CN212714478U

CN212714478U - Large cantilever steel cantilever beam anchoring device

Info

Publication number: CN212714478U
Application number: CN202020821675.3U
Authority: CN
Inventors: 刘育新; 姜晗; 戴安娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-03-16
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses a large cantilever steel outrigger anchoring device, which comprises an anchoring main board, wherein a plurality of positioning screw holes are arranged on the anchoring main board, two anchoring splints are fixedly connected at the front side of the anchoring main board, an anchoring supporting plate is fixedly connected between the bottom inner walls of the two anchoring splints, a matching groove is arranged between the two anchoring splints, a matching plate is embedded in the matching groove, the matching plate is fixedly connected with a beam body, and a plurality of positioning perforations are arranged on the anchoring splints, the utility model has the characteristics of reasonable structural design and uniform stress distribution, when in use, a longitudinal stiffening plate, a transverse stiffening plate and an anti-dropping plate are cast with a concrete pier into an integral structure, so that when the anchoring main board is acted by external forces in different directions, the stress can be effectively dispersed on the contact part of each stiffening plate and the anchoring main board, thereby effectively avoiding the phenomenon that the traditional hole drilling mode easily causes the stress concentration at the single side of the hole groove, easily causing the hidden trouble of concrete collapse and falling off.

Description

Large cantilever steel cantilever beam anchoring device

Technical Field

The utility model relates to an anchor, in particular to big cantilever steel outrigger anchor belongs to municipal bridge engineering technical field.

Background

With the continuous development of social economy and scientific technology, the requirements of people on bridges are not limited to the functions of bridges, and the requirements on landscape modeling and economy are higher and higher. Along with the continuous perfection of urban infrastructure, the bridge foundation needs to be subjected to offset treatment due to the limitation of factors such as special terrains, red lines of roads, complicated underground structures and the like, most of the factors are not suitable for conventional pier forms, a large cantilever outrigger is more suitable for the offset bridge foundation due to the self stress characteristic, and most of the conventional cantilever girders are of reinforced concrete structures or steel structures, wherein the concrete outrigger has large section size, heavy appearance, poor landscape effect, long construction period, serious pollution of production materials and incapability of recycling the materials; the steel structure outrigger mostly adopts the steel structure pier, only needs welded connection between the two, does not need special treatment, and the construction is simple relatively, but because the steel pier cost is higher relatively, the pier adopts the reinforced concrete form under most circumstances, and the connection of steel outrigger and concrete pier needs special treatment this moment, and the anchor structure is complicated relatively, and the construction installation is more troublesome.

At present, no special anchoring device is arranged for connecting the steel cantilever beam and the concrete structure, the steel-concrete anchoring device is a key component for connecting the steel cantilever beam and the concrete pier, the stress of a connecting part is concentrated, the stress is relatively complex, and aiming at the defects of the traditional cantilever beam, the proper anchoring device is adopted in the concrete pier, so that the upper load can be simply and effectively transmitted, and meanwhile, the safety requirement and the service life requirement in the use process of the structure are met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a big cantilever steel outrigger anchor to solve the comparatively concentrated problem of steel outrigger connection position stress that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a big cantilever steel outrigger anchor, includes the anchor mainboard, a plurality of location screws have been seted up on the anchor mainboard, two anchor splint of front side fixedly connected with of anchor mainboard, two fixedly connected with anchor layer board, two between the bottom inner wall of anchor splint be equipped with the groove of agreeing with between the anchor splint, it is equipped with the agreeing with plywood to agree with the inslot, agree with plywood and roof beam body fixed connection, all seted up a plurality of location perforation on the anchor splint, a plurality of vertical stiffening plate of back fixedly connected with and a plurality of horizontal stiffening plate of anchor mainboard, wherein a plurality of anticreep boards of fixedly connected with on the outer wall of horizontal stiffening plate.

Preferably, the beam body and the conjunction plate are cast into an integral structure, and the conjunction plate is arranged on both sides of the beam body.

Preferably, the positioning screw hole and the positioning through hole are correspondingly arranged, and a preformed hole is formed in the wedge plate corresponding to the positioning screw hole.

Preferably, the section of the fit groove is of a T-shaped structure, and the width of the beam body is equal to the distance between the two anchoring clamping plates.

Preferably, the longitudinal stiffening plate and the transverse stiffening plate are perpendicular to each other, and the longitudinal stiffening plate and the transverse stiffening plate are perpendicular to the anti-falling plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a large cantilever steel cantilever beam anchoring device, which has the characteristics of reasonable structural design and uniform stress distribution, when in use, a longitudinal stiffening plate, a transverse stiffening plate and an anti-drop plate are cast into an integrated structure with a concrete pier, so that when the anchoring main board is acted by external forces in different directions, the stress can be effectively dispersed on the contact part of each stiffening plate and the anchoring main board, thereby effectively avoiding the hidden danger of the concrete collapse phenomenon caused by the hole groove unilateral stress concentration easily caused by the traditional hole drilling mode, further, a T-shaped conjunction groove can be effectively embedded with a conjunction plate, so that the connection stress can be effectively dispersed on the contact part of an anchoring splint and an anchoring supporting plate, avoiding the phenomena of collapse and bending caused by overlarge bolt load, solving the problem of difficult anchoring of the large cantilever steel cantilever beam and the concrete bridge pier, and the force transmission path of the cantilever beam can ensure that the load on the upper part of the cantilever beam is uniformly transmitted to the concrete pier, the construction method has the characteristics of simple and clear structure stress, simplicity in processing, high construction efficiency and the like, and is wide in application range.

Drawings

Fig. 1 is a schematic view of the anchoring of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic view of the back structure of the middle anchoring main board of the present invention.

In the figure: 1. anchoring the main board; 2. longitudinal stiffening plates; 3. a transverse stiffener; 4. an anti-drop plate; 5. a beam body; 6. a wedging plate; 7. anchoring the splint; 8. anchoring the supporting plate; 9. positioning and punching; 10. positioning the screw hole; 11. fitting the groove.

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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a big cantilever steel outrigger anchor, including anchor mainboard 1, a plurality of location screw 10 have been seted up on anchor mainboard 1, two anchor splint 7 of front side fixedly connected with of anchor mainboard 1, fixedly connected with anchor layer board 8 between the bottom inner wall of two anchor splint 7, be equipped with between two anchor splint 7 and agree with groove 11, it is embedded to be equipped with in agree with groove 11 and agrees with plywood 6, agree with board 6 and the 5 fixed connection of roof beam body, a plurality of location perforation 9 have all been seted up on the anchor splint 7, a plurality of vertical stiffener 2 of back fixedly connected with and a plurality of horizontal stiffener 3 of anchor mainboard 1, wherein a plurality of anticreep boards 4 of fixedly connected with on the outer wall of horizontal stiffener 3.

The beam body 5 and the conjunction plates 6 are cast into an integral structure, the conjunction plates 6 are arranged on two sides of the beam body 5, and the beam body 5 and the conjunction plates 6 at two ends of the beam body are integrally in an I-shaped structure.

Wherein, location screw 10 corresponds the setting with location perforation 9, corresponds location screw 10 on the compoboard 6 and has seted up the preformed hole, can further consolidate anchor mainboard 1 and compoboard 6.

The section of the fit groove 11 is of a T-shaped structure, the width of the beam body 5 is equal to the distance between the two anchoring clamping plates 7, and the beam body 5 is prevented from moving left and right.

The longitudinal stiffening plates 2 and the transverse stiffening plates 3 are perpendicular to each other, the longitudinal stiffening plates 2 and the transverse stiffening plates 3 are perpendicular to the anti-falling plates 4, the multi-directional supporting effect is achieved, stress is distributed on the linear structures, and the situation of local stress concentration is avoided.

Specifically, when the utility model is used and concrete bridge piers are poured, the anchoring main board 1 and the bridge piers are poured into an integral structure, so that the longitudinal stiffening plates 2, the transverse stiffening plates 3 and the anti-drop plates 4 can be embedded into a concrete structure, the anchoring main board 1 is flush with the plane of the bridge piers, in the process of installing the steel adjusting beam, the beam body 5 is lifted by the hoisting equipment to the upper side of the anchoring main board 1, so that the conjunction plates 6 are embedded in alignment with the conjunction grooves 11, the anchoring supporting plate 8 effectively supports the conjunction plates 6, the left and the right anchoring clamping plates 7 can effectively limit the steel outriggers, thereby facilitating the bolts to be embedded into the positioning through holes 9 and the positioning screw holes 10, playing the role of further reinforcing the steel outriggers, through the stress analysis, the connecting stress between the anchoring main board 1 and the steel outriggers is effectively dispersed on the contact parts of the anchoring clamping plates 7 and the anchoring supporting plate 8, the stress between the anchoring main board 1 and the concrete bridge is effectively dispersed on the contact parts of the stiffening plates and the main board 1, thereby effectively avoiding the situation that the stress is concentrated on the bolt and the local concrete.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

Claims

1. A large cantilever steel cantilever beam anchoring device comprises an anchoring main board (1) and is characterized in that, a plurality of positioning screw holes (10) are formed in the anchoring main board (1), two anchoring clamp plates (7) are fixedly connected to the front side of the anchoring main board (1), an anchoring supporting plate (8) is fixedly connected between the inner walls of the bottom ends of the two anchoring clamp plates (7), a conjunction groove (11) is formed between the two anchoring clamp plates (7), a wedging plate (6) is embedded in the wedging groove (11), the wedging plate (6) is fixedly connected with the beam body (5), a plurality of positioning through holes (9) are respectively arranged on the anchoring clamping plates (7), a plurality of longitudinal stiffening plates (2) and a plurality of transverse stiffening plates (3) are fixedly connected with the back of the anchoring main plate (1), wherein the outer wall of the transverse stiffening plate (3) is fixedly connected with a plurality of anti-drop plates (4).

2. The large cantilever steel cantilever anchoring device according to claim 1, wherein: the beam body (5) and the conjunction plate (6) are cast into an integral structure, and the conjunction plate (6) is arranged on two sides of the beam body (5).

3. The large cantilever steel cantilever anchoring device according to claim 1, wherein: the positioning screw hole (10) is arranged corresponding to the positioning through hole (9), and a preformed hole is formed in the wedge plate (6) corresponding to the positioning screw hole (10).

4. The large cantilever steel cantilever anchoring device according to claim 1, wherein: the section of the conjunction groove (11) is of a T-shaped structure, and the width of the beam body (5) is equal to the distance between the two anchoring clamping plates (7).

5. The large cantilever steel cantilever anchoring device according to claim 1, wherein: the longitudinal stiffening plate (2) and the transverse stiffening plate (3) are perpendicular to each other, and the longitudinal stiffening plate (2) and the transverse stiffening plate (3) are perpendicular to the anti-falling plate (4).