CN201138283Y - Automatic test apparatus for microcomputer controlled elastic side bearing - Google Patents
Automatic test apparatus for microcomputer controlled elastic side bearing Download PDFInfo
- Publication number
- CN201138283Y CN201138283Y CNU2007201383849U CN200720138384U CN201138283Y CN 201138283 Y CN201138283 Y CN 201138283Y CN U2007201383849 U CNU2007201383849 U CN U2007201383849U CN 200720138384 U CN200720138384 U CN 200720138384U CN 201138283 Y CN201138283 Y CN 201138283Y
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- frame
- side bearing
- elastic side
- pressure
- transducer
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model relates to a microcomputer control automatic tester of an elastic side bearing body, which belongs to the technology field of testing and which is used to solve the problem of spring testing. The technical proposal of the utility model is as follows: the microcomputer control automatic tester consists of a frame, a hydraulic cylinder, a rail pair, a pressure sensor, a displacement sensor and a data acquisition and processing circuit; the pressure sensor is fixed on the lower part of the frame; a leveling instrument is arranged at the upper part of the frame; the hydraulic cylinder is vertically fixed right above the sensor; the lower end of the cylinder rod of the hydraulic cylinder which extends downward is provided with a pressure plate; the rail of the rail pair is vertically fixed on the frame; the slide rod of the rail pair is connected with the lower end of the cylinder rod; the displacement sensor is vertically fixed on the frame; the draw rod of the displacement sensor is connected with the slide rod; and the signal output terminals of the pressure sensor and the displacement sensor are connected with the data acquisition and processing circuit. The microcomputer control automatic tester is easy to be used and has reliable operation, high detecting efficiency, measuring accuracy and low failure rate. In addition, the automatic tester can automatically finish tests, so anthropogenic influence and the working strength of operating staff are greatly reduced.
Description
Technical field
The utility model relates to a kind of railway locomotive elastic side bearing body performance test apparatus, belongs to the detection technique field.
Background technology
The Ministry of Railways is about " railway freight-car the JC type double-acting elastic side bearing technical conditions and the method for inspection " regulation, and the dress of JC type double-acting elastic side bearing body must be reviewed elastic side bearing body normal temperature vertical stiffness with unit.Because at present general unit does not all have special elastic side bearing body automatic test equipment, can only use the UP test unit manually to test, thereby process of the test is loaded down with trivial details, efficient is low, measuring accuracy is poor, can not adapt to the bulge test requirement of elastic side bearing body.
Summary of the invention
The utility model be used to overcome prior art defective, a kind of easy and simple to handle, efficient, system controlled by computer elastic side bearing body automatic test equipment that measuring accuracy is high is provided.
The alleged problem of the utility model realizes with following technical proposals:
A kind of system controlled by computer elastic side bearing body automatic test equipment, by frame 1, hydraulic cylinder 2, guideway, pressure transducer PR, displacement transducer LT and data acquisition and treatment circuit are formed, described pressure transducer PR is fixed in frame 1 bottom, its top is provided with horizontal survey seat 8, described hydraulic cylinder 2 vertically is fixed in directly over the pressure transducer PR, pressure disc 4 is equipped with in its piston rod that stretches out downwards 3 lower ends, the guide rail 6 of described guideway vertically is fixed on the frame 1, the slide block 5 of guideway is connected with piston-rod lower end, described displacement transducer LT vertically is fixed on the frame 1, its pull bar is connected with slide block 5, and the signal output part of pressure transducer PR and displacement transducer LT connects data acquisition and treatment circuit.
Above-mentioned system controlled by computer elastic side bearing body automatic test equipment, described data acquisition and treatment circuit are made up of pressure unit PAD, analog to digital converter ADC and PLC, the output terminal of the input termination pressure transducer PR of described pressure unit PAD, its VC+, VC-end connects C+, the C-end of analog to digital converter ADC respectively, the signal output part of the A+ termination displacement transducer LT of described analog to digital converter ADC, the end of the same name of L+, M termination PLC, the PORT0 interface of PLC connects industrial computer.
Above-mentioned system controlled by computer elastic side bearing body automatic test equipment, described displacement transducer LT are accurate pull bar resistance displacement sensor or grating displacement sensor.
The utility model utilizes hydraulic cylinder that the tested engine elastic side bearing body is exerted pressure, automatically locomotive elastic side bearing body pressure size and decrement are accurately measured with pressure transducer and displacement transducer, data acquisition and treatment circuit are used for automatically measurement data being collected, being handled and output.Guideway can stop piston rod 3 to tilt, and provides accurate straight-line guidance for displacement transducer simultaneously.The control of employing industrial computer can make test unit finish process of the test automatically.The utility model stable and reliable operation, simple to operate, detection efficiency and measuring accuracy height, failure rate are low, can finish test automatically to elastic side bearing body, reduce man's activity and labor intensity of operating personnel greatly, can adapt to the bulge test requirement of elastic side bearing body.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is an one-piece construction synoptic diagram of the present utility model;
Fig. 2 is an electrical schematic diagram;
Each label is among the figure: 1, frame, 2, hydraulic cylinder, 3, piston rod, 4, pressure disc, 5, slide block, 6, guide rail, 7, cushion block, 8, measuring seat, PR, pressure transducer, LT, displacement transducer, PAD, pressure unit, ADC, analog to digital converter, GK, industrial computer, PC/PPI+, signal converter.
Embodiment
Referring to Fig. 1, the axis of sensor is concentric with the axis of cylinder piston rod, has effectively guaranteed measuring accuracy.Displacement transducer adopts accurate pull bar resistance-type, and is easy for installation, and antipollution and interference are strong.Pressure transducer adopts shears beam type, for improving the test stress equalization, two sensors that range is 2.5t has been installed below measuring seat.Test unit can adopt whole plank frame, obtaining higher intensity, has effectively eliminated the influence of the distortion of physical construction in the process of the test to test findings.Pressure transducer is positioned at the measuring seat bottom, is fixed together by socket head cap screw and measuring seat.Hydraulic cylinder adopts the forward flange formula to install, and piston rod part is equipped with pressure disc, and pressure disc links together by web joint and rolling guide-rail pairs, and the slide block that drives guideway when pressure disc is moved moves together.But the rotation of rolling guide-rail pairs limited piston bar and pressure disc provides accurate straight-line guidance for displacement transducer simultaneously.
Referring to Fig. 2, the utility model adopts industrial computer control, finishes process of the test automatically.During work, pressure transducer converts the elastic side bearing body pressure to electric signal, and this signal is sent into C+, the C-end of analog to digital converter ADC behind pressure unit PAD; Displacement transducer is accurately measured the elastic side bearing body decrement, and measured signal is sent into the A+ end of analog to digital converter ADC, and analog to digital converter ADC carries out the AD conversion with these signals, and PLC handles after reading these data, and uploads industrial computer.The utility model can be realized various functions such as the judgement, data storage, report printing, man-machine interaction of automatic control, the test findings of process of the test.Data acquisition system adopted high speed, high-resolution analog-to-digital conversion module can be gathered each signal of sensor exactly under the situation of sensor movement, effectively put forward the real-time and the accuracy that guarantee measurement.Can also set up manual control system, automatic control system and manual control system are separate, also can test by manual control system, and touch-screen also can show various Test Information such as displacement and pressure in the process of the test.
Claims (3)
1, a kind of system controlled by computer elastic side bearing body automatic test equipment, it is characterized in that, it is by frame (1), hydraulic cylinder (2), guideway, pressure transducer (PR), displacement transducer (LT) and data acquisition and treatment circuit are formed, described pressure transducer (PR) is fixed in frame (1) bottom, its top is provided with horizontal survey seat (8), described hydraulic cylinder (2) vertically is fixed in directly over the pressure transducer (PR), pressure disc (4) is equipped with in its piston rod that stretches out downwards (3) lower end, the guide rail of described guideway (6) vertically is fixed on the frame (1), the slide block of guideway (5) is connected with piston-rod lower end, described displacement transducer (LT) vertically is fixed on the frame (1), its pull bar is connected with slide block (5), and the signal output part of pressure transducer (PR) and displacement transducer (LT) connects data acquisition and treatment circuit.
2, according to the described system controlled by computer elastic side bearing body of claim 1 automatic test equipment, it is characterized in that, described data acquisition and treatment circuit are made up of pressure unit (PAD), analog to digital converter (ADC) and PLC, the output terminal of the input termination pressure transducer (PR) of described pressure unit (PAD), its VC+, VC-end connects C+, the C-end of analog to digital converter (ADC) respectively, the signal output part of the A+ termination displacement transducer (LT) of described analog to digital converter (ADC), the end of the same name of L+, M termination PLC, the PORT0 interface of PLC connects industrial computer.
3, according to claim 1 or 2 described system controlled by computer elastic side bearing body automatic test equipments, it is characterized in that described displacement transducer (LT) is accurate pull bar resistance displacement sensor or grating displacement sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201383849U CN201138283Y (en) | 2007-12-27 | 2007-12-27 | Automatic test apparatus for microcomputer controlled elastic side bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201383849U CN201138283Y (en) | 2007-12-27 | 2007-12-27 | Automatic test apparatus for microcomputer controlled elastic side bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201138283Y true CN201138283Y (en) | 2008-10-22 |
Family
ID=40038967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201383849U Expired - Fee Related CN201138283Y (en) | 2007-12-27 | 2007-12-27 | Automatic test apparatus for microcomputer controlled elastic side bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201138283Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581627B (en) * | 2009-06-25 | 2011-05-04 | 浙江大学 | Comprehensive performance test device of chain tensioner |
| CN102218686A (en) * | 2011-06-01 | 2011-10-19 | 北京物华天宝安全玻璃有限公司 | Thickness measuring device of vertical glass edging machine |
| CN102996580A (en) * | 2012-11-27 | 2013-03-27 | 齐齐哈尔轨道交通装备有限责任公司 | Control system for side bearing oil cylinder |
| CN103335619A (en) * | 2013-06-26 | 2013-10-02 | 苏州长发塑胶有限公司 | Equipment for detecting size of product |
| CN103454082A (en) * | 2013-09-04 | 2013-12-18 | 昆山倚信精密工业有限公司 | Load detecting mechanism |
| CN103471827A (en) * | 2013-09-04 | 2013-12-25 | 昆山倚信精密工业有限公司 | Spring loading detection mechanism |
| CN105527080A (en) * | 2015-12-09 | 2016-04-27 | 天津百特瑞机械自动化科技有限公司 | Gear system component automatic detection system |
| CN106403882A (en) * | 2016-12-01 | 2017-02-15 | 无锡明珠钢球有限公司 | Hole depth automation measurement device |
-
2007
- 2007-12-27 CN CNU2007201383849U patent/CN201138283Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581627B (en) * | 2009-06-25 | 2011-05-04 | 浙江大学 | Comprehensive performance test device of chain tensioner |
| CN102218686A (en) * | 2011-06-01 | 2011-10-19 | 北京物华天宝安全玻璃有限公司 | Thickness measuring device of vertical glass edging machine |
| CN102996580A (en) * | 2012-11-27 | 2013-03-27 | 齐齐哈尔轨道交通装备有限责任公司 | Control system for side bearing oil cylinder |
| CN103335619A (en) * | 2013-06-26 | 2013-10-02 | 苏州长发塑胶有限公司 | Equipment for detecting size of product |
| CN103454082A (en) * | 2013-09-04 | 2013-12-18 | 昆山倚信精密工业有限公司 | Load detecting mechanism |
| CN103471827A (en) * | 2013-09-04 | 2013-12-25 | 昆山倚信精密工业有限公司 | Spring loading detection mechanism |
| CN105527080A (en) * | 2015-12-09 | 2016-04-27 | 天津百特瑞机械自动化科技有限公司 | Gear system component automatic detection system |
| CN106403882A (en) * | 2016-12-01 | 2017-02-15 | 无锡明珠钢球有限公司 | Hole depth automation measurement device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |