Rapid positioning device for steel box girder

Abstract

The utility model discloses a quick positioning device for a steel box girder, which comprises piers and a quick positioning frame body, mounting seats are arranged at the tops of the piers, the upper parts of the mounting seats are connected with the steel box girder, the quick positioning frame body is arranged between the two piers, and universal wheels are arranged at the bottom of the quick positioning frame body. Hydraulic jacks are arranged on the two sides of the top end of the interior of the rapid positioning frame body, ejector rods are arranged in the hydraulic jacks, and one ends of the ejector rods are connected with the balance moving seat. The adjusting roller is embedded in the notch, the position of the inclined steel box girder can be adjusted through the adjusting roller, the steel box girder is made to be located at the accurate installation position, the adjusting roller is driven in an electric mode, the electric adjusting mode is more labor-saving and rapid, the power of the adjusting roller is increased, and the adjusting roller can be used for adjusting the position of the inclined steel box girder. And the positioning time of the steel box girder is shortened, so that the rapid positioning effect is achieved, and operation is easier.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related field of steel box girder installation, in particular to a kind of steel box girder quick positioning device. BACKGROUND

[0002] Steel box girder, also called steel plate box girder, is the structural form commonly used in long-span bridge, generally used in large-span bridge, and steel plate box girder is the structural form commonly used in engineering, and it is called steel box girder because it looks like a box, and steel box girder is generally connected by top plate, bottom plate, web, transverse diaphragm, longitudinal diaphragm and stiffening rib through full-welding mode, wherein the top plate is the orthotropic bridge deck composed of cover plate and longitudinal stiffening rib.

[0003] In the prior art, there are still some deficiencies in the installation process of steel box girder, and the position of traditional steel box girder installation is usually adjusted by crane, and the position of steel box girder needs to be positioned, which needs the cooperation of many people, and the position of steel box girder installation needs to be adjusted in the air, and when steel box girder falls to the installed position, a certain deviation may occur, which may cause the installed position to be skewed, and the position of steel box girder needs to be adjusted many times, which increases the positioning time of steel box girder and is not convenient for installation. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of steel box girder quick positioning device to solve the problems of the position of traditional steel box girder installation being usually adjusted by crane, the position of steel box girder needing to be positioned, the cooperation of many people being needed, the position of steel box girder installation needing to be adjusted in the air, a certain deviation being likely to occur when steel box girder falls to the installed position, the installed position being skewed, the position of steel box girder needing to be adjusted many times, the positioning time of steel box girder being increased and the installation being inconvenient.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a rapid positioning device for steel box girders, comprising a pier and a rapid positioning frame. The top of the pier is provided with a mounting seat, which is connected to the steel box girder. The rapid positioning frame is positioned between two piers. The bottom of the rapid positioning frame is provided with casters. Hydraulic jacks are provided on both sides of the top of the interior of the rapid positioning frame. A top rod is provided inside each hydraulic jack, and one end of the top rod is connected to a balance moving seat. A support platform is provided below the balance moving seat. A movable plate is provided in the middle of the interior of the balance moving seat. A partition is provided in the middle of the upper part of the movable plate. A drive motor is provided on the outer side of the partition. A roller fixing frame is provided on the inner side of the partition. An adjusting roller is provided inside the roller fixing frame. A positioning guide sleeve is provided at the other end of the interior of the movable plate. A positioning guide rod is provided inside the positioning guide sleeve. An angle limiting block is provided at the bottom edge of the balance moving seat. A limiting block is provided at one end of the bottom of the movable plate. A groove is provided on the surface of the mounting seat. A lifting block is provided at the bottom of the interior of the mounting seat.

[0006] In a further embodiment, the adjusting roller is connected to the slot by an inlay, and the number of adjusting rollers is at least two.

[0007] In a further embodiment, the surfaces connecting the lifting block and the limiting block are both designed as inclined surfaces, and the lifting block and the limiting block are combined to form a rectangular structure.

[0008] In a further embodiment, the movable plate and the lifting block are slidably connected, and the movable plate and the balance moving seat are rotatably connected via an angle adjustment shaft.

[0009] In a further embodiment, the bottom surface of the balancing moving seat is slidably connected to the support platform, and the support platform is welded to the quick positioning frame.

