CN220230938U - Bolt detection mechanism of wind turbine generator system - Google Patents
Bolt detection mechanism of wind turbine generator system Download PDFInfo
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- CN220230938U CN220230938U CN202321931260.1U CN202321931260U CN220230938U CN 220230938 U CN220230938 U CN 220230938U CN 202321931260 U CN202321931260 U CN 202321931260U CN 220230938 U CN220230938 U CN 220230938U
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- wind turbine
- bolt
- detection mechanism
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- turbine generator
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- 238000001514 detection method Methods 0.000 title claims abstract description 58
- 230000007246 mechanism Effects 0.000 title claims abstract description 24
- 238000013016 damping Methods 0.000 claims abstract description 29
- 230000002093 peripheral effect Effects 0.000 claims abstract description 15
- 238000010030 laminating Methods 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 230000003044 adaptive effect Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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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- Wind Motors (AREA)
Abstract
The utility model relates to a bolt detection mechanism of a wind turbine generator, which comprises a wind turbine tower, an inner cavity, a plurality of bolts and a plurality of nuts, wherein the detection mechanism is arranged on the front side of the wind turbine tower and comprises a detection ring clamped in the inner cavity, four mounting seats are fixedly arranged on the inner peripheral wall of the detection ring, fixing screws are connected with the inner threads of the mounting seats, a plurality of damping sleeves are connected with the outer wall of the back side of the detection ring in a sliding manner, and contact seats are fixedly arranged on the inner peripheral wall of the damping sleeves. This wind turbine generator system bolt detection mechanism laminates respectively at the front side outer wall of bolt and nut through damping cover and contact seat, can drive the synchronous removal of damping cover and contact seat when the nut is not hard up, and the stopper can be close to one side removal of contact inductor and can contact with the contact inductor, and then the staff alright be accurate learn that a bolt is not hard up, the follow-up maintenance and maintenance work of being convenient for.
Description
Technical Field
The utility model relates to the technical field of wind power equipment, in particular to a bolt detection mechanism of a wind turbine generator.
Background
The loosening and fracture of bolts and nuts for connecting the tower drum and the tower drum of the wind turbine, the tower drum and the wind turbine foundation, the blades and the hub and the like can seriously damage the safety and personal safety of the wind turbine. In order to ensure safety, the connecting bolt and the connecting nut of the wind turbine generator set need to be effectively monitored.
According to the Chinese patent publication No. CN211525003U, a bolt and nut detection structure of a wind turbine generator set and the wind turbine generator set are disclosed, and the technical scheme is as follows: the wind turbine generator comprises a wind turbine generator set, wherein the wind turbine generator set comprises a plurality of bolts and nuts which are matched for use. The bolt and nut detection structure of the wind turbine generator comprises: the mounting seat is arranged on the bolt and/or the nut, and the laser generating assembly projects the position of the bolt and/or the nut.
The above-mentioned patent is to shooting bolt and nut through the camera among the prior art, but receives light and angle's influence, is difficult to discern the not hard up, creep deformation or the fracture of fine bolt and nut, so, is difficult to detect effectively whether the connection between bolt and the nut is not hard up, creep deformation or fracture, then provides another solution to the shortcoming in the above-mentioned patent application in this application.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a wind turbine generator bolt detection mechanism which has the advantages of accurately detecting whether the connection between a bolt and a nut is loose or not and the like, and solves the problem that whether the connection between the bolt and the nut is loose, creeping or broken is difficult to effectively detect.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the wind turbine generator bolt detection mechanism comprises a wind turbine tower, an inner cavity, a plurality of bolts and a plurality of nuts, wherein a detection mechanism is arranged at the front side of the wind turbine tower;
the detection mechanism comprises a detection ring which is clamped inside an inner cavity, four installation seats are fixedly arranged on the inner peripheral wall of the detection ring, fixing screws are connected with the inner threads of the installation seats, damping sleeves with the number being a plurality of are connected with the outer wall of the back side of the detection ring in a sliding mode, a contact seat is fixedly arranged on the inner peripheral wall of the damping sleeve, a limiting block is fixedly arranged on the outer wall of the front side of the contact seat, and a plurality of contact sensors are fixedly arranged inside the detection ring.
Further, the inside of mount pad is offered threaded hole, the screw thread groove has been offered to the inner peripheral wall of wind-powered electricity generation tower section of thick bamboo, set screw threaded connection is in the inside and the size looks adaptation of screw hole and screw thread groove.
Further, the inner cavity is circular, and the thickness of the detection ring is the same as the width of the inner cavity.
Further, the spout that quantity is the same with the bolt quantity has been seted up to the dorsal part outer wall of detection ring, damping sleeve sliding connection is in the inside and the size looks adaptation of spout, the quantity of bolt and nut is the same.
Further, the bolt extends to the front side outer wall of nut, the length of contact seat is less than the length of damping cover, the bolt cup joints at the interior perisporium of damping cover and size looks adaptation.
Further, the back side outer wall of damping cover laminating is at the front side outer wall of nut, the shape of contact seat is the cylinder, the back side outer wall laminating of contact seat is at the front side outer wall of bolt.
Further, the maximum distance between the limiting block and the contact sensor is not more than three millimeters.
Further, the inside fixed mounting of detection ring has annular inductor, annular inductor and stopper are located the coplanar.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
this wind turbine generator system bolt detection mechanism laminates respectively at the front side outer wall of bolt and nut through damping cover and contact seat, can drive the synchronous removal of damping cover and contact seat when the nut is not hard up, and the stopper can be close to one side removal of contact inductor and can contact with the contact inductor, and then the staff alright be accurate learn that a bolt is not hard up, the follow-up maintenance and maintenance work of being convenient for.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a detection ring according to the present utility model;
FIG. 3 is a schematic diagram of the bottom cross-sectional structure of the detection ring of the present utility model.
In the figure: 1. a wind power tower; 2. an inner cavity; 3. a bolt; 4. a nut; 5. a detection ring; 6. a mounting base; 7. a fixing screw; 8. a damping sleeve; 9. a contact base; 10. a limiting block; 11. and a contact sensor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a bolt detection mechanism for a wind turbine generator in this embodiment includes a wind turbine tower 1, an inner cavity 2, a plurality of bolts 3 and a plurality of nuts 4, and a detection mechanism is disposed at a front side of the wind turbine tower 1.
The detection mechanism comprises a detection ring 5 which is clamped inside an inner cavity 2, the inner cavity 2 is in a circular ring shape, the thickness of the detection ring 5 is identical to the width of the inner cavity 2, four mounting seats 6 are fixedly arranged on the inner peripheral wall of the detection ring 5, fixing screws 7 are connected with the inner peripheral wall of each mounting seat 6 in a threaded manner, threaded holes are formed in the inner peripheral wall of each mounting seat 6, a thread groove is formed in the inner peripheral wall of each wind power tower drum 1, the fixing screws 7 are connected with the threaded holes in the threaded grooves in a threaded manner in a matched manner, damping sleeves 8 are connected with the outer wall of the back side of the detection ring 5 in a sliding manner, sliding grooves with the same number as the bolts 3 are formed in the outer wall of the back side of the detection ring 5, the damping sleeves 8 are connected with the inner parts of the sliding grooves in a matched manner, and the bolts 3 and the nuts 4 are identical in number.
The inner peripheral wall fixed mounting of damping cover 8 has contact seat 9, bolt 3 extends to the front side outer wall of nut 4, the length of contact seat 9 is less than the length of damping cover 8, the bolt 3 cup joints the inner peripheral wall and the size looks adaptation of damping cover 8, the laminating of the back side outer wall of damping cover 8 is at the front side outer wall of nut 4, the shape of contact seat 9 is the cylinder, the laminating of the back side outer wall of contact seat 9 is at the front side outer wall of bolt 3, the front side outer wall fixed mounting of contact seat 9 has stopper 10, the inside fixed mounting of detection ring 5 has a plurality of contact inductors 11, the maximum distance between stopper 10 and the contact inductor 11 can not be greater than three millimeters.
In this embodiment, the inner chamber 2 is offered in the front side of wind-powered electricity generation tower section of thick bamboo 1, and bolt 3 threaded connection is at the inside front side outer wall of wind-powered electricity generation tower section of thick bamboo 1 of inner chamber 2, and nut 4 threaded connection just laminates at the front side outer wall of wind-powered electricity generation tower section of thick bamboo 1 at the periphery wall of bolt 3.
In this embodiment, by the damping sleeve 8, the contact seat 9 is prevented from being in contact with the contact sensor 11 due to insufficient friction force after shaking or vibration, and accuracy of detection data is improved.
In this embodiment, the mounting seat 6 and the fixing screw 7 fixedly mount the detection ring 5 inside the inner cavity 2, so that the detection of the bolt 3 and the nut 4 is facilitated.
The working principle of the embodiment is as follows:
firstly, the detection ring 5 is clamped in the inner cavity 2, then the fixing screw 7 is connected with the mounting seat 6 and the inside of the wind power tower 1 in a threaded mode, at the moment, the damping sleeve 8 and the contact seat 9 are respectively in contact with the nut 4 and the bolt 3, after the bolt 3 and the nut 4 are loosened, the nut 4 only moves to one side of the detection ring 5 in a small extent, at the moment, the nut 4 can drive the damping sleeve 8 and the contact seat 9 to slide in a direction close to the contact sensor 11, after the limiting block 10 is contacted with the contact sensor 11, at the moment, the loosening of the bolt 3 and the nut 4 of a worker can be rapidly prompted through the contact sensor 11, and the accuracy of detection of a wind power unit is improved.
And embodiment two, on the basis of embodiment one, be equipped with annular inductor, through the effect of annular inductor, make every stopper 10 all can contact with annular inductor, need not install the inductor one by one, be convenient for installation and subsequent maintenance work.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Wind turbine generator system bolt detection mechanism, including wind-powered electricity generation tower section of thick bamboo (1), inner chamber (2), a plurality of bolts (3) and a plurality of nut (4), its characterized in that: the front side of the wind power tower (1) is provided with a detection mechanism;
detection mechanism includes inside detection ring (5) of joint inner chamber (2), the inner peripheral wall fixed mounting of detection ring (5) has mount pad (6) that quantity is four, the inside threaded connection of mount pad (6) has set screw (7), the back side outer wall sliding connection of detection ring (5) has damping cover (8) that quantity is a plurality of, the inner peripheral wall fixed mounting of damping cover (8) has contact seat (9), the front side outer wall fixed mounting of contact seat (9) has stopper (10), the inside fixed mounting of detection ring (5) has contact inductor (11) that quantity is a plurality of.
2. The wind turbine generator bolt detection mechanism of claim 1, wherein: threaded holes are formed in the mounting seat (6), threaded grooves are formed in the inner peripheral wall of the wind power tower (1), and the fixing screws (7) are in threaded connection with the threaded holes and the threaded grooves and are adaptive to the size.
3. The wind turbine generator bolt detection mechanism of claim 1, wherein: the inner cavity (2) is circular, and the thickness of the detection ring (5) is the same as the width of the inner cavity (2).
4. The wind turbine generator bolt detection mechanism of claim 1, wherein: the outer wall of the back side of the detection ring (5) is provided with sliding grooves the number of which is the same as that of the bolts (3), the damping sleeve (8) is in sliding connection with the inside of the sliding grooves and is matched with the sliding grooves in size, and the bolts (3) and the nuts (4) are the same in number.
5. The wind turbine generator bolt detection mechanism of claim 1, wherein: the bolt (3) extends to the front outer wall of the nut (4), the length of the contact seat (9) is smaller than that of the damping sleeve (8), and the bolt (3) is sleeved on the inner peripheral wall of the damping sleeve (8) and is matched with the damping sleeve in size.
6. The wind turbine generator bolt detection mechanism of claim 1, wherein: the back side outer wall of damping cover (8) laminating is at the front side outer wall of nut (4), the shape of contact seat (9) is the cylinder, the back side outer wall laminating of contact seat (9) is at the front side outer wall of bolt (3).
7. The wind turbine generator bolt detection mechanism of claim 1, wherein: the maximum distance between the limiting block (10) and the contact sensor (11) is not more than three millimeters.
8. The wind turbine generator bolt detection mechanism of claim 1, wherein: the inside of detection ring (5) is fixed mounting has annular inductor, annular inductor and stopper (10) are located the coplanar.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202321931260.1U CN220230938U (en) | 2023-07-21 | 2023-07-21 | Bolt detection mechanism of wind turbine generator system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202321931260.1U CN220230938U (en) | 2023-07-21 | 2023-07-21 | Bolt detection mechanism of wind turbine generator system |
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Publication Number | Publication Date |
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CN220230938U true CN220230938U (en) | 2023-12-22 |
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CN202321931260.1U Active CN220230938U (en) | 2023-07-21 | 2023-07-21 | Bolt detection mechanism of wind turbine generator system |
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CN (1) | CN220230938U (en) |
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2023
- 2023-07-21 CN CN202321931260.1U patent/CN220230938U/en active Active
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