CN111287896A - Protective components for tower crane foundations for tower construction - Google Patents

Abstract

The invention discloses a protective assembly of a tower crane foundation for building a tower drum, wherein the tower drum comprises a tower drum foundation and a concrete tower drum arranged on the tower drum foundation, the tower crane foundation is arranged on one side of the outer side surface of the tower drum foundation along the radial direction, and the tower crane foundation comprises a bottom bearing platform which is integrally cast with the tower drum foundation; the connecting flange is arranged on the upper surface of the bottom bearing platform; the high-strength bolt is partially embedded in the bottom bearing platform and is connected with the connecting flange; the protection assembly is arranged above the bottom bearing platform and connected with the high-strength bolt, the protection assembly comprises a plurality of bolt caps, the bolt caps are sleeved at the upper end of the high-strength bolt and abut against the upper surface of the connecting flange, and the bolt caps and the high-strength bolt are arranged in a one-to-one correspondence manner; and the top cover plate is arranged at the tops of the bolt caps, and the relative positions of the top cover plate and the bolt caps are fixed. According to the protective component for the tower crane foundation for tower drum construction, the high-strength bolt can be protected.

Description

Protective components for tower crane foundations for tower construction

technical field

The present invention relates to the technical field of wind power generation, in particular to a protection component for a tower crane foundation used for tower construction.

Background technique

In the related art, with the increase of the power generation efficiency of the wind turbine, the length of the blade is getting longer and longer, and the height and cross-sectional size of the matching wind turbine tower are also increasing. Due to the high cost and difficult transportation of steel structure towers, it is difficult to meet the construction requirements of large cross-section and high towers. Precast concrete towers, on the other hand, enable the economical construction of large wind turbines. During the construction of the concrete tower, the individual towers are hoisted sequentially from bottom to top, and finally a complete concrete tower is constructed.

SUMMARY OF THE INVENTION

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide a tower crane foundation protection assembly for tower construction, which can protect the tower foundation to a certain extent.

According to an embodiment of the present invention, a tower crane foundation protection assembly for tower construction, the tower includes a tower foundation and a concrete tower provided on the tower foundation, and the tower foundation is set on the The outer side of the tower foundation is on one side along the radial direction, and the tower foundation includes: a bottom cap, which is integrally cast with the tower foundation; a connecting flange, which is provided on the The upper surface of the bottom cap is used to connect the tower crane; high-strength bolts, a part of the high-strength bolts are pre-buried in the bottom cap, the high-strength bolts are connected with the connecting flange, and the high-strength bolts include A plurality of the high-strength bolts are arranged at intervals; the protective assembly is arranged above the bottom platform and connected with the high-strength bolts to protect the high-strength bolts, and the protective assembly includes: a plurality of bolt caps , the bolt cap covers the upper end of the high-strength bolt and stops against the upper surface of the connecting flange, and the bolt cap and the high-strength bolt are arranged in one-to-one correspondence; the tops of the plurality of bolt caps, and the relative positions of the top cover plate and the plurality of bolt caps are fixed.

According to the protective assembly of the tower crane foundation for tower construction according to the embodiment of the present invention, the tower crane foundation is arranged on one side of the outer side of the tower foundation along the radial direction, and the bottom cap and the tower foundation are integrally casted Forming, thus, the integrity of the tower crane foundation can be ensured, the bearing capacity of the tower crane foundation can be improved, and the safety and reliability of the tower crane can be ensured. In addition, after the tower crane is disassembled from the tower crane foundation, the high-strength bolts can also be protected by the protective components.

In addition, the protective assembly for the tower crane foundation for tower construction according to the above embodiments of the present invention also has the following additional technical features:

According to some embodiments of the present invention, the bolt cap is a rubber part or a plastic part, and the bolt cap is an interference fit with the high-strength bolt.

Optionally, the top cover plate is configured in an umbrella shape with a middle part protruding upward, so that the top cover plate can protrude from the ground after being filled with soil, and the top cover plate includes: a plate body; The protruding portion is arranged on the upper surface of the plate body and protrudes upward.

According to some embodiments of the present invention, the part of the high-strength bolts pre-embedded into the bottom cap is also connected with a reinforcing member, and the reinforcing member is arranged perpendicular to the high-strength bolt to improve the anchoring capacity of the tower crane foundation .

Further, the reinforcing member is a steel bar pre-buried in the bottom platform, the steel bar is welded with the high-strength bolt, the diameter of the high-strength bolt is D, and the length L of the steel bar is 4D-10D. within the range.

Optionally, the distance that the upper surface of the bottom cap is lower than the upper surface of the tower foundation is 200-300 mm.

Further, a radiator foundation is also provided on one side of the outer side of the tower foundation along the radial direction, the radiator foundation is arranged adjacent to the tower crane foundation, and the upper surface of the radiator foundation is connected to the tower. The upper surface of the barrel foundation is flush.

Further, in the longitudinal section of the tower, the tower base is configured as a trapezoid, and the radiator base is configured as a triangle.

Optionally, the concrete tower is formed by splicing a plurality of arc-shaped concrete tower sections with each other.

Additional aspects and advantages of the present invention will be set forth, in part, from the following description, and in part will be apparent from the following description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of embodiments taken in conjunction with the accompanying drawings, wherein:

1 is a schematic diagram of a tower crane foundation for tower construction according to an embodiment of the present invention;

2 is another schematic diagram of a tower crane foundation for tower construction according to an embodiment of the present invention;

Fig. 3 is a partial enlarged view of the part circled in Fig. 2;

4 is a schematic diagram of a protective assembly for a tower crane foundation for tower construction according to an embodiment of the present invention, wherein the tower crane has been disassembled from the tower crane foundation in the illustrated position;

FIG. 5 is a partial enlarged view of the portion circled in FIG. 4 .

Reference number:

Tower Crane Foundation 100 for Tower Construction,

Bottom cap 1, the upper surface 11 of the bottom cap 1, the outer side 12 of the bottom cap 1, the connecting flange 2, the high-strength bolts 3, the reinforcement 4, the radiator foundation 5, the upper surface 51 of the radiator foundation 5,

The foundation base 210, the tower foundation 220, the outer side surface 221 of the tower foundation 220, the outer peripheral surface 222 of the tower foundation 220, the upper surface 223 of the tower foundation 220,

guard assembly 300,

Bolt cap 310 , top cover plate 320 , plate body 321 , convex portion 322 .

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present invention, and should not be construed as a limitation of the present invention.

The following describes a protective assembly 300 for a tower crane foundation for tower construction according to an embodiment of the present invention with reference to FIGS. 1-5 . Tower crane is tower crane, referred to as tower crane.

Specifically, a tower crane foundation protection assembly 300 for tower construction according to an embodiment of the present invention, the tower includes a tower foundation 220 and a concrete tower, and the concrete tower is provided on the tower foundation 220 .

For example, in some embodiments, the tower foundation 220 may be a solid structure. Optionally, the interior of the tower foundation 220 may also be a hollow frustum-shaped structure, and the specific structural form of the tower foundation 220 is not limited in this application. , which can be adaptively set as required in practical applications.

The cross section of the concrete tower can be circular or polygonal. When the cross section of the concrete tower is a polygon, the radial dimension of the concrete tower refers to the maximum circumscribed circle of the concrete tower. diameter, which will be understood by those skilled in the art.

The tower crane foundation 100 may be provided on one side of the outer side surface 221 of the tower base 220 in the radial direction. Schematically and without limitation, FIG. 2 shows an embodiment in which the tower base 100 is provided in the left side of the outer side surface 221 of the tower base 220 in the radial direction.

