Precast beam plate corrugated pipe hole opening plugging device and construction framework

Abstract

The utility model discloses a prefabricated beam plate corrugated pipe hole opening plugging device and a construction framework, and the device comprises a rubber plug rod body, the side part of the periphery of the rubber plug rod body is fixedly provided with a plurality of groups of annular outer clamping ribs in an integrated manner; and the pull position handle is fixedly connected to one end part of the rubber plug rod body. The technical problems that in the prior art, before steel strand pulling is conducted on a prefabricated box girder, corrugated pipe hole openings are exposed, water and impurities are prone to entering, and the follow-up prestress tensioning and grouting quality is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge engineering, and in particular to a prefabricated beam and slab corrugated pipe hole opening blocking device and a construction framework. Background Art

[0002] With the development of social economy, highway transportation infrastructure projects have gradually increased. In the current highway bridge construction, prefabricated box girders are widely used as a prestressed bridge span structure. The construction quality of prefabricated box girders not only affects the quality of highway bridges, but also has a direct impact on the smooth operation of the entire highway transportation network.

[0003] In the prior art, before the strands are bundled in the prefabricated box girder, the openings of the corrugated tubes are exposed, which makes it easy for moisture and debris to enter, affecting the quality of subsequent prestressing and grouting, and further affecting the overall quality of the box girder. Utility Model Content

[0004] To this end, the utility model provides a prefabricated beam and slab corrugated pipe hole sealing device and a construction structure to solve the technical problem in the prior art that before the prefabricated box girder is subjected to steel strand threading, the corrugated pipe hole is exposed, which makes it easy for moisture and debris to enter, affecting the subsequent prestressing tensioning and grouting quality.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A device for sealing a hole opening of a prefabricated beam and slab corrugated pipe, comprising:

[0007] The rubber plug rod body has a plurality of groups of annular external clamping ridges integrally formed and fixed on the outer side;

[0008] The pull handle is fixedly arranged on one end of the rubber plug rod body.

[0009] On the basis of the above technical solution, the utility model is further described as follows:

[0010] As a further solution of the utility model, the stopper rod and the plurality of groups of outer clamping ridges are all configured as soft structures.

[0011] As a further solution of the utility model, the distance between two adjacent groups of annular outer clamping ridges is equal to the distance between adjacent corrugations of the corrugated pipe.

[0012] As a further solution of the utility model, it also includes:

[0013] A blocking baffle, fixedly connected to one end of the plug rod;

[0014] The pull handle is fixedly arranged on a side of the blocking baffle away from the plug rod body.

[0015] As a further solution of the utility model, the pull handle is configured as a buckle-type handle;

[0016] The finger-pull buckle handle is fixedly arranged on a side of the blocking baffle away from the plug rod body.

[0017] As a further solution of the utility model, a hollow cavity is arranged at the central axis of the stopper rod.

[0018] As a further solution of the utility model, it also includes:

[0019] The external supporting structure comprises an extension connecting rod and an external supporting rod and a push-pull handle respectively fixedly connected to the two ends of the extension connecting rod in a one-to-one correspondence;

[0020] The blocking baffle and the pulling handle are connected in the same direction to the hollow cavities of the plug rod body and have extension cavities respectively;

[0021] The extension connecting rod sequentially extends and slides through the extension cavity of the pull handle, the extension cavity of the blocking baffle and the hollow cavity of the plug rod body.

[0022] As a further solution of the utility model, the outer supporting rod can be switchably located inside and / or outside the hollow cavity of the plug rod body.

[0023] A construction framework according to the prefabricated beam and slab corrugated pipe hole opening blocking device, further comprising:

[0024] Precast box beams and corrugated tubes;

[0025] The inner fixing assembly of the corrugated pipe is arranged on the prefabricated box girder;

[0026] The stopper rod and the outer locking convex ridge are inserted and locked into the interior of the corrugated tube;

[0027] The blocking baffle is correspondingly arranged to block the opening of the channel of the corrugated pipe.

[0028] As a further solution of the utility model, the extension connecting rod extends and slides in sequence through the extension cavity of the pull handle, the extension cavity of the blocking baffle and the hollow cavity of the plug rod body, and the external support rod is switchably located correspondingly inside and / or outside the hollow cavity of the plug rod body.

[0029] The utility model has the following beneficial effects:

[0030] The device and the construction structure can be effectively adapted and inserted into the built-in corrugated pipe of the prefabricated box girder through the plug rod, thereby effectively forming a self-limiting seal, and at the same time can further seal the opening of the corrugated pipe with the help of the sealing baffle, thereby further enhancing the sealing performance and facilitating the application of force. In addition, the sealing baffle and the plug rod can be conveniently pulled out with the help of a finger-pull handle. The overall structure of the device is simple, the sealing is tight, it can effectively prevent water and dust, and it is easy to install and disassemble, can be reused, and is economical and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the implementation methods of the utility model or the technical solutions in the prior art, the drawings required for the implementation methods or the description of the prior art will be briefly introduced below. The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical contents disclosed in the utility model without affecting the effects and purposes that can be achieved by the utility model.

[0032] Figure 1 A schematic diagram of the overall structure of a prefabricated beam and slab corrugated pipe hole opening sealing device provided in an embodiment of the utility model.

[0033] Figure 2 This is a schematic diagram of the overall structure of the construction framework of the prefabricated beam and slab corrugated pipe hole opening blocking device provided in Example 1 of the utility model.

[0034] Figure 3 This is a schematic diagram of the overall structure of the construction framework of the prefabricated beam and slab corrugated pipe hole opening blocking device provided in Example 2 of the utility model.

[0035] Figure 4 A schematic structural diagram of the actual application state of the prefabricated beam and slab corrugated pipe hole opening sealing device provided in an embodiment of the utility model.

[0036] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0037] The rubber plug rod body 1, the outer clamping ridge 11; the blocking baffle 2; the finger pull buckle handle 3;

[0038] Prefabricated box beam 4; corrugated pipe 5;

[0039] External supporting structure 6: extension connecting rod 61, external supporting rod 62, push-pull handle 63. DETAILED DESCRIPTION

[0040] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] The terms such as "upper", "lower", "left", "right", and "middle" used in this specification are only for the convenience of description and are not intended to limit the scope of the present invention. Changes or adjustments to their relative relationships shall be deemed to be within the scope of the present invention without substantially changing the technical content.

[0042] Example 1

[0043] like Figure 1 As shown, the embodiment of the utility model provides a device for sealing the opening of the corrugated pipe of a prefabricated beam and slab, including a plug rod body 1, a blocking baffle 2 and a finger-pull buckle handle 3, which is used to effectively adapt and insert into the built-in corrugated pipe 5 of the prefabricated box beam 4 through the plug rod body 1, and thereby effectively form a self-limiting blockage, and at the same time, the blocking baffle 2 can be used to further block the opening of the corrugated pipe 5, thereby further enhancing the sealing performance and facilitating the application of force and pushing. In addition, the blocking baffle 2 and the plug rod body 1 can be conveniently pulled out with the help of the finger-pull buckle handle 3, thereby improving the functional practicality. The overall structure of the device is simple, the sealing is tight, it can be effectively waterproof and dustproof, and it is easy to install and disassemble, can be reused, and is economical and practical. The specific settings are as follows:

[0044] Please refer to Figure 1 The stopper rod body 1 is configured as a soft structure made of rubber material, and a plurality of groups of annular external retaining ridges 11 are integrally formed and fixed on the outer side of the stopper rod body 1. The spacing between two adjacent groups of annular external retaining ridges 11 is equal to the spacing between adjacent corrugations of the corrugated tube 5, so that the stopper rod body 1 can be stably inserted into the inside of the corrugated tube 5 and stably adapted to form a self-limiting sealing effect.

[0045] The blocking baffle 2 is fixedly arranged at one end of the plug rod body 1, and is used to block the opening of the bellows 5 by using the blocking baffle 2, so as to further enhance the sealing performance and help to apply force and push.

[0046] The finger-pull buckle handle 3 is fixedly arranged on a side of the blocking baffle 2 away from the plug rod body 1, so as to facilitate pulling out the blocking baffle 2 and the plug rod body 1 by using the finger-pull buckle handle 3.

[0047] As a preferred solution of this embodiment, a hollow cavity is provided at the central axis of the stopper rod 1 to effectively enhance the deformation amplitude of the outer diameter of the stopper rod 1, so that the stopper rod 1 is more easily compressed, thereby effectively improving the convenience of use of the stopper rod 1 when pushing and pulling based on the bellows 5.

[0048] Example 2

[0049] In Example 2, the same symbols are given to the same structures as in Example 1, and the same descriptions are omitted. Example 2 is improved on the basis of Example 1, please refer to Figure 3 , and also includes an external supporting structure 6; the blocking baffle 2 and the finger-pull buckle handle 3 are respectively connected in the same direction to open an extension cavity corresponding to the hollow cavity of the plug rod body 1, and the external supporting structure 6 includes an extension connecting rod 61 and an external supporting rod 62 and a push-pull handle 63 respectively fixedly connected to the two ends of the extension connecting rod 61 in a one-to-one correspondence; the extension connecting rod 61 sequentially extends and slides through the extension cavity of the finger-pull buckle handle 3, the extension cavity of the blocking baffle 2 and the The outer supporting rod 62 is switchably located inside and / or outside the hollow cavity of the stopper rod 1, so as to synchronously push the outer supporting rod 62 into the corrugated tube 5, and pull the outer supporting rod 62 through the push-pull handle 63 via the extended connecting rod 61, so that the outer supporting rod 62 is supported outwardly corresponding to the hollow cavity of the stopper rod 1, thereby further significantly improving the self-limiting sealing effect between the stopper rod 1 and the corrugated tube 5.

