CN102155896A - Single-sensor two-dimensional contact type measuring probe based on gear measurement - Google Patents
Single-sensor two-dimensional contact type measuring probe based on gear measurement Download PDFInfo
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- CN102155896A CN102155896A CN 201110059322 CN201110059322A CN102155896A CN 102155896 A CN102155896 A CN 102155896A CN 201110059322 CN201110059322 CN 201110059322 CN 201110059322 A CN201110059322 A CN 201110059322A CN 102155896 A CN102155896 A CN 102155896A
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Abstract
The invention discloses a single-sensor two-dimensional contact type measuring probe based on gear measurement, comprising a parallelogram reed structure that consists of a fixed plate, a movable plate and a reed, wherein the fixed plate is fixed on a bottom plate; the single-sensor two-dimensional contact type measuring probe also comprises an elastic locking device and a guideway that is arranged on the bottom plate in a tangential direction; a sliding block is connected on the guideway; the sliding block can be positioned on the bottom plate by a measuring rod positioning device; a linear bearing is fixedly connected in the middle of the sliding block; one end of the measuring rod is provided with a measuring ball and the other end of the measuring rod is a spherical end; the measuring rod is connected with the linear bearing in a sliding way along the radial direction sequentially and can be clamped and connected in conjunction with a clamping hole that is arranged between an upper clamping plate and a lower clamping plate of the elastic locking device; a slope converting element with a slope is fixedly connected on the movable plate; the spherical end of the measuring rod can abut against the slope of the slope converting element; and a frame is connected with a micrometer that abuts against the movable plate. The measuring probe can be used for measuring the gear in tangential direction and radial direction, and the gear measurement efficiency can be improved.
Description
Technical field
The present invention relates to gauge head, be specifically related to single-sensor two dimension contact measuring head based on gear measurement.
Background technology
Gauge head is one of critical component of surveying instruments such as " gear measuring centers ", provides the geological information of measured workpiece as sensor, and its development level directly affects measuring accuracy, serviceability and the service efficiency of instrument.Gauge head is divided into two kinds of contactless gauge head and contact measuring heads usually, and wherein, contactless gauge head is divided into laser feeler and optical video gauge head, and in contact measuring head, what generally use at present is the soft gauge head of contact.The soft gauge head of contact can be divided into one dimension, two peacekeeping three dimensional probe, 3-D probes again.At present, the three dimensional probe, 3-D probe that surveying instrument uses is to adopt " three layers " parallel spring structure a bit, and the parallel spring structure belongs to a kind of of elastic guide, its range of linearity generally is tens microns and arrives the hundreds of micron, resolution can reach submicron order, not having machinery and rub, need not lubricate, not produce heat and noise, autokinesis height, is one of core component of the soft gauge head of contact.Every layer of parallel spring structure of gauge head is typically equipped with the displacement of a direction of a sensor impression.When the survey feel of the ball was subjected to displacement, gauge head just sent the micrometer signal, was received and storage of measurement data by computing machine through processing of circuit.
In gear measurement, need gauge head in the tangential of gear and radially both direction measure.The one-dimensional gauge head can't be realized conversion tangential and radial measurement, must change gauge head and could realize measurement, and the replacing gauge head is not only time-consuming, and gauge head need reorientate, and brings new alignment error.Therefore, reinstall radially or tangential gauge head generally need be demarcated and could use, bring very big inconvenience, influence efficiency of measurement to the user.And the two-dimentional gauge head of the double-deck building of employing sheet spring formula structure because every layer of parallel spring all has a sensor, not only makes the cost of gauge head increase, but also it is big to exist the gauge head volume, and complex structure, technical requirement height are difficult for shortcomings such as installation on instrument.
At present, also not at the two-dimentional gauge head of the single-sensor of gear measurement, and China is gear big country, and the gauge head of one-dimensional gauge head and multi-storey structure can't better meet the needs of gear measurement.Therefore, according to the actual needs of gear measurement, it is little to design a volume, is suitable for installing, and can realize that tangential two-dimentional gauge head with radially conversion is very necessary.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of tangential and radial measurement that can realize gear in a device is provided, improved the single-sensor two dimension contact measuring head based on gear measurement of efficiency of measurement.
Single-sensor two dimension contact measuring head based on gear measurement of the present invention, it comprises by deciding plate, the parallelogram reed structure that moving plate and reed are formed, describedly decide plate and be fixed on the base plate, on described base plate, be fixedly connected with framework, it also comprises elastic locking device and tangentially is installed in guide rail on the base plate, on described guide rail, slidely connect slide block, described slide block can be located on base plate by the measuring staff locating device, be connected with linear bearing in described slide block center fixed, described elastic locking device comprises train wheel bridge and the lower plate that be arranged in parallel each other, one side and the moving plate of described train wheel bridge and lower plate are fixedly linked, the opposite side of described train wheel bridge and lower plate is provided with at interval toward each other and links to each other by screw, measuring staff one end is provided with the survey ball and its other end is a spheric end, described measuring staff radially is slidingly connected mutually with described linear bearing successively and can be connected with the chucking hole phase snap-fit that forms between the last lower plate, the fixedly connected conversion sloped element that has the inclined-plane on the described moving plate, the spheric end of described measuring staff can hold out against cooperation mutually with the inclined-plane of described conversion sloped element, the side end face of described linear bearing and on, be set with the tensioner element on the measuring staff between the side end face of lower plate, described tensioner element comprises spring and the keeper that is enclosed within on the measuring staff, described spring one end leans last, on the side end face of lower plate simultaneously its other end lean on keeper, be connected with dial gauge on described framework, described dial gauge tangentially holds out against setting mutually with described moving plate.
Outstanding advantage of the present invention is:
1. gauge head adopts the inclined-plane transformational structure, realizes the tangential and radial measurement of gear, has saved the sensor of a direction, and is simple in structure small and exquisite, is fit to install.
2. in gear measurement, because this gauge head can be realized tangential mutual conversion of measuring with radial measurement, thereby avoided changing tangentially or the radially demarcation again behind the gauge head, improved efficiency of measurement.
3. when this gauge head was applied in tangential measurement, the ergometry basically identical of two directions about guaranteeing had kept the advantage of biplate spring structure.
4. this gauge head not only can use on gear measuring instrument, can also use as two-way micrometer gauge head in other surveying instruments such as coordinate measuring machine.
This gauge head can be realized the tangential and radial measurement to gear, improves the efficient of gear measurement, effectively solves the domestic problem that runs in this field.
Description of drawings
Fig. 1 is the structural representation of the single-sensor two dimension contact measuring head based on gear measurement of the present invention;
Fig. 2 is the guide rail slide block structure synoptic diagram of gauge head shown in Figure 1;
Fig. 3 is the structural representation of the measuring staff locating device of gauge head shown in Figure 1;
Fig. 4 is the structural representation of the elastic locking device of gauge head shown in Figure 1;
Fig. 5 is the structural representation of the tensioner element of gauge head shown in Figure 1.
Embodiment
Below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described further:
The single-sensor two dimension contact measuring head based on gear measurement of the present invention as shown in the figure, it comprises by deciding the parallelogram reed structure that plate 12, moving plate 9 and reed 11 are formed, concrete structure and application about the parallelogram reed please refer to: Yang Haijun. the performance study of parallel spring guide rail [J]. and Xi'an Institute of Technology's journal, 2004 (1): 15-18.Describedly decide plate 12 and be fixed on the base plate, on described base plate, be fixedly connected with framework 13, it also comprises elastic locking device 8 and tangentially is installed in guide rail 14 on the base plate, on described guide rail 14, slidely connect slide block 3, described slide block can be located on base plate by the measuring staff locating device, be connected with linear bearing 4 in described slide block 3 center fixed, described elastic locking device 8 comprises train wheel bridge 8-1 and the lower plate 8-2 that be arranged in parallel each other, one side and the moving plate of described train wheel bridge and lower plate are fixedly linked, the opposite side of described train wheel bridge and lower plate is provided with at interval toward each other and links to each other by screw, measuring staff 2 one ends are provided with survey ball 1 and its other end is a spheric end, described measuring staff 2 radially is slidingly connected mutually with described linear bearing 4 successively and can be connected with the chucking hole phase snap-fit that forms between the last lower plate, the fixedly connected conversion sloped element that has the inclined-plane on the described moving plate 9, the spheric end of described measuring staff 2 can hold out against cooperation mutually with the inclined-plane of described conversion sloped element 10, the side end face of described linear bearing 4 and on, be set with tensioner element 6 on the measuring staff between the side end face of lower plate, described tensioner element comprises spring 6-2 and the keeper that is enclosed within on the measuring staff, and described spring one end leans last, on the side end face of lower plate simultaneously its other end lean on keeper.Described keeper can comprise the chuck 6-1 that is enclosed within on the measuring staff, and clamping screw holds out against the stationkeeping that makes chuck on measuring staff 2 by described chuck 6-1.Be connected with dial gauge 7 on described framework 13, described dial gauge 7 tangentially holds out against setting mutually with described moving plate.Tangential and radial direction as shown in Figure 1.
