Steel structure truss reinforcing device

Abstract

The utility model relates to the technical field of steel structure construction, in particular to a steel structure truss reinforcing device, which is used for vertically supporting one overhanging end of a roof truss and comprises a frame body, a base is arranged below the frame body, and a foundation bolt and a jack are mounted between the base and the frame body. A top support used for supporting a roof truss is installed at the top end of the frame body, and a cable rope is connected between the top support and a floor. The reinforcing device adopts modularized and standardized design, is low in material cost, compact in structure, convenient to adjust, wide in application range and capable of being recycled, and provides vertical support for the roof trusses, so that splicing operation between the adjacent roof trusses is facilitated; and the stability in the roof truss mounting process, the safety of workers and the overall construction efficiency are effectively guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of steel structure construction technology, and particularly relates to a steel structure truss reinforcing device. BACKGROUND

[0002] Steel structure has been widely applied in building engineering due to its high material strength, light quality and good toughness. When installing roof truss in steel structure workshop, a connecting mode of multi-section splicing is usually adopted, and the truss is hoisted and spliced in sections, so that the stability and accuracy of the truss installation need to be ensured. Since the truss has a large volume, there is a certain risk in the hoisting and installation process, especially the risk of instability and collapse, which has an adverse effect on the personal safety of workers and the progress of the project. SUMMARY

[0003] In order to improve the stability and safety in the process of installing roof truss, the utility model provides a steel structure truss reinforcing device.

[0004] The steel structure truss reinforcing device provided by the utility model adopts the following technical scheme:

[0005] A steel structure truss reinforcing device is used for vertically supporting one end of a roof truss cantilever, which comprises a frame body, a base is arranged below the frame body, a foundation bolt and a jack are installed between the base and the frame body, a top support for supporting the roof truss is installed at the top end of the frame body, and a cable wind rope is connected between the top support and a floor slab.

[0006] By adopting the above technical scheme, the reinforcing device is designed in a modular and standardized manner, has low material cost, compact structure, is convenient to adjust, has wide application range and can be used repeatedly, vertically supports the roof truss, facilitates the splicing operation between adjacent roof trusses, and effectively ensures the stability in the process of installing the roof truss, the safety of workers and the overall construction efficiency.

[0007] Optionally, a bottom base plate is placed on the floor slab, and the base is fixedly connected to the bottom base plate.

[0008] By adopting the above technical scheme, the bottom base plate can protect the concrete structure of the floor slab.

[0009] Optionally, the frame body comprises a frame column, a column bottom plate is fixedly connected to the bottom end of the frame column, the base comprises an H-shaped steel one, the jack is supported between the column bottom plate and an upper flange plate of the H-shaped steel one, and the foundation bolt is installed between the upper flange plate of the H-shaped steel one and the column bottom plate.

[0010] By adopting the above technical scheme, the installation or dismounting of the jack and the foundation bolt is facilitated.

[0011] Optionally, the anchor bolt comprises a screw rod, the screw rod is arranged in the upper flange plate of the H-shaped steel and the bottom plate of the column, and the screw rod is provided with a fastening nut, a leveling nut and a leveling pad, and the leveling nut and the leveling pad are located below the bottom plate of the column.

[0012] By adopting the technical scheme, the horizontal degree and the vertical degree of the frame body can be conveniently adjusted, so that the stability of the support is ensured.

[0013] Optionally, the base comprises two long H-shaped steels and two short H-shaped steels, and the two short H-shaped steels are vertically fixed between the two long H-shaped steels.

[0014] By adopting the technical scheme, the base structure is stable and convenient to process and manufacture.

[0015] Optionally, the long H-shaped steel and the short H-shaped steel are connected through a connecting plate, the connecting plate comprises a reinforcing part and a connecting part, the reinforcing part is vertically fixed between the flange plate and the web plate of the long H-shaped steel, and the connecting part is connected with the web plate of the short H-shaped steel through bolts.

[0016] By adopting the technical scheme, the connecting plate is convenient for the connection, fixation and disassembly of the two H-shaped steels which are perpendicular to each other.

[0017] Optionally, the reinforcing plate is vertically fixed between the flange plate and the web plate of the long H-shaped steel, and the reinforcing plate is located on the side of the web plate away from the connecting plate.

[0018] By adopting the technical scheme, the reinforcing plate improves the support strength of the H-shaped steel.

[0019] Optionally, the connecting plate and the reinforcing plate are located directly below the jack.

[0020] By adopting the technical scheme, the jack is effectively vertically supported, and the stability of the jack is improved.

[0021] Optionally, the top support comprises an H-shaped steel, the frame body comprises a frame column, the top end of the frame column is fixedly connected with a column top plate, and the lower flange plate of the H-shaped steel is connected with the column top plate through bolts.

[0022] By adopting the technical scheme, the installation or disassembly of the top support and the frame body is facilitated.

[0023] Optionally, the top surface of the top support is fixedly connected with a top pad plate.

[0024] By adopting the technical scheme, if there is a gap between the roof truss and the top support due to the arching, the gap can be filled by the top pad plate, so that the roof truss is effectively supported.

[0025] In summary, the utility model has at least one of the following beneficial technical effects:

[0026] 1. The reinforcing device adopts modular and standardized design, has low material cost, compact structure, convenient adjustment, wide application range and can be used repeatedly.

[0027] 2. The reinforcing device provides vertical support for the roof truss, facilitates splicing operation between adjacent roof trusses, and effectively guarantees stability in the roof truss installation process, safety of workers and overall construction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a structural schematic view of a steel structure truss reinforcing device in an embodiment of the utility model.

[0029] Figure 2 is Figure 1 an enlarged schematic view of part A in figure 1.

[0030] Figure 3 is a top view of a base in an embodiment of the utility model.

[0031] Figure 4 is Figure 3 a sectional view in B-B direction in figure 1.

[0032] Figure 5 is a top view of a top support in an embodiment of the utility model.

[0033] Figure 6 is Figure 5 a sectional view in C-C direction in figure 1.

[0034] Legend: 1, frame body; 10, frame column; 11, frame beam one; 12, frame beam two; 13, column bottom plate; 14, column top plate; 2, base; 20, H-shaped steel one; 21, connecting plate one; 210, reinforcing part one; 211, connecting part one; 22, reinforcing plate one; 3, jack; 4, anchor bolt; 40, screw rod; 41, fastening nut; 42, leveling nut; 43, leveling pad; 5, top support; 50, H-shaped steel two; 51, connecting plate two; 510, reinforcing part two; 511, connecting part two; 52, reinforcing plate two; 6, cable wind rope; 7, bottom pad. DETAILED DESCRIPTION

[0035] The utility model will be further explained in detail below. Figure 1 -Appendix Figure 6 The utility model will be further explained in detail below.

[0036] An embodiment of the utility model discloses a steel structure truss reinforcing device. Figure 1The steel structure truss reinforcing device is arranged at the bottom of the roof truss cantilever end, and comprises a frame body 1 for vertical support, a base 2 for supporting the frame body 1, a jack 3 arranged between the frame body 1 and the base 2 for adjusting the height of the frame body 1, a foundation bolt 4 for connecting the frame body 1 and the base 2, a top support 5 arranged at the top of the frame body 1, a cable wind rope 6 for assisting in stabilizing the frame body 1, and a bottom pad 7 arranged at the bottom of the base 2 for protecting the concrete floor.

[0037] With reference to Figure 1 and Figure 2 , the frame body 1 comprises frame columns 10, frame beams one 11, frame beams two 12, column bottom plates 13 and column top plates 14. The frame columns 10 are vertically arranged in a matrix with four frame columns 10, and the distance between adjacent two frame columns 10 is 1m. The frame columns 10 are rectangular tubes with a size of 150mm*5mm. The frame beams one 11 are arranged in multiple, and the frame beams one 11 are transversely fixedly connected between two adjacent frame columns 10. The frame beams one 11 are rectangular tubes with a size of 100mm*3mm. The frame beams two 12 are arranged in multiple, and the frame beams two 12 are obliquely fixedly connected between two adjacent frame columns 10. The frame beams two 12 are rectangular tubes with a size of 100mm*3mm. The column bottom plates 13 are rectangular and fixedly connected to the bottom ends of the frame columns 10. The column top plates 14 are rectangular and fixedly connected to the top ends of the frame columns 10.

[0038] With reference to Figure 3 and Figure 4 , the base 2 comprises H-shaped steels one 20, connecting plates one 21 and reinforcing plates one 22. The base 2 comprises two longer H-shaped steels one 20 arranged in parallel and two shorter H-shaped steels one 20 arranged in parallel and vertically arranged between the two longer H-shaped steels one 20. The connecting plates one 21 comprise reinforcing portions one 210 and connecting portions one 211. The reinforcing portions one 210 are vertically fixedly connected between the flange plates and the webs of the longer H-shaped steels one 20. The connecting portions one 211 are cantilevered and connected to the webs of the shorter H-shaped steels one 20 by bolts. The reinforcing plates one 22 are vertically fixedly connected between the flange plates and the webs of the longer H-shaped steels one 20 and located on the side of the web away from the connecting plates one 21.

[0039] With reference to Figure 2 and Figure 3, the jack 3 adopts 10 tons level, the jack 3 is placed on the upper flange plate top surface of longer H-shaped steel one 20, the top end of the jack 3 is supported on the column bottom plate 13, the connecting plate one 21 and the reinforcing plate one 22 are located below the jack 3. Anchor bolt 4 includes screw rod 40, fastening nut 41, leveling nut 42 and leveling pad 43, four screw rods 40 are arranged between the column bottom plate 13 and the upper flange plate of H-shaped steel one 20, the fastening nut 41 is provided with a plurality of and is screwed on the screw rod 40, the fastening nut 41 is clamped and fixed on the upper and lower sides of the upper flange plate of H-shaped steel one 20 and the upper side of the column bottom plate 13, the leveling nut 42 is screwed on the screw rod 40 and located on the lower side of the column bottom plate 13, the leveling pad 43 is clamped between the leveling nut 42 and the column bottom plate 13.

[0040] Referring to Figure 5 and Figure 6 , the top support 5 includes H-shaped steel two 50, connecting plate two 51 and reinforcing plate two 52. It includes two parallel longer H-shaped steel two 50 and two parallel shorter H-shaped steel two 50, and the two shorter H-shaped steel two 50 is vertically arranged between the two longer H-shaped steel two 50; the connecting plate two 51 includes the reinforcing part two 510 and the connecting part two 511, the reinforcing part two 510 is vertically fixed between the flange plate and the web of the longer H-shaped steel two 50, and the connecting part two 511 is cantilevered and connected with the web of the shorter H-shaped steel two 50 by bolts; the reinforcing plate two 52 is vertically fixed between the flange plate and the web of the longer H-shaped steel two 50 and located on the side of the web away from the connecting plate two 51.

[0041] Referring to Figure 1 , the column top plate 14 is bolted with the lower flange plate of H-shaped steel two 50, so as to facilitate installation or disassembly. The cable wind rope 6 is provided with four and located around the top support 5, the top end of the cable wind rope 6 is connected with the top support 5, and the bottom end of the cable wind rope 6 is connected with the concrete floor. By arranging the cable wind rope 6 around, the stability of the frame body 1 after installation is improved. The bottom pad 7 is made of steel plate, the lower flange plate of H-shaped steel one 20 is welded with the bottom pad 7, and the bottom pad 7 can protect the concrete structure of the floor. If there is a gap between the top support 5 and the roof truss due to the arching of the roof truss, a top pad can be welded on the top surface of the top support 5 to fill the gap and conduct stress.

[0042] The implementation principle of the steel structure truss reinforcing device in the embodiment of the utility model is: during construction, the bottom pad 7 is placed on the floor concrete, the base 2 is fixed on the bottom pad 7, and the screw rod 40, the fastening nut 41, the leveling nut 42, the leveling pad 43 and the jack 3 are installed. Assemble the frame body 1 and the top support 5, then hoist the frame body 1, and adopt measures to ensure the stability of the frame body 1 during hoisting, such as setting a sliding rope for orientation control.

[0043] When the frame body 1 is lowered, the column bottom plate 13 is placed on the leveling pad 43 and the jack 3 through the plurality of screw rods 40, and the jack 3 plays a vertical support and height adjustment role to adapt to the roof truss of different heights. After the column bottom elevation is measured to be qualified, the column bottom plate 13 is fixed by using the fastening nut 41, and if necessary, the top pad can be welded on the top of the jacking support 5 to fill the gap between the jacking support 5 and the roof truss; the cable wind rope 6 is used to ensure the stability of the frame body 1, and after the cable wind rope 6 is tightened, the hoisting facilities can be removed. The roof truss cantilever end is arranged on the jacking support 5, and the splicing work between the plurality of trusses can be carried out. When the roof truss is completely installed, four workers need to control four jacks 3 to slowly descend at the same time until the jacks 3 are completely retracted.

[0044] The reinforcing device adopts modular and standardized design, has low material cost, compact structure, convenient adjustment, wide application range and can be used repeatedly, provides vertical support for the roof truss, facilitates the splicing operation between adjacent roof trusses, effectively guarantees the stability in the roof truss installation process, the safety of workers and the overall construction efficiency, and helps promote the development of the steel structure installation industry in the direction of high quality and high efficiency.

[0045] The above are preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A steel structural truss reinforcement device for use in vertically bracing one end of a roof truss cantilever, characterised in that: The utility model provides a kind of roof support structure, including frame body (1), frame body (1) is provided with pedestal (2) below, pedestal (2) is installed with anchor bolt (4) and jack (3) between frame body (1), frame body (1) top end is installed for supporting roof truss top support (5), top support (5) is connected with cable wind rope (6) between floor.

2. The steel structural truss reinforcing device of claim 1, wherein: Floor is placed with bottom backing plate (7), pedestal (2) is fixedly connected on bottom backing plate (7).

3. The steel structural truss reinforcing device of claim 1, wherein: Frame body (1) includes frame column (10), and frame column (10) bottom end is fixedly connected with column bottom plate (13), and pedestal (2) includes H-shaped steel one (20), and jack (3) is supported between column bottom plate (13) and H-shaped steel one (20) upper flange plate, anchor bolt (4) is installed between H-shaped steel one (20) upper flange plate and column bottom plate (13).

4. The steel structural truss reinforcing device of claim 3, wherein: Anchor bolt (4) includes screw rod (40), screw rod (40) is threaded in H-shaped steel one (20) upper flange plate and column bottom plate (13), and screw rod (40) is installed with fastening nut (41), leveling nut (42) and leveling pad (43), and leveling nut (42) and leveling pad (43) are located below column bottom plate (13).

5. The steel structural truss reinforcing device of claim 3, wherein: Pedestal (2) includes two parallelly arranged longer H-shaped steel one (20) and two parallelly arranged shorter H-shaped steel one (20), and two shorter H-shaped steel one (20) are fixedly connected between two longer H-shaped steel one (20) perpendicularly.

6. The steel structural truss reinforcing device of claim 5, wherein: Longer H-shaped steel one (20) and shorter H-shaped steel one (20) are connected by connecting plate one (21), and connecting plate one (21) includes reinforcing part one (210) and connecting part one (211), reinforcing part one (210) is fixedly connected between the flange plate and web of longer H-shaped steel one (20) perpendicularly, and connecting part one (211) is connected with the web of shorter H-shaped steel one (20) by bolt.

7. The steel structural truss reinforcing device of claim 6, wherein: Reinforcing plate one (22) is fixedly connected between the flange plate and web of longer H-shaped steel one (20) perpendicularly, and reinforcing plate one (22) is located on the side of web away from connecting plate one (21).

8. The steel structural truss reinforcing device of claim 7, wherein: Connecting plate one (21) and reinforcing plate one (22) are located directly below jack (3).

9. The steel structural truss reinforcing device of claim 1, wherein: Top support (5) includes H-shaped steel two (50), and frame body (1) includes frame column (10), and frame column (10) top end is fixedly connected with column top plate (14), and H-shaped steel two (50) lower flange plate is connected by bolt between column top plate (14).

10. The steel structural truss reinforcing device of claim 1 or 9, wherein: Top surface of top support (5) is fixedly connected with top backing plate.

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