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62 results about "Burst test" patented technology
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A burst test is a destructive test and performed to determine the pressure overload capacity of pressure containing parts. The tests are performed with a fluid. This test is often performed as a pre-production test to meet safety and quality standards.
hydrostatic testing machine
1. Name of the product in this design: Hydrostatic Testing Machine. 2. Application of this design: For long-term internal pressure resistance tests or instantaneous burst tests on pipes or fittings within a certain pressure range. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.
Owner:承德市金建检测仪器有限公司
Burst test chamber for high pressure boiler tubes
Owner:BHARAT HEAVY ELECTRICALS LIMITED
Automatic loading device for bursting test
The invention discloses an automatic loading device for a bursting test. The automatic feeding device for the bursting test comprises a rack, a test bearing plate, a protection box, a jacking driver, a truss and a grabbing device, the connecting end of the test bearing plate is rotationally installed on the rack, the jacking driver is installed on the rack, the protection box is arranged on the rack and covers the test bearing plate, and the grabbing device is arranged on the rack and covers the test bearing plate. A front box door and a top box door are arranged on the protection box, the front box door and the connecting end of the test bearing plate are located on the same side of the protection box, the bottom face of the front box door is lower than the top face of the test bearing plate, and the grabbing device is installed on the truss. According to the automatic feeding device for the blasting test, the steel ring and the rock model can be automatically placed on the test bearing plate, and meanwhile the rock model is drilled.
Owner:KUNMING UNIV OF SCI & TECH
Low-cost ultrahigh-pressure electromagnetic valve bursting test device driven by oil bag
The invention relates to an oil bag driven low-cost ultrahigh-pressure electromagnetic valve bursting test device which comprises a sealing pipe, a working cavity is formed in the sealing pipe, an expandable oil bag is arranged in the working cavity, and the inner space of the oil bag is isolated from the working cavity; the oil bag is communicated with an external pressurization system so as to swell under the pressurization effect of the pressurization system; the expandable oil bag is arranged in the working cavity of the sealing pipe, hydraulic oil is injected into the oil bag through the pressurization system, the oil bag is expanded, the volume of the working cavity is compressed, and therefore liquid which does not pollute equipment to be tested in the working cavity is pressed into the ultrahigh-pressure electromagnetic valve, and the bursting test on the high-pressure electromagnetic valve is achieved; compared with an existing scheme that hydraulic oil is directly used as a medium, pollution of the hydraulic oil to the interior of the electromagnetic valve can be effectively avoided, complex cleaning is not needed after the test, and the test cost and the operation difficulty are reduced.
Owner:浣江实验室
Fire-fighting gas cylinder bursting test device
The utility model relates to the technical field of gas cylinder performance detection, in particular to a fire-fighting gas cylinder bursting test device which comprises a shell, a sealing door is arranged on the front face of the shell, an observation window is arranged on the front face of the sealing door, a plurality of connecting holes and a fixing mechanism are arranged on the upper surface of the shell, and the fixing mechanism comprises a fixing assembly and a telescopic assembly. The fixing assembly comprises a moving seat connected into the shell in a sliding mode, a groove is formed in the upper surface of the moving seat, and limiting sliding grooves are formed in the side walls of the two sides of the shell. According to the utility model, through the arrangement of the fixing assembly, the gas cylinder to be tested can be conveniently fixed, so that a tester can enter a formal test process more quickly, the overall test efficiency is improved, and through the arrangement of the telescopic assembly, the test can be carried out in a relatively closed environment, so that the safety of the test can be improved; and a guarantee is provided for the safety of workers.
Owner:SHANDONG TAIJING BUILDING SAFETY TECH CO LTD
Condenser pipe pressure blasting test bench and method based on heat exchanger production
The invention relates to the technical field of condenser pipe pressure-resistant test equipment, and particularly discloses a condenser pipe pressure-resistant blasting test bed and method based on heat exchanger production, and the test bed comprises a first partition plate and a second partition plate which are fixedly arranged on the inner side wall of the test bed and are arranged in parallel up and down; the top of the first partition plate is provided with a test mechanism which extends to the top of the second partition plate and is arranged in a rectangular array, the outer wall of the test bench is provided with a cooling mechanism, and the test mechanism comprises a pressing mechanism which is arranged at the top of the second partition plate. And the end parts of the condensation pipes with different pipe diameters can be blocked, so that the stability of a subsequent pressure-resistant bursting test is improved, and the pressure sensor can enter different positions in the condensation pipe, so that whether the test of the condensation pipe is qualified or not can be mastered actually, and the practical test is convenient to use.
Owner:MODIN PUXIN THERMAL TECH (JIANGSU) CO LTD
Fire-fighting gas cylinder bursting test device
The utility model discloses a fire-fighting gas cylinder bursting test device which comprises a water pressure testing machine body, a movable opening and closing door is fixedly installed on the inclined face of the water pressure testing machine body, a gas cylinder frame is fixedly installed in a bursting chamber of the water pressure testing machine body, and supporting feet are fixedly installed at the four corners of the lower surface of the water pressure testing machine body. An access door is fixedly installed on the front surface of the hydrostatic testing machine body, and the movable opening and closing door comprises a guide rail plate frame, a first isolation net, a movable plate, a second isolation net, a gear and an electric motor. According to the fire-fighting gas cylinder bursting test device, the fire-fighting gas cylinder bursting test device can be automatically opened and closed through the movable opening and closing door, manual opening is not needed, a user does not need to worry that a cover plate hits hands due to instability of the support, and fire-fighting gas cylinders of different lengths and thicknesses can be automatically and firmly clamped through the gas cylinder frame; therefore, the fire-fighting gas cylinder is more convenient and labor-saving to disassemble and assemble, and the operation mode of installing the fire-fighting gas cylinder is simpler.
Owner:SHAOXING JIADUN FIRE EQUIP CO LTD
Hydrostatic pressure burst test bench
1. Name of the product in this design: Hydrostatic Pressure Burst Test Stand. 2. Purpose of this design: To simulate the static high-pressure environment that the product may withstand in actual operation, and to verify whether it meets design standards, industry specifications or safety requirements by gradually applying pressure and monitoring data. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The bottom surface of this product is a part that is not easily seen or cannot be seen during use, so the bottom view is omitted.
Owner:OUXUN INTELLIGENT TECHNOLOGY (TAIZHOU) CO LTD
Water pressure bursting test device for fire hose
The utility model discloses a fire hose water pressure bursting test device, which comprises a box body, a pressurization system, a test mechanism, a recovery mechanism and a control cabinet, the box body is provided with a platform, a funnel and a platform I, and the test mechanism is provided with an adjustable mechanism; the adjustable mechanism comprises two guide rails and two sliding seats, and the testing mechanism comprises two testing assemblies. According to the utility model, the pressurization system composed of the circulating motor and the booster pump is used for pressurization supply of water pressure, and the two test assemblies are combined to realize synchronous and rapid pressurization water injection, so that the pressurization effect and efficiency are improved, the pressure maintaining effect is ensured, and the test effect is improved; the funnel is used for guiding flow, and the recycling mechanism is used for testing collection of water after burst, so that waste of water resources is reduced, the recycled water is recycled for testing, and the testing cost is reduced.
Owner:DONGGUAN KEXIANG EXPERIMENTAL EQUIP
Pressure bursting testing device for filtering assembly
ActiveCN223742197UMaterial strength using tensile/compressive forcesWater flowMechanical engineering
The utility model relates to the technical field of testing devices, and discloses a filtering assembly pressure bursting testing device which comprises a water inlet pipeline, a pressure applying air cylinder and a pressure detector, the water inlet pipeline is used for conveying water to a filtering assembly, the pressure applying air cylinder is provided with a detection column, the detection column is provided with a connecting pipeline, the connecting pipeline is connected with the pressure detector, and the pressure detector is connected with the pressure detector. The water inlet pipeline, the pressure applying air cylinder and the pressure detector are all arranged on the base, a water retaining ring is arranged on the base, and the connecting pipeline is located in the water retaining ring. The water retaining ring is arranged on the connecting pipeline, so that water in the connecting pipeline can spread in the water retaining ring, the water retaining ring limits the water, the water is prevented from flowing to the outside, a worker can conveniently wipe the water, and the cleaning difficulty of the worker is reduced.
Owner:WENZHOU HUIRUN ELECTROMECHANICAL CO LTD
Pipe bursting test sealing device with variable pipe diameter
The invention relates to a pipeline pressure testing technology, and aims to provide a pipe-diameter-variable pipeline bursting test sealing device. The device comprises sealing structures installed at the two ends of a to-be-detected pipeline respectively, and each sealing structure comprises a nested fixing assembly and a composite sealing structure. The nested mounting assembly comprises an end cover, a reducing ring and a plug, the composite sealing structure comprises an elastic sealing ring and a deformable conical surface annular ring which are arranged on the plug in a sleeving mode. The conical surface annular ring is adaptively embedded in the wedge-shaped space, and the annular conical surface of the conical surface annular ring is attached to the conical surface transition between the two steps; the elastic sealing ring is located on the outer side of the conical surface annular ring and connected with the inner cavity space of the to-be-detected pipeline. According to the invention, frequent replacement of a loading piece of a testing machine according to the change of the size of the to-be-tested pipeline in a traditional testing scheme can be avoided; by means of the mechanical sealing joint instead of a welding structure, the sealing performance can be greatly improved, and more reliable self-tightening sealing under high pressure is achieved.
Owner:ZHEJIANG UNIV
Rupture test method, system and device for rupture disk in hydrogen environment
The invention discloses a rupture test method, system and device for a rupture disk in a hydrogen environment, and relates to the technical field of material physical property test.The method comprises the steps that sweeping and blowing gas is introduced into a controlled test pipeline, and when monitoring data is lower than a threshold value, hydrogen is introduced into the controlled test pipeline; controlling the temperature of the test cavity to reach a preset temperature value and pressurizing the hydrogen to a preset target pressure value; the hydrogen pressure is obtained in real time; the pressure rise rate is controlled through a preset compound control algorithm; hydrogen concentration data are obtained in real time, and pressure change characteristics are analyzed; and when the hydrogen concentration data exceeds a threshold value or the pressure change characteristic conforms to the blasting judgment characteristic, a safety interlocking instruction is executed. According to the invention, through graded pressurization and pressurization rate closed-loop control, the problems that the blasting performance test cannot be carried out in a hydrogen environment and the hydrogen blasting performance of the rupture disk cannot be accurately tested and evaluated in the prior art are solved, and the blasting performance test and evaluation of the hydrogen blasting disk in a simulated real environment are realized.
Owner:CHINA SPECIAL EQUIP INSPECTION & RES INST
Method for predicting service life of glass reinforced plastic pipe under stress action
PendingCN121720848AMaterial strength using tensile/compressive forcesMaterial strength using steady bending forcesGlass fiberBursting strength
The invention relates to a method for predicting the service life of a glass reinforced plastic pipe under the stress action. The method comprises the following specific steps: performing a hydrostatic test on a to-be-tested glass reinforced plastic pipe under the stress action; performing a hydraulic bursting test on the glass fiber reinforced plastic pipe subjected to the hydrostatic test; fitting the data of the hydrostatic pressure time and the bursting strength value, taking the logarithm value of the hydrostatic pressure time as an abscissa and the logarithm value of the bursting strength as an ordinate, performing numerical fitting by utilizing a linear regression method to obtain a fitting equation lnP = a * lnt + b of the hydrostatic pressure time and the bursting strength value, and calculating the service life of the glass fiber reinforced plastic pipe. The invention provides a novel glass reinforced plastic pipe service life prediction method based on stress action, overcomes the defects of the existing service life prediction technology of a glass reinforced plastic pipe for gathering and transportation in an oil and gas field, and can predict the service life of the glass reinforced plastic pipe under the combined action of four influence factors, namely pipe characteristics, a conveying medium, environmental factors and a stress state. The method is short in test period, convenient to implement and high in prediction reliability.
Owner:CHINA NAT PETROLEUM CORP +1
A method, system and device for testing rupture discs in a hydrogen environment
The application discloses a kind of hydrogen environment under rupture disc burst test method, system and device, it is related to material physical property testing technical field, the method includes: to the controlled test pipeline is admitted to sweep and blow gas, when monitoring data is lower than threshold value, to the controlled test pipeline is admitted to hydrogen;Control the temperature of test cavity reaches preset temperature value and pressurize hydrogen to preset target pressure value;Real-time acquisition hydrogen pressure;Pressure rising rate is controlled by preset composite control algorithm;Real-time acquisition hydrogen concentration data, analyze pressure variation characteristics;When hydrogen concentration data exceeds threshold value, or when pressure variation characteristics meet burst judgment characteristics, execute safety interlock instruction.The application solves the problem that the prior art cannot carry out burst performance test under hydrogen environment by staged pressurization and pressure rising rate closed-loop control, and simultaneously cannot accurately test and evaluate the hydrogen blast performance of rupture disc, realizes the burst performance test and evaluation of hydrogen rupture disc in simulated real environment.
Owner:CHINA SPECIAL EQUIP INSPECTION & RES INST
Fluororubber sealing material as well as synthesis process and application thereof
The invention discloses a fluororubber sealing material and a synthesis process and application thereof, and belongs to the technical field of sealing materials, the fluororubber sealing material comprises the following components by weight: 100 parts of fluororubber, 5-30 parts of a filler, 1.0-1.8 parts of a vulcanizing agent, 0.2-1.0 part of a vulcanization accelerator, 0.2-1.0 part of a plasticizer, 3-12 parts of a stabilizer, and 0.2-1.2 parts of a release agent. According to the invention, a fluororubber composite formula is specially designed, and a fluororubber synthesis process is cooperatively controlled, such as a processing sequence and a feeding rate of materials and parameters such as internal mixing and open mixing temperatures, rotating speeds and the like, so that the fluororubber sealing material with better comprehensive performance is obtained, and when the fluororubber sealing material is applied to a sealing rubber strip of a hydrostatic pressure bursting test, standard requirements are met; and the tensile strength, the elongation at break and the compression permanent deformation are obviously improved.
Owner:CHINA NAT PETROLEUM CORP +1
Rubber and plastic pipe blasting test bench
ActiveCN223526158UAnalysing solids using sonic/ultrasonic/infrasonic wavesMaterial strength using tensile/compressive forcesWater leakageTest chamber
The utility model relates to a rubber and plastic pipe blasting test bench, which belongs to the technical field of rubber and plastic pipe production and comprises a test box, a rubber and plastic pipe body is arranged in the test box, and electric telescopic rods are fixedly mounted on two sides of the test box. The rubber and plastic pipe fixing device has the beneficial effects that when the rubber and plastic pipe body needs to be fixed, the rubber and plastic pipe body can be fixed in the test box by utilizing the supporting assembly and the clamping assembly, and the corresponding plug heads are pushed to be close to the middle by utilizing the electric telescopic rods, so that the plug heads and the rubber and plastic pipe body are in a clamping state; the sealing performance of the rubber and plastic pipe body and the plug can be improved through the sealing ring, the water leakage phenomenon is avoided, a power source is provided for the plug through the electric telescopic rod, the testing operation can be more stable, the testing precision is guaranteed, and then the reliability of the testing result is improved; and the structure can be suitable for rubber and plastic pipe bodies with different lengths, and the manual operation space is reduced, so that the test is more convenient.
Owner:ZHUJI SHENTONG RUBBER & PLASTIC PIPE CO LTD
Method and device for evaluating blasting performance of nuclear fuel cladding
PendingCN121877580ANuclear energy generationMaterial strength using tensile/compressive forcesHydrogen concentrationNuclear reactor
The invention provides a nuclear fuel cladding blasting performance evaluation method and device, and the method comprises the steps: carrying out the hydrogen permeation operation of a plurality of first to-be-tested claddings according to different hydrogen permeation time, and obtaining a plurality of second to-be-tested claddings under different hydrogen concentrations; performing an expansion bursting test on each second to-be-tested cladding to obtain a crevasse elongation rate, a bursting temperature and a bursting stress when each second to-be-tested cladding generates a crevasse under different hydrogen concentrations; the bulging bursting test is used for simulating a water loss accident of a nuclear reactor; determining a mapping relation according to the hydrogen concentration, the crevasse elongation, the blasting temperature and the blasting stress; the mapping relation is the mapping relation between the hydrogen concentration and the blasting temperature, the blasting stress and the crevasse elongation; and according to the mapping relation, determining the performance grade of the first to-be-tested cladding for resisting crevasse generation under the condition that the water loss accident occurs. According to the embodiment of the invention, the safety of fuel cladding blasting performance evaluation can be improved.
Owner:CHINA NUCLEAR POWER TECH RES INST CO LTD +1
Turnover mechanism of hydraulic bursting test device for vehicle hydrogen cylinder
ActiveCN224176277UMaterial strength using tensile/compressive forcesHydraulic cylinderRotational axis
The utility model discloses a turnover mechanism of a vehicle hydrogen cylinder water pressure bursting test device, the turnover mechanism is composed of a support underframe, a support platform, gas cylinder clamping assemblies, gas cylinder horizontal clamping assemblies and a hydraulic cylinder, in the utility model, the support platform is provided with a plurality of gas cylinder clamping assemblies and a plurality of gas cylinder horizontal clamping assemblies, meanwhile, the overall stability of the mechanism is kept through the supporting bottom frame at the bottom, the supporting platform and the supporting bottom frame are connected through the rotating shaft, the hydraulic cylinder is further arranged between the supporting platform and the supporting base, the structural connection of the supporting platform and the supporting base is enhanced through the hydraulic cylinder, and the stability of the mechanism is improved. The bearing capacity of the mechanism is improved, the supporting platform is driven to rotate through the hydraulic cylinder, the whole overturning process is kept stable, and the safety and flexibility of the blasting experiment are further guaranteed.
Owner:SHENYANG ZIWEIHENG TESTING EQUIP CO LTD
Flexible retention assembly for turbomachine rotating part burst test bench
The invention relates to a flexible retention assembly (4) for a test bench (1) for bursting a rotating part of a turbomachine to be tested (9), said test bench (1) comprising a hollow cylindrical wall (10) defining an internal test tank having a first hollow cylindrical volume (V1) extending along a longitudinal axis (L), a drive shaft (2) mounted to rotate about said longitudinal axis (L) and on which said rotating part to be tested (9) is intended to be fixed, said test bench (1) further comprising means for retaining fragments from said rotating part to be tested (9), said means for retaining fragments comprising: a hard retention assembly (3) intended to be housed in said first hollow internal volume (V1) and comprising at least one hard retention element (30) of hollow cylindrical shape defining a second hollow cylindrical internal volume (V2) intended to extend along said longitudinal axis (L);said flexible retention assembly (4), said flexible retention assembly (4) comprising at least one flexible retention element (40, 40') of hollow cylindrical shape extending along a longitudinal axis (X) and defining a third hollow cylindrical internal volume (V3), said at least one flexible retention element (40, 40') comprising at least one layer of composite material (5).;
Owner:SAFRAN AIRCRAFT ENGINES SAS
A dynamic crack high-speed photography system and method for reducing interference in a blast test
The application provides a dynamic crack high-speed photography system and method for reducing interference in a blasting test, and belongs to the technical field of dynamic monitoring of blasting tests. A rock test piece is placed at the center of a reinforced concrete retaining wall, and a confining pressure device is arranged between the outer wall of the rock test piece and the inner wall of the reinforced concrete retaining wall. The upper surface of the rock test piece is covered with an impact-resistant flow guide protective cover. A horn-shaped flow guide pipe is arranged at the top of the impact-resistant flow guide protective cover in communication, the horn-shaped flow guide pipe is connected with a cylinder at the end, the cylinder penetrates through a protective baffle, and the high-speed camera is connected with a data processor through a connecting line. The high-speed photography method combining the flow guide protection structure, the light filtering measure and the double-view imaging can solve the problem that the dynamic crack of brittle materials such as rock and concrete is not clear in the blasting test due to the shielding of flying objects and the interference of strong light.
Owner:CHINA THREE GORGES UNIV
Fire hose blast resistance detection device
ActiveCN224341352UMaterial strength using tensile/compressive forcesWater sourceArchitectural engineering
This utility model provides a fire hose burst resistance testing device, belonging to the field of fire hose testing; it includes: a supporting base plate, a pressure boosting pipe structure installed on the upper wall of the supporting base plate, a pressure measuring pipe structure installed on the upper wall of the supporting base plate, an automatic fixing and tightening structure installed on the inner wall of the pressure boosting pipe structure and the pressure measuring pipe structure, a water source structure installed on the lower wall of the supporting base plate, and a protective structure installed on the upper wall of the supporting base plate; the two ends of the fire hose are fixed by a hydraulic system. The hydraulic fixing can ensure the positive pressure of fixing the two ends of the fire hose, thereby ensuring that the two ends of the fire hose will not fall off during the test. At the same time, it can improve the installation speed of the fire hose, thereby improving the efficiency of the burst test of the fire hose. Moreover, the hydraulic system is inexpensive, which can reduce the overall price of the test equipment and play a positive role in the subsequent sales and promotion of the equipment.
Owner:LIAONING FIRE SAFETY ENG CO LTD
Embossed toilet tissue
Embossed fibrous structures that exhibit a Dry Burst of greater than 270 g as measured according to the Dry Burst Test Method and more particularly to embossed fibrous structures that exhibit a Dry Burst of greater than 270 g as measured according to the Dry Burst Test Method and a Total Dry Tensile of less than 2375 g / 76.2 mm and / or a Geometric Mean Total Dry Tensile of less than 1130 g / 76.2 mm as measured according to the Tensile Strength Test Method are provided.
Owner:PROCTER & GAMBLE CO
Explosive impact pressure testing device
The application provides an explosive impact pressure testing device, and relates to the technical field of explosives and blasting engineering. The testing device simulates the hole wall where the explosive is located in the actual blasting through a testing pipe, and collects the test data of the detonation products generated after the explosion of the explosive, such as time, instantaneous impact pressure of the detonation products on the inner wall surface of the testing pipe and the like, by cooperating with an information collector. Meanwhile, the detonation products are reduced in energy carried when being discharged from the outlet end of the pressure relief pipe in the form of reverse folding and mutual collision by means of the main pressure relief channel and the auxiliary pressure relief channel, so that the testing device has good repeatability and low external impact power, reduces the high standard dependence of the testing device on the testing site, and avoids the problems of poor test repeatability, high cost, inconvenient operation and difficulty in obtaining stable and reliable data caused by the influence of factors such as geological conditions and charging parameters during the on-site blasting test.
Owner:INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
A stepped cigarette paper burst test device
Owner:CHONGQING CHINA TOBACCO IND CO LTD
Blast hole and fracture grid randomly adjustable rock-like sample preparation mold suitable for bursting test
The utility model discloses a rock-like sample preparation mold with arbitrarily adjustable blast holes and fracture grids, which is suitable for a bursting test, and comprises a base, box plates, fracture sheets, hole making rods and first connecting pieces, the four box plates are connected through the first connecting pieces to form a rectangle and are positioned on the base, and an interval is formed between every two adjacent box plates; through the arrangement of the movable box plate and the lantern ring capable of freely rotating, the device can adjust the height of the box plate, the height and the vertical angle of the crack pieces and the hole making rod, the included angle and the rotating angle between the crack pieces are adjusted by rotating the lantern ring, and the crack pieces do not need to be inserted and pulled out in the adjusting process.
Owner:CHINA COMMUNICATIONS CONSTRUCTION +4
High-precision multi-range static pressure bursting test device
The utility model relates to a high-precision multi-range static pressure bursting test device, which relates to the technical field of instrument testing, and comprises a pressure testing pipeline, and a plurality of pressure gauges for testing are arranged on the pressure testing pipeline. The pressure testing pipeline is respectively in pipeline connection with a pre-pressing assembly used for preliminarily filling oil into the pressure testing pipe and pre-pressing the pressure testing pipe, a low-pressure input assembly used for outputting low pressure and a high-pressure input assembly used for outputting high pressure, and the low-pressure input assembly and the high-pressure input assembly are in pipeline connection with an input gas source. According to the invention, double pressure input assemblies including the low-pressure input assembly and the high-pressure input assembly are adopted, and the pressure input by the double pressure input assemblies is matched, so that the range of the pressure test is increased.
Owner:红旗仪表(长兴)有限公司
Reinforced concrete column bursting test device
The invention provides a blasting test device for a reinforced concrete column, belongs to the technical field of demolition blasting engineering, and particularly relates to a test restraining and observing device for researching the blasting damage effect of the reinforced concrete column. The device comprises a bottom constraint structure, a side vertical surface buffer layer, an observation partition design and a fragment collection design, and is mainly used for fixing and protecting a test piece and recording a crushing effect in a reinforced concrete column blasting test. Compared with the existing equipment which is difficult to consider the extraction of constraint and crushing effects, the device is easily damaged by concrete fragments in the blasting process, and the experimental result is influenced, the device can effectively extract the crushing effect of the concrete after blasting, the protective layer can well protect the test equipment, and the test efficiency is improved. And the parting data of the exploded concrete fragments can be conveniently extracted.
Owner:LIAONING TECHNICAL UNIVERSITY
Condenser tube pressure resistance burst test bench and method based on heat exchanger production
This invention relates to the technical field of condenser tube pressure resistance testing equipment, specifically disclosing a condenser tube pressure resistance burst test bench and method based on heat exchanger production. It includes a first partition and a second partition fixedly installed on the inner wall of the test bench and arranged vertically in parallel. A test mechanism extending to the top of the second partition and arranged in a rectangular array is provided on the top of the first partition. A cooling mechanism is provided on the outer wall of the test bench. The test mechanism includes a pressing mechanism located on the top of the second partition. This invention, through the cooperation of the pressing mechanism and the connecting mechanism, facilitates the fixing of condenser tubes of different diameters and can seal the ends of condenser tubes of different diameters, thereby improving the stability of subsequent pressure resistance burst tests. It also allows pressure sensors to enter different positions inside the condenser tube, facilitating the actual control of whether the condenser tube test is qualified, and is convenient for practical testing.
Owner:MODIN PUXIN THERMAL TECH (JIANGSU) CO LTD
Irrigation pipe flow constant-temperature and constant-pressure blasting test all-in-one machine and test method
PendingCN121805028AEquipped with constant temperature and humidity control functionImprove test efficiencyWeather/light/corrosion resistanceMaterial strength using tensile/compressive forcesControl cellEnvironmental simulation
The invention discloses an irrigation pipe flow constant-temperature and constant-pressure blasting test all-in-one machine and a test method. The device comprises a water supply unit, a test pipeline unit, an environment simulation unit, a sensing detection unit, a control unit and a human-computer interaction interface, the sensing detection unit comprises a pressure sensor, a temperature sensor, a water level sensor, a humidity sensor, an ultraviolet intensity sensor and a flow meter; the control unit adjusts operation of the heater according to detection signals of the temperature sensor. The humidity sensor and the circulating fan are used for maintaining the humidity of the test environment to be stabilized in a set range; an ultraviolet ray intensity sensor is used for realizing an ultraviolet ray aging acceleration test. According to the invention, through the innovative control unit, constant-pressure, step-boosting and blasting tests and humidity and ultraviolet environment simulation tests are organically integrated and intelligently linked, and comprehensive performance and aging tests of the irrigation pipe in a real outdoor environment can be completed without cooperation of multiple devices, so that the test efficiency and accuracy are greatly improved; the equipment investment cost is reduced.
Owner:WUXI KAIOTE WATER-SAVING IRRIGATION TECHNOLOGY CO LTD
Method and device for determining a crack arrest index value of a co2 pipeline and electronic equipment
The application provides a method and device for determining a crack arrest index value of a CO2 pipeline and electronic equipment. The method first performs numerical simulation based on set working condition information of the CO2 pipeline to obtain at least one key parameter affecting a crack propagation speed of the CO2 pipeline and a first relationship diagram, then obtains a second relationship diagram based on a full-size burst test database, thereby obtaining a crack propagation speed prediction formula, for each key parameter, different values of the key parameter are obtained under the same working condition, and the crack propagation speed is determined according to the crack propagation speed prediction formula, a crack propagation speed curve and a pressure reduction curve are obtained, and finally the crack arrest index of each key parameter is determined according to the crack propagation speed curve and the pressure reduction curve corresponding to each key parameter. The technical scheme realizes effective evaluation of the safety of the CO2 pipeline under different working conditions and has the technical effect of economically and efficiently obtaining the crack arrest index value of the CO2 pipeline.
Owner:CHINA GASOLINEEUM PIPELINE ENG CORP +2