CN220187900U - Positioning and loading tool for testing bearing moment - Google Patents
Positioning and loading tool for testing bearing moment Download PDFInfo
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- CN220187900U CN220187900U CN202320325959.7U CN202320325959U CN220187900U CN 220187900 U CN220187900 U CN 220187900U CN 202320325959 U CN202320325959 U CN 202320325959U CN 220187900 U CN220187900 U CN 220187900U
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- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 238000009434 installation Methods 0.000 claims description 12
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- 239000000463 material Substances 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000011900 installation process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
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- 238000005096 rolling process Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
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Abstract
The utility model belongs to the technical field of application tests of starting torque and rotating torque of bearings, and particularly relates to a positioning and loading tool for testing the torque of a bearing. The positioning tool comprises a bearing assembly, a mounting pad seat and a centering mounting cover, and the loading tool comprises a bearing assembly, a fixing base and an inner ring clamp. The tool provided by the utility model realizes complete positioning of the bearing in the process of testing the starting moment and the rotating moment of the bearing with different outer diameters, inner diameters and width sizes within a certain size range, and the universality of the tool reduces the time and the waste of materials generated by independently designing the tool due to different sizes of the bearing, so that the testing cost is saved, and the testing period is shortened. The tool can be used by a special test platform, and can also be used on general equipment such as a four-ball tester by changing an interface.
Description
Technical Field
The utility model belongs to the technical field of application tests of starting torque and rotating torque of a bearing, and particularly relates to a positioning and loading tool for testing the torque of the bearing and a using method thereof.
Background
The rolling bearing is widely applied to various fields of national economy, is an important mechanical matching component, and the starting moment and the rotating moment are very important service performances of the bearing. The starting moment and the rotating moment of the bearing are influenced by the bearing structure, the temperature, the lubrication condition and the like in many aspects, and in the process of testing the starting moment and the rotating moment of the bearing, many factors such as the installation, the positioning, the loading, the temperature and the like of the bearing must be considered. The detection structure in the prior art is difficult to meet the requirements of positioning and loading of the bearings, and a positioning and loading tool for testing the rotation moment and the starting moment of the bearings is needed by considering various factors such as the inner diameter, the outer diameter and the width of different bearings, the axial radial positioning of the bearings and the like.
Disclosure of Invention
According to the prior art, the utility model aims to provide a positioning loading tool for testing bearing moment and a force measuring method thereof, which are based on the problems of positioning and loading of a bearing to be considered in the process of testing bearing starting moment and rotating moment. The axial positioning and the radial positioning can be carried out on the bearing in the installation process before the test, concentricity of the bearing and the rotating shaft is ensured, and meanwhile, the universality of the device on bearings with different sizes is realized from the energy-saving and environment-friendly angles.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the positioning tool for testing the bearing moment comprises a bearing assembly, a mounting pad seat and a centering mounting cover, wherein the bearing assembly is placed on the mounting pad seat, the bearing assembly comprises an outer ring clamp and a bearing assembled in the outer ring clamp, the outer ring clamp is of a cylindrical structure with one open end and one closed end, the mounting pad seat supports the closed end of the outer ring clamp, and a threaded interface is arranged at the closed end of the outer ring clamp; the end face of one side of the centering installation cover is provided with a positioning cone for positioning the bearing, the tail end of the positioning cone is provided with a threaded rod, and the centering installation cover positions the bearing from the open end of the outer ring clamp to the top and is connected and locked with a threaded interface of the outer ring clamp.
Further, a plurality of positioning screw holes are formed in the annular side surface of the outer ring clamp, half-thread bolts for supporting are optionally arranged in the positioning screw holes, the bearing is placed on the half-thread bolts for supporting, half-thread bolts for locking are optionally arranged in the positioning screw holes, and the half-thread bolts for locking are locked on the outer diameter surface of the bearing.
Further, nine groups of positioning screw holes are arranged at equal intervals along the direction of a cylindrical generatrix of the outer ring clamp, each group of three positioning screw holes are distributed at intervals of 120 degrees along the circumferential direction, and adjacent groups are staggered by 26 degrees along the circumferential direction.
Further, the three half-threaded bolts for supporting are distributed along the circumferential direction; the locking half-thread bolts are distributed in three along the circumferential direction.
Further, the mounting pad seat is of an annular structure, and a hollow inner hole is formed in the middle of the mounting pad seat.
Further, a handle convenient to operate is arranged on the end face of one side of the centering installation cover, which is far away from the positioning cone.
Further, two mounting holes are formed in the closed end of the outer ring clamp and symmetrically distributed on two sides of the threaded connector.
The utility model provides a load frock for testing bearing moment, includes bearing assembly, unable adjustment base and inner circle anchor clamps, bearing assembly includes outer lane anchor clamps and fixed mounting in outer lane anchor clamps, outer lane anchor clamps are one end open, one end confined tubular structure, and the blind end of outer lane anchor clamps is provided with screw-thread interface, and bearing assembly passes through the screw-thread interface connection of outer lane anchor clamps on unable adjustment base, unable adjustment base and bearing assembly place on hydraulic tray, and unable adjustment base connects the dynamometer, inner circle anchor clamps pass through rotation axis interface and are connected with the rotation axis, set up the loading cone on the one side terminal surface that the rotation axis was kept away from to the inner circle anchor clamps, and the inner circle anchor clamps pass through the loading cone and apply the load after the bearing hole contacts.
Further, a plurality of positioning screw holes are formed in the annular side surface of the outer ring clamp, half-thread bolts for supporting are optionally arranged in the positioning screw holes, the bearing is placed on the half-thread bolts for supporting, half-thread bolts for locking are optionally arranged in the positioning screw holes, and the half-thread bolts for locking are locked on the outer diameter surface of the bearing.
Further, nine groups of positioning screw holes are arranged at equal intervals along the direction of a cylindrical generatrix of the outer ring clamp, each group of three positioning screw holes are distributed at intervals of 120 degrees along the circumferential direction, and adjacent groups are staggered by 26 degrees along the circumferential direction.
Further, the three half-threaded bolts for supporting are distributed along the circumferential direction; the locking half-thread bolts are distributed in three along the circumferential direction.
Further, the load cell is maintained at the same level as the stationary base.
Further, two mounting holes are formed in the closed end of the outer ring clamp and symmetrically distributed on two sides of the threaded interface, and mounting threaded holes and mounting positioning columns corresponding to the outer ring clamp are formed in the fixing base.
According to the using method of the positioning tool for testing the bearing moment, the outer ring clamp is placed on the mounting pad seat, the three half-threaded bolts for supporting are installed in the positioning screw holes with the preset height at the bottom, the bearing is placed on the three half-threaded bolts for supporting, the centering mounting cover is installed on the threaded interface of the outer ring clamp, the bearing geometric center and the rotating center are guaranteed to coincide through the screwing of the handle, the positioning screw holes in the height direction of the outer ring of the bearing are selected, the three half-threaded bolts for locking are installed and screwed to the outer diameter surface of the bearing, the radial positioning of the bearing is guaranteed, the centering mounting cover is moved out by the rotating handle, and the bearing assembly formed after the outer ring clamp and the bearing are fixed is transferred to the loading tool for loading and detecting moment.
According to the application method of the loading tool for testing the bearing moment, the outer ring clamp and the bearing are fixed through the half-thread bolts to form the bearing assembly, the bearing assembly is installed on the fixed base, the inner ring clamp is installed on the rotating shaft through the rotating shaft interface, the fixed base is lifted through the hydraulic tray, the inner hole of the bearing is in contact with the inner ring clamp and is kept after a certain load is applied, the fixed base is connected with the dynamometer through the steel wire, and the dynamometer is guaranteed to be fixed and is on the same horizontal plane with the fixed base. Starting the rotating shaft, and measuring the rotating moment and the starting moment of the bearing by the indicating number of the dynamometer.
Further, the product of the dynamometer indication and the radius of the fixed base is the rotation moment of the bearing, and the rotation moment when the bearing is started is the starting moment.
The beneficial effects of the utility model are as follows: the tool provided by the utility model realizes the test starting moment and the rotation moment of the bearing with different outer diameters, inner diameters and width sizes within a certain size range, and the bearing is completely positioned in the process. The tool can be used by a special test platform, and can also be used on general equipment such as a four-ball tester by changing an interface.
Drawings
FIG. 1 is a schematic illustration of an outer race clamp I;
FIG. 2 is a second schematic view of an outer race clamp;
FIG. 3 is a schematic diagram I of an inner ring clamp in a loading tool;
FIG. 4 is a second schematic view of an inner ring clamp in a loading tool;
FIG. 5 is a schematic diagram of a centering mounting cover in a positioning tool;
FIG. 6 is a schematic diagram II of a centering mounting cover in the positioning tool;
FIG. 7 is a schematic view of a mounting pad in a positioning tool;
FIG. 8 is a schematic view of a stationary base in a loading tool;
FIG. 9 is a schematic view of a half-thread bolt;
FIG. 10 is a schematic diagram of a bearing under test;
FIG. 11 is a schematic diagram of a positioning tool;
FIG. 12 is a schematic diagram of a loading tool;
in the figure: 1. the device comprises an outer ring clamp, a positioning screw hole, a 3 threaded interface, a 4 mounting hole, a 5 inner ring clamp, a 5.1 loading cone, a 6 rotating shaft interface, a 7-centering mounting cover, a 7.1 positioning cone, a 7.2 threaded rod, a 7.3 handle, an 8 mounting pad seat, a 9 fixing base, a 9.1 mounting threaded hole, a 9.2 mounting positioning column, a 10 half threaded bolt, a 10.1 supporting half threaded bolt, a 10.2 locking half threaded bolt and an 11 to-be-tested conical bearing;
A. and the rotating shaft is connected with the rotating shaft, the dynamometer and the hydraulic tray.
Detailed Description
In order to make the structure and function of the present utility model clearer, the technical solution in the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present utility model.
Referring to fig. 1-12, a positioning and loading tool for testing the moment of a bearing is provided, the bearing is fixed by the positioning tool, the bearing is loaded by the loading tool, and the rotation moment is detected as the starting moment. As shown in fig. 9, an example of a conical bearing installation detection process is shown. The positioning tool comprises a bearing assembly, a mounting pad seat 8 and a centering mounting cover 7, wherein the bearing assembly is placed on the mounting pad seat 8, the bearing assembly comprises an outer ring clamp 1 and a bearing 11 assembled in the outer ring clamp 1, the outer ring clamp 1 is of a cylindrical structure with one open end and one closed end, the mounting pad seat 8 supports the closed end of the outer ring clamp 1, and a threaded interface 3 is arranged at the closed end of the outer ring clamp 1; the end face of one side of the centering installation cover 7 is provided with a positioning cone 7.1 for positioning the bearing 11, the tail end of the positioning cone 7.1 is provided with a threaded rod 7.2, and the centering installation cover 7 positions the bearing 11 from the open end of the outer ring clamp 1 to the top and is connected and locked with the threaded interface 3 of the outer ring clamp.
Further, a plurality of positioning screw holes 2 are formed in the annular side surface of the outer ring clamp 1, half-threaded bolts 10.1 for supporting are optionally arranged in the plurality of positioning screw holes 2, the bearing 11 is placed on the half-threaded bolts 10.1 for supporting, half-threaded bolts 10.2 for locking are optionally arranged in the plurality of positioning screw holes 2, and the half-threaded bolts 10.2 for locking are locked on the outer diameter surface of the bearing 11.
Further, the positioning screw holes 2 are distributed in nine groups at equal intervals along the direction of a cylindrical generatrix of the outer ring clamp, each group of three positioning screw holes are distributed at intervals of 120 degrees along the circumferential direction, and adjacent groups are staggered by 26 degrees along the circumferential direction.
Based on the technical scheme, the groups are arranged along the direction of the bus, each group can be considered to be a plane parallel to the bottom surface, and the nine planes are equidistantly arranged along the direction of the bus. The number of the positioning screw holes of each layer is 3, so that the positioning screw holes of each layer are staggered in order to ensure the stability without interference among the layers.
Further, three half-threaded bolts 10.1 for supporting are distributed along the circumferential direction and are assembled into the same group of positioning screw holes 2; the locking half-thread bolts 10.2 are distributed in the circumferential direction and are assembled into the same group of positioning screw holes 2.
Further, the mounting pad 8 has an annular structure, and a hollow inner hole is arranged in the middle of the mounting pad. The inner bore of the mounting pad 8 avoids interference with the threaded rod 7.2 of the centering mounting cap.
Further, a handle 7.3 which is convenient to operate is arranged on the end face of one side of the centering installation cover 7 away from the positioning cone 7.1.
Further, two mounting holes 4 are formed in the closed end of the outer ring clamp 1, and the two mounting holes 4 are symmetrically distributed on two sides of the threaded connector 3.
