CN201749018U - Vibration measurement test bed of vibration absorber - Google Patents
Vibration measurement test bed of vibration absorber Download PDFInfo
- Publication number
- CN201749018U CN201749018U CN 201020593438 CN201020593438U CN201749018U CN 201749018 U CN201749018 U CN 201749018U CN 201020593438 CN201020593438 CN 201020593438 CN 201020593438 U CN201020593438 U CN 201020593438U CN 201749018 U CN201749018 U CN 201749018U
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- Prior art keywords
- vibration
- vibration damper
- shaft
- motor
- base
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- 238000012360 testing method Methods 0.000 title claims abstract description 51
- 239000006096 absorbing agent Substances 0.000 title abstract description 7
- 238000005259 measurement Methods 0.000 title abstract 4
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims description 9
- 230000014759 maintenance of location Effects 0.000 claims description 6
- 230000005284 excitation Effects 0.000 abstract 3
- 239000000047 product Substances 0.000 description 13
- 238000013016 damping Methods 0.000 description 10
- 230000007704 transition Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229920002545 silicone oil Polymers 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 235000013569 fruit product Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model discloses a vibration measurement test bed of a vibration absorber. The vibration measurement test bed comprises a base, a motor, a first vibration shaft connected with the motor through a driving belt, wherein the first vibration shaft is an eccentric shaft or provided with an eccentric device, a oscillating shaft supported on the base, wherein one end of the swing shaft is provided with a vibration absorber positioning disc and a vibration signal panel, an excitation box which is sleeved on the oscillating shaft, wherein two sides of the excitation box are connected with a rear support through a spring respectively, the rear support is disposed on the base, and the first vibration shaft is supported on the excitation box, a vibration sensor which is disposed on the base and separated from a vibration transmission rod at a predetermined distance, and a vibration meter connected with the vibration sensor. The vibration measurement test bed makes quality decisions by converting rotation of the vibration absorber into oscillating motion at a certain frequency along the center of the vibration absorber, picking up oscillating amplitude value with the sensor, converting an oscillating amplitude value into a current value, displaying the value on a vibration meter, and comparing a stabilized current value with the current value of a standard vibration absorber.
Description
Technical field
The utility model relates to the damper technique field, more particularly, relates to a kind of vibration damper vibration measuring testing table.
Background technology
Engine silicon oil damper (hereinafter to be referred as vibration damper) is an important spare part that is contained in the engine crankshaft rear end, its effect is to avoid engine in operational process, owing to the variation meeting of load produces the increase of moment moment of torsion or the damage that minimizing causes engine crankshaft to bent axle.So the ratio of damping of produced vibration damper must be in specialized range, to reach and to satisfy the designing requirement of engine.In order to verify whether produced each vibration damper can reach the ratio of damping of designing requirement, at present, the test of must installing in the laboratory if still install test in the laboratory, is the needs that can't satisfy batch process.
Test if directly do simple the rotation by the driven by motor vibration damper, just changes on time moment when starting during vibration damper to some extent, observes to be difficult for, and the method that more is difficult for increasing or reduce vibration damper silicone oil is adjusted the resistance of shock absorber coefficient.
Need badly at present and a kind ofly convenient judge that whether qualified vibration damper is, and can satisfy the vibration damper vibration measuring testing table that becomes to produce needs in batches.
The utility model content
In view of this, the utility model provides a kind of vibration damper vibration measuring testing table, need not also can to judge that conveniently whether qualified vibration damper is in the laboratory.
For achieving the above object, the utility model provides following technical scheme:
A kind of vibration damper vibration measuring testing table comprises:
Base;
Be arranged on the motor on the described base;
With first vibrating shaft that described motor links to each other by chain transmission or band transmission, described first vibrating shaft is excentric shaft or which is provided with decentralizing device;
Swing shaft, on described base, the one end is provided with vibration damper positioning disk and vibration signal dish by bearings, is connected with the vibration transmission bar on this vibration signal dish;
The exciting case, it is set on the described swing shaft, these exciting case both sides link to each other with rear support by spring respectively, this rear support is arranged on the described base, described first vibrating shaft by bearings on this exciting case;
Be arranged on the described base, and with the described vibration transmission bar vibration transducer of predeterminable range at interval;
The vialog that links to each other with described vibration transducer.
Preferably, in above-mentioned vibration damper vibration measuring testing table, described first vibrating shaft is provided with first gear, and this first gear is provided with decentralizing device.
Preferably, in above-mentioned vibration damper vibration measuring testing table, also comprise second vibrating shaft, this second vibrating shaft is provided with second gear with described first gearing mesh, and this second gear is provided with decentralizing device.
Preferably, in above-mentioned vibration damper vibration measuring testing table, described vibration transmission bar is the plane towards that face of described vibration transducer.
Preferably, in above-mentioned vibration damper vibration measuring testing table, also comprise the terminal pad that is set on the described swing shaft, be contained on the described terminal pad with the crack engage sleeves between described vibration damper positioning disk, and by screw retention on this terminal pad, described vibration signal dish by screw retention on this terminal pad.
Preferably, in above-mentioned vibration damper vibration measuring testing table, also comprise the sensor mount that is arranged on the described base, this sensor mount is provided with pilot hole, described swing shaft is located on the described pilot hole by bearing bracket stand, and described vibration transducer is arranged on this sensor mount.
Preferably, in above-mentioned vibration damper vibration measuring testing table, also comprise the adjustment bolt that is threaded on the described rear support, described spring one end links to each other with described exciting case, and the other end links to each other with described adjustment bolt.
Preferably, in above-mentioned vibration damper vibration measuring testing table, also comprise control desk, the power line of described motor is connected with the frequency converter of described control desk.
Preferably, in above-mentioned vibration damper vibration measuring testing table, also comprise the motor speed measuring gear on the output shaft that is arranged on described motor, on the described base, and be provided with near switch by support on the position relative with described motor speed measuring gear, this is connected with the velocity indicator of described control desk near switch.
Preferably, in above-mentioned vibration damper vibration measuring testing table, also comprise by being bolted to the motor installation base on the described base, described motor is bolted on the described motor installation base by adjustment, described adjustment bolt one end is fixed on described motor installation base by the nut and the nut of its head, and the other end is stated the bedplate of motor by two nut clip residences.
From above-mentioned technical scheme as can be seen, compare with prior art, the utility model is excentric shaft or is provided with decentralizing device owing to first vibrating shaft, when so it rotates by driven by motor, can vibrate, connection band exciting case vibration simultaneously, and make the exciting case along the axis reciprocally swinging of swing shaft, carry the reciprocal rotation of swing shaft simultaneously.The utility model converts to along the center of vibration damper by the rotation with vibration damper and does oscillating motion with certain frequency.Pick up the amplitude of fluctuation value with sensor, the amplitude of fluctuation value is converted to current value, show on vialog, the current value with the standard vibration damper after current value is stable contrasts, and judges the whether qualified of product vibration damper.The vibration damper vibration measuring testing table that the utility model provides is in order to check the verifying bench that whether satisfies the desired ratio of damping of design to assembling produced silicon oil damper product, its function is artificial frequent moment that vibration damper is carried out to turn to variation, observes the vibration damping amplitude.Under same vibration frequency, compare by amplitude data and the product vibration damper that extracts the standard vibration damper, if the amplitude of product vibration damper is identical with the amplitude of standard vibration damper, the ratio of damping that shows the product vibration damper is also identical with the ratio of damping of standard vibration damper, amplitude and standard vibration damper as the fruit product vibration damper are variant, can amplitude be adjusted in the margin tolerance of regulation by increasing or reduce the method for vibroshock silicone oil, the product vibration damper is adhered to specification.The standard vibration damper is that the chamber test obtains by experiment.Obtain the tolerance of amplitude by the test of a plurality of standard vibration dampers.Solved fundamentally that vibration damper is produced in batches and the demand of testing authentication, the utlity model has low cost of manufacture, energy consumption is low, the testing efficiency height, and test data is characteristics such as superiority accurately.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the vibration damper vibration measuring testing table that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the partial enlarged drawing of C among Fig. 1;
Fig. 3 is the cut-open view of Fig. 1 along the A-A line;
The partial schematic diagram of the vibration damper vibration measuring testing table that Fig. 4 provides for the utility model embodiment;
Fig. 5 is that the B of Fig. 4 is to view.
Embodiment
The utility model discloses a kind of vibration damper vibration measuring testing table, need not also can to judge that conveniently whether qualified vibration damper is in that engine test is indoor.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1-Fig. 5, the structural representation of the vibration damper vibration measuring testing table that Fig. 1 provides for the utility model embodiment, Fig. 2 is the partial enlarged drawing of C among Fig. 1, Fig. 3 is the cut-open view of Fig. 1 along the A-A line, the partial schematic diagram of the vibration damper vibration measuring testing table that Fig. 4 provides for the utility model embodiment, Fig. 5 are that the B of Fig. 4 is to view.
The vibration damper vibration measuring testing table that the utility model provides comprises: base 21, motor 1, first vibrating shaft 13, swing shaft 10, exciting case 12, vibration transducer 28 and vialog 2.Wherein, base 21 is the mount pad of whole test platform, has the effect of frame concurrently.Motor 1 is arranged on the described base 21, and first vibrating shaft 13 links to each other by chain transmission or band transmission with described motor 1, preferably adopts the vee belt transmission in the present embodiment, and promptly motor 1 passes to first vibrating shaft 13 with its rotary power by vee belt.It should be noted that first vibrating shaft 13 is excentric shaft or which is provided with decentralizing device, therefore, when first vibrating shaft 13 rotates, can vibrate owing to action of centrifugal force produces.On described base 21, the one end is provided with vibration damper positioning disk 5 and vibration signal dish 6 to swing shaft 10 by bearings, is connected with vibration transmission bar 9 on this vibration signal dish 6.Wherein, vibration damper positioning disk 5 is used for mounting dampers, and vibration signal dish 6 is used for mechanical oscillation signal is sent by vibration transmission bar 9.
The utility model is owing to first vibrating shaft 12 is excentric shaft or is provided with decentralizing device, so when driving its rotation, can vibrate, simultaneously 12 vibrations of connection band exciting case by motor 1, and make exciting case 12 along the axis reciprocally swinging of swing shaft 10, carry swing shaft 10 reciprocal rotations simultaneously.The utility model converts to along the center of vibration damper by the rotation with vibration damper 4 and does oscillating motion with certain frequency.Pick up the amplitude of fluctuation value with vibration transducer 28, the amplitude of fluctuation value is converted to current value, show on vialog 2, the current value with the standard vibration damper after current value is stable contrasts, and judges the whether qualified of product vibration damper.The vibration damper vibration measuring testing table that the utility model provides is in order to check the verifying bench that whether satisfies the desired ratio of damping of design to assembling produced silicon oil damper product, its function is artificial frequent moment that vibration damper is carried out to turn to variation, observes the vibration damping amplitude.Under same vibration frequency, compare by amplitude data and the product vibration damper that extracts the standard vibration damper, if the amplitude of product vibration damper is identical with the amplitude of standard vibration damper, the ratio of damping that shows the product vibration damper is also identical with the ratio of damping of standard vibration damper, amplitude and standard vibration damper as the fruit product vibration damper are variant, can amplitude be adjusted in the margin tolerance of regulation by increasing or reduce the method for vibroshock silicone oil, the product vibration damper is adhered to specification.The standard vibration damper is that the chamber test obtains by experiment.Obtain the tolerance of amplitude by the test of a plurality of standard vibration dampers.Solved fundamentally that vibration damper is produced in batches and the demand of testing authentication, the utlity model has low cost of manufacture, energy consumption is low, the testing efficiency height, and test data is characteristics such as superiority accurately.
Concrete, swing shaft 10 rear ends are connected in the transition fit mode with double-row radial ball bearing, connect adjustment and the fixing position of double-row radial ball bearing on swing shaft 10 and rear support 14 with gap fiting mode in rear support 14 front and back ends with bearing cap.Double-row radial ball bearing is connected in the transition fit mode with rear support 14, is installed with oil sealing in the bearing cap, with each 4 housing screw of two sides bearing cap is pressed on the rear support 14.4 bearing housing screws of rear support 14 usefulness are fixed and clamped on base 21.
First vibrating shaft 13 is provided with first gear 16, and this first gear 16 is provided with decentralizing device 25.First vibrating shaft 13 can be connected with transient mode with first gear 16, and fixes the position of first gear 16 with lining, transmits rotating speed and moment of torsion with the gear flat key.Driven pulley 17 is connected on described first vibrating shaft 13 by key, and by driving belt 18, and the driving pulley 19 on motor 1 output shaft is given first vibrating shaft 13 with the transmission of power of motor 1.First vibrating shaft, 13 two ends are connected in the transition fit mode with single row angular contact ball bearing respectively, with bearing cap two ends are fixed, and are fixedly connected on the exciting case 12 with the bearing cap housing screw.Decentralizing device 25 can be attached pouring weight, is fixedly connected on first gear 16 with spring washer and housing screw, when first gear 16 rotates, produces the wobble amplitude of exciting case 12 because of decentralizing device 25.
In order to increase the wobble amplitude of exciting case 12, the utility model can also comprise second vibrating shaft 15, and this second vibrating shaft 15 is provided with second gear with 16 engagements of described first gear, and this second gear also is provided with decentralizing device 25.Can improve the amplitude of vibrating when rotating by two eccentric gears, thereby improve the wobble amplitude of exciting case 12, for vibration transducer 28 provides enough oscillator intensities.
Second vibrating shaft 15 can be connected with transient mode with second gear, fixes the position of second gear with lining, transmits rotating speed and moment of torsion with the gear flat key.Each is connected second vibrating shaft, 15 two ends in the transition fit mode with single row angular contact ball bearing, with bearing cap two ends is fixed.The two sides respectively is fixedly connected on the exciting case 12 by 4 bearing cap housing screws.
The utility model also comprises the terminal pad 7 that is set on the described swing shaft 10, being sleeved on the described terminal pad 7 of described vibration damper positioning disk 5 clearance fit, and by screw retention on this terminal pad 7, described vibration signal dish 6 by screw retention on this terminal pad 7.Tested vibration damper 4 and vibration damper positioning disk 5 are connected with gap fiting mode, compress with the workpiece housing screw, and transmit swing torque.Vibration damper positioning disk 5 and terminal pad 7 are connected with gap fiting mode, so that change vibration damper positioning disk 5 when changing product, compress with the positioning disk housing screw, and the transmission swing torque.Vibration signal dish 6 is welded with vibration transmission bar 9, as the swinging signal source.Vibration signal dish 6 is connected in the transition fit mode with terminal pad 7, compresses with the vibrating disk attachment screw, and transmits swing torque.
The utility model can also comprise the sensor mount 8 that is arranged on the described base 21, this sensor mount 8 is provided with pilot hole, described swing shaft 10 is located on the described pilot hole by bearing bracket stand, and described vibration transducer 28 is arranged on this sensor mount 8.
The utility model also comprises the adjustment bolt 29 that is threaded on the described rear support 14, and described spring 30 1 ends link to each other with described exciting case 12, and the other end links to each other with described adjustment bolt 29.
The utility model can also comprise and control desk 3 that the power line of described motor 1 is connected with the frequency converter of described control desk 3.Regulate speed governing (frequency conversion) turn-knob on the control desk 3, can change the electrical source of power frequency of motor 1, observe velocity indicator, make motor reach optimum speed.
The utility model also comprises the motor speed measuring gear 20 on the output shaft that is arranged on described motor 1, on the described base 21, and be provided with near switch 22 by support on the position relative with described motor speed measuring gear 20, this is connected near the velocity indicator of switch 22 with described control desk 3.
On support, adjust the distance with motor speed measuring gear 20, use the nut that carries near switch 22 to be fixed on the support pickoff signals.Signal wire near switch 22 is connected with the velocity indicator of control desk 3, can show the rotating speed of motor 1 on the velocity indicator on the control desk 3 in real time.
The utility model also comprises by being bolted to the motor installation base 24 on the described base 21, described motor 1 is fixed on the described motor installation base 24 by adjusting bolt 23, described adjustment bolt 23 1 ends are fixed on described motor installation base 24 by the nut and the nut of its head, and the other end is stated the bedplate of motor 1 by two nut clip residences.Can adjust the height of motor 1 with adjusting bolt 23, so that adjust the tightness of vee belt, the motor 1 usefulness motor gland nut of adjusting compresses connection.
Each embodiment adopts the mode of going forward one by one to describe in this instructions, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. a vibration damper vibration measuring testing table is characterized in that, comprising:
Base (21);
Be arranged on the motor (1) on the described base (21);
With first vibrating shaft (13) that described motor (1) links to each other by chain transmission or band transmission, described first vibrating shaft (13) is for excentric shaft or which is provided with decentralizing device; Swing shaft (10), on described base (21), the one end is provided with vibration damper positioning disk (5) and vibration signal dish (6) by bearings, is connected with vibration transmission bar (9) on this vibration signal dish (6);
Exciting case (12), it is set on the described swing shaft (10), these exciting case (12) both sides link to each other with rear support (14) by spring (30) respectively, and this rear support (14) is arranged on the described base (21), described first vibrating shaft (13) by bearings on this exciting case (12);
Be arranged on the described base (21), and with described vibration transmission bar (9) vibration transducer (28) of predeterminable range at interval;
The vialog (2) that links to each other with described vibration transducer (28).
2. vibration damper vibration measuring testing table as claimed in claim 1 is characterized in that described first vibrating shaft (13) is provided with first gear (16), and this first gear (16) is provided with decentralizing device (25).
3. vibration damper vibration measuring testing table as claimed in claim 2 is characterized in that, also comprises second vibrating shaft (15), and this second vibrating shaft (15) is provided with second gear with described first gear (16) engagement, and this second gear is provided with decentralizing device (25).
4. vibration damper vibration measuring testing table as claimed in claim 1 is characterized in that, described vibration transmission bar (9) is the plane towards that face of described vibration transducer (28).
5. vibration damper vibration measuring testing table as claimed in claim 1, it is characterized in that, also comprise the terminal pad (7) that is set on the described swing shaft (10), described vibration damper positioning disk (5) is sleeved on the described terminal pad (7) with clearance fit, and by screw retention on this terminal pad (7), described vibration signal dish (6) by screw retention on this terminal pad (7).
6. vibration damper vibration measuring testing table as claimed in claim 1, it is characterized in that, also comprise the sensor mount (8) that is arranged on the described base (21), this sensor mount (8) is provided with pilot hole, described swing shaft (10) is located on the described pilot hole by bearing bracket stand, and described vibration transducer (28) is arranged on this sensor mount (8).
7. vibration damper vibration measuring testing table as claimed in claim 1, it is characterized in that, also comprise the adjustment bolt (29) that is threaded on the described rear support (14), described spring (30) one ends link to each other with described exciting case (12), and the other end links to each other with described adjustment bolt (29).
8. vibration damper vibration measuring testing table as claimed in claim 1 is characterized in that, also comprises control desk (3), and the power line of described motor (1) is connected with the frequency converter of described control desk (3).
9. vibration damper vibration measuring testing table as claimed in claim 8, it is characterized in that, also comprise the motor speed measuring gear (20) on the output shaft that is arranged on described motor (1), on the described base (21), and be provided with near switch (22) by support on the position relative with described motor speed measuring gear (20), this is connected near the velocity indicator of switch (22) with described control desk (3).
10. vibration damper vibration measuring testing table as claimed in claim 1, it is characterized in that, also comprise by being bolted to the motor installation base (24) on the described base (21), described motor (1) is fixed on the described motor installation base (24) by adjusting bolt (23), described adjustment bolt (23) one ends are fixed on described motor installation base (24) by the nut and the nut of its head, and the other end is stated the bedplate of motor (1) by two nut clip residences.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020593438 CN201749018U (en) | 2010-11-05 | 2010-11-05 | Vibration measurement test bed of vibration absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020593438 CN201749018U (en) | 2010-11-05 | 2010-11-05 | Vibration measurement test bed of vibration absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201749018U true CN201749018U (en) | 2011-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020593438 Expired - Lifetime CN201749018U (en) | 2010-11-05 | 2010-11-05 | Vibration measurement test bed of vibration absorber |
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| Country | Link |
|---|---|
| CN (1) | CN201749018U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102004030A (en) * | 2010-11-05 | 2011-04-06 | 重庆康明斯发动机有限公司 | Vibration measuring test bed for vibration absorber |
| CN102539171A (en) * | 2011-12-23 | 2012-07-04 | 青岛大学 | Test-bed of double-control vehicle semi-active suspension system |
| CN104359671A (en) * | 2014-12-10 | 2015-02-18 | 国家电网公司 | Testing device for ball eye flexural vibration fatigue characteristic in power transmission line |
| CN105043703A (en) * | 2015-08-11 | 2015-11-11 | 大连大学 | General shock absorber dynamic and static test stand |
| CN110802406A (en) * | 2019-12-13 | 2020-02-18 | 湖北大冶汉龙汽车有限公司 | Assembly table for automobile front sliding column with brake assembly |
-
2010
- 2010-11-05 CN CN 201020593438 patent/CN201749018U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102004030A (en) * | 2010-11-05 | 2011-04-06 | 重庆康明斯发动机有限公司 | Vibration measuring test bed for vibration absorber |
| CN102004030B (en) * | 2010-11-05 | 2012-03-28 | 重庆康明斯发动机有限公司 | Vibration measuring test bed for vibration absorber |
| CN102539171A (en) * | 2011-12-23 | 2012-07-04 | 青岛大学 | Test-bed of double-control vehicle semi-active suspension system |
| CN102539171B (en) * | 2011-12-23 | 2015-01-07 | 青岛大学 | Test-bed of double-control vehicle semi-active suspension system |
| CN104359671A (en) * | 2014-12-10 | 2015-02-18 | 国家电网公司 | Testing device for ball eye flexural vibration fatigue characteristic in power transmission line |
| CN105043703A (en) * | 2015-08-11 | 2015-11-11 | 大连大学 | General shock absorber dynamic and static test stand |
| CN105043703B (en) * | 2015-08-11 | 2017-08-25 | 大连大学 | General shock absorber the static and dynamic experiment platform |
| CN110802406A (en) * | 2019-12-13 | 2020-02-18 | 湖北大冶汉龙汽车有限公司 | Assembly table for automobile front sliding column with brake assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110216 Effective date of abandoning: 20120328 |