Described measuring staff locating device 5 can comprise vertically the dog screw 5-1 that is provided with, and described dog screw 5-1 passes slide block and makes the slide block location and tighten setting mutually with location-plate 5-2 on being connected base plate.
The parallelogram reed structure can make plate 9 and survey ball 1 basic maintenance translation in motion process as the tangential guide rail of gauge head in this device, has reduced owing to surveying the measuring error that the variation of ball 1 with the workpiece contact point produces.Linear bearing 4 can guarantee to survey the radial motion precision of ball 1 as the radial guidance of gauge head, and conversion sloped element 10 is delivered to moving plate 9 with radial displacement, realizes radially and tangential conversion.Measuring staff invariant position when measuring staff locating device 5 can guarantee tangential measurement with the radial measurement conversion, the positional precision of the initial measurement point of ball is surveyed in assurance.When radially changing, adopted slide block to tighten the measuring staff locating device 5 of setting mutually tangential by the dog screw 5-1 that vertically is provided with and the location-plate 5-2 on being connected base plate, guaranteed gauge head tangential when radially changing the invariant position of survey ball.The structure of measuring staff locating device 5 as shown in Figure 3.Usually adopt the high precision linear bearing to guarantee the radial measurement precision of gauge head as radial guidance.
Gauge head adopts existing parallelogram reed structure, will tangential and radially change sloped element 10 and be fixed on the moving plate 9.The slide block guide rail assembly is installed in the place ahead of moving plate 9, and linear bearing 4 and measuring staff locating device 5 are installed on the slide block 3 and move with slide block.One end passes linear bearing for spherical measuring staff, contacts with the conversion sloped element 10 of installing on the moving plate 9.Contact for making measuring staff 2 and inclined-plane not have the gap, tensioner element 6 is arranged on the measuring staff.In addition, interfere for preventing that moving plate in the parallelogram reed structure and the slide block on the line slideway from producing mutually when the tangential motion, having adopted has the slide block guide rail of tolerance clearance pair to eliminate the influence of interfering, and the slide block guide rail pair does not play the guide-localization effect.
During measurement two-dimentional contact measuring head is installed on the gear measuring instrument, makes measuring staff 2 fixing the measuring staff locating device 5 of gauge head and elastic locking device 8 lockings, survey ball 1 and be positioned at the measurement origin position.At this moment, it is zero adjusting that dial gauge 7 contacts with the moving plate 9 of parallelogram reed structure and make dial gauge 7 indicating values.
During tangential the measurement, unclamp measuring staff locating device 5, because there are tolerance clearance in slide block and guide rail, at this moment, slide block and guide rail do not have supporting role, and the tangential motion guide rail is a friction free parallel spring guide rail.The tangential side-play amount that survey ball 1 is experienced can directly pass to dial gauge 7 by moving plate 9, has realized the tangential function of measuring of gauge head.Latch mechanism adopts the elasticity clamping mode, has not only prevented the rotation of measuring staff, because last lower plate clamps measuring staff simultaneously, has reduced the deflection deformation of measuring staff in vertical direction simultaneously.The structure of elastic locking device 8 as shown in Figure 4.
During radial measurement (as measuring the tooth error of cycloidal gear).Unclamp elastic locking device 8, and measuring staff locating device 5 is in locking state, at this moment, can carry out the measurement of radial direction, to radially move when measuring staff 2 is experienced the radial deflection amount, and promote moving plate 9 by conversion sloped element 10 and transmit side-play amount, realize the function of gauge head radial measurement to dial gauge 7.Angle value according to the conversion inclined-plane can be demarcated, calculate the proportionate relationship of measured value and actual value, and obtains the error of gear.
Adopt following steps that gear tangentially and is radially carried out handover measurement:
1) gauge head is installed on the gear measuring instrument, make measuring staff 2 fixing measuring staff locating device 5 and elastic locking device 8 lockings, adjustment dial gauge 7 contacts with the moving plate 9 of parallelogram reed structure and makes the indicating value of dial gauge 7 is zero, and survey ball 1 and be positioned at the measurement origin position this moment.
2) unclamp on the slide block 3 measuring staff locating device 5 and make and survey ball 1 in tangential free movement, this moment, gauge head was tangential gauge head, experienced the tangential error of gear.As measure the profile of tooth deviation of involute gear, tooth pitch deviation etc.
3) with 5 lockings of measuring staff locating device, unclamp elastic locking device 8 then, with radial motion, promote moving plate 9 by conversion sloped element 10 and transmit side-play amount when measuring staff 2 is experienced the radial deflection amount to dial gauge 7.At this moment, gauge head is gauge head radially, can carry out the measurement of radial direction.As the diameter run-out of prototype gear, the profile of tooth deviation of cycloidal gear etc.
4) at different gears, step 2,3 can exchange the tangential of realization gauge head and radially conversion.
According to above-mentioned steps, can realize the function of single-sensor two-dimensional measurement.
Claims (2)
1. based on the two-dimentional contact measuring head of the single-sensor of gear measurement, it comprises by deciding plate, the parallelogram reed structure that moving plate and reed are formed, describedly decide plate and be fixed on the base plate, on described base plate, be fixedly connected with framework, it is characterized in that: it also comprises elastic locking device and tangentially is installed in guide rail on the base plate, on described guide rail, slidely connect slide block, described slide block can be located on base plate by the measuring staff locating device, be connected with linear bearing in described slide block center fixed, described elastic locking device comprises train wheel bridge and the lower plate that be arranged in parallel each other, one side and the moving plate of described train wheel bridge and lower plate are fixedly linked, the opposite side of described train wheel bridge and lower plate is provided with at interval toward each other and links to each other by screw, measuring staff one end is provided with the survey ball and its other end is a spheric end, described measuring staff radially is slidingly connected mutually with described linear bearing successively and can be connected with the chucking hole phase snap-fit that forms between the last lower plate, the fixedly connected conversion sloped element that has the inclined-plane on the described moving plate, the spheric end of described measuring staff can hold out against cooperation mutually with the inclined-plane of described conversion sloped element, the side end face of described linear bearing and on, be set with the tensioner element on the measuring staff between the side end face of lower plate, described tensioner element comprises spring and the keeper that is enclosed within on the measuring staff, described spring one end leans last, on the side end face of lower plate simultaneously its other end lean on keeper, be connected with dial gauge on described framework, described dial gauge tangentially holds out against setting mutually with described moving plate.
