CN212316969U - Tubular pile composite tower - Google Patents
Tubular pile composite tower Download PDFInfo
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- CN212316969U CN212316969U CN202020183985.7U CN202020183985U CN212316969U CN 212316969 U CN212316969 U CN 212316969U CN 202020183985 U CN202020183985 U CN 202020183985U CN 212316969 U CN212316969 U CN 212316969U
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Abstract
The utility model discloses a compound pylon of tubular pile contains: the tower barrel at the upper part is provided with a plurality of tower segment structures; the tower frame at the lower part comprises a plurality of layers of support sections and connecting pieces connected between two adjacent layers of support sections, and the top support section of the tower frame is connected with the tower barrel through a transition section; the transition section of the top support section is connected by grouting, and/or the connecting piece of at least one layer is connected with the support section connected with the connecting piece by grouting. The support sections are steel pipe sections and the plurality of single pipes and/or the support sections are precast piles. The steel pipe and the connecting support of the tubular pile tower frame of the utility model are connected by adopting on-site high-strength grouting without bolt connection; the diameter of the bottom of the tubular pile tower is not limited, the bearing capacity is strong, the installation, the manufacture and the transportation are convenient, the cost is low, and the method has positive reference significance for the development of a new tower.
Description
Technical Field
The utility model relates to a wind-powered electricity generation pylon field, in particular to compound pylon of tubular pile.
Background
Due to the large-scale of land wind power market units and the requirement of low wind speed areas, the existing steel tower frame meets the bottleneck of solving both high-power units and high towers. At present, land wind turbine generators are increasingly high in power, generator tower loads are also increasingly high, and tower structures with larger bearing capacity are needed.
Existing onshore towers are transportation limited and typically have diameters within 4.3 meters. The diameter of the tower bottom is limited, and the thickness of the steel plate can only be increased by improving the bearing capacity. If the wall thickness is increased, the processing and the manufacturing are difficult and uneconomical. In addition, the unit load is large, the number of the anchor bolts at the bottom of the tower is increased, the distance between the anchor bolts is reduced, the layout is difficult, and the reinforcing steel bar arrangement and the concrete pouring quality are influenced.
In the current high tower solution, the flexible tower is limited by wind resources and the generated energy is lost. The problems of immature supply chains, high investment cost, long construction period, high cost and the like of the mixed tower cannot completely meet the development requirement of the wind power market. Therefore, there is a need to develop a composite tower that is simple to manufacture and easy to install as a high tower solution. In addition, at present, due to the adoption of bolt connection, the tower frame similar to the tower frame is high in accuracy requirement of mounting holes, large in number of bolts, troublesome in field assembly, long in construction period and difficult in inspection and maintenance, and therefore the problem of bolt connection needs to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a wind power tubular pile composite tower, which is divided into two parts, wherein the upper part is a traditional conical or cylindrical tower cylinder, and the lower part is a steel pipe connecting structure or a steel-concrete composite pipe structure; the steel pipe of the tower and the connecting support are connected by adopting on-site high-strength grouting without bolt connection, so that the problem of bolt connection is solved; the diameter of the bottom of the tubular pile tower is not limited, the bearing capacity is strong, the installation, the manufacture and the transportation are convenient, the cost is low, and the method has positive reference significance for the development of a new tower.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a tubular pile composite tower, comprising: a tower drum at the upper part; the tower frame comprises a plurality of layers of support sections and connecting pieces connected between any two adjacent layers of support sections, and the top support section of the tower frame is connected with the tower barrel through a transition section; the top supporting section is connected with the transition section in a grouting manner, and/or at least one layer of connecting piece is connected with the supporting section connected with the connecting piece in a grouting manner; the support section of each layer comprises a plurality of individual tubes and is surrounded to form a corresponding one of the tube sections.
Preferably, the transition section is connected between the top support section of the tower and the bottom tower section structure of the tower; the top supporting section comprises a plurality of single tubes and is respectively inserted into a plurality of mounting holes at the lower part of the transition section for connection; and a gap of a connecting cavity between the single pipe of the top supporting section and the mounting hole of the transition section is filled with high-strength grouting material.
