CN217104743U - Lower beam support of large-inclination-angle tower column - Google Patents

Abstract

The application relates to a bottom end rail support of big inclination column relates to bridge engineering construction technical field, and this bottom end rail support of big inclination column includes: the bottom parts of the two sides of the supporting mechanism are connected with the two lower tower columns; the transverse connecting mechanisms are provided with two groups which are mutually symmetrical, one end of each group of transverse connecting mechanisms is connected to one side of the supporting mechanism, and the other end of each group of transverse connecting mechanisms penetrates through the adjacent lower tower column and is connected to the outer side wall of the lower tower column; the truss mechanism is arranged along the transverse bridge direction and connected to the top of the support mechanism, the bottoms of two sides of the truss mechanism are respectively connected to the two lower tower columns, and the top surface of the truss mechanism is matched with the bottom surface of the lower cross beam to support the load during construction of the lower cross beam. The lower beam support of big inclination column of this application embodiment has solved the inconvenient, the long and higher problem of construction cost of lower beam support construction among the correlation technique.

Description

A lower beam support for a tower column with a large inclination angle

technical field

The application relates to the technical field of bridge engineering construction, and in particular to a lower beam support for a tower column with a large inclination.

Background technique

A cable tower refers to a tower-shaped structure that supports the main cables of a suspension bridge or cable-stayed bridge. There are many types of cable tower structures, which are mainly selected according to the arrangement requirements of the cables, the width of the bridge deck and the span of the main beam. Commonly used cable tower forms are single-column, A-shaped and inverted Y-shaped along the longitudinal direction of the bridge.

With the continuous improvement of modern bridge construction technology, the increasingly mature finite element theory, and the continuous progress of design concepts and construction equipment, in order to relieve the pressure of urban traffic and enhance the landscape effect of bridges, modern bridges are moving towards large-span, ultra-wide, Lightweight direction development. Various types of towers mutated on the basis of traditional towers have gradually appeared, such as curved towers, vase towers and other towers with large inclinations.

In order to facilitate the construction of the lower beam, it is necessary to install the lower beam bracket on the lower tower column first, and then remove the lower beam bracket after the construction of the lower beam is completed. Compared with the lower beam bracket of the traditional small-angle linear tower column, the lower tower column of the large-angle cable tower of the bridge is connected by a transverse connector, and the support position of the fulcrum of the lower beam bracket is limited; due to the large inclination angle of the lower tower column of the cable tower, During the construction of the lower tower column, the outer formwork of the tower column is subjected to a large lateral pressure, and it is necessary to provide support on the outer side of the formwork, and the construction period is long; and because the inner side of the lower tower column of the cable tower is gradually inclined inward, bent and connected with the lower beam, so the lower beam The curved section at the bottom close to the lower tower column is long, and the truss mechanism system of the lower beam support is complicated in shape and high in cost.

Utility model content

In view of one of the defects in the prior art, the purpose of the present application is to provide a lower beam support for a tower column with a large inclination to solve the problems of inconvenient construction, long construction period and high construction cost of the lower beam support in the related art.

In order to achieve the above purpose, the application provides a lower beam support for a tower column with a large inclination, comprising:

a support mechanism, the bottoms of the two sides are connected to the two lower towers;

Transverse connection mechanism, it is provided with two groups and is symmetrical with each other, one end of each group of the above-mentioned transverse connection mechanism is connected to one side of the above-mentioned support mechanism, and the other end passes through the adjacent lower column and is connected to the outer side wall of the lower column ;

The truss mechanism is arranged along the transverse bridge direction and is connected to the top of the support mechanism, the bottoms of the two sides of the truss mechanism are respectively connected to the two lower towers, and the top surface of the truss mechanism fits with the bottom surface of the lower beam, It is used to support the load of the lower beam during construction.

In some embodiments, the above-mentioned support mechanism includes two steel pipe columns and a connecting portion connecting the two steel pipe columns, and the two above-mentioned steel pipe columns are respectively vertically connected to the two lower towers through first embedded parts embedded in the lower tower columns. The top of the steel pipe column is connected to the truss mechanism.

In some embodiments, the above-mentioned truss mechanism is connected to the above-mentioned support mechanism through a plurality of first connecting components.

In some embodiments, the above-mentioned first connection component includes:

a first distribution beam, which is connected to the bottom of the above-mentioned truss mechanism;

The first steel wedge is connected to the lower end of the first distribution beam and is connected to the top of the support mechanism.

In some embodiments, the transverse connecting mechanisms of each group are established parallel to each other.

In some embodiments, each lateral connection mechanism includes:

a fixing piece, which is connected to the side wall of the steel pipe column away from the lower tower column through the spacer;

For the tie rod, one end of the tie rod passes through the lower column and is connected to the outer side wall of the lower column, and the other end passes through the steel pipe column and is connected with the above-mentioned fixing member.

In some embodiments, the above-mentioned truss mechanism is connected to the second embedded part embedded in the above-mentioned lower tower column through a plurality of second connecting components.

In some embodiments, the above-mentioned second connection component includes:

a corbel, which is connected to the upper end of the second embedded part;

the second steel wedge, which is connected to the upper end of the above-mentioned corbel;

The second distribution beam is connected between the second steel wedge and the truss mechanism.

In some embodiments, the above-mentioned truss mechanism includes:

an upper-layer truss, which includes a plurality of beret sheets and a first arc segment symmetrically connected to both sides of the plurality of beret sheets;

a lower truss, which includes a plurality of beret sheets and a second arc segment symmetrically connected to both sides of the plurality of beret sheets;

The top surface of the first arc-shaped segment and the top surface of the second arc-shaped segment not connected to the first arc-shaped segment form a curved surface.

In some embodiments, the number of beret sheets of the lower truss is two more than the number of beret sheets of the upper truss.

The beneficial effects brought by the technical solution provided by this application include:

The embodiment of the present application provides a lower beam support for a tower column with a large inclination, including a support mechanism, a transverse connection mechanism and a truss mechanism. The transverse connection mechanism is used to connect the support mechanism and the lower column, and the truss mechanism is arranged and connected along the transverse bridge direction. At the top of the support mechanism and the inner side of the lower tower, by setting the support mechanism on the two lower towers, and pulling the outer side wall of the lower tower through the lateral connection mechanism and the support mechanism, the outer mold of the lower tower with a large inclination can withstand the The side pressure of the truss is handed over to the lower beam bracket, avoiding the need to set supports at the outer mold of the lower tower column, shortening the construction period and reducing the construction cost; When the lower beam is poured, the bearing capacity of the truss mechanism is better. The truss mechanism has a large span and is only connected to the top of the support mechanism and the two lower towers, which reduces the supporting points of the lower beam bracket and saves the amount of steel structure. Reduced construction costs.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the drawings that are used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the installation schematic diagram of the lower beam support of the tower column with large inclination provided by the embodiment of the present application;

FIG. 2 is a schematic diagram of the cooperation of the support mechanism and the lateral connection mechanism in FIG. 1;

FIG. 3 is a schematic diagram of the cooperation between the second connection component and the second embedded part in FIG. 1;

Fig. 4 is the structural schematic diagram of the truss mechanism in Fig. 1;

Fig. 5 is the structural representation of the first arc segment in Fig. 4;

FIG. 6 is a schematic structural diagram of the second arc-shaped segment in FIG. 4 .

Reference number:

1. Lower the tower;

2. Supporting mechanism; 21. Steel pipe column; 22. Connection part; 23. First embedded part; 24. Second embedded part;

3. Transverse connecting mechanism; 31. Tie rod; 32. Fixing part; 33. Spacer;

4. Truss mechanism; 41. Upper truss; 411, Bailey sheet; 412, first arc segment; 42, lower truss; 421, second arc segment;

5. The first connecting assembly; 51. The first distribution beam; 52. The first steel wedge;

6. The second connecting assembly; 61, the corbel; 62, the second steel wedge; 63, the second distribution beam.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present application.

The embodiment of the present application provides a lower beam support for a tower column with a large inclination angle, which can solve the problems of inconvenient construction, long construction period and high construction cost of the lower beam support in the related art.

As shown in FIG. 1 , a lower beam support of a tower column with a large inclination provided by the embodiment of the present application includes a support mechanism 2, a transverse connection mechanism 3 and a truss mechanism 4. The bottoms of the two sides of the support mechanism 2 are connected to two lower beams. On the tower column 1, the above-mentioned transverse connection mechanisms 3 are provided with two groups and are symmetrical to each other, one end of each group of the above-mentioned transverse connection mechanisms 3 is connected to one side of the above-mentioned support mechanism 2, and the other end of the transverse connection mechanism 3 passes through the adjacent lower tower. Column 1 is attached to the outer side wall of the lower column.

Due to the large inclination angle of the two lower towers 1, during the construction of the lower towers, the outer formwork of the lower towers is subjected to a large lateral pressure, so it is necessary to provide support on the outside of the formwork, or to pull the outer formwork and the lower beam support towards each other. In this embodiment, the lower tower 1 is connected to the support mechanism 2 through the transverse connection mechanism 3, so that the lateral pressure on the outer mold of the lower tower is borne by the supporting mechanism on the lower beam bracket, so as to avoid the mold on the outer side of the lower tower. Supports are provided at all places, which shortens the construction period and reduces the construction cost.

The above-mentioned truss mechanism 4 is arranged along the transverse bridge direction and is connected to the top of the above-mentioned support mechanism 2. The bottoms of the two sides of the above-mentioned truss mechanism 4 are respectively connected to the two lower towers 1, and the top surface of the above-mentioned truss mechanism 4 is connected to the lower beam. The bottom surface is fit to support the load of the lower beam during construction.

It can be understood that the lower beam is located at the top of the two lower towers and connected to the two lower towers, and the lower end surface of the lower beam includes curved segments at both ends and a straight segment located in the middle of the two curved segments. Due to the large inclination angle of the lower tower, the curved section of the lower beam close to the lower tower is longer. The truss mechanism 4 is erected on the top of the support mechanism 2 and is fixedly connected with the two lower towers 1 to reduce the truss mechanism. The number of fulcrums; the top surface of the truss mechanism 4 fits with the bottom surface of the lower beam, which not only makes the support of the lower beam more stable, but also facilitates the pouring construction of the lower beam and the dismantling of the support in the later stage.

Further, as shown in FIG. 2 , the above-mentioned support mechanism 2 includes two steel pipe columns 21 , a connecting portion 22 and two first embedded parts 23 , and the two first embedded parts 23 are respectively embedded on the two lower tower columns , the bottoms of the two steel pipe columns 21 are respectively vertically connected to the two lower tower columns through the first embedded parts 23, the tops of the two steel pipe columns 21 are connected to the above-mentioned truss mechanism 4, and the two above-mentioned steel pipe columns 21 pass through the above-mentioned The connecting parts 22 are connected together.

During the actual construction, before pouring the second section of concrete of the lower tower, a baffle plate is installed at the setting position of the first embedded part 23 to form a reserved space as a post-casting section, and the first embedded part is installed at the post-casting section. 23 and pouring, and then connect the bottom of the steel pipe column 21 with the first embedded part 23 by welding, so that the steel pipe column 21 can be stably connected to the lower tower column.

Further, the above-mentioned truss mechanism 4 is connected to the above-mentioned support mechanism 2 through a plurality of first connecting components 5 .

In this embodiment, the number of the first connecting components is two, one end of each first connecting component is connected to the top of the steel pipe column 21 , and the other end of each first connecting component is connected to the bottom of the truss mechanism 4 .

Further, as shown in 2, the first connection assembly 5 includes a first distribution beam 51 and a first steel wedge 52, the first distribution beam 51 is connected to the bottom of the truss mechanism 4, and the first steel wedge 52 Connected to the lower end of the first distribution beam 51 and the top of the support mechanism 2 .

The function of setting the first steel wedge 52 and the first distribution beam 51 not only makes the connection between the truss mechanism 4 and the support mechanism 2 more stable, but also the first steel wedge 52 is used as a removal device to facilitate the disassembly of the support in the later stage. The first distribution beam is hoisted on the first steel wedge, and the first steel wedge is connected with the support mechanism by welding.

Further, as shown in FIG. 2 , the transverse connection mechanisms 3 of each group are set up in parallel with each other.

In this embodiment, the number of transverse connection mechanisms 3 in each group is three, and the three transverse connection mechanisms are parallel to each other and are all horizontal to the ground. It can be understood that the horizontal connection method is adopted, so that the pulling effect between the lower tower column and the supporting mechanism is better.

Further, as shown in FIG. 2 , each transverse connection mechanism 3 includes a pair of tie rods 31 , a fixing piece 32 and a spacer block 33 , and the above-mentioned fixing piece 32 is connected to the side wall of the steel pipe column 21 away from the lower tower column 1 through the above-mentioned spacer block 33 . Above, one end of the pair of tie rods 31 passes through the lower column 1 and is connected to the outer side wall of the lower column 1 , and the other end of the pair of tie rods 31 is connected to the above-mentioned fixing member 32 .

It can be understood that the steel pipe column 21 is a cylindrical structure, so in order to make the connection between the tie rod 31 and the steel pipe column 21 more stable and stable, it is necessary to add a spacer between the fixing member 32 and the tie rod 31 to increase the load on the steel pipe column. force area, improve the stability of the connection. During specific construction, it is necessary to reserve bolt holes on the outer formwork of the lower tower column, so that the pair of tie rods 31 can be connected to the outer formwork of the lower tower column through the reserved bolt holes of the lower tower column.

In this embodiment, the fixing member 32 is a double channel steel, which is fixedly connected to the spacer block 33 by welding.

Further, the above-mentioned truss mechanism 4 is connected with the second embedded parts 24 embedded in the above-mentioned lower tower column 1 through a plurality of second connecting components 6 .

During actual construction, install the second embedded part 24 in the reserved space at the chamfer of the connection between the lower tower column and the lower beam, weld the bottom of the second connecting component 6 to the second embedded The above-mentioned truss mechanism 4 is connected to the top, so that the truss mechanism is stably connected to the lower tower.

Further, as shown in FIG. 3 , the second connecting assembly 6 includes a corbel 61 , a second steel wedge 62 and a second distribution beam 63 . The corbel 61 is connected to the upper end of the second embedded part 24 , and the above The second steel wedge 62 is connected to the upper end of the corbel 61 , and the second distribution beam 63 is connected between the second steel wedge 62 and the truss mechanism 4 .

It can be understood that the second steel wedge 62 is used as a dismounting device to facilitate dismounting of the support in the later stage. The second distribution beam 63 is hoisted on the second steel wedge 62, and the second steel wedge 62 is connected with the corbel 61 by welding.

Further, as shown in FIG. 4 , the above-mentioned truss mechanism 4 includes an upper-layer truss 41 and a lower-layer truss 42 , and the above-mentioned upper-layer truss 41 includes a plurality of belay sheets 411 and a first arc segment symmetrically connected on both sides of the plurality of belay sheets 412; the above-mentioned lower truss 42 includes a plurality of beret sheets 411 and a second arc-shaped section 421 symmetrically connected on both sides of the plurality of beret-shaped sheets; the top surface of the above-mentioned first arc-shaped section 412 and the above-mentioned second arc-shaped section 421 The top surface that is not connected with the first arc-shaped segment 412 forms a curved surface.

Since the curved section of the lower beam close to the lower tower column is relatively long, and the span of the lower beam is relatively large, the truss mechanism 4 is set as a double-layered structure including the Bailey sheet 411 , the first arc section 412 and the second arc section 421 . Layer truss, the first arc-shaped section 412 and the second arc-shaped section 421 are used to connect the two curved sections in combination, so that the top surface of the first arc-shaped section 412 and the second arc-shaped section 421 are not connected to the first arc-shaped section 412. The top surface connected by the arc segments 412 forms a curved surface, which fits with the curved segment of the lower beam. The upper end surface of the truss mechanism 4 forms a load-bearing curved surface as a whole, and supports the lower end surface of the lower beam.

In this embodiment, as shown in FIG. 5 and FIG. 6 , newly-made beret sheets are used as the first arc segment 412 and the second arc segment 421 , which is simple to manufacture and fits well with the curved surface segments. The plurality of Bailey sheets 411 , the first arc segment 412 and the second arc segment 421 are detachably connected by pins, which facilitates the dismantling and reversal of the truss mechanism after the construction of the lower beam is completed.

In actual construction, the lower truss 42 is placed on the first distribution beam 51 and the second distribution beam 63, and the lower truss 42 is fixed by the limiter, and then the bottom membrane system of the lower beam is hoisted to the truss mechanism 4 in blocks. The top, and the limiter is welded on the bottom film to make it fixedly connected with the upper truss 41.

Preferably, the number of beret sheets of the lower truss 42 is two more than the number of beret sheets of the upper truss 41 .

As shown in FIG. 4 , the two sides of the lower truss 42 have one more beret than the upper truss 41 , so that the upper truss 41 is combined to form a left-right symmetrical double-layer structure. The number of the second arc segments 421 is as small as possible, so as to reduce the number of new berets and reduce the cost.

The working principle of the utility model is as follows: first embedded parts 23 are respectively installed in the second section of concrete of the two lower tower columns 1 , and the bottom ends of the two steel pipe columns 21 are welded to the two first embedded parts 23 respectively. The top of the steel pipe column 21 is connected together through the connecting part 22, the spacer 33 and the fixing piece 32 are installed on the side wall of the steel pipe column 21, and the outer mold of the lower tower column adjacent to the steel pipe column is installed. Open bolt holes, connect one end of the tie rod 31 to the outer mold of the lower tower column, and connect the other end to the fixing member 32, so as to form a pair of tension between the lower tower column 1 and the support mechanism 2, and lower the outer mold of the lower tower column to the lower beam. side pressure during construction; install the second embedded part 24 at the chamfer where the two lower tower columns 1 and the lower beam are connected, weld the bottom of the corbel 61 to the top of the second embedded part 24, and then Two steel wedges 62 are welded with the top of the corbel 61, and the second distribution beam 63 is hoisted on the second steel wedges 62, so as to form the second connecting assembly 6 for placing the truss mechanism 4, and connecting the plurality of berets The sheet 411, the two first arc segments 412, and the two second arc segments 421 are connected by pins to form a double-layered truss mechanism 4. The truss mechanism 4 is arranged along the transverse bridge direction, and is connected to the first arc through the limiter. The first distribution beam 51 is connected with the second distribution beam 63, so that the truss mechanism 4 is stably placed on the support mechanism 2 and the lower tower 1, and finally the bottom mold system of the lower beam is hoisted to the top of the truss mechanism 4 in blocks, through the limit After the construction of the lower beam is completed, the bottom formwork system is removed by lowering the height of the first steel wedge 52 and the second steel wedge 62, and then the truss mechanism 4 is removed. , a horizontal connection mechanism 3 and a support mechanism 2 .

A lower beam support for a tower column with a large inclination according to an embodiment of the present application, the lower beam bracket is set up on the lower tower column, and the support mechanism is connected to the outer side of the lower tower column through a plurality of transverse connection mechanisms, so as to connect the lower tower column with a large inclination angle. The lateral pressure of the outer formwork of the column is borne by the lower beam bracket, which solves the problem of setting supports at the outer formwork of the lower tower column and reduces the construction cost. It is small and has many fulcrums, which causes the problems of more steel structure consumption and complicated construction. It also fits well with the special curve of the curve section at the connection between the lower beam and the lower tower column, which is convenient for the pouring of the lower beam and the dismantling of the support in the later stage; By arranging embedded parts to connect the lower tower column and the lower beam bracket, the safety and precision problems of installing the lower beam bracket on the inclined lower tower column are solved.

In the description of this application, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the application and simplifying the description, Rather than indicating or implying that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, it should not be construed as a limitation on the application. Unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

It should be noted that, in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply Any such actual relationship or sequence exists between these entities or operations. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

The above descriptions are only specific embodiments of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, this application is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims (10)

1. the lower beam support of a large inclination angle tower column, is characterized in that, it comprises: a support mechanism (2), the bottoms on both sides of which are connected to two lower towers (1); A transverse connection mechanism (3), which is provided with two groups and is symmetrical with each other, one end of each group of the transverse connection mechanism (3) is connected to one side of the support mechanism (2), and the other end passes through the adjacent lower tower A column (1) is connected to the outer side wall of the lower column (1); A truss mechanism (4) is arranged along the transverse bridge direction and connected to the top of the support mechanism (2), and the bottoms on both sides of the truss mechanism (4) are respectively connected to the two lower towers (1) , the top surface of the truss mechanism (4) fits with the bottom surface of the lower beam, so as to support the load during construction of the lower beam. 2. the lower beam support of the large inclination angle tower column as claimed in claim 1, is characterized in that: The support mechanism (2) comprises two steel pipe columns (21) and a connecting portion (22) connecting the two steel pipe columns (21), and the two steel pipe columns (21) are respectively embedded in the lower tower column (1) by means of The inner first embedded part (23) is vertically connected to the two lower tower columns (1), and the top of the steel pipe column (21) is connected to the truss mechanism (4). 3. the lower beam support of the large inclination angle tower column as claimed in claim 1, is characterized in that: The truss mechanism (4) is connected with the support mechanism (2) through a plurality of first connection assemblies (5). 4. The lower beam support of a tower with a high inclination angle as claimed in claim 3, wherein the first connection assembly (5) comprises: a first distribution beam (51) connected to the bottom of the truss mechanism (4); A first steel wedge (52) is connected to the lower end of the first distribution beam (51) and is connected to the top of the support mechanism (2). 5. the lower beam support of the large inclination angle tower column as claimed in claim 1, is characterized in that: The transverse connecting mechanisms (3) of each group are set up in parallel with each other. 6. The lower beam support of the large-inclined tower column as claimed in claim 5, wherein each transverse connection mechanism (3) comprises: a fixing piece (32), which is connected to the side wall of the steel pipe column (21) away from the lower tower column (1) through a spacer block (33); One end of the tie rod (31) passes through the lower column (1) and is connected to the outer side wall of the lower column (1), and the other end passes through the steel pipe column (21) and is connected with the fixing member (32). 7. the lower beam support of the large inclination angle tower column as claimed in claim 1, is characterized in that: The truss mechanism (4) is connected to a second embedded part (24) embedded in the lower tower column (1) through a plurality of second connecting components (6). 8. The lower beam support of a tower with a high inclination angle according to claim 7, wherein the second connecting assembly (6) comprises: a corbel (61), which is connected to the upper end of the second embedded part (24); a second steel wedge (62), which is connected to the upper end of the corbel (61); A second distribution beam (63) is connected between the second steel wedge (62) and the truss mechanism (4). 9. The lower beam support for a tower with a high inclination angle according to claim 1, wherein the truss mechanism (4) comprises: an upper-layer truss (41), comprising a plurality of beret sheets (411) and a first arc segment (412) symmetrically connected to both sides of the plurality of beret sheets; a lower truss (42), which includes a plurality of beret sheets (411) and a second arc segment (421) symmetrically connected to both sides of the plurality of beret sheets; The top surface of the first arc-shaped segment (412) forms a curved surface with the top surface of the second arc-shaped segment (421) that is not connected with the first arc-shaped segment (412). 10. The lower beam support of the large inclination angle tower column as claimed in claim 9, is characterized in that: The number of beret sheets of the lower truss (42) is two more than the number of beret sheets of the upper truss (41).

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