CN114354745A - Main shaft fatigue degree detection equipment for wind generating set - Google Patents
Main shaft fatigue degree detection equipment for wind generating set Download PDFInfo
- Publication number
- CN114354745A CN114354745A CN202111535383.9A CN202111535383A CN114354745A CN 114354745 A CN114354745 A CN 114354745A CN 202111535383 A CN202111535383 A CN 202111535383A CN 114354745 A CN114354745 A CN 114354745A
- Authority
- CN
- China
- Prior art keywords
- main shaft
- ring
- drive
- detection
- driving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 86
- 238000009434 installation Methods 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
- 230000003068 static effect Effects 0.000 claims abstract description 4
- 230000009467 reduction Effects 0.000 claims description 20
- 238000009826 distribution Methods 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 abstract description 27
- 230000003044 adaptive effect Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 4
- 238000010248 power generation Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000002184 metal Substances 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
- 238000012545 processing Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Abstract
The invention relates to a wind driven generator, and discloses a main shaft fatigue degree detection device for a wind driven generator set, which comprises a main shaft, wherein a detection ring for carrying out ultrasonic flaw detection on the surface of the main shaft is sleeved on the main shaft, mounting assemblies for mounting the detection ring and keeping the detection ring relatively static when the main shaft rotates are further arranged at two ends of the main shaft, a driving assembly for driving the detection ring to move in a reciprocating manner is arranged on each mounting assembly, a speed reducer for adjusting the rotating speed is further arranged between a driving gear ring and a driving screw rod, and a connecting mechanism for controlling the input end of the speed reducer to be connected with the driving gear ring is arranged in each speed reducer. The invention can realize that the detection ring carries out intermittent scanning detection on the surface of the main shaft in the horizontal direction without stopping the rotation of the main shaft, realizes intelligent main shaft flaw detection, does not influence the power generation efficiency of the main shaft, further improves the overall practicability of the detection equipment, can adapt to the shaft diameter change of different sections on the main shaft, and realizes adaptive rapid clamping installation.
Description
Technical Field
The invention relates to a wind driven generator, in particular to a main shaft fatigue degree detection device for a wind driven generator set.
Background
The wind power generator is an electric power device which converts wind energy into mechanical work, and the mechanical work drives a rotor to rotate so as to finally output alternating current. The wind-driven generator generally comprises wind wheels, a generator (including a device), a direction regulator (empennage), a tower, a speed-limiting safety mechanism, an energy storage device and other components. The wind driven generator has simple working principle, the wind wheel rotates under the action of wind force, the kinetic energy of the wind is converted into mechanical energy of the main shaft, and the generator rotates under the driving of the main shaft to generate electricity. In a broad sense, wind energy is also solar energy, so that the wind power generator is a heat energy utilization generator which uses solar energy as a heat source and uses the atmosphere as a working medium.
The main shaft of the wind driven generator is directly forged and formed by using a steel ingot, the axis of the main shaft is kept to be coincident with the center line of the steel ingot as far as possible, and two ends of the steel ingot are cut off to the maximum extent, so that the main shaft is ensured to have no shrinkage cavity, serious segregation and other harmful defects. In the prior art, a main shaft of a wind driven generator needs to operate for a long time, metal fatigue easily occurs, a crack phenomenon may occur under severe conditions, and normal operation of the wind driven generator is damaged.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the main shaft fatigue degree detection equipment for the wind generating set, which has the advantages of quick installation of the shaft diameter adaptability of the main shaft and the like, and solves the series problems of inconvenience in real-time monitoring on the surface of the main shaft of the wind generating set and the like in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a main shaft fatigue degree detection device for a wind generating set comprises a main shaft used for a wind driven generator to operate, wherein a detection ring used for detecting the surface state of the main shaft in real time is sleeved on the main shaft, an ultrasonic flaw detection mechanism capable of detecting the surface of the main shaft in an all-around manner is installed in the detection ring, installation components used for installing the detection ring are further arranged at two ends of the main shaft, and the installation components can be kept relatively static when the main shaft rotates;
still be equipped with on the installation component and be used for the drive detect circle reciprocating motion's drive assembly in the horizontal direction, drive assembly contains the initiative ring gear and the drive screw of indirect connection, it cup joints to detect the circle screw thread on the drive screw, the fixed cup joint of initiative ring gear is in on the outer wall of main shaft, the initiative ring gear with still be equipped with the reduction gear that is used for adjusting the rotational speed between the drive screw, can pass through when the initiative ring gear rotates the reduction gear drives the drive screw rotates, just be equipped with in the reduction gear control its input with the linking mechanism that the initiative ring gear is connected.
Preferably, the two ends of the main shaft are fixedly sleeved with fixed bearings with different sizes, and the outer wall of each fixed bearing is fixedly sleeved with a rubber pad matched with the mounting assembly.
Preferably, the installation component contains and is located the cover and establishes the spacing dish at main shaft both ends, two spacing dish all with the main shaft keeps coaxial distribution, and two all set up a plurality of even sliding clamping groove of distribution on the spacing dish, and is a plurality of equal sliding clamping groove is interior all to slide the cover and be equipped with and correspond the spacing fixture block of sliding clamping groove looks adaptation, a plurality of on the same relative position the equal fixedly connected with of one end that spacing fixture block is close to each other can with correspond the rubber clamp piece that the rubber pad contacted.
Preferably, two all through a plurality of connecting rod fixedly connected with and corresponding on the outer wall of spacing dish the coaxial tray of spacing dish, two equal two the corresponding spacing sand grip in equal fixedly connected with position on the inner wall of tray, two on the same relative position all slide in the spacing sand grip and overlap and be equipped with the balancing weight.
Preferably, rotary cavities communicated with the plurality of sliding clamping grooves in corresponding positions are formed in the two limiting discs, a convex ring is fixedly connected to the inner wall of one side of each of the two rotary cavities, rotary discs are rotatably sleeved on the two convex rings, and coil spring driving grooves are formed in the two rotary discs;
the limiting clamping blocks on the same relative position are located on the corresponding limiting disc, one side of the limiting disc is fixedly connected with a driving lug clamped in the rotary disc, and the rotary disc can drive the coil spring driving grooves to drive one ends of the driving lugs on the same relative position to be close to or far away from each other.
Preferably, two one side of carousel still is equipped with the ring channel, and two all the fixed cup joints the ring gear on the inner wall of ring channel, two the equal fixed mounting in one side that spacing dish is close to each other has driving motor, and two driving motor's output shaft rotates the cover and establishes corresponding on the spacing dish and extend to respectively in the corresponding ring channel, two output shaft on the driving motor extend to corresponding one end in the ring channel all fixed cup joint with corresponding the driving gear that the ring gear engaged with.
Preferably, one side of each of the two limiting discs close to each other is fixedly connected with the same horizontal guide rod through a coupler, and the detection ring is sleeved on the horizontal guide rod in a sliding mode.
Preferably, one of them fixed mounting has on the spacing dish the reduction gear, just the output of reduction gear can pass through linking mechanism with the initiative ring gear meshes mutually, the output of reduction gear pass through the shaft coupling with drive screw's one end fixed connection, just drive screw's the other end rotates to be connected another on the spacing dish.
(III) advantageous effects
Compared with the prior art, the invention provides the main shaft fatigue degree detection equipment for the wind generating set, which has the following beneficial effects:
1. the main shaft fatigue degree detection equipment for the wind generating set enables the input end of the speed reducer to be meshed with the driving gear ring by controlling the operation of the linking mechanism, and further enables the output end of the speed reducer to drive the driving screw to rotate after the speed reduction treatment of the speed reducer, so that the detection ring can realize reciprocating movement in the horizontal direction under the horizontal guiding action of the horizontal guide rod, thereby carrying out all-dimensional ultrasonic flaw detection on the outer wall of the main shaft, and is worthy of notice that a one-way reset component capable of independently driving the driving screw to reversely rotate is arranged in the speed reducer, when the detection ring moves to the thinner end of the main shaft, the connection between the speed reducer and the driving gear ring can be separated through the linking mechanism, and the one-way reset component is opened, thereby driving the detection ring to realize reset through the reverse rotation of the driving screw, and further matching the linkage action of the main shaft and the driving gear ring, and the speed reduction and reset action of the speed reducer, the surface of the main shaft can be intermittently scanned and detected in the horizontal direction by the detection ring, the main shaft does not need to be stopped to rotate, the power generation efficiency of the main shaft is not influenced when the intelligent main shaft flaw detection is realized, and the overall practicability of the detection equipment is further improved.
