CN105241376A - Crankshaft measurement follow-up device - Google Patents
Crankshaft measurement follow-up device Download PDFInfo
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- CN105241376A CN105241376A CN201510568593.6A CN201510568593A CN105241376A CN 105241376 A CN105241376 A CN 105241376A CN 201510568593 A CN201510568593 A CN 201510568593A CN 105241376 A CN105241376 A CN 105241376A
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Abstract
The invention relates to a crankshaft measurement follow-up device, which can solve the problems that the traditional measurement device is low in measurement precision and efficiency, and measurement items are single. The device comprises an x-direction measurement assembly and a z-direction measurement assembly, wherein the x-direction measurement assembly comprises a guiding mechanism, a grating ruler and a force application device, a standing pulley in the force application device is fixed at one end of a base, two torque motors are fixed at the other end of the base along the x direction in different heights, each torque motor is provided with a roller, a reset block is fixed on a bottom surface of a working table, an upper central hole and a lower central hole are arranged, one end of a forward steel wire is connected with the reset block via the upper central hole and the other end passes across the standing pulley and is wound on a first roller, and one end of a backward steel wire is connected with the reset block via the lower central hole and the other end is wound on a second roller. The crankshaft measurement follow-up device has the advantages of compact structure, convenient operation, high efficiency, high precision and good stability, and when the device is arranged on a measurement platform with a coordinate measurement function, the size and the geometric tolerance of the crankshaft can be precisely measured.
Description
Technical field
The invention belongs to bent axle Technology of Precision Measurement field, be specifically related to a kind of crank shaft measurement hunting gear.
Background technology
Bent axle is the strength member of engine, and the performance of machining precision to engine of bent axle has significant impact, therefore carries out precision measurement to Crankshaft Machining error extremely important.Typical measuring arrangements measuring accuracy and efficiency low, measure the item is single.The bent axle composite measurement machine that Abroad in Recent Years develops rapidly is a kind of numerical-control crankshaft measuring equipment, and this equipment not only can measure the radial dimension such as main bearing journal, connecting rod neck, can also measure the axial dimension of bent axle, has the advantages that precision is high, efficiency is high.Domestic related scientific research personnel have carried out the R&D work of bent axle composite measurement machine, achieve some achievements, but the technical feature of these products is not ideal, be mainly reflected in probe part function singleness, axially measure and usually can not complete with same measuring head with radial measurement, force application apparatus adopts spring or weight to realize usually, thus cause measure the item few, the deficiencies such as ergometry is unstable, and measuring accuracy is low, whole aircraft reliability difference.
Summary of the invention
The object of this invention is to provide a kind of crank shaft measurement hunting gear, effective solution typical measuring arrangements measuring accuracy and the problem that efficiency is low, measure the item is single.
The technical solution adopted in the present invention is:
Crank shaft measurement hunting gear, is characterized in that:
Comprise x to measurement components, z to measurement components, base and base support, floor installation is on base support, and x is arranged on base to measurement components and z to measurement components;
Described x comprises guiding mechanism, grating scale and force application apparatus to measurement components;
Guiding mechanism comprises dynamic guide rail, quiet guide rail, track base and worktable, and dynamic guide rail and quiet set of rails become intersection roller guide two secondary; Dynamic guide rail is connected with worktable, and quiet guide rail is fixed on track base, and track base is arranged on base, and worktable one end is connected to measuring plate with x by reed, and x is provided with x to measurement column to the end measuring plate;
Grating scale is sticky to be posted in grating scale back up pad, and grating scale back up pad is fixed on the side of worktable, and read head is fixed on track base;
Force application apparatus comprises the second torque motor, the first torque motor, fixed pulley, the first roller, the second roller, resetting block and retrogressing steel wire and advance steel wire; Fixed pulley is fixed on one end of base, and the second torque motor and the first torque motor be the one high and one low other end being fixed on base in the x-direction; First torque motor and the second torque motor are separately installed with the first roller and the second roller; Resetting block is fixed on worktable bottom surface, is provided with two center pits one on the other; One end of advance steel wire is connected with resetting block by upper center pit, and the other end walks around fixed pulley, is wrapped on the first roller; The one end retreating steel wire is connected with resetting block by lower center pit, and the other end is wrapped on the second roller; Two torque motors produce the combined action of moment under, pull resetting block to realize worktable motion in the x direction by steel wire;
Described z comprises z to displacement transducer and z to measurement ball to measurement components;
Z is positioned on worktable to displacement transducer, and z is arranged on x to the one end measuring plate to measuring ball, and x is provided with z to reset assembly to the other end measuring plate; Z comprises z to reset cradle, multiple back-moving spring and spring pull bar to reset assembly, and z is positioned on worktable to reset cradle, is connected respectively by multiple back-moving spring with worktable and x to measuring plate.
The present invention has the following advantages:
1) this hunting gear is installed on the measuring table with measurement of coordinates function, the precision measurement of the multiple axis of bent axle and radial parameter can be realized, effectively improve and measure efficiency and measuring accuracy.
2) force application apparatus uses torque motor, is regulated the size of ergometry by Torque-adjusting motor, and regulation and control are convenient, can ensure that in the course of work, x stablizes to ergometry, effectively improves measuring accuracy.
3) combined action of the elastic force of spring return mechanism generation and the elastic force of reed can ensure z stablizing to ergometry, the measurement ball that can effectively avoid system vibration to cause and workpiece segregation phenomenon, greatly improves system stability and measuring accuracy.
4) compact conformation of the present invention, easy to operate, attach it to there is measurement of coordinates function measuring table on, can realize the size of bent axle and the precision measurement of form and position tolerance, efficiency is high, and precision is high, good stability.
Accompanying drawing explanation
Fig. 1 is the physical construction schematic diagram that crank shaft measurement hunting gear of the present invention is arranged on measuring machine.
Fig. 2 is the three-dimensional shaft mapping of crank shaft measurement hunting gear of the present invention.
Fig. 3 is the cut-open view of crank shaft measurement hunting gear of the present invention.
Fig. 4 is the partial sectional view (A-A sectional view) of z to resetting-mechanism.
In figure: B-hunting gear one-piece construction, 1-x is to measurement column, 2-z is to measurement ball, 3-x is to measurement plate, 4-z is to reset cradle, 5-worktable, 6-moves guide rail, the quiet guide rail of 7-, 8-track base, 9-first roller, 10-second roller, 11-base, 12-base support, 13-grating scale back up pad, 14-grating scale, 15-read head, 16-reed, 17-z is to displacement transducer, 18-resetting block, 19-second torque motor, 20-first torque motor, 21-retreats steel wire, 22-advance steel wire, 23-fixed pulley, 24-back-moving spring, 25-spring pull bar, 26-bent axle, 27-z axle servo-worktable, 28-z axle column, 29-workpiece fixing seat, 30-servo turntable, 31-support.
Embodiment
Below in conjunction with embodiment, the present invention will be described in detail.
See Fig. 1, crank shaft measurement hunting gear of the present invention is installed on the z-axis servo-worktable 27 of measuring machine, z-axis servo-worktable 27 is connected with z-axis column 28, and z-axis column 28 is fixed on above support 31, is also provided with servo turntable 30 and workpiece fixing seat 29 above support.
See Fig. 2-4, the present invention includes x to measurement components, z to measurement components, base 11 and base support 12, base 11 is arranged on base support 12, and x is arranged on base 11 to measurement components and z to measurement components;
Described x comprises guiding mechanism, grating scale 14 and force application apparatus to measurement components;
Guiding mechanism comprises dynamic guide rail 6, quiet guide rail 7, track base 8 and worktable 5, and it is secondary that dynamic guide rail 6 and quiet guide rail 7 form decussation roller guide rail two; Dynamic guide rail 6 is connected with worktable 5, and quiet guide rail 7 is fixed on track base 8, and track base 8 is installed on the pedestal 11, and worktable 5 one end is connected to measuring plate 3 with x by reed 16, and x is provided with x to measurement column 1 to the end measuring plate 3;
Grating scale 14 is sticky to be posted in grating scale back up pad 13, and grating scale back up pad 13 is fixed on the side of worktable 5, and read head 15 is fixed on track base 8;
Force application apparatus comprises the second torque motor 19, first torque motor 20, fixed pulley 23, first roller 9, second roller 10, resetting block 18 and retreats steel wire 21 and advance steel wire 22; Fixed pulley 23 is fixed on one end of base 11, the second torque motor 19 and the first torque motor 20 one high and one low other end being fixed on base 11 in the x-direction; First torque motor 20 and the second torque motor 19 are separately installed with the first roller 9 and the second roller 10; Resetting block 18 is fixed on worktable 5 bottom surface, is provided with two center pits one on the other; One end of advance steel wire 22 is connected with resetting block 18 by upper center pit, and the other end walks around fixed pulley 23, is wrapped on the first roller 9; The one end retreating steel wire 21 is connected with resetting block 18 by lower center pit, and the other end is wrapped on the second roller 10; Two torque motors produce the combined action of moment under, pull resetting block 18 to realize worktable 5 motion in the x direction by steel wire;
Described z comprises z to displacement transducer 17 and z to measurement ball 2 to measurement components;
Z is positioned on worktable 5 to displacement transducer 17, and z is arranged on x to the one end measuring plate 3 to measuring ball 2, and x is provided with z to reset assembly to the other end measuring plate 3; Z comprises z to reset assembly and is positioned on worktable 5 to reset cradle 4, multiple back-moving spring 24 and spring pull bar 25, z to reset cradle 4, is connected respectively by multiple back-moving spring 24 with worktable 5 and x to measuring plate 3.Back-moving spring 24 is provided with two and middle one that three comprise both sides.
