CN214944713U - Impeller lockpin device and fan - Google Patents
Impeller lockpin device and fan Download PDFInfo
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- CN214944713U CN214944713U CN202120674293.7U CN202120674293U CN214944713U CN 214944713 U CN214944713 U CN 214944713U CN 202120674293 U CN202120674293 U CN 202120674293U CN 214944713 U CN214944713 U CN 214944713U
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- impeller
- pin
- locking
- locking ring
- sensor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model provides an impeller lockpin device and fan, wherein, impeller lockpin device includes: the locking ring is arranged on the front chassis, and the locking ring is arranged on the front chassis; the detection end of the monitoring device faces the locking ring, and a detection area is formed on one side of the locking ring; the pin hole rotates along with the locking ring and passes through the detection area; the lock pin has a first state of being inserted into the pin hole and a second state of being separated from the pin hole; the driving device is connected with the lock pin, and the controller is electrically connected with the monitoring device and the driving device respectively. The utility model provides an impeller lockpin device and fan can judge the position and the motion trend of pinhole according to the pinhole in the detection zone through the area, judges in advance whether carry out the bolt operation, reserves sufficient time for the bolt action, avoids the lockpin to miss the pinhole. Compared with the impeller locking mode in the prior art, the impeller locking mode has the advantages of being simpler in operation and higher in accuracy.
Description
Technical Field
The utility model relates to a power generation equipment technical field especially relates to an impeller lockpin device and fan.
Background
With the trend of the wind turbine to enter the high-power long blades, the locking pin of the wind turbine is larger, the impeller is more difficult to lock, and the time spent in the maintenance operation of the hub is longer. At present, the impeller is locked mainly by manual operation and hydraulic operation, and the identification mode mainly comprises naked eye identification and a light sensor. The prior impeller locking mode has the following technical problems: the manual locking of the impeller consumes much time, the main shaft needs to be manually turned to rotate, the brake and the barring are operated by a plurality of people to lock the impeller, and the lock pin hole is observed; the defect of low accuracy in judging the pin hole alignment by naked eyes; when the light sensor is used for centering in the prior art, the pin hole and the lock pin can be locked when being completely aligned, and the risk of missing exists.
SUMMERY OF THE UTILITY MODEL
The utility model provides an impeller lockpin device and fan for solve the complex operation that the mode of locking impeller exists among the prior art, have the problem of missing the risk.
The utility model provides an impeller lockpin device,
the method comprises the following steps: the locking ring is arranged on the front chassis, and the locking ring is arranged on the front chassis;
the detection end of the monitoring device faces the locking ring, and a detection area is formed on one side of the locking ring and used for monitoring the light transmission area of the detection area;
the pin hole rotates with the locking ring to pass through the detection area;
the lock pin is connected with the front chassis in a sliding mode and has a first state of being inserted into the pin hole and a second state of being separated from the pin hole;
the driving device is connected with the lock pin and used for driving the lock pin to switch between the first state and the second state;
the controller is respectively electrically connected with the monitoring device and the driving device, and controls the driving device to operate according to the light transmission area signal fed back by the monitoring device.
According to the utility model provides a pair of impeller lockpin device, monitoring devices includes first sensor and second sensor, first sensor with the second sensor is in the detection area who forms overlaps on the locking ring.
According to the utility model provides a pair of impeller lockpin device, first sensor with the second sensor is photosensitive sensor.
According to the utility model provides a pair of impeller lockpin device, first sensor with the second sensor branch is arranged in the both sides of lockpin, and respectively towards the axis slope of lockpin.
According to the utility model provides a pair of impeller lockpin device, the detection zone is located the axial direction of extension of lockpin, the detection zone is in orthographic projection area on the locking ring is not less than the area of pinhole.
According to the utility model provides a pair of impeller lockpin device still includes the installation component, monitoring devices passes through the installation component rotate connect in preceding chassis.
According to the utility model provides a pair of impeller lockpin device, the installation component includes ball pivot support and hinge bar, hinge bar one end with the ball pivot support is articulated, and the other end is connected monitoring devices.
According to the utility model provides a pair of impeller lockpin device, monitoring devices with the connection can be dismantled to the hinge bar.
According to the utility model provides a pair of impeller lockpin device, the pinhole is in at least two of circumference has arranged on the locking ring, monitoring devices, lockpin and drive arrangement with the pinhole correspondence is provided with at least two, each monitoring devices and each drive arrangement simultaneously with the controller electricity is connected.
The utility model also provides a fan, including impeller, generator and above arbitrary item impeller lockpin device, the locking ring sets up on the wheel hub of impeller, preceding chassis sets up on the motor cabinet of generator.
The utility model provides an impeller lockpin device and fan can pass through the area through the pinhole in the monitoring devices acquisition detection zone, from this, is convenient for judge the position and the motion trend of pinhole according to the pinhole area of passing through in the detection zone, judges in advance whether carry out the bolt operation, reserves sufficient time for the bolt action, avoids the lockpin to miss the pinhole. Compared with the impeller locking mode in the prior art, the impeller locking mode has the advantages of being simpler in operation and higher in accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an impeller latch device provided by the present invention;
fig. 2 is a schematic view of an installation structure of a monitoring device in an impeller locking pin device provided by the present invention;
fig. 3 is a flow chart of the impeller locking process of the present invention.
Reference numerals:
100. locking a ring; 110. A pin hole; 200. A front chassis;
210. a lock pin; 220. A drive device; 230. A first sensor;
240. a second sensor; 250. An ear portion; 260. A spherical hinge support;
270. a hinged lever.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
An impeller latch mechanism according to an embodiment of the present invention will be described with reference to fig. 1. The impeller locking pin device is arranged on a locking ring 100 and a front bottom frame 200 of the fan, wherein the locking ring 100 is positioned on a hub of an impeller and can coaxially rotate along with the impeller, and the front bottom frame 200 is positioned on a motor base of the generator.
The impeller locking pin means includes a pin hole 110 provided on the locking ring 100, and a monitoring means, a locking pin 210 and a driving means 220 provided on the front chassis 200. Wherein the sensing end of the monitoring device faces the locking ring 100 and forms a sensing area on one side of the locking ring 100. The pin hole 110 rotates with the lock ring 100 passing through the detection zone, and the monitoring device can obtain the passing area of the pin hole 110 in the detection zone when the pin hole 110 passes through the detection zone. The lock pin 210 is slidably connected to the front chassis 200, the lock pin 210 has a first state of being inserted into the pin hole 110 and a second state of being separated from the pin hole 110, and in the first state, the lock pin 210 can axially limit the rotation of the lock ring 100 and the impeller; in the second state, the lock pins 210 can release the restriction of the lock ring 100 and the impeller.
The actuating device 220 is coupled to the latch 210 for actuating the latch 210 between the first state and the second state. The manual operation is replaced, time and labor are saved, and the control accuracy is higher.
In an alternative form, the driving device 220 includes a linear motor and a coupler, an output shaft of the linear motor is connected to the lock pin 210 through the coupler, and the linear motor can drive the lock pin 210 to move axially when operating. Compared with common hydraulic drive, the drive device 220 with the structure has the advantages of low installation cost, no oil leakage risk and the like.
The impeller locking pin device further comprises a controller electrically connected to the monitoring device and the driving device 220, respectively, to control the operation of the driving device 220 according to the passing area of the pin hole 110 in the detection zone. Specifically, the controller continuously obtains the passing area of the pin hole 110 in the detection area, further obtains the variation trend of the area, and judges whether to drive the locking pin 210 to lock according to the variation trend of the area. When the controller determines that the passing area of the pin hole 110 in the detection area is gradually increased and exceeds a set threshold, the controller may control the driving device 220 to operate to perform the locking operation.
Optionally, the controller is also connected with a high-speed shaft brake of the impeller, and when the controller determines that locking can be performed, the controller controls the high-speed shaft brake of the impeller to operate, so as to perform braking, reduce the rotation speed of the impeller, and simultaneously control the driving device 220 to operate according to the rotation speed of the impeller after braking, so that the lock pin 210 is smoothly inserted into the pin hole 110.
In one embodiment of the present invention, the monitoring device comprises a first sensor 230 and a second sensor 240, and the detection areas formed on the locking ring 100 by the first sensor 230 and the second sensor 240 overlap. The passing area of the pin hole 110 in the detection area is obtained by the first sensor 230 and the second sensor 240 simultaneously, so that the detection result is more accurate, and the measurement error caused by the angle of a single sensor and other problems is avoided.
Optionally, the first sensor 230 and the second sensor 240 are photosensitive sensors, and when the pin hole 110 enters the detection area or moves out of the detection area, the light intensity in the detection area can be changed, and the passing area of the pin hole 110 in the detection area and the change trend of the area can be determined according to the change of the light intensity in the detection area.
Referring to fig. 2, the first sensor 230 and the second sensor 240 are disposed at both sides of the locking pin 210 and are respectively inclined toward the axis of the locking pin 210. When the first sensor 230 and the second sensor 240 are installed, the symmetrical ears 250 on the front chassis 200 at both sides of the latch 210 can be directly used for installation, and additional installation positions are not required to be designed, and the positioning of the first sensor 230 and the second sensor 240 is facilitated.
The detection area is located the axial direction that extends of lockpin 210, and the orthographic projection area of detection area on locking ring 100 is no less than the area of pinhole 110, makes pinhole 110 move and can fall into the detection area completely when aligning with lockpin 210, and the judgement to the area of pinhole 110 in the detection area and the trend of change of area is more accurate.
In an embodiment of the present invention, the impeller latch device further includes a mounting assembly, and the monitoring device is rotatably connected to the front chassis 200 through the mounting assembly, and the orientation of the monitoring device can be adjusted by rotation. The first sensor 230 and the second sensor 240 of the monitoring device may be mounted on the front chassis 200 by one mounting assembly, respectively.
The mounting assembly comprises a spherical hinge support 260 and a hinge rod 270, the spherical hinge support 260 is fixed on the ear part 250 of the front chassis 200, one end of the hinge rod 270 is hinged with the spherical hinge support 260, the other end of the hinge rod is connected with the monitoring device, and the angle of the monitoring device can be adjusted by rotating the hinge rod 270.
Optionally, the monitoring device is detachably connected with the hinge rod 270, and can be connected in a detachable manner such as clamping, screw connection and hoop connection, so that the monitoring device can be conveniently assembled, disassembled and maintained.
In an embodiment of the present invention, at least two pin holes 110 are circumferentially arranged on the locking ring 100 around the axis of the locking ring 100, at least two monitoring devices, the locking pins 210 and the driving devices 220 are provided corresponding to the pin holes 110, and each monitoring device and each driving device 220 are simultaneously electrically connected to the controller. Therefore, the controller can simultaneously control the operation of at least two lock pins 210, the two lock pins 210 can be locked simultaneously, a better locking effect can be achieved, the stress of a single lock pin 210 can be reduced, the service life is prolonged, and the use safety is improved. In an embodiment of the present invention, there is also provided a fan, which includes an impeller, a generator and any one of the above impeller locking pin devices, wherein the locking ring 100 of the impeller locking pin device is disposed on the hub of the impeller, the front chassis 200 is disposed on the motor base of the generator, and the locking of the impeller can be achieved when the locking pin 210 is inserted into the pin hole 110.
The process of impeller locking is described below in conjunction with fig. 3. Firstly, starting an impeller locking function, wherein a starting button of the impeller locking function can be integrated to an impeller locking device or a human-computer interface, after the impeller locking function is started, firstly carrying out unit state detection and initial state detection of hole sites, then acquiring the change trend of the area of a pin hole 110 in a detection area, determining whether the locking requirement is met according to the change trend of the area, carrying out high-speed shaft braking when the locking requirement is met, obtaining the hole site centering condition according to the passing area of the pin hole 110 in the detection area, judging whether the locking condition is met, if so, controlling a lock pin 210 to be inserted, completing impeller locking, if not, releasing the brake, returning to the unit state detection and the initial state detection of the hole sites, and repeating the steps until the impeller locking is completed.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. An impeller detent assembly, comprising: the locking ring is arranged on the front chassis, and the locking ring is arranged on the front chassis;
the detection end of the monitoring device faces the locking ring, and a detection area is formed on one side of the locking ring and used for monitoring the light transmission area of the detection area;
the pin hole rotates with the locking ring to pass through the detection area;
the lock pin is connected with the front chassis in a sliding mode and has a first state of being inserted into the pin hole and a second state of being separated from the pin hole;
the driving device is connected with the lock pin and used for driving the lock pin to switch between the first state and the second state;
the controller is respectively electrically connected with the monitoring device and the driving device, and controls the driving device to operate according to the light transmission area signal fed back by the monitoring device.
2. The impeller detent device of claim 1, wherein said monitoring means comprises a first sensor and a second sensor, said first sensor and said second sensor forming overlapping detection zones on said locking ring.
3. The impeller detent mechanism of claim 2, wherein said first sensor and said second sensor are light sensitive sensors.
4. The impeller locking pin arrangement of claim 2 or 3, wherein the first sensor and the second sensor are disposed on opposite sides of the locking pin and are each inclined toward the axis of the locking pin.
5. The impeller locking pin device of claim 1, wherein said detection zone is located in the axial extension of said locking pin, and the orthographic area of said detection zone on said locking ring is not smaller than the area of said pin hole.
6. The impeller detent mechanism of claim 1, further comprising a mounting assembly by which said monitoring device is rotatably coupled to said front chassis.
7. The impeller detent mechanism of claim 6, wherein said mounting assembly includes a ball pivot mount and a hinge rod, said hinge rod being hingedly connected to said ball pivot mount at one end and to said monitoring device at the other end.
8. The impeller detent mechanism of claim 7, wherein said monitoring means is removably connected to said hinge rod.
9. The impeller locking pin device of claim 1, wherein the pin holes are arranged at least two circumferentially on the locking ring, the monitoring device, the locking pin and the driving device are arranged at least two corresponding to the pin holes, and each monitoring device and each driving device are simultaneously electrically connected with the controller.
10. A wind turbine comprising an impeller, a generator and an impeller pin arrangement as claimed in any one of claims 1 to 9, the locking ring being provided on a hub of the impeller and the front chassis being provided on a motor mount of the generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120674293.7U CN214944713U (en) | 2021-04-01 | 2021-04-01 | Impeller lockpin device and fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120674293.7U CN214944713U (en) | 2021-04-01 | 2021-04-01 | Impeller lockpin device and fan |
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| Publication Number | Publication Date |
|---|---|
| CN214944713U true CN214944713U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120674293.7U Active CN214944713U (en) | 2021-04-01 | 2021-04-01 | Impeller lockpin device and fan |
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| CN (1) | CN214944713U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115013401A (en) * | 2022-05-31 | 2022-09-06 | 三一重能股份有限公司 | Abnormal movement prevention protection system and method for moving pin, moving pin device and wind driven generator |
-
2021
- 2021-04-01 CN CN202120674293.7U patent/CN214944713U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115013401A (en) * | 2022-05-31 | 2022-09-06 | 三一重能股份有限公司 | Abnormal movement prevention protection system and method for moving pin, moving pin device and wind driven generator |
| CN115013401B (en) * | 2022-05-31 | 2024-06-04 | 三一重能股份有限公司 | Mobile pin anti-abnormal protection system and method, mobile pin device and wind driven generator |
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