CN217505050U - Slewing bearing starting torque testing device - Google Patents
Slewing bearing starting torque testing device Download PDFInfo
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- CN217505050U CN217505050U CN202220823068.XU CN202220823068U CN217505050U CN 217505050 U CN217505050 U CN 217505050U CN 202220823068 U CN202220823068 U CN 202220823068U CN 217505050 U CN217505050 U CN 217505050U
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- slewing bearing
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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 belongs to the technical field of slewing bearing test, in particular to a slewing bearing starting torque testing device, which comprises a testing platform and a torque sensor, wherein the torque sensor is positioned above the testing platform and has a moving degree of freedom in a vertical direction; the slewing bearing starting torque testing device further comprises: an outer ring gear; an inner positioning column; the driving assembly is mounted on the test platform to drive the outer gear ring to rotate; a linkage pressing plate; the utility model discloses a slewing bearing starts torque testing arrangement rotates through outer ring gear drive slewing bearing's outer lane, and linkage clamp plate follow-up pushes down slewing bearing in order to guarantee slewing bearing's stability, tests torque transmission to torque sensor through the cooperation of cross inserted bar and socket, and torque sensor can be by lift cylinder drive along vertical direction free movement, this testing arrangement convenient to use, need not bolt fastening slewing bearing, efficiency of software testing height.
Description
Technical Field
The utility model belongs to the technical field of the slewing bearing test, concretely relates to slewing bearing starting torque testing arrangement.
Background
The slewing bearing is a novel mechanical part and comprises an inner ring, an outer ring, a rolling body and the like, and the slewing bearing is a large bearing capable of bearing comprehensive loads and can simultaneously bear larger axial and radial loads and overturning moment.
Moment represents the physical quantity of the rotating effect generated when force acts on an object, the size of the bearing moment is also one of important parameters of the slewing bearing, and the starting moment test of the slewing bearing is necessary before the slewing bearing is put into use.
Traditional slewing bearing starts moment testing arrangement need use many bolts to fix slewing bearing when using, and the test procedure is very troublesome, and efficiency of software testing is slow.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned problem that exists among the prior art, the utility model provides a slewing bearing starts moment testing arrangement has convenient to use, easily operation and the high characteristics of efficiency of software testing.
In order to achieve the above purpose, the utility model provides a following technical scheme: the slewing bearing starting torque testing device comprises a testing platform and a torque sensor, wherein the torque sensor is positioned above the testing platform and has a moving degree of freedom in a vertical direction; the slewing bearing starting torque testing device further comprises:
the outer gear ring is rotatably mounted on the top surface of the test platform by utilizing a bearing support, and a plurality of outer positioning columns which are distributed at equal intervals along the circumferential direction are fixed on the top surface of the outer gear ring and are used for penetrating through mounting holes of an outer ring of the slewing bearing;
the inner positioning columns are fixed on the top surface of the test platform at equal intervals along the circumferential direction and are used for penetrating through mounting holes of the inner ring of the slewing bearing;
the driving assembly is mounted on the test platform to drive the outer gear ring to rotate;
the linkage pressing plate is positioned right above the outer gear ring, a socket is fixed in the middle of the top surface of the linkage pressing plate, a cross insertion rod is installed on an input shaft of the torque sensor, and a cross slot for the cross insertion rod to be embedded into is formed in the top surface of the socket; and a plurality of positioning sleeves which are distributed at equal intervals along the circumferential direction are fixed on the bottom surface of the linkage pressing plate, and the top ends of the outer positioning columns can be embedded into the positioning sleeves.
As a preferred technical scheme of the utility model, drive assembly includes driving gear and driving motor, the driving gear is located test platform top and with outer ring gear meshes mutually, driving motor installs test platform bottom surface and drive the driving gear is rotatory.
As a preferred technical scheme of the utility model, the utility model also comprises an overhanging plate and a lifting cylinder, wherein the torque sensor is arranged on the bottom surface of the overhanging plate; a vertical plate is fixed on the top surface of the test platform, a guide sliding plate is fixed on the end surface of the overhanging plate, and a guide sliding hole for the guide sliding plate to penetrate through is formed in the vertical plate; and a supporting plate is further fixed on the vertical plate, the lifting cylinder is installed on the top surface of the supporting plate, and a piston rod of the lifting cylinder is fixedly connected with the overhanging plate.
As an optimal technical scheme of the utility model the direction slide internal fixation has a run through the direction stand that the direction slide set up, just the cover is equipped with and is in respectively on the direction stand the direction slide top surface with top surface in the direction slide and direction slide bottom surface with balance spring between the bottom surface in the direction slide.
As a preferred technical scheme of the utility model, the utility model further comprises a connecting column, a mounting frame, a roller and a telescopic spring, wherein two symmetrically distributed U-shaped plates are fixed on the outer wall of the guide sliding plate, the connecting column penetrates through the U-shaped plates, the mounting frame is fixed at the end part of the connecting column, and the roller is mounted on the inner side of the mounting frame; a limiting ring is fixed on the connecting column, and the telescopic spring is sleeved on the connecting column and is positioned between the limiting ring and the outer wall of the guide sliding plate.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a slewing bearing starts torque testing arrangement rotates through outer ring gear drive slewing bearing's outer lane, and linkage clamp plate follow-up pushes down slewing bearing in order to guarantee slewing bearing's stability, tests torque transmission to torque sensor through the cooperation of cross inserted bar and socket, and torque sensor can be by lift cylinder drive along vertical direction free movement, this testing arrangement convenient to use, need not bolt fastening slewing bearing, efficiency of software testing height.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the guide slide plate of the present invention;
fig. 3 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;
in the figure: 1. a test platform; 2. a torque sensor; 3. an outer ring gear; 4. an outer locating post; 5. an inner positioning column; 6. a driving gear; 7. a drive motor; 8. a linkage pressing plate; 9. a cross inserted link; 10. a socket; 11. a cross slot; 12. positioning the sleeve; 13. a cantilevered panel; 14. a guide slide plate; 15. a vertical plate; 16. a guide slide hole; 17. a guide upright post; 18. a balance spring; 19. a support plate; 20. a lifting cylinder; 21. a U-shaped plate; 22. connecting columns; 23. a mounting frame; 24. a roller; 25. a limiting ring; 26. a telescoping spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides the following technical solutions: the slewing bearing starting torque testing device comprises a testing platform 1 and a torque sensor 2, wherein the torque sensor 2 is positioned above the testing platform 1 and has a moving degree of freedom in a vertical direction; the slewing bearing starting torque testing device further comprises: the outer gear ring 3 is supported by a bearing and rotatably mounted on the top surface of the test platform 1, and a plurality of outer positioning columns 4 which are distributed at equal intervals along the circumferential direction are fixed on the top surface of the outer gear ring 3 and are used for penetrating through mounting holes of an outer ring of the slewing bearing; the inner positioning columns 5 are fixed on the top surface of the testing platform 1 at equal intervals along the circumferential direction and used for penetrating through mounting holes of the inner ring of the slewing bearing; the driving assembly is arranged on the test platform 1 to drive the outer gear ring 3 to rotate; the linkage pressing plate 8 is positioned right above the outer gear ring 3, a socket 10 is fixed in the middle of the top surface of the linkage pressing plate 8, a cross insertion rod 9 is installed on an input shaft of the torque sensor 2, and a cross slot 11 for the cross insertion rod 9 to be embedded into is formed in the top surface of the socket 10; when the rotary bearing is used, the torque sensor 2 is firstly moved upwards to a proper height, the rotary bearing to be tested is placed on the outer gear ring 3, the outer positioning column 4 penetrates through a mounting hole of the outer ring of the rotary bearing, the inner positioning column 5 penetrates through a mounting hole of the inner ring of the rotary bearing, therefore, when the outer ring of the rotary bearing rotates, the inner ring of the rotary bearing keeps static, then the linkage pressing plate 8 is placed on the rotary bearing for pressing down the rotary bearing, the top end of the outer positioning column 4 is embedded into the positioning sleeve 12, the torque sensor 2 is started to move downwards until the cross insertion rod 9 is embedded into the cross insertion slot 11, finally, the driving component is started to drive the outer gear ring 3 to rotate, and the outer gear ring 3 drives the outer ring of the rotary bearing to rotate, the slewing bearing outer ring drives the linkage pressing plate 8 to rotate, the linkage pressing plate 8 drives the input shaft of the torque sensor 2 to rotate by utilizing the matching of the socket 10 and the cross insertion rod 9, the starting torque of the slewing bearing is tested by utilizing the torque sensor 2, the testing device is convenient to use, the slewing bearing does not need to be fixed by bolts, and the testing efficiency is high.
Specifically, according to the illustration in fig. 1, in this embodiment, the driving assembly includes a driving gear 6 and a driving motor 7, the driving gear 6 is located above the testing platform 1 and is engaged with the outer gear ring 3, the driving motor 7 is installed on the bottom surface of the testing platform 1 and drives the driving gear 6 to rotate, and under the engagement action, the driving gear 6 drives the outer gear ring 3 to rotate.
Specifically, as shown in fig. 1, the present embodiment further includes an overhanging plate 13 and a lifting cylinder 20, wherein the torque sensor 2 is installed on the bottom surface of the overhanging plate 13; a vertical plate 15 is fixed on the top surface of the test platform 1, a guide sliding plate 14 is fixed on the end surface of the overhanging plate 13, and a guide sliding hole 16 for the guide sliding plate 14 to penetrate through is formed in the vertical plate 15; a supporting plate 19 is further fixed on the vertical plate 15, a lifting cylinder 20 is mounted on the top surface of the supporting plate 19, a piston rod of the lifting cylinder 20 is fixedly connected with the overhanging plate 13, the lifting cylinder 20 drives the torque sensor 2 to freely move along the vertical direction by using the overhanging plate 13, and when the overhanging plate 13 moves, the guide sliding plate 14 is driven to move in the guide sliding hole 16.
Specifically, according to fig. 1, in the present embodiment, a guide post 17 penetrating through the guide sliding plate 14 is fixed in the guide sliding hole 16, and a balance spring 18 respectively located between the top surface of the guide sliding plate 14 and the inner top surface of the guide sliding hole 16 and between the bottom surface of the guide sliding plate 14 and the inner bottom surface of the guide sliding hole 16 is sleeved on the guide post 17, so as to improve the stability of the cantilever plate 13.
Specifically, as shown in fig. 1 and fig. 2, in this embodiment, the guide sliding plate further includes a connecting column 22, a mounting frame 23, a roller 24 and a telescopic spring 26, two U-shaped plates 21 symmetrically distributed are fixed on the outer wall of the guide sliding plate 14, the connecting column 22 penetrates through the U-shaped plates 21, the mounting frame 23 is fixed at the end of the connecting column 22, and the roller 24 is mounted inside the mounting frame 23; a limiting ring 25 is fixed on the connecting column 22, the telescopic spring 26 is sleeved on the connecting column 22 and is located between the limiting ring 25 and the outer wall of the guide sliding plate 14, under the elastic action of the telescopic spring 26, the roller 24 can be tightly attached to the inner wall of the guide sliding hole 16, when the overhanging plate 13 moves, the guide sliding plate 14 is driven to move in the guide sliding hole 16, the roller 24 rolls, and the stability of the overhanging plate 13 is further improved.
The utility model discloses a theory of operation and use flow: the utility model discloses a slewing bearing starts moment testing arrangement, when using, at first start the lift cylinder 20 and make torque sensor 2 shift up to suitable height, place the slewing bearing that awaits measuring on outer ring gear 3, make outer reference column 4 run through the mounting hole of slewing bearing outer lane, interior location post 5 runs through the mounting hole of slewing bearing inner circle, therefore, when the slewing bearing outer lane is rotatory, the slewing bearing inner circle keeps static;
then, a linkage pressing plate 8 is placed on the slewing bearing and used for pressing down the slewing bearing, the top end of an outer positioning column 4 is embedded into a positioning sleeve 12, a lifting cylinder 20 is started to enable a torque sensor 2 to move downwards until a cross insertion rod 9 is embedded into a cross slot 11, finally a motor 7 is driven, the driving motor 7 drives a driving gear 6 to rotate, under the meshing relation, the driving gear 6 drives an outer gear ring 3 to rotate, the outer gear ring 3 drives an outer ring of the slewing bearing to rotate, the outer ring of the slewing bearing drives the linkage pressing plate 8 to rotate, the linkage pressing plate 8 drives an input shaft of the torque sensor 2 to rotate by utilizing the matching of a socket 10 and the cross insertion rod 9, the starting torque of the slewing bearing is tested by utilizing the torque sensor 2, the testing device is convenient to use, does not need to fix the slewing bearing by bolts, and is high in testing efficiency.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. Slewing bearing starts moment testing arrangement, including test platform (1) and torque sensor (2), its characterized in that: the moment sensor (2) is positioned above the test platform (1) and has a degree of freedom of movement in the vertical direction; the slewing bearing starting torque testing device further comprises:
the outer gear ring (3) is supported by a bearing and rotatably mounted on the top surface of the test platform (1), and a plurality of outer positioning columns (4) which are distributed at equal intervals along the circumferential direction are fixed on the top surface of the outer gear ring (3) and are used for penetrating through mounting holes of an outer ring of the slewing bearing;
the inner positioning columns (5) are fixed on the top surface of the testing platform (1) at equal intervals along the circumferential direction and used for penetrating through mounting holes of the inner ring of the slewing bearing;
the driving assembly is mounted on the test platform (1) to drive the outer gear ring (3) to rotate;
the linkage pressing plate (8) is positioned right above the outer gear ring (3), a socket (10) is fixed in the middle of the top surface of the linkage pressing plate (8), a cross insertion rod (9) is installed on an input shaft of the torque sensor (2), and a cross insertion slot (11) for the cross insertion rod (9) to be embedded into is formed in the top surface of the socket (10); a plurality of positioning sleeves (12) which are distributed at equal intervals along the circumferential direction are fixed on the bottom surface of the linkage pressing plate (8), and the top ends of the outer positioning columns (4) can be embedded into the positioning sleeves (12).
2. The slewing bearing startup torque testing device of claim 1, wherein: the driving assembly comprises a driving gear (6) and a driving motor (7), the driving gear (6) is located above the testing platform (1) and meshed with the outer gear ring (3), and the driving motor (7) is installed on the bottom surface of the testing platform (1) and drives the driving gear (6) to rotate.
3. The slewing bearing startup torque testing device of claim 1, wherein: the device is characterized by also comprising an overhanging plate (13) and a lifting cylinder (20), wherein the torque sensor (2) is arranged on the bottom surface of the overhanging plate (13); a vertical plate (15) is fixed on the top surface of the test platform (1), a guide sliding plate (14) is fixed on the end surface of the overhanging plate (13), and a guide sliding hole (16) for the guide sliding plate (14) to penetrate through is formed in the vertical plate (15); a supporting plate (19) is further fixed on the vertical plate (15), the lifting cylinder (20) is installed on the top surface of the supporting plate (19), and a piston rod of the lifting cylinder (20) is fixedly connected with the overhanging plate (13).
4. The slewing bearing startup torque testing device of claim 3, wherein: a guide upright post (17) penetrating through the guide sliding plate (14) is fixed in the guide sliding hole (16), and a balance spring (18) respectively positioned between the top surface of the guide sliding plate (14) and the inner top surface of the guide sliding hole (16) and between the bottom surface of the guide sliding plate (14) and the inner bottom surface of the guide sliding hole (16) is sleeved on the guide upright post (17).
5. The slewing bearing startup torque testing device of claim 4, wherein: the guide sliding plate is characterized by further comprising a connecting column (22), a mounting frame (23), rollers (24) and a telescopic spring (26), wherein two symmetrically distributed U-shaped plates (21) are fixed on the outer wall of the guide sliding plate (14), the connecting column (22) penetrates through the U-shaped plates (21), the mounting frame (23) is fixed at the end part of the connecting column (22), and the rollers (24) are mounted on the inner side of the mounting frame (23); a limiting ring (25) is fixed on the connecting column (22), and the telescopic spring (26) is sleeved on the connecting column (22) and is positioned between the limiting ring (25) and the outer wall of the guide sliding plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220823068.XU CN217505050U (en) | 2022-04-11 | 2022-04-11 | Slewing bearing starting torque testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220823068.XU CN217505050U (en) | 2022-04-11 | 2022-04-11 | Slewing bearing starting torque testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217505050U true CN217505050U (en) | 2022-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220823068.XU Active CN217505050U (en) | 2022-04-11 | 2022-04-11 | Slewing bearing starting torque testing device |
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| CN (1) | CN217505050U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116858536A (en) * | 2023-07-03 | 2023-10-10 | 徐州丰禾回转支承制造股份有限公司 | Slewing bearing performance test detection device |
-
2022
- 2022-04-11 CN CN202220823068.XU patent/CN217505050U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116858536A (en) * | 2023-07-03 | 2023-10-10 | 徐州丰禾回转支承制造股份有限公司 | Slewing bearing performance test detection device |
| CN116858536B (en) * | 2023-07-03 | 2024-02-23 | 徐州丰禾回转支承制造股份有限公司 | Slewing bearing performance test detection device |
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