CN219178444U - Device for measuring original clearance of double-row tapered roller bearing - Google Patents
Device for measuring original clearance of double-row tapered roller bearing Download PDFInfo
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- CN219178444U CN219178444U CN202223338773.XU CN202223338773U CN219178444U CN 219178444 U CN219178444 U CN 219178444U CN 202223338773 U CN202223338773 U CN 202223338773U CN 219178444 U CN219178444 U CN 219178444U
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- bearing
- mounting shaft
- bearing seat
- tapered roller
- pressing plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a device for measuring the original clearance of a double-row tapered roller bearing, which comprises a bearing seat, a mounting shaft and a pressing plate, wherein the bearing seat is of an open-top cylinder structure, the mounting shaft is coaxial with the bearing seat and is positioned in an inner cavity of the bearing seat, the mounting shaft is used for sleeving a bearing and is matched with an inner ring of the bearing, a round table for abutting against one end of an outer ring of the bearing is formed at the bottom of the inner cavity of the bearing seat, and the top of the bearing seat is connected with a pressing structure for abutting against the other end of the outer ring of the bearing; the pressing plate covers the upper part of the installation shaft and is respectively used for abutting against two ends of the bearing inner ring with the bottom of the installation shaft, and the formed assembly can move axially and rotate radially. The utility model has the beneficial effects that after the spacer ring is matched and ground before the bearing is arranged on the gear box and the original clearance is adjusted, the spacer ring is matched and ground through a box assembly instead of the follow-up clearance adjustment, and the manpower and material resources and the time cost are reduced.
Description
Technical Field
The utility model relates to a bearing clearance mating tool, in particular to a device for measuring the original clearance of a double-row tapered roller bearing.
Background
The double-row tapered roller bearing can bear radial and axial combined loads mainly in the radial direction, so that the double-row tapered roller bearing is widely used in wind power gearboxes. The requirements of the bearing capacity and the service life are relatively high, and the play is an important index for influencing the bearing capacity and the service life. Bearing play can be divided into original play, installation play and working play according to the state of the bearing play. In wind power gearboxes, double row tapered roller bearings with spacers are typically used for the selective tapered roller bearings, and the thickness of the spacers is selected or trimmed to achieve the required axial play (installation play). In practice, the original play, the installation play and the working play have a one-to-one correspondence under specific working conditions.
In the existing wind power gear box assembly, the bearing clearance meets the requirement by adjusting the installation clearance. After the whole parts of the shaft, the bearing and the like are assembled into the box body, the bearing installation clearance is measured by adopting a pulling method, and the bearing spacer is subjected to mating grinding after the measured value is compared with the recommended installation clearance value of a bearing manufacturer. Typically the entire adjustment of the installation play involves multiple opening and closing of the gearbox and mating of the spacer. Resulting in high costs of manpower and material resources and time for adjusting the installation play.
Disclosure of Invention
The utility model aims to provide a device for measuring the original clearance of a double-row tapered roller bearing, which reduces the manpower and material resources for adjusting the installation clearance and the time cost.
In order to achieve the above purpose, the present utility model adopts the following technical scheme.
The device for measuring the original clearance of the double-row tapered roller bearing comprises a bearing seat, a mounting shaft and a pressing plate, wherein the bearing seat is of an open-top cylindrical structure as a whole, the mounting shaft is coaxial with the bearing seat and is positioned in an inner cavity of the bearing seat, the mounting shaft is used for sleeving the bearing and is matched with an inner ring of the bearing, a round table for abutting against one end of an outer ring of the bearing is formed at the bottom of the inner cavity of the bearing seat, and a pressing structure for abutting against the other end of the outer ring of the bearing is connected to the top of the bearing seat; the pressing plate covers the upper part of the installation shaft and is respectively used for abutting against two ends of the bearing inner ring with the bottom of the installation shaft, and the formed assembly can move axially and rotate radially.
According to the utility model, the bearing seat is used for installing the bearing, the inner cavity is formed on the bearing seat, the installation shaft is coaxially installed in the inner cavity, the bearing is conveniently sleeved on the installation shaft, the bearing inner ring is matched with the installation shaft, the bearing shaft center is positioned, the bottom of the installation shaft is abutted against one end of the bearing inner ring, the pressing plate is covered on the installation shaft, the pressing plate is abutted against the other end of the bearing inner ring, and the bearing inner ring is axially positioned. The bearing seat is characterized in that a round table is formed on the inner cavity of the bearing seat and abuts against one end of the outer ring of the bearing, a pressing structure for abutting against the other end of the outer ring of the bearing is connected to the top of the bearing seat, the outer ring of the bearing is axially positioned, the inner ring of the bearing is rotatably driven by the rotating installation shaft disc, the clearance of the bearing is measured, the spacer is matched and ground, the measured clearance is identical to the original clearance, and after the original clearance is adjusted and finished by the pre-matched and ground spacer, the installation clearance matched and ground is completed, the subsequent matched and ground spacer is replaced, the installation clearance is adjusted, and the manpower and material resources and the time cost are reduced.
