CN212077638U - A removable and detachable steel box girder assembled tire frame - Google Patents

Abstract

The utility model discloses a bed-jig is assembled to portable steel box roof beam of dismantling, including the bed-jig main part that is used for supporting the steel box roof beam, the middle part of bed-jig main part is provided with fortune roof beam passageway, fortune roof beam passageway department is provided with portable bed-jig, portable bed-jig includes the bed-jig crossbeam and supports a plurality of bed-jig stands in bed-jig crossbeam lower part, the both ends of bed-jig crossbeam can be dismantled with the crossbeam of fortune roof beam passageway both sides bed-jig main part respectively and be connected, the lower extreme of bed-jig stand is inlayed and is equipped with climbing mechanism, the mobile mechanism that can receive up is installed to one side lower extreme of bed-jig stand, the lower extreme of bed-jig stand is provided. The utility model has the advantages of reasonable design, through the portable bed-jig of fortune roof beam passageway position department installation at bed-jig main part middle part, not only can guarantee the structural stability of steel box girder bed-jig, make the steel box girder bed-jig remove simple swift again, labour saving and time saving has improved the efficiency of construction, has reduced human cost's input, and then effectively practices thrift construction cost.

Description

A removable and detachable steel box girder assembled tire frame

technical field

The utility model belongs to the technical field of bridge construction, in particular to a movable and disassembled steel box girder assembled tire frame.

Background technique

Steel box girder is a commonly used structural form of long-span bridges. It is generally composed of top plate, bottom plate, waist plate, transverse diaphragm, longitudinal diaphragm and stiffeners through all-welded connections. The traditional assembly method is generally carried out outdoors. The sections of the steel box girder are transported to the construction site, and after welding and assembly on site, they are set on the bridge piers.

During the construction of the steel box girder, there are many tire frames at the beam transport channel, the weight is large, and the working space under the beam is limited. During the construction of the existing steel box girder, it is necessary to temporarily assemble the tire frame in the construction site, and the middle part is reserved for transportation. In the beam channel, the brackets at the existing beam channel are connected separately by bolts when the outriggers and the cross-bracing beam are connected. When moving, workers need to disassemble and lift them. Due to the limited height of the tire frame, the construction personnel are inconvenient to operate, and the construction efficiency is relatively slow.

Utility model content

The technical problem to be solved by the utility model is to provide a movable and disassembled steel box girder assembled tire frame in view of the above-mentioned deficiencies in the prior art, and its structural design is reasonable. The movable tire frame can not only ensure the structural stability of the steel box girder tire frame, but also make the movement of the steel box girder tire frame simple and fast, saving time and effort, improving the construction efficiency, reducing the input of labor costs, and effectively saving construction costs. .

In order to solve the above-mentioned technical problems, the technical scheme adopted by the present utility model is: a movable and disassembled steel box girder assembled tire frame, which is characterized in that it comprises a tire frame main body for supporting the steel box girder, and the tire frame main body has a A beam transport channel is provided in the middle, and a movable tire frame is arranged at the beam transport channel. The movable tire frame includes a tire frame beam and a plurality of tire frame columns supported at the lower part of the tire frame beam. Both ends are detachably connected to the beams of the main body of the tire frame on both sides of the beam transport channel, the lower end of the tire frame column is embedded with a jacking mechanism, and the lower end of one side of the tire frame column is installed with a retractable moving mechanism, The lower end of the tire frame upright is provided with a mounting plate for mounting the jacking mechanism.

The above-mentioned movable and disassembled steel box girder assembled tire frame is characterized in that: the lifting mechanism is a hydraulic jack.

The above-mentioned movable and disassembled steel box girder assembled tire frame is characterized in that: the oil cylinder of the jacking mechanism is fixed at the lower part of the mounting plate, and the piston end of the jacking mechanism is completely retracted and embedded in the tire frame column Internally, the piston end of the jacking mechanism is fully extended and then protrudes to the lower end of the tire frame upright.

The above-mentioned movable and disassembled steel box girder assembled tire frame is characterized in that: the moving mechanism is a universal wheel and is hingedly mounted on the lower end of the tire frame column through the wheel frame.

The above-mentioned movable and disassembled steel box girder assembled tire frame is characterized in that: the hinged section of the wheel frame is C-shaped, the hinged section of the wheel frame is sleeved on the outside of the tire frame column, and the wheel frame is The hinge section is hingedly connected with the tire frame upright through the hinge shaft.

The above-mentioned removable and detachable steel box girder assembled tire frame is characterized in that: after the wheel frame is put down, it is fixed to the tire frame column by a latch, and a lower part of one side of the tire frame column is provided with a bolt hole mutually with the wheel frame. Mating post pin holes.

The above-mentioned movable and disassembled steel box beam assembled tire frame is characterized in that: one side of the tire frame column is provided with a hook for retracting the wheel frame, and one side of the wheel frame is provided with a hook for hanging of the wheel frame latch holes.

The above-mentioned movable and disassembled steel box girder assembled tire frame is characterized in that: the lower part of the tire frame beam supports two tire frame columns, and the upper ends of the tire frame columns are fixed to the lower part of the tire frame beam.

The above-mentioned movable and disassembled steel box girder assembled tire frame is characterized in that: a bottom plate for support by the jacking mechanism is provided directly below the tire frame column.

Compared with the prior art, the utility model has the following advantages:

1. The utility model installs the movable tire frame at the position of the beam transport channel in the middle of the tire frame main body. When the movable tire frame is installed at the position of the beam transport channel and is tightly connected with the tire frame main body, the tire frame is formed. The steel box beam can be assembled on the tire frame.

2. In the present invention, the two ends of the cross beam of the tire frame of the movable tire frame are detachably connected to the cross beams of the main body of the tire frame on both sides of the transport beam passage, which facilitates the installation and disassembly of the movable tire frame. When the box beam is moved, the movable tire frame can be quickly disassembled, thereby freeing up the beam transport channel, ensuring convenient construction and improving beam moving efficiency.

3. In the present invention, a jacking mechanism is embedded in the lower end of the vertical column of the tire frame. When the movable tire frame is moved to the position of the transport beam passage, the cross beam of the tire frame of the movable tire frame can be lifted to the design elevation through the jacking mechanism. The rear is connected with the main body of the tire frame as a whole, which can effectively improve the construction efficiency and has a wide range of applications.

4. The utility model installs a retractable moving mechanism at the lower end of one side of the tire frame column, which facilitates the push of the movable tire frame, saves time and effort, and can effectively reduce the input of labor costs, thereby effectively saving construction costs.

To sum up, the structural design of the utility model is reasonable. By installing the movable tire frame at the position of the beam transport channel in the middle of the tire frame main body, not only the structural stability of the steel box girder tire frame can be ensured, but also the steel box girder tire frame can be ensured. The movement is simple and fast, saving time and effort, improving the construction efficiency, reducing the input of labor costs, and effectively saving construction costs.

The technical solutions of the present utility model will be described in further detail below through the accompanying drawings and embodiments.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model.

FIG. 2 is a schematic structural diagram of the utility model after removing the movable tire frame.

FIG. 3 is a schematic structural diagram of a tire frame upright column after lowering the moving mechanism of the present invention.

FIG. 4 is an enlarged view of part A of FIG. 3 .

FIG. 5 is a schematic structural diagram of the rear tire frame column of the utility model for retracting the moving mechanism.

FIG. 6 is an enlarged view of part B of FIG. 5 .

Explanation of reference numbers:

1—the main body of the tire frame; 2—the channel for transporting the beam; 3—the beam of the tire frame;

4—the tire frame column; 4-1—the bolt hole of the column; 5—the jacking mechanism;

6—moving mechanism; 7—wheel frame; 8—hook;

9—bolt; 10—base plate; 11—installation plate.

Detailed ways

As shown in FIGS. 1 to 6 , the present invention includes a frame body 1 for supporting a steel box girder. A beam transport channel 2 is arranged in the middle of the frame body 1 , and a beam transport channel 2 is provided at the beam transport channel 2 . The movable tire frame includes a tire frame beam 3 and a plurality of tire frame columns 4 supported at the lower part of the tire frame beam 3. The two ends of the tire frame beam 3 are respectively connected with the tire frames on both sides of the beam transport channel 2. The cross beam of the main body 1 is detachably connected, the lower end of the tire frame column 4 is embedded with a jacking mechanism 5, and the lower end of one side of the tire frame column 4 is installed with a retractable moving mechanism 6, the tire frame column 4 The lower end is provided with a mounting plate 11 for the jacking mechanism 5 to be mounted on.

In actual use, by installing the movable tire frame at the position of the beam transport channel 2 in the middle of the tire frame body 1, when the movable tire frame is installed at the position of the beam transport channel 2, and is fastened with the tire frame body 1 When connected as a whole, the whole steel box girder frame is formed, and the steel box girder can be assembled on the steel box girder frame.

It should be noted that, by detachably connecting the two ends of the tire frame beam 3 of the movable tire frame to the beams of the tire frame main body 1 on both sides of the beam transport channel 2, it is convenient to install and install the movable tire frame. When dismantling, when the assembled steel box girder is moved, the movable tire frame can be quickly disassembled, thereby freeing up the girder transportation channel 2, ensuring convenient construction and improving the efficiency of beam moving.

In this embodiment, by embedding a jacking mechanism 5 at the lower end of the tire frame upright 4, when the movable tire frame moves to the position of the beam transport channel 2, the lifting mechanism 5 can be used to lift the movable tire frame The tire frame beam 3 is connected to the tire frame main body 1 after being lifted up to the design elevation, which can effectively improve the construction efficiency and has a wide range of applications.

In actual use, by installing a retractable moving mechanism 6 at the lower end of one side of the tire frame column 4, it is convenient to push the movable tire frame, saving time and effort, and can effectively reduce the input of labor costs, thereby effectively saving construction costs.

In this embodiment, the tire frame beams 3 of the movable tire frame and the tire frame main bodies 1 on both sides are connected by bolts, which is convenient for installation and disassembly.

In this embodiment, the jacking mechanism 5 is a hydraulic jack.

In this embodiment, the oil cylinder of the jacking mechanism 5 is fixed at the lower part of the mounting plate 11 , the piston end of the jacking mechanism 5 is completely retracted and then embedded in the tire frame upright 4 , the piston of the jacking mechanism 5 is After the end is fully extended, it protrudes to the lower end of the tire frame upright column 4 .

In actual use, by embedding the jacking mechanism 5 inside the tire frame upright column 4, the movable tire frame can be easily moved, and the jacking mechanism 5 can be prevented from interfering with the movable tire frame.

It should be noted that, by fully extending the piston end of the jacking mechanism 5, it can protrude to the lower end of the tire frame upright 4, so that the tire frame upright 4 can be jacked up to a certain height, so that the lower end of the tire frame upright 4 can be raised to a certain height. There is a certain gap between the lower support surfaces, which provides a certain installation space for the rotating installation of the moving mechanism 6 .

In this embodiment, the lifting mechanism 5 can lift the tire frame uprights 4 to a certain height, so that the distance between the tire frame uprights 4 and the lower support surface is sufficient for the moving mechanism 6 to flexibly rotate and retract.

In this embodiment, the moving mechanism 6 is a universal wheel and is hingedly mounted on the lower end of the tire frame upright 4 through the wheel frame 7 .

In actual use, by setting the moving mechanism 6 as a universal wheel, it is convenient to move the movable tire frame flexibly.

It should be noted that the moving mechanism 6 is hinged to the lower end of the tire frame upright 4 through the wheel frame 7, so that the moving mechanism 6 can be rotated and stored conveniently.

In this embodiment, the hinge section of the wheel frame 7 is C-shaped, the hinge section of the wheel frame 7 is sleeved on the outside of the tire frame column 4, and the hinge section of the wheel frame 7 is connected to the tire frame column through the hinge shaft. 4 Hinged connections.

In actual use, the moving mechanism 6 is installed on the closed end of the wheel frame 7. When the wheel frame 7 rotates so that the moving mechanism 6 is located at the lower part of the tire frame column 4, there is a gap between the closed end of the wheel frame 7 and the lower end of the tire frame column 4. A certain gap ensures that the wheel frame 7 can rotate flexibly.

As shown in FIGS. 3 and 4 , in this embodiment, the wheel frame 7 is fixed to the tire frame upright 4 through a latch 9 after being put down, and a lower part of one side of the tire frame upright 4 is provided with a latch hole for the wheel frame to cooperate with each other. The upright pin hole 4-1.

In actual use, when the wheel frame 7 is lowered, the wheel frame 7 can be fixed by the latch 9, so as to improve the connection reliability between the wheel frame 7 and the tire frame column 4, and avoid the failure of the movable tire frame during the moving process. This will result in a certain amount of human and material damage.

In this embodiment, both the wheel frame pin hole and the column pin hole 4-1 are round holes with the same diameter.

As shown in FIG. 5 and FIG. 6 , in this embodiment, a hook 8 for retracting the wheel frame 7 is provided on one side of the tire frame upright 4 , and a hook 8 is provided on one side of the wheel frame 7 for hanging of the wheel frame latch holes.

In actual use, when the wheel frame 7 is retracted, the wheel frame 7 can be fixed by the hook 8 to prevent the moving mechanism 6 from falling and damage during the assembly process of the steel box beam.

In this embodiment, one end of the hook 8 is fixed on the tire frame upright 4, and the hook 8 can be disassembled at any time by opening a wheel frame latch hole on one side of the wheel frame 7 for hanging the hook 8, thereby realizing the wheel frame 7 free spins.

In this embodiment, the lower part of the tire frame beam 3 supports two tire frame uprights 4 , and the upper ends of the tire frame uprights 4 are fixed to the lower part of the tire frame beam 3 .

In actual use, the tire frame beams 3 and the tire frame uprights 4 are not arranged perpendicular to each other, and the arrangement of the two tire frame uprights 4 can ensure the stability and balance of the movable tire frame.

In this embodiment, a bottom plate 10 for supporting the jacking mechanism 5 is disposed directly below the tire frame uprights 4 .

In actual use, the bottom plate 10 is a rectangular steel plate and is placed horizontally on the ground.

When the utility model is actually used, the jacking mechanism 5 is first retracted, the moving mechanism 6 is lowered, the movable tire frame is pushed to the position of the beam transport channel 2, and the top of the movable tire frame is raised by the jacking mechanism 5. After the elevation is designed, the moving mechanism 6 is retracted, and the tire frame beam 3 in the movable tire frame is fastened and connected with the tire frame main body 1 on both sides by bolts to form a complete steel box beam tire frame. The top of the tire frame is assembled with the steel box beam; when the steel box beam is assembled, the bolts between the movable tire frame and the main body 1 of the tire frame can be removed, and the moving mechanism 6 can be lowered, and the entire structure can be lowered through the jacking mechanism 5. The movable tire frame is so that the movable tire frame is supported on the ground by the moving mechanism 6, and then the movable tire frame is pushed out of the transport beam channel 2, and the assembled steel box girder is assembled at the beam transport channel 2. run away.

The above are only preferred embodiments of the present utility model, and do not limit the present utility model. Any simple modifications, changes and equivalent structural changes made to the above embodiments according to the technical essence of the present utility model still belong to the scope of the present utility model. within the protection scope of the technical solution of the present utility model.

Claims (9)

1. A removable and disassembled steel box girder assembling tire frame is characterized in that: it comprises a tire frame main body (1) for supporting the steel box girder, and the middle part of the tire frame main body (1) is provided with a beam transport channel (1). 2), a movable tire frame is provided at the beam transport channel (2), and the movable tire frame includes a tire frame beam (3) and a plurality of tire frame uprights (4) supported at the lower part of the tire frame beam (3). ), the two ends of the tire frame beam (3) are detachably connected to the beams of the tire frame main body (1) on both sides of the beam transport channel (2), and the lower end of the tire frame column (4) is embedded with a jack-up Mechanism (5), a retractable moving mechanism (6) is installed on the lower end of one side of the tire frame column (4), and a lower end of the tire frame column (4) is provided with a lifting mechanism (5) for installation Mounting plate (11). 2 . The movable and disassembled steel box girder assembled tire frame according to claim 1 , wherein the jacking mechanism ( 5 ) is a hydraulic jack. 3 . 3. A removable and detachable steel box girder assembled tire frame according to claim 2, characterized in that: the oil cylinder of the jacking mechanism (5) is fixed on the lower part of the mounting plate (11), and the jacking The piston end of the mechanism (5) is fully retracted and embedded in the tire frame column (4), and the piston end of the jacking mechanism (5) is fully extended and protrudes to the lower end of the tire frame column (4). 4. A movable and disassembled steel box girder assembled tire frame according to claim 1, characterized in that: the moving mechanism (6) is a universal wheel and is hingedly mounted on the tire frame through the wheel frame (7). The lower end of the upright column (4). 5. A movable and disassembled steel box girder assembled tire frame according to claim 4, characterized in that: the hinged section of the wheel frame (7) is C-shaped, and the hinged section of the wheel frame (7) It is sleeved on the outside of the tire frame upright column (4), and the hinge section of the wheel frame (7) is hingedly connected with the tire frame upright column (4) through a hinge shaft. 6. A movable and disassembled steel box girder assembled tire frame according to claim 5, characterized in that: after the wheel frame (7) is put down, it is fixed with the tire frame upright (4) by the latch (9), so that the The lower part of one side of the tire frame upright (4) is provided with upright post pin holes (4-1) that cooperate with the wheel carrier pin holes. 7. A movable and disassembled steel box beam assembled tire frame according to claim 6, characterized in that: one side of the tire frame column (4) is provided with a hook ( 8), one side of the wheel frame (7) is provided with a wheel frame latch hole for the hook (8) to hang. 8. A removable and detachable steel box girder assembled tire frame according to claim 1, characterized in that: the lower part of the tire frame beam (3) is supported with two tire frame uprights (4), the tire frame The upper end of the frame upright column (4) is fixed on the lower part of the tire frame beam (3). 9. A movable and disassembled steel box girder assembled tire frame according to claim 1, characterized in that: a bottom plate ( 10).

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