CN219265701U - Friction moment testing device for tapered roller bearing - Google Patents
Friction moment testing device for tapered roller bearing Download PDFInfo
- Publication number
- CN219265701U CN219265701U CN202320255331.4U CN202320255331U CN219265701U CN 219265701 U CN219265701 U CN 219265701U CN 202320255331 U CN202320255331 U CN 202320255331U CN 219265701 U CN219265701 U CN 219265701U
- Authority
- CN
- China
- Prior art keywords
- tapered roller
- measuring
- piece
- roller bearings
- friction torque
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model provides a friction torque testing device for a tapered roller bearing, wherein a measuring piece for measuring friction torque is arranged on a mandrel in a matched manner with the tapered roller bearing, the measuring piece is arranged corresponding to the outer ring of the tapered roller bearing, one end of the mandrel extends out of a supporting part and forms a driving part which is arranged with a driving source, a locking piece for locking the tapered roller bearing to be tested is coaxially arranged at one end of the mandrel far away from the driving part, a gasket for pressurizing the inner ring of the bearing to be tested in a matched manner with the locking piece is coaxially arranged on the mandrel, a pressure sensor for measuring locking strength is arranged between the gasket and the locking piece, a force sensor pull rod is arranged on the outer peripheral wall of the measuring piece along the radial direction of the mandrel, and the force sensor pull rod is used for measuring the friction torque generated by the outer ring in the corresponding manner in the rotating process of the inner ring, so that the installation and detachment effects are improved, the measuring efficiency is improved, the structure is simple, and the use is reliable.
Description
Technical Field
The utility model relates to a friction torque testing device for a tapered roller bearing.
Background
Friction torque is an important parameter of rolling bearings, which is an important factor affecting the reliability and accuracy of the host system, especially for bearings with extremely high sensitivity requirements, such as: gyroscope bearings, satellite despin antenna bearings, launch vehicle bearings, flying platform bearings, etc., which typically have friction torque requirements due to the particularities of the operating conditions.
Conical bearings are required to reduce the moment created by friction as a critical component of axle rotation. Many working conditions of the bearings are matched, the moment test of the bearings is limited to the moment test of single-row bearings at present, and the actual working conditions of the bearings cannot be simulated, so that the test distortion is caused, and the friction moment test device of the tapered roller bearings matched back to back is lacking in the market at present.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a friction torque testing device for a tapered roller bearing.
In order to achieve the above purpose, the utility model provides a friction torque testing device for tapered roller bearings, comprising a supporting base and two supporting parts arranged on the supporting base, wherein the two supporting parts are matched and supported and provided with mandrels for installing two rows of tapered roller bearings back to back, the mandrels are matched with the tapered roller bearings and provided with measuring parts for measuring friction torque, the measuring parts are arranged corresponding to the outer rings of the tapered roller bearings, one ends of the mandrels extend out of the supporting parts and form driving parts arranged with driving sources, one ends of the mandrels far away from the driving parts are coaxially provided with locking parts for locking the tapered roller bearings to be tested, the mandrels are coaxially provided with gaskets matched with the locking parts for pressurizing the inner rings of the bearings to be tested, pressure sensors for measuring locking strength are arranged between the gaskets and the locking parts, the outer peripheral walls of the measuring parts are provided with force sensor pull rods along the radial direction of the mandrels, and the force sensor pull rods measure friction torque correspondingly generated by the outer rings in the rotation process of the inner rings.
The beneficial effects of the utility model are as follows: according to the utility model, two rows of tapered roller bearings back to back are installed through the two measuring pieces and the mandrel, the driving part of the mandrel is provided with the driving source, the driving source drives the mandrel to rotate, the outer ring of the tapered roller bearing is fixed, the inner ring is driven by the mandrel to rotate, the mandrel can measure the friction moment of the bearing in the rotating process and the starting rotating process, the force sensor pull rod connected with the measuring piece can press or decompress the bearing by screwing in and unscrewing the locking piece, so that different locking forces are provided, the locking piece is tightly attached to the gasket, the axial pressure is applied, the pressure sensor between the locking piece and the gasket can clearly know the magnitude of the pressure, the axial load simulation of the tapered roller bearing in two rows back to back is conveniently achieved, the friction moment test of the tapered roller bearing can be stably measured, the measuring device for conveniently measuring the friction moment can provide different locking forces to test the friction moment, the measuring efficiency is improved, and the structure is simple and the use is reliable.
Further, the outer peripheral wall of the measuring piece is subjected to cutting treatment, a cutting portion of the outer peripheral wall of the measuring piece forms a connection plane, a connection part is connected to the connection plane, and the force sensor pull rod is connected to the connection part.
Through adopting above-mentioned technical scheme, cutting through the peripheral wall of measuring part forms the connection plane and makes things convenient for the connection of force sensor pull rod to carry out steady friction torque's test, improve measuring result's precision.
Further, the spindle is coaxially provided with a spacer, the spacer is correspondingly arranged between the inner rings of the two tapered roller bearings, the inner wall of the measuring piece is provided with an installation space for the two tapered roller bearings, a gear piece is arranged between the two installation spaces, the gear piece blocks the outer rings of the two tapered roller bearings in the axial direction of the spindle, and the gear piece and the spacer are matched to separate the two tapered roller bearings.
Through adopting above-mentioned technical scheme, can separate two tapered roller bearings back to back through the fender position spare on spacer ring and the measuring part, prevent in the measurement process, two tapered roller bearings mutual interference to can simulate real operating mode through spaced setting, improve detection quality and effect.
Further, the opening at two ends of the measuring piece is provided with a protective cover for shielding the opening, the protective cover shields the outer ring and the rolling body of the tapered roller bearing, the protective cover is provided with annular inserting protrusions which are in inserting fit with the opening at two ends of the measuring piece, and a plurality of connecting holes are formed between the protective cover and the opening of the measuring piece.
Through adopting above-mentioned technical scheme, at the measurement in-process, the inner circle rotates, shields the grease that throws away through the visor to the visor is connected through annular grafting arch and measuring part and is improved the connection integration, compact structure, the shielding effect of visor of being convenient for.
Further, a positioning piece for positioning the inner ring for installation or detachment is arranged at the position, close to the driving part, of the mandrel, the positioning piece is gradually smaller, and one end, gradually smaller, of the positioning piece is abutted to the end face of the inner ring of the tapered roller bearing.
Through adopting above-mentioned technical scheme, the setting element can make things convenient for the dismantlement of bearing, just the gradual reduction setting of setting element can make things convenient for operating personnel to carry out the application of force at the great terminal surface of setting element, and less terminal surface can improve pressure to make things convenient for the dismantlement of bearing.
Further, a plurality of dismounting grooves are uniformly distributed on the inner edge circumference of the gear piece of the measuring piece, and openings of the dismounting grooves are arranged towards the axle center of the measuring piece.
Through adopting above-mentioned technical scheme, the dismantlement groove that keeps off the setting of position spare can be through the instrument through the outer lane of dismantling groove alignment tapered roller bearing and act on to make things convenient for the dismantlement of bearing.
Further, a plurality of dismounting holes are formed in the end face of the mandrel driving portion along the axis circumference, and the dismounting holes are formed corresponding to one end of the locating piece, which is gradually larger.
Through adopting above-mentioned technical scheme, dismantle hole cooperation setting element and dismantle, can directly act on the setting element through dismantling the hole at the terminal surface of the drive portion of dabber, dismantle the convenient dismantlement that cooperates the setting element to carry out the bearing in hole.
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 diagram of an exploded structure of the other side in the 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 friction torque testing device for the tapered roller bearing comprises a supporting base 1 and two supporting components 2 arranged on the supporting base 1, wherein two supporting components 2 are matched and supported and provided with a mandrel 3 for installing two rows of tapered roller bearings back to back, a measuring piece 4 for measuring friction torque is installed on the mandrel 3 in a matched and tapered roller bearing mode, the measuring piece 4 is installed corresponding to the outer ring of the tapered roller bearing, one end of the mandrel 3 extends out of the supporting component 2 and forms a driving part 5 installed with a driving source, one end of the mandrel 3 away from the driving part 5 is coaxially provided with a locking piece 6 for locking the tapered roller bearing to be tested, a gasket 7 matched with the locking piece 6 for pressurizing the inner ring of the bearing to be tested is coaxially arranged on the mandrel 3, a pressure sensor 8 for measuring locking strength is arranged between the gasket 7 and the locking piece 6, a force sensor pull rod 9 is arranged on the peripheral wall of the measuring piece 4 along the radial direction of the mandrel 3, and the force sensor 9 measures the corresponding generated friction torque in the rotating process of the inner ring.
The outer peripheral wall of the measuring piece 4 is subjected to cutting treatment, a cutting part of the outer peripheral wall of the measuring piece 4 forms a connecting plane 10, a connecting part 11 is connected to the connecting plane 10, and the force sensor pull rod 9 is connected to the connecting part 11.
The spindle 3 is coaxially provided with a spacer 12, the spacer 12 is correspondingly arranged between the inner rings of the two tapered roller bearings, the inner wall of the measuring part 4 is provided with an installation space 13 for the two tapered roller bearings, a gear 14 is arranged between the two installation spaces 13, the gear 14 blocks the outer rings of the two tapered roller bearings in the axial direction of the spindle 3, and the gear 14 is matched with the spacer 12 to separate the two tapered roller bearings.
The measuring piece 4 both ends opening is provided with the visor 15 that is used for shielding the opening, visor 15 shields tapered roller bearing's outer lane and rolling element, visor 15 is provided with the annular grafting protruding 16 of grafting cooperation with measuring piece 4 both ends opening, visor 15 with be provided with a plurality of connecting holes between the measuring piece 4 opening.
The position of the mandrel 3, which is close to the driving part 5, is provided with a positioning piece 17 for positioning the inner ring for installation or detachment, the positioning piece 17 is gradually smaller, and one end of the positioning piece 17, which is gradually smaller, is abutted with the end face of the inner ring of the tapered roller bearing.
The inner edge of the gear piece 14 of the measuring piece 4 is circumferentially and uniformly provided with a plurality of dismounting grooves 18, and the opening of the dismounting groove 18 is arranged towards the axle center of the measuring piece 4.
The end face of the driving part 5 of the mandrel 3 is provided with a plurality of dismounting holes along the axial circumference, and the dismounting holes are arranged corresponding to one end of the positioning piece 17 which is gradually larger.
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 (7)
1. A friction torque testing device for tapered roller bearings is characterized in that: including supporting the base, two supporting parts that set up on supporting the base, two supporting parts cooperation support and are provided with the dabber that is used for installing two rows of tapered roller bearings back to back, the measuring part that is used for measuring friction torque is installed to the cooperation tapered roller bearing of dabber, the measuring part corresponds tapered roller bearing's outer lane installation, dabber one end extends supporting part and forms the drive division with the actuating source installation, the coaxial setting of one end that the drive division was kept away from to the dabber is with the retaining member that carries out the locking to the tapered roller bearing that awaits measuring, the coaxial gasket that carries out the pressurized with the retaining member cooperation to the bearing inner race that awaits measuring that is provided with between gasket and the retaining member, the peripheral wall of measuring part is provided with the force sensor pull rod along dabber radial direction, the force sensor pull rod is at the rotatory in-process measurement outer lane of inner circle corresponds the friction torque that produces.
2. The friction torque testing device for tapered roller bearings according to claim 1, wherein: the outer peripheral wall of the measuring piece is subjected to cutting treatment, a connecting plane is formed by the cutting part of the outer peripheral wall of the measuring piece, a connecting part is connected to the connecting plane, and the connecting part is connected to the force sensor pull rod.
3. The friction torque testing device for tapered roller bearings according to claim 1 or 2, characterized in that: the spindle is coaxially provided with a spacer, the spacer is correspondingly arranged between the inner rings of the two tapered roller bearings, the inner wall of the measuring piece is provided with an installation space for the two tapered roller bearings, a gear piece is arranged between the two installation spaces, the gear piece blocks the outer rings of the two tapered roller bearings in the axial direction of the spindle, and the gear piece and the spacer are matched to separate the two tapered roller bearings.
