CN114894475A - Wind power main bearing testing machine with shafting - Google Patents
Wind power main bearing testing machine with shafting Download PDFInfo
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- CN114894475A CN114894475A CN202210432954.4A CN202210432954A CN114894475A CN 114894475 A CN114894475 A CN 114894475A CN 202210432954 A CN202210432954 A CN 202210432954A CN 114894475 A CN114894475 A CN 114894475A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
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- 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 invention provides a wind power main bearing testing machine with a shafting, which is characterized by comprising a rear bearing frame, a loading oil cylinder, a loading cover, an accompanying bearing, a main bearing with a shafting, a front loading cover, a driving system, a ground rail vehicle and the like; a shafting fixed ring is fixed on the front loading cover through a tool, and a moving ring offsets rotation through an accompanying bearing; the load of the main bearing with the shafting is generated by a loading oil cylinder, is transmitted through an auxiliary bearing and rotates through a driving system; the invention can load and test wind power main bearings and shafting of different types and different types together, ensures the inclination angle between the shafting and the hub, realizes multiple purposes of one machine, can simulate the actual use state of the main bearing more truly, and can simultaneously realize the loading of axial force, radial force and overturning moment.
Description
Technical Field
The invention relates to a large-scale bearing test bench, in particular to a wind power main bearing test machine with a shafting.
Background
In recent years, the market development of wind driven generators is rapid, and the development of the industry of wind power main bearings is brought. In the research and development process of the wind power main bearing, products of different types and specifications need to be tested, parameters such as axial and radial loads, temperature rise, stress strain, rotating speed and torque are recorded, and a basis is provided for theoretical calculation, reliability design and fatigue life prediction. At present, the domestic test bed only tests the main bearing, and does not consider the influence of factors such as shafting structure, shafting rigidity, installation inclination angle and the like on the service life of the bearing. Because the wind power main shaft system rotates in an internal mode and rotates in an external mode, and the wind power main shaft system directly drives in a semi-direct mode, the structure difference is large, the inclination angles of the shaft system and a hub are different, and no test equipment capable of carrying out loading test on the wind power main bearing with the shaft system exists in China at present.
Disclosure of Invention
The invention aims to provide a wind power main bearing testing machine with a shafting, which can load and test a wind power main bearing and an inner shafting and an outer shafting together and ensure the inclination angle between the shafting and a hub.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a take shafting wind-powered electricity generation main bearing testing machine, its characterized in that includes concrete platform 1, back bearing frame 2, loading cylinder 3, loading lid 4, first oblique transition flange 5, accompany and try on bearing 6, transition flange 7, take shafting main bearing 8, the oblique transition flange 9 of second, preceding loading lid 10, actuating system 11, ground rail car 12, shafting base 13 and testing machine platform 14, square platform hole 11 has been seted up on concrete platform 1, square carrier hole 21 has been seted up to back bearing frame 2, set up square loading lid hole 41 on the loading lid 4, platform hole 11 bearing frame hole 21 with loading lid hole 41 can for actuating system 11 arranges and leaves the space, be close to on the testing machine platform 14 near loading lid 4 is equipped with recess 141, for the space is left in arranging of loading cylinder 3.
Loading cylinder 3 contains axial force hydro-cylinder 31, radial force hydro-cylinder 33, the moment hydro-cylinder 32 that topples, through different combinations, produces different axial force, radial force and the moment of toppling, satisfies the bearing test demand of different models, 3 both sides of loading cylinder are equipped with articulated fixing base 34, articulated fixing base 34 is fixed respectively back bearing frame 2 with on the loading lid 4, the both sides of hydro-cylinder body loading cylinder 3 respectively with articulated fixing base 34 is articulated.