2. When the spindle fatigue degree detection equipment for the wind generating set is used for installing the detection ring, after the thicker end of the spindle is installed, the whole detection equipment is sleeved on the spindle through the thinner end of the spindle, and the synchronous operation of the driving motors at two ends is controlled, so that the driving gear is driven to rotate through the driving motor, the inner gear ring rotates to drive the turntables inside the limiting disks at two ends to rotate, under the guiding action of the corresponding sliding clamping grooves, one ends of a plurality of limiting clamping blocks at the same relative position are mutually close until the plurality of rubber clamping blocks are tightly contacted with the corresponding rubber pads on the fixed bearings and clamp the spindle, the driving motor stops running, and then the installation operation of the limiting disks at two ends and the middle detection ring is completed, in the process, the installation is convenient, meanwhile, the spindle fatigue degree detection equipment can adapt to the change of the shaft diameters of different sections on the spindle, and the adaptive rapid clamping installation is realized, the application range of the detection equipment is improved, and the practicability of the whole detection equipment is enlarged.
Drawings
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a perspective view of a second embodiment of the present invention;
FIG. 3 is a schematic view of a partially cut-away perspective view of the mounting assembly of the present invention;
FIG. 4 is a schematic perspective view of the spindle of the present invention;
FIG. 5 is a partially cut away, partially exploded, perspective view of a mounting assembly of the present invention;
FIG. 6 is a schematic view of a cut-away perspective structure of the limiting plate of the present invention;
FIG. 7 is a schematic view of the internal three-dimensional structure of the limiting plate according to the present invention;
fig. 8 is a schematic perspective view of a decelerator according to the present invention.
In the figure: 1. a main shaft; 2. detecting the ring; 3. fixing the bearing; 4. a tray; 5. a limiting disc; 6. a limiting clamping block; 7. a rubber clamping block; 8. a rotating chamber; 9. a turntable; 10. a coil spring drive slot; 11. a drive lug; 12. an inner gear ring; 13. a drive motor; 14. limiting convex strips; 15. a balancing weight; 16. a driving gear ring; 17. a speed reducer; 18. a drive screw; 19. a horizontal guide bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As described in the background art, the present application provides a spindle fatigue detecting device for a wind turbine generator system, in order to solve the above technical problems.
In a typical embodiment of the present application, as shown in fig. 1 to 8, a main shaft fatigue detection device for a wind turbine generator system, includes a main shaft 1 for a wind turbine generator to operate, a detection ring 2 for detecting a surface state of the main shaft 1 in real time is sleeved on the main shaft 1, an ultrasonic flaw detection mechanism capable of detecting the surface of the main shaft 1 in all directions is installed in the detection ring 2, installation components for installing the detection ring 2 are further installed at two ends of the main shaft 1, the installation components can keep relatively static when the main shaft 1 rotates, the installation components include limiting discs 5 located at two ends of the main shaft 1 and sleeved with the limiting discs 5, the two limiting discs 5 keep coaxial distribution with the main shaft 1, a plurality of sliding clamping grooves evenly distributed are respectively installed on the two limiting discs 5, limiting clamping blocks 6 adapted to corresponding sliding clamping grooves are respectively slidably sleeved in the plurality of sliding clamping grooves, one ends of the plurality of limiting clamping blocks 6 close to each other on the same relative position are fixedly connected with rubber pads capable of being connected with corresponding rubber pads When the main shaft 1 is installed, after the end with the larger diameter on the main shaft 1 is installed, the whole installation assembly is sleeved on the outer wall of the main shaft 1, and then the other end of the main shaft 1 is connected with the fan blade of the wind driven generator, so that the detection ring 2 is quickly installed, and in addition, when the whole installation is realized through the plurality of limiting fixture blocks 6, the rubber clamping blocks 7 can also adapt to different widths of corresponding sections on the main shaft 1, and the practicability of the detection ring 2 in installation is improved;
the fixed bearings 3 with different sizes are fixedly sleeved at the two ends of the main shaft 1, the rubber pads matched with the mounting assemblies are fixedly sleeved on the outer walls of the fixed bearings 3, and meanwhile, when the outer wall of the main shaft 1 is clamped by the rubber clamping blocks 7, compared with a rigid clamping mode, the clamping force between the mounting assemblies and the outer wall of the main shaft 1 can be improved, the phenomenon that the mounting assemblies drive the detection ring 2 to rotate accidentally on the main shaft 1 is prevented, and the overall stability of the device is improved;
the outer walls of the two limiting discs 5 are fixedly connected with trays 4 which are coaxial with the corresponding limiting discs 5 through a plurality of connecting rods, the inner walls of the two trays 4 are fixedly connected with two limiting convex strips 14 corresponding to the positions, the two limiting convex strips 14 on the same relative position are sleeved with balancing weights 15 in a sliding mode, the limiting discs 5 at the two ends can be kept relatively fixed with the position of the main shaft 1 through the arrangement of the balancing weights 15, the limiting discs 5 at the two ends are prevented from rotating along with the rotation of the main shaft 1, the stability of the detection ring 2 in operation is realized, the accuracy of the detection effect is ensured, and meanwhile, the subsequent detection ring 2 can conveniently reciprocate in the horizontal direction;
the mounting component is also provided with a driving component for driving the detection ring 2 to reciprocate in the horizontal direction, the driving component comprises a driving gear ring 16 and a driving screw 18 which are indirectly connected, the detection ring 2 is in threaded sleeve joint on the driving screw 18, the driving gear ring 16 is fixedly sleeved on the outer wall of the main shaft 1, a speed reducer 17 for adjusting the rotating speed is also arranged between the driving gear ring 16 and the driving screw 18, the driving gear ring 16 can drive the driving screw 18 to rotate through the speed reducer 17 when rotating, a connecting mechanism for controlling the input end of the connecting mechanism to be connected with the driving gear ring 16 is arranged in the speed reducer 17, one side, close to each other, of the two limiting discs 5 is fixedly connected with the same horizontal guide rod 19 through a coupler, the detection ring 2 is in sliding sleeve joint on the horizontal guide rod 19, the speed reducer 17 is fixedly arranged on one of the limiting discs 5, and the output end of the speed reducer 17 can be meshed with the driving gear ring 16 through the connecting mechanism, the output end of the reducer 17 is fixedly connected with one end of the driving screw 18 through a coupler, the other end of the driving screw 18 is rotatably connected to the other limiting disc 5, after the installation of the installation component is completed, the main shaft 1 controls the linking mechanism to operate in the rotating process, so that the input end of the reducer 17 is meshed with the driving gear ring 16, and further after the speed reduction treatment of the reducer 17, the output end of the reducer 17 drives the driving screw 18 to rotate, and further the detection ring 2 realizes reciprocating movement in the horizontal direction under the horizontal guiding action of the horizontal guide rod 19, so as to carry out omnibearing ultrasonic flaw detection on the outer wall of the main shaft 1, and it is worth noting that a one-way reset component capable of independently driving the driving screw 18 to rotate reversely is arranged inside the reducer 17, when the detection ring 2 moves to the thinner end of the main shaft 1, the connection between the reducer 17 and the driving gear ring 16 can be separated through the linking mechanism, and open one-way reset assembly to drive detection ring 2 through the reversal of drive screw 18 and realize reseing, and then cooperate main shaft 1 and initiative ring gear 16's interlock effect, and reduction of speed reduction reset action of reduction gear 17, can realize that detection ring 2 carries out intermittent type formula scanning detection to the surface of main shaft 1 in the horizontal direction, and need not to stop the rotation of main shaft 1, when realizing intelligent main shaft 1 and detecting a flaw, do not influence the generating efficiency of main shaft 1, further improved the holistic practicality of check out test set.
As a preferred implementation manner in this embodiment, two limiting discs 5 are respectively provided with a rotating cavity 8 communicated with a plurality of sliding clamping grooves at corresponding positions, a protruding ring is fixedly connected to an inner wall of one side of each of the two rotating cavities 8, two rotating discs 9 are rotatably sleeved on the two protruding rings, and two rotating discs 9 are respectively provided with a coil spring driving groove 10; one side of each of the plurality of limiting clamping blocks 6 at the same relative position, which is located in the corresponding limiting disc 5, is fixedly connected with a driving lug 11 clamped in the rotary disc 9, the rotary disc 9 can drive the plurality of coil spring driving grooves 10 to drive one ends of the plurality of driving lugs 11 at the same relative position to approach or separate from each other when rotating, one side of each of the two rotary discs 9 is also provided with a ring groove, inner ring gears 12 are fixedly sleeved on the inner walls of the two ring grooves, driving motors 13 are fixedly installed on the sides of the two limiting discs 5 which approach each other, the output shafts of the two driving motors 13 are rotatably sleeved on the corresponding limiting discs 5 and respectively extend into the corresponding ring grooves, one ends of the output shafts of the two driving motors 13 which extend into the corresponding ring grooves are fixedly sleeved with driving gears meshed with the corresponding inner ring gears 12, when the detection ring 2 needs to be installed, after the installation of the thicker end on the main shaft 1 is completed, the whole detection device (comprising two limiting discs 5 and each component between the two limiting discs 5) is sleeved on the main shaft 1, and the driving motors 13 at the two ends are controlled to run simultaneously, so that the inner gear ring 12 rotates to drive the turntables 9 inside the limiting discs 5 at the two ends to rotate, and under the guiding action of the corresponding sliding clamping grooves, one ends of a plurality of limiting clamping blocks 6 at the same relative position are close to each other until a plurality of rubber clamping blocks 7 are in close contact with corresponding rubber pads on the fixed bearing 3, the driving motors 13 are stopped to run, and the installation operation of the limiting discs 5 at the two ends and the middle detection ring 2 is further completed, so that the device is convenient to install, can adapt to the shaft diameter change of different sections on the main shaft 1, realizes adaptive clamping installation, enlarges the practicability of the whole detection device, the upper part is the running mode of the installation component in the application, in addition, and a plurality of limiting clamping blocks 6 at the same relative position can be driven to move in a cylinder, a hydraulic cylinder and other modes, so that the connection operation of the detection ring 2 and the main shaft 1 is realized.
The working principle of the invention is as follows: when the detection ring 2 needs to be installed, after the thicker end of the main shaft 1 is installed, the whole detection device is sleeved on the main shaft 1 through the thinner end of the main shaft 1, and the driving motors 13 at the two ends are controlled to run synchronously, so that the driving gear is driven to rotate through the driving motor 13, further the inner gear ring 12 is driven to rotate to drive the rotary disc 9 inside the limiting discs 5 at the two ends to rotate, under the guiding action of the corresponding sliding clamping grooves, one ends of the limiting clamping blocks 6 at the same relative position are enabled to approach each other until the rubber clamping blocks 7 are in close contact with the corresponding rubber pads on the fixed bearings 3 and clamp the main shaft 1, the driving motor 13 is stopped to run, further the installation operation of the limiting discs 5 at the two ends and the detection ring 2 at the middle part is completed, in the process, the installation is convenient, meanwhile, the axial diameter change of different sections on the main shaft 1 can be adapted, and the adaptive rapid clamping installation is realized, the application range of the detection equipment is improved, and the practicability of the whole detection equipment is enlarged;
