CN202939045U - Double-acting durability test bed for vibration absorber - Google Patents
Double-acting durability test bed for vibration absorber Download PDFInfo
- Publication number
- CN202939045U CN202939045U CN2012202778413U CN201220277841U CN202939045U CN 202939045 U CN202939045 U CN 202939045U CN 2012202778413 U CN2012202778413 U CN 2012202778413U CN 201220277841 U CN201220277841 U CN 201220277841U CN 202939045 U CN202939045 U CN 202939045U
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- vibration damper
- durability test
- test bed
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- 238000012360 testing method Methods 0.000 title claims abstract description 44
- 239000006096 absorbing agent Substances 0.000 title claims abstract 10
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000010287 polarization Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims 2
- 238000002474 experimental method Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 238000011056 performance test Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000002518 antifoaming agent Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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Abstract
The utility model relates to a double-acting durability test bed for a vibration absorber. The double-acting durability test bed comprises an upper vibration exciter with an upper crankshaft and connecting rod mechanism and a lower vibration exciter with a lower crankshaft and connecting rod mechanism, wherein the upper crankshaft and connecting rod mechanism is connected with a swinging device which is connected with a rod part of a vibration absorber to be detected through a pressure sensor; the up-down polarization movement of the swinging device is realized by the upper crankshaft and connecting rod mechanism; the lower crankshaft and connecting rod mechanism is connected with a lower connecting base which is connected with a cylinder part of the vibration absorber to be detected; the up-down polarization movement of the lower connecting base is realized by the lower crankshaft and connecting rod mechanism; a rotary cylinder is mounted on the swinging device and drives a vibration absorber sample to swing in a reciprocating manner through a pull rod; a lateral cylinder is mounted at the cylinder part of the vibration absorber to be detected; and a piston rod of the lateral cylinder is arranged towards the cylinder part of the vibration absorber. The double-acting durability test bed can accord with some special vibration absorbers to do durability tests and can provide more accurate and reliable data.
Description
Technical field
It is two moving durability test bed that the utility model relates to a kind of vibration damper, relates to specifically a kind of test unit for testing automobile vibration damper endurance quality.
Background technology
Vibration damper is two moving durability test bed, is that the simulation vibration damper is at a kind of endurance quality testing equipment of automobile practical working situation.And simultaneously vibration damper is done the performance degradation monitoring in the test of vibration damper endurance quality.
The vibration damper pilot development of early stage China is to do the endurance quality test on automobile, drives ceaselessly to do experiment at specific field experiment, and 1,000,000 needs long time and the bad observation of actual conditions, test.Had afterwards the durability test bed automobile that replaces of single action to do experiment, but the durability test bed excited frequency of single action is low, the test period is long, can not the realistic simulation automobile in the situation of real road.Had afterwards more two moving durability test bedly, but its function and performance have many defectives, such as: the stroke of test sample is little, can not satisfy more vibration damper sample holder endurance quality test; The side force that sample applies can not be tested and show, can accurately not reflect all stressing conditions of sample; Moreover existing testing table on it moving installing plate can not regulate, can only regulate lower moving plate, and can not fix after regulating, scope, the degree of accuracy of test all are a greater impact; Bosh moves together with vibration damper, also can cause certain influence to the accuracy of test figure.
The utility model content
For the problems referred to above, the purpose of this utility model is to provide a kind of detection and control mode is comprehensive, accurate vibration damper is two moving durability test bed.
The technical solution of the utility model is: comprising:
The one upper vibrator with upper toggle connects a pendulous device on described upper toggle, pendulous device connects the bar section of vibration damper to be measured by pressure transducer, and described upper toggle is realized the motion of polarization up and down of pendulous device;
The one lower vibrator with another lower crank linkage assembly connects a lower connecting base on described lower crank linkage assembly, lower connecting base connects the cylinder section of vibration damper to be measured, and described lower crank linkage assembly is realized the motion of polarization up and down of lower connecting base;
A side direction cylinder is installed in cylinder section position at vibration damper to be measured, and the piston rod of side direction cylinder is towards vibration damper cylinder section;
One cooling system comprises cooling water pipe assembly, muddy water pump and is enclosed within the outer bosh of vibration damper cylinder.
Described upper toggle: comprise the upper driving motor, the upper driving motor makes up eccentric disc in transmission by upper gear box, and upper eccentric disc drives the up and down polarization motion of upper moving installing plate by upper moving connecting rod.
Described lower crank linkage assembly: comprise the underdrive motor, the underdrive motor makes up eccentric disc under transmission by lower transmission case, and lower eccentric disc drives lower moving plate up and down polarization motion by lower moving connecting rod, and described lower connecting base is connected on lower moving plate.
Be provided with the leading screw of regulating upper moving installing plate upper-lower position on described moving installing plate.
Be provided with in described upper eccentric disc the position adjustable with upper eccentric shoe that be connected connecting rod and connect, be provided with in described lower eccentric disc the position adjustable with the lower eccentric shoe that is connected connecting rod to connect.
Be connected with pressure transducer on described pendulous device.
Respectively be provided with a scrambler in described upper and lower exciting.
The other three look warning devices that are provided with of described upper exciting.
Described moving installing plate, upper moving plate both sides are if the upper guiding mechanism that upper moving installing plate, upper moving plate move up and down.
Described lower moving plate both sides are if the lower guide mechanism that lower moving plate moves up and down.
The utility model utilizes upper and lower eccentric wheel both can make double-acting endurance, can do performance test again.Performance test comprises shows merit test, velocity characteristic, temperature characterisitic, anti-foam characteristic etc.TT﹠C system of the present utility model is comprised of several parts such as data collecting card, industrial computer, printer, peripheral sensor, signal conversion isolation module, auxiliary reclay, solenoid valve, motor, frequency converter, well heater, oiling machine, alarm lamps.The software of native system is comprised of man-machine interface, manual control module, performance test module, long duration test module, systematic parameter setting module, signal sampling and processing module, motor motion control module, muddy water temperature control modules, side force control module, transducer calibration module, test parameters setting module, test findings demonstration and processing module etc.
The utility model has the advantages that: the stroke of vibration damper lengthens by design, require different according to the sample stroke, upper eccentric shoe in adjusting in eccentric disc can increase or reduce upper polarization amplitude, the lower eccentric shoe of regulating in lower eccentric disc can increase or reduce lower polarization amplitude, just can realize that generally stroke lengthens or shortens, maximum can be increased to 120mm, more meets some special vibration damper and does the endurance quality test; When doing experiment, vibration damper bears the side tension of frequency conversion, ± 30 ° of connecting rod rotations, and the power value is delivered to disposal system after by the sensor collection and is processed simultaneously; Grating encoder detects bearing rotating speed and the position in bearing seat, and data are more accurately reliable; Bosh maintains static, do not take exercises together with vibration damper, can not impact test figure: the function of software is more powerful, has increased the functions such as load-position diagram F-S, speed characteristic figure F-V, temperature characteristics figure F-t, anti-foam characteristic on original function.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the side view of figure one.
Fig. 3 is the front view of upper moving combination.
Fig. 4 is the front view of lower moving combination.
in figure, 1 is speed measuring coder, 2 is upper eccentric disc, 3 is three look warning devices, 4 is upper moving installing plate, 5 is pressure transducer, 6 is the cooling water pipe assembly, 7 is the side force cylinder, 8 is tested vibroshock, 9 is Connection Block, 10 is lower moving plate, 11 is electrical control cubicles, 12 is the valve group, 13 is temperature measuring equipment, 14 are the gas pressure transducer, 15 is oscillating cylinder, 16 is upper moving connecting rod, 17 is protective cover, 18 is fuselage, 19 are the upper gear box combination, 20 is lubricating system, 21 is the upper driving motor, 22 is the underdrive motor, 23 is the muddy water pump, 24 is cooling water recirculation system, 25 are the lower transmission case combination, 26 is bosh, 27 is screw mandrel, 28 is upper guiding mechanism I, 29 are the lower guide mechanism II of living, 30 is lower moving connecting rod, 31 is upper moving plate.