The tower crane foundation 100 includes: a bottom cap 1 , a connecting flange 2 and high-strength bolts 3 . Specifically, the bottom cap 1 and the tower base 220 can be casted integrally, which is beneficial to reduce the construction workload of the tower crane base 100, thereby shortening the construction period. The connecting flange 2 can be provided on the upper surface 11 of the bottom platform 1 , so that the tower crane 101 can be further connected to the tower crane foundation 100 . A part of the high-strength bolts 3 are pre-buried in the bottom cap 1, and the high-strength bolts 3 are connected with the connecting flange 2, and the high-strength bolts 3 include a plurality of high-strength bolts 3 arranged at intervals. Therefore, the tower crane 101 is not only convenient for the installation and disassembly of the tower crane 101, but also helps to improve the installation stability of the tower crane 101, and the use reliability is good.

According to the tower crane foundation 100 for tower construction according to the embodiment of the present invention, the tower crane foundation 100 is arranged on one side of the outer side surface 221 of the tower foundation 220 along the radial direction, and the bottom cap 1 is connected to the tower foundation. 220 is integrally cast and formed, thus, the integrity of the tower crane foundation 100 can be ensured, the bearing capacity of the tower crane foundation 100 can be improved, and the safety and reliability of the tower crane 101 can be ensured.

4 and 5 , according to the protective assembly 300 of the tower crane foundation for tower construction according to the embodiment of the present invention, the protective assembly 300 is arranged above the bottom platform 1, and the protective assembly 300 can be connected with the high-strength bolts 3, In this way, the high-strength bolt 3 can be protected by the guard assembly 300 .

According to the protection assembly 300 of the tower crane foundation for tower construction according to the embodiment of the present invention, after the tower crane 101 is disassembled from the tower foundation 100, the protection assembly 300 can avoid high-strength bolts pre-buried in the bottom cap 1 3. Corrosion and collision, etc., so that the high-strength bolts 3 can be protected. Therefore, when the tower is in normal use, the protection components 300 can be used to protect the high-strength bolts 3.

4 and 5 , according to some embodiments of the present invention, the guard assembly 300 may include multiple groups, and each group of guard assemblies 300 includes: a top cover plate 320 and a plurality of bolt caps 310 . Specifically, the bolt caps 310 can be fitted over the upper ends of the high-strength bolts 3 , and the lower ends of the bolt caps 310 can abut against the upper surface of the connecting flange 2 . The top cover plate 320 is provided on top of the plurality of bolt caps 310 , and the relative positions of the top cover plate 320 and the plurality of bolt caps 310 are fixed. Thus, the protection of the tower crane foundation 100 can be achieved by the protection assembly 300 .

Further, the bolt cap 310 may be a rubber part or a plastic part, and the bolt cap 310 is in an interference fit with the high-strength bolt 3 . Therefore, through the cooperation between the bolt cap 310 and the high-strength bolt 3 , it is convenient to realize a reliable connection between the bolt cap 310 and the high-strength bolt 3 , so that the protection of the high-strength bolt 3 can be better achieved.

Optionally, referring to FIG. 5 , the top cover plate 320 may be configured into an umbrella shape with a central upwardly protruding upwards, so that the top cover plate 320 can protrude from the ground after filling with soil, and the top cover plate 320 includes: a plate body 321 and a convex The protruding portion 322 is provided on the upper surface of the plate body 321 and protrudes upward. Therefore, when the tower crane foundation 100 is filled with soil, the top of the top cover plate 320 can protrude from the ground, so as to play a certain identification role, which is convenient for construction personnel to quickly find the position of the tower crane foundation 100 and facilitate construction.

Due to the large load of the tower crane 101, it is necessary to ensure the safety and reliability of the tower crane 101. According to some embodiments of the present invention, the part of the high-strength bolts 3 pre-embedded in the bottom cap 1 is also connected with reinforcements 4, and the reinforcements 4 are arranged perpendicular to the high-strength bolts 3 to improve the anchoring capacity of the tower crane foundation 100. Therefore, by arranging the reinforcement 4 on the high-strength bolts 3 , it is beneficial to improve the anchoring capacity of the tower crane foundation 100 , thereby improving the safety of the tower crane 101 .

Further, the reinforcing member 4 is a steel bar pre-embedded in the bottom platform 1 , and the steel bar can be welded with the high-strength bolt 3 . The steel bars can be short steel bars, which is beneficial to reduce costs. Further, the diameter of the high-strength bolt 3 is D, and the length L of the steel bar is in the range of 4D-10D. Therefore, by providing reinforcements 4 such as steel bars, not only the bearing capacity of the tower crane foundation 100 can be improved, but also the cost can be reduced.

Wherein, the length L of the steel bar may be 4D, 6D, 8D or 10D, etc., which is not specifically limited in the present invention. Of course, without considering the cost, the length of the reinforcing bar can be appropriately increased, and in some embodiments, the reinforcing member 4 can also be in other structural forms, etc., which can be understood by those skilled in the art.

2 and 3 , according to some embodiments of the present invention, in the axial direction of the tower (for example, the vertical direction shown in FIG. 3 ), the outer surface 12 of the bottom platform 1 and the tower foundation 220 are The outer peripheral surface 222 may be flush. As a result, the tower crane foundation 100 and the tower base 220 have good consistency, and the appearance is beautiful.

According to some embodiments of the present invention, the upper surface 11 of the bottom platform 1 may be set lower than the upper surface 223 of the tower foundation 220; the distance between the upper surface 11 of the bottom platform 1 and the upper surface 223 of the tower foundation 220 is 200-300mm. Therefore, when the tower crane 101 is installed on the tower crane foundation 100, the tower crane foundation 100 can be covered with soil, so that the tower crane foundation 100 can be hidden by the soil, and the appearance is beautiful.

The distance between the upper surface 11 of the bottom platform 1 and the upper surface 223 of the tower foundation 220 may be 200mm, 230mm, 250mm, 280mm or 300mm, etc., which is not specifically limited in the present invention.

In addition, in some optional embodiments, the upper surface 11 of the bottom platform 1 may also be flush with the upper surface 223 of the tower foundation 220 .

Further, referring to FIG. 3 , the outer side surface 221 of the tower base 220 can also be provided with a radiator base 5 on one side in the radial direction, a radiator can be installed on the radiator base 5, and the radiator base 5 can be adjacent to the tower crane base 100 The upper surface 51 of the radiator base 5 can be set higher than the upper surface 11 of the bottom platform 1 , and the upper surface 51 of the radiator base 5 can be flush with the upper surface 223 of the tower base 220 . Therefore, the arrangement of the tower base 100 and the radiator base 5 on the tower base 220 is more compact and beautiful.

Further, referring to FIG. 3 , in the longitudinal section of the tower, the tower base 100 is configured as a trapezoid, and the radiator base 5 is configured as a triangle. Therefore, the arrangement of the tower base 100 and the radiator base 5 on the tower base 220 is made more compact.

In some embodiments of the present invention, referring to FIGS. 2 and 3 , the bottom of the tower foundation 220 may further be provided with a foundation base 210 , and the foundation base 210 and the tower foundation 220 may be integrally cast. The foundation base 210 is configured as a conical shape that shrinks inward in the top-to-bottom direction, and the maximum lateral dimension of the base base 210 may be greater than the lateral maximum dimension of the tower base 220, which is beneficial to improve the tower to a certain extent. The stability of the cylinder foundation 220 is beneficial to further improve the reliability of the concrete tower.

According to some embodiments of the present invention, the connecting flanges 2 include at least four, and the at least four connecting flanges 2 are arranged in a quadrangle such as a rectangle or the like. Therefore, the reliable connection between the tower crane foundation 100 and the tower crane 101 is easily achieved through the connection flange 2 .

According to some embodiments of the present invention, the concrete tower may be formed by splicing a plurality of arc-shaped concrete tower sections with each other. Therefore, the construction of the concrete tower is facilitated, and the cost is reduced.

Wherein, the concrete tower can be connected with the tower foundation 220 by connecting parts such as bolts with higher strength. In some optional embodiments, the concrete tower can also be a segmented straight tower or the like.

According to the tower crane foundation 100 for tower construction according to the embodiment of the present invention, by disposing the tower crane foundation 100 on the tower base 220, the integrity of the tower crane foundation 100 can be ensured, and the construction workload of the tower crane foundation 100 can be reduced. , to improve the bearing capacity of the tower crane foundation 100.

Other structures and operations of the tower crane foundation 100 for tower construction and the shield assembly 300 according to the embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail here.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "upper", "lower", "front", "rear", "left", " The orientation or position relationship indicated by "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. is Based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood to limit the present invention.

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "exemplary embodiment," "example," "specific example," or "some examples", etc., is meant to incorporate the embodiments A particular feature, structure, material, or characteristic described by an example or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, The scope of the invention is defined by the claims and their equivalents.

Claims (9)

1. A protection component for tower crane foundation that tower section of thick bamboo was built, its characterized in that, a tower section of thick bamboo includes tower section of thick bamboo basis and establishes the concrete tower section of thick bamboo on tower section of thick bamboo basis, tower crane foundation establishes in the radial one side of the lateral surface of tower section of thick bamboo basis, tower crane foundation includes:

the bottom bearing platform and the tower drum foundation are integrally cast;

the connecting flange is arranged on the upper surface of the bottom bearing platform and is used for connecting the tower crane;

the high-strength bolts are partially embedded in the bottom bearing platform, are connected with the connecting flange and comprise a plurality of high-strength bolts, and the high-strength bolts are arranged at intervals;

protection component locates the top of bottom cushion cap and with the bolt that excels in links to each other in order to protect the bolt that excels in, protection component includes:

the bolt caps are sleeved at the upper ends of the high-strength bolts and abut against the upper surfaces of the connecting flanges, and the bolt caps and the high-strength bolts are arranged in a one-to-one correspondence manner;

and the top cover plate is arranged at the tops of the bolt caps, and the relative positions of the top cover plate and the bolt caps are fixed.

2. The tower foundation protection assembly for tower construction according to claim 1, wherein the bolt cap is made of rubber or plastic and is in interference fit with the high-strength bolt.

3. The shielding assembly of a tower foundation for tower construction according to claim 1, wherein said top cover plate is configured as an umbrella with a middle portion protruding upward so that said top cover plate can protrude out of the ground after being filled with soil, said top cover plate comprising:

a plate body;

and the convex part is arranged on the upper surface of the plate body and protrudes upwards.

4. The tower crane foundation protection assembly for tower construction as claimed in any one of claims 1-3, wherein the portion of the high-strength bolt embedded in the bottom bearing platform is further connected with a reinforcement member, and the reinforcement member is arranged perpendicular to the high-strength bolt to improve the anchoring capability of the tower crane foundation.

5. The tower crane foundation protection assembly for tower construction according to claim 4, wherein the reinforcement is a steel bar pre-embedded into the bottom bearing platform, the steel bar is welded to the high-strength bolt, the diameter of the high-strength bolt is D, and the length L of the steel bar is within the range of 4D-10D.

6. The tower foundation protection assembly for tower construction as claimed in claim 4, wherein the upper surface of the bottom bearing platform is arranged lower than the upper surface of the tower foundation, and the distance between the upper surface of the bottom bearing platform and the upper surface of the tower foundation is 200mm and 300 mm.

7. The tower crane foundation protection assembly for tower construction as claimed in claim 6, wherein a heat sink foundation is further provided on the outer side surface of the tower crane foundation along one radial side, the heat sink foundation is disposed adjacent to the tower crane foundation, and the upper surface of the heat sink foundation is flush with the upper surface of the tower crane foundation.

8. The shielding assembly of a tower foundation for tower construction according to claim 7, wherein said tower foundation is configured as a trapezoid and said heat sink foundation is configured as a triangle in a longitudinal cross-section of said tower.

9. The tower foundation protection assembly for tower construction according to claim 4, wherein the concrete tower drum is formed by mutually splicing a plurality of arc-shaped concrete tower drum sections.

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