CN217729107U - But angle regulation's box girder prefabrication pedestal wedge steel sheet positioner - Google Patents

Abstract

The utility model discloses a but angle regulation's prefabricated pedestal wedge steel sheet positioner of case roof beam belongs to bridge engineering technical field, and its technical scheme main points include the pedestal, the mounting groove has been seted up to the up end of pedestal, the inside bottom of mounting groove is provided with down holds in the palm the steel sheet, the up end four corners department that holds in the palm the steel sheet down all is provided with the regulation post, and is a plurality of the top of adjusting the post is provided with the steel sheet of holding in the palm, the support groove has been seted up to the up end of holding in the palm the steel sheet, hold in the palm the inside in the palm of groove that holds in the palm the groove in the groove, the inside in the groove is provided with pre-buried steel sheet, strictly adjusts pre-buried steel sheet according to design angle when the case roof beam is prefabricated, has avoided the pedestal atress inequality problems such as the pedestal warp, through placing pre-buried steel sheet in the support groove of holding in the upper end of holding in the palm, has restricted pre-buried steel sheet horizontal direction's displacement, adopts the screw rod and the threaded connection mode of adjusting nut to realize the slope adjustment of pre-buried steel sheet, is favorable to the accurate adjustment of pre-buried steel sheet height and angle and has guaranteed construction quality.

Description

A wedge-shaped steel plate positioning device for box girder prefabricated pedestal with adjustable angle

technical field

The utility model relates to the technical field of bridge engineering, in particular to a wedge-shaped steel plate positioning device for a box girder prefabricated pedestal with an adjustable angle.

Background technique

In the bridge structure, the rubber bearing is the connection point between the upper and lower structures of the bridge. Its function is to transfer the load of the upper structure to the bridge pier smoothly and safely, and at the same time ensure that the upper structure is stable under load, temperature change, concrete shrinkage, etc. Free deformation under the action of various factors, so that the actual stress of the structure conforms to the calculation diagram, and protect the beam ends and pier caps from damage.

The existing wedge-shaped steel plate positioning device for the prefabricated pedestal of the box girder is inconvenient to adjust the height and angle of the embedded steel plate during use. , It is easy to cause quality problems such as deformation of the pedestal.

Utility model content

Aiming at the above problems, the utility model proposes an angle-adjustable box girder prefabricated pedestal wedge-shaped steel plate positioning device to solve the above problems.

The utility model is achieved in this way, a wedge-shaped steel plate positioning device for prefabricated pedestal of box girder with adjustable angle, comprising:

A pedestal, the upper end surface of the pedestal is provided with an installation groove, and the inner bottom of the installation groove is provided with a lower supporting steel plate, and the four corners of the upper end surface of the lower supporting steel plate are all provided with adjustment columns, and the plurality of adjustment columns The top is provided with an upper supporting steel plate, and the upper end surface of the upper supporting steel plate is provided with a bracket, and the inside of the bracket is provided with a pre-embedded steel plate;

A plurality of said adjusting columns are used to adjust the height and angle of the pre-embedded steel plate. The said adjusting column comprises a casing fixedly connected to the upper end surface of the supporting steel plate. The inside of said casing is plugged with a screw, and the outer wall of said screw is An adjusting nut is threadedly connected, and the top end of the screw rod is movably connected with the lower end surface of the upper supporting steel plate through a movable part.

In order to facilitate the adjustment of the angle of the pre-embedded steel plate, it is preferred as a wedge-shaped steel plate positioning device for the box girder prefabricated pedestal with an adjustable angle of the present invention. The inside of the U-shaped frame is movably connected with a connecting block through a revolving pin, and the other end of the connecting block is fixedly connected with the top of the screw rod.

In order to limit the rotation pin and prevent the rotation pin from slipping off the back of the U-shaped frame, as a wedge-shaped steel plate positioning device for an adjustable angle box beam prefabricated pedestal of the utility model, the outer wall of one end of the rotation pin penetrates through a limited holes.

In order to prevent the adjusting nut from entering the inside of the casing and affect the normal use of the device, as a wedge-shaped steel plate positioning device for an adjustable angle box beam prefabricated pedestal of the utility model, the diameter of the adjusting nut is smaller than that of the casing. the inside diameter of.

In order to make the upper end surface of the pre-embedded steel plate flush with the upper end surface of the upper supporting steel plate, as a kind of adjustable angle box girder prefabricated pedestal wedge-shaped steel plate positioning device of the present invention is preferred, the internal depth of the bracket and the pre-embedded The thickness of the steel plates is the same.

In order to avoid that the left and right ends of the upper supporting steel plate are in contact with the inner left and right sides of the installation groove when adjusting the angle of the upper supporting steel plate, the wedge-shaped steel plate positioning device for the prefabricated box beam prefabricated pedestal with an adjustable angle of the utility model is preferred. , the left and right ends of the upper supporting steel plate have a certain distance from the left and right sides of the installation groove.

Compared with the prior art, the beneficial effects of the utility model are:

The angle-adjustable wedge-shaped steel plate positioning device for the box girder prefabricated pedestal adjusts the embedded steel plate strictly according to the design angle during the prefabrication of the box girder, so that the embedded steel plate and the pedestal are located on the same horizontal line, avoiding uneven force on the pedestal, which causes Due to quality problems such as deformation of the pedestal, the horizontal displacement of the embedded steel plate is limited by placing the embedded steel plate inside the bracket on the upper end of the upper support plate, and multiple vertically downward screws push the upper support plate upward. A casing pulls the pre-embedded steel plate downwards, thereby limiting the vertical displacement of the upper support plate. The slope adjustment of the pre-embedded steel plate is realized by using the threaded connection between the screw rod and the adjusting nut. The elongation of the screw rod can be precisely controlled. It is beneficial to the precise adjustment of the height and angle of the pre-embedded steel plate and ensures the construction quality.

Description of drawings

Fig. 1 is the overall three-dimensional structural diagram of the utility model;

Fig. 2 is the schematic diagram of partial structure decomposition of the utility model;

Fig. 3 is an enlarged schematic diagram of the movable parts of the utility model.

In the figure, 1. pedestal; 2. installation groove; 3. lower supporting steel plate; 4. adjustment column; 5. upper supporting steel plate; 6. bracket; 7. embedded steel plate; 1. Adjusting nut; 11. Movable parts; 12. U-shaped frame; 13. Repin; 14. Connecting block; 15. Limiting hole.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the present invention. In addition, in the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

Please refer to Figure 1-3, a wedge-shaped steel plate positioning device for prefabricated box girder pedestal with adjustable angle, including:

The pedestal 1, the upper end surface of the pedestal 1 is provided with a mounting groove 2, the inner bottom of the mounting groove 2 is provided with a lower supporting steel plate 3, and the four corners of the upper end surface of the lower supporting steel plate 3 are provided with adjustment columns 4, and the plurality of adjustment columns 4 The top is provided with an upper supporting steel plate 5, and the upper end surface of the upper supporting steel plate 5 is provided with a bracket 6, and the inside of the bracket 6 is provided with a pre-embedded steel plate 7;

A plurality of adjustment columns 4 are used to adjust the height and angle of the embedded steel plate 7. The adjustment column 4 includes a sleeve 8 fixedly connected to the upper end surface of the lower supporting steel plate 3. The inside of the sleeve 8 is inserted with a screw 9, and the outer wall of the screw 9 An adjusting nut 10 is threadedly connected, and the top end of the screw rod 9 is movably connected with the lower end surface of the upper supporting steel plate 5 through a movable part 11 .

In this embodiment: during the prefabrication of the box girder, the embedded steel plate 7 is adjusted strictly according to the design angle, so that the embedded steel plate 7 and the pedestal 1 are located on the same horizontal line, and quality problems such as uneven force on the pedestal 1 and deformation of the pedestal 1 are avoided , by placing the pre-embedded steel plate 7 inside the bracket 6 on the upper end surface of the upper support steel plate 5, the horizontal displacement of the pre-embedded steel plate 7 is limited, and a plurality of vertically downward screw rods 9 tighten the upper support steel plate 5 upwards, A plurality of sleeves 8 tighten the pre-embedded steel plate 7 downwards, thus limiting the vertical displacement of the upper supporting steel plate 5, and the slope adjustment of the pre-embedded steel plate 7 is realized by using the threaded connection mode of the screw rod 9 and the adjusting nut 10, and the screw rod 9 The elongation can be precisely controlled, which is beneficial to the precise adjustment of the height and angle of the embedded steel plate 7 and ensures the construction quality.

As a technical optimization scheme of the present utility model, the movable part 11 includes a U-shaped frame 12 fixedly connected to the lower end surface of the upper supporting steel plate 5, and the inside of the U-shaped frame 12 is movably connected with a connecting block 14 through a revolving pin 13. The connecting block 14 The other end is fixedly connected with the top of screw rod 9.

In this embodiment: through the setting of the connecting block 14 and the U-shaped frame 12, the screw rod 9 is flexibly connected with the supporting steel plate 5, which is convenient for adjusting the angle of the pre-embedded steel plate 7.

As a technical optimization solution of the present invention, a limiting hole 15 is opened through the outer wall of one end of the revolving pin 13 .

In this embodiment: through the setting of the limiting hole 15, it is convenient to limit the rotation pin 13, and avoid the rotation pin 13 slipping from the back of the U-shaped frame 12, which will affect the use of the device.

As a technical optimization solution of the present invention, the diameter of the adjusting nut 10 is smaller than the inner diameter of the casing 8 .

In this embodiment: the diameter of the adjusting nut 10 is smaller than the inner diameter of the casing 8 to prevent the adjusting nut 10 from entering the inside of the casing 8 and affect the normal use of the device.

As a technical optimization scheme of the present invention, the inner depth of the bracket 6 is the same as the thickness of the pre-embedded steel plate 7 .

In this embodiment: the inner depth of the bracket 6 is the same as the thickness of the embedded steel plate 7 , so that the upper end surface of the embedded steel plate 7 is flush with the upper end surface of the upper supporting steel plate 5 .

As a technical optimization scheme of the present invention, the left and right ends of the upper supporting steel plate 5 have a certain distance from the left and right sides of the installation groove 2 respectively.

In this embodiment: the left and right ends of the upper supporting steel plate 5 have a certain distance from the inner left and right sides of the installation groove 2, so as to avoid the adjustment of the angle of the upper supporting steel plate 5, the left and right ends of the upper supporting steel plate 5 and the installation The inner left and right sides of the groove 2 are in contact, which affects the use of the device.

The working principle and use process of the utility model: directly hang and place during installation, and adjust the pre-embedded steel plate 7 through a plurality of adjustment columns 4 to ensure that the angle of the pre-embedded steel plate 7 meets the design requirements, so that the pre-embedded steel plate 7 and the pedestal 1 are located on the same horizontal line, which avoids quality problems such as deformation of the pedestal 1 due to uneven force on the pedestal 1. displacement, a plurality of vertically downward screw rods 9 will tighten the upper supporting steel plate 5 upwards, and a plurality of sleeves 8 will tighten the upper supporting steel plate 5 downwards, thus limiting the vertical displacement of the upper supporting steel plate 5. 9 and the threaded connection of the adjusting nut 10 realize the slope adjustment of the embedded steel plate 7 (according to the height difference between the two adjusting columns 4 on the left and the two adjusting columns 4 on the right, the slope of the embedded steel plate 7 is determined slope), the elongation of the screw rod 9 can be precisely controlled, which is conducive to the precise adjustment of the height and angle of the embedded steel plate 7 and ensures the construction quality.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model should be included in the utility model. within the scope of protection.

Claims (6)

1. An angle-adjustable box girder prefabricated pedestal wedge-shaped steel plate positioning device is characterized in that it includes: A pedestal (1), the upper end surface of the pedestal (1) is provided with a mounting groove (2), the inner bottom of the mounting groove (2) is provided with a lower supporting steel plate (3), and the lower supporting steel plate (3) Adjustment columns (4) are arranged at the four corners of the upper end surface of the upper end surface, and upper supporting steel plates (5) are arranged on the top ends of a plurality of said adjusting columns (4), and brackets ( 6), the inside of the bracket (6) is provided with a pre-embedded steel plate (7); A plurality of said adjustment columns (4) are used to adjust the height and angle of the embedded steel plate (7), and said adjustment column (4) comprises a casing (8) fixedly connected to the upper end surface of the lower supporting steel plate (3), so The inside of the casing (8) is inserted with a screw (9), the outer wall of the screw (9) is threaded with an adjusting nut (10), and the top of the screw (9) is connected to the upper end by the movable part (11) The lower end surface of the supporting plate (5) is flexibly connected. 2. The angle-adjustable wedge-shaped steel plate positioning device for box girder prefabricated pedestal according to claim 1, characterized in that: the movable part (11) includes a U-shaped plate fixedly connected to the lower end surface of the upper supporting steel plate (5). frame (12), the inside of the U-shaped frame (12) is movably connected with a connecting block (14) through a revolving pin (13), and the other end of the connecting block (14) is fixedly connected with the top of the screw rod (9). 3. The angle-adjustable wedge-shaped steel plate positioning device for the box girder prefabricated pedestal according to claim 2, characterized in that: the outer wall of one end of the revolving pin (13) is penetrated with a limited hole (15). 4. The angle-adjustable wedge-shaped steel plate positioning device for prefabricated box girder pedestal according to claim 1, characterized in that: the diameter of the adjusting nut (10) is smaller than the inner diameter of the casing (8). 5. The angle-adjustable wedge-shaped steel plate positioning device for the prefabricated box girder pedestal according to claim 1, characterized in that: the inner depth of the bracket (6) is the same as the thickness of the embedded steel plate (7). 6. The angle-adjustable wedge-shaped steel plate positioning device for box girder prefabricated pedestal according to claim 1, characterized in that: the left and right ends of the upper supporting steel plate (5) are respectively connected with the inner left and right sides of the installation groove (2). There is a certain distance on both sides.

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