207 results about "Hydraulic test" patented technology

The invention relates to the technical field of hydraulic test of nickel alloy pipes, and discloses a hydraulic test system for a thin-wall nickel alloy pipe. According to the system, in the axial loading state of the thin-wall nickel alloy pipe, a closed water pressure cavity is established through an annular sealing clamp, and then strain distribution data on the surface of the pipe body is collected through a distributed optical fiber sensor array. And constructing a three-dimensional stress field reconstruction model based on the acquired strain distribution data, calculating an equivalent plastic deformation threshold value of the pipe body under different water pressure gradients, adjusting a water pressure loading curve slope parameter according to the equivalent plastic deformation threshold value, and generating a dynamic water pressure loading instruction. And the high-frequency pressure pulse generator executes the instruction, synchronously triggers the X-ray diffractometer to collect lattice distortion data of the tube body, inputs the data into the material microscopic damage evolution model, and outputs a microscopic defect spatial distribution map. And finally, material constitutive parameters of the three-dimensional stress field reconstruction model are corrected based on the atlas, closed-loop feedback control is formed, and multi-dimensional data acquisition and accurate management and control of the thin-wall nickel alloy pipe hydrostatic test are achieved.

The invention discloses a system and method for testing flow, displacement and hydraulic power of a main valve element. The system comprises two displacement sensors, a tested balance valve and a hydraulic testing assembly. A main valve core and a pilot valve core of the tested balance valve are coaxially and oppositely arranged; the two displacement sensors are coaxially fixed with the main valve core and the control piston respectively; the hydraulic test assembly detects the pressure of an oil return port A, a load oil port B, a feedback spring cavity pressure measuring port Pc and a pilot oil inlet X through pressure sensors; the load pressure, the pilot pressure and the oil return back pressure are controlled through a main load oil way, a pilot control oil way and an oil return back pressure oil way respectively, and meanwhile the flow of the oil return is measured through a flow meter. According to the invention, the flow, displacement and hydraulic force of the main valve core under different working conditions can be synchronously and dynamically measured.

The invention belongs to the technical field of hydraulic test and intelligent control, and particularly discloses a hydraulic component test system integrating data acquisition and automatic data analysis functions, which comprises a physical hardware test platform, a test control software platform and a digital twinborn model of a tested component, and realizes real-time interaction through an OPC UA protocol. Model parameters are corrected on line by means of measured data, and steady state, transient state and disturbance working condition tests are automatically executed based on a working condition library; and dynamically optimizing a test sequence in a test process, skipping a redundant working condition or encrypting a critical region, and synchronously generating a structured performance report. The accuracy and consistency of test results are improved, working condition simulation signals are automatically generated, performance data are collected in real time, a comprehensive performance report is generated, manual operation is reduced, the test process optimization unit can skip redundant working conditions and refine failure boundary positioning, and the test time and cost are effectively saved.

The invention relates to the technical field of hydraulic control one-way valve testing, and discloses a hydraulic control one-way valve testing method which is used for solving the problem that the real performance of a hydraulic control one-way valve under actual complex working conditions is difficult to comprehensively reflect due to the fact that an existing testing method is single in working condition, insufficient in data acquisition dimension and lack of dynamic modeling capacity. A programmable working condition loading module is introduced, a hydraulic test environment with dynamic characteristics is constructed according to a pressure and flow change curve in practical application, and high-precision and multi-dimensional synchronous acquisition of the whole opening and closing process of the hydraulic control one-way valve is realized by combining a high-frequency displacement sensor, a micro-flow sensor and a vibration sensing unit; according to the scheme, the defect that a traditional testing method is difficult to restore the real dynamic working condition is effectively overcome, the authenticity of valve performance testing and the detail integrity of response data are remarkably improved, and powerful support is provided for accurately evaluating the dynamic behavior of the hydraulic control one-way valve under the complex working condition.