Crank shaft measurement hunting gear is arranged on when using to be had on the measuring machine z-axis servo-worktable 27 of numerical control function, when measuring the radial parameter in main bearing journal or connecting rod footpath, control x contacts to measurement column 1 with king journal or connecting rod neck, along with the rotation of bent axle, worktable 5 advances in the x-direction or retreats, by the electric current control x that controls the second torque motor 19, first torque motor 20 to the contact force of measurement column 1 with bent axle footpath, the error of axle journal is recorded by grating scale 14 and read head 15; When measuring axial parameter, control hunting gear and move in the z-direction, z contacts to measurement ball 2 with shoulder of crank, and x deflects to measurement plate 3 at reed 16 place, is obtained the error amount of each axial dimension by z to displacement transducer 17.
Principle of work of the present invention is: realize x to the measurement action of measurement column 1 in x direction by guiding mechanism and force application apparatus, when x contacts to measurement column 1 with bent axle 26, the displacement variable that x records to measurement column 1 is recorded by grating scale 14 and read head 15, produced the combined action of moment by the first torque motor 20 and the second torque motor 19, can ensure that x stablizes to ergometry.Completed the measurement action in z direction to the leverage measuring plate 3 and reed 16 composition by x, the z that z records to measurement column 2 is recorded to displacement transducer 17 to displacement variable by z, in the course of work, when z contacts to the upper end of measurement column 2 with surface of the work, the elastic force produced by back-moving spring 24 and the reed 16 of both sides produces stable ergometry, when z contacts to the lower end of measurement column 2 with surface of the work, the elastic force produced by back-moving spring 24 and the reed 16 of centre produces stable ergometry, now z limits to the degree of depth of measurement range by the groove A of worktable 5.
Content of the present invention is not limited to cited by embodiment, and the conversion of those of ordinary skill in the art by reading instructions of the present invention to any equivalence that technical solution of the present invention is taked, is claim of the present invention and contains.
Claims (1)
1. crank shaft measurement hunting gear, is characterized in that:
Comprise x to measurement components, z to measurement components, base (11) and base support (12), base (11) is arranged on base support (12), and x is arranged on base (11) to measurement components and z to measurement components;
Described x comprises guiding mechanism, grating scale (14) and force application apparatus to measurement components;
Guiding mechanism comprises dynamic guide rail (6), quiet guide rail (7), track base (8) and worktable (5), dynamic guide rail (6) and quiet guide rail (7) composition decussation roller guide rail two pair; Dynamic guide rail (6) is connected with worktable (5), quiet guide rail (7) is fixed on track base (8), track base (8) is arranged on base (11), worktable (5) one end is connected to measuring plate (3) with x by reed (16), and x is provided with x to measurement column (1) to the end measuring plate (3);
Grating scale (14) is sticky to be posted in grating scale back up pad (13), and grating scale back up pad (13) is fixed on the side of worktable (5), and read head (15) is fixed on track base (8);
Force application apparatus comprises the second torque motor (19), the first torque motor (20), fixed pulley (23), the first roller (9), the second roller (10), resetting block (18) and retreats steel wire (21) and advance steel wire (22); Fixed pulley (23) is fixed on one end of base (11), the second torque motor (19) and the first torque motor (20) the one high and one low other end being fixed on base (11) in the x-direction; First torque motor (20) and the second torque motor (19) are separately installed with the first roller (9) and the second roller (10); Resetting block (18) is fixed on worktable (5) bottom surface, is provided with two center pits one on the other; One end of advance steel wire (22) is connected with resetting block (18) by upper center pit, and the other end walks around fixed pulley (23), is wrapped on the first roller (9); The one end retreating steel wire (21) is connected with resetting block (18) by lower center pit, and the other end is wrapped on the second roller (10); Two torque motors produce the combined action of moment under, pull resetting block (18) to realize worktable (5) motion in the x direction by steel wire;
