CN107063617A - A kind of buffer comprehensive performance testing system and its method - Google Patents
A kind of buffer comprehensive performance testing system and its method Download PDFInfo
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- CN107063617A CN107063617A CN201710118492.8A CN201710118492A CN107063617A CN 107063617 A CN107063617 A CN 107063617A CN 201710118492 A CN201710118492 A CN 201710118492A CN 107063617 A CN107063617 A CN 107063617A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of buffer comprehensive performance testing system and its method, it is adaptable to the test of the buffer combination property at a high speed, under big load percussion.System includes experimental stand, the top of experimental stand is provided with percussion mechanism, and bottom is provided with the TT&C system for laying tested buffer, and the side of experimental stand, which is provided with, to be used to realize the flowmeter to being tested the test of fluid flow in buffer;By setting up buffer all-round property testing system, with the measurement of target data, the collection of test data and processing, the real-time display of test curve in the control of test system completion process of the test, process of the test, realize the real-time monitoring for the relation that changed with time to whole action cycle intrinsic displacement, speed, the acceleration of impactor, the capacity of Validity Test buffer, S. E. A., cushion stroke, pair determine the kinematics and dynamic law of impact process, determine that the parameters such as surge and flow provide effective approach to the affecting laws of impactor performance.
Description
Technical field
It is especially a kind of to be applied to train, subway, elevator, shock resistance the present invention relates to a kind of test system and its method
The test system and its method of the buffer combination property at a high speed, under big load percussion such as hydraulic support, crane.
Background technology
At present under the high speed such as train, subway, elevator, shockroof hydraulic chocks, crane, big load percussion
The parameters such as degree, instantaneous internal pressure, displacement, stress change with time the real-time monitoring of relation, it is established that a combination property
Test system, fundamentally solves the problem of calibrating of performance parameter, is to determine the kinematics and dynamic law of impact process, be
Design and improvement provide important reference frame, are the key issues that must be solved at present.
For the performance test of the liquid-gas type buffer under above-mentioned high speed, big load percussion, existing test
Scheme be mainly complete to be tested buffer function qualitative evaluation, still lack to temperature, instantaneous internal pressure, displacement, by
The integration test of the parameters such as power, it is impossible to provide the performance parameter data of quantification for the innovative design of buffer.
The content of the invention
Technical problem:The purpose of the present invention be overcome weak point of the prior art there is provided one kind it is simple in construction, operation
Convenient, the buffer comprehensive performance testing system of good test effect and its method.
Technical scheme:The buffer comprehensive performance testing system of the present invention, including:Experimental stand, placement data acquisition system
The workbench of system, the top of described experimental stand is provided with percussion mechanism, and bottom is tested the TT&C system of buffer provided with laying,
The side of experimental stand, which is provided with, to be used to realize the flowmeter to being tested the test of fluid flow in buffer;
Described percussion mechanism includes motor, steel wire rope, impact weights and electromagnet, and described motor is located at experimental stand
Top, adsorb on electromagnet in described impact weights, steel wire rope one end is connected with electromagnet, other one end is exported with motor
Axle is connected;
Described TT&C system includes displacement transducer, current transformer and integrated package, and institute's displacement sensors are arranged on
On experimental stand, for realizing the test to being tested buffer offset;The current transformer is fixed on integrated package, for reality
Now to the test of the coil current of magnetic rheology type buffer, PS2 pressure sensors that described integrated package includes, PS1 pressure are passed
Sensor and temperature sensor, the PS2 pressure sensors, PS1 pressure sensors, temperature sensor, current transformer, flowmeter
It is connected respectively with tested buffer with displacement transducer one end, the other end is connected with data collecting system respectively.
Described TT&C system is provided with test protective cover.
Described tested buffer is provided with acceleration transducer.
