CN206175141U - Wind power generation impeller lockpin structure - Google Patents
Wind power generation impeller lockpin structure Download PDFInfo
- Publication number
- CN206175141U CN206175141U CN201621015511.1U CN201621015511U CN206175141U CN 206175141 U CN206175141 U CN 206175141U CN 201621015511 U CN201621015511 U CN 201621015511U CN 206175141 U CN206175141 U CN 206175141U
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- CN
- China
- Prior art keywords
- screw thread
- lock pin
- nesting
- wind power
- power generation
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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 wind power generation impeller lockpin structure, including the lockpin, the screw thread is nested, hand wheel and spacer pin, locking disk fixes on the impeller, locking disk is last to have lock fixed cone hole, head end at the lockpin is and locks fixed cone hole complex cone, the end at the mounting hole is rotationally installed to the screw thread nestification, the screw thread nestification has the centre bore, the terminal part of lockpin is installed in the centre bore, and with centre bore screw -thread fit, the hand wheel install the screw is nested wear out the part of end cover on, stretch out the lock fixed cone hole of inserting locking disk through rotating the hand wheel drive lockpin, lock static impeller, the spacer pin is installed on the lockpin, have on the chassis of cabin with the perpendicular notch that link up of mounting hole, spacer pin embedding notch. The beneficial effects of the utility model are that: convenient operation, laborsaving, the maintainability is good, and is longe -lived, and the operation travelling comfort is good.
Description
Technical field
This utility model is related to a kind of wind power generation impeller detent configuration.
Background technology
In wind power generating set, pitch-controlled system is rotated with wheel hub and blade, converts wind energy into mechanical energy.In wheel hub
Pitch-controlled system Universal Faults rate is higher, and this is accomplished by attendant and carries out maintenance work into the impeller internal of rotation.This
When wind wheel necessarily be in locking state.In view of it is safe the reason for, after blade feathering, safeguarding below wind speed, wind wheel will be with very
Low speed fluctuation, now realizes the locking of impeller by impeller detent configuration.
Chinese patent literature CN201020601204.8 discloses a kind of wind wheel locking device, including locking plate, base, lock
Tight to sell, the locking plate is connected with the main shaft of wind power generating set, and the locking plate is provided with locking hole, and the base is provided with
The through hole alignd with the locking hole；, in the through hole, one end of the locking pin is near the locking for the locking pin
Hole, the other end are formed with the base by connector and are detachably connected；Set between the distal end of the locking pin and the through hole
Flexible part.
Be present some defects in the version, show as：1st, underframe and the connection of lockpin ventilating via, two interporal lacunas are too little then difficult
To align, gap great Yi alignment but impeller braking is unreliable, impeller still slightly can swing, lock pin easily therefore impact and it is stuck, lead
Cause lock pin failure；When the 2nd, realizing lock pin locking and unlocking, there is larger resistance torque between stroke limit bolt and bushing, safeguard
High labor intensive；3rd, when the portable realization of lock pin is locked or unlocked, position is difficult to determine that direction limiting plate mounting process is poor；4、
Limit sensors are installed between brake disc and base, as away from too little, sensor easily causes destruction because of brake disc play between the two,
And safeguard narrow space not easy care；5th, as lock pin size itself is less, oil-way is set thereon, stress concentration is serious,
It is easily caused overload failure.
Utility model content
Technical problem to be solved in the utility model is：The easily stuck failure of the lock pin of existing impeller detent configuration, lock
Tightly with high labor intensive during unblock.
This utility model solves the technical scheme adopted by its technical problem：A kind of wind power generation impeller detent configuration,
Including lock pin, nested screw thread, handwheel and spacer pin, locking disk is fixed on impeller, has locking taper hole, in lock pin on locking disk
Head end be and locking taper hole coordinate conical head, lock pin be arranged on cabin underframe installing hole in, screw thread nesting on have it is convex
Ring, installs end cap on the outside of the end of installing hole, has limited step on the inside of the end of installing hole, and screw thread is nested rotationally
Installed in the end of installing hole, limited step is located at the both sides of the nested bulge loop of screw thread respectively, screw thread nesting is carried out with end cap
Install and thrust bearing is set between the limited step on the inside of the end of positioning, the nested bulge loop of screw thread and installing hole, screw thread is nested
With there is female thread in centre bore, centre bore, there is on the end section of lock pin external screw thread, the end section of lock pin is arranged on
In centre bore, and coordinate with centre bore screw thread, female thread, external screw thread meet condition of self-locking, handwheel is arranged on wearing for screw thread nesting
Go out on the part of end cap, drive lock pin to stretch out the locking taper hole of insertion locking disk by rotating handwheel, lock impeller, spacer pin peace
Be mounted on lock pin, on cabin underframe with installing hole vertically through notch, spacer pin is embedded in notch.