Preferably, a round table is formed at the lower end of the installation shaft, the pressing plate is round integrally, the diameter of the pressing plate is larger than that of the installation shaft, and an annular groove for receiving the bearing inner ring is formed by the round table and the circular ring of the pressing plate extending out of the installation shaft.
Annular grooves for receiving two ends of the bearing inner ring are formed by the circular table at the bottom of the mounting shaft and the circular ring of the pressing plate extending out of the mounting shaft, so that the bearing inner ring is axially positioned, and the subsequent mating and grinding of the spacer ring is facilitated.
Preferably, a plurality of through holes which are circularly and uniformly distributed are formed in the pressing plate, a plurality of threaded holes corresponding to the through holes are formed in the top of the mounting shaft, and a plurality of first bolts respectively penetrate through the through holes and the threaded holes to connect the cover plate to the mounting shaft.
The cover plate is connected to the mounting shaft through the first bolt, so that the cover plate is convenient to take down, and the mating efficiency is improved.
Preferably, a through hole is formed in the center of the pressing plate, a screw hole is formed in the top of the mounting shaft, a lifting screw is mounted through the through hole and the screw hole, the bearing inner ring rotates through the lifting screw disc, and a lifting ring of the lifting screw is used for being matched with a spring balance hook.
Through connecting the eye screw on clamp plate and installation axle, be convenient for through the cooperation of the rings of spring balance couple and eye screw, be convenient for under certain pulling force, detect radial play value.
Preferably, the pressing structure comprises a cover plate and a plurality of second bolts, the second bolts are screwed on the cover plate and are uniformly distributed in a round shape, and the threaded end of each second bolt abuts against the upper end of the bearing outer ring.
The second bolts are arranged and screwed on the cover plate and are uniformly distributed in a round shape, the threaded end of each second bolt abuts against the upper end of the bearing outer ring, and the distance that the second bolts extend out of the cover plate is convenient to adjust when the spacer ring is matched and ground so as to axially position the bearing outer rings with various sizes.
Preferably, the cover plate is provided with a plurality of through holes uniformly distributed in a round shape, the top of the bearing seat is provided with a plurality of threaded holes corresponding to the through holes, and the cover plate is connected to the bearing seat by screwing the connecting bolts with the threaded holes through the through holes.
Therefore, the cover plate is connected with the top of the bearing seat through the connecting bolt, so that the cover plate is convenient to detach and install.
Preferably, the round table on the bearing seat, the round table on the mounting shaft, the pressing plate and the cover plate are parallel.
Like this, with the round platform on the bearing frame, the epaxial round platform of installation, clamp plate and apron homogeneous phase parallel, the accuracy of the axial positioning of the bearing inner circle and outer lane of assurance of being convenient for.
The bearing pedestal has the beneficial effects that the bearing pedestal is used for installing the bearing, an inner cavity is formed on the bearing pedestal, the installation shaft is coaxially installed in the inner cavity, the bearing is conveniently sleeved on the installation shaft, the bearing inner ring is matched with the installation shaft, the bearing shaft is positioned, the bottom of the installation shaft is abutted against one end of the bearing inner ring, the installation shaft is covered with the pressing plate, the pressing plate is abutted against the other end of the bearing inner ring, and the bearing inner ring is axially positioned. The bearing seat is characterized in that a round table is formed on the inner cavity of the bearing seat and abuts against one end of the outer ring of the bearing, a pressing structure for abutting against the other end of the outer ring of the bearing is connected to the top of the bearing seat, the outer ring of the bearing is axially positioned, the inner ring of the bearing is rotatably driven by the rotating installation shaft disc, the clearance of the bearing is measured, the spacer is matched and ground, the measured clearance is identical to the original clearance, and after the original clearance is adjusted and finished by the pre-matched and ground spacer, the installation clearance matched and ground is completed, the subsequent matched and ground spacer is replaced, the installation clearance is adjusted, and the manpower and material resources and the time cost are reduced.
Drawings
Fig. 1 is a structural diagram of the present utility model.
Detailed Description
The utility model will be further described with reference to the accompanying drawings, which are not intended to limit the utility model to the embodiments described.
Reference numerals in the drawings of the specification include: the bearing comprises a connecting bolt 1, a cover plate 2, a bearing seat 3, a bearing inner ring 42, a bearing outer ring 41, a bearing spacer 5, a suspension ring screw 7, a pressing plate 8, a mounting shaft 9 and a first bolt 10.
Referring to fig. 1, a device for measuring the original play of a double-row tapered roller bearing comprises a bearing seat 3, a mounting shaft 9 and a pressing plate 8, wherein the bearing seat 3 is of an open-top cylindrical structure as a whole, the mounting shaft 9 is coaxial with the bearing seat 3 and is positioned in an inner cavity of the bearing seat 3, the mounting shaft 9 is used for sleeving a bearing and is matched with an inner ring of the bearing, a round table for abutting against one end of an outer ring 41 of the bearing is formed at the bottom of the inner cavity of the bearing seat 3, and a pressing structure for abutting against the other end of the outer ring 41 of the bearing is connected to the top of the bearing seat 3; the pressing plate 8 covers the upper part of the mounting shaft 9, and is respectively used for abutting against two ends of the bearing inner ring 42 with the bottom of the mounting shaft 3, and the formed assembly can move along the axial direction and rotate along the radial direction.
Referring to fig. 1, a circular table is formed at the lower end of the mounting shaft 9, the pressing plate 8 is circular overall, the diameter of the pressing plate 8 is larger than that of the mounting shaft 9, and an annular groove for receiving the bearing inner ring 42 is formed by the circular table and the circular ring of the pressing plate 8 extending out of the mounting shaft 9.
Referring to fig. 1, the pressing plate 8 is formed with a plurality of through holes uniformly distributed in a circular shape, a plurality of threaded holes corresponding to the through holes are formed at the top of the mounting shaft 9, and a plurality of first bolts 10 respectively pass through the through holes and the threaded holes to connect the cover plate 2 to the mounting shaft 9.
Referring to fig. 1, a through hole is formed in the center of the pressing plate 8, a screw hole is formed at the top of the mounting shaft 9, a lifting screw 7 is mounted through the through hole and the screw hole, the bearing inner ring 42 rotates through the lifting screw 7, and the lifting ring of the lifting screw 7 is used for being matched with a spring balance hook.
Referring to fig. 1, the pressing structure includes a cover plate 2 and a plurality of second bolts, where the second bolts are screwed on the cover plate 2 and are uniformly distributed in a circular shape, and a threaded end of each second bolt abuts against an upper end of the bearing outer ring 41.
Referring to fig. 1, the cover plate 2 is formed with a plurality of through holes uniformly distributed in a circular shape, the top of the bearing seat 3 is formed with a plurality of threaded holes corresponding to the through holes, and the connecting bolt 1 is screwed with the threaded holes through the through holes to connect the cover plate 2 to the bearing seat 3.
In the utility model, the round table on the bearing seat 3, the round table on the mounting shaft 9, the pressing plate 8 and the cover plate 2 are parallel.
During operation, the original clearance measurement tool for the tapered roller bearing is cleaned by clean wiping paper, and all sides of the tool are cleaned and wiped clean by the tapered roller bearing. The bearing seat 3 is horizontally arranged on the platform, the clamping platform is horizontally checked by using a level meter, and the clamping platform is adjusted to be horizontal by a filler rod and the like. The installation shaft 9 is horizontally placed on the ground, an assembly formed by the inner ring of the bearing and the balls is installed on the installation shaft 9, then the assembly is installed in the inner cavity of the bearing seat 3, the pressing plate 8 is installed and pressed by the first bolt 10, and meanwhile the lifting screw 7 is installed in the middle screw hole of the pressing plate 8 and is screwed. The bearing spacer 5 width was measured using an outside micrometer and recorded. Sequentially loading the outer ring of the bearing and the bearing spacer ring 5 into the bearing seat 3, coiling the bearing inner ring 42 by using the lifting ring screw 7 to rotate for more than five circles, loading the cover plate 2 and the connecting bolt 1 to compress after the conical roller bearing coiling is abnormal, and then compressing the bearing outer ring 41 by using the second bolt; note that the second bolt is to be tightened diagonally and in two steps. Two dial indicator bases are fixed on the cover plate 2 according to diagonal lines, note that the two dial indicator bases are simultaneously contacted with the end face of the pressing plate 8, and the spring balance is used for connecting the lifting ring screw 7 with the crane, so that the crane is slowly lifted. When the tension of the spring balance is about 2500N, recording the jumping amounts of the two dial indicators when the jumping amounts of the two dial indicators are consistent (the error of the two dial indicators is not more than 5 times) and the jumping is stable, otherwise, re-detecting the jumping amounts; the inner ring 42 of the disc bearing rotates for more than five circles, and when the jumping amounts of the two dial indicators are consistent (the two indicators have no more than 5 errors) and the jumping is stable, the jumping amounts of the two dial indicators are recorded; the first bolt 10 on the cover plate 2 is screwed again, the inner ring 42 of the disc bearing rotates more than five circles, and when the jumping amounts of the two dial indicators are consistent (the two indicator errors are not more than 5), and the jumping amounts of the two dial indicators are recorded when the jumping is stable. The data after each detection by the dial indicator is compared with the original play value provided by the manufacturer, and the bearing spacer 5 is subjected to wear. Repeating the steps until the original clearance of the tapered roller bearing meets the requirement. And complete the entire process data.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The device for measuring the original clearance of the double-row tapered roller bearing is characterized by comprising a bearing seat (3), a mounting shaft (9) and a pressing plate (8), wherein the bearing seat (3) is of an open-top cylindrical structure as a whole, the mounting shaft (9) is coaxial with the bearing seat (3) and is positioned in an inner cavity of the bearing seat (3), the mounting shaft (9) is used for sleeving a bearing and is matched with an inner ring of the bearing, a round table for abutting against one end of an outer ring (41) of the bearing is formed at the bottom of the inner cavity of the bearing seat (3), and the top of the bearing seat (3) is connected with a pressing structure for abutting against the other end of the outer ring (41) of the bearing; the pressing plate (8) covers the upper part of the mounting shaft (9) and is respectively used for abutting against two ends of the bearing inner ring (42) with the bottom of the mounting shaft (9), and the formed assembly can move axially and rotate radially.
2. Device for measuring the primary play of a double row tapered roller bearing according to claim 1, characterized in that the lower end of the mounting shaft (9) is formed with a circular table, the pressing plate (8) is circular as a whole, and the diameter of the pressing plate (8) is larger than the diameter of the mounting shaft (9), and an annular groove for receiving the bearing inner ring (42) is formed by the circular table and the circular ring of the pressing plate (8) extending out of the mounting shaft (9).
3. The device for measuring the original play of the double-row tapered roller bearing according to claim 1, wherein a plurality of circularly uniform through holes are formed in the pressing plate (8), a plurality of threaded holes corresponding to the through holes are formed in the top of the mounting shaft (9), and a plurality of first bolts (10) respectively pass through the through holes and the threaded holes to connect the cover plate (2) to the mounting shaft (9).
4. Device for measuring the original play of a double row tapered roller bearing according to claim 1, characterized in that the centre of the pressure plate (8) is formed with a through hole, the top of the mounting shaft (9) is formed with a screw hole, through which a lifting screw (7) is mounted, through which lifting screw (7) the bearing inner ring (42) is turned, the lifting ring of the lifting screw (7) is intended to cooperate with a spring balance hook.
5. The device for measuring the original play of the double-row tapered roller bearing according to claim 1, wherein the pressing structure comprises a cover plate (2) and a plurality of second bolts, the second bolts are screwed on the cover plate (2) and are uniformly distributed in a round shape, and the threaded end of each second bolt abuts against the upper end of the bearing outer ring (41).
6. A device for measuring the original play of a double-row tapered roller bearing according to claim 3, wherein a plurality of through holes which are uniformly distributed in a round shape are formed in the cover plate (2), a plurality of threaded holes corresponding to the through holes are formed in the top of the bearing seat (3), and a connecting bolt (1) is screwed with the threaded holes through the through holes to connect the cover plate (2) to the bearing seat (3).
7. Device for measuring the primary play of a double row tapered roller bearing according to claim 1, characterized in that the round table on the bearing block (3), the round table on the mounting shaft (9), the pressure plate (8) and the cover plate (2) are all parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223338773.XU CN219178444U (en) | 2022-12-12 | 2022-12-12 | Device for measuring original clearance of double-row tapered roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223338773.XU CN219178444U (en) | 2022-12-12 | 2022-12-12 | Device for measuring original clearance of double-row tapered roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219178444U true CN219178444U (en) | 2023-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223338773.XU Active CN219178444U (en) | 2022-12-12 | 2022-12-12 | Device for measuring original clearance of double-row tapered roller bearing |
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| CN (1) | CN219178444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116576756A (en) * | 2023-07-14 | 2023-08-11 | 临清市万达轴承有限公司 | Batch detection device for gap between inner rings of bearing |
-
2022
- 2022-12-12 CN CN202223338773.XU patent/CN219178444U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116576756A (en) * | 2023-07-14 | 2023-08-11 | 临清市万达轴承有限公司 | Batch detection device for gap between inner rings of bearing |
| CN116576756B (en) * | 2023-07-14 | 2023-10-13 | 临清市万达轴承有限公司 | Batch detection device for gap between inner rings of bearing |
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