CN103967719B - Connecting structure of precast concrete tower shell ring and tower barrel using same - Google Patents
Connecting structure of precast concrete tower shell ring and tower barrel using same Download PDFInfo
- Publication number
- CN103967719B CN103967719B CN201410129721.2A CN201410129721A CN103967719B CN 103967719 B CN103967719 B CN 103967719B CN 201410129721 A CN201410129721 A CN 201410129721A CN 103967719 B CN103967719 B CN 103967719B
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- precast concrete
- attachment structure
- embedded bar
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 36
- 241000736911 Turritella communis Species 0.000 title abstract 2
- 229910000831 Steel Inorganic materials 0.000 claims abstract 10
- 239000010959 steel Substances 0.000 claims abstract 10
- 239000011440 grout Substances 0.000 claims description 53
- 238000007789 sealing Methods 0.000 claims description 33
- 230000003014 reinforcing effect Effects 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 25
- 239000002002 slurry Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- 210000003205 muscle Anatomy 0.000 claims 1
- 239000004567 concrete Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000010410 reperfusion Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 238000002910 structure generation Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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
Abstract
The invention discloses a connecting structure of a precast concrete tower tube section and a tower tube using the same, relates to the technical field of concrete tower tubes, and aims to solve the problem that a connecting structure which is used for connecting precast concrete tower tube sections and is simple to assemble is lacked in the prior art. This connection structure of precast concrete tower shell section includes: the embedded steel bar connecting device comprises a first embedded steel bar, a second embedded steel bar, an upper connecting unit connected with the first embedded steel bar and a lower connecting unit connected with the second embedded steel bar, wherein the upper connecting unit and the lower connecting unit are connected through a connecting steel bar with threads at one end, and the lower connecting unit is in threaded connection with the threaded end of the connecting steel bar; when the connecting structure is connected with the upper tower cylinder section and the lower tower cylinder section, the first embedded steel bars and the upper connecting unit are arranged in the upper tower cylinder section, and the second embedded steel bars and the lower connecting unit are arranged in the lower tower cylinder section.
Description
Technical field
The present invention relates to concrete tower technical field, particularly relate to the company of a kind of precast concrete tower joint
Access node structure and apply its tower.
Background technology
Wind power generating set is called for short blower fan, mainly includes the parts such as impeller, electromotor, tower in blower fan.
Wherein, tower is used for supporting the parts such as impeller thereon and electromotor.Tower is usually provided at blower foundation
On, and fixing with tower barrel base be connected.
Seeing Fig. 1, each precast concrete tower joint 11 is one and has certain altitude, annular
Structure, multiple precast concrete tower save 11 in the vertical directions and are stacked, and pass through attachment structure
Couple together and form concrete tower 1.Wherein, need between concrete shell ring 11 to use attachment structure 12
It is attached.
But, the attachment structure assembly coupled together by precast concrete tower joint of the prior art is the most relatively
For complexity, therefore, needing one badly can couple together precast concrete tower joint, and assembled simple
Attachment structure.
Summary of the invention
Embodiments of the invention provide the attachment structure of a kind of precast concrete tower joint and apply its tower
Cylinder is that coupled together by precast concrete tower joint, assembled simple in order to solve to lack in prior art
Attachment structure and invent.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
A kind of precast concrete tower joint attachment structure, including the first embedded bar, the second embedded bar,
The upper connection unit being connected with described first embedded bar and the lower connection being connected with described second embedded bar
Unit, described upper connection unit with under be connected between unit by the screwed connection in one end bar connecting,
Described lower connection unit is spirally connected with the described end of thread being connected reinforcing bar；
When described attachment structure connects described upper tower joint, lower tower joint, described first embedded bar,
Upper connection unit is arranged in described upper tower joint, and described second embedded bar, lower connection unit are arranged on
In described lower tower joint.
