CN221589272U - Cast-in-situ bent cap support - Google Patents

Abstract

The utility model discloses a cast-in-situ capping beam support, which is erected on the periphery of a pier column (1), and comprises a steel truss (2), a steel pipe column (3) and a cast-in-situ module (4), wherein the cast-in-situ module (4) is arranged at the upper end of the steel truss (2), the steel pipe column (3) is arranged at the lower end of the steel truss, a sand box (5) is arranged between the steel pipe column (3) and the steel truss (2), the steel truss comprises an upper chord member (2.1), a lower chord member (2.2) and a support truss (2.3), the upper chord member (2.1) is arranged between the support truss (2.3) and the cast-in-situ module (4), a plurality of fixing trusses (6) are arranged between the steel pipe column (3), a channel steel support (7) is arranged between the steel truss (2) and fixed through bolts, the cast-in-situ module (4) is placed at the upper end of the pier column (1), and the cast-in-situ capping beam (8) is arranged in the cast-in-situ module (4). The utility model provides a cast-in-situ bent cap support, which aims to realize the purposes of stable structure and convenient disassembly and assembly.

Description

Cast-in-situ bent cap support

Technical Field

The utility model relates to the technical field of cast-in-situ bent cap supports, in particular to a cast-in-situ bent cap support.

Background

In recent years, along with the large-scale construction of railway express way networks and the rapid development of bridge construction in China, a large number of large bridges are built across rivers and existing lines. The bent cap refers to a beam arranged at the top of a bent frame pile pier for supporting, distributing and transmitting the load of an upper structure, and a beam of reinforced concrete or less reinforced concrete is arranged on a pier (a table) or a bent pile and mainly used for supporting the upper structure of a bridge and transmitting the whole load to a lower structure; the existing cast-in-situ bent cap bracket needs to be built with a full scaffold during construction, and has the defects of long construction period, high labor cost and more time consumption during disassembly and assembly.

Disclosure of utility model

Aiming at the defects and shortcomings of the prior art, the utility model provides a cast-in-situ bent cap bracket, which is provided with the following technical scheme for realizing the purposes of stable structure and convenient disassembly and assembly.

The utility model provides a cast-in-place bent cap support, erects in pier column periphery, includes steel truss, steel-pipe column and cast-in-place module, steel truss upper end is provided with cast-in-place module, the lower extreme is provided with the steel-pipe column, the steel-pipe column with be provided with the sand box between the steel truss, the steel truss includes upper chord member, lower chord member and braced truss, the upper chord member sets up braced truss with cast-in-place module between the braced truss with the sand box, be provided with a plurality of fixed trusses between the steel-pipe column, be provided with the channel-section steel support between the steel truss and pass through the bolt fastening, cast-in-place module is placed pier column upper end, cast-in-place module internal pouring bent cap.

Compared with the prior art, the support disclosed by the utility model has the advantages that the steel truss is adopted as a prefabricated steel pipe support for construction, the steel truss can be integrally installed during construction, the construction period is saved, the steel truss can be recycled after the construction is completed, the green (environment-friendly and energy-saving) construction is realized, the steel truss is firm and stable in integral structure, the steel truss is safe and reliable during use, the workload of constructors during working can be reduced, the upper chord member is arranged between the support truss and the cast-in-situ module, the lower chord member is arranged between the support truss and the sand box, the stability of the steel truss is enhanced, and the support capability is greatly improved; be provided with the channel-section steel support and pass through the bolt fastening between the steel truss, can make the holistic steadiness of support promote once more, be provided with the sand box on the support, can carry out the level adjustment of support.

Further, the upper chord member is made of I50b I-steel, and the lower chord member is formed by splicing two I25b I-steel.

Through the improvement, the upper wire rod is I50b I-steel, so that the bearing capacity of the upper chord member can be improved, the lower chord member is formed by splicing two I25b I-steel, and compared with a single I-steel, the bearing capacity of the double-spliced I-steel can be improved.

Further, a first connecting block is arranged on the inner side of the upper chord member, a first connecting section is arranged at the upper end of the channel steel bracket, and the first connecting block and the first connecting section are fixed through bolts; the inner side of the lower chord member is provided with a second connecting block, the lower end of the channel steel bracket is provided with a second connecting section, and the second connecting block is fixed with the second connecting section through bolts.

Through the improvement, the channel steel bracket is made of channel steel, and has good mechanical function; meanwhile, the first connecting section at the upper end of the channel steel support is fixed with the first connecting block arranged on the upper chord member through bolts, the second connecting section at the lower end of the channel steel support is fixed with the second connecting block arranged on the lower chord member through bolts, the channel steel support is firmly fixed with the steel trusses arranged on two sides of the pier column, and damage caused by tilting of the support towards two sides during use can be prevented.

Further, the support truss comprises a support main body, an inclined strut and a plurality of sections of reinforcing ribs, wherein the support main body is vertically arranged between the upper chord member and the lower chord member, the inclined strut adopts I50b I-steel, one end of the inclined strut is welded at the lower end of the upper chord member, and the other end of the inclined strut is welded on a side rod of the support main body; the reinforcing ribs are I32b I-steel, and a plurality of sections of the reinforcing ribs are sequentially arranged in the diagonal brace in an end-to-end mode.

Through the improvement, the diagonal bracing of supporting truss sets up in steel truss both sides, and the diagonal bracing adopts I50b I-steel, and one end welding is on the upper chord lower extreme, and the other end welding is on supporting the side lever of main part, and has a plurality of reinforcing bars that adopt I32b I-steel that set up end to end in proper order in the diagonal bracing inside for the holistic supporting effect of supporting truss obtains improving, has also improved the holistic load capacity of steel truss, prevents to take place unexpected during the use.

Further, the sand box comprises an upper box body and a lower box body, wherein a top plate is arranged at the upper end of the upper box body, the top plate is welded with the upper box body, and the top plate abuts against the lower chord; a bottom plate is arranged at the lower end of the lower box body, the bottom plate is welded with the lower box body, and the bottom plate is propped against the steel pipe column; the upper box body and the lower box body are coaxially arranged, the width of the lower box body is larger than that of the upper box body, gravel is arranged in the lower box body, a sand discharge opening is formed in the outer side of the lower box body, a plug is arranged at the sand discharge opening, the upper box body slides up and down in the lower box body, and the gravel is discharged from the sand discharge opening.

Through the improvement, the sand box is arranged between the steel truss and the steel pipe column, the top plate is propped against the lower chord member, the bottom plate is propped against the upper end of the steel pipe column, the upper box body in the sand box can move up and down in the lower box body, sand in the lower box body can be discharged from the sand discharge port when moving downwards, and the steel truss can be finely adjusted in height, so that the levelness of the steel truss in use is ensured.

Further, a threaded rod is arranged between the top plate and the bottom plate, the bottom plate extends towards the top plate, the threaded rod is arranged in the threaded sleeve, a limit groove is formed in the threaded sleeve, a protruding block is arranged in the middle section of the threaded rod, and the protruding block is clamped in the limit groove and slides up and down in the limit groove; the upper end of the threaded rod is provided with a thread block, the thread block is propped against the threaded sleeve, and the threaded rod moves to the limit position.

Through the improvement, the threaded rod is arranged between the top plate and the floor, the threaded sleeve extends upwards on the bottom plate, and the limit groove in the threaded sleeve is matched with the lug on the threaded rod, so that the lug can always slide up and down in the limit groove, and the upper box body of the sand box is ensured to move vertically when moving; simultaneously, the threaded rod is provided with a threaded block, the threaded block can be adjusted in position according to the height required to be adjusted, so that the downward moving distance of the threaded rod can be determined, and when the threaded block abuts against the threaded sleeve, the threaded rod reaches the limit moving position.

Further, the steel pipe column is formed by connecting a plurality of sections of connecting struts end to end, the connecting struts comprise steel pipes with the size of phi 530 multiplied by 12 and flanges arranged at two ends of the steel pipes, the flanges are abutted against each other, and the flanges are fixed through bolts.

Through the improvement, the steel pipe column is formed by connecting a plurality of sections of connecting struts end to end, so that the whole bracket can adjust the height of the steel pipe column at any time according to the actual height, and is formed by connecting a plurality of steel pipes, and the bracket is convenient to disassemble and assemble; the connecting support comprises a steel pipe and flange plates arranged at two ends of the steel pipe, and the flange plates are fixed through bolts, so that head-to-tail connection between the steel pipe and the steel pipe is more stable.

Further, the steel pipe column is arranged on two sides of the pier column, I-shaped steel bars are arranged on the outer side of the steel pipe column, screw holes are formed in two ends of the I-shaped steel bars, screw thread steel is arranged between the I-shaped steel bars, and two ends of the screw thread steel are respectively fixed with the screw holes through bolts.

Through above improvement, the steel-pipe column outside is provided with the I-steel strip, and I-steel strip both ends are provided with the screw, are provided with the deformed steel bar through the screw between the I-steel strip, and deformed steel bar both ends pass through the bolt fastening with the I-steel strip, and this design can make steel-pipe column bearing capacity stronger, can bear great weight and pressure.

Further, a connecting screw plate is arranged on the steel pipe column, the fixed truss comprises two transverse connecting rods, a vertical connecting rod and an inclined connecting rod which are arranged in parallel, two ends of the transverse connecting rod are respectively fixed on the connecting screw plate through screws, and two ends of the vertical connecting rod are respectively arranged and welded at the centers of the two transverse connecting rods; one end of the inclined connecting rod is fixed on the connecting screw plate through a bolt, and the other end of the inclined connecting rod is welded at the center of the transverse connecting rod.

Through the improvement, a plurality of groups of fixed trusses are arranged between the steel pipe columns, connecting screw plates are arranged on the steel pipe columns, two ends of a transverse connecting rod on the fixed trusses are fixed on the connecting screw plates on the steel pipe columns through bolts, and two ends of a vertical connecting rod are arranged at the center of the transverse connecting rod, so that the stability of connection of the fixed trusses can be improved; one end of the inclined connecting rod is fixed on the connecting screw plate through a bolt, and the other end of the inclined connecting rod is welded at the center of the transverse connecting rod, so that the overall stability of the fixed truss is improved.

Further, the upper end of the upper chord member is provided with an installation platform, and the installation platform is formed by a plurality of I14I-steel arrays; the cast-in-situ module is characterized in that an installation seat is arranged at the lower end of the cast-in-situ module, the installation seat is matched with the installation platform, and protective fences are arranged around the installation platform.

Through the improvement, the upper end of the upper chord member is provided with a plurality of I14I-beams, an I14I-beam array forms an installation platform, the cast-in-situ module is arranged on the installation platform, the lower end of the cast-in-situ module is provided with an installation seat, and the installation seat is matched with the installation platform, so that the capping beam is convenient to place; and the guard rail is arranged around the mounting platform, so that the safety during operation is improved.

Drawings

FIG. 1 is a front view perspective block diagram of a cast-in-place bent cap bracket;

FIG. 2 is a side view block diagram of a cast-in-place bent cap bracket;

FIG. 3 is a block diagram of a flask of a cast-in-place bent cap support;

Wherein, 1, pier stud; 2. a steel truss; 2.1, upper chord; 2.2, lower chords; 2.3, supporting the truss; 2.31, a support body; 2.32, diagonal braces; 2.33, reinforcing ribs; 2.4, a first connecting piece; 2.5, a second connecting sheet; 2.6, installing a platform; 3. a steel pipe column; 3.1, connecting struts; 3.11, steel pipes; 3.12, a flange plate; 3.2, I-shaped steel bars; 3.21, screw holes; 3.3, deformed steel bar; 3.4, connecting the screw plate; 4. a cast-in-place module; 4.1, a mounting seat; 5. a sand box; 5.1, upper box; 5.2, lower box; 5.3, top plate; 5.4, a bottom plate; 5.41, a screw sleeve; 5.42, limit grooves; 5.5, piling sand; 5.6, a sand discharge port; 5.7, plugging; 5.8, threaded rod; 5.81, bumps; 5.82, screw thread blocks; 6. fixing the truss; 6.1, a transverse connecting rod; 6.2, a vertical connecting rod; 6.3, an inclined connecting rod; 7. a channel steel bracket; 7.1, a first extension section; 7.2, a second extension section; 8. a capping beam; 9. and (3) a protective fence.

Detailed Description

The utility model will be further described with reference to the drawings and the specific examples.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The cast-in-situ capping beam support is erected on the periphery of a pier column 1 and comprises a steel truss 2, steel pipe columns 3 and cast-in-situ modules 4, wherein the cast-in-situ modules 4 are arranged at the upper ends of the steel truss 2, the steel pipe columns 3 are arranged at the lower ends of the steel truss 2, sand boxes 5 are arranged between the steel pipe columns 3 and the steel truss 2, a plurality of fixed trusses 6 are arranged between the steel pipe columns 3, channel steel supports 7 are arranged between the steel trusses 2 and are fixed through bolts, supporting trusses 8 are arranged on two sides of the steel truss 2, capping beams 9 are arranged in the cast-in-situ modules 4, and the capping beams 9 are arranged at the upper ends of the pier columns 1.

The pier column 1 is arranged on a finished bearing surface, steel pipe columns 3 are arranged on two sides of the pier column 1, the steel pipe columns 3 are formed by connecting a plurality of sections of phi 530 multiplied by 12 steel pipes 3.1 end to end, flanges 3.2 are arranged at two ends of the steel pipes 3.1, and the flanges 3.2 are fixed through bolts so that the connection between each section of steel pipes 3.1 is more stable; the steel pipe column 3 formed by connecting the ends of the steel pipes 3.1 is arranged, the whole bracket can adjust the height of the steel pipe column 3 at any time according to the actual height, and meanwhile, the bracket is convenient to assemble and disassemble.

The steel-pipe column 3 outside is provided with I-steel strip 3.3, and I-steel strip 3.3 both ends are equipped with screw 3.31, are provided with screw 3.4 through screw 3.31 between I-steel strip 3.3, and screw 3.4 both ends and I-steel strip 3.3 pass through the bolt fastening, and this design can make steel-pipe column 3 bearing capacity stronger, can bear great weight and pressure.

A plurality of groups of fixed trusses 6 are arranged between the steel pipe columns 3, each fixed truss 6 comprises two transverse connecting rods 6.1, a vertical connecting rod 6.2 and an inclined connecting rod 6.3, the steel pipe columns 3 are provided with connecting screw plates 3.5, the two transverse connecting rods 6.1 of the fixed trusses 6 are arranged in parallel, the end parts of the transverse connecting rods 6.1 are fixed on the connecting screw plates 3.5 through bolts, the vertical connecting rods 6.2 are arranged between the two transverse connecting rods 6.1, and the two ends of each vertical connecting rod are welded at the center of each transverse connecting rod 6.1; one end of the inclined connecting rod 6.3 is fixed on the connecting screw plate 3.5 through a bolt, and the other end is welded at the center of the transverse connecting rod 6.1; the fixed truss 6 can prevent the steel pipe column 3 from deviating and deflecting when in use, and improves the connection strength.

The upper end of the steel pipe column 3 is provided with a sand box 5, the sand box 5 comprises an upper box body 5.1 and a lower box body 5.2, a top plate 5.3 is welded at the upper end of the upper box body 5.1, the upper end face of the top plate 5.3 is propped against the lower chord member 2.2 of the steel truss 2, a bottom plate 5.4 is welded at the lower end of the lower box body 5.2 of the sand box 5, and the lower end face of the bottom plate 5.4 is propped against the upper end face of the steel pipe column 3; the upper box body 5.1 and the lower box body 5.2 are coaxially arranged, the upper box body 5.1 can move up and down in the lower box body 5.2, gravel 5.5 is filled in the lower box body 5.2, a sand discharge opening 5.6 is formed in the outer wall of the lower box body 5.2, the upper box body 5.1 moves downwards, sand is punched, the sand flows out of the sand discharge opening 5.6, the steel truss 2 at the upper end of the sand box 5 can be subjected to fine adjustment, a plug 5.7 is arranged at the sand discharge opening 5.6, the sand discharge opening 5.6 can be blocked when adjustment is not needed, and the levelness is prevented from being influenced by outflow; a threaded rod 5.8 is arranged between the top plate 5.3 and the bottom plate 5.4, the bottom plate 5.4 extends to the top plate direction to form a threaded sleeve 5.41, the threaded rod 5.8 is arranged in the threaded sleeve 5.41, a limiting groove 5.42 is formed in the threaded sleeve 5.41, a protruding block 5.81 is arranged in the middle section of the threaded rod 5.8, the protruding block 5.81 is clamped in the limiting groove 5.42 and slides up and down in the limiting groove 5.42, and as the upper box body 5.1, the top plate 5.3 and the threaded rod 5.8 slide up and down synchronously, the protruding block 5.81 slides up and down in the limiting groove 5.42, so that the sand box 5 always keeps moving in the vertical direction when the level is regulated; the upper end of the threaded rod 5.8 is provided with a threaded block 5.82, the threaded block 5.82 is propped against the threaded sleeve 5.41, the threaded rod 5.8 moves to the limit position, the threaded block 5.82 is arranged at the middle section of the threaded rod 5.8 and is in threaded connection with the threaded rod 5.8, when the threaded rod 5.8 performs levelness adjustment and moves downwards along with continuous removal of gravel 5.5 in the sand box 5, the threaded block 5.82 reaches a designated downwards moving height when propped against the threaded sleeve 5.41, and the downwards moving height of the threaded rod 5.8 is determined.

The upper end of the sand box 5 is provided with a steel truss 2, an upper chord member 2.1 is arranged between the steel truss 2 and the cast-in-situ module 4, and the upper chord member is I50b I-steel, so that the bearing capacity of the upper chord member 2.1 can be improved; a lower chord member 2.2 is arranged between the steel truss 2 and the sand box 5, and the lower chord member 2.2 adopts double-spliced I25b I-steel, so that compared with single I-steel, the double-spliced I-steel can improve the bearing capacity; a channel steel bracket 7 is arranged between the steel trusses 2, the channel steel bracket 7 is made of channel steel, and the mechanical function is good; simultaneously the first linkage segment 7.1 of channel-section steel support 7 upper end passes through the bolt fastening with the first linkage block 2.3 that sets up on the upper chord member 2.1, and the second linkage segment 7.2 of channel-section steel support 7 lower extreme passes through the bolt fastening with the second linkage block 2.4 that sets up on the lower chord member 2.2, and channel-section steel support 7 will set up the steel truss 2 in pier stud 1 both sides firmly fixed, can prevent that the support from causing harm to both sides slope when using.

The support truss 2.3 is arranged between the upper chord member 2.1 and the lower chord member 2.2 of the steel truss 2, the support truss 2.3 comprises a support main body 2.31, an inclined strut 2.32 and a plurality of sections of reinforcing ribs 2.33, the support main body 2.31 is vertically arranged between the upper chord member 2.1 and the lower chord member 2.2, the inclined strut 2.32 of the support truss 2.3 adopts I50b I-shaped steel, one end of the inclined strut 2.32 is welded at the lower end of the upper chord member 2.1, the other end of the inclined strut is welded on a side rod of the support main body 2.31, and a plurality of reinforcing ribs 2.33 which are sequentially arranged end to end are arranged inside the inclined strut 2.32, so that the whole support effect of the support truss 2.3 is improved, the whole load capacity of the steel truss 2 is also improved, and accidents are prevented during use; the upper end of the upper chord member 2.1 is provided with a plurality of I14I-beams, an I14I-beam array forms an installation platform 2.6, the cast-in-situ module 4 is arranged on the upper part, the lower end of the cast-in-situ module 4 is provided with an installation seat 4.1, and the installation seat 4.1 is matched with the installation platform 2.6, so that the capping beam 8 is convenient to place; and the guard rail 9 is arranged around the mounting platform 2.6, so that the safety during operation is improved.

The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (10)

1. The cast-in-situ capping beam bracket is erected on the periphery of a pier column (1), and is characterized in that: including steel truss (2), steel-pipe column (3) and cast-in-place module (4), steel truss (2) upper end is provided with cast-in-place module (4), the lower extreme is provided with steel-pipe column (3), steel-pipe column (3) with be provided with sand box (5) between steel truss (2), steel truss includes upper chord member (2.1), lower chord member (2.2) and braced truss (2.3), upper chord member (2.1) set up braced truss (2.3) with cast-in-place module (4) between, lower chord member (2.2) set up braced truss (2.3) with between sand box (5), be provided with a plurality of fixed trusses (6) between steel-pipe column (3), be provided with channel steel bracket (7) and through the bolt fastening between steel truss (2), cast-in-place module (4) are placed in-place pier column (1) upper end, cast-in-place module (4) have pour cap beam (8).

2. The cast-in-place capping beam support according to claim 1, wherein: the upper chord member (2.1) is made of I50b I-steel, and the lower chord member (2.2) is formed by splicing two I25b I-steel.

3. The cast-in-place capping beam support according to claim 1, wherein: a first connecting block (2.4) is arranged on the inner side of the upper chord member (2.1), a first connecting section (7.1) is arranged at the upper end of the channel steel bracket (7), and the first connecting block (2.4) and the first connecting section (7.1) are fixed through bolts; the inner side of the lower chord member (2.2) is provided with a second connecting block (2.5), the lower end of the channel steel bracket (7) is provided with a second connecting section (7.2), and the second connecting block (2.5) and the second connecting section (7.2) are fixed through bolts.

4. The cast-in-place capping beam support according to claim 1, wherein: the support truss (2.3) comprises a support main body (2.31), inclined supporting rods (2.32) and a plurality of sections of reinforcing ribs (2.33), wherein the support main body (2.31) is vertically arranged between the upper chord member (2.1) and the lower chord member (2.2), the inclined supporting rods (2.32) are I50b I-shaped steel, one ends of the inclined supporting rods (2.32) are welded at the lower end of the upper chord member (2.1), and the other ends of the inclined supporting rods are welded on side rods of the support main body (2.31); the reinforcing ribs (2.33) are I32b I-steel, and a plurality of sections of the reinforcing ribs (2.33) are sequentially arranged in the diagonal brace (2.32) in an end-to-end mode.

5. The cast-in-place capping beam support according to claim 1, wherein: the sand box (5) comprises an upper box body (5.1) and a lower box body (5.2), a top plate (5.3) is arranged at the upper end of the upper box body (5.1), the top plate (5.3) is welded with the upper box body (5.1), and the top plate (5.3) is propped against the lower chord member (2.2); a bottom plate (5.4) is arranged at the lower end of the lower box body (5.2), the bottom plate (5.4) is welded with the lower box body (5.2), and the bottom plate (5.4) is propped against the steel pipe column (3); go up box (5.1) with lower box (5.2) coaxial setting just lower box (5.2) width is greater than go up box (5.1), be provided with gravel (5.5) in lower box (5.2), be provided with sand discharge mouth (5.6) in lower box (5.2) outside, sand discharge mouth (5.6) department is provided with plug (5.7), go up box (5.1) and be in slide from top to bottom in lower box (5.2), will gravel (5.5) follow sand discharge mouth (5.6) discharge.

6. The cast-in-place capping beam support as claimed in claim 5, wherein: threaded rods (5.8) are arranged between the top plate (5.3) and the bottom plate (5.4), threaded sleeves (5.41) extend towards the top plate direction from the bottom plate (5.4), the threaded rods (5.8) are arranged in the threaded sleeves (5.41), limiting grooves (5.42) are formed in the threaded sleeves (5.41), protruding blocks (5.81) are arranged in the middle sections of the threaded rods (5.8), and the protruding blocks (5.81) are clamped in the limiting grooves (5.42) and slide up and down in the limiting grooves (5.42); the upper end of the threaded rod (5.8) is provided with a thread block (5.82), the thread block (5.82) is propped against the threaded sleeve (5.41), and the threaded rod (5.8) moves to the limit position.

7. The cast-in-place capping beam support according to claim 1, wherein: the steel pipe column (3) is formed by connecting a plurality of sections of connecting struts (3.1) end to end, the connecting struts (3.1) comprise steel pipes (3.11) with the size of phi 530 multiplied by 12 and flange plates (3.12) arranged at two ends of the steel pipes (3.11), the flange plates (3.12) are propped against each other, and the flange plates (3.12) are fixed through bolts.

8. The cast-in-place capping beam support according to claim 1, wherein: the steel pipe column (3) is arranged on two sides of the pier column (1), I-shaped steel bars (3.2) are arranged on the outer side of the steel pipe column (3), screw holes (3.21) are formed in two ends of each I-shaped steel bar (3.2), screw thread steel (3.3) is arranged between the I-shaped steel bars (3.2), and two ends of each screw thread steel (3.3) are fixed with the screw holes (3.21) through bolts.

9. The cast-in-place capping beam support according to claim 1, wherein: the steel pipe column (3) is provided with a connecting screw plate (3.4), the fixed truss (6) comprises two transverse connecting rods (6.1), vertical connecting rods (6.2) and inclined connecting rods (6.3) which are arranged in parallel, two ends of each transverse connecting rod (6.1) are respectively fixed on the connecting screw plate (3.4) through screws, and two ends of each vertical connecting rod (6.2) are respectively arranged and welded at the centers of the two transverse connecting rods (6.1); one end of the inclined connecting rod (6.3) is fixed on the connecting screw plate (3.4) through a bolt, and the other end of the inclined connecting rod is welded at the center of the transverse connecting rod (6.1).

10. The cast-in-place capping beam support according to claim 1, wherein: the upper end of the upper chord member (2.1) is provided with a mounting platform (2.6), and the mounting platform (2.6) is formed by a plurality of I14I-steel arrays; the cast-in-situ module (4) lower extreme is provided with mount pad (4.1), mount pad (4.1) cooperation sets up on mounting platform (2.6), just mounting platform (2.6) are provided with rail guard (9) all around.