A kind of buffer all-round property testing method of use said system, comprises the following steps:
A. tested buffer is installed on the test platform in test-bed, connects TT&C system, set impulsive force,
Adjust data collecting system;
B. electromagnet, which is powered, adsorbs impact weights, after the drive of motor is issued to setting impact stroke, controls electromagnet
Power-off, impact weights free-falling starts to accelerate under gravity, impact is located at the tested buffer of underface;
C. TT&C system is started working:
The displacement of the tested buffer measured in real time by displacement transducer, and signal is passed into controller, adopted through data
Truck and processing software are input to bumper property test software and handled;
By PS2 pressure sensors and PS1 pressure sensors measure in real time respectively since buffering when and buffering course in
System pressure in tested buffer, and test signal is input to buffering through Multi-channel multifunctional data collecting card and processing module
Device Performance measurement software is handled;
Measure the temperature in impact process in real time by temperature sensor, and test signal is adopted through Multi-channel multifunctional data
Truck and processing module are input to bumper property test software and handled;
Measure the flow that fluid in buffer is tested in impact process in real time by flowmeter, and will be surveyed by digital analog converter
Trial signal is input to bumper property test software through Multi-channel multifunctional data collecting card and processing module and handled;
Measure the coil current of magnetic rheology type buffer in real time by current transformer, and test signal is more through multichannel
Performance data capture card and processing module are input to bumper property test software and handled;
Measure the acceleration in impact process in real time by acceleration transducer, and through multichannel data sampled data capture card and
Processing software is input to bumper property test software and handled;
By bumper property test software handled after data enter test database, by computer to impactor
The whole action cycle in pressure, flow, displacement, speed, the parameter of the acceleration relation that changes with time monitor in real time, in real time
Show test curve;
D. after buffering terminates, controlled motor drives steel wire rope electromagnet is moved downward until fully being connect with impact weights
Touch;
E. control electromagnet is powered, and holds impact weights, and controlled motor reversion passes through rope belt motor magnet and impact
Weight is moved upwardly together, and is stopped after reaching setting impact stroke, prepares experiment impact next time.
Beneficial effect:By adopting the above-described technical solution, pressure in buffer buffering course, stream can be achieved in the present invention
The all-round property testing of multiple physical quantitys such as amount, temperature, displacement, acceleration, by setting up buffer all-round property testing system,
With the measurement of target data, the collection of test data and processing, survey in the control of TT&C system completion process of the test, process of the test
Real-time display of curve etc. is tried, realization changes with time to whole action cycle intrinsic displacement, speed, acceleration of impactor etc.
The real-time monitoring of relation, the performance parameter such as capacity, S. E. A., the cushion stroke of Validity Test buffer, is surge
Effective approach is provided to the affecting laws of impactor performance with the parameter such as flow, bumper property parameter is fundamentally solved
Problem of calibrating, the course of work and structure composition to going deep into system research buffer improve the design of buffer, manufacture, answered
With and maintenance technology, with great practical meaning in engineering.For the innovative design of buffer, optimize and important using providing
Technical support.Compared with prior art, major advantage has:
1) the whole cycle intrinsic displacement to impactor, speed, acceleration, temperature, instantaneous internal pressure, position can be completed
The parameters such as shifting, stress change with time the real-time monitoring of relation, it is established that an all-round property testing system, to determine impact
The kinematics and dynamic law of process, be design and improve important reference frame is provided;
2) using " automatic test " and " manual test " two kinds of mode of operations, it can be needed to select automatic or hand according to test
It is dynamic, after the completion of impact test.Buffer dynamic characteristic is generated through computer software processing.
Brief description of the drawings
Fig. 1 is the system architecture signal of the present invention.
Fig. 2 is the test system schematic block diagram of the present invention.
Fig. 3 is the control method flow signal of the present invention.
In figure:Motor -1, steel wire rope -2, impact weights -3, experimental stand -4 are tested buffer -5, test protective cover -6,
Integrated package -7, PS2 pressure sensor -8, PS1 pressure sensor -9, flowmeter -10, temperature sensor -11, acceleration sensing
Device -12, displacement transducer -13, data collecting system -14, workbench -15, electromagnet -16, current transformer -17.
Embodiment
The invention will be further described for embodiment in below in conjunction with the accompanying drawings:
As shown in figure 1, the present invention's rushes device comprehensive performance testing system, mainly by experimental stand 4, data collecting system
14th, workbench 15, the flowmeter 10 of test, percussion mechanism and the TT&C system for laying data collecting system 14 are constituted, described
Percussion mechanism is located at the top of experimental stand 4, and the TT&C system is located at the bottom of experimental stand 4, and the flowmeter 10 of test is set
In the side of experimental stand 4, for realizing the test to being tested fluid flow in buffer 5;Described TT&C system is provided with
Protective cover 6 is tested, is shielded;Described tested buffer 5 is provided with acceleration transducer 12.Described data acquisition system
System 14 includes software and hardware two large divisions, and software section includes processing software, bumper property test software and test data
Storehouse;Hardware components include data collecting card, digital analog converter, computer.
Described percussion mechanism includes motor 1, steel wire rope 2, impact weights 3 and electromagnet 16, and described motor 1 is located at reality
Test and adsorbed in the top of stand 4, described impact weights 3 on electromagnet 16, the one end of steel wire rope 2 is connected with electromagnet 16, not
One end is connected with the output shaft of motor 1.
Described TT&C system includes displacement transducer 13, current transformer 17 and integrated package 7, institute's displacement sensors 13
On experimental stand 4, for realizing the test to being tested buffer offset;The current transformer 17 is fixed on integrated package
On 7, the test for realizing the coil current to magnetic rheology type buffer, the PS1 pressure sensors that described integrated package 7 includes
9th, PS2 pressure sensors 8 and temperature sensor 11.
As shown in Fig. 2 the PS2 pressure sensors 8, PS1 pressure sensors 9, temperature sensor 11, current transformer
17th, the input of flowmeter 10, displacement transducer 13 and acceleration transducer 12 is connected with tested buffer 5 respectively, PS1 pressure
Sensor 9, PS2 pressure sensors 8, temperature sensor 11, current transformer 17 output end respectively with Multi-channel multifunctional number
It is connected according to capture card, the output end of flowmeter 10 is connected after being grown up to be a useful person through digital-to-analogue conversion with Multi-channel multifunctional data collecting card, leads to more
After the output end of road multifunctional data acquisition card handles signal through signal processing module, bumper property test is transferred to soft
Part, is transmitted further to test database.Described Multi-channel multifunctional data collecting card is 6-10 channel multi-functional data collecting cards,
Example is 8 channel multi-functional data collecting cards in figure.The output end of displacement transducer 13 transmits a signal to controller, data and adopted
After truck and signal processing module processing, bumper property test software is transferred to, test database is transmitted further to.Acceleration is passed
The output end of sensor 12 transmits a signal to multichannel data sampled data capture card, then after being handled through signal processing software with transmission
Bumper property test software is given, test database is transmitted further to.Described multichannel data sampled data capture card is 3-5 ways
According to sampled data capture card, example is 4 circuit-switched data sampled data capture cards in figure.
