CN105202995A - Cylinder part inner hole positioning device and cylinder part outer contour geometric tolerance measuring instrument - Google Patents
Cylinder part inner hole positioning device and cylinder part outer contour geometric tolerance measuring instrument Download PDFInfo
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- CN105202995A CN105202995A CN201510758920.4A CN201510758920A CN105202995A CN 105202995 A CN105202995 A CN 105202995A CN 201510758920 A CN201510758920 A CN 201510758920A CN 105202995 A CN105202995 A CN 105202995A
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- conical surface
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Abstract
The invention discloses a cylinder part inner hole positioning device and a cylinder part outer contour geometric tolerance measuring instrument. The positioning device comprises a positioning mandrel, and further comprises a first lock nut sleeving the top end of the positioning mandrel; a first conical surface is arranged on the upper section of the positioning mandrel and a second conical surface is arranged on the lower section of the positioning mandrel; the bottom end of the positioning mandrel is a cylindrical section; the second conical surface is in contact with a first positioning surface of a part inner hole; the taper angle of the first conical surface is greater than that of the second conical surface; an expansion spring sleeves the surface of the first conical surface; the outer surface of the upper section of the expansion spring is an expansion spring positioning surface in contact with the second positioning surface of the part inner hole; the inner surface of the upper section of the expansion spring is a third conical surface; the first conical surface is in contact with the third conical surface; the lower section of the expansion spring is a guide section in contact with the positioning mandrel. The structure is simple, the operation is convenient, gapless positioning for cylinder parts is realized, the coaxiality of the parts and the positioning mandrel is guaranteed, and the part outer contour geometric tolerance measuring accuracy is high.
Description
Technical field
The invention belongs to surveying instrument field, particularly a kind of cylindrical parts inner bore of part locating device and outline form and position tolerance surveying instrument, be applicable to endoporus be benchmark cylindrical parts inner bore of part location and outer contour shape position measurement.
Background technology
In the prior art, with endoporus be benchmark cylindrical parts part carry out outline form and position tolerance measure time, locator meams is generally position with the positioning core axle periphery matched with endoporus, and locating device location dimension is generally arigid size.For existing this locating device, because endoporus and positioning core axle periphery are clearance fit, after therefore part installs, between endoporus and positioning core axle periphery, there is gap, cause part and positioning core axle to produce coaxiality error, even eccentric.Drive part to turn round when measuring by positioning core axle, thus make part outer contour shape tolerance and position of related features measure inaccurate, do not reach high-precision requirement.
Summary of the invention
When using existing cylindrical parts inner bore of part locating device to carry out the outer contour shape position measurement of cylindrical parts part, locating device location dimension is arigid size, there is coaxiality error between part and positioning core axle, thus it is inaccurate that part outline form and position tolerance is measured, measuring accuracy is low.The object of the invention is to, for above-mentioned the deficiencies in the prior art, provide a kind of cylindrical parts inner bore of part locating device and outline form and position tolerance surveying instrument.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of cylindrical parts inner bore of part locating device, comprise positioning core axle, also comprise the first set nut being sleeved on this positioning core axle top, this positioning core axle epimere is provided with the first circular conical surface, hypomere is provided with the second circular conical surface, the bottom of positioning core axle is cylindrical section, described second circular conical surface contacts with the first locating surface of inner bore of part, the cone angle of the first circular conical surface is greater than the cone angle of the second circular conical surface, the surface cover of described first circular conical surface has the spring that rises, the outside surface of this spring epimere that rises is the spring locating surface that rises contacted with the second locating surface of inner bore of part, the inside surface of spring epimere of rising is the 3rd circular conical surface, first circular conical surface and the 3rd conical surface contact, the spring hypomere that rises is the guide section contacted with positioning core axle.
The present invention is applicable to locate the cylindrical parts part that endoporus is through hole, and part location dimension is two internal diameters, is respectively the second locating surface of the first locating surface of the endoporus of feature bottom and the endoporus at part top.First locating surface intimate contact of the second circular conical surface and inner bore of part, limits 3 degree of freedom; 3rd circular conical surface and the first circular conical surface intimate contact, the second locating surface intimate contact of rise spring locating surface and inner bore of part, and the second circular conical surface integrated positioning, altogether limit 5 part degree of freedom, thus realize positioning function.
