CN220690453U - Life test tool with sample positioning mechanism - Google Patents
Life test tool with sample positioning mechanism Download PDFInfo
- Publication number
- CN220690453U CN220690453U CN202322427364.5U CN202322427364U CN220690453U CN 220690453 U CN220690453 U CN 220690453U CN 202322427364 U CN202322427364 U CN 202322427364U CN 220690453 U CN220690453 U CN 220690453U
- Authority
- CN
- China
- Prior art keywords
- clamping
- base
- sides
- upper limit
- positioning mechanism
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 47
- 230000007246 mechanism Effects 0.000 title claims abstract description 13
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a life test fixture with a sample positioning mechanism, which comprises a clamping base and an upper limit cover, wherein moving assemblies are symmetrically arranged on two sides of the clamping base, the outer sides of the two moving assemblies are arranged at the lower ends of the inner sides of side plates which are correspondingly arranged, the upper limit cover is arranged right above the clamping base, electric hydraulic cylinders are symmetrically arranged at the outer ends of two sides of the upper end of the upper limit cover, and a test device is arranged in the middle of the upper limit cover. This life-span test frock with sample positioning mechanism drives the centre gripping base through moving the subassembly and removes, is convenient for go up the unloading with the bearing sample, through positioning seat, centre gripping base, go up spacing lid, electronic pneumatic cylinder and electromagnetic ring collocation use, is convenient for fix a position the bearing sample of putting inside the centre gripping base, improves the steadiness when examining, through the counter in the test device, is convenient for calculate drive shaft pivoted number of turns to the convenience calculates bearing sample life time.
Description
Technical Field
The utility model relates to the technical field related to bearing life tests, in particular to a life test tool with a sample positioning mechanism.
Background
Bearings are an important component in contemporary mechanical devices. Its main function is to support the mechanical rotator, reduce the friction coefficient in the course of its movement and ensure its rotation accuracy. In general, a life test is required to be performed on a bearing after the completion of the processing in order to ensure the service life of the bearing. The bearing life test refers to equipment for carrying out a rotation life test on a bearing only under the action of load, the bearing life test is carried out by a mode of rotating an inner ring of the bearing, and a fatigue life test result of the bearing is obtained according to the rotation time of bearing failure, so that the quality levels of structural design, manufacturing process, materials, lubrication and the like of the bearing can be revealed, the equipment is an important index for comprehensively evaluating the quality of a bearing product, automatic measurement and control and high test precision are characteristics of a novel conventional life tester, and a tool for loading the bearing is an essential component of the bearing life tester when the bearing life tester is designed.
When the tool of the existing bearing life tester is used, a person is usually used for coaxially loading a bearing on the periphery of a test driving shaft, then the bearing life tester applies load to the outer ring of the bearing to be fixed, then the bearing life is tested in a mode of rotating the test driving shaft, and in the use process, the tool has defects that the loading, the installation and the positioning of a bearing sample are inconvenient, and in the detection process, the stability is poor, the bearing sample is easy to deviate and fall during the detection, the accuracy of a detection result is affected, and the existing equipment is required to be improved according to the problems.
Disclosure of Invention
The utility model aims to provide a life test tool with a sample positioning mechanism, which solves the problems that the prior life test tool provided in the background art is inconvenient to load, install and position a bearing sample during use, has poor stability during detection, and is easy to cause offset drop of the bearing sample during detection, thereby influencing the accuracy of a detection result.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a life test fixture with a sample positioning mechanism, which comprises a clamping base and an upper limit cover,
the two sides of the clamping base are symmetrically provided with moving assemblies, the outer sides of the two moving assemblies are arranged at the lower ends of the inner sides of the side plates which are correspondingly arranged, meanwhile, the two side plates are respectively arranged at the two sides of the upper end of the test base, a positioning seat is arranged in the middle of the upper end of the test base, and the upper end surface of the positioning seat is attached to the bottom of the lower end of the clamping base;
the upper limit cover is arranged right above the clamping base, electric hydraulic cylinders are symmetrically arranged at the outer ends of two sides of the upper end of the upper limit cover, the bottoms of the electric hydraulic cylinders are symmetrically arranged in mounting grooves symmetrically formed in the lower end of the cover plate, two sides of the lower end of the cover plate are respectively connected with the upper ends of the side plates which are correspondingly arranged, and the storage grooves formed in the middle of the lower end of the cover plate are connected with the upper ends of the test devices in a clamping mode, and meanwhile the test devices are arranged in the middle of the upper limit cover.
