CN103175459A - Measuring device for run-out values of pitch diameters of external threads - Google Patents
Measuring device for run-out values of pitch diameters of external threads Download PDFInfo
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- CN103175459A CN103175459A CN2012101885376A CN201210188537A CN103175459A CN 103175459 A CN103175459 A CN 103175459A CN 2012101885376 A CN2012101885376 A CN 2012101885376A CN 201210188537 A CN201210188537 A CN 201210188537A CN 103175459 A CN103175459 A CN 103175459A
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Abstract
The invention particularly relates to a measuring device for run-out values of pitch diameters of external threads, and belongs to manufacturing processes and equipment technologies for aeronautic machinery. The measuring device comprises a measuring device body and a part support. The measuring device body comprises a mounting seat, two guide rails, a gauge rack, a slide carriage, a measuring block, a measuring head, a spring, two other guide rails, a cushion block, another slide carriage and a dial gauge, and the part support comprises a base plate and two 'V'-shaped supporting seats. The measuring device has the advantages that the measuring device is used for detecting run-out of the pitch diameters of the external threads, the measuring head positioned at a pitch diameter location in threads can be driven by a rolling mechanism to move axially and radially along with rotation of the threads in a measuring procedure, a run-out value can be directly read from the dial gauge, the device is simple and compact in structure and convenient to use but can be used for detecting run-out of the pitch diameters of the external threads under conditions that the requirement on the precision is high, the threads are extremely short and detection is constrained by the shape and the position of a part, and the measurement precision is improved.
Description
Technical field
The invention belongs to aviation machine technological equipment for making technology, be specifically related to a kind of measurement mechanism of pitch diameter of external thread jitter values.
Background technology
Thread connection because it is made simple and connects reliably, is widely used in aircraft industry.Due to the singularity of aircraft industry with to the requirement of interchangeability, the size of double thread part need check at large.And the threaded male component higher to some accuracy requirements when needs detect central diameter and beat, normally adopts the pitch diameter of thread to obtain jerk value with the method for the tested central diameter of ring gauge conversion of Small Taper.It detects principle is by simulating the externally threaded fitting that links, and with the ring gauge screw-in part of the pitch diameter of thread with Small Taper, beating by detection ring gauge cylindrical obtains jerk value indirectly.The shortcoming of this measuring method is: 1. be not directly to measure the jerk value that obtains, but adopt the method for indirectly measuring, can not truly reflect the part actual conditions.2. very short when the part reach, screw thread one end has again diameter greater than the step surface of diameter of screw, makes taper ring-ga(u)ge not have enough strokes to move vertically, and therefore measured conversion is irrealizable.In addition, if tested pitch diameter of thread accuracy requirement is high, so the height that the taper ring-ga(u)ge precision will be more very, be difficult to make, therefore adopt said method to go to measure with taper ring-ga(u)ge, will be very difficult.
Summary of the invention
The objective of the invention is: propose a kind ofly can directly measure and read jitter values, and measuring head should be able to should be made radially and the axial measurement mechanism that moves simultaneously of both direction along with the rotating photo of screw thread when measuring.