The using method of the positioning tool comprises the steps of placing an outer ring clamp 1 on a mounting pad seat 8, installing three half-threaded bolts 10.1 for supporting in positioning screw holes 2 with proper heights at the bottom, placing a conical bearing 11 on the half-threaded bolts 10.1 for supporting, installing a centering mounting cover 7 on a threaded interface 3, screwing through a handle on the centering mounting cover to ensure that the geometric center of the bearing coincides with the rotation center, selecting the positioning screw holes 2 near the center of the height direction of the outer ring of the bearing, installing the half-threaded bolts 10.2 for locking into the outer diameter surface of the bearing, ensuring the radial positioning of the bearing, removing the centering mounting cover 7 through rotating the handle, and transferring a bearing assembly formed after the outer ring clamp 1 and the bearing 11 are fixed to the loading tool to load and detect moment.
The loading tool for testing the bearing moment comprises a bearing assembly, a fixing base and an inner ring clamp, wherein the bearing assembly is fixed through the positioning tool, the bearing assembly comprises an outer ring clamp 1 and a bearing 11 fixedly assembled in the outer ring clamp 1 through three half-threaded bolts 10.1 for supporting and three half-threaded bolts 10.2 for locking, the outer ring clamp 1 is of a cylindrical structure with one open end and one closed end, a threaded connector 3 and two symmetrical mounting holes 4 are formed in the closed end of the outer ring clamp 1, the bearing assembly is connected to the fixing base 9 through the threaded connector 3 of the outer ring clamp and the two symmetrical mounting holes 4, the fixing base 9 and the bearing assembly are placed on a hydraulic tray, the fixing base 9 is connected with a dynamometer, the dynamometer and the fixing base 9 are kept on the same horizontal plane, the inner ring clamp 5 is connected with a rotating shaft through a rotating shaft connector 6, a loading cone 5.1 is arranged on one side end face of the inner ring clamp 5, which is far away from the rotating shaft, and the inner ring clamp 5 is contacted with the bearing 11 through the loading cone 5.1 and loads are applied.
Further, the fixing base 9 is provided with a mounting threaded hole 9.1 and a mounting positioning column 9.2 corresponding to the outer ring clamp 1.
The using method of the loading tool comprises the steps of installing the installed and fixed 1 outer ring clamp 1 and the conical bearing 11 to be measured on the fixed base 9, installing the inner ring clamp 5 on a rotating shaft through the rotating shaft interface 6, lifting the fixed base 9 through a hydraulic tray, enabling an inner hole of the bearing 11 to be in contact with the inner ring clamp 5 and keeping the inner ring clamp after a certain load is applied, connecting the fixed base 9 with the dynamometer through a steel wire, and guaranteeing that the dynamometer is fixed and is on the same horizontal plane with the fixed base 9. Starting the rotating shaft, wherein the product of the indicating number of the dynamometer and the radius of the fixed base is the rotating moment of the bearing, and the rotating moment when the bearing is started is the starting moment. The dynamometer is a universal tension meter which accords with the measuring range and the precision, and has no specific requirements on manufacturers and models.
In the process of testing the starting moment and the rotating moment of the bearing, the problems of positioning and loading of the bearing are considered. In the installation process before the test, the bearing needs to be axially positioned and radially positioned, the concentricity of the bearing and the rotating shaft is ensured, and meanwhile, the universality of the device on bearings with different sizes is realized from the aspect of energy conservation and environmental protection.
In consideration of the problems, the designed tool designs the inner ring fixture into a universal cone shape, can be adapted to conical bearings with different inner diameters within a certain size range, and increases a coating of a sizing agent to increase friction force with the inner ring; multiple rows of screw holes are designed in the radial direction of the outer ring clamp, and the axial positioning and the radial positioning of bearings with different outer diameters and widths in a certain size range are realized through two groups of 6 half-thread bolts; meanwhile, a special installation positioning fixture is designed for ensuring concentricity with the rotating shaft in the bearing installation process, and the center coincidence of the rotating lines is ensured. The tool realizes complete positioning of the bearing in the process of testing starting moment and rotating moment of the bearings with different outer diameters, inner diameters and width sizes within a certain size range, and the universality of the tool reduces the time and material waste generated by independently designing the tool due to different sizes of the bearing, so that the testing cost is saved, and the testing period is shortened. The tool can be used by a special test platform, and can also be used on general equipment such as a four-ball tester by changing an interface.
The foregoing list is only the preferred embodiments of the present utility model. Obviously, the utility model is not limited to the above embodiments, but many variations are possible. All modifications directly derived or suggested to one skilled in the art from the present disclosure should be considered as being within the scope of the present utility model.
