CN104457668A - Portable axle diameter measuring instrument - Google Patents
Portable axle diameter measuring instrument Download PDFInfo
- Publication number
- CN104457668A CN104457668A CN201410735484.4A CN201410735484A CN104457668A CN 104457668 A CN104457668 A CN 104457668A CN 201410735484 A CN201410735484 A CN 201410735484A CN 104457668 A CN104457668 A CN 104457668A
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- measuring
- shaft
- mount pad
- measuring sensor
- dial plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A portable axle diameter measuring instrument comprises a measuring base, measuring element components, a clamping arm component, an angle table and a data processor; the measuring base is a V-shaped iron support, two measuring element components are arranged, and each measuring element component comprises a high-precision measuring element and a measuring element mounting base; the measuring element mounting bases are cylinders with hollow inner holes, and outer portions of measuring rods of the high-precision measuring elements are sleeved with opening copper sleeves and then are placed on measuring rod positioning sleeves of bottoms of mounting base inner holes; the first measuring element mounting base for measuring the axle diameter is arranged on the top of the V-type iron support, and the measuring element mounting base for measuring a dustproof plate is arranged at the end of the V-shaped iron support; the clamping arm component serving as an auxiliary supporting frame comprises a clamping shaft mounting base, a clamping arm and a roller at the tail end of the clamping arm; the angle table is provided with an approach switch, and the data processor is electrically connected with the output ends of the high-precision measuring elements and the angle table; the portable axle diameter measuring instrument is small in size, convenient to carry, high in precision and easy to operate.
Description
Technical field
The present invention relates to a kind of axle diameters survey instrument, particularly a kind of portable axletree shaft-diameter measuring instrument.
Background technology
In railway working site, especially in car inspection and repair, for the bearing that makes wheel right with axletree installation process in can reach precision-fit requirement, need to carry out Measurement accuracy to the bearing be arranged on car wheel-set, the diameter of axle, to carry out apolegamy work, what obtain the best press-fits effect.At general overhaul factory, there is advanced main equipment to measure the bearing diameter of axle, this surveying instrument, the diameter in three cross sections can be measured simultaneously and automatically locate, but expensive.In little locomotive depot or little station, generally adopting the artificial mode using outside micrometer to measure at present, there is more drawback in this metering system, and one is that accuracy of measurement is subject to the impact of operator's skill level; Two is that worker easily simplifies operation, not according to the requirement in " railway freight car wheel assembles the regulation of inspection and repair to rolling bearing ", carry out I, II two sections and I, II two sections to be uniformly distributed three orientation measurements and to get arithmetic mean and carry out Journal Diameter Measuring, cause journal diameter data out of true, the assembling magnitude of interference affecting bearing inner race and axle journal is matched, thus occurs bearing press mounting curve defective and do over again or occur the situations such as bolts at axle end fractures, bearing inner race rotation in using; Three is that filling in of record easily occurs mistake, leaks item, correction; Four is that inefficiency, labour intensity are large.
Summary of the invention
The object of this invention is to provide a kind of portable axletree shaft-diameter measuring instrument, this measuring instrument volume is little, is convenient for carrying, precision is high, simple to operate, and automatically can carry out data acquisition and data processing, for providing reliable repair apparatus in locomotive depot or the car inspection and repair of little station; Solve the above-mentioned weak point of locomotive depot or little station measurement axle diameters preferably.
For solving the problem, the technical solution used in the present invention is: a kind of portable axletree shaft-diameter measuring instrument, comprises measuring seat, measuring sensor assembly, clamping arm component, angle measuring gauge and data processor;
Described measuring seat is v block support, and the back up pad for dead axle is arranged on v block support both wings;
Described measuring sensor assembly has 2 groups, and often organize measuring sensor assembly and comprise high-acruracy survey element and measuring sensor mount pad, described measuring sensor mount pad is the right cylinder with hollow endoporus, and sounding rod locating sleeve is arranged on bottom measuring sensor mount pad endoporus; The sounding rod outer cover upper shed copper sheathing of high-acruracy survey element is placed on the sounding rod locating sleeve in measuring sensor mount pad endoporus, the special spring of high-acruracy survey element is promoted probe one end and is connected with data processor by spring close contact, the other end with the sounding rod of high-acruracy survey element, and the other end of sounding rod is the probe of displacement transducer; Measuring sensor mount pad I for the high-acruracy survey element I installing and measuring the axletree diameter of axle is arranged on v block cradle top, and the measuring sensor mount pad II for the high-acruracy survey element II installing and measuring dust guard seat diameter is arranged on v block support port;
Described clamping arm component comprises clamp shaft mount pad, clamp shaft, cam, handlebar, clamp arm and roller; Described clamp shaft mount pad is arranged on measuring seat, and clamp shaft is arranged in clamp shaft mount pad, and cam is connected with clamp shaft by bearing pin, and handlebar is fixed on cam, and roller is arranged on clamp arm end; By handlebar rotating cam, drive clamp shaft to move up and down, thus drive clamp arm to move up and down, finally drive roller to move up and down or horizontal hunting or locking;
Described angle measuring gauge is the angle measuring gauge with proximity switch;
Described data processor comprises central processing unit, and the input of its data, output terminal are connected with the output terminal of the high-acruracy survey element of each measuring sensor assembly, and its data processor input end is also connected with the proximity switch signal output part of angle measuring gauge respectively.
Its further technical scheme is: the described angle measuring gauge with proximity switch comprises pointer, angle scale, dial plate and gauge stand, described dial plate is a cylinder, there is the boss installing rotating shaft at center, centered by described gauge stand, there is the disk of boss on two sides, boss has the stepped appearance through hole run through, the cylinder of gauge stand and dial plate connects and composes a framework, rotating shaft is positioned at the inside of framework, one end is connected with dial plate perpendicular to dial plate, the other end stretches into the boss of gauge stand, tightened by bolt, back shaft is fixed on from dial plate rotating shaft nearby, itself and dial plate surface of contact are provided with wave spring washer, the fork that lower end is fixed with pendulum is fixed in rotating shaft near gauge stand side, angle scale is fixed on the outside of dial plate, pointer is fixed on outside angle scale, scale on described angle scale from horizontal direction by indicating 30 ° respectively counterclockwise, 90 °, 120 °, the scale of 150 °, proximity switch is fixed on gauge stand, its position respectively with the scale 30 ° on angle scale, 90 °, 120 °, the position of 150 ° is corresponding, when the spindle is rotated, the fork be fixed in rotating shaft is corresponding with proximity switch respectively, simultaneously, signal is sent respectively to central processing unit by the proximity switch of correspondence.
This measuring instrument also comprises two handles, is arranged on the both sides of measuring seat respectively.
Owing to taking above technical scheme, the portable axletree shaft-diameter measuring instrument of the present invention has following characteristics and beneficial effect:
1, the portable axletree shaft-diameter measuring instrument of the present invention adopts 0.2 micron order high accuracy displacement sensor as measuring sensor, and measuring accuracy is high, and measuring accuracy reaches a μm level, and measurement diameter tolerance is 0.027mm.
2, the portable axletree shaft-diameter measuring instrument of the present invention puts into the measuring sensor mount pad that sounding rod locating sleeve is arranged at bottom after adopting and brass bushing being enclosed within high-acruracy survey member outboard again; high-acruracy survey element is subject to the double shielding of measuring sensor mount pad and brass bushing; any infringement can not be subject to; simultaneously; with sounding rod locating sleeve fixation measuring bar; make tested surface unshift, meet the detection validity of high-precision sensor, ensure the accuracy of measurement data.
3, the portable axletree shaft-diameter measuring instrument of the present invention adopts clamping arm component as auxiliary support frame, and form three stress points with v block support assorted, fit angle table rotates, and guarantees the work of measuring instrument safety and stability; Adopt v block support as measurement support, v block is used to measure diameter principle, tested vechicle shaft diameter D and measuring sensor measuring surface are promoted to pop one's head in special spring the distance △ h linear (see Fig. 7) of output terminal, zero-bit is calibrated by standard round, use the method for relative measurement, guarantee the accuracy of measurement data.
4, angle measuring gauge utilizes gravity to carry out anglec of rotation design, when angle measuring gauge rotates with portable axletree shaft-diameter measuring instrument, the fork 99 that lower end is fixed with pendulum 910 is motionless, when 30 ° that pointed angle scale is carved with, 90 °, 120 °, during a certain anglec of rotation of 150 °, fork 99 is by the proximity switch 951 corresponding with on gauge stand 913, 952, 953, one of 954-correspondence, proximity switch passes the number of writing to, the diameter of axle diameters or dust excluding plate when this angle measured immediately by measuring sensor, by measuring the data of above-mentioned several angle, namely the needs of diameter measurement code can be met, namely require that the diameter of axle will measure the diameter in three regulation cross sections, measure once for each turn 120 °, survey three times altogether, dust excluding plate will measure twice, namely often turns 90 ° of needs measured once.
5, the portable axletree shaft-diameter measuring instrument compact of the present invention, is easy to carry, and is applicable to medium sized vehicle section, wheel shop or outdoor repairing and uses, easy to operate.
Below, in conjunction with the accompanying drawings and embodiments the technical characteristic of the portable axletree shaft-diameter measuring instrument of the present invention is further described.
Accompanying drawing explanation
Fig. 1 ~ Fig. 3 is the one-piece construction schematic diagram of the portable axletree shaft-diameter measuring instrument of the present invention:
Fig. 1: front view, Fig. 2: side view, Fig. 3: vertical view;
Fig. 4 is angle measuring gauge one-piece construction schematic diagram (front view);
The A-A direction view (proximity switch distribution schematic diagram) of Fig. 5: Fig. 4;
Fig. 6: angle scale structural representation;
Fig. 7: the portable axletree shaft-diameter measuring instrument measurement diameter schematic diagram being the present invention;
Fig. 8: the proximity switch electrical connection schematic diagram of data processor and high-acruracy survey element and angle measuring gauge.
In figure:
1-measuring seat, 2-measuring sensor mount pad I, 3-opening copper sheathing, 4-high-acruracy survey element, the special spring of 4a-high-acruracy survey element I, 4b-high-acruracy survey element II, 401-promotes probe, 402-sounding rod, 5-sounding rod locating sleeve, 6-back up pad, 7-handlebar, 8-cam, 9-angle measuring gauge, 10-handle ball;
11-bearing pin, 12,25,27-A profile shaft spring collar, 13-clamp shaft, 14 clamp shaft mount pads, 15-16-guide and limit cover, 18-clamp arm; 19,22-hexagonal nut, 20-locating shaft, 21-key, 23-plain washer, 24-roller supporting axle, 26-bearing, 28-roller, 29,36,39,43-hexagon socket cap head screw, 30-spring base, 31-adjusting screw;
32-measuring sensor mount pad II, 33,34,35-spring, 37-Handle mount I, 38,45,47-crossed countersunk head screw, 40-handle, 41-Handle mount II, 42-milled screw, 44-fillister head screw, 46-shaft shoulder guide plate;
91-pointer, 92-angle scale, 93-dial plate, 94-cross recessed countersunk head sscrew; 95,951,952,953,954-proximity switch, 97-wave spring washer, 98-back shaft, 99-fork, 910-pendulum, 912-axle sleeve, 913-gauge stand, 914-adjusts screw, 915-rotating shaft, 96,916-Cross Recess Head Screw.
Embodiment
A kind of portable axletree shaft-diameter measuring instrument, this portable axletree shaft-diameter measuring instrument comprises measuring seat 1, measuring sensor assembly, clamping arm component, angle measuring gauge and data processor;
As shown in FIG. 1 to 3, described measuring seat 1 is v block support, and the back up pad 6 for dead axle is arranged on v block support both wings;
Described measuring sensor assembly has 2 groups, and often organize measuring sensor assembly and comprise high-acruracy survey element and measuring sensor mount pad, described measuring sensor mount pad is the right cylinder with hollow endoporus, and sounding rod locating sleeve 5 is arranged on bottom measuring sensor mount pad endoporus; The sounding rod 402 outer cover upper shed copper sheathing 3 of high-acruracy survey element 4 is placed on the sounding rod locating sleeve 5 in measuring sensor mount pad endoporus, the special spring of high-acruracy survey element is promoted probe 401 one end and is connected with data processor by spring close contact, the other end with the sounding rod 402 of high-acruracy survey element, and the other end of sounding rod 402 is the probe of displacement transducer; Measuring sensor mount pad I 2 for high-acruracy survey element I 4a installing and measuring axle diameters is arranged on v block cradle top (see Fig. 1), and the measuring sensor mount pad II 32 for high-acruracy survey element II 4b installing and measuring dust excluding plate is arranged on v block support port (see Fig. 3);
Described clamping arm component comprises clamp shaft mount pad 14, clamp shaft 13, cam 8, handlebar 7, clamp arm 18 and roller; Described clamp shaft mount pad 14 is arranged on measuring seat 1, clamp shaft 13 is arranged in clamp shaft mount pad 14, cam 8 is connected with clamp shaft 13 by bearing pin, handlebar 7 is fixing on the cams 8, roller 28 is arranged on clamp arm 18 end by roller supporting axle 24, spring base 30, screw, and in spring base 30 center pit, installation sleeve has spring 33,34 and locating shaft 20 in turn; Installation elasticity and the precision (see Fig. 1, Fig. 2) of roller 28 can be regulated by adjusting screw 31 and key 21;
By handlebar 7 rotating cam 8, drive clamp shaft 13 to move up and down, thus drive clamp arm 18 to move up and down, finally drive roller to move up and down or horizontal hunting or locking (see Fig. 1); The size of clamping force can adjust adjusting screw 31, changes spring pressure and realizes.
Described angle measuring gauge is the angle measuring gauge 9 with proximity switch; As shown in Fig. 4 ~ Fig. 6, the described angle measuring gauge 9 with proximity switch comprises pointer 91, angle scale 92, dial plate 93 and gauge stand 913, described dial plate 93 is a cylinder, there is the boss installing rotating shaft 915 at center, centered by described gauge stand 913, there is the disk of boss on two sides, boss has the stepped appearance through hole run through, gauge stand 913 connects and composes a framework with the cylinder of dial plate; Rotating shaft 915 is positioned at the inside of framework, one end is connected with dial plate 93 perpendicular to dial plate, the other end stretch into gauge stand 913 boss, tightened by bolt, back shaft 98 be fixed on from dial plate 93 rotating shaft 915 nearby, itself and dial plate surface of contact be provided with wave spring washer 97, twisting adjustment screw 14 can regulate the elastic force of wave spring washer, the pivoting friction resistance of increase and decrease rotating shaft 15, prevents it from swinging back and forth; The fork 99 that lower end is fixed with pendulum 910 is fixed near gauge stand 913 side in rotating shaft 915, and described rotating shaft 915 is respectively arranged with axle sleeve 912 with gauge stand 913, dial plate 93 boss junction; Angle scale 92 is fixed on the outside of dial plate 93, and pointer 91 is fixed on outside angle scale 92, and the center of angle scale 92 is consistent with the shaft core position of rotating shaft 915; Scale on described angle scale 92 from horizontal direction by the scale indicating counterclockwise 30 °, 90 °, 120 °, 150 ° respectively, proximity switch 951,952,953,954 is fixed on gauge stand 913, its position is corresponding with the scale 30 ° on angle scale 92, the position of 90 °, 120 °, 150 ° respectively, when the spindle is rotated, be fixed on fork 99 in rotating shaft 915 respectively with proximity switch 951,952,953,954 corresponding, meanwhile, signal is sent by the proximity switch 951,952,953,954 of correspondence respectively to central processing unit.
Described data processor comprises central processing unit, display module and input, output interface module (I/O module), input, the output terminal of its I/O module are connected with the output terminal of the high-acruracy survey element of each measuring sensor assembly, the input end of its I/O module is also connected with the proximity switch signal output part of angle measuring gauge respectively, can prevent undetected and flase drop by delay confirmation signal designation.
The portable axletree shaft-diameter measuring instrument of the present invention measures diameter of axle diameter principle as shown in Figure 7, adopt v block support as measurement auxiliary stand, v block is used to measure diameter principle, tested vechicle shaft diameter D and measuring sensor measuring surface are promoted to pop one's head in special spring the distance △ h linear (see Fig. 7) of output terminal, zero-bit is calibrated by standard round, use the method for relative measurement, guarantee the accuracy of measurement data; In Fig. 7, D is axle diameters, and △ h is that high-acruracy survey element measuring surface promotes the distance of probe to special spring.
In the present invention, the data processing of described data processor and the computing method of data utilize prior art, repeats no more herein.
Measuring instrument of the present invention also comprises two handles 40, is arranged on the both sides of measuring seat 1 by Handle mount I 37, Handle mount II 41 respectively.
The portable axletree shaft-diameter measuring instrument of the present invention can measure D type axletree and the shaft shoulder (dust excluding plate) thereof that the axletree diameter of axle is 130cm and the axletree diameter of axle is 150cmE type axletree and the shaft shoulder (dust excluding plate) thereof, the measuring instrument basic structure measuring two kinds of different size model axletrees is identical, just v block support size, clamping arm component, supporting screw, nut, pad equidimension difference.
Claims (3)
1. a portable axletree shaft-diameter measuring instrument, is characterized in that: this portable axletree shaft-diameter measuring instrument comprises measuring seat, measuring sensor assembly, clamping arm component, angle measuring gauge and data processor;
Described measuring seat (1) is v block support, and the back up pad (6) for dead axle is arranged on v block support both wings;
Described measuring sensor assembly has 2 groups, often organize measuring sensor assembly and comprise high-acruracy survey element and measuring sensor mount pad, described measuring sensor mount pad is the right cylinder with hollow endoporus, and sounding rod locating sleeve (5) is arranged on bottom measuring sensor mount pad endoporus; Sounding rod (402) outer cover upper shed copper sheathing (3) of high-acruracy survey element is placed on the sounding rod locating sleeve (5) in measuring sensor mount pad endoporus, the special spring of high-acruracy survey element is promoted probe (401) one end and is connected with data processor by spring close contact, the other end with the sounding rod (402) of high-acruracy survey element, and the other end of sounding rod (402) is the probe of displacement transducer; Measuring sensor mount pad I (2) for the high-acruracy survey element I (4a) installing and measuring the axletree diameter of axle is arranged on v block cradle top, and the measuring sensor mount pad II (32) for the high-acruracy survey element II (4b) installing and measuring dust guard seat diameter is arranged on v block support port;
Described clamping arm component comprises clamp shaft mount pad (14), clamp shaft (13), cam (8), handlebar (7), clamp arm (18) and roller (28); Described clamp shaft mount pad (14) is arranged on measuring seat (1), clamp shaft (13) is arranged in clamp shaft mount pad (14), cam (8) is connected with clamp shaft (13) by bearing pin, handlebar (7) is fixed on cam (8), and roller (28) is arranged on clamp arm (18) end; By handlebar (7) rotating cam (8), drive clamp shaft (13) to move up and down, thus drive clamp arm (18) to move up and down, finally drive roller to move up and down or horizontal hunting or locking;
Described angle measuring gauge is the angle measuring gauge (9) with proximity switch;
Described data processor comprises central processing unit, and the input of its data, output terminal are connected with the output terminal of the high-acruracy survey element of each measuring sensor assembly, and its data processor input end is also connected with the proximity switch signal output part of angle measuring gauge respectively.
2. portable axletree shaft-diameter measuring instrument according to claim 1, it is characterized in that: the described angle measuring gauge with proximity switch comprises pointer (91), angle scale (92), dial plate (93) and gauge stand (913), described dial plate (93) is a cylinder, there is the boss of installation rotating shaft (915) at center, centered by described gauge stand (913), there is the disk of boss on two sides, boss has the stepped appearance through hole run through, gauge stand (913) connects and composes a framework with the cylinder of dial plate, rotating shaft (915) is positioned at the inside of framework, one end is connected with dial plate (93) perpendicular to dial plate, and the other end stretches into the boss of gauge stand (913), tightened by bolt, back shaft (98) is fixed on from dial plate (93) rotating shaft nearby (915), itself and dial plate surface of contact are provided with wave spring washer (97), the fork (99) that lower end is fixed with pendulum (910) is fixed on upper close gauge stand (913) side of rotating shaft (915), angle scale (92) is fixed on the outside of dial plate (93), pointer (91) be fixed on angle scale (92) outside, the scale on described angle scale (92) from horizontal direction by indicating 30 ° respectively counterclockwise, 90 °, 120 °, the scale of 150 °, proximity switch (951, 952, 953, 954) be fixed on gauge stand (913), its position respectively with the scale 30 ° on angle scale (92), 90 °, 120 °, the position of 150 ° is corresponding, when the spindle is rotated, be fixed on fork (99) in rotating shaft (915) respectively with proximity switch (951, 952, 953, 954) corresponding, meanwhile, by the proximity switch (951 of correspondence, 952, 953, 954) signal is sent respectively to central processing unit.
3. portable axletree shaft-diameter measuring instrument according to claim 1, is characterized in that: this measuring instrument also comprises two handles (40), is arranged on the both sides of measuring seat (1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410735484.4A CN104457668B (en) | 2014-12-05 | 2014-12-05 | Portable axletree shaft-diameter measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410735484.4A CN104457668B (en) | 2014-12-05 | 2014-12-05 | Portable axletree shaft-diameter measuring instrument |
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| Publication Number | Publication Date |
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| CN104457668A true CN104457668A (en) | 2015-03-25 |
| CN104457668B CN104457668B (en) | 2017-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410735484.4A Active CN104457668B (en) | 2014-12-05 | 2014-12-05 | Portable axletree shaft-diameter measuring instrument |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123743A (en) * | 2016-06-08 | 2016-11-16 | 无锡职业技术学院 | The detection device of a kind of cylinder outside diameter, system and method |
| CN106185172A (en) * | 2015-05-07 | 2016-12-07 | 苏州塞维拉上吴电梯轨道系统有限公司 | A kind of T-shaped guide rail feeding clamping device |
| CN106500567A (en) * | 2016-10-31 | 2017-03-15 | 陈键 | A kind of electric power system tests chuck special with cable diameter error |
| CN108981635A (en) * | 2018-05-30 | 2018-12-11 | 朱承启 | Portable axle shaft-diameter measuring instrument |
| CN111390530A (en) * | 2020-04-15 | 2020-07-10 | 河北京车轨道交通车辆装备有限公司 | Press mounting method for bearing of wheel axle box of railway vehicle |
| CN113910024A (en) * | 2021-10-27 | 2022-01-11 | 一汽解放汽车有限公司 | Method for adjusting swing range of active measuring instrument and grinding machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020113912A1 (en) * | 2020-04-15 | 2021-10-21 | Liebherr-Components Biberach Gmbh | Measuring device for rope diameter measurement |
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| EP0554920A2 (en) * | 1989-05-02 | 1993-08-11 | Eaton Leonard, Inc. | Optical probe |
| CN2503452Y (en) * | 2001-09-21 | 2002-07-31 | 天津钢管有限责任公司 | Adjustable steel pipe roundness and external caliper |
| CN2656939Y (en) * | 2003-07-23 | 2004-11-17 | 上海航天卫星应用有限公司 | Portable axle diameter measuring device |
| CN201193942Y (en) * | 2008-04-17 | 2009-02-11 | 程钢 | Cylinder measuring apparatus |
| CN202083318U (en) * | 2011-04-28 | 2011-12-21 | 包连新 | Portable measurer for wheel diameter of locomotive |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0554920A2 (en) * | 1989-05-02 | 1993-08-11 | Eaton Leonard, Inc. | Optical probe |
| CN2503452Y (en) * | 2001-09-21 | 2002-07-31 | 天津钢管有限责任公司 | Adjustable steel pipe roundness and external caliper |
| CN2656939Y (en) * | 2003-07-23 | 2004-11-17 | 上海航天卫星应用有限公司 | Portable axle diameter measuring device |
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| CN202083318U (en) * | 2011-04-28 | 2011-12-21 | 包连新 | Portable measurer for wheel diameter of locomotive |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185172A (en) * | 2015-05-07 | 2016-12-07 | 苏州塞维拉上吴电梯轨道系统有限公司 | A kind of T-shaped guide rail feeding clamping device |
| CN106123743A (en) * | 2016-06-08 | 2016-11-16 | 无锡职业技术学院 | The detection device of a kind of cylinder outside diameter, system and method |
| CN106500567A (en) * | 2016-10-31 | 2017-03-15 | 陈键 | A kind of electric power system tests chuck special with cable diameter error |
| CN106500567B (en) * | 2016-10-31 | 2019-01-22 | 冯如意 | A kind of power supply system cable diameter error test chuck special |
| CN108981635A (en) * | 2018-05-30 | 2018-12-11 | 朱承启 | Portable axle shaft-diameter measuring instrument |
| CN111390530A (en) * | 2020-04-15 | 2020-07-10 | 河北京车轨道交通车辆装备有限公司 | Press mounting method for bearing of wheel axle box of railway vehicle |
| CN113910024A (en) * | 2021-10-27 | 2022-01-11 | 一汽解放汽车有限公司 | Method for adjusting swing range of active measuring instrument and grinding machine |
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| Publication number | Publication date |
|---|---|
| CN104457668B (en) | 2017-06-13 |
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