CN111121702A - Bearing angular play detection device - Google Patents
Bearing angular play detection device Download PDFInfo
- Publication number
- CN111121702A CN111121702A CN201911258389.9A CN201911258389A CN111121702A CN 111121702 A CN111121702 A CN 111121702A CN 201911258389 A CN201911258389 A CN 201911258389A CN 111121702 A CN111121702 A CN 111121702A
- Authority
- CN
- China
- Prior art keywords
- bearing
- mandrel
- inner ring
- base
- accommodating groove
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- 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.)
- Pending
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
-
- 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
Abstract
The invention discloses a bearing angular play detection device, which comprises a base, wherein a bearing fixing seat for fixing a bearing to be detected is arranged on the base, a mandrel is arranged on the base, one end of the mandrel is provided with a station to be detected for sleeving an inner ring of the bearing to be detected, the other end of the mandrel is provided with a loading mechanism for applying radial loading force to the mandrel, a height gauge for detecting the deflection angle of the mandrel is arranged on the mandrel, and the bearing fixing seat comprises an outer ring fixing piece for fixing an outer ring of the bearing and an inner ring fixing piece for fixing an inner ring of the bearing.
Description
Technical Field
The invention relates to the technical field of bearing equipment, in particular to a bearing angular play detection device.
Background
The bearing can bear loads of different sizes in high-speed movement, the bearing is composed of a set of precise balls, a retainer, an inner ring and an outer ring, angular play of the bearing refers to angular swinging amount between the inner ring and the outer ring of the bearing, the angular play is one of important for detecting bearing quality, the inner ring or the outer ring of the existing bearing angular play detection device is deflected by manually applying load force, so that the operation precision of the existing bearing angular play detection device is poor, the bearing is damaged when excessive force is applied, the actual angular play of the bearing cannot be accurately detected when the excessive force is applied, the stress condition of the bearing under the actual working condition cannot be accurately achieved by manually applying the load force, and the deviation of detection data and the actual data is large.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the bearing angular play detection device which is good in operation precision and more accurate in detection data.
The invention provides a bearing angular play detection device, which comprises a base, wherein a bearing fixing seat used for fixing a bearing to be detected is arranged on the base, a mandrel is arranged on the base, one end of the mandrel is provided with a station to be detected for sleeving an inner ring of the bearing to be detected, the other end of the mandrel is provided with a loading mechanism used for applying radial loading force to the mandrel, a height gauge used for detecting the deflection angle of the mandrel is arranged on the mandrel, and the bearing fixing seat comprises an outer ring fixing piece used for fixing an outer ring of the bearing and an inner ring fixing piece used for fixing an inner ring of the bearing.
The beneficial effect who so sets up is: by adopting the scheme, the mandrel is horizontally placed at the initial position, and the altimeter is set to zero when the mandrel is horizontally placed. When the angular play of the bearing needs to be detected, the inner ring of the bearing to be detected is sleeved into a station to be detected of a mandrel, then the bearing to be detected is fixed on the station to be detected by a bearing fixing seat, the inner ring of the bearing is linked with the mandrel, then a loading mechanism is operated to apply radial loading force to the mandrel, so that the mandrel is driven to generate a certain deflection angle so as to drive the inner ring of the bearing to generate a certain deflection angle, after the deflection angle is generated, a difference S between the front part and the rear part of an altimeter can be read, the contact radius between the head of the altimeter and the mandrel is R, and S/2R (degrees) is the angular play value of the bearing to be detected, the device can customize mandrels with different lengths to be adapted to bearings with different sizes, the adaptability is high, the loading force is applied to the mandrel through the loading mechanism, the operation precision is higher compared with manual application, and the loading force can be adjusted, so that the loading force applied by the device can accurately reach, thereby making the experimental data more accurate.
The loading mechanism comprises an ejector rod, the ejector rod penetrates through the containing groove and is arranged in a manner of abutting against the core shaft, a pre-tightening spring used for providing loading force for the ejector rod is arranged between the ejector rod and the bottom of the containing groove in an abutting manner, and a cover cap used for preventing the ejector rod from popping out of the containing groove is clamped at the opening of the containing groove.
The beneficial effect who so sets up is: adopt above-mentioned scheme, only need take out the shroud from the holding notch when needing to apply radial load power for the dabber, the ejector pin can be radially contradicted with the dabber this moment, thereby the pretightning force of pretension spring can the ejector pin radially be applied and accomplish the application of dabber radial load power at the dabber, this loading mechanism and storage tank setting are in the base, do not occupy the other spaces of base, thereby the space has been saved, and the spring can customize the atress condition of different specifications with the bearing under the simulation different environment, whether the angular play of this bearing from many aspects can satisfy the demands.
The invention is further provided that an adjusting nut for adjusting the pretightening force of the pretightening spring is screwed in the accommodating groove, and the adjusting nut extends outwards of the accommodating groove and is provided with an operating head.
The beneficial effect who so sets up is: adopt above-mentioned scheme, this adjusting nut is inconsistent with the prediction spring, and through rotating the operating head alright make this adjusting nut screw or unscrew in the storage tank thereby adjust this ejector pin to the size of the radial loading power that the dabber applyed, this adjusting nut is simple when the pretightning force is adjusted in the operation to laborsaving.
The invention is further provided with a positioning boss for abutting against the inner ring of the bearing to be tested, and the inner ring fixing piece is screwed on the mandrel and combined with the positioning boss to form clamping of the inner ring of the bearing to be tested.
The beneficial effect who so sets up is: by adopting the scheme, when the bearing inner ring to be detected is fixed, the inner ring fixing piece is sleeved into the mandrel and screwed in place in the direction of the station to be detected, at the moment, the inner ring fixing piece can be abutted against one end of the bearing inner ring to be detected, the other end of the bearing inner ring to be detected is abutted against the positioning boss, so that the inner ring fixing piece and the positioning boss form clamping for the bearing inner ring to be detected, when the clamping for the bearing inner ring to be detected is relieved, the inner ring fixing piece only needs to be rotated towards the station to be detected, the inner ring fixing piece is convenient to operate, and the fixing stability.
The invention is further provided with an annular groove for accommodating the bearing outer ring in the base relative to the position of the station to be detected, a collision step for colliding the bearing outer ring to be detected is formed on the annular groove, a thread groove extends outwards from the annular groove to the base along the axial direction, and the outer ring fixing piece is screwed in the thread groove and is in contact with the collision step.
The beneficial effect who so sets up is: by adopting the scheme, when the outer ring of the bearing to be detected is fixed, the outer ring fixing piece is only required to be arranged in the thread groove and screwed in place in the direction of the station to be detected, at the moment, the outer ring fixing piece can be abutted against one end of the outer ring of the bearing to be detected, and the other end of the inner ring of the bearing to be detected is abutted against the abutting step, so that the outer ring fixing piece and the abutting step form clamping for the outer ring of the bearing to be detected, the outer ring fixing piece is convenient to operate, and.
Drawings
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is an enlarged view of a portion a of fig. 1 according to an embodiment of the present invention.
Detailed Description
In fig. 1, the X-axis direction is an axial direction, and the Y-axis direction is a radial direction.
As can be seen from fig. 1 to 2, the invention discloses a bearing angular play detection device, which comprises a base 1, wherein a bearing fixing seat 3 for fixing a bearing 2 to be detected is arranged on the base 1, a mandrel 4 is arranged on the base 1, one end of the mandrel 4 is provided with a station 41 to be detected for sleeving an inner ring of the bearing 2 to be detected, the other end of the mandrel 4 is provided with a loading mechanism 5 for applying radial loading force to the mandrel 4, a height gauge 6 for detecting the deflection angle of the mandrel 4 is arranged on the mandrel 4, and the bearing fixing seat 3 comprises an outer ring fixing part 31 for fixing an outer ring of the bearing 2 and an inner ring fixing part 32 for fixing an inner ring of the bearing 2. The beneficial effect who so sets up is: by adopting the scheme, the mandrel 4 is horizontally placed at the initial position, and the height gauge 6 is set to be zero when the mandrel 4 is horizontally placed. When the angular play of the bearing 2 needs to be detected, the inner ring of the bearing 2 to be detected is sleeved into a station 41 to be detected of a mandrel 4, then the bearing 2 to be detected is fixed on the station 41 to be detected by a bearing fixing seat 3, the inner ring of the bearing 2 is linked with the mandrel 4 at the moment, then a loading mechanism 5 is operated to apply radial loading force to the mandrel 4, so that the mandrel 4 is driven to generate a certain deflection angle, the inner ring of the bearing 2 is driven to generate a certain deflection angle, after the deflection angle is generated, a difference S between the front part and the rear part of an altimeter 6 can be read, the contact radius between the head of the altimeter 6 and the mandrel 4 is R, S/2R (degree) is an angular play value of the bearing 2 to be detected, the device can customize mandrels 4 with different lengths to be matched with bearings 2 with different sizes, the adaptability is high, the loading mechanism 5 applies loading force to the mandrel 4, the operation precision is higher than that of manual application, and the, therefore, the loading force applied by the device can accurately reach the stress condition of the bearing 2 under the actual working condition, and the experimental data is more accurate.
The base 1 is provided with an accommodating groove 7 along the radial direction, the loading mechanism 5 comprises an ejector rod 51, the ejector rod 51 is arranged on the accommodating groove 7 in a penetrating manner and is abutted to the mandrel 4, a pre-tightening spring 52 for providing loading force for the ejector rod 51 is arranged between the ejector rod 51 and the bottom of the accommodating groove 7 in an abutting manner, and a cover cap 71 for preventing the ejector rod 51 from popping out of the accommodating groove 7 is clamped at the opening of the accommodating groove 7. The beneficial effect who so sets up is: adopt above-mentioned scheme, only need take out shroud 71 from accommodating groove 7 mouth when needing to exert radial load power for dabber 4, ejector pin 51 can radially contradict with dabber 4 this moment, and pretightning force of pretension spring 52 can radially exert on dabber 4 thereby accomplish application of dabber 4 radial load power of ejector pin 51, this loading mechanism 5 sets up in base 1 with accommodating groove 7, do not occupy other spaces of base 1, thereby the space has been saved, and the spring can customize different specifications in order to simulate the atress condition of bearing 2 under the different environment, whether the angular play of this bearing 2 from many aspects can satisfy the requirement.
An adjusting nut 8 for adjusting the pretightening force of the pretightening spring 52 is screwed in the accommodating groove 7, and the adjusting nut 8 extends out of the accommodating groove 7 and is provided with an operating head 81. The beneficial effect who so sets up is: adopt above-mentioned scheme, this adjusting nut 8 is inconsistent with the prediction spring, and through rotating operating head 81 alright make this adjusting nut 8 screw up or the size of adjusting this pretension spring 52 pretightning force in the storage tank 7 in order to adjust the size of this ejector pin 51 to the radial loading power that dabber 4 applyed, this adjusting nut 8 is simple when the pretightning force is adjusted in the operation to laborsaving.
The mandrel 4 is provided with a positioning boss 42 for abutting against the inner ring of the bearing 2 to be tested, and the inner ring fixing piece 32 is screwed on the mandrel 4 and combined with the positioning boss 42 to form clamping of the inner ring of the bearing 2 to be tested. The beneficial effect who so sets up is: by adopting the above scheme, when the inner ring of the bearing 2 to be measured is fixed, the inner ring fixing piece 32 only needs to be sleeved into the mandrel 4 and screwed in place in the direction of the station 41 to be measured, at this time, the inner ring fixing piece 32 can be pressed against one end of the inner ring of the bearing 2 to be measured, and the other end of the inner ring of the bearing 2 to be measured is pressed against the positioning boss 42, so that the inner ring fixing piece 32 and the positioning boss 42 form clamping on the inner ring of the bearing 2 to be measured, and only the inner ring fixing piece 32 needs to be rotated away from the station 41 to be measured when the clamping on the inner ring of the bearing 2 to be measured is.
Above-mentioned be provided with the ring channel 11 that is used for holding the bearing 2 outer lane for station 41 position that awaits measuring in the base 1, be formed with the conflict step 13 that is used for conflicting the bearing 2 outer lane that awaits measuring on the ring channel 11, ring channel 11 extends outward to base 1 along the axial has thread groove 12, outer lane mounting 31 spiro union in thread groove 12 and with conflict step 13. The beneficial effect who so sets up is: adopt above-mentioned scheme, only need pack into the thread groove 12 with outer lane mounting 31 when fixed 2 outer rings of bearing that awaits measuring and screw when targetting in place toward 41 directions of station that awaits measuring, outer lane mounting 31 can be inconsistent with the one end of 2 outer rings of bearing that awaits measuring this moment, and the other end of 2 inner rings of bearing that awaits measuring is inconsistent with conflict step 13 to make outer lane mounting 31 and conflict step 13 form the clamp to 2 outer rings of bearing that awaits measuring, this outer lane mounting 31 convenient operation, and fixed stability is stronger.
The above-mentioned embodiments are only preferred embodiments of the present invention, and therefore, the scope of the present invention should not be limited by the above-mentioned embodiments, and therefore, equivalent changes, such as equivalent products using similar processes and similar structures, made by the claims of the present invention, are also included in the scope of the present invention.
Claims (5)
1. The utility model provides a bearing angle play detection device, includes the base, be provided with the bearing fixing base that is used for fixed bearing that awaits measuring on the base, its characterized in that: the base is provided with a mandrel, one end of the mandrel is provided with a station to be tested, the station to be tested is sleeved with a bearing inner ring to be tested, the other end of the mandrel is provided with a loading mechanism used for applying radial loading force to the mandrel, the mandrel is provided with a height gauge used for detecting the deflection angle of the mandrel, and the bearing fixing seat comprises an outer ring fixing piece used for fixing a bearing outer ring and an inner ring fixing piece used for fixing a bearing inner ring.
2. The bearing angular play detection apparatus according to claim 1, characterized in that: the base is provided with an accommodating groove along the radial direction, the loading mechanism comprises an ejector rod, the ejector rod penetrates through the accommodating groove and is arranged in a manner of being abutted to the mandrel, a pre-tightening spring used for providing loading force for the ejector rod is arranged between the ejector rod and the bottom of the accommodating groove in an abutting manner, and a cover cap used for preventing the ejector rod from popping out of the accommodating groove is clamped at the opening of the accommodating groove.
3. The bearing angular play detection apparatus according to claim 2, characterized in that: the adjusting nut used for adjusting the pretightening force of the pre-tightening spring is arranged in the accommodating groove in a threaded connection mode, and the adjusting nut extends out of the accommodating groove to form an operating head.
4. The bearing angular play detection apparatus according to claim 1, characterized in that: the mandrel is provided with a positioning boss for abutting against the inner ring of the bearing to be tested, and the inner ring fixing piece is screwed on the mandrel and combined with the positioning boss to form clamping of the inner ring of the bearing to be tested.
5. The bearing angular play detection apparatus according to claim 1, 2, or 4, characterized in that: the utility model discloses a bearing inner race measuring device, including base, station position that awaits measuring, be provided with the ring channel that is used for holding the bearing inner race in the base for the station position that awaits measuring, be formed with the conflict step that is used for conflicting the bearing inner race that awaits measuring on the ring channel, the ring channel extends outward along the axial to the base has the thread groove, outer lane mounting spiro union forms the clamp tight to the bearing inner race that awaits measuring in the thread groove and.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911258389.9A CN111121702A (en) | 2019-12-10 | 2019-12-10 | Bearing angular play detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911258389.9A CN111121702A (en) | 2019-12-10 | 2019-12-10 | Bearing angular play detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111121702A true CN111121702A (en) | 2020-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911258389.9A Pending CN111121702A (en) | 2019-12-10 | 2019-12-10 | Bearing angular play detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN111121702A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397570A (en) * | 2020-05-22 | 2020-07-10 | 西安飞机工业（集团）有限责任公司 | Chamfer angle measuring method for joint bearing |
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| CN101876525A (en) * | 2010-06-07 | 2010-11-03 | 无锡市第二轴承有限公司 | Instrument for measuring oscillation backlash of bearing |
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| CN111397570A (en) * | 2020-05-22 | 2020-07-10 | 西安飞机工业（集团）有限责任公司 | Chamfer angle measuring method for joint bearing |
| CN111397570B (en) * | 2020-05-22 | 2021-07-16 | 西安飞机工业（集团）有限责任公司 | Method for measuring swing angle of joint bearing |
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Address after: 325000 Binhai five road 515, Wenzhou economic and Technological Development Zone, Zhejiang Applicant after: C&U Co.,Ltd. Applicant after: SHANGHAI C&U GROUP Co.,Ltd. Address before: 325000 Binhai five road 515, Wenzhou economic and Technological Development Zone, Zhejiang Applicant before: C & U Group Ltd. Applicant before: SHANGHAI C&U GROUP Co.,Ltd. |
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Application publication date: 20200508 |