Rapid pouring device for in-service bridge support padstone

By installing a pad stone frame and a casting cavity under the bridge bearings, and using grout to fill and reinforce the components, the problem of unstable bearings after bridge settlement was solved, thus achieving the stability and durability of the bridge, adapting to different settlement conditions, and extending the service life of the bridge.

CN223723589UActive Publication Date: 2025-12-26CCCC INFRASTRUCTURE MAINTENANCE GRP CO LTD
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Patent Information

Application Number
CN202520119679.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2025-12-26
Estimated Expiration
2035-01-17

AI Technical Summary

Technical Problem

The existing technology of filling the gaps by inserting steel plates after the bridge bearings sinks not only wastes steel but also cannot effectively maintain the stability of the bridge in the long term, lacking a long-term effective solution.

Method used

A rapid casting device for bearing pad stones of in-service bridges is designed. By installing a pad stone outer frame and a casting cavity under the bearing, the grout in the casting cavity is used to fill and reinforce the components to form a stable bearing pad stone, which can adapt to the settlement of the bridge and adjust the height of the pad stone to maintain the stability of the bridge.

Benefits of technology

It achieves the stability and durability of the bridge, with the bearing pad stones closely fitting the bridge components, resulting in a reliable structure, strong applicability, and long service life.

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Abstract

The utility model discloses a quick pouring device for an in-service bridge support padstone, and relates to the technical field of bridge construction. The bridge comprises a bridge body and a bridge pier supported below the bridge body, a new support assembly is installed between the bottom of the bridge body and the bridge pier and comprises a new support installed below the bottom of the bridge body, a support supporting plate is arranged below the new support, and a support padstone is installed between the support supporting plate and the bridge pier; the support cushion stone comprises a cushion stone outer frame, the upper end and the lower end of the cushion stone outer frame are supported between the beam bottom and the pier respectively, so that a pouring cavity is formed in the cushion stone outer frame, a pouring opening is formed in the pouring cavity, and slurry is poured in the pouring cavity; a supporting piece is supported between the support supporting plate and the pier; according to the sinking condition of a bridge, a sinking area can be quickly elevated, the stability of the bridge is kept, the structure is firm, the applicability is high, and the service life is long.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bridge construction technical field, concretely relates to a quick pouring device for in-service bridge support pad stone. BACKGROUND

[0002] The support is usually made of elastic material and has certain supporting and damping effect, but the support has certain service life and needs to be replaced regularly to ensure the safety and stability of the bridge, with the increase of the service time of the bridge, the foundation of the bridge will sink, and the support pad stone supported under the support will also sink, resulting in the unevenness of the supporting parts under the beam body, thereby affecting the stability and safety of the beam body, the current solution is to insert a certain number of steel plates into the gap between the support and the support pad stone when replacing the support to fill the gap caused by the sinking of the support and maintain the flatness of the beam body, but the scheme is only a temporary remedy and wastes steel material and cannot be used as a long-term and effective scheme, so it needs to be solved. SUMMARY

[0003] The utility model discloses a quick pouring device for in-service bridge support pad stone, which can quickly raise the sinking area according to the sinking condition of the bridge, maintain the stability of the bridge, has a reliable structure, strong applicability and long service life.

[0004] The utility model discloses a quick pouring device for in-service bridge support pad stone, which can quickly raise the sinking area according to the sinking condition of the bridge, maintain the stability of the bridge, has a reliable structure, strong applicability and long service life.

[0005] Preferably, the pouring cavity is provided with a reinforcing member for reinforcing the support pad stone.

[0006] Preferably, the reinforcing member is an I-shaped steel.

[0007] Preferably, the reinforcing member is provided with not less than two reinforcing members arranged in parallel in the pouring cavity.

[0008] Preferably, the pad stone outer frame is provided with several different heights.

[0009] Preferably, the new support assembly is provided with several new support assemblies arranged uniformly between the beam bottom of the beam body and the pier.

[0010] In conclusion, the utility model has the following beneficial effects:

[0011] The new support assembly comprises a new support installed below the beam bottom, a support support plate is arranged below the new support, a support cushion stone is installed between the support support plate and the pier, the support cushion stone comprises a cushion stone outer frame, a pouring cavity formed by the cushion stone outer frame, a slurry is poured in the pouring cavity, and a reinforcing member is further installed; the support cushion stone is formed below the new support in a rapid pouring manner, so that the bridge is more stable; and the height of the support cushion stone can be adjusted according to different subsidence conditions of the bridge, and the support cushion stone after pouring is more closely combined with the bridge parts, and is solid, reliable and durable. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is an installation structure schematic view of the in-service bridge support cushion stone rapid pouring device.

[0013] Figure 2 It is an installation structure schematic view of the in-service bridge support cushion stone rapid pouring device. Figure 1 It is an installation structure schematic view of the in-service bridge support cushion stone rapid pouring device.

[0014] In the figure: 1, beam body; 2, pier; 3, beam bottom; 4, new support assembly; 401, new support; 402, support support plate; 403, support cushion stone; 404, cushion stone outer frame; 405, support piece; 406, reinforcing member. DETAILED DESCRIPTION

[0015] The utility model will be further described below in combination with the drawings.

[0016] The directions involved in the specification are accurate in the normal working direction of the in-service bridge support cushion stone rapid pouring device, are not limited to the directions during storage and transportation, and only represent relative positional relationships, not absolute positional relationships.

[0017] As Figures 1 to 2 As shown in the drawings, an in-service bridge support cushion stone rapid pouring device comprises a beam body 1 of a bridge, and a pier 2 supported below the beam body 1, a new support assembly 4 is installed between a beam bottom 3 of the beam body 1 and the pier 2, the new support assembly 4 comprises a new support 401 installed below the beam bottom 3, a support support plate 402 is arranged below the new support 401, a support cushion stone 403 is installed between the support support plate 402 and the pier 2, and the support cushion stone 403 is used for filling a gap between the new support 401 and the pier 2.

[0018] The support cushion stone 403 comprises a cushion stone outer frame 404, the upper and lower ends of the cushion stone outer frame 404 are supported between the beam bottom 3 and the pier 2 respectively, so that a closed pouring cavity is formed in the inside of the cushion stone outer frame 404; the pouring cavity is provided with a pouring opening for pouring the slurry into the pouring cavity; the pouring cavity is poured with the slurry for filling and reinforcing the support cushion stone 403, so that the support cushion stone 403 is more solid; preferably, in the embodiment, the cushion stone outer frame 404 is made of a steel plate, which has the characteristics of high hardness and great strength, and can well support the pouring cavity; and the cushion stone outer frame 404 made of the steel plate has the characteristic of convenient cutting, and can form several different heights by cutting with a machine, so as to meet the sinking conditions of different bridges, and make the finally poured support cushion stone 403 more fit the support plate 402 and the pier 2.

[0019] The support plate 402 and the pier 2 are supported by the support pieces 405, the support pieces 405 are provided in plurality and are supported between the support plate 402 and the pier 2 at intervals, for lifting the support plate 402 and the new support 401, so as to facilitate pouring of the support cushion stone 403; preferably, in the embodiment, the support pieces 405 are jacks, and in the other embodiments, the support pieces 405 can also be other components.

[0020] Further, the pouring cavity is provided with the reinforcing member 406, the reinforcing member 406 further reinforces the strength of the support cushion stone 403; preferably, in the embodiment, the reinforcing member 406 is an I-shaped steel, which has the characteristics of light weight and good strength; in the other embodiments, the reinforcing member 406 can also be other components of other shapes or structures; preferably, the reinforcing member 406 is provided in not less than two and is arranged in parallel in the pouring cavity.

[0021] Further, the new support assembly 4 is provided in plurality and is arranged at intervals between the beam bottom 3 and the pier 2 of the beam body 1, so that the support force of the beam body 1 is more evenly arranged, and the beam body 1 is more stable.

[0022] During installation, the new support 401 and the support plate 402 are first installed in the gap below the beam bottom 3, the support plate 402 is lifted by the jack, the beam body 1 at the position is kept in a horizontal state, then the cushion stone outer frame 404 with a suitable height is installed below the support plate 402, the reinforcing member 406 is installed in the pouring cavity, the slurry is injected into the pouring cavity from the pouring opening, after the slurry is dried and the strength of the support cushion stone 403 reaches the standard, the jack is removed, and the support plate 402 falls to the top of the support cushion stone 403, so that the installation is completed.

[0023] Of course, the above description is not a limitation of the utility model, the utility model is also not limited to the above examples, the changes, modifications, additions or replacements made by the person skilled in the art within the essential scope of the utility model should also belong to the protection scope of the utility model.

Claims

1. A rapid pouring device for in-service bridge support cushioning stone, comprising a beam body (1) of a bridge, and a pier (2) supported below the beam body (1), characterized in that: The new support assembly (4) is installed between the beam bottom (3) of the beam body (1) and the pier (2), the new support assembly (4) comprises a new support (401) installed below the beam bottom (3), a support support plate (402) is arranged below the new support (401), a support cushion (403) is installed between the support support plate (402) and the pier (2); the support cushion (403) comprises a cushion outer frame (404), the upper and lower ends of the cushion outer frame (404) are supported between the beam bottom (3) and the pier (2) respectively, so that a closed pouring cavity is formed in the inside of the cushion outer frame (404), the pouring cavity is provided with a pouring opening, and the pouring cavity is poured with slurry; the support support plate (402) and the pier (2) are supported by a support piece (405).

2. The rapid pouring device for abutment cushion of bridge in service according to claim 1, characterized in that: The pouring cavity is provided with a reinforcing member (406) for reinforcing the support cushion (403).

3. The rapid pouring device for abutment cushion of bridge in service according to claim 2, characterized in that: The reinforcing member (406) is an I-shaped steel.

4. The device for rapid pouring of abutment cushion of a bridge in service according to claim 2, characterized in that: The reinforcing member (406) is provided with no less than two reinforcing members arranged in parallel in the pouring cavity.

5. The device for rapid pouring of abutment cushion of a bridge in service according to claim 1, characterized in that: The cushion outer frame (404) is provided with several different heights.

6. The device for rapid pouring of abutment cushion of a bridge in service according to claim 1, characterized in that: The new support assembly (4) is provided with several new support assemblies arranged uniformly between the beam bottom (3) of the beam body (1) and the pier (2).