CN205079718U - Drum class part outline geometric tolerances measuring instrument - Google Patents
Drum class part outline geometric tolerances measuring instrument Download PDFInfo
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- CN205079718U CN205079718U CN201520889689.8U CN201520889689U CN205079718U CN 205079718 U CN205079718 U CN 205079718U CN 201520889689 U CN201520889689 U CN 201520889689U CN 205079718 U CN205079718 U CN 205079718U
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Abstract
The utility model discloses a drum class part outline geometric tolerances measuring instrument, including positioner, a measuring device, the 2nd measuring device and base, positioner includes the positioning core axle, and the positioning core axle upper segment is equipped with first outer disc, the hypomere is equipped with location terminal surface and the outer disc of second, and the bottom of positioning core axle is the cylindrical section, and location terminal surface equipartition has the index hole, but a measuring device includes vertical fixing on the base and the table skeleton pole of back -and -forth movement to and a plurality of lever dial indicator, lever dial indicator links to each other with the table skeleton pole through first fixed regulation structure, the 2nd measuring device includes the vertical dead lever of fixing on the base, the indexing means on the dead lever and multi freedom table skeleton adjusting device, a measuring device and the 2nd measuring device lie in positioner's both sides respectively. The utility model discloses simple structure, it is accurate reliable to measure, convenient operation, low in manufacturing cost is convenient for remove, and locate mode is nimble variable, can the simultaneous measurement is a plurality of beats.
Description
Technical field
The utility model belongs to surveying instrument field, in particular to a kind of cylindrical parts part outline form and position tolerance surveying instrument, be applicable to endoporus be benchmark cylindrical parts part outline form and position tolerance measure, especially be applicable to being applied to guided missile rocket projectile series products parts, relate to the synchronous real-time measurement of outside diameter runout and step end face jerk value.
Background technology
The outside diameter runout of cylindrical parts part and step end face jerk value can reflect the right alignment of product, cylindricity, circularity, flatness, verticality and jerk value.
In the prior art, for the revolution class thin-wall barrel cylindrical parts part and the parts that take endoporus as benchmark, the metering system of jerk value has two kinds.The first is measured for adding at part man-hour in real time, and the second is for measure with jump measuring instrument.
The first metering system, first with the internal hole reference of the holder locating element on lathe, then uses dial gauge beat.The shortcoming of this metering system is:
The first, due to the restriction of machine head room, multiple beating can not be measured simultaneously.
The second, cylindrical clamping position can cause cylindrical parts part and parts distortion, and measurement result is inaccurate.
3rd, when part machine work sequence completes, then through techniques such as surface treatment, Ageing Treatment and welding, part can produce distortion, and the data that lathe is measured in real time just lost efficacy, and it is unreliable that this method is measured, can not as last measurement requirement.
The second metering system, because jump measuring instrument does not have suitable setting element, be mostly top clamping position, measuring basis and design basis do not overlap, thus produce Datum transfer, and measuring accuracy is low.Jump measuring instrument complex structure in addition, cost is high, is inconvenient to move.