4. The friction torque testing device for tapered roller bearings according to claim 3, wherein: the measuring part is characterized in that the openings at two ends of the measuring part are provided with protective covers for shielding the openings, the protective covers shield the outer ring and the rolling bodies of the tapered roller bearing, the protective covers are provided with annular inserting protrusions which are in inserting fit with the openings at two ends of the measuring part, and a plurality of connecting holes are formed between the protective covers and the openings of the measuring part.
5. The friction torque testing device for tapered roller bearings according to claim 1, wherein: the positioning piece for positioning the inner ring for installation or disassembly is arranged at the position, close to the driving part, of the mandrel, the positioning piece is arranged in a gradually-reduced mode, and one gradually-reduced end of the positioning piece is abutted to the end face of the inner ring of the tapered roller bearing.
6. The friction torque testing device for tapered roller bearings according to claim 3, wherein: the gear piece of the measuring piece is circumferentially and uniformly provided with a plurality of dismounting grooves, and the opening of each dismounting groove is arranged towards the axis of the measuring piece.
7. The friction torque testing device for tapered roller bearings according to claim 5, wherein: the end face of the mandrel driving part is provided with a plurality of dismounting holes along the axis circumference, and the dismounting holes are arranged corresponding to one end of the locating piece which is gradually larger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320255331.4U CN219265701U (en) | 2023-02-07 | 2023-02-07 | Friction moment testing device for tapered roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320255331.4U CN219265701U (en) | 2023-02-07 | 2023-02-07 | Friction moment testing device for tapered roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219265701U true CN219265701U (en) | 2023-06-27 |
Family
ID=86859983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320255331.4U Active CN219265701U (en) | 2023-02-07 | 2023-02-07 | Friction moment testing device for tapered roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219265701U (en) |
-
2023
- 2023-02-07 CN CN202320255331.4U patent/CN219265701U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104236907B (en) | A kind of Frictional Moment for Rolling Bearings and stiffness measurement device and method | |
| CN105371775A (en) | Self-centering depth hole parameter measurement device | |
| CN108344534B (en) | Device and method for testing friction torque of bearing under composite load | |
| CN112051046B (en) | High-precision motor performance measuring device | |
| JPH0419365B2 (en) | ||
| CN106840076A (en) | A kind of bearing clearance and friction torque comprehensive tester | |
| CN106949814B (en) | Rapid assembling and adjusting device for precisely assembled bearing and using method | |
| CN105627859A (en) | Reversible platform detection device and globe bearing assembly detection method and device | |
| CN109612615A (en) | The test device of automobile hub bearing load friction torque | |
| JP2013050402A (en) | Reference setting device for measuring shape of side face spline, and shape measuring device and method using the same | |
| CN219265701U (en) | Friction moment testing device for tapered roller bearing | |
| CN205209440U (en) | From centering deep hole parameter measurement device | |
| CN113155460B (en) | Rolling friction force measuring system of bearing rolling body and loading device thereof | |
| CN104196900B (en) | Press fitting tool for back-to-back outer rings of tapered roller bearing | |
| CN107655386B (en) | The detection method of clearance when locomotive traction motor bearing inner race is not disassembled | |
| CN206756067U (en) | A kind of quick debugging device of accurate matched bearing | |
| CN117677778A (en) | Method and assembly device for assembling a rotor bearing | |
| CN210119191U (en) | Device for observing contact state of sealing ring of hub bearing unit | |
| CN203561340U (en) | A high-precision angle testing device in a thermal vacuum environment | |
| CN114894473A (en) | Testing device for main shaft system of wind power generation equipment | |
| CN86100281A (en) | Precision spindle | |
| CN215003383U (en) | Hole type verticality detection tool for precision parts | |
| CN109852749B (en) | Scraping and matching method for thrust bearing thrust shoe of blast furnace gas turbine set | |
| CN220584256U (en) | Gear ring fixing device and performance testing equipment of wheel speed sensor | |
| CN202372094U (en) | Adjustment device for inspection of circular arc end tooth gauge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |