CN201138294Y - Test platform for oil pressure vibration damper - Google Patents
Test platform for oil pressure vibration damper Download PDFInfo
- Publication number
- CN201138294Y CN201138294Y CNU2007203090626U CN200720309062U CN201138294Y CN 201138294 Y CN201138294 Y CN 201138294Y CN U2007203090626 U CNU2007203090626 U CN U2007203090626U CN 200720309062 U CN200720309062 U CN 200720309062U CN 201138294 Y CN201138294 Y CN 201138294Y
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- oil
- stage body
- pressure damper
- testing table
- mechanical stage
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- Expired - Lifetime
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- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000003750 conditioning effect Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000006096 absorbing agent Substances 0.000 abstract 6
- 238000005259 measurement Methods 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The utility model relates to a hydraulic vibration absorber test-bed, consisting of a mechanical stage body and a measurement and control system connected with the mechanical stage body. A transducer arranged in the measurement and control system controls the whirling of an electric motor. The transducer is fixed on the mounting plate of the transducer. The mounting plate of the transducer is fixed on the mechanical stage body. The measurement and control system is provided with the transducer and adopts variable frequency technology. Testing speed is 0.001 to 0.3m/s that is equivalent to 0.03 to 1Hz and continuously adjustable, so the utility model is applicable for the tests of the vibration absorber of current various railways vehicles. Testing range is large. The adjustable testing range of the vertical hydraulic vibration absorber is 100-700mm and the adjustable testing range of the transverse hydraulic vibration absorber is 150-1200mm, so the hydraulic vibration absorber test-bed can be applicable for the tests of the vibration absorber of current various vehicles.
Description
Technical field
The utility model relates to a kind of testing equipment, particularly a kind of testing equipment of testing rolling stock oil-pressure damper performance.
Background technology
Oil-pressure damper is one of critical component in the running mechanism of train part, riding quality and traffic safety to rolling stock have vital role, for the ease of further research to oil-pressure damper, the oil-pressure damper testing table has appearred, but, at present, the oil-pressure damper testing table of domestic use adopts toggle to carry out transmission of power, this mode exists mechanical clearance big, problems such as the range of adjustment of vibration frequency and amplitude is restricted, and the prior oil pressure damper test stand only is confined to the test of several certain vibration frequencies, test figure is not very accurate, and present vibration damper various sizes has, the prior oscillating damper testing table can only be tested the vibration damper of fixed measure, obviously can not meet the needs of.
The utility model content
The purpose of this utility model is to provide a kind of oil-pressure damper testing table, it can carry out the test of fundamental performance parameter to existing vertical and lateral oil pressure damper, by analysis and research to test result, further understand the performance of vibration damper, for the improvement of oil-pressure damper, improve the vehicle operating quality gross data is provided.
The technical solution of the utility model is: a kind of oil-pressure damper testing table, mainly form with the TT﹠C system that is connected with mechanical stage body by mechanical stage body, be provided with the frequency converter that the control motor rotates in the described TT﹠C system, frequency converter is installed on the frequency converter installing plate, and the frequency converter installing plate is installed on the mechanical stage body.
Preferably: described mechanical stage body comprise base, side by side be installed on vertical framework and horizontal strut on the base, be arranged at the drive system on the base and be installed in gib head base on the T-slot of vertical framework and horizontal strut, be respectively arranged with vertical gib head and horizontal gib head on the gib head base, wherein, the top of vertical gib head is provided with hoisting gear, and the top of hoisting gear is provided with the roll adjustment wheel.
Preferably: described drive system comprise the driving shaft that is installed in the vertical framework form and be attached thereto be installed in the speed reduction unit on the speed reduction unit backing plate and be installed in motor on the motor backing plate, wherein, driving shaft is formed and is comprised shaft coupling that is connected with speed reduction unit and the main shaft that links to each other with speed reduction unit.
Preferably: on the main shaft during described driving shaft is formed eccentric shoe is housed, eccentric shoe links to each other with the motion slide block, and tested oil-pressure damper links to each other with the motion slide block.
Preferably: described tested vibration damper is connected on the mechanical stage body by connector, and the connection between connector and the mechanical stage body is to drive jig by handwheel to fix.
Preferably: described jig is provided with and the corresponding locating device that is connected by leading screw of handwheel, is provided with the leading screw pressing plate between handwheel and the leading screw, and a side of locating device also is provided with a block, is provided with the anti-rotation baffle plate between handwheel and the gib head base.
Preferably: described locating device is that a swing bolt that is connected with leading screw is formed with the nut that links to each other with swing bolt, and pin and bearing pin are packed in base with locating device and form.
Preferably: described TT﹠C system comprises switch board and is installed in its inner industrial computer, the display that is connected with industrial computer, printer, electrical system, and the frequency converter and the pull pressure sensor and the displacement transducer that are installed on the mechanical stage body that are installed in vertical framework rear portion.
Preferably: the speed setting value in the described industrial computer sends frequency converter to by the RS-485 serial line interface, the signal that described pull pressure sensor and displacement transducer record carries out computing through signal conditioning circuit through entering industrial computer after the A/D conversion.
The beneficial effects of the utility model are: frequency converter is set in the TT﹠C system, adopts variable-frequency control technique, test speed is adjustable continuously from 0.001-0.3m/s (being equivalent to frequency 0.003-1Hz), can satisfy the test of at present known various railway vehicle vibration damping devices; Test specification is big, and vertical oil-pressure damper test specification is that 100-700mm is adjustable, is that 150-1200mm is adjustable to lateral oil pressure damper test specification, can satisfy the test of at present known various ride-controls; And by pull pressure sensor and displacement transducer with the test figure of measured oil pressure damper by signal conditioning circuit and A/D plate, enter industrial computer and handle the performance parameter of seeing oil-pressure damper that the back can be real-time on display, and its performance analyzed, type of attachment for various vibration dampers, be furnished with unit clamp and install, easy to use.
Description of drawings
Fig. 1 is the structural representation of the utility model machinery stage body
Fig. 2 is the structural representation of mechanical stage body left view of the present utility model
Fig. 3 is the structural representation of drive system of the present utility model
Fig. 4 is the structural representation of jig of the present utility model
Fig. 5 is that the utility model industrial computer TT﹠C system constitutes block diagram
Fig. 6 is the utility model electric part schematic diagram
Embodiment
Specific embodiment of the utility model is as follows:
A kind of oil-pressure damper testing table, mainly form with the TT﹠C system that is connected with mechanical stage body by mechanical stage body, be provided with the frequency converter 35 that control motor 32 rotates in the described TT﹠C system, frequency converter 35 is installed on the frequency converter installing plate 27, and frequency converter installing plate 27 is installed on the mechanical stage body; The machinery stage body comprise base 2, side by side be installed on vertical framework 14 and horizontal strut 3 on the base 2, be arranged at the drive system 1 on the base 2 and be installed in gib head base 5 on the T-slot 28 of vertical framework 14 and horizontal strut 3, be respectively arranged with vertical gib head 34 and horizontal gib head 4 on the gib head base 5, wherein, the top of vertical gib head 34 is provided with hoisting gear 9, and the top of hoisting gear 9 is provided with roll adjustment wheel 6; Drive system 1 comprise the driving shafts that are installed in the vertical framework 14 form and be attached thereto be installed in the speed reduction unit 33 on the speed reduction unit backing plate 15 and be installed in motor 32 on the motor backing plate 17, wherein, driving shaft is formed and is comprised shaft coupling 31 that is connected with speed reduction unit 33 and the main shaft 10 that links to each other with speed reduction unit 33; On the main shaft 10 during driving shaft is formed eccentric shoe 12 is housed, eccentric shoe 12 links to each other with motion slide block 11, and tested oil-pressure damper 13 links to each other with motion slide block 11; Tested vibration damper 13 is connected on the mechanical stage body by connector, and the connection between connector and the mechanical stage body is to drive jig by handwheel 18 to fix; Jig is provided with and the handwheel 18 corresponding locating devices 7 that are connected by leading screw 23, be provided with leading screw pressing plate 16 between handwheel 18 and the leading screw 23, one side of locating device 7 also is provided with a block 21, is provided with anti-rotation baffle plate 20 between handwheel 18 and the gib head base 5; Locating device 7 is that a swing bolt 25 that is connected with leading screw 23 is formed with the nut 24 that links to each other with swing bolt 25, and pin 36 and bearing pin 26 are packed in locating device 7 on the base 2; TT﹠C system comprises switch board and is installed in its inner industrial computer, the display that is connected with industrial computer, printer, electrical system, and the frequency converter 35 and the pull pressure sensor 22 and the displacement transducer 30 that are installed on the mechanical stage body that are installed in vertical framework 14 rear portions; Speed setting value in the industrial computer sends frequency converter 35 to by the RS-485 serial line interface, and the signal that described pull pressure sensor 22 and displacement transducer 30 record carries out computing through signal conditioning circuit through entering industrial computer after the A/D conversion.
The testing table principle of work is the velocity amplitude that will measure to the industrial computer input by mouse or keyboard, speed setting value in the industrial computer sends frequency converter to by the RS-485 serial line interface, and then the control motor turns round with correspondent frequency, the driven by motor reductor, drive main axis rotation through the back of slowing down, eccentric shoe is housed on the main shaft, eccentric shoe drives the motion slide block and pumps, tested vibration damper links to each other with the motion slide block, thereby realizes the skimulated motion of vibration damper.The velocity of rotation of motor is regulated by the control of conversion device by computing machine, and stroke can be regulated by the offset of slide block, and according to the requirement of different tests amplitude, 0-60mm is adjustable for the slide block offset, is fixed on 25mm during test.
Test and vertically can rotate to driving mechanism vertical and horizontal level respectively during with lateral damper.Be furnished with different connectors for the vibration damper of different connected modes, the connection between connector and the testing table all is to drive jig by handwheel to fix, and is easy to loading and unloading.
During work, three-phase alternating current is given frequency converter V1 and motor M1 power supply by contactor KM1, L3 gives linear power supply G1 power supply by circuit breaker Q 1, emergency stop switch S0, rotary switch S1 mutually, return pilot lamp H0, H1 power supply in addition, speed setting value in the industrial computer sends frequency converter V1 to by the RS-485 serial line interface, and then control motor M1 turns round with correspondent frequency, eccentric shoe is housed on the main shaft, eccentric shoe drives the motion slide block and pumps, tested vibration damper links to each other with the motion slide block, has realized the skimulated motion of vibration damper.Simultaneously, linear power supply G1 converts AC220V to DC ± 5V voltage, the DC1A electric current, give the power supply of the monitoring element in the TT﹠C system, wherein, + 5V gives amplifier A1, A2 and pull pressure sensor SF1, the SF2 power supply,-5V gives displacement transducer R1 power supply, pull pressure sensor SF1, the signal that SF2 gathers is through amplifier A1, A2, after the filtering conditioning for the normal voltage signal of ± 5V after and the signal of displacement transducer R1 enter industrial computer after through the A/D conversion and carry out computing, the numerical value report of the F-S family curve that can obtain the measured oil pressure damper and F-V family curve (load-position diagram) and F-V family curve and relevant characterisitic parameter also can be passed through printer prints.
Claims (9)
1, a kind of oil-pressure damper testing table, mainly form with the TT﹠C system that is connected with mechanical stage body by mechanical stage body, it is characterized in that: be provided with the frequency converter that the control motor rotates in the described TT﹠C system, frequency converter is installed on the frequency converter installing plate, and the frequency converter installing plate is installed on the mechanical stage body.
2, oil-pressure damper testing table as claimed in claim 1, it is characterized in that: described mechanical stage body comprise base, side by side be installed on vertical framework and horizontal strut on the base, be arranged at the drive system on the base and be installed in gib head base on the T-slot of vertical framework and horizontal strut, be respectively arranged with vertical gib head and horizontal gib head on the gib head base, wherein, the top of vertical gib head is provided with hoisting gear, and the top of hoisting gear is provided with the roll adjustment wheel.
3, oil-pressure damper testing table as claimed in claim 2, it is characterized in that: described drive system comprise the driving shaft that is installed in the vertical framework form and be attached thereto be installed in the speed reduction unit on the speed reduction unit backing plate and be installed in motor on the motor backing plate, wherein, driving shaft is formed and is comprised shaft coupling that is connected with speed reduction unit and the main shaft that links to each other with speed reduction unit.
4, oil-pressure damper testing table as claimed in claim 3 is characterized in that: on the main shaft during described driving shaft is formed eccentric shoe is housed, eccentric shoe links to each other with the motion slide block, and tested oil-pressure damper links to each other with the motion slide block.
5, oil-pressure damper testing table as claimed in claim 4 is characterized in that: described tested vibration damper is connected on the mechanical stage body by connector, and the connection between connector and the mechanical stage body is to drive jig by handwheel to fix.
6, oil-pressure damper testing table as claimed in claim 5, it is characterized in that: described jig is provided with and the corresponding locating device that is connected by leading screw of handwheel, be provided with the leading screw pressing plate between handwheel and the leading screw, one side of locating device also is provided with a block, is provided with the anti-rotation baffle plate between handwheel and the gib head base.
7, oil-pressure damper testing table as claimed in claim 6 is characterized in that: described locating device is that a swing bolt that is connected with leading screw is formed with the nut that links to each other with swing bolt, and pin and bearing pin are packed in base with locating device and form.
8, oil-pressure damper testing table as claimed in claim 1, it is characterized in that: described TT﹠C system comprises switch board and is installed in its inner industrial computer, the display that is connected with industrial computer, printer, electrical system, and the frequency converter and the pull pressure sensor and the displacement transducer that are installed on the mechanical stage body that are installed in vertical framework rear portion.
9, oil-pressure damper testing table as claimed in claim 8, it is characterized in that: the speed setting value in the described industrial computer sends frequency converter to by the RS-485 serial line interface, the signal that described pull pressure sensor and displacement transducer record carries out computing through signal conditioning circuit through entering industrial computer after the A/D conversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203090626U CN201138294Y (en) | 2007-12-25 | 2007-12-25 | Test platform for oil pressure vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203090626U CN201138294Y (en) | 2007-12-25 | 2007-12-25 | Test platform for oil pressure vibration damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201138294Y true CN201138294Y (en) | 2008-10-22 |
Family
ID=40038978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203090626U Expired - Lifetime CN201138294Y (en) | 2007-12-25 | 2007-12-25 | Test platform for oil pressure vibration damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201138294Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221470A (en) * | 2011-04-01 | 2011-10-19 | 浙江大学 | Performance parameter test system of silicon oil damper for vehicle |
| CN104089769A (en) * | 2014-07-26 | 2014-10-08 | 吉林大学 | Reciprocating type liquid shock absorber simulation test device |
| CN104155125A (en) * | 2014-08-15 | 2014-11-19 | 青岛四方车辆研究所有限公司 | Hydraulic servo damper test bench |
| CN107505128A (en) * | 2017-08-18 | 2017-12-22 | 中车青岛四方车辆研究所有限公司 | Oil-pressure damper deflection test platform |
| CN107588943A (en) * | 2017-10-25 | 2018-01-16 | 海门市铁路机车车辆配件厂有限公司 | AC servo test platform for oil pressure vibration damper |
| CN110631823A (en) * | 2019-10-21 | 2019-12-31 | 海门市铁路机车车辆配件厂有限公司 | Alternating current servo oil pressure damper test bed |
-
2007
- 2007-12-25 CN CNU2007203090626U patent/CN201138294Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221470A (en) * | 2011-04-01 | 2011-10-19 | 浙江大学 | Performance parameter test system of silicon oil damper for vehicle |
| CN102221470B (en) * | 2011-04-01 | 2012-09-19 | 浙江大学 | Performance parameter test system of silicon oil damper for vehicle |
| CN104089769A (en) * | 2014-07-26 | 2014-10-08 | 吉林大学 | Reciprocating type liquid shock absorber simulation test device |
| CN104155125A (en) * | 2014-08-15 | 2014-11-19 | 青岛四方车辆研究所有限公司 | Hydraulic servo damper test bench |
| CN107505128A (en) * | 2017-08-18 | 2017-12-22 | 中车青岛四方车辆研究所有限公司 | Oil-pressure damper deflection test platform |
| CN107588943A (en) * | 2017-10-25 | 2018-01-16 | 海门市铁路机车车辆配件厂有限公司 | AC servo test platform for oil pressure vibration damper |
| CN110631823A (en) * | 2019-10-21 | 2019-12-31 | 海门市铁路机车车辆配件厂有限公司 | Alternating current servo oil pressure damper test bed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 231, Ruichang Road, Sifang District, Shandong, Qingdao: 266000 Patentee after: Qingdao Sifang Vehicle Research Institute Co., Ltd. Address before: No. 231, Ruichang Road, Sifang District, Shandong, Qingdao: 266000 Patentee before: Sifang Rolling Stock Research Institute, CNR |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Patentee Correct: Qingdao Sifang Rolling Stock Research Institute Co., Ltd. False: Qingdao Sifang Vehicle Research Institute Co., Ltd. Number: 05 Page: 836 Volume: 25 |
|
| C56 | Change in the name or address of the patentee |
Owner name: QINGDAO CITY SIFANG VEHICLE RESEARCH INSTITUTE CO. Free format text: FORMER NAME: CHINA NORTH VEHICLE GROUP SIFANG RESEARCH INSTITUTE |
|
| ERR | Gazette correction |
Free format text: CORRECT: PATENTEE; FROM: QINGDAO CITY SIFANG VEHICLE RESEARCH INSTITUTE CO., LTD. TO: QINGDAO SIFANG VEHICLE RESEARCH INSTITUTE CO., LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081022 |