Rise the expanding force Clamp blocks of spring, and the friction force risen between spring locating surface and the second locating surface drives part to move to the large extreme direction of positioning core axle, thus make the first locating surface of inner bore of part be close to the second circular conical surface of positioning core axle, thus realize clamping function.
The present invention utilizes the spring clamping structure that rises, utilize the endoporus at rise spring and the first circular conical surface cooperation locating element top, solve in prior art, be that the locating device of the sleeve part of benchmark causes part and positioning core axle to produce coaxiality error with endoporus, even eccentric, thus make the inaccurate problem of measurement, improve measuring accuracy.
The present invention, to part gapless location, ensure that the right alignment of part and positioning core axle.
Further, also comprise the pressure ring be sleeved on this positioning core axle, described in the rise top of spring be followed successively by pressure ring, the first set nut.
First set nut and the pressure ring being provided with between spring and being sleeved on positioning core axle that rises, when avoiding the first set nut to be directly pressed on the spring that rises, the first set nut rotarily drives the spring that rises and rotates.
Further, also comprise and be sleeved on the spring on described positioning core axle and the back-up ring with this positioning core axle bolt, the top of described back-up ring is followed successively by spring, rise spring.
Described spring plays a part to deviate from fast to the spring that rises.Come loose after the first set nut, the spring of pressurized just recovers, thus applies an acting force upwards to the spring that rises, and the spring that makes to rise exits the first circular conical surface of positioning core axle, and the spring locating surface that simultaneously rises shrinks, and cylindrical parts part just can take out.
Back-up ring and positioning core axle bolt, play a supportive role to spring, and height and position can be regulated on positioning core axle to adjust the decrement of spring.
Further, the first handle removably connected with the first set nut is also comprised.
During Clamp blocks, be connected with the first set nut by first handle, utilize first handle to drive the first set nut to rotate, the spring that rises moves along the first circular conical surface on positioning core axle, the direction more increased toward the first circular conical surface conical surface is moved, and the spring locating surface location dimension that rises is larger.
Further, described in the spring epimere that rises vertically have at least 4 symmetrical channels, the bottom of described symmetrical channels is provided with kidney-shaped circular hole.
Kidney-shaped circular hole can prevent groove from ftractureing.
Further, also comprise guider screw, drive locating slot at guide section, described guider screw is connected with positioning core axle through described locating slot.
Guider screw coordinates with locating slot, limits the spring that rises and rotates.When unloading part, due to the position-limiting action of guider screw, the spring that rises can not be deviate from from positioning core axle.
As a kind of optimal way, the cone angle gamma of described second circular conical surface is 4 ° ~ 10 °.
The cone angle gamma of the second circular conical surface is 4 ° ~ 10 °, ensure the endoporus of feature bottom change in margin tolerance all can with the second circular conical surface intimate contact of positioning core axle.
As a kind of optimal way, the cone angle of described 3rd circular conical surface is greater than the cone angle beta of the first circular conical surface, and the scope of its difference △ is 0.5 ° ~ 1.5 °.
The cone angle of the 3rd circular conical surface, slightly larger than the cone angle beta of the first circular conical surface, prevents the 3rd circular conical surface stuck on the first circular conical surface, thus the spring that prevents from rising is stuck on positioning core axle.The spring locating surface that rises is of a size of can swell size, by the relative movement that the first circular conical surface coordinates with the 3rd circular conical surface, make the spring locating surface diameter swell that rises, thus the spring locating surface that rises is close to the second locating surface of inner bore of part, ensure the endoporus at part top change in margin tolerance all can with the spring locating surface intimate contact that rises.
As a kind of optimal way, the right alignment of described first circular conical surface, the second circular conical surface and cylindrical section is less than 0.01mm.
The right alignment of described first circular conical surface, the second circular conical surface and cylindrical section is less than the precision 0.01mm of dial gauge, to ensure the right alignment after locating device assembling.
Based on same inventive concept, present invention also offers a kind of cylindrical parts part outline form and position tolerance surveying instrument, comprise bearing, lever indicator and dial gauge, comprise described cylindrical parts inner bore of part locating device, described cylindrical section is arranged in bearing.
During measurement, on the positioning device, locating device rotates cylindrical parts part clamping and positioning, thus drives the revolution of cylindrical parts part, and the dial gauge be positioned on surveying instrument is measured part outline form and position tolerance.
Compared with prior art, simple structure of the present invention, easy to operate, achieve and the gapless of cylindrical parts part is located, ensure that the right alignment of part and positioning core axle, high to the measuring accuracy of part outline form and position tolerance.
Accompanying drawing explanation
Fig. 1 is the wiring layout of locating device of the present invention.
Fig. 2 is the structural representation of first handle of the present invention.
Fig. 3 is the structural representation of positioning core axle in Fig. 1.
Fig. 4 is the structural representation of spring of rising in Fig. 1.
Fig. 5 is the vertical view of Fig. 3.
Fig. 6 is the stereographic map of locating device of the present invention.
Fig. 7 is the wiring layout of surveying instrument of the present invention.
Fig. 8 is the left view of Fig. 6.
Fig. 9 is the front view of base in Fig. 7.
Figure 10 is the vertical view of Fig. 9.
Figure 11 is the front view of vertical rack in Fig. 7.
Figure 12 is the right view of Figure 11.
Figure 13 is the structural drawing of runing rest in Fig. 7.
Figure 14 is the A-A cut-open view of Figure 13.
Figure 15 is the right view of the second sleeve in Fig. 7.
Figure 16 is the B-B cut-open view of Figure 15.
Wherein, 1 is base, 2 is positioning core axle, 3 is symmetrical channels, 4 is kidney-shaped circular hole, 5 is guider screw, 6 is cylindrical section, 7 is index hole, 8 is dial framework bar, 9 is lever indicator, 10 is the first secured adjusted structure, 11 is fixed bar, 12 is index lever, 13 is dial gauge, 14 is vertical rack, 15 is runing rest, 16 is the second secured adjusted structure, 17 is boss, 18 is the first sleeve, 19 is bearing, 20 is pressing plate, 21 is pre-loading screw, 22 is the first gathering sill, 23 is guide holder, 24 is tie down screw, 25 is the second set nut, 26 is protruding, 27 is heavy stand, 28 is locating slot, 29 is pressure ring, 30 is back-moving spring, 31 is stage portion, 32 is the second sleeve, 33 is the second gathering sill, 34 is guide finger, 35 is external thread, 36 is lock-screw, 37 is straight pin, 38 is housing screw, 39 is the first pin-and-hole, 40 is threaded hole, 41 is fanning strip, 42 is fan groove, 43 is the second pin-and-hole, 44 is deep-slotted chip breaker, 45 is through hole, 46 is dial framework screw, 47 is shallow slot, 48 is second handle, 49 is the first set nut, 50 is the first circular conical surface, 51 is the second circular conical surface, 52 is the spring that rises, 53 is the spring locating surface that rises, 54 is the 3rd circular conical surface, 55 is guide section, 56 is spring, 57 is back-up ring, 58 is first handle.
Embodiment
As shown in Figures 1 to 6, one embodiment of the invention comprise positioning core axle 2, also comprise the first set nut 49 being sleeved on this positioning core axle 2 top, this positioning core axle 2 epimere is provided with the first circular conical surface 50, hypomere is provided with the second circular conical surface 51, the bottom of positioning core axle 2 is cylindrical section 6, described second circular conical surface 51 contacts with the first locating surface of inner bore of part, the cone angle of the first circular conical surface 50 is greater than the cone angle of the second circular conical surface 51, the surface cover of described first circular conical surface 50 has the spring 52 that rises, this outside surface rising by spring 52 epimere is the spring locating surface 53 that rises contacted with the second locating surface of inner bore of part, the inside surface of spring 52 epimere of rising is the 3rd circular conical surface 54, first circular conical surface 50 contacts with the 3rd circular conical surface 54, spring 52 hypomere that rises is the guide section 55 contacted with positioning core axle 2.
Also comprise the pressure ring 29 be sleeved on this positioning core axle 2, described in the rise top of spring 52 be followed successively by pressure ring 29, first set nut 49.
Also comprise and be sleeved on the spring 56 on described positioning core axle 2 and the back-up ring 57 with this positioning core axle 2 bolt, the top of described back-up ring 57 is followed successively by spring 56, rise spring 52.
Also comprise the first handle 58 removably connected with the first set nut 49.
Described spring 52 epimere that rises vertically has 4 symmetrical channels 3, and the bottom of described symmetrical channels 3 is provided with kidney-shaped circular hole 4.
Also comprise guider screw 5, drive locating slot 28 at guide section 55, described guider screw 5 is connected with positioning core axle 2 through described locating slot 28.
The cone angle gamma of described second circular conical surface 51 is 4 ° ~ 10 °.
The cone angle of described 3rd circular conical surface 54 is greater than the cone angle beta of the first circular conical surface 50, and the scope of its difference △ is 0.5 ° ~ 1.5 °.
Described first circular conical surface 50, second circular conical surface 51 is less than 0.01mm with the right alignment of cylindrical section 6.
The interlude of the described spring 52 that rises is thin cylinder, and wall thickness is 2mm ~ 4mm, and spring 52 epimere that rises vertically has 4 symmetrical channels 3, and the groove width of symmetrical channels 3 is 2mm ~ 3mm; The spring 52 that rises is made up of spring steel, and the guide section 55 of the spring 52 that rises is with positioning core axle 2 for small―gap suture coordinates, and interstice coverage is 0.02mm ~ 0.04mm.For wide arc gap coordinates between guider screw 5 with locating slot 28, interstice coverage is 0.5mm ~ 2mm.α gets 30 °.
Pressure ring 29 bottom surface is provided with a heavy stand 27, and heavy stand 27 can reduce the surface of contact of pressure ring 29 and the spring 52 that rises, and reduces the friction force of pressure ring 29 and spring 52 surface of contact that rises.
Positioning core axle 2 is also provided with the external thread 35 matched with part internal thread.
As shown in Fig. 7 to 16, a kind of cylindrical parts part outline form and position tolerance surveying instrument, comprise bearing 19, lever indicator 9 and dial gauge 13, comprise described cylindrical parts inner bore of part locating device, described cylindrical section 6 is arranged in bearing 19.
Cylindrical parts part outline form and position tolerance surveying instrument comprises described locating device, the first measurement mechanism, the second measurement mechanism and base 1,
Described first measurement mechanism comprises and being vertically fixed on base 1 and the dial framework bar 8 that can move forward and backward, and several lever indicators 9, and described lever indicator 9 is connected with dial framework bar 8 by the first secured adjusted structure 10;
Described second measurement mechanism comprises dividing apparatus on the fixed bar 11 be vertically fixed on base 1, fixed bar 11 and multiple degrees of freedom dial framework regulating device; Described dividing apparatus comprises the index lever 12 being horizontally through fixed bar 11, positioning core axle 2 is evenly equipped with index hole 7, for coordinating with the index lever 12 on the second measurement mechanism.Described index lever 12 can insert or extract described index hole 7; Described multiple degrees of freedom dial framework regulating device comprises dial gauge 13, the adjustable for height vertical rack 14 be connected with fixed bar 11, the runing rest 15 that can rotate around vertical rack 14 be connected with vertical rack 14, the length-adjustable second secured adjusted structure 16 that is connected with runing rest 15, and described dial gauge 13 is connected with runing rest 15 by the second secured adjusted device;
Described base 1 comprises the cannular boss 17 of face center, suit is fixed on the first sleeve 18 of boss 17 inside, described first sleeve 18 is built-in can the bearing 19 of vertical fixed cylinder section 6, the bottom of described cylindrical section 6 is provided with the pressing plate 20 being pressed in bearing 19 inner ring, and described pressing plate 20 is connected by pre-loading screw 21 with cylindrical section 6; Described first measurement mechanism and the second measurement mechanism lay respectively at the both sides of locating device.
Positioning core axle 2 is for inner bore of part origin reference location.
First regulating device and the second regulating device all can be adjusted to corresponding position according to the needs of part outer or the position such as step or boss, then are fixed measurement.Runing rest 15 can rotate around vertical rack 14, vertical rack 14 height adjustable, the second secured adjusted structure 16 adjustable length, so just forms multiple degrees of freedom dial framework regulating device, realizes the measurement of part complex profile feature.Dividing apparatus has two duties, state A: index lever 12 inserts in the index hole 7 of positioning core axle 2, and positioning core axle 2 rotates and is limited, and now carries out loading and unloading part to be measured; State B: index lever 12 is extracted from the index hole 7 of positioning core axle 2, and positioning core axle 2 can rotate, and measures.Thus the control achieved positioning core axle 2 rotary freedom.
During measurement, be contained in by locating device in the bearing 19 of the first sleeve 18, can carry out pretension by pre-loading screw 21 and pressing plate 20 to bearing 19, adjustment bearing 19 play, makes play minimum, makes locating device axial runout amount and radial beat eccentricity all be less than 0.01mm.Cylindrical parts part is arranged on positioning core axle 2, as required position adjustment is carried out to the first measurement mechanism, dial framework bar 8 is in and is convenient to the most suitable position of measurement and is fixed on base 1, adjust the position of the first secured adjusted structure 10 and fix, lever indicator 9 and dial gauge 13 are returned to zero, rotate positioning core axle 2, lever indicator 9 and dial gauge 13 just show outer contour shape and position of related features reading.Multiple lever indicator 9 jerk value and step end face jerk value can carry out synchronous real-time measurement to foreign round, can measure multiple periphery and multiple step simultaneously.
The upper surface of described base 1 has the first gathering sill 22 of fore-and-aft direction, the upper surface of described base 1 is provided with the guide holder 23 of frame above the first gathering sill 22, described dial framework bar 8 is fixed with guide holder 23, and described guide holder 23 can move forward and backward along the first gathering sill 22 and can free adjustment fixed position.
Also comprise the tie down screw 24 through guide holder 23, one end of described tie down screw 24 is positioned at the first gathering sill 22, the other end is equipped with the second set nut 25, and the side surface of described first gathering sill 22 is provided with the projection 26 preventing tie down screw 24 from deviating from from the first gathering sill 22.
Tighten the second set nut 25 just guide holder 23 to be pressed on base 1, be fixed, thus dial framework bar 8 is fixed, to install and to regulate the first secured adjusted structure 10.
On described index lever 12, cover has the back-moving spring 30 between positioning core axle 2 and fixed bar 11, described index lever 12 is also provided with the stage portion 31 spacing to back-moving spring 30.
Back-moving spring 30, at state A pressurized, is in compressive state, produces the power left acted in stage portion 31, and when preventing from loading and unloading part, index lever 12 is deviate from index hole 7.
Described fixed bar 11 is also provided with the second sleeve 32 be enclosed within index lever 12, described second sleeve 32 laterally has the second gathering sill 33 that length is less than index hole 7 degree of depth, described index lever 12 is provided with can the guide finger 34 of movement in the second gathering sill 33, and described guide finger 34 and positioning core axle 2 lay respectively at the both sides of fixed bar 11.
At state A, guide finger 34 is positioned at the second gathering sill 33, and mobile in the second gathering sill 33, index lever 12 inserts in the index hole 7 of positioning core axle 2, and guide finger 34 limits index lever 12 and rotates.At state B, pull index lever 12, guide finger 34 is pulled out the second gathering sill 33, index lever 12 is pulled out the index hole 7 of positioning core axle 2.
Position adjacent with the second periphery top on positioning core axle 2 is also provided with the external thread 35 matched with part internal thread.
External thread 35 matches with part internal thread and to be fixed part, can not move, do not move by External Force Acting affects when ensureing that product parts is measured.The design basis of the positioning datum of such surveying instrument of the present invention and part overlaps, make measuring basis not coincidence error be zero.
Also comprise lock-screw 36, the hypomere of described vertical rack 14 insert described fixed bar 11 top and with fixed bar 11 clearance fit, described lock-screw 36 through fixed bar 11 and with the contacts side surfaces of vertical rack 14 hypomere, the side that vertical rack 14 hypomere contacts with lock-screw 36 is plane.
By said structure, the height of vertical rack 14 can be regulated at vertical direction, carry out position locking by lock-screw 36.The side that vertical rack 14 hypomere contacts with lock-screw 36 is plane, thus has enough stress surfaces when lock-screw 36 is locked, and also limit the rotation of vertical rack 14, is convenient to lock-screw 36 and compresses.
Also comprise straight pin 37 and housing screw 38, the epimere of described vertical rack 14 has the first pin-and-hole 39 and threaded hole 40 from top to bottom successively, one end that described runing rest 15 is connected with vertical rack 14 is two pieces of relative fanning strips 41, fan groove 42 is formed between fanning strip 41, described fanning strip 41 has the second pin-and-hole 43 and deep-slotted chip breaker 44 from top to bottom successively, the epimere of described vertical rack 14 inserts in described fan groove 42, straight pin 37 is through the first pin-and-hole 39 and the second pin-and-hole 43, and housing screw 38 is through threaded hole 40 and fan groove 42.
Fan groove 42 and vertical rack 14 form moving sets, can around straight pin 37 central rotation, and the angular dimension of ring groove can need to formulate flexibly according to measurement.
One end that described runing rest 15 is connected with the second secured adjusted structure 16 has the through hole 45 penetrating into fan groove 42, described second secured adjusted structure 16 is length adjustment indicator bracket, dial gauge 13 is equipped with in described length adjustment indicator bracket one end, the other end to stretch in through hole 45 and with through hole 45 clearance fit, runing rest 15 is also provided with the dial framework screw 46 of locking length adjustment indicator bracket.
Length adjustment indicator bracket can adjusting position in through hole 45.
The length of dial framework bar 8 higher than the length of part to be measured, to measure the part of any outline.Described first secured adjusted structure 10 is the indicator bracket selected according to demand.Described bearing 19 is angular contact bearing.
The head of tie down screw 24 is square, makes it can not rotate in the first gathering sill 22 when locking, and the second set nut 25 surface of contact is comparatively large, can bear larger coupling mechanism force, make reliable lock.
Described second sleeve 32 also has the shallow slot 47 perpendicular with the second gathering sill 33.At state B, guide finger 34 is pulled out the second gathering sill 33, by index lever 12 half-twist, make guide finger 34 be positioned at shallow slot 47, be convenient to locate index lever 12.The end of described index lever 12 is also provided with the second handle 48 being convenient to twitch index lever 12, and described second handle 48 and positioning core axle 2 lay respectively at the both sides of fixed bar 11.
Claims (10)
1. a cylindrical parts inner bore of part locating device, comprise positioning core axle (2), it is characterized in that, also comprise the first set nut (49) being sleeved on this positioning core axle (2) top, this positioning core axle (2) epimere is provided with the first circular conical surface (50), hypomere is provided with the second circular conical surface (51), the bottom of positioning core axle (2) is cylindrical section (6), described second circular conical surface (51) contacts with the first locating surface of inner bore of part, the cone angle of the first circular conical surface (50) is greater than the cone angle of the second circular conical surface (51), the surface cover of described first circular conical surface (50) has the spring that rises (52), the outside surface of this spring that rises (52) epimere is the spring locating surface (53) that rises contacted with the second locating surface of inner bore of part, the inside surface of spring (52) epimere of rising is the 3rd circular conical surface (54), first circular conical surface (50) contacts with the 3rd circular conical surface (54), spring (52) hypomere that rises is the guide section (55) contacted with positioning core axle (2).
