CN102155896B - 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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- CN102155896B CN102155896B CN201110059322XA CN201110059322A CN102155896B CN 102155896 B CN102155896 B CN 102155896B CN 201110059322X A CN201110059322X A CN 201110059322XA CN 201110059322 A CN201110059322 A CN 201110059322A CN 102155896 B CN102155896 B CN 102155896B
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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 ", as sensor the geological information of measured workpiece is provided, 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, and its range of linearity generally is tens microns and arrives the hundreds of micron that 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 received 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 to reach radially both direction measurement in the tangential of gear.The one-dimensional gauge head can't be realized the conversion of tangential and radial measurement, must change gauge head and could realize measuring, and it is not only time-consuming to change gauge head, and gauge head need reorientate, and brings new alignment error.Therefore, reinstall radially or the tangential gauge head generally need be demarcated and could use, bring very big inconvenience, influence efficiency of measurement to the user.And adopt the two-dimentional gauge head of the double-deck building of sheet spring formula structure, and because every layer of parallel spring all has a sensor, the cost of gauge head is increased, but also it is big to exist the gauge head volume, complex structure, technical requirement are high, on instrument, are difficult for shortcomings such as installation.
At present, also not to 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 volumes, is suitable for installing, and can realize that the tangential and the two-dimentional gauge head of radially conversion are very necessary.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of tangential and the radial measurement that in a device, can realize gear 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 the parallelogram reed structure that plate, 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 the guide rail on the base plate, on described guide rail, slidely connects slide block; Described slide block can be located on base plate through 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 laterally arranges each other, and a 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 against each other and links to each other through screw; Measuring staff one end is provided with surveys ball and its other end is a spheric end, and 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, and fixed connection has the conversion sloped element on 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; On the measuring staff between the side end face of the side end face of described linear bearing and upper and lower clamping plate, be set with the tensioner element, described tensioner element comprises spring and the keeper that is enclosed within on the measuring staff, and described spring one end leans on the side end face of upper and lower clamping plate simultaneously that its other end leans on keeper; On described framework, be connected with dial gauge, described dial gauge tangentially holds out against setting with described moving plate mutually.
Outstanding advantage of the present invention is:
1. gauge head adopts the inclined-plane transformational structure, realizes the tangential and the 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 realize that the tangential measures the mutual conversion with radial measurement, thereby avoided changing tangential or the radially demarcation again behind the gauge head, improved efficiency of measurement.
3. this gauge head is applied in the tangential when measuring, and the ergometry basically identical of two directions about guaranteeing has kept the advantage of biplate spring structure.
4. this gauge head not only can use on gear measuring instrument, can also in other surveying instruments such as coordinate measuring machine, use as two-way micrometer gauge head.
This gauge head can be realized the tangential of gear and radial measurement, 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 concrete embodiment, and, the present invention is done further explanation with reference to accompanying drawing:
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 the 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 through 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 laterally arranges each other, and a 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 against each other and links to each other through screw; Measuring staff 2 one ends are provided with surveys ball 1 and its other end is a spheric end, and 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, and fixed connection has the conversion sloped element on 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; On the measuring staff between the side end face of the side end face of described linear bearing 4 and upper and lower clamping plate, be set with tensioner element 6, described tensioner element comprises spring 6-2 and the keeper that is enclosed within on the measuring staff, and described spring one end leans on the side end face of upper and lower clamping plate simultaneously that its other end leans 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 on measuring staff 2, makes chuck through described chuck 6-1.On described framework 13, be connected with dial gauge 7, described dial gauge 7 tangentially holds out against setting with described moving plate mutually.Tangential and radial direction are 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 the conversion with the tangential.Measuring staff invariant position when measuring staff locating device 5 can guarantee the 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 in the tangential, the invariant position of survey ball when having guaranteed the gauge head tangential and radially having changed through the dog screw 5-1 that vertically is provided with and the location-plate 5-2 on being connected base plate.The structure of measuring staff locating device 5 is 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, with the tangential with 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 is installed on the slide block 3 with measuring staff locating device 5 and moves 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 and the slide block on the line slideway in the parallelogram reed structure 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, to contact with the moving plate 9 of parallelogram reed structure and make dial gauge 7 indicating values be zero to adjustment dial gauge 7.