Technical scheme of the present invention is:
a kind of measurement mechanism of pitch diameter of external thread jitter values, it is characterized in that, comprise measurement mechanism main body and part support 16, the measurement mechanism main body comprises mount pad 1, two guide rails 2, dial framework 3, slide carriage 5, measure piece 8, measuring head 9, spring 10, two guide rails 12, cushion block 13, slide carriage 14, indicating gauge 15, mount pad 1 bottom has rectangular through slot, two guide rails 2 are connected by screw respectively parallel being fixed on mount pad 1, one side of every guide rail 2 has " V " type groove, " V " type notch is relative, the rectangular through slot center line of " V " type groove center line and mount pad 1 bottom is perpendicular, slide carriage 5 both sides have " V " type groove identical with guide rail 2, be arranged between two guide rails 2, " V " type notch of slide carriage 5 both sides is relative respectively with " V " type notch of two guide rails 2, " V " type groove among of " V " type groove of guide rail 2 and slide carriage 5 is laid four rollers, make slide carriage 5 to slide along guide rail 2, slide carriage 5 is vertical with mount pad 1 bottom rectangle groove center line along the movement locus of guide rail 2, keeping the gap between slide carriage 5 and mount pad 1 is 0.2～0.5mm, the upper surface of slide carriage 5 is than the high 0.2～0.5mm of upper surface of two guide rails 2, dial framework 3 is the L-type body structure, L-type body base plate and side plate are perpendicular, pin 11 is vertically mounted on the plate medial surface of L-type side, L-type body base plate is fixedly connected with slide carriage 5 by screw, one side of two guide rails 12 has " V " type groove, be connected by screw respectively parallel dial framework 3 plate upper surfaces that are fixed on, " V " type notch is relative, " V " type groove center line of two guide rails 12 is parallel with mount pad 1 bottom rectangle groove center line, slide carriage 14 both sides have " V " type groove identical with guide rail 12, be arranged between two guide rails 12, " V " type notch of two guide rails 12 is relative respectively with " V " type notch of slide carriage 14, " V " type groove among of " V " type groove of two guide rails 12 and slide carriage 14 is laid four rollers, make slide carriage 14 to slide along guide rail 12, the movement locus of slide carriage 14 is parallel with mount pad 1 bottom rectangle groove center line, gap between slide carriage 14 and dial framework 3 plate upper surfaces is 0.2～0.5mm, measure piece 8 and be arranged on slide carriage 14 upper surfaces by screw, measure piece 8 front ends cushion block 13 is installed, measuring piece 8 is connected by screw with cushion block 13, have the hole in the middle of cushion block 13, hole on measuring head 9 and above-mentioned cushion block 13 is fastened on cushion block 13 by interference fit, dial framework 3L type body lateral plates has through hole, through-bore axis and guide rail 12 " V " type groove center line parallel, spring bushing is installed in through hole, measure piece 8 rear end faces perpendicular to dial framework 3L type side plate through-bore axis, measure piece 8 rear end faces and also have spring eye, spring 10 1 ends pass pin 11 and withstand on the plate medial surface of dial framework 3L type side, the other end withstands in above-mentioned spring eye, the table bar of indicating gauge 15 passes dial framework 3 side plate through-hole, make the rear end face of the direct contact measurement piece 8 of table boom end measuring head, by spring bushing and trip bolt, the table bar is fixed on dial framework 3.
Part support 16 is comprised of chassis and two " V " type bearings, two " V " type bearings are arranged on the chassis, each symmetrical pair of bearings of installing above bearing, when the thread part positioning datum is placed on bearing, the axis of part is horizontal, also have boss structure on the chassis, square key is fixed by screws in the boss structure upper surface, and it is perpendicular that the square key installation direction should be the axis of square key center line and thread part.
During measurement, measurement mechanism main body mount pad 1 is connected with square key clearance fit on the boss of part support chassis by the bottom rectangle keyway, boss height on part support 16 chassis should make the measuring head 9 on measurement mechanism main body after installation contact part pitch diameter of thread place, rotation along with thread part on bearing, measuring head 9 drives measurement piece 8 and slide carriage 14 moves along guide rail 12, measure piece 8 rear end faces and drive the measuring head motion that indicating gauge 15 is shown boom ends, make indicating gauge 15 directly read jitter values.Meanwhile, measuring head 9 also will be subject to the screw-type over glaze to effect generation the moving axially along the reach direction of component, this motion utilizes roller to realize along guide rail 2 by dial framework 3 and slide carriage 5, along with the rotation of thread part, can check on full stand of thread.
Advantage of the present invention is: detect pitch diameter of external thread with this device and beat, during measurement along with the rotation of screw thread, make the measuring head that is in pitch diameter of thread position, can realize axial and the radially motion of both direction under the drive of rolling mechanism, directly read jerk value on indicating gauge, this is high for accuracy requirement, reach is very short and be subjected to detection that the pitch diameter of external thread of part shape position limitation beats this apparatus structure simply compact, easy to use, has improved measuring accuracy.Simultaneously, changed common use ring thread gage and carried out the method for measurement indirectly, and ring gauge manufacturing difficulty, cost is high.
Description of drawings
Fig. 1: part support schematic diagram
Fig. 2: the position view of measurement mechanism main body and part support
Fig. 3: the front view of measurement mechanism main body
Fig. 4: the vertical view of measurement mechanism main body
Fig. 5: measuring head contact pitch diameter of thread place schematic diagram during measurement
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further details.
a kind of measurement mechanism of pitch diameter of external thread jitter values, it is characterized in that, comprise measurement mechanism main body 17 and part support 16, the measurement mechanism main body comprises mount pad 1, two guide rails 2, dial framework 3, slide carriage 5, measure piece 8, measuring head 9, spring 10, two guide rails 12, cushion block 13, slide carriage 14, indicating gauge 15, mount pad 1 bottom has rectangular through slot, two guide rails 2 are connected by screw respectively parallel being fixed on mount pad 1, one side of every guide rail 2 has " V " type groove, " V " type notch is relative, the rectangular through slot center line of " V " type groove center line and mount pad 1 bottom is perpendicular, slide carriage 5 both sides have " V " type groove identical with guide rail 2, be arranged between two guide rails 2, " V " type notch of slide carriage 5 both sides is relative respectively with " V " type notch of two guide rails 2, " V " type groove among of " V " type groove of guide rail 2 and slide carriage 5 is laid four rollers, make slide carriage 5 to slide along guide rail 2, slide carriage 5 is vertical with mount pad 1 bottom rectangle groove center line along the movement locus of guide rail 2, keeping the gap between slide carriage 5 and mount pad 1 is 0.2～0.5mm, the upper surface of slide carriage 5 is than the high 0.2～0.5mm of upper surface of two guide rails 2, dial framework 3 is the L-type body structure, L-type body base plate and side plate are perpendicular, pin 11 is vertically mounted on the plate medial surface of L-type side, L-type body base plate is fixedly connected with slide carriage 5 by screw, one side of two guide rails 12 has " V " type groove, be connected by screw respectively parallel dial framework 3 plate upper surfaces that are fixed on, " V " type notch is relative, " V " type groove center line of two guide rails 12 is parallel with mount pad 1 bottom rectangle groove center line, slide carriage 14 both sides have " V " type groove identical with guide rail 12, be arranged between two guide rails 12, " V " type notch of two guide rails 12 is relative respectively with " V " type notch of slide carriage 14, " V " type groove among of " V " type groove of two guide rails 12 and slide carriage 14 is laid four rollers, make slide carriage 14 to slide along guide rail 12, the movement locus of slide carriage 14 is parallel with mount pad 1 bottom rectangle groove center line, gap between slide carriage 14 and dial framework 3 plate upper surfaces is 0.2～0.5mm, measure piece 8 and be arranged on slide carriage 14 upper surfaces by screw, measure piece 8 front ends cushion block 13 is installed, measuring piece 8 is connected by screw with cushion block 13, have the hole in the middle of cushion block 13, hole on measuring head 9 and above-mentioned cushion block 13 is fastened on cushion block 13 by interference fit, dial framework 3L type body lateral plates has through hole, through-bore axis and guide rail 12 " V " type groove center line parallel, spring bushing is installed in through hole, measure piece 8 rear end faces perpendicular to dial framework 3L type side plate through-bore axis, measure piece 8 rear end faces and also have spring eye, spring 10 1 ends pass pin 11 and withstand on the plate medial surface of dial framework 3L type side, the other end withstands in above-mentioned spring eye, the table bar of indicating gauge 15 passes dial framework 3 side plate through-hole, make the rear end face of the direct contact measurement piece 8 of table boom end measuring head, by spring bushing and trip bolt, the table bar is fixed on dial framework 3.
Part support 16 is comprised of chassis and two " V " type bearings, two " V " type bearings are arranged on the chassis, each symmetrical pair of bearings of installing above bearing, when the thread part positioning datum is placed on bearing, the axis of part is horizontal, also have boss structure on the chassis, square key is fixed by screws in the boss structure upper surface, and it is perpendicular that the square key installation direction should be the axis of square key center line and thread part.
During measurement, measurement mechanism main body mount pad 1 is connected with square key clearance fit on the boss of part support chassis by the bottom rectangle keyway, boss height on part support 16 chassis should make the measuring head 9 on measurement mechanism main body after installation contact part pitch diameter of thread place, rotation along with thread part on bearing, measuring head 9 drives measurement piece 8 and slide carriage 14 moves along guide rail 12, measure piece 8 rear end faces and drive the measuring head motion that indicating gauge 15 is shown boom ends, make indicating gauge 15 directly read jitter values.Meanwhile, measuring head 9 also will be subject to the screw-type over glaze to effect generation the moving axially along the reach direction of component, this motion utilizes roller to realize along guide rail 2 by dial framework 3 and slide carriage 5, along with the rotation of thread part, can check on full stand of thread.
In one embodiment of the present of invention, fan shaft is detected pitch diameter of external thread beat, utilize this measurement device, mechanism is highly sensitive, and during measurement, measuring head can be done the motion of a direction in twos simultaneously, and activity is freely steady, improve measuring accuracy, can realize the direct-detection that pitch diameter of external thread is beated.Changed usually with ring thread gage and carried out the method indirectly measured, particularly high concerning accuracy requirement, reach is very short and it is easy to use to be subjected to the pitch diameter of external thread glitch detection of part shape position limitation, directly reads measured value.
Claims (4)
1. the measurement mechanism of a pitch diameter of external thread jitter values, it is characterized in that, comprise measurement mechanism main body and part support (16), the measurement mechanism main body comprises mount pad (1), two guide rails (2), dial framework (3), slide carriage (5), measure piece (8), measuring head (9), spring (10), two guide rails (12), cushion block (13), slide carriage (14) and indicating gauge (15), mount pad (1) bottom has rectangular through slot, two guide rails (2) are connected by screw respectively parallel being fixed on mount pad (1), one side of every guide rail (2) has " V " type groove, " V " type notch is relative, rectangular through slot center line bottom " V " type groove center line and mount pad (1) is perpendicular, slide carriage (5) both sides have " V " type groove identical with guide rail (2), be arranged between two guide rails (2), " V " type notch of slide carriage (5) both sides is relative respectively with " V " type notch of two guide rails (2), " V " type groove among of " V " type groove of guide rail (2) and slide carriage (5) is laid four rollers, make slide carriage (5) to slide along guide rail (2), slide carriage (5) is vertical with mount pad (1) bottom rectangle groove center line along the movement locus of guide rail (2), keep gapped between slide carriage (5) and mount pad (1), the upper surface of slide carriage (5) is the L-type body structure than the high dial framework of upper surface (3) of two guide rails (2), L-type body base plate and side plate are perpendicular, pin (11) is vertically mounted on the plate medial surface of L-type side, L-type body base plate is fixedly connected with slide carriage (5) by screw, one side of two guide rails (12) has " V " type groove, be connected by screw respectively parallel dial framework (3) plate upper surface that is fixed on, " V " type notch is relative, " V " type groove center line of two guide rails (12) is parallel with mount pad (1) bottom rectangle groove center line, slide carriage (14) both sides have " V " type groove identical with guide rail (12), be arranged between two guide rails (12), " V " type notch of two guide rails (12) is relative respectively with " V " type notch of slide carriage (14), " V " type groove among of " V " type groove of two guide rails (12) and slide carriage (14) is laid four rollers, make slide carriage (14) to slide along guide rail (12), the movement locus of slide carriage (14) is parallel with mount pad (1) bottom rectangle groove center line, gapped between slide carriage (14) and dial framework (3) plate upper surface, measure piece (8) and be arranged on slide carriage (14) upper surface by screw, measure piece (8) front end cushion block (13) is installed, measuring piece (8) is connected by screw with cushion block (13), have the hole in the middle of cushion block (13), hole on measuring head (9) and above-mentioned cushion block (13) is fastened on cushion block (13) by interference fit, dial framework (3) L-type body lateral plates has through hole, through-bore axis and guide rail (12) " V " type groove center line parallel, spring bushing is installed in through hole, measure piece (8) rear end face perpendicular to dial framework (3) L-type side plate through-bore axis, measure piece (8) rear end face and also have spring eye, spring (10) one ends pass pin (11) and withstand on the plate medial surface of dial framework (3) L-type side, the other end withstands in above-mentioned spring eye, the table bar of indicating gauge (15) passes dial framework (3) side plate through-hole, make the rear end face of the table boom end direct contact measurement piece of measuring head (8), by spring bushing and trip bolt, the table bar is fixed on dial framework (3).
Part support (16) is comprised of chassis and two " V " type bearings (20), two " V " type bearings are arranged on chassis (21), each symmetrical pair of bearings (22) of installing above bearing, when the thread part positioning datum is placed on bearing, the axis of part is horizontal, boss structure (23) is arranged on the chassis, and square key (24) is fixed by screws in the boss structure upper surface, and the axis of square key center line and thread part is perpendicular.
2. the measurement mechanism of pitch diameter of external thread jitter values according to claim 1, is characterized in that, the gap between described slide carriage (5) and mount pad (1) is 0.2～0.5mm.
3. the measurement mechanism of pitch diameter of external thread jitter values according to claim 1, is characterized in that, the gap between described slide carriage (14) and dial framework (3) plate upper surface is 0.2～0.5mm.
4. the measurement mechanism of pitch diameter of external thread jitter values according to claim 1, is characterized in that, the upper surface of described slide carriage (5) is than the high 0.2～0.5mm of upper surface of two guide rails (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210188537.6A CN103175459B (en) | 2011-12-20 | 2012-06-08 | A kind of measurement apparatus of pitch diameter of external thread jitter values |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104315350 | 2011-12-20 | ||
| CN201110431535 | 2011-12-20 | ||
| CN201110431535.0 | 2011-12-20 | ||
| CN201210188537.6A CN103175459B (en) | 2011-12-20 | 2012-06-08 | A kind of measurement apparatus of pitch diameter of external thread jitter values |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103175459A true CN103175459A (en) | 2013-06-26 |
| CN103175459B CN103175459B (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210188537.6A Active CN103175459B (en) | 2011-12-20 | 2012-06-08 | A kind of measurement apparatus of pitch diameter of external thread jitter values |
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| CN (1) | CN103175459B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043200A (en) * | 2015-09-09 | 2015-11-11 | 广西玉柴机器股份有限公司 | Bolt run-out measuring device |
| CN109099810A (en) * | 2018-09-30 | 2018-12-28 | 南京泉峰汽车精密技术股份有限公司 | For detecting the cubing of screwed part |
| CN110657761A (en) * | 2019-09-05 | 2020-01-07 | 人本集团有限公司 | Auxiliary device for observing bearing ring channel |
| CN114136234A (en) * | 2021-11-29 | 2022-03-04 | 纳诺达克电子(常州)有限公司 | Measuring tool for detecting external thread runout of motor threaded shaft |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2859436B2 (en) * | 1989-05-18 | 1999-02-17 | テクサ、アクチエンゲゼルシャフト | Adjustable dial gauge holder for fine adjustment |
| EP1726912A2 (en) * | 2005-05-27 | 2006-11-29 | Societe de Technologie Michelin | Control procedure and device for a tyre holder support. |
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2012
- 2012-06-08 CN CN201210188537.6A patent/CN103175459B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2859436B2 (en) * | 1989-05-18 | 1999-02-17 | テクサ、アクチエンゲゼルシャフト | Adjustable dial gauge holder for fine adjustment |
| EP1726912A2 (en) * | 2005-05-27 | 2006-11-29 | Societe de Technologie Michelin | Control procedure and device for a tyre holder support. |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043200A (en) * | 2015-09-09 | 2015-11-11 | 广西玉柴机器股份有限公司 | Bolt run-out measuring device |
| CN105043200B (en) * | 2015-09-09 | 2017-10-31 | 广西玉柴机器股份有限公司 | The pulsation measurement device of bolt |
| CN109099810A (en) * | 2018-09-30 | 2018-12-28 | 南京泉峰汽车精密技术股份有限公司 | For detecting the cubing of screwed part |
| CN110657761A (en) * | 2019-09-05 | 2020-01-07 | 人本集团有限公司 | Auxiliary device for observing bearing ring channel |
| CN114136234A (en) * | 2021-11-29 | 2022-03-04 | 纳诺达克电子(常州)有限公司 | Measuring tool for detecting external thread runout of motor threaded shaft |
| CN114136234B (en) * | 2021-11-29 | 2024-02-20 | 纳诺达克电子(常州)有限公司 | Measuring tool for detecting external thread runout of motor threaded shaft |
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| CN103175459B (en) | 2016-11-23 |
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Address after: 550000 No. 1111 Liyang Road, Baiyun District, Guiyang City, Guizhou Province Patentee after: Chinese Hangfa Guizhou Liyang aero Power Co. Ltd. Address before: Mailbox No. 207, Pingba County, Anshun City, Guizhou Province Patentee before: Guizhou Liyang Aerospace Power Co., Ltd. |
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