CN215177386U - Double row angular contact groove position measuring instrument - Google Patents
Double row angular contact groove position measuring instrument Download PDFInfo
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- CN215177386U CN215177386U CN202121110926.8U CN202121110926U CN215177386U CN 215177386 U CN215177386 U CN 215177386U CN 202121110926 U CN202121110926 U CN 202121110926U CN 215177386 U CN215177386 U CN 215177386U
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Abstract
The utility model discloses a biserial angular contact groove position measuring apparatu, it includes the test bottom plate and fixes the instrument stand on the test bottom plate, set up the instrument chuck that is used for fixed amesdial on the instrument stand, still fixed measurement dog and elasticity side bearer on the test bottom plate, elasticity side bearer and measurement still set up the steel ball side head between the dog, thereby the steel ball gauge head stretches into the groove position that awaits measuring the volume bearing ring and makes elasticity survey frame take place to warp, and the elasticity of deformation is surveyed the weight of frame on the vertical direction and is made the amesdial top take place the displacement. The utility model discloses a ditch position measuring apparatu utilizes the platform to support the work piece, converts ditch position value into axial offset through elastic support, reads out corresponding numerical value through the table frame installation amesdial on the stand and solves two halves ditch type bearing fixed position's problem, and the accessible changes the more model bearings of the size compatibility of elasticity survey frame and measurement bottom plate simultaneously, measures more different model bearings.
Description
Technical Field
The utility model relates to a biserial angular contact ditch position measuring apparatu.
Background
The D022 type ball bearing inner diameter channel measuring instrument is a conventional instrument which is used in large quantity by the existing bearing manufacturers, and as shown in figure 1, the D022 type ball bearing inner diameter channel measuring instrument mainly comprises a base and a groove plate: the two sliding grooves are connected together through bolts, two sliding grooves are arranged at the lower parts of the groove plates, spherical positioning fulcrums of the ferrule channels are arranged on sliding blocks in the sliding grooves, and pressing fulcrums of levers are arranged on the groove plates; the ferrule is urged against two locating fulcrums below, and channel diameter, channel run and channel position are measured by the meter.
However, the positioning mode of the D022 type ball bearing inner diameter channel measuring instrument is limited to the shape of the bearing rings with symmetrical sides, the supporting ball for the half-groove type bearing cannot be fixedly supported, the existing half-groove type bearing is mostly fixed by three coordinates for measurement, the engineering quantity is large, the consumed time is long, the half-groove type bearing cannot be used for mass production, meanwhile, the fixing method is complicated, and the half-groove type bearing with different sizes cannot be easily adjusted and cannot be suitable for large-scale measurement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a biserial angular contact ditch position measuring apparatu in order to solve above-mentioned problem.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the double-row angular contact groove position measuring instrument comprises a testing bottom plate and an instrument upright post fixed on the testing bottom plate, wherein an instrument chuck for fixing a dial indicator is arranged on the instrument upright post, and the dial indicator is fixed on any vertical position of the instrument upright post by the instrument chuck through fixing bolts arranged at two ends of the instrument chuck; a measuring stop block and an elastic side frame are further fixed on the testing bottom plate, a steel ball side head is further arranged between the elastic side frame and the measuring stop block, and the measuring stop block abuts against the right outer edge of the bearing ring to be measured to keep the center line position of the steel ball measuring head to be coincident with the groove position center line position of the bearing ring to be measured; the steel ball measuring head extends into the groove position of the bearing ring to be measured so as to enable the elastic measuring frame to deform, and the component of the deformed elastic measuring frame in the vertical direction enables the tip of the dial indicator to displace.
Further, the elastic force measuring frame comprises a rigid body part, a deformation part and a displacement space for reserving the deformation part to deform downwards; the rigid body part is in a shape of inverted L, and the bottom of the rigid body part is fixed on the test bottom plate through bolts; the deformation part is made of spring steel, the right side of the deformation part and the rigid body part are integrally formed, the thinnest part of the deformation part is processed to be 0.5mm in thickness, and the deformation part is formed by quenching and modulating; the displacement space is a gap between the lower end face of the deformation part and the upper end face of the testing bottom plate.
Furthermore, a positioning rod is fixed on the elastic force measuring frame through a fixing bolt; the elastic testing frame is provided with through holes for accommodating the positioning rods from bottom to top, the left or right elastic testing frame is provided with bolt holes for fixing bolts, and the positioning rods are locked by the fixing bolts to be fixed with the elastic testing frame; and the elastic force measuring frame extends out of the upper part of the positioning rod, and the upper end surface of the elastic force measuring frame is in lap joint with the tip of the dial indicator.
Particularly, the tip of the dial indicator is perpendicular to the end face of the positioning rod, and the positioning rod is arranged on the elastic measuring frame far away from the side head of the steel ball.
Furthermore, a calibrating device is also arranged on the elastic force measuring frame, and the calibrating device comprises a spring, a spring bracket and a limiting bolt; one side of the spring is connected with the deformation part of the elastic force measuring frame through a fixing bolt, the other side of the spring is fixed on a spring support arranged above the rigid body part of the elastic force measuring frame through a bolt, and the deformation part is separated from the test bottom plate through the spring to form a displacement space; the lower part of the limiting bolt is in lap joint with the upper end face of the deformation part of the elastic measuring frame, the upper part of the limiting bolt is limited above the rigid body part of the elastic measuring frame through a nut, and the elastic measuring frame is limited at the same initial position through the limiting bolt.
Furthermore, one side of the steel ball side head is fixed on a deformation part of the elastic force measuring frame through an adjusting bolt; one side of the adjusting bolt is fixed on the deformation part of the elastic force measuring frame through the adjusting bolt positioning plate; one side of the adjusting bolt positioning plate is fixed on the deformation part of the elastic force measuring frame through a bolt, and the other side of the adjusting bolt positioning plate is provided with a groove for accommodating an adjusting nut matched with the adjusting bolt; the vertical height of the adjusting bolt is adjusted by screwing in and screwing out the adjusting bolt in the bolt positioning plate.
Particularly, the rear side of the steel ball side head is fixed on a steel ball side head fixing plate, and a threaded hole matched with the adjusting bolt is formed above the steel ball side head fixing plate; and the side surface of the steel ball side head fixing plate is also provided with a positioning bolt for fixing the steel ball side head fixing plate on the elastic force measuring frame.
The utility model discloses a ditch position measuring apparatu utilizes the platform to support the work piece, converts ditch position value into axial offset through elastic support, reads out corresponding numerical value through the table frame installation amesdial on the stand and solves two halves ditch type bearing fixed position's problem, and the accessible changes the size of elasticity survey frame and measurement bottom plate simultaneously, measures the position of dog and adjusts the height of supporting steel ball gauge head, can compatible more model bearings, measures more different model bearings.
Drawings
FIG. 1 is a schematic diagram of a D022 type ball bearing inner diameter channel measuring instrument;
FIG. 2 is a schematic structural view of the elastic force measuring stand of the present invention;
fig. 3 is a left side view of the present invention;
fig. 4 is a schematic front view of the present invention;
fig. 5 is a schematic view of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.
Aiming at the problem that the existing supporting ball for the half-groove bearing cannot be fixedly supported, the existing half-groove bearing is mostly measured by three-coordinate fixation, so that the engineering quantity is large, the consumed time is long, and the half-groove bearing cannot be used for mass production; based on above-mentioned purpose the utility model provides a double row angular contact ditch position measuring apparatu suitable for large-scale measurement, as follows:
referring to fig. 2 to 5, the double-row angular contact groove position measuring instrument includes a testing base plate 1 and an instrument column 2 fixed on the testing base plate 1, wherein an instrument chuck 4 for fixing a dial indicator 3 is arranged on the instrument column 2, and the dial indicator 3 is fixed on any vertical position of the instrument column 2 by the instrument chuck 4 through fixing bolts arranged at two ends; a measuring stop block 5 and an elastic side frame 6 are further fixed on the testing bottom plate 1, a steel ball side head 7 is further arranged between the elastic side frame 6 and the measuring stop block 5, and the measuring stop block 5 abuts against the right outer edge of the bearing ring to be measured to keep the center line position of the steel ball measuring head 7 to be coincident with the groove position center line position of the bearing ring S to be measured; the steel ball measuring head 7 extends into the groove position of the bearing ring S to be measured so as to promote the elastic measuring frame 6 to deform, and the component of the deformed elastic measuring frame 6 in the vertical direction promotes the top of the dial indicator 3 to displace.
The elastic force measuring frame 6 comprises a rigid body part 600, a deformation part 601 and a displacement space 602 for reserving the deformation part to deform downwards; the rigid body part 600 is in a shape of inverted L, and the bottom of the rigid body part is fixed on the test base plate 1 through bolts; the deformation part 601 is made of spring steel, the right side of the deformation part is integrally formed with the rigid body part 600, the thinnest part of the deformation part 601 is processed to be 0.5mm in thickness, and the deformation part is formed by quenching and modulating; the displacement space 602 is a gap between the lower end surface of the deformation portion 601 and the upper end surface of the test base plate 1.
The elastic force measuring frame 6 is fixed with a positioning rod 603 through a fixing bolt; the elastic testing frame 6 is provided with through holes for accommodating the positioning rods from bottom to top, the left or right elastic testing frame is provided with bolt holes for fixing bolts, and the positioning rods 603 are locked by the fixing bolts to be fixed with the elastic testing frame 6; the elastic force measuring frame 6 extends out of the upper portion of the positioning rod 603, the upper end face of the elastic force measuring frame is in lap joint with the tip of the dial indicator 3, the displayed numerical value of the dial indicator changes through contact, and the dial indicator is fixed on the instrument clamp through locking of a bolt on the instrument clamp after the dial indicator is adjusted to a proper position.
The tip of the dial gauge 3 is perpendicular to the end face of the positioning rod, the positioning rod 603 is arranged on the elastic force measuring frame far away from the side head of the steel ball, the position of the positioning rod 603 is shown by reference 5, the deformation angle of the deformation part 601 during measurement is theta, the distance between the positioning rod and the left end of the elastic force measuring frame is L1, the length of the elastic force measuring frame is L2 (assuming that the length of the elastic force measuring frame is unchanged during deformation, and the deformation of the elastic force measuring frame is mainly the deformation angle, so that the displacement of the positioning rod 603 is changed), the actual groove position a during measurement is L2 (1-cos theta), the displacement b of the positioning rod is changed into L1 tan theta, in order to correlate or approximately same the actual groove position a and the displacement b of the positioning rod, and reduce the influence of other factors on the two:
as can be seen from the above equation, when θ approaches 0, the value of q after taylor expansion is 0, and therefore, the positioning rod 603 is disposed on the elastic force measuring frame away from the steel ball side head, and the influence of other factors on the two is reduced so as to correlate the actual groove position a with the displacement b of the positioning rod.
The elastic force measuring frame 6 is also provided with a calibrating device, and the calibrating device comprises a spring 604, a spring support 605 and a limiting bolt 606; one side of a spring 604 is connected with a deformation part 601 of the elastic force measuring frame through a fixed bolt, the other side of the spring 604 is fixed on a spring bracket 605 arranged above a rigid body part 600 of the elastic force measuring frame through a bolt, and the deformation part 601 is separated from the test bottom plate 1 through the spring 604 to form a displacement space 602; the lower part of the limit bolt 606 is lapped with the upper end face of the deformation part 601 of the elastic force measuring frame, the upper part is limited above the rigid body part 600 of the elastic force measuring frame through a nut, the elastic force measuring frame 6 is limited at the same initial position through the limit bolt 603, and the elastic force measuring frame and a mobile phone can not fall down to be in contact with a measuring bottom plate due to self weight, so that the up-and-down deformation space (namely the displacement space 602) is ensured.
One side of the steel ball side head 7 is fixed on a deformation part 601 of the elastic force measuring frame through an adjusting bolt 700; one side of the adjusting bolt 700 is fixed on the deformation part 601 of the elastic force measuring frame through an adjusting bolt positioning plate 701; one side of the adjusting bolt positioning plate 701 is fixed on the deformation part 601 of the elastic force measuring frame through a bolt, and the other side of the adjusting bolt positioning plate is provided with a groove 702 for accommodating an adjusting nut matched with the adjusting bolt; the vertical height of the adjusting bolt 700 is adjusted by screwing and unscrewing the adjusting bolt 700 into and out of the bolt positioning plate 701.
The rear side of the steel ball side head 7 is fixed on a steel ball side head fixing plate 703, and a threaded hole matched with the adjusting bolt is arranged above the steel ball side head fixing plate 703; the side surface of the steel ball side head fixing plate 703 is also provided with a positioning bolt for fixing the steel ball side head fixing plate on the elastic force measuring frame.
The utility model discloses a concrete measurement step as follows:
1) calibration: adjusting a bolt on a spring support, determining a displacement space through a spring, fixing an initial position of a positioning rod on an elastic force measuring frame by using a limiting bolt, and displaying an initial numerical value A on a dial indicator;
2) and (3) measurement and calibration: positioning the standard sample bearing ring in a manual pressure applying mode, wherein during measurement, the measurement stop block is abutted against the right outer edge of the sample bearing ring, and the center line position of the steel ball measuring head is kept to be superposed with the groove position center line position of the sample bearing ring to be measured; during initial measurement, the height of the central line of the measuring ball on the steel ball measuring head is higher than the groove bottom height of the sample ring to be measured, after manual pressure is applied, the measuring ball is extruded by the bearing groove, the measuring ball is forced to move to the groove bottom diameter position of the sample bearing ring, the displacement is stopped after the measuring ball moves to the groove bottom diameter position, the elastic measuring frame is further promoted to deform, the positioning rod on the deformed elastic measuring frame is displaced, the initial B is displayed on a dial gauge, the central line height of the measuring ball on the steel ball measuring head is further adjusted through the comparison of the measured values of the initial A and the initial B, the central line height of the measuring ball on the steel ball measuring head is higher than the groove bottom height of the sample ring to be measured and is positioned at a position different from the previous position, after the adjustment is finished, the value of the A is reset through adjusting the dial of the dial gauge, the sample ring is repeatedly measured, a new value B is obtained, and the sample ring can be repeatedly measured for several times, observing whether the zero position of the pointer of the dial indicator and the new value B can run or not, repeatedly measuring and positioning each time, finishing the measurement if the digital values of the dial indicator are consistent, and recording the display B on the dial indicator;
3) measurement: step 3), after the measurement is finished, re-measuring the bearing ring to be measured in the same way as the step 3) according to the measurement mode of the bearing ring of the standard sample piece, and displaying C on a dial indicator;
4) and comparing the values B with the values C to judge whether the size of the ferrule channel which is measured is qualified or not.
And simultaneously, the utility model discloses also can measure the frame and measure the size of bottom plate, measure the position of dog and adjust the height of supporting steel ball gauge head through changing elasticity, can compatible more model bearings, measure more different model bearings.
The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the restriction on any form, and any person who knows commonly in the technical field can use the present invention to make the equivalent embodiment of local change or modification without departing from the technical features of the present invention.
Claims (7)
1. Biserial angular contact ditch position measuring apparatu, it includes the test bottom plate and fixes the instrument stand on the test bottom plate, its characterized in that: the instrument column is provided with an instrument chuck for fixing the dial indicator, and the instrument chuck fixes the dial indicator on any position of the instrument column in the vertical direction through fixing bolts arranged at two ends of the instrument chuck; a measuring stop block and an elastic side frame are further fixed on the testing bottom plate, a steel ball side head is further arranged between the elastic side frame and the measuring stop block, and the measuring stop block abuts against the right outer edge of the bearing ring to be measured to keep the center line position of the steel ball measuring head to be coincident with the groove position center line position of the bearing ring to be measured; the steel ball measuring head extends into the groove position of the bearing ring to be measured so as to enable the elastic measuring frame to deform, and the component of the deformed elastic measuring frame in the vertical direction enables the tip of the dial indicator to displace.
2. The double row angular contact groove position measuring instrument according to claim 1, wherein: the elastic force measuring frame comprises a rigid body part, a deformation part and a displacement space for reserving the deformation part to deform downwards; the rigid body part is in a shape of inverted L, and the bottom of the rigid body part is fixed on the test bottom plate through bolts; the deformation part is made of spring steel, the right side of the deformation part and the rigid body part are integrally formed, the thinnest part of the deformation part is processed to be 0.5mm in thickness, and the deformation part is formed by quenching and modulating; the displacement space is a gap between the lower end face of the deformation part and the upper end face of the testing bottom plate.
3. The double row angular contact groove position measuring instrument according to claim 2, wherein: the elastic force measuring frame is fixed with a positioning rod through a fixing bolt; the elastic testing frame is provided with through holes for accommodating the positioning rods from bottom to top, the left or right elastic testing frame is provided with bolt holes for fixing bolts, and the positioning rods are locked by the fixing bolts to be fixed with the elastic testing frame; and the elastic force measuring frame extends out of the upper part of the positioning rod, and the upper end surface of the elastic force measuring frame is in lap joint with the tip of the dial indicator.
4. The double row angular contact groove position measuring instrument according to claim 3, wherein: the tip of the dial indicator is vertical to the end face of the positioning rod, and the positioning rod is arranged on the elastic force measuring frame far away from the side head of the steel ball.
5. The double row angular contact groove position measuring instrument according to claim 2, wherein: the elastic force measuring frame is also provided with a calibrating device, and the calibrating device comprises a spring, a spring bracket and a limiting bolt; one side of the spring is connected with the deformation part of the elastic force measuring frame through a fixing bolt, the other side of the spring is fixed on a spring support arranged above the rigid body part of the elastic force measuring frame through a bolt, and the deformation part is separated from the test bottom plate through the spring to form a displacement space; the lower part of the limiting bolt is in lap joint with the upper end face of the deformation part of the elastic measuring frame, the upper part of the limiting bolt is limited above the rigid body part of the elastic measuring frame through a nut, and the elastic measuring frame is limited at the same initial position through the limiting bolt.
6. The double row angular contact groove position measuring instrument according to claim 2, wherein: one side of the steel ball side head is fixed on the deformation part of the elastic force measuring frame through an adjusting bolt; one side of the adjusting bolt is fixed on the deformation part of the elastic force measuring frame through the adjusting bolt positioning plate; one side of the adjusting bolt positioning plate is fixed on the deformation part of the elastic force measuring frame through a bolt, and the other side of the adjusting bolt positioning plate is provided with a groove for accommodating an adjusting nut matched with the adjusting bolt; the vertical height of the adjusting bolt is adjusted by screwing in and screwing out the adjusting bolt in the bolt positioning plate.
7. The double row angular contact groove position measuring instrument according to claim 6, wherein: the rear side of the steel ball side head is fixed on a steel ball side head fixing plate, and a threaded hole matched with the adjusting bolt is formed above the steel ball side head fixing plate; and the side surface of the steel ball side head fixing plate is also provided with a positioning bolt for fixing the steel ball side head fixing plate on the elastic force measuring frame.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121110926.8U CN215177386U (en) | 2021-05-24 | 2021-05-24 | Double row angular contact groove position measuring instrument |
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| CN202121110926.8U CN215177386U (en) | 2021-05-24 | 2021-05-24 | Double row angular contact groove position measuring instrument |
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| CN215177386U true CN215177386U (en) | 2021-12-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280707A (en) * | 2021-05-24 | 2021-08-20 | 黄山明明德集团有限公司 | Double-row angular contact groove position measuring instrument and measuring method thereof |
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2021
- 2021-05-24 CN CN202121110926.8U patent/CN215177386U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280707A (en) * | 2021-05-24 | 2021-08-20 | 黄山明明德集团有限公司 | Double-row angular contact groove position measuring instrument and measuring method thereof |
| CN113280707B (en) * | 2021-05-24 | 2024-05-31 | 黄山明明德集团有限公司 | Double-row angular contact groove position measuring instrument and measuring method thereof |
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