Preferably, described upper connection unit includes that grout sleeve, described grout sleeve have the chamber of hollow,
Described chamber sidewall is provided with stock inlet and grout outlet, and serosity is by described stock inlet and grout outlet and described chamber
Room connects, and one end of described first embedded bar is fixing with one end of described grout sleeve to be connected；
Described lower connection unit includes straight screw sleeve, one end of described second embedded bar and described straight spiral shell
One end of stricture of vagina sleeve is fixing to be connected, the other end of described straight screw sleeve and the described end of thread being connected reinforcing bar
Being spirally connected, the other end of described connection reinforcing bar inserts in the chamber of described grout sleeve hollow.
Wherein, described first embedded bar is connected with the threaded one end of described grout sleeve；Described second pre-
Bury reinforcing bar to be connected with the threaded one end of described straight screw sleeve.
Preferably, described chamber inner wall is circumferentially with circumferential rib.
Wherein, described first embedded bar is with described to be connected reinforcing bar concentric.
Preferably, on described, it is provided with the grouting bed of material, described grouting between tower joint and described lower tower joint
The outside of the bed of material is provided with outer ring sealing joint strip.
Wherein, the inner side at the described grouting bed of material is provided with annular sealing joint strip.
Preferably, in end face and the position of corresponding described inside and outside annular sealing joint strip of described lower tower joint
It is provided with groove, is used for accommodating described inside and outside annular sealing joint strip.
Wherein, described inside and outside sealing joint strip is quality of rubber materials, and described inside and outside annular sealing joint strip
Highly more than the degree of depth of described groove.
Preferably, described stock inlet, grout outlet all with serosity pipeline communication, and described stock inlet is positioned at institute
Stating the lower section of grout outlet, described serosity pipeline is flexible pipe.
A kind of precast concrete tower, saves including multiple tower, in two adjacent described tower joint application
The attachment structure stated is attached.
The attachment structure of the precast concrete tower joint that the embodiment of the present invention provides and apply its tower,
When using this attachment structure to carry out the joint connection of precast concrete tower, can be first by the one of the first embedded bar
End with on be connected unit one end and be connected as one overall, and by this integral built-in in upper tower joint, and upper company
The other end of order unit is concordant with upper tower joint bottom surface or exceeds this bottom surface；Again by the one of the second embedded bar
End is connected as an entirety with lower one end being connected unit, and by this integral built-in in lower tower saves；Under and
The other end connecting unit saves either flush or beyond this end face with lower tower；When connecting upper and lower tower joint
Time, it is only necessary to by connect reinforcing bar the end of thread be screwed in lower connection unit, the other end with on be connected unit company
Connect and can complete to connect, assembled simple, easy for installation.
Accompanying drawing explanation
Fig. 1 is the installation diagram after connecting between precast concrete tower joint；
The signal of the attachment structure between a kind of precast concrete shell ring that Fig. 2 provides for the embodiment of the present invention
Figure；
The structural representation of a kind of upper connection unit that Fig. 3 a provides for the embodiment of the present invention；
The structural representation of a kind of lower connection unit that Fig. 3 b provides for the embodiment of the present invention；
Unit and inside and outside annular sealing joint strip distribution is connected under the one that Fig. 3 c provides for the embodiment of the present invention
Floor map；
A kind of grouting that Fig. 4 provides for the embodiment of the present invention is by the structural representation of sleeve；
Fig. 5 is the structural representation after the grout sleeve grouting shown in Fig. 4.
Description of reference numerals:
Precast concrete tower joint-11, attachment structure-12；Concrete tower-1；
Upper shell ring-21, the first embedded bar-22, lower shell ring-23, the second embedded bar-24, upper connection is single
Unit-25, lower connection unit-26, connect reinforcing bar-27, the end of thread-271, the bed of material-28 of being in the milk, outer ring is close
Seal strip-29, serosity pipeline-201；
Grout sleeve-31, chamber-311 of hollow, stock inlet-312, grout outlet-313, straight screw sleeve-32,
Groove-33, annular sealing joint strip-34；
Circumferential rib-41；Serosity-51.
Detailed description of the invention
Below in conjunction with the accompanying drawings the embodiment of the present invention is described in detail.
In describing the invention, it is to be understood that term " " center ", " on ", D score,
"front", "rear", "left", "right", " vertically ", " level ", " top ", " end ",
The orientation of the instruction such as " interior ", " outward " or position relationship are to close based on orientation shown in the drawings or position
System, be for only for ease of describe the present invention and simplify describe rather than instruction or hint indication device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The restriction of invention.
Term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint are relative
Importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", "
Two " feature can express or implicitly include one or more this feature.Retouching in the present invention
In stating, except as otherwise noted, " multiple " are meant that two or more.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term
" install ", " being connected ", " connection " should be interpreted broadly, and connect, also for example, it may be fixing
Can be to removably connect, or be integrally connected；Can be to be joined directly together, it is also possible to pass through intermediary
It is indirectly connected to, can be the connection of two element internals.For the ordinary skill in the art,
Above-mentioned term concrete meaning in the present invention can be understood with concrete condition.
See Fig. 2, embodiments provide the attachment structure of a kind of precast concrete tower joint, including
Be arranged on the first embedded bar 22 in tower joint 21, be arranged in lower tower joint 23 second pre-buried
Upper connection unit 25 that reinforcing bar 24 is connected with the first embedded bar 22 and being connected with the second embedded bar 24
Lower connection unit 26, upper connection unit 25 with under be connected between unit 26 by one end screwed
Connecting reinforcing bar 27 to connect, lower connection unit 26 is spirally connected with the end of thread 271 being connected reinforcing bar 27；When described
When attachment structure connects upper tower joint 21, lower tower saves 23, upper connection unit 25 is arranged on tower joint
In 21, lower connection unit 26 is arranged in lower tower joint 23.
In the attachment structure of the precast concrete tower joint that the embodiment of the present invention provides, use this attachment structure
Carry out precast concrete tower joint when connecting, can first by one end of the first embedded bar 22 with on be connected singly
Unit 25 one end are connected as an entirety, and by this integral built-in in upper tower joint 21, and upper connection unit
It is concordant or beyond this bottom surface that the other end of 25 saves 21 bottom surfaces with upper tower；Again by the second embedded bar 24
One end is connected as an entirety with lower one end being connected unit 26, and in lower tower, this integral built-in is saved 23
In；And the other end of lower connection unit 26 saves 23 either flush or beyond this end face with lower tower；When even
When connecing upper and lower tower joint (21,23), it is only necessary to the end of thread 271 connecting reinforcing bar 27 is screwed into lower company
In order unit 26, the other end with on be connected unit 25 and connect and can complete to connect, assembled simple, installation
Convenient.
Seeing Fig. 3 a, in above-described embodiment, upper connection unit 25 can include grout sleeve 31, grouting
Sleeve 31 has the chamber 311 of hollow, and chamber 311 sidewall is provided with stock inlet 312 and grout outlet 313,
Serosity is connected with chamber 311 with grout outlet 313 by stock inlet 312, one end of the first embedded bar 22
Fix with one end of grout sleeve 31 and be connected；Seeing Fig. 3 b, lower connection unit 26 can include straight thread
Sleeve 32, one end of the second embedded bar 24 is fixing with one end of straight screw sleeve 32 to be connected, straight thread
The other end of sleeve 32 is spirally connected with the end of thread 271 being connected reinforcing bar 27, and the other end connecting reinforcing bar 27 is inserted
Enter in the chamber 311 of grout sleeve 31 hollow.
Specifically, the end of thread 271 connecting reinforcing bar 27 is screwed in straight screw sleeve 32, and the other end is inserted
Enter in grout sleeve 31, by the stock inlet 312 of grout sleeve 31 sidewall to grout sleeve 31 hollow
Chamber 311 in pour into the serosity of Materials with High Strength, when serosity is full of chamber 311, stop to chamber 311
In be passed through the serosity of Materials with High Strength, after grout cures, i.e. complete tower joint 21 and lower tower joint 23
Connection.Wherein, for ensureing that serosity is completely filled with the chamber 311 of grout sleeve 31 hollow, stock inlet 312
May be provided at the lower section of grout outlet 313.It addition, the one end connecting reinforcing bar 27 is inserted into grout sleeve 31
In the chamber 311 of hollow, owing to connecting reinforcing bar 27 and the first embedded bar 22 with grout sleeve 31 even
Connect so that connect the connection of reinforcing bar 27 stress, thus improve the intensity that node connects.
In above-described embodiment, the length inserting grout sleeve 31 of the first embedded bar 22 is not less than 100
Millimeter, to ensure the bonding strength of the first embedded bar 22 and grout sleeve 31；By the first embedded bar
After one end of 22 is inserted in grout sleeve 31, before upper tower joint 21 lifting installation, can be by past
Insert the mode of reperfusion serosity in the grout sleeve 31 of the first embedded bar 22, it is achieved the first embedded bar
22 are connected with the fixing of grout sleeve 31.One end of second embedded bar 24 and the one of straight screw sleeve 32
End can be achieved a fixed connection by welding manner, and, straight screw sleeve 32 and the second embedded bar 24
The entirety formed is when being embedded in lower tower joint 23, and position should be with the position phase of grout sleeve 31
Corresponding, in order to connect reinforcing bar 27 and grout sleeve 31 is coupled together with being connected reinforcing bar 27.
In above-described embodiment, the first embedded bar 22 can be connected with the threaded one end of grout sleeve 31；
Second embedded bar 24 can be connected with the threaded one end of straight screw sleeve 32.Threaded it is easily installed
And dismounting, attachment security is reliable, convenient and swift such that it is able to improve work efficiency.
Seeing Fig. 4 and Fig. 5, in above-described embodiment, chamber 311 inwall can be circumferentially with circumferential rib 41.
After the serosity 51 in chamber 311 solidifies, after circumferential rib 41 can strengthen grout sleeve 31 and solidify
The bonding strength of serosity 51, thus prevent the serosity 51 after solidification from deviating from from chamber 311.Preferably,
Can be circumferentially with multiple circumferential rib 41 at chamber 311 inwall, multiple circumferential ribs 41 can be strengthened filling further
The bonding strength of the serosity 51 after slurry sleeve 31 and solidification.
In above-described embodiment, the first embedded bar 22 can be with to be connected reinforcing bar 27 concentric.First embedded bar
22, with to be connected reinforcing bar 27 concentric, can further improve the connectedness of the first embedded bar 22 stress, thus
Improve the bonding strength of node, improve reliability.
See Fig. 2, in above-described embodiment, grouting can be provided with between upper tower joint 21 and lower tower joint 23
The bed of material 28, the outside of the grouting bed of material 28 is provided with outer ring sealing joint strip 29.Due to grouting the bed of material 28 be by
The grout cures of the Materials with High Strength that the stock inlet 312 of grout sleeve 31 is passed through is formed, and be in the milk the bed of material 28
It is filled with the gap between upper and lower tower joint (21,23), and serves connection upper and lower tower joint
The effect of (21,23).Outside the grouting bed of material 28, it is provided with outer ring sealing joint strip 29, serosity can be prevented
51 leak outside, and make the gap filling between upper and lower tower joint (21,23) more abundant, to improve filling
The connection effect of pulp layer 28.
See Fig. 3 c, in above-described embodiment, annular sealing joint strip can be provided with in the inner side of the grouting bed of material 28
34.Annular sealing joint strip 34 can prevent serosity 51 internal hemorrhage due to trauma, further raising upper and lower tower joint (21,
23) the gap filling effect between, improves the connection effect of the grouting bed of material 28 further.
Time from Fig. 3 c it can be seen that carry out upper tower joint 21 and joint 23 connection of lower tower, can use
The attachment structure that multiple embodiment of the present invention provide, to strengthen between upper and lower tower joint (21,23)
Bonding strength.Further, multiple described attachment structures can be uniform at circumferencial direction, the most each institute
State the uniform force of attachment structure, it is possible to ensureing that upper and lower tower joint (21,23) preferably connects effect
On the basis of Guo, reduce indivedual described attachment structure generation stress and concentrate the probability damaged, so ensure upper,
Firm connection between lower tower joint (21,23).
See Fig. 3 b, in above-described embodiment, lower tower joint 23 end face and corresponding to inside and outside annular close
The position of seal strip (34,29), is provided with groove 33, be used for accommodating inside and outside annular sealing joint strip (34,
29).Groove 33 can play the effect of location, inside and outside annular sealing joint strip (34,29) is contained in
In groove 33, inside and outside annular sealing joint strip (34,29) sideslip under the effect of serosity 51 can be prevented
And there is the situation of leakage, also further increasing inside and outside annular sealing joint strip (34,29) simultaneously
Sealing effectiveness with upper and lower tower joint (21,23).
In above-described embodiment, inside and outside sealing joint strip (34,29) can be quality of rubber materials, and inner and outer rings
The height of shape sealing joint strip (34,29) is more than the degree of depth of groove 33.Owing to the elasticity of quality of rubber materials is relatively big,
Therefore use the strong quality of rubber materials of deformability, can make up upper and lower tower joint (21,23) bottom surface and
The defect that end face is brought by out-of-flatness.The height of inside and outside annular sealing joint strip (34,29) is more than groove
The degree of depth of 33, it is ensured that inside and outside annular sealing joint strip (34,29) fully with upper and lower tower joint (21,
23) contacting, inside and outside annular sealing joint strip (34,29) will under the pressure of upper tower joint 21 deadweight
Upper and lower tower joint (21,23) between clearance seal, simultaneously serosity 51 be filled with upper and lower tower joint (21,
23) gap between, it is ensured that grouting degree, and further increase sealing effectiveness.
In above-described embodiment, stock inlet 312, grout outlet 313 can all connect with serosity pipeline 201, enter slurry
Mouth 312 can be located at the lower section of grout outlet 313, to ensure that serosity is completely filled with the chamber of grout sleeve 31 hollow
Room 311.Wherein, serosity pipeline 201 can be flexible pipe.Serosity pipeline 201 uses flexible pipe, can be according to work
Environment adjusts for blade angle degree, strong adaptability.
The embodiment of the present invention additionally provides a kind of precast concrete tower, saves including multiple tower, adjacent
Attachment structure described in two described tower joint application above-described embodiments is attached, and this tower uses should
When attachment structure carries out the connection of tower joint, can first by one end of the first embedded bar 22 with on be connected single
Unit 25 one end are connected as an entirety, and by this integral built-in in upper tower joint 21, and upper connection unit
It is concordant or beyond this bottom surface that the other end of 25 saves 21 bottom surfaces with upper tower；Again by the second embedded bar 24
One end is connected as an entirety with lower one end being connected unit 26, and in lower tower, this integral built-in is saved 23
In；And the other end of lower connection unit 26 saves 23 either flush or beyond this end face with lower tower；When even
When connecing upper and lower tower joint (21,23), it is only necessary to the end of thread 271 connecting reinforcing bar 27 is screwed into lower company
In order unit 26, the other end with on be connected unit 25 and connect and can complete to connect, assembled simple, installation
Convenient.
Attachment structure at the precast concrete tower joint using the embodiment of the present invention to provide carries out tower joint even
When connecing, concrete steps can be:
First, first first embedded bar 22 one end and grout sleeve 31 one end are connected as an entirety, and
By this integral built-in in upper tower joint 21, and the other end of grout sleeve 31 saves 21 bottom surfaces with upper tower
Concordant or beyond this bottom surface；Second embedded bar 24 one end and straight screw sleeve 32 one end are connected as one
Entirety, and by this integral built-in in lower tower joint 23；And the other end of straight screw sleeve 32 and Xia Ta
Shell ring 23 either flush or beyond this end face；
Secondly, the end of thread 271 connecting reinforcing bar 27 is screwed in straight screw sleeve 32；
3rd step, is lifted into desired location by lower tower joint 23；
4th step, is installed to inside and outside annular sealing joint strip (34,29) in corresponding groove 33；
5th step, is lifted into upper tower joint 21 above lower tower joint 23, and makes connection reinforcing bar 27 insert
In the hollow chamber 311 of grout sleeve 31, and inside and outside annular sealing joint strip 29 is compressed；
6th step, injects serosity 51 by flexible pipe 201, until going out in the chamber 311 of grout sleeve 31
Till slurry mouth 313 overflows serosity 51.
In sum, the present invention can produce multiple beneficial effect:
1, the intensity of described attachment structure is higher: above connect unit, lower connection unit is connected by reinforcing bar,
Grouting material uses Materials with High Strength so that node bonding strength is high.
2, described attachment structure is easy for installation: above connecting to connect between unit, lower connection unit only needs screw thread
It is connected to slip casting can complete.
3, the sealing of described attachment structure is preferable: inside and outside annular sealing joint strip saves from heavy sensation of the body in upper tower
Clearance seal between upper and lower tower being saved under the pressure of power, grouting material is filled with gap simultaneously, therefore
Good airproof performance.
4, the grouting of described attachment structure is closely knit: by grout sleeve stock inlet in lower section, grout outlet is in lower section
Design, it is possible to ensure grouting closely knit.
5, the anti-seismic performance of described attachment structure is good: above connect the shearing resistance between unit and lower connection unit strong
Degree height is higher to the bearing capacity of earthquake.
In the description of this specification, specific features, structure, material or feature can be any one
Individual or multiple embodiment or example combine in an appropriate manner.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited to
In this, any those familiar with the art, can be easily in the technical scope that the invention discloses
Expect change or replace, all should contain within protection scope of the present invention.Therefore, the protection of the present invention
Scope should described be as the criterion with scope of the claims.
Claims (12)
1. the attachment structure of precast concrete tower joint, it is characterised in that include the first embedded bar,
Upper connection unit that second embedded bar is connected with described first embedded bar and with described second pre-buried steel
The lower connection unit that muscle connects, described upper connection unit includes grout sleeve, during described grout sleeve has
Empty chamber, the sidewall of described chamber is provided with stock inlet and grout outlet, and serosity is by described stock inlet and goes out
Slurry mouth and described chamber, one end of described first embedded bar is fixed with one end of described grout sleeve
Connect；
Described upper connection unit with under be connected between unit by the screwed connection in one end bar connecting,
Described lower connection unit is spirally connected with the described end of thread being connected reinforcing bar, and the other end of described connection reinforcing bar inserts
In the chamber of described grout sleeve；
When described attachment structure connects upper tower joint, lower tower joint, described first embedded bar, upper company
Order unit is arranged in described upper tower joint, and described second embedded bar, lower connection unit are arranged on described
In lower tower joint.
The attachment structure of precast concrete tower the most according to claim 1 joint, it is characterised in that
Described lower connection unit includes straight screw sleeve, one end of described second embedded bar and described straight thread set
One end of cylinder is fixing to be connected, and the other end of described straight screw sleeve is spirally connected with the described end of thread being connected reinforcing bar.
The attachment structure of precast concrete tower the most according to claim 2 joint, it is characterised in that
Described first embedded bar is connected with the threaded one end of described grout sleeve；Described second embedded bar and institute
The threaded one end stating straight screw sleeve connects.
The attachment structure of precast concrete tower the most according to claim 3 joint, it is characterised in that
The inwall of described chamber is circumferentially with circumferential rib.
The attachment structure of precast concrete tower the most according to claim 4 joint, it is characterised in that
Described first embedded bar is with described to be connected reinforcing bar concentric.
6. the attachment structure saved according to the precast concrete tower described in claim 2-5 any one, its
It is characterised by, on described, be provided with the grouting bed of material between tower joint and described lower tower joint.
The attachment structure of precast concrete tower the most according to claim 6 joint, it is characterised in that
The outside of the described grouting bed of material is provided with outer ring sealing joint strip.
The attachment structure of precast concrete tower the most according to claim 7 joint, it is characterised in that
It is provided with annular sealing joint strip in the inner side of the described grouting bed of material.
The attachment structure of precast concrete tower the most according to claim 8 joint, it is characterised in that
It is provided with groove at the end face of described lower tower joint and the position of corresponding described inside and outside annular sealing joint strip, uses
In accommodating described inside and outside annular sealing joint strip.
The attachment structure of precast concrete tower the most according to claim 9 joint, it is characterised in that
Described inside and outside annular sealing joint strip is quality of rubber materials, and the height of described inside and outside annular sealing joint strip is big
The degree of depth in described groove.
The 11. connection knots saved according to the precast concrete tower described in claim 2-5,7-10 any one
Structure, it is characterised in that described stock inlet, grout outlet all with serosity pipeline communication, and described stock inlet position
In the lower section of described grout outlet, described serosity pipeline is flexible pipe.
12. 1 kinds of precast concrete tower, it is characterised in that include that multiple tower saves, adjacent two
Described tower joint application attachment structure described in claim 1-11 any one is attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410129721.2A CN103967719B (en) | 2014-04-01 | 2014-04-01 | Connecting structure of precast concrete tower shell ring and tower barrel using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410129721.2A CN103967719B (en) | 2014-04-01 | 2014-04-01 | Connecting structure of precast concrete tower shell ring and tower barrel using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103967719A CN103967719A (en) | 2014-08-06 |
| CN103967719B true CN103967719B (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410129721.2A Active CN103967719B (en) | 2014-04-01 | 2014-04-01 | Connecting structure of precast concrete tower shell ring and tower barrel using same |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929320A (en) * | 2015-06-23 | 2015-09-23 | 上海建工二建集团有限公司 | Rebar connecting structure and construction method thereof |
| CN106193329B (en) * | 2016-08-29 | 2019-03-15 | 朱凤起 | Concrete wall structure and its construction method |
| CN106438214A (en) * | 2016-10-08 | 2017-02-22 | 霍尔果斯新国金新能源科技有限公司 | Tower drum used for wind driven generator |
| CN106640538A (en) * | 2016-10-08 | 2017-05-10 | 霍尔果斯新国金新能源科技有限公司 | Tower tube component and grouting method thereof |
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| CN202065134U (en) * | 2011-04-22 | 2011-12-07 | 辽宁大金重工股份有限公司 | Sectional type concrete wind power tower |
| CN202500731U (en) * | 2012-02-22 | 2012-10-24 | 阜新金胤新能源技术咨询有限公司 | Internal prestressed steel-concrete wind power tower |
| CN202545137U (en) * | 2012-04-24 | 2012-11-21 | 阜新金胤新能源技术咨询有限公司 | Internally-prestressed planted bar connection type concrete wind power tower |
| DE102012104508A1 (en) * | 2012-05-24 | 2013-11-28 | Max Bögl Wind AG | Tower structure for use as hybrid tower for e.g. offshore-system, has tower sections' front surfaces facing towards each other and forming connecting point of structure, and leveling device arranged between front surfaces at point |
| US20140021927A1 (en) * | 2012-07-19 | 2014-01-23 | Hamilton Sundstrand Corporation | Adaptive current control for inductive loads |
| CN202689663U (en) * | 2012-08-14 | 2013-01-23 | 阜新金胤新能源技术咨询有限公司 | Internal prestress double-head bolt connection type concrete wind power tower |
| CN203420836U (en) * | 2013-08-02 | 2014-02-05 | 国电联合动力技术有限公司 | Steel-concrete draught fan tower |
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