CN205401003U - Modular wind -powered electricity generation wind wheel lock dish - Google Patents
Modular wind -powered electricity generation wind wheel lock dish Download PDFInfo
- Publication number
- CN205401003U CN205401003U CN201620146151.2U CN201620146151U CN205401003U CN 205401003 U CN205401003 U CN 205401003U CN 201620146151 U CN201620146151 U CN 201620146151U CN 205401003 U CN205401003 U CN 205401003U
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- China
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- face
- lining
- wind wheel
- lock collar
- wind
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- Withdrawn - After Issue
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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
Abstract
The utility model discloses a modular wind -powered electricity generation wind wheel lock dish, including lock dish main part, bush, screw and oil cup. When the daily operation of aerogenerator, regularly to pouring into lubricating grease in the oil cup into to the corrosion takes place for the internal surface of avoiding the bush. The utility model discloses a processing of wind wheel lock dish bush has lubricated oil filler point and leads the oilhole, can to wind wheel locking mechanical system's fitting pin and the contact surface between the interior taper hole of bush, effectively reduce the frictional resistance that the fitting pin inserted and withdrawed from with lubricating medium transport. The utility model discloses a wind wheel lock dish is provided with the unblock bolt hole, when wind wheel locking time longer, when the too big fitting pin that causes wind wheel locking mechanical system of load is difficult to withdraw from, use the unblock bolt to break away from bush and fitting pin, reach the purpose of relieving the wind wheel locking. The utility model discloses a composite structure pattern can prevent to have improved wind generating set's security and reliability because the wind wheel lock coils the dead phenomenon of the wind wheel locking mechanical system card of shutting down hole surfaces tarnish and causing.
Description
Technical field
This utility model relates to wind power plant brakes field, particularly to wind turbines rotor locking mechanism.
Background technology
Braking dish when the Main Function of wind wheel lock collar is to shut down as Wind turbines; only use when wind power generating set is safeguarded; when wind power generating set is overhauled; generally first pass through brakes and make wind wheel and main shaft stall; then the locking pin of wind wheel locking mechanism puts in the shutdown hole of wind wheel lock collar; wind wheel is locked, it is ensured that the safety of personnel and equipment.Existing wind wheel lock collar is generally the disc structure of integral type, and material is generally the low-alloy high-tensile structural steel of forging, disk is provided with circumferentially distributed conical wind wheel lock and shuts down hole.Owing to only just using wind wheel locking stopping function when maintenance shut-downs; therefore shut down internal surface of hole and can produce corrosion because of idle for a long time; causing that frictional force increases, will safeguard when Wind turbines needs to implement wind wheel lock timing, and locking pin cannot normally enter shutdown hole；Maintenance needs after completing to release wind wheel lock timing, it is easy to causes that locking pin is stuck, cannot normally exit, affects wind power generating set normal operation.
Existing megawatt-level wind unit wind wheel locking mechanism is generally hydraulic-driven pattern, for above-mentioned situation, conventional way is operation hydraulic system provides higher hydraulic pressure to wind wheel locking mechanism oil cylinder, locking pin is made to overcome the frictional force owing to corrosion produces, realize wind wheel locking and unlock, the rated operating pressure of hydraulic system is generally 16MPa, and learn according to Theoretical Calculation and practical experience, when corrosion is serious, during practical operation, to reach 35MPa even higher for hydraulic system pressure, hydraulic system element and cylinder seal can be had undesirable effect by too high hydraulic pressure, there is potential safety hazard, and cause the waste of the energy；If higher hydraulic system pressure does not still reach requirement, also just can complete by means of jack, waste time and energy, bring very big difficulty to execute-in-place, even can damage wind wheel locking mechanism and wind wheel lock collar, add maintenance cost.
Chinese patent CN201020642294.5 discloses a kind of Wind wheel locking device for wind generating, the device provides a kind of Wind wheel locking device for wind generating, including wind wheel lock pin and wind wheel lock collar, wind wheel lock collar is wherein provided with the hole clipping slid in or out when wind wheel lock pin enters lock or moves back lock.But the program does not provide the concrete pattern of hole clipping in wind wheel lock collar.
Chinese patent 201320068832.8 discloses a kind of wind-driven generator group wind-wheel lock collar, and this lock collar provides a kind of wind-driven generator group wind-wheel lock collar, takes casting, with low cost and can meet density of load requirement.But it is still directly processing that the wind wheel lock in this lock collar shuts down hole, once shut down hole inwall corrosion, the locking pin of the wind wheel locking mechanism caused is passed in and out the even stuck problem of difficulty.
Chinese patent 201320485069.9 discloses the wind wheel locking device of a kind of wind-driven generator; the device provides the wind wheel locking device of a kind of wind-driven generator; including stop pin, locking disk and cabin underframe; locking disk wherein has the pin-and-hole for inserting stop pin; this pin-and-hole is directly processed on locking disk; once shut down hole inwall corrosion, the locking pin of the wind wheel locking mechanism caused is passed in and out the even stuck problem of difficulty.
Finding by retrieving, above-mentioned patent is still not able to be effectively prevented from the stuck phenomenon of wind wheel locking mechanism in structure and principle.
Summary of the invention
For solving the problems referred to above that prior art exists, this utility model to design a kind of combined wind-power wind wheel lock collar, locking pin to solve the wind wheel locking mechanism that existing wind wheel lock collar causes because of lock hole corrosion passes in and out the even stuck problem of difficulty, wind wheel locking mechanism is enable neatly wind wheel to be locked and to unlock, it is ensured that the safe operation of wind power generating set.
To achieve these goals, the technical solution of the utility model is as follows: a kind of combined wind-power wind wheel lock collar, including lock collar main body, lining, screw and lubricating cup；
Described lock collar main body is annular steel integral piece, and endoporus and cylindrical are cylinder, has been uniformly distributed circumferentially some cylindrical holes, is used for connecting wind driven generator principal shaft near endoporus；One end face A of lock collar main body has been uniformly distributed circumferentially some cylindrical bore, counterbore end face is circumferentially distributed some screwed holes, the processing of counterbore center has round taper hole A, its semicircle cone angle is β, one end that wherein round taper hole A diameter is less is near another end face B of lock collar main body, and the transition portion between counterbore and round taper hole A is provided with fillet A.
Described lining is the conical steel integral piece with the open and clear mouth of circular flange structure, end face of flange is circumferentially distributed some stepped cylindrical counterbores, cylindrical bore is corresponding with the screwed hole of lock collar main body, the end face of flange of lining is circumferentially distributed some release screw bolt holes, end face of flange is circumferentially also distributed some oil filler points, the flange endoporus of lining is round taper hole B, its semicircle cone angle is α, identical with the conical end semicircle angle of taper of the locking pin of wind turbines rotor locking mechanism, the close end face of flange having oil filler point in one end that round taper hole B diameter is less, lining flange rear end face is step-like structure, it is provided with cone, the semicircle cone angle of cone is β, round taper hole B inner surface and conical exterior surface are respectively arranged with some oil guiding holes, oil guiding hole communicates with oil filler point；Round taper hole B inner surface and conical exterior surface rear end form circular end face C, and the transition portion between conical exterior surface and circular end face C is provided with fillet B, and the transition portion between round taper hole B inner surface and circular end face C is provided with fillet C；Lining circumferentially direction has gap, and gap width is e.
The quantity of lining is identical with the quantity of the counterbore in lock collar main body, lining is installed on the counterbore in lock collar main body and in round taper hole A by screw, the conical exterior surface of lining matches with the round taper hole A inner surface of lock collar main body, the end face distance of the counterbore on liner aft end face and lock collar main body is e, the circular end face C of lining is positioned at the inside of round taper hole A, and the distance between circular end face C and the end face B of lock collar main body of lining is e.Lubricating cup is installed in the oil filler point in lining.
Semicircle cone angle described in the utility model is α is 11.3 °；Semicircle cone angle is that β meets 0 ° of < β < α of relational expression；Width e 1 is 1.5～3mm, distance e2 is 2～3mm, and distance is 3～5mm for e3.
Operation principle of the present utility model is as follows:
When wind-driven generator day-to-day operation, in lubricating cup, regularly inject lubricant grease, to avoid the round taper hole B inner surface generation corrosion of lining.So when wind-driven generator needs to safeguard, it is possible to ensure that the locking pin tapered end part of wind wheel locking mechanism passes in and out the round taper hole B of lining smoothly.
When wind-driven generator maintenance time is long, when causing more greatly locking pin to coordinate tension with lining due to load, the unlocking function of wind wheel locking mechanism is used to make locking pin have the trend of unblock on the one hand, unclamp the screw installed on the lining coordinated with locking pin on the other hand, the release screw bolt identical with release screw bolt hole number is arranged in release screw bolt hole simultaneously, and simultaneously mounting gasket, in certain sequence release screw bolt is screwed in release screw bolt hole, make release screw bolt screw thread end face and counterbore end contact, slowly tighten release screw bolt in certain sequence, distance e and distance e is made to increase, the round taper hole B of the tapered end of locking pin with lining can be departed from, reach to release the purpose of wind wheel locking.
Compared with prior art, this utility model has the advantages that
1, wind wheel lock collar lining of the present utility model processing has lubrication oil filler point and oil guiding hole, it is possible to lubricant medium is transported to the contact surface between the locking pin of wind wheel locking mechanism and lining internal taper hole, effectively reduces the frictional resistance that locking pin inserts and exits；
2, wind wheel lock collar of the present utility model is provided with release screw bolt hole, when wind wheel lock fix time longer, the excessive locking pin causing wind wheel locking mechanism of load be difficult to exit time, use release screw bolt to be departed from locking pin by lining, reach to release the purpose of wind wheel locking.
3, wind wheel lock collar of the present utility model adopts fabricated structure pattern, it is possible to prevents the wind wheel locking mechanism blockage phenomenon caused due to the shutdown hole surface corrosion of wind wheel lock collar, improves the safety and reliability of wind power generating set.
Accompanying drawing explanation
This utility model has 11, accompanying drawing, wherein:
Fig. 1 is combination type wind wheel lock collar front appearance figure of the present utility model.
Fig. 2 is combination type wind wheel lock collar rear appearance figure of the present utility model.
Fig. 3 is combination type wind wheel lock collar front view of the present utility model.
Fig. 4 is the A place partial enlarged drawing of combination type wind wheel lock collar structure of the present utility model.
Fig. 5 is the D-D profile of combination type wind wheel lock collar structure of the present utility model.
Fig. 6 is the E-E profile of combination type wind wheel lock collar structure of the present utility model.
Fig. 7 is the B place partial enlarged drawing of combination type wind wheel lock collar structure of the present utility model.
Fig. 8 is wind wheel lock disc main body structure chart of the present utility model.
Fig. 9 is the C place partial enlarged drawing of wind wheel lock disc main body structure of the present utility model.
Figure 10 is lining front portion structure figure of the present utility model.
Figure 11 is lining rear structure figure of the present utility model.
In figure: 1. lock collar main body；2. lining；3. screw；4. lubricating cup；5. locking pin；6. release screw bolt；7. packing ring；101. connecting hole；102. counterbore；103. round taper hole A；104. fillet A；105. screwed hole；106. endoporus；107. cylindrical；108. end face A；109. end face B；201. cylindrical bore；202. release screw bolt hole；203. oil filler point；204. round taper hole B；205. gap；206. cone；207. fillet B；208. fillet C；209. oil guiding hole；210. end face C.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is further described through.As shown in figs. 1-11, a kind of combined wind-power wind wheel lock collar, including lock collar main body 1, lining 2, screw 3 and lubricating cup 4；
Described lock collar main body 1 is that annular steel integral piece, endoporus 106 and cylindrical 107 are cylinder, has been uniformly distributed circumferentially some cylindrical holes 101, is used for connecting wind driven generator principal shaft near endoporus 106；One end face A108 of lock collar main body 1 has been uniformly distributed circumferentially some cylindrical bore 102, counterbore 102 end face is circumferentially distributed some screwed holes 105, the processing of counterbore 102 center has round taper hole A103, its semicircle cone angle is β, one end that wherein round taper hole A103 diameter is less is near another end face B109 of lock collar main body 1, and the transition portion between counterbore 102 and round taper hole A103 is provided with fillet A104.
nullDescribed lining 2 is the conical steel integral piece with the open and clear mouth of circular flange structure，End face of flange is circumferentially distributed some stepped cylindrical counterbores 201，Cylindrical bore 201 is corresponding with the screwed hole 105 of lock collar main body 1，The end face of flange of lining 2 is circumferentially distributed some release screw bolt holes 202，End face of flange is circumferentially also distributed some oil filler points 203，The flange endoporus of lining 2 is round taper hole B204，Its semicircle cone angle is α，Identical with the conical end semicircle angle of taper of the locking pin 5 of wind turbines rotor locking mechanism，The close end face of flange having oil filler point 203 in one end that round taper hole B204 diameter is less，Lining 2 flange rear end face is step-like structure，It is provided with cone 206，The semicircle cone angle of cone 206 is β，Round taper hole B204 inner surface and cone 206 outer surface are respectively arranged with some oil guiding holes 209，Oil guiding hole 209 communicates with oil filler point 203；Round taper hole B204 inner surface and cone 206 outer surface rear end form circular end face C210, transition portion between cone 206 outer surface and circular end face C210 is provided with fillet B207, and the transition portion between round taper hole B204 inner surface and circular end face C210 is provided with fillet C208；Lining 2 circumferentially direction has gap 205, and gap 205 width is e1.
The quantity of lining 2 is identical with the quantity of the counterbore 102 in lock collar main body 1, lining 2 is installed on the counterbore 102 in lock collar main body 1 and in round taper hole A103 by screw 3, cone 206 outer surface of lining 2 matches with the round taper hole A103 inner surface of lock collar main body 1, the end face distance of the counterbore 102 on lining 2 rear end face and lock collar main body 1 is e2, the circular end face C210 of lining 2 is positioned at the inside of round taper hole A103, and the distance between circular end face C210 and the end face B109 of lock collar main body 1 of lining 2 is e3.Lubricating cup 4 is installed in the oil filler point 203 in lining 2.
Semicircle cone angle described in the utility model is α is 11.3 °；Semicircle cone angle is that β meets 0 ° of < β < α of relational expression；Width e 1 is 1.5～3mm, distance e2 is 2～3mm, and distance is 3～5mm for e3.
Operation principle of the present utility model is as follows:
When wind-driven generator day-to-day operation, in lubricating cup 4, regularly inject lubricant grease, to avoid the round taper hole B204 inner surface generation corrosion of lining 2.So when wind-driven generator needs to safeguard, it is possible to ensure that the locking pin 5 tapered end part of wind wheel locking mechanism passes in and out the round taper hole B204 of lining 2 smoothly.
When wind-driven generator maintenance time is long, when causing more greatly locking pin 5 to coordinate tension with lining 2 due to load, the unlocking function of wind wheel locking mechanism is used to make locking pin 5 have the trend of unblock on the one hand, unclamp the screw 3 installed on the lining 2 coordinated with locking pin 5 on the other hand, the release screw bolt 6 identical with release screw bolt hole 202 quantity is arranged in release screw bolt hole 202 simultaneously, and simultaneously mounting gasket 7, in certain sequence release screw bolt 6 is screwed in release screw bolt hole 202, make release screw bolt 6 screw thread end face and counterbore 102 end contact, slowly tighten release screw bolt 6 in certain sequence, distance e2 and distance e3 is made to increase, the round taper hole B204 of the tapered end of locking pin 5 with lining 2 can be departed from, reach to release the purpose of wind wheel locking.
Claims (2)
1. a combined wind-power wind wheel lock collar, it is characterised in that: include lock collar main body (1), lining (2), screw (3) and lubricating cup (4)；
Described lock collar main body (1) is annular steel integral piece, endoporus (106) and cylindrical (107) are cylinder, near endoporus (106), it is uniformly distributed circumferentially some cylindrical holes (101), is used for connecting wind driven generator principal shaft；One end face A (108) of lock collar main body (1) has been uniformly distributed circumferentially some cylindrical bore (102), counterbore (102) end face is circumferentially distributed some screwed holes (105), the processing of counterbore (102) center has round taper hole A (103), its semicircle cone angle is β, one end that wherein round taper hole A (103) diameter is less is near another end face B (109) of lock collar main body (1), and the transition portion between counterbore (102) and round taper hole A (103) is provided with fillet A (104)；
nullDescribed lining (2) is the conical steel integral piece with the open and clear mouth of circular flange structure，End face of flange is circumferentially distributed some stepped cylindrical counterbores (201)，Cylindrical bore (201) is corresponding with the screwed hole of lock collar main body (1) (105)，The end face of flange of lining (2) is circumferentially distributed some release screw bolt holes (202)，End face of flange is circumferentially also distributed some oil filler points (203)，The flange endoporus of lining (2) is round taper hole B (204)，Its semicircle cone angle is α，Identical with the conical end semicircle angle of taper of the locking pin of wind turbines rotor locking mechanism (5)，The close end face of flange having oil filler point (203) in one end that round taper hole B (204) diameter is less，Lining (2) flange rear end face is step-like structure，It is provided with cone (206)，The semicircle cone angle of cone (206) is β，Round taper hole B (204) inner surface and cone (206) outer surface are respectively arranged with some oil guiding holes (209)，Oil guiding hole (209) communicates with oil filler point (203)；Round taper hole B (204) inner surface and cone (206) outer surface rear end form circular end face C (210), the transition portion that transition portion between cone (206) outer surface and circular end face C (210) is provided with between fillet B (207), round taper hole B (204) inner surface and circular end face C (210) is provided with fillet C (208)；Lining (2) circumferentially direction has gap (205), and gap (205) width is e1；
The quantity of lining (2) is identical with the quantity of the counterbore (102) in lock collar main body (1), lining (2) is installed on the counterbore (102) in lock collar main body (1) and in round taper hole A (103) by screw (3), cone (206) outer surface of lining (2) matches with round taper hole A (103) inner surface of lock collar main body (1), the end face distance of the counterbore (102) on lining (2) rear end face and lock collar main body (1) is e2, the circular end face C (210) of lining (2) is positioned at the inside of round taper hole A (103), and the distance between circular end face C (210) and the end face B (109) of lock collar main body (1) of lining (2) is e3；Lubricating cup (4) is installed in the oil filler point (203) in lining (2).
2. a kind of combined wind-power wind wheel lock collar according to claim 1, it is characterised in that: described semicircle cone angle is α is 11.3 °；Semicircle cone angle is that β meets 0 ° of < β < α of relational expression；Width e 1 is 1.5～3mm, distance e2 is 2～3mm, and distance is 3～5mm for e3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620146151.2U CN205401003U (en) | 2016-02-26 | 2016-02-26 | Modular wind -powered electricity generation wind wheel lock dish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620146151.2U CN205401003U (en) | 2016-02-26 | 2016-02-26 | Modular wind -powered electricity generation wind wheel lock dish |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205401003U true CN205401003U (en) | 2016-07-27 |
Family
ID=56424352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620146151.2U Withdrawn - After Issue CN205401003U (en) | 2016-02-26 | 2016-02-26 | Modular wind -powered electricity generation wind wheel lock dish |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205401003U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626395A (en) * | 2016-02-26 | 2016-06-01 | 大连华锐重工集团股份有限公司 | Combined wind power wind wheel lock disc |
| CN110273814A (en) * | 2019-05-23 | 2019-09-24 | 潘珍珠 | A kind of wind power plant anti-jamming with high-altitude |
-
2016
- 2016-02-26 CN CN201620146151.2U patent/CN205401003U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626395A (en) * | 2016-02-26 | 2016-06-01 | 大连华锐重工集团股份有限公司 | Combined wind power wind wheel lock disc |
| CN105626395B (en) * | 2016-02-26 | 2017-12-29 | 大连华锐重工集团股份有限公司 | A kind of combined wind-power wind wheel lock collar |
| CN110273814A (en) * | 2019-05-23 | 2019-09-24 | 潘珍珠 | A kind of wind power plant anti-jamming with high-altitude |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160727 Effective date of abandoning: 20171229 |