Steel pipe tied arch bridge arch rib hoisting and pouring construction device

Abstract

The utility model belongs to the technical field of arch bridge construction, and particularly relates to a steel pipe tied arch bridge arch rib hoisting and pouring construction device which comprises a hoisting device and a pouring device. The hoisting device comprises a first steel wire rope connected with a tower crane, an electric hoist is installed at the lower end of the first steel wire rope through an upper support and connected with an arch rib connection auxiliary positioning mechanism through a second steel wire rope, the mechanism comprises an outer frame, and a first electric push rod drives a pressing plate to clamp and fix an arch rib. The U-shaped support on the outer side of the outer frame is provided with a second electric push rod and a third electric push rod, height adjustment and horizontal positioning of the arch rib are achieved, and three-dimensional positioning of the arch rib is achieved. The pouring device is connected with a concrete conveying pump through a rubber conveying hose, and multi-angle pouring is achieved through the adjusting function of the hoisting device. The method has the advantages of being accurate in positioning, high in construction efficiency, high in adaptability and the like.

Description

TECHNICAL FIELD

[0001] The utility model belongs to arch bridge construction technical field, concretely relates to a kind of steel pipe tied arch bridge arch rib hoisting and pouring construction device. BACKGROUND

[0002] In the construction of steel pipe tied arch bridge, as the core load-bearing structure, the hoisting positioning accuracy and construction efficiency of arch rib directly affect the overall quality of bridge.

[0003] However, the traditional construction method needs to rely on multiple sets of temporary support frames to cooperate with manual adjustment for the spatial positioning of the bent pipe-shaped arch rib, and the arch rib posture needs to be adjusted manually during high-altitude operation. It is difficult to butt joint the arch rib, and the positioning of the arch rib can only be completed by manual repeated alignment, resulting in large installation difficulty. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a kind of steel pipe tied arch bridge arch rib hoisting and pouring construction device, can be more simply completed to the hoisting positioning work of arch rib, realizes arch rib height adjustment and horizontal positioning.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] A kind of steel pipe tied arch bridge arch rib hoisting device, including arch rib connecting auxiliary positioning mechanism, the arch rib connecting auxiliary positioning mechanism includes arch rib connecting piece, U-shaped support is fixedly connected on the arch rib connecting piece by connecting support, the upper side of the U-shaped support is fixedly connected with second electric push rod, the both sides of the U-shaped support are fixedly connected with third electric push rod.

[0007] Further, the arch rib connecting piece includes outer frame, a compression plate is vertically slidably connected in the outer frame, a first electric push rod is fixedly connected to the upper end of the outer frame, and the piston rod of the first electric push rod is fixedly connected with the compression plate.

[0008] Further, it further includes first steel wire rope, upper support, electric hoist, second steel wire rope;

[0009] The lower end of the first steel wire rope is fixedly connected with the upper support; the electric hoist is symmetrically installed at the both ends of the upper support, and the electric hoist is connected with the arch rib connecting piece through the second steel wire rope.

[0010] Further, the upper side of the outer frame is fixedly connected with a first lifting ring, the lower end of the second steel wire rope is fixedly connected with a hook, and the first lifting ring can be hung outside the hook.

[0011] The utility model discloses a kind of arch rib pouring construction devices of steel pipe tied arch bridge, including pouring discharge pipe, the rear end of the pouring discharge pipe is communicated with rubber transmission hose, the rubber transmission hose is communicated by connecting pipe and concrete delivery pump, two second lifting eyes are fixedly connected on the pouring discharge pipe upper side, the second lifting eye can be hung on hook.

[0012] The utility model discloses technical effects are obtained:

[0013] The utility model discloses a kind of arch rib hoisting and pouring construction devices of steel pipe tied arch bridge, and the height of arch rib to be installed can be adjusted by starting second electric push rod, third electric push rod is started, and the horizontal position of arch rib to be installed can be adjusted, so that the hoisting positioning work of arch rib can be more simply completed, arch rib height adjustment and horizontal positioning are realized. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic view of the utility model discloses a kind of arch rib hoisting device of steel pipe tied arch bridge;

[0015] Figure 2 It is the structure schematic view of arch rib connecting auxiliary positioning mechanism of the utility model;

[0016] Figure 3 It is the structure schematic view of a kind of arch rib pouring construction devices of steel pipe tied arch bridge of the utility model.

[0017] In the drawings, the component list represented by each sign is as follows:

[0018] 1, first steel wire rope;2, upper support;3, electric hoist;4, second steel wire rope;5, hook;6, first lifting eye;7, outer frame;8, compression plate;9, first electric push rod;10, connecting support;11, U-shaped support;12, second electric push rod;13, universal wheel;14, third electric push rod;15, moving wheel;16, pouring discharge pipe;17, rubber transmission hose;18, second lifting eye. DETAILED DESCRIPTION

[0019] In order to make the purpose and the advantage of the utility model more clearly clear, the utility model is specifically explained below with examples. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model, and does not strictly limit the protection scope specifically requested by the utility model. EMBODIMENT

[0020] As Figures 1-2As shown in the figure, the steel pipe tied arch bridge arch rib hoisting device, the upper end of the first steel wire rope 1 can be connected with the tower crane, the lower end of the first steel wire rope 1 is fixedly connected with the upper support 2, the lower end of the upper support 2 is fixedly connected with the electric hoist 3, the lower end of the electric hoist 3 is installed with the arch rib connecting auxiliary positioning mechanism through the second steel wire rope 4, the second steel wire rope 4 can be wound or unwound through the electric hoist 3, that is, the height of the arch rib connecting auxiliary positioning mechanism can be adjusted, when the two ends of the arch rib are connected with the two arch rib connecting auxiliary positioning mechanisms respectively, the inclination of the arch rib can be adjusted by adjusting the height of the two arch rib connecting auxiliary positioning mechanisms.

[0021] Here, it should be noted that the arch rib applied in the technical solution is preferably a bent pipe-shaped arch rib, i.e., an arch rib with a circular cross section.

[0022] The arch rib connecting auxiliary positioning mechanism comprises an arch rib connecting piece connected with the second steel wire rope 4, a U-shaped support 11 fixedly connected with the arch rib connecting piece through a connecting support 10, a second electric push rod 12 fixedly connected with the upper side of the U-shaped support 11, a universal wheel 13 fixedly connected with the piston rod of the second electric push rod 12, a third electric push rod 14 fixedly connected with the two sides of the U-shaped support 11, and a moving wheel 15 fixedly connected with the piston rod of the third electric push rod 14. At this time, when the arch rib is installed, the arch rib is moved to the side of the installed arch rib through the lifting tool, the U-shaped support 11 is located on the outside of the installed arch rib, the two arch ribs are abutted, the height of the to-be-installed arch rib is adjusted by starting the second electric push rod 12, and the horizontal position of the to-be-installed arch rib is adjusted by starting the third electric push rod 14, so that the hoisting and positioning work of the arch rib can be completed more simply, and the friction can be reduced through the universal wheel 13 and the moving wheel 15 during the movement.

[0023] As Figures 1-2 shown, the arch rib connecting piece comprises an outer frame 7 connected with the second steel wire rope 4, which can be fixedly connected or has a first lifting ring 6 fixedly connected with the upper side of the outer frame 7, a hook 5 fixedly connected with the lower end of the second steel wire rope 4, and the first lifting ring 6 can be hung outside the hook 5, so that the connection between the second steel wire rope 4 and the outer frame 7 can be completed through the hook 5 and the first lifting ring 6, and the connecting support 10 is also fixedly connected with the outer frame 7.

[0024] The inside of the outer frame 7 is vertically and slidably connected with a pressing plate 8, the upper end of the outer frame 7 is fixedly connected with a first electric push rod 9, and the piston rod of the first electric push rod 9 is fixedly connected with the pressing plate 8. At this time, when the arch rib is placed in the outer frame 7, the pressing plate 8 is moved by the first electric push rod 9 to clamp the arch rib, so that the outer frame 7 can be fixed on the outside of the arch rib. Embodiment

[0025] AsFigures 1-3 As shown, the embodiment discloses a steel pipe tied arch bridge arch rib pouring construction device on the basis of example one, including pouring discharge pipe 16, the front end of pouring discharge pipe 16 is arranged in an opening, for discharging, the rear end of pouring discharge pipe 16 is communicated with rubber transmission hose 17, for the feeding of pouring discharge pipe 16, rubber transmission hose 17 is communicated by connecting pipe and concrete delivery pump, at this time, concrete can be delivered to pouring discharge pipe 16 by concrete delivery pump, and discharging is carried out by pouring discharge pipe 16.

[0026] Two second lifting eyes 18 are fixedly connected to the upper side of pouring discharge pipe 16, the second lifting eye 18 can be hung on the hook 5, when pouring is carried out after hoisting is completed, the arch rib connecting auxiliary positioning mechanism can be disassembled, the connection of both ends of pouring discharge pipe 16 and the second steel wire rope 4 is completed through the second lifting eye 18 and the hook 5, at this time, the angle of pouring discharge pipe 16 can be adjusted through the electric hoist 3, and the angle when pouring discharge pipe 16 pours is controlled.

[0027] The above is only the preferred embodiment of the present application, it should be pointed out that for ordinary skilled person in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, these improvements and refinements should also be considered as the protection scope of the present application. The structure, device and operation method not specifically described and explained in the present application, if no special description and limitation, are implemented according to conventional means in the art.

Claims

1. A hoisting device for the arch ribs of a steel pipe tied arch bridge, characterized in that: The system includes an arch rib connection auxiliary positioning mechanism, which includes an arch rib connector. A U-shaped bracket (11) is fixedly connected to the arch rib connector via a connecting bracket (10). A second electric push rod (12) is fixedly connected to the upper side of the U-shaped bracket (11), and a third electric push rod (14) is fixedly connected to both sides of the U-shaped bracket (11).

2. The steel pipe tie-rod arch bridge arch rib hoisting device according to claim 1, characterized in that: The piston rod of the second electric push rod (12) is fixedly connected to a universal wheel (13), and the piston rod of the third electric push rod (14) is fixedly connected to a movable wheel (15).

3. The steel pipe tie-rod arch bridge arch rib hoisting device according to claim 1, characterized in that: The arch rib connector includes an outer frame (7), a pressure plate (8) is vertically slidably connected inside the outer frame (7), and a first electric push rod (9) is fixedly connected to the upper end of the outer frame (7). The piston rod of the first electric push rod (9) is fixedly connected to the pressure plate (8).

4. The steel pipe tie-rod arch bridge arch rib hoisting device according to claim 3, characterized in that: It also includes a first wire rope (1), an upper support (2), an electric hoist (3), and a second wire rope (4); The lower end of the first wire rope (1) is fixedly connected to the upper bracket (2); the electric hoist (3) is symmetrically installed at both ends of the upper bracket (2), and the electric hoist (3) is connected to the arch rib connector through the second wire rope (4).

5. The steel pipe tie-rod arch bridge arch rib hoisting device according to claim 4, characterized in that: The upper side of the outer frame (7) is fixedly connected to a first lifting ring (6), and the lower end of the second wire rope (4) is fixedly connected to a hook (5). The first lifting ring (6) can be hung on the outside of the hook (5).

6. A construction device for casting the arch rib of a steel pipe tied arch bridge, employing the arch rib hoisting device for a steel pipe tied arch bridge as described in claim 5, characterized in that: The steel pipe tied arch bridge arch rib casting construction device includes a casting discharge pipe (16), the rear end of which is connected to a rubber transmission hose (17), the rubber transmission hose (17) is connected to a concrete pump through a connecting pipe, and two second lifting rings (18) are fixedly connected to the upper side of the casting discharge pipe (16), the second lifting rings (18) can be hung on a hook (5).

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