CN104989702A - Hydraulic testing method for radar hydraulic cylinder - Google Patents
Hydraulic testing method for radar hydraulic cylinder Download PDFInfo
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- CN104989702A CN104989702A CN201510371527.XA CN201510371527A CN104989702A CN 104989702 A CN104989702 A CN 104989702A CN 201510371527 A CN201510371527 A CN 201510371527A CN 104989702 A CN104989702 A CN 104989702A
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- hydraulic
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- stop valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
Abstract
The invention discloses a hydraulic testing method for a radar hydraulic cylinder. The method comprises the steps that firstly, a hydraulic testing control device is built; secondly, a tested hydraulic cylinder is emptied and connected with the hydraulic testing control device; and thirdly, testing and observing are conducted after the interior of the tested hydraulic cylinder is pressurized. The hydraulic testing method for the radar hydraulic cylinder has the beneficial effects that pressure data can be automatically collected and recorded, the accuracy of detection data is improved, the testing process can be remotely observed, and the time taken by testers is shortened.
Description
Technical field
The invention belongs to packaging container hydraulic pressure test technical field, relate to the method for a kind of radar cylinder hydraulic test.
Background technique
The hydraulic oil storage vessel of certain type radar whether have crackle, whether be related to gadget whether reliable operation, detecting it by hydraulic pressure test has leakage of oil.As radar hydraulic oil storage vessel cylinder hydraulic testing installation, existing equipment is Non-follow control, and test data reads the sense organ range estimation reading that record relies on people, last hand-written test report, and thinks and make conclusion (of pressure testing).Adopt manually-operated existing equipment, precision is low, stops pressure when pressurizeing to be above standard pressure requirements much through the operator that are everlasting, and the poor accuracy of test result; When testing with existing testing installation, need the observation of tester whole process, check for leaks, manual record, artificially subjective, can there is error in the test result that different testers obtains; Existing testing installation is by manual record test data and judges experimental result, manually fills in experimental result, for the judgement of test result, and its poor accuracy; Equipment is when Non-follow control, and process of the test needs the observation of tester whole process, takies tester more.
Summary of the invention
Technical problem to be solved by this invention is to provide the method for the radar cylinder hydraulic test that a kind of test result is accurate, test period is short, participation tester is few.
For solving the problems of the technologies described above adopted technological scheme be: a kind of method of radar cylinder hydraulic test, comprises the steps:
(1) build hydraulic pressure test control gear, comprise hydraulic pipe line unit and hydraulic pressure monitoring unit;
Described hydraulic pipe line unit comprises water tank, water filter, liquid booster pump hydraulic pressure automatic stop valve, hydraulic manual stop valve, hydraulic high-pressure table, hydraulic pressure automatic decompression valve, hydraulic manual Decompression valves and hydraulic pressure main line;
Described hydraulic pressure monitoring unit comprises monitoring host computer, display device, storage, serial converter, digital pressure transducer, data collecting card and the 4th to the 6th relay;
The output terminal of described water tank is connected through the fluid input port of described water filter with described liquid booster pump;
The fluid output port of described liquid booster pump is connected with described hydraulic pressure main line through described hydraulic pressure automatic stop valve, hydraulic manual stop valve respectively;
Described hydraulic high-pressure table, hydraulic pressure automatic decompression valve, hydraulic manual Decompression valves, input end be connected with described hydraulic pressure main line respectively;
The input end of tested liquid cylinder pressure is connected with described hydraulic pressure main line through connecting head;
The input end of described digital pressure transducer is connected with described hydraulic pressure main line;
The output terminal of described digital pressure transducer connects the respective input of described monitoring host computer through described serial converter;
The input end of described display device and storage connects the corresponding output end of described monitoring host computer respectively;
The corresponding output end of monitoring host computer described in the control inputs termination of described data collecting card;
The control input end of described 4th to the 6th relay connects the corresponding control output end of described data collecting card respectively;
The electromagnetic coil of described hydraulic pressure automatic stop valve connects the control output end of described 4th relay;
The electromagnetic coil of described hydraulic pressure automatic decompression valve connects the control output end of described 5th relay;