Claims (10)
1. A location frock for testing bearing moment, its characterized in that: the bearing assembly is placed on the mounting pad seat, the bearing assembly comprises an outer ring clamp and a bearing assembled in the outer ring clamp, the outer ring clamp is of a cylindrical structure with one end open and one end closed, the mounting pad seat supports the closed end of the outer ring clamp, and a threaded interface is arranged at the closed end of the outer ring clamp; the end face of one side of the centering installation cover is provided with a positioning cone for positioning the bearing, the tail end of the positioning cone is provided with a threaded rod, and the centering installation cover positions the bearing from the open end of the outer ring clamp to the top and is connected and locked with a threaded interface of the outer ring clamp.
2. The positioning tool for testing bearing moment according to claim 1, wherein: a plurality of positioning screw holes are formed in the annular side surface of the outer ring clamp, half-thread bolts for supporting are optionally arranged in the positioning screw holes, the bearing is placed on the half-thread bolts for supporting, half-thread bolts for locking are optionally arranged in the positioning screw holes, and the half-thread bolts for locking are locked on the outer diameter surface of the bearing.
3. The positioning tool for testing bearing moment according to claim 2, wherein: nine groups of positioning screw holes are distributed at equal intervals along the direction of a cylindrical generatrix of the outer ring clamp, each group of three positioning screw holes are distributed at intervals of 120 degrees along the circumferential direction, and adjacent groups are staggered by 26 degrees along the circumferential direction; the three half-thread bolts for supporting are distributed along the circumferential direction; the locking half-thread bolts are distributed in three along the circumferential direction.
4. The positioning tool for testing bearing moment according to claim 1, wherein: the end face of one side of the centering installation cover, which is far away from the positioning cone, is provided with a handle which is convenient to operate.
5. A loading frock for testing bearing moment, its characterized in that: including bearing assembly, unable adjustment base and inner circle anchor clamps, bearing assembly includes outer lane anchor clamps and fixed mounting in outer lane anchor clamps bearing, outer lane anchor clamps are one end open, one end confined tubular structure, and the blind end of outer lane anchor clamps is provided with screwed joint, and bearing assembly passes through the screwed joint connection of outer lane anchor clamps on unable adjustment base, unable adjustment base and bearing assembly place on hydraulic pallet, and unable adjustment base connects the dynamometer, inner circle anchor clamps pass through rotation axis interface and rotation axis connection, set up the loading cone on the one side terminal surface that the rotation axis was kept away from to the inner circle anchor clamps, and the inner circle anchor clamps pass through the loading cone and exert the load after bearing hole contact.
6. The loading tool for testing bearing moment according to claim 5, wherein: a plurality of positioning screw holes are formed in the annular side surface of the outer ring clamp, half-thread bolts for supporting are optionally arranged in the positioning screw holes, the bearing is placed on the half-thread bolts for supporting, half-thread bolts for locking are optionally arranged in the positioning screw holes, and the half-thread bolts for locking are locked on the outer diameter surface of the bearing.
7. The loading tool for testing bearing moment according to claim 6, wherein: nine groups of positioning screw holes are arranged at equal intervals along the direction of a cylindrical generatrix of the outer ring clamp, each group of three positioning screw holes are distributed at intervals of 120 degrees along the circumferential direction, and adjacent groups are staggered by 26 degrees along the circumferential direction.
8. The loading tool for testing bearing moment according to claim 6, wherein: the three half-thread bolts for supporting are distributed along the circumferential direction; the locking half-thread bolts are distributed in three along the circumferential direction.
9. The loading tool for testing bearing moment according to claim 5, wherein: the dynamometer and the fixed base are kept on the same horizontal plane.
10. The loading tool for testing bearing moment according to claim 5, wherein: the product of the dynamometer indication and the radius of the fixed base is the rotation moment of the bearing, and the rotation moment when the bearing is started is the starting moment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320325959.7U CN220187900U (en) | 2023-02-27 | 2023-02-27 | Positioning and loading tool for testing bearing moment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320325959.7U CN220187900U (en) | 2023-02-27 | 2023-02-27 | Positioning and loading tool for testing bearing moment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220187900U true CN220187900U (en) | 2023-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320325959.7U Active CN220187900U (en) | 2023-02-27 | 2023-02-27 | Positioning and loading tool for testing bearing moment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220187900U (en) |
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2023
- 2023-02-27 CN CN202320325959.7U patent/CN220187900U/en active Active
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