CN102425983B - Apparatuses for measuring channel and inner spherical surface of bell-shaped shell - Google Patents
Apparatuses for measuring channel and inner spherical surface of bell-shaped shell Download PDFInfo
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- CN102425983B CN102425983B CN201110263153.1A CN201110263153A CN102425983B CN 102425983 B CN102425983 B CN 102425983B CN 201110263153 A CN201110263153 A CN 201110263153A CN 102425983 B CN102425983 B CN 102425983B
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- spherical surface
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Abstract
The invention discloses apparatuses for measuring a channel and an inner spherical surface of a bell-shaped shell. The apparatus for measuring a channel of a bell-shaped shell comprises: a measuring lever, a locating rod, a working stand and a sliding track. The measuring lever and the working stand are hinged through a hinge point E; one end of the measuring lever is a measuring end F and the other end of the measuring lever is an indicating end D; the measuring end F is provided with a first spherical surface body and a second spherical surface body, wherein the diameters of the first spherical surface body and a second spherical surface body are identical; the first spherical surface body and a second spherical surface body are respectively at arranged at an upper end and a lower end of a position, wherein the distance between the position and the hinge point E is equal to the length of the connection between the indicating end D and the hinge point E; and an indicating gauge is contacted with the indicating end D of the measuring lever through the gauge lever. The sliding track includes a static track and a moving track; the static track is fixed on the working stand; the moving track and the static track are contacted slidably; the locating rod is fixed on the moving track; and one end of the locating rod is a locating spherical surface body and the other end of the locating rod is contacted elastically with a pressure spring. And according to the apparatus for measuring the inner spherical surface, the above-mentioned locating spherical surface body is replaced by a V-shaped block. According to the invention, the apparatuses has advantages of direct and accurate indication, simple structure and convenient operation and rapid variety replacement.
Description
Technical field
The present invention relates to a kind of device of measuring clutch can raceway groove and Internal Spherical Surface, relate in particular to a kind of measurement mechanism of measuring the distance of clutch can raceway groove centre distance basal plane and the change of distance of Internal Spherical Surface centre distance basal plane.
Background technology
Clutch can (CV outer shroud) is a critical part in car drive axle constant velocity cardan joint external ball cage parts, and constant velocity cardan joint is that the axle that two axis are not overlapped couples together, and makes diaxon with the mechanism of identical angular velocity transmission campaign.Constant velocity cardan joint transmits heavy driving moment, and with being subject to load large, and transmission accuracy is high, therefore, higher to clutch can raceway groove and inner sphere working accuracy requirement.Clutch can structure and raceway groove thereof and Internal Spherical Surface are as depicted in figs. 1 and 2, measure clutch can raceway groove center A apart from the distance L 1 of basal plane C, whether Internal Spherical Surface center B exceeds regulation deviation apart from the relative clutch can standard component of distance L 2 of basal plane C, is the project that must detect in batch machining clutch can process.Apart from the variation of basal plane distance and Internal Spherical Surface center, the variation apart from basal plane distance detects the main following methods that adopts in existing clutch can batch machining part raceway groove center:
(1) adopt three-dimensional method, the method feature is that investment is large, and detection efficiency is low, is only applicable to the demarcation of standard component, is not suitable between mass-production process and detects.
(2) adopt special-purpose detecting instrument, its ultimate principle is by measuring the variation of Internal Spherical Surface or raceway groove chord length, indirectly to reflect the variation of Internal Spherical Surface center or raceway groove center.Defect is that the result of measurement and actual variable are not linear relationships, is an approximate value, and testing result is unreliable.
(3) adopt rotary disk measuring method, allow clutch can turn round with a centre of gyration, by detecting the variation of beat estimation Internal Spherical Surface center or the raceway groove center of Internal Spherical Surface or raceway groove.Defect is that accuracy of detection is low, can not directly measure, and testing result is unreliable.The method is mainly that some accessory manufacturers adopt when lower to Product Precision requirement.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of and can directly reflect that clutch can raceway groove center and Internal Spherical Surface center are apart from the measurement mechanism of basal plane change of distance.
Technical solution of the present invention is: a kind of measurement clutch can channel device, comprise and measure lever, backstay, worktable and sliding rail, measure lever and worktable hinged by pin joint E, measuring lever one end is measuring junction F, the other end is indication end D, measuring junction F is provided with the 1st spherical surface body and the 2nd spherical surface body, the equal diameters of the 1st spherical surface body and the 2nd spherical surface body, the 1st spherical surface body and the 2nd spherical surface body lay respectively at indication end D and the equally spaced upper and lower two ends of pin joint E line, and indicating gauge contacts with the indication end D that measures lever by table bar; Sliding rail comprises quiet rail and moving rail, and quiet rail is fixed on worktable, and moving rail and quiet rail sliding contact are fixed with backstay on moving rail, and backstay one end is location sphere body, the other end and stage clip Elastic Contact.
A kind of device of measuring clutch can Internal Spherical Surface, comprise and measure lever, vee-block, worktable and sliding rail, measure lever and worktable hinged by pin joint E, measuring lever one end is measuring junction F, the other end is indication end D, measuring junction F is provided with the 1st spherical surface body and the 2nd spherical surface body, the equal diameters of the 1st spherical surface body and the 2nd spherical surface body, the 1st spherical surface body and the 2nd spherical surface body lay respectively at indication end D and the equally spaced upper and lower two ends of pin joint E line, and indicating gauge contacts with the indication end D that measures lever by table bar; Sliding rail comprises quiet rail and moving rail, and quiet rail is fixed on worktable, and moving rail and quiet rail sliding contact are fixed with backstay on moving rail, and backstay one end is provided with V-block, the other end and stage clip Elastic Contact.
As improvement, above-mentioned two kinds of devices are also provided with operating grip, and operating grip and worktable are hinged, and operating grip one end is shift fork, and shift fork contacts with the compression end H of stage clip, and the other end is free end.
The technique effect that the present invention has: the present invention adopts lever construction principle to measure, in the middle of measuring lever, be hinged on worktable, measuring lever one end is measuring junction F, the other end is the indication end D contacting with indicating gauge, measuring junction F is provided with two measurement spherical surface body (the 1st spherical surface body and the 2nd spherical surface body) of equal diameters, measure spherical surface body for two and lay respectively at indication end D and the equally spaced upper and lower two ends of pin joint E line, like this, the center of clutch can Internal Spherical Surface or raceway groove is inevitable on the perpendicular bisector of two measurement spherical surface body lines of centres, and two measurement spherical surface body are to rotate around pin joint E, therefore, two perpendicular bisectors of measuring the spherical surface body line of centres must overlap with pin joint E line with indication end D.So, the variation of the center of clutch can Internal Spherical Surface center or raceway groove must be embodied by two measurement spherical surface body, measurement lever on the D of indication end, just opposite direction.When table bar, measuring indication end, position D that lever lays, to the distance L 3 of pin joint E and pin joint E, to arrive the distance L 4 of center intersection point O of Internal Spherical Surface or raceway groove equidistant, the reading of indicating gauge by 1:1 reflect that Internal Spherical Surface or raceway groove center are apart from the variation of basal plane, the variation of equal proportion indication Internal Spherical Surface or raceway groove center.Therefore, the present invention indicates directly accurately.The present invention mainly comprises measurement lever, backstay, measurement spherical surface body, sliding rail and worktable, so the present invention is simple in structure.When the present invention measures, clutch can is placed on backing plate, and the 1st spherical surface body, the 2nd spherical surface body and location spheroid are placed in clutch can respective channels or Internal Spherical Surface, read the reading of indicating gauge, therefore, easy to operate, and also it is quick to change kind, take measured workpiece as standard component, convenient metering and use.Indicating gauge can change according to customer requirement, and lower to environment for use requirement, is suitable for inter process and uses.
Accompanying drawing explanation
Fig. 1 is clutch can partial cutaway schematic diagram.
Fig. 2 be in Fig. 1 G-G to cut-open view.
Fig. 3 is measuring principle figure of the present invention.
Fig. 4 is that the present invention measures clutch can channel device partial cutaway structural drawing.
Fig. 5 is gauge stand structure enlarged drawing of the present invention.
Fig. 6 is that the present invention measures clutch can channel device principle schematic.
Fig. 7 is that the present invention measures clutch can Internal Spherical Surface device partial cutaway structural drawing.
Fig. 8 is that the present invention measures clutch can Internal Spherical Surface principle of device schematic diagram.
Fig. 9 is that the present invention measures clutch can Internal Spherical Surface device vee-block working state schematic representation.
Embodiment
Below in conjunction with drawings and Examples, describe in detail:
As depicted in figs. 1 and 2, clutch can inside is provided with 6 equally spaced raceway grooves 18 and 6 equally spaced Internal Spherical Surface 19, raceway groove 18 and Internal Spherical Surface 19 are alternately distributed, Internal Spherical Surface 19 is spheres, that is to say, no matter Internal Spherical Surface 19 is along clutch can longitudinal cross-section, or lateral cross section, and its profile is all circular.And raceway groove 18 is circular along clutch can longitudinal cross-section profile, and raceway groove 18 is oval along the profile of lateral cross section.Therefore, when the spheroid that is less than raceway groove longitudinal cross-section round diameter when diameter contacts with raceway groove 18, the two contact be 2 points, and the spheroid that is less than Internal Spherical Surface longitudinal cross-section round diameter when diameter is when contact with Internal Spherical Surface 19, the two contact be 1 point.Therefore,, measuring Internal Spherical Surface 19 fixedly during clutch can, need to be provided with at the cylindrical wall of clutch can a vee-block and be fixed.
Measuring principle of the present invention as shown in Figure 3, measuring lever 2 is hinged on worktable 1 by pin joint E, measuring lever 2 right-hand members is measuring junction F, measure lever 2 horizontal positioned, measuring lever 2 left ends is indication end D, measuring junction F is provided with two and measures spherical surface body, respectively the 1st spherical surface body 11 and the 2nd spherical surface body 12, the equal diameters of the 1st spherical surface body 11 and the 2nd spherical surface body 12, the 1st spherical surface body 11 and the 2nd spherical surface body 12 lay respectively at the two ends up and down of the vertical line L 8 of indication end D and pin joint E line L7, the 1st spherical surface body 11 center and the 2nd spherical surface body 12 center are all equated with the distance of line L7.In addition, as seen from Figure 3, the 1st spherical surface body 11 is line L5 with the raceway groove of clutch can 14 or the line that contacts point of contact and the 1st spherical surface body 11 centers of the longitudinal circle of Internal Spherical Surface, the 2nd spherical surface body 12 is line L6 with the line that contacts point of contact and the 2nd spherical surface body 12 centers of clutch can raceway groove or the longitudinal circle of Internal Spherical Surface, line L5, it is intersection point O that line L6 and line L7 tri-lines intersect a bit, hence one can see that, intersection point O is the central point of clutch can raceway groove or Internal Spherical Surface, and intersection point O and indication end D lay respectively at the two ends of pin joint E, therefore, the variation of intersection point O position must be reflected by the variation of D position, indication end.When table bar is perpendicular to measuring lever 2, indication end, the position D that table bar is laid at measurement lever 2 equates to the distance L 4 of the center intersection point O of Internal Spherical Surface or raceway groove with pin joint E to the distance L 3 of pin joint E, the reading of indicating gauge is by the variation of 1: 1 ground reflection Internal Spherical Surface or raceway groove center, the variation of equal proportion indication Internal Spherical Surface or raceway groove center and basal plane, just opposite direction.
Embodiment 1
As shown in Figure 4 and Figure 5,1 one kinds of measurement clutch can channel device of embodiment, comprise worktable 1, measure lever 2, backstay 3 and rail plate, worktable 1 comprises base plate 21, and the bottom surface of base plate 21 is provided with 4 supporting legs 24, the end face left and right sides of base plate 21 is fixed with side plate 23, the top of side plate 23 is fixed with cover plate 22, and side plate 23 is provided with bearing pin 25, measures lever 2 hinged by bearing pin 25 and worktable 1, one end of measuring lever 2 is measuring junction, and measuring junction is the 1st spherical surface body 11 and the 2nd spherical surface body 12; The other end of measuring lever 2 is indication end, indication end hang with extension spring 26 and gag lever post 33 below, the upper surface of indication end contacts with the bottom of showing bar 8.Cover plate 22 left sides are provided with rail plate, and rail plate comprises moving rail 4 and quiet rail 5, and moving rail 4 and quiet rail 5 sliding contacts are fixed with backstay 3 on moving rail 4, and backstay 3 one end are provided with location sphere body 13.The 1st spherical surface body 11 and the 2nd spherical surface body 12 towards identical, towards the opposite towards with the 1st spherical surface body 11 and the 2nd spherical surface body 12 of location spheroid 13.Cover plate 22 right sides are provided with penetrating 2 strip holes 28 and 1 table bar strip hole 34, table bar strip hole 34 is between 2 strip holes 28 and parallel, be positioned at cover plate 22 above, be provided with gauge stand 27 with strip hole 28 and table bar strip hole 34 corresponding positions, the centre of gauge stand 27 is provided with through hole 29, and table bar 8 contacts with the indication end of measuring lever 2 with corresponding table bar strip hole 34 through through hole 29.Gauge stand 27 is fixing with cover plate 22 by bolt 32, and the screw rod in bolt 32 also tightens up with supporting nut through the strip hole 28 on cover plate 22 here.Gauge stand 27, by the strip hole 28 on bolt 32, cover plate 22, can move left and right the relative cover plate 22 of gauge stand 27, when gauge stand 27 and cover plate 22 relative positions fixing after, then together with gauge stand 27 being fixed with cover plate 22 by bolt 32.By screwing screw 31, drive flexure strip 30 to fix table bar 8.
As shown in Figure 6,1 one kinds of measurement clutch can channel device of embodiment comprise measures lever 2, backstay 3, worktable 1, sliding rail and operating grip 7, measure lever 2 hinged by pin joint E with worktable 1, measuring lever 2 one end is measuring junction F, the other end is indication end D, measuring junction F is provided with the 1st spherical surface body 11 and the 2nd spherical surface body 12, the equal diameters of the 1st spherical surface body 11 and the 2nd spherical surface body 12, the 1st spherical surface body 11 and the 2nd spherical surface body 12 lay respectively at indication end D and the equally spaced upper and lower two ends of pin joint E line.Indicating gauge 9 contacts with the indication end D that measures lever 2 by table bar 8, and the table bar strip hole 34 that table bar 8 is provided with through table pole socket 27 and worktable 1, during use, shows pole socket 27 and worktable 1 and be bolted.On worktable 1, be fixed with quiet rail 5, moving rail 4 and quiet rail 5 sliding contacts, be fixed with backstay 3 on moving rail 4, and backstay 3 one end are location sphere body 13, the other end and stage clip 6 Elastic Contact.Operating grip 7 is hinged with worktable 1, and operating grip 7 one end are shift fork, and shift fork contacts with the compression end H of stage clip 6, and the other end is free end.In order to measure conveniently, according to the size of clutch can, below clutch can reference field, can pad the backing plate 10 of suitable height.
1 one kinds of using method of measuring clutch can channel device of embodiment:
(1-1) according to tested clutch can 14, select the backing plate 10 of corresponding height and fix, make the 1st spherical surface body the 11, the 2nd spherical surface body 12 and location sphere body 13 can be positioned at the respective channels of tested clutch can.
(1-2) according to tested clutch can, select corresponding the 1st spherical surface body the 11, the 2nd spherical surface body 12 and location spheroid 13 fixing, the diameter of the 1st spherical surface body the 11, the 2nd spherical surface body 12 and location spheroid 13 is less than raceway groove longitudinal cross-section round diameter.
(1-3) the selected clutch can standard component that needs measurement.
(1-4) left hand is moved operating grip 7, and compression press spring 6 makes backstay 3 retractions.
(1-5) right hand takes jail by the clutch can standard component of metering, is positioned on backing plate 10, and makes the 1st spherical surface body the 11, the 2nd spherical surface body 12 be placed in the upper and lower side of the identical raceway groove of clutch can standard component, and location spheroid 13 is positioned at opposite raceway groove.
(1-6) left hand is decontroled operating grip 7, and the spring force of pressured spring 6 makes to locate spheroid 13, the 1st spherical surface body 11 and the 2nd spherical surface body 12 and reliably contacts with clutch can standard component raceway groove; Repeat operation 2～3 times, confirm that location spheroid 13, the 1st spherical surface body 11 reliably contact with clutch can standard component raceway groove with the 2nd spherical surface body 12.
(1-7) adjustment form bar tail end fully contacts with indication end D: lower mileometer adjustment bar, when table bar tail end contacts with indication end D is firm, read the now reading of indicating gauge, continue again to press down table bar, make dial gauge reading increase by 20 microns, and indicating gauge shows stable, then screws screw 31, screw 31 drives the height of flexure strip 31 fixed table bars 8.So just can guarantee that the tail end of showing bar 8 fully contacts with indication end D and indicating gauge 9 stable reading.
(1-8) adjust indicating gauge 9 and measure lever 2 lateral contact positions, between backing plate 10 and clutch can standard component, increase and decrease the clearance gauge of standard thickness, the lateral contact position of continuous adjustment form bar 8 and indication end D, the size height that makes to increase clearance gauge is identical with the variation numerical value that indicating gauge 9 shows, because indication end and measuring junction lay respectively at the two ends of measuring lever 2 pin joints, increase clearance gauge, indicating gauge shows reduced in size, withdraw from clearance gauge, indicating gauge shows increases size.Until increase the height dimension of clearance gauge, show that with indicating gauge the numerical value reducing is consistent, the position that instruction card bar 8 is laid at measurement lever 2 is equidistant to the distance L 4 of the center intersection point O of raceway groove with pin joint E to the distance L 3 of pin joint E, otherwise, the lateral contact position of readjusting table bar and indication end, changes the distance of contact position and pin joint E.
(1-9) unclamp, move operating grip 2～3 times, after indicating gauge 8 indications are stable, then adjust the watchcase of indicating gauge, the pointer of indicating gauge is made zero.Take clutch can standard component away, carry out the measurement of tested clutch can workpiece.
(1-10) identical with aforesaid operations step (1-4), (1-5), (1-6) while measuring tested clutch can workpiece, the reading of indicating gauge is exactly the deviate of tested clutch can workpiece raceway groove center and clutch can standard component, the direction of the reading of indicating gauge is contrary with the bias direction of tested clutch can workpiece centre position, and when dial gauge reading is "+", tested clutch can workpiece centre position is "-".
Embodiment 2
As shown in Fig. 7 and Fig. 9,2 one kinds of devices of measuring clutch can Internal Spherical Surface of embodiment, comprise worktable 1, rail plate, measurement lever 2 and backstay 3, worktable 1 comprises base plate 21, the bottom surface of base plate 21 is provided with 4 supporting legs 24, the end face left and right sides of base plate 21 is fixed with side plate 23, the top of side plate 23 is fixed with cover plate 22, side plate 23 is provided with bearing pin 25, measure lever 2 hinged by bearing pin 25 and worktable 1, the left end of measuring lever 2 is measuring junction, and measuring junction is the 1st spherical surface body 11 and the 2nd spherical surface body 12; The right-hand member of measuring lever 2 is indication end, indication end hang with extension spring 26 and gag lever post 33 below, the upper surface of indication end contacts with the bottom of showing bar 8.Rail plate comprises moving rail 4 and quiet rail 5, and base plate 21 is fixed with quiet rail 5, and moving rail 4 and quiet rail 5 sliding contacts are fixed with backstay 3 on moving rail 4, and backstay 3 one end are vee-block 15.Cover plate 22 right sides are provided with penetrating strip hole, be positioned at cover plate above, be provided with gauge stand with strip hole corresponding position, in embodiment 2, the structure of gauge stand and cover plate is the same with embodiment 1 structure, embodiment 2 gauge stands method of adjustment is on the cover board the same manner as in Example 1.
As shown in Figure 8, 2 one kinds of devices of measuring clutch can Internal Spherical Surface of embodiment comprise measurement lever 2, backstay 3, sliding rail, worktable 1 and operating grip 7, measure lever 2 hinged by pin joint E with worktable 1, measuring lever 2 one end is measuring junction F, the other end is indication end D, measuring junction F is provided with the 1st spherical surface body 11 and the 2nd spherical surface body 12, the equal diameters of the 1st spherical surface body 11 and the 2nd spherical surface body 12, the 1st spherical surface body 11 and the 2nd spherical surface body 12 lay respectively at indication end D and the equally spaced upper and lower two ends of pin joint E line, indicating gauge 9 contacts with the indication end D that measures lever 2 by table bar 8, table bar 8 is through the through hole of table pole socket 27 and the table bar strip hole 34 that cover plate 22 is provided with, table pole socket 27 be positioned at cover plate 22 above, during use, table pole socket 27 and cover plate 22 are to be bolted.On worktable 1, be fixed with quiet rail 5, moving rail 4 and quiet rail 5 sliding contacts, be fixed with backstay 3 on moving rail 4, and backstay 3 one end are vee-block 15, the other end and stage clip 6 Elastic Contact.Operating grip 7 is hinged with worktable 1, and operating grip 7 one end are shift fork, and shift fork contacts with the compression end H of stage clip 6, and the other end is free end.In order to measure conveniently, according to the size of clutch can, below clutch can reference field, can pad the backing plate 10 of suitable height.
2 one kinds of measurement clutch can Internal Spherical Surface device methods of operating of embodiment:
(2-1) according to tested clutch can 14, select the backing plate 10 of corresponding height and fix, make the 1st spherical surface body the 11, the 2nd spherical surface body 12 can be positioned at the corresponding Internal Spherical Surface of tested clutch can.
(2-2) according to tested clutch can, select corresponding the 1st spherical surface body the 11, the 2nd spherical surface body 12 and vee-block 15 fixing, the diameter of the 1st spherical surface body 11, the 2nd spherical surface body 12 is less than Internal Spherical Surface longitudinal cross-section round diameter.
(2-3) the selected clutch can standard component that needs measurement.
(2-4) left hand is moved operating grip 7, and compression press spring 6 makes backstay 3 retractions.
(2-5) right hand takes jail by the clutch can standard component of metering, is positioned on backing plate 10, and the 1st spherical surface body 11 is contacted corresponding to the corresponding same Internal Spherical Surface of tested clutch can standard component with the 2nd spherical surface body 12.
(2-6) left hand is decontroled handle 7, and the elastic force of pressured spring 6 promotes tested clutch can standard component by V-block makes the 1st spherical surface body 11 reliably contact with Internal Spherical Surface with the 2nd spherical surface body 12; This operation repeats 2～3 times, confirms that the 1st spherical surface body 11 reliably contacts with tested clutch can standard component Internal Spherical Surface with the 2nd spherical surface body 12.
(2-7) adjustment form bar tail end fully contacts with indication end D: lower mileometer adjustment bar, when table bar tail end contacts with indication end D is firm, read the now reading of indicating gauge, continue again to press down table bar, make dial gauge reading increase by 20 microns, and indicating gauge demonstration is stable, then the height of fixed table bar 8.The tail end that so just can guarantee to show bar 8 fully contact with indication end D and dial gauge reading stable.
(2-8) adjust indicating gauge and the lateral contact position of measuring lever 2 indication ends, between backing plate 10 and clutch can standard component, increase and decrease the clearance gauge of standard thickness, the lateral contact position of continuous adjustment form bar and indication end, the size height that makes to increase clearance gauge is identical with the variation numerical value that indicating gauge shows, because indication end and measuring junction lay respectively at the two ends of measuring lever 2 pin joints, increase clearance gauge, indicating gauge shows reduced in size, withdraw from clearance gauge, indicating gauge shows increases size.Until increase the height dimension of clearance gauge, show that with indicating gauge the numerical value reducing is consistent, the position that instruction card bar is laid at measurement lever 2 is equidistant to the distance L 4 of the center intersection point O of Internal Spherical Surface with pin joint E to the distance L 3 of pin joint E, otherwise, the lateral contact position of adjustment form bar and indication end, changes the distance of contact position and pin joint E.
(2-9) unclamp, move operating grip 2～3 times, after indicating gauge indication is stable, then adjust the watchcase of indicating gauge, the pointer of indicating gauge is made zero.Take clutch can standard component away, carry out the measurement of tested clutch can workpiece.
(2-10) identical with aforesaid operations step (2-4), (2-5), (2-6) while measuring tested clutch can workpiece Internal Spherical Surface, the reading of indicating gauge is exactly the deviate of tested clutch can workpiece Internal Spherical Surface center and clutch can standard component, the direction of the reading of indicating gauge is contrary with the bias direction of tested clutch can workpiece centre position, and when dial gauge reading is "+", tested clutch can workpiece centre position is "-".
Embodiment 1 and embodiment 2 device parameters:
Repeatable accuracy: ± 0.002mm (or margin tolerance while being 0.05mm R & R≤10%)
The error of indication: 0.002mm
Resolution: 0.001mm
Measure pitch time≤10 second/part
The present invention successfully uses through great many of experiments, and gets good effect, and the repeatability of checking and accepting according to measurer, the result of calculation of repeatability are all less than 10%.
Claims (4)
1. measure clutch can channel device for one kind, it is characterized in that: comprise and measure lever (2), backstay (3), worktable (1) and sliding rail, measure lever (2) hinged by pin joint E with worktable (1), measuring lever (2) one end is measuring junction F, the other end is indication end D, measuring junction F is provided with the 1st spherical surface body (11) and the 2nd spherical surface body (12), the equal diameters of the 1st spherical surface body (11) and the 2nd spherical surface body (12), the 1st spherical surface body (11) and the 2nd spherical surface body (12) lay respectively at indication end D and the equally spaced upper and lower two ends of pin joint E line, indicating gauge (9) contacts with the indication end D that measures lever (2) by table bar (8), sliding rail comprises quiet rail (5) and moving rail (4), and it is upper that quiet rail (5) is fixed on worktable (1), moving rail (4) and quiet rail (5) sliding contact, on moving rail (4), be fixed with backstay (3), backstay (3) one end is location sphere body (13), the other end and stage clip (6) Elastic Contact, be hinged with operating grip (7) with worktable (1), operating grip (7) one end is shift fork, shift fork contacts with the compression end H of stage clip (6), and the other end is free end.
2. a method that adopts measurement clutch can channel device as claimed in claim 1 to measure clutch can raceway groove:
(1-1) according to tested clutch can (14), select the backing plate (10) of corresponding height and fix, make the 1st spherical surface body (11), the 2nd spherical surface body (12) and location sphere body (13) can be positioned at the respective channels of tested clutch can;
(1-2) according to tested clutch can, select corresponding the 1st spherical surface body (11), the 2nd spherical surface body (12) and location sphere body (13) fixing, the diameter of the 1st spherical surface body (11), the 2nd spherical surface body (12) and location sphere body (13) is less than raceway groove longitudinal cross-section round diameter;
(1-3) the selected clutch can standard component that needs measurement;
(1-4) left hand is moved operating grip (7), and compression press spring (6) makes backstay (3) retraction;
(1-5) right hand takes jail by the clutch can standard component of metering, be positioned on backing plate (10), and making the 1st spherical surface body (11), the 2nd spherical surface body (12) be placed in the upper and lower side of the identical raceway groove of clutch can standard component, location sphere body (13) is positioned at opposite raceway groove;
(1-6) left hand is decontroled operating grip (7), and the spring force of pressured spring (6) makes location sphere body (13), the 1st spherical surface body (11) and the 2nd spherical surface body (12) reliably contact with clutch can standard component raceway groove; Repeat operation 2～3 times, confirm that location sphere body (13), the 1st spherical surface body (11) reliably contact with clutch can standard component raceway groove with the 2nd spherical surface body (12);
(1-7) adjustment form bar tail end fully contacts with indication end D: lower mileometer adjustment bar, when table bar tail end contacts with indication end D is firm, read the now reading of indicating gauge, continue again to press down table bar, make dial gauge reading increase by 20 microns, and indicating gauge shows stable, then the height of fixed table bar (8);
(1-8) adjust indicating gauge (9) and measure lever (2) lateral contact position, between backing plate (10) and clutch can standard component, increase and decrease the clearance gauge of standard thickness, the continuous lateral contact position of adjustment form bar (8) and indication end D, the size height that makes to increase clearance gauge is identical with the variation numerical value of indicating gauge (9) demonstration;
(1-9) unclamp, move operating grip 2～3 times, after indicating gauge (9) indication is stable, then adjust the watchcase of indicating gauge, the pointer of indicating gauge is made zero, take clutch can standard component away, carry out the measurement of tested clutch can workpiece;
(1-10) identical with aforesaid operations step (1-4), (1-5), (1-6) while measuring tested clutch can workpiece, the reading of indicating gauge is exactly the deviate of tested clutch can workpiece raceway groove center and clutch can standard component, and the reading deviation positive and negative and tested clutch can workpiece centre position of indicating gauge is contrary.
3. a device of measuring clutch can Internal Spherical Surface, it is characterized in that: comprise and measure lever (2), vee-block (15), worktable (1) and sliding rail, measure lever (2) hinged by pin joint E with worktable (1), measuring lever (2) one end is measuring junction F, the other end is indication end D, measuring junction F is provided with the 1st spherical surface body (11) and the 2nd spherical surface body (12), the equal diameters of the 1st spherical surface body (11) and the 2nd spherical surface body (12), the 1st spherical surface body (11) and the 2nd spherical surface body (12) lay respectively at indication end D and the equally spaced upper and lower two ends of pin joint E line, indicating gauge (9) contacts with the indication end D that measures lever (2) by table bar (8), sliding rail comprises quiet rail (5) and moving rail (4), quiet rail (5) is fixed on worktable (1), moving rail (4) and quiet rail (5) sliding contact, on moving rail (4), be fixed with backstay (3), backstay (3) one end is provided with V-block (15), the other end and stage clip (6) Elastic Contact, be hinged with operating grip (7) with worktable (1), operating grip (7) one end is shift fork, shift fork contacts with the compression end H of stage clip (6), and the other end is free end.
4. a method that adopts the measurement device clutch can Internal Spherical Surface of measurement clutch can Internal Spherical Surface as claimed in claim 3:
(2-1) according to tested clutch can (14), select the backing plate (10) of corresponding height and fix, make the 1st spherical surface body (11), the 2nd spherical surface body (12) can be positioned at the corresponding Internal Spherical Surface of tested clutch can;
(2-2) according to tested clutch can, select corresponding the 1st spherical surface body (11), the 2nd spherical surface body (12) and vee-block (15) fixing, the diameter of the 1st spherical surface body (11), the 2nd spherical surface body (12) is less than Internal Spherical Surface longitudinal cross-section round diameter;
(2-3) the selected clutch can standard component that needs measurement;
(2-4) left hand is moved operating grip (7), and compression press spring (6) makes backstay (3) retraction;
(2-5) right hand takes jail by the clutch can standard component of metering, is positioned over backing plate (10) upper, and the 1st spherical surface body (11) is contacted corresponding to the corresponding same Internal Spherical Surface of tested clutch can standard component with the 2nd spherical surface body (12);
(2-6) left hand is decontroled handle (7), and the elastic force of pressured spring (6) promotes tested clutch can standard component by V-block makes the 1st spherical surface body (11) reliably contact with Internal Spherical Surface with the 2nd spherical surface body (12); This operation repeats 2～3 times, confirms that the 1st spherical surface body (11) reliably contacts with tested clutch can standard component Internal Spherical Surface with the 2nd spherical surface body (12);
(2-7) adjustment form bar tail end fully contacts with indication end D: lower mileometer adjustment bar, when table bar tail end contacts with indication end D is firm, read the now reading of indicating gauge, continue again to press down table bar, make dial gauge reading increase by 20 microns, and indicating gauge shows stable, then the height of fixed table bar (8);
(2-8) adjust indicating gauge and the lateral contact position of measuring lever (2) indication end, between backing plate (10) and clutch can standard component, increase and decrease the clearance gauge of standard thickness, the continuous lateral contact position of adjustment form bar and indication end, the size height that makes to increase clearance gauge is identical with the variation numerical value of indicating gauge demonstration;
(2-9) unclamp, move operating grip 2～3 times, after indicating gauge indication is stable, then adjust the watchcase of indicating gauge, the pointer of indicating gauge is made zero, take clutch can standard component away, carry out the measurement of tested clutch can workpiece;
(2-10) identical with aforesaid operations step (2-4), (2-5), (2-6) while measuring tested clutch can workpiece Internal Spherical Surface, the reading of indicating gauge is exactly the deviate of tested clutch can workpiece Internal Spherical Surface center and clutch can standard component, and the deviation positive and negative and tested clutch can workpiece centre position of the reading of indicating gauge is contrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110263153.1A CN102425983B (en) | 2011-08-24 | 2011-08-24 | Apparatuses for measuring channel and inner spherical surface of bell-shaped shell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110263153.1A CN102425983B (en) | 2011-08-24 | 2011-08-24 | Apparatuses for measuring channel and inner spherical surface of bell-shaped shell |
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| Publication Number | Publication Date |
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| CN102425983A CN102425983A (en) | 2012-04-25 |
| CN102425983B true CN102425983B (en) | 2014-08-13 |
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| CN201110263153.1A Expired - Fee Related CN102425983B (en) | 2011-08-24 | 2011-08-24 | Apparatuses for measuring channel and inner spherical surface of bell-shaped shell |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102967285A (en) * | 2012-11-20 | 2013-03-13 | 无锡麦铁精密机械制造有限公司 | Spherical spacing detection gauge for internal spherical part |
| CN103017638B (en) * | 2012-11-29 | 2015-06-03 | 西安航空动力控制科技有限公司 | Diameter measuring tool of inner spherical section circle and measuring method |
| CN106041724A (en) * | 2016-06-15 | 2016-10-26 | 耐世特凌云驱动系统（芜湖）有限公司 | Initial positioning tool of outer ring combined grinding machine |
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| JP4284240B2 (en) * | 2004-06-24 | 2009-06-24 | 本田技研工業株式会社 | Dimension measuring method and apparatus of constant velocity joint. |
| CN201680806U (en) * | 2010-05-11 | 2010-12-22 | 温州市冠盛汽车零部件集团股份有限公司 | Coaxiality detector for six grooves and inner spherical surface of cardan external star wheel at fixed end |
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