Preferably, the support section is a steel pipe section and comprises a plurality of single pipes; and/or the support section is a steel-concrete composite pipe.
Preferably, the connecting member is a connecting support and includes: the at least two first sleeves are respectively sleeved on the outer sides of the plurality of single pipes of the steel pipe section; the sleeve connecting structure is used for connecting two adjacent first sleeves; and/or the connecting piece is a prefabricated ring and is provided with a plurality of mounting holes for matching with the steel pipe of the steel-concrete composite pipe.
Preferably, the sleeve connecting structure comprises two connecting pipes of the bending structure and is fixedly connected with the two connecting pipes, and the two connecting pipes on any one sleeve connecting structure are integrally a cross steel pipe; the cross buckle plates of the half-body structures are respectively arranged at the upper end and the lower end of the sleeve connecting structure, and the cross buckle plates at the upper end and the lower end of the sleeve connecting structure are matched and buckled together to form a cross tubular structure matched with the cross steel pipe.
Preferably, each connecting pipe is divided into two sections of first branch pipes with a set included angle, and the cross steel pipe is divided into four sections of first branch pipes; the cross-shaped tubular structure is divided into four sections of second branch pipes; a second sleeve is preset in each of the two sections of the first branch pipes of the connecting pipe; the cross-shaped pinch plates at the upper end and the lower end are fixedly connected through the second sleeve; one side of the second sleeve is sleeved on the outer side of the first branch pipe, and the other side of the second sleeve is sleeved on the outer side of the second branch pipe; and a connecting cavity between the second sleeve and the first branch pipe and/or a connecting cavity between the second sleeve and the second branch pipe are filled with high-strength grouting material.
Preferably, the single pipe of the steel pipe section is intermittently welded with first shear keys at the outer sides of the two ends in the length direction, the inner sides of the two ends in the length direction of the first sleeve of the connecting support are intermittently welded with second shear keys, and the first shear keys are matched with the second shear keys.
Preferably, a high-strength grouting material is filled in a connecting cavity between the first casing and the corresponding single pipe.
Preferably, any one layer of support segments is pre-integrated with the connectors thereon.
Preferably, the bottom support section is inserted into an annular foundation, and an embedded steel pipe is arranged in the annular foundation; the bottom supporting section is connected with the annular foundation through high-strength grouting materials in a filling mode.
Compared with the prior art, the beneficial effects of the utility model reside in that: (1) the tubular pile composite tower has high rigidity, the bottom of the tower is of a tubular pile structure, the diameter is not limited, and the bearing capacity requirement of a high-power unit can be met; (2) the tower frame of the utility model has simple structure, convenient pipe pile transportation and can be used as a solution of a high tower on land; (3) the tubular pile connection of the utility model mainly adopts on-site high-strength grouting connection, for example, high-strength grouting material is used between the transition section and the steel pipe, between the connecting support and the steel pipe, and between the foundation and the steel pipe for on-site filling connection, thereby having convenient operation, reducing the requirement of bolt connection on the processing precision of parts and improving the convenience of construction and installation; in addition, the grouting connection is generally welded with a shearing key on a connected piece, so that the combination and force transmission of the grouting material are enhanced; (4) the utility model discloses use annular concrete foundation, reducible excavation reduces the concrete volume, reduce cost.
Drawings
Fig. 1 is a schematic view of the overall structure of the tubular pile composite tower of the present invention;
FIG. 2 is a schematic cross-sectional view taken at C-C in FIG. 1;
FIG. 3 is a schematic view of the connection support structure of the present invention;
fig. 4-5 are schematic structural views of the two split connecting supports of the present invention combined into a whole;
fig. 6a to 6h are schematic structural views of the steel pipe sections and the connecting supports of the layers, respectively;
fig. 7 is a schematic view of the overall structure of a tubular pile composite tower according to another embodiment of the present invention;
fig. 8 is a schematic perspective view of the tubular pile composite tower in fig. 7.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 7, the utility model provides a wind power tubular pile composite tower, wind power tubular pile composite tower contain the circular cone on upper portion or the columniform steel sheet flange welding tower section of thick bamboo 100 and the tubular pile pylon 200 of lower part. The tubular pile tower 200 includes a steel tube type tower structure in the first embodiment and a steel-concrete composite tube type tower structure in the second embodiment. It should be noted that when a steel pipe or a steel-concrete composite pipe (generally called a precast pile) is inserted into a foundation or a foundation, it may be called a pile; when the steel pipe or the steel-concrete composite pipe is directly used on the bottom surface, it is still called steel pipe or steel-concrete composite pipe.
The first embodiment is as follows:
as shown in fig. 1 to 5, in the present embodiment, a wind power tubular pile composite tower is provided, in which a tower barrel 100 is a conical tower barrel, and includes multiple (for example, two segments in fig. 1) conical tower segments, which are a first conical tower segment 11 and a second conical tower segment 12, respectively. The tower 200 comprises a plurality of layers of steel pipe sections 3 and a plurality of layers of connecting struts 4. The connecting supports 4 connect the steel pipe sections 3 of different layers. The steel pipes 3 and the connecting supports 4 are arranged from top to bottom in sequence at intervals, and each connecting support 4 is arranged between the corresponding two layers of steel pipe sections 3.
As shown in fig. 1-2, the upper tower 100 and the lower tower 200 are connected by a transition section 2, the transition section 2 being connected between the lower end of the second conical tower segment 12 and the upper end of the first steel pipe segment 31. Wherein, the transition section 2 is formed by welding steel plates. The upper portion of the transition section 2 is of steel flange construction and is bolted to the second conical tower section 12 of the tower 100. And high-strength concrete is filled in the steel plate welding cavity at the lower part of the transition section 2. The lower portion of the transition section 2 is reserved with m1 corresponding mounting holes, and the diameter of each mounting hole is slightly larger than the diameter of the steel pipe in the first steel pipe section 31 (for example, the diameter of the steel pipe is 60-100 mm). During installation, each steel pipe 3a of the first steel pipe section 31 on the upper portion is respectively inserted into the corresponding installation hole of the transition section 2, and then the high-strength grouting material L is used for filling gaps (30-50 mm gaps) of the connection cavity.
In this embodiment, the steel pipes 3a are transported by a plurality of single bodies; the connecting support 4 may be assembled and welded as a whole or divided into a plurality of parts according to transportation conditions. As shown in fig. 3-5, each layer of the connection support 4 comprises a plurality of sleeves 4-1 and a plurality of connection pipes 4-3, the number of the sleeves 4-1 is the same as that of the connection pipes 4-3, and each sleeve 4-1 is fixedly connected with one connection pipe 4-3. Each connecting pipe 4-3 is a bent steel pipe with a shape close to an L, and can be divided into two linear branch pipes 4 a. The branch pipes 4a of the connecting pipes 4-3 are respectively sleeved with small sleeves 4-4 in advance. It should be noted that the connecting tube 4-3 of the present invention is not limited thereto, as long as the adjacent two sleeves 4-1 can be fixedly connected.
The connecting pipes 4-3 corresponding to the two adjacent casings 4-1 are fixedly connected (e.g. welded) so that the two casings 4-1 are also fixedly connected, and after the two connecting pipes 4-3 are fixedly connected, a cross steel pipe 405 is integrally formed, and the cross steel pipe 405 can be divided into four sections of branch pipes 4 a.
As shown in fig. 4-5, two adjacent connecting pipes 4-3 are fastened by cross-shaped fastening plates 4-2 respectively placed at the upper and lower ends thereof. The cross pinch plates 4-2 at the upper end and the lower end are respectively of a semicircular structure, the cross pinch plates 4-2 at the upper end and the lower end are matched and buckled together to form a complete cross tubular structure, and the cross tubular structure can be divided into four sections of branch pipes 4 b.
The small sleeves 4-4 pre-sleeved on the branch pipes 4a can be sleeved on the outer sides of four sections of branch pipes 4b of the cross-shaped tubular structure by moving, wherein one side of each small sleeve 4-4 is sleeved on the outer side of the corresponding branch pipe 4b, and the other side is sleeved on the outer side of the branch pipe 4 a. Further, the small sleeves 4-4, the cross buckle plates 4-2 and the connecting pipes 4-3 are combined into a whole by grouting and filling in the small sleeves 4-4, so that two adjacent sleeves 4-1 are combined into a whole.
As shown in fig. 1, each layer of the steel pipe section 3 contains a plurality of steel pipes 3a and is formed in a conical or cylindrical shape around one turn. The connection support 4 of each layer comprises a plurality of sleeves 4-1. The steel pipes 3a of the upper layer steel pipe section 3 and the lower layer steel pipe section 3 are respectively embedded in the corresponding sleeves 4-1 of the middle connecting support 4, so that the connecting effect of the steel pipe sections 3 and the connecting supports 4 is realized.
Preferably, the steel pipes 3a of the steel pipe section 3 are intermittently welded with shear keys J at the outer sides of both ends in the length direction thereof, and the sleeves 4-1 of the connecting supports 4 are also intermittently welded with shear keys J at the inner sides of both ends in the length direction thereof, and respectively matched with the shear keys J of the steel pipes 3a corresponding to the upper and lower sides thereof. In addition, after inserting the corresponding steel pipe 3 into each casing 4-1 on the connecting support 4, grouting is performed for enhancing the combination and force transmission.
In this embodiment, the diameters and the total number of the steel pipes 3a of the multi-layer steel pipe segment 3 are set as required. Illustratively, the total number N of steel pipes 3a is equal to m1 · m 2; m1 represents the number of individual steel tubes in each layer of steel tube segments and m2 represents the number of layers of steel tube segments. The linking struts 4 of each layer comprise m1 sleeves 4-1 and m1 linking tubes 4-3. Preferably, the total number of steel pipes 3a is 32(4 times 8), i.e. comprising four layers of steel pipe sections 3, each layer of steel pipe sections 3 comprising 8 steel pipes 3 a; the linking struts 4 of each layer comprise 8 sleeves 4-1 and 8 linking tubes 4-3.
As shown in fig. 1-2, the steel pipe 3 is a first steel pipe section 31, a second steel pipe section 32, a third steel pipe section 33, and a fourth steel pipe section 34 from top to bottom, and the connection support 4 is a first connection support 41, a second connection support 42, and a third connection support 43 from top to bottom. A first connecting support 41 is arranged between the first steel pipe section 31 and the second steel pipe section 32, a second connecting support 42 is arranged between the second steel pipe section 32 and the third steel pipe section 33, and a third connecting support 43 is arranged between the third steel pipe section 33 and the fourth steel pipe section 34.
The fourth steel pipe section 34 of the bottommost section is inserted into the annular foundation 5 (e.g., annular concrete foundation 5); the steel pipe 6 (foundation embedded pipe) is also embedded in the annular foundation 5. After the fourth steel pipe section 34 is inserted into the annular foundation 5, the fourth steel pipe section 34 and the annular foundation 5 are connected in a filling mode on site through the high-strength grouting material L. The annular foundation 5 has less excavation engineering quantity and can be buried deeply, so that the advantages of the gravity foundation and the pile foundation are considered.
In the installation process, the steel pipe sections 3 and the connecting supports 4 thereon of all layers are firstly assembled into a combined section on the ground, as shown in fig. 6 a-6 g, the fourth steel pipe section 34 and the third connecting support 43 thereon are assembled into a whole, which is denoted as a first combined body 601, the third steel pipe section 33 and the second connecting support 42 thereon are assembled into a whole, which is denoted as a second combined body 602, the second steel pipe section 32 and the first connecting support 41 thereon are assembled into a whole, which is denoted as a third combined body 603, and the first steel pipe section 31 and the transition section 2 thereon are assembled into a whole, which is denoted as a fourth combined body 604.
It should be noted that fig. 6a to fig. 6h are schematic structural diagrams of each layer of steel pipe section and each layer of connecting support of the tubular pile composite tower according to the present invention, respectively. The first combination body 601, the second combination body 602, the third combination body 603, and the fourth combination body 604 are all schematic diagrams after being assembled and formed. The specific method for combining and forming each combination body is as follows:
the third connecting support 43 in the shape of an inverted cone has its large end facing upward, the steel pipes 3a of the fourth steel pipe section 34 are sequentially inserted into the casing 4-1 of the third connecting support 43 from the large end side from top to bottom, and then a high-strength grouting material L is poured into the gap between the steel pipe 3a of the fourth steel pipe section 34 and the casing 4-1 of the third connecting support 43, so that the fourth steel pipe section 34 and the third connecting support 43 become a combined section. Similarly, the second connecting support 42 in the shape of an inverted cone has its large end facing upward, and the steel pipes 3a of the third steel pipe section 33 are sequentially inserted into the casing 4-1 of the second connecting support 42 from the large end side from top to bottom, and then the high-strength grouting material L is poured into the gap between the steel pipe 3a of the third steel pipe section 33 and the casing 4-1 of the second connecting support 42, so that the third steel pipe section 33 and the second connecting support 42 become a combined section. Similarly, the first connecting support 41 in the shape of an inverted cone has its large end facing upward, and the steel pipes 3a of the second steel pipe section 32 are sequentially inserted into the casing 4-1 of the first connecting support 41 from the large end side from top to bottom, and then the high-strength grouting material L is poured into the gap between the steel pipe 3a of the second steel pipe section 32 and the casing 4-1 of the first connecting support 41, so that the second steel pipe section 32 and the first connecting support 41 become a combined section.
Similarly, the inverted conical transition section 2 has its large end facing upward, and each steel pipe 3a of the first steel pipe section 31 is sequentially inserted into the mounting hole of the transition section 2 from the large end side from top to bottom, and then the gap material of the connecting cavity is filled with the high-strength grouting material L, so that the first steel pipe section 31 and the transition section 2 become a combined section.
After all the combinations are assembled, the first combination 601, the second combination 602, the third combination 603 and the fourth combination 604 which are inverted are turned over by using a crane, and the combinations are sequentially lifted from bottom to top, namely the first combination 601, the second combination 602, the third combination 603 and the fourth combination 604 are sequentially lifted. The installation of the conical tower cylinder 100 of the utility model complies with the installation scheme of the prior art, for example, after the wind power tower cylinder is transported to the site, the wind power tower cylinder is sequentially lifted section by section from bottom to top, and is slowly placed on the next section of flange through the vertical hoisting of a large crane, and the flange bolt holes and the connecting bolts are aligned; and repeating the steps to finish the hoisting connection of all tower sections and finish the installation of the tower barrel.
The utility model provides an installation method of wind-powered electricity generation tubular pile composite tower contains following process:
(1) firstly, pouring the annular foundation 5, and embedding the steel pipe 6 and the prefabricated cavity on the annular foundation;
(2) welding the connecting support 4 into a whole in a factory or separating the connecting support 4 into a plurality of parts for transportation, and transporting the steel pipes 3a for a plurality of monomers;
(3) transporting the steel pipe 3a, the connecting support 4, the conical tower section and the like to the site;
(4) when the connection support 4 is divided into a plurality of parts, the divided connection support 4 is assembled: the small sleeves 4-4 are sleeved on the branch pipes 4a of the connecting pipes 4-3 in advance; meanwhile, the position of a connecting pipe 4-3 (half body) on two sleeves 4-1 is adjusted on site, after two half-shaped cross buckle plates 4-2 are installed, small sleeves 4-4 which are sleeved on the connecting pipe 4-3 in advance are moved to be sleeved outside the cross buckle plates 4-2 in the axial direction, the cross buckle plates 4-2 of the two half bodies form a whole of a cross tubular structure, then grouting filling is carried out in the small sleeves 4-4, and the small sleeves 4-4, the cross buckle plates 4-2 and the connecting pipe 4-3 are combined into a whole, so that two adjacent sleeves 4-1 are combined into a whole;
(5) the connecting supports 4 in the shape of an inverted cone enable the large ends of the connecting supports to face upwards, and the steel pipes 3a are inserted into the sleeves 4-1 in sequence from one side of the large ends; pouring a high-strength grouting material L in a cavity gap between the steel pipe 3a and the sleeve 4-1, changing the steel pipe 3a and the connecting support 4 into a combined section, and performing next operation after the grouting material strength is 100%;
(6) according to the step (3), the step (4) and the step (5), assembling and combining the rest steel pipe sections 3 and the connecting supports 4 and assembling and combining the first steel pipe section 31 and the transition section 2, and completely completing standby application;
(7) the combination of the inverted steel pipe section 3 and the connecting support 4 and the combination of the first steel pipe section 31 and the transition section 2 are turned over by a crane, as shown in fig. 6 a-6 g, in the following order: hoisting the first combination body 601 at the lowest section, and slowly moving the first combination body to face the upper pore canal of the annular foundation 5 so that the steel pipe 3a of the fourth steel pipe section 34 is inserted into the prefabricated hole of the annular foundation 5;
(8) then hoisting other combined bodies (a second combined body 602, a third combined body 603 and a fourth combined body 604) of the tubular pile tower is completed in sequence, so that all the steel pipes 3a of the steel pipe sections 3 corresponding to the combined bodies are respectively inserted into the corresponding sleeves 4-1 of the connecting supports 4; and after the geometric accuracy (verticality and levelness) of the steel tube tower is adjusted, high-strength grouting connection is performed on the connecting cavities of all the combined bodies.
(9) Wait for grout intensity to reach 50% after, carry out the installation of conical tower section of thick bamboo 100, this mounting method follows the mounting method of traditional tower section of thick bamboo, the utility model discloses do not describe here any more.
(10) After the installation, the tubular pile composite tower is shown in fig. 1.
Example two:
as another embodiment of the present invention, as shown in fig. 7 and fig. 8, the steel pipe section in the first embodiment is replaced with a steel-concrete composite pipe 3 (generally called a precast pile), and meanwhile, since the steel pipe can transmit the pulling force or the pressure, but the precast concrete pile (or the concrete member) can generally transmit the pressure, a prestressed cable is added in the center of the precast pile to transmit the pulling force generated by the tower; in addition, in this embodiment, the connection support in the first embodiment is changed to the precast concrete ring 4, the precast concrete ring is provided with the corresponding mounting hole, and after the steel pipe of the precast pile is inserted into the mounting hole of the precast concrete ring, the high-strength grouting material L is uniformly used to pour all the connection cavities.
To sum up, the utility model discloses a tubular pile structure can adapt to high-power wind turbine generator system pylon, high pylon rigidity and bearing capacity needs, and the diameter is not transported limitedly at the bottom of the tower, and pylon rigidity is big. The tower of the utility model has simple structure, the tower and the foundation are connected without anchor bolts, the steel pipe tower is connected in grouting, and the steel pipe tower is connected without bolts, thus reducing the processing difficulty of the workpiece; the utility model discloses a steel pipe and support are connected and are transported the on-the-spot installation, and the transportation is convenient.
While the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood that the above description should not be taken as limiting the present invention. Numerous modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (10)
1. A tubular pile composite tower, comprising:
an upper tower (100);
a lower tower (200) comprising a plurality of support sections and a connecting member connected between any two adjacent support sections, wherein the top support section of the tower (200) is connected with the tower (100) through a transition section (2); the top supporting section is connected with the transition section in a grouting manner, and/or at least one layer of connecting piece is connected with the supporting section connected with the connecting piece in a grouting manner; the support section of each layer comprises a plurality of individual tubes and is surrounded to form a corresponding one of the tube sections.
2. The tubular pile composite tower of claim 1,
the transition section (2) is connected between the top support section of the tower (200) and the bottom tower section structure of the tower (100);
the top supporting section comprises a plurality of single tubes and is respectively inserted into a plurality of mounting holes at the lower part of the transition section (2) for connection;
and a gap of a connecting cavity between the single pipe of the top supporting section and the mounting hole of the transition section (2) is filled with high-strength grouting material (L).
3. The tubular pile composite tower of claim 1,
the supporting section is a steel pipe section;
and/or the support section is a steel-concrete composite pipe.
4. The tubular pile composite tower of claim 3,
the connecting piece is the joint support and includes: at least two first sleeves (4-1) which are respectively sleeved on the outer sides of a plurality of single pipes of the steel pipe section; a sleeve connecting structure for connecting two adjacent first sleeves (4-1);
and/or the connecting piece is a prefabricated ring and is provided with a plurality of mounting holes for matching with the steel pipe of the steel-concrete composite pipe.
5. The tubular pile composite tower of claim 4,
the sleeve connecting structure comprises two connecting pipes (4-3) with bent structures and is fixedly connected, and the two connecting pipes (4-3) on any one sleeve connecting structure are integrally a cross steel pipe (405);
the cross-shaped buckling plates (4-2) of the half-body structures are respectively arranged at the upper end and the lower end of the sleeve connecting structure, and the cross-shaped buckling plates (4-2) at the upper end and the lower end of the sleeve connecting structure are matched and buckled together to form a cross-shaped tubular structure matched with the cross-shaped steel pipe (405).
6. The tubular pile composite tower of claim 5,
each connecting pipe (4-3) is divided into two sections of first branch pipes (4a) with a set included angle, and the cross steel pipe (405) is divided into four sections of first branch pipes (4 a);
the cross-shaped tubular structure is divided into four sections of second branch pipes (4 b);
two sections of first branch pipes (4a) of the connecting pipe (4-3) are respectively provided with a second sleeve (4-4) in advance, and the cross-shaped pinch plates (4-2) at the upper end and the lower end are fixedly connected through the second sleeves (4-4); one side of the second sleeve (4-4) is sleeved on the outer side of the first branch pipe (4a), and the other side of the second sleeve is sleeved on the outer side of the second branch pipe (4 b);
and a connecting cavity between the second sleeve (4-4) and the first branch pipe (4a) and/or a connecting cavity between the second sleeve (4-4) and the second branch pipe (4b) are filled with high-strength grouting material (L).
7. The tubular pile composite tower of claim 4,
the outer sides of the two ends of the single pipe of the steel pipe section in the length direction are intermittently welded with first shearing keys, the inner sides of the two ends of the first sleeve (4-1) of the connecting support in the length direction are intermittently welded with second shearing keys, and the first shearing keys are matched with the second shearing keys.
8. The tubular pile composite tower of claim 4 or 7,
and a high-strength grouting material (L) is filled in a connecting cavity between the first sleeve (4-1) and the corresponding single pipe.
9. The tubular pile composite tower of claim 1,
any layer of support section is combined with the connecting piece on the support section in advance to form a whole.
10. The tubular pile composite tower of claim 1,
the bottom support section is inserted into an annular foundation (5), and an embedded steel pipe (6) is arranged in the annular foundation (5);
the bottom supporting section is connected with the annular foundation (5) through high-strength grouting material (L) in a filling mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020183985.7U CN212316969U (en) | 2020-02-19 | 2020-02-19 | Tubular pile composite tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020183985.7U CN212316969U (en) | 2020-02-19 | 2020-02-19 | Tubular pile composite tower |
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| CN212316969U true CN212316969U (en) | 2021-01-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814851A (en) * | 2021-01-15 | 2021-05-18 | 上海电气风电集团股份有限公司 | Split type truss mixed tower structure |
| CN113969692A (en) * | 2021-11-29 | 2022-01-25 | 重庆大学 | Lattice formula wind power tower convenient to transportation |
-
2020
- 2020-02-19 CN CN202020183985.7U patent/CN212316969U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814851A (en) * | 2021-01-15 | 2021-05-18 | 上海电气风电集团股份有限公司 | Split type truss mixed tower structure |
| CN113969692A (en) * | 2021-11-29 | 2022-01-25 | 重庆大学 | Lattice formula wind power tower convenient to transportation |
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