The control output end of the 6th relay described in the control inputs termination of described liquid booster pump;
Described hydraulic pressure monitoring unit also comprises hydraulic pressure monitoring camera; Described hydraulic pressure monitoring camera is arranged on top, hydraulic test cabin; The corresponding port of monitoring host computer described in the output termination of described hydraulic pressure monitoring camera;
Described hydraulic pressure monitoring camera is 2, and described 2 hydraulic pressure monitoring cameras are arranged on top, described hydraulic test cabin diagonal opposite ends respectively;
(2) first by emptying in tested liquid cylinder pressure, then its inlet opening is connected with described hydraulic pressure test control gear by connecting head, tested liquid cylinder pressure is placed in hydraulic pressure test cabin;
(3) hydraulic manual stop valve and hydraulic pressure automatic stop valve is closed;
(4) pressurize in tested liquid cylinder pressure and test; Described liquid booster pump produces the fluid pressure being not less than 500kPa, and liquid out injects hydraulic pipe line unit from liquid booster pump;
(a) Non-follow control: open hydraulic branch hydraulic manual stop valve, hydraulic pressure test control gear pressurizes in tested liquid cylinder pressure; After being forced into the experimental pressure value of setting, close hydraulic manual stop valve, stop note pressure; The setting dwell time, open timer, press timer switch button, timer starts countdown, terminates when timer, and timer alarm tutorial light lights, and closes timer switch button; Open hydraulic manual Decompression valves, by pressure release in tested liquid cylinder pressure, experiment terminates; By observing on tested liquid cylinder pressure whether have fluid seepage, judge its leakage situation; B () telecontrol, first sets hydraulic test force value, then connected the electromagnetic coil of hydraulic pressure automatic stop valve by data capture card control the 4th relay, open hydraulic pressure automatic stop valve, pressurize in tested liquid cylinder pressure; After the force value of observation display display reaches and sets hydraulic test force value, the setting dwell time, unit is second; Then click " beginning pressurize " button, now data capture card control the 4th relay disconnects the electromagnetic coil of hydraulic pressure automatic stop valve, closes hydraulic pressure automatic stop valve, and stop note pressure, the dwell time starts countdown; Digital pressure transducer gathers pressure signal simultaneously, and is showing over the display; Hydraulic pressure monitoring unit compares with the difference of the acquisition rate of 1 time/s by force value; Show endurance, pressure drop over the display; After countdown terminates, hydraulic pressure automatic decompression valve is opened automatically, and releasing pressure automatically in tested liquid cylinder pressure is tested complete; By the pressure on observation display and time numerical relation, analyze the pressure in the dwell time and pressure reduction situation, thus judge the leakage situation of tested liquid cylinder pressure.
The model of described water filter is FM200; The model of described hydraulic manual stop valve is 3L310-10; The model of described hydraulic pressure automatic stop valve is 4v210-80; The model of described hydraulic high-pressure table is YB60; The model of described hydraulic pressure automatic decompression valve is BKH-G1/4-1113; The model of described hydraulic manual Decompression valves is Qf-3.
Described monitoring host computer is for raising a day m3320n-00; The model of described serial converter is HY-813; The model of described data collecting card is Pci2312; The model of described digital pressure transducer is KYB2003; The model of described 4th to the 6th relay is SSR3DAH.
The invention has the beneficial effects as follows: the present invention adopts digital pressure transducer image data, and error is little, fluid pressure is converted into electrical signal by the present invention, acquisition rate is 1 time/s, automatic record, substantially increase the accuracy and objectivity that detect data, simultaneously by Active Eyes, tester can remote observation process of the test, compares analysis and record, save the time taking tester, be convenient to review and telemonitoring, energy autostore test data of the present invention, display test pressure and time relationship, test result is generated laboratory report list by the present invention automatically, test data directly can print report, realize the test data that unmanned intervention can obtain authority and effectiveness, make test data more accurate, intuitively, experimenter can have No leakage without the need to viewing test process packaging container, the pressure of generation automatically and time coordinate curve is relied on to get final product analysis design mothod result, determine to leak initial time and leak pressure size, there is surveillance video as reviewing file as foundation simultaneously, greatly strengthen the authority that experimental result judges, trackability.
Accompanying drawing explanation
Fig. 1 is hydraulic pressure monitoring unit theory diagram.
Fig. 2 is hydraulic pipe line unit schematic diagram.