When the tangential is measured, 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 function that the gauge head tangential is measured.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 is 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 through conversion sloped element 10 and transmit side-play amount to dial gauge 7, realize the function of gauge head radial measurement.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 to the gear tangential with radially carry 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 free movement in the tangential, this moment, gauge head was the 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 through conversion sloped element 10 and transmit side-play amount to dial gauge 7 when measuring staff 2 is experienced the radial deflection amount.At this moment, gauge head is gauge head radially, can carry out the measurement of radial direction.Like the diameter run-out of prototype gear, the profile of tooth deviation of cycloidal gear etc.
4) to different gears, step 2,3 can exchange the tangential and radially conversion of realizing gauge head.
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 the parallelogram reed structure that plate, 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 the guide rail on the base plate, on described guide rail, slidely connects slide block; Described slide block can be located on base plate through 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 laterally arranges each other, and a side and the moving plate of described train wheel bridge one side and lower plate are fixedly linked; The opposite side of described train wheel bridge is provided with at interval against each other with the opposite side of lower plate and links to each other through screw; Measuring staff one end is provided with surveys ball and its other end is a spheric end, and 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, and fixed connection has the conversion sloped element on 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; On the measuring staff between the side end face of the side end face of described linear bearing and upper and lower clamping plate, be set with the tensioner element, described tensioner element comprises spring and the keeper that is enclosed within on the measuring staff, and described spring one end leans on the side end face of upper and lower clamping plate simultaneously that its other end leans on keeper; On described framework, be connected with dial gauge, described dial gauge tangentially holds out against setting with described moving plate mutually.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
|---|---|---|---|
| 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 CN102155896A (en) | 2011-08-17 |
| CN102155896B true CN102155896B (en) | 2012-07-25 |
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| CN201110059322XA Expired - Fee Related CN102155896B (en) | 2011-03-11 | 2011-03-11 | Single-sensor two-dimensional contact type measuring probe based on gear measurement |
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| CN107817014A (en) * | 2017-12-09 | 2018-03-20 | 无锡特恒科技有限公司 | Universal gauge head component |
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| CN112902896B (en) * | 2020-06-02 | 2022-05-10 | 南京泰普森自动化设备有限公司 | Measuring device and sensor assembly thereof |
| CN113587817A (en) * | 2021-08-30 | 2021-11-02 | 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0373644A1 (en) * | 1988-12-15 | 1990-06-20 | Governor Of Toyama Prefecture Yutaka Nakaoki | Three-dimensional displacement gauge |
| US5727326A (en) * | 1995-01-17 | 1998-03-17 | Klingelnberg Sohne Gmbh | Pivotable two-coordinate scanning head with horizontal main axis |
| US6131300A (en) * | 1997-05-20 | 2000-10-17 | Klingelnberg Sohne Gmbh | Universal scanning head for gear measurements |
| CN101029817A (en) * | 2006-11-21 | 2007-09-05 | 贵州大学 | Two-dimensional displacement sensor and applied large-measuring range surface figure measuring device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6064206A (en) * | 1983-09-19 | 1985-04-12 | Tokyo Seimitsu Co Ltd | Two-dimensional and three-dimensional displacement detecting device |
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2011
- 2011-03-11 CN CN201110059322XA patent/CN102155896B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0373644A1 (en) * | 1988-12-15 | 1990-06-20 | Governor Of Toyama Prefecture Yutaka Nakaoki | Three-dimensional displacement gauge |
| US5727326A (en) * | 1995-01-17 | 1998-03-17 | Klingelnberg Sohne Gmbh | Pivotable two-coordinate scanning head with horizontal main axis |
| US6131300A (en) * | 1997-05-20 | 2000-10-17 | Klingelnberg Sohne Gmbh | Universal scanning head for gear measurements |
| CN101029817A (en) * | 2006-11-21 | 2007-09-05 | 贵州大学 | Two-dimensional displacement sensor and applied large-measuring range surface figure measuring device |
Non-Patent Citations (1)
| Title |
|---|
| JP昭60-64206A 1985.04.12 |
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