A flange beam fixing device

Abstract

This invention discloses a flange beam fixing device in the field of building construction technology, including a fixing assembly. The fixing assembly includes a base plate for connecting the flange, with multiple through-holes on the base plate. First fasteners for fixing the base plate to the flange are detachably connected within the through-holes. A support plate for supporting the web of an H-beam is fixedly connected to the base plate. Connecting plates are fixedly connected to both sides of the support plate, and second fasteners for supporting the lower flange of the H-beam are detachably connected to the connecting plates. This fixing device effectively improves the ease of loading and unloading H-beams and flanges.

Description

Technical Field

[0001] This utility model belongs to the field of building construction technology, and specifically relates to a flange beam fixing device. Background Technology

[0002] Before some building construction, a support system needs to be built first. Taking bridge construction as an example, the support system before construction mainly consists of steel pipe columns, flanges, I-beams and crossbeams. During construction, the bottom of the flange is welded to the top of the steel pipe column. There are usually multiple I-beams, which are welded to the top of the flanges one after another. Then, the crossbeams are placed between two adjacent I-beams.

[0003] The above method effectively secures the steel pipe columns, flanges, and I-beams, and the crossbeams also achieve good fixation under the limiting effect of the I-beams. However, this method has the following problems: 1. For ease of transportation and handling, the I-beams need to be welded during the construction of the support system. Welding in the field is inconvenient due to limited electricity and time-consuming, requiring workers to work at heights for extended periods, posing significant safety hazards. 2. After the bridge is built, the support system needs to be dismantled. During dismantling, the welded joints between the I-beams and flanges need to be cut, and then the crossbeams, I-beams, and steel pipe columns are lifted away by crane. Because it is difficult to accurately determine whether the welded joints have been cut, the lifting process can easily become unbalanced, leading to safety accidents. Utility Model Content

[0004] The present invention aims to provide a flange beam fixing device to improve the convenience of loading and unloading I-beams and flanges.

[0005] A flange beam fixing device in this solution includes a base plate for connecting the flange, a plurality of through-holes on the base plate, and a first fastener for fixing the base plate to the flange detachably connected in the through-holes; a support plate for supporting the web of the I-beam is fixedly connected to the base plate, and a connecting plate is fixedly connected to both sides of the support plate, and a second fastener for supporting the lower flange of the I-beam is detachably connected to the connecting plate.

[0006] The working principle and beneficial effects of this scheme are as follows: When constructing the building support system, as with existing technologies, the bottom of the flange is pre-welded to the top of the steel pipe column. This scheme requires two fixing devices to work together. After transporting and fixing the steel pipe column to the designated location, the base plate of one fixing device is placed at the desired installation position. The base plate is then securely connected to the flange via the connecting holes and the first fastener. Next, H-beams are placed on top of the flange, with the web of the first H-beam abutting against the support plate of the installed fixing device. More H-beams are then placed sequentially on top of the flange, with multiple H-beams placed close together. After the H-beams are in place, the base plate of the second fixing device is securely connected to the flange. At this point, the support plates of the two fixing devices abut against the webs of the two outermost H-beams. Then, the lower flange of the H-beam is secured using the second fastener on the connecting plate, thus achieving a stable connection between the H-beam and the base plate. Finally, the crossbeam is placed inside the adjacent H-beam for fixation.

[0007] When construction is complete and the support system needs to be dismantled, simply reverse the process. First, unscrew the second fastener to release the constraint on the lower flange of the I-beam. Then, release the connection between the first fastener of one of the fixing devices and the flange to separate the base plate of that fixing device from the flange. Next, use hoisting equipment to lift away the beam and I-beam. Finally, remove the other fixing device.

[0008] The beneficial effects of this solution are as follows: This fixing device uses fastener connections, eliminating the need for on-site welding. Workers only need to connect or disconnect the fixing device from the flange using fasteners, significantly shortening loading and unloading time and reducing the duration of high-altitude operations. In particular, the connection between the flange and the base plate is a detachable mechanical connection, allowing for clear and definitive judgment of whether the connection is completely severed (whether the fasteners are loosened and removed). This ensures that during the hoisting of I-beams, there will be no sudden breakage due to incomplete cutting of weld points or hoisting imbalance caused by residual weld points, greatly improving the safety of dismantling operations. Furthermore, the fastener connection method ensures that the components are largely undamaged after dismantling, allowing for multiple reuses, improving material utilization, reducing component wear caused by welding and cutting, and lowering construction costs.

