CN117571319A - Wind power main shaft bearing working condition simulation test device - Google Patents
Wind power main shaft bearing working condition simulation test device Download PDFInfo
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- CN117571319A CN117571319A CN202410062794.8A CN202410062794A CN117571319A CN 117571319 A CN117571319 A CN 117571319A CN 202410062794 A CN202410062794 A CN 202410062794A CN 117571319 A CN117571319 A CN 117571319A
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- 238000012360 testing method Methods 0.000 title claims abstract description 158
- 238000004088 simulation Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 230000003014 reinforcing effect Effects 0.000 claims description 47
- 125000006850 spacer group Chemical group 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000020347 spindle assembly Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 4
- 230000008859 change Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 12
- 238000005728 strengthening Methods 0.000 description 9
- 238000010248 power generation Methods 0.000 description 7
- 241001236644 Lavinia Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012956 testing procedure Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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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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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a wind power main shaft bearing working condition simulation test device, which comprises a flat base, a main shaft assembly body and a test unit component, wherein a connecting groove is formed in one side of the upper end surface of the flat base; the test unit component is arranged at the inner side of the mounting groove and sleeved at the outer side of the main shaft assembly body, and a test bearing is arranged at the inner side of the test unit component; the disassembly assembly is arranged on the inner side of the test unit component; the overturning moment loading mechanism is arranged on one side, close to the test unit component, of the upper end face of the flat base. According to the invention, the servo motor belt transmission main shaft assembly body can drive the test bearing, so that stepless speed change is realized, the disassembly assembly can rapidly mount and disassemble the test bearing, and meanwhile, the two groups of overturning moment loading mechanisms are arranged, so that the stability of the test unit component during operation can be ensured to the greatest extent, the influence on the subsequent treatment of equipment caused by shaking of the test unit component is avoided, and the test precision of the test unit is further improved.
Description
Technical Field
The invention belongs to the technical field of bearing tests, and particularly relates to a wind power main shaft bearing working condition simulation test device.
Background
Wind is one of the nuisanceless energy sources. And it is inexhaustible. For coastal islands, grassland pasture areas, mountain areas and highland areas which are lack of water, fuel and inconvenient in transportation, wind power generation is very suitable for local conditions and is quite applicable, and wind power generation means that the kinetic energy of wind is converted into electric energy. Wind energy is a clean and pollution-free renewable energy source, and is used for a long time by people, mainly pumping water, grinding surfaces and the like through windmills, and people are interested in how to use wind to generate electricity. The wind power generation is very environment-friendly, and the wind energy is huge, so that the wind power generation device is increasingly valued in countries around the world.
The wind power main shaft bearing is a key part of wind power generation, the probability of damage failure of other parts of wind power generation is not high, although the value of the wind power main shaft bearing is not very high, the wind power main shaft bearing is installed in mid-air, and after the main shaft bearing is damaged, the replacement cost is too high; plain, mountain, sea.
The main bearing is indispensable existence in the wind power generation process, then need to test it when processing, need the staff to fix the bearing in test unit and make it high-speed rotation, and need simulate the fluid convection, the fin atress of wind-powered electricity generation has axial force and radial force, and can also appear in the moment of overturning at the bearing during operation, if not detect it, can influence the test accuracy of bearing, current testing arrangement is comparatively heavy simultaneously, lead to the manpower to be difficult to treat the bearing of detecting fast and install and dismantle, and need the center of repeated regulation bearing during the installation, lead to equipment not only consuming time and consuming effort when bearing experiment, still can influence bearing detection accuracy.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a wind power main shaft bearing working condition simulation test device which can effectively solve the problems in the prior art.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the aim of the invention can be achieved by the following technical scheme:
the invention relates to a wind power main shaft bearing working condition simulation test device, which comprises a flat base, a main shaft assembly body, a test unit component and further comprises: a connecting groove is formed in one side of the upper end face of the flat base, a supporting component is clamped in the connecting groove, and a main shaft component body is clamped in the supporting component in a sliding manner; and also comprises
The driving mechanism is arranged on one side of the main shaft assembly body and is used for driving the main shaft assembly body;
the spacer sleeve body is sleeved at one end, far away from the driving mechanism, of the main shaft assembly body, a loading sleeve member is sleeved at the outer side of the spacer sleeve body, and a mounting groove is formed in the inner side of the loading sleeve member;
the test unit component is arranged at the inner side of the mounting groove and sleeved at the outer side of the main shaft assembly body, and a test bearing is arranged at the inner side of the test unit component;
the disassembly assembly is arranged on the inner side of the test unit component and used for limiting the position of the test bearing;
the overturning moment loading mechanism is arranged on one side, close to the test unit component, of the upper end face of the flat base and is used for loading the test unit component to ensure the test of the test bearing;
the reinforcing mechanism is arranged at the lower end of the test unit component and inside the flat base and used for reinforcing the position of the test unit component.
Further, the supporting component comprises a supporting main shaft frame, a supporting auxiliary shaft frame, connecting screw holes, limiting grooves and locking clamping rings, wherein the supporting main shaft frame is slidably embedded into the inner wall of the connecting groove and connected with the connecting groove through bolts penetrating through the supporting main shaft frame, the cross section of the supporting auxiliary shaft frame is arc-shaped and clamped on one side of the supporting main shaft frame, the connecting screw holes are uniformly formed in two ends of the supporting auxiliary shaft frame and connected with the supporting main shaft frame through bolts, the limiting grooves are formed in the inner sides of the supporting main shaft frame and the supporting auxiliary shaft frame, the main shaft component body is rotatably clamped on the inner side of the main shaft component body, and the locking clamping rings are fixed on the outer sides of the supporting main shaft frame and the supporting auxiliary shaft frame and connected with the supporting main shaft frame through bolts.
Further, the driving mechanism comprises a driving wheel, a driving shaft, a protective cover plate, a servo motor and a fixing seat, wherein the driving wheel is fixed at the output end of the main shaft assembly body, the fixing seat is fixed at the upper end face of the flat base, the servo motor is fixed at the upper end face of the fixing seat, the driving shaft is fixed at the output end of the servo motor and is connected with the driving wheel through a belt, and the protective cover plate is sleeved on the outer side of the driving shaft and the driving wheel.
Further, the inner wall embedding of loading external member is provided with the lock lantern ring and lock lantern ring cup joints in the outside of the main shaft subassembly body to the lock lantern ring is connected with the spacer body through the screw.
Further, the inside embedding of test unit part is provided with spacing external member, and one side that the main shaft subassembly body was kept away from the drive wheel is provided with locking slope and test bearing inner wall closely laminating.
Further, dismantle the subassembly including locking screw, locking mouth, conical bearing, the bush body, the isolating ring, dismantle the ring, conical bearing hitches at test bearing's surface, and conical bearing sets up the inner and outer ring, the transversal of the bush body personally submits "L" font and contacts with conical bearing's outer ring, the isolating ring sets up the lower extreme at the bush body and hitches at test bearing's surface, dismantle the ring hitches and keep away from the one side of main shaft subassembly body at test bearing, and contact with the isolating ring, the locking mouth evenly sets up in test bearing's inside, dismantle the ring and be connected with the locking mouth through the bolt, the locking screw is the symmetry and sets up in the upper end of spacing external member, and the locking nail passes the locking screw and is connected with the bush body.
Further, the inner wall joint of spacing external member has the installation lid, and installation lid inner wall and bush body contact to pass the installation lid through the bolt and be connected with spacing external member, the recess that the cross section was "U" font structure has been seted up to the outside of installation lid.
Further, the overturning moment loading mechanism comprises a loading rod I, a connecting disc, a loading part I, a loading frame body, a loading seat body and a limiting chute, wherein a sliding clamping piece of the loading rod I is arranged in a groove on the outer side of the mounting cover, the connecting disc is fixed at one end of the loading rod I, which is far away from the mounting cover, the loading part I is connected to the other side of the connecting disc, the loading frame body is in sliding clamping connection with the outer surface of the loading part I, the cross section of the loading frame body is of an n-shaped structure, the loading seat body is vertically inserted into the loading frame body and is connected through a screw, the limiting chute is formed in the upper end face of the flat base, and the loading seat body slides left and right along the inside of the limiting chute.
Further, the overturning moment loading mechanism further comprises a second loading component, a second loading rod, a connecting component and a reinforcing plate, wherein the second loading component penetrates through one side of the inside of the loading sleeve, the output end of the second loading component extends towards the inside of the mounting groove, the second loading rod is fixed at the output end of the second loading component, the connecting component is fixed on one side, far away from the second loading component, of the second loading rod, the connecting component is in contact with the test unit component, the reinforcing plate is arranged on one side, far away from the second loading component, of the loading sleeve, the cross section of the reinforcing plate is of a triangular structure, and one side of the reinforcing plate is connected with the support auxiliary shaft frame through a bolt.
Further, the strengthening mechanism comprises a strengthening groove, a strengthening rod body and a strengthening sleeve ring, wherein the strengthening groove is formed in the upper end face of the flat base and keeps the same vertical center line with the test unit component, the strengthening rod body is in threaded connection with the inside of the strengthening groove, and the strengthening sleeve ring is sleeved on the outer side of the strengthening rod body.
The invention has the following beneficial effects:
according to the servo motor belt transmission main shaft assembly body, the test bearing can be driven, stepless speed change is further achieved, the disassembly assembly can be used for rapidly installing and disassembling the test bearing, meanwhile, the stability of speed change of the test bearing can be guaranteed, meanwhile, the disassembly assembly can be used for selecting a proper conical bearing to be used for excessive speed change according to different sizes of the test bearing to be detected, meanwhile, a locking screw hole can be used for limiting the test bearing to be detected, locking and limiting of the test bearing to be detected can be achieved without repeated adjustment of a center point of equipment, meanwhile, the two groups of overturning moment loading mechanisms can be arranged, stability of the test unit components during operation can be guaranteed to the greatest extent, shaking of the test unit components is avoided, subsequent processing of the equipment is affected, the position of the loading component can be adjusted, the longer moment arm of the loading rod is, the proper overturning moment can be selected according to requirements, the position of the test unit components can be limited, the proper overturning moment can be matched with a reinforcing plate, the auxiliary shaft can be connected with the auxiliary shaft, stability of the supporting assembly can be guaranteed, and the equipment can be miniaturized, when the equipment is installed, and meanwhile, testing procedures of the test unit can be further conveniently and rapidly tested, and conveniently and rapidly can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an overall schematic diagram of a large wind power main bearing test device;
FIG. 2 is an internal schematic diagram of a large wind power main bearing test device;
FIG. 3 is a schematic cross-sectional view of a large wind power main bearing test device according to the invention;
FIG. 4 is a schematic diagram of a loading kit according to the present invention;
FIG. 5 is a left side schematic view of a loading kit according to the present invention;
FIG. 6 is a schematic cross-sectional view of a test bearing of the present invention;
FIG. 7 is a schematic cross-sectional view of a disassembly assembly of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a flat base; 101. a connecting groove; 2. supporting a main shaft bracket; 3. supporting an auxiliary shaft bracket; 301. a connecting screw hole; 4. a limit groove; 5. a spindle assembly body; 6. a driving wheel; 7. locking the clamping ring; 8. a drive shaft; 9. a protective cover plate; 10. a servo motor; 1001. a fixing seat; 11. a spacer body; 12. loading a suite; 1201. a mounting groove; 13. a locking collar; 14. a test cell unit; 15. a limit sleeve; 1501. locking the screw hole; 16. locking the slope body; 17. testing a bearing; 1701. a locking port; 18. a conical bearing; 19. a bushing body; 20. a spacer ring; 21. disassembling the ring; 22. a mounting cover; 23. loading a first rod; 24. a connecting disc; 25. loading a first component; 26. loading a frame body; 27. loading a base body; 28. limiting sliding grooves; 29. a loading part II; 30. a loading rod II; 31. a connecting member; 32. a reinforcing plate; 33. a reinforcing groove; 3301. reinforcing the rod body; 3302. the collar is reinforced.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-6, the invention discloses a wind power main shaft bearing working condition simulation test device, which comprises a flat base 1, a main shaft assembly body 5, a test unit component 14, and further comprises: a connecting groove 101 is formed in one side of the upper end face of the flat base 1, a supporting component is clamped in the connecting groove 101, and a main shaft component body 5 is clamped in the supporting component in a sliding manner; and also comprises
The driving mechanism is arranged on one side of the main shaft assembly body 5 and is used for driving the main shaft assembly body 5;
the spacer body 11 is sleeved at one end, far away from the driving mechanism, of the main shaft assembly body 5, a loading sleeve member 12 is sleeved at the outer side of the spacer body 11, and a mounting groove 1201 is formed in the inner side of the loading sleeve member 12;
a test unit part 14 provided inside the installation groove 1201 and sleeved outside the spindle assembly body 5, the test bearing 17 being provided inside the test unit part 14;
a dismounting assembly provided inside the test unit member 14 for defining the position of the test bearing 17;
the overturning moment loading mechanism is arranged on one side, close to the test unit component 14, of the upper end surface of the flat base 1 and is used for loading the test unit component 14 to ensure the test of the test bearing 17;
and a reinforcement mechanism provided at the lower end of the test unit member 14 and inside the flat base 1 for reinforcing the position of the test unit member 14.