In Fig. 1-2,21---water filter; 22---liquid booster pump; The fluid input port of 22-1---liquid booster pump; The fluid output port of 22-2---liquid booster pump; The control input end of 22-3---liquid booster pump; 23---water tank; 20-1---hydraulic pressure automatic stop valve; 20-2---hydraulic manual stop valve; 20-3---hydraulic high-pressure table; 20-4---hydraulic pressure automatic decompression valve; 20-5---hydraulic manual Decompression valves; 26---hydraulic pressure main line; 24---tested radar oil hydraulic cylinder; 100---hydraulic pressure monitoring unit.
Embodiment
From the embodiment shown in Fig. 1-2, the method for radar cylinder hydraulic test comprises the steps:
(1) build hydraulic pressure test control gear, comprise hydraulic pipe line unit and hydraulic pressure monitoring unit;
Described hydraulic pipe line unit comprises water tank 23, water filter 21, liquid booster pump 22 hydraulic pressure automatic stop valve 20-1, hydraulic manual stop valve 20-2, hydraulic high-pressure table 20-3, hydraulic pressure automatic decompression valve 20-4, hydraulic manual Decompression valves 20-5 and hydraulic pressure main line 26;
Described hydraulic pressure monitoring unit comprises monitoring host computer, display device, storage, serial converter, digital pressure transducer, data collecting card and the 4th to the 6th relay;
The output terminal of described water tank 23 is connected through the fluid input port 22-1 of described water filter 21 with described liquid booster pump 22;
The fluid output port 22-2 of described liquid booster pump 22 is connected with described hydraulic pressure main line 26 through described hydraulic pressure automatic stop valve 20-1, hydraulic manual stop valve 20-2 respectively;
Described hydraulic high-pressure table 20-3, hydraulic pressure automatic decompression valve 20-4, hydraulic manual Decompression valves 20-5, input end be connected with described hydraulic pressure main line 26 respectively;
The input end of tested radar oil hydraulic cylinder 24 is connected with described hydraulic pressure main line 26 through connecting head;
The input end of described digital pressure transducer is connected with described hydraulic pressure main line 26;
The output terminal of described digital pressure transducer connects the respective input of described monitoring host computer through described serial converter;
The input end of described display device and storage connects the corresponding output end of described monitoring host computer respectively;
The corresponding output end of monitoring host computer described in the control inputs termination of described data collecting card;
The control input end of described 4th to the 6th relay connects the corresponding control output end of described data collecting card respectively;
The electromagnetic coil of described hydraulic pressure automatic stop valve 20-1 connects the control output end of described 4th relay;
The electromagnetic coil of described hydraulic pressure automatic decompression valve 20-4 connects the control output end of described 5th relay;
The control output end of the 6th relay described in the control inputs termination of described liquid booster pump 22-3;
Described hydraulic pressure monitoring unit also comprises hydraulic pressure monitoring camera; Described hydraulic pressure monitoring camera is arranged on top, hydraulic test cabin; The corresponding port of monitoring host computer described in the output termination of described hydraulic pressure monitoring camera;
Described hydraulic pressure monitoring camera is 2, and described 2 hydraulic pressure monitoring cameras are arranged on top, described hydraulic test cabin diagonal opposite ends respectively;
Hydraulic pressure test cabin for hydraulic pressure test is the frame-shaped structure that can hold tested liquid cylinder pressure be welded, and after framework and bi-side are provided with protection cover plate, are provided with the door made with shield plate before framework;
(2) first by emptying in tested liquid cylinder pressure 24, then its inlet opening is connected with described hydraulic pressure test control gear by connecting head, tested liquid cylinder pressure 24 is placed in hydraulic pressure test cabin;
(3) hydraulic manual stop valve 20-2 and hydraulic pressure automatic stop valve 20-1 is closed;
(4) pressurize in tested liquid cylinder pressure 24 and test; Described liquid booster pump 22 produces the fluid pressure being not less than 500kPa, and liquid out injects hydraulic pipe line unit from liquid booster pump 22; (a) Non-follow control: open hydraulic branch hydraulic manual stop valve 20-2, hydraulic pressure test control gear pressurizes in tested liquid cylinder pressure 24; After being forced into the experimental pressure value of setting, close hydraulic manual stop valve 20-2, stop note pressure; The setting dwell time, open timer, press timer switch button, timer starts countdown, terminates when timer, and timer alarm tutorial light lights, and closes timer switch button; Open hydraulic manual Decompression valves 20-5, by pressure release in tested liquid cylinder pressure 24, experiment terminates; By observing on tested liquid cylinder pressure 24 whether have fluid seepage, judge its leakage situation; B () telecontrol, first sets hydraulic test force value, then connected the electromagnetic coil of hydraulic pressure automatic stop valve 20-1 by data capture card control the 4th relay, open hydraulic pressure automatic stop valve 20-1, pressurizes in tested liquid cylinder pressure 24; After the force value of observation display display reaches and sets hydraulic test force value, the setting dwell time, unit is second; Then click " beginning pressurize " button, now data capture card control the 4th relay disconnects the electromagnetic coil of hydraulic pressure automatic stop valve 20-1, closes hydraulic pressure automatic stop valve 20-1, and stop note pressure, the dwell time starts countdown; Digital pressure transducer gathers pressure signal simultaneously, and is showing over the display; Hydraulic pressure monitoring unit compares with the difference of the acquisition rate of 1 time/s by force value; Show endurance, pressure drop over the display; After countdown terminates, hydraulic pressure automatic decompression valve 20-4 opens automatically, and releasing pressure automatically in tested liquid cylinder pressure 24 is tested complete; By the pressure on observation display and time numerical relation, analyze the pressure in the dwell time and pressure reduction situation, thus judge the leakage situation of tested liquid cylinder pressure 24.
The model of described water filter 21 is FM200; The model of described hydraulic manual stop valve 20-2 is 3L310-10; The model of described hydraulic pressure automatic stop valve 20-1 is 4v210-80; The model of described hydraulic high-pressure table 20-3 is YB60; The model of described hydraulic pressure automatic decompression valve 20-4 is BKH-G1/4-1113; The model of described hydraulic manual Decompression valves 20-5 is Qf-3.
Described monitoring host computer is for raising a day m3320n-00; The model of described serial converter is HY-813; The model of described data collecting card is Pci2312; The model of described digital pressure transducer is KYB2003; The model of described 4th to the 6th relay is SSR3DAH.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to embodiment illustrated herein, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (3)
1. a method for radar cylinder hydraulic test, is characterized in that comprising the steps:
(1) build hydraulic pressure test control gear, comprise hydraulic pipe line unit and hydraulic pressure monitoring unit;
Described hydraulic pipe line unit comprises water tank (23), water filter (21), liquid booster pump (22) hydraulic pressure automatic stop valve (20-1), hydraulic manual stop valve (20-2), hydraulic high-pressure table (20-3), hydraulic pressure automatic decompression valve (20-4), hydraulic manual Decompression valves (20-5) and hydraulic pressure main line (26);
Described hydraulic pressure monitoring unit comprises monitoring host computer, display device, storage, serial converter, digital pressure transducer, data collecting card and the 4th to the 6th relay;
The output terminal of described water tank (23) is connected with the fluid input port (22-1) of described liquid booster pump (22) through described water filter (21);
The fluid output port (22-2) of described liquid booster pump (22) is connected with described hydraulic pressure main line (26) through described hydraulic pressure automatic stop valve (20-1), hydraulic manual stop valve (20-2) respectively;
Described hydraulic high-pressure table (20-3), hydraulic pressure automatic decompression valve (20-4), hydraulic manual Decompression valves (20-5), input end be connected with described hydraulic pressure main line (26) respectively;
The input end of tested radar oil hydraulic cylinder (24) is connected with described hydraulic pressure main line (26) through connecting head;
The input end of described digital pressure transducer is connected with described hydraulic pressure main line (26);
The output terminal of described digital pressure transducer connects the respective input of described monitoring host computer through described serial converter;
The input end of described display device and storage connects the corresponding output end of described monitoring host computer respectively;
The corresponding output end of monitoring host computer described in the control inputs termination of described data collecting card;
The control input end of described 4th to the 6th relay connects the corresponding control output end of described data collecting card respectively;
The electromagnetic coil of described hydraulic pressure automatic stop valve (20-1) connects the control output end of described 4th relay;
The electromagnetic coil of described hydraulic pressure automatic decompression valve (20-4) connects the control output end of described 5th relay;
The control output end of the 6th relay described in the control inputs termination of described liquid booster pump (22-3);
Described hydraulic pressure monitoring unit also comprises hydraulic pressure monitoring camera; Described hydraulic pressure monitoring camera is arranged on top, hydraulic test cabin; The corresponding port of monitoring host computer described in the output termination of described hydraulic pressure monitoring camera;
Described hydraulic pressure monitoring camera is 2, and described 2 hydraulic pressure monitoring cameras are arranged on top, described hydraulic test cabin diagonal opposite ends respectively;
(2) first by emptying in tested liquid cylinder pressure (24), then its inlet opening is connected with described hydraulic pressure test control gear by connecting head, tested liquid cylinder pressure (24) is placed in hydraulic pressure test cabin;
(3) hydraulic manual stop valve (20-2) and hydraulic pressure automatic stop valve (20-1) is closed;
(4) in tested liquid cylinder pressure (24), pressurization is tested; Described liquid booster pump (22) produces the fluid pressure being not less than 500kPa, and liquid out injects hydraulic pipe line unit from liquid booster pump (22);
(a) Non-follow control: open hydraulic branch hydraulic manual stop valve (20-2), hydraulic pressure test control gear is pressurization in tested liquid cylinder pressure (24); After being forced into the experimental pressure value of setting, close hydraulic manual stop valve (20-2), stop note pressure; The setting dwell time, open timer, press timer switch button, timer starts countdown, terminates when timer, and timer alarm tutorial light lights, and closes timer switch button; Open hydraulic manual Decompression valves (20-5), by tested liquid cylinder pressure (24) interior pressure release, experiment terminates; By observing on tested liquid cylinder pressure (24) whether have fluid seepage, judge its leakage situation; B () telecontrol, first sets hydraulic test force value, then connected the electromagnetic coil of hydraulic pressure automatic stop valve (20-1) by data capture card control the 4th relay, open hydraulic pressure automatic stop valve (20-1), pressurization in tested liquid cylinder pressure (24); After the force value of observation display display reaches and sets hydraulic test force value, the setting dwell time, unit is second; Then click " beginning pressurize " button, now data capture card control the 4th relay disconnects the electromagnetic coil of hydraulic pressure automatic stop valve (20-1), closes hydraulic pressure automatic stop valve (20-1), and stop note pressure, the dwell time starts countdown; Digital pressure transducer gathers pressure signal simultaneously, and is showing over the display; Hydraulic pressure monitoring unit compares with the difference of the acquisition rate of 1 time/s by force value; Show endurance, pressure drop over the display; After countdown terminates, hydraulic pressure automatic decompression valve (20-4) is opened automatically, and tested liquid cylinder pressure (24) interior releasing pressure automatically, tests complete; By the pressure on observation display and time numerical relation, analyze the pressure in the dwell time and pressure reduction situation, thus judge the leakage situation of tested liquid cylinder pressure (24).
2. the method for a kind of radar cylinder hydraulic test according to claim 1, is characterized in that: the model of described water filter (21) is FM200; The model of described hydraulic manual stop valve (20-2) is 3L310-10; The model of described hydraulic pressure automatic stop valve (20-1) is 4v210-80; The model of described hydraulic high-pressure table (20-3) is YB60; The model of described hydraulic pressure automatic decompression valve (20-4) is BKH-G1/4-1113; The model of described hydraulic manual Decompression valves (20-5) is Qf-3.
3. the method for a kind of radar cylinder hydraulic test according to claim 2, is characterized in that: described monitoring host computer is for raising a day m3320n-00; The model of described serial converter is HY-813; The model of described data collecting card is Pci2312; The model of described digital pressure transducer is KYB2003; The model of described 4th to the 6th relay is SSR3DAH.
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| CN104675804A (en) * | 2014-03-17 | 2015-06-03 | 南通爱慕希机械有限公司 | Comprehensive hydraulic cylinder performance testing system |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5295392A (en) * | 1992-03-26 | 1994-03-22 | Tech Team, Inc. | Pipe testing equipment |
| CN2325769Y (en) * | 1998-05-04 | 1999-06-23 | 石家庄铁路分局邯郸机务段 | Air-tightness pressure-preservation investigating instrument for diesel engine cylinder of internal combustion engine locomotive |
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Application publication date: 20151021 |