Device for adjusting the elevation of large-span steel-concrete composite beams

Abstract

This utility model discloses a device for adjusting the elevation of large-span steel-concrete composite beams, including a lifting and adjusting device. The lifting and adjusting device is installed between the steel-concrete composite beam and the lower supporting structure, and is located at the ends of the joints between two adjacent steel-concrete composite beams. The lifting and adjusting device can adjust the elevation of the ends of the joints between two adjacent steel-concrete composite beams to meet design requirements. This utility model's device for adjusting the elevation of large-span steel-concrete composite beams has the advantages of simple structure, high stability, large load-bearing capacity, convenient installation, and high reusability. It can greatly improve the construction efficiency of workers and significantly reduce the time occupied by on-site vertical transportation machinery.

Description

Technical Field

[0001] This utility model relates to the field of building construction, and in particular to a device for adjusting the elevation of large-span steel-concrete composite beams. Background Technology

[0002] Currently, the installation of large-span steel-concrete composite beams faces the following problems: During the detailed design process, the beams are disassembled to meet the on-site vertical transport and lifting requirements. After hoisting, the elevation of the welded areas needs adjustment. Currently, on-site adjustments rely solely on placing square steel supports at the support points, measuring the elevation error, and then using a tower crane to secondarily place steel plates to adjust to the design elevation before finally completing the welding. This on-site support adjustment is entirely dependent on the tower crane, resulting in significant worker inefficiency, large adjustment errors, and an inability to effectively achieve the desired elevation adjustment.

[0003] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content

[0004] The purpose of this utility model is to provide a device for adjusting the elevation of large-span steel-concrete composite beams. It has the advantages of simple structure, high stability, large load-bearing capacity, convenient installation, high reusability, which can greatly improve the construction efficiency of construction personnel and significantly reduce the time occupied by on-site vertical transportation machinery.

[0005] To achieve the above objectives, this utility model provides a device for adjusting the elevation of a large-span steel-concrete composite beam, including a lifting and adjusting device. The lifting and adjusting device is installed between the steel-concrete composite beam and the lower support structure, and is located at the ends of the joints of two adjacent steel-concrete composite beams. The lifting and adjusting device can adjust the elevation of the ends of the joints of two adjacent steel-concrete composite beams to meet the design requirements.

[0006] In a preferred embodiment, the lifting and adjusting device includes a lower support plate, multiple support sleeves, multiple support columns, an upper support plate, and a jack; the lower support plate is pressed onto the lower support structure; the lower ends of the multiple support sleeves are perpendicularly connected to the top surface of the lower support plate and are evenly distributed along the edge of the lower support plate; the lower ends of the multiple support columns are inserted into the multiple support sleeves; the upper ends of the multiple support columns are perpendicularly connected to the bottom surface of the upper support plate, and the top surface of the upper support plate abuts against the bottom surface of the end of the steel-concrete structural beam; the jack is positioned between the bottom surface of the upper support plate and the top surface of the lower support plate; wherein the jack can adjust the elevation of the end of the steel-concrete structural beam by abutting against the upper support plate.

[0007] In a preferred embodiment, the diameter of the support column matches the inner diameter of the support sleeve, and the length of the support column is not less than the length of the support sleeve.

[0008] In a preferred embodiment, the device for adjusting the elevation of a large-span steel-concrete composite beam further includes a stiffening plate, which is disposed between the outer wall of the support sleeve and the top surface of the lower support plate.

[0009] In a preferred embodiment, from a top-down view, the extension line of the stiffening plate's projection passes through the center of the lower support plate.

[0010] In a preferred embodiment, the height of the stiffening plate is not less than half the length of the support sleeve, and the top-view projection length of the stiffening plate is not less than half the height of the stiffening plate.

[0011] In a preferred embodiment, the upper support plate and the lower support plate have the same top view shape, and their shapes are circular, elliptical, rectangular or regular polygonal.

[0012] In a preferred embodiment, when the top view shape of the upper support plate and the lower support plate is a regular polygon, the number of multiple support sleeves and multiple support columns is the same as the number of sides of the regular polygon, and they are located at the included angle of the regular polygon.

[0013] In a preferred embodiment, the vertical central axis of the jack coincides with the line connecting the centers of the upper and lower support plates.

[0014] In a preferred embodiment, the jack further includes an auxiliary pressure rod for operating the jack to lift.

[0015] Compared with existing technologies, the adjustable elevation device for large-span steel-concrete composite beams of this invention has the following advantages: All supporting structures in this solution are manufactured using standardized welding processes, making assembly simple and allowing for on-site assembly. Component processing is low-difficulty, and the device is highly modular. The frame is constructed from welded steel plates and materials, resulting in a robust and reliable overall frame with high support strength and safety. Using jacks as the adjustment device effectively achieves fine-tuning of the elevation, with an adjustment error down to millimeters, significantly improving the accuracy of steel beam connections. The device is easy to install and dismantle, has a wide range of applications, and high reusability. Therefore, this elevation installation device features a simple structure, high stability, large load-bearing capacity, convenient installation, and high reusability, greatly improving construction efficiency and significantly reducing the time spent by on-site vertical transportation machinery. Attached Figure Description

[0016] Figure 1 This is a front sectional view of the installation elevation device according to an embodiment of the present invention;

[0017] Figure 2 yes Figure 4 A schematic diagram of the cross-sectional structure at point A-A;

[0018] Figure 3 yes Figure 4 A schematic diagram of the cross-sectional structure at point B-B;

[0019] Figure 4 This is a top sectional view of the installation elevation device according to an embodiment of the present invention.

[0020] Explanation of key figure labels:

[0021] 10-Steel-concrete composite beam, 20-Lower support structure, 30-Lifting and adjusting device, 301-Lower support plate, 302-Support sleeve, 303-Support column, 304-Upper support plate, 305-Stiffening plate, 306-Jack, 307-Auxiliary pressure bar. Detailed Implementation

[0022] The specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. However, it should be understood that the scope of protection of this utility model is not limited to the specific embodiments.

[0023] Unless otherwise expressly stated, throughout the specification and claims, the term "comprising" or its variations such as "including" or "comprises" shall be understood to include the stated elements or components without excluding other elements or other components.

[0024] like Figures 1 to 4 As shown, a device for adjusting the elevation of a large-span steel-concrete composite beam according to a preferred embodiment of the present invention includes a lifting adjustment device 30, which is disposed between the steel-concrete composite beam 10 and the lower support structure 20, and is located at the ends of the joints of two adjacent steel-concrete composite beams 10; wherein the lifting adjustment device 30 can adjust the elevation of the ends of the joints of two adjacent steel-concrete composite beams 10 to meet the design requirements.

[0025] Please see Figure 2 and Figure 3In some embodiments, the lifting and adjusting device 30 includes a lower support plate 301, a plurality of support sleeves 302, a plurality of support columns 303, an upper support plate 304, and a jack 306; the lower support plate 301 is pressed onto the lower support structure 20; the lower ends of the plurality of support sleeves 302 are vertically connected to the top surface of the lower support plate 301 and are evenly distributed at the edge of the lower support plate 301; the lower ends of the plurality of support columns 303 are inserted into the plurality of support sleeves 302; the upper ends of the plurality of support columns 303 are vertically connected to the bottom surface of the upper support plate 304, and the top surface of the upper support plate 304 abuts against the bottom surface of the end of the steel-concrete structural beam 10; the jack 306 is disposed between the bottom surface of the upper support plate 304 and the top surface of the lower support plate 301; wherein the jack 306 can adjust the elevation of the end of the steel-concrete structural beam 10 by abutting against the upper support plate 304.

[0026] Please see Figure 4 In some embodiments, the diameter of the support column 303 matches the inner diameter of the support sleeve 302, and the length of the support column 303 is not less than the length of the support sleeve 302. Moreover, under normal circumstances, the height adjustment range of the installation elevation device should be much smaller than the height of the support sleeve 302, so as to avoid instability caused by the support column 303 being inserted into the support sleeve 302 being too small.

[0027] Please see Figure 2 and Figure 3 In some embodiments, the device for adjusting the elevation of large-span steel-concrete composite beams also includes a stiffening plate 305. The stiffening plate 305 is disposed between the outer wall of the support sleeve 302 and the top surface of the lower support plate 301. Generally, the side view shape of the stiffening plate 305 is a right triangle or a right trapezoid, but this utility model is not limited thereto.

[0028] Please see Figure 4 In some embodiments, from a top view, the extension line of the projection of the stiffening plate 305 passes through the center of the lower support plate 301. That is to say, the reinforcing support direction of the stiffening plate 305 should be towards the center direction of the upper and lower support plates 301. However, this utility model is not limited to this. Other stiffening plates 305 can also be added at other angles, such as in a direction parallel to the side of a regular polygon.

[0029] In some implementations, the height of the stiffening plate 305 is not less than half the length of the support sleeve 302, and the top-view projection length of the stiffening plate 305 is not less than half the height of the stiffening plate 305, so as to avoid the support strength being affected by the excessively low height.

[0030] Please see Figure 4In some embodiments, the upper support plate 304 and the lower support plate 301 have the same top view shape, and their shape is circular, elliptical, rectangular or regular polygonal, which can be designed according to actual needs.

[0031] In some embodiments, when the top view shape of the upper support plate 304 and the lower support plate 301 is a regular polygon, the number of multiple support sleeves 302 and multiple support columns 303 is the same as the number of sides of the regular polygon, and they are located at the included angles of the regular polygon. This embodiment only shows a rectangle, with four support sleeves 302 and four support columns 303, located at the four corners of the rectangle. Depending on actual installation needs, they can also be designed as equilateral triangles, squares, regular pentagons, regular hexagons, or flattened hexagons, etc.

[0032] In some implementations, theoretically, the vertical centerline of the jack 306 coincides with the line connecting the centers of the upper support plate 304 and the lower support plate 301, thus making the force distribution of this installation elevation device most reasonable.

[0033] In some embodiments, the jack 306 also includes an auxiliary pressure rod 307 for operating the jack 306 to lift.

[0034] In some embodiments, the method of using the adjustable elevation device for large-span steel-concrete composite beams of this utility model is roughly as follows: The lifting and adjusting device 30 in this embodiment is basically composed of three parts, namely, an upper support assembly, a lower support assembly, and a jack 306 assembly; the upper support assembly includes an upper support plate 304 and a support column 303; the lower support assembly includes a lower support plate 301, a support sleeve 302, and a stiffening plate 305; the jack 306 assembly includes a jack 306 and an auxiliary pressure rod 307; after all the components of the lifting and adjusting device 30 are welded, they are hoisted to the working surface for assembly. First, the lower support assembly is fixed, then the lifting and adjusting device 30 is installed, and finally the upper support assembly is installed. After the steel-concrete composite beam is hoisted, the elevation is adjusted using this device. After welding, the lifting and adjusting device 30 can be reused multiple times.

[0035] In summary, the adjustable elevation device for large-span steel-concrete composite beams of this invention has the following advantages: All supporting structures in this solution are manufactured using standardized welding processes, making assembly simple and achievable on-site. Component processing is easy, and the device is highly modular. The frame is constructed from welded steel plates and materials, resulting in a robust and reliable overall structure with high support strength and safety. The use of jacks as adjustment devices effectively enables fine-tuning of the elevation, with an adjustment error down to millimeters, significantly improving the accuracy of steel beam connections. The device is easy to install and dismantle, has a wide range of applications, and high reusability. Therefore, this elevation installation device features a simple structure, high stability, large load-bearing capacity, convenient installation, and high reusability, greatly improving construction efficiency and significantly reducing the time spent by on-site vertical transportation machinery.

[0036] The foregoing description of specific exemplary embodiments of the present invention is for illustrative and explanatory purposes. These descriptions are not intended to limit the present invention to the precise forms disclosed, and it will be apparent that many changes and variations can be made in accordance with the foregoing teachings. The exemplary embodiments were chosen and described in order to explain the specific principles of the present invention and its practical application, thereby enabling those skilled in the art to implement and utilize various different exemplary embodiments of the present invention, as well as various different choices and variations. The scope of the present invention is intended to be defined by the claims and their equivalents.

Claims

1. A device for adjusting the elevation of a long-span steel reinforced concrete steel beam, characterized by, include: The lifting and adjusting device is installed between the steel-concrete structural beam and the lower support structure, and is located at the end of the connection between two adjacent steel-concrete structural beams. The lifting and adjusting device can adjust the elevation of the ends of the joints between two adjacent steel-concrete structural beams to meet the design requirements. The lifting adjustment device includes: The lower support plate is pressed onto the lower support structure; Multiple support sleeves, the lower ends of which are vertically connected to the top surface of the lower support plate, and are evenly distributed at the edge of the lower support plate; Multiple support columns, the lower ends of which are inserted into the multiple support sleeves; An upper support plate, wherein the upper ends of the plurality of support columns are perpendicularly connected to the bottom surface of the upper support plate, and the top surface of the upper support plate abuts against the bottom surface of the end of the steel-concrete composite beam; and A jack is installed between the bottom surface of the upper support plate and the top surface of the lower support plate; The jack can adjust the elevation of the end of the steel-concrete structural beam by pressing against the upper support plate.

2. The device for adjusting the elevation of a long-span steel reinforced concrete steel beam according to claim 1, wherein, The diameter of the support column matches the inner diameter of the support sleeve, and the length of the support column is not less than the length of the support sleeve.

3. The device for adjusting the elevation of a long-span steel reinforced concrete steel beam according to claim 1, wherein, It also includes a stiffening plate, which is disposed between the outer wall of the support sleeve and the top surface of the lower support plate.

4. The device for adjusting the elevation of large-span steel-concrete composite beams as described in claim 3, characterized in that, From a top-down view, the extension line of the stiffening plate's projection passes through the center of the lower support plate.

5. The device for adjusting the elevation of a long-span steel reinforced concrete steel beam according to claim 3, wherein, The height of the stiffening plate is not less than half the length of the support sleeve, and the top-view projection length of the stiffening plate is not less than half the height of the stiffening plate.

6. The device for adjusting the elevation of a long-span steel reinforced concrete steel beam according to claim 1, wherein, The upper support plate and the lower support plate have the same top view shape, and their shapes are circular, elliptical, rectangular or regular polygonal.

7. The device for adjusting the elevation of a long-span steel reinforced concrete steel beam according to claim 6, wherein, When the top view shape of the upper support plate and the lower support plate is a regular polygon, the number of the plurality of support sleeves and the plurality of support columns is the same as the number of sides of the regular polygon, and they are located at the included angle of the regular polygon.

8. The device for adjusting the elevation of a long-span steel reinforced concrete steel beam according to claim 1, wherein, The vertical central axis of the jack coincides with the line connecting the centers of the upper support plate and the lower support plate.

9. The device for adjusting the elevation of a long-span steel reinforced concrete steel beam according to claim 1, wherein, The jack also includes an auxiliary pressure rod, which is used to operate the jack to lift.

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