CN213455244U - Rolling bearing measuring device - Google Patents
Rolling bearing measuring device Download PDFInfo
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- CN213455244U CN213455244U CN202022422734.2U CN202022422734U CN213455244U CN 213455244 U CN213455244 U CN 213455244U CN 202022422734 U CN202022422734 U CN 202022422734U CN 213455244 U CN213455244 U CN 213455244U
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Abstract
The utility model discloses a antifriction bearing measuring device, the on-line screen storage device comprises a base, be provided with measuring instrument and detection support on the base, measuring instrument includes main shaft, measuring head and dial plate, the detection support includes first support arm, second support arm and third support arm, first support arm and second support arm all are provided with the fixed back shaft, the third support arm is provided with the axle sleeve, the main shaft slides and sets up on the axle sleeve, the tip of two fixed back shafts can form the measurement plane jointly with measuring instrument's measuring head, the detection support corresponds the measuring plane's lower extreme and is provided with supporting component and drive supporting component gliding lifter from top to bottom, the lifter includes connecting rod and branch, connecting rod and base threaded connection, the lateral wall of branch is provided with the scale. The utility model provides a simple structure can solve among the prior art high great problem of error of comparison, makes the measuring result more accurate, more standardized antifriction bearing measuring device.
Description
Technical Field
The utility model belongs to the technical field of bearing measuring equipment, especially, antifriction bearing measuring device.
Background
After the outer ring of the rolling bearing is machined, the diameter of the outer ring and the height of the bearing are usually measured by a measuring instrument, and the measured data of the outer diameter and the height of the bearing are fed back to the new product development process, so that the new product can be further optimized and improved, and the product quality is ensured. At present, a common measuring instrument can only measure the outer diameter of a bearing, the measuring means is single, and the GB/T307.2-2005 detection requirement has certain requirements on the height of the bearing. The common method is as follows: the ring gauge standard component needs to determine a measurement height after measurement by a length measuring machine, and through comparison of the measurement height and a rolling bearing, the existing instrument cannot meet the setting of the height, so that the actual height of the rolling bearing is only as close as possible to the height of a standard ring gauge, the method greatly increases the measurement error caused by instrument limitation during bearing detection, and cannot meet the standard requirement in GB/T307.2-2005 to a certain extent.
Based on this, the present application is proposed.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a simple structure can solve the great problem of high comparison error among the prior art, makes measuring result more accurate, more standardized antifriction bearing measuring device.
In order to realize the purpose, the utility model discloses a technical scheme is: a rolling bearing measuring device comprises a base, wherein a measuring instrument and a detecting support are arranged on the base, the measuring instrument comprises a main shaft, a measuring head and a dial plate, the detecting support comprises a first supporting arm, a second supporting arm and a third supporting arm which are distributed along the circumferential direction, the first supporting arm, the second supporting arm and the third supporting arm are sequentially arranged at intervals of 90 degrees along the circumferential direction, fixed supporting shafts are arranged at the end parts of the first supporting arm and the second supporting arm respectively, a shaft sleeve is arranged at the end part of the third supporting arm, the main shaft of the measuring instrument is arranged on the shaft sleeve in a sliding manner, the end parts of the two fixed supporting shafts and the measuring head of the measuring instrument can jointly form a measuring plane for measuring the outer diameter of the rolling bearing, and the detecting support corresponds to the lower end of the measuring plane and is provided with a supporting component parallel to the measuring plane and a lifting, the lifter comprises a connecting rod and a supporting rod which are integrally formed, the connecting rod is in threaded connection with the base, and a graduated scale is arranged on the side wall of the supporting rod.
Adopt above-mentioned scheme, the external diameter of the measured bearing can be measured to the measuring plane that the tip of at first two fixed back shafts and measuring instrument's measuring head formed, only need place antifriction bearing on supporting component, guarantee supporting component and measuring plane parallel, tip and antifriction bearing's external diameter butt through being two fixed back shafts of 90 degrees settings, can carry on spacingly to antifriction bearing, prevent that antifriction bearing from sliding on supporting component, at last through the slip main shaft, make measuring head and antifriction bearing external diameter lateral wall butt on the measuring instrument, read dial plate numerical value can obtain antifriction bearing's external diameter, moreover, the steam generator is simple in structure, and the measurement is convenient.