2. cylindrical parts inner bore of part locating device as claimed in claim 1, is characterized in that, also comprise the pressure ring (29) be sleeved on this positioning core axle (2), described in the rise top of spring (52) be followed successively by pressure ring (29), the first set nut (49).
3. cylindrical parts inner bore of part locating device as claimed in claim 1, it is characterized in that, also comprise and be sleeved on the spring (56) on described positioning core axle (2) and the back-up ring (57) with this positioning core axle (2) bolt, the top of described back-up ring (57) is followed successively by spring (56), the spring that rises (52).
4. cylindrical parts inner bore of part locating device as claimed in claim 1, is characterized in that, also comprise the first handle (58) removably connected with the first set nut (49).
5. cylindrical parts inner bore of part locating device as claimed in claim 1, is characterized in that, described in spring (52) epimere that rises vertically have at least 4 symmetrical channels (3), the bottom of described symmetrical channels (3) is provided with kidney-shaped circular hole (4).
6. cylindrical parts inner bore of part locating device as claimed in claim 1, it is characterized in that, also comprise guider screw (5), drive locating slot (28) in guide section (55), described guider screw (5) is connected with positioning core axle (2) through described locating slot (28).
7. the cylindrical parts inner bore of part locating device as described in any one of claim 1 to 6, is characterized in that, the cone angle gamma of described second circular conical surface (51) is 4 ° ~ 10 °.
8. the cylindrical parts inner bore of part locating device as described in any one of claim 1 to 6, is characterized in that, the cone angle of described 3rd circular conical surface (54) is greater than the cone angle beta of the first circular conical surface (50), and the scope of its difference △ is 0.5 ° ~ 1.5 °.
9. the cylindrical parts inner bore of part locating device as described in any one of claim 1 to 6, is characterized in that, described first circular conical surface (50), the second circular conical surface (51) are less than 0.01mm with the right alignment of cylindrical section (6).
10. a cylindrical parts part outline form and position tolerance surveying instrument, comprise bearing (19), lever indicator (9) and dial gauge (13), it is characterized in that, comprise the cylindrical parts inner bore of part locating device as described in any one of claim 1 to 9, described cylindrical section (6) is arranged in bearing (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510758920.4A CN105202995B (en) | 2015-11-10 | 2015-11-10 | A kind of cylindrical part outer profile geometric tolerance measuring instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510758920.4A CN105202995B (en) | 2015-11-10 | 2015-11-10 | A kind of cylindrical part outer profile geometric tolerance measuring instrument |
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| CN105202995A true CN105202995A (en) | 2015-12-30 |
| CN105202995B CN105202995B (en) | 2018-11-09 |
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| WO2018218447A1 (en) * | 2017-05-27 | 2018-12-06 | 深圳智慧能源技术有限公司 | Cylindrical roller bearing clearance measuring tool and measuring method |
| CN111941379A (en) * | 2020-08-26 | 2020-11-17 | 江西昌河航空工业有限公司 | Device for marking off special-shaped hollow section |
| CN113369959A (en) * | 2021-05-27 | 2021-09-10 | 成都飞机工业（集团）有限责任公司 | Rapid alignment tool and method for large-scale aviation structural part |
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| WO2018218447A1 (en) * | 2017-05-27 | 2018-12-06 | 深圳智慧能源技术有限公司 | Cylindrical roller bearing clearance measuring tool and measuring method |
| CN111941379A (en) * | 2020-08-26 | 2020-11-17 | 江西昌河航空工业有限公司 | Device for marking off special-shaped hollow section |
| CN113369959A (en) * | 2021-05-27 | 2021-09-10 | 成都飞机工业（集团）有限责任公司 | Rapid alignment tool and method for large-scale aviation structural part |
| CN113369959B (en) * | 2021-05-27 | 2022-01-25 | 成都飞机工业（集团）有限责任公司 | Rapid alignment tool and method for large-scale aviation structural part |
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