CN219474957U - Swing test device for sliding block type shock absorber bearing - Google Patents
Swing test device for sliding block type shock absorber bearing Download PDFInfo
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- CN219474957U CN219474957U CN202320538236.5U CN202320538236U CN219474957U CN 219474957 U CN219474957 U CN 219474957U CN 202320538236 U CN202320538236 U CN 202320538236U CN 219474957 U CN219474957 U CN 219474957U
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- shock absorber
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model provides a sliding block type shock absorber bearing swinging test device which comprises an equipment fixing disc and an axial loading rod fixedly connected with the equipment fixing disc, wherein one end of the axial loading rod is connected with a test tool through a connector, the equipment fixing disc is matched with the axial loading rod to axially load the test tool, the test tool comprises a bearing connecting assembly and a radial loading component for radially loading the bearing connecting assembly, an adjusting piece is arranged on the radial loading component, the adjusting piece is used for adjusting the radial loading force of the radial loading component to the bearing connecting assembly, the test tool is connected with the equipment swinging disc relative to one end of the connector, and the equipment swinging disc is connected with a main shaft at the lower end of test equipment, so that swinging movement is realized, and loading requirements of different sizes of bearings can be met. The tool is simple in structure and convenient to operate, and bearing swing tests are better conducted.
Description
Technical Field
The utility model relates to a swing test device for a sliding block type shock absorber bearing.
Background
The automobile shock absorber makes the vibration of the frame and the automobile body fast attenuated, and the automobile suspension system is generally provided with shock absorber, and the automobile has two-way cylinder shock absorber, which is one easy-to-wear part in the use process of automobile and has excellent running stability and other parts life.
The shock absorber bearing comprises a bearing upper cover, a bearing lower cover, a retainer and balls, wherein sealing lips are arranged at the inner diameter end and the outer diameter end of the bearing upper cover, a plurality of protrusions along the axial direction are uniformly formed on the inner edge of the bearing upper cover in the axial direction, and the shock absorber can deform and lose efficacy due to the fact that the shock absorber continuously bears larger load in the long-time use process. Along with the improvement of the living standard of people, the damping technology of the automobile is also greatly improved, so that more and more automobile manufacturers have higher requirements on the service life of the shock absorber bearing in the development process of the shock absorber bearing, so that the service life condition of the shock absorber bearing is checked, but the swing test of the shock absorber bearing is difficult to carry out under the condition of simultaneously carrying out axial loading and radial loading at present, and the real and effective test result cannot be well obtained due to the fact that the limitation of the conventional test means is larger, and the requirements of customers cannot be met.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a sliding block type shock absorber bearing swing test device.
In order to achieve the above purpose, the utility model provides a sliding block type shock absorber bearing swinging test device, which comprises a device fixing disc and an axial loading rod fixedly connected with the device fixing disc, wherein one end of the axial loading rod is connected with a test tool through a connector, the device fixing disc and the axial loading rod are matched to carry out axial loading on the test tool, the test tool comprises a bearing connecting assembly and a radial loading component for carrying out radial loading on the bearing connecting assembly, an adjusting piece is arranged on the radial loading component, the adjusting piece is used for adjusting the radial loading force of the radial loading component on the bearing connecting assembly, the test tool is connected with a device swinging disc relative to one end of the device fixing disc, and the device swinging disc is connected with a main shaft at the lower end of test equipment to realize swinging motion.
The beneficial effects of the utility model are as follows: according to the structure, the bearing connecting assembly of the test tool is matched with the radial loading component for carrying out radial loading on the bearing connecting assembly, the equipment fixing disc and the axial loading rod carry out axial loading on the bearing connecting assembly through the connector, the test tool is connected with the equipment swinging disc relative to one end provided with the connector, the equipment swinging disc can carry out swinging test under the condition that the bearing connecting assembly is subjected to axial loading and radial loading simultaneously, meanwhile, different radial loading forces can be regulated on the bearing connecting assembly through the regulating piece, swinging tests of different axial and radial loads can be carried out on the bearing connecting assembly, and loading requirements of different sizes of bearings can be met. The tool is simple in structure and convenient to operate, and bearing swing tests are better conducted.
Further, the bearing connecting assembly comprises an upper connecting seat matched with an upper cover of the shock absorber bearing and a lower connecting seat matched with the upper connecting seat to install the shock absorber bearing, the lower connecting seat is matched with a lower cover of the shock absorber bearing, an upper sliding table is arranged between the upper connecting seat and the connector, the lower connecting seat is provided with a positioning mechanism, the positioning mechanism comprises positioning grooves and stop keys, the positioning grooves are axially distributed in the peripheral wall of the lower connecting seat, and the stop keys are matched with the positioning grooves and the stop keys to position and stop rotation.
Through adopting above-mentioned technical scheme, go up connecting seat and lower connecting seat cooperation and carry out the installation of the upper cover and the lower cover of shock absorber bearing, go up the slip table and can be driven by the regulating part, and then produce radial force through the reaction force with last connecting seat between to make and go up the connecting seat and carry out radial loading to the shock absorber bearing, positioning mechanism can fix a position down connecting seat and installation, and can be through the cooperation of grafting of stop key and constant head tank in order to form the anti-rotation of shock absorber bearing lower cover, make keep relative position between shock absorber bearing lower cover and the upper cover, thereby make the shock absorber bearing carry out the swing test under stable condition.
Further, the radial loading part comprises a baffle and a fixed plate which are connected with the upper connecting seat, a screw is arranged on the fixed plate, one end of the screw is in plug-in connection with the upper sliding table, the adjusting piece is an adjusting nut arranged at the other end of the screw, a spring is arranged between the adjusting nut and the outer wall of the fixed plate, and the screw generates radial force on the upper sliding table through compressing or extending the spring so as to form radial loading on the bearing connecting assembly.
Through adopting above-mentioned technical scheme, through the baffle of being connected with last connecting seat, fixed plate and set up the screw rod cooperation that sets up on the fixed plate and carry out radial loading, the spring between adjusting nut and the fixed plate that the other end of screw rod set up can compress or stretch out and carry out radial loading to last slip table, goes up slip table and last connecting seat and produces radial relative trend of sliding to carry out radial loading to last connecting seat through the drive slip table and carry out the reaction force, form the radial loading to the bearing.
Further, a mandrel for the fit and insertion of the bearing upper cover is arranged between the upper connecting seat and the bearing upper cover, a plurality of grooves are formed in the peripheral wall of the mandrel, and the grooves are matched and inserted with the inner edge protrusions of the bearing upper cover to form rotation stopping of the mandrel and the bearing upper cover.
Through adopting above-mentioned technical scheme, recess and the protruding adaptation grafting of the inner edge of bearing upper cover of dabber periphery can form the anti-rotation between bearing upper cover and the last connecting seat, and cooperation stop key and constant head tank are to the anti-rotation of lower cover carry out the anti-rotation of whole shock absorber bearing, prevent that the bearing can not produce rotation skew with the lower cover when swing test, improve experimental precision and effect.
Further, a plurality of rolling needles are clamped between the upper sliding table and the upper connecting seat, and the radial directions of the rolling needles are consistent with the adjusting direction of the adjusting nut.
Through adopting above-mentioned technical scheme, go up slip table and go up the kingpin cooperation adjusting nut that the connecting seat presss from both sides and carry out radial loading to last connecting seat, reduce friction when last connecting seat and last slip table produce relative slip trend for radial loading is more stable and can not lose.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an explosion structure in an embodiment of the present utility model;
fig. 3 is a schematic cross-sectional view of an embodiment of the present utility model.
Detailed Description
Embodiments of the utility model are further described below with reference to the accompanying drawings: as shown in fig. 1-3, the swing test device for the sliding block type shock absorber bearing comprises a device fixing disc 1 and an axial loading rod 2 fixedly connected with the device fixing disc 1, one end of the axial loading rod 2 is connected with a test tool 4 through a connector 3, the device fixing disc 1 and the axial loading rod 2 are matched to axially load the test tool 4, the test tool 4 comprises a bearing connecting assembly and a radial loading part 5 for radially loading the bearing connecting assembly, an adjusting part 6 is arranged on the radial loading part 5, the radial loading force of the radial loading part 5 on the bearing connecting assembly is adjusted by the adjusting part 6, the test tool 4 is connected with a device swinging disc 7 relative to one end provided with the connector 3, and the device swinging disc 7 is connected with a main shaft at the lower end of test equipment to realize swinging motion.
The bearing connecting assembly comprises an upper connecting seat 8 which is matched with an upper cover of the shock absorber bearing and a lower connecting seat 9 which is matched with the upper connecting seat 8 to install the shock absorber bearing, the lower connecting seat 9 is matched with a lower cover of the shock absorber bearing, an upper sliding table 10 is arranged between the upper connecting seat 8 and the connector 3, the lower connecting seat 9 is provided with a positioning mechanism, the positioning mechanism comprises positioning grooves 11 which are axially distributed on the peripheral wall of the lower connecting seat 9 and stop keys 12 which are matched with the positioning grooves 11, and the positioning grooves 11 are matched with the stop keys 12 to position and stop rotation.
The adjusting piece 6 comprises a baffle 13 and a fixed plate 14 which are connected with the upper connecting seat 8, a screw rod 15 is arranged on the fixed plate 14, one end of the screw rod 15 is in plug-in fit with the upper sliding table 10, an adjusting nut 16 is arranged at the other end of the screw rod 15, a spring 17 is arranged between the adjusting nut 16 and the outer wall of the fixed plate 14 by the screw rod 15, and radial force is generated on the upper sliding table 10 by compressing or extending the spring 17 so as to form radial loading of the bearing connecting assembly.
A mandrel 18 for the fit and insertion of the bearing upper cover is arranged between the upper connecting seat 8 and the bearing upper cover, a plurality of grooves 19 are formed in the peripheral wall of the mandrel 18, and the grooves 19 are fit and inserted with the inner edge protrusions of the bearing upper cover to form a rotation stop of the mandrel 18 and the bearing upper cover.
A plurality of needle rollers 20 are clamped between the upper sliding table 10 and the upper connecting seat 8, and the radial directions of the needle rollers 20 are consistent with the adjusting direction of the adjusting nut 16.
The compression degree of the spring is adjusted through the rotation adjusting nut, the elastic force generated by the extension or shortening of the spring enables the upper sliding table to generate relative movement trend, so that the upper connecting seat bears radial load through the reaction force of the baffle plate fixed with the upper connecting seat and the fixing plate, and then axial load to the bearing is carried out through the equipment fixing disc and the axial loading rod fixedly connected with the equipment fixing disc, so that the bearing can carry out swing test under the action of the radial load and the axial load.
The above embodiment is only one of the preferred embodiments of the present utility model, and common changes and substitutions made by those skilled in the art within the scope of the technical solution of the present utility model are included in the scope of the present utility model.
Claims (5)
1. A slider formula shock absorber bearing swing test device, its characterized in that: the device comprises a device fixing plate and an axial loading rod fixedly connected with the device fixing plate, wherein one end of the axial loading rod is connected with a test tool through a connector, the device fixing plate is matched with the axial loading rod to axially load the test tool, the test tool comprises a bearing connecting assembly and a radial loading component for radially loading the bearing connecting assembly, an adjusting piece is arranged on the radial loading component, the adjusting piece is used for adjusting the radial loading force of the radial loading component on the bearing connecting assembly, the test tool is connected with a device swinging plate relative to one end of the connector, and the device swinging plate is connected with a lower end main shaft of test equipment to realize swinging motion.
2. The apparatus for testing the oscillation of a sliding block type damper bearing according to claim 1, wherein: the bearing connecting assembly comprises an upper connecting seat matched with an upper cover of the shock absorber bearing and a lower connecting seat matched with the upper connecting seat to install the shock absorber bearing, the lower connecting seat is matched with a lower cover of the shock absorber bearing, an upper sliding table is arranged between the upper connecting seat and the connector, the lower connecting seat is provided with a positioning mechanism, the positioning mechanism comprises positioning grooves and stop keys, the positioning grooves are axially distributed in the peripheral wall of the lower connecting seat, and the stop keys are matched with the positioning grooves and the stop keys to position and stop rotation.
3. The apparatus for testing the oscillation of a sliding block type damper bearing according to claim 2, wherein: the radial loading part comprises a baffle and a fixed plate which are connected with the upper connecting seat, a screw is arranged on the fixed plate, one end of the screw is in plug-in connection with the upper sliding table, the adjusting piece is an adjusting nut arranged at the other end of the screw, a spring is arranged between the adjusting nut and the outer wall of the fixed plate, and the screw generates radial force on the upper sliding table through compression or extension of the spring so as to form radial loading on the bearing connecting assembly.
4. A slider type shock absorber bearing oscillation test apparatus according to claim 2 or 3, wherein: the bearing upper cover is characterized in that a mandrel for the fit and insertion of the bearing upper cover is arranged between the upper connecting seat and the bearing upper cover, a plurality of grooves are formed in the peripheral wall of the mandrel, and the grooves are matched and inserted with the inner edge protrusions of the bearing upper cover to form rotation stopping of the mandrel and the bearing upper cover.
5. A slider type shock absorber bearing oscillation test apparatus according to claim 3, wherein: and a plurality of rolling needles are clamped between the upper sliding table and the upper connecting seat, and the radial directions of the rolling needles are consistent with the adjusting direction of the adjusting nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320538236.5U CN219474957U (en) | 2023-03-14 | 2023-03-14 | Swing test device for sliding block type shock absorber bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320538236.5U CN219474957U (en) | 2023-03-14 | 2023-03-14 | Swing test device for sliding block type shock absorber bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219474957U true CN219474957U (en) | 2023-08-04 |
Family
ID=87464671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320538236.5U Active CN219474957U (en) | 2023-03-14 | 2023-03-14 | Swing test device for sliding block type shock absorber bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219474957U (en) |
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2023
- 2023-03-14 CN CN202320538236.5U patent/CN219474957U/en active Active
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