CN217304305U - Two-stage air suspension centrifugal air compressor bearing rigidity inspection device - Google Patents
Two-stage air suspension centrifugal air compressor bearing rigidity inspection device Download PDFInfo
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- CN217304305U CN217304305U CN202220314205.7U CN202220314205U CN217304305U CN 217304305 U CN217304305 U CN 217304305U CN 202220314205 U CN202220314205 U CN 202220314205U CN 217304305 U CN217304305 U CN 217304305U
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Abstract
The utility model relates to a bearing detection technical field specifically discloses a two-stage gas suspension centrifugal air compressor bearing rigidity verifying attachment, including amesdial seat, amesdial, displacement measuring rod, biasing mechanism and measured bearing installation piece, the amesdial is installed on the amesdial seat, biasing mechanism includes base, elevating system, manometer and briquetting, elevating system installs on the base, the manometer passes through the connecting seat to be installed on elevating system, the briquetting is fixed in the bottom of manometer; the measured bearing mounting block is mounted on the base and used for mounting the measured bearing, one end of the displacement measuring rod detects the measured bearing, and the other end of the displacement measuring rod is connected with the dial indicator through the adapter. The utility model discloses verifying attachment carries out bearing rigidity check-up through the mode of exerting pressure and by the amesdial reading, can effectively detect whether bearing rigidity satisfies design and assembly requirement, ensures product quality, improves and produces property ability.
Description
Technical Field
The utility model relates to a bearing detects technical field, specifically is a centrifugal air compressor bearing rigidity verifying attachment of two-stage gas suspension.
Background
The two-stage air suspension centrifugal air compressor adopts an air suspension air bearing, the air suspension air bearing is provided with a radial bearing and a thrust bearing, axial and radial bidirectional support is realized by utilizing air elastic potential energy, and the air suspension centrifugal air compressor is a core component of the air suspension centrifugal air compressor. The bearing rigidity is an important index for detecting the air suspension air bearing, and has guiding significance for bearing structure design and bearing service life improvement. It is necessary to design a testing device for effectively testing the rigidity of the bearing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a to the effectual verifying attachment of bearing rigidity detection design to confirm whether bearing rigidity satisfies the working property requirement.
In order to achieve the purpose, the utility model provides a two-stage air suspension centrifugal air compressor bearing rigidity inspection device, including amesdial seat, amesdial, displacement measuring rod, biasing mechanism and measured bearing installation piece, the amesdial is installed on the amesdial seat, biasing mechanism includes base, elevating system, manometer and briquetting, elevating system installs on the base, the manometer passes through the connecting seat to be installed on the elevating system, the briquetting is fixed in the bottom of manometer;
the measured bearing mounting block is mounted on the base and used for mounting a measured bearing, one end of the displacement measuring rod detects the measured bearing, and the other end of the displacement measuring rod is connected with the dial indicator through a conversion joint; during measurement, the lifting mechanism drives the pressure gauge to move downwards, and the pressing block at the bottom of the pressure gauge presses the bearing to be measured.
Further, elevating system includes lift driving motor and lead screw, the bottom of lead screw with lift driving motor connects, and the top is provided with keeps off the seat, the connecting seat cover is established on the lead screw.
Furthermore, guide posts are respectively arranged on two sides of the screw rod, the upper ends of the two guide posts are fixed on the blocking seat, and the lower ends of the two guide posts are fixed on the lifting driving motor.
Furthermore, the measured bearing is a radial bearing, the measured bearing mounting block is a V-shaped block, the radial bearing is mounted on the V-shaped block, a shaft core is arranged at the center of the radial bearing, and the displacement measuring rod and the pressing block are respectively pressed on the circumferential surface of the radial bearing.
Furthermore, the measured bearing is a thrust bearing, the measured bearing mounting block is a pressure plate, the thrust bearing is placed on the pressure plate, the pressure block is pressed on the thrust bearing, and the displacement measuring rod is pressed on the pressure block.
Further, the displacement measuring rod is horizontally arranged.
Furthermore, the dial indicator seat comprises a bottom plate, a supporting column and a dial indicator fixing frame, the supporting column is vertically installed on the bottom plate, the dial indicator fixing frame is arranged on the supporting column and is in adjustable connection with the supporting column, and the dial indicator is arranged on the dial indicator fixing frame.