[0009] Furthermore, the base plate is of a slightly curved shape, with multiple connecting holes located on the same circumference. This slightly curved base plate better conforms to the shape of the flange, especially when the flange is circular, resulting in a tighter fit and more even stress distribution between the base plate and the flange. When supporting the I-beams and crossbeams, it effectively disperses pressure from above, preventing localized stress concentration that could lead to loosening. The multiple connecting holes on the same circumference, used in conjunction with the first fastener, create a uniform tightening force in the circumferential direction, further enhancing the stability of the connection between the base plate and the flange and ensuring the reliability of the entire support system during construction.

[0010] Furthermore, the connecting hole is arc-shaped. The arc-shaped connecting hole allows for slight angular adjustments to the first fastener during installation, providing a certain amount of room for movement and facilitating adjustments to the installation position to adapt to different installation conditions.

[0011] Furthermore, the first fastener includes a first bolt and a nut. The combination of the first bolt and nut is a common and mature detachable connection method, characterized by its simple structure and convenient installation and disassembly. Moreover, the connection strength of the bolt and nut is high, which can meet the requirements of the building construction support system to withstand large loads during construction, and ensure the firmness of the connection between the fixing device and the flange.

[0012] Furthermore, the second fastener is a second bolt, which is threaded onto the connecting plate. This threaded connection allows for precise adjustment of the bearing force on the lower flange of the I-beam.

[0013] Furthermore, the supporting plate is welded or integrally formed onto the base plate. This welding or integral forming method ensures high connection strength and stability between the supporting plate and the base plate.

[0014] Furthermore, the connecting plate is welded or integrally formed onto the supporting plate. This welding or integral forming connection enhances the stability of the connecting plate.

[0015] Furthermore, the flange beam fixing device also includes a flange with evenly distributed through holes for use with the first fastener. There are two base plates, which are detachably connected to the flange via the first fastener, with the free ends of the two supporting plates facing each other. The flange, with its evenly distributed through holes, mates with the connecting holes on the base plate and the first fastener, making the connection between the fixing device and the flange more standardized and compliant, facilitating installation and use in different construction scenarios. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a flange beam fixing device according to Embodiment 1 of this utility model.

[0017] Figure 2 for Figure 1 Top view after removing the first and second fasteners.

[0018] Figure 3 for Figure 1 Left view after removing the first and second fasteners.

[0019] Figure 4 This is a top view of a flange beam fixing device according to Embodiment 2 of this utility model after removing the first and second fasteners.

[0020] Figure 5 The three views and dimensions of a flange beam fixing device after removing the first and second fasteners are shown in Embodiment 2 of this utility model.

[0021] Figure 6 This is a schematic diagram of the structure of a flange beam fixing device according to Embodiment 3 of this utility model.

[0022] Figure 7 for Figure 6 Top view of the middle flange.

[0023] Figure 8 This is a diagram showing the usage status of the flange beam fixing device.

[0024] The reference numerals in the accompanying drawings include: 1. Support plate; 2. Base plate; 3. Connecting plate; 4. Second fastener; 5. First fastener; 6. Threaded hole; 7. Connecting hole; 8. Flange; 9. Through hole; 10. Crossbeam; 11. I-beam; 12. Steel pipe column. Detailed Implementation

[0025] The following detailed description of specific implementation methods illustrates the following: In embodiments 1 to 3, the first fastener 5 includes a first bolt and a nut; the second fastener 4 includes a second bolt.

[0026] Example 1 is basically as shown in the appendix. Figures 1-3 As shown: A flange beam fixing device includes a bottom plate 2 with a slight arc shape for connecting a flange 8. The bottom plate 2 has three circular connecting holes 7 that pass through it. The three connecting holes 7 are located on the same circumference. A first fastener 5 for fixing the bottom plate 2 to the flange 8 is detachably connected in the connecting holes 7. A support plate 1 for supporting the web of an I-beam 11 is welded on the bottom plate 2. A connecting plate 3 is welded on both sides of the support plate 1. The connecting plate 3 has a threaded hole, and a second bolt is threaded into the threaded hole.

[0027] Specific implementation process: First, weld the bottom of flange 8 to the top of steel pipe column 12 in advance to complete the pre-assembly of the foundation components. Fix the steel pipe column 12 with welded flange 8 to a specific location on the construction site. Take out a fixing device and place the arched base plate 2 on the flange 8 at the pre-planned installation position. Since the three circular connecting holes 7 on the base plate 2 are located on the same circumference and match the corresponding holes on the flange 8, pass the first bolt through the connecting holes 7 on the base plate 2 and the holes on the flange 8 in sequence, then tighten the nuts to firmly connect the base plate 2 and the flange 8. Place the first I-beam 11 on top of the flange 8, ensuring the web of the I-beam 11 is tightly abutted against the abutment plate 1 with the fixed device already installed, serving as the reference for subsequent I-beam 11 installations. Next, place the other I-beams 11 on top of the flange 8 in sequence, arranging them closely together. During placement, ensure the accurate positioning of the I-beams 11 and their tight fit against each other.

[0028] After placing all the I-beams 11, take out another fixing device and place its base plate 2 on the corresponding position of the flange 8. Securely connect the base plate 2 to the flange 8 using the first bolt and nut. At this point, the abutment plates 1 of the two fixing devices abut against the webs of the two outermost I-beams 11, forming a lateral limit on the I-beams 11. Screw the second bolt into the connecting plate 3. By adjusting the tightness of the second bolt, ensure that the end of the second bolt firmly abuts against the lower flange of the I-beam 11, thereby fixing the lower flange of the I-beam 11. After fixing the I-beams 11, place the crossbeam 10 between adjacent I-beams 11. Utilize the limiting effect of the I-beams 11 on the crossbeam 10 to form a stable support system.

[0029] After the building construction is completed, the support system is dismantled. First, the second bolt on the connecting plate 3 is unscrewed to release the constraint on the lower flange of the I-beam 11. After all the second bolts are unscrewed, the first fastener 5 of one of the fixing devices is unscrewed, which separates the base plate 2 of the fixing device from the flange 8. Then, the crossbeam 10 and the I-beam 11 are lifted away using hoisting equipment. Finally, the other fixing device is removed.

[0030] Complete the disassembly of the fixing device.

[0031] The only difference between Example 2 and Example 1 is that, as shown in the attached document... Figure 4 As shown, the connecting hole 7 is arc-shaped.

[0032] Specific implementation process: The construction, use, and dismantling process of Example 2 is basically the same as that of Example 1, with the main difference being the shape of the connecting hole 7. During the construction phase, when installing the base plate 2, because the connecting hole 7 is arc-shaped, it provides some movement space for the first bolt when passing it through the connecting hole 7 and the hole on the flange 8. When there is a slight deviation in position between the hole on the flange 8 and the connecting hole 7 on the base plate 2, there is no need to readjust the flange 8 or the base plate 2. The first bolt can be installed smoothly by directly adjusting its angle and position within the arc-shaped connecting hole 7. Then, the nut is tightened according to the specified torque requirements to complete the connection between the base plate 2 and the flange 8. The support system is attached. Figure 8 As shown.

[0033] Example 3 is basically as shown in the appendix. Figure 6 As shown, the only difference between this embodiment and embodiment 2 is that: flange 8 is part of the fixing device, and embodiment 3 includes the two fixing devices in embodiment 2. Specifically: the longitudinal section of flange 8 is I-shaped, the cross section of flange 8 is circular, flange 8 includes a cylinder and flanges integrally formed at both ends of the cylinder, and sixteen through holes 9 are evenly distributed on the top flange for use with the first fastener 5. All through holes 9 are located on the same circumference; the two base plates 2 are detachably connected to flange 8 through the first fastener 5, and the free ends of the two abutment plates 1 are opposite each other.

[0034] The specific implementation process of Example 3 is the same as that of Example 2. After the support system is built, it is shown in the attached figure. Figure 8 As shown.

[0035] The above descriptions are merely embodiments of this utility model, and common knowledge regarding specific structures and characteristics is not elaborated upon here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the structure of this utility model, and these should also be considered within the scope of protection of this utility model. These modifications will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application shall be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A flange beam fixing device, characterized by: The device includes a base plate for connecting a flange, the base plate having multiple through-holes, and a first fastener for fixing the base plate to the flange being detachably connected in the through-holes; a support plate for supporting the web of an I-beam is fixedly connected to the base plate, and a connecting plate is fixedly connected to both sides of the support plate, and a second fastener for supporting the lower flange of the I-beam is detachably connected to the connecting plate.

2. A flange beam securing device according to claim 1, wherein: The base plate is of inferior arc shape, and the multiple connecting holes are located on the same circumference.

3. A flange beam securing device according to claim 2, wherein: The connection hole is arc-shaped.

4. A flange beam securing device according to claim 3, wherein: The first fastener includes a first bolt and a nut.

5. A flange beam securing device according to claim 4, wherein: The second fastener is a second bolt, which is threaded onto the connecting plate.

6. A flange beam securing device according to claim 5, wherein: The supporting plate is welded or integrally formed on the base plate.

7. A flange beam securing device according to claim 6, wherein: The connecting plate is welded or integrally formed onto the supporting plate.

8. A flange beam fixing device according to any one of claims 1 to 7, characterised in that: The flange beam fixing device also includes a flange, on which through holes are evenly distributed for use with the first fastener. There are two base plates, which are detachably connected to the flange by the first fastener, and the free ends of the two abutment plates are opposite each other.

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