CN201843880U - Self-lubricating high-strength bolt connection pair for wind power generation tower - Google Patents
Self-lubricating high-strength bolt connection pair for wind power generation tower Download PDFInfo
- Publication number
- CN201843880U CN201843880U CN2011200375930U CN201120037593U CN201843880U CN 201843880 U CN201843880 U CN 201843880U CN 2011200375930 U CN2011200375930 U CN 2011200375930U CN 201120037593 U CN201120037593 U CN 201120037593U CN 201843880 U CN201843880 U CN 201843880U
- Authority
- CN
- China
- Prior art keywords
- bolt
- pylon
- wind power
- self
- power generation
- 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.)
- Expired - Lifetime
Links
Classifications
-
- 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
- Y02E10/728—Onshore wind turbines
Landscapes
- Wind Motors (AREA)
Abstract
The utility model relates to a self-lubricating high-strength bolt connection pair for a wind power generation tower, comprising a bolt which is arranged between an upper tower and a lower tower; an upper washer is arranged between the bolt and a nut, and a lower washer is arranged between the bolt head of the bolt and the lower tower; a layer of dry solid film lubricant which is produced by GLEITMO and is cured is respectively covered on threads at the joint between the bolt and the nut; a layer of dry solid film lubricant which is produced by GLEITMO and is cured is respectively covered on the pressure bearing surfaces of the upper washer and the lower washer; and the self-lubricating high-strength bolt connection pair for the wind power generation tower has the beneficial effects that the torque coefficient can be stabilized between 0.09 and 0.14, and the standard deviation can be stably controlled to be below 0.008.
Description
Technical field
The utility model relates to a kind of bolt auxiliary connection, relates in particular to the surface structure of this bolt auxiliary connection.
Background technique
Wind-power generating unit tower selflubricating high-strength bolt auxiliary connection (hexagon head bolt, hexagon nut and washer sets are synthesized auxiliary connection) decide turn round construction technology and come from China GB/T1228-1231, DIN6914-6916, EN14399.4, EN14399.6, Dast standard etc., what it had stipulated big hexagon head bolt on the one hand decides to turn round principle and corresponding job specfication (GB/T1228, GB/T50205), utilize this product form size and corresponding intrinsic mechanical properties relation on the other hand, processing is designed to guarantee that bolton axle power is the vector value of a predetermined range when construction.In considerable time, above-mentioned technology is at home and abroad used in the pylon of wind power plant widely in the past, but above-mentioned technical standard has its narrow limitation, and the maximum screw thread format diameter of high-strength bolt auxiliary connection is M30 in the standard.
Along with demand both domestic and external, all adopted the above high-strength bolt of screw thread format diameter M36 at new energy wind-powered electricity generation generating pylon at present, the domestic large-size high-tensile degree bolt auxiliary connection that uses the screw thread format diameter to reach M64 that designed.This high-strength bolt auxiliary connection all adopts hydraulic spanner when installing on the wind power equipment at home.Adopt the MoS2 of the various trades mark to be lubricated before installing, the torque coefficient scope of auxiliary connection is between 0.07 ~ 0.13.Because the kind of MoS2 oiling agent is numerous, and is subject to influences such as climatic change, viscosity variation, particularly on coating method, is worthy of careful study very much, thereby workmen's operation is had relatively high expectations.The different modes of smearing can make torque coefficient ANOMALOUS VARIATIONS occur.When torque coefficient numerical value was higher, tightening torque will inevitably increase, and caused the construction tool rapid wear, and operational danger increases.When torque coefficient numerical value is on the low side, then the tightening torque coefficient that converts bolt pretightening to can increase, the multiplier effect of bolt pretightening can appear can causing under the identical tightening torque simultaneously, so torque coefficient value less than normal can increase the susceptibility of bolton pretightening force and tightening torque, the error of tightening torque can be amplified, bolt auxiliary connection overload can be caused like this.Otherwise the torque coefficient value is bigger than normal, and fastening force reduces under identical Tightening moment condition, and what can cause the bolt auxiliary connection owes stubborn, reduces the Security of wind power equipment operation.
In sum, select to be fit to, stable torque coefficient and solve the now uneven mode of smearing to the site operation of bolt auxiliary connection with guarantee that the bolt quality plays key.
Summary of the invention
The utility model technical issues that need to address have provided a kind of wind-power electricity generation pylon with selflubricating high-strength bolt auxiliary connection, are intended to address the above problem.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
The utility model comprises: be placed in the bolt between pylon and the following pylon; Between described screw bolt and nut, settle a upper gasket, arrangement one lower gasket between the bolt head of described bolt and play pylon; But on the screw thread of described bolts and nuts contacting point, cover the dry solid lubricant thin film that the Z-TEK company that rubs that one deck has cured processing produces respectively; But on the pressure-bearing surface of upper gasket and lower gasket, cover the dry solid lubricant thin film that the Z-TEK company that rubs that one deck has cured processing produces respectively.
Compared with prior art, the beneficial effects of the utility model are: torque coefficient can be stabilized between 0.09 ~ 0.14; Standard deviation can be stablized and is controlled at below 0.008; Can in temperature-40 ℃ ~ 60 ℃ of environment, use, not be subjected to the influence of ambient temperature, humidity; Be not subjected to the influence of site operation personnel operation.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
As seen from Figure 1: the utility model comprises: be placed in the bolt 3 between pylon 1 and the following pylon 2; Between described bolt 3 and nut 4, settle a upper gasket 5, arrangement one lower gasket 7 between the bolt head 6 of described bolt and play pylon 2; But on the screw thread of described bolt 3 and nut 4 contacting points, cover the dry solid lubricant thin film that the Z-TEK company that rubs that one deck has cured processing produces respectively; But on the pressure-bearing surface of upper gasket 5 and lower gasket 7, cover the dry solid lubricant thin film that the Z-TEK company that rubs that one deck has cured processing produces respectively.
The utility model carries out the selflubricating dry film process by corresponding friction pair, forms a very stable torque coefficient and standard deviation value.So just can guarantee to finish according to torque coefficient in the work progress and turn round construction surely, thereby guarantee the conformity of construction quality and can get rid of the lubricated discreteness of the on-the-spot MoS2 of auxiliary connection.It is simple and direct, easy to operate to construct when adopting the utility model to install, and cost reduces, and is safe and reliable.
When site operation adopts the fastening hexagon nut of hydraulic spanner, no longer apply the oiling agent of any kind of.Behind the pylon of location, be fit into selflubricating high-strength bolt and selflubricating packing ring again, get final product tightening to the prescribed torque value with hydraulic spanner again after selflubricating nut and the assembling of selflubricating packing ring.
Technological method of the present utility model is:
After finishing the threaded fastener production procedure, the corresponding supporting surface and the screw thread that use the torque coefficient stabilizer to be coated on threaded fastener and packing ring screw on the surface of contact.
Selflubricating high-strength bolt: get the raw materials ready → moulding → heat treatment → rolled thread → surface treatment → coating torque coefficient stabilizer.
Selflubricating hexagon nut: get the raw materials ready → moulding → heat treatment → tapping → surface treatment → coating torque coefficient stabilizer.
Selflubricating packing ring: get the raw materials ready → moulding → heat treatment → surface treatment → coating torque coefficient stabilizer.
But above-mentioned torque coefficient stabilizer is to buy from the Z-TEK company that rubs, and name is called the dry solid lubricant thin film.
Coating processes: the torque coefficient stabilizer by corresponding proportion preparation and stir, will be done the threaded fastener of surface treatment (galvanizing, Dacroment etc.) subsequently and put into the body lotion dipping, and do centrifugal treating, handle through baking-curing.
Technology point: double thread auxiliary connection torque coefficient stabilizer is coated on nuts and washers; The torque coefficient stabilizer is coated on bolt thread and screws the place during to the screw-in body.
Claims (1)
1. a wind-power electricity generation pylon is placed in the bolt between pylon and the following pylon with selflubricating high-strength bolt auxiliary connection; Between described screw bolt and nut, settle a upper gasket, arrangement one lower gasket between the bolt head of described bolt and play pylon; It is characterized in that: but the dry solid lubricant thin film that the Z-TEK company that rubs that one deck has cured processing produces on the screw thread of described bolts and nuts contacting point, covered respectively; But on the pressure-bearing surface of upper gasket and lower gasket, cover the dry solid lubricant thin film that the Z-TEK company that rubs that one deck has cured processing produces respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200375930U CN201843880U (en) | 2011-02-12 | 2011-02-12 | Self-lubricating high-strength bolt connection pair for wind power generation tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200375930U CN201843880U (en) | 2011-02-12 | 2011-02-12 | Self-lubricating high-strength bolt connection pair for wind power generation tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201843880U true CN201843880U (en) | 2011-05-25 |
Family
ID=44038772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200375930U Expired - Lifetime CN201843880U (en) | 2011-02-12 | 2011-02-12 | Self-lubricating high-strength bolt connection pair for wind power generation tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201843880U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102555245A (en) * | 2012-02-13 | 2012-07-11 | 浙江鼎耐塑胶管阀有限公司 | Method for manufacturing hexagonal all-plastic corrosion-resistant bolt |
| CN102840207A (en) * | 2011-06-20 | 2012-12-26 | 上海申光高强度螺栓有限公司 | Method for pre-coating self-lubricating high-strength bolt for wind power generation host |
| CN102896078A (en) * | 2012-09-28 | 2013-01-30 | 中国航空工业集团公司北京航空材料研究院 | Post-treatment method of surface of high-strength bolt connection pair |
| CN103423274A (en) * | 2013-08-27 | 2013-12-04 | 南车株洲电力机车研究所有限公司 | Method of guaranteeing fan high-strength bolt pretightening force to be accurately exerted |
-
2011
- 2011-02-12 CN CN2011200375930U patent/CN201843880U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840207A (en) * | 2011-06-20 | 2012-12-26 | 上海申光高强度螺栓有限公司 | Method for pre-coating self-lubricating high-strength bolt for wind power generation host |
| CN102555245A (en) * | 2012-02-13 | 2012-07-11 | 浙江鼎耐塑胶管阀有限公司 | Method for manufacturing hexagonal all-plastic corrosion-resistant bolt |
| CN102896078A (en) * | 2012-09-28 | 2013-01-30 | 中国航空工业集团公司北京航空材料研究院 | Post-treatment method of surface of high-strength bolt connection pair |
| CN103423274A (en) * | 2013-08-27 | 2013-12-04 | 南车株洲电力机车研究所有限公司 | Method of guaranteeing fan high-strength bolt pretightening force to be accurately exerted |
| CN103423274B (en) * | 2013-08-27 | 2015-07-08 | 南车株洲电力机车研究所有限公司 | Method of guaranteeing fan high-strength bolt pretightening force to be accurately exerted |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103423274B (en) | Method of guaranteeing fan high-strength bolt pretightening force to be accurately exerted | |
| CN201843880U (en) | Self-lubricating high-strength bolt connection pair for wind power generation tower | |
| CN204851950U (en) | System for reduce aerogenerator bolt periodical maintenance number | |
| CN204165843U (en) | The charger of the fastening analytic system of Multifunctional bolt | |
| CN104963928A (en) | System for reducing wind driven generator bolt scheduled maintenance frequency | |
| CN203426939U (en) | Improvement structure of flexible spanner | |
| CN110894846A (en) | Fastening method of bolt | |
| CN102212767B (en) | Surface treatment process of bolt connection pair | |
| CN109967982A (en) | A kind of preparation method of wind power generating set circular thread anchor component | |
| CN201836190U (en) | High-strength hexagon-flange-faced self-lubricating torsional bolt connection set | |
| CN205136296U (en) | It is vice to turn round type of cutting bolted connection | |
| CN202194927U (en) | Antirust cap of bolt for fixing tower tube | |
| CN203545463U (en) | Anti-rotating lifting hook | |
| CN103508313A (en) | Anti-rotation lifting hook | |
| CN202132185U (en) | Self-lubricating holding-down bolt connecting pair used for wind generating set | |
| CN107314895A (en) | The rotation detection device and detection method of a kind of wind-powered electricity generation structure stud | |
| CN102840207A (en) | Method for pre-coating self-lubricating high-strength bolt for wind power generation host | |
| CN202484029U (en) | Self-lubricating torque coefficient controllable high-strength bolt connecting pair used for wind power tower | |
| CN202056179U (en) | High-strength bolt connecting pair | |
| CN203071491U (en) | Disc type ground wire | |
| CN103696448A (en) | Anti-corrosion structure and anti-corrosion method of fan foundation prestressed component and fan foundation | |
| CN202056178U (en) | Bolt connecting pair | |
| CN203603175U (en) | Anti-corrosion structure of wind power generator foundation prestress component and wind power generator foundation | |
| CN203887480U (en) | Mounting device for runner blade of axial-flow kaplan turbine | |
| CN202348897U (en) | Self-lubricating high-strength double-end stud connection for wind power generation blades |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110525 |