CN112880521A - Bearing section height measuring instrument - Google Patents
Bearing section height measuring instrument Download PDFInfo
- Publication number
- CN112880521A CN112880521A CN202110315798.9A CN202110315798A CN112880521A CN 112880521 A CN112880521 A CN 112880521A CN 202110315798 A CN202110315798 A CN 202110315798A CN 112880521 A CN112880521 A CN 112880521A
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- measuring instrument
- height measuring
- section height
- shaft
- bearing section
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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
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
- G01B5/061—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness height gauges
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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
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
- G01B5/068—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness of objects while moving
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention provides a bearing section height measuring instrument which comprises a support, a transverse shaft, an upright post and a meter frame, wherein the support is provided with a bearing section height measuring groove; the cross shaft is horizontally arranged on the support, the stand column is vertically arranged on the support, the stand column is located above the cross shaft, and the gauge stand is slidably arranged on the stand column. The device has the advantages of simple structure, high measurement precision, time saving and labor saving.
Description
Technical Field
The invention relates to the technical field of bearing measurement, in particular to a bearing section height measuring instrument.
Background
Because some non-standard bearings have the requirement of measuring the cross-sectional height, such as BNPF123075-2RZ-1/YB2, the product has strict requirements on the cross-sectional height (15 sets are a group, the cross-sectional height of each group is not more than 5um, and the cross-sectional height of two adjacent bearings is not more than 2 um), and the batch size is large. The existing measurement mode is that an outer diameter pendulum instrument and a vernier caliper are used for measurement, the measurement error is large (between 0.01mm and 0.03 mm), and time and labor are wasted.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a high-bearing-section measuring instrument which is high in measuring accuracy, time-saving and labor-saving.
In order to achieve the purpose, the invention adopts the following technical scheme:
the bearing section height measuring instrument comprises a bracket, a transverse shaft, an upright post and a gauge stand; the cross shaft is horizontally arranged on the support, the stand column is vertically arranged on the support, the stand column is located above the cross shaft, and the gauge stand is slidably arranged on the stand column.
Furthermore, a positioning device is arranged on the upright post and used for adjusting the position of the watch frame on the upright post.
Further, the bearing section height measuring instrument further comprises a dial indicator, the dial indicator is arranged on the indicator frame, and the dial indicator is located above the transverse shaft.
Furthermore, the positioning device is located below the meter frame and is an adjusting nut, and the adjusting nut is in threaded connection with the upright post.
Furthermore, a limiting shaft shoulder is arranged on the cross shaft, an inner ring gasket is arranged on the cross shaft, and the inner ring gasket is installed on the cross shaft through a compression nut and a pressing plate.
Furthermore, a boss and an annular flange are axially arranged on the end face of the compression nut, which is close to one side of the pressing plate, the annular flange is arranged on the outer side of the boss, the boss is embedded in the inner hole of the pressing plate, and the annular flange is embedded in an annular groove in the pressing plate.
Further, the support is right angle Z type, including the bottom plate and the roof of level setting, the curb plate of vertical setting, and the roof is located the top of bottom plate.
Further, the meter frame comprises a sleeve joint part, a supporting part and a clamping part, the clamping part is located above the sleeve joint part, the sleeve joint part is slidably sleeved on the thread section on the stand column, the lower end of the supporting part is fixedly connected with the sleeve joint part, the upper end of the supporting part is fixedly connected with the clamping part, and the clamping part is provided with a meter rod mounting hole.
Further, the dial indicator is mounted on the indicator frame through an indicator rod; the dial indicator is installed at one end of the indicator rod, and the other end of the indicator rod is installed in the indicator rod installation hole.
Furthermore, one end of the cross shaft comprises a step shaft and a first threaded shaft which are coaxially arranged, the step shaft is inserted into the step hole in the side plate, the first threaded shaft penetrates through the step hole, the first threaded shaft is fixed on the side plate through a nut and a gasket, a second threaded shaft is coaxially arranged at the other end of the cross shaft, the pressing plate is sleeved on the second threaded shaft, one end of the pressing plate is abutted against the compression nut, the other end of the pressing plate is abutted against the inner ring gasket, and the compression nut is matched with the second threaded shaft.
Furthermore, one end of the upright post is provided with a connecting section, the other end of the upright post is provided with a thread section, the thread section is provided with an external thread, and the connecting section is inserted in the first mounting hole in an interference manner.
Compared with the prior art, the invention has the beneficial effects that:
the application provides a bearing section height measuring instrument which comprises a support, a transverse shaft, a stand column and a meter frame; the cross shaft is horizontally arranged on the support, the stand column is vertically arranged on the support, the stand column is located above the cross shaft, and the gauge stand is slidably arranged on the stand column. The device has the advantages of simple structure, high measurement precision, time saving and labor saving.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a horizontal axis of the embodiment of the invention;
FIG. 4 is a schematic structural diagram of a platen according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a compression nut according to an embodiment of the present invention.