Summary of the invention
The purpose of this utility model is, for above-mentioned the deficiencies in the prior art, provides a kind of cylindrical parts part outline form and position tolerance surveying instrument.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of cylindrical parts part outline form and position tolerance surveying instrument, comprises locating device, the first measurement mechanism, the second measurement mechanism and base,
Described locating device comprises positioning core axle, this positioning core axle epimere is provided with the first periphery, the hypomere that contact with the first locating surface of inner bore of part and is provided with second periphery of locating end face and contacting with the second locating surface of inner bore of part, the bottom of described positioning core axle is cylindrical section, described location end face is positioned at the below of the second periphery, and the diameter of location end face is greater than the diameter of the second periphery, described location end face is evenly equipped with index hole;
Described first measurement mechanism comprises and being vertically fixed on base and the dial framework bar that can move forward and backward, and several lever indicators, and described lever indicator is connected with dial framework bar by the first secured adjusted structure;
Described second measurement mechanism comprises dividing apparatus on the fixed bar be vertically fixed on base, fixed bar and multiple degrees of freedom dial framework regulating device; Described dividing apparatus comprises the index lever being horizontally through fixed bar, and described index lever can insert or extract described index hole; Described multiple degrees of freedom dial framework regulating device comprises dial gauge, the adjustable for height vertical rack be connected with fixed bar, the runing rest that can rotate around vertical rack be connected with vertical rack, the length-adjustable second secured adjusted structure that is connected with runing rest, described dial gauge is connected with runing rest by the second secured adjusted device;
Described base comprises the cannular boss of face center, suit is fixed on the first sleeve of boss inside, described first sleeve is built-in can the bearing of vertical fixed cylinder section, and the bottom of described cylindrical section is provided with the pressing plate being pressed in bearing inner race, and described pressing plate is connected by pre-loading screw with cylindrical section; Described first measurement mechanism and the second measurement mechanism lay respectively at the both sides of locating device.
Part location dimension to be measured is two internal diameters, is respectively the first locating surface of the second locating surface of the endoporus of feature bottom and the endoporus at part top.Positioning core axle is used for inner bore of part origin reference location.Positioning core axle has the first periphery and the second periphery totally two locating surfaces, and a location end face, and three coordinates as positioning datum, positions part to be measured.Corresponding like product part, can process different positioning core axles, changes locating device parts, just can measure; Locating device has high-precision matching requirements, so different size like product, only locating device need be changed, just can measure.
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 can rotate around vertical rack, vertical rack height adjustable, and the second secured adjusted structure length is adjustable, 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 inserts in the index hole of positioning core axle, and positioning core axle rotates and is limited, and now carries out loading and unloading part to be measured; State B: index lever is extracted from the index hole of positioning core axle, positioning core axle can rotate, and measures.Thus the control achieved positioning core axle rotary freedom.
During measurement, can carry out pretension by pre-loading screw and pressing plate to bearing, adjustment bearing clearance, 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, as required position adjustment is carried out to the first measurement mechanism, dial framework bar is in and is convenient to the most suitable position of measurement and is fixed on base, adjust the position of the first secured adjusted structure and fix, by lever indicator and dial gauge zeroing, rotate positioning core axle, lever indicator and dial gauge just show outer contour shape and position of related features reading.Multiple lever indicator 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.
As a kind of optimal way, the upper surface of described base has the first gathering sill of fore-and-aft direction, the upper surface of described base is provided with the guide holder of frame above the first gathering sill, described dial framework bar and guide holder are fixed, and described guide holder can move forward and backward along the first gathering sill and can free adjustment fixed position.
As a kind of optimal way, also comprise the tie down screw through guide holder, one end of described tie down screw is positioned at the first gathering sill, and the other end is equipped with the first set nut, and the side surface of described first gathering sill is provided with the projection preventing tie down screw from deviating from from the first gathering sill.
Tightening the first set nut is just pressed on base by guide holder, is fixed, thus is fixed by dial framework bar, to install and to regulate the first secured adjusted structure.
Further, described bearing is back-to-back installation, and described first sleeve both sides are provided with the first step being pressed in bearing inner race and the second step being pressed in bearing outer ring.
First step and second step are used for bearing pre-tightened.Make positioning core axle be subject to downward pulling force by pre-loading screw, make upper end bearing inner race be subject to downward power, bottom end bearing inner ring is subject to power upwards, pre-loading screw makes metal (upper play reduce simultaneously, play is close to 0, and radial beat eccentricity is minimum, makes positioning core axle self jerk value be less than 0.01mm.
Further, on described index lever, cover has the back-moving spring between positioning core axle and fixed bar, described index lever is also provided with three step spacing to back-moving spring.
Back-moving spring, at state A pressurized, is in compressive state, produces the power left acted on the 3rd step, and when preventing from loading and unloading part, index lever is deviate from index hole.
