CN102445399A - Pulse test bench and pressurizer - Google Patents
Pulse test bench and pressurizer Download PDFInfo
- Publication number
- CN102445399A CN102445399A CN2011104114544A CN201110411454A CN102445399A CN 102445399 A CN102445399 A CN 102445399A CN 2011104114544 A CN2011104114544 A CN 2011104114544A CN 201110411454 A CN201110411454 A CN 201110411454A CN 102445399 A CN102445399 A CN 102445399A
- Authority
- CN
- China
- Prior art keywords
- valve
- storage equipment
- cold liquid
- supercharger
- energy storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention relates to a high-pressure flexible tube pulse test bench, and also relates to a pressurizer which is specially used in the high-pressure flexible tube pulse test bench. The purpose of the invention is to provide a pulse test bench which can really imitate a real fluid and can realize a sine wave and a high frequency. A technical scheme for realizing the purpose of the invention is characterized in that: the pulse test bench comprises an electric control cabinet, a cold liquid storage device, a cold liquid pumping device, an energy storage device, a conversion valve and a pressurizer; hydraulic oil which is pumped from the cold liquid storage device to the energy storage device by the cold liquid pumping device enters the pressurizer through the conversion valve; and the hydraulic oil which is pressurized is accessed to a pulse test port. The pulse test bench is characterized in that: the pulse test bench which is between a primary energy storage device and the conversion valve is connected with a secondary energy storage device through a flexible tube, and the conversion valve is a servo flow valve; the cylindrical oil is mixed with a heated liquid from a heated liquid pumping device before the outlet end of the pulse test port; the oil return port of the pressurizer is connected to the cold liquid storage device; and the electric control cabinet controls the opening and the closure of all valves according to program requirements.
Description
Technical field
The present invention relates to a kind of pulse testing platform, specially refers to the flexible pipe pulse test platform of high pressure.
The invention still further relates to a kind of supercharger; This supercharger is specifically designed in the flexible pipe pulse test platform of high pressure.
Background technology
The flexible pipe pulse testing platform of depositing in the prior art in general, its pressure is little, often can not really satisfy reality requirement; For prior art on the market; Also there is a problem; For example, difference is all arranged, on prior art because in practical work for the imitation of working environment; Have under certain heat environment because pipe fitting is operated in possibly, the liquid in the pipe fitting also possibly be to have uniform temperature; And present technology only is an imitation pressure, makes sine wave etc.
For high pressure, its pressure is too high, and the few use flexible pipe; And its pressure is very big, can not reach for its pressure of general pump, therefore; For the detection of high pressure part, be a bottleneck in the industry, so so-called high pressure; What are high pressure on earth in the industry so? How many handkerchiefs is the pressure that reaches just high-strength? In the industry this problem is thought that surpassing 100MPa is High Voltage.
The waveform that the experiment table that existing market occurs is worked it out all is a square wave, or trapezoidal wave, because the control of this mode is quite simple, has controlled as long as cross-over valve is carried out switch; And how can real-life fluid liquid walks square wave or trapezoidal wave, and the fluid liquid that reality is given birth to should be a sine wave, and frequency also should be quite high; For existing market technology have been arranged be not accomplish sine wave, and speed is on five hertz frequency.
Summary of the invention
Technical matters to be solved by this invention is, provides a kind of and can really imitate real fluid, can realize sinusoidal wave and high-frequency pulse testing platform.
For accomplishing the foregoing invention purpose, the present invention is achieved in that a kind of pulse testing platform, and it comprises that electrical control cubicles, cold liquid storage equipment, condenser pump send device, an energy storage equipment, cross-over valve, supercharger; Described condenser pump send device in cold liquid storage equipment, hydraulic oil pump to be delivered to an energy storage equipment, gets into supercharger through cross-over valve; By connecing the pulse test mouth after the supercharger supercharging; It is characterized in that: this pulse testing platform connects a secondary energy storage equipment through flexible pipe between energy storage equipment and cross-over valve, described cross-over valve is the servo flow metered valve; Before the endpiece of pulse test mouth, also sneak into the hydrothermal solution that contains from the hydrothermal solution pumping installations; The oil return opening of supercharger is connected to cold liquid storage equipment; Described electrical control cubicles follow procedure requires opening and closing of each valve of control.This patent makes pressure reach 100MPa in order to realize high-intensity pressure, has successively adopted twice accumulation of energy; Be emulation more; On supercharger, also adorn hot supplying apparatus especially, let by this hot supplying apparatus and mix liquid, reacted actual environment more really.This patent is advancing the cold liquid oil servo flow metered valve of also passing through before getting into supercharger, and the servo flow metered valve is different with simple cross-over valve in the past; It can be regulated according to the requirement of switch board; Not just open and close, and can let it regulate, and highly sensitive according to flow, controllability is strong, and the combination through above-mentioned parts has just formed a simple 100MPa pressure, and frequency reaches the testing table more than 5 hertz.
Technique scheme is done further to improve, and it is to be made up of two groups of pumping equipments that described condenser pump send device;
Wherein first group of pumping equipment be by the driven by motor Variable plunger pump through proportioning valve, safety valve filtrator, retaining valve connect energy storage equipment one time;
Wherein second group of pumping equipment is to divide two-way by circulation motor band gear-type pump through filtrator; Article one, branch road connects the secondary energy storage equipment; Another branch road connects the sap cavity that changes of supercharger; The hot chamber of changing sap cavity takes back cold liquid storage equipment through pipeline.For an imitative reality, realize sinusoidal wave hydraulic means, the high pressure feed flow must be arranged, the low pressure feed flow is also arranged; Second group of pumping equipment then is to carry out feed flow for low pressure; Meanwhile,, pressurize by supercharger again, can make the fluid heating because fluid is sent in the supercharger by high pressure; At this moment in order more to keep long work, must carry out the fluid of supercharger so changing again.Therefore, we are provided with and change the liquid loop in this scheme.
Technique scheme is done further to improve, and a described energy storage equipment is connected to condenser pump and send before the retaining valve of device; The cold liquid storing unit of one of which termination connects first accumulator again through the accumulator valve group, send the retaining valve front end of device through tensimeter, sensor to condenser pump; The increase energy of described first accumulator is 20 liters. described hydrothermal solution pumping installations is to be made up of jointly double-layer heat insulation fuel tank, hydrothermal solution pump; Be provided with well heater in the described double-layer heat insulation fuel tank, level switch, filtrator, temperature sensor, said hydrothermal solution pump will have the liquid of temperature through retaining valve, solenoid valve, needle-valve, retaining valve mixes with the outlet of supercharger; At described solenoid valve, needle-valve, bypass inserts a way solenoid valve and retaining valve between the retaining valve; The off-load mouth that increases valve connects the double-layer heat insulation fuel tank through solenoid valve.For high pressure, be whole far from only with pump pressure, therefore in energy storage equipment, left 20 liters standby pressure.For real more imitation reality, in such scheme, we sneak into a certain proportion of deep fat in original fluid.After the oil that the process supercharger comes out is learnt temperature by thalposis, adjust the supply of the amount of deep fat by switch board; So just, can reach the temperature that is adapted to environment.
Technique scheme is done further to improve, be provided with cooling device at second group of pumping equipment, described cooling device is that cold water pipes is connected in the heat exchanger, and heat exchanger is provided with cooling water inlet, fluid import, cooling water outlet and fluid outlet fluid; Described oil return in the supercharger is carried out flowing back to cold liquid storage equipment after the heat interchange with cold water through this heat exchanger; Water after the exchange flows out from cooling water outlet; Described cold water pipe.Because the interior fluid at supercharger can generate heat; At this moment need be used for such scheme and lower the temperature, thus the permanent work that keeps supercharger.