As shown in fig. 1-3, the supporting component comprises a supporting spindle frame 2, a supporting auxiliary spindle frame 3, a connecting screw hole 301, a limiting groove 4 and a locking snap ring 7, wherein the supporting spindle frame 2 is slidably embedded in the inner wall of the connecting groove 101 and is connected with the connecting groove 101 through bolts passing through the supporting spindle frame 2, the cross section of the supporting auxiliary spindle frame 3 is arc-shaped and is clamped at one side of the supporting spindle frame 2, the connecting screw hole 301 is uniformly formed at two ends of the supporting auxiliary spindle frame 3 and is connected with the supporting spindle frame 2 through bolts, the limiting groove 4 is formed at the inner side of the supporting spindle frame 2 and the supporting auxiliary spindle frame 3, the main spindle component body 5 is rotatably clamped at the inner side of the main spindle component body 5, the locking snap ring 7 is fixed at the outer side of the supporting spindle frame 2 and the supporting auxiliary spindle frame 3, the locking snap ring 7 is connected with the supporting spindle frame 2 through bolts, the connecting groove 101 is in a long shape and is symmetrically arranged, the stability of the supporting spindle frame 2 can be ensured, the connecting screw hole 301 at the inner side of the supporting auxiliary spindle frame 3 can be corresponding to the supporting spindle frame 2, the two are tightly connected, then the main spindle component 4 can be connected with the supporting spindle component body 5 in a limited position of the supporting spindle frame 3, and the inner side of the supporting spindle component 5 can be tightly connected with the supporting spindle frame 2 through the limiting groove 5, and the clamping snap ring can be tightly arranged at one side of the inner side of the supporting spindle component 4, and can be tightly connected with the supporting spindle frame 3, and tightly and connected with the supporting spindle component 3, and further conveniently and connected with the supporting component 3, and can be tightly and tightly processed by the supporting and connected with the supporting component and can be tightly and connected and processed;
the driving mechanism comprises a driving wheel 6, a driving shaft 8, a protective cover plate 9, a servo motor 10 and a fixing seat 1001, wherein the driving wheel 6 is fixed at the output end of a main shaft assembly body 5, the fixing seat 1001 is fixed at the upper end face of a flat base 1, the servo motor 10 is fixed at the upper end face of the fixing seat 1001, the driving shaft 8 is fixed at the output end of the servo motor 10 and is connected with the driving wheel 6 through a belt, the protective cover plate 9 is sleeved on the outer sides of the driving shaft 8 and the driving wheel 6, the servo motor 10 can be supported through the fixing seat 1001, the driving shaft 8 is fixed at the output end of the servo motor 10 and is connected with the driving wheel 6 through the belt, the driving wheel 6 can be driven, and the subsequent angle adjustment of the main shaft assembly body 5 can be conveniently carried out;
as shown in fig. 3, 6 and 7, the inner wall of the loading sleeve 12 is embedded with a locking sleeve ring 13, the locking sleeve ring 13 is sleeved on the outer side of the main shaft assembly body 5, the locking sleeve ring 13 is connected with the spacer sleeve body 11 through a screw, the positions of the spacer sleeve body 11 and the locking sleeve ring 13 can be locked and limited through the loading sleeve ring 12, the working stability of the main shaft assembly body 5 during driving can be ensured, meanwhile, the loading sleeve ring 12 can also limit the position of the test unit component 14, a limiting sleeve member 15 is embedded in the test unit component 14, the locking slope body 16 is arranged on one side, away from the driving wheel 6, of the main shaft assembly body 5, and the locking slope body 16 is tightly attached to the inner wall of the test bearing 17, the test bearing 17 can be conveniently limited through the limiting sleeve member 15, and the stability of the test of the subsequent test bearing 17 can be ensured;
the disassembly component comprises a locking screw hole 1501, a locking port 1701, a conical bearing 18, a bushing body 19, a spacer ring 20 and a disassembly ring 21, wherein the conical bearing 18 is sleeved on the outer surface of the test bearing 17, the conical bearing 18 is provided with an inner ring and an outer ring, the cross section of the bushing body 19 is L-shaped and contacts with the outer ring of the conical bearing 18, the spacer ring 20 is arranged at the lower end of the bushing body 19 and sleeved on the outer surface of the test bearing 17, the disassembly ring 21 is sleeved on one side of the test bearing 17 far away from the main shaft component body 5 and contacts with the spacer ring 20, the locking port 1701 is uniformly arranged in the test bearing 17, the disassembly ring 21 is connected with the locking port 1701 through bolts, the locking screw hole 1501 is symmetrically arranged at the upper end of the limiting sleeve 15, locking nails penetrate through the locking screw hole 1501 and are connected with the bushing body 19, the conical bearing 18 can be sleeved on the outer side of the test bearing 17 through the arranged, so as to ensure the rotation stability of the test bearing 17, the bushing body 19 can be contacted with the outer ring of the conical bearing 18, then the locking nails penetrate through the locking screw holes 1501 and are connected with the bushing body 19, the outer ring of the conical bearing 18 can be limited, the inner ring of the conical bearing 18 is contacted with the test bearing 17 so as to ensure the rotation smoothness of the test bearing 17 and the stability of the test bearing 17 along with the rotation of the test bearing 17, the isolating ring 20 can be contacted with the inner ring of the conical bearing 18, then the dismounting ring 21 is clamped outside the isolating ring 20, and is connected with the locking port 1701 inside the test bearing 17 through a plurality of groups of bolts, so that the position of the test bearing 17 can be locked, the offset and the shaking of the test bearing 17 can be avoided, the stability of the test bearing 17 can be further improved, meanwhile, the upper end of the isolating ring 20 is not in contact with the bushing body 19, normal rotation of the test bearing 17 is not affected, meanwhile, the test bearing 17 can be quickly installed and disassembled by the disassembling structure so as to be convenient for subsequent adjustment, then, the set disassembling assembly can select a proper conical bearing 18 to be excessive according to different sizes of the test bearing 17 to be detected, and locking and limiting of the test bearing 17 to be detected can be realized without repeated adjustment of a center point.
