CN2646656Y - Crankshaft multi-parameter pneumatic measuring device - Google Patents
Crankshaft multi-parameter pneumatic measuring device Download PDFInfo
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- CN2646656Y CN2646656Y CN 03255182 CN03255182U CN2646656Y CN 2646656 Y CN2646656 Y CN 2646656Y CN 03255182 CN03255182 CN 03255182 CN 03255182 U CN03255182 U CN 03255182U CN 2646656 Y CN2646656 Y CN 2646656Y
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- 238000005259 measurement Methods 0.000 claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 16
- 239000000956 alloy Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model belongs to the field of mechanism checking, and relates to a crankshaft multi-parameter pneumatic measuring device, which comprises a pneumatic system, an electric system and a mechanical system, wherein the mechanical system comprises a base, a lifting device, a measuring mechanism and an axially telescopic measuring mechanism. The axially telescopic measuring mechanism is positioned on the right side of the base. The lifting device is positioned in a box body of the base. The measuring mechanism comprises five measuring and positioning V-shaped seats which are arranged in parallel and are distributed with pneumatic spray nozzle measuring heads, and the measuring and positioning V-shaped seats are vertically arranged on the upper plane of the base. The pneumatic spray nozzle measuring heads are controlled by the pneumatic system. The electric system is connected with the pneumatic system, and then a gas-electricity converting and measuring system controlled by an industrial computer is formed. The utility model can check the mismachining tolerance of the size and the shape position of each shaft journal of the crankshaft, and realize the multi-parameter measurement of the crankshaft.
Description
Technical field: the utility model belongs to the mechanical detection field, relates to a kind of bent axle multiparameter air measuring device.
Background technology: bent axle machining precision height, complex-shaped and measured parameter is many, on-the-spot detection means commonly used: mechanical formula weight cubing, float type air-gauge, do not have data processing functions such as computing, printing and storage, and can not truly measure radially, the kinetic measurement project of technological requirement such as axial runout amount and circularity, tapering.And general gauging instrument and three coordinate measuring machine can not adapt to high beat, requirements of large-scale production.Thereby the multi-parameter measuring systems of configure dedicated is the needs of bent axle processing quality control.Because electronic measurement is convenient to data processing, storage and control, thereby the bent axle multiparameter measuring device generally adopts electronic measurement, but there are defectives such as complex structure, cost and failure rate height in it.That pneumatic gauging has is simple in structure, cost low and advantage such as noncontact, is convenient to inside dimension especially, small size is measured, but is difficult for being for data processing and storing.On the basis of pneumatic gauging, adopt the crank shaft measurement device of pneumoelectric switch technology exploitation, realized the measuring multiple parameters digitizing, can embody a concentrated reflection of the advantage of pneumatic gauging and electronic measurement, application promise in clinical practice is arranged in the mechanical measurement field.
Summary of the invention: the utility model is in order to solve the problems of measurement of bent axle multiparameter, a kind of bent axle multiparameter air measuring device is proposed, it is characterized in that: described measurement mechanism comprises pneumatic system, electrical system and mechanical system, described mechanical system comprises pedestal, elevating mechanism, measuring mechanism and axial stretching measuring mechanism, and described axial stretching measuring mechanism is positioned at described pedestal right side; Described elevating mechanism is positioned at the box house of described pedestal; Described measuring mechanism comprises the measurement and positioning V-type seat that is furnished with the air-blast atomizer gauge head of five parallel placements vertically, and described measurement and positioning V-type seat is vertically mounted on the last plane of described pedestal; Described air-blast atomizer gauge head is controlled by described pneumatic system; Described electrical system connects with described pneumatic system, is the gas of Industrial Computer Control-electric converted measurement system.
The pneumatic multiparameter measuring device of this bent axle can detect bent axle size and shape position mismachining tolerance, realized the online measuring multiple parameters of bent axle, the bent axle that shows with data and diagrammatic form finally detects information, is convenient to timely adjusting process and lathe, improves the product qualified rate that rolls off the production line.