Further, described fixed bar is also provided with the second sleeve be enclosed within index lever, described second sleeve laterally has the second gathering sill that length is less than the index hole degree of depth, described index lever is provided with can the guide finger of movement in the second gathering sill, and described guide finger and positioning core axle lay respectively at the both sides of fixed bar.
At state A, guide finger is positioned at the second gathering sill, moves in the second gathering sill, and index lever inserts in the index hole of positioning core axle, and guide finger restriction index lever rotates.At state B, pull index lever, guide finger is pulled out the second gathering sill, index lever is pulled out the index hole of positioning core axle.
Further, adjacent with the second periphery top on positioning core axle position is also provided with the external thread matched with part internal thread.
External thread 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 the utility model surveying instrument and part overlaps, make measuring basis not coincidence error be zero.
As a kind of optimal way, also comprise lock-screw, the hypomere of described vertical rack insert described fixed bar top and with fixed bar clearance fit, described lock-screw through fixed bar and with the contacts side surfaces of vertical rack hypomere, the side that vertical rack hypomere contacts with lock-screw is plane.
By said structure, the height of vertical rack can be regulated at vertical direction, carry out position locking by lock-screw.The side that vertical rack hypomere contacts with lock-screw is plane, thus has enough stress surfaces during lock-screw locking, also limit the rotation of vertical rack, is convenient to lock-screw and compresses.
As a kind of optimal way, also comprise straight pin and housing screw, the epimere of described vertical rack has the first pin-and-hole and threaded hole from top to bottom successively, one end that described runing rest is connected with vertical rack is two pieces of relative fanning strips, fan groove is formed between fanning strip, described fanning strip has the second pin-and-hole and deep-slotted chip breaker from top to bottom successively, the epimere of described vertical rack inserts in described fan groove, straight pin is through the first pin-and-hole and the second pin-and-hole, and housing screw is through threaded hole and fan groove.
Fan groove and vertical rack form moving sets, can around straight pin central rotation, and the angular dimension of ring groove can need to formulate flexibly according to measurement.
As a kind of optimal way, one end that described runing rest is connected with the second secured adjusted structure has the through hole penetrating into fan groove, described second secured adjusted structure is length adjustment indicator bracket, dial gauge is equipped with in described length adjustment indicator bracket one end, the other end to stretch in through hole and coordinates with via clearance, runing rest is also provided with the dial framework screw of locking length adjustment indicator bracket.
Length adjustment indicator bracket can adjusting position in through hole.
Compared with prior art, the utility model has following advance:
First, the utility model solves the accurate measurement problem by the outline jerk value of the cylindrical parts parts of Internal hole positioning, solve because of surface treatment, Ageing Treatment, the problem that the part deformation impact that the operations such as welding are brought detects, and in what operation of Internal hole positioning benchmark processing successor can measure, multiple beating can be measured simultaneously.
The second, the utility model structure is simple, measures accurately and reliably, easy to operate, low cost of manufacture, is convenient to mobile; Locator meams flexibility and changeability, solve domestic jump measuring instrument complex structure, cost is high, is inconvenient to problems such as moving.
3rd, locating device of the present utility model, the first measurement mechanism, the second measurement mechanism is separate structure, is independent of each other mutually, and interchangeability is good.Measurement progress depends primarily on positioning core axle, and positioning core axle can be determined according to the design basis of product to be measured, when measuring like product, only need change positioning core axle, or positioning core axle parts can realize the measurement of like product.Conveniently measuring management, can directly change positioning core axle parts, not affect positioning core axle running accuracy.
4th, the utility model can measure the jerk value of any position of part outline feature, thus right alignment, circularity, the cylindricity of reflection parts measuring point, the public extent of the shaped position such as verticality and flatness.
5th, the positioning datum that the utility model achieves measuring basis and design overlaps, and makes Datum transfer be zero; Measuring accuracy depends primarily on the running accuracy of positioning core axle, positioning core axle adopts high-precision bearing to install, and be designed with bearing pre-tightened mechanism, the adjustment to bearing clearance can be realized, make rotary jumping amount can control minimum, thus make measuring accuracy high, ensure that the measurement requirement of product.
6th, the first measurement mechanism of the present utility model can in adjustment position, a direction, to adjust the installing space of the first fixed adjustment structure; Second measurement mechanism has a multiple degrees of freedom dial framework regulating device, and the jerk value that can meet product boss to be measured or different in nature feature is measured, and dividing apparatus is convenient to product component handling and is measured, simply easy to operate.
Accompanying drawing explanation
Fig. 1 is the wiring layout of the utility model one embodiment.
Fig. 2 is the view after Fig. 1 assembled product.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the structural drawing of positioning core axle in Fig. 1.
Fig. 5 is the front view of base in Fig. 1.
Fig. 6 is the vertical view of Fig. 5.
Fig. 7 is the front view of vertical rack in Fig. 1.
Fig. 8 is the right view of Fig. 7.
Fig. 9 is the structural drawing of runing rest in Fig. 1.
Figure 10 is the A-A cut-open view of Fig. 9.
Figure 11 is the right view of the second sleeve in Fig. 1.
Figure 12 is the B-B cut-open view of Figure 11.
Figure 13 is the another kind of structural representation of locating device.
Figure 14 is the structural representation of handle in the another kind of structure of locating device.
Figure 15 is the structural representation of positioning core axle in Figure 13.
Figure 16 is the structural representation of spring of rising in Figure 13.
Figure 17 is the vertical view of Figure 16.
Figure 18 is the stereographic map of locating device in Figure 13.
Wherein, 1 is base, 2 is positioning core axle, 3 is the first periphery, 4 is location end face, 5 is the second periphery, 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 first set nut, 26 is protruding, 27 is heavy stand, 28 is first step, 29 is second step, 30 is back-moving spring, 31 is the 3rd step, 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 first handle, 49 is the second 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 second handle, 59 is symmetrical channels, 60 is kidney-shaped circular hole, 61 is guider screw, 62 is locating slot, 63 is pressure ring.
Embodiment
As shown in Figures 1 to 12, an embodiment of the present utility model comprises locating device, first measurement mechanism, second measurement mechanism and base 1, described locating device comprises positioning core axle 2, this positioning core axle 2 epimere is provided with the first periphery 3 contacted with the first locating surface of inner bore of part, the second periphery 5 that hypomere is provided with location end face 4 and contacts with the second locating surface of inner bore of part, the bottom of described positioning core axle 2 is cylindrical section 6, described location end face 4 is positioned at the below of the second periphery 5, and the diameter of location end face 4 is greater than the diameter of the second periphery 5, described location end face 4 is evenly equipped with index hole 7, 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, and 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.
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 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 first 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.
The head of tie down screw 24 is square, makes it can not rotate in the first gathering sill 22 when locking, and the first set nut 25 surface of contact is comparatively large, can bear larger coupling mechanism force, make reliable lock.
Described bearing 19 is back-to-back installation, and described first sleeve 18 both sides are provided with the first step 28 being pressed in bearing 19 inner ring and the second step 29 being pressed in bearing 19 outer ring.
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 three step 31 spacing to back-moving spring 30.
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.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 first handle 48 being convenient to twitch index lever 12, and described first handle 48 and positioning core axle 2 lay respectively at the both sides of fixed bar 11.
Position adjacent with the second periphery 5 top on positioning core axle 2 is also provided with the external thread 35 matched with part internal thread.
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.
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.
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.
Locating device in the utility model can be changed, as shown in Figure 13 to Figure 18, for being applicable to the another kind of structure of locating device of the present utility model.Another kind of locating device comprises positioning core axle 2, also comprise the second 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 second 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 first 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 63 be sleeved on this positioning core axle 2, described in the rise top of spring 52 be followed successively by pressure ring 63, second 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 second handle 58 removably connected with the second set nut 49.