2. the single-sensor two dimension contact measuring head based on gear measurement according to claim 1, it is characterized in that: described measuring staff locating device comprises vertically the dog screw that is provided with, and described dog screw passes slide block and makes the slide block location and tighten setting mutually with location-plate on being connected base plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110059322XA CN102155896B (en) | 2011-03-11 | 2011-03-11 | Single-sensor two-dimensional contact type measuring probe based on gear measurement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110059322XA CN102155896B (en) | 2011-03-11 | 2011-03-11 | Single-sensor two-dimensional contact type measuring probe based on gear measurement |
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| CN102155896A true CN102155896A (en) | 2011-08-17 |
| CN102155896B CN102155896B (en) | 2012-07-25 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441002A (en) * | 2016-09-30 | 2017-02-22 | 浙江德福精密驱动制造有限公司 | Spline runout detection measuring tool |
| CN106767263A (en) * | 2017-01-21 | 2017-05-31 | 上海模具技术研究所有限公司 | A kind of device for measuring part concealment part gap width |
| CN107063665A (en) * | 2017-05-09 | 2017-08-18 | 广西大学 | It is a kind of to limit the experimental rig that out-of-plain failure and guarantee are symmetrically destroyed |
| CN107356216A (en) * | 2017-09-05 | 2017-11-17 | 机科发展科技股份有限公司 | Movable self-positioning automatic measurement mechanism |
| CN107817014A (en) * | 2017-12-09 | 2018-03-20 | 无锡特恒科技有限公司 | Universal gauge head component |
| CN107869977A (en) * | 2017-11-23 | 2018-04-03 | 深圳力合精密装备科技有限公司 | A kind of coordinate measuring machine chaining pin clamping and adjustment mechanism |
| CN108398110A (en) * | 2018-03-06 | 2018-08-14 | 苏州普费勒精密量仪有限公司 | Without friction resilient measuring mechanism |
| CN109238100A (en) * | 2018-10-23 | 2019-01-18 | 东莞天龙阿克达电子有限公司 | A kind of wheel tooth tip internal diameter measuring instrument of internal gear |
| CN109443171A (en) * | 2018-11-23 | 2019-03-08 | 格特拉克（江西）传动系统有限公司 | A kind of general disc type gear M value detection device |
| CN111721248A (en) * | 2020-06-02 | 2020-09-29 | 南京泰普森自动化设备有限公司 | Measuring device and sensor assembly thereof |
| CN114543676A (en) * | 2021-08-30 | 2022-05-27 | 长光（沧州）光栅传感技术有限公司 | Device and method for detecting radial run-out and circle center motion curve of roller bearing |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441002A (en) * | 2016-09-30 | 2017-02-22 | 浙江德福精密驱动制造有限公司 | Spline runout detection measuring tool |
| CN106767263A (en) * | 2017-01-21 | 2017-05-31 | 上海模具技术研究所有限公司 | A kind of device for measuring part concealment part gap width |
| CN107063665A (en) * | 2017-05-09 | 2017-08-18 | 广西大学 | It is a kind of to limit the experimental rig that out-of-plain failure and guarantee are symmetrically destroyed |
| CN107356216B (en) * | 2017-09-05 | 2024-03-22 | 机科发展科技股份有限公司 | Movable self-positioning automatic measuring mechanism |
| CN107356216A (en) * | 2017-09-05 | 2017-11-17 | 机科发展科技股份有限公司 | Movable self-positioning automatic measurement mechanism |
| CN107869977A (en) * | 2017-11-23 | 2018-04-03 | 深圳力合精密装备科技有限公司 | A kind of coordinate measuring machine chaining pin clamping and adjustment mechanism |
| CN107817014A (en) * | 2017-12-09 | 2018-03-20 | 无锡特恒科技有限公司 | Universal gauge head component |
| CN108398110A (en) * | 2018-03-06 | 2018-08-14 | 苏州普费勒精密量仪有限公司 | Without friction resilient measuring mechanism |
| CN109238100A (en) * | 2018-10-23 | 2019-01-18 | 东莞天龙阿克达电子有限公司 | A kind of wheel tooth tip internal diameter measuring instrument of internal gear |
| CN109443171A (en) * | 2018-11-23 | 2019-03-08 | 格特拉克（江西）传动系统有限公司 | A kind of general disc type gear M value detection device |
| CN109443171B (en) * | 2018-11-23 | 2024-02-27 | 麦格纳动力总成(江西)有限公司 | General disc gear M value detection device |
| CN111721248A (en) * | 2020-06-02 | 2020-09-29 | 南京泰普森自动化设备有限公司 | Measuring device and sensor assembly thereof |
| CN114543676A (en) * | 2021-08-30 | 2022-05-27 | 长光（沧州）光栅传感技术有限公司 | Device and method for detecting radial run-out and circle center motion curve of roller bearing |
| CN114543676B (en) * | 2021-08-30 | 2023-07-25 | 长光（沧州）光栅传感技术有限公司 | Roller bearing radial runout and circle center movement curve detection device and detection method thereof |
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