CN-122014004-A - Inserted cup mouth type foundation matched steel column leveling device and installation method

Abstract

The invention discloses a leveling device and an installation method for a steel column matched with an inserted cup mouth type foundation, which belong to the technical field of fully prefabricated assembled steel structures, and can fully exert the strength of an anchor rod through the anchoring of end plates and bolts, provide better bending resistance bearing capacity for an outer column base, and correspondingly reduce the calculation steel consumption of longitudinal ribs on the outer side of the outer column base. The adjustable hoop type fastening device is a temporary fastening device, and is combined with the vertical leveling fastening device to realize multipoint contact fastening with the steel column, so that the problem that the steel column is reliably and stably fastened before grouting at the cup mouth only by the single point of the vertical leveling fastening device is solved.

Inventors

• ZHANG LEI
• Yu Chenxuan
• FAN JUN

Assignees

• 中国十七冶集团有限公司

Dates

Publication Date

20260512

Application Date

20260410

Claims (10)

1. 1. The steel column leveling device matched with the plug-in cup mouth type foundation is characterized by comprising vertical leveling fastening devices (3) and horizontal leveling fastening devices (4) which are pre-buried in a cup groove, wherein the vertical leveling fastening devices (3) are distributed on the periphery of an upper steel column (2) at equal intervals, and the horizontal leveling fastening devices (4) are arranged on the upper part of a cup mouth of a full prefabricated foundation (1) and are distributed at two ends of the cup mouth; A plurality of groups of vertical leveling devices (3) are connected with a vertical leveling horizontal annular plate (17) together, a through hole is formed in the center of the vertical leveling horizontal annular plate (17), the diameter of the through hole is matched with the diameter of the upper steel column (2), and the vertical leveling device is convenient to lift, support and fix while being connected with the upper steel column (2).
2. 2. The plug-in cup mouth type foundation matched steel column leveling device according to claim 1, wherein the vertical leveling fastening device (3) comprises an anchor bolt (20) for leveling, a matched leveling nut (22), a backstop nut (23) and a corresponding matched gasket (24) which are arranged in the full prefabricated foundation (1), threads are arranged at the upper end of the anchor bolt (20) for leveling, which is close to a port, the leveling nut (22) is matched with the threads of the anchor bolt (20) for leveling, and the leveling nut (22) can be conveniently and freely adjusted up and down along the anchor bolt (20) for leveling.
3. 3. The plug-in cup mouth type foundation matched steel column leveling device according to claim 2, wherein the retaining nut (23) is matched with threads of the anchor bolt (20) for leveling, and after the leveling nut (22) is adjusted in place, the upper steel column (2) and the anchor bolt (20) for leveling can be effectively fastened.
4. 4. The plug-in cup rim type foundation matched steel column leveling device according to claim 2, characterized in that a matched gasket (24) is additionally arranged between the leveling nut (22) and the vertical leveling horizontal annular plate (17), and the size of the matched gasket (24) exceeds 80mm multiplied by 80mm.
5. 5. The steel column leveling device matched with the plug-in cup mouth type foundation according to claim 1, wherein the upper steel column (2) is fixed with a vertical leveling horizontal annular plate (17) and is provided with holes through the upper surface and the lower surface at positions corresponding to the vertical leveling fastening devices (3), and the size of the holes is 3-5 mm larger than that of the anchor bolts (20) for leveling.
6. 6. The plug-in cup mouth type foundation matched steel column leveling device according to claim 1, wherein the vertical leveling horizontal annular plate (17) and the upper steel column (2) are connected in a whole welding manner in a factory, and the vertical leveling fastening device (3) forms a permanent fastening device by connecting the vertical leveling horizontal annular plate (17).
7. 7. The steel column leveling device matched with the plug-in cup mouth type foundation according to claim 1, wherein the horizontal leveling fastening device (4) comprises a leveling device fixing plate (5) and a leveling device plate (6), a plurality of groups of jacks are formed in the leveling device fixing plate (5), each jack is matched with a corresponding anchor bolt (8) for fixing the leveling device, and the leveling device fixing plate (5) is fixedly connected with the cup mouth of the full-prefabricated foundation (1) through the anchoring effect of the anchor bolts (8) for fixing the leveling device.
8. 8. The plug-in cup mouth type foundation matched steel column leveling device according to claim 7, wherein movable connection is achieved between the leveling device fixing plate (5) and the leveling device plate (6) through a special pin shaft (7), pin shaft sleeves are welded at the end parts of the leveling device fixing plate (5) and the leveling device plate (6) of the horizontal leveling fastening device (4), and the leveling device fixing plate (5) and the leveling device plate (6) are connected in series through the special pin shaft (7) and the pin shaft sleeves to achieve the connection function of the leveling device fixing plate (5) and the leveling device plate (6).
9. 9. The plug-in cup mouth type foundation matched steel column leveling device according to claim 7, wherein connecting lug plates (15) are welded on the leveling device fixing plate (5) and the leveling device plate (6), adjustable special supporting rods (9) are movably connected between the connecting lug plates (15), and the adjustable special supporting rods (9) are matched and connected with adjustable threaded sleeves (10).
10. 10. A method for installing the plug-in cup mouth type foundation matched steel column leveling device according to any one of claims 1 to 9, which is characterized by comprising the following steps: s1, after a full prefabricated foundation (1) is installed in place, an upper steel column (2) is inserted into a prefabricated foundation cup opening, a leveling nut of a vertical leveling device (3) is installed, vertical leveling of the upper steel column (2) is carried out, and a fastening nut (13) is installed after vertical leveling to carry out primary fastening of the upper steel column (2); s2, installing an adjustable anchor ear type horizontal leveling device (4) at the upper part of a prefabricated foundation cup opening, checking whether a leveling device fixing plate (5) and a leveling device plate (6) of the horizontal leveling fastening device (4) are reliably connected with a special pin shaft (7) before installing, adjusting the position of the leveling device fixing plate (5), fixing the leveling device fixing plate (5) with the foundation cup opening through an anchor bolt (8) for fixing the leveling device, and connecting an adjustable special stay bar (9) with the leveling device fixing plate (5) and a special connecting lug plate (15) of the leveling device plate (6) through a lug plate connecting pin shaft (16); S3, continuously checking and adjusting the leveling nuts (22) of the vertical leveling fastening devices (3) and the adjustable threaded sleeves (10) of the horizontal leveling devices (4) until the vertical leveling horizontal annular plates (17) of the upper steel columns (2) are completely horizontal, so that the quality requirements of the verticality and the plane coordinate positions of the steel columns are met; S4, finally fastening a fastening nut (13) of the vertical leveling fastening device (3) and installing a retaining nut (23), and screwing the fastening nut (13) and the fastening screw (14) of the adjustable threaded sleeve (10) until the upper steel column (2) and the full prefabricated foundation (1) are completely and reliably fixed; S5, performing secondary pouring of the precast foundation cup opening concrete until the strength of the concrete in the cup opening reaches 50% of the design strength of the concrete, and removing the horizontal leveling fastening device (4); And S6, finally binding the steel bars of the outer column feet and secondarily pouring concrete, namely finishing the implementation of the leveling device along with the installation of the steel column.

