Plugging device for bridge prestressed precast box girder grouting

Abstract

The utility model discloses a plugging device for grouting of a prestressed precast box girder of a bridge, which comprises a grouting cylinder, a telescopic grouting pipeline fixedly connected to the side face of the grouting cylinder, a pressing plate push rod fixedly arranged at the other end of the side face of the grouting cylinder, a push rod connecting plate fixedly arranged on the side face of the pressing plate push rod, and a pressing plate arranged on the side face of the push rod connecting plate. A grouting pipeline hole is formed in the middle of the pressing plate, a fixing bolt is in threaded connection with the side face of the push rod connecting plate, a telescopic grouting pipeline fixing plate is fixedly arranged on the side face of the telescopic grouting pipeline, a pre-stress rib hole is formed in the side face of the pressing plate, a rubber sealing sleeve is inserted into the pre-stress rib hole, a pre-stress rib is inserted into the rubber sealing sleeve, and a pre-stress pipeline is arranged on the side face of the pre-stress rib. According to the automatic grouting device, the pressing plate is pushed by the pressing plate push rod to conduct automatic grouting, so that the stability and uniformity of pressure in the grouting process can be guaranteed, the grouting quality is guaranteed, the step of manually operating the pressing plate can be omitted by using the pressing plate push rod to conduct automatic pushing, and the grouting efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge prestressed prefabricated box girder equipment, in particular to a blocking device for grouting of bridge prestressed prefabricated box girder. Background Art

[0002] The grouting and sealing work of some existing prestressed prefabricated box girders of bridges is usually still performed manually, in which cement slurry is poured into the prestressed pipes in the prestressed prefabricated box girders of the bridge. Manual operation consumes a lot of time and manpower, especially when rapid construction is required. Manual operation is inefficient and easily affected by the operator's technical level, work experience, emotions and other factors, resulting in unstable sealing quality and possible leakage, blockage and other problems. Utility Model Content

[0003] The purpose of the utility model is to provide a blocking device for grouting of prestressed prefabricated box girders of bridges in order to solve the problems mentioned in the above background.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sealing device for grouting of prestressed prefabricated box girders of bridges, comprising: a grouting barrel, a telescopic grouting pipe is fixedly connected to the side of the grouting barrel, a pressure plate push rod is fixedly arranged on the other end of the side of the grouting barrel, a push rod connecting plate is fixedly arranged on the side of the pressure plate push rod, a pressure plate is arranged on the side of the push rod connecting plate, a grouting pipe hole is opened in the middle of the pressure plate, a fixing bolt is screwed on the side of the push rod connecting plate, a telescopic grouting pipe fixing plate is fixedly arranged on the side of the telescopic grouting pipe, a prestressing bar hole is opened on the side of the pressure plate, a rubber sealing sleeve is inserted in the interior of the prestressing bar hole, a prestressing bar is inserted in the interior of the rubber sealing sleeve, and a prestressed pipe is arranged on the side of the prestressing bar.

[0005] As a further solution of the utility model: a bottom plate is fixedly arranged below the grouting tube, a handrail is fixedly arranged on one side above the bottom plate, a grouting tube is clamped on one side of the handrail, and a telescopic support column is fixedly arranged below the bottom plate.

[0006] As a further solution of the utility model: a driving machine is fixedly arranged above the bottom plate, a grouting push rod is fixedly arranged on the side of the driving machine, a grouting push plate is fixedly arranged on the side of the grouting push rod, and a grouting port is fixedly arranged on the side of the grouting tube.

[0007] As a further solution of the utility model: the pressure plate push rods are arranged in multiple groups, the push rod connecting plate and the telescopic grouting pipe fixing plate are fixedly connected to the pressure plate by the fixing bolts, the size of the rubber sealing sleeve is matched with the size of the prestressed tendon hole, and the size of the grouting pipe hole is matched with the size of the telescopic grouting pipe.

[0008] As a further solution of the utility model: the telescopic support columns are provided in multiple groups, and the clamping size of the handrail is matched with the size of the grouting barrel.

[0009] As a further solution of the utility model: a control device is arranged inside the driving machine, and the size of the grouting push plate is matched with the size of the barrel mouth of the grouting barrel.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. In the utility model, by using the pressure plate push rod to push the pressure plate for automatic grouting, the pressure in the grouting process can be guaranteed to be stable and uniform, thereby ensuring the quality of grouting, and the use of the pressure plate push rod for automatic pushing can save the step of manually operating the pressure plate, thereby improving the efficiency of grouting.

[0012] 2. The rubber sealing sleeve can tightly wrap the prestressed reinforcement, effectively prevent the leakage of slurry, improve the sealing performance of grouting, and the rubber sealing sleeve can save some complicated sealing structures or connection methods, thereby simplifying the construction process and improving construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of a blocking device for grouting a prestressed prefabricated box girder of a bridge according to the utility model;

[0014] Figure 2 It is a structural schematic diagram of the front side of a grouting device in a plugging device for grouting a prestressed prefabricated box girder of a bridge described in the utility model;

[0015] Figure 3 It is a structural schematic diagram of the back side of a grouting device in a plugging device for grouting a prestressed prefabricated box girder of a bridge described in the utility model;

[0016] Figure 4 It is a structural schematic diagram of a pressure plate in a plugging device for grouting prestressed prefabricated box beams of a bridge described in the utility model;

[0017] Figure 5 It is a structural schematic diagram of a grouting barrel in a plugging device for grouting a prestressed prefabricated box girder of a bridge described in the utility model.

[0018] In the figure: 1. grouting cylinder; 2. telescopic grouting pipe; 3. pressure plate push rod; 4. push rod connecting plate; 5. pressure plate; 6. grouting pipe hole; 7. fixing bolt; 8. telescopic grouting pipe fixing plate; 9. prestressing bar hole; 10. rubber sealing sleeve; 11. prestressing bar; 12. prestressed pipe; 13. bottom plate; 14. handrail; 15. telescopic support column; 16. driving machine; 17. grouting push rod; 18. grouting push plate; 19. grouting port. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The following is an explanation of the embodiments of the present utility model based on the overall structure of the present utility model.

[0021] Reference Figures 1 to 5 In the embodiment of the utility model, a sealing device for grouting of a prestressed prefabricated box girder of a bridge comprises: a grouting cylinder 1, a telescopic grouting pipe 2 is fixedly connected to the side of the grouting cylinder 1, a pressure plate push rod 3 is fixedly arranged at the other end of the side of the grouting cylinder 1, a push rod connecting plate 4 is fixedly arranged on the side of the pressure plate push rod 3, a pressure plate 5 is arranged on the side of the push rod connecting plate 4, a grouting pipe hole 6 is opened in the middle of the pressure plate 5, a fixing bolt 7 is screwed on the side of the push rod connecting plate 4, a telescopic grouting pipe fixing plate 8 is fixedly arranged on the side of the telescopic grouting pipe 2, a prestressing bar hole 9 is opened on the side of the pressure plate 5, a rubber sealing sleeve 10 is inserted in the prestressing bar hole 9, a prestressing bar 11 is inserted in the rubber sealing sleeve 10, and a prestressing pipe 12 is arranged on the side of the prestressing bar 11.

[0022] By adopting the above solution, the size of the pressure plate 5 is matched with the size of the prestressed pipe 12, which can prevent cement leakage during the grouting process. By using the pressure plate push rod 3 to push the pressure plate 5 for automatic grouting, the stability and uniformity of the pressure during the grouting process can be ensured.

[0023] A bottom plate 13 is fixedly arranged below the grouting cylinder 1 , a handrail 14 is fixedly arranged above one side of the bottom plate 13 , the grouting cylinder 1 is clamped on one side of the handrail 14 , and a telescopic support column 15 is fixedly arranged below the bottom plate 13 .

[0024] By adopting the above solution, the railing 14 can fix the grouting tube 1.

[0025] A driving machine 16 is fixedly arranged above the bottom plate 13 , a grouting push rod 17 is fixedly arranged on the side of the driving machine 16 , a grouting push plate 18 is fixedly arranged on the side of the grouting push rod 17 , and a grouting port 19 is fixedly arranged on the side of the grouting tube 1 .

[0026] By adopting the above solution, the grouting push rod 17 can push the cement slurry into the telescopic grouting pipe 2 through the grouting push plate 18 .

[0027] There are multiple groups of pressure plate push rods 3, the push rod connecting plate 4 and the telescopic grouting pipe fixing plate 8 are fixedly connected to the pressure plate 5 by fixing bolts 7, the size of the rubber sealing sleeve 10 is adapted to the size of the prestressed reinforcement hole 9, and the size of the grouting pipe hole 6 is adapted to the size of the telescopic grouting pipe 2.

[0028] By adopting the above solution, the pressing plate 5 can be replaced by removing the fixing bolts 7, and the rubber sealing sleeve 10 can tightly wrap the prestressed tendons 11, effectively preventing the leakage of slurry and improving the sealing performance of grouting.

[0029] There are multiple groups of telescopic support columns 15 , and the clamping size of the handrail 14 is adapted to the size of the grouting tube 1 .

[0030] By adopting the above solution, the telescopic support column 15 can enable the device to reach a suitable grouting height.

[0031] A control device is provided inside the driving machine 16 , and the size of the grouting push plate 18 is adapted to the size of the tube mouth of the grouting tube 1 .

[0032] By adopting the above solution, the size of the grouting push plate 18 is adapted to the grouting tube 1 to facilitate pushing of the cement slurry.

[0033] The working principle of the utility model is as follows: first, cement is pushed into the telescopic grouting pipe 2 through the grouting push plate 18 in the grouting tube 1. The telescopic grouting pipe 2 will change according to the length of the pressure plate push rod 3. The cement will come out from the grouting pipe hole 6 opened in the middle of the pressure plate 5 through the telescopic grouting pipe 2 and enter the prestressed pipe 12 pair. Then, during the grouting process, the pressure plate 5 will grout the cement through the pressure plate push rod 3. The size of the pressure plate 5 is compatible with the size of the prestressed pipe 12, which can prevent cement from leaking during the grouting process. The pressure plate 5 can be replaced by removing the fixing bolts 7. By using the pressure plate push rod 3 to push the pressure plate 5 for automatic grouting, the stability and uniformity of the pressure during the grouting process can be guaranteed, thereby ensuring the quality of the grouting. , and the use of the pressure plate push rod 3 for automatic pushing can save the step of manually operating the pressure plate 5, thereby improving the efficiency of grouting. When grouting is performed inside the prestressed pipe 12, the prestressed tendons 11 laid inside the prestressed pipe 12 will pass through the prestressed tendon holes 9 opened on the side of the pressure plate 5. A rubber sealing sleeve 10 is arranged between the prestressed tendon holes 9 and the prestressed tendon 11. The rubber sealing sleeve 10 can tightly wrap the prestressed tendon 11, effectively preventing leakage of slurry and improving the sealing performance of grouting. The rubber sealing sleeve 10 can save some complicated sealing structures or connection methods, thereby simplifying the construction process and improving construction efficiency. The grouting port 19 can replenish slurry for the grouting tube 1, and the telescopic support column 15 can enable the device to reach a suitable grouting height.

[0034] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A plugging device for grouting of prestressed prefabricated box girders of bridges, characterized in that: include: A grouting cylinder (1), wherein a telescopic grouting pipe (2) is fixedly connected to the side of the grouting cylinder (1), a pressure plate push rod (3) is fixedly arranged at the other end of the side of the grouting cylinder (1), a push rod connecting plate (4) is fixedly arranged on the side of the pressure plate push rod (3), a pressure plate (5) is arranged on the side of the push rod connecting plate (4), a grouting pipe hole (6) is opened in the middle of the pressure plate (5), a fixing bolt (7) is screwed on the side of the push rod connecting plate (4), a telescopic grouting pipe fixing plate (8) is fixedly arranged on the side of the telescopic grouting pipe (2), a prestressing bar hole (9) is opened on the side of the pressure plate (5), a rubber sealing sleeve (10) is inserted into the interior of the prestressing bar hole (9), a prestressing bar (11) is inserted into the interior of the rubber sealing sleeve (10), and a prestressing pipe (12) is arranged on the side of the prestressing bar (11).

2. The blocking device for grouting of prestressed prefabricated box girders of bridges according to claim 1 is characterized in that: A bottom plate (13) is fixedly arranged below the grouting cylinder (1), a handrail (14) is fixedly arranged on one side above the bottom plate (13), the grouting cylinder (1) is clamped on one side of the handrail (14), and a telescopic support column (15) is fixedly arranged below the bottom plate (13).

3. The blocking device for grouting of prestressed prefabricated box girders of bridges according to claim 2, characterized in that: A driving machine (16) is fixedly arranged above the bottom plate (13), a grouting push rod (17) is fixedly arranged on the side of the driving machine (16), a grouting push plate (18) is fixedly arranged on the side of the grouting push rod (17), and a grouting port (19) is fixedly arranged on the side of the grouting cylinder (1).

4. The blocking device for grouting of prestressed prefabricated box girders of bridges according to claim 1, characterized in that: The pressure plate push rods (3) are provided in a plurality of groups, the push rod connecting plate (4) and the telescopic grouting pipe fixing plate (8) are fixedly connected to the pressure plate (5) via the fixing bolts (7), the size of the rubber sealing sleeve (10) is matched with the size of the prestressing reinforcement hole (9), and the size of the grouting pipe hole (6) is matched with the size of the telescopic grouting pipe (2).

5. The blocking device for grouting of prestressed prefabricated box girders of bridges according to claim 2, characterized in that: The telescopic support columns (15) are provided in multiple groups, and the clamping size of the handrail (14) is adapted to the size of the grouting cylinder (1).

6. The blocking device for grouting of prestressed prefabricated box girders of bridges according to claim 3, characterized in that: A control device is arranged inside the driving machine (16), and the size of the grouting push plate (18) is adapted to the size of the barrel opening of the grouting barrel (1).

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