The buffer all-round property testing method of the present invention, is comprised the following steps that:
A. tested buffer 5 is installed on the test platform in test-bed 4, connects TT&C system, empirically
Impulsive force needed for setting is sought, data collecting system 14 is adjusted;
B. the setting to parameters such as impact velocity, impact stroke, interval times is completed by bumper property test software,
Selection:" automatic test " button or " manual test " button, are clicked on after " start button ", and electromagnet 16, which is powered, adsorbs impact weights
3, after the drive of motor 1 is issued to setting impact stroke, control electromagnet power-off 16, the free-falling of impact weights 3, in gravity
Start to accelerate under effect, impact is located at the tested buffer 5 of underface;
C. TT&C system is started working:
Displacement (cushion stroke) signal of the tested buffer 5 measured in real time by displacement transducer 13 passes to controller,
Bumper property test software is input to through data collecting card and dedicated processes software again to be handled;
By PS2 pressure sensors 8 and PS1 pressure sensors 9 measure in real time respectively since buffering when and buffering course
In be tested buffer 5 system pressure signal, through 8 channel multi-functional data collecting cards and processing module processing after be input to buffering
Device Performance measurement software is handled;
Temperature signal in temperature sensor 11 in real time measurement impact process, through 8 channel multi-functional data collecting cards and
Processing module is input to bumper property test software and handled;
Measure the flow signal that fluid in buffer 5 is tested in impact process in real time by flowmeter 10, pass through digital-to-analogue conversion
Device is input at bumper property test software after being transferred to 8 channel multi-functional data collecting cards and processing module processing
Reason;
The coil current signal of magnetic rheology type buffer is measured in real time by current transformer 17, through 8 channel multi-functional numbers
Handled according to bumper property test software is input to after capture card and processing module processing;
Acceleration signal in the impact process measured in real time by acceleration transducer 12, is adopted through 4 circuit-switched data sampled datas
Bumper property test software is input to after truck and processing software processing to be handled;
By bumper property test software handled after data enter test database, by computer to impactor
The whole action cycle in pressure, flow, displacement, speed, the parameter of the acceleration relation that changes with time monitor in real time, in real time
Show test curve;Click on after " test result printing ", bumper property test software calculate automatically the capacity of buffer with
The parameter of absorptivity, and export " pressure versus time " curve, " current-time " curve, " Velocity-time " curve, " acceleration-when
Between " curve, " Temperature-time " curve;By the result of test can pair determination buffer dynamic characteristic, kinematics and dynamics
Rule provides paper foundation and reference;
D. after buffering terminates, controlled motor 1 drives steel wire rope 2 to move downward electromagnet 16 to fill until with impact weights 16
Tap is touched;
E. control electromagnet 16 is powered, and holds impact weights 3, controlled motor 1 is inverted, by steel wire rope 2 with motor magnet
16 and impact weights 3 move upwardly together, reach setting impact stroke after stop, prepare next time experiment impact.
Claims (6)
1. a kind of buffer comprehensive performance testing system, it is characterised in that:Test system includes:Experimental stand (4), placement data
The workbench (15) of acquisition system (14), the top of described experimental stand (4) is provided with percussion mechanism, and bottom is tested provided with laying
The TT&C system of buffer, the side of experimental stand (4), which is provided with, to be used to realize to being tested the test of fluid flow in buffer
Flowmeter (10);
Described percussion mechanism includes motor (1), steel wire rope (2), impact weights (3) and electromagnet (16), described motor (1)
It is located in the top of experimental stand (4), described impact weights (3) and adsorbs on electromagnet (16), steel wire rope (2) one end and electricity
Magnet (16) is connected, and other one end is connected with motor (1) output shaft;
Described TT&C system includes displacement transducer (13), current transformer (17) and integrated package (7), institute's displacement sensors
(13) it is arranged on experimental stand (4), for realizing the test to being tested buffer offset;The current transformer (17) is fixed
On integrated package (7), the test for realizing the coil current to magnetic rheology type buffer, what described integrated package (7) included
PS2 pressure sensors (8), PS1 pressure sensors (9) and temperature sensor (11), the PS2 pressure sensors (8), PS1 pressures
Force snesor (9), temperature sensor (11), current transformer (17), flowmeter (10) and displacement transducer (13) one end difference
It is connected with tested buffer (5), the other end is connected with data collecting system (14) respectively.
2. a kind of buffer comprehensive performance testing system according to claim 1, it is characterised in that:Described TT&C system
Provided with test protective cover (6).
3. a kind of buffer comprehensive performance testing system according to claim 1, it is characterised in that:Described tested buffering
Device (5) is provided with acceleration transducer (12).
4. a kind of buffer all-round property testing method of system according to claim 1, it is characterised in that including following step
Suddenly:
A. tested buffer (5) is installed on the test platform in test-bed (4), connects TT&C system, setting impact
Power, regulation data collecting system (14);
B. electromagnet (16), which is powered, adsorbs impact weights (3), after the drive of motor (1) is issued to setting impact stroke, control
Electromagnet powers off (16), impact weights (3) free-falling, starts to accelerate under gravity, and impact is located at the tested of underface
Buffer (5);
C. TT&C system is started working:
The displacement of the tested buffer (5) measured in real time by displacement transducer (13), and signal is passed into controller, through data
Capture card and processing software are input to bumper property test software and handled;
By PS2 pressure sensors (8) and PS1 pressure sensors (9) measure in real time respectively since buffering when and buffering course
In be tested system pressure in buffer (5), and test signal is inputted through Multi-channel multifunctional data collecting card and processing module
To bumper property test software;
Temperature in temperature sensor (11) in real time measurement impact process, and test signal is adopted through Multi-channel multifunctional data
Truck and processing module are input to bumper property test software and handled;
Measure the flow that buffer (5) interior fluid is tested in impact process in real time by flowmeter (10), and pass through digital analog converter
Test signal is input into bumper property test software through Multi-channel multifunctional data collecting card and processing module to be handled;
Measure the coil current of magnetic rheology type buffer in real time by current transformer (17), and test signal is more through multichannel
Performance data capture card and processing module are input to bumper property test software and handled;
Measure the acceleration in impact process in real time by acceleration transducer (12), and through multichannel data sampled data capture card and
Processing software is input to bumper property test software and handled;
By bumper property test software handled after data enter test database, by computer to the whole of impactor
Pressure in the individual action cycle, flow, displacement, speed, the parameter of the acceleration relation that changes with time are monitored in real time, display in real time
Test curve;
D. buffering terminate after, controlled motor (1) drive steel wire rope (2) make electromagnet (16) move downward until and impact weights
(16) fully contact;
E. control electromagnet (16) is powered, and holds impact weights (3), and controlled motor (1) reversion drives electricity by steel wire rope (2)
Magnet (16) and impact weights (3) are moved upwardly together, and are stopped after reaching setting impact stroke, prepare experiment impact next time.
5. buffer all-round property testing method according to claim 4, it is characterised in that:Described Multi-channel multifunctional
Data collecting card is 6-10 channel multi-functional data collecting cards.
6. buffer all-round property testing method according to claim 4, it is characterised in that:Described multichannel data sampling
Data collecting card is 3-5 circuit-switched data sampled data capture cards.
Priority Applications (2)
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CN201710118492.8A CN107063617A (en) | 2017-03-01 | 2017-03-01 | A kind of buffer comprehensive performance testing system and its method |
PCT/CN2018/073911 WO2018157678A1 (en) | 2017-03-01 | 2018-01-24 | Overall performance test system for buffer and method thereof |
Applications Claiming Priority (1)
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CN201710118492.8A CN107063617A (en) | 2017-03-01 | 2017-03-01 | A kind of buffer comprehensive performance testing system and its method |
Publications (1)
Publication Number | Publication Date |
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CN107063617A true CN107063617A (en) | 2017-08-18 |
Family
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CN201710118492.8A Withdrawn CN107063617A (en) | 2017-03-01 | 2017-03-01 | A kind of buffer comprehensive performance testing system and its method |
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WO (1) | WO2018157678A1 (en) |
Cited By (10)
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CN107826922A (en) * | 2017-11-30 | 2018-03-23 | 广东省特种设备检测研究院珠海检测院 | A kind of Elevator hydraulic buffer resetting time measurement apparatus and method |
WO2018157678A1 (en) * | 2017-03-01 | 2018-09-07 | 山东科技大学 | Overall performance test system for buffer and method thereof |
CN108827800A (en) * | 2018-07-24 | 2018-11-16 | 天津鼎成高新技术产业有限公司 | A kind of Falling object protective structure detection experimental rig |
CN109269821A (en) * | 2018-10-17 | 2019-01-25 | 中国人民解放军63921部队 | A kind of test method of large size high energy buffer |
CN110702395A (en) * | 2019-10-22 | 2020-01-17 | 浙江西沃电梯有限公司 | Elevator buffer performance detection device |
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CN118641132B (en) * | 2024-08-13 | 2024-11-08 | 南通市通胜汽车部件科技有限公司 | Buffer plate performance test method and system based on intelligent pressure regulation |
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