Described spring 52 epimere that rises vertically has 4 symmetrical channels 59, and the bottom of described symmetrical channels 59 is provided with kidney-shaped circular hole 60.
Also comprise guider screw 61, drive locating slot 62 at guide section 55, described guider screw 61 is connected with positioning core axle 2 through described locating slot 62.
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, wall thickness is 2mm ~ 4mm, and spring 52 epimere that rises vertically has 4 symmetrical channels 59, and the groove width of symmetrical channels 59 is 2mm ~ 3mm, rise by the guide section 55 of spring 52 with positioning core axle 2 for small―gap suture coordinates, interstice coverage is 0.02mm ~ 0.04mm; The spring 52 that rises is made up of spring 56 steel.α gets 30 °.For wide arc gap coordinates between guider screw 61 with locating slot 62, interstice coverage is 0.5mm ~ 2mm.Pressure ring 63 bottom surface is provided with a heavy stand 27, and heavy stand 27 can reduce the surface of contact of pressure ring 63 and the spring 52 that rises, and reduces the friction force of pressure ring 63 and spring 52 surface of contact that rises.
Positioning core axle 2 is evenly equipped with index hole 7, for coordinating with the index lever 12 on the second measurement mechanism.Positioning core axle 2 is also provided with the external thread 35 matched with part internal thread.
Claims (10)
1. a cylindrical parts part outline form and position tolerance surveying instrument, is characterized in that, comprises locating device, the first measurement mechanism, the second measurement mechanism and base (1),
Described locating device comprises positioning core axle (2), this positioning core axle (2) epimere is provided with the first periphery (3), the hypomere that contact with the first locating surface of inner bore of part and is provided with second periphery (5) of locating end face (4) and contacting with the second locating surface of inner bore of part, the bottom of described positioning core axle (2) is cylindrical section (6), described location end face (4) is positioned at the below of the second periphery (5), and the diameter of location end face (4) is greater than the diameter of the second periphery (5), described location end face (4) is evenly equipped with index hole (7);
Described first measurement mechanism comprises and is vertically fixed on the upper and dial framework bar (8) that can move forward and backward of base (1), 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), and 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 inner the first sleeve (18) of boss (17), 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.
2. cylindrical parts part outline form and position tolerance surveying instrument as claimed in claim 1, it is characterized in that, the upper surface of described base (1) has 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 in the first gathering sill (22) top, 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.
3. cylindrical parts part outline form and position tolerance surveying instrument as claimed in claim 2, it is characterized in that, 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 first 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).
4. cylindrical parts part outline form and position tolerance surveying instrument as claimed in claim 1, it is characterized in that, described bearing (19) is back-to-back installation, and described first sleeve (18) both sides are provided with the first step (28) being pressed in bearing (19) inner ring and the second step (29) being pressed in bearing (19) outer ring.
5. cylindrical parts part outline form and position tolerance surveying instrument as claimed in claim 1, it is characterized in that, the upper cover of described index lever (12) has the back-moving spring (30) be positioned between positioning core axle (2) and fixed bar (11), described index lever (12) is also provided with three step (31) spacing to back-moving spring (30).
6. cylindrical parts part outline form and position tolerance surveying instrument as claimed in claim 1, it is characterized in that, described fixed bar (11) is also provided with the second sleeve (32) be enclosed within index lever (12), upper the second gathering sill (33) laterally having length and be less than index hole (7) degree of depth of described second sleeve (32), 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).
7. cylindrical parts part outline form and position tolerance surveying instrument as claimed in claim 1, is characterized in that, the upper position adjacent with the second periphery (5) top of positioning core axle (2) is also provided with the external thread (35) matched with part internal thread.
8. cylindrical parts part outline form and position tolerance surveying instrument as claimed in claim 1, it is characterized in that, 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.
9. cylindrical parts part outline form and position tolerance surveying instrument as claimed in claim 1, it is characterized in that, 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 from top to bottom successively the second pin-and-hole (43) and deep-slotted chip breaker (44), 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), housing screw (38) is through threaded hole (40) and fan groove (42).
