CN219839954U - Bridge girder erection machine linking bridge - Google Patents

Abstract

The utility model provides a bridge girder erection machine connecting bracket, which relates to the technical field of bridge girder erection machines and comprises an extension part, wherein the extension part is arranged on a junction pier and used for extending to form a position space at the outer edge of the junction pier; the anchor bars are embedded in the boundary piers and connected with the extension parts, so that the positions of the extension parts are fixed; the utility model is suitable for the bracket arrangement of the bridge girder erection machine, can perform conventional operation through materials on a construction site, provides a front fulcrum and a moving track for the bridge girder erection machine to cross, realizes the crossing operation of the bridge girder erection machine, and improves the universality of the bridge girder erection machine.

Description

Bridge girder erection machine linking bridge

Technical Field

The utility model relates to the technical field of bridge girder erection machines, in particular to a connecting bracket of a bridge girder erection machine.

Background

The construction quality of the assembled bridge is relatively reliable, intelligent steel bar processing, factory component prefabrication, standardized program construction and the like can be realized, so that the bridge construction speed is high, and meanwhile, the interference to surrounding traffic is small; in the concrete construction process, a bridge girder erection machine is required to be used for installing prefabricated pier columns, bridge abutment, beam plates and the like, so that the construction and the on-site pouring of the traditional support are avoided, the cost is saved, and the construction period is shortened.

For the bridge girder erection machine, all parameters of each type of bridge girder erection machine when leaving factories are determined, including dead weight, hanging weight, girder erection span and the like, the condition that the bridge girder erection machine cannot meet the span support condition of the bridge girder erection machine possibly occurs in a construction site, for example, when construction is carried out on a bridge juncture pier, a certain number of T girders are required to be erected, one side of the juncture pier is leaning against a thin-wall short column and a high bent cap, and when the supporting points of a front supporting point and a front supporting leg moving track during the span of the bridge girder erection machine cannot be provided within the width range of the bent cap, the bridge girder erection machine is blocked in the span process, and further the bridge construction is influenced.

Disclosure of Invention

The utility model aims to provide a bridge girder erection machine connecting bracket which solves the problem that the bridge girder erection machine is blocked when a junction pier cannot provide a supporting point of a front supporting point and a front supporting leg moving track when the bridge girder erection machine passes over.

The embodiment of the utility model is realized by the following technical scheme: the bridge girder erection machine connecting bracket is arranged on the junction pier and comprises an extension part, wherein the extension part is arranged on the junction pier and is used for extending to form a position space at the outer edge of the junction pier; the anchor bars are embedded in the boundary piers and connected with the extension parts, so that the positions of the extension parts are fixed;

further, the bridge girder erection machine also comprises a fulcrum component, wherein the fulcrum component is arranged at the outer side of the junction pier and is connected with the extension component for supporting a front fulcrum when the bridge girder erection machine passes over a span;

further, the bridge girder erection machine further comprises a moving part, wherein the moving part is arranged side by side with the fulcrum part and is connected with the extending part to assist the transverse movement of the bridge girder erection machine;

further, the extension part is a first I-steel, and the first I-steel is I-steel 3 b-shaped;

further, the fulcrum component is a second I-steel, and the second I-steel is I-steel 2I36 b;

further, the moving part is a steel rail;

further, the anchor bar is connected with the extension part through a steel bar connecting sleeve;

further, the extension part is connected with a sliding device, and the sliding device is connected with a balancing weight;

further, the device also comprises a connecting plate, and the connecting plate is welded with the extension part.

The technical scheme of the utility model has at least the following advantages and beneficial effects: firstly, through the setting of extension part, can provide the space position for the installation of bridge crane front pivot, on this basis, through the setting of anchor bar, can fix the position of extension part, and then can install the supporting point and the moving part of bridge crane in the space position that expands, the installation of the supporting point of "front pivot" and "front landing leg movable rail" when realizing bridge crane and crossing and then make bridge crane realize crossing the operation, has promoted bridge crane's commonality, has promoted bridge construction's efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a bridge girder erection machine connecting bracket provided in embodiment 1 of the present utility model;

fig. 2 is a schematic structural view of an anchor bar of a bridge girder erection machine connecting bracket provided in embodiment 1 of the present utility model;

fig. 3 is a schematic view of a first working state of a bridge girder erection machine connecting bracket according to embodiment 1 of the present utility model;

fig. 4 is a schematic diagram of a second working state of the bridge girder erection machine connecting bracket according to embodiment 1 of the present utility model;

fig. 5 is a schematic structural diagram of a sliding device of a bridge girder erection machine connecting bracket according to embodiment 2 of the present utility model.

Icon: 1-boundary piers, 2-extension parts, 3-fulcrum parts, 4-moving parts, 5-anchor bars, 6-steel bar connecting sleeves, 7-connecting plates, 8-backing stones, 9-sliding devices and 10-balancing weights.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The present embodiment provides a bridge girder erection machine connecting bracket, as shown in fig. 1-4, disposed on a boundary pier 1, including: the extension part 2 is arranged at the top of the boundary pier 1; the fulcrum component 3 is arranged outside the boundary pier 1 and connected with the extension component 2 for supporting a front fulcrum when the bridge girder erection machine passes the span; and the moving component 4 is arranged side by side with the fulcrum component 3 and connected with the extending component 2 to assist the transverse movement of the bridge girder erection machine.

It is worth mentioning that firstly, through the setting of extension part 2, can provide the spatial location for the installation of bridge crane front pivot, on this basis, through the setting of anchor bar 5, can fix the position of extension part 2, and then can install the supporting point and the moving part of bridge crane in the spatial location of expansion, realize the bridge crane and cross the installation of the supporting point of "front pivot" and "front landing leg movable rail" when striding and then make the bridge crane realize crossing the operation, promoted the commonality of bridge crane, promoted the efficiency of bridge construction.

1-2, the juncture pier 1 includes pier body, thin wall short column and bent cap, pier body bottom is connected with ground, the top is connected with thin wall short column, thin wall short column top is connected with bent cap, the bent cap top is equipped with a plurality of spaced array distributed packing stones 8, for example, erect 12T beams on the bridge approach and juncture pier 1 span, span 23m, juncture pier 1 width is 5m, one side of the pier is leaning on thin wall short column of 4m height 1.5 m width and bent cap of 2.5m height, thin wall short column is capped Liang Zonggao 6.5.5 m.

The extension parts 2 are distributed among the gaps of the cushion stones 8 at the top of the boundary pier 1 in an array manner as shown in fig. 1-2, the extension parts 2 are first I-steel, the first I-steel is I-steel 3 b-shaped, two first I-steel are in a group and are welded and fixed through a connecting plate 7, meanwhile, anchor bars 5 are pre-buried at the top of the boundary pier 1, and the anchor bars 5 areReinforcing steel bars; the two first I-steel corresponding anchor bars 5 of welded fastening are provided with the through holes, and the anchor bars 5 are connected with the first I-steel through the through holes and the steel bar connecting sleeve 6, and as the anchor bars 5 are buried in the boundary pier 1 in advance, the position fixing of the extension part 2 can be ensured, and meanwhile, the load of the bridge girder erection machine can be borne, and the stability of the bridge girder erection machine crossing span is improved.

The fulcrum component 3, as shown in fig. 1 and 4, is a second i-steel, which is a i-steel type 2i36 b; the second I-steel is arranged on the side face of the junction pier 1 and is welded or bolted with the first I-steel, and the second I-steel is perpendicular to the first I-steel and can provide a front supporting point position of the bridge girder erection machine on the side face of the junction pier 1.

The moving part 4 is shown in fig. 1, and is a steel rail, two second I-beams are arranged in parallel, the steel rail is welded and fixed with the top of the second I-beam close to the direction of the junction pier 1, and the steel rail can assist the bridge girder erection machine to transversely move after crossing, so that the erection of a T-beam is realized, and the working efficiency of the bridge girder erection machine is improved.

It is worth mentioning that the first I-steel, the second I-steel, the steel rail and the anchor bar 5 are all common materials in the construction site, and the method is simple, practical and cost-saving; furthermore, the mounting and the dismounting of the bracket can be completed only by hoisting operation, simple welding or cutting operation on site, so that the safety risk is low; finally, the method is suitable for the situation that the bridge girder erection machine overspan hardness index cannot be met or at the positions of different bridge type juncture piers 1, and has high universality.

Example 2

The main structure of the bridge girder erection machine connecting bracket is completely consistent with that of the embodiment 1, and the bridge girder erection machine connecting bracket is different in that the extension part is connected with a sliding device 9, the sliding device 9 is connected with a balancing weight 10, pulleys are symmetrically arranged in the sliding device 9, and the sliding device 9 can slide in and slide out along the first I-steel, so that the balancing weight can be conveniently installed, and the installation efficiency of the bracket is improved; the screw thread connection at the top of the sliding device 9 is provided with a rotary hand wheel, so that the rotary hand wheel is rotated to enable the end part of the rotary hand wheel to be abutted with the first I-steel to realize position locking, the position of the balancing weight 10 can be adjusted, and the stability of the bracket is improved.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (9)

1. The utility model provides a bridge crane linking bridge, sets up on juncture pier (1), its characterized in that includes:

the extension part (2) is arranged on the boundary pier (1) and used for extending to form a position space at the outer edge of the boundary pier;

the anchor bars (5) are embedded in the junction pier (1) and are connected with the extension part (2) so as to fix the position of the extension part (2).

2. A bridge girder erection machine connecting support as claimed in claim 1, further comprising a fulcrum member (3), wherein the fulcrum member (3) is disposed outside the boundary pier (1) and connected with the extension member (2) for supporting a front fulcrum when the bridge girder erection machine passes over a span.

3. A bridge girder erection machine connecting support according to claim 2, further comprising a moving member (4), said moving member (4) being arranged side by side with said fulcrum member (3) and being connected with said extending member (2) for assisting the lateral movement of the bridge girder erection machine.

4. A bridge girder erection machine connecting support according to claim 3, wherein the extension part (2) is a first i-steel, which is of the type i-steel 3 b.

5. A bridge girder erection machine connecting support according to claim 4, wherein the fulcrum member (3) is a second I-steel, which is of the type I-steel 2I36 b.

6. A bridge girder erection machine connecting support according to claim 5, characterized in that the moving parts (4) are rails.

7. A bridge girder erection machine connecting support according to claim 6, characterized in that the anchor bars (5) are connected to the extension part (2) by means of a steel bar connecting sleeve (6).

8. A bridge girder erection machine connecting bracket according to claim 7, characterized in that the extension part (2) is connected with a sliding device (9), the sliding device (9) being connected with a counterweight (10).

9. Bridge girder erection machine connecting bracket according to any of claims 1-8, further comprising a connecting plate (7), the connecting plate (7) being welded with the extension part (2).