CN114608751A - Crossed roller bearing grease leakage testing device and testing method thereof - Google Patents
Crossed roller bearing grease leakage testing device and testing method thereof Download PDFInfo
- Publication number
- CN114608751A CN114608751A CN202210217506.2A CN202210217506A CN114608751A CN 114608751 A CN114608751 A CN 114608751A CN 202210217506 A CN202210217506 A CN 202210217506A CN 114608751 A CN114608751 A CN 114608751A
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- bearing
- oil
- oil cavity
- connecting rod
- cavity base
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- 238000012360 testing method Methods 0.000 title claims abstract description 51
- 239000004519 grease Substances 0.000 title claims abstract description 25
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 239000003921 oil Substances 0.000 claims description 65
- 239000012208 gear oil Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000004088 simulation Methods 0.000 abstract description 6
- 238000010998 test method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 5
- 239000000945 filler Substances 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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Classifications
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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
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
-
- 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)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a crossed roller bearing grease leakage testing device and a testing method thereof, and relates to the technical field of bearing testing. The invention comprises the following steps: the oil cavity base is used for fixing the bearing; the oil cavity base is positioned on one side of the bearing and fixed with the outer ring of the bearing; the rotary connecting rod is used for driving the bearing; the rotary connecting rod is positioned at the other side of the bearing and is fixed with the inner ring of the bearing; an oil storage oil cavity and four locking screw holes are formed in one side of the oil cavity base, the four locking screw holes are located in the edge of one side of the oil cavity base, oil filling holes are formed in the peripheral side of the oil cavity base, and hole plugging screws are arranged inside the oil filling holes. The invention realizes the purposes of carrying out grease leakage test and controlling the bearing quality in the bearing manufacturing link, and the test method can simulate the working condition and can realize the equivalent simulation of the installed test condition through the structural matching design of the oil cavity base and the rotary connecting rod, and the test reliability is high; and the operation is simple, and the test can be realized without a complex driving device.
Description
Technical Field
The invention belongs to the technical field of bearing testing, and particularly relates to a crossed roller bearing grease leakage testing device and a testing method thereof.
Background
The crossed roller bearing is a core part in the robot speed reducer, and the quality of the crossed roller bearing directly determines the running quality of the speed reducer.
The bearing is filled with a certain amount of grease in the manufacturing process, and the bearing is contacted with gear lubricating oil in the later use process, so that the lubricating is a mixture of the grease and the gear oil in the actual working process of the bearing, and the grease leakage performance is one of key factors for determining the quality of the bearing, so that strict control is required in the bearing production and manufacturing link; however, the traditional test method for the crossed roller bearing is inconvenient for simulating working condition conditions and realizing equivalent simulation of installation test conditions, and the test reliability is low; the operation is difficult, and a complex driving device is needed to realize the test.
Disclosure of Invention
The invention aims to provide a crossed roller bearing grease leakage testing device and a testing method thereof, which aim to solve the existing problems: the traditional cross roller bearing test method is inconvenient for simulating working condition conditions, is inconvenient for realizing equivalent simulation of installed test conditions, and is low in test reliability.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a crossed roller bearing grease leakage testing device, which comprises:
the oil cavity base is used for fixing the bearing;
the oil cavity base is positioned on one side of the bearing and is fixed with the outer ring of the bearing;
the rotary connecting rod is used for driving the bearing;
the rotary connecting rod is positioned at the other side of the bearing and is fixed with the inner ring of the bearing.
Further, oil storage oil pocket and four locking screw holes, four have been seted up to one side of oil pocket base the locking screw hole is located the edge of oil pocket base one side, the oil filler point has been seted up to week side of oil pocket base, the inside of oil filler point is provided with the plug hole screw.
Furthermore, the oil cavity base is provided with one side of the oil storage oil cavity and attached to the bearing, and the oil cavity base is detachably connected with the outer ring of the bearing through the matching of four locking screw holes and screws.
Furthermore, the rotary extension rod comprises an extension rod part, a shaft section, a step and a screw through hole, wherein the step is fixed at one end of the extension rod part, the screw through hole is formed in the step, and the shaft section is fixed on one side, away from the extension rod part, of the step.
Furthermore, rotatory pole that connects is located the position department of bearing opposite side, rotatory pole that connects passes through the hole cooperation of shaft part and bearing, the step is laminated with the opposite side of bearing, rotatory pole that connects passes through the cooperation of screw via hole and screw and can dismantle with the bearing inner race and be connected.
Further, one end, far away from the bearing, of the rotary connecting rod is connected with the output end of the motor through the connecting rod part.