10. cylindrical parts part outline form and position tolerance surveying instrument as claimed in claim 9, it is characterized in that, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520889689.8U CN205079718U (en) | 2015-11-10 | 2015-11-10 | Drum class part outline geometric tolerances measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520889689.8U CN205079718U (en) | 2015-11-10 | 2015-11-10 | Drum class part outline geometric tolerances measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205079718U true CN205079718U (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520889689.8U Expired - Fee Related CN205079718U (en) | 2015-11-10 | 2015-11-10 | Drum class part outline geometric tolerances measuring instrument |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105203005A (en) * | 2015-11-10 | 2015-12-30 | 江南工业集团有限公司 | Cylinder part outer contour geometric tolerance measuring instrument |
| CN106524862A (en) * | 2016-11-01 | 2017-03-22 | 淮阴工学院 | Oblique geometric tolerance measuring instrument |
| CN107917688A (en) * | 2017-12-29 | 2018-04-17 | 山东瑞新轴承制造有限公司 | A kind of bearing clearance measuring device |
| CN108180812A (en) * | 2017-12-29 | 2018-06-19 | 曹丽美 | A kind of bearing radial internal clearance measuring device and measuring method |
| EP3543641A1 (en) * | 2018-03-19 | 2019-09-25 | Citic Dicastal Co., Ltd. | Gage for detecting diameter of bolt hole back socket |
| CN110440672A (en) * | 2019-08-27 | 2019-11-12 | 大唐陕西发电有限公司 | A kind of portable bearing clearance measuring device |
| CN111707305A (en) * | 2020-08-20 | 2020-09-25 | 南京泰普森自动化设备有限公司 | Measuring device with interlocking mechanism |
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2015
- 2015-11-10 CN CN201520889689.8U patent/CN205079718U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105203005B (en) * | 2015-11-10 | 2017-11-17 | 江南工业集团有限公司 | A kind of cylindrical part outline form and position tolerance measuring instrument |
| CN105203005A (en) * | 2015-11-10 | 2015-12-30 | 江南工业集团有限公司 | Cylinder part outer contour geometric tolerance measuring instrument |
| CN106524862A (en) * | 2016-11-01 | 2017-03-22 | 淮阴工学院 | Oblique geometric tolerance measuring instrument |
| CN106524862B (en) * | 2016-11-01 | 2019-04-02 | 淮阴工学院 | Oblique geometric tolerances measuring instrument |
| CN108180812B (en) * | 2017-12-29 | 2019-11-01 | 施小斌 | A kind of bearing radial internal clearance measuring device and measurement method |
| CN107917688A (en) * | 2017-12-29 | 2018-04-17 | 山东瑞新轴承制造有限公司 | A kind of bearing clearance measuring device |
| CN108180812A (en) * | 2017-12-29 | 2018-06-19 | 曹丽美 | A kind of bearing radial internal clearance measuring device and measuring method |
| CN107917688B (en) * | 2017-12-29 | 2019-10-25 | 山东瑞新轴承制造有限公司 | A kind of bearing clearance measuring device |
| EP3543641A1 (en) * | 2018-03-19 | 2019-09-25 | Citic Dicastal Co., Ltd. | Gage for detecting diameter of bolt hole back socket |
| US10816314B2 (en) | 2018-03-19 | 2020-10-27 | Citic Dicastal Co., Ltd. | Gage for detecting a diameter of a bolt hole back socket |
| CN110440672A (en) * | 2019-08-27 | 2019-11-12 | 大唐陕西发电有限公司 | A kind of portable bearing clearance measuring device |
| CN111707305A (en) * | 2020-08-20 | 2020-09-25 | 南京泰普森自动化设备有限公司 | Measuring device with interlocking mechanism |
| CN111707305B (en) * | 2020-08-20 | 2021-01-05 | 南京泰普森自动化设备有限公司 | Measuring device with interlocking mechanism |
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