CN203365137U - Large slewing bearing test device - Google Patents
Large slewing bearing test device Download PDFInfo
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- CN203365137U CN203365137U CN 201320319105 CN201320319105U CN203365137U CN 203365137 U CN203365137 U CN 203365137U CN 201320319105 CN201320319105 CN 201320319105 CN 201320319105 U CN201320319105 U CN 201320319105U CN 203365137 U CN203365137 U CN 203365137U
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Abstract
The utility model belongs to the technical field of bearings, relates to a large slewing bearing test device. The large slewing bearing test device comprises axial loading oil cylinders (3), a radial loading oil cylinder (15) and overturning moment loading oil cylinders (12); wherein an accompany bearing (5) is connected with a base (9) by a lower flange cylinder (4), a test bearing (7) is connected with a loading arm (11) by an upper flange cylinder (8); the axial loading oil cylinders (3) and the overturning moment loading oil cylinders (12) are connected with the loading arm (11) respectively by lugs I (10) and lugs II (13); the radial loading oil cylinder (15) is arranged in a radial bearing rack (16), and the base (9) is provided with a limiting pole (1) for limiting the radial displacement. The actual working conditions of the bearing are fully simulated, the relatively accurate experimental data is obtained, a theoretical basis for designing and improving the products of the bearing, and the performance of the products is ensured.
Description
Technical field
The utility model belongs to technical field of bearings, relates generally to a kind of large-scale turntable bearing test unit, for the performance test of large-scale turntable bearing.
Background technology
Wind energy plant generally is exposed to field, is installed on the high-altitude of 60m, mounting or dismounting somewhat expensive, 20 years serviceable life of General Requirements.The driftage bearing is positioned at the bottom, cabin of blower fan, is carrying the total weight of blower fan main transmission, adjusts the Windward angle of blower fan in time ground, is one of critical component of wind energy plant.The wind-powered turntable bearing operating mode is complicated, rotating speed is extremely low, bearing load heavily waits, the plain bearing theory often can not solve design and the check problem of wind-powered turntable bearing, strong assurance can not be provided to the quality of wind-powered turntable bearing, and the every technical parameter of bearing under actual working conditions can't be obtained.
Summary of the invention
The purpose of this utility model is to propose a kind of large-scale turntable bearing test unit.
The utility model adopts following technical scheme for realizing goal of the invention:
A kind of large-scale turntable bearing test unit, described test unit has test bearing, accompanies the examination bearing to apply axial load cylinder, radial loaded oil cylinder and the upsetting moment load cylinder of axial load, radial load and upsetting moment; The described examination bearing of accompanying is installed on the test bearing below by the switching cylinder, and described test bearing is connected with loading arm by the upper flange cylinder, and the described examination bearing of accompanying is connected with base by the lower flange cylinder; Described axial load cylinder is two and is symmetricly set on described inboard, both sides of accompanying examination bearing, test bearing; Two described axial load cylinders are connected with described loading arm by ear seat I; Described upsetting moment load cylinder is two, and two described upsetting moment load cylinder acting forces are contrary and be symmetricly set on the described outside, both sides of accompanying examination bearing, test bearing; Two described upsetting moment load cylinders are connected with described loading arm by ear seat II; Described axial load cylinder, upsetting moment load cylinder are installed on cylinder bracket respectively, and described cylinder bracket all is connected on base; One side of described base arranges radially carrier, and described radial loaded oil cylinder is arranged in described radially carrier, and described radial loaded oil cylinder and ear seat III are hinged, and described ear seat III and described loading arm are bolted; The opposite side of described base is equipped with to limit the limited post of loading arm radial displacement.
Described ear seat I is hinged with axial load cylinder, with described loading arm, be fixedly connected with.
Described ear seat II is hinged with the upsetting moment load cylinder, with described loading arm, be fixedly connected with.
The beneficial effects of the utility model are: by using the utility model test unit, carry out simulation test, by test bearing being applied to certain axial force, radial force and upsetting moment, fully simulate the actual working conditions of bearing, thereby can obtain experimental data comparatively accurately, for design bearing, product improvement provide theoretical foundation, guaranteed the usability of product.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The structural representation that Fig. 2 is ear seat I.
The structural representation that Fig. 3 is ear seat II.
The structural representation that Fig. 4 is ear seat III.
Fig. 5 is the force analysis sketch.
