CN213804924U

CN213804924U - Formwork support of bridge bent cap

Info

Publication number: CN213804924U
Application number: CN202022582529.2U
Authority: CN
Inventors: 董丽钢; 李晓亮; 信国军; 吕文强; 董丽娜
Original assignee: CCCC First Highway Fifth Engineering Co Ltd
Current assignee: CCCC First Highway Fifth Engineering Co Ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-07-27
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a formwork support of bridge bent cap, including the bent cap main part, two pier stud under bent cap main part bottom fixedly connected with, two the pier stud outer wall is the fixed first interior staple bolt that is provided with down, two the staple bolt upper end is all fixed and is provided with first outer staple bolt, two in first the staple bolt outer wall is the staple bolt in the first interior staple bolt upper end is all fixed and is provided with the second, two the staple bolt upper end is all fixed and is provided with the outer staple bolt of second, two in the second staple bolt upper end is all fixed and is provided with protruding type fastening head, two in the first interior staple bolt and two seconds the inside all fixed trepanning of having seted up of staple bolt outside first outer concave type and two seconds. The utility model discloses a formwork support of bridge bent cap, this formwork support installation is simple quick, and the support erection time limit for a project is short, practices thrift support material, reduces constructor, and the construction cost is low, and the efficiency of construction is high, and overall stability is higher, and the security is good, is worth promoting.

Description

Formwork support of bridge bent cap

Technical Field

The utility model relates to a bent cap construction formwork support technical field especially relates to a formwork support of bridge bent cap.

Background

At present, the lower structure of a reinforced concrete beam bridge generally comprises a capping beam, a pier stud and a pile foundation, wherein the capping beam is a bearing component for placing a bridge beam slab and plays a role of 'bearing up and down', the capping beam is erected on the upper part of the pier stud in the transverse bridge direction and is connected with the pier stud into a whole, and all loads from the upper structure of the bridge are transmitted to the pier stud and then transmitted to a rock stratum through the pier stud and a pile foundation.

The capping beam of the bridge is a cast-in-place concrete structural part, when the pier stud is finished, the concrete pouring of the capping beam is carried out, because the capping beam has a certain height from the ground and is limited by the terrain condition, constructors can not directly work on the ground, a template bracket is required to be erected for high-altitude work, the erection method of the bridge capping beam construction platform is different, compared with the conventional method, a steel pipe scaffold support platform is directly erected on the ground, then the concrete capping beam is erected on the support platform for pouring, a hole is drilled on the bridge pier stud and penetrates through two sides of the pier stud, a solid steel pipe is inserted into the hole to serve as a support point, a longitudinal truss and a transverse truss are placed on the solid steel pipe, then the template bracket is erected on the longitudinal truss and the transverse truss, the requirement for steel pipe fasteners by the erection method is large, the erection period of the bracket erection is long, the constructors are many, the construction cost is high, the construction efficiency is low, the safety risk is high, and the integral stability of the bracket is poor, can not meet the physicochemical requirements of fine construction, civilized standardization and environmental preservation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a formwork support of a bridge bent cap.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a formwork support for a bridge capping beam comprises a capping beam main body, wherein two lower pier studs are fixedly connected to the bottom of the capping beam main body, first inner anchor bolts are fixedly arranged on the outer walls of the two lower pier studs, first outer anchor bolts are fixedly arranged at the upper ends of the two first inner anchor bolts, second inner anchor bolts are fixedly arranged at the upper ends of the two lower pier studs on the first inner anchor bolts, second outer anchor bolts are fixedly arranged at the upper ends of the two second inner anchor bolts, convex fastening heads are fixedly arranged at the upper ends of the two first inner anchor bolts and the two second inner anchor bolts, concave sleeve holes are fixedly formed in the two first outer anchor bolts and the two second outer anchor bolts, a plurality of supporting diagonal rods are fixedly connected between the lower ends of the two second outer anchor bolts and the two first outer anchor bolts respectively, a plurality of jacks are fixedly arranged at the upper ends of the two second anchor bolts, and a plurality of supporting bottom plates are fixedly arranged on the jacks, the fixed a plurality of distribution roof beams that are provided with in bottom plate upper end, it is a plurality of the fixed a plurality of supporting beam that are provided with in distribution roof beam upper end, it is a plurality of the supporting beam upper end is set up admittedly and is provided with the support frame body, the fixed bent cap basement membrane that is provided with in support frame body upper end, bent cap basement membrane upper end contacts with bent cap main part lower extreme.

As a further description of the above technical solution:

and a protective guard is fixedly arranged on the outer side of the upper end of the supporting bottom plate.

As a further description of the above technical solution:

two equal fixedly connected with a plurality of rotation connecting seats in the first outer hoop upper end outside, it is a plurality of the rotation connecting seat rotates with the one end that supports the down tube and is close to first outer hoop respectively and is connected.

As a further description of the above technical solution:

two the outer staple bolt periphery of second all is fixed and is provided with a plurality of connecting bolt, two the outer staple bolt periphery of second all is close to the one end fixed connection of the outer staple bolt of second through a plurality of connecting bolt and support down tube.

As a further description of the above technical solution:

the through holes are formed in the first inner hoop and the second inner hoop in a fixed mode.

As a further description of the above technical solution:

and anti-skid grains are fixedly arranged on the outer sides of the two convex fastening heads and the inner sides of the two concave trepanning holes.

The utility model discloses following beneficial effect has:

the utility model provides a pair of formwork support of bridge bent cap, through setting up the inside and outside staple bolt of combination formula on bent cap lower extreme pier stud, inside and outside staple bolt passes through block and the tensioning action between protruding type fastening head and the concave type trepanning, make the staple bolt structure can support the location more effectively, the pressure that receives is big more, the tensile force between the inside and outside staple bolt is big more, be difficult to more the obscission appears, inside and outside staple bolt junction still is provided with anti-skidding line, can prevent to appear sliding between the inside and outside staple bolt, the support that makes the staple bolt is more reliable and more stable.

The utility model provides a pair of formwork support of bridge bent cap sets up two sets of combination formula staple bolt structures from top to bottom, sets up between two sets of staple bolt structures to support the down tube and consolidate the support, improves a lot than a set of staple bolt structure supporting effect, and supporting effect and intensity promote greatly, and this structure installation is simple simultaneously, need not erect the support in the bottom and support, and the installation is quick, practices thrift support material, reduces construction cost, and the efficiency of construction is high.

The formwork support is simple and quick to install, short in support erection time, low in construction cost, high in construction efficiency, high in overall stability and good in safety, saves support materials, reduces constructors, and is worthy of popularization.

Drawings

Fig. 1 is a front view of a formwork support of a bridge capping beam according to the present invention;

FIG. 2 is an enlarged view of FIG. 1-A according to the present invention;

fig. 3 is the utility model provides a staple bolt subassembly cross-sectional view of formwork support of bridge bent cap.

Illustration of the drawings:

1. a cap beam body; 2. a lower pier stud; 3. a first inner hoop; 4. a first outer hoop; 5. supporting the diagonal rods; 6. a second inner hoop; 7. a second outer hoop; 8. a jack; 9. a support base plate; 10. protecting the fence; 11. a distribution beam; 12. a support beam; 13. a support frame body; 14. a cap beam basement membrane; 15. a male fastening head; 16. a through hole; 17. a concave trepan boring; 18. rotating the connecting seat; 19. a connecting bolt; 20. and (4) anti-skid lines.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a formwork support of a bridge bent cap comprises a bent cap main body 1, two lower pier studs 2 are fixedly connected to the bottom of the bent cap main body 1, first inner anchor ears 3 are fixedly arranged on the outer walls of the two lower pier studs 2, first outer anchor ears 4 are fixedly arranged at the upper ends of the two first inner anchor ears 3, second inner anchor ears 6 are fixedly arranged on the outer walls of the two lower pier studs 2 at the upper ends of the first inner anchor ears 3, second outer anchor ears 7 are fixedly arranged at the upper ends of the two second inner anchor ears 6, convex fastening heads 15 are fixedly arranged at the upper ends of the two first inner anchor ears 3 and the two second inner anchor ears 6, concave sleeve holes 17 are fixedly arranged in the two first outer anchor ears 4 and the two second outer anchor ears 7, a plurality of supporting diagonal rods 5 are fixedly connected between the lower ends of the two second outer anchor ears 7 and the two first outer anchor ears 4, and a plurality of jacks 8 are fixedly arranged at the upper ends of the two second outer anchor ears 7, the upper ends of the jacks 8 are fixedly provided with a supporting base plate 9, the upper ends of the supporting base plate 9 are fixedly provided with a plurality of distribution beams 11, the upper ends of the distribution beams 11 are fixedly provided with a plurality of supporting cross beams 12, the upper ends of the supporting cross beams 12 are fixedly supported by a supporting frame body 13, the upper end of the supporting frame body 13 is fixedly provided with a cover beam bottom film 14, and the upper end of the cover beam bottom film 14 is contacted with the lower end of the cover beam main body 1.

The fixed rail guard 10 that is provided with in the supporting baseplate 9 upper end outside, the equal a plurality of rotation connecting seats 18 of two first outer staple bolt 4 upper end outsides, a plurality of rotation connecting seats 18 rotate with the one end that supports down tube 5 and be close to first outer staple bolt 4 respectively and be connected, the outer 7 peripheries of staple bolt of two seconds are all fixed and are provided with a plurality of connecting bolt 19, the outer 7 peripheries of two seconds all through a plurality of connecting bolt 19 with support down tube 5 be close to the outer one end fixed connection of staple bolt 7 of second, 6 inside equal fixed through-holes 16 of having seted up of staple bolt in staple bolt 3 and the second in the first, 15 outsides of two protruding type fastener and two concave type trepanning 17 inboards are all fixed and are provided with anti-skidding line 20.

The working principle is as follows: when the formwork support of the bridge capping beam is used, a first inner anchor ear 3 is firstly installed on the outer wall of a lower pier stud 2, a first outer anchor ear 4 is installed at the upper end of the first inner anchor ear 3, a concave sleeve hole 17 is sleeved at the upper end of a convex fastening head 15, a second inner anchor ear 6 is installed at the upper end of the first inner anchor ear 3 on the outer wall of the lower pier stud 2, a second outer anchor ear 7 is installed at the upper end of the second inner anchor ear 6, after the two anchor ear structures are assembled, a supporting diagonal rod 5 is installed between the first outer anchor ear 4 and the second outer anchor ear 7 for supporting the second outer anchor ear 7, a plurality of jacks 8 are fixedly installed at the upper end of the second outer anchor ear 7 for supporting a bottom plate 9, a distribution beam 11 and a supporting cross beam 12 are sequentially placed on the supporting bottom plate 9, a supporting frame body 13 and a capping beam bottom film 14 are finally arranged on the supporting cross beam 12 for supporting and pouring the capping beam, and anti-skid patterns 20 are arranged at the joint of the anchor ears, the anchor ear support structure has the advantages that the anchor ear can be prevented from sliding between the inner anchor ear and the outer anchor ear, the anchor ear support structure is more stable and reliable, the guard rail 10 arranged on the outer side of the support base plate 9 is used for protecting workers during construction, and the safety is better.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a formwork support of bridge bent cap, includes bent cap main part (1), its characterized in that: the bottom of the bent cap main body (1) is fixedly connected with two lower pier studs (2), the outer walls of the two lower pier studs (2) are fixedly provided with a first inner hoop (3), the upper ends of the two first inner hoops (3) are fixedly provided with a first outer hoop (4), the outer walls of the two lower pier studs (2) are fixedly provided with a second inner hoop (6) at the upper end of the first inner hoop (3), the upper ends of the two second inner hoops (6) are fixedly provided with a second outer hoop (7), the upper ends of the two first inner hoops (3) and the two second inner hoops (6) are fixedly provided with convex fastening heads (15), concave sleeve holes (17) are respectively formed in the two first outer hoops (4) and the two second outer hoops (7), the lower ends of the two second outer hoops (7) are respectively and fixedly connected with a plurality of supporting diagonal rods (5) between the two first outer hoops (4), two the outer staple bolt of second (7) upper end is all fixed and is provided with a plurality of jack (8), and is a plurality of jack (8) upper end is fixed and is provided with supporting baseplate (9), fixed a plurality of distributing beam (11) that are provided with in supporting baseplate (9) upper end, and is a plurality of distributing beam (11) upper end is fixed and is provided with a plurality of supporting beam (12), and is a plurality of supporting beam (12) upper end is fixed and is provided with support frame body (13), support frame body (13) upper end is fixed and is provided with bent cap basement membrane (14), bent cap basement membrane (14) upper end contacts with bent cap main part (1) lower extreme.

2. The formwork support for a bridge capping beam as claimed in claim 1, wherein: and a protective guard (10) is fixedly arranged on the outer side of the upper end of the supporting bottom plate (9).

3. The formwork support for a bridge capping beam as claimed in claim 1, wherein: the outer side of the upper end of the two first outer hoops (4) is fixedly connected with a plurality of rotating connecting seats (18), and the rotating connecting seats (18) are respectively and rotatably connected with one ends, close to the first outer hoops (4), of the supporting inclined rods (5).

4. The formwork support for a bridge capping beam as claimed in claim 1, wherein: two the outer staple bolt of second (7) periphery is all fixed and is provided with a plurality of connecting bolt (19), two the outer staple bolt of second (7) periphery all is close to the outer one end fixed connection of staple bolt (7) of second through a plurality of connecting bolt (19) and support down tube (5).

5. The formwork support for a bridge capping beam as claimed in claim 1, wherein: the first inner hoop (3) and the second inner hoop (6) are both fixedly provided with through holes (16).

6. The formwork support for a bridge capping beam as claimed in claim 1, wherein: the outer sides of the two convex fastening heads (15) and the inner sides of the two concave sleeve holes (17) are both fixedly provided with anti-skid grains (20).