Preferably, a push-pull plate is arranged in the middle of the front surface of the clamping base, a clamping positioning groove is formed in the upper end of the clamping base, and meanwhile, a clamping cushion block is connected in the middle of four sides in the clamping positioning groove through compression springs;
through adopting above-mentioned technical scheme, be convenient for carry out spacing fixed to the bearing sample, the steadiness when improving experimental the detection.
Preferably, the moving assembly comprises a transverse seat, a T-shaped moving groove is formed in one side of the transverse seat, a linear guide rail is arranged at the lower end of the inside of the moving groove, the upper end of the linear guide rail is connected with the bottom of one side of a connecting cross rod arranged at the upper end of the inside of the moving groove, and the other side of the connecting cross rod is connected with one end of the outer side of the clamping base;
by adopting the technical scheme, loading and unloading of bearing samples are facilitated.
Preferably, the size of the upper limit cover is the same as that of the clamping base, and an electromagnetic ring is arranged on the outer side of the bottom of the lower end of the upper limit cover;
by adopting the technical scheme, the stability of the upper end installation of the bearing sample is improved.
Preferably, the test device comprises a bracket, the bracket is of a U-shaped structure, the upper end of the inner side of the bracket is provided with a driving motor, the output end of the driving motor is in threaded connection with the upper end of a driving shaft through a coupler, the lower end of the driving shaft penetrates through a through hole formed in the middle of an upper limit cover and extends to the lower part of the through hole, the bottom of the lower end of the driving shaft is provided with a clamping block, the ruler diameter of the clamping block is matched with the ruler diameter of an inner ring of a bearing, and a counter is arranged above the clamping block at the lower end of the driving shaft;
by adopting the technical scheme, the accuracy of detection data is improved conveniently during test detection.
The beneficial effects of the utility model are as follows:
in order to solve current life-span test frock when using, inconvenient carrying out material loading installation location to the bearing sample, secondly, when examining, the steadiness is relatively poor, when leading to the fact examining time easily, the bearing sample takes place the skew and drops, influence the problem of the accuracy of testing result, be provided with the positioning seat, the centre gripping base, remove the subassembly, go up spacing lid, electronic pneumatic cylinder, electromagnetic ring and test device, drive the centre gripping base through the removal subassembly and remove, be convenient for go up the unloading with the bearing sample, through the positioning seat, the centre gripping base, go up spacing lid, electronic pneumatic cylinder and electromagnetic ring collocation use, be convenient for fix a position the bearing sample of putting in the centre gripping base, stability when improving examining, through the counter in the test device, be convenient for calculate drive shaft pivoted number of turns, thereby the convenience calculates bearing sample life time.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 3 is a schematic perspective view of a clamping base according to the present utility model;
fig. 4 is a schematic perspective view of the upper limit cover of the present utility model.
In the figure: 1. a test base; 2. a side plate; 3. a cover plate; 4. a positioning seat; 5. clamping a base; 501. a push-pull plate; 502. clamping and positioning grooves; 503. clamping the cushion block; 504. a compression spring; 6. a moving assembly; 601. a transverse seat; 602. a moving groove; 603. a linear guide rail; 604. connecting the cross bars; 7. an upper limit cover; 701. a through hole; 8. an electro-hydraulic cylinder; 9. an electromagnetic ring; 10. a bracket; 11. a driving motor; 12. a drive shaft; 13. a clamping block; 14. a counter.
Detailed Description
Referring to fig. 1-4, the present utility model provides a technical solution: according to the life test tool with a sample positioning mechanism, as shown in fig. 1, 2 and 3, a push-pull plate 501 is installed in the middle of the front surface of a clamping base 5, a clamping positioning groove 502 is formed in the upper end of the clamping base 5, meanwhile, a clamping cushion block 503 is connected in the middle of four sides of the inner part of the clamping positioning groove 502 through a compression spring 504, the compression spring 504 and the clamping cushion block 503 are matched for use, the tightness of the inner connection of a bearing sample and the clamping cushion block 503 is convenient to improve, meanwhile, bearing samples of different sizes are also convenient to install and fix, the practicability of use is improved, moving assemblies 6 are symmetrically arranged on two sides of the clamping base 5, two moving assemblies 6 are arranged on the outer sides of the corresponding side plates 2, meanwhile, two side plates 2 are respectively arranged on two sides of the upper end of the testing base 1, a positioning seat 4 is arranged in the middle of the upper end of the testing base 1, the upper end surface of the positioning seat 4 is attached to the bottom of the lower end of the clamping base 5, and the accuracy of the position of the clamping base 5 in detection is improved.
Specifically, remove subassembly 6 includes horizontal seat 601, and horizontal seat 601 one side is inside to be seted up T type movable groove 602, and the linear guide 603 is installed to the inside lower extreme in movable groove 602, and the linear guide 603 upper end is connected with the connection horizontal pole 604 one side bottom that the inside upper end of movable groove 602 set up simultaneously, and the connection horizontal pole 604 opposite side is connected with clamping base 5 outside one end, through removing subassembly 6, is convenient for adjust clamping base 5's position to the unloading is gone up to the convenience to the bearing sample.
According to the arrangement of the upper limit cover 7 above the clamping base 5, the size of the upper limit cover 7 is identical to that of the clamping base 5, the electromagnetic ring 9 is arranged on the outer side of the bottom of the lower end of the upper limit cover 7, the connection tightness of the upper limit cover 7 and the clamping base 5 is improved, so that a bearing sample is fixed between the upper limit cover 7 and the clamping base 5, displacement dropping during detection is avoided, the outer ends of the two sides of the upper end of the upper limit cover 7 are symmetrically provided with the electric hydraulic cylinders 8, the bottoms of the two electric hydraulic cylinders 8 are symmetrically arranged in mounting grooves symmetrically arranged at the lower end of the cover plate 3, the distance between the upper limit cover 7 and the clamping base 5 is conveniently adjusted through the electric hydraulic cylinders 8, the two sides of the lower end of the cover plate 3 are respectively connected with the upper ends of the side plates 2 which are correspondingly arranged, the storage groove arranged in the middle of the lower end of the cover plate 3 is connected with the upper end of the test device in a clamping mode, and the test device is arranged in the middle of the upper limit cover 7.
Specifically, the test device includes support 10, support 10 is U type structure, and driving motor 11 is installed to the inboard upper end of support 10, simultaneously driving motor 11's output passes through shaft coupling and drive shaft 12 upper end threaded connection, conveniently install fixedly to drive shaft 12, the through-hole 701 of seting up in the middle of the upper limit cap 7 is run through to the through-hole 701 below to the drive shaft 12 lower extreme bottom, and block 13 is installed to drive shaft 12 lower extreme bottom, block 13 and drive shaft 12 lower extreme are detachable connection, be convenient for change block 13 according to the inner circle chi footpath of the bearing sample that detects, the chi footpath of block 13 and the chi footpath assorted setting of bearing inner circle simultaneously, the steadiness of block 13 and bearing inner circle connection when detecting is improved, counter 14 is installed to drive shaft 12 lower extreme top in the block 13, be convenient for record the number of turns of drive shaft 12 rotation, thereby know the life of bearing sample.
During the use, under the effect of linear guide 603 and push-and-pull board 501, shift out clamping base 5 from the upper end of positioning seat 4, then put the bearing sample lower extreme in clamping positioning groove 502 that clamping base 5 upper end inboard was seted up, simultaneously clamping pad 503 and compression spring 504 collocation use, improve the steadiness that the bearing sample was put in clamping positioning groove 502, after accomplishing the installation, remove clamping base 5 to the normal position under the effect of linear guide 603 and push-and-pull board 501, then start electric hydraulic cylinder 8, make upper limit cover 7 move downwards under the effect of electric hydraulic cylinder 8, and make the joint piece 13 and the bearing body inner circle block in the laminating of electromagnetic ring 9 and clamping base 5 outside, then start driving motor 11 drive shaft 12 and rotate, make joint piece 13 drive the bearing body inner circle and rotate in step, and counter 14 records the number of turns of driving shaft 12 rotation, drive shaft 12 and joint piece 13 rotation can fully simulate the state when the use of bearing body under the effect of linear guide 603, thereby the true life-span of the true recording of bearing body is recorded in the test of counter 14.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. Life test frock with sample positioning mechanism, including centre gripping base (5) and last spacing lid (7), its characterized in that:
the two sides of the clamping base (5) are symmetrically provided with moving assemblies (6), the outer sides of the two moving assemblies (6) are arranged at the lower ends of the inner sides of the side plates (2) which are correspondingly arranged, meanwhile, the two side plates (2) are respectively arranged at two sides of the upper end of the test base (1), the middle of the upper end of the test base (1) is provided with a positioning seat (4), and the upper end surface of the positioning seat (4) is attached to the bottom of the lower end of the clamping base (5);
the upper limiting cover (7) is arranged right above the clamping base (5), electric hydraulic cylinders (8) are symmetrically arranged at the outer ends of two sides of the upper end of the upper limiting cover (7), simultaneously two bottoms of the electric hydraulic cylinders (8) are symmetrically arranged in mounting grooves symmetrically formed in the lower end of the cover plate (3), two sides of the lower end of the cover plate (3) are respectively connected with the upper end of the side plate (2) which is correspondingly arranged, and a storage groove formed in the middle of the lower end of the cover plate (3) is connected with the upper end of the testing device in a clamping mode, and the testing device is arranged in the middle of the upper limiting cover (7).
2. The life test fixture with a sample positioning mechanism of claim 1, wherein: the clamping base (5) is provided with a push-pull plate (501) in the middle of the front surface, the upper end of the clamping base (5) is internally provided with a clamping positioning groove (502), and meanwhile, the middle of four sides of the inner part of the clamping positioning groove (502) is connected with a clamping cushion block (503) through a compression spring (504).
3. The life test fixture with a sample positioning mechanism of claim 1, wherein: the movable assembly (6) comprises a transverse seat (601), a T-shaped movable groove (602) is formed in one side of the transverse seat (601), a linear guide rail (603) is arranged at the lower end inside the movable groove (602), the upper end of the linear guide rail (603) is connected with the bottom of one side of a connecting cross rod (604) arranged at the upper end inside the movable groove (602), and the other side of the connecting cross rod (604) is connected with one end of the outer side of the clamping base (5).
4. The life test fixture with a sample positioning mechanism of claim 1, wherein: the size of the upper limit cover (7) is the same as that of the clamping base (5), and an electromagnetic ring (9) is arranged outside the bottom of the lower end of the upper limit cover (7).
5. The life test fixture with a sample positioning mechanism of claim 1, wherein: the test device comprises a support (10), the support (10) is of a U-shaped structure, a driving motor (11) is installed at the upper end of the inner side of the support (10), the output end of the driving motor (11) is connected with the upper end of a driving shaft (12) through a coupler, the lower end of the driving shaft (12) penetrates through a through hole (701) formed in the middle of an upper limit cover (7) and extends to the lower portion of the through hole (701), a clamping block (13) is installed at the bottom of the lower end of the driving shaft (12), the ruler diameter of the clamping block (13) is matched with the ruler diameter of the inner ring of the bearing, and a counter (14) is installed above the clamping block (13) at the lower end of the driving shaft (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322427364.5U CN220690453U (en) | 2023-09-07 | 2023-09-07 | Life test tool with sample positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322427364.5U CN220690453U (en) | 2023-09-07 | 2023-09-07 | Life test tool with sample positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220690453U true CN220690453U (en) | 2024-03-29 |
Family
ID=90407731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322427364.5U Active CN220690453U (en) | 2023-09-07 | 2023-09-07 | Life test tool with sample positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220690453U (en) |
-
2023
- 2023-09-07 CN CN202322427364.5U patent/CN220690453U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111504826B (en) | Online automatic detector for mechanical parameters of materials under complex working conditions | |
| CN108169047A (en) | A kind of novel friction abrasion tester for testing film material | |
| CN219266496U (en) | Turret type follow-up detection device for large-cylinder full-tab battery | |
| CN103175500B (en) | A kind of axle alters pick-up unit and detection method thereof | |
| CN109323644A (en) | A kind of shaft-like workpiece surface roundness detection instrument and shaft-like workpiece roundness measurement method | |
| CN220690453U (en) | Life test tool with sample positioning mechanism | |
| CN110595771B (en) | Synchronous rapid measuring device and method for preload and friction force of rolling linear guide rail pair | |
| CN109991164B (en) | Coating bonding force double-lever measuring device and measuring method thereof | |
| CN113624188B (en) | Detection device for roundness of automobile parts | |
| CN214041004U (en) | Adjustable test platform of rockwell hardness tester | |
| CN115112563A (en) | Brake disc check out test set | |
| CN109974650A (en) | Plain thrust bearing retainer clearance detector and method | |
| CN109655296B (en) | Electric power steering gear-mounting seat combined force detection mechanism | |
| CN219890913U (en) | Rockwell hardness tester with angle adjusting function | |
| CN202382725U (en) | Axial endplay detection device | |
| CN210639046U (en) | Sclerometer calibrating device | |
| CN114137152B (en) | Automatic nondestructive testing device for machine parts | |
| CN220983390U (en) | Multi-specification carbon block resistivity tester | |
| CN113049938A (en) | Bending performance testing device and method for semi-flexible or flexible circuit board | |
| CN220932856U (en) | Automatic detection device of telecommunication meter | |
| CN216816417U (en) | Thrust dynamic pressure gas bearing coating performance test bench | |
| CN218884912U (en) | Full-automatic gauge block comparator | |
| CN219328411U (en) | Device for detecting concentricity and straightness of long shaft | |
| CN214121786U (en) | Magnetic adsorption tool for hardness inspection | |
| CN114659550B (en) | Device for detecting electromagnetic force and displacement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |