CN219772741U

CN219772741U - A device of transferring that is used for hanging basket continuous beam to hold in palm end

Info

Publication number: CN219772741U
Application number: CN202321083803.9U
Authority: CN
Inventors: 张磊; 许传稳; 白玉良
Original assignee: Yangtze Ecology and Environment Co Ltd
Current assignee: Yangtze Ecology and Environment Co Ltd
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2023-09-29
Anticipated expiration: 2033-05-08

Abstract

The utility model provides a lowering device for a pocket bottom of a cradle continuous beam, which comprises a support frame arranged at a pre-buried hole position on a bridge deck, wherein a tensioning jack is arranged on the support frame, a lower anchor is arranged below the support frame, an upper anchor is arranged at the telescopic end of the tensioning jack, a lower clamping piece and an upper clamping piece for fixing a steel strand are respectively arranged at the upper sides of the lower anchor and the upper anchor, and the steel strand connected with the pocket bottom sequentially passes through the pre-buried hole, the lower anchor, the lower clamping piece, the tensioning jack, the upper anchor and the upper clamping piece. The device enables the bottom of the pocket to descend at a constant speed, and improves the operation safety.

Description

A device of transferring that is used for hanging basket continuous beam to hold in palm end

Technical Field

The utility model relates to the field of bridge construction, in particular to a lowering device for a cradle continuous beam bottom.

Background

The hanging basket construction is a main device for the sectional construction of the prestressed concrete continuous beam, the T-shaped steel structure and the cantilever beam, and can integrally move forward along the track, and the hanging basket construction is available: the truss type hanging basket, the triangular hanging basket, the prismatic hanging basket, the inclined pulling hanging basket and the like are the most widely applied in bridge construction. Because of adopting the basket construction, when the cantilever is cast-in-situ, in order to prevent tools and construction materials for construction from falling from the high altitude, a protective bottom is generally erected in the area below the cast-in-situ number section for construction. When the pocket bottom is put down and constructed, because the hanging basket position is higher, the construction safety risk of putting down is high, and the workman needs to be under the pocket bottom above the construction, realizes putting down the pocket through chain block, and workman's manual operation is very easy to cause the pocket bottom unstability when workman's frequency of putting down is inconsistent, has increased the safety risk of hanging basket and has put down the work progress.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a lowering device for a bottom of a continuous beam pocket of a hanging basket, so that the bottom of the pocket descends at a uniform speed, and the operation safety is improved.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a device of transferring for hanging basket continuous beam is closed at bottom, including setting up the support frame in pre-buried hole position on the bridge floor, be equipped with the stretch-draw jack on the support frame, the support frame below is equipped with down the ground tackle, and the flexible end of stretch-draw jack is equipped with the ground tackle, and lower ground tackle and last ground tackle upside are equipped with down clamping piece and last clamping piece that fixes the steel strand wires respectively, and the steel strand wires of being connected at bottom with the closed at bottom pass pre-buried hole in proper order, lower ground tackle, lower clamping piece, stretch-draw jack, go up ground tackle and last clamping piece.

In the preferred scheme, the support frame includes two sets of support longerons and two sets of support crossbeams, and the support crossbeam sets up in the support longeron upside, and pre-buried hole and lower ground tackle set up between two sets of support longerons.

In the preferred scheme, the supporting beam upside is equipped with two sets of limiting plates, and the limiting plate sets up in the both sides of tensioning jack.

According to the lowering device for the bottom of the hanging basket continuous beam pocket, the tensioning jacks extend upwards to be raised relative to the steel strands, then the steel strands are locked through the upper anchors and the upper clamping pieces, the tensioning jacks are fixed with the steel strands, the tensioning jacks retract to realize the lowering of the steel strands, and a plurality of groups of tensioning jacks are opened and closed simultaneously to realize the synchronous lowering of the bottom of the pocket. The hanging basket is placed under the hanging basket continuously Liang Dou instead of manual operation of workers, is quick and effective, and is convenient to use, safe and reliable.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a schematic view of the mounting structure of the present utility model;

FIG. 2 is an enlarged view of FIG. 1 at A;

in the figure: the device comprises a pre-buried hole 1, a supporting frame 2, a tensioning jack 3, a lower anchor 4, an upper anchor 5, a lower clamping piece 6, an upper clamping piece 7, steel strands 8, a pocket bottom 9, a supporting longitudinal beam 201, a supporting cross beam 202 and a limiting plate 203.

Detailed Description

As shown in fig. 1-2, a device for lowering a basket continuous beam pocket bottom comprises a support frame 2 arranged at the position of an embedded hole 1 on a bridge deck, wherein a tensioning jack 3 is arranged on the support frame 2, the tensioning jack 3 is a 60T tensioning jack, a hydraulic pump station controls the opening and closing of the tensioning jack 3, a lower anchor 4 is arranged below the support frame 2, an upper anchor 5 is arranged at the telescopic end of the tensioning jack 3, a lower clamping piece 6 and an upper clamping piece 7 for fixing a steel strand 8 are respectively arranged on the upper sides of the lower anchor 4 and the upper anchor 5, the steel strand 8 connected with the pocket bottom 9 sequentially penetrates through the embedded hole 1, the lower anchor 4, the lower clamping piece 6, the tensioning jack 3, the upper anchor 5 and the upper clamping piece 7, and the steel strand 8 is 15.2 steel strands.

Preferably, the support frame 2 includes two sets of support longerons 201 and two sets of support crossbeams 202, and support crossbeams 202 set up in support longeron 202 upside, and support longeron 201 and support crossbeams 202 constitute "well" font, and pre-buried hole 1 and lower ground tackle 4 set up between two sets of support longerons 201, and tensioning jack 3 sets up in the middle of support longeron 201 and support crossbeams 202 constitute "well" font structure, make things convenient for penetrating of steel strand wires 8.

Preferably, two sets of limiting plates 203 are arranged on the upper side of the supporting beam 202, and the limiting plates 203 are arranged on two sides of the tensioning jack 3. By arranging the limiting plate 203, the installation and the positioning of the tensioning jack 3 are facilitated, and the tensioning jack is located right above the embedded hole 1.

The device comprises a pre-buried hole 1, a supporting frame 2, a tensioning jack 3, a lower anchor 4, an upper anchor 5, a lower clamping piece 6, an upper clamping piece 7, steel strands 8, a pocket bottom 9, a supporting longitudinal beam 201, a supporting cross beam 202 and a limiting plate 203.

The method comprises the following operation steps:

1. four groups of the lowering devices are arranged, the lower ends of four steel strands 8 are fixed around the bottom 9 of the pocket, and the upper ends of the steel strands 8 penetrate out of the embedded holes 1.

2. The support frame 2 and the lower anchor 4 are placed at the pre-buried hole 1, the steel strand 8 penetrates into the lower anchor 4 and is locked by the lower clamping piece 6, and the steel strand 8 cannot move.

3. And (3) erecting the tensioning jack 3 and the upper anchor 5, pushing the tensioning jack 3 to a 30cm idle stroke, and penetrating the steel stranded wires 8 into the tensioning jack 3 and the upper anchor 5 and fixing the steel stranded wires through the upper clamping piece 7.

4. The lower clamping piece 6 on the lower anchorage device 4 is loosened, the oil pump is started, the four groups of tensioning jacks 3 prop against the supporting frame 2, and meanwhile the steel stranded wires 8 are lowered.

5. After the steel strand 8 is put down for 30cm of travel, the lower clamping piece 6 is installed to lock the steel strand 8, then the upper clamping piece 7 on the upper anchorage device 5 is loosened, the tensioning jack 3 is pushed to 30cm of idle travel, the tensioning jack 3 stretches out relative to the steel strand 8, and then the upper clamping piece 7 locks the steel strand 8.

And repeating the steps four to five in sequence until the bottom of the pocket 9 is completely lowered.

The device is suitable for the continuous Liang Dou downward placing construction of the hanging basket, is quick and effective, and is convenient to use, safe and reliable.

Claims

1. A device of transferring that is used for hanging basket continuous beam to hold in the palm, its characterized in that: including support frame (2) of setting up pre-buried hole (1) position on the bridge floor, be equipped with tensioning jack (3) on support frame (2), support frame (2) below is equipped with down ground tackle (4), the flexible end of tensioning jack (3) is equipped with ground tackle (5), down ground tackle (4) and last ground tackle (5) upside are equipped with down clamping piece (6) and last clamping piece (7) that fix steel strand wires (8) respectively, pass pre-buried hole (1) in proper order with steel strand wires (8) that are connected at the bottom of the pocket, down ground tackle (4), down clamping piece (6), tensioning jack (3), go up ground tackle (5) and last clamping piece (7).

2. A lowering device for a continuous beam pocket of a basket according to claim 1, wherein: the support frame (2) comprises two groups of support longitudinal beams (201) and two groups of support cross beams (202), the support cross beams (202) are arranged on the upper sides of the support longitudinal beams (201), and the embedded holes (1) and the lower anchor devices (4) are arranged between the two groups of support longitudinal beams (201).

3. A lowering device for a continuous beam pocket of a basket as defined in claim 2, wherein: two groups of limiting plates (203) are arranged on the upper side of the supporting beam (202), and the limiting plates (203) are arranged on two sides of the tensioning jack (3).