CN117848199A - Axial clearance inspection instrument for vacuum pump bearing - Google Patents
Axial clearance inspection instrument for vacuum pump bearing Download PDFInfo
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- CN117848199A CN117848199A CN202410089098.6A CN202410089098A CN117848199A CN 117848199 A CN117848199 A CN 117848199A CN 202410089098 A CN202410089098 A CN 202410089098A CN 117848199 A CN117848199 A CN 117848199A
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- detection
- vacuum pump
- plate
- pump bearing
- play
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- 238000007689 inspection Methods 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 102
- 230000006698 induction Effects 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims abstract description 21
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 238000005259 measurement Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention relates to bearing clearance detection equipment, in particular to a vacuum pump bearing axial clearance inspection instrument, which comprises: a frame provided with a detection plate; the detection seat is arranged on the detection plate and is provided with a detection groove for positioning the bearing and a detection hole arranged at the bottom of the detection groove; the clearance pushing device is arranged on the detection plate and is coaxially arranged with the detection groove; the detection pressing plate is movably arranged in the detection hole and is opposite to the inner ring of the bearing and the clearance pushing device; the detection induction plate is arranged at the top of the inner ring; the detection lifting device is arranged on the frame; and the inductance measuring head is arranged on the detection lifting device and is opposite to the detection induction plate. The axial clearance inspection instrument for the vacuum pump bearing provided by the invention has the advantages of high positioning accuracy, good repeatability, convenience in operation, high readability, convenience in detection and better universality, and can directly output data through the inductance detection head.
Description
Technical Field
The invention relates to bearing clearance detection equipment, in particular to a vacuum pump bearing axial clearance inspection instrument.
Background
Because of the structural specificity of the vacuum pump, the axial clearance of the bearing directly affects the working efficiency of the equipment, so that the control of the size and consistency of the axial clearance of the bearing is extremely important, the traditional axial clearance control is generally deduced by using a radial clearance theory, and the method has larger impression of manufacturing precision and cannot be accurately controlled.
Disclosure of Invention
In order to solve the problems, the invention provides a vacuum pump bearing axial clearance inspection instrument, which comprises the following specific technical scheme:
a vacuum pump bearing axial play inspection machine, comprising: a frame provided with a detection plate; the detection seat is arranged on the detection plate and is provided with a detection groove for positioning the bearing and a detection hole arranged at the bottom of the detection groove; the clearance pushing device is arranged on the detection plate and is coaxially arranged with the detection groove; the detection pressing plate is movably arranged in the detection hole and is opposite to the inner ring of the bearing and the clearance pushing device; the detection induction plate is arranged at the top of the inner ring; the detection lifting device is arranged on the frame; and the inductance measuring head is arranged on the detection lifting device and is opposite to the detection induction plate.
Preferably, the detection pressing plate is provided with a detection positioning column for being inserted into the inner ring.
Further, a pressing boss which is arranged opposite to the clearance pushing device is arranged on the detection pressing plate.
Preferably, the detection induction plate is provided with an induction positioning column for being inserted into the inner ring.
Further, the detection induction plate is provided with an induction boss which is arranged opposite to the inductance measuring head.
Preferably, the play urging means includes a play urging linear module, a play urging electric cylinder, or a play urging air cylinder.
Preferably, the detecting lifting device comprises a detecting linear module or a detecting electric cylinder.
Preferably, the method further comprises: and the lifting seat is arranged on the detection lifting device and is connected with the inductance measuring head.
Preferably, the detecting seat is further provided with a lifting hole, the lifting hole is located between the detecting groove and the detecting hole, and the detecting pressing plate is movably inserted into the lifting hole.
Compared with the prior art, the invention has the following beneficial effects:
the axial clearance inspection instrument for the vacuum pump bearing provided by the invention has the advantages of high positioning accuracy, good repeatability, convenience in operation, high readability, convenience in detection and better universality, and can directly output data through the inductance detection head.
