CN104154841A - Universal paired bearing load projection measuring instrument - Google Patents
Universal paired bearing load projection measuring instrument Download PDFInfo
- Publication number
- CN104154841A CN104154841A CN201410413759.2A CN201410413759A CN104154841A CN 104154841 A CN104154841 A CN 104154841A CN 201410413759 A CN201410413759 A CN 201410413759A CN 104154841 A CN104154841 A CN 104154841A
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- bearing
- instrument
- center
- measuring instrument
- thick stick
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Abstract
The invention relates to a universal paired bearing load projection measuring instrument. Two ends of a bottom plate are fixedly connected to the lower ends of two side plates respectively. The upper ends of the two side plates are fixedly connected to two ends of a cross beam. A measuring seat is fixed and installed on the bottom plate. A loading cylinder installed in the measuring seat. The cylinder bottom of the loading cylinder is connected to a pressure sensor which is supported on the bottom plate. The piston rod end of the loading cylinder is vertically upward connected to a guide rod. A bearing bottom seat is placed on the guide rod. A core is arranged just above the bearing bottom seat and is fixedly installed on an instrument sleeve through an outer ring positioning block. The core can move axially in the outer ring positioning block and can not go out. The instrument sleeve is fixed on the cross beam. A displacement measuring instrument is mounted on the instrument sleeve, and the measuring head of the displacement measuring instrument is connected to the core. The inner diameter of the lower port of the center hole of the outer ring positioning block is larger than the outer diameter of the inner ring of a measured bearing and is smaller than the outer diameter of the outer ring of the measured bearing. The universal paired bearing load projection measuring instrument has the advantages of simple structure, convenient use, low cost, high measuring accuracy, and high reliability.
Description
Technical field
The present invention relates to a kind of measuring instrument, specifically a kind of omnipotent pairing bearing has load measuring instrument for projection, belongs to the technical field of measuring frock.
Background technology
Bearing is in the time running up, the steel ball of bearing inside must carry out with Internal and external cycle under the state contacting, if there is contactless state between steel ball and Internal and external cycle, under bearing runs up state, between steel ball and raceway, will produce sliding friction, temperature rise meeting aggravation raises, and speed does not increase, and bearing easily burns out, therefore high-speed bearing, especially angular contact bearing, all can add bearing pre-fastening in use, makes bearing under the state of running up, can keep steel ball and inner ring raceway not to depart from.But there is following problems in it: if pretightning force is excessive, the elastic deformation that steel ball forms between Internal and external cycle will be excessive, and hertz area of a circle is larger, and thermal value increases thereupon, and the speed of bearing does not increase yet, and serviceable life is short.
So general method with reserved bulge quantity of bearing industry.As shown in Figure 1, respectively apply the axial force F of an opposite direction on bearing inner race and bearing outer ring end face, in the time that axial force F is 0, measure bearing upper surface, the difference in height of upper surface, outer ring and inner ring upper surface is b; Measure bearing lower surface, the difference in height of lower surface, outer ring and inner ring lower surface is f, b and f be illustrated respectively in axial force F effect lower bearing two ends bulge quantity (in figure, b be on the occasion of, f is negative value).As shown in Figure 2, when axial force F is N(N ≠ 0) time, measure bearing upper surface, the difference in height of upper surface, outer ring and inner ring upper surface is b
1; Measure bearing lower surface, the difference in height of lower surface, outer ring and inner ring lower surface is f
1.For omnipotent pairing bearing, bearing industry requires in the time that N is no more than certain numerical value, f1=b
1=0.But up to the present, also there is no such special measurement equipment both at home and abroad.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of omnipotent pairing bearing to have load measuring instrument for projection, it is simple in structure, easy to use, with low cost, measuring accuracy is high, and reliability is high.
According to technical scheme provided by the invention: omnipotent pairing bearing has load measuring instrument for projection, it is characterized in that: comprise base plate, side plate, bearing base, outer ring locating piece, center, crossbeam, instrument cover, displacement measuring instrument, lead thick stick, add carrier gas cylinder, measuring seat and pressure transducer, the two ends of described base plate are fixedly connected with the lower end of two blocks of side plates respectively, and the upper end of two blocks of side plates is fixedly connected with the two ends of crossbeam; Described measuring seat is fixedly placed on base plate, described in add carrier gas cylinder and be arranged in measuring seat, add the cylinder base Bonding pressure sensor of carrier gas cylinder, pressure transducer bottom support is on base plate, the tailpiece of the piston rod that adds carrier gas cylinder connects straight up leads thick stick; Described bearing base is placed on leads on thick stick, above bearing base for placing measured bearing; Described center is arranged on directly over bearing base, and center is fixedly mounted on instrument by outer ring locating piece and puts, and center can enclose outside and in locating piece, moves axially but cannot deviate from; Instrument cover is fixed on crossbeam, and displacement measuring instrument is arranged on instrument and puts, and the gauge head of displacement measuring instrument is connected with center, and the lower port internal diameter of outer ring locating piece center pit is greater than the inner ring external diameter of measured bearing and is less than the outer ring external diameter of measured bearing.
As a further improvement on the present invention, described center is fixedly mounted on instrument by outer ring locating piece and puts, and center can enclose outside and in locating piece, moves axially but cannot deviate from;
As a further improvement on the present invention, described in to lead thick stick be T shape, leading thick stick bottom is axis body, axis body center is provided with center pit, described in add carrier gas cylinder piston rod be upwards plugged in center pit, axis body is assemblied in measuring seat by guide pin bushing.
As a further improvement on the present invention, described in lead on thick stick and be provided with register pin, register pin upper end exceeds leads thick stick end face, bearing base is positioned over leads on thick stick, bearing base bottom is provided with pilot hole, pilot hole coordinates with register pin, to prevent the movement of bearing base sideslip.
As a further improvement on the present invention, described measuring seat upper periphery is provided with boss, is arranged with multiple circumferentially uniform L shaped pressing plates outward at measuring seat, and boss is pushed down in L shaped pressing plate one end, and the L shaped pressing plate other end is screwed on base plate.
As a further improvement on the present invention, on described L shaped pressing plate, be long kidney-shaped hole for the screw mounting hole of mounting screw.
As a further improvement on the present invention, described instrument Tao center is provided with mounting hole, and described center top is slidedly assemblied in by orienting sleeve in the latter half of mounting hole; In the first half of described mounting hole, be provided with fixed cover, fixed cover is fixedly connected with instrument cover, and the spring that is compressive state is installed in fixed cover, and described spring upper end is connected and fixed cover, and spring lower end connects center.
As a further improvement on the present invention, described instrument puts and is provided with instrument installation through hole, and described displacement measuring instrument adopts micron table, and the gauge rod that micron is shown is plugged in instrument downwards and installs in through hole, and a gauge head for micron table contacts with the top surface of center.
compared with prior art, tool has the following advantages in the present invention:this simple in structure, easy to use, and the protrusion measuring precision that can accurately measure bearing is high, and reliability is high, with low cost.
Brief description of the drawings
Fig. 1 is one of the reserved bulge quantity schematic diagram of bearing (axial force F=0).
Fig. 2 is two (axial force F=N ≠ 0) of the reserved bulge quantity schematic diagram of bearing.
Fig. 3 is the structural representation of the embodiment of the present invention.
Fig. 4 is the left view of Fig. 3.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in the figure, the omnipotent pairing bearing in embodiment by load measuring instrument for projection mainly by base plate 1, side plate 2, bearing base 3, outer ring locating piece 5, center 6, crossbeam 7, instrument cover 8, displacement measuring instrument 9, register pin 10, lead thick stick 11, guide pin bushing 12, add carrier gas cylinder 13, measuring seat 14, contiguous block 15, pressure transducer 16, L shaped pressing plate 17, orienting sleeve 18, spring 19 and fixed cover 20 etc. form.
As shown in Figure 3, Figure 4, the two ends of described base plate 1 are fixedly connected with the lower end of two blocks of side plates 2 respectively, and the upper end of two blocks of side plates 2 is fixedly connected with the two ends of crossbeam 7; Described measuring seat 14 is fixedly placed on base plate 1, the described carrier gas cylinder 13 that adds is arranged in measuring seat 14, add the cylinder base of carrier gas cylinder 13 by contiguous block 15 Bonding pressure sensors 16, pressure transducer 16 bottom supports are on base plate 1, and the tailpiece of the piston rod that adds carrier gas cylinder 13 connects straight up leads thick stick 11; Described bearing base 3 is placed on leads on thick stick 11, and bearing base 3 is above for placing measured bearing 4; Described center 6 is arranged on directly over bearing base 3, and center 6 is fixedly mounted on instrument cover 8 by outer ring locating piece 5, and center 6 can enclose outside and in locating piece 5, moves axially but cannot deviate from; Instrument cover 8 is fixed by screws on crossbeam 7, displacement measuring instrument 9 is arranged on instrument cover 8, the gauge head of displacement measuring instrument 9 is connected with center 6, and the lower port internal diameter of outer ring locating piece 5 center pits is greater than the inner ring external diameter of measured bearing 4 and is less than the outer ring external diameter of measured bearing 4.
As shown in Figure 3, in the embodiment of the present invention, described in lead thick stick 11 for T shape, leading thick stick 11 bottoms is axis body 11a, axis body 11a center is provided with center pit, described in add carrier gas cylinder 13 piston rod be upwards plugged in center pit, axis body 11a is assemblied in measuring seat 14 by guide pin bushing 12.Described leading on thick stick 11 is provided with register pin 10, and register pin 10 upper ends exceed leads thick stick 11 end faces, and bearing base 3 is positioned over leads on thick stick 11, and bearing base 3 bottoms are provided with pilot hole, and pilot hole coordinates with register pin 10, mobile to prevent that bearing base 3 from breakking away.
In the embodiment of the present invention, the fixed form of described measuring seat 14 as shown in Figure 3, Figure 4, described measuring seat 14 upper periphery are provided with boss 14a, outside measuring seat 14, be arranged with multiple circumferentially uniform L shaped pressing plates 17, boss 14a is pushed down in L shaped pressing plate 17 one end, and L shaped pressing plate 17 other ends are screwed on base plate 1.On described L shaped pressing plate 17, be long kidney-shaped hole for the screw mounting hole of mounting screw, make so the position-movable adjusting of L shaped pressing plate 17, thereby can adopt a set of L shaped pressing plate 17 to fix the measuring seat 14 of different specification size, widen range of application of the present invention.
As shown in Figure 3, in the embodiment of the present invention, the center of described instrument cover 8 is provided with mounting hole, and described center 6 tops are slidedly assemblied in by orienting sleeve 18 in the latter half of mounting hole; In the first half of described mounting hole, be provided with fixed cover 20, fixed cover 20 is fixedly connected with instrument cover 8, and the spring 19 that is compressive state is installed in fixed cover 20, and described spring 19 upper ends are connected and fixed cover 20, and spring 19 lower ends connect center 6.Adopt after such structure, spring 19 contributes to the parking position accuracy of center 6.
As shown in Figure 3, in the embodiment of the present invention, described displacement measuring instrument 9 is arranged on fixed cover 20, fixed cover 20 centers are provided with instrument through hole are installed, described displacement measuring instrument 9 adopts micron table, the gauge rod of micron table is plugged in downwards in the through hole at fixed cover 20 centers, and the gauge head of micron table contacts with the top surface of center 6.The measuring accuracy of described displacement measuring instrument 9 is 1 micron.
Concrete applicable cases of the present invention is as follows:
1, calibration: first (standard component is one and brearing bore external diameter width solid block of a size to the standard component of employing and measured bearing 4 same specifications, grinding two end surfaces), standard component is placed on bearing base 3, add carrier gas cylinder 13 air inlets, its piston rod rises, lead thick stick 11 thereby drive, bearing base 3 and standard component synchronously rise, in the time that rising to contact outer ring locating piece 5, standard component stops, now center 6 is also subject to standard component effect and the segment distance that risen, produce displacement, the gauge head that center 6 promotes displacement measuring instrument 9 produces displacement, on displacement measuring instrument 9, there is reading, then regulate by pressure regulator valve the admission pressure that adds carrier gas cylinder 13, read force value by pressure transducer 16 on pressure digital display meter, in the time being transferred to the preload N of requirement, locking pressure regulator valve, by the reading zero setting of displacement measuring instrument 9.
2, measure: put measured bearing 4, adopt the method for operating the same with standard component and admission pressure, when rising to when its upper surface, outer ring touches outer ring locating piece 5, measured bearing 4 stops, now center 6 segment distance that also risen, produce displacement, the gauge head that center 6 promotes displacement measuring instrument 9 produces displacement, and the reading producing on displacement measuring instrument 9 is exactly the bulge quantity data of measured bearing 4, and the bearing that bulge quantity data are zero is exactly the omnipotent pairing bearing under preload N.
Claims (7)
1. omnipotent pairing bearing has load measuring instrument for projection, it is characterized in that: comprise base plate (1), side plate (2), bearing base (3), outer ring locating piece (5), center (6), crossbeam (7), instrument cover (8), displacement measuring instrument (9), lead thick stick (11), add carrier gas cylinder (13), measuring seat (14) and pressure transducer (16), the two ends of described base plate (1) are fixedly connected with the lower end of two blocks of side plates (2) respectively, and the upper end of two blocks of side plates (2) is fixedly connected with the two ends of crossbeam (7); Described measuring seat (14) is fixedly placed on base plate (1), the described carrier gas cylinder (13) that adds is arranged in measuring seat (14), add the cylinder base Bonding pressure sensor (16) of carrier gas cylinder (13), pressure transducer (16) bottom support is upper at base plate (1), and the tailpiece of the piston rod that adds carrier gas cylinder (13) connects straight up leads thick stick (11); Described bearing base (3) is placed on leads thick stick (11) above, and bearing base (3) is above for placing measured bearing (4); Described center (6) is arranged on directly over bearing base (3), and it is upper that center (6) is fixedly mounted on instrument cover (8) by outer ring locating piece (5), and center (6) can enclose outside and in locating piece (5), moves axially but cannot deviate from; Instrument cover (8) is fixed on crossbeam (7), displacement measuring instrument (9) is arranged on instrument cover (8), the gauge head of displacement measuring instrument (9) is connected with center (6), and the lower port internal diameter of outer ring locating piece (5) center pit is greater than the inner ring external diameter of measured bearing (4) and is less than the outer ring external diameter of measured bearing (4).
2. omnipotent pairing bearing as claimed in claim 1 has load measuring instrument for projection, it is characterized in that: described in lead thick stick (11) for T shape, leading thick stick (11) bottom is axis body (11a), axis body (11a) center is provided with center pit, the described piston rod that adds carrier gas cylinder (13) is upwards plugged in center pit, and axis body (11a) is assemblied in measuring seat (14) by guide pin bushing (12).
3. omnipotent pairing bearing as claimed in claim 1 has load measuring instrument for projection, it is characterized in that: described in lead and on thick stick (11), be provided with register pin (10), register pin (10) upper end exceeds leads thick stick (11) end face, bearing base (3) is positioned over leads on thick stick (11), bearing base (3) bottom is provided with pilot hole, pilot hole coordinates with register pin (10), mobile to prevent that bearing base (3) from breakking away.
4. omnipotent pairing bearing as claimed in claim 1 has load measuring instrument for projection, it is characterized in that: described measuring seat (14) upper periphery is provided with boss (14a), outside measuring seat (14), be arranged with multiple circumferentially uniform L shaped pressing plates (17), boss (14a) is pushed down in L shaped pressing plate (17) one end, and L shaped pressing plate (17) other end is screwed on base plate (1).
5. omnipotent pairing bearing as claimed in claim 4 has load measuring instrument for projection, it is characterized in that: described L shaped pressing plate (17) is upper is long kidney-shaped hole for the screw mounting hole of mounting screw.
6. omnipotent pairing bearing as claimed in claim 1 has load measuring instrument for projection, it is characterized in that: the center of described instrument cover (8) is provided with mounting hole, and described center (6) top is slidedly assemblied in the latter half of mounting hole by orienting sleeve (18); In the first half of described mounting hole, be provided with fixed cover (20), fixed cover (20) is fixedly connected with instrument cover (8), the spring (19) that is compressive state is installed in fixed cover (20), described spring (19) upper end is connected and fixed cover (20), and spring (19) lower end connects center (6).
7. omnipotent pairing bearing as claimed in claim 1 has load measuring instrument for projection, it is characterized in that: described instrument cover (8) is provided with instrument through hole is installed, described displacement measuring instrument (9) adopts micron table, the gauge rod of micron table is plugged in instrument downwards and installs in through hole, and the gauge head of micron table contacts with the top surface of center (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410413759.2A CN104154841A (en) | 2014-08-20 | 2014-08-20 | Universal paired bearing load projection measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410413759.2A CN104154841A (en) | 2014-08-20 | 2014-08-20 | Universal paired bearing load projection measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104154841A true CN104154841A (en) | 2014-11-19 |
Family
ID=51880407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410413759.2A Pending CN104154841A (en) | 2014-08-20 | 2014-08-20 | Universal paired bearing load projection measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104154841A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759617A (en) * | 2018-05-25 | 2018-11-06 | 胡学静 | Engine piston goes out cylinder amount detecting device and method of adjustment |
| CN108981633A (en) * | 2018-10-11 | 2018-12-11 | 武汉联航机电有限公司 | A kind of detection device of engine cylinder body |
| CN109186899A (en) * | 2018-06-28 | 2019-01-11 | 纽威数控装备（苏州）有限公司 | A kind of lathe saddle vertical radial Static stiffness measuring device and its measurement method |
| CN110388318A (en) * | 2019-08-12 | 2019-10-29 | 江西沃得尔科技有限公司 | Device for testing gears pump inner and outer rotors difference in height |
| CN110411307A (en) * | 2019-07-31 | 2019-11-05 | 无锡诚石轴承有限公司 | Measuring instrument for projection |
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| CN101629797A (en) * | 2009-07-20 | 2010-01-20 | 杭州人本中型轴承有限公司 | Instrument for measuring one-side bulge quantity of bearing |
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| CN202511730U (en) * | 2012-04-01 | 2012-10-31 | 钱潮轴承有限公司 | Novel protruding amount detection device of tapered roller bearing |
| CN103206936A (en) * | 2013-03-13 | 2013-07-17 | 洛阳轴研科技股份有限公司 | Constant-speed rotating and axial force control method for detecting axial protruding amount of bearing |
| CN103954248A (en) * | 2014-04-30 | 2014-07-30 | 洛阳轴研科技股份有限公司 | Device for measuring protruding quantity of end face of large bearing |
| CN204007417U (en) * | 2014-08-20 | 2014-12-10 | 无锡市第二轴承有限公司 | Omnipotent pairing bearing has load measuring instrument for projection |
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2014
- 2014-08-20 CN CN201410413759.2A patent/CN104154841A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1500321A (en) * | 1974-01-30 | 1978-02-08 | Skf Ind Trading & Dev | Clamping device |
| CN201093975Y (en) * | 2007-08-17 | 2008-07-30 | 上海莱必泰数控机床股份有限公司 | Device for measuring bearing end face project size |
| CN201352100Y (en) * | 2009-01-16 | 2009-11-25 | 烟台轴承仪器有限公司 | Angular contact ball bearing projecting quantity measuring instrument |
| CN101629797A (en) * | 2009-07-20 | 2010-01-20 | 杭州人本中型轴承有限公司 | Instrument for measuring one-side bulge quantity of bearing |
| CN201724664U (en) * | 2010-06-01 | 2011-01-26 | 万向集团公司 | Roller bearing protrusion measuring device |
| CN202511730U (en) * | 2012-04-01 | 2012-10-31 | 钱潮轴承有限公司 | Novel protruding amount detection device of tapered roller bearing |
| CN103206936A (en) * | 2013-03-13 | 2013-07-17 | 洛阳轴研科技股份有限公司 | Constant-speed rotating and axial force control method for detecting axial protruding amount of bearing |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759617A (en) * | 2018-05-25 | 2018-11-06 | 胡学静 | Engine piston goes out cylinder amount detecting device and method of adjustment |
| CN108759617B (en) * | 2018-05-25 | 2020-07-24 | 永康市小菜丫厨具有限公司 | Engine piston cylinder discharge amount detection device and adjustment method |
| CN109186899A (en) * | 2018-06-28 | 2019-01-11 | 纽威数控装备（苏州）有限公司 | A kind of lathe saddle vertical radial Static stiffness measuring device and its measurement method |
| CN108981633A (en) * | 2018-10-11 | 2018-12-11 | 武汉联航机电有限公司 | A kind of detection device of engine cylinder body |
| CN110411307A (en) * | 2019-07-31 | 2019-11-05 | 无锡诚石轴承有限公司 | Measuring instrument for projection |
| CN110388318A (en) * | 2019-08-12 | 2019-10-29 | 江西沃得尔科技有限公司 | Device for testing gears pump inner and outer rotors difference in height |
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Application publication date: 20141119 |
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