[0010] In a further embodiment, the angle limiting block and the balance moving seat are fixedly connected by bolts, and the cross-section of the balance moving seat is set as a U-shaped structure.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1、The utility model discloses a regulating roller is embedded in the inside of the notched, can adjust the position of the skew steel box girder using regulating roller, make steel box girder be located in the accurate installation position, and regulating roller is driven through the electric mode, and the electric adjustment mode is more labor saving and fast, not only increase the power of regulating roller, but also speed up the positioning time of steel box girder, make it reach the effect of fast positioning, more easily operate, and regulating roller is equipped with telescopic structure, and the regulating roller is installed or disassembled with mounting seat through the telescopic mode, simplify the operation step, more easily adjust the position of steel box girder positioning. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structural diagram of a steel box girder quick positioning device of the utility model;

[0014] Figure 2 It is the sectional structure diagram of regulating roller and mounting seat of the utility model;

[0015] Figure 3 It is the reset structure diagram of movable plate of the utility model;

[0016] Figure 4 It is the top view of mounting seat of the utility model.

[0017] In the drawing: 1, pier;2, mounting seat;3, steel box girder;4, balance mobile seat;5, support platform;6, jacking rod;7, hydraulic jack;8, quick positioning frame body;9, universal wheel;10, regulating roller;11, roller fixed frame;12, movable plate;13, jacking block;14, limit block;15, partition;16, drive motor;17, angle limit block;18, positioning guide rod;19, angle adjusting shaft;20, positioning guide sleeve;21, notched. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0019] Please refer to Figures 1-4The utility model provides a kind of embodiment: a kind of steel box girder quick positioning device, including pier 1 and quick positioning frame body 8, the top of pier 1 is equipped with mounting seat 2, the top of mounting seat 2 is connected with steel box girder 3, quick positioning frame body 8 is equipped between two piers 1, the bottom of quick positioning frame body 8 is equipped with universal wheel 9, the top of the inside of quick positioning frame body 8 is equipped with hydraulic jack 7, the inside of hydraulic jack 7 is equipped with top rod 6, one end of top rod 6 is connected with balance movable seat 4, the lower side of balance movable seat 4 is equipped with support platform 5, the inside of balance movable seat 4 is equipped with movable plate 12 in middle position, the middle position of the top of movable plate 12 is equipped with baffle 15, the outside of baffle 15 is equipped with driving motor 16, the inside of baffle 15 is equipped with roller fixed frame 11, the inside of roller fixed frame 11 is equipped with adjusting roller 10, the inside of movable plate 12 is equipped with positioning guide sleeve 20 in another end, the inside of positioning guide sleeve 20 is equipped with positioning guide rod 18, the edge position of the bottom of balance movable seat 4 is equipped with angle limit block 17, one end of the bottom of movable plate 12 is equipped with limit block 14, the surface of mounting seat 2 is equipped with notch 21, adjusting roller 10 is connected with notch 21 by inlaying, and the number of adjusting roller 10 is equipped with at least two, and adjusting roller 10 is combined with notch 21 by inlaying connection, the bottom end of the inside of mounting seat 2 is equipped with jacking block 13;By mounting seat 2 for steel box girder 3 with pier 1 installation connection, by quick positioning frame body 8 for the position of steel box girder 3 installation is positioned, by hydraulic jack 7 for balance movable seat 4 telescopic adjustment, by balance movable seat 4 movable plate 12 is installed fixed, by movable plate 12 for increasing the coordination of height adjustment of adjusting roller 10, by baffle 15 for driving motor 16 installation fixed, by driving motor 16 for adjusting roller 10 is powered, by adjusting roller 10 for the installation position of steel box girder 3 is adjusted, by positioning guide rod 18 for the position of movable plate 12 is guided and positioned up and down, by angle limit block 17 for the angle of movable plate 12 is limited and fixed downward, by limit block 14 for the height of jacking of adjusting roller 10 is limited and fixed.

[0020] The surface of jacking block 13 and limit block 14 connected is all equipped as inclined plane structure, and jacking block 13 and limit block 14 combination is rectangular structure, by inclined plane structure can make movable plate 12 from lower to higher adjustment; Movable plate 12 and jacking block 13 are connected by sliding, and movable plate 12 and balance movable seat 4 are connected by angle adjusting shaft 19 rotation, by sliding convenient movable plate 12 and jacking block 13 split adjustment.