In addition, the actual height of the rolling bearing can be calculated by a common marking method/red inkpad coloring method, then the rolling bearing is prevented from being arranged on the supporting component, the lifting rod is driven to slide, the upper end face of the rolling bearing is enabled to coincide with a measuring plane, a basic value (equivalent to performing height setting) can be read by the scale on the supporting rod at the moment, then the rolling bearing is taken down, the standard ring gauge is placed on the supporting component, then the supporting component is driven to slide, the upper end face of the standard ring gauge is enabled to coincide with the measuring plane, a standard value is read, a value difference can be obtained by comparing the basic value with the standard value, namely the height error of the rolling bearing, by the method, the measuring error can be avoided, the time is saved, and the data accuracy is guaranteed.
As the utility model discloses a further setting, supporting component includes disc and cross backup pad, cross backup pad and disc from top to bottom connect gradually the fastening through the bolt and are in the tip of branch.
By adopting the scheme, the supporting component is composed of the disc and the cross supporting plate, the disc can provide a more stable platform, the cross supporting plate above is guaranteed not to incline, the cross supporting plate is convenient for initial center positioning of the rolling bearing, subsequent measurement is convenient, and the cross supporting plate is convenient for taking the measured part to a certain extent.
As a further arrangement of the utility model, a plurality of anti-skid grooves are arranged on the cross supporting plate.
By adopting the scheme, the stability of the tested part in placement is improved.
As a further setting of the utility model, the chi footpath of axle sleeve slightly is less than the external diameter of main shaft, the lateral wall of axle sleeve is provided with one along axial extension and cracks, the circumference both sides that the lateral wall correspondence of axle sleeve cracked are provided with the connecting block that the accessible nut screwed the connection.
Adopt above-mentioned scheme, through setting up the seam on the axle sleeve, the convenience slides the operation to the main shaft to make the measuring head can with bearing external diameter lateral wall butt, then the connecting block of screwing the connection through the nut can prevent that the main shaft from sliding, thereby guarantees that measured data is stable, difficult emergence changes. Simple structure and convenient installation.
As a further arrangement of the present invention, the end of the connecting rod is provided with a handle which is convenient for driving the connecting rod to rotate.
By adopting the scheme, the connecting rod is convenient to drive to rotate, the structure is simple, and the detection is convenient.
The present invention will be further described with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic exterior view of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a support assembly and a lifting rod according to an embodiment of the present invention.
Detailed Description
The specific embodiment of the utility model is shown in fig. 1-2, a rolling bearing measuring device, comprising a base 1, a measuring instrument 2 and a detecting support 3 are arranged on the base 1, the measuring instrument 2 comprises a main shaft 21, a measuring head 22 and a dial 23, the detecting support 3 comprises a first supporting arm 31, a second supporting arm 32 and a third supporting arm 33 which are distributed along the circumferential direction, the first supporting arm 31, the second supporting arm 32 and the third supporting arm 33 are arranged in a circular arc shape, the detecting operation space of the detecting support 3 can be enlarged, the operation of an operator is convenient, the measuring efficiency is improved, the first supporting arm 31, the second supporting arm 32 and the third supporting arm 33 are arranged along the circumferential direction in turn at intervals of 90 degrees, the end parts of the first supporting arm 31 and the second supporting arm 32 are both provided with a fixed supporting shaft 4, the end part of the third supporting arm 33 is provided with a shaft sleeve 331, main shaft 21 of measuring instrument 2 slides and sets up on axle sleeve 331, the tip of two fixed stay shafts 4 can form the measuring plane 5 that is used for measuring the antifriction bearing external diameter jointly with measuring instrument 2's measuring head 22, it corresponds to detect support 3 the lower extreme of measuring plane 5 is provided with supporting component 6 and the gliding lifter 7 from top to bottom of drive supporting component 6 parallel with measuring plane 5, lifter 7 includes connecting rod 71 and the branch 72 that integrated into one piece set up, connecting rod 71 and base 1 threaded connection, connecting rod 71 lateral wall are provided with the external screw thread (not shown in the figure), the lateral wall of branch 72 is provided with scale 721.
When carrying out external diameter measurement, at first the external diameter of the measured bearing can be measured to measuring plane 5 that the tip of two fixed support shafts 4 and the measuring head 22 of measuring instrument 2 formed, only need to place antifriction bearing on supporting component 6, guarantee that supporting component 6 is parallel with measuring plane 5, tip and antifriction bearing's external diameter butt through two fixed support shafts 4 that are 90 degrees settings, can carry on spacingly to antifriction bearing, prevent that antifriction bearing from sliding on supporting component 6, at last through slip main shaft 21, make measuring head 22 and the antifriction bearing external diameter lateral wall butt on the measuring instrument 2, read dial plate 23 numerical value can obtain antifriction bearing's external diameter, moreover, the steam generator is simple in structure, and convenient for measurement.
When the height is measured, the actual height of the rolling bearing can be calculated by a common marking method/red inkpad coloring method, then the rolling bearing is prevented from being arranged on the supporting component 6, the lifting rod 7 is driven to slide, the upper end face of the rolling bearing is enabled to coincide with the measuring plane 5, a basic value (equivalent to performing height setting) can be read by the scale on the supporting rod 72 at the moment, then the rolling bearing is taken down, the standard ring gauge is placed on the supporting component 6, the supporting component 6 is driven to slide again, the upper end face of the standard ring gauge is enabled to coincide with the measuring plane 5, a standard value is read, a value difference can be obtained by comparing the basic value with the standard value, namely the height error of the rolling bearing, the measuring error can be avoided by the method, the time is saved, and the data accuracy is guaranteed.
In this embodiment, the support assembly 6 includes a disk 61 and a cross-shaped support plate 62, and the cross-shaped support plate 62 and the disk 61 are sequentially fastened to the end of the support rod 72 from top to bottom through bolts. The upper end face of the cross-shaped support plate 62 is parallel to the measuring plane 5.
In this embodiment, the cross-shaped supporting plate 62 is provided with a plurality of anti-slip grooves 621.
In this embodiment, the diameter of the shaft sleeve 331 is slightly smaller than the outer diameter of the main shaft 21, a slit 3311 extends along the axial direction of the side wall of the shaft sleeve 331, and the connecting blocks 3312 which can be screwed by nuts are disposed on the side wall of the shaft sleeve 331 corresponding to two circumferential sides of the slit 3311. The end parts of the first supporting arm 31 and the second supporting arm 32 can also be used for fixing the fixed supporting shaft 4 through the shaft sleeve 331, meanwhile, the fixed supporting shaft 4 is convenient to displace and adjust, the measuring device can adapt to measurement of bearings with different sizes, and the application range of the measuring device is widened.
In this embodiment, the end of the connecting rod 71 is provided with a handle 8 for driving the connecting rod 71 to rotate.
The utility model discloses do not confine the above-mentioned embodiment to, the general technical personnel in this field can adopt other multiple embodiments to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a design structure and thinking do simple change or change, all fall into the utility model discloses a protection scope.
Claims (5)
1. The utility model provides a antifriction bearing measuring device, includes the base, its characterized in that: the base is provided with a measuring instrument and a detecting support, the measuring instrument comprises a main shaft, a measuring head and a dial plate, the detecting support comprises a first supporting arm, a second supporting arm and a third supporting arm which are distributed along the circumferential direction, the first supporting arm, the second supporting arm and the third supporting arm are sequentially arranged at intervals of 90 degrees along the circumferential direction, the end parts of the first supporting arm and the second supporting arm are respectively provided with a fixed supporting shaft, the end part of the third supporting arm is provided with a shaft sleeve, the main shaft of the measuring instrument is arranged on the shaft sleeve in a sliding way, the end parts of the two fixed supporting shafts and the measuring head of the measuring instrument can jointly form a measuring plane for measuring the outer diameter of the rolling bearing, the lower end of the detecting support corresponding to the measuring plane is provided with a supporting component parallel to the measuring plane and a lifting rod which drives the supporting component to slide up and down, and the, the connecting rod is in threaded connection with the base, and the side wall of the supporting rod is provided with a graduated scale.
2. The rolling bearing measuring device according to claim 1, characterized in that: the supporting component comprises a disc and a cross supporting plate, wherein the cross supporting plate and the disc are sequentially connected and fastened at the end part of the supporting rod through a bolt from top to bottom.
3. The rolling bearing measuring device according to claim 2, characterized in that: and a plurality of anti-skidding grooves are formed in the cross-shaped supporting plate.
4. The rolling bearing measuring device according to claim 1, characterized in that: the size diameter of the shaft sleeve is slightly smaller than the outer diameter of the main shaft, a slit is formed in the side wall of the shaft sleeve in an axially extending mode, and connecting blocks capable of being screwed through nuts are arranged on the two circumferential sides, corresponding to the slit, of the side wall of the shaft sleeve.
5. The rolling bearing measuring device according to claim 1, characterized in that: the end of the connecting rod is provided with a handle which is convenient for driving the connecting rod to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022422734.2U CN213455244U (en) | 2020-10-27 | 2020-10-27 | Rolling bearing measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022422734.2U CN213455244U (en) | 2020-10-27 | 2020-10-27 | Rolling bearing measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213455244U true CN213455244U (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022422734.2U Active CN213455244U (en) | 2020-10-27 | 2020-10-27 | Rolling bearing measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213455244U (en) |
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2020
- 2020-10-27 CN CN202022422734.2U patent/CN213455244U/en active Active
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