CN204514618U - A kind of vehicle shock absorber noise fest stand - Google Patents
A kind of vehicle shock absorber noise fest stand Download PDFInfo
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- CN204514618U CN204514618U CN201520132907.3U CN201520132907U CN204514618U CN 204514618 U CN204514618 U CN 204514618U CN 201520132907 U CN201520132907 U CN 201520132907U CN 204514618 U CN204514618 U CN 204514618U
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- vibrator
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- shock absorber
- pad
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Abstract
The utility model relates to a kind of vehicle shock absorber noise fest stand, comprises test skeleton: be located in test skeleton, the installing plate mechanism of adjustable vibration-damper setting height(from bottom); Be located on installing plate device, for clamping the clamp system of vibration damper; By vibrator installing mechanism and the drive unit for driving the vibrator of vibration damper to form; The acoustic board of parcel test skeleton periphery.Compared with prior art, the utility model eliminates the impact of ground unrest, can test very exactly due to vibration damper internal part move up and down produce noise, and design test skeleton structure mostly connected by welding manner, easily manufactured.
Description
Technical field
The utility model relates to a kind of test-bed, especially relates to a kind of vehicle shock absorber noise fest stand.
Background technology
Control preferably because the such as engine of Main Noise Sources on automobile obtains in recent years, the noise problem before not obtaining other auto parts and components paid attention to causes the attention of people gradually.The vitals that vibration damper is connected with vehicle body as tire, transmit by tire the noise that the exciting force come can excite vibration damper, the noise of vibration damper is mainly because the disorder of internally-damped power causes the phylogenetic vibration of valve spring on piston rod to be delivered to vehicle body initiation by piston rod.Because outdoor testing background noise is too large, so need to carry out analysis of experiments to the noise of vibration damper under noise elimination environment.At present less for the test-bed of vibration damper noise, be necessary to devise a kind of vehicle shock absorber noise fest stand that full eliminated noise environment is provided, can not by environment, do not affect by place, and be convenient to manufacture and movement.
Utility model content
The purpose of this utility model is exactly provide a kind of vehicle shock absorber noise fest stand to overcome defect that above-mentioned prior art exists, can test independent of test environment, easily manufactured, convenient mobile.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of vehicle shock absorber noise fest stand, comprises test skeleton, also comprises:
Be located in test skeleton, the installing plate mechanism of adjustable vibration-damper setting height(from bottom);
Be located on installing plate device, for clamping the clamp system of vibration damper;
By vibrator installing mechanism and the drive unit for driving the vibrator of vibration damper to form;
The acoustic board of parcel test skeleton periphery.
Described vibrator installing mechanism is located on the end face of test skeleton, and described vibrator is located on vibrator installing mechanism.
Described vibrator installing mechanism comprises vibrator location-plate, round bar, vibrator back up pad, vibrator fixed head and bolt, described vibrator location-plate is fixed on the end face of test skeleton, described vibrator location-plate and vibrator back up pad are equipped with round bar through hole and exciting rod through hole, described round bar top connects vibrator fixed head, be fixedly connected with vibrator back up pad, vibrator location-plate after bottom runs through round bar through hole successively, described bolt is located on vibrator fixed head, and is fixedly connected with vibrator.
The output terminal of described vibrator connects exciting rod, and described exciting rod connects vibration damper top after running through exciting rod through hole.
Described installing plate mechanism comprises test specimen back up pad, height of specimen adjuster bar and height of specimen adjustable plate, described test specimen back up pad is located in test skeleton, test specimen back up pad and height of specimen adjustable plate are equipped with adjuster bar through hole, adjuster bar through hole is run through in the bottom of described height of specimen adjuster bar, and be fixed in test specimen back up pad by test specimen position hold-down nut, adjuster bar through hole is run through on top, and being fixed on height of specimen adjustable plate by test specimen position hold-down nut, described clamp system is located on height of specimen adjustable plate.
Also comprise adjustable plate stabilizer bar, described test specimen back up pad is also provided with tapered cup nut, one end welding piece DOCK LEVELER of described adjustable plate stabilizer bar, the other end connects tapered cup nut.
Described clamp system comprises the test specimen locating piece being provided with locating slot and two clamping elements be symmetrically set in locating slot, and described test specimen locating piece is located in installing plate mechanism.
Described clamping element comprises clamping and positioning block, square nut and fishbolt, and described fishbolt one end connects clamping and positioning block, and the other end runs through square nut, and described square nut is fixed on the end of locating slot, and described clamping and positioning block slides in locating slot.
Described test skeleton comprises entablature end face, sill installed surface and four support bars, described four support bars become corner to distribute, top welding entablature end face, middle part welding sill installed surface, described vibrator installing mechanism is located on entablature end face, and described installing plate mechanism is located on sill installed surface.
Compared with prior art, the utility model has the following advantages:
1) the utility model is by testing a kind of vehicle shock absorber noise fest stand of the composite design of skeleton, acoustic board and vibrator, because dynamic vibration absorber can reproduce various types of excitation, therefore the utility model adopts the drive unit simulated roadway of this simple and stable of vibrator to the input of vibration damper.Adopt acoustic board to construct the environment entirely disappeared simultaneously, effectively can eliminate the impact of ground unrest on test, the noisiness of vibration damper can be obtained exactly.Relative to vibration damper noise fest field less at present test, the utility model provides a full eliminated noise environment, and the test for vibration damper noise is very accurate, can provide guidance for the analysis of experiments of current vibration damper noise.
2) clamp system of the utility model design can by regulating the position of clamping and positioning block in locating slot, realize the clamping and positioning to the vibration damper of different size, adopt height of specimen adjuster bar to devise the installing plate mechanism of adjustment height simultaneously, realize locating the installation of the vibration damper of different length, and ensure the stable of height of specimen adjustable plate by increasing adjustable plate stabilizer bar, structure is reliable, practical, applied widely.
3) the test skeleton of the utility model design adopts the structure of rod member, and mostly connected by welding manner, easily manufactured, cost is low, and is convenient to mobile.
Accompanying drawing explanation
Fig. 1 is the structural representation testing skeleton and installing plate mechanism in the utility model;
Fig. 2 is the scheme of installation of modification stability bar in the utility model;
Fig. 3 is the structural representation of clamp system in the utility model;
Fig. 4 is general structure schematic diagram of the present utility model.
In figure: 1, support bar, 2, first sill, 3, second sill, 4, first entablature, 5, second entablature, 6, vibrator location-plate, 7, middle beam, 8, test specimen back up pad, 9, height of specimen adjustable plate, 10, height of specimen adjuster bar, 11, first test specimen position hold-down nut, 12, second test specimen position hold-down nut, 13, first fillet bolt, 14, second fillet bolt, 15, adjustable plate stabilizer bar, 16, tapered cup nut, 17, left side fishbolt, 18, left square nut, 19, left clamping and positioning block, 20, right clamping and positioning block, 21, right square nut, 22, right side fishbolt, 23, test specimen locating piece, 24, set bolt, 25, acoustic board, 26, vibrator back up pad, 27, first vibrator fixed head, 28, second vibrator fixed head, 29, bolt, 30, vibrator, 31, exciting rod, 32, vibration damper, 33, round bar.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.The present embodiment is implemented premised on technical solutions of the utility model, give detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
A kind of vehicle shock absorber noise fest stand, as Figure 1 and Figure 4, comprise test skeleton and
Be located in test skeleton, the installing plate mechanism of adjustable vibration-damper 32 setting height(from bottom);
Be located on installing plate device, for clamping the clamp system of vibration damper 32;
By vibrator installing mechanism and the drive unit for driving the vibrator 30 of vibration damper 32 to form, vibrator installing mechanism is located on the end face of test skeleton, and vibrator 30 is located on vibrator installing mechanism;
The acoustic board 25 of parcel test skeleton periphery.
Wherein, the test skeleton structure of four support bars, 1, two first sills, 2, two second sills, 3, two first entablatures, 4, two second entablatures 5 and two middle beam 7 common composition vibration damper noise fest stands.Four support bar 1 one-tenth corner distributions, and sequence counter-clockwise label, first support bar, the top of the 4th support bar and the two ends welding of first entablature 4, second support bar, the top of the 3rd support bar is welded with the two ends of another root first entablature 4, the two ends of first sill 2, the two ends of a middle beam 7 respectively from the bottom to top with the first support bar, the shaft welding of the second support bar, the two ends of another root second sill 2, the two ends of another root middle beam 7 respectively from the bottom to top with the 3rd support bar, the shaft welding of the 4th support bar, the shaft of two first entablatures 4 is welded at the two ends of two second entablatures 5, the shaft of two first sills 2 is welded at the two ends of two second sills 3, two middle beams 7 ensure the stable of structure further.Therefore, form entablature end face by the first entablature 4, second entablature 5, form sill installed surface by the first sill 2, second sill 3.
Installing plate mechanism comprises test specimen back up pad 8, height of specimen adjuster bar 10 and height of specimen adjustable plate 9, test specimen back up pad 8 is located on the second sill 3 by bolt, test specimen back up pad 8 and height of specimen adjustable plate 9 are equipped with four adjuster bar through holes, adjuster bar through hole is run through at the two ends of four height of specimen adjuster bars 10 respectively, its top is fixed on height of specimen adjustable plate 9 by the first test specimen position hold-down nut 11, and its bottom is separately fixed in test specimen back up pad 8 by the second test specimen position hold-down nut 12.
In order to ensure the stability of height of specimen adjustable plate 9, also comprise adjustable plate stabilizer bar 15, as shown in Figure 2, test specimen back up pad 8 is also provided with tapered cup nut 16, one end welding piece DOCK LEVELER 9 of adjustable plate stabilizer bar 15, the other end connects tapered cup nut 16, can vertically highly regulating, to meet the requirement of different length vibration damper 32 height of specimen adjustable plate 9 by the tapered cup nut 16 be connected in test specimen back up pad 8.Test adjustable plate 9 is provided with the first fillet bolt 13 for clamping test height adjustable plate 9.After highly determining, tighten tapered cup nut 16, and four the first fillet bolts 13 are clamped, ensure the stability of height of specimen adjustable plate 9.Test specimen back up pad 8 four jiaos of edges are respectively equipped with four the second fillet bolts 14, conveniently lift during for dismantling test specimen back up pad 8.
Clamp system comprises the test specimen locating piece 23 being provided with locating slot and two clamping elements be symmetrically set in locating slot, and test specimen locating piece 23 is fixed on height of specimen adjustable plate 9 by two set bolts 24.Because different vibration damper 32 lower end shape is different, therefore devise clamp system as shown in Figure 3, can be fixed difform vibration damper 32.Each clamping element includes clamping and positioning block, square nut and fishbolt, and fishbolt one end connects clamping and positioning block, and the other end runs through square nut, and square nut is fixed on the end of locating slot, and clamping and positioning block slides in locating slot.When using clamp system, rotate left side fishbolt 17 and right side fishbolt 22 respectively by left square nut 18 and right square nut 21, make left clamping and positioning block 19 and right clamping and positioning block 20 near or away from.Like this, just can meet difform vibration damper 32, and it is fixed.
Vibrator installing mechanism comprises vibrator location-plate 6, round bar 33, vibrator back up pad 26, first vibrator fixed head 27, second vibrator fixed head 28 and bolt 29, vibrator location-plate 6 and two second entablatures 5 weld together, vibrator location-plate 6 and vibrator back up pad 26 are equipped with two round bar through holes and an exciting rod through hole, two round bar 33 tops are connected respectively the first vibrator fixed head 27 and the second vibrator fixed head 28, bottom run through successively after round bar through hole by bolt respectively with vibrator back up pad 26, vibrator location-plate 6 is fixedly connected with, two bolts 29 respectively correspondence are located on the first vibrator fixed head 27 and the second vibrator fixed head 28, vibrator 30 left and right sides is connected on two bolts 29, the output terminal of vibrator 30 connects exciting rod 31, exciting rod 31 connects vibration damper 32 top after running through exciting rod through hole, bolt or seccotine can be adopted to be fixed both, vibrator location-plate 6 is for the location of exciting rod 31.
Based on the structure of test skeleton, the acoustic board 25 in six faces is connected with test skeleton by welding manner, forms a full eliminated noise environment, and the test for vibration damper 32 noise is very accurate, can provide guidance for the analysis of experiments of current vibration damper 32 noise.
Claims (9)
1. a vehicle shock absorber noise fest stand, comprises test skeleton, it is characterized in that, also comprise:
Be located in test skeleton, the installing plate mechanism of adjustable vibration-damper setting height(from bottom);
Be located on installing plate device, for clamping the clamp system of vibration damper;
By vibrator installing mechanism and the drive unit for driving the vibrator of vibration damper to form;
The acoustic board of parcel test skeleton periphery.
2. a kind of vehicle shock absorber noise fest stand according to claim 1, is characterized in that, described vibrator installing mechanism is located on the end face of test skeleton, and described vibrator is located on vibrator installing mechanism.
3. a kind of vehicle shock absorber noise fest stand according to claim 2, it is characterized in that, described vibrator installing mechanism comprises vibrator location-plate, round bar, vibrator back up pad, vibrator fixed head and bolt, described vibrator location-plate is fixed on the end face of test skeleton, described vibrator location-plate and vibrator back up pad are equipped with round bar through hole and exciting rod through hole, described round bar top connects vibrator fixed head, bottom run through successively after round bar through hole with vibrator back up pad, vibrator location-plate is fixedly connected with, described bolt is located on vibrator fixed head, and be fixedly connected with vibrator.
4. a kind of vehicle shock absorber noise fest stand according to claim 3, is characterized in that, the output terminal of described vibrator connects exciting rod, and described exciting rod connects vibration damper top after running through exciting rod through hole.
5. a kind of vehicle shock absorber noise fest stand according to claim 1, it is characterized in that, described installing plate mechanism comprises test specimen back up pad, height of specimen adjuster bar and height of specimen adjustable plate, described test specimen back up pad is located in test skeleton, test specimen back up pad and height of specimen adjustable plate are equipped with adjuster bar through hole, adjuster bar through hole is run through in the bottom of described height of specimen adjuster bar, and be fixed in test specimen back up pad by test specimen position hold-down nut, adjuster bar through hole is run through on top, and be fixed on height of specimen adjustable plate by test specimen position hold-down nut, described clamp system is located on height of specimen adjustable plate.
6. a kind of vehicle shock absorber noise fest stand according to claim 5, it is characterized in that, also comprise adjustable plate stabilizer bar, described test specimen back up pad is also provided with tapered cup nut, one end welding piece DOCK LEVELER of described adjustable plate stabilizer bar, the other end connects tapered cup nut.
7. a kind of vehicle shock absorber noise fest stand according to claim 1, it is characterized in that, described clamp system comprises the test specimen locating piece being provided with locating slot and two clamping elements be symmetrically set in locating slot, and described test specimen locating piece is located in installing plate mechanism.
8. a kind of vehicle shock absorber noise fest stand according to claim 7, it is characterized in that, described clamping element comprises clamping and positioning block, square nut and fishbolt, described fishbolt one end connects clamping and positioning block, the other end runs through square nut, described square nut is fixed on the end of locating slot, and described clamping and positioning block slides in locating slot.
9. a kind of vehicle shock absorber noise fest stand according to claim 1, it is characterized in that, described test skeleton comprises entablature end face, sill installed surface and four support bars, described four support bars become corner to distribute, top welding entablature end face, middle part welding sill installed surface, described vibrator installing mechanism is located on entablature end face, and described installing plate mechanism is located on sill installed surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520132907.3U CN204514618U (en) | 2015-03-09 | 2015-03-09 | A kind of vehicle shock absorber noise fest stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520132907.3U CN204514618U (en) | 2015-03-09 | 2015-03-09 | A kind of vehicle shock absorber noise fest stand |
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| Publication Number | Publication Date |
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| CN204514618U true CN204514618U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520132907.3U Expired - Fee Related CN204514618U (en) | 2015-03-09 | 2015-03-09 | A kind of vehicle shock absorber noise fest stand |
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| Country | Link |
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| CN (1) | CN204514618U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632348A (en) * | 2018-12-27 | 2019-04-16 | 大乘汽车有限公司 | Damper abnormal sound test-bed |
-
2015
- 2015-03-09 CN CN201520132907.3U patent/CN204514618U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632348A (en) * | 2018-12-27 | 2019-04-16 | 大乘汽车有限公司 | Damper abnormal sound test-bed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20180309 |