CN205209440U - Self-centering deep hole parameter measuring device - Google Patents
Self-centering deep hole parameter measuring device Download PDFInfo
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- CN205209440U CN205209440U CN201521060491.5U CN201521060491U CN205209440U CN 205209440 U CN205209440 U CN 205209440U CN 201521060491 U CN201521060491 U CN 201521060491U CN 205209440 U CN205209440 U CN 205209440U
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- 230000007246 mechanism Effects 0.000 claims description 13
- 238000005259 measurement Methods 0.000 abstract description 26
- 238000004804 winding Methods 0.000 abstract 3
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- 238000012360 testing method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
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- 230000003068 static effect Effects 0.000 description 2
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Abstract
The utility model discloses a from centering deep hole parameter measurement device, including centring means, measurement recorder and advancing device. The centering device is positioned in a deep hole of a workpiece and comprises a sleeve, a centering shaft, two conical bodies, six measuring rods and a spring. The measuring and recording device comprises two distance measuring sensors fixed at two ends of the centering shaft, and the two distance measuring sensors are electrically connected with the control terminal. The advancing device comprises a second motor, a winding drum and a flexible rope, one end of the flexible rope is connected with one end of the centering shaft, the other end of the flexible rope is wound on the winding drum, and a rotating shaft of the winding drum is connected with an output shaft of the second motor. Under the action of the restoring force of the spring, the two conical bodies move towards two sides, the measuring rod slides in the sliding groove, the measuring rod is caused to move outwards along the radial direction of the cylinder body, the measuring head of the measuring rod is abutted to the inner wall of the deep hole of the workpiece, the two conical bodies are in a stress balance state, the centering shaft is located on the axis of the deep hole, the purpose of deep hole centering is achieved, and accurate measurement of relevant parameters of the deep hole of the workpiece is guaranteed.
Description
Technical field
The utility model belongs to longhole survey device, is specifically related to a kind of self-centering deep hole parameter measuring apparatus.
Background technology
In the modernization industry such as aircraft, steamer, large-scale precision instrument, the processing of axis hole part, detection are a great problem that impact is produced all the time, and the precision of this type of part aperture, deep hole circularity, linearity is the key factor ensureing product quality.
At present, traditional inner diameter measurement method is measured after part processing mainly through slide calliper rule, calliper, and this kind of measuring method belongs to contact type measurement, and it operates inconvenience, and precision is difficult to ensure, artifical influence factor is large.And, for hole depth with aperture than the deep hole or the superdeep holes part that are greater than 5, it is more inconvenient to test.For this present situation, the measuring technology of Chinese scholars to deep hole internal diameter parameter has carried out large quantity research.At present, based on the noncontact scan testing techniques of photovoltaic principals, can self centering pipe robot inner diameter measurement method high with its precision, convenient test obtains certain application and development.In these modern testing tools, high-precision centering technology is the important foundation that aperture parameters is measured, and high-precision centering technology can reduce the measuring error that mechanism for testing bias causes.The people such as Ma Zi at mechanical engineering journal, 2009,45 (6): 267-273, adopt measurement and positioning adjustable frame in " large aperture pipeline 4DOF inner measuring robots system " literary composition, make scanning center approach pipeline center; Su Limei Deng Ren Changchun University of Science and Technology journal, 2005,28(1): 30-31, adopts bielliptic(al) ring mode to be positioned in medium-sized pipeline by measuring mechanism in " research of internal diameter of the pipeline photoelectric detecting technology " literary composition.But above-mentioned measuring mechanism positioning precision, efficiency and measurement range often can not meet simultaneously.
Summary of the invention
The purpose of this utility model is to provide a kind of self-centering deep hole parameter measuring apparatus, solution prior art medium-length hole measurement mechanism positioning precision, the technical matters that efficiency is low and measurement range is little.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of self-centering deep hole parameter measuring apparatus, comprises centring means, survey record device and moving device.Described centring means comprises sleeve, centration axis, two cone-shaped bodys, six measuring staffs and springs, centration axis is positioned on the axis of sleeve, and centration axis is by bearing and sleeve connection, the barrel of sleeve offers two groups of through holes, often organizing through hole is three, and three through holes are circumferentially uniformly distributed; Two cone-shaped bodys and spring are arranged in sleeve, and are movablely set in centration axis, and the tapering of two cone-shaped bodys is respectively towards the two ends of centration axis, and spring is arranged between two cone-shaped bodys; The conical surface of described each cone-shaped body evenly offers three chutes, and three chutes are offered along cone-shaped body along generatrix direction respectively, and six measuring staffs are each passed through the through hole on sleeve wall; One end of each measuring staff is fastened in a chute.When the deep hole that centring means is positioned at workpiece is measured, six measuring staffs are each passed through the through hole on sleeve wall; One end of each measuring staff is fastened in a chute, and the contact internal walls of the other end and deep hole of workpiece, spring is in compressive state.Described survey record device comprises two distance measuring sensors and control terminal that are fixed on centration axis two ends, two distance measuring sensors are all electrically connected with control terminal, sleeve is fixedly installed the first motor, the output shaft of the first motor is connected with centration axis by gear mechanism; Described moving device comprises the second motor, reel and flexible rope, and one end of described flexible rope is connected with one end of centration axis, and the other end of flexible rope is wrapped on reel, and the rotating shaft of reel is connected with the output shaft of the second motor; Described first motor, the second motor are all electrically connected with between control terminal.
Further improvement, described measuring staff comprises loop bar and gauge head, the detachable one end being arranged on loop bar of gauge head, the contact internal walls of gauge head and deep hole of workpiece, and the size according to aperture to be measured can be met the demands by the gauge head changing different length; The end of gauge head is provided with spheroid, increases the surface of contact of gauge head and deep hole of workpiece inwall, is beneficial to the rolling of gauge head simultaneously.
Further improvement, described control terminal is computing machine, controls the first motor, the sense of rotation of the second motor and angle by control terminal.And the measurement result of two distance measuring sensors shows on control terminal, handled easily person gets information about the correlation parameter of deep hole of workpiece.
Further improvement, the end of described sleeve is provided with socket cover, conveniently put into two cone-shaped bodys, and cover and centration axis closely cooperates during assembling by opening cover, and make whole sleeve symmetrical, during measurement, axis centering more, plays sealing function simultaneously,
Further improvement, one end of described flexible rope is connected with centration axis, and the other end is wrapped on reel by fixed pulley, changes the direction of motion of flexible rope by arranging fixed pulley, and then changes the installation site of reel and the second motor, saves space.Meanwhile, ensure C-D section (namely the end of centration axis is to the fixed pulley section) conllinear of centration axis and flexible rope, prevent pulling force suffered by centration axis and its axis from there is angle and affecting measuring accuracy.
Further improvement, described distance measuring sensor is laser range sensor, and laser range sensor measurement range is wide, fast response time, and measuring accuracy is high, and the little Installation and Debugging of volume are convenient.
Further improvement, the end of the chute on the described cone-shaped body conical surface is provided with limited block, prevents loop bar from skidding off the chute on the cone-shaped body conical surface and affecting measurement result.
Further improvement, at least one cone-shaped body described offers draw-in groove, and the axis being parallel of draw-in groove and cone-shaped body, described at least two or wherein any one cone-shaped body offers draw-in groove along its axis direction, sleeve is provided with pin, and one end of pin is movable to be fastened in the draw-in groove of cone-shaped body.When cone-shaped body is subject to the thrust of spring, cone-shaped body can be slided relative to pin by draw-in groove, but when the parameter measurement of current angular completes and needs centring means to rotate to an angle again to measure, by arranging, pin prevents cone-shaped body better, measuring staff rotates relative to sleeve and affects measuring accuracy.
This measurement mechanism is adopted to carry out the process of deep hole parametric measurement as follows:
1), according to the internal diameter treating sounding hole, select the measuring staff of corresponding length, six side levers are each passed through through hole corresponding on cylindrical shell, be arranged in six chutes on the cone-shaped body conical surface, centring means is put into the deep hole of workpiece, under the restoring force effect of spring, two cone-shaped bodys are subject to towards the thrust of centration axis end and move respectively to both sides, but because measuring staff is through the through hole on cylindrical shell, then measuring staff is fixing relative to the position in tubular axis direction, when so two cone-shaped bodys move to both sides, measuring staff slides in chute, measuring staff is caused radially outward to move along cylindrical shell, until the gauge head of measuring staff and the inwall of deep hole of workpiece inconsistent, two cone-shaped bodys are finally made to be in stress balance state, relative cylindrical shell is static, now, centration axis is positioned on the axis of part deep hole, measurement mechanism is coaxial with deep hole of workpiece, ensure measuring accuracy.
2), described centration axis stretches out the two ends of sleeve, two distance measuring sensors are separately positioned on the two ends of centration axis, measure the aperture size amount in part deep hole current cross-section current angular by distance measuring sensor, and by control terminal, measurement data record recorded, show.
3), by control terminal start the first motor, drive centration axis to rotate by gear mechanism, often turn over the aperture size that certain angle record is current, thus complete the DATA REASONING in whole cross section.
4) after, all data records of current cross-section complete, the second motor is started by control terminal, second motor drives reel to rotate and is wound around flexible rope, and drive centring means, survey record device move along the axis direction of deep hole of workpiece, carry out the parameter measurement in next cross section.
The utility model beneficial effect that is relative and prior art is as follows:
1, the utility model adopts two cone-shaped bodys arranged dorsad, between two cone-shaped bodys, spring is set, the conical surface of each cone-shaped body evenly offers three chutes along generatrix direction, one end of measuring staff is fastened in chute, under the restoring force effect of spring, two cone-shaped bodys move to both sides, measuring staff slides in chute, measuring staff is caused radially outward to move along cylindrical shell, until the gauge head of measuring staff and the inwall of deep hole of workpiece are to conflict, two cone-shaped bodys are made to be in stress balance state, now centration axis is positioned on the axis of part deep hole, reach the object of deep hole dead axle, ensure the accurate measurement of deep hole of workpiece correlation parameter.
2, measuring staff of the present utility model comprises loop bar and gauge head, and the size according to aperture to be measured can be met the demands by the gauge head changing different length, easy to operate.
3, the utility model adopts laser range sensor to measure, and laser range sensor measurement range is wide, fast response time, and measuring accuracy is high, and the little Installation and Debugging of volume are convenient.
4, the utility model controls the first motor, the sense of rotation of the second motor and angle by control terminal, and the measurement result of two distance measuring sensors shows on control terminal, and handled easily person gets information about the correlation parameter of deep hole of workpiece.
Accompanying drawing explanation
Fig. 1 makes the structural representation of self-centering deep hole parameter measuring apparatus described in the utility model.
Fig. 2 is the A-A cut-open view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
As shown in Figure 1, 2, a kind of self-centering deep hole parameter measuring apparatus, comprises centring means, survey record device and moving device.Described centring means is arranged in the deep hole of workpiece 1, centring means comprises sleeve 2, centration axis 6, two cone-shaped bodys 5, two bearings 3, six measuring staffs and spring 12, described centration axis 6 is positioned on the axis of sleeve 2, and centration axis 6 is connected with sleeve 2 by two bearings 3, the barrel of sleeve 2 offers two groups of through holes, often organizing through hole is three, and three through holes are distributed on on the cross section of sleeve 2 axes normal; Two cone-shaped bodys 5 and spring 12 are arranged in sleeve 2, and are movablely set in centration axis 6, and two cone-shaped bodys 5 are arranged dorsad, and the tapering of two cone-shaped bodys 5 is respectively towards the two ends of centration axis 6, and spring 12 is arranged between two cone-shaped bodys 5; The conical surface of described each cone-shaped body 5 evenly offers three chutes along generatrix direction, described six measuring staffs are each passed through the through hole on sleeve 2 barrel, measuring staff comprises loop bar 10 and gauge head 11, gauge head 11 is threaded with loop bar 10, one end of loop bar 10 is fastened in a chute, and spring 12 is in compressive state, and a cone-shaped body 5 offers draw-in groove along its axis direction, sleeve 2 is provided with pin 4, one end of pin 4 is movable to be fastened in the draw-in groove of cone-shaped body 5.
Described survey record device comprises two laser range sensors being fixed on centration axis 6 two ends, two laser range sensors are all electrically connected with control terminal 17 computing machine, output shaft sleeve 2 being fixedly installed the first motor 9, first motor 9 is connected with centration axis 6 by gear mechanism 8.Described moving device comprises the second motor 20, reel 19 and flexible rope 21, and one end of described flexible rope 21 is connected with one end of centration axis 6, and the other end is wrapped on reel 19, and the rotating shaft of reel 19 is connected with the output shaft of the second motor 20; Described first motor 9, second motor 20 is all electrically connected with between control terminal 17.
This measurement mechanism is adopted to carry out the process of deep hole parametric measurement as follows:
1), according to the internal diameter treating sounding hole, select the measuring staff of corresponding length, six side levers are each passed through through hole corresponding on cylindrical shell 2, be arranged in six chutes on cone-shaped body 5 conical surface, centring means is put into the deep hole of workpiece 1, under the restoring force effect of spring 12, two cone-shaped bodys 5 move respectively to both sides because being subject to towards the thrust of centration axis 6 end, but because measuring staff is through the hole on cylindrical shell 2, then measuring staff is fixing relative to the position of cylindrical shell 2 axis direction, when so two cone-shaped bodys 5 move to both sides, measuring staff slides in chute, measuring staff is caused radially outward to move along cylindrical shell 2, until the gauge head 11 of measuring staff is inconsistent with the inwall of workpiece 1 deep hole, two cone-shaped bodys 5 are finally made to be in stress balance state, relative cylindrical shell 2 is static, now, centration axis 6 is positioned on the axis of part 1 deep hole, measurement mechanism is coaxial with the deep hole of workpiece 1, ensure measuring accuracy.
2), by two distance measuring sensors 7 at centration axis 6 two ends measure the aperture size amount in part 1 deep hole current cross-section current angular, and record by control terminal 17 pairs of measurement data record, show.
3), by control terminal 17 start the first motor 9, drive centration axis 6 to rotate by gear mechanism 8, often turn over the aperture size that certain angle record is current, thus complete the DATA REASONING in whole cross section.
4) after, all data records of current cross-section complete, the second motor 20 is started by control terminal 17, second motor 20 drives reel 19 to rotate and is wound around flexible rope 21, drive centring means, survey record device move along the axis direction of workpiece 1 deep hole, carry out the parameter measurement in next cross section.
Do not do in the utility model illustrate be prior art or can be realized by prior art, and described in the utility model, concrete case study on implementation is only better case study on implementation of the present utility model, is not used for limiting practical range of the present utility model.Namely all equivalences done according to the content of the utility model claim change and modify, all should as technology category of the present utility model.
Claims (8)
1. a self-centering deep hole parameter measuring apparatus, is characterized in that, comprising:
Centring means, described centring means comprises sleeve (2), centration axis (6), two cone-shaped bodys (5), six measuring staffs and springs (12), centration axis (6) is positioned on the axis of sleeve (2), and centration axis (6) is connected with sleeve (2) by bearing (3), the barrel of sleeve (2) offers two groups of through holes, often organizing through hole is three, and three through holes are circumferentially uniformly distributed; Two cone-shaped bodys (5) and spring (12) are arranged in sleeve (2), and are movablely set in centration axis (6), and the tapering of two cone-shaped bodys (5) is respectively towards the two ends of centration axis (6), and spring (12) is arranged between two cone-shaped bodys (5); The conical surface of described each cone-shaped body (5) evenly offers three chutes, and three chutes are offered along cone-shaped body (5) along generatrix direction respectively; Six measuring staffs are each passed through the through hole on sleeve (2) barrel; One end of each measuring staff is fastened in a chute; The contact internal walls of the other end and workpiece (1) deep hole, spring (12) is in compressive state;
Survey record device, described survey record device comprises two distance measuring sensors (7) and control terminal (17) that are fixed on centration axis (6) two ends, two distance measuring sensors (7) are all electrically connected with control terminal (17), sleeve (2) is fixedly installed the first motor (9), the output shaft of the first motor (9) is connected with centration axis (6) by gear mechanism (8);
Moving device, described moving device comprises the second motor (20), reel (19) and flexible rope (21), one end of described flexible rope (21) is connected with one end of centration axis (6), the other end of flexible rope (21) is wrapped on reel (19), and the rotating shaft of reel (19) is connected with the output shaft of the second motor (20);
Described first motor (9), the second motor (20) all with between control terminal (17) are electrically connected.
2. self-centering deep hole parameter measuring apparatus according to claim 1, is characterized in that, described measuring staff comprises loop bar (10) and gauge head (11), and gauge head (11) is detachable is arranged on loop bar (10) one end away from cone-shaped body (5).
3. self-centering deep hole parameter measuring apparatus according to claim 1, is characterized in that, described control terminal (17) is computing machine.
4. self-centering deep hole parameter measuring apparatus according to claim 1, is characterized in that, the end of described sleeve (2) is provided with socket cover (13), and cover (13) and centration axis (6) closely cooperate.
5. self-centering deep hole parameter measuring apparatus according to claim 1, it is characterized in that, one end of described flexible rope (21) is connected with one end of centration axis (6), the other end is wrapped on reel (19) by fixed pulley (16), the C-D section conllinear of centration axis (6) and flexible rope (21).
6. self-centering deep hole parameter measuring apparatus according to claim 1, is characterized in that, described distance measuring sensor (7) is laser range sensor.
7. self-centering deep hole parameter measuring apparatus according to claim 1, is characterized in that, the end of the chute on described cone-shaped body (5) conical surface is provided with limited block.
8. self-centering deep hole parameter measuring apparatus according to claim 1, it is characterized in that, described at least one cone-shaped body (5) offers draw-in groove, and the axis being parallel of draw-in groove and cone-shaped body (5), sleeve (2) is provided with pin (4), one end of pin (4) is movable to be fastened in the draw-in groove of cone-shaped body (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521060491.5U CN205209440U (en) | 2015-12-18 | 2015-12-18 | Self-centering deep hole parameter measuring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521060491.5U CN205209440U (en) | 2015-12-18 | 2015-12-18 | Self-centering deep hole parameter measuring device |
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| CN205209440U true CN205209440U (en) | 2016-05-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371775A (en) * | 2015-12-18 | 2016-03-02 | 南京信息职业技术学院 | Self-centering deep hole parameter measuring device |
| CN107031018A (en) * | 2017-03-15 | 2017-08-11 | 江门必发机械设备有限公司 | Extruder barrel internal diameter measuring instrument |
| CN112109018A (en) * | 2020-09-27 | 2020-12-22 | 湖北文理学院 | Stepping type positioning device and movable deep hole detection equipment |
| CN113865466A (en) * | 2021-10-27 | 2021-12-31 | 中国航发贵州黎阳航空动力有限公司 | Device for measuring distance from hole center to plane |
| CN117433421A (en) * | 2023-12-20 | 2024-01-23 | 中北大学 | Multi-geometric-quantity deep hole measuring instrument based on microscope and measuring method thereof |
-
2015
- 2015-12-18 CN CN201521060491.5U patent/CN205209440U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371775A (en) * | 2015-12-18 | 2016-03-02 | 南京信息职业技术学院 | Self-centering deep hole parameter measuring device |
| CN105371775B (en) * | 2015-12-18 | 2018-07-20 | 南京信息职业技术学院 | Self-centering deep hole parameter measuring device |
| CN107031018A (en) * | 2017-03-15 | 2017-08-11 | 江门必发机械设备有限公司 | Extruder barrel internal diameter measuring instrument |
| CN112109018A (en) * | 2020-09-27 | 2020-12-22 | 湖北文理学院 | Stepping type positioning device and movable deep hole detection equipment |
| CN112109018B (en) * | 2020-09-27 | 2022-01-25 | 湖北文理学院 | Stepping type positioning device and movable deep hole detection equipment |
| CN113865466A (en) * | 2021-10-27 | 2021-12-31 | 中国航发贵州黎阳航空动力有限公司 | Device for measuring distance from hole center to plane |
| CN117433421A (en) * | 2023-12-20 | 2024-01-23 | 中北大学 | Multi-geometric-quantity deep hole measuring instrument based on microscope and measuring method thereof |
| CN117433421B (en) * | 2023-12-20 | 2024-03-08 | 中北大学 | Multi-geometric-quantity deep hole measuring instrument based on microscope and measuring method thereof |
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