[0021] The bottom surface of the balanced moving seat 4 is connected with the support table 5 through sliding connection, and the support table 5 is connected with the quick positioning frame body 8 through welding connection, the sliding connection is used for increasing the sliding property of the balanced moving seat 4, and the balanced moving seat 4 is more labor-saving; the angle limiting block 17 is fixedly connected with the balanced moving seat 4 through bolts, and the section of the balanced moving seat 4 is provided with a U-shaped structure, and the angle limiting block 17 is fixed with the balanced moving seat 4 through the bolts.

[0022] Working principle: when in use, the quick positioning frame body 8 is moved to between the two piers 1 through the universal wheel 9, the movable plate 12 is aligned with the opening position of the mounting seat 2, the top rod 6 is driven to one end through the hydraulic jack 7, the movable plate 12 is moved into the mounting seat 2, the movable plate 12 is lifted upward through the jacking block 13, the movable plate 12 is coordinately operated through the angle adjusting shaft 19, the adjusting roller 10 is lifted, the adjusting roller 10 is inlaid with the slot 21, the adjusting roller 10 protrudes to the surface of the mounting seat 2, the steel box girder 3 is hoisted to the top end of the pier 1 through a crane, is placed on the mounting seat 2, is inlaid with the adjusting roller 10, the electric energy is converted into mechanical energy through the driving motor 16, the adjusting roller 10 is uniformly rotated, the position of the two ends of the steel box girder 3 is adjusted, the steel box girder 3 is located at the accurate mounting position, the top rod 6 is retracted to the other end through the hydraulic jack 7, the adjusting roller 10 is disassembled with the mounting seat 2, and the quick positioning frame body 8 is moved out, and the steel box girder 3 is inlaid and fixed with the mounting seat 2.

[0023] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A rapid positioning device for steel box girders, comprising a pier (1) and a rapid positioning frame (8), characterized in that: The top of the pier (1) is provided with a mounting base (2), and the upper part of the mounting base (2) is connected to the steel box girder (3). The quick positioning frame (8) is located between the two piers (1). The bottom of the quick positioning frame (8) is provided with casters (9). Hydraulic jacks (7) are provided on both sides of the top of the interior of the quick positioning frame (8). The hydraulic jacks (7) are provided with a top rod (6). One end of the top rod (6) is connected to the balance moving seat (4). A support platform (5) is provided below the balance moving seat (4). A movable plate (12) is provided in the middle of the interior of the balance moving seat (4). A middle position above the movable plate (12) is provided with A partition (15) is provided with a drive motor (16) on the outside of the partition (15), a roller fixing frame (11) is provided on the inside of the partition (15), an adjusting roller (10) is provided inside the roller fixing frame (11), a positioning guide sleeve (20) is provided at the other end of the interior of the movable plate (12), a positioning guide rod (18) is provided inside the positioning guide sleeve (20), an angle limiting block (17) is provided at the bottom edge of the balance moving seat (4), a limiting block (14) is provided at one end of the bottom of the movable plate (12), a groove (21) is provided on the surface of the mounting seat (2), and a lifting block (13) is provided at the bottom end of the interior of the mounting seat (2).

2. The rapid positioning device for steel box girders according to claim 1, characterized in that: The adjusting roller (10) is connected to the slot (21) by an inlay, and the number of adjusting rollers (10) is at least two.

3. The rapid positioning device for steel box girders according to claim 1, characterized in that: The surfaces connecting the lifting block (13) and the limiting block (14) are both designed as inclined surfaces, and the lifting block (13) and the limiting block (14) are combined to form a rectangular structure.

4. The rapid positioning device for steel box girders according to claim 1, characterized in that: The movable plate (12) and the lifting block (13) are slidably connected, and the movable plate (12) and the balance moving seat (4) are rotatably connected through the angle adjustment shaft (19).

5. The rapid positioning device for steel box girders according to claim 1, characterized in that: The bottom surface of the balance moving seat (4) is slidably connected to the support platform (5), and the support platform (5) is welded to the quick positioning frame (8).

6. The rapid positioning device for steel box girders according to claim 1, characterized in that: The angle limiting block (17) and the balance moving seat (4) are fixedly connected by bolts, and the cross section of the balance moving seat (4) is set as a U-shaped structure.

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