CN217026746U - Bridge No. 0 piece construction auxiliary device - Google Patents

Abstract

The utility model discloses a No. 0 block construction auxiliary device for a bridge, and relates to the technical field of bridge construction, and the device comprises a V-shaped cross beam, wherein the open end of the V-shaped cross beam is connected with a pier, the bent part of the V-shaped cross beam is connected with the pier through a support beam to form a triangular pyramid bracket, a support structure is fixedly arranged on the V-shaped cross beam, and a No. 0 block template is arranged on the pier and the support structure. Be connected through V style of calligraphy crossbeam and supporting beam and pier and form the triangular pyramid bracket, firm triangular pyramid structure has been formed, the stability of bracket support when having improved the construction of No. 0 piece, pass through bearing structure with No. 0 block mold board and set up on V style of calligraphy crossbeam, change the bearing area to No. 0 piece step by step, the structural stability is improved, the transverse connection between the bracket can be strengthened to the pre-buried steel sheet of sharing between the adjacent V style of calligraphy crossbeam, guarantee the transverse stability between the triangular pyramid bracket, bracket support unstable problem when having solved the construction of No. 0 piece among the prior art.

Description

Bridge No. 0 piece construction auxiliary device

Technical Field

The utility model relates to the technical field of bridge construction, in particular to a construction auxiliary device for a No. 0 block of a bridge.

Background

The cantilever method construction is widely used in China, when the cantilever method is used for bridge construction, a No. 0 block needs to be constructed firstly, and the construction quality of the No. 0 block directly influences subsequent engineering. Traditional bracket method construction has only used vertical triangle structure to support in the vertical direction, but is relatively poor at level to the safeguard measure, when running into extremely abominable strong wind weather in mountain, canyon, bracket horizontal stability is difficult to guarantee. In addition, No. 0 piece has the characteristics that the solid section of root is heavier, the hollow section of tip is lighter, and traditional bracket structure arranges the construction plane on the straight line horizontal beam perpendicular to pier looks mostly, and this does not fully combine the actual characteristics of bridge. When the section of the box girder is constructed, a plurality of identical bracket structures are generally required to be arranged at the flange end, but the weight of the flange end is greatly different from that of the box girder web, namely, in order to meet the construction requirement, the consistency and the simplicity of the structure are blindly pursued, and the waste of resources and time is caused.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the background technology, the utility model provides a construction auxiliary device for a No. 0 block of a bridge, which solves the problem of unstable support of a bracket during construction of the No. 0 block in the prior art.

The technical scheme of the utility model is realized as follows: the utility model provides a bridge No. 0 piece construction auxiliary device, includes V style of calligraphy crossbeam, and the open end of V style of calligraphy crossbeam is connected with the pier, and the department of bending of V style of calligraphy crossbeam is connected with the pier through a supporting beam and forms triangular pyramid bracket, fixes being equipped with bearing structure on the V style of calligraphy crossbeam, is equipped with No. 0 piece template on pier and the bearing structure.

Preferably, the V-shaped cross beam comprises two beam arms, one ends of the two beam arms are fixedly connected, the two beam arms are respectively connected with an inclined strut between the end part of the supporting beam, and a cross strut is connected between the beam arms. The inclined strut and the cross strut are both arranged at one third of the beam arm.

Preferably, the pier includes the steel reinforcement frame, is fixed on the steel reinforcement frame to be equipped with pre-buried steel sheet, and V style of calligraphy crossbeam and supporting beam all fix the setting on pre-buried steel sheet.

Preferably, the V-shaped cross beams on the same side of the bridge pier are at least two, and the adjacent V-shaped cross beams share the embedded steel plate.

Preferably, the supporting structure comprises a transverse horizontal distribution girder, the transverse horizontal distribution girder is fixedly arranged on the V-shaped beam, a longitudinal horizontal support is fixedly arranged on the transverse horizontal distribution girder, a steel frame is arranged on the longitudinal horizontal support, and the No. 0 module plate is detachably arranged on the steel frame; the longitudinal horizontal support is a channel steel; the No. 0 block template is provided with a back ridge, and the steel frame is detachably connected with the back ridge; the steel frame is connected with the back edge through bolts.

Preferably, the No. 0 block template is a steel template.

The utility model has the beneficial effects that: be connected through V style of calligraphy crossbeam and supporting beam and pier and form triangular pyramid bracket, firm triangular pyramid structure has been formed, the stability that the bracket supported when having improved the construction of No. 0 piece, pass through bearing structure with No. 0 block mold board and set up on V style of calligraphy crossbeam, change the bearing area to No. 0 piece step by step, improve structural stability, the horizontal relation between the bracket can be strengthened to the pre-buried steel sheet of sharing between the adjacent V style of calligraphy crossbeam, guarantee the lateral stability between the triangular pyramid bracket, bracket support unstable problem when having solved the construction of No. 0 piece among the prior art.

Drawings

In order to illustrate the embodiments of the utility model more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be derived from those drawings by a person skilled in the art without inventive effort.

FIG. 1 is a schematic view of a V-shaped cross beam and a support beam according to the present invention;

FIG. 2 is a schematic view of the horizontal distribution cross beam and the vertical horizontal support structure of the present invention;

FIG. 3 is a schematic cross-sectional view of a three-dimensional structure according to the present invention;

FIG. 4 is a schematic side view of the cross beam and the support beam of the present invention;

in the figure: 1: v style of calligraphy crossbeam, 2: pier, 3: support beam, 4: block template No. 0, 5: bracing, 6: stull, 7: pre-burying a steel plate, 8: transverse horizontal distribution girder, 9: longitudinal horizontal support, 10: and (5) steel frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art based on the embodiments of the present invention without inventive step, are within the scope of the present invention.

As shown in fig. 1 and 3, in embodiment 1, a No. 0 bridge block construction assisting device comprises a V-shaped cross beam 1, an open end of the V-shaped cross beam 1 is connected with a bridge pier 2, a bent part of the V-shaped cross beam 1 is connected with the bridge pier 2 through a supporting beam 3 to form a triangular pyramid bracket, a supporting structure is fixedly arranged on the V-shaped cross beam 1, and No. 0 block templates 4 are arranged on the bridge pier 2 and the supporting structure. The No. 0 block template is a steel template. The V-shaped cross beam and the supporting beam are connected with the bridge pier to form a triangular pyramid bracket, a stable triangular pyramid structure is formed, the stability of bracket support during construction of the No. 0 block is improved, the No. 0 block template is arranged on the V-shaped cross beam through the supporting structure, the bearing area of the No. 0 block is gradually changed, the structural stability is improved,

further, V style of calligraphy crossbeam 1 includes two beam arms, two beam arm one end fixed connection, two optional beam arm integrated into one piece or through the bolt with two beam columns, two beam arms respectively with prop 3 tip between be connected with bracing 5, be connected with stull 6 between the beam arm.

As shown in fig. 4, specifically, the inclined strut 5 and the cross strut 6 are both provided at one third of the beam arm, in this embodiment, the distance from the cross strut to the joint of the two beam arms is half of the distance from the cross strut to the pier, and the inclined strut is connected to the beam arms at the two ends of the cross strut, so as to enhance the stability of the main stress point of the structure.

When the embodiment is applied, after the pier is poured, a plurality of groups of V-shaped cross beams 1 and corresponding supporting beams are arranged on the side wall of the pier, cross braces and inclined braces are fixedly arranged at the end parts of the V-shaped cross beams 1 and the supporting beams, then a supporting structure is fixedly arranged on the V-shaped cross beams 1, and finally a No. 0 module is erected on the top of the pier and the supporting structure.

In embodiment 2, in addition to embodiment 1, the pier 2 includes a steel bar frame, the embedded steel plate 7 is fixed on the steel bar frame, and both the V-shaped beams 1 and the support beams 3 are fixed on the embedded steel plate 7.

Further, V style of calligraphy crossbeam 1 on 2 same sides of pier sets up two at least, gives the example that sets up three V style of calligraphy crossbeam 1 in this embodiment, and the pre-buried steel sheet 7 of sharing between the adjacent V style of calligraphy crossbeam 1 can strengthen the transverse connection between the bracket, guarantees the lateral stability between the triangular pyramid bracket to reduce the quantity of required welding steel sheet, improved the efficiency of construction.

This embodiment is when using, when pouring the pier, weld the pre-buried steel sheet that every V style of calligraphy crossbeam 1 and a supporting beam correspond on the reinforcing bar frame with pre-buried form earlier, treat that the pier pours the back that finishes, with the V style of calligraphy crossbeam 1 and a supporting beam welding that correspond on pre-buried steel sheet, carry out the welding of stull and bracing at last, during the welding bracing, optionally with two bracing and a supporting beam lug weld on same pre-buried steel sheet, also can weld two bracing tip and a supporting beam tip earlier, weld on pre-buried steel sheet again at last.

As shown in fig. 2, in embodiment 3, on the basis of embodiment 2, the supporting structure includes a transverse horizontal distribution girder 8, the transverse horizontal distribution girder 8 is fixedly disposed on the V-shaped beam 1, longitudinal horizontal supports 9 are fixedly disposed on the transverse horizontal distribution girder 8, a steel frame 10 is disposed on the longitudinal horizontal supports 9, and the No. 0 module 4 is detachably disposed on the steel frame 10. Wherein the longitudinal horizontal support 9 is a channel steel. The steel frame is directly used for supporting, the difficult problem that the frame body is difficult to erect in high altitude is effectively solved, the whole hoisting assembly is realized, the dismounting is convenient, the procedures such as high altitude welding are not needed, the construction safety is improved, the loss of the component is avoided in the mounting and using process, the material recovery is facilitated, the progress is accelerated, and the construction quality is also ensured. The transverse horizontal distribution crossbeam 8 and the V-shaped crossbeam 1, the longitudinal horizontal support 9 and the transverse horizontal distribution crossbeam 8, the steel frame 10 and the longitudinal horizontal support 9 are welded in pairs, and therefore the integrity of the upper structure is improved, and the stability of the whole bracket is improved.

Further, a back edge is arranged on the No. 0 block template 4, and the steel frame 10 is detachably connected with the back edge. Specifically, the steel frame 10 is connected to the back edge by bolts. The bolt connection is used here, and the characteristics of simple disassembly and assembly, rapid construction progress, safety and reliability are achieved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. The utility model provides a bridge No. 0 piece construction auxiliary device which characterized in that: including V style of calligraphy crossbeam (1), the open end of V style of calligraphy crossbeam (1) is connected with pier (2), and the department of bending of V style of calligraphy crossbeam (1) is connected with pier (2) through a supporting beam (3) and forms triangular pyramid bracket, and fixed bearing structure that is equipped with on V style of calligraphy crossbeam (1), pier (2) and bearing structure are equipped with No. 0 piece template (4).

2. The auxiliary device for construction of the No. 0 block of the bridge according to claim 1, characterized in that: the V-shaped cross beam (1) comprises two beam arms, inclined struts (5) are connected between the two beam arms and the end portions of the supporting beams (3), and cross struts (6) are connected between the beam arms.

3. The auxiliary device for construction of No. 0 block of bridge according to claim 2, wherein: the inclined strut (5) and the cross strut (6) are both arranged at one third of the beam arm.

4. A bridge No. 0 piece construction auxiliary device of any claim 1~3, characterized in that: the pier (2) comprises a steel bar frame, an embedded steel plate (7) is fixedly arranged on the steel bar frame, and the V-shaped cross beam (1) and the supporting beam (3) are fixedly arranged on the embedded steel plate (7).

5. The auxiliary device for construction of the No. 0 block of the bridge according to claim 4, characterized in that: v style of calligraphy crossbeam (1) on pier (2) same side set up two at least, and two adjacent V style of calligraphy crossbeams (1) share one pre-buried steel sheet (7).

6. A construction auxiliary device for a No. 0 block of a bridge according to any one of claims 1 to 3 and 5, characterized in that: the supporting structure comprises a transverse horizontal distribution girder (8), the transverse horizontal distribution girder (8) is fixedly arranged on the V-shaped beam (1), a longitudinal horizontal support (9) is fixedly arranged on the transverse horizontal distribution girder (8), a steel frame (10) is arranged on the longitudinal horizontal support (9), and a No. 0 block template (4) is detachably arranged on the steel frame (10).

7. The auxiliary device for construction of No. 0 block of bridge according to claim 6, wherein: the longitudinal horizontal support (9) is a channel steel.

8. The auxiliary device for construction of the No. 0 block of the bridge according to claim 7, characterized in that: a back edge is arranged on the No. 0 block template (4), and the steel frame (10) is detachably connected with the back edge.

9. The auxiliary device for construction of the No. 0 block of the bridge according to claim 8, characterized in that: the steel frame (10) is connected with the back edge through bolts.

10. A bridge No. 0 piece construction auxiliary device of any claim 1~3, 5, 7~9, characterized in that: the No. 0 block template (4) is a steel template.

Images