Such scheme is done further to improve, be connected through flexible pipe between said supercharger oil return opening and the cold liquid storage equipment; On flexible pipe, connect one 2.5 liters accumulator.Because accumulator can not disposablely be accomplished, otherwise pressure is excessive, can cause the vibration of flexible pipe; Therefore, carry out the secondary accumulation of energy, when oil-out, equally also be because the hypertonia mistake also can cause the vibration of return hose; Therefore on the pipeline that returns liquid, connect an accumulator, be used to alleviate the vibration of loop flexible pipe.
Technique scheme is done further refinement; Described cold liquid storage equipment is a hydraulic reservoir, and its import is connected to a ball valve, temperature sensor, respirator, level sensor.
Second technical matters that the present invention solved is: a kind of supercharger is provided, and this supercharger is used for high load capacity, and high-frequency motion, and the rising that can not produce oil liquid temperature can keep long work.
For solving above-mentioned technical barrier, this patent is achieved in that a kind of hydraulic intensifier, and it comprises the high pressure oil-in, low pressure oil-in, spillway; It is characterized in that it also comprises a deep fat fluid infusion mouth; Described deep fat fluid infusion mouth is arranged at the pressure export place, is built-in with retaining valve, makes the unidirectional exit that flows to of deep fat.Because fluid is motion therein constantly, thereby fluid self also can generate heat, particularly for the supercharger of such high pressure, it is faster, higher that the temperature of its supercharger rises; The method that this patent just adopts two-chamber to change liquid realizes, establishes one and changes sap cavity, injects cold liquid at negative exchange sap cavity; When discharge opeing next time, cold oil is sneaked into, with advancing from the loop; Discharge corresponding deep fat liquid in second group of pump, injection rate IR and discharge capacity are by programmed control, and be accurate.
Technique scheme is done further to improve, and said supercharging utensil comprises two chambers, and one of which is individual to be booster cavity, and another is for changing sap cavity, and this changes the side that sap cavity is positioned at booster cavity.Described changing is provided with inlet and liquid outlet in the sap cavity, described inlet and liquid outlet all are connected to cold liquid storage equipment through pipeline; Wherein from liquid outlet flow to cold liquid storage equipment midway the cold and hot interchange valve of flowing through; Described this cold liquid interchange valve is a heat exchanger, and its cooling vent connects cold water pipe, and hot water outlet meets a hot water outlet pipe; Fluid passes from middle pipeline.Because fluid is hot in this return line, need just can get back in the cold oil case after the cooling, therefore, in this branch road, inserted cooling device; Through getting into fuel tank after the water cooling again.
Description of drawings
Fig. 1 is the structure principle chart of this patent.
Embodiment
A kind of pulse testing platform, it comprises that electrical control cubicles, cold liquid storage equipment, condenser pump send device 2, energy storage equipment 3, cross-over valve, supercharger; Described condenser pump send device 2 in cold liquid storage equipment 1, hydraulic oil pump to be delivered to energy storage equipment 3 one time, gets into supercharger 4 through cross-over valve; By connecing pulse test mouth 5 after the supercharger supercharging; This pulse testing platform connects a secondary energy storage equipment 6 through flexible pipe between energy storage equipment and cross-over valve, described cross-over valve is the servo flow metered valve; Before the endpiece of pulse test mouth 5, also sneak into the hydrothermal solution that contains from hydrothermal solution pumping installations 8; The oil return opening of supercharger 4 is connected to cold liquid storage equipment; Described electrical control cubicles follow procedure requires opening and closing of each valve of control.
It is to be made up of two groups of pumping equipments that described condenser pump send device 2.
Wherein first group of pumping equipment 21 be by driven by motor Variable plunger pump 2101 through proportioning valve 2102, safety valve filtrator 2103, retaining valve connect energy storage equipment 3 one time; Proportion valve injects at the flow that originally designed; Add the control of the servo flow valve 7 of back; Through the high pressure pumping installations real-time pressure is fed back to switch board; Switch board is realized a closed-loop control like this, thereby is realized the sinusoidal pressure curve of a high-frequency and high-voltage through the aperture size of the signal adjustment high frequency servo valve of pressure feedback.
