Cast-in-place box girder edge protection device

Abstract

The utility model discloses a cast-in-place box girder edge protection device, which belongs to the technical field of cast-in-place box girder construction and comprises a connecting frame and a protection plate movably connected to the surface of the connecting frame, a moving groove is formed in the surface of the connecting frame, and a positioning rod is movably connected in the moving groove in the surface of the connecting frame. A fixing frame is fixed to the outer wall of one side of the protection plate, a through hole is formed in the outer wall of one side of the fixing frame, a connecting column is movably connected into the through hole of the fixing frame, a guide plate is fixed to one end of the connecting column, and a plurality of fixing pins are fixed to the outer wall of one side of the guide plate. A plurality of fixing holes matched with the fixing pins are formed in the outer wall of one side of the connecting frame, two positioning holes are formed in the outer wall of one side of the fixing frame, and positioning columns are movably connected into the positioning holes of the fixing frame. According to the cast-in-place box girder edge protection device, the protection plates can be moved according to construction requirements, use is more flexible and convenient, and meanwhile the manufacturing cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cast-in-place box girder construction technical field, and specifically relates to a cast-in-place box girder edge protection device. BACKGROUND

[0002] Cast-in-place box girder is a kind of beam in bridge engineering, inside is hollow, upper two sides have flange, similar to box, thus named, divided into single box, multiple boxes etc., cast-in-place box girder is mostly used in large-scale continuous bridge.At present, common prestressed reinforced concrete box girder and steel box girder, wherein, prestressed reinforced concrete box girder is constructed on site, and steel box girder is generally processed in factory and then transported to site for installation.

[0003] In order to ensure the safety of bridge high-altitude edge operation construction, it is necessary to set up a protective device, and the protective device in the prior art needs to be continuously disassembled and installed along with the movement of the construction personnel, but the protective fence is large in size, needs to be disassembled and assembled by multiple workers, is very troublesome, and in the process of installation and disassembly, since the protective device is arranged at the edge of the box girder, there is a certain safety hazard when the workers disassemble and assemble at the edge of the box girder. UTILITY MODEL CONTENTS

[0004] The utility model discloses a cast-in-place box girder edge protection device to solve the problem that the protective device in the prior art needs to be continuously disassembled and installed along with the movement of the construction personnel, but the protective fence is large in size, needs to be disassembled and assembled by multiple workers, is very troublesome, and in the process of installation and disassembly, since the protective device is arranged at the edge of the box girder, there is a certain safety hazard when the workers disassemble and assemble at the edge of the box girder.

[0005] To achieve the above object, the utility model provides the following technical scheme: a cast-in-place box girder edge protection device, which comprises a connecting frame and a protective plate movably connected to the surface of the connecting frame, a moving groove is formed in the surface of the connecting frame, and a positioning rod fixedly connected with the protective plate is movably connected in the moving groove of the surface of the connecting frame.

[0006] One side outer wall of the protective plate is fixedly connected with a fixed frame, a through hole is formed in one side outer wall of the fixed frame, a connecting column is movably connected in the through hole of the fixed frame, one end of the connecting column is fixedly connected with a guide plate, one side outer wall of the guide plate is fixedly connected with a plurality of fixed pins, a plurality of fixed holes matched with the fixed pins are formed in one side outer wall of the connecting frame, two positioning holes are formed in one side outer wall of the fixed frame, and a positioning column fixedly connected with the guide plate is movably connected in the positioning hole of the fixed frame.

[0007] In further embodiments, the two side outer walls of the positioning rod are fixedly connected with limit rods, an installation groove is formed in the bottom of the positioning rod, and a roller is rotatably connected with the installation groove in the bottom of the positioning rod through a rotating shaft.

[0008] In further embodiments, the bottom of the connecting frame is provided with a plurality of threaded holes, a fixed screw is threadedly connected in the threaded hole of the bottom of the connecting frame, a fixed block is fixed on the top of the fixed screw, and a handle one is fixed on the bottom of the fixed screw.

[0009] In further embodiments, the connecting column is externally sleeved with a fixed spring for supporting the guide plate, and a handle two is fixed on the end of the connecting column away from the fixed pin.

[0010] In further embodiments, the positioning column is internally provided with a moving hole, and a supporting spring is placed in the moving hole of the positioning column.

[0011] In further embodiments, both ends of the supporting spring are provided with a limiting sliding block movably connected with the positioning column, and a positioning pin movably connected with the positioning column is fixed on the end of the limiting sliding block away from the supporting spring.

[0012] The technical effects and advantages of the present utility model are as follows:

[0013] The cast-in-place box girder edge protection device has movable protection plates, which can adjust the positions of the protection plates on the surface of the connecting frame according to the construction progress of the construction personnel, do not need to repeatedly disassemble and assemble the protection plates, are more safe and convenient to use, and cooperate with the rollers to make the movement of the protection plates more labor-saving, and through the movable protection plates, the number of the protection plates is reduced, and the manufacturing cost of the protection device is reduced.

[0014] Through the support of the fixed spring on the guide plate, the plurality of fixed pins can be simultaneously inserted into the fixed holes on one side of the connecting frame, the position of the protection plate can be quickly fixed, the stability of the protection plate during the construction process is ensured, and thus the protection effect of the protection plate is ensured.

[0015] Through the movement of the connecting column and the guide plate driven by the handle two, the positioning column is moved, the positioning pin is moved to one side of the fixed frame, and under the elastic force of the supporting spring, the position of the guide plate and the fixed pin can be limited in cooperation with the positioning pin, the handle two needs to be pulled all the time during the movement of the protection plate, the use is more convenient, the cast-in-place box girder edge protection device can move the protection plate according to the construction requirement, is more flexible and convenient to use, and the manufacturing cost is saved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 The structural diagram of the fixed screw and the fixed block of the present application is shown in the figure.

[0018] Figure 2 The structural diagram of the fixed screw and the fixed block of the present application is shown in the figure.

[0019] Figure 3 The structural diagram of the fixed screw and the fixed block of the present application is shown in the figure.

[0020] Figure 4 The structural diagram of the fixed screw and the fixed block of the present application is shown in the figure.

[0021] Figure 5 The structural diagram of the fixed screw and the fixed block of the present application is shown in the figure.

[0022] In the figure: 1, connecting frame; 2, fixed screw; 3, fixed block; 4, handle 1; 5, protective plate; 6, positioning rod; 7, limiting rod; 8, roller; 9, fixed frame; 10, guide plate; 11, fixed pin; 12, connecting column; 13, fixed spring; 14, handle 2; 15, positioning column; 16, supporting spring; 17, positioning pin. Specific embodiments

[0023] In the following description, a large number of specific details are given in order to provide a more thorough understanding of the present application. However, it is obvious to those skilled in the art that the present application can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present application, some technical features known in the art are not described.

[0024] Unless the direction is defined separately, the up, down, left, right, front, back, inside and outside directions mentioned in this paper are based on the up, down, left, right, front, back, inside and outside directions in the figure of the present application, which are explained here.

[0025] Please refer to Figures 1-5The utility model provides a cast -in -place box girder edge protection device, including connecting frame 1 and the movable connection in the surface protection board 5 of connecting frame 1, the bottom of connecting frame 1 is equipped with a plurality of threaded holes, and the threaded hole in the bottom of connecting frame 1 is threadedly connected with fixed screw rod 2, the top of fixed screw rod 2 is welded with fixed block 3, and the bottom of fixed screw rod 2 is welded with handle no. 1 4, the connecting frame 1 is placed in the flange of box girder, and the fixed screw rod 2 is driven to rotate through handle no. 1 4, drives fixed block 3 to move, makes fixed block 3 adhere to the bottom of box girder flange, to make the stable connection between connecting frame 1 and box girder,

[0026] The surface of connecting frame 1 is provided with a moving groove, and the moving groove in the surface of connecting frame 1 is movably connected with a positioning rod 6 fixedly connected with the protection plate 5, the outer walls on both sides of the positioning rod 6 are fixed with limit rods 7 through bolts, the limit rods 7 can limit the position of the positioning rod 6, avoid the positioning rod 6 from sliding out of the connecting frame 1, and ensure the stability of the protection plate 5 on the surface of the connecting frame 1, the bottom of the positioning rod 6 is provided with a mounting groove, and the mounting groove in the bottom of the positioning rod 6 is rotatably connected with a roller 8 through a rotating shaft, the roller 8 can make the movement of the protection plate 5 more labor-saving, the movable protection plate 5 can adjust the position of the protection plate 5 on the surface of the connecting frame 1 according to the construction progress of the construction personnel, does not need to repeatedly disassemble and assemble the protection plate 5, is more safe and convenient to use, and the use amount of the protection plate 5 is reduced through the movable protection plate 5, and the manufacturing cost of the protection device is reduced,

[0027] The outer wall of one side of the protection plate 5 is welded with a fixing frame 9, the outer wall of one side of the fixing frame 9 is provided with a through hole, the through hole in the fixing frame 9 is movably connected with a connecting column 12, one end of the connecting column 12 is welded with a guide plate 10, the outer wall of one side of the guide plate 10 is welded with a plurality of fixed pins 11, the outer wall of one side of the connecting frame 1 is provided with a plurality of fixed holes matched with the fixed pins 11, the outer portion of the connecting column 12 is sleeved with a fixed spring 13 for supporting the guide plate 10, and the end, away from the fixed pin 11, of the connecting column 12 is welded with a handle no. 2 14, the guide plate 10 is supported through the fixed spring 13, the plurality of fixed pins 11 are simultaneously inserted into the fixed holes in one side of the connecting frame 1, the position of the protection plate 5 can be quickly fixed, the stability of the protection plate 5 is ensured during the construction process, and the protection effect of the protection plate 5 is ensured,

[0028] The outer wall of one side of the fixing frame 9 is provided with two positioning holes, and a positioning column 15 fixedly welded with the guide plate 10 is movably connected in the positioning hole of the fixing frame 9, the positioning column 15 is provided with a moving hole, and a supporting spring 16 is placed in the moving hole of the positioning column 15, both ends of the supporting spring 16 are provided with limiting sliding blocks movably connected with the positioning column 15, and the end of the limiting sliding block away from the supporting spring 16 is fixed with a positioning pin 17 movably connected with the positioning column 15, the connecting column 12 and the guide plate 10 are moved by the handle two 14, so that the positioning column 15 is moved, the positioning pin 17 is moved to one side of the fixing frame 9, and the position of the guide plate 10 and the fixed pin 11 can be limited by the elastic force of the supporting spring 16 and the cooperation of the positioning pin 17, so that the handle two 14 needs to be pulled all the time during the movement of the protective plate 5, and use is more convenient.

[0029] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein, the control mode of the utility model is controlled by a controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art, and the contents not described in detail in the description belong to the prior art known by the person skilled in the art.

[0030] In the description of the utility model, it should be understood that the indicated orientation or position relation is based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0031] Working principle:

[0032] The cast-in-place box girder edge protection device is used, the connecting frame 1 is placed outside the flange of the box girder, the fixed screw 2 is driven to rotate by the handle one 4, the fixed block 3 is driven to move, the fixed block 3 is tightly attached to the bottom of the box girder flange, so that the connecting frame 1 is stably connected with the box girder;

[0033] The construction personnel are protected by the protection plate 5, when the position of the construction personnel is moved, the connecting column 12 and the guide plate 10 are moved by the handle two 14, thereby moving the fixed pin 11, the fixed pin 11 is separated from the fixed hole on the connecting frame 1, meanwhile, the movement of the guide plate 10 can move the positioning column 15, the positioning pin 17 is moved to one side of the fixed frame 9, under the elastic force of the supporting spring 16, the position of the guide plate 10 and the fixed pin 11 is limited by the cooperation of the positioning pin 17, then the protection plate 5 is moved to the appropriate position;

[0034] After the protection plate 5 is moved to the appropriate position, the handle two 14 is pushed, the guide plate 10 is moved, the plurality of fixed pins 11 are simultaneously inserted into the fixed holes on one side of the connecting frame 1, the position of the protection plate 5 is quickly fixed, meanwhile, the guide plate 10 is stably supported under the elastic force of the fixed spring 13, the stability of the protection plate 5 is ensured during the construction process, thereby ensuring the protection effect of the protection plate 5.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A cast-in-place box girder edge protection device, comprising a connecting frame (1) and a protection plate (5) movably connected to the surface of the connecting frame (1), characterized in that: The surface of the connecting frame (1) is provided with a moving groove, and a positioning rod (6) fixedly connected with the protective plate (5) is movably connected in the moving groove on the surface of the connecting frame (1). One side outer wall of the protective plate (5) is fixedly connected with a fixed frame (9), a through hole is formed in one side outer wall of the fixed frame (9), a connecting column (12) is movably connected in the through hole of the fixed frame (9), one end of the connecting column (12) is fixedly connected with a guide plate (10), a plurality of fixed pins (11) are fixedly connected with one side outer wall of the guide plate (10), a plurality of fixed holes matched with the fixed pins (11) are formed in one side outer wall of the connecting frame (1), two positioning holes are formed in one side outer wall of the fixed frame (9), and a positioning column (15) fixedly connected with the guide plate (10) is movably connected in the positioning hole of the fixed frame (9).

2. The cast-in-place box girder edge protection device according to claim 1, characterized in that: The two side outer walls of the positioning rod (6) are fixedly connected with limit rods (7), and an installation groove is formed in the bottom of the positioning rod (6), and a roller (8) is rotatably connected in the installation groove in the bottom of the positioning rod (6) through a rotating shaft.

3. The cast-in-place box girder edge protection device according to claim 1, characterized in that: A plurality of threaded holes are formed in the bottom of the connecting frame (1), a fixed screw rod (2) is screwedly connected in the threaded hole in the bottom of the connecting frame (1), a fixed block (3) is fixedly connected with the top of the fixed screw rod (2), and a handle (4) is fixedly connected with the bottom of the fixed screw rod (2).

4. The cast-in-place box girder edge protection device according to claim 1, characterized in that: The connecting column (12) is sleeved with a fixed spring (13) for supporting the guide plate (10), and a handle (14) is fixedly connected with one end of the connecting column (12) away from the fixed pin (11).

5. The cast-in-place box girder edge protection device according to claim 1, characterized in that: The positioning column (15) is provided with a moving hole, and a supporting spring (16) is placed in the moving hole of the positioning column (15).

6. The cast-in-place box girder edge protection device according to claim 5, characterized in that: The supporting spring (16) is provided with a limiting sliding block movably connected with the positioning column (15) at both ends, and a positioning pin (17) movably connected with the positioning column (15) is fixedly connected with one end of the limiting sliding block away from the supporting spring (16).

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