As shown in fig. 2-5, the inner wall of the limiting sleeve 15 is clamped with a mounting cover 22, the inner wall of the mounting cover 22 contacts with the bushing body 19, and the mounting cover 22 is connected with the limiting sleeve 15 through bolts passing through the mounting cover 22, a groove with a cross section of a U-shaped structure is formed in the outer side of the mounting cover 22, the mounting cover 22 can be embedded into the limiting sleeve 15, the inner wall of the limiting sleeve 15 can be connected with the bushing body 19, further the connection tightness of the bushing body 19 and the outer ring of the conical bearing 18 can be ensured, and then the position of the mounting cover 22 is limited through bolts, so that the mounting cover 22 can be prevented from shifting and shaking to influence subsequent processing.
The overturning moment loading mechanism comprises a loading rod I23, a connecting disc 24, a loading part I25, a loading frame 26, a loading seat 27 and a limiting chute 28, wherein a sliding clamping piece of the loading rod I23 is arranged in a groove at the outer side of the mounting cover 22, the connecting disc 24 is fixed at one end of the loading rod I23 far away from the mounting cover 22, the loading part I25 is connected with the other side of the connecting disc 24, the loading frame 26 is in sliding clamping connection with the outer surface of the loading part I25, the cross section of the loading frame 26 is of an n-shaped structure, the loading seat 27 is vertically inserted into the loading frame 26 and connected through a screw, the limiting chute 28 is arranged on the upper end face of the flat base 1, the loading seat 27 is along the limiting chute 28 slides left and right, the loading rod I23 can be clamped in the groove at the outer side of the mounting cover 22 through the arranged loading rod I23, then the loading part I25 drives the loading rod I23 through the connecting disc 24, the position of the mounting cover 22 can be limited, then the loading frame 26 can be slidably clamped on the inner side of the loading seat 27, the position of the loading seat 27 can be adjusted according to the requirement, the position of the loading seat 27 can be limited by the arranged limiting chute 28, the deviation of the loading seat 27 can be avoided, meanwhile, the cross section of the limiting chute 28 is of a T-shaped structure, the adjusting stability of the loading seat 27 can be ensured, due to fluid convection, the axial force, the radial force and the overturning moment are stressed on the fins of wind power, the wind power equipment in the mountain has larger upper and lower wind direction influence to generate the overturning moment, the equipment part can adjust the position of the loading seat 27 according to the requirement, further, the proper overturning moment can be selected according to the different sizes of the test bearings 17, meanwhile, the position of the first loading part 25 can be adjusted, the longer the loading rod is, the larger the 23 moment arm is, the larger the overturning moment is, and the adjustment can be carried out according to the requirement, so that the application range of the equipment is further improved.
The overturning moment loading mechanism further comprises a second loading component 29, a second loading rod 30, a connecting component 31 and a reinforcing plate 32, wherein the second loading component 29 penetrates through one side of the inside of the loading sleeve 12, the output end of the second loading component 29 extends towards the inside of the mounting groove 1201, the second loading rod 30 is fixed at the output end of the second loading component 29, the connecting component 31 is fixed at one side, far away from the second loading component 29, of the second loading rod 30, the connecting component 31 is in contact with the test unit component 14, the reinforcing plate 32 is arranged at one side, far away from the second loading component 29, of the loading sleeve 12, the cross section of the reinforcing plate 32 is of a triangular structure, one side of the reinforcing plate 32 is connected with the supporting auxiliary shaft bracket 3 through bolts, the connecting component 31 can be pushed through the second loading component 29, the position of the test unit component 14 is limited through the second loading rod 30, the occurrence of offset of the test unit component 14 is avoided, and meanwhile, a hydraulic loading system is connected to the outer side of the overturning moment loading mechanism, and in order to ensure the stability and reliability of hydraulic loading, the hydraulic circuit is provided with digital servo valves, overflow valves, throttle valves, electromagnetic reversing valves, oil pressure sensors, pressure gauges, plunger pumps, servo motors and other parts. The plunger pump is arranged in the oil tank and driven by the servo motor to provide power hydraulic oil for the hydraulic oil cylinder, and the oil outlet of the plunger pump is connected with the oil cylinder through the valve group integrated block; the main oil way adopts an overflow valve and a digital servo valve superposition control mode, the overflow valve controls the pressure and the throttle valve controls the opening; the electromagnetic reversing valve plays a role in reversing oil, and is mainly used for controlling the loading, unloading or reverse action of the hydraulic oil cylinder; the pressure gauge and the oil pressure sensor are respectively used for monitoring the oil pressure of the system and the oil pressure in the working cavity of the oil cylinder. In the loading process of the hydraulic system, the lower computer controller controls the rotating speed of the servo motor to achieve the effects of force loading/unloading and force holding. Because the servo motor has accurate control capability, and the servo motor and the pump dynamically supplement pressure to the main oil way in real time, full-power operation is not needed, the hydraulic loading system has the advantages of high loading precision, low working noise, low maintenance cost, energy conservation, environmental protection and the like.
As shown in fig. 3, the reinforcing mechanism includes a reinforcing groove 33, a reinforcing rod body 3301 and a reinforcing collar 3302, the reinforcing groove 33 is formed on the upper end surface of the flat base 1 and keeps the same vertical center line with the test unit component 14, the reinforcing rod body 3301 is in threaded connection with the inside of the reinforcing groove 33, the reinforcing collar 3302 is sleeved on the outer side of the reinforcing rod body 3301, the reinforcing groove 33 is located on the upper end surface of the flat base 1, and the position of the reinforcing rod body 3301 can be adjusted by rotating the reinforcing collar 3302, so that the reinforcing rod body 3301 contacts with the lower end of the test unit component 14, and the position of the test unit component 14 can be limited.
Working principle: firstly, it should be noted that the dismounting assembly can select a proper conical bearing 18 to excessively transfer the test bearing 17 to be detected according to different sizes of the test bearing 17 to be detected, the test bearing 17 to be detected can be locked and limited without repeatedly adjusting a center point, oil leakage can be prevented because the conical bearing 18 is not broken, meanwhile, the set overturning moment loading mechanisms are two groups, the stability of the test unit component during operation can be ensured to the greatest extent at the side, and the influence on the subsequent treatment of equipment caused by shaking of the test unit component is avoided;
the flat base 1 is placed at a designated position, the supporting main shaft frame 2 is clamped inside the connecting groove 101, the connecting groove 101 can limit the position of the supporting main shaft frame 2, the main shaft assembly body 5 is installed in the limiting groove 4 inside the supporting main shaft frame 2, then the supporting main shaft frame 2 and the supporting auxiliary shaft frame 3 can be connected through a connecting screw hole 301 at the outer side of the supporting auxiliary shaft frame 3 by bolts, the locking clamp ring 7 can be connected to one side of the supporting main shaft frame 2 and one side of the supporting auxiliary shaft frame 3 in a threaded manner, further the connection tightness of the supporting main shaft frame 2 and the supporting auxiliary shaft frame 3 can be ensured, then the position of the spacer sleeve body 11 and the locking sleeve ring 13 can be limited in a locking manner, the working stability during driving of the main shaft assembly body 5 can be ensured, and meanwhile, the position of the testing unit component 14 can be limited by the loading sleeve 12;
then, the test bearing 17 is sleeved outside the locking slope 16 and is made to penetrate into the limit sleeve 15 on the inner side of the test unit component 14, then, the arranged conical bearing 18 can be sleeved outside the test bearing 17 so as to ensure the rotation stability of the test bearing 17, the arranged lining body 19 can be contacted with the outer ring of the conical bearing 18, then the locking screw holes 1501 are penetrated by the locking nails and connected with the lining body 19, the outer ring of the conical bearing 18 can be limited, the inner ring of the conical bearing 18 is contacted with the test bearing 17 so as to ensure the rotation smoothness of the test bearing 17 and the stability of the test bearing 17 along with the rotation of the test bearing 17, then, the arranged isolating ring 20 can be contacted with the inner ring of the conical bearing 18, and is clamped outside the isolating ring 20 by the dismounting ring 21, the plurality of groups of bolts penetrate through the dismounting ring 21 to be connected with the locking port 1701 inside the test bearing 17, so that the position of the test bearing 17 can be locked, the offset and the shaking of the test bearing 17 can be avoided, the stability of the test bearing 17 can be further improved, meanwhile, the upper end of the isolating ring 20 is not contacted with the lining body 19, the normal rotation of the test bearing 17 cannot be influenced, then, the arranged mounting cover 22 can be embedded into the limiting sleeve 15, the inner wall of the limiting sleeve 15 can be connected with the lining body 19, the tightness of the connection between the lining body 19 and the outer ring of the conical bearing 18 can be further ensured, the position of the mounting cover 22 is limited by the bolts, the offset and the shaking of the mounting cover 22 can be avoided, the subsequent treatment is influenced, meanwhile, the loading seat body 27 slides along the limiting chute 28, when the designated position is reached, the first loading part 25 can be slidably clamped on the inner wall of the loading frame 26, the loading frame 26 is connected with the loading seat 27 through bolts, then the first loading rod 23 is slidably clamped in a groove on the inner side of the mounting cover 22, the first loading rod 23 is connected with the first loading part 25 through the connecting disc 24, then the first loading part 25 can limit the position of the mounting cover 22 through the first loading rod 23, the second loading part 29 arranged on the inner side of the loading sleeve 12 can push the connecting part 31 through the second loading rod 30 to limit the position of the testing unit part 14, the offset of the testing unit part 14 is avoided, then the position of the reinforcing rod body 3301 in the reinforcing groove 33 can be adjusted by rotating the reinforcing sleeve 3302, the reinforcing rod body 3301 can be contacted with the lower end of the testing unit part 14, and the position of the testing unit part 14 can be limited;
finally, the servo motor 10 at the upper end of the fixing seat 1001 is started, the set servo motor 10 can drive the driving shaft 8 to rotate, the driving shaft 8 can be connected with the driving wheel 6 through a belt, the driving wheel 6 can be driven, and the test bearing 17 can be driven to rotate through the spindle assembly 5, so that the test bearing 17 can be detected later.
The foregoing is only a preferred embodiment of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present invention.
Claims (10)
1. The utility model provides a wind-powered electricity generation main shaft bearing operating mode analogue test device, includes flat base (1), main shaft subassembly body (5) and test unit part (14), its characterized in that still includes: a connecting groove (101) is formed in one side of the upper end face of the flat base (1), a supporting component is clamped in the connecting groove (101), and a main shaft component body (5) is clamped in the supporting component in a sliding mode; and also comprises
The driving mechanism is arranged on one side of the main shaft assembly body (5) and is used for driving the main shaft assembly body (5);
the spacer sleeve body (11) is sleeved at one end, far away from the driving mechanism, of the main shaft assembly body (5), a loading sleeve member (12) is sleeved at the outer side of the spacer sleeve body (11), and an installation groove (1201) is formed in the inner side of the loading sleeve member (12);
the test unit component (14) is arranged on the inner side of the mounting groove (1201) and sleeved on the outer side of the main shaft assembly body (5), and a test bearing (17) is arranged on the inner side of the test unit component (14);
a disassembly assembly, provided inside the test cell unit (14), for defining the position of the test bearing (17);
the overturning moment loading mechanism is arranged on one side, close to the test unit component (14), of the upper end face of the flat base (1) and is used for loading the test unit component (14) to ensure the test of the test bearing (17);
the reinforcing mechanism is arranged at the lower end of the test unit component (14) and inside the flat base (1) and used for reinforcing the position of the test unit component (14).
2. The wind power main shaft bearing working condition simulation test device according to claim 1, wherein the supporting component comprises a supporting main shaft frame (2), a supporting auxiliary shaft frame (3), a connecting screw hole (301), a limiting groove (4) and a locking clamp ring (7), the supporting main shaft frame (2) is slidably embedded into the inner wall of the connecting groove (101), the supporting main shaft frame (2) is connected with the connecting groove (101) through a bolt, the cross section of the supporting auxiliary shaft frame (3) is arc-shaped and is clamped at one side of the supporting main shaft frame (2), the connecting screw hole (301) is uniformly formed in two ends of the supporting auxiliary shaft frame (3) and is connected with the supporting main shaft frame (2) through a bolt, the limiting groove (4) is formed in the inner side of the supporting main shaft frame (2) and the inner side of the supporting auxiliary shaft frame (3), the main shaft assembly body (5) is rotatably clamped at the inner side of the main shaft assembly body (5), the locking clamp ring (7) is fixed on one side of the supporting main shaft frame (2) and the outer side of the supporting auxiliary shaft frame (3) through the bolt, and the two clamping rings are connected with each other.
3. The wind power spindle bearing working condition simulation test device according to claim 1, wherein the driving mechanism comprises a driving wheel (6), a driving shaft (8), a protective cover plate (9), a servo motor (10) and a fixing seat (1001), the driving wheel (6) is fixed at the output end of the spindle assembly body (5), the fixing seat (1001) is fixed at the upper end face of the flat base (1), the servo motor (10) is fixed at the upper end face of the fixing seat (1001), the driving shaft (8) is fixed at the output end of the servo motor (10) and is connected with the driving wheel (6) through a belt, and the protective cover plate (9) is sleeved on the outer side of the driving shaft (8) and the driving wheel (6).
4. The wind power main shaft bearing working condition simulation test device according to claim 1, wherein a locking collar (13) is embedded in the inner wall of the loading sleeve (12) and sleeved on the outer side of the main shaft assembly body (5), and the locking collar (13) is connected with the spacer sleeve body (11) through a screw.
5. A wind power main shaft bearing working condition simulation test device according to claim 3, characterized in that the limiting sleeve (15) is embedded in the test unit component (14), one side of the main shaft assembly body (5) away from the driving wheel (6) is provided with the locking slope (16), and the locking slope (16) is tightly attached to the inner wall of the test bearing (17).
6. The wind power main shaft bearing working condition simulation test device according to claim 5, wherein the dismounting assembly comprises a locking screw hole (1501), a locking port (1701), a conical bearing (18), a bushing body (19), a separation ring (20) and a dismounting ring (21), the conical bearing (18) is sleeved on the outer surface of the test bearing (17), the conical bearing (18) is provided with an inner ring and an outer ring, the cross section of the bushing body (19) is L-shaped and is contacted with the outer ring of the conical bearing (18), the separation ring (20) is arranged at the lower end of the bushing body (19) and is sleeved on the outer surface of the test bearing (17), the dismounting ring (21) is sleeved on one side, far away from the main shaft assembly body (5), of the test bearing (17) and is contacted with the separation ring (20), the locking port (1701) is uniformly arranged inside the test bearing (17), the dismounting ring (21) is connected with the locking port (1701) through bolts, and the separation ring (20) is symmetrically arranged at the lower end of the bushing body (19) and penetrates through the locking screw hole 1501 and penetrates through the locking sleeve (15).
7. The wind power main shaft bearing working condition simulation test device according to claim 6, wherein an installation cover (22) is clamped on the inner wall of the limit sleeve member (15), the inner wall of the installation cover (22) is in contact with the bushing body (19), the installation cover (22) is connected with the limit sleeve member (15) through bolts, and a groove with a U-shaped cross section is formed in the outer side of the installation cover (22).
8. The wind power main shaft bearing working condition simulation test device according to claim 1, wherein the overturning moment loading mechanism comprises a loading rod I (23), a connecting disc (24), a loading part I (25), a loading frame body (26), a loading base body (27) and a limiting chute (28), wherein a sliding clamping piece of the loading rod I (23) is arranged in a groove at the outer side of the mounting cover (22), the connecting disc (24) is fixed at one end, far away from the mounting cover (22), of the loading rod I (23), the loading part I (25) is connected to the other side of the connecting disc (24), the loading frame body (26) is in sliding clamping connection with the outer surface of the loading part I (25), the cross section of the loading frame body (26) is of an n-shaped structure, the loading base body (27) is vertically inserted into the loading frame body (26) and is connected through a screw, the limiting chute (28) is arranged at the upper end face of the flat base (1), and the loading base body (27) slides along the left and right sides of the limiting chute (28).
9. The wind power main shaft bearing working condition simulation test device according to claim 2, wherein the overturning moment loading mechanism further comprises a second loading component (29), a second loading rod (30), a connecting component (31) and a reinforcing plate (32), the second loading component (29) penetrates through one side of the inside of the loading sleeve (12), the output end of the second loading component (29) extends towards the inside of the mounting groove (1201), the second loading rod (30) is fixed at the output end of the second loading component (29), the connecting component (31) is fixed at one side of the second loading rod (30) away from the second loading component (29), the connecting component (31) is in contact with the test unit component (14) in a direction, the reinforcing plate (32) is arranged at one side of the loading sleeve (12) away from the second loading component (29), the cross section of the reinforcing plate (32) is of a triangular structure, and one side of the reinforcing plate (32) is connected with the supporting auxiliary shaft bracket (3) through bolts.
10. The wind power main shaft bearing working condition simulation test device according to claim 5, wherein the reinforcing mechanism comprises a reinforcing groove (33), a reinforcing rod body (3301) and a reinforcing sleeve ring (3302), the reinforcing groove (33) is formed in the upper end face of the flat base (1) and keeps the same vertical center line with the test unit component (14), the reinforcing rod body (3301) is in threaded connection with the inside of the reinforcing groove (33), and the reinforcing sleeve ring (3302) is sleeved on the outer side of the reinforcing rod body (3301).
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| CN202410062794.8A CN117571319A (en) | 2024-01-16 | 2024-01-16 | Wind power main shaft bearing working condition simulation test device |
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| CN202410062794.8A CN117571319A (en) | 2024-01-16 | 2024-01-16 | Wind power main shaft bearing working condition simulation test device |
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| CN117571319A true CN117571319A (en) | 2024-02-20 |
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| CN117030255A (en) * | 2023-08-15 | 2023-11-10 | 洛阳轴承研究所有限公司 | RV reducer main bearing test device |
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| CN110553843A (en) * | 2019-10-17 | 2019-12-10 | 上海精智实业股份有限公司 | triaxial elastic bearing bush fatigue testing machine |
| CN210487271U (en) * | 2019-10-25 | 2020-05-08 | 西南交通大学 | Shield main bearing damage simulation test system |
| CN115541234A (en) * | 2022-09-19 | 2022-12-30 | 大连理工大学 | Multi-load multi-working-condition wind motor spindle bearing scaling test bed |
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