CN206531625U - A kind of buffer comprehensive performance testing system - Google Patents

A kind of buffer comprehensive performance testing system Download PDF

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Publication number
CN206531625U
CN206531625U CN201720197502.7U CN201720197502U CN206531625U CN 206531625 U CN206531625 U CN 206531625U CN 201720197502 U CN201720197502 U CN 201720197502U CN 206531625 U CN206531625 U CN 206531625U
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buffer
test
tested
experimental stand
comprehensive performance
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王成龙
邱志伟
曾庆良
陈萌
刘志海
马凡凡
孟昭胜
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Shandong University of Science and Technology
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Shandong University of Science and Technology
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Abstract

A kind of buffer comprehensive performance testing system, 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

A kind of buffer comprehensive performance testing system
Technical field
The utility model is related to a kind of test system, especially a kind of to be applied to train, subway, elevator, shock resistance hydraulic pressure The test system of the buffer combination property at a high speed, under big load percussion such as 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 this utility model be overcome weak point of the prior art there is provided one kind it is simple in construction, Easy to operate, good test effect buffer comprehensive performance testing system.
Technical scheme:Buffer comprehensive performance testing system of the present utility model, including:Experimental stand, placement data are adopted The workbench of collecting system, the top of described experimental stand is provided with percussion mechanism, and bottom is provided with the observing and controlling for laying tested buffer System, 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.
Beneficial effect:By adopting the above-described technical solution, the utility model can realize pressure in buffer buffering course, The all-round property testing of multiple physical quantitys such as flow, temperature, displacement, acceleration, by setting up buffer all-round property testing body System, with the measurement of target data, the collection of test data and place in the control of TT&C system completion process of the test, process of the test Reason, real-time display of test curve etc., were realized to whole action cycle intrinsic displacement, speed, acceleration of impactor etc. with the time Variation relation real-time monitoring, the performance parameter such as capacity, S. E. A., the cushion stroke of Validity Test buffer, for punching Hit the parameters such as pressure and flow and effective approach is provided to the affecting laws of impactor performance, fundamentally solve buffer The problem of calibrating of energy parameter, the course of work and structure composition to going deep into system research buffer improve design, the system of buffer Make, using and maintenance technology, with great practical meaning in engineering.For the innovative design of buffer, optimization and using providing Important 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 system architecture signal of the present utility model.
Fig. 2 is test system schematic block diagram of the present utility model.
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 utility model will be further described for embodiment in below in conjunction with the accompanying drawings:
As shown in figure 1, of the present utility model rush device comprehensive performance testing system, mainly by experimental stand 4, data acquisition system System 14, the workbench 15 for laying data collecting system 14, the flowmeter 10 of test, percussion mechanism and TT&C system are constituted, described Percussion mechanism be located at the top of experimental stand 4, the TT&C system is located at the bottom of experimental stand 4, the flowmeter 10 of test The side of experimental stand 4 is located at, for realizing the test to being tested fluid flow in buffer 5;Set on described TT&C system There is test protective cover 6, shield;Described tested buffer 5 is provided with acceleration transducer 12.Described data acquisition System 14 includes software and hardware two large divisions, and software section includes processing software, bumper property test software and test number According to 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.

Claims (5)

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).
2. a kind of buffer comprehensive performance testing system according to claim 1, it is characterised in that:Described percussion mechanism Including motor (1), steel wire rope (2), impact weights (3) and electromagnet (16), described motor (1) is located at experimental stand (4) Adsorbed in top, described impact weights (3) on electromagnet (16), steel wire rope (2) one end is connected with electromagnet (16), other one End is connected with motor (1) output shaft.
3. a kind of buffer comprehensive performance testing system according to claim 1, it is characterised in that:Described TT&C system Including displacement transducer (13), current transformer (17) and integrated package (7), institute's displacement sensors (13) are arranged on experimental stand (4) on, for realizing the test to being tested buffer offset;The current transformer (17) is fixed on integrated package (7), is used for The test to the coil current of magnetic rheology type buffer is realized, PS2 pressure sensors (8) that described integrated package (7) includes, PS1 pressure sensors (9) and temperature sensor (11), the PS2 pressure sensors (8), PS1 pressure sensors (9), temperature are passed Sensor (11), current transformer (17), flowmeter (10) and displacement transducer (13) one end respectively with tested buffer (5) phase Even, the other end is connected with data collecting system (14) respectively.
4. 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).
5. 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).
CN201720197502.7U 2017-03-01 2017-03-01 A kind of buffer comprehensive performance testing system Active CN206531625U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018157678A1 (en) * 2017-03-01 2018-09-07 山东科技大学 Overall performance test system for buffer and method thereof
CN110631796A (en) * 2019-10-09 2019-12-31 中国铁建重工集团股份有限公司 Testing device
CN112524993A (en) * 2020-12-01 2021-03-19 中国人民解放军陆军工程大学 Breechblock buffer detection device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018157678A1 (en) * 2017-03-01 2018-09-07 山东科技大学 Overall performance test system for buffer and method thereof
CN110631796A (en) * 2019-10-09 2019-12-31 中国铁建重工集团股份有限公司 Testing device
CN110631796B (en) * 2019-10-09 2022-03-29 中国铁建重工集团股份有限公司 Testing device
CN112524993A (en) * 2020-12-01 2021-03-19 中国人民解放军陆军工程大学 Breechblock buffer detection device

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