CN203189209U - Novel seam-joint structure of wind power generation precast concrete tower components - Google Patents
Novel seam-joint structure of wind power generation precast concrete tower components Download PDFInfo
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- CN203189209U CN203189209U CN2013201603863U CN201320160386U CN203189209U CN 203189209 U CN203189209 U CN 203189209U CN 2013201603863 U CN2013201603863 U CN 2013201603863U CN 201320160386 U CN201320160386 U CN 201320160386U CN 203189209 U CN203189209 U CN 203189209U
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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
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- 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
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Abstract
The utility model relates to a novel seam-joint structure of wind power generation precast concrete tower components. The novel seam-joint structure of the wind power generation precast concrete tower components is characterized by at least comprising a longitudinal seam (1), a transverse seam (2), an anchoring steel plate (3), a high-strength bolt (4), sleeves (5), a fixing bolts (6), fixing nuts (7) and waterproof glue (8), wherein the longitudinal seam (1) and the transverse seam (2) are between the window power generation precast concrete tower components, the anchored steel plate (3) which extends towards the longitudinal seam (1) is arranged on each precast reinforced concrete tower component in the horizontal direction, the anchored steel plate (3) and one end of the high-strength bolt (4) are connected into a whole, the other end of the high-strength bolt (4) is connected with each sleeve (5) through threads, the sleeves on the two sides are fixedly connected with the nuts through the fixing bolts (6) and the fixing nuts (7), a locating key groove (9) and a locating key (10) are arranged on an upper precast reinforced concrete tower component and a lower precast reinforced concrete tower component in the direction of the transverse seam (2), and each locating key groove (9) and each locating key (10) are connected through epoxy resin in a glue mode. The novel seam-joint structure of the wind power generation precast concrete tower component can improve the assembly speed of the precast components, saves time, and is simple in construction method and convenient to construct.
Description
Technical field
The utility model belongs to wind-power electricity generation pylon field, is a kind of novel wind-power electricity generation precast concrete tower member seam construction.
Background technique
The sternness of global energy anxiety and amblent air temperature problem impels various countries' pay attention to day by day to the development and utilization of renewable energy sourcess such as wind energy, solar energy, biological energy source.Wind-power electricity generation research starts to walk early, technology maturation, has become the approach of reusing of renewable energy utilization, and especially in recent years, the wind-powered electricity generation electric motor power obtains quick growth.China's wind energy contains abundant, and wherein land height 10 m places are 2.53 hundred million kilowatts, and 50 m places can double; 7.5 hundred million kilowatts at coastal waters height 10 m places, about 1,500,000,000 kilowatts of 50 m places.By 2010, China's wind-power electricity generation reached 4,473 ten thousand kilowatts, had become most important renewable energy sources behind water power.
The wind speed of hinterland is more much lower than the coastal area usually, for the wind energy turbine set of hanging down the wind speed area in giving provides the greater power generation amount, there are two kinds of main selections in blower fan supplier: they both can select to install the blower fan with bigger wind wheel, also can be there not being transformed unit to be installed on the higher wind tower.The selection of high tower only need increase the investment of appropriateness, just can significantly improve power output.For example, in non-coastal area, the every increase of hub height 1m, yield increments is about 1%.Higher wind tower can also provide other advantages, as reducing the turbulent flow influence, reduce fatigue load, increase machine life, solve transport restrictions, reducing cost of material change etc.
Because the limitation of steel tower material behavior and the certainty that cost has determined the high concrete pylon, the cast-in-place concrete pylon construction time is longer, is difficult to satisfy wind field rapid construction requirement, and the precast concrete pylon arises at the historic moment.Because communications and transportation is to the restriction of pylon structure size, pylon is spliced by a plurality of precast units; Therefore, the seam between the member has become the key position of control pylon safe operation.
Seam is a special tectonic of prefabricated staged construction structure, is the weakest link of precast reinforced concrete structure.The stress performance of precast spliced structure and working condition (anti-seismic performance, integrity and stability) and the intensity of splicing seam crossing and the reliability that is connected depend primarily on the quality that seam connects.
The model utility content
The purpose of this utility model provides a kind of assembly unit progress that can accelerate precast units, saves time, and method of construction is simple, a kind of novel wind-power electricity generation precast concrete tower member seam construction of easy construction.
The purpose of this utility model is to realize like this, a kind of novel wind-power electricity generation precast concrete tower member seam construction is characterized in that: which comprises at least: the longitudinal joint between the wind-power electricity generation prefabricated reinforced concrete tower member and transverse joint and anchor plate, high-strength bolt, sleeve, fixing bolt, set screw nut and marine glue; The anchor plate that each oriented longitudinal joint of prefabricated reinforced concrete tower member substantially horizontal extends, an end of anchor plate and high-strength bolt connects as one; The high-strength bolt the other end is connected with sleeve by screw thread, and the both sides sleeve is fixedlyed connected with nut by fixing bolt; Positioning spline and the positioning key of each oriented transverse joint direction of prefabricated reinforced concrete tower member up and down, positioning spline and positioning key glued joint by epoxy resin.
There is the marine glue of smearing at described longitudinal joint and transverse joint place.
Described prefabricated reinforced concrete tower member is that the top arc length is little, and following arc length is long, and it is little that three prefabricated reinforced concrete tower member are encircled into the top diameter, the cylinder that following diameter is big.
The round mouth end of the prefabricated reinforced concrete tower member lower end of described transverse joint upper end is identical with the round mouth end diameter of the prefabricated reinforced concrete tower member upper end of transverse joint lower end.
Length=the 40cm of described anchor plate, wide=10cm, thickness=4.5mm.
Described high-strength bolt adopts M24.
The described positioning spline long 30cm in bottom, wide 20cm, the long 35cm that slots, wide 25cm, groove depth 4cm; Positioning key top minister 29.5cm, wide 19.5cm, the long 35cm in bottom, wide 25cm, the high 3.8cm of key.Smear the thick epoxy resin of 1～3mm at positioning spline, barrel thickness is 30cm～50cm.
A kind of novel wind-power electricity generation precast concrete tower member seam construction method comprises:
The step of transverse joint seam is:
(1) pre-buried anchor plate in precast units, fixing with the high-strength bolt welding;
(2) before the member butt joint, add sleeve at the high-strength bolt that exposes, and sleeve is screwed into high-strength bolt, be spliced into standard not influence member;
When (3) member docks, outer stubborn simultaneously the sleeve on both sides, utilize fixing bolt to fix;
(4) utilize professional equipment knob sleeve, tractive both sides high-strength bolt is realized tightening up of precast units.
The beneficial effects of the utility model are, are connected with high-strength bolt by pre-buried anchor plate, connect high-strength bolt by sleeve, and the both sides sleeve is connected into integral body, realizes tightening up of precast units by turnbarrel at last.The longitudinal joint face no longer arranges equipment such as keyway or U-shaped reinforcing bar, has reduced the design difficulty of template, has accelerated the assembly unit progress of precast units, has saved the time, and method of construction is simple, easy construction, and the construction time is equipment such as recycling welding not.Simple three positioning keys are set, can guarantee the accurate butt joint of transverse joint, also can adjust the levelness of transverse joint by the cushioning Epoxy Resin Gasket, smear epoxy resin at surface of contact and can satisfy requirement of strength, can save the duration again.The epoxy seam is to smear the very thin epoxy resin of one deck between sections, and thickness is generally l～3mm, and making up and down, two annulus section members are bonded together.Epoxy resin is a kind of Bond, and member both sides' mating face must be made closely connected during connection.
Description of drawings
Below in conjunction with embodiment's accompanying drawing the utility model is described further:
Fig. 1 is longitudinal joint and transverse joint schematic representation;
Fig. 2 is longitudinal joint Connecting format schematic representation;
Fig. 3 is transverse joint positioning key planimetric map;
Fig. 4 is transverse joint positioning key sectional drawing.
Among the figure: 1. longitudinal joint; 2. transverse joint; 3. anchor plate; 4. high-strength bolt; 5. sleeve; 6. fixing bolt; 7. set screw nut; 8. marine glue; 9. positioning spline; 10. positioning key; 11. epoxy resin; 12. barrel.
Embodiment
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, a kind of novel wind-power electricity generation precast concrete tower member seam construction which comprises at least: the longitudinal joint 1 between the wind-power electricity generation prefabricated reinforced concrete tower member and transverse joint 2 and anchor plate 3, high-strength bolt 4, sleeve 5, fixing bolt 6, set screw nut 7 and marine glue 8; The anchor plate 3 that each oriented longitudinal joint 1 of prefabricated reinforced concrete tower member substantially horizontal extends, anchor plate 3 connects as one with an end of high-strength bolt 4; High-strength bolt 4 the other ends are connected with sleeve 5 by screw thread, and both sides sleeve 5 is fixedlyed connected with nut 7 by fixing bolt 6; Positioning spline 9 and the positioning key 10 of each oriented transverse joint 2 direction of prefabricated reinforced concrete tower member up and down, positioning spline 9 and positioning key 10 glued joint by epoxy resin 11.
There is the marine glue of smearing 8 at longitudinal joint 1 and transverse joint 2 places.
Described prefabricated reinforced concrete tower member is that the top arc length is little, and following arc length is long, and it is little that three prefabricated reinforced concrete tower member are encircled into the top diameter, the cylinder that following diameter is big.
The round mouth end of the prefabricated reinforced concrete tower member lower end of described transverse joint 2 upper ends is identical with the round mouth end diameter of the prefabricated reinforced concrete tower member of transverse joint 2 lower ends upper end.
As shown in Figure 2, the linkage structure of present embodiment longitudinal joint comprises anchor plate 3, high-strength bolt 4, sleeve 5, anchor bolt 6, anchoring screw 7 and marine glue 8.Anchor plate 3, long 40cm, wide 10cm, thickness are 4.5mm; High-strength bolt 4 adopts the M24 grade, and an end of anchor plate 3 and high-strength bolt 4 is embedded in the concrete, and both weld together.Sleeve 5 is connected with high-strength bolt 4, in the member docking operation, the sleeve of both sides by fixing bolt 6(M22) and nut 7 link together, at last by turnbarrel 5, come strain component.
As shown in Figure 3 and Figure 4, present embodiment transverse joint position structure comprises positioning spline 9 and positioning spline 10, the long 30cm in positioning spline bottom, wide 20cm, the long 35cm that slots, wide 25cm, groove depth 4cm; Positioning key top minister 29.5cm, wide 19.5cm, the long 35cm in bottom, wide 25cm, the high 3.8cm of key.Smear the thick epoxy resin of 1～3mm 11 at positioning spline, barrel 12 thickness are 30cm～50cm.
A kind of novel wind-power electricity generation precast concrete tower member seam construction method comprises:
The step of transverse joint seam is:
(1) pre-buried anchor plate 3 in precast units, fixing with high-strength bolt 4 welding;
(2) before the member butt joint, add sleeve 5 at the high-strength bolt 4 that exposes, and sleeve is screwed into high-strength bolt 4, be spliced into standard not influence member;
When (3) member docks, outer stubborn simultaneously the sleeve 5 on both sides, utilize fixing bolt 6 fixing;
(4) utilize professional equipment knob sleeve 5, tractive both sides high-strength bolt 4 is realized tightening up of precast units.
At longitudinal joint: designing a kind of tile member that makes can closely connect, and enough pulling force can be provided.Comprise: anchor plate, high-strength bolt, high-strength sleeve, fixing bolt, set screw nut and marine glue; Anchor plate is embedded in the concrete member, stretch into high-strength bolt and the anchor plate welding of concrete member inside, exposed parts high-strength bolt outside is provided with sleeve, after two member longitudinal joint butt joints finish, utilize fixing bolt that the both sides sleeve is fixedly connected into integral body, by the bolt of turnbarrel tractive both sides, reach the purpose of tension precast units at last.
At transverse joint: design a kind of structural type that can accurately locate, utilize epoxy resin to satisfy the structural stability of construction time.Comprise: positioning spline, positioning key, epoxy resin, Epoxy Resin Gasket; Ta Jie contraction joint contact face arranges positioning spline in the bottom, at upper column joint contraction joint contact face positioning key is set, the slightly little and positioning spline degree of depth of positioning key height, keyway inside and whole contraction joint contact are smeared epoxy resin, guarantee compressing of upper and lower part tower joint by deadweight, guaranteed effective connection of upper and lower part tower joint by epoxy resin.
Claims (7)
1. a novel wind-power electricity generation precast concrete tower member seam construction is characterized in that: which comprises at least: the longitudinal joint (1) between the wind-power electricity generation prefabricated reinforced concrete tower member and transverse joint (2) and anchor plate (3), high-strength bolt (4), sleeve (5), fixing bolt (6), set screw nut (7) and marine glue (8); The anchor plate (3) that each oriented longitudinal joint (1) of prefabricated reinforced concrete tower member substantially horizontal extends, anchor plate (3) connects as one with an end of high-strength bolt (4); High-strength bolt (4) the other end is connected with sleeve (5) by screw thread, and both sides sleeve (5) is fixedlyed connected with nut (7) by fixing bolt (6); Positioning spline (9) and the positioning key (10) of each oriented transverse joint (2) direction of prefabricated reinforced concrete tower member up and down, positioning spline (9) and positioning key (10) glued joint by epoxy resin (11).
2. a kind of novel wind-power electricity generation precast concrete tower member seam construction according to claim 1 is characterized in that: the marine glue (8) that described longitudinal joint (1) and transverse joint (2) are located to smear.
3. a kind of novel wind-power electricity generation precast concrete tower member seam construction according to claim 1, it is characterized in that: described prefabricated reinforced concrete tower member is that the top arc length is little, following arc length is long, it is little that three prefabricated reinforced concrete tower member are encircled into the top diameter, the cylinder that following diameter is big.
4. a kind of novel wind-power electricity generation precast concrete tower member seam construction according to claim 1 is characterized in that: the round mouth end of the prefabricated reinforced concrete tower member lower end of described transverse joint (2) upper end is identical with round mouth end diameter on the prefabricated reinforced concrete tower member of transverse joint (2) lower end.
5. a kind of novel wind-power electricity generation precast concrete tower member seam construction according to claim 1 is characterized in that: the length=40cm of described anchor plate (3), and wide=10cm, thickness=4.5mm.
6. a kind of novel wind-power electricity generation precast concrete tower member seam construction according to claim 1 is characterized in that: described high-strength bolt (4) employing M24.
7. a kind of novel wind-power electricity generation precast concrete tower member seam construction according to claim 1 is characterized in that: the long 30cm in described positioning spline (9) bottom, wide 20cm, the long 35cm that slots, wide 25cm, groove depth 4cm; Positioning key top minister 29.5cm, wide 19.5cm, the long 35cm in bottom, wide 25cm, the high 3.8cm of key; Smear the thick epoxy resin of 1～3mm (11) at positioning spline, barrel (12) thickness is 30cm～50cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201603863U CN203189209U (en) | 2013-04-02 | 2013-04-02 | Novel seam-joint structure of wind power generation precast concrete tower components |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013201603863U CN203189209U (en) | 2013-04-02 | 2013-04-02 | Novel seam-joint structure of wind power generation precast concrete tower components |
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| CN203189209U true CN203189209U (en) | 2013-09-11 |
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| CN2013201603863U Expired - Lifetime CN203189209U (en) | 2013-04-02 | 2013-04-02 | Novel seam-joint structure of wind power generation precast concrete tower components |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195668A (en) * | 2013-04-02 | 2013-07-10 | 中国水电顾问集团西北勘测设计研究院 | Novel wind power generation precast concrete tower component seaming structure and method |
| CN112922788A (en) * | 2021-03-09 | 2021-06-08 | 中国电建集团西北勘测设计研究院有限公司 | Fan tower section of thick bamboo precast concrete component and fan tower section of thick bamboo |
-
2013
- 2013-04-02 CN CN2013201603863U patent/CN203189209U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195668A (en) * | 2013-04-02 | 2013-07-10 | 中国水电顾问集团西北勘测设计研究院 | Novel wind power generation precast concrete tower component seaming structure and method |
| CN103195668B (en) * | 2013-04-02 | 2015-02-25 | 中国电建集团西北勘测设计研究院有限公司 | Novel wind power generation precast concrete tower component seaming structure and method |
| CN112922788A (en) * | 2021-03-09 | 2021-06-08 | 中国电建集团西北勘测设计研究院有限公司 | Fan tower section of thick bamboo precast concrete component and fan tower section of thick bamboo |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HYDROCHINA XIBEI ENGINEERING CORPORATION Free format text: FORMER NAME: NORTHWEST HYDROELECTRIC INVESTIGATION + DESIGN INSTITUTE OF CHINA HYDROPOWER ENGINEERING CONSULTING Owner name: CHINA ELECTRIC POWER CONSTRUCTION GROUP NORTHWEST Free format text: FORMER NAME: HYDROCHINA XIBEI ENGINEERING CORPORATION |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 710065 Shaanxi Province, Xi'an City Road eight No. 18 survey and Design Institute of the northwest department of science and technology Patentee after: POWERCHINA NORTHWEST ENGINEERING Co.,Ltd. Address before: 710065 Shaanxi Province, Xi'an City Road eight No. 18 survey and Design Institute of the northwest department of science and technology Patentee before: NORTHWEST HYDRO CONSULTING ENGINEERS, CHECC Address after: 710065 Shaanxi Province, Xi'an City Road eight No. 18 survey and Design Institute of the northwest department of science and technology Patentee after: NORTHWEST HYDRO CONSULTING ENGINEERS, CHECC Address before: 710065 Shaanxi Province, Xi'an City Road eight No. 18 survey and Design Institute of the northwest department of science and technology Patentee before: Northwest Hydro Consulting Engineers, CHECC |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130911 |
|
| CX01 | Expiry of patent term |