Described z comprises z to displacement transducer (17) and z to measurement ball (2) to measurement components;
Z is positioned on worktable (5) to displacement transducer (17), and z is arranged on x to the one end measuring plate (3) to measuring ball (2), and x is provided with z to reset assembly to the other end measuring plate (3); Z comprises z to reset cradle (4), multiple back-moving spring (24) and spring pull bar (25) to reset assembly, z is positioned on worktable (5) to reset cradle (4), is connected respectively by multiple back-moving spring (24) with worktable (5) and x to measuring plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510568593.6A CN105241376B (en) | 2015-09-09 | 2015-09-09 | Crank shaft measurement hunting gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510568593.6A CN105241376B (en) | 2015-09-09 | 2015-09-09 | Crank shaft measurement hunting gear |
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| Publication Number | Publication Date |
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| CN105241376A true CN105241376A (en) | 2016-01-13 |
| CN105241376B CN105241376B (en) | 2018-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510568593.6A Active CN105241376B (en) | 2015-09-09 | 2015-09-09 | Crank shaft measurement hunting gear |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107150261A (en) * | 2016-03-04 | 2017-09-12 | 上海电气集团股份有限公司 | Axial workpiece profile measurer and its application |
| CN111288951A (en) * | 2019-07-29 | 2020-06-16 | 台州学院 | Crankshaft detection device |
| CN113074677A (en) * | 2021-03-18 | 2021-07-06 | 西安工业大学 | Measuring head device and measuring method for comprehensive measurement of crankshaft |
Citations (5)
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| JP2000028350A (en) * | 1998-07-15 | 2000-01-28 | Fuji Xerox Co Ltd | Shape measuring device |
| CN2671727Y (en) * | 2003-04-18 | 2005-01-19 | 机科发展科技股份有限公司 | Central hole corrector |
| CN101403600A (en) * | 2008-11-07 | 2009-04-08 | 合肥工业大学 | Synthetic inspection tester for shaft element |
| CN103728090A (en) * | 2014-01-17 | 2014-04-16 | 中国航空工业集团公司哈尔滨空气动力研究所 | Large wind tunnel large-stroke axial reciprocation shift measuring device and testing method thereof |
| CN104215205A (en) * | 2014-09-17 | 2014-12-17 | 西安工业大学 | Measuring head device for measuring crankshaft |
-
2015
- 2015-09-09 CN CN201510568593.6A patent/CN105241376B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000028350A (en) * | 1998-07-15 | 2000-01-28 | Fuji Xerox Co Ltd | Shape measuring device |
| CN2671727Y (en) * | 2003-04-18 | 2005-01-19 | 机科发展科技股份有限公司 | Central hole corrector |
| CN101403600A (en) * | 2008-11-07 | 2009-04-08 | 合肥工业大学 | Synthetic inspection tester for shaft element |
| CN103728090A (en) * | 2014-01-17 | 2014-04-16 | 中国航空工业集团公司哈尔滨空气动力研究所 | Large wind tunnel large-stroke axial reciprocation shift measuring device and testing method thereof |
| CN104215205A (en) * | 2014-09-17 | 2014-12-17 | 西安工业大学 | Measuring head device for measuring crankshaft |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107150261A (en) * | 2016-03-04 | 2017-09-12 | 上海电气集团股份有限公司 | Axial workpiece profile measurer and its application |
| CN107150261B (en) * | 2016-03-04 | 2019-05-24 | 上海电气集团股份有限公司 | Axial workpiece profile measurer and its application |
| CN111288951A (en) * | 2019-07-29 | 2020-06-16 | 台州学院 | Crankshaft detection device |
| CN113074677A (en) * | 2021-03-18 | 2021-07-06 | 西安工业大学 | Measuring head device and measuring method for comprehensive measurement of crankshaft |
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| CN105241376B (en) | 2018-03-16 |
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