The load generated by the loading oil cylinder 3 acts on the loading cover 4, and then the load is loaded on the main bearing 8 with the shafting through the first oblique transition flange 5, the test-accompanying bearing 6 and the transition flange 7, the first oblique transition flange 5 can be replaced by a first oblique transition flange A51 or a first oblique transition flange B52, the test-accompanying bearing 6 can be replaced by a test-accompanying bearing A61 and a test-accompanying bearing B62, the transition flange 7 can be replaced by a transition flange A71 and a transition flange B72, the main bearing 8 with the shafting can be replaced by a main bearing A81 with the shafting and a main bearing B82 with the shafting, and the first oblique transition flange 5, the test-accompanying bearing 6 and the transition flange 7. The transition flange 7 is matched with the main bearing 8 with the shaft system, and the first oblique transition flange A51, the test-accompanying bearing A61, the transition flange A71 and the main bearing A81 with the shaft system are matched; the first oblique transition flange B52, the test-accompanying bearing B62, the transition flange B72 and the main bearing B82 with the shaft system are used in a matched mode.
The inner ring of the test-accompanying bearing 6 rotates along with the moving coil of the main bearing 8 with the shafting, and the outer ring is fixed, so that the loading cover 4 is ensured to be fixed in position in the test process.
The main bearing 8 with the shafting is fixed on the front loading cover 10 through the second oblique transition flange 9, or fixed on the testing machine platform 14 through the shafting base 13, and the second oblique transition flange 9 can be replaced by a second oblique transition flange A91.
The first oblique transition flange 5 and the second oblique transition flange 9 are oblique angles with the same angle, so that the main bearing 8 with the shafting generates an inclination angle, the oblique transition flanges need to be redesigned during different shafting tests, the inclination angle of the transition flange is changed, and the inclination angle of the main bearing can be changed, so that the relative position state of the main bearing and the hub in the actual use process is simulated.
After the loading cover 4, the loading oil cylinder 3 and the test accompanying bearing 6 are disassembled, the loading cover can move back and forth through the ground rail vehicle 12, and an operation space is reserved during installation.
The main bearing 8 with the shaft system rotates through a driving system 11, the driving system 11 comprises a driving motor 111, a reduction gearbox 112, a universal coupling 113 and a transfer flange 114, the driving motor 111 is mounted on a driving motor base 1111, and two motor hanging rings 1112 which are arranged diagonally are further arranged on the driving motor 111; four corners of the base of the reduction box 112 are respectively provided with four screw holes 1121.
Eight ground rail wheels 121 are arranged on the ground rail vehicle 12, two ground rail wheels 121 are respectively arranged at four corners of the ground rail vehicle 12, a ground rail vehicle track 122 is arranged below the ground rail wheels 121, the ground rail vehicle track 122 is in an I shape, and the ground rail vehicle track 122 is fixed on the testing machine platform 14; grooves are arranged on the circumferential surface of the ground rail wheel 121, and the width of each groove is slightly larger than that of the upper surface of the ground rail vehicle track 122; the upper and lower adjusting device 123, the left and right adjusting device 124 and the rollers 125 are arranged on the ground rail car 12, when the loading cover 4 and the first oblique transition flange 5 are assembled when the ground rail car 12 moves, the bolt holes have a dislocation phenomenon, the posture of the loading cover 4 can be adjusted in two directions through the upper and lower adjusting device and the left and right adjusting device, so that the loading cover can be conveniently moved when the loading cover is adjusted due to the fact that a plurality of rows of the rollers 125 are arranged between the contact surface of the ground rail car 12 and the loading cover 4 in the installation hole.
Compared with the prior art, the invention has the following beneficial effects:
the wind power main bearing testing machine with the shafting can load wind power main bearings and shafting of different types and different types together, ensure the inclination angle between the shafting and a hub, realize multiple purposes of one machine, more truly simulate the actual use state of the main bearing, and simultaneously realize the loading of axial force, radial force and overturning moment.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a second schematic view of the overall structure of the present invention;
FIG. 3 is a third schematic view of the overall structure of the present invention;
FIG. 4 is a schematic view showing the distribution of the loading cylinders according to the present invention;
FIG. 5 is a schematic view of the drive system of the present invention;
FIG. 6 is a sectional view of a main bearing with a shafting according to the first embodiment of the present invention;
FIG. 7 is a sectional view of a main bearing with a shafting according to a second embodiment of the present invention;
FIG. 8 is a sectional view of a main bearing with a shafting according to a third embodiment of the present invention;
FIG. 9 is a schematic structural view of the railcar of the present invention;
FIG. 10 is a schematic view of a portion of the railcar of the present invention;
FIG. 11 is a schematic structural view of a testing machine platform according to the present invention;
in the figure: 1-a concrete platform; 11-platform holes; 2-rear carrying frame; 2-carrier holes; 3-loading the oil cylinder; 31-axial force cylinder; 32-overturning moment oil cylinder; 33-radial force cylinder; 34-hinged fixed seats; 4-loading the cover; 4-loading a cover hole; 5-a first oblique transition flange; 51-a first oblique transition flange a; 52-first oblique transition flange B; 6-accompanying the bearing; 61-test bearing A; 62-test bearing B; 7-a transition flange; 71-transition flange a; 72-transition flange B; 8-main bearing with shaft system; 81-main bearing A with shaft system; 82-main bearing B with shaft system; 9-a second oblique transition flange; 91-a second oblique transition flange a; 10-front loading lid; 11-start-up of the system; 111-a drive motor; 1111-a drive motor base; 1112-a motor hoist ring; 112-a reduction gearbox; 1121-screw holes; 113-universal coupling; 114-a transfer flange; 12-a rail car; 121-ground rail wheels; 122-ground rail car track; 123-up and down adjusting device; 124-left and right adjusting device; 125-rolling wheel; 13-shafting base; 14-tester platform.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to clarify technical problems, technical solutions, implementation processes and performance displays. It should be understood that the specific embodiments described herein are for illustrative purposes only. The present invention is not limited to the above embodiments. Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present disclosure.
Example 1
As shown in fig. 1-3 and fig. 11, a main bearing tester for wind power generation with shafting is characterized by comprising a concrete platform 1, a rear bearing frame 2, a loading oil cylinder 3, a loading cover 4, a first oblique transition flange 5, an auxiliary test bearing 6, a transition flange 7, a main bearing 8 with shafting, a second oblique transition flange 9, a front loading cover 10, a driving system 11, a ground rail vehicle 12, a shafting base 13 and a tester platform 14, the concrete platform 1 is provided with a square platform hole 11, the rear bearing frame 2 is provided with a square bearing frame hole 21, the loading cover 4 is provided with a square loading cover hole 41, the platform hole 11, the carrier hole 21 and the loading cover hole 41 can leave a space for the arrangement of the driving system 11, a groove 141 is formed in the testing machine platform 14 close to the loading cover 4, and a space is reserved for arrangement of the loading oil cylinder 3.
As shown in fig. 4, as a possible implementation manner, the loading cylinder 3 includes an axial force cylinder 31, a radial force cylinder 33, and an overturning moment cylinder 32, and different axial forces, radial forces, and overturning moments are generated by different combinations, so as to meet the requirements of different types of bearing tests, the two sides of the loading cylinder 3 are provided with hinged fixing seats 34, the hinged fixing seats 34 are respectively fixed on the rear bearing frame 2 and the loading cover 4, and the two sides of the cylinder body loading cylinder 3 are respectively hinged to the hinged fixing seats 34.
As a possible embodiment, the load generated by the loading cylinder 3 acts on the loading cover 4, and then is loaded on the main bearing 8 with the shaft system through the first oblique transition flange 5, the auxiliary bearing 6 and the transition flange 7, the first oblique transition flange 5 may also be replaced by a first oblique transition flange a51 or a first oblique transition flange B52, the test-accompanying bearing 6 can be replaced by a test-accompanying bearing A61 and a test-accompanying bearing B62, the transition flange 7 can be replaced by a transition flange A71 and a transition flange B72, the main shafting bearing 8 can also be replaced by a main shafting bearing a81 and a main shafting bearing B82, the first oblique transition flange 5, the test-accompanying bearing 6, the transition flange 7 and the main bearing 8 with a shaft system are matched for use, the first oblique transition flange A51, the test-accompanying bearing A61, the transition flange A71 and the main bearing A81 with the shaft system are used in a matched mode; the first oblique transition flange B52, the test-accompanying bearing B62, the transition flange B72 and the main bearing B82 with the shaft system are used in a matched mode.