Drawings
FIG. 1 is a schematic structural view of the present application;
FIG. 2 is a front view of the present application;
FIG. 3 is a side view of the present application;
FIG. 4 is a schematic structural view of the test seat;
FIG. 5 is a schematic view of the structure of the detection platen;
fig. 6 is a schematic structural view of the detection sensing plate.
Detailed Description
The invention will now be further described with reference to the accompanying drawings.
As shown in fig. 1 to 6, a vacuum pump bearing axial play inspection apparatus includes a frame 1, a detection seat 2, a play pushing device 3, a detection pressing plate 4, a detection sensing plate 5, a detection lifting device 7, and an inductance measuring head 6.
The frame 1 is provided with a detection plate 11; the detection seat 2 is installed at the top of pick-up plate 11, is equipped with detection groove 21, lifting hole 23 and detection hole 22 in proper order on the detection seat 2, and detection groove 21 is the circular slot to set up with lifting hole 23 coaxial line, detection groove 21 is used for placing bearing 8, and detection groove 21 is clearance fit with bearing 8, and the clearance is about 0.05mm, guarantees the precision of location, and detection groove 21, lifting hole 23 and detection hole 22's diameter reduces in proper order, forms the shoulder hole. The clearance pushing device 3 is arranged at the bottom of the detection plate 11, the clearance pushing device 3 is provided with a pushing rod 31, and the pushing rod 31 is coaxial with the detection groove 21; the detection pressing plate 4 is movably inserted in the lifting hole 23 and is arranged opposite to the inner ring of the bearing 8 and the clearance pushing device 3, and the lifting hole 23 is used for limiting the position of the detection pressing plate 4, so that the detection pressing plate 4 lifts along the axis and is arranged opposite to the inner ring, and the detection pressing plate can be completely abutted to the end face of the inner ring. The detection sensing plate 5 is placed on top of the inner ring and is arranged opposite to the inductance measuring head 6. The detection lifting device 7 is arranged on the frame 1 and connected with the inductance measuring head 6 and used for driving the inductance measuring head 6 to lift, thereby facilitating the loading and unloading of the bearing 8.
The both ends that detect clamp plate 4 are equipped with respectively detect reference column 41 and compress tightly boss 42, detect reference column 41 and be used for inserting in the inner circle to be about 0.05mm with the clearance between the inner circle, can realize accurate location, detect reference column 41 and make detect clamp plate 4 and the setting of inner circle coaxial line, and then can the atress even when making the inner circle receive ascending pressure, avoid taking place phenomenon such as skew and influence measuring precision and accuracy. The pressing boss 42 is arranged opposite to the pushing rod 31, and the pressing boss 42 needs higher flatness for ensuring the accuracy of detection, so that the pressing boss 42 can reduce the processing area and is convenient to process.
The two ends of the detection induction plate 5 are respectively provided with an induction positioning column 51 and an induction boss 52, the induction positioning column 51 is used for being inserted into the inner ring, and the induction boss 52 is arranged opposite to the induction measuring head 6. The induction positioning column 51 enables the detection induction plate 5 to completely cover the inner ring, and accuracy of detection is improved.
The lash pushing device 3 includes a lash pushing linear die set, a lash pushing electric cylinder, or a lash pushing cylinder. When the air cylinder is pushed by the clearance, the air pressure is used for adjusting the measuring force, so that the loading is stable and the operation is convenient.
The detecting lifting device 7 comprises a detecting linear module or a detecting electric cylinder. The slip table of detection straight line module is connected with lift seat 71, and lift seat 71 is connected with inductance measurement head 6.
The precise inductance measuring head 6 can detect the displacement of the inner ring of the bearing 8, can directly output a play value, and has high readability; each measurement tool is detachable, has good universality, and meets the requirements of measurement of bearings 8 of different types.
The bearing 8 is positioned mechanically, and the positioning precision is high and the repeatability is good.