after the installation of the installation component is completed, the main shaft 1 is in the rotating process, the input end of the reducer 17 is meshed with the driving gear ring 16 by controlling the operation of the linking mechanism, and then after the speed reduction processing of the reducer 17, the output end of the reducer 17 drives the driving screw 18 to rotate, so that the detection ring 2 can realize reciprocating movement in the horizontal direction under the horizontal guiding action of the horizontal guide rod 19, thereby carrying out all-dimensional ultrasonic flaw detection on the outer wall of the main shaft 1, and it is worth noting that a one-way reset component which can independently drive the driving screw 18 to rotate reversely is arranged in the reducer 17, when the detection ring 2 moves to the thinner end of the main shaft 1, the connection between the reducer 17 and the driving gear ring 16 can be separated through the linking mechanism, and the one-way reset component is opened, so that the detection ring 2 is driven to reset by the driving screw 18, thereby matching the linkage action of the main shaft 1 and the driving gear ring 16, and the speed reduction resetting effect of the speed reducer 17 can realize that the detection ring 2 carries out intermittent scanning detection on the surface of the main shaft 1 in the horizontal direction, and the rotation of the main shaft 1 is not required to be stopped, so that the power generation efficiency of the main shaft 1 is not influenced while the intelligent flaw detection of the main shaft 1 is realized, and the overall practicability of the detection equipment is further improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a main shaft fatigue degree check out test set for wind generating set, includes main shaft (1) that is used for aerogenerator to move which characterized in that: the device comprises a main shaft (1), a detection ring (2) for detecting the surface state of the main shaft (1) in real time is sleeved on the main shaft (1), an ultrasonic flaw detection mechanism capable of detecting the surface of the main shaft (1) in all directions is installed in the detection ring (2), installation assemblies for installing the detection ring (2) are further arranged at two ends of the main shaft (1), and the installation assemblies can keep relatively static when the main shaft (1) rotates;
still be equipped with on the installation component and be used for the drive detect circle (2) reciprocating motion's drive assembly in the horizontal direction, drive assembly contains indirect drive ring gear (16) and the drive screw (18) of connecting, it cup joints to detect circle (2) screw thread on drive screw (18), drive ring gear (16) are fixed cup joint on the outer wall of main shaft (1), drive ring gear (16) with still be equipped with between drive screw (18) reduction gear (17) that are used for adjusting the rotational speed, can pass through when drive ring gear (16) rotate reduction gear (17) drive screw (18) rotate, just be equipped with in reduction gear (17) control its input with the linking mechanism that drive ring gear (16) are connected.
2. The main shaft fatigue degree detection device for the wind generating set according to claim 1, characterized in that: the two ends of the main shaft (1) are fixedly sleeved with fixed bearings (3) with different sizes, and the outer wall of each fixed bearing (3) is fixedly sleeved with a rubber pad matched with the mounting assembly.
3. The main shaft fatigue degree detection device for the wind generating set according to claim 2, characterized in that: the installation component contains and is located the cover and establishes spacing dish (5), two at main shaft (1) both ends spacing dish (5) all with main shaft (1) keeps coaxial distribution, and two all set up the even slide clamping groove of a plurality of distributions on spacing dish (5), and is a plurality of equal slip cap is equipped with and corresponds in the slide clamping groove spacing fixture block (6) of slide clamping groove looks adaptation, a plurality of on the same relative position the equal fixedly connected with of one end that spacing fixture block (6) are close to each other can with correspond rubber clamp splice (7) that the rubber pad contacted.
4. The main shaft fatigue degree detection device for the wind generating set according to claim 3, characterized in that: two all through a plurality of connecting rod fixedly connected with and correspond on the outer wall of spacing dish (5) coaxial tray (4), two on the inner wall of tray (4) equal two fixed connection have two corresponding spacing sand grip (14) in position, two on the same relative position equal sliding sleeve is equipped with balancing weight (15) in spacing sand grip (14).
5. The main shaft fatigue degree detection device for the wind generating set according to claim 4, wherein: rotary cavities (8) communicated with the sliding clamping grooves in the corresponding positions are formed in the two limiting discs (5), a convex ring is fixedly connected to the inner wall of one side of each of the two rotary cavities (8), rotary discs (9) are rotatably sleeved on the two convex rings, and coil spring driving grooves (10) are formed in the two rotary discs (9);
a plurality of on the same relative position spacing fixture block (6) are located the correspondence one side equal fixedly connected with card in spacing dish (5) is established drive lug (11) in carousel (9), carousel (9) can drive a plurality of when rotating coil spring driving groove (10) drive a plurality of on the same relative position the one end of drive lug (11) is close to each other or is kept away from.
6. The main shaft fatigue degree detection device for the wind generating set according to claim 5, characterized in that: two one side of carousel (9) still is equipped with the ring channel, and two equal fixed ring gear (12) of having cup jointed on the inner wall of ring channel, two the equal fixed mounting in one side that spacing dish (5) are close to each other has driving motor (13), and two the output shaft of driving motor (13) rotates the cover and establishes and corresponds spacing dish (5) are gone up and extend to respectively and correspond in the ring channel, two output shaft on driving motor (13) extends to corresponding one end in the ring channel all fixed cup joint with corresponding the driving gear that ring gear (12) engaged with.
7. The main shaft fatigue degree detection device for the wind generating set according to claim 3, characterized in that: two one side that spacing dish (5) are close to each other all is through same horizontal guide arm (19) of shaft coupling fixedly connected with, detection circle (2) slip cover is established on horizontal guide arm (19).
8. The main shaft fatigue degree detection device for the wind generating set according to claim 7, characterized in that: one of them fixed mounting has on spacing dish (5) reduction gear (17), just the output of reduction gear (17) can pass through linking mechanism with initiative ring gear (16) mesh mutually, the output of reduction gear (17) pass through the shaft coupling with the one end fixed connection of drive screw (18), just the other end of drive screw (18) is rotated and is connected another on spacing dish (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111535383.9A CN114354745A (en) | 2021-12-15 | 2021-12-15 | Main shaft fatigue degree detection equipment for wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111535383.9A CN114354745A (en) | 2021-12-15 | 2021-12-15 | Main shaft fatigue degree detection equipment for wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114354745A true CN114354745A (en) | 2022-04-15 |
Family
ID=81099881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111535383.9A Pending CN114354745A (en) | 2021-12-15 | 2021-12-15 | Main shaft fatigue degree detection equipment for wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114354745A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116338007A (en) * | 2023-05-31 | 2023-06-27 | 沈阳爱尔泰医疗科技有限公司 | Ultrasonic oxygen concentration measuring device |
-
2021
- 2021-12-15 CN CN202111535383.9A patent/CN114354745A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116338007A (en) * | 2023-05-31 | 2023-06-27 | 沈阳爱尔泰医疗科技有限公司 | Ultrasonic oxygen concentration measuring device |
| CN116338007B (en) * | 2023-05-31 | 2023-08-15 | 沈阳爱尔泰医疗科技有限公司 | Ultrasonic oxygen concentration measuring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101762350B (en) | Centrally-mounted motorcar chassis electricity dynamometer | |
| CN110635758A (en) | Follow-up solar photovoltaic power generation device | |
| CN114354745A (en) | Main shaft fatigue degree detection equipment for wind generating set | |
| CN103867388B (en) | Electric direct-drive formula wind electricity change paddle drive system | |
| CN203847326U (en) | Electric direct-driven wind power variable pitch device | |
| CN108954290B (en) | Clean H-shaped fin economizer | |
| CN207761876U (en) | A kind of mechanical brake gear for small-sized wind power generator | |
| CN201535714U (en) | Tightness self-adjusting slewing mechanism for precise bearing performance detector | |
| CN204053430U (en) | Cylinder valve tightening machine | |
| CN202291995U (en) | Rotary welding device | |
| CN203044956U (en) | Wind electricity cutting machine radial drilling device | |
| CN102357765B (en) | Rotary welding device | |
| CN103953504A (en) | Electric direct-driven type wind power variable-pitch device | |
| CN208289219U (en) | A kind of chuck of synchronous belt pulley transmission formula | |
| CN210509471U (en) | Sensor base of wind driven generator | |
| CN208010514U (en) | A kind of municipal administration wind and light complementary road lamp windmill brake device | |
| CN201583375U (en) | Centrally-mounted automobile chassis electric dynamometer | |
| CN203783811U (en) | Electric direct-driven wind power variable-pitch driving system | |
| CN213627858U (en) | Mechanical brake device of wind driven generator | |
| CN219795446U (en) | Braking device of wind driven generator | |
| CN212966492U (en) | Be used for cage stranding machine to shut down alarm device | |
| CN203044955U (en) | Wind electricity cutting machine axial drilling device | |
| CN216596018U (en) | Limiting device for solar photovoltaic panel | |
| CN220259784U (en) | Wind turbine generator system main shaft screw thread repair frock | |
| CN210282013U (en) | Bearing machining clamp for wind driven generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |