CN204881504U - Short circle column diameter rapid survey appearance of whole circle of asymmetric non - - Google Patents
Short circle column diameter rapid survey appearance of whole circle of asymmetric non - Download PDFInfo
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- CN204881504U CN204881504U CN201520267426.3U CN201520267426U CN204881504U CN 204881504 U CN204881504 U CN 204881504U CN 201520267426 U CN201520267426 U CN 201520267426U CN 204881504 U CN204881504 U CN 204881504U
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Abstract
The utility model discloses a short circle column diameter rapid survey appearance of whole circle of asymmetric non -, including inductance electron post, testing platform and calibration piece group, be provided with the mounting bracket on testing platform, be provided with the positioner of the location whole short cylinder position of circle of asymmetric non - at the hypomere position of mounting bracket, be provided with the support arm on the mounting bracket of positioner top, the stop collar sets firmly in the perforating hole of support arm, and the setting of transition plane gauge head is provided with stop device in the stop collar and outside its lower extreme stretches out the stop collar between transition plane gauge head and stop collar, the pen type sensor passes through the mount pad to be installed on the support arm, and the output of pen type sensor is connected with the input of inductance electron post, and the gauge head of pen type sensor lower extreme supports presses in transition plane gauge head upper end, be provided with resetting means in the perforating hole, be provided with on the mounting bracket and mention the device. The utility model has the advantages that: with low costs, to detect precision and repeatability equal higher and to service environment's strong adaptability.
Description
Technical field
The utility model relates to the survey instrument for measuring short cylindrical diameter, particularly relates to a kind of measuring instrument for measuring asymmetric non-full circle short cylindrical diameter.
Background technology
The non-full circle short cylindrical of asymmetric is flattened cylinder cylindrical sidewall being along the circumferential direction evenly distributed with odd number notch, and the spur gear being 15 as the number of teeth just belongs to the non-full circle short cylindrical of asymmetric.Logical stop ring is generally adopted to advise for the survey instrument detecting asymmetric non-full circle short cylindrical diameter at present, during measurement, the logical stop ring identical with the minimum qualified diameter that the accuracy requirement of tested asymmetric non-full circle short cylindrical limits is selected to advise as little ring standard gauge, the logical stop ring identical with the maximum qualified diameter that the accuracy requirement of tested asymmetric non-full circle short cylindrical limits is selected to advise as large ring standard gauge, then non-for tested asymmetric full circle short cylindrical is filled in little ring standard gauge and large ring standard gauge respectively, if tested asymmetric non-full circle short cylindrical can be filled in little ring standard gauge, then the diameter of this tested asymmetric non-full circle short cylindrical is less than minimum qualified diameter, not in accuracy rating, for defective, if tested asymmetric non-full circle short cylindrical can not be filled in large ring standard gauge, then the diameter of this tested asymmetric non-full circle short cylindrical is greater than maximum qualified diameter, also not in accuracy rating, is defective, if tested asymmetric non-full circle short cylindrical can not to be filled in little ring standard gauge but can fill in large ring standard gauge, then the diameter of the non-full circle short cylindrical of this tested asymmetric is positioned at accuracy requirement scope, is pieces O.K..Although can detect whether the diameter of the non-full circle short cylindrical of tested asymmetric is positioned at accuracy requirement scope by logical stop ring rule, thus determine whether pieces O.K., but the diameter range of the non-full circle short cylindrical of tested asymmetric can only be estimated roughly, but cannot accurately measure the exact numerical of tested asymmetric non-full circle short cylindrical diameter.
For accurately measuring the diameter of the non-full circle short cylindrical of asymmetric, also comprehensive high-precision admeasuring apparatus can be adopted, as three coordinate measuring machine detects it, but the detection speed of three coordinate measuring machine is slower, cost is very expensive, a three coordinate measuring machine price is about 500,000 ~ 5,000,000, and detection efficiency is low and use cost is very expensive.In addition, three coordinate measuring machine requires higher due to self-characteristic to surrounding environment, generally three coordinate measuring machine need be placed in the good constant temperature enclosure of environment and use, so the on-line checkingi that cannot directly apply under common workshop condition or line frontier inspection are surveyed.
Utility model content
The required technical matters solved of the utility model is: provide that a kind of cost is low, accuracy of detection and all higher and adaptable asymmetric non-full circle short cylindrical diameter instrument for quick measuring to environment for use of repeatable accuracy.
For solving the problem, the measurement that the utility model adopts the known and measuring principle of the inductance sensor of maturation to realize asymmetric non-full circle short cylindrical diameter, inductance sensor utilizes electromagnetic induction tested physical quantity as displacement, pressure, flow, vibration etc. converts the coefficient of self-induction of coil and the change of coefficient of mutual inductance to, then the variable quantity being voltage or electric current by circuit conversion exports, and realizes the conversion of non electrical quantity to electricity.Wherein, belong to the pen-type sensor of inductance sensor, the electromagnetic intensity of pen-type sensor and the displacement linear change within the specific limits of pen-type sensor lower end gauge head, the displacement interval range of linear change is relevant with the range of pen-type sensor, the range of pen-type sensor is larger, be then positioned at the displacement interval range also corresponding increase of range of linearity.The utility model utilizes the linear change between the displacement of pen type electromagnetic intensity and its lower end gauge head to measure the non-full circle short cylindrical of tested symmetrical expression.The technical solution adopted in the utility model is: described asymmetric non-full circle short cylindrical diameter instrument for quick measuring, comprise: inductance electronic post, detection platform and the calibrating device group matched with the non-full circle short cylindrical of tested asymmetric, calibrating device group comprises the little calibration post of cylindrical shape and the large calibration post of cylindrical shape, and tested asymmetric non-full circle short cylindrical diameter is greater than little calibration column diameter and is less than calibrates greatly column diameter; Detection platform being provided with erecting frame, being provided with the locating device for non-for tested asymmetric full circle short cylindrical being carried out vertical edge-on location at the hypomere position of erecting frame; Erecting frame epimere sidewall is provided with sway brace, and sway brace is positioned at the top of locating device; The through hole of up/down perforation is provided with in sway brace, stop collar is fixedly installed in through hole, transition plane gauge head is arranged in stop collar and its lower end is stretched out outside stop collar, transition plane gauge head can move up and down in stop collar, is provided with and limits the stop means that transition plane gauge head moves up and down distance between transition plane gauge head and stop collar; Pen-type sensor is installed on sway brace by mount pad, and the output terminal of pen-type sensor is connected with the input end of inductance electronic post, is pressed on transition plane gauge head upper end after the gauge head of pen-type sensor lower end stretches into through hole; Resetting means is provided with in through hole, on the transition plane gauge head that moves can be moved downward to the lower position that stop means limits under the effect of resetting means, when the non-full circle short cylindrical of tested asymmetric is placed in locating device, transition plane gauge head lower end props up tested asymmetric non-full circle short cylindrical and points to the axle center of the non-full circle short cylindrical of tested asymmetric under the effect of resetting means; Erecting frame is also provided with lifting device transition plane gauge head upwards can mentioned.
Further, aforesaid asymmetric non-full circle short cylindrical diameter instrument for quick measuring, wherein, the rest block extended to side is provided with at erecting frame hypomere, rest block lower end is shelved in detection platform, the structure of described locating device comprises: workpiece facade block and the V-arrangement locating piece matched with the non-full circle short cylindrical of tested asymmetric, and workpiece facade block lower end is shelved in rest block, and its sidewall to rest on erecting frame sidewall and is fastened on erecting frame sidewall by securing member; V-arrangement locating piece lower end is shelved in detection platform, and its sidewall to be rested on rest block sidewall and is fastened on rest block sidewall by securing member.
Further, aforesaid asymmetric non-full circle short cylindrical diameter instrument for quick measuring, wherein, detection platform is also provided with the back-up block supporting erecting frame.
Further, aforesaid asymmetric non-full circle short cylindrical diameter instrument for quick measuring, wherein, the structure of described stop means is: be provided with the vertical elongate slots be inwardly recessed at the sidewall of transition plane gauge head, and lock-screw is through stretching in elongate slots after the first through hole of stop collar sidewall; When lock-screw contacts with the upper surface of elongate slots, transition plane gauge head is positioned at the lower position that stop means limits; When lock-screw contacts with the lower surface of elongate slots, transition plane gauge head is positioned at the upper limit position that stop means limits.
Further, aforesaid asymmetric non-full circle short cylindrical diameter instrument for quick measuring, wherein, described resetting means is: the sidewall of transition plane gauge head is provided with outwardly bulge loop, Compress Spring is arranged with between the bulge loop and mount pad of transition plane gauge head, the two ends of Compress Spring are resisted against on bulge loop and mount pad respectively, and under the effect of Compress Spring, transition plane gauge head moves to the lower position that stop means limits.
Further, aforesaid asymmetric non-full circle short cylindrical diameter instrument for quick measuring, wherein, stop collar endoporus epimere be provided with for bulge loop move up and down shelve hole, shelve to be formed between hole and stop collar endoporus and shelve face, when transition plane gauge head is in the lower position that the moved downward of Compress Spring limits to stop means, bulge loop can be shelved on the face of shelving.
Further, aforesaid asymmetric non-full circle short cylindrical diameter instrument for quick measuring, wherein, the structure of described lifting device is: on erecting frame, be provided with fixed block, handle is laterally hinged with on fixed block and the relative pin joint of handle capable of being swings up and down, transition plane gauge head bottom being provided with the through cross through hole in left and right, being connected to the driving stem of handle right-hand member through stretching in cross through hole after the second through hole of stop collar sidewall; Downward pressing handle left end can make driving stem be upturned, thus is upwards mentioned by transition plane gauge head.
Further, aforesaid asymmetric non-full circle short cylindrical diameter instrument for quick measuring, wherein, described sway brace is made up of upper sway brace and lower support arm, upper sway brace is provided with the upper through hole of up/down perforation, lower support arm is provided with the lower through hole of up/down perforation, upper through hole and lower through hole are formed through a through hole mutually, stop collar epimere is provided with outwardly positioning convex ring, the accommodation hole holding positioning convex ring is provided with at upper through hole hypomere or lower through hole epimere, stop collar lower end is stretched out outside through hole, be provided with external thread section stretching out on the stop collar sidewall outside through hole, round nut and external thread section screw, thus stop collar is locked in lower support arm.
Further, aforesaid asymmetric non-full circle short cylindrical diameter instrument for quick measuring, wherein, is provided with hole recessed down in transition plane gauge head upper end, is pressed on baseplane, hole after the gauge head of pen-type sensor lower end stretches into hole; When transition plane gauge head is positioned at lower position, the gauge head pre compressed magnitude be pressed on baseplane, hole of pen-type sensor lower end is 10 μm ~ 50 μm.
Further, aforesaid asymmetric non-full circle short cylindrical diameter instrument for quick measuring, wherein, mount pad is provided with installation sleeve, and the gauge head of pen-type sensor lower end is pressed on transition plane gauge head upper end through after installation sleeve and through hole; Installation sleeve sidewall is along the circumferential direction evenly provided with the bar shaped notch of some upper end open, the fastening block of U-shape is folded on installation sleeve, two clamp arms of the fastening block of U-shape are provided with the clamping screw of control two clamp arm clamping installation sleeve degree, and pen-type sensor is locked in installation sleeve by clamping screw.
The beneficial effects of the utility model are: (1) above-mentioned asymmetric non-full circle short cylindrical diameter instrument for quick measuring can be used for on-line checkingi under common workshop condition or line frontier inspection is surveyed, less demanding to environment for use, strong adaptability; (2) the calibrating device group of the V-arrangement locating piece and corresponding coupling that in use only need change different size model can be measured the non-full circle short cylindrical of the asymmetric of multiple diameter, and can measure the non-full circle short cylindrical of the tested asymmetric of same specification fast after inductance electronic post is calibrated, detection speed is fast, easy to operate; (3) greatly can reduce use cost while meeting compared with high measurement accuracy and repeatable accuracy requirement, its measuring accuracy can be accurate to 1 μm, and repeatable accuracy can be accurate to 1 μm, and manufacturing cost is only 0.4% ~ 4% of three coordinate measuring machine cost.
Accompanying drawing explanation
Fig. 1 is the perspective view of asymmetric described in the utility model non-full circle short cylindrical diameter instrument for quick measuring.
Fig. 2 is the enlarged diagram of part A in Fig. 1.
Fig. 3 is the inner structure schematic diagram of asymmetric non-full circle short cylindrical diameter instrument for quick measuring in Fig. 1.
Fig. 4 is the assembly structure schematic diagram of stop collar and transition plane gauge head in Fig. 3.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, technical scheme described in the utility model is described in further detail.
As shown in figures 1 and 3, asymmetric described in the utility model non-full circle short cylindrical diameter instrument for quick measuring, comprising: inductance electronic post 1, detection platform 2 and the calibrating device group matched with the non-full circle short cylindrical 10 of tested asymmetric.Detection platform 2 is provided with erecting frame 21, in the present embodiment, detection platform 2 is also provided with the back-up block 22 supporting erecting frame 21, and described back-up block 22 is fastenedly connected with erecting frame 21 and detection platform 2 respectively by securing member, thus is anchored in detection platform 2 by erecting frame 21.The locating device for non-for tested asymmetric full circle short cylindrical 10 being carried out vertical edge-on location is provided with between the hypomere position and detection platform 2 of erecting frame 21; The rest block 211 extended to side is provided with at erecting frame 21 hypomere, the lower end of rest block 211 is shelved in detection platform 2, the structure of described locating device comprises: workpiece facade block 23 and the V-arrangement locating piece 24 matched with the non-full circle short cylindrical 10 of tested asymmetric, workpiece facade block 23 lower end is shelved in rest block 211, and the sidewall that its sidewall rests on erecting frame 21 is fastened on the sidewall of erecting frame 21 by securing member; V-arrangement locating piece 24 lower end is shelved in detection platform 2, and the sidewall that its sidewall rests on rest block 211 is fastened on by securing member on the sidewall of rest block 211.Erecting frame 21 epimere sidewall is provided with sway brace 4, and sway brace 4 is positioned at the top of locating device; The through hole of up/down perforation is provided with in sway brace 4, stop collar 8 is fixedly installed in through hole, transition plane gauge head 9 is arranged in stop collar 8 and its lower end is stretched out outside stop collar 8, transition plane gauge head 9 can move up and down in stop collar 8, is provided with and limits the stop means that transition plane gauge head 9 moves up and down distance between transition plane gauge head 9 and stop collar 8; Pen-type sensor 5 is installed on sway brace 4 by mount pad 52, and the output terminal of pen-type sensor 5 is connected with the input end 11 of inductance electronic post 1, is pressed on the upper end of transition plane gauge head 9 after the gauge head 51 of pen-type sensor 5 lower end stretches into through hole; In the present embodiment, transition plane gauge head 9 upper end is provided with hole 92 recessed down, is pressed on baseplane, hole after the gauge head 51 of pen-type sensor 5 lower end stretches into hole 92; When transition plane gauge head 9 is positioned at lower position, gauge head 51 pre compressed magnitude be pressed on baseplane, hole of pen-type sensor 5 lower end is 10 μm ~ 50 μm.The measurement range of measuring instrument is limited by the range of pen-type sensor 5, because pen-type sensor 5 is by the restriction of range, the displacement in certain limit can only be measured, in actual use by selecting the V-arrangement locating piece of different size model to expand the measurement range of measuring instrument, such as, when tested asymmetric non-full circle short cylindrical 10 diameter is larger, highly shorter V-arrangement locating piece can be selected or select the V-arrangement locating piece that v-depression both sides angle is larger, so just can increase the diameter measurement scope of measuring instrument, thus the measurement requirement of the non-full circle short cylindrical of the asymmetric meeting multiple diameter.In through hole, be provided with resetting means, the transition plane gauge head 9 above moved can be moved downward to the lower position that stop means limits under the effect of resetting means; When the non-full circle short cylindrical 10 of tested asymmetric is placed in locating device, the lower end of transition plane gauge head 9 can prop up tested asymmetric non-full circle short cylindrical 10 and point to the axle center of the non-full circle short cylindrical 10 of tested asymmetric under the effect of resetting means.Erecting frame 21 is also provided with lifting device transition plane gauge head 9 upwards can mentioned.Calibrating device group comprises the little calibration post 31 of short cylinder shape and the large calibration post 32 of short cylinder shape, and the diameter of tested asymmetric non-full circle short cylindrical 10 is greater than the diameter of little calibration post 31 and is less than the large diameter calibrating post 32.In actual production, little calibration post 31 and large calibration post 32 are also respectively arranged with lever, and lever sidewall is also provided with anti-skidding lines, and so in use operator can take or place little, large calibration post 31 and 32 more easily.When little calibration post 31 is positioned in V-arrangement locating piece 24, the displacement of pen-type sensor 5 lower end gauge head 51 drops in the electromagnetic intensity of pen-type sensor 5 and the range of linearity of displacement; When large calibration post 32 is positioned in V-arrangement locating piece 24, the displacement of pen-type sensor 5 lower end gauge head 51 also drops in the electromagnetic intensity of pen-type sensor 5 and the range of linearity of displacement.
In the present embodiment, as shown in Figure 3 and Figure 4, the structure of described stop means is: be provided with the vertical elongate slots 93 be inwardly recessed at the sidewall of transition plane gauge head 9, and lock-screw 72 is through stretching in elongate slots 93 after the first through hole of stop collar 8 sidewall; When lock-screw 72 contacts with the upper surface of elongate slots 93, transition plane gauge head 9 is positioned at the lower position that stop means limits; When lock-screw 72 contacts with the lower surface of elongate slots 93, transition plane gauge head 9 is positioned at the upper limit position that stop means limits.
In the present embodiment, as shown in Figure 3 and Figure 4, described resetting means is: transition plane gauge head 9 sidewall is provided with outwardly bulge loop 91, Compress Spring 101 is arranged with between the bulge loop 91 and mount pad 52 of transition plane gauge head 9, the two ends of Compress Spring 101 are resisted against on bulge loop 91 and mount pad 52 respectively, and under the effect of Compress Spring 101, transition plane gauge head 9 moves to the lower position that stop means limits.In the present embodiment, as shown in Figure 4, stop collar endoporus epimere be provided with for bulge loop 91 move up and down shelve hole 82, shelve between hole 82 and stop collar endoporus and form face of shelving 83, when transition plane gauge head 9 is in the lower position that the moved downward of Compress Spring 101 limits to stop means, bulge loop 91 can be shelved on the face of shelving 83.
In the present embodiment, as shown in Figure 1, Figure 3 and Figure 4, the structure of described lifting device is: on erecting frame 21, be provided with fixed block 6, handle 61 is laterally hinged with on fixed block 6 and handle 61 can swing up and down by pin joint relatively, in the present embodiment, handle 61 is hinged by bearing pin 62 and is connected on fixed block 6, and handle 61 can swing up and down by bearing pin 62 relatively.Transition plane gauge head 9 bottom being provided with the through cross through hole in left and right 94, being connected to the driving stem 66 of handle 6 right-hand member through stretching in cross through hole 94 after the second through hole 85 of stop collar 8 sidewall; The left end of downward pressing handle 61 can make driving stem 66 be upturned, thus is upwards mentioned by transition plane gauge head 9.
In the present embodiment, as Fig. 1 and Fig. 3, shown in Fig. 4, described sway brace 4 is made up of upper sway brace 41 and lower support arm 42, upper sway brace 41 is provided with the upper through hole of up/down perforation, lower support arm 42 is provided with the lower through hole of up/down perforation, upper through hole and lower through hole are formed through a through hole mutually, stop collar 8 epimere is provided with outwardly positioning convex ring 81, the accommodation hole holding positioning convex ring 81 is provided with at upper through hole hypomere or lower through hole epimere, stop collar 8 lower end is stretched out outside through hole, stop collar 8 sidewall stretched out outside through hole is provided with external thread section 84, round nut 71 and external thread section 84 screw, thus stop collar 8 is locked in lower support arm 42, avoid because stop collar 8 loosens and affect measuring accuracy and the repeatable accuracy of instrument.
In the present embodiment, as depicted in figs. 1 and 2, mount pad 52 is provided with installation sleeve 54, the gauge head 51 of pen-type sensor 5 lower end is pressed on the baseplane, hole of transition plane gauge head 9 through after installation sleeve 54; Installation sleeve 54 sidewall is along the circumferential direction evenly provided with the bar shaped notch 541 of some upper end open, the fastening block 53 of U-shape is folded on installation sleeve 54, two clamp arms 531 of the fastening block 53 of U-shape are provided with the clamping screw 532 that control two clamp arms 531 clamp installation sleeve 54 degree, pen-type sensor 5 is locked in installation sleeve 54 by clamping screw 532, avoids because pen-type sensor 5 rocks and affects measuring accuracy and the repeatable accuracy of instrument.
Need before measurement first to calibrate inductance electronic post 1, select the V-arrangement locating piece 24 that the rough diameter of tested asymmetric non-full circle short cylindrical 10 matches with this, little calibration post 31 and calibrate post 32 greatly.First transition plane gauge head 9 is upwards mentioned by pressing handle 61 downwards, then little calibration post 31 is placed in the V-type groove of V-arrangement locating piece 24, discharge the pressing force be applied on handle 61, transition plane gauge head 9 Compress Spring 101 elastic force moved downward and compress little calibration post 31, now inductance electronic post 1 shows a numerical value a, then press handle 61 downwards transition plane gauge head 9 is mentioned, large calibration post 32 is put into after taking out little calibration post 31, again discharge the pressing force be applied on handle 61, transition plane gauge head Compress Spring 101 elastic force moved downward and compress large calibration post 32, now inductance electronic post 1 shows another numerical value b, according to the numerical value a of display, the nominal diameter of numerical value b and little calibration post 31 and large calibration post 32 can confirm the enlargement ratio of inductance electronic post 1, change corresponding according to the numerical value change that enlargement ratio adjustment inductance electronic post 1 makes inductance electronic post 1 show with the displacement of transition plane gauge head 9.And then transition plane gauge head 9 is upwards mentioned by pressing handle 61 downwards, little calibration post 31 is placed in the V-type groove of V-arrangement locating piece 24, discharge the pressing force be applied on handle 61, transition plane gauge head Compress Spring 101 elastic force moved downward and compress little calibration post 31, and the numerical value now shown by inductance electronic post 1 check and correction is the nominal diameter of little calibration post 31; Then press handle 61 downwards transition plane gauge head 9 is mentioned, large calibration post 32 is put into after taking out little calibration post 31, again discharge the pressing force be applied on handle 61, transition plane gauge head 9 Compress Spring 101 elastic force moved downward and compress large calibration post 32, the numerical value that now inductance electronic post 1 shows should be the nominal diameter of large calibration post 32, it is all allow that the numerical value of the detection diameter that general inductance electronic post 1 now shows differs within the scope of 0.5 μm with the nominal diameter calibrating greatly post 32, otherwise just needs to recalibrate inductance electronic post 1.The above-mentioned calibration process to inductance electronic post 1 is the known routine techniques in inductance electronic post field, just repeats no more in the utility model.The non-full circle short cylindrical 10 of tested asymmetric with a collection of specification can be measured after calibration, transition plane gauge head 9 is upwards mentioned by downward pressing handle 61, a non-full circle short cylindrical 10 of tested asymmetric is placed in the V-type groove of V-arrangement locating piece 24, discharge the pressing force be applied on handle 61, transition plane gauge head 9 Compress Spring 101 elastic force moved downward and compress the non-full circle short cylindrical 10 of tested asymmetric, now on inductance electronic post 1, the numerical value of display is the accurate diameter of the non-full circle short cylindrical 10 of this tested asymmetric, the non-full circle short cylindrical of next tested asymmetric is put into after taking out this tested asymmetric non-full circle short cylindrical 10, can measure the non-full circle short cylindrical of this tested asymmetric, the speed of the non-full circle short cylindrical of general measure asymmetric can control within 2 seconds, detection speed quickly, substantially increase detection efficiency, can be used for using as measuring instrument in high volume production process.When measuring the tested asymmetric non-full circle short cylindrical 10 of another batch of specification, only need changing matches V-arrangement locating piece and recalibrate inductance electronic post 1 just can measure this batch of non-full circle short cylindrical of asymmetric afterwards.
The utility model has the advantages that: (1) above-mentioned asymmetric non-full circle short cylindrical diameter instrument for quick measuring can be used for on-line checkingi under common workshop condition or line frontier inspection is surveyed, less demanding to environment for use, strong adaptability; (2) the calibrating device group of the V-arrangement locating piece 24 and corresponding coupling that in use only need change different size model can be measured the non-full circle short cylindrical of the asymmetric of multiple diameter, and can measure the non-full circle short cylindrical of the asymmetric of same specification fast after inductance electronic post is calibrated, detection speed is fast, easy to operate; (3) greatly can reduce use cost while meeting compared with high measurement accuracy and repeatable accuracy requirement, its measuring accuracy can be accurate to 1 μm, and repeatable accuracy can be accurate to 1 μm, and manufacturing cost is only 0.4% ~ 4% of three coordinate measuring machine cost.
Claims (10)
1. asymmetric non-full circle short cylindrical diameter instrument for quick measuring, comprise: inductance electronic post, detection platform and the calibrating device group matched with the non-full circle short cylindrical of tested asymmetric, it is characterized in that: calibrating device group comprises the little calibration post of cylindrical shape and the large calibration post of cylindrical shape, tested asymmetric non-full circle short cylindrical diameter is greater than little calibration column diameter and is less than calibrates greatly column diameter; Detection platform being provided with erecting frame, being provided with the locating device for non-for tested asymmetric full circle short cylindrical being carried out vertical edge-on location at the hypomere position of erecting frame; Erecting frame epimere sidewall is provided with sway brace, and sway brace is positioned at the top of locating device; The through hole of up/down perforation is provided with in sway brace, stop collar is fixedly installed in through hole, transition plane gauge head is arranged in stop collar and its lower end is stretched out outside stop collar, transition plane gauge head can move up and down in stop collar, is provided with and limits the stop means that transition plane gauge head moves up and down distance between transition plane gauge head and stop collar; Pen-type sensor is installed on sway brace by mount pad, and the output terminal of pen-type sensor is connected with the input end of inductance electronic post, is pressed on transition plane gauge head upper end after the gauge head of pen-type sensor lower end stretches into through hole; Resetting means is provided with in through hole, on the transition plane gauge head that moves can be moved downward to the lower position that stop means limits under the effect of resetting means, when the non-full circle short cylindrical of tested asymmetric is placed in locating device, transition plane gauge head lower end props up tested asymmetric non-full circle short cylindrical and points to the axle center of the non-full circle short cylindrical of tested asymmetric under the effect of resetting means; Erecting frame is also provided with lifting device transition plane gauge head upwards can mentioned.
2. according to asymmetric according to claim 1 non-full circle short cylindrical diameter instrument for quick measuring, it is characterized in that: be provided with the rest block extended to side at erecting frame hypomere, rest block lower end is shelved in detection platform, the structure of described locating device comprises: workpiece facade block and the V-arrangement locating piece matched with the non-full circle short cylindrical of tested asymmetric, workpiece facade block lower end is shelved in rest block, and its sidewall to rest on erecting frame sidewall and is fastened on erecting frame sidewall by securing member; V-arrangement locating piece lower end is shelved in detection platform, and its sidewall to be rested on rest block sidewall and is fastened on rest block sidewall by securing member.
3. according to the non-full circle short cylindrical of the asymmetric described in claim 1 or 2 diameter instrument for quick measuring, it is characterized in that: in detection platform, be also provided with the back-up block supporting erecting frame.
4. according to asymmetric according to claim 1 non-full circle short cylindrical diameter instrument for quick measuring, it is characterized in that: the structure of described stop means is: be provided with the vertical elongate slots be inwardly recessed at the sidewall of transition plane gauge head, lock-screw is through stretching in elongate slots after the first through hole of stop collar sidewall; When lock-screw contacts with the upper surface of elongate slots, transition plane gauge head is positioned at the lower position that stop means limits; When lock-screw contacts with the lower surface of elongate slots, transition plane gauge head is positioned at the upper limit position that stop means limits.
5. according to the asymmetric non-full circle short cylindrical diameter instrument for quick measuring described in claim 1,2 or 4, it is characterized in that: described resetting means is: the sidewall of transition plane gauge head is provided with outwardly bulge loop, Compress Spring is arranged with between the bulge loop and mount pad of transition plane gauge head, the two ends of Compress Spring are resisted against on bulge loop and mount pad respectively, and under the effect of Compress Spring, transition plane gauge head moves to the lower position that stop means limits.
6. according to asymmetric according to claim 5 non-full circle short cylindrical diameter instrument for quick measuring, it is characterized in that: stop collar endoporus epimere be provided with for bulge loop move up and down shelve hole, shelve to be formed between hole and stop collar endoporus and shelve face, when transition plane gauge head is in the lower position that the moved downward of Compress Spring limits to stop means, bulge loop can be shelved on the face of shelving.
7. according to the asymmetric non-full circle short cylindrical diameter instrument for quick measuring described in claim 1,2 or 4, it is characterized in that: the structure of described lifting device is: on erecting frame, be provided with fixed block, handle is laterally hinged with on fixed block and the relative pin joint of handle capable of being swings up and down, transition plane gauge head bottom being provided with the through cross through hole in left and right, being connected to the driving stem of handle right-hand member through stretching in cross through hole after the second through hole of stop collar sidewall; Downward pressing handle left end can make driving stem be upturned, thus is upwards mentioned by transition plane gauge head.
8. according to claim 1, asymmetric described in 2 or 4 non-full circle short cylindrical diameter instrument for quick measuring, it is characterized in that: described sway brace is made up of upper sway brace and lower support arm, upper sway brace is provided with the upper through hole of up/down perforation, lower support arm is provided with the lower through hole of up/down perforation, upper through hole and lower through hole are formed through a through hole mutually, stop collar epimere is provided with outwardly positioning convex ring, the accommodation hole holding positioning convex ring is provided with at upper through hole hypomere or lower through hole epimere, stop collar lower end is stretched out outside through hole, be provided with external thread section stretching out on the stop collar sidewall outside through hole, round nut and external thread section screw, thus stop collar is locked in lower support arm.
9. according to asymmetric according to claim 1 non-full circle short cylindrical diameter instrument for quick measuring, it is characterized in that: transition plane gauge head upper end is provided with hole recessed down, be pressed on baseplane, hole after the gauge head of pen-type sensor lower end stretches into hole; When transition plane gauge head is positioned at lower position, the gauge head pre compressed magnitude be pressed on baseplane, hole of pen-type sensor lower end is 10 μm ~ 50 μm.
10. according to asymmetric according to claim 1 non-full circle short cylindrical diameter instrument for quick measuring, it is characterized in that: on mount pad, be provided with installation sleeve, the gauge head of pen-type sensor lower end is pressed on transition plane gauge head upper end through after installation sleeve and through hole; Installation sleeve sidewall is along the circumferential direction evenly provided with the bar shaped notch of some upper end open, the fastening block of U-shape is folded on installation sleeve, two clamp arms of the fastening block of U-shape are provided with the clamping screw of control two clamp arm clamping installation sleeve degree, and pen-type sensor is locked in installation sleeve by clamping screw.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520267426.3U CN204881504U (en) | 2015-04-29 | 2015-04-29 | Short circle column diameter rapid survey appearance of whole circle of asymmetric non - |
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| CN201520267426.3U CN204881504U (en) | 2015-04-29 | 2015-04-29 | Short circle column diameter rapid survey appearance of whole circle of asymmetric non - |
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| CN204881504U true CN204881504U (en) | 2015-12-16 |
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| CN201520267426.3U Withdrawn - After Issue CN204881504U (en) | 2015-04-29 | 2015-04-29 | Short circle column diameter rapid survey appearance of whole circle of asymmetric non - |
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| Country | Link |
|---|---|
| CN (1) | CN204881504U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091727A (en) * | 2015-04-29 | 2015-11-25 | 张家港海太精密量仪科技有限公司 | Asymmetric open-circle short cylinder diameter rapid measuring instrument |
| CN105823455A (en) * | 2016-05-09 | 2016-08-03 | 湖北钱潮精密件有限公司 | Roller pin and roller diameter detector |
-
2015
- 2015-04-29 CN CN201520267426.3U patent/CN204881504U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091727A (en) * | 2015-04-29 | 2015-11-25 | 张家港海太精密量仪科技有限公司 | Asymmetric open-circle short cylinder diameter rapid measuring instrument |
| CN105091727B (en) * | 2015-04-29 | 2018-01-05 | 张家港海太精密量仪科技有限公司 | The non-full circle short cylindrical diameter instrument for quick measuring of asymmetric |
| CN105823455A (en) * | 2016-05-09 | 2016-08-03 | 湖北钱潮精密件有限公司 | Roller pin and roller diameter detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151216 Effective date of abandoning: 20180105 |