[0050] Please refer to Figures 2 to 4 The above utility model embodiment also provides a construction framework for a prefabricated beam and slab corrugated pipe hole opening blocking device, which also includes a prefabricated box beam 4 and a corrugated pipe 5.

[0051] The bellows 5 is internally fixedly assembled in the prefabricated box beam 4 , and the plug rod body 1 and the outer locking ridge 11 are inserted and locked into the interior of the bellows 5 .

[0052] The blocking baffle 2 blocks the opening of the channel provided at the bellows 5;

[0053] The extension connecting rod 61 in the external supporting structure 6 extends and slides through the extension cavity of the finger-pull buckle handle 3, the extension cavity of the blocking baffle 2 and the hollow cavity of the plug rod body 1 in sequence, and the external supporting rod 62 in the external supporting structure 6 can be switchably located inside and / or outside the hollow cavity of the plug rod body 1. The overall construction structure has good waterproof effect, is easy to install and disassemble, has reusable components, has strong engineering economy, and effectively improves the overall functional practicality and adaptability.

[0054] Although the utility model has been described in detail above with general descriptions and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the utility model. Therefore, these modifications or improvements made without departing from the spirit of the utility model are within the scope of protection claimed by the utility model.

Claims

1. A device for sealing the opening of a corrugated pipe of a prefabricated beam and slab, characterized in that: include: The rubber plug rod body has a plurality of groups of annular external clamping ridges integrally formed and fixed on the outer side; A pull handle, fixedly connected to one end of the plug rod; The stopper rod body and the plurality of groups of outer clamping ridges are all configured as soft structures.

2. The device for sealing the opening of the corrugated pipe of the prefabricated beam and slab according to claim 1 is characterized in that: The distance between two adjacent groups of annular outer clamping ridges is equal to the distance between adjacent corrugations of the corrugated pipe.

3. The device for sealing the opening of the corrugated pipe of the prefabricated beam and slab according to claim 1, characterized in that: Also includes: A blocking baffle, fixedly connected to one end of the rubber plug rod; The pull handle is fixedly arranged on a side of the blocking baffle away from the plug rod body.

4. The device for sealing the opening of the corrugated pipe of the prefabricated beam and slab according to claim 3 is characterized in that: The pull handle is configured as a pull-button handle; The finger-pull buckle handle is fixedly arranged on a side of the blocking baffle away from the plug rod body.

5. The device for sealing the opening of the corrugated pipe of the prefabricated beam and slab according to claim 3 is characterized in that: The central axis of the stopper rod is provided with a hollow cavity.

6. The device for sealing the opening of the corrugated pipe of the prefabricated beam and slab according to claim 3, characterized in that: Also includes: The external supporting structure comprises an extension connecting rod and an external supporting rod and a push-pull handle respectively fixedly connected to the two ends of the extension connecting rod in a one-to-one correspondence; The blocking baffle and the pulling handle are respectively connected in the same direction to open extension cavities corresponding to the hollow cavities of the plug rod body; The extension connecting rod sequentially extends and slides through the extension cavity of the pull handle, the extension cavity of the blocking baffle and the hollow cavity of the plug rod body.

7. The device for sealing the opening of the corrugated pipe of the prefabricated beam and slab according to claim 6, characterized in that: The outer supporting rod can be switchably located inside and / or outside the hollow cavity of the plug rod body.

8. A construction framework for the precast beam and slab corrugated pipe hole opening plugging device according to claim 7, characterized in that: Also includes: Precast box beams and corrugated tubes; The inner fixing assembly of the corrugated pipe is arranged on the prefabricated box girder; The stopper rod and the outer locking convex ridge are inserted and locked into the interior of the corrugated tube; The blocking baffle is correspondingly arranged to block the opening of the channel of the corrugated pipe.

9. The construction structure of the prefabricated beam and slab corrugated pipe hole opening blocking device according to claim 8, characterized in that: The extension connecting rod extends and slides through the extension cavity of the pull handle, the extension cavity of the blocking baffle and the hollow cavity of the plug rod body in sequence, and the external supporting rod is switchably located inside and / or outside the hollow cavity of the plug rod body.

Images