The beneficial effects of the utility model are that: the utility model discloses verifying attachment compares with the numerical value of standard again through the mode of exerting pressure and by the amesdial reading to confirm whether bearing rigidity is in qualified scope, can effectively detect whether bearing rigidity satisfies design and assembly requirement, guarantee product quality improves and produces the property ability.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of an embodiment of the present invention;
fig. 2 is a left side view of an embodiment of the present invention;
FIG. 3 is a front view of another embodiment of the present invention;
fig. 4 is a left side view of another embodiment of the present invention;
in the figure: 1-dial gauge seat, 2-dial gauge, 3-displacement measuring rod, 4-measured bearing mounting block, 5-measured bearing, 6-base, 7-connecting seat, 8-pressure gauge, 9-pressing block, 10-lifting driving motor, 11-lead screw, 12-baffle seat, 13-guide column, 14-conversion joint and 15-shaft core.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The utility model discloses a in a concrete embodiment, as shown in FIG. 1 to FIG. 2, a centrifugal air compressor bearing rigidity verifying attachment of two-stage gas suspension, include amesdial seat 1, amesdial 2, displacement measurement pole 3, biasing mechanism and by measuring bearing installation piece 4, amesdial 2 is installed on the amesdial seat 1, amesdial seat 1 includes bottom plate, pillar, amesdial mount, the pillar is installed perpendicularly on the bottom plate, the amesdial mount sets up on the pillar and with adjustable connection between the pillar, amesdial 2 sets up on the amesdial mount.
The pressing mechanism comprises a base 6, a lifting mechanism, a pressure gauge 8 and a pressing block 9, the lifting mechanism is installed on the base 6, the pressure gauge 8 is installed on the lifting mechanism through a connecting seat 7, the lifting mechanism comprises a lifting driving motor 10 and a lead screw 11, the bottom end of the lead screw 11 is connected with the lifting driving motor 10, a blocking seat 12 is arranged at the top end of the lead screw, and the connecting seat 7 is sleeved on the lead screw 11. Guide posts 13 for guiding the connecting seat 7 are respectively arranged on two sides of the lead screw 11, the upper ends of the two guide posts 13 are fixed on the blocking seat 12, and the lower ends of the two guide posts 13 are fixed on the lifting driving motor 10. The pressing block 9 is fixed at the bottom of the pressure gauge 8;
the measured bearing installation block 4 is installed on the base 6, the measured bearing installation block 4 is used for installing a measured bearing 5, the measured bearing 5 is a radial bearing, the measured bearing installation block 4 is a V-shaped block, the radial bearing is installed on the V-shaped block, and a shaft core 15 is arranged at the center of the radial bearing. The displacement measuring rod 3 is horizontally arranged. One end of the displacement measuring rod 3 is pressed on the circumferential surface of the radial bearing, and the other end of the displacement measuring rod is connected with the dial indicator 2 through a conversion joint 14; during measurement, the lifting mechanism drives the pressure gauge 8 to move downwards, and the pressing block 9 at the bottom of the pressure gauge 8 presses the bearing 5 to be measured.
The radial bearing of the present embodiment is tested by the following process: the method comprises the following steps of sleeving a radial bearing on a shaft core 15, then placing the shaft core on a V-shaped block, adjusting a displacement measuring rod 3 to the circumferential surface of the radial bearing, starting a lifting driving motor 10, driving a pressure gauge 8 to move downwards by the lifting driving motor 10, applying pre-pressure to the surface of the radial bearing, namely pressing a pressing block on the circumferential surface of the radial bearing, calibrating zero to the pressure gauge, and applying a set of standard pressure to the radial bearing after zero calibration is completed: for example, 5N, 10N, 30N, 50N, and 100N, respectively reading the displacement numbers on the dial indicator, comparing the read values with standard values obtained by a bearing stiffness calculation formula (the bearing stiffness is equal to the ratio of the pressure variation to the displacement variation), and if the deviation is within the range of 0 to 0.5, indicating that the radial bearing stiffness is qualified.
In another embodiment of the present invention, as shown in fig. 3 to fig. 4, the difference from the embodiment is that the measured bearing 5 is a thrust bearing, the measured bearing installation block 4 is a pressure plate, the thrust bearing is placed on the pressure plate through a positioning seat, the pressing block 9 is pressed on the thrust bearing, and the displacement measuring rod 3 is pressed on the pressing block 9.
The test process of the thrust bearing of the embodiment is as follows: after fixing the thrust bearing on the positioning seat, place on the pressure disk, the thrust bearing hole aligns the positioning seat, puts the displacement measurement pole on the briquetting surface, starts lift driving motor 10, and lift driving motor 10 drives manometer 8 and moves down, applys the precompression to the thrust bearing shell fragment, promptly, to amesdial zero calibration, after the zero calibration is accomplished, applys a set of standard pressure to the thrust bearing shell fragment: for example, 5N, 10N, 15N, 30N, and 40N, different displacement numbers are read, the read values are compared with standard values obtained by a bearing stiffness calculation formula (the bearing stiffness is equal to the ratio of the pressure variation to the displacement variation), and if the deviation is within the range of 0 to 0.1, the thrust bearing stiffness is qualified.
The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the invention, which is defined by the claims and their equivalents.
Claims (7)
1. The bearing rigidity inspection device of the two-stage air suspension centrifugal air compressor is characterized by comprising a dial gauge seat (1), a dial gauge (2), a displacement measuring rod (3), a pressure applying mechanism and a tested bearing mounting block (4), wherein the dial gauge (2) is mounted on the dial gauge seat (1), the pressure applying mechanism comprises a base (6), a lifting mechanism, a pressure gauge (8) and a pressing block (9), the lifting mechanism is mounted on the base (6), the pressure gauge (8) is mounted on the lifting mechanism through a connecting seat (7), and the pressing block (9) is fixed at the bottom of the pressure gauge (8);
the measured bearing mounting block (4) is mounted on the base (6), the measured bearing mounting block (4) is used for mounting a measured bearing (5), one end of the displacement measuring rod (3) detects the measured bearing (5), and the other end of the displacement measuring rod is connected with the dial indicator (2) through a conversion joint (14); during measurement, the lifting mechanism drives the pressure gauge (8) to move downwards, and the pressing block (9) at the bottom of the pressure gauge (8) presses the bearing (5) to be measured.
2. The device for testing the bearing rigidity of the two-stage air suspension centrifugal air compressor is characterized in that the lifting mechanism comprises a lifting driving motor (10) and a lead screw (11), the bottom end of the lead screw (11) is connected with the lifting driving motor (10), the top end of the lead screw is provided with a stop seat (12), and the connecting seat (7) is sleeved on the lead screw (11).
3. A two-stage air-suspension centrifugal air compressor bearing rigidity testing device according to claim 2, characterized in that two sides of the screw rod (11) are respectively provided with a guide column (13), the upper ends of the two guide columns (13) are fixed on the baffle seat (12), and the lower ends are fixed on the lifting driving motor (10).
4. A bearing rigidity test device for a two-stage air-suspending centrifugal air compressor according to claim 1 or 3, characterized in that the tested bearing (5) is a radial bearing, the tested bearing mounting block (4) is a V-shaped block, the radial bearing is mounted on the V-shaped block, a shaft core (15) is arranged at the center of the radial bearing, and the displacement measuring rod (3) and the pressure block (9) are respectively pressed on the circumferential surface of the radial bearing.
5. A two-stage air-suspension centrifugal air compressor bearing rigidity inspection device according to claim 1 or 3, characterized in that the bearing (5) to be inspected is a thrust bearing, the bearing mounting block (4) to be inspected is a pressure plate, the thrust bearing is placed on the pressure plate, the pressure block (9) is pressed on the thrust bearing, and the displacement measuring rod (3) is pressed on the pressure block (9).
6. A two-stage air-suspension centrifugal air compressor bearing stiffness test device according to claim 1, characterized in that the displacement measuring rod (3) is horizontally arranged.
7. The two-stage air suspension centrifugal air compressor bearing rigidity inspection device according to claim 1, characterized in that the dial indicator seat (1) comprises a bottom plate, a pillar and a dial indicator fixing frame, the pillar is vertically installed on the bottom plate, the dial indicator fixing frame is arranged on the pillar and is in adjustable connection with the pillar, and the dial indicator (2) is arranged on the dial indicator fixing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220314205.7U CN217304305U (en) | 2022-02-17 | 2022-02-17 | Two-stage air suspension centrifugal air compressor bearing rigidity inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220314205.7U CN217304305U (en) | 2022-02-17 | 2022-02-17 | Two-stage air suspension centrifugal air compressor bearing rigidity inspection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217304305U true CN217304305U (en) | 2022-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220314205.7U Active CN217304305U (en) | 2022-02-17 | 2022-02-17 | Two-stage air suspension centrifugal air compressor bearing rigidity inspection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN217304305U (en) |
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2022
- 2022-02-17 CN CN202220314205.7U patent/CN217304305U/en active Active
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