Embodiment
As shown in the figure, fuselage 18 outer Monday of side is established lubricating system 20, and opposite side is established valve group 12 and gas pressure sensor 14, and the top guard shield 17 of setting up defences is established upper driving motor 21 and underdrive motor 22 in fuselage 18; Upper driving motor 21 is with by V the upper gear box combination 19 that is in transmission connection, upper gear box combination 19 output shafts are fixedly connected with the upper eccentric disc 2 in upper gear box combination 19, speed measuring coder 1 is established in upper gear box combination 19, an end that connects upper moving connecting rod 16 on upper eccentric disc 2, the other end of upper moving connecting rod 16 connects the upper moving installing plate 4 in upper moving combination, upper moving installing plate 4 one sides are established oscillating cylinder 15, can realize 8 ± 30 ° of reciprocally swingings of tested vibroshock.Arrange a plurality of hanger seats on upper moving installing plate 4, articulate a plurality of pressure transducers 5 on the hanger seat, connect the bar section of tested vibration damper 8 by pressure transducer 5.Upper moving combination one side arranges three look warning devices 3, when testing machine breaks down, and three look warning devices 3 meeting automatic alarms, opposite side is established temperature measuring equipment 13.
For adapting to the different length of tested vibration damper 8, and in upper moving combination, leading screw 27 is set, the nut in adjusting screw 27 can be realized.
In upper moving combination, upper guiding mechanism I 28 is connected with upper moving installing plate 4, after fastening nuts in leading screw 27, upper moving installing plate 4, upper moving plate 31 just form a fixture with upper guiding mechanism I 28, make up and down reciprocatingly polarization motion under the guiding that is combined in guiding mechanism I 28.
Underdrive is arranged on the below of fuselage 18 corresponding to upper driving, and underdrive also comprises underdrive motor 22, lower transmission case combination 25, and lower moving combination, lower moving plate 10, Connection Block 9 compositions such as grade are not done structural giving unnecessary details at this.In lower moving combination, an end of lower moving connecting rod 30 in the middle of lower moving plate 10, two ends are connected to fuselage 18 by lower guide mechanism II 29.The rotation of lower eccentric disc drives lower moving plate 10 and does up and down polarization motion, and Connection Block 9 is connected bottom the vibration damper urceolus, in the vibration damper urceolus, side force cylinder 7 is set, and establishes cooling water pipe assembly 6 in fuselage 18 near the position of vibration damper.Enclose bosh 26 outside vibration damper cylinder section, bosh 26 maintains static, motion together with tested vibration damper 8.
According to above-mentioned situation as can be known, because two driven by motor are arranged, so not only a plurality of vibration dampers can be set on a double-acting endurance platform, can also carry out separately upper exciting or lower exciter test by many vibration dampers, or synchronously carry out upper and lower exciter test.
This testing table also is furnished with cooling water recirculation system 24, comprises muddy water pump 23 and cooling water pipe assembly 6, is generally water cooling, and specific (special) requirements can be cooling for muddy water, absorbs with this heat that vibration damper acting is produced.
This testing table also is furnished with HMI (electrical control cubicles 11) man-machine interface, and electrical control cubicles 11 arranges display part and industrial computer part.Can set upper in the durability test process of tested vibration damper 8.The parameters such as the number of times of lower exciting, speed, side force, side force load time, swing load time, and can by the damage situations of sensor passes vibration damper, draw lifetime limitation.
In sum, this testing table can be at upper and lower exciting agency, and side force mechanism is under the collaborative work of cooling system and reciprocating rotary swinging mechanism, the actual road conditions of comprehensive simulation, the damage situations of realistic simulation vibration damper and middlely simultaneously the damper base performance degradation being monitored vibration damper is durable.What deserves to be explained is; above-described embodiment only is used for explanation the utility model; wherein the structure of each parts, connected mode etc. are all can be vicissitudinous; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement all should be not precluded within outside protection domain of the present utility model.
Claims (1)
1. a vibration damper is two moving durability test bed, it is characterized in that, comprising:
The one upper vibrator with upper toggle connects a pendulous device on described upper toggle, pendulous device connects the bar section of vibration damper to be measured by pressure transducer, and described upper toggle is realized the motion of polarization up and down of pendulous device;
The one lower vibrator with another lower crank linkage assembly connects a lower connecting base on described lower crank linkage assembly, lower connecting base connects the cylinder section of vibration damper to be measured, and described lower crank linkage assembly is realized the motion of polarization up and down of lower connecting base;
A side direction cylinder is installed in cylinder section position at vibration damper to be measured, and the piston rod of side direction cylinder is towards vibration damper cylinder section;
One cooling system comprises cooling water pipe assembly, muddy water pump and is enclosed within the outer bosh of vibration damper cylinder.
2, a kind of vibration damper according to claim 1 is two moving durability test bed, it is characterized in that, described upper toggle: comprise the upper driving motor, the upper driving motor makes up eccentric disc in transmission by upper gear box, and upper eccentric disc drives the up and down polarization motion of upper moving installing plate by upper moving connecting rod;
Described lower crank linkage assembly: comprise the underdrive motor, the underdrive motor makes up eccentric disc under transmission by lower transmission case, and lower eccentric disc drives lower moving plate up and down polarization motion by lower moving connecting rod, and described lower connecting base is connected on lower moving plate.
3, a kind of vibration damper according to claim 2 is two moving durability test bed, it is characterized in that, is provided with the leading screw of regulating upper moving installing plate upper-lower position on described moving installing plate.
4, a kind of vibration damper according to claim 2 is two moving durability test bed, it is characterized in that, be provided with in described upper eccentric disc the position adjustable with upper eccentric shoe that be connected connecting rod and connect, be provided with in described lower eccentric disc the position adjustable with the lower eccentric shoe that is connected connecting rod to connect.
5, a kind of vibration damper according to claim 1 is two moving durability test bed, it is characterized in that, is connected with pressure transducer on described pendulous device.
6, a kind of vibration damper according to claim 1 is two moving durability test bed, it is characterized in that, respectively is provided with a scrambler in described upper and lower exciting.
7, a kind of vibration damper according to claim 1 is two moving durability test bed, it is characterized in that the other three look warning devices that are provided with of described upper exciting.
8. according to claim 1 and 2 or 3 described vehicle shock absorbers are two moving durability test bed, it is characterized in that, described moving installing plate, upper moving plate both sides are if the upper guiding mechanism that upper moving installing plate, upper moving plate move up and down.
9, according to claim 1 and 2 or 3 described vehicle shock absorbers are two moving durability test bed, it is characterized in that, described lower moving plate both sides are if the lower guide mechanism that lower moving plate moves up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202778413U CN202939045U (en) | 2012-06-13 | 2012-06-13 | Double-acting durability test bed for vibration absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202778413U CN202939045U (en) | 2012-06-13 | 2012-06-13 | Double-acting durability test bed for vibration absorber |
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| Publication Number | Publication Date |
|---|---|
| CN202939045U true CN202939045U (en) | 2013-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202778413U Expired - Fee Related CN202939045U (en) | 2012-06-13 | 2012-06-13 | Double-acting durability test bed for vibration absorber |
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| Country | Link |
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| CN (1) | CN202939045U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092229A (en) * | 2015-08-31 | 2015-11-25 | 河南省重业起重机有限公司 | Crane vibration damping test platform |
| CN107421726A (en) * | 2017-06-08 | 2017-12-01 | 上海交通大学 | Testing machine based on servo electric jar heavy load high speed precise flange |
| CN111693369A (en) * | 2020-06-24 | 2020-09-22 | 深圳市金百缔新能源有限公司 | A durable monitoring system and device thereof |
-
2012
- 2012-06-13 CN CN2012202778413U patent/CN202939045U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092229A (en) * | 2015-08-31 | 2015-11-25 | 河南省重业起重机有限公司 | Crane vibration damping test platform |
| CN105092229B (en) * | 2015-08-31 | 2017-06-09 | 河南省重业起重机有限公司 | A kind of crane vibration damping test platform |
| CN107421726A (en) * | 2017-06-08 | 2017-12-01 | 上海交通大学 | Testing machine based on servo electric jar heavy load high speed precise flange |
| CN111693369A (en) * | 2020-06-24 | 2020-09-22 | 深圳市金百缔新能源有限公司 | A durable monitoring system and device thereof |
| CN111693369B (en) * | 2020-06-24 | 2022-01-04 | 深圳市金百缔新能源有限公司 | A durable monitoring system and its device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20150613 |
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| EXPY | Termination of patent right or utility model |