In the figure: 1. the device comprises a support, 1.1, a bottom plate, 1.2, a side plate, 1.3, a top plate, 1.4, a first mounting hole, 2, a transverse shaft, 2.1, a limiting shaft shoulder, 2.2, a first threaded shaft, 2.3, a stepped shaft, 2.4, a second threaded shaft, 3, an upright post, 3.1, a connecting section, 3.2, a threaded section, 4, a meter frame, 4.1, a sleeve joint part, 4.2, a supporting part, 4.3, a clamping part, 4.4, a meter rod mounting hole, 5, an adjusting nut, 6, an inner ring gasket, 7, a pressing plate, 7.1, an annular groove, 8, a compression nut, 8.1, an annular flange, 8.2, a boss, 9, a nut, 10, a nut gasket, 11, a dial indicator, 12, a meter rod, 13 and a measured bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
As shown in fig. 1-5, the bearing section height measuring instrument is characterized in that: comprises a bracket 1, a cross shaft 2, a stand column 3 and a watch frame 4; the support 1 is Z-shaped, the support 1 in the embodiment is right-angled Z-shaped and comprises a bottom plate 1.1 and a top plate 1.3 which are horizontally arranged, a side plate 1.2 is vertically arranged, and the top plate 1.3 is positioned above the bottom plate 1.1; the bottom plate 1.1, the side plate 1.2 and the top plate 1.3 are integrally arranged, the bottom plate 1.1, the side plate 1.2 and the top plate 1.3 can also be welded into a right-angle Z shape in sequence,
the transverse shaft 2 is horizontally arranged on the support 1, one end of the transverse shaft 2 is fixedly connected with the support 1, a limiting shaft shoulder 2.1 is arranged on the transverse shaft 2, the limiting shaft shoulder 2.1 is matched with an inner ring of the measured bearing 13 and used for axially positioning the measured bearing 13, an inner ring gasket 6 is sleeved on the transverse shaft 2, the inner ring gasket 6 is in clearance fit with the transverse shaft 2, the inner ring gasket 6 is matched with an inner ring of the measured bearing 13 and used for tightly pressing the measured bearing 13 at the limiting shaft shoulder 2.1, the inner ring gasket 6 is matched with the limiting shaft shoulder 2.1 to jointly position the measured bearing 13, and the inner ring gasket 6 is arranged on the transverse shaft 2 through a compression nut 8 and a pressure plate 7 which are arranged at one end of the transverse shaft 2.
The limiting shaft shoulder 2.1 in the embodiment is located at one end close to the side plate 1.2, when the limiting shaft shoulder 2.1 is used, the axial position of the inner ring of the measured bearing 13 on the transverse shaft 2 is limited by the limiting shaft shoulder 2.1, the measured bearing 13 is prevented from moving along the axial direction of the transverse shaft 2, and the inner ring gasket 6 in the embodiment is sleeved on the transverse shaft 2 and located at one end far away from the side plate 1.2.
When the bearing device is used, the measured bearing 13 is sleeved between the limiting shaft shoulder 2.1 on the transverse shaft 2 and the inner ring gasket 6, and the inner ring of the measured bearing 13 is limited on the transverse shaft 2 through the limiting shaft shoulder 2.1, the inner ring gasket 6, the compression nut 8 and the pressure plate 7. The inner ring of the measured bearing 13 is fixed, so that the measurement precision is improved.
In this embodiment, one end of the cross shaft 2 includes a step shaft 2.3 and a first threaded shaft 2.2 which are coaxially arranged, the step shaft 2.3 is inserted into a step hole on the side plate 1.2 to position the cross shaft 2 and the side plate 1.2, the first threaded shaft 2.2 passes through the step hole, a nut washer 10 and a nut 9 are arranged on the first threaded shaft 2.2, the first threaded shaft 2.2 is fixed on the side plate 1.2 through the nut 9 and the nut washer 10, it should be noted that the cross shaft 2 can also be fixed on the side plate 1.2 through welding; the other end of cross axle 2 is coaxial to be provided with second threaded shaft 2.4, clamp plate 7 cover is established on second threaded shaft 2.4, 7 one end of clamp plate with gland nut 8 is contradicted, the other end with inner circle packing ring 6 contradicts, gland nut 8 with second threaded shaft 2.4 looks adaptation.
When the bearing is used, the inner ring of the tested bearing 13 is firstly sleeved on the cross shaft 2, then the inner ring gasket 6 is sleeved on the cross shaft 2, one end of the inner ring of the tested bearing 13 is abutted against the end face of the limiting shaft shoulder 2.1, the other end of the inner ring is abutted against the end face of the inner ring gasket 6, and then the pressing plate 7 is sleeved on the second threaded shaft 2.4 and is pressed tightly through the pressing nut 8. Note that, in the present embodiment, the inner race of the measured bearing 13 is in clearance fit with the lateral shaft 2.
In order to ensure the positioning accuracy of the pressure plate 7, a boss 8.2 and an annular flange 8.1 are axially arranged on the end surface of the compression nut 8 close to one side of the pressure plate 7, the annular flange 8.1 is arranged on the outer side of the boss 8.2, the boss 8.2 is embedded in an inner hole of the pressure plate 7, and the annular flange 8.1 is embedded in an annular groove 7.1 on the pressure plate 7. The depth of the annular groove 7.1 is greater than the height of the annular flange 8.1. The boss 8.2 and the annular flange 8.1 arranged on the compression nut 8 are beneficial to preventing the pressure plate 7 from moving, and the positioning precision of the pressure plate 7 is improved.
The upright post 3 is vertically fixed on the bracket 1 and positioned above the cross shaft 2 for positioning the watch frame 4. The whole cylinder that is of stand 3 in this embodiment, the extension line of the axis of stand 3 and the extension line of the axis of cross axle 2 are perpendicular and coplane, and the one end of stand 3 is provided with linkage segment 3.1, and specific linkage segment 3.1 is the optical axis, and the other end is provided with screw thread section 3.2, be provided with the external screw thread on the screw thread section 3.2, the external screw thread can be the screw thread of rectangle screw thread, trapezoidal thread or other shapes, in this embodiment the external screw thread is the rectangle screw thread, need explain that, the external screw thread on the stand is trapezoidal thread in another embodiment of this application. The connecting section 3.1 is inserted into the first mounting hole 1.4 on the top plate 1.3 in an interference manner, and the thread section 3.2 extends in a direction far away from the bottom plate 1.1. The upright 3 in this example can also be welded to the top plate 1.3.
The gauge stand 4 is slidably sleeved on the upright post 3, the dial indicator 11 is installed on the gauge stand 4, the dial indicator 11 is located above the transverse shaft 2, and it should be noted that the gauge stand 4 in the embodiment can slide along the axis of the upright post 3 and can also rotate around the axis of the upright post 3. The table frame 4 in this embodiment includes cup joint portion 4.1, supporting part 4.2 and clamping part 4.3, and clamping part 4.3 is located the top of cup joint portion 4.1, cup joint portion 4.1 holds cylindricly, and cup joint portion 4.1 slidable cover is established on the screw thread section 3.2 on the stand 3, and the lower extreme and the 4.1 lateral walls fixed connection of cup joint portion of supporting part 4.2, upper end and clamping part 4.3 lateral walls fixed connection, supporting part 4.2 is two spinal branch vaulting poles that the interval set up. The support part 4.2 may be a single support plate. The clamping part 4.3 is cylindrical, the clamping part 4.3 is provided with a gauge rod mounting hole 4.4, the gauge rod mounting hole 4.4 comprises a through hole which is coaxial with the cylindrical clamping part 4.3 and a clamping line groove which is formed in the outer wall of one side of the through hole, a locking screw is arranged on the clamping line groove, the axis of the gauge rod mounting hole 4.4 is vertical to the axis of the upright post 3, and the dial gauge 11 is mounted on the gauge stand 4 through a gauge rod 12 and locked through the locking screw; specifically, the dial indicator 11 is installed in a clamping opening at one end of the indicator rod 12, the other end of the indicator rod 12 is fixedly installed in an indicator rod installation hole 4.4 in the indicator frame through a locking screw, and a measuring head of the dial indicator 11 is located right above the measured bearing 13.
The upright post 3 is provided with a positioning device for adjusting the position (height) of the gauge stand 4 on the upright post 3, and the positioning device is positioned below the gauge stand 4. The positioning device is an adjusting nut 5, the adjusting nut 5 is in threaded connection with the stand column 3, the adjusting nut 5 in the example is located below a sleeve joint part 4.1 of the meter frame 4, the sleeve joint part 4.1 of the meter frame 4 is slidably sleeved on a thread section 3.2 of the stand column 3, the adjusting nut 5 is provided with an internal thread matched with the external thread, and the position (height) of the meter frame 4 on the stand column 3 is adjusted by rotating and twisting the adjusting nut 5.
During measurement, a measured bearing 13 is sleeved on a cross shaft 2, the inner ring of the measured bearing 13 is in clearance fit with the cross shaft 2, the inner side of the inner ring of the measured bearing 13 is abutted against a limiting shaft shoulder 2.1, the outer side of the inner ring of the measured bearing 13 is fixed through an inner ring gasket 6, a pressing plate 7 and a compression nut 9, a dial indicator 11 is fixed on an indicator frame 4 through an indicator rod 12 and is positioned right above the measured bearing 13, a measuring rod of the dial indicator 11 is fixed in a clamping opening on the indicator rod 12, and the height of the dial indicator 11 is adjusted by adjusting an adjusting nut 5, so that a measuring head of the dial indicator 11 is in contact with the outer diameter of the outer ring of the bearing, and then the outer ring of the. And respectively measuring a plurality of measured bearings 13, recording the measurement results, and grouping the measured bearings 13 with the cross section height difference not exceeding the preset specification into one group.
Compared with the prior art, the embodiment has the beneficial effects that:
the bearing section height measuring instrument of the embodiment has a simple structure, and after the instrument is put into use, the same set of bearings repeatedly measure the numerical values unchanged, so that the accuracy of the measured numerical values is ensured; the bearing section height measuring instrument does not need repeated calibration, only uses the original 1/3 for measuring time of mass products, can realize the continuity of measurement, and greatly improves the working efficiency.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. Bearing cross-section height measuring instrument, its characterized in that: comprises a bracket, a cross shaft, a stand column and a watch frame; the cross shaft is horizontally arranged on the support, the stand column is vertically arranged on the support, the stand column is located above the cross shaft, and the gauge stand is slidably arranged on the stand column.
2. A bearing section height measuring instrument according to claim 1, wherein: the bearing section height measuring instrument further comprises a dial indicator, the dial indicator is arranged on the indicator frame, and the dial indicator is located above the transverse shaft.
3. A bearing section height measuring instrument according to claim 1, wherein: the upright post is provided with a positioning device, the positioning device is positioned below the meter frame, and the positioning device is used for adjusting the position of the meter frame on the upright post.
4. A bearing section height measuring instrument according to claim 3, wherein: the positioning device is an adjusting nut, and the adjusting nut is in threaded connection with the upright post.
5. A bearing section height measuring instrument according to claim 1, wherein: the horizontal shaft is provided with a limiting shaft shoulder, the horizontal shaft is provided with an inner ring gasket, and the inner ring gasket is arranged on the horizontal shaft through a compression nut and a pressing plate.
6. The bearing section height measuring instrument according to claim 5, wherein: the clamp comprises a clamp plate, a pressing nut and an annular groove, wherein the end face of one side of the clamp plate, close to the pressing nut, is axially provided with a boss and an annular flange, the annular flange is arranged on the outer side of the boss, the boss is embedded in an inner hole of the pressing plate, and the annular flange is embedded in an annular groove in the pressing plate.
7. A bearing section height measuring instrument according to claim 1, wherein: the support is right angle Z type, including the bottom plate and the roof of level setting, the curb plate of vertical setting, the roof is located the top of bottom plate.
8. The bearing section height measuring instrument according to claim 2, wherein: the meter frame comprises a sleeve joint part, a supporting part and a clamping part, the clamping part is positioned above the sleeve joint part, the sleeve joint part is slidably sleeved on the thread section on the stand column, the lower end of the supporting part is fixedly connected with the sleeve joint part, the upper end of the supporting part is fixedly connected with the clamping part, and the clamping part is provided with a meter rod mounting hole.
9. The bearing section height measuring instrument according to claim 8, wherein: the dial indicator is arranged on the indicator frame through the indicator rod; the dial indicator is installed at one end of the indicator rod, and the other end of the indicator rod is installed in the indicator rod installation hole.
10. The bearing section height measuring instrument according to claim 5, wherein: the one end of cross axle is including the step shaft and the first screw thread axle of coaxial setting, and the step shaft is pegged graft in the step hole on the curb plate, and first screw thread axle passes the step hole, first screw thread axle passes through the nut and the packing ring is fixed on the curb plate, the other end of cross axle is coaxial to be provided with second screw thread axle, the clamp plate cover is established on second screw thread axle, clamp plate one end with gland nut contradicts, the other end with the inner circle packing ring contradicts, gland nut with second screw thread axle looks adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110315798.9A CN112880521A (en) | 2021-03-24 | 2021-03-24 | Bearing section height measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110315798.9A CN112880521A (en) | 2021-03-24 | 2021-03-24 | Bearing section height measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112880521A true CN112880521A (en) | 2021-06-01 |
Family
ID=76042201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110315798.9A Pending CN112880521A (en) | 2021-03-24 | 2021-03-24 | Bearing section height measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112880521A (en) |
-
2021
- 2021-03-24 CN CN202110315798.9A patent/CN112880521A/en active Pending
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