During detection, a proper detection seat 2, a detection induction plate 5 and a detection pressing plate 4 are selected, the detection seat 2 is installed on the detection plate 11, the inductance measuring head 6 is firstly lifted to a certain height through the detection lifting device 7, then the bearing 8 is inserted into the detection groove 21, the detection induction plate 5 is inserted into the top of the inner ring, then the inductance measuring head 6 is driven to be tightly pressed on the detection induction plate 5 through the detection lifting device 7, the indication of the inductance measuring head 6 is cleared, the clearance pushing cylinder is started, the clearance pushing cylinder drives the pushing rod 31 to be tightly pressed on the pressing boss 42 of the detection pressing plate 4, the clearance pushing cylinder pushes the inner ring to move upwards, the inner ring of the detected bearing 8 is lifted to the upper limit, at the moment, the indication of the inductance measuring head 6 is the axial clearance value of the bearing 8, and the measurement is repeated for several times until the measurement data is stable, and the measurement can be completed.
The axial clearance measuring device can well solve the problem of axial clearance measurement, has high measuring precision and simple operation, and is suitable for production process and finished product quality inspection.
The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will occur to those skilled in the art from consideration of the specification and practice of the invention without the need for inventive faculty, and are within the scope of the claims.
Claims (9)
1. The utility model provides a vacuum pump bearing axial play inspection appearance which characterized in that includes:
a frame (1) provided with a detection plate (11);
the detection seat (2) is arranged on the detection plate (11) and is provided with a detection groove (21) for positioning the bearing (8) and a detection hole (22) arranged at the bottom of the detection groove (21);
a play pushing device (3) which is arranged on the detection plate (11) and is arranged coaxially with the detection groove (21);
the detection pressing plate (4) is movably arranged in the detection hole (22) and is arranged opposite to the inner ring of the bearing (8) and the clearance pushing device (3);
the detection induction plate (5) is arranged at the top of the inner ring;
the detection lifting device (7) is arranged on the frame (1); and
and the inductance measuring head (6) is arranged on the detection lifting device (7) and is opposite to the detection induction plate (5).
2. A vacuum pump bearing axial play inspection machine according to claim 1, characterized in that the inspection platen (4) is provided with inspection locating posts (41) for insertion into the inner ring.
3. The vacuum pump bearing axial play inspector according to claim 2, wherein a pressing boss (42) arranged opposite to the play pushing device (3) is arranged on the detection pressing plate (4).
4. A vacuum pump bearing axial play inspection apparatus according to claim 1, characterized in that the detection sensing plate (5) is provided with a sensing positioning post (51) for insertion into the inner ring.
5. The vacuum pump bearing axial play inspection machine according to claim 4, characterized in that the detection sensing plate (5) is provided with a sensing boss (52) arranged opposite to the inductance measuring head (6).
6. A vacuum pump bearing axial play inspector according to claim 1, wherein said play pushing means (3) comprises a play pushing linear module, a play pushing electric cylinder or a play pushing air cylinder.
7. A vacuum pump bearing axial play inspection machine according to claim 1, characterized in that the detection lifting device (7) comprises a detection linear module or a detection electric cylinder.
8. The vacuum pump bearing axial play tester of claim 1, further comprising: and the lifting seat (71) is arranged on the detection lifting device (7) and is connected with the inductance measuring head (6).
9. The vacuum pump bearing axial play checking instrument according to claim 1, wherein the detecting seat (2) is further provided with a lifting hole (23), the lifting hole (23) is located between the detecting groove (21) and the detecting hole (22), and the detecting pressing plate (4) is movably inserted into the lifting hole (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410089098.6A CN117848199A (en) | 2024-01-22 | 2024-01-22 | Axial clearance inspection instrument for vacuum pump bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410089098.6A CN117848199A (en) | 2024-01-22 | 2024-01-22 | Axial clearance inspection instrument for vacuum pump bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117848199A true CN117848199A (en) | 2024-04-09 |
Family
ID=90544163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410089098.6A Pending CN117848199A (en) | 2024-01-22 | 2024-01-22 | Axial clearance inspection instrument for vacuum pump bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117848199A (en) |
-
2024
- 2024-01-22 CN CN202410089098.6A patent/CN117848199A/en active Pending
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