As a possible implementation mode, the inner ring of the test-assistant bearing 6 rotates along with the moving ring of the main bearing 8 with the shafting, and the outer ring is fixed, so that the loading cover 4 is ensured to be fixed in position in the test process.
As a possible implementation, the main bearing 8 with a shafting is fixed on the front loading cover 10 through the second oblique transition flange 9, or fixed on the testing machine platform 14 through the shafting base 13, the second oblique transition flange 9 can be replaced by a second oblique transition flange a91, the second oblique transition flange 9 is used with the main bearing 8 with a shafting, the second oblique transition flange a91 is used with the main bearing a81 with a shafting, and the shafting base 13 is used with the main bearing B82 with a shafting.
As a possible implementation manner, the first oblique transition flange 5 and the second oblique transition flange 9 both have oblique angles with the same angle, so that the main bearing 8 with the shafting generates an oblique angle, the oblique transition flanges need to be redesigned during different shafting tests, and the oblique angles of the transition flanges are changed, that is, the oblique angle of the main bearing can be changed, thereby simulating the relative position state of the main bearing and the hub in the actual use process.
As a possible embodiment, after the loading cover 4 is detached from the loading cylinder 3 and the test-accompanying bearing 6, the loading cover can move back and forth through the ground rail vehicle 12, and an operation space is reserved during installation.
As shown in fig. 5, as a possible embodiment, the main bearing 8 with a shaft system rotates through a driving system 11, the driving system 11 includes a driving motor 111, a reduction box 112, a universal joint 113 and an adapter flange 114, the driving motor 111 is mounted on a driving motor base 1111, the driving motor base 1111 is fixedly mounted on the carrier hole 21, and the driving motor 111 is further provided with two motor rings 1112 arranged diagonally, so that the driving motor 111 can be conveniently and stably hoisted; four screw holes 1121 are respectively formed in four corners of the base of the reduction gearbox 112, so that the reduction gearbox 112 can be conveniently fixed to the loading cover hole 41 through screw connection.
As shown in fig. 9 and fig. 10, as a possible embodiment, eight ground rail wheels 121 are arranged on the ground rail vehicle 12, two ground rail wheels 121 are respectively arranged on four corners of the ground rail vehicle 12, a ground rail vehicle track 122 is arranged below the ground rail wheels 121, the ground rail vehicle track 122 is i-shaped, and the ground rail vehicle track 122 is fixed on the testing machine platform 14; a groove is formed in the circumferential surface of the ground rail wheel 121, and the width of the groove is slightly larger than the width of the upper surface of the ground rail vehicle track 122, so that the ground rail wheel 121 can roll on the ground rail vehicle track 122 stably, and the loading cover 4 is driven to move; the upper and lower adjusting device 123, the left and right adjusting device 124 and the rollers 125 are arranged on the ground rail car 12, when the loading cover 4 and the first oblique transition flange 5 are assembled when the ground rail car 12 moves, the bolt holes have a dislocation phenomenon, the posture of the loading cover 4 can be adjusted in two directions through the upper and lower adjusting device and the left and right adjusting device, so that the loading cover can be conveniently moved when the loading cover is adjusted due to the fact that a plurality of rows of the rollers 125 are arranged between the contact surface of the ground rail car 12 and the loading cover 4 in the installation hole.
As shown in fig. 1 and 6, when in use, the loading cylinder 3 includes an axial force cylinder 31, a radial force cylinder 33, and an overturning moment cylinder 32, and different combinations are used to generate different axial forces, radial forces, and overturning moments, so as to meet the requirements of different types of bearing tests. The load generated by the loading oil cylinder 3 acts on the loading cover 4, and then is loaded on the main bearing 8 with the shaft system through the first oblique transition flange 5, the test-accompanying bearing 6 and the transition flange 7.
The inner ring of the test accompanying bearing 6 rotates along with the outer ring of the main bearing 8 with the shafting, the outer ring of the test accompanying bearing 6 is fixed, and the position of the loading cover 4 is fixed in the test process. The inner ring of the main bearing 8 with the shafting is fixed on a front loading cover 10 through a second oblique transition flange 9.
The first oblique transition flange 5 and the second oblique transition flange 9 are oblique angles with the same angle, so that the main bearing 8 with the shafting generates an inclination angle, the oblique transition flanges need to be redesigned during different shafting tests, the inclination angle of the transition flange is changed, and the inclination angle of the main bearing can be changed, so that the relative position state of the main bearing and the hub in the actual use process is simulated.
After the loading cover 4, the loading oil cylinder 3 and the test-accompanying bearing 6 are disassembled, the loading cover can move back and forth through the ground rail vehicle 12, and an operation space is reserved during installation.
The driving motor 111 is connected with the main bearing 8 with the shafting through the reduction box 112, the universal coupling 113 and the adapter flange 114 to drive the shafting to rotate.
Example 2
As shown in FIGS. 2 and 7, when the main bearing testing machine is used, the main bearing testing machine mainly comprises a concrete platform 1, a rear bearing frame 2, a loading oil cylinder 3, a loading cover 4, a first oblique transition flange A51, an accompanying bearing A61, a transition flange A71, a main bearing A81 with a shaft system, a front loading cover 10 of a second oblique transition flange A91, a driving system 11 and a ground rail vehicle 12.
The loading oil cylinder 3 comprises an axial force oil cylinder 31, a radial force oil cylinder 33 and an overturning moment oil cylinder 32, different axial forces, radial forces and overturning moments are generated through different combinations, and the bearing test requirements of different models are met. The load generated by the loading oil cylinder 3 acts on the loading cover 4, and then is loaded on the main bearing A81 with the shaft system through the first oblique transition flange A51, the auxiliary bearing A61 and the transition flange A71.
The inner ring of the test-accompanying bearing A61 rotates along with the outer ring of the main bearing A81 with the shafting, the outer ring of the test-accompanying bearing A61 is fixed, and the position of the loading cover 4 is guaranteed to be fixed in the test process. The inner race of the main shafted bearing a81 is secured to the front loading lid 10 by a second angled transition flange a 91.
The first oblique transition flange A51 and the second oblique transition flange A91 are oblique angles with the same angle, so that the main bearing A81 with the shafting generates an oblique angle, the oblique transition flanges need to be redesigned during different shafting tests, the oblique angles of the transition flanges are changed, the oblique angle of the main bearing can be changed, and the relative position state of the main bearing and the hub in the actual use process is simulated.
After the loading cover 4, the loading oil cylinder 3 and the test-accompanying bearing A61 are disassembled, the loading cover can move back and forth through the ground rail vehicle 12, and an operation space is reserved during installation.
The driving motor 111 is connected with a main bearing A81 with a shaft system through a reduction gearbox 112, a universal coupling 113 and a transfer flange 114, and drives the shaft system to rotate.
Example 3
As shown in fig. 3 and 8, when the main bearing testing machine is used, the main bearing testing machine mainly comprises a concrete platform 1, a rear bearing frame 2, a loading oil cylinder 3, a loading cover 4, a first oblique transition flange B52, an accompanying test bearing B62, a transition flange B72, a main bearing B82 with a shaft system, a front loading cover 10, a driving system 11, a ground rail vehicle 12 and a shaft system base 13.
The loading oil cylinder 3 comprises an axial force oil cylinder 31, a radial force oil cylinder 33 and an overturning moment oil cylinder 32, different axial forces, radial forces and overturning moments are generated through different combinations, and the bearing test requirements of different models are met. The load generated by the loading oil cylinder 3 acts on the loading cover 4, and then is loaded on the main bearing B82 with the shaft system through the first oblique transition flange B52, the test-accompanying bearing B62 and the transition flange B72.
The inner ring of the test-accompanying bearing B62 rotates along with the inner ring of the main bearing B82 with the shafting, the outer ring of the test-accompanying bearing is fixed, and the position of the loading cover 4 is guaranteed to be fixed in the test process. The main bearing B82 with shafting is fixed on the foundation through the shafting base 13.
The first oblique transition flange B5 has an oblique angle of 2 with the same angle when the shafting is used, so that the main bearing 8 with the shafting generates an oblique angle, the oblique transition flange needs to be redesigned when different shafting tests are carried out, the oblique angle of the transition flange is changed, and the oblique angle of the main bearing can be changed, thereby simulating the relative position state of the main bearing and the hub in the actual use process.
After the loading cover 4, the loading oil cylinder 3 and the test-accompanying bearing B62 are disassembled, the loading cover can move back and forth through the ground rail vehicle 12, and an operation space is reserved during installation.
The driving motor 111 is connected with a main bearing B82 with a shaft system through a reduction gearbox 112, a universal coupling 113 and a transfer flange 114, and drives the shaft system to rotate.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a take wind-powered electricity generation main bearing testing machine of shafting, its characterized in that includes concrete platform (1), back bearing frame (2), loading cylinder (3), loading lid (4), first oblique transition flange (5), accompany and try the bearing (6), transition flange (7), take shafting main bearing (8), second oblique transition flange (9), preceding loading lid (10), actuating system (11), ground rail car (12), shafting base (13) and testing machine platform (14), seted up square platform hole (11) on concrete platform (1), square bearing frame hole (21) has been seted up in back bearing frame (2), set up square loading lid hole (41) on loading lid (4), platform hole (11), bearing frame hole (21) and loading lid hole (41) can reserve the space for the arrangement of actuating system (11), a groove (141) is formed in the testing machine platform (14) close to the loading cover (4), and a space is reserved for arrangement of the loading oil cylinder (3).
2. The main bearing testing machine with the shafting wind power generator is characterized in that the loading oil cylinder (3) comprises an axial force oil cylinder (31), a radial force oil cylinder (33) and an overturning moment oil cylinder (32), different axial forces, radial forces and overturning moments are generated through different combinations, the bearing testing requirements of different models are met, hinged fixing seats (34) are arranged on two sides of the loading oil cylinder (3), the hinged fixing seats (34) are fixed on the rear bearing frame (2) and the loading cover (4) respectively, and two sides of the oil cylinder body loading oil cylinder (3) are hinged to the hinged fixing seats (34) respectively.
3. The main bearing testing machine for wind power with shafting according to claim 1, wherein the load generated by the loading oil cylinder (3) acts on the loading cover (4), and then is loaded on the main bearing (8) with shafting through the first oblique transition flange (5), the test-accompanying bearing (6) and the transition flange (7), the first oblique transition flange (5) can be replaced by a first oblique transition flange A (51) or a first oblique transition flange B (52), the test-accompanying bearing (6) can be replaced by a test-accompanying bearing A (61) and a test-accompanying bearing B (62), the transition flange (7) can be replaced by a transition flange A (71) and a transition flange B (72), and the main bearing (8) with shafting can be replaced by a main bearing A (81) with shafting and a main bearing B (82) with shafting, the first oblique transition flange (5), the test-accompanying bearing (6), the transition flange (7) and the main bearing (8) with the shafting are used in a matched mode, and the first oblique transition flange A (51), the test-accompanying bearing A (61), the transition flange A (71) and the main bearing A (81) with the shafting are used in a matched mode; the first oblique transition flange B (52), the test-accompanying bearing B (62), the transition flange B (72) and the main bearing B (82) with the shaft system are matched for use.
4. The testing machine for the main bearing of the wind power generator with the shafting as recited in claim 1, wherein the inner ring of the test-accompanying bearing (6) rotates along with the moving coil of the main bearing (8) with the shafting, and the outer ring is fixed, so that the loading cover (4) is ensured to be fixed in position in the testing process.
5. The main bearing testing machine for wind power with shafting according to claim 1, wherein the main bearing (8) with shafting is fixed on the front loading cover (10) through the second oblique transition flange (9) or fixed on the testing machine platform (14) through the shafting base (13), and the second oblique transition flange (9) can be replaced by a second oblique transition flange A (91).
6. The testing machine for the main bearing of the wind power generator with the shafting as claimed in claim 1, wherein the first oblique transition flange (5) and the second oblique transition flange (9) both have oblique angles with the same angle, so that the main bearing (8) with the shafting has an oblique angle, the oblique transition flange needs to be redesigned during different shafting tests, the oblique angle of the transition flange is changed, the oblique angle of the main bearing can be changed, and the relative position state of the main bearing and the hub in the actual use process is simulated.
7. The testing machine for the main bearing of the wind power generator with the shafting as recited in claim 1, wherein after the loading cover (4) is disassembled from the loading oil cylinder (3) and the test accompanying bearing (6), the loading oil cylinder and the test accompanying bearing can move back and forth through the ground rail vehicle (12), and an operation space is reserved during installation.
8. The main bearing testing machine for wind power with shafting of claim 1, characterized in that the main bearing (8) with shafting rotates through a driving system (11), the driving system (11) comprises a driving motor (111), a reduction box (112), a universal coupling (113) and an adapter flange (114), the driving motor (111) is installed on a driving motor base (1111), and the driving motor (111) is further provided with two motor rings (1112) which are arranged diagonally; four corners of the base of the reduction box (112) are respectively provided with four screw holes (1121).
9. The main bearing testing machine for wind power with shafting of claim 1, wherein eight ground rail wheels (121) are arranged on the ground rail vehicle (12), two ground rail wheels (121) are respectively arranged on four corners of the ground rail vehicle (12), a ground rail vehicle track (122) is arranged below the ground rail wheels (121), the ground rail vehicle track (122) is in an I shape, and the ground rail vehicle track (122) is fixed on the testing machine platform (14); grooves are formed in the circumferential surface of the ground rail wheel (121), and the width of each groove is slightly larger than that of the upper surface of the ground rail vehicle track (122); the ground rail car (12) is provided with an up-down adjusting device (123), a left-right adjusting device (124) and a roller (125).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210432954.4A CN114894475A (en) | 2022-04-24 | 2022-04-24 | Wind power main bearing testing machine with shafting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210432954.4A CN114894475A (en) | 2022-04-24 | 2022-04-24 | Wind power main bearing testing machine with shafting |
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| CN116358867A (en) * | 2023-05-09 | 2023-06-30 | 南京工大数控科技有限公司 | Ultra-large heavy-duty bearing test bed |
| CN116481806A (en) * | 2023-03-22 | 2023-07-25 | 南京工大数控科技有限公司 | Wind power gear box bearing test bed capable of symmetrically eliminating load |
| CN117030254A (en) * | 2023-08-11 | 2023-11-10 | 江阴市恒润传动科技有限公司 | Wind power main shaft bearing testing machine and testing method thereof |
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2022
- 2022-04-24 CN CN202210432954.4A patent/CN114894475A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116481806A (en) * | 2023-03-22 | 2023-07-25 | 南京工大数控科技有限公司 | Wind power gear box bearing test bed capable of symmetrically eliminating load |
| CN116481806B (en) * | 2023-03-22 | 2024-04-09 | 南京工大数控科技有限公司 | Wind power gear box bearing test bed capable of symmetrically eliminating load |
| CN116358867A (en) * | 2023-05-09 | 2023-06-30 | 南京工大数控科技有限公司 | Ultra-large heavy-duty bearing test bed |
| CN117030254A (en) * | 2023-08-11 | 2023-11-10 | 江阴市恒润传动科技有限公司 | Wind power main shaft bearing testing machine and testing method thereof |
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