CN114659786A - Open bearing life detects frock - Google Patents
Open bearing life detects frock Download PDFInfo
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- CN114659786A CN114659786A CN202210280744.8A CN202210280744A CN114659786A CN 114659786 A CN114659786 A CN 114659786A CN 202210280744 A CN202210280744 A CN 202210280744A CN 114659786 A CN114659786 A CN 114659786A
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- test end
- bearing
- bushing
- wall
- test
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- 238000005096 rolling process Methods 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 239000004519 grease Substances 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 230000001502 supplementing effect Effects 0.000 claims abstract description 10
- 230000001050 lubricating effect Effects 0.000 claims abstract description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 13
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses an open bearing service life detection tool which comprises a mandrel, wherein two test end bushings are sleeved on the mandrel, rolling grooves for rolling of an open bearing to be detected are formed in the two test end bushings, a sealing part for sealing the rolling grooves is arranged on the test end bushings, an oil supplementing part for supplementing lubricating grease into the rolling grooves is arranged on the test end bushings, and a first force application assembly for applying radial loads to the two test end bushings and a second force application assembly for applying axial loads to the two test end bushings are arranged on the mandrel. The invention solves the problem that the prior art lacks a tool for detecting the service life of the split bearing.
Description
Technical Field
The invention relates to the technical field of bearing detection tools, in particular to an open type bearing service life detection tool.
Background
The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision. Before the bearing is sold or transported or installed, manufacturers or purchasers usually detect the bearing, the detection contents include the service life of the bearing, the operation temperature rise, the noise and the like, some manufacturers can purchase the bearing according to self-produced parts or products at present, for example, a deep groove ball bearing, two cylindrical roller bearings and a main shaft are assembled, the bearing cannot be independently disassembled for detection when the service life of the bearing is detected, three or more bearings are required to be synchronously sleeved on a core shaft for rotation and then are detected, the bearings are all open type bearings, lubricating grease in the open type bearings can be gradually extruded and leaked when the open type bearings rotate, so that the grease in the open type bearings is less and less when the open type bearings operate, and further the phenomenon of grease exhaustion or dry rotation occurs, therefore, the market lacks a detection device for detecting the service life of the open type bearings, the detection device also needs to have the functions of supplementing grease, providing load and the like.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a tool for detecting the service life of an open bearing, and aims to solve the problem that the tool for detecting the service life of the open bearing is lacked in the prior art.
In order to achieve the purpose, the invention provides a tool for detecting the service life of an open bearing, which comprises a mandrel, wherein two test end bushings are sleeved on the mandrel, rolling grooves for the external open bearing to be detected to roll are formed in the two test end bushings, a sealing piece for sealing the rolling grooves is arranged on the test end bushings, an oil supplementing piece for supplementing lubricating grease into the rolling grooves is arranged on the test end bushings, and a first force application assembly for applying radial loads to the two test end bushings and a second force application assembly for applying axial loads to the two test end bushings are arranged on the mandrel.
The technical scheme is adopted, and the method has the advantages that: an operator places a bearing to be detected in a rolling groove, for example, a specific deep groove ball bearing and one of the cylindrical roller bearings are placed in the rolling groove of the left test end bushing, the other cylindrical roller bearing is placed in the rolling groove of the right test end bushing, the rolling groove is sealed by a sealing piece, then, a mandrel is driven to axially rotate by an external driving motor, the mandrel rotates and drives the bearing to be detected to rotate, the service life of the bearing to be detected is judged by continuous rotation, grease can be continuously supplemented into the rolling groove by an oil supplementing piece in the detection process, and the phenomenon that the bearing is dry-rotated or is depleted of grease is avoided, so that the bearing is scrapped or operates in advance; after the service life of the conventional bearing is detected, an operator can apply radial loads to the two test end bushings through the first force application assembly or apply axial loads to the two test end bushings through the second force application assembly, different variables are added to obtain different data under the condition that the rotating speeds of the mandrels are consistent, for example, when the first force application assembly applies the radial loads to the test end bushings, the radial loads can be transmitted to the bearing to be detected, under the condition that the rotating speeds of the mandrels are consistent, the service lives of the bearing under the impact of different radial loads can be detected through the addition of different radial loads, data recording is carried out, and the detection range of the technology is further improved; can be provided with a spacer ring in the slot roll among the above-mentioned technique, the spacer ring is located two and is waited to detect between the bearing, avoids both to contact each other or influence to lead to detecting the precision to descend.
The invention further sets up: the sealing part comprises two sealing plates which are respectively arranged on two sides of the test end bushing, the two sealing plates and the rolling grooves are combined to form a rolling cavity, and the two sealing plates are detachably connected with the outer wall of the test end bushing through fixing bolts.
The technical scheme is adopted, and the method has the advantages that: the setting up of two shroudings makes the rolling groove can seal completely and form and roll the chamber in the above-mentioned technique, and then makes things convenient for follow-up operating personnel to carry out the grease through mending oily piece to its inside and supply, can also ensure simultaneously to detect the inside grease of bearing and can not leak, and the setting up of two shroudings can also seal the rolling groove and then ensure to detect the bearing and can not rock at the dabber, remove or break away from and roll the chamber.
The invention further provides that: every all be provided with the notes fat mouth on the shrouding outer wall, every all set up on the shrouding outer wall with the notes oil pipe way of adjacent notes fat mouth intercommunication, every the notes oil pipe way all sets up with adjacent rolling chamber intercommunication, the notes fat mouth is for mending oil spare.
The technical scheme is adopted, and the method has the advantages that: the grease injection nozzle and the grease injection pipeline are arranged to facilitate timing grease supplement for operators in the roller cavity, so that grease exhaustion or dry rotation cannot occur in the bearing to be detected when the bearing to be detected is subjected to a life test, the bearing is scrapped in advance, and even experimental data errors are caused.
The invention further provides that: one of them the test end bush is the cooperation end bush, one of them shrouding on the cooperation end bush is for supplying external hydraulic pressure force application equipment to carry out the axial impact pad that the load was strikeed, the spindle is overlapped and is equipped with axial loading bearing, axial loading bearing outer lane periphery wall sets up with the rolling groove internal perisporium clearance fit of cooperation end bush, be provided with the contact ring that is used for axial loading bearing outer lane lateral wall to contact on the axial impact pad inner wall.
The technical scheme is adopted, and the method has the advantages that: when external hydraulic force application equipment applies corresponding axial load to the axial impact pad, the axial load can be transmitted to the outer ring of the axial loading bearing through the contact ring, then is transmitted to the inner ring of the axial loading bearing through the rolling body of the axial loading bearing, and then is transmitted to the mandrel through the inner ring of the axial loading bearing, then the load impact force can act on the bearing to be detected through the mandrel, so that under the condition that the mandrel has the same rotating speed and is supplemented with grease, the service life or temperature rise and other numerical values of the bearing to be detected can be detected through changing the axial load impact, and the detection range is further expanded.
The invention further provides that: the inner peripheral wall surface of the sealing plate is an abutting surface which is used for abutting against the outer ring side wall and the inner ring side wall of the bearing to be detected from the outside.
The technical scheme is adopted, and the method has the advantages that: the outer wall surface of the sealing plate in the technology is a conflict surface for being used for waiting with the outside to detect the bearing outer ring side wall and the inner ring side wall to be inconsistent, and the combination of two sealing plates forms the limit to waiting to detect the bearing outer ring and the inner ring, so that the phenomenon that the bearing is rocked or overturned in the rolling groove can not occur to the waiting to detect, and further the guarantee detection process can not go wrong.
The invention further provides that: the spindle is sleeved with an accompanying test bearing, the first force application assembly comprises a middle bushing, the middle bushing is sleeved on an outer ring of the accompanying test bearing, the two sides of the middle bushing are respectively arranged on the test end bushing, and an impact surface for the external hydraulic force application device to impact radial load is arranged on the outer peripheral wall of the middle bushing.
The technical scheme is adopted, and the method has the advantages that: the setting up of face of strikeing makes things convenient for external hydraulic pressure application of force to equip to carry out radial load to it and assaults for well bush can transmit to the bearing that waits to detect of both sides through accompany examination bearing and dabber when receiving radial load and assault on, this radial load can transmit the dabber again by the dabber transmit wait to detect the bearing inner race, under the condition that the dabber is with the rotational speed and with grease replenishment, detect detection numerical values such as life or temperature rise or noise that wait to detect the bearing through change radial load, further enlarged detection range.
The invention further provides that: the distance between the middle bushing and the left test end bushing is larger than the distance between the middle bushing and the right test end bushing.
The technical scheme is adopted, and the method has the advantages that: the interval between bush and the left side test end bush is greater than the interval between well bush and the right side test end bush in the above-mentioned technique, make when well bush receives radial load, because the interval between right side test end bush and the well bush is less, make the radial load that the right side test end bush born be greater than the radial load that the left side test end bush born, the radial load that the bearing that awaits measuring in the right side test end bush rolling slot that promptly receives will be greater than its radial load that bears of left side test end bush, through the impact contrast of two sets of different loads, make operating personnel can detect the life or the numerical value such as temperature rise of a plurality of bearings of the same group under the same rotational speed condition of dabber.
Drawings
FIG. 1 is a three-dimensional view of the present invention;
fig. 2 is a cross-sectional view of the present invention.
Detailed Description
The invention provides a tool for detecting the service life of an open bearing, which comprises a mandrel 1, wherein two test end bushings 2 are sleeved on the mandrel 1, rolling grooves 21 for the external open bearing to be detected to roll are respectively formed in the two test end bushings 2, a sealing part for sealing the rolling grooves 21 is arranged on the test end bushings 2, an oil supplementing part for supplementing lubricating grease into the rolling grooves 21 is arranged on the test end bushings 2, a first force application component for applying radial load to the two test end bushings 2 and a second force application component for applying axial load to the two test end bushings 2 are arranged on the mandrel 1, the sealing part comprises two sealing plates 22 respectively arranged at two sides of the test end bushings 2, the two sealing plates 22 and the rolling grooves 21 are combined to form a rolling cavity, and the two sealing plates 22 are detachably connected with the outer walls of the test end bushings 2 through fixing bolts, each sealing plate 22 is provided with a grease injection nozzle 23 on the outer wall thereof, each sealing plate 22 is provided with an oil injection pipeline 231 communicated with the adjacent grease injection nozzle 23 on the outer wall thereof, each oil injection pipeline 231 is communicated with the adjacent rolling cavity, each grease injection nozzle 23 is an oil supplement piece, one of the test end bushings 2 is a matching end bushing 3, one of the sealing plates 22 on the matching end bushing 3 is an axial impact pad 31 for load impact of external hydraulic force application equipment, the mandrel 1 is sleeved with an axial loading bearing 32, the outer circumferential wall of the outer ring of the axial loading bearing 32 is in clearance fit with the inner circumferential wall of the rolling groove 21 of the matching end bushing 3, the inner wall of the axial impact pad 31 is provided with a contact ring 33 for contacting the outer circumferential wall of the axial loading bearing 32, the inner circumferential wall of the sealing plate 22 is a contact surface 221 for contacting the outer circumferential wall and the inner circumferential wall of the outer ring of the bearing to be detected, the cover is equipped with and accompanies examination bearing 4 on the dabber 1, first application of force subassembly includes well bush 41, well bush 41 cover is established on accompanying examination bearing 4 outer lane, two bush 41 both sides in experimental end bush 2 branch is located, set up on the well bush 41 periphery wall and supply external hydraulic pressure force application device to carry out the impact face 42 that radial load strikes, the interval between well bush 41 and the left side experimental end bush 2 is greater than the interval between bush 41 and the right side experimental end bush 2.
The bearing to be detected in the above technology is marked with 5 in the drawings of the specification.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides an open bearing life detects frock which characterized in that: the test device comprises a mandrel, wherein two test end bushings are sleeved on the mandrel, rolling grooves for allowing the outside to detect rolling of an open bearing to be tested are formed in the test end bushings, closing parts for closing the rolling grooves are arranged on the test end bushings, oil supplementing parts for supplementing lubricating grease into the rolling grooves are arranged on the test end bushings, and a first force application assembly for applying radial loads to the two test end bushings and a second force application assembly for applying axial loads to the two test end bushings are arranged on the mandrel.
2. The open bearing service life detection tool of claim 1, characterized in that: the sealing part comprises two sealing plates which are respectively arranged on two sides of the test end bushing, the two sealing plates and the rolling grooves are combined to form a rolling cavity, and the two sealing plates are detachably connected with the outer wall of the test end bushing through fixing bolts.
3. The open bearing service life detection tool of claim 2, characterized in that: every all be provided with the notes fat mouth on the shrouding outer wall, every all set up on the shrouding outer wall with the notes oil pipe way of adjacent notes fat mouth intercommunication, every the notes oil pipe way all sets up with adjacent rolling chamber intercommunication, the notes fat mouth is for mending oil spare.
4. The open bearing service life detection tool of claim 2, characterized in that: one of them the test end bush is the cooperation end bush, one of them shrouding on the cooperation end bush is for supplying external hydraulic pressure force application equipment to carry out the axial impact pad that the load was strikeed, the spindle is overlapped and is equipped with axial loading bearing, axial loading bearing outer lane periphery wall sets up with the rolling groove internal perisporium clearance fit of cooperation end bush, be provided with the contact ring that is used for axial loading bearing outer lane lateral wall to contact on the axial impact pad inner wall.
5. The open bearing service life detection tool of claim 2, characterized in that: the inner peripheral wall surface of the sealing plate is an abutting surface which is used for abutting against the outer ring side wall and the inner ring side wall of the bearing to be detected from the outside.
6. The open bearing service life detection tool according to claim 1, characterized in that: the spindle is sleeved with an accompanying test bearing, the first force application assembly comprises a middle bushing, the middle bushing is sleeved on an outer ring of the accompanying test bearing, the two sides of the middle bushing are respectively arranged on the test end bushing, and an impact surface for the external hydraulic force application device to impact radial load is arranged on the outer peripheral wall of the middle bushing.
7. The open bearing service life detection tool of claim 4, characterized in that: the distance between the middle bushing and the left test end bushing is larger than the distance between the middle bushing and the right test end bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210280744.8A CN114659786A (en) | 2022-03-21 | 2022-03-21 | Open bearing life detects frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210280744.8A CN114659786A (en) | 2022-03-21 | 2022-03-21 | Open bearing life detects frock |
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| Publication Number | Publication Date |
|---|---|
| CN114659786A true CN114659786A (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210280744.8A Pending CN114659786A (en) | 2022-03-21 | 2022-03-21 | Open bearing life detects frock |
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| Country | Link |
|---|---|
| CN (1) | CN114659786A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975659A (en) * | 2010-08-27 | 2011-02-16 | 洛阳轴研科技股份有限公司 | High-speed dynamic simulation test method for electric mainshaft bearing |
| JP2014095648A (en) * | 2012-11-12 | 2014-05-22 | Honda Motor Co Ltd | Friction tester of rolling bearing |
| CN105910821A (en) * | 2016-04-12 | 2016-08-31 | 人本集团有限公司 | Railway motor bearing testing machine |
| CN108061654A (en) * | 2017-12-05 | 2018-05-22 | 人本集团有限公司 | Bearing Dynamic performance examination machine |
| CN113203568A (en) * | 2021-05-14 | 2021-08-03 | 上海人本精密机械有限公司 | High-speed sealed bearing testing machine |
-
2022
- 2022-03-21 CN CN202210280744.8A patent/CN114659786A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975659A (en) * | 2010-08-27 | 2011-02-16 | 洛阳轴研科技股份有限公司 | High-speed dynamic simulation test method for electric mainshaft bearing |
| JP2014095648A (en) * | 2012-11-12 | 2014-05-22 | Honda Motor Co Ltd | Friction tester of rolling bearing |
| CN105910821A (en) * | 2016-04-12 | 2016-08-31 | 人本集团有限公司 | Railway motor bearing testing machine |
| CN108061654A (en) * | 2017-12-05 | 2018-05-22 | 人本集团有限公司 | Bearing Dynamic performance examination machine |
| CN113203568A (en) * | 2021-05-14 | 2021-08-03 | 上海人本精密机械有限公司 | High-speed sealed bearing testing machine |
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