Further limit, in the locking taper hole of the fully-inserted locking disk of lock pin, the end face of locking pin ends is nested with screw thread
Outer face it is concordant.
Further limit, there is between lock pin and lock hole axle sleeve.
Further limit, axle sleeve is enclosed within lock pin and is carried out by the shaft shoulder on lock pin and the collar being stuck on lock pin solid
It is fixed.
Further limit, the head end of installing hole installs underframe nesting.
Further limit, thrust bearing is set between the nested bulge loop of screw thread and end cap.
Further limit, position sensor is arranged on cabin underframe and closes on notch, monitoring limit directly or by support
The position of position pin.
Further limit, position sensor is travel switch.
The beneficial effects of the utility model are：
1st, easy to operate, laborsaving, maintainability is good, life-span length, and operation comfortableness is good；
2nd, locking disk and lock pin adopt cone structure, with guide effect, can compensate for the wind caused due to the wind load for changing
Wheel swings, and realizes that impeller is braked easily；
3rd, due to thrust bearing being adopted between the installing hole of screw thread nesting end face and cabin underframe, be greatly reduced impeller lock pin and stretch
Go out the action torque on handwheel with retractile action, mitigate upkeep operation intensity；
4th, axle sleeve is made using high-abrasive material, and hardness is less than cabin underframe material hardness, can prevent from killing between the two, prevents
Only the installing hole inordinate wear of cabin underframe and affect the lock pin life-span；
5th, by size design, when realizing that lock pin is locked completely with locking disk, the end face of locking pin ends is nested with screw thread
Outer face is just concordant, can intuitively judge whether impeller locks, it is ensured that impeller is reliably braked；
6th, cause security incident due to being provided with travel switch and can prevent unit from opening extremely machine.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
In figure：1. locking disk, 1-1. locking taper holes, 2. lock pin, 2-1. conical heads, 2-2. collars, 2-3. axle sleeves, outside 2-5.
Screw thread, 3. cabin underframe, 3-1. underframe are nested, 3-2. underframe notches, 3-3. installing holes, 4. thrust bearing, and 5. screw thread is nested, 6.
End cap, 7. handwheel, 8. spacer pin, 9. position sensor, 10. support,
Specific embodiment
As shown in figure 1, a kind of wind power generation impeller detent configuration, including lock pin 2, screw thread nesting 5, handwheel 7 and spacer pin
8, it is the conical head 2-1 with the locking taper hole 1-1 cooperations of locking disk 1 in the head end of lock pin 2, locking disk 1 and impeller are connected as one
Body, due to using taper hole structure, with guide effect, can compensate for, as the wind wheel that the wind load for changing causes swings, realizing easily
Impeller is braked.
Lock pin 2 is arranged in the installing hole 3-3 of cabin underframe 3, has bulge loop, at the end of installing hole 3-3 in screw thread nesting 5
End cap 6 is installed using securing member in end outside, on the inside of the end of installing hole 3-3 has limited step, and screw thread nesting 5 is rotationally
Installed in the end of installing hole 3-3, limited step is located at the both sides of the bulge loop of screw thread nested 5 respectively with end cap 6, nested to screw thread
5 carry out installation positioning, and screw thread nested 5 has in centre bore, centre bore and has female thread, has outer on the end section of lock pin 2
Screw thread 2-5, the end section of lock pin 2 are arranged in centre bore, and are coordinated with centre bore screw thread, and female thread, external screw thread 2-5 meet
Condition of self-locking, handwheel 7 is by being detachably connected mode on the part for passing end cap 6 of screw thread nesting 5, by rotating handss
Wheel 7 drives lock pin 2 to stretch out the locking taper hole 1-1 of insertion locking disk 1, locks impeller.
Spacer pin 8 is arranged on lock pin 2 by the fabrication hole on lock pin 2, with vertical with installing hole 3-3 on cabin underframe 3
The notch 3-2 of straight insertion, spacer pin 8 are embedded in notch 3-2, limit lock pin 2 and make circumferencial direction motion.
By size design, in the locking taper hole 1-1 of 2 fully-inserted locking disk 1 of lock pin, the end face of 2 end of lock pin with
The outer face of screw thread nesting 5 is concordant, can intuitively judge whether impeller locks, it is ensured that impeller is reliably braked.
There is between lock pin 2 and lock hole axle sleeve 2-3.Axle sleeve 2-3 be enclosed within lock pin 2 and by the shaft shoulder on lock pin 2 and
The collar 2-2 being stuck on lock pin 2 is fixed.Axle sleeve 2-3 is made using high-abrasive material, and hardness is hard less than 3 material of cabin underframe
Degree, can prevent from killing between the two, prevent the installing hole 3-3 inordinate wears of cabin underframe 3 and affect the lock pin life-span.
The head end of installing hole 3-3 installs underframe nesting 3-1, prevents installing hole 3-3 inordinate wears, improves lock pin 2 and uses the longevity
Life, centre bore of the lock pin 2 through underframe nesting 3-1.
Thrust bearing 4 is set between the limited step on the inside of the end of the bulge loop and installing hole 3-3 of screw thread nesting 5, in spiral shell
Thrust bearing 4 is set between the bulge loop and end cap 6 of stricture of vagina nesting 5.Thrust bearing 4 can reduce handss during lock pin 2 is extended and retracted
Action torque on wheel 7.
Position sensor 9 is arranged on cabin underframe 3 and closes on notch 3-2 directly or by support 10, monitors spacer pin 8
Position.Position sensor 9 is travel switch.Position sensor 9 can prevent unit from opening extremely machine causes security incident.Position passes
Sensor 9 is obtained spacer pin 8 and 9 spacing L-value of position sensor, when L is less than setting value, to master signal, represents impeller lock
Pin is in released state.Otherwise represent that impeller is in the lock state to forbid opening machine.
Claims (8)
1. a kind of wind power generation impeller detent configuration, is characterized in that：Including lock pin (2), screw thread nesting (5), handwheel (7), thrust
Bearing (4) and spacer pin (8),
It is the conical head (2-1) coordinated with the locking taper hole (1-1) of locking disk (1) in the head end of lock pin (2),
Lock pin (2) has bulge loop in the installing hole (3-3) of cabin underframe (3), on screw thread nesting (5), in installing hole (3-
3) end cap (6) is installed on the outside of end, there is on the inside of the end of installing hole (3-3) limited step, screw thread nesting (5) is rotatable
Ground is arranged on the end of installing hole (3-3), and limited step is located at the both sides of the bulge loop of screw thread nested (5) respectively with end cap (6), right
Screw thread nesting (5) carries out installation positioning, the limited step on the inside of the screw thread nesting bulge loop of (5) and the end of installing hole (3-3) it
Between thrust bearing (4) is set, screw thread nesting (5) has female thread, the end section of lock pin (2) with centre bore, in centre bore
It is upper that with external screw thread (2-5), the end section of lock pin (2) is arranged in centre bore, and is coordinated with centre bore screw thread, female thread,
External screw thread (2-5) meets condition of self-locking, handwheel (7) on the part for passing end cap (6) of screw thread nesting (5), by turning
Start to take turns the locking taper hole (1-1) that (7) driving lock pin (2) stretch out insertion locking disk (1), lock impeller,
Spacer pin (8) on lock pin (2), on cabin underframe (3) with installing hole (3-3) vertically through notch (3-
2), the embedded notch (3-2) of spacer pin (8).
2. wind power generation impeller lock pin (2) structure according to claim 1, is characterized in that：In the fully-inserted lock of lock pin (2)
During locking taper hole (1-1) of price fixing (1), the end face of lock pin (2) end is concordant with the outer face of screw thread nesting (5).
3. wind power generation impeller detent configuration according to claim 1, is characterized in that：Described lock pin (2) and lock hole
Between have axle sleeve (2-3).
4. wind power generation impeller detent configuration according to claim 3, is characterized in that：Described axle sleeve (2-3) is enclosed within lock
It is fixed on pin (2) and by the shaft shoulder on lock pin (2) and the collar (2-2) being stuck on lock pin (2).
5. wind power generation impeller detent configuration according to claim 1, is characterized in that：The head of described installing hole (3-3)
End is installed by underframe nesting (3-1), centre bore of the lock pin (2) through underframe nesting (3-1).
6. wind power generation impeller detent configuration according to claim 1, is characterized in that：Screw thread nesting (5) bulge loop with
Thrust bearing (4) is may also set up between end cap (6).
7. wind power generation impeller detent configuration according to claim 1, is characterized in that：Also include position sensor (9), position
Put sensor (9) and on cabin underframe (3) and close on notch (3-2) directly or by support (10), monitoring spacer pin (8)
Position.
8. wind power generation impeller detent configuration according to claim 7, is characterized in that：Described position sensor (9) is
Travel switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621015511.1U CN206175141U (en) | 2016-08-30 | 2016-08-30 | Wind power generation impeller lockpin structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621015511.1U CN206175141U (en) | 2016-08-30 | 2016-08-30 | Wind power generation impeller lockpin structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206175141U true CN206175141U (en) | 2017-05-17 |
Family
ID=58675245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621015511.1U Active CN206175141U (en) | 2016-08-30 | 2016-08-30 | Wind power generation impeller lockpin structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206175141U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441737A (en) * | 2018-09-26 | 2019-03-08 | 山东中车风电有限公司 | A kind of blower wind wheel manual-lock and method |
-
2016
- 2016-08-30 CN CN201621015511.1U patent/CN206175141U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441737A (en) * | 2018-09-26 | 2019-03-08 | 山东中车风电有限公司 | A kind of blower wind wheel manual-lock and method |
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| GR01 | Patent grant |