Description of drawings:
Fig. 1 is a measurement mechanism synoptic diagram of the present utility model;
Fig. 2 is an axial stretching measuring mechanism structural representation of the present utility model;
Fig. 3 is first, five measuring seat gauge heads of the present utility model and location structure synoptic diagram;
Fig. 4 is that the B of Fig. 3 is to view;
Fig. 5 be of the present utility model second and third, four measuring seat gauge head distributed architecture synoptic diagram;
Fig. 6 is that the C of Fig. 4 is to view;
Fig. 7 is the 3rd a measuring seat nozzle arrangements synoptic diagram of the present utility model;
Fig. 8 is pneumatic measuring system figure of the present utility model;
Fig. 9 is a measurement process flow diagram of the present utility model.
Specific embodiments: as shown in Figure 1, this crank shaft measurement device is made up of mechanical system, pneumatic system 17 and electrical system 8.The fundamental measurement principle is that workpiece physical dimension size changes the air gap between gauge head and the surface of the work, cause air chamber pressure variation between gauge head and the throttle orifice thus, by differential pressure pick-up air pressure change is converted to voltage signal, again by the signal conditioning circuit processing and amplifying after multi-channel data acquisition card time sharing sampling, under the control of industrial computer, finish the tasks such as demonstration, warning, storage, printing of measurement result at last.
Mechanical measuring system mainly comprises pedestal 1, elevating mechanism 15, measuring mechanism 14 and axial stretching measuring mechanism 5, wherein measuring mechanism 11 and axial stretching measuring mechanism 5 are installed in the last plane of pedestal 1, measuring mechanism 11 has five measurement and positioning seats, parallel vertically placement; Axial stretching measuring mechanism 5 is positioned at the right side of pedestal 1.As shown in Figure 2, axial stretching measuring mechanism 5 comprises pedestal 13, measures mandrel 20, contact plug jet and guide rail 4, cylinder 7 etc., measuring mandrel 20 is air-blast atomizer formula mandrel, can endwisely slip along guide rail 4 under the driving of cylinder 7, is used to measure the bearing bore dia and beats; Contact measuring head 22 is installed in the end face of slide block 26 vertically, is used for the measuring junction surface jitter; Be provided with leverage 19,21 in measurement mandrel 20 both sides, contact measuring head 23,24,25 radially is arranged on the slide block, contacts with leverage 21,19 respectively, and jump in the diameter, the footpath that are used to measure the flywheel locating journal; Measuring mandrel 20 and contact measuring head 23,24,25 all is connected with pneumatic system by tracheae 18.These gauge head distributed architectures rationally, compact and selected dissimilar gauge heads for use according to measurement requirement, comprise contact measuring head, rectangular nozzle and round nozzle etc.During measurement, this mechanism arrives under the promotion of cylinder measures the position; Measurement finishes, and this mechanism withdraws from measures the position, finishes a measuring period;
Elevating mechanism 15 is positioned at the box house of pedestal 1, be for making things convenient for the loading and unloading of bent axle, make it arrive the measuring position smoothly and design, comprising the linkage assembly 16 of two V-type forks 2 and air cylinder driven, two V-types fork 2 is perpendicular to the parallel placement of axis of workpiece, and its lower end is connected with cylinder piston rod; When not measuring, two V-types fork 2 rises to top, waits for the bent axle 3 of coming from raceway; Measure beginning, two V-types fork 2 slowly descends, and the 1st, 5 king journal of bent axle is located respectively to left and right sides measuring seat two location V-types, and two V-types fork 2 continues to descend and breaks away from bent axle 3 to lowest order; After the measurement action was finished, two V-types fork 2 slowly rose, and raised bent axle 3 behind contact bent axle 3, rose to most significant digit, finished a heave period.
The diameter run-out of all tested axle journals of bent axle all is that the common axis with first, five king journals is design basis and measuring basis, simultaneously, the first, five king journals also require to measure three diameter of sections, only need to arrange three pairs of gauge heads in the scope of 28mm at the crankshaft journal width, as shown in Figure 3, in the bottom of first, five measuring seats hi-Fix V-type alloy 27 is installed, is made to measure to combine dexterously with positioning function.As shown in Figure 4, horizontally disposed in the scope that the side and the crankshaft journal width of first, five measuring seats adapts have three pairs of air-blast atomizer gauge heads 28,29,30, measure first, second, third diameter of section respectively, adopt the small and exquisite air-blast atomizer of physical dimension can satisfy the requirement that all measure project well.For bent axle second and third, four axle journals, except desired three the diameter of section parameters of first, five axle journals, also require to measure the diameter run-out parameter, therefore under measuring seat, be equipped with and measure the contact measuring head 31 that jump in the footpath, side arrangement at measuring seat has three pairs of air-blast atomizer formula gauge heads 32,33,34, measure first, second, third diameter of section respectively, as Fig. 5, shown in Figure 6,, the diameter data in each three cross sections of axle journal can obtain structural parameters such as desired circularity, tapering by being carried out analyzing and processing.In addition, as shown in Figure 7, on the 3rd measuring seat except three pairs of air-blast atomizer formula gauge heads that the side distributes, also be evenly equipped with in the left and right side and measure that left and right sides thrust surface is beated, isoparametric four nozzles 35 of width, promptly on this measuring seat, concentrate distributed 11 nozzles and gauge head.The air-blast atomizer formula gauge head of this measurement mechanism all is connected with pneumatic system 17 by tracheae 18.In addition, this measurement mechanism satisfy to be measured under the prerequisite of beat, has adopted three cross section air snaps to measure four connecting rod necks, has promptly satisfied measurement requirement, makes measurement mechanism simply dexterous again, has avoided too defective such as complexity of tracking measurement structure.
Pneumatic gauging 17 systems as shown in Figure 8, source of the gas is transported to 39 drive test amount gas circuits by arriving gas-holder through one-level filtration, cascade filtration and exsiccator behind the gas circuit main valve from gas-holder, 39 each line structure of drive test amount gas circuit are identical.Be divided into two-way from the air of gas-holder output after by voltage stabilizer, the one tunnel arrives the zeroing cone valve through throttle orifice, and another road arrives gaging nozzle through throttle orifice, is in series with pneumatic-to-current converter between two gas circuits, connects output voltage V.Owing to adopted a series of air purification and stable-pressure device, guaranteed to measure the required source of the gas in loop.39 drive test amount gas circuits all have an independently accurate voltage stabilizer and adopt differential pressure type to measure, and have improved measuring accuracy, have reduced measuring error.
Whole system operation is by 8 controls of electric measurement system, comprises display 9, button 10 and control knob 11, and electric measurement system 7 is connected with mechanical system by control gas circuit 12.The electric measurement system adopts the gas of Industrial Computer Control-electric converted measurement system.Its principle is to adopt pneumatic-to-current converter, is analog voltage signal with the air pressure drop conversion of signals, by industrial computer it is gathered, calculates and shows, thereby realize measurement automatically, the measuring system that shows and print.No matter each measures passage is that gas circuit or circuit all are separate, every passage has all adopted the core of silicon piezoresistance type pressure sensor as pneumatic-to-current converter, this pressure transducer is a little differential pressure sensor, the constant voltage power supply, total temperature compensation and demarcation, dip, response is fast, the measuring accuracy height.Every road output electric signal shows measured value after handling through the amplification of high-precision low-power consumption instrumentation amplifier, filtering and computer system data on display.Native system is hyperchannel, measuring multiple parameters, so A/D input and conversion portion have adopted 1 32 circuit-switched data capture card and 1 16 circuit-switched data capture card.Industrial computer had both been handled metrical information, also had functions such as extraneous input of response and fault diagnosis, can directly show 47 parameter measurements, and can whether qualified judge simultaneously and provide overproof signal.Software configuration comprises eight parts compositions such as zeroing, multiplying power point module, measurement module, preservation data module, print data module, statistical analysis module, user's load module, fault diagnosis module, overproof alarm module.Measure flow process as shown in Figure 9, begin to adjust, sample, show adjusted value, the value at zero point is also stored in school zero, again school multiplying power and store multiplier value; Enter process of measurement then, sampling, measurement main shaft diameter, carry out data processing, show the main shaft diameter measured value, survey a connecting rod then successively, show a connecting rod measured value, survey two connecting rods and show two connecting rod measured values, survey three connecting rods and show three connecting rod measured values, survey four connecting rods and show four connecting rod measured values, finish.
Concrete measuring process is: the bent axle to be measured on the raceway is positioned over the V-type that rises to most significant digit sticks; Press " decline " knob and break away from the V-type fork and drop down onto on the V-type of location until bent axle, the axial stretching measuring mechanism arrived under the promotion of cylinder and measured this moment; One week of turning crankshaft, computer acquisition and deal with data; Measurement finishes, and presses " rising " knob, and V-type is stuck and risen and raise bent axle; Computing machine shows measurement data and overproof warning.
The application of the pneumatic multiparameter measuring device of this bent axle can detect the nearly all size and shape of bent axle position mismachining tolerance on the one hand, feedback bent axle comprehensive detection information is given preceding working procedure, be convenient to timely adjusting process and lathe, the assurance end product quality that rolls off the production line is absolutely qualified, thereby realizes the quality control of bent axle processing; For thin-walled parts that is not suitable for contact type measurement and Precision Machining part, adopt pneumatic online detection that the method for can using for reference is provided on the other hand, for providing experience in field of machining popularization pneumatic gauging technology and multiparameter online measuring technique.
Claims (6)
1, a kind of bent axle multiparameter air measuring device, it is characterized in that: described measurement mechanism comprises pneumatic system, electrical system and measuring system, described measuring system comprises pedestal, jacking gear, measuring mechanism and axial stretching measuring mechanism, and described axial stretching measuring mechanism is positioned at described pedestal right side; Described jacking gear is positioned at the box house of described pedestal; Described measuring mechanism comprises the measurement and positioning V-type seat that is furnished with the air-blast atomizer gauge head of five parallel placements vertically, and described measurement and positioning V-type seat is vertically mounted on the last plane of described pedestal; Described air-blast atomizer gauge head is controlled by described pneumatic system; Described electrical system connects with described pneumatic system, is the gas of Industrial Computer Control-electric converted measurement system.
2, bent axle multiparameter air measuring device as claimed in claim 1, it is characterized in that: described axial stretching measuring mechanism comprises pedestal, measures mandrel, contact measuring head, described measurement mandrel is can be along the guide rail axially-movable on the described pedestal under the driving of cylinder, described contact measuring head is positioned at described guide rail both sides, and probe part contacts with described guide rail.
3, bent axle multiparameter air measuring device as claimed in claim 1, it is characterized in that: described jacking gear comprises the linkage assembly of two V-type forks and air cylinder driven, described two V-type fork shafts are to parallel placement, spacing by the they sup-port of passing plane positioning hole on the described pedestal, the lower end of described support bar be connected with cylinder piston rod by connecting rod;
4, bent axle multiparameter air measuring device as claimed in claim 1, it is characterized in that: hi-Fix V-type alloy is installed in the bottom of described first, five measuring seats, the interior horizontally disposed three pairs of air-blast atomizer gauge heads that have of the width range of the 28mm that side and crankshaft journal width adapt.
5, bent axle multiparameter air measuring device as claimed in claim 1, it is characterized in that: described second and third, four measuring seats under be equipped with and measure the contact measuring head that jump in the footpath, horizontally disposed in the width range of the 28mm that adapts with the crankshaft journal width have three pairs of air-blast atomizer gauge heads.
6, bent axle multiparameter air measuring device as claimed in claim 5 is characterized in that: described the 3rd measuring seat also is evenly equipped with in the left and right side measures that left and right sides thrust surface is beated, four nozzle gauge heads of width parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03255182 CN2646656Y (en) | 2003-08-22 | 2003-08-22 | Crankshaft multi-parameter pneumatic measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03255182 CN2646656Y (en) | 2003-08-22 | 2003-08-22 | Crankshaft multi-parameter pneumatic measuring device |
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| CN2646656Y true CN2646656Y (en) | 2004-10-06 |
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| CN 03255182 Expired - Lifetime CN2646656Y (en) | 2003-08-22 | 2003-08-22 | Crankshaft multi-parameter pneumatic measuring device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101358858B (en) * | 2007-07-31 | 2010-06-16 | 比亚迪股份有限公司 | Detection device and method for crankshaft position sensor |
| CN101762227B (en) * | 2008-10-31 | 2012-09-05 | 江苏罡阳股份有限公司 | Timing angle detecting device for crankshaft assembly chain wheel |
| CN104019716A (en) * | 2014-06-09 | 2014-09-03 | 广西玉柴机器股份有限公司 | Device for inspecting crankshaft blank |
| CN104457628A (en) * | 2014-11-28 | 2015-03-25 | 华北水利水电大学 | Programmable pneumatic electronic measuring device |
| CN105333788A (en) * | 2015-12-14 | 2016-02-17 | 重庆凯西驿电子科技有限公司 | Gear shaft rapid detection mechanism |
| CN105403148A (en) * | 2015-11-27 | 2016-03-16 | 天津大学 | Measurement apparatus of center position accuracy of all journals of crank shaft, and measurement and calibration methods thereof |
| CN106482609A (en) * | 2016-11-08 | 2017-03-08 | 广西玉柴机器股份有限公司 | Thrust surface of cylinder body thickness detection apparatus |
| CN107036562A (en) * | 2016-12-13 | 2017-08-11 | 鹤山市源创电机有限公司 | A kind of axle circularity detection device |
| CN109013476A (en) * | 2018-07-20 | 2018-12-18 | 江苏科技大学 | A kind of cleaning machine and crankshaft cleaning method of more specification crankshafts |
| CN110068264A (en) * | 2019-05-21 | 2019-07-30 | 珠海凯邦电机制造有限公司 | Detection device and method |
| CN110360976A (en) * | 2019-06-21 | 2019-10-22 | 昆明理工大学 | A kind of multifunctional linkage rod general measuring instrument |
| CN110806188A (en) * | 2019-10-11 | 2020-02-18 | 成都飞机工业（集团）有限责任公司 | Accurate detection system and method for precision size of cylindrical shaft |
-
2003
- 2003-08-22 CN CN 03255182 patent/CN2646656Y/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101358858B (en) * | 2007-07-31 | 2010-06-16 | 比亚迪股份有限公司 | Detection device and method for crankshaft position sensor |
| CN101762227B (en) * | 2008-10-31 | 2012-09-05 | 江苏罡阳股份有限公司 | Timing angle detecting device for crankshaft assembly chain wheel |
| CN104019716A (en) * | 2014-06-09 | 2014-09-03 | 广西玉柴机器股份有限公司 | Device for inspecting crankshaft blank |
| CN104457628A (en) * | 2014-11-28 | 2015-03-25 | 华北水利水电大学 | Programmable pneumatic electronic measuring device |
| CN105403148B (en) * | 2015-11-27 | 2018-04-13 | 天津大学 | A kind of measurement of each journal centre's measuring unit for position dimensions of bent axle and scaling method |
| CN105403148A (en) * | 2015-11-27 | 2016-03-16 | 天津大学 | Measurement apparatus of center position accuracy of all journals of crank shaft, and measurement and calibration methods thereof |
| CN105333788A (en) * | 2015-12-14 | 2016-02-17 | 重庆凯西驿电子科技有限公司 | Gear shaft rapid detection mechanism |
| CN106482609A (en) * | 2016-11-08 | 2017-03-08 | 广西玉柴机器股份有限公司 | Thrust surface of cylinder body thickness detection apparatus |
| CN107036562A (en) * | 2016-12-13 | 2017-08-11 | 鹤山市源创电机有限公司 | A kind of axle circularity detection device |
| CN109013476A (en) * | 2018-07-20 | 2018-12-18 | 江苏科技大学 | A kind of cleaning machine and crankshaft cleaning method of more specification crankshafts |
| CN110068264A (en) * | 2019-05-21 | 2019-07-30 | 珠海凯邦电机制造有限公司 | Detection device and method |
| CN110360976A (en) * | 2019-06-21 | 2019-10-22 | 昆明理工大学 | A kind of multifunctional linkage rod general measuring instrument |
| CN110806188A (en) * | 2019-10-11 | 2020-02-18 | 成都飞机工业（集团）有限责任公司 | Accurate detection system and method for precision size of cylindrical shaft |
| CN110806188B (en) * | 2019-10-11 | 2021-08-03 | 成都飞机工业（集团）有限责任公司 | Accurate detection system and method for precision size of cylindrical shaft |
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Patentee address after: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, China Patentee address before: 442001 Shiyan City, Hubei province city Zhangwan District Road No. 1 |
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Expiration termination date: 20130822 Granted publication date: 20041006 |