Fig. 6 is test bearing force analysis sketch.
Fig. 7 is for accompanying the examination shaft strength to analyze sketch.
In figure: 1, limited post, 2, cylinder bracket, 3, axial load cylinder, 4, lower flange cylinder, 5, accompany the examination bearing, 6, the switching cylinder, 7, test bearing, 8, the upper flange cylinder, 9, base, 10, ear seat I, 11, loading arm, 12, the upsetting moment load cylinder, 13, ear seat II, 14, ear seat III, 15, the radial loaded oil cylinder, 16, carrier radially.
Embodiment
With specific embodiment, the utility model is illustrated by reference to the accompanying drawings:
As shown in Figure 1, a kind of large-scale turntable bearing test unit, described test unit has axial load cylinder 3, radial loaded oil cylinder 15 and upsetting moment load cylinder 12, by axial load cylinder 3, radial loaded oil cylinder 15 and 12 pairs of test bearings of upsetting moment load cylinder, accompany the examination bearing apply axial load, radial load and upsetting moment; Described axial load cylinder 3, upsetting moment load cylinder 12 lay respectively in cylinder bracket 2, and described cylinder bracket 2 all is connected on base 9; Described examination bearing 5, the test bearing 7 of accompanying is connected with base 9, loading arm 11 by lower flange cylinder 4, upper flange cylinder 8 respectively; Described accompanying between examination bearing 5, test bearing 7 connects by switching cylinder 6; That is: accompany examination bearing 5 lower ends and lower flange cylinder 4 to be bolted, upper end is bolted with switching cylinder 6, test bearing 7 lower ends are bolted with switching cylinder 6, upper end is connected with upper flange cylinder 8 by bolt, upper flange cylinder 8 is bolted with loading arm 11, and lower flange cylinder 4 is bolted on base 9; Described axial load cylinder 3 is two and is symmetricly set on described inboard of accompanying examination bearing 5, test bearing 7 both sides; Two described axial load cylinders 3 are connected with described loading arm 11 by ear seat I 10; Described ear seat I 10 is hinged with axial load cylinder 3 by bearing pin, and is secured by bolts in loading arm 11; Described upsetting moment load cylinder 12 is two, and two described upsetting moment load cylinder 12 acting forces are contrary and be symmetricly set on the described outside, both sides of accompanying examination bearing 5, test bearing 7; Two described upsetting moment load cylinders 12 are connected with described loading arm 11 by ear seat II 13, and described ear seat II 13 is hinged by bearing pin and upsetting moment load cylinder 12, and is secured by bolts in loading arm 11; Radially carrier 16 is bolted the side at described base 9, radial loaded oil cylinder 15 use bolts are fixed in radially carrier 16, described radial loaded oil cylinder 15 is connected by bearing pin with ear seat III 14, and when radial force loads, ear seat III 14 is pushed described loading arm 11 to; Limited post 1 is bolted the opposite side at described base 9, and loading arm 11 1 ends are by limited post 1 restriction radial displacement, and the other end bears the radial force that ear seat III 14 applies.
Applying by being positioned at the described examination bearing 5 of accompanying of described test unit axial load, two symmetrically arranged axial load cylinders 3 of test bearing 7 inboards, both sides pull loading arm 11 to complete downwards simultaneously, applying by being installed on radially the radial loaded oil cylinder 15 of carrier of radial load promotes loading arm left and completes, and the part that applies of upsetting moment is by being positioned at the described examination bearing 5 of accompanying, two 12 1 of symmetrically arranged upsetting moment load cylinders in test bearing 7 outsides, both sides upwards promote loading arm, one pulls loading arm to complete downwards, another part produces when the radial loaded oil cylinder applies radial force.
Load cylinder is controlled by different oil circuits respectively, and axial load, radial load and upsetting moment can apply respectively, also can apply simultaneously.
In the force analysis sketch that Fig. 5 provides, arrow A means radial load, and arrow B, arrow D mean axial load, and arrow C, arrow E mean upsetting moment.
Axial load is applied to downwards on loading arm 11, acts on test bearing 7, and produces reacting force upwards on base, acts on and accompanies examination bearing 5; When same upsetting moment loads, imposed load on a side direction, under a side direction, act on test bearing 7, accompanying the reacting force that can produce opposite direction on examination bearing 5.
When radial force applies, due to place of application of force and installing positions of bearings, not at same plane, can produce and try the upsetting moment that the bearing direction is identical, vary in size with accompanying test bearing.
Claims (3)
1. one kind large-scale turntable bearing test unit is characterized in that: described test unit has test bearing (7), accompanies examination bearing (5) to apply axial load cylinder (3), radial loaded oil cylinder (15) and the upsetting moment load cylinder (12) of axial load, radial load and upsetting moment; The described examination bearing (5) of accompanying is installed on test bearing (7) below by switching cylinder (6), described test bearing (7) is connected with loading arm (11) by upper flange cylinder (8), and the described examination bearing (5) of accompanying is connected with base (9) by lower flange cylinder (4); Described axial load cylinder (3) is two and is symmetricly set on described inboard, both sides of accompanying examination bearing (5), test bearing (7); Two described axial load cylinders (3) are connected with described loading arm (11) by ear seat I (10); Described upsetting moment load cylinder (12) is two, and two described upsetting moment load cylinders (12) acting force is contrary and be symmetricly set on the described outside, both sides of accompanying examination bearing (5), test bearing (7); Two described upsetting moment load cylinders (12) are connected with described loading arm (11) by ear seat II (13); Described axial load cylinder (3), upsetting moment load cylinder (12) are installed on cylinder bracket respectively, and described cylinder bracket (2) all is connected on base (9); One side of described base (9) arranges radially carrier (16), described radial loaded oil cylinder (15) is arranged in described radially carrier, described radial loaded oil cylinder (15) is hinged with ear seat III (14), and described ear seat III (14) is bolted with described loading arm (11); The opposite side of described base (9) is equipped with to limit the limited post (1) of loading arm radial displacement.
2. large-scale turntable bearing test unit according to claim 1 is characterized in that: described ear seat I (10) is hinged with axial load cylinder (3), with described loading arm (11), be fixedly connected with.
3. large-scale turntable bearing test unit according to claim 1 is characterized in that: described ear seat II (13) is hinged with upsetting moment load cylinder (12), with described loading arm (11), be fixedly connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320319105 CN203365137U (en) | 2013-06-04 | 2013-06-04 | Large slewing bearing test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320319105 CN203365137U (en) | 2013-06-04 | 2013-06-04 | Large slewing bearing test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203365137U true CN203365137U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320319105 Expired - Lifetime CN203365137U (en) | 2013-06-04 | 2013-06-04 | Large slewing bearing test device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203365137U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103790895A (en) * | 2014-02-28 | 2014-05-14 | 南京理工大学 | Hydraulic-cylinder lateral force testing device |
| CN114252265A (en) * | 2022-01-25 | 2022-03-29 | 中国铁建重工集团股份有限公司 | Bearing working condition simulation test bed |
| CN114486249A (en) * | 2022-01-25 | 2022-05-13 | 中国铁建重工集团股份有限公司 | Load loading device and method for slewing bearing performance test bench |
| 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 |
| CN118168737A (en) * | 2024-05-15 | 2024-06-11 | 洛阳轴承集团股份有限公司 | Bearing rigidity detection device |
| CN118168802A (en) * | 2024-05-15 | 2024-06-11 | 洛阳轴承集团股份有限公司 | Bearing belt carries rotatory precision detection device |
-
2013
- 2013-06-04 CN CN 201320319105 patent/CN203365137U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103790895A (en) * | 2014-02-28 | 2014-05-14 | 南京理工大学 | Hydraulic-cylinder lateral force testing device |
| CN103790895B (en) * | 2014-02-28 | 2016-07-06 | 南京理工大学 | Hydraulic cylinder side force assay device |
| CN114252265A (en) * | 2022-01-25 | 2022-03-29 | 中国铁建重工集团股份有限公司 | Bearing working condition simulation test bed |
| CN114486249A (en) * | 2022-01-25 | 2022-05-13 | 中国铁建重工集团股份有限公司 | Load loading device and method for slewing bearing performance test bench |
| 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 |
| CN118168737A (en) * | 2024-05-15 | 2024-06-11 | 洛阳轴承集团股份有限公司 | Bearing rigidity detection device |
| CN118168802A (en) * | 2024-05-15 | 2024-06-11 | 洛阳轴承集团股份有限公司 | Bearing belt carries rotatory precision detection device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |
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| CX01 | Expiry of patent term |