Description

Inserted cup mouth type foundation matched steel column leveling device and installation method Technical Field The invention belongs to the technical field of fully prefabricated assembled steel structures, and particularly relates to a steel column leveling device matched with an inserted cup mouth type foundation and an installation method. Background With the advent of industrial transformation and upgrading in the building industry and 2.0 times of industrialization, the assembled building is a necessary trend of future development in the building industry, the assembled building can greatly reduce on-site wet operation, a large number of on-site construction operations are completed by transferring to factories, and the assembled building is disassembled into standardized building part components for processing and manufacturing in factories and is formed by on-site reliable connection. The fabricated building mainly comprises a fabricated concrete structure, a steel structure, a wood structure and the like, wherein the steel structure is manufactured by adopting standardized processing naturally, is produced industrially and constructed in an assembled mode, and is favored by practitioners as a representative of a high-degree industrial construction mode, so that the building like a car can be really realized, and the fabricated building is a main direction of the development of the fabricated steel structure in the future. The plug-in cup rim foundation is a better foundation form suitable for steel columns, and is currently applied to industrial buildings and civil buildings in a large number. However, the prefabricated steel column needs to form a complete whole with the foundation after construction is completed, temporary fixation of the steel column and the foundation, leveling and secondary grouting links of the steel column and the cup groove are necessarily present, but due to the fact that the steel column is higher, the prefabricated steel column is assembled in a manual mode through a tower crane traditionally, due to the fact that a large gap exists between the steel column and the cup groove, the horizontal position and the vertical position of the steel column are difficult to achieve accurate control, and installation deviation of the steel column is serious. In addition, because the steel column is heavier, only rely on the manpower difficult to carry out quick correction to the steel column, lead to the steel column assembly efficiency comparatively low, often need carry out correction many times in the assembly process, seriously reduced the installation effectiveness of the vertical component of prefabricated building. Disclosure of Invention The invention aims to solve the technical problem of providing a steel column leveling device matched with an inserted cup rim foundation and an installation method thereof so as to solve the problems in the background art or realize better technical effects. In order to solve the technical problems, the inventor obtains the technical scheme of the invention through practice and summary, and the invention discloses a plug-in type cup mouth foundation matched steel column leveling device, which comprises a vertical leveling fastening device and a horizontal leveling fastening device which are pre-embedded in a cup groove, wherein the vertical leveling fastening devices are distributed at the periphery of an upper steel column at equal intervals, and the horizontal leveling fastening devices are arranged at the upper part of a fully prefabricated basic cup mouth and are distributed at two ends of the cup mouth; A plurality of groups of vertical leveling devices are connected with a vertical leveling horizontal annular plate together, a through hole is formed in the center of the vertical leveling horizontal annular plate, the diameter of the through hole is matched with the diameter of the upper steel column, and the vertical leveling device is convenient to connect with the upper steel column and simultaneously promotes, supports and fixes the upper steel column. Further, the vertical leveling fastening device comprises an anchor bolt for leveling, a matched leveling nut, a backstop nut and a corresponding matched gasket, wherein the anchor bolt for leveling, the matched leveling nut, the backstop nut and the corresponding matched gasket are arranged in the full prefabricated foundation, threads are arranged at the upper end of the anchor bolt for leveling, which are close to the port, the leveling nut is matched with the threads of the anchor bolt for leveling, and the leveling nut can be conveniently and freely adjusted up and down along the anchor bolt for leveling. Further, the retaining nut is matched with threads of the anchor bolt for leveling, and after the leveling nut is adjusted in place, the upper steel column and the anchor bolt for leveling can be effectively fastened. Further, a matched gasket is additionally arranged between th