A cross roller bearing leaks fat testing arrangement and test method thereof is used for any one above, and the step is as follows:
s1: assembling the oil cavity base, the bearing and the rotary connecting rod;
s2: after the oil cavity base, the bearing and the rotary connecting rod are assembled, gear oil is filled into the oil storage oil cavity, and a hole plugging screw is screwed down for plugging;
s3: fixing the oil cavity base, driving the rotary connecting rod through a motor, and carrying out running-in test according to a preset test standard;
s4: whether the grease leakage condition exists at the oil seal part is regularly observed in the test process, and if the grease leakage condition is not found after the test is finished, the bearing sealing effect is good and the performance is reliable.
The invention has the following beneficial effects:
the invention realizes the purposes of carrying out grease leakage test and controlling the bearing quality in the bearing manufacturing link, and the test method can simulate the working condition and can realize the equivalent simulation of the installed test condition through the structural matching design of the oil cavity base and the rotary connecting rod, and the test reliability is high; and the operation is simple, and the test can be realized without a complex driving device.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a cross-sectional view of the connecting structure of the oil chamber base, the bearing, and the swivel rod of the present invention;
FIG. 2 is a schematic view of the overall construction of the oil chamber base of the present invention;
fig. 3 is a schematic view of the overall structure of the rotating connecting rod of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. an oil cavity base; 2. a bearing; 3. a rotary connecting rod; 11. a hole plugging screw; 12. an oil filler hole; 13. an oil storage cavity; 14. locking the screw hole; 21. oil sealing; 31. a rod portion; 32. a shaft section; 33. a step; 34. and (4) passing a screw through a hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-3, the present invention is a cross roller bearing grease leakage testing device, including:
the oil cavity base 1 is used for fixing a bearing 2;
the oil cavity base 1 is positioned on one side of the bearing 2 and is fixed with the outer ring of the bearing 2;
specifically, an oil storage cavity 13 and four locking screw holes 14 are formed in one side of an oil cavity base 1, the four locking screw holes 14 are located in the edge of one side of the oil cavity base 1, in order to facilitate filling of gear oil into the oil storage cavity 13, oil filling holes 12 are formed in the peripheral side of the oil cavity base 1, in order to facilitate plugging of the oil filling holes 12 to prevent leakage of the filled gear oil, and hole plugging screws 11 are arranged inside the oil filling holes 12;
wherein, the one side that oil storage oil pocket 13 was seted up to oil pocket base 1 is laminated with bearing 2 for the gear oil of filling can get into bearing 2, and oil pocket base 1 can be dismantled with bearing 2 outer lane through the cooperation of four locking screw holes 14 and screws and be connected, makes things convenient for the installation or the dismantlement of oil pocket base 1 and bearing 2.
The rotary connecting rod 3 is used for driving the bearing 2; the rotating connecting rod 3 drives the bearing 2 to rotate to simulate working condition conditions, so that equivalent installation simulation test conditions are realized;
the rotary extension rod 3 is positioned at the other side of the bearing 2 and fixed with the inner ring of the bearing 2.
Specifically, rotatory pole 3 connects including connecting pole part 31, shaft part 32, step 33, screw via hole 34, connects pole part 31 and bearing 2's being connected in order to realize, conveniently drives bearing 2 and rotates, connects the one end of pole part 31 to be fixed with step 33, and screw via hole 34 has been seted up to the inside of step 33, and one side that step 33 kept away from and connects pole part 31 is fixed with shaft part 32.
Wherein, rotatory pole 3 that connects is located the position department of bearing 2 opposite side, and rotatory pole 3 passes through the hole cooperation of shaft part 32 with bearing 2, and step 33 and the opposite side laminating of bearing 2, rotatory pole 3 passes through screw through hole 34 and the cooperation of screw can dismantle fixed connection with bearing 2 inner circle, makes things convenient for the installation or the dismantlement of rotatory pole 3 and bearing 2.
Wherein, in order to drive rotatory extension rod 3 and drive the bearing 2 inner circle and rotate simulation installation test condition, the one end that rotatory extension rod 3 kept away from bearing 2 links to each other through the output that connects rod part 31 and motor, drives rotatory extension rod 3 through the starter motor and rotates, or connects to drive rotatory extension rod 3 through other power device and connect rod part 31 and rotate.
Example two:
on the basis of the above example 1, the test method thereof is disclosed:
the first step is as follows: assembling an oil cavity base 1, a bearing 2 and a rotary connecting rod 3 as shown in figure 1;
the second step is that: after the oil cavity base 1, the bearing 2 and the rotary connecting rod 3 are assembled, gear oil is filled into the oil storage oil cavity 13, and the hole plugging screw 11 is screwed down for plugging;
the third step: fixing the oil cavity base 1, driving the rotary connecting rod 3 through a motor, and carrying out running-in test according to a preset test standard;
the fourth step: whether the grease leakage condition exists at the oil seal 21 part is regularly observed in the test process, and if the grease leakage condition is not found after the test is finished, the bearing 2 has good sealing effect and reliable performance.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a cross roller bearing leaks fat testing arrangement which characterized in that: the method comprises the following steps:
the oil cavity base (1) is used for fixing the bearing (2);
the oil cavity base (1) is positioned on one side of the bearing (2) and is fixed with the outer ring of the bearing (2);
the rotary connecting rod (3) is used for driving the bearing (2);
the rotary connecting rod (3) is positioned at the other side of the bearing (2) and is fixed with the inner ring of the bearing (2).
2. The crossed roller bearing grease leakage testing device as claimed in claim 1, wherein an oil storage cavity (13) and four locking screw holes (14) are formed in one side of the oil cavity base (1), the four locking screw holes (14) are located at the edge of one side of the oil cavity base (1), an oil filling hole (12) is formed in the peripheral side of the oil cavity base (1), and a hole plugging screw (11) is arranged inside the oil filling hole (12).
3. The crossed roller bearing grease leakage testing device as claimed in claim 2, wherein one side of the oil chamber base (1) provided with the oil storage oil chamber (13) is attached to the bearing (2), and the oil chamber base (1) is detachably connected with the outer ring of the bearing (2) through matching of four locking screw holes (14) and screws.
4. The crossed roller bearing grease leakage testing device according to claim 1, wherein the rotary extension rod (3) comprises an extension rod part (31), a shaft section (32), a step (33) and a screw through hole (34), the step (33) is fixed at one end of the extension rod part (31), the screw through hole (34) is formed in the step (33), and the shaft section (32) is fixed at one side, away from the extension rod part (31), of the step (33).
5. The crossed roller bearing grease leakage testing device according to claim 4, wherein the rotary connecting rod (3) is located at the position of the other side of the bearing (2), the rotary connecting rod (3) is matched with an inner hole of the bearing (2) through a shaft section (32), the step (33) is attached to the other side of the bearing (2), and the rotary connecting rod (3) is detachably connected with an inner ring of the bearing (2) through matching of a screw through hole (34) and a screw.
6. A cross roller bearing grease leakage test device according to claim 4, characterized in that the end of the rotating extension bar (3) remote from the bearing (2) is connected to the output of the motor through an extension bar part (31).
7. A testing method of a crossed roller bearing grease leakage testing device, which is used for the crossed roller bearing grease leakage testing device of any one of claims 1 to 3, and comprises the following steps:
s1: assembling an oil cavity base (1), a bearing (2) and a rotary connecting rod (3);
s2: after the oil cavity base (1), the bearing (2) and the rotary connecting rod (3) are assembled, gear oil is filled into the oil storage oil cavity (13), and a hole plugging screw (11) is screwed down for plugging;
s3: fixing the oil cavity base (1), driving the rotary connecting rod (3) through a motor, and performing running-in test according to a preset test standard;
s4: whether the grease leakage condition exists at the oil seal (21) part is regularly observed in the test process, and if the grease leakage condition is not found after the test is finished, the bearing (2) has good sealing effect and reliable performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210217506.2A CN114608751A (en) | 2022-03-07 | 2022-03-07 | Crossed roller bearing grease leakage testing device and testing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210217506.2A CN114608751A (en) | 2022-03-07 | 2022-03-07 | Crossed roller bearing grease leakage testing device and testing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114608751A true CN114608751A (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210217506.2A Pending CN114608751A (en) | 2022-03-07 | 2022-03-07 | Crossed roller bearing grease leakage testing device and testing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114608751A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115436055A (en) * | 2022-11-03 | 2022-12-06 | 万向钱潮股份公司 | Low-temperature water intrusion test device for automobile hub bearing |
-
2022
- 2022-03-07 CN CN202210217506.2A patent/CN114608751A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115436055A (en) * | 2022-11-03 | 2022-12-06 | 万向钱潮股份公司 | Low-temperature water intrusion test device for automobile hub bearing |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20231008 Address after: Building E Workshop, No. 220 Chengnan Road, Xinwu District, Wuxi City, Jiangsu Province, 214000 Applicant after: Wuxi Yulu Precision Industry Co.,Ltd. Address before: 214028 No. 1 Lijiang Road, New District, Wuxi City, Jiangsu Province Applicant before: Wuxi No.2 Bearing Co.,Ltd. |
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| TA01 | Transfer of patent application right |