Wherein second group of pumping equipment 22 is to divide two-way by circulation motor band gear-type pump 2201 through filtrator; Article one, branch road connects secondary energy storage equipment 6; Another branch road connects the sap cavity that changes of supercharger 4 through solenoid valve; The hot chamber of changing sap cavity takes back cold liquid storage equipment through pipeline.Be provided with cooling device 2202 at second group of pumping equipment; Described cooling device 2202 is that cold water pipes is connected in the heat exchanger 2203; Heat exchanger 2203 is provided with cooling water inlet 2204, fluid import 2206, and cooling water outlet 2205 exports 2207 fluid with fluid; Described oil return in the supercharger is carried out flowing back to cold liquid storage equipment after the heat interchange with cold water through this heat exchanger; Water after the exchange flows out from cooling water outlet.Because powerful pressure makes fluid produce heat, particularly collects the fluid in supercharger; Because motion for a long time; Thereby the production heat, so also the master has caused the use that increases device to become problem, and we utilize from cold liquid storage equipment and inject fresh oil; Original deep fat is released, and the method for sending fuel tank after the cooling again back to reaches the method for the supercharger cooling.
A described energy storage equipment is connected to condenser pump and send after the retaining valve of device; The cold liquid storage equipment of one of which termination connects first accumulator 32 again through accumulator valve group 31, send the retaining valve front end of device through tensimeter 33, sensor to condenser pump; The increase energy of described first accumulator 32 is 20 liters. secondary energy storage equipment 6 is to be made up of valve group 61 and accumulator 62, and the accumulation of energy pressure of accumulator 62 is 2.5 liters; Between valve group and accumulator, still be connected with flexible pipe.The valve group import of secondary energy storage equipment connects two-way, and one the tunnel from an energy storage equipment, and another road is from the second pump group.Also be through connecing cooling device 2203 again after 2.5 liters of accumulators on the supercharger 4 normal oil return lines, arrive cold liquid storage equipment 1 at last.
Described hydrothermal solution pumping installations 8 is to be made up of jointly double-layer heat insulation fuel tank 81, hydrothermal solution pump; Be provided with well heater 812 in the described double-layer heat insulation fuel tank, level switch 813, filtrator 814, temperature sensor 815, said hydrothermal solution pump 82 will have the liquid of temperature through retaining valve 816, solenoid valve, needle-valve, retaining valve mixes with the outlet of supercharger; At described solenoid valve, needle-valve, bypass inserts a way solenoid valve and retaining valve between the retaining valve; The off-load mouth that increases valve connects the double-layer heat insulation fuel tank through solenoid valve.
Described cold liquid storage equipment is a hydraulic reservoir, and its import is connected to a ball valve 11, temperature sensor 12, respirator 13, level sensor 14.A series of monitoring equipment is set in the cold hydraulic reservoir, prevents that special status from appearring in fuel tank.
Specific embodiment 2
A kind of hydraulic intensifier, it comprises high pressure oil-in 41, low pressure oil-in 42, spillway 43; A deep fat fluid infusion mouth; Described deep fat fluid infusion mouth is arranged at the pressure export place, is built-in with retaining valve, makes the unidirectional exit that flows to of deep fat.Because fluid is motion therein constantly, thereby fluid self also can generate heat, particularly for the supercharger of such high pressure, it is faster, higher that the temperature of its supercharger rises; The method that this patent just adopts two-chamber to change liquid realizes, establishes one and changes sap cavity, injects cold liquid at negative exchange sap cavity; When discharge opeing next time, cold oil is sneaked into, with advancing from the loop; Discharge corresponding deep fat liquid in second group of pump, injection rate IR and discharge capacity are by programmed control, and be accurate.
Technique scheme is done further to improve, and said supercharging utensil comprises two chambers, and one of which is individual to be booster cavity, and another is for changing sap cavity, and this changes the side that sap cavity is positioned at booster cavity.Described changing is provided with inlet and liquid outlet in the sap cavity, described inlet and liquid outlet all are connected to cold liquid storage equipment through pipeline; Wherein from liquid outlet flow to cold liquid storage equipment midway the cold and hot interchange valve of flowing through; Described this cold liquid interchange valve is a heat exchanger, and its cooling vent connects cold water pipe, and hot water outlet meets a hot water outlet pipe; Fluid passes from middle pipeline.Because fluid is hot in this return line, need just can get back in the cold oil case after the cooling, therefore, in this branch road, inserted cooling device; Through getting into fuel tank after the water cooling again.
Claims (9)
1. pulse testing platform, it comprises that electrical control cubicles, cold liquid storage equipment, condenser pump send device, an energy storage equipment, cross-over valve, supercharger; Described condenser pump send device in cold liquid storage equipment, hydraulic oil pump to be delivered to an energy storage equipment, gets into supercharger through cross-over valve; By connecing the pulse test mouth after the supercharger supercharging; It is characterized in that: this pulse testing platform connects a secondary energy storage equipment through flexible pipe between energy storage equipment and cross-over valve, described cross-over valve is the servo flow metered valve; Before the endpiece of pulse test mouth, also sneak into the hydrothermal solution that contains from the hydrothermal solution pumping installations; The oil return opening of supercharger is connected to cold liquid storage equipment; Described electrical control cubicles follow procedure requires opening and closing of each valve of control.
2. according to wanting profit to require 1 described a kind of pulse testing platform, it is characterized in that: it is to be made up of two groups of pumping equipments that described condenser pump send device;
Wherein first group of pumping equipment be by the driven by motor Variable plunger pump through proportioning valve, safety valve filtrator, retaining valve connect energy storage equipment one time;
Wherein second group of pumping equipment is to divide two-way by circulation motor band gear-type pump through filtrator; Article one, branch road connects the secondary energy storage equipment; Another branch road connects the sap cavity that changes of supercharger; The hot chamber of changing sap cavity takes back cold liquid storage equipment through pipeline.
3. according to wanting profit to require 1 described a kind of pulse testing platform, it is characterized in that: a described energy storage equipment is connected to condenser pump and send before the retaining valve of device; The cold liquid storing unit of one of which termination connects first accumulator again through the accumulator valve group, send the retaining valve front end of device through tensimeter, sensor to condenser pump; The increase energy of described first accumulator is 20 liters.
4, according to wanting profit to require 1 described a kind of pulse testing platform, it is characterized in that: described hydrothermal solution pumping installations is to be made up of jointly double-layer heat insulation fuel tank, hydrothermal solution pump; Be provided with well heater in the described double-layer heat insulation fuel tank, level switch, filtrator, temperature sensor, said hydrothermal solution pump will have the liquid of temperature through retaining valve, solenoid valve, needle-valve, retaining valve mixes with the outlet of supercharger; At described solenoid valve, needle-valve, bypass inserts a way solenoid valve and retaining valve between the retaining valve; The off-load mouth that increases valve connects the double-layer heat insulation fuel tank through solenoid valve.
4. according to wanting profit to require 2 described a kind of pulse testing platforms; It is characterized in that: be provided with cooling device at second group of pumping equipment; Described cooling device is that cold water pipes is connected in the heat exchanger, and heat exchanger is provided with cooling water inlet, fluid import, cooling water outlet and fluid outlet fluid; Described oil return in the supercharger is carried out flowing back to cold liquid storage equipment after the heat interchange with cold water through this heat exchanger; Water after the exchange flows out from cooling water outlet; Described cold water pipe.
5. according to wanting profit to require 2 described a kind of pulse testing platforms, it is characterized in that: be connected through flexible pipe between said supercharger oil return opening and the cold liquid storage equipment; On flexible pipe, connect one 2.5 liters accumulator.
6. according to wanting profit to require 1 described a kind of pulse testing platform, it is characterized in that: described cold liquid storage equipment is a hydraulic reservoir, and its import is connected to a ball valve, temperature sensor, respirator, level sensor.
7. be used for a kind of hydraulic intensifier of claim 1 pulse testing platform, it comprises the high pressure oil-in, low pressure oil-in, spillway; It is characterized in that it also comprises a deep fat fluid infusion mouth; Described deep fat fluid infusion mouth is arranged at the pressure export place, is built-in with retaining valve, makes the unidirectional exit that flows to of deep fat.
8. a kind of hydraulic intensifier according to claim 8 is characterized in that; Said supercharging utensil comprises two chambers, and one of which is individual to be booster cavity, and another is for changing sap cavity, and this changes the side that sap cavity is positioned at booster cavity.
9. a kind of hydraulic intensifier according to claim 8 is characterized in that; Described changing is provided with inlet and liquid outlet in the sap cavity, described inlet and liquid outlet all are connected to cold liquid storage equipment through pipeline; Wherein from liquid outlet flow to cold liquid storage equipment midway the cold and hot interchange valve of flowing through; Described this cold liquid interchange valve is a heat exchanger, and its cooling vent connects cold water pipe, and hot water outlet meets a hot water outlet pipe; Fluid passes from middle pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110411454 CN102445399B (en) | 2011-12-12 | 2011-12-12 | Pulse test bench and pressurizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110411454 CN102445399B (en) | 2011-12-12 | 2011-12-12 | Pulse test bench and pressurizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102445399A true CN102445399A (en) | 2012-05-09 |
| CN102445399B CN102445399B (en) | 2013-11-06 |
Family
ID=46008108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110411454 Active CN102445399B (en) | 2011-12-12 | 2011-12-12 | Pulse test bench and pressurizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102445399B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016453A (en) * | 2012-12-14 | 2013-04-03 | 浙江大学 | Impulse test system of hydraulic hose |
| CN103644170A (en) * | 2013-11-28 | 2014-03-19 | 江西洪都航空工业集团有限责任公司 | Hydraulic low-pressure pulse experiment method of aircraft |
| CN105181475A (en) * | 2015-10-28 | 2015-12-23 | 四川杰特机器有限公司 | Impulse test system supercharged through servo electric cylinder |
| CN105938073A (en) * | 2015-12-24 | 2016-09-14 | 石油和化学工业橡胶及再生产品质量监督检验中心（天津市质量监督检验站第四十二站） | Pressure pulse test hydraulic system for rubber hose detection |
| CN105954130A (en) * | 2016-05-31 | 2016-09-21 | 中国航空工业集团公司西安飞机设计研究所 | Impulse withstand test device for high-pressure hose |
| CN106053242A (en) * | 2016-05-26 | 2016-10-26 | 麦格思维特(上海)流体工程有限公司 | Testing platform capable maintaining high pressure for long time and workpiece testing method |
| CN109520872A (en) * | 2019-01-02 | 2019-03-26 | 瀚茁(上海)智能设备有限公司 | One kind accelerates fatigue test macro |
| CN116906418A (en) * | 2023-09-12 | 2023-10-20 | 麦格思维特(上海)流体工程有限公司 | Control method of pressure pulse test device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2672643Y (en) * | 2003-12-10 | 2005-01-19 | 天津市精研工程机械传动有限公司 | Pulse test table for hydraulic soft tube assembly |
| CN2725597Y (en) * | 2004-09-08 | 2005-09-14 | 西南石油学院 | Liquid pressurization device |
| CN1800805A (en) * | 2006-01-19 | 2006-07-12 | 清华大学 | Pulse generator for turbocharger test bench |
-
2011
- 2011-12-12 CN CN 201110411454 patent/CN102445399B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2672643Y (en) * | 2003-12-10 | 2005-01-19 | 天津市精研工程机械传动有限公司 | Pulse test table for hydraulic soft tube assembly |
| CN2725597Y (en) * | 2004-09-08 | 2005-09-14 | 西南石油学院 | Liquid pressurization device |
| CN1800805A (en) * | 2006-01-19 | 2006-07-12 | 清华大学 | Pulse generator for turbocharger test bench |
Non-Patent Citations (3)
| Title |
|---|
| 严金坤等: "增压式蓄能器型脉冲试验装置的分析与实践", 《上海交通大学学报》 * |
| 赵孟文等: "高压力脉冲试验台设计", 《液压与气动》 * |
| 顾洗心: "高压胶管脉冲试验机的研制", 《特种橡胶制品》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016453A (en) * | 2012-12-14 | 2013-04-03 | 浙江大学 | Impulse test system of hydraulic hose |
| CN103644170A (en) * | 2013-11-28 | 2014-03-19 | 江西洪都航空工业集团有限责任公司 | Hydraulic low-pressure pulse experiment method of aircraft |
| CN103644170B (en) * | 2013-11-28 | 2016-05-11 | 江西洪都航空工业集团有限责任公司 | A kind of test method of airplane hydraulic pressure action of low-voltage pulse |
| CN105181475A (en) * | 2015-10-28 | 2015-12-23 | 四川杰特机器有限公司 | Impulse test system supercharged through servo electric cylinder |
| CN105181475B (en) * | 2015-10-28 | 2018-04-20 | 四川杰特机器有限公司 | A kind of impulse test system of servo electric jar supercharging |
| CN105938073A (en) * | 2015-12-24 | 2016-09-14 | 石油和化学工业橡胶及再生产品质量监督检验中心（天津市质量监督检验站第四十二站） | Pressure pulse test hydraulic system for rubber hose detection |
| CN106053242A (en) * | 2016-05-26 | 2016-10-26 | 麦格思维特(上海)流体工程有限公司 | Testing platform capable maintaining high pressure for long time and workpiece testing method |
| CN105954130A (en) * | 2016-05-31 | 2016-09-21 | 中国航空工业集团公司西安飞机设计研究所 | Impulse withstand test device for high-pressure hose |
| CN109520872A (en) * | 2019-01-02 | 2019-03-26 | 瀚茁(上海)智能设备有限公司 | One kind accelerates fatigue test macro |
| CN116906418A (en) * | 2023-09-12 | 2023-10-20 | 麦格思维特(上海)流体工程有限公司 | Control method of pressure pulse test device |
| CN116906418B (en) * | 2023-09-12 | 2023-12-15 | 麦格思维特(上海)流体工程有限公司 | Control method of pressure pulse test device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102445399B (en) | 2013-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102445399B (en) | Pulse test bench and pressurizer | |
| CN207568956U (en) | Deflect the hydraulic system of pulse test bench | |
| CN102194535B (en) | Pre-service hydrostatic test integrated system on secondary side of steam generator | |
| CN107621087A (en) | Water-heater system and its control method | |
| CN105806711A (en) | Oil-drive-water pressure circulating test system adopting superchargers | |
| CN201858218U (en) | Oil return device for engineering machinery | |
| CN102896729A (en) | Supercritical fluid pressure boost metering device | |
| CN207263396U (en) | Evaporator secondary side water test unit | |
| CN108389635B (en) | A kind of reactor cavity flood pattern three-dimensional simulation experimental provision and experimental method | |
| CN102445391A (en) | Pressure pulse fatigue testing device for directly generating pulses with plunger pump | |
| CN106481600A (en) | Pulse test bench and supercharger | |
| CN202878585U (en) | Supercharging and measuring device for supercritical fluid | |
| CN103274346A (en) | Liquid quantitative feeding device | |
| CN201738937U (en) | Portable single hydraulic prop pumping station system | |
| CN208364532U (en) | A kind of servo pressure checking table | |
| CN203822722U (en) | Leader control oilway pressure stabilizing system for servo-driven injection moulding machine | |
| CN106323624B (en) | A kind of performance of safety valve experimental rig that can be boosted and test method | |
| CN203485483U (en) | Heat conduction oil temperature control circulation system | |
| CN202545211U (en) | Hydraulic pump testing system capable of controlling oil liquid temperature | |
| CN105672962B (en) | Air foam flow distribution device and method | |
| CN206592778U (en) | A kind of high-precision two-wire LNG filling metering device | |
| CN214332332U (en) | Double-pump multistage multi-path medicament precise adjustment injection device | |
| CN210473635U (en) | Solution blending device | |
| CN209131470U (en) | The heat reservoir of constant temperature constant current output | |
| CN207158918U (en) | A kind of waste water processing station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |