CN112796517A - Pre-buried reinforcing steel plate structure in segmentation precast concrete tower section of thick bamboo door opening - Google Patents
Pre-buried reinforcing steel plate structure in segmentation precast concrete tower section of thick bamboo door opening Download PDFInfo
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- CN112796517A CN112796517A CN202110003331.0A CN202110003331A CN112796517A CN 112796517 A CN112796517 A CN 112796517A CN 202110003331 A CN202110003331 A CN 202110003331A CN 112796517 A CN112796517 A CN 112796517A
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- plate
- door opening
- shaped steel
- steel lining
- side plate
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
- E04G15/02—Forms or shutterings for making openings, cavities, slits, or channels for windows, doors, or the like
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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
- Y02E10/728—Onshore wind turbines
Abstract
The invention discloses a pre-buried reinforced steel plate structure of a segmental precast concrete tower door opening, which is mainly formed by symmetrically splicing an upper U-shaped steel lining door frame and a lower U-shaped steel lining door frame, wherein each U-shaped steel lining door frame comprises an outer side plate, an inner side plate and a bottom plate for connecting the outer side plate and the inner side plate, a U-shaped groove which is matched with the tower door opening and has an outward notch is formed among the outer side plate, the inner side plate and the bottom plate, and a U-shaped anchor bar which can be embedded into the tower door opening is fixedly arranged in the U-shaped groove. Splice face department of two upper and lower U shaped steel lining door frames all sets firmly the splice plate of looks adaptation, corresponds set up threaded hole in the splice plate from top to bottom to the corresponding screw sleeve that disposes, detachable assembly of two upper and lower U shaped steel lining door frames is realized to accessible positioning bolt. The structure not only makes up the loss of structural strength and rigidity of the door opening section caused by opening the door opening, but also can quickly and conveniently complete the assembly of the door opening in the air, and ensures the safety of high-altitude operation.
Description
Technical Field
The invention relates to the technical field of onshore wind power concrete tower barrels, in particular to a pre-buried reinforcing steel plate structure of a door opening of a segmented precast concrete tower barrel.
Background
Under the land wind power market with the average price, the wind generating set shows the development trend of high cavitation and high power. The traditional flexible tower gradually presents a certain technical bottleneck due to the problems of low rigidity, large amplitude, serious fatigue problem, limited transportation and the like, and the steel-concrete combined tower (called as a mixed tower for short) comprehensively utilizes the rigidity advantage of a concrete tower drum and the rapid construction advantage of the steel tower drum, and purposefully solves the technical defects of the traditional all-steel flexible tower drum, so that the traditional flexible tower drum is favored by the market in recent years.
With the development of the fabricated concrete technology in China, a segmented prefabricated hybrid tower gradually becomes the mainstream structure of the hybrid tower by virtue of the flexible slicing mode. Mix the bottom of the tower and need set up the door opening, personnel of being convenient for, equipment business turn over, and to wading the machine position, the door opening often need be raised to more than the flood control elevation, how to offer the door opening and compensate the door opening section effectively because the structural strength and the rigidity loss that the opening caused in concrete body department of keeping away from the fan basis, all be the problem that this technical field waited to solve urgently from the angle of structural safety and assembly convenience.
Based on the situation, the invention provides a pre-embedded reinforced steel plate structure of a segmental precast concrete tower barrel door opening, which can effectively solve the problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a pre-buried reinforcing steel plate structure for a segmental precast concrete tower tube portal. The structure can compensate the strength and rigidity loss of the concrete tower barrel door opening section caused by opening the opening, and can quickly and conveniently complete the assembly of the door opening in the air.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention provides a pre-buried reinforced steel plate structure of a segmental precast concrete tower door opening, which is mainly formed by symmetrically splicing an upper U-shaped steel lining door frame and a lower U-shaped steel lining door frame, wherein each U-shaped steel lining door frame comprises an outer side plate, an inner side plate and a bottom plate for connecting the outer side plate and the inner side plate, a U-shaped groove which is matched with the tower door opening and has an outward notch is formed between the outer side plate, the inner side plate and the bottom plate, and a U-shaped anchor bar which can be embedded into the tower door opening is fixedly arranged in the U-shaped groove.
As a preferable technical scheme of the invention, an arc plate matched with the arc surface of the bottom plate, an eyebrow plate connected to the bottom of the arc plate and extending to two vertical surfaces towards two ends, and a pasting plate connected to the bottom of the eyebrow plate and clinging to the two vertical surfaces to extend downwards to the end part of the bottom plate are fixedly arranged on the inner side of each U-shaped steel lining door frame.
In a preferred embodiment of the present invention, the arc plate and the pasting plate are located on the same plane, and the plane where the arc plate and the pasting plate are located is perpendicular to the plane where the brow plate is located.
As a preferred technical scheme of the invention, the splicing surfaces of the upper U-shaped steel lining door frame and the lower U-shaped steel lining door frame are respectively fixedly provided with a splicing plate which is matched with the splicing surfaces of the upper U-shaped steel lining door frame and the lower U-shaped steel lining door frame, the upper splicing plate and the lower splicing plate are correspondingly provided with threaded holes and are correspondingly provided with threaded sleeves, and the upper U-shaped steel lining door frame and the lower U-shaped steel lining door.
As a preferred technical scheme of the invention, all the splicing plates are fixedly connected with the bottom plate of the U-shaped steel lining door frame through the rib plates.
As a preferred technical scheme of the invention, the rib plate is made of a trapezoidal steel plate, one end of the rib plate is fixedly connected with the splice plate, and the other end of the rib plate is fixedly connected with the bottom plate of the U-shaped steel lining door frame.
As a preferred technical scheme of the invention, the splice plates are rectangular steel plates and are matched with the end faces of the U-shaped grooves.
As a preferable technical solution of the present invention, the outer side plate, the inner side plate, and the bottom plate are all U-shaped.
As a preferable technical scheme of the invention, the U-shaped anchor bars are uniformly arranged in the notches of the U-shaped steel lining door frame in a radial shape, and the U-shaped anchor bars are welded and fixed with the inner side plate, the outer side plate and the bottom plate of the U-shaped steel lining door frame.
As a preferable technical scheme of the invention, longitudinal bars and stirrups are arranged in the notches of the U-shaped steel lining door frame according to a beam column form to form a hidden column.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. according to the pre-buried reinforced steel plate structure for the segmental precast concrete tower tube door opening, the opening is reinforced through the pre-buried steel lining door frame structure, strength and rigidity loss of a concrete door opening section caused by opening are made up, and the concrete door opening section meets bearing requirements.
2. According to the pre-buried reinforced steel plate structure for the door opening of the segmented precast concrete tower barrel, the reinforcement is arranged in the notch of the U-shaped steel lining door frame according to the beam column form, the longitudinal reinforcement and the stirrup are arranged along the notch, a 'hidden column' is formed, and the bearing capacity of the door opening is greatly improved.
3. The reinforcing steel plate structure embedded in the door opening of the segmented precast concrete tower provided by the invention can be integrally embedded in a single concrete tower tube section, and also can be divided into an upper section and a lower section which are respectively embedded in an upper concrete tower tube section and a lower concrete tower tube section at any height, and can be flexibly applied to wading machine positions needing to be lifted up in the door opening.
4. According to the pre-buried reinforced steel plate structure for the door opening of the segmented precast concrete tower barrel, provided by the invention, the U-shaped steel lining door frame and the frame inner part are door assembly parts which are connected by welding and pre-buried in the tower barrel section after being manufactured, and the assembly bolt holes are formed in the splicing plates of the steel lining door frame, so that the door assembly under high-altitude operation can be conveniently realized in the splicing process of the upper half door frame and the lower half door frame, and the assembly speed and the assembly precision are improved.
Drawings
FIG. 1 is a schematic structural view of one of the U-shaped steel-lined door frames of the present invention;
FIG. 2 is a schematic view of the structure of two U-shaped steel lining door frames of the present invention after being spliced;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a schematic structural view of a hidden column structure in a U-shaped steel lining door frame notch;
FIG. 5 is a schematic perspective view of the double door opening sections S2 and S3 of the present invention;
FIG. 6 is a schematic perspective view of a single door opening section S3 according to the present invention;
FIG. 7 is a schematic illustration of the double door opening section splice of the present invention;
fig. 8 is an enlarged view at B in fig. 7.
Reference numerals: 1-an outer panel; 2-inner side plate; 3-a bottom plate; 4-arc plate; 5-eyebrow plate; 6-pasting a board; 7-rib plate; 8-splice plates; 9-anchor bars; 10-horizontal midline; 11-bolt holes; 12-a threaded sleeve; 13-a positioning bolt; 14-longitudinal ribs; 15-stirrup.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The present invention will be further described with reference to the following examples and figures 1-8, but the invention is not limited thereto.
The first embodiment is as follows:
as shown in fig. 1 and 2, this embodiment provides a pre-buried reinforcing steel plate structure in burst precast concrete tower tube door opening, and this structure includes two U shaped steel lining door frames, frame interior part, anchor bar and splice plate. The whole door opening reinforcing steel plate structure is vertically symmetrical along a horizontal center line 10 and is divided into an upper section and a lower section, and the two sections are manufactured respectively and spliced into a whole.
In this embodiment, every U shaped steel lining door frame includes outer panel 1, interior plate 2, connects bottom plate 3 of outer panel 1 and interior plate 2, and forms between outer panel 1 and interior plate 2 and the bottom plate 3 with a tower section of thick bamboo door opening looks adaptation and the outside U type groove of notch, and this U type inslot sets firmly can imbed the U type anchor bar 9 in the tower section of thick bamboo door opening and be radially, passes through welded connection with outer panel 1, interior plate 2 and bottom plate 3 of U shaped steel lining door frame.
In this embodiment, each of the U-shaped steel-lined door frames is composed of two upright sections and an arc-shaped section (a portion of a circle). The inside of every U shaped steel lining door frame sets firmly the interior part of frame, the interior part of frame include with the arc board 4 of arc section adaptation, with two brow boards 5 and flitch 6 of standing up the section adaptation. Wherein, arc 4 and bottom plate cambered surface accordant connection, brow 5 connect in the arc bottom and to extending to both ends and connect to two facades of bottom plate, paste board 6 connect in the brow bottom and hug closely bottom plate coexistence face and extend downwards to the bottom plate tip.
The arc plate 4 and the pasting plate 6 are positioned on the same plane, and the surface where the arc plate 4 and the pasting plate 6 are positioned is perpendicular to the surface where the brow plate 5 is positioned.
The upper U-shaped steel lining door frame and the lower U-shaped steel lining door frame of the steel lining door frame are respectively manufactured, and parts in the two corresponding U-shaped steel lining door frames are integrally manufactured and molded, then are cut into two sections which are symmetrical up and down along a horizontal center line 10, and are respectively welded on the inner sides of bottom plates 3 of the upper section and the lower section of the U-shaped steel lining door frame.
In this embodiment, the splice face department of two upper and lower U shaped steel lining door frames all sets firmly the rectangle splice plate 8 of looks adaptation, and its size is the same with the cross-section of U shaped steel lining door frame notch.
As shown in fig. 3, each splice plate is fixedly connected with the bottom plate of the U-shaped steel lining door frame through a trapezoidal rib plate 7, one end of the trapezoidal rib plate 7 is fixedly connected with the splice plate, and the other end of the trapezoidal rib plate is fixedly connected with the bottom plate of the U-shaped steel lining door frame, so that fixation is realized.
As shown in figure 4, a stressed longitudinal rib 14 and a structural stirrup 15 are arranged in the notch of the U-shaped steel lining door frame in a beam column mode to form a hidden column. The hidden column is used for increasing the bearing capacity of the U-shaped steel lining door frame, bears the pressure together with an inner side plate and an outer side plate of the U-shaped steel lining door frame and a bottom plate, and mainly enhances the local bearing capacity of the door opening through the super-distributed steel bars.
As shown in fig. 5, 7 and 8, each tower barrel section of the segmented precast concrete tower barrel consists of four segments, the door opening is arranged in the segments S3 and S2, and the door opening embedded reinforced steel plate structure is integrally divided into an upper segment and a lower segment which are respectively embedded in the tower barrel segment S3 and the tower barrel segment S2. In addition, the splice plate 8 is provided with bolt holes 12, the threaded sleeves 12 are welded on the bolt holes 11, the tail ends of the positioning bolts 13 are provided with threaded sections, the tops of the positioning bolts are conical sections, and when the tower section S3 and the tower section S2 are horizontally spliced, the positioning bolts are respectively inserted into the threaded sleeves 12 on the lower section of the door opening embedded reinforced steel plate and the upper section of the splice plate 8, so that the vertical assembly is realized.
Example two:
as shown in fig. 6, the difference between this embodiment and the first embodiment is that the door opening section of the segmented precast concrete tower barrel is a tower barrel section S3, and the door opening embedded reinforcing steel plate is integrally embedded in a single tower barrel section S3 after splicing.
According to the description and the drawings of the invention, a person skilled in the art can easily manufacture or use the pre-buried reinforced steel plate structure of the segmented precast concrete tower tube door opening, and can produce the positive effects recorded by the invention.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (10)
1. The utility model provides a pre-buried reinforcing steel plate structure in burst precast concrete tower tube door opening which characterized in that: the reinforced steel plate structure is mainly formed by symmetrically splicing an upper U-shaped steel lining door frame and a lower U-shaped steel lining door frame, each U-shaped steel lining door frame comprises an outer side plate, an inner side plate and a bottom plate for connecting the outer side plate and the inner side plate, a U-shaped groove which is matched with a tower barrel door opening and is provided with an outward notch is formed between the outer side plate and the inner side plate as well as between the bottom plates, and U-shaped anchor bars which can be embedded into the.
2. The pre-buried reinforcing steel plate structure of segmentation precast concrete tower tube door opening according to claim 1, characterized in that: the inboard of every U shaped steel lining door frame sets firmly the arc board with bottom plate cambered surface looks adaptation, connects in the arc board bottom and to both ends extend to connect to the eyebrow plate of two facades, connect in the eyebrow plate bottom and hug closely the flitch that two facades downwardly extended to the bottom plate tip.
3. The pre-buried reinforcing steel plate structure of segmentation precast concrete tower tube door opening according to claim 2, characterized in that: the arc plate and the pasting plate are positioned on the same plane, and the surface of the arc plate and the surface of the pasting plate are perpendicular to the surface of the brow plate.
4. The pre-buried reinforcing steel plate structure of segmentation precast concrete tower tube door opening according to claim 1, characterized in that: splice face department of two upper and lower U shaped steel lining door frames all sets firmly the splice plate of looks adaptation, corresponds set up threaded hole in the splice plate from top to bottom to the corresponding screw sleeve that disposes, detachable assembly of two upper and lower U shaped steel lining door frames is realized to accessible positioning bolt.
5. The pre-buried reinforcing steel plate structure of segmentation precast concrete tower tube door opening according to claim 4, characterized in that: and each splicing plate is fixedly connected with the bottom plate of the U-shaped steel lining door frame through a rib plate.
6. The pre-buried reinforcing steel plate structure of segmentation precast concrete tower tube door opening according to claim 5, characterized in that: the rib plates are made of trapezoidal steel plates, one ends of the rib plates are fixedly connected with the splicing plates, and the other ends of the rib plates are fixedly connected with the bottom plate of the U-shaped steel lining door frame.
7. The pre-buried reinforcing steel plate structure of segmentation precast concrete tower tube door opening according to claim 4, characterized in that: the splice plates are rectangular steel plates and are matched with the end faces of the U-shaped grooves.
8. The pre-buried reinforcing steel plate structure of segmentation precast concrete tower tube door opening according to claim 1, characterized in that: the outer side plate, the inner side plate and the bottom plate are all arranged in a U shape.
9. The pre-buried reinforcing steel plate structure of segmentation precast concrete tower tube door opening according to claim 1, characterized in that: the U-shaped anchor bars are uniformly arranged in the notches of the U-shaped steel lining door frame in a radial shape, and the U-shaped anchor bars are fixedly connected with the inner side plate, the outer side plate and the bottom plate of the U-shaped steel lining door frame.
10. The pre-buried reinforcing steel plate structure of segmentation precast concrete tower tube door opening according to claim 1, characterized in that: longitudinal bars and stirrups are arranged in the notches of the U-shaped steel lining door frames according to the beam column form to form hidden columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110003331.0A CN112796517A (en) | 2021-01-04 | 2021-01-04 | Pre-buried reinforcing steel plate structure in segmentation precast concrete tower section of thick bamboo door opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110003331.0A CN112796517A (en) | 2021-01-04 | 2021-01-04 | Pre-buried reinforcing steel plate structure in segmentation precast concrete tower section of thick bamboo door opening |
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| Publication Number | Publication Date |
|---|---|
| CN112796517A true CN112796517A (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110003331.0A Pending CN112796517A (en) | 2021-01-04 | 2021-01-04 | Pre-buried reinforcing steel plate structure in segmentation precast concrete tower section of thick bamboo door opening |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2786225Y (en) * | 2005-04-04 | 2006-06-07 | 朱秦江 | Door and window hole member on composite thermal insulation concrete wall |
| CN108412522A (en) * | 2018-04-09 | 2018-08-17 | 长江勘测规划设计研究有限责任公司 | Underground engineering wall portal ruggedized construction and its construction method |
| CN110657071A (en) * | 2019-11-19 | 2020-01-07 | 中国电建集团西北勘测设计研究院有限公司 | Prefabricated concrete fan tower drum, tower drum component and connecting method |
| CN209999413U (en) * | 2019-04-28 | 2020-01-31 | 江苏浩森建筑设计有限公司 | precast concrete frame preparation mould and frame subassembly |
| CN210659810U (en) * | 2019-03-06 | 2020-06-02 | 青建集团股份公司 | Indoor fire-proof passage fireproof door mounting and fixing structure |
| CN112096573A (en) * | 2020-08-21 | 2020-12-18 | 中国电建集团华东勘测设计研究院有限公司 | Grouting-free dry-type prestressed bolt splicing and slicing prefabricated assembly type mixed tower |
-
2021
- 2021-01-04 CN CN202110003331.0A patent/CN112796517A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2786225Y (en) * | 2005-04-04 | 2006-06-07 | 朱秦江 | Door and window hole member on composite thermal insulation concrete wall |
| CN108412522A (en) * | 2018-04-09 | 2018-08-17 | 长江勘测规划设计研究有限责任公司 | Underground engineering wall portal ruggedized construction and its construction method |
| CN210659810U (en) * | 2019-03-06 | 2020-06-02 | 青建集团股份公司 | Indoor fire-proof passage fireproof door mounting and fixing structure |
| CN209999413U (en) * | 2019-04-28 | 2020-01-31 | 江苏浩森建筑设计有限公司 | precast concrete frame preparation mould and frame subassembly |
| CN110657071A (en) * | 2019-11-19 | 2020-01-07 | 中国电建集团西北勘测设计研究院有限公司 | Prefabricated concrete fan tower drum, tower drum component and connecting method |
| CN112096573A (en) * | 2020-08-21 | 2020-12-18 | 中国电建集团华东勘测设计研究院有限公司 | Grouting-free dry-type prestressed bolt splicing and slicing prefabricated assembly type mixed tower |
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