The utility model discloses a drill rod drainage device for a hydraulic test, which comprises a valve body, one end of the valve body is connected with a drill rod, the other end of the valve body is connected with a hydraulic test device, the valve body is provided with a central through hole along the axial direction of the drill rod, and the valve body is also provided with a drainage hole communicated with the central through hole; when a hydraulic test is carried out, the leakage preventing piston is clamped in the center through hole of the valve body to prevent water in the drill rod from flowing out of the water drainage hole, a center water path with one end communicated with the drill rod and the other end communicated with the hydraulic test device is further arranged on the leakage preventing piston, and the water in the drill rod flows into the hydraulic test device from the center water path during the hydraulic test; and after the hydraulic test is finished, the leakage preventing piston is pulled out, and water in the drill rod flows into the drill hole from the central through hole and the drainage hole. According to the utility model, the purpose of quick drainage and pressure relief after the deep drilling hydraulic test is completed can be achieved, and the difficulty and risk of drill lifting are reduced.

The invention discloses a modularized hydraulic system testing system and method, and relates to the technical field of hydraulic testing, and the method comprises the following steps: S1, collecting outlet pulsating pressure signals of a high-pressure plunger pump and a low-pressure vane pump by adopting a nanosecond-level synchronous time mark system, generating a phase residual error map, and calculating a phase residual error map of the outlet pulsating pressure signals of the high-pressure plunger pump and the low-pressure vane pump; the hidden resonance risk is preliminarily judged through frequency drift and amplitude gradient calculation; and S2, on the basis of the synchronous acquisition base line, carrying out cross spectrum coherence degree calculation and phase difference time sequence analysis on the pulsating pressure sequence, identifying a frequency dislocation anchor point, generating a pump source pulsating interference fingerprint, and determining a time window of recessive resonance. According to the method, real-time identification, dynamic intervention and closed-loop control of recessive resonance in the hydraulic system are realized through nanosecond-level synchronous acquisition, phase conjugate inversion and frequency dislocation traction strategies, energy coupling caused by frequency dislocation is effectively avoided, the operation stability and safety of the system are improved, and the service life of equipment is prolonged.

The invention relates to the technical field of nickel alloy pipe water pressure detection, and discloses a thin-wall nickel alloy pipe inner wall water pressure test detection system and method. The method comprises the steps that a closed water pressure environment is established in a pipe, a preset pressure gradient is applied, and pipe wall deformation response data are collected through a distributed sensing array; and generating a composite feature matrix containing axial strain, circumferential stress and radial displacement features through multi-dimensional feature extraction, inputting the composite feature matrix into a material performance degradation evaluation model, and simulating microstructure change to output a potential defect distribution map. Dynamically adjusting the water pressure gradient and the pressure maintaining time according to the map, executing a secondary water pressure test, and capturing a microscopic deformation sequence image through high-frequency imaging; comparing the image with a model prediction result identification deviation value, and iteratively updating a model parameter to optimize a detection threshold value; the test is completed by optimizing the threshold value, qualified pipe section marks and defective pipe section positioning coordinates are output, and the comprehensiveness and accuracy of thin-wall nickel alloy pipe inner wall defect detection are improved.

The invention discloses a fractured rock mass hydraulic pressure test and array electrode monitoring and detecting device and a using method, and relates to the technical field of hydraulic engineering geological investigation, the fractured rock mass hydraulic pressure test and array electrode monitoring and detecting device comprises an upper plug and a lower plug arranged below the upper plug, a floral tube is fixedly arranged between the lower plug and the upper plug, and a water pump pipe is arranged on the upper plug; the upper plug and the lower plug are both sleeved with sealing air bags, an air pumping assembly is arranged above the upper plug, the portion, above the lower plug, of the floral tube is sleeved with an air guide ring, an electromagnetic valve is arranged between the air guide ring and the air conveying pipe, and a pneumatic telescopic assembly is arranged at the air outlet end of the air guide ring. A conductive wire is wound on the outer side of the floral tube, a waterproof sealing cylinder is arranged on the conductive wire, an electrode bar is arranged in the waterproof sealing cylinder, and a waterproof sealing assembly is arranged on the side, away from the floral tube, of the waterproof sealing cylinder. And the spatial distribution of the pressurized water area fracture system is inverted.

The invention relates to a semi-closed performance test system for a hydraulic turbine pump of a liquid rocket engine. A turbine inlet of the hydraulic turbine pump is connected with an outlet of a centrifugal pump through a turbine inlet pipeline, and an inlet of the centrifugal pump is communicated with a water pool; a pump inlet of the hydraulic turbine pump is connected with an outlet of the water container through a pump inlet pipeline, and a pump outlet of the hydraulic turbine pump is connected with a liquid inlet of the water container through a pump outlet pipeline; the gas distribution table is connected with a gas inlet of the water container through a gas distribution pipeline; a liquid discharge port of the water container is connected with a discharge pipeline; the discharge pipeline, the pump outlet pipeline, the pump inlet pipeline and the turbine inlet pipeline are each provided with a flowmeter, a stop valve and an adjusting valve. And pressure sensors are arranged at a turbine inlet, a pump inlet and a pump outlet of the hydraulic turbine pump. The device has the capabilities of conveying a high-pressure water medium of a liquid flow test system, testing the performance of a hydraulic test system, maintaining the liquid level of a discharge system to be constant and the like, so that the overall performance test requirement of the hydraulic turbine pump can be met.

The invention belongs to the technical field of slide valve pair zero-zone micro-scale static characteristic testing, and provides a slide valve pair zero-zone micro-scale static characteristic high-precision test bed and a test method.The slide valve pair zero-zone micro-scale static characteristic high-precision test bed comprises an ultra-precision slide valve pair mounting table and a slide valve pair static characteristic hydraulic testing system; by selecting a control element and a detection element which can measure and control the flow, the pressure and the temperature in a high-precision and precise manner, and combining an innovatively developed test subprogram, an intelligent data processing algorithm and a test model machine learning algorithm, the measurement precision, the test result confidence coefficient and the measurement efficiency are improved; according to the test bed, based on a hydraulic test system for the micro-scale static characteristics of the zero region of the slide valve pair, a control element and a detection element which can measure and control the flow, the pressure and the temperature in a high-precision and accurate manner are carefully selected, and the micro-scale static characteristic measurement under different flow, pressure and temperature of the zero region of the slide valve pair can be comprehensively and accurately simulated.

The invention discloses a high-flow hydraulic system, which relates to the technical field of hydraulic test systems and comprises a hydraulic oil tank, a water cooling system, a high-pressure oil source pump group, a pressure control valve group, a high-pressure energy accumulator group and a converging valve group, the high-pressure energy accumulator set comprises a plurality of energy accumulator units, and each energy accumulator unit comprises a leather bag type energy accumulator. The output end of the leather bag type energy accumulator is communicated with the energy accumulator stop valve through a pipeline; the traditional flow limitation is broken through through the cooperative energy supply mechanism of the high-pressure energy accumulator set and the multiple pump sets, and under the steady-state working condition, the high-pressure oil source pump set maintains basic flow output; when the detection system triggers the large-flow requirement, the confluence valve group starts the electromagnetic valve group to achieve synchronous energy supply of the energy accumulator group and superposition of output of the pump group to form larger instantaneous flow, and the design enables the system to continuously execute short-time large-flow hydraulic pulse test and meet the large-flow hydraulic test requirement.

The invention relates to the technical field of hydropower station pressure steel pipe detection, in particular to a hydropower station steel branch pipe differential graded loading and unloading hydrostatic test method, system and equipment and a storage medium. The hydraulic test process is scientifically divided into a low-pressure stage, a medium-pressure stage and a high-pressure stage, differentiated boosting amplitude and speed control strategies are adopted in the different stages, the technical limitation of a traditional uniform graded boosting method is broken through, and an innovative control mode of low-pressure fast rising and high-pressure slow rising is achieved. The large boosting amplitude and the high boosting speed are adopted in the low-pressure stage, the bearing allowance of the steel branch pipe in the elastic deformation stage is fully utilized, and the test efficiency is remarkably improved; and in the high-pressure stage, the small pressure increasing amplitude and the slow pressure increasing speed are adopted, the sensitive characteristic when the steel is close to the yield strength is effectively adapted, and the local stress concentration and plastic deformation risks are avoided.

The invention discloses a digital twinborn body and a digital twinborn method for a hydraulic test system of a turbine pump of a liquid rocket engine, and solves the technical problem of high production and test resource consumption caused by research and development of engine products. The basic architecture of the digital twinning body comprises a digital twinning engine, a physical entity and a digital virtual body, and dynamic unification of digital virtual body prediction performance and object actual measurement performance is realized through virtual-real interaction and model training and optimization; finally, the display effect that a digital virtual body completely replaces a liquid rocket engine turbine pump hydraulic test system entity can be achieved, and the contradiction between increasing turbine pump hydraulic test tasks and limited physical test resources is greatly relieved.

The utility model relates to the technical field of nuclear power stations, and provides a heating assembly and a heating system for a hydraulic test of a nuclear power station. The heating assembly comprises a flexible heating body, a protective layer and a heat preservation layer, wherein the protective layer and the heat preservation layer are arranged on the two opposite sides of the flexible heating body respectively. The heating system for the hydraulic pressure test of the nuclear power station comprises a nuclear reaction device and a heating assembly, and the heating assembly is configured to be attached to the outer surface of the nuclear reaction device. The heating assembly is directly attached to the metal outer surface of the nuclear reaction device, the metal is directly heated in a heat conduction mode and can be electrified at any time, and the heating period is effectively shortened; the flexible heating body can be tightly attached to the outer surface of the nuclear reaction device, so that the contact area can be increased, and the heat loss during heating can be reduced; the protective layer can improve the pulling resistance of the whole heating assembly and reduce contact abrasion; the heat preservation layer can reduce loss of heat generated by the flexible heating body to the air, and the heating efficiency is improved.

The invention provides a medium isolation type pressure conversion device. The medium isolation type pressure conversion device comprises a first sealing flange and a second sealing flange which are oppositely arranged; two ends of the limiting rod are fixedly connected with axial end surfaces of the two sealing flanges; the metal isolation flange is arranged between the two sealing flanges and is in sliding connection with the limiting rod; the first corrugated pipe mechanism is connected with the first sealing flange and the isolation flange to form a first medium space; the second corrugated pipe mechanism is connected with the isolation flange and the second sealing flange to form a second medium space; a pressure receiving end for transmitting a first medium is arranged outside the first sealing flange; the outer side of the second sealing flange is provided with a liquid supplementing port for supplementing the second medium, and the pressure output end outputs pressure to the to-be-tested piece. Pressure source equipment drives the first corrugated pipe to axially extend to push the isolation flange to move, the limiting rod restrains the total length to force the second corrugated pipe to be shortened, static sealing isolation type conversion of two pressure media is achieved, and the problem that in a hydraulic test, the pressure media of the pressure source equipment are not compatible with the pressure media of a to-be-tested piece is solved.

The utility model discloses an ignition oil pipe hydraulic testing device which comprises a manual hydraulic pump, a compound connector and a hydraulic pressure gauge, the compound connector is respectively connected with the manual hydraulic pump, the hydraulic pressure gauge and a high-pressure oil pipe to be tested, and the two ends of the high-pressure oil pipe to be tested are respectively and fixedly connected with a combined connector. According to the utility model, the connection relationship among the test equipment is simplified through the compound connector with a plurality of connecting ends, the connection relationship among the equipment is further optimized by cooperating with the combined connector, the operation is simple, and the later maintenance management is facilitated.

The utility model discloses a special water pressure test blocking plate for a steel skeleton composite pipe, which comprises a steel skeleton composite pipe body with a pipe wall thickening section at the end part, and a blocking plate for blocking the end part of the steel skeleton composite pipe body is arranged at the end part, close to the thickening section, of the steel skeleton composite pipe body. The peripheral face of the steel skeleton composite pipe body is sleeved with a locking sleeve piece making contact with the thickening section, and the locking sleeve piece and the blocking plate are connected through a plurality of fastening sleeve pieces. The tool is simple in structure, fast to manufacture and convenient to use, the tool can be recycled, the blocking plate can be fixed to the end of the steel skeleton composite pipe body through mutual matching of the locking sleeve piece and the fastening sleeve piece, and meanwhile follow-up replacement of the blocking plate is facilitated.

The invention provides a pump valve shaft seal water hydraulic pressure test detection device which comprises a box body, a partition plate is fixed in the box body, an opening is formed in the partition plate, a movable plate is movably installed in the opening, a displacement mechanism and a positioning column are fixed to the movable plate, a positioning pipe is movably installed at one end of the positioning column, and the other end of the positioning pipe is provided with a clamping groove. The positioning pipe and the displacement mechanism are both fixed to the side of the box body, a pushing mechanism is fixedly installed on the side of the box body, fixing assemblies are installed on the pushing mechanism, a valve body is movably installed between the fixing assemblies, a cavity is formed in the box body, and the valve body is movably installed in the cavity. During use, before the pump body is installed, the ring seat drives the fixed pipe to move, the fixed pipe provides a required space for installation of the valve body after moving, the ring seat and the fixed pipe enter one end of the valve body in the later period, the valve body is limited and supported through the fixed pipe, and the movable seat moves in the later period to extrude and fix the valve body between the fixed seats; and air enters the fixed pipe at the later stage, and the elastic seat deforms to be in contact with the valve body for sealing during air intake.

1. The name of the design product: hydraulic comprehensive test bench. 2. The use of the design product: the design product is used for the hydraulic circuit lapping of pump body and valve body and hydraulic test. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view.

The utility model relates to the technical field of back walls, in particular to an underlying turnover type pipeline hydraulic pressure test back wall which comprises a steel plate box, the steel plate box is arranged on the ground, the top end of the steel plate box is open, a weight reduction groove is formed in the middle of the steel plate box, I-shaped steel is connected into the weight reduction groove, and the I-shaped steel is connected with the top end of the steel plate box. The steel plate box is filled with concrete, the surface of the steel plate box is provided with an auxiliary pushing side wall and an auxiliary supporting side wall, the auxiliary pushing side wall and the auxiliary supporting side wall are oppositely arranged, the auxiliary pushing side wall is connected with a plurality of auxiliary pushing pieces used for abutting against a pipeline, and a plurality of auxiliary supporting pieces used for supporting the steel plate box are arranged between the auxiliary supporting side wall and the ground. The utility model has the effect of reducing the cost consumption of the pipeline hydrostatic test.

The invention relates to the technical field of hydraulic sealing, in particular to an O-shaped ring service life prediction method suitable for an extremely low temperature environment, and the method comprises the steps: carrying out the uniaxial tensile test of an O-shaped ring material in the extremely low temperature environment, and obtaining a stress-strain curve; establishing an O-shaped ring sealing structure model, and simulating and analyzing the mechanical properties of the O-shaped ring at extremely low temperature to obtain the relationship between the maximum contact stress and the compression ratio of the sealing surface of the O-shaped ring; and a dynamic seal friction wear hydraulic test bed is built, and the relation between the quality of the O-shaped ring and time is obtained. And based on a maximum contact stress criterion, coupling simulation and friction wear test results, and obtaining a life prediction result of the O-shaped ring. The method comprehensively considers the influence of temperature, pressure and medium on the O-shaped ring in the extremely low temperature environment, effectively improves the problem that the existing life prediction method cannot accurately reflect the failure mode of the O-shaped ring material under the extremely low temperature condition, and improves the accuracy of life prediction.

The application discloses a kind of main valve core flow, displacement, hydraulic force test system and test method, comprising: two displacement sensors, the balanced valve to be measured, hydraulic test component;The main valve core of the balanced valve to be measured and the pilot valve core are coaxially arranged oppositely;Two displacement sensors are respectively fixed with main valve core, control piston coaxially;Hydraulic test component detects the pressure of return oil outlet A, load oil port B, feedback spring cavity pressure measuring port Pc, pilot oil inlet X by each pressure sensor;And by main load, pilot control, three oil circuits of return oil back pressure, load pressure, pilot pressure and return oil back pressure are controlled respectively, while return oil flow is measured by flowmeter simultaneously.The application can synchronously dynamically measure the flow, displacement and hydraulic force of main valve core under different working conditions.

The invention discloses a rotary joint hydraulic test system and a control method, and the control method comprises the steps: connecting a first hydraulic joint and a second hydraulic joint on a tested piece through a hydraulic test system, and supplying high hydraulic pressure and low hydraulic pressure to the first hydraulic joint and the second hydraulic joint respectively; then the first hydraulic connector and the second hydraulic connector are driven to rotate to one end value in a rated angle range at a low speed through a hydraulic driving system, the pressure is relieved to zero after the hydraulic values are maintained, and then the supplied hydraulic values of the first hydraulic connector and the second hydraulic connector are alternated; the first hydraulic connector and the second hydraulic connector are driven to rotate to the other end value of the rated angle range, a complete hydraulic test cycle is formed, durability tests of the first hydraulic connector and the second hydraulic connector are achieved through multiple cycles, optimization of sealing type selection of the rotating connector is facilitated, and reliability of the rotating connector is improved.

The utility model relates to a hydraulic test tool which comprises an adapter base, an inlet connector, an expansion assembly, an outlet assembly, a pressure sensor and a pressure relief assembly, a hydraulic oil cavity is formed in the adapter base, the two ends of the hydraulic oil cavity penetrate through the adapter base so that two adapter ports can be formed in the adapter base, and an outlet connector is formed in the adapter base; the outlet interface is communicated with the hydraulic oil cavity; the inlet joint is arranged on one of the switching ports; the expansion assembly comprises a screw plug and an inlet connector, and the screw plug and the inlet connector are selectively connected to the other switching port in a screwed mode. The outlet assembly comprises an outlet connector, and the outlet connector is installed on the outlet connector. The pressure sensor is installed on the adapter base and used for measuring the pressure in the hydraulic oil cavity. The pressure relief assembly is installed on the adapter base and communicated with the hydraulic oil cavity. According to the invention, the problem that a single oil inlet does not have the capability of increasing the pressure increasing speed due to the fact that the pressure increasing speed of a single oil inlet mode is low and the working efficiency is influenced in the related technology can be solved.

The invention relates to the technical field of carrier rocket storage tanks, and discloses a carrier rocket storage tank liquid nitrogen hydraulic test system which comprises a common-bottom storage tank, an upper tank nitrogen pipeline, a lower tank nitrogen pipeline, an upper tank liquid nitrogen pipeline, a lower tank liquid nitrogen pipeline, an upper tank pressure difference pipeline, a lower tank pressure difference pipeline, a nitrogen cylinder group, a liquid nitrogen tank car and an automatic pressure relief pipeline. The pressure of the upper box and the lower box of the common-bottom storage box can be accurately controlled and dynamically adjusted, pressure difference control and redundancy safety measures are taken, the common-bottom storage box is mainly composed of the upper box, the lower box, a tunnel pipe, a common bottom and the like, an upper corrugated pipe is fixedly connected to the upper portion of the upper box, and the technical blank of automatic tests in the field is filled. The system can normally work at an extremely low temperature (liquid nitrogen-196 DEG C), accurately measures the hydraulic performance of the storage tank in a liquid nitrogen medium, provides powerful technical support for development of rocket storage tanks, has the advantages of simple structure, convenience in operation and accurate measurement, and can be widely applied to hydraulic tests of carrier rocket storage tanks.

1. Name of the product in this design: Hydraulic test bench computer control cabinet. 2. Purpose of this design: For precise, automated, and safe control of the testing process on a hydraulic testing bench. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model discloses an assembly type hydraulic characteristic test bench, which comprises an experiment box, an experiment pedestal and an electric lifting mechanism, the inner top of the experiment pedestal is provided with a plurality of groups of placing clamping grooves, the inner bottoms of the plurality of groups of placing clamping grooves are in sliding clamping connection with support top plates, the bottom ends of the support top plates are symmetrically connected with extrusion push rods, and the extrusion push rods are in sliding clamping connection with the support top plates. The outer side of the extrusion push rod is sleeved with a spring, the bottom extending end of the extrusion push rod is connected with a sensing sliding block, a pressure sensing detection table is installed at the inner bottom of the experiment table base, a plurality of sets of sensing empty grooves are evenly formed in the pressure sensing detection table, and a hydraulic guide pressure box is arranged in the experiment box; the beneficial effects of the utility model are that through the integrated extrusion impact compression resistance test and the integrated multi-group compression liquid injection hydraulic test structure, the detection cost is reduced, the detection diversity is improved, the manual operation is reduced, and the use convenience and the test efficiency are improved.

The invention relates to a device (1) for simulating at least one fuel cell system in a hydraulic test bench. The device according to the invention is characterized by at least one throttle (8, 9) that can be controlled via a controller (10), wherein the controller (10) is configured to simulate a pressure loss profile of the at least one fuel cell system via the throttle (8, 9).

The invention relates to the technical field of hydraulic test equipment, in particular to a pump valve integrated reliability comprehensive test system, and aims to solve the problems that existing pump valve test equipment is single in stress simulation and cannot cooperatively apply working stress and environmental stress. The system comprises an environment simulation unit, a pump valve tested piece, a working fluid loop, a flexible connection mechanism and an integrated intelligent console. The environment simulation unit comprises a three-comprehensive test box and a vibration table, and the three-comprehensive test box is arranged on the vibration table; a pump valve tested piece is arranged in the three-comprehensive test box; the working fluid loop is arranged outside the test box and comprises a circulating water pump and a pressure tank; the flexible connecting mechanism penetrates through the wall of the test box to communicate the external working fluid loop with the internal pump valve tested piece; the integrated intelligent console cooperatively controls the vibration table, the three comprehensive test boxes and the working fluid loop, so that multiple composite stresses such as vibration, temperature and humidity, flow and pressure are simultaneously applied to the tested pump valve piece.

The utility model relates to an explosion-proof motor shell hydraulic pressure test device, and belongs to the technical field of explosion-proof motor production, the explosion-proof motor shell hydraulic pressure test device comprises a base, an upper sealing gasket, a lower sealing gasket and a hydraulic mechanism arranged on the base, the surface of the upper sealing gasket is provided with a water inlet hole, the output end of the hydraulic mechanism is fixedly provided with a pressing block, and the pressing block is provided with a water inlet pipe; the water inlet pipe is communicated with the water inlet hole and externally connected with a pressure system, the surface of the base is concavely provided with a water storage tank, the water storage tank is externally connected with a drainage pipe, sliding rails are symmetrically fixed to the base, supporting tables are symmetrically and slidably connected to the sliding rails, and lower sealing gaskets are arranged on the surfaces of the supporting tables. According to the device, two supporting tables are arranged, when one supporting table moves to the bottom of the hydraulic mechanism for testing, the other supporting table can conduct feeding and discharging actions of a motor shell, the two supporting tables conduct testing alternately, feeding and discharging can be conducted on the other supporting table in the testing process of one motor shell, and therefore uninterrupted testing is achieved; and the test efficiency is improved.