A combined floor construction demountable temporary support structure

Abstract

The utility model discloses a kind of combined floor construction detachable temporary support structures, comprising: horizontal cross bar, telescopic rod, screw rod and nut;Multiple through holes are provided on the horizontal cross bar pipe wall along the axial direction interval, the telescopic rod is nested in horizontal cross bar, its end portion is equipped with the positioning hole corresponding with through hole, connecting bolt is passed through the through hole and positioning hole, to fix the relative position of horizontal cross bar and telescopic rod;Screw rod one end is inserted into the end of telescopic rod away from horizontal cross bar, and screw rod other end is welded top plate;The inner diameter of telescopic rod is slightly greater than the outer diameter of screw rod;Nut is sleeved on screw rod, for adjusting the extension length of screw rod, the outer diameter of nut is greater than the outer diameter of telescopic rod.The telescopic support rod piece quality light and clever of the utility model, engineering cost is low, solve the problem of steel beam stability overrun, wide application range, can be used on various different projects and recycling.

Description

Technical Field

[0001] This utility model relates to the field of steel frame structure composite floor construction in industrial buildings. More specifically, this utility model relates to a detachable temporary support structure for composite floor construction. Background Technology

[0002] During the construction phase of composite floor slabs in steel frame structures of industrial buildings, the steel beams and floor slabs cannot form a combined load-bearing system through studs because the cast-in-place concrete has not yet hardened. This results in weak stability of the steel beams at this stage, making them prone to local buckling or even instability. Existing technologies address this problem in two ways: one is to increase the cross-section of the upper and lower flanges of the steel beams during the design phase to ensure stability, but this significantly increases the amount of steel used in the structure; the other is to add temporary support structures during construction, similar to full-span scaffolding. This method is very expensive, greatly increasing project costs and causing significant construction difficulties. Utility Model Content

[0003] The purpose of this utility model is to provide a detachable temporary support structure for combined floor construction. The telescopic support members used are lightweight, the project cost is low, it solves the problem of steel beam instability exceeding limits, has a wide range of applications, can be used in various projects, and can be recycled.

[0004] The technical solution adopted by this utility model to solve this technical problem is: a detachable temporary support structure for combined floor construction, characterized in that it includes: horizontal crossbars, telescopic bars, screws, and nuts;

[0005] Multiple through holes are spaced axially on the wall of the horizontal crossbar. The telescopic rod is nested inside the horizontal crossbar, and its end is provided with a positioning hole corresponding to the through hole. The connecting bolt passes through the through hole and the positioning hole to fix the relative position of the horizontal crossbar and the telescopic rod.

[0006] One end of the screw is inserted into the end of the telescopic rod away from the horizontal crossbar, and the other end of the screw is welded to the top plate; the inner diameter of the telescopic rod is slightly larger than the outer diameter of the screw.

[0007] The nut is screwed onto the screw rod and is used to adjust the extension length of the screw rod. The outer diameter of the nut is larger than the outer diameter of the telescopic rod.

[0008] As a further embodiment of this utility model, the through-hole spacing of the horizontal crossbar is 200mm, and the hole diameter is φ18mm.

[0009] The positioning hole of the telescopic rod is 60mm from the end and has a diameter of φ18mm.

[0010] As a further embodiment of this utility model, a base plate is welded to the end of the horizontal crossbar, and triangular stiffening plates are welded to the four corners of the base plate.

[0011] As a further embodiment of this utility model, the nut is a thick-walled hexagonal nut with a handle welded on it.

[0012] As a further aspect of this utility model, the outer wall of the telescopic rod is marked with length scale lines, and the scale accuracy is 10mm;

[0013] The inner wall of the horizontal bar is provided with a guide groove, and the outer wall of the telescopic bar is provided with a protrusion that matches the groove.

[0014] As a further embodiment of this utility model, anti-slip rubber pads are adhered to both the contact surfaces of the bottom plate and the top plate relative to the steel beam.

[0015] As a further embodiment of this utility model, the connecting bolt is an anti-loosening bolt, and a disc-shaped spring washer is provided between the nut and the outer wall of the horizontal bar.

[0016] This utility model has at least the following beneficial effects:

[0017] 1. The temporary support structure of this application replaces the traditional full-span scaffolding, reducing the cost of construction measures. The sleeve design of the horizontal crossbars and telescopic bars, together with standardized connectors (M16 bolts), enables the overall temporary support structure to be infinitely adjustable from 1800mm to 3500mm. The overall structure is lightweight and can be reused repeatedly.

[0018] 2. The top plate at the end of the screw is fitted with an anti-slip rubber pad, which increases the contact area and avoids damage to the paint surface of the steel beam, thereby improving the support stability of the temporary support structure.

[0019] 3. The scale markings and guide grooves improve the installation positioning accuracy and reduce the complexity of installation; the modular structure allows for immediate use after installation, meeting the needs of modern industrialized construction.

[0020] Other advantages, objectives and features of this invention will be partly apparent from the following description, and partly understood by those skilled in the art through study and practice of this invention. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the detachable temporary support structure for combined floor construction of this utility model;

[0022] Figure 2 yes Figure 1 Sectional view 1-1;

[0023] Figure 3 This is a schematic diagram of a horizontal bar;

[0024] Figure 4 This is a schematic diagram of a telescopic pole;

[0025] Figure 5 This is a schematic diagram of a screw;

[0026] Figure 6 This is a schematic diagram of a nut.

[0027] Among them, 1. horizontal crossbar, 2. telescopic bar, 3. screw rod, 4. nut, 5. connecting bolt, 6. handle, 7. top plate, 8. bottom plate, 9. steel beam, 10. stiffening plate, 11. through hole, 12. positioning hole. Detailed Implementation

[0028] The present invention will now be described in detail and completely with reference to the accompanying drawings. Those skilled in the art will be able to implement the present invention based on these descriptions. Before describing the present invention with reference to the accompanying drawings, it should be particularly noted that the technical solutions and features provided in the various parts of the present invention, including the following description, can be combined with each other without conflict.

[0029] Furthermore, the embodiments of the present invention described below are generally only a part of the embodiments of the present invention, and not all of the embodiments. Therefore, all other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort should fall within the protection scope of the present invention.

[0030] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. The specific implementation process is as follows:

[0031] like Figures 1-6 As shown, this utility model provides a detachable temporary support structure for combined floor construction, including: a horizontal crossbar 1, a telescopic bar 2, a screw rod 3, and a nut 4;

[0032] The horizontal crossbar 1 is a galvanized steel welded pipe with multiple through holes 11 spaced axially on its pipe wall. The telescopic rod 2 is nested inside the horizontal crossbar 1 and has a positioning hole 12 at its end corresponding to the through hole 11. The connecting bolt 5 passes through the through hole 11 and the positioning hole 12 to fix the relative position of the horizontal crossbar 1 and the telescopic rod 2.

[0033] One end of the screw 3 is inserted into the end of the telescopic rod 2 away from the horizontal crossbar 1, and the other end of the screw 3 is welded to the top plate 7. In this embodiment, the top plate 7 has dimensions of 165×165×12mm and is made of Q235B steel. The inner diameter of the telescopic rod 2 is slightly larger than the outer diameter of the screw 3. The screw 3 is made of a fully threaded φ35 rod, and the telescopic rod 2 is made of φ45X4.0 galvanized steel welded pipe.

[0034] Nut 4 is screwed onto screw rod 3 and is used to adjust the extension length of screw rod 3. The outer diameter of nut 4 is larger than the outer diameter of telescopic rod 2.

[0035] In the above technical solution, the method of using the temporary support structure is as follows: First, measure and position: determine the support length according to the spacing of the steel beams 9; Second, coarse adjustment and fixing: insert the telescopic rod 2 into the horizontal bar 1, align the holes and then insert bolts to fix it; Third, fine adjustment of the top support: rotate the nut 4 to push the screw 3 so that the top plate 7 can be tightly attached to the web of the steel beam 9, and then continue to rotate the nut 4 so that the nut 4 is tightly attached to the end of the telescopic rod 2, so that the two ends of the temporary support structure support the steel beam 9; Fourth, after the concrete hardens, reverse the operation to disassemble, clean the dirt and reuse it.

[0036] This technical solution may also include the following technical details to better achieve the technical effect: the through holes 11 of the horizontal crossbar 1 (1) are spaced 200mm apart and have a diameter of φ18mm;

[0037] The positioning hole 12 of the telescopic rod 2 (2) is 60 mm from the end and has a diameter of φ18 mm.

[0038] This technical solution may also include the following technical details to better achieve the technical effect: a base plate 8 is welded to the end of the horizontal crossbar 1, and triangular stiffening plates 10 are welded to the four corners of the base plate 8, thereby dispersing contact stress, avoiding local crushing, and improving support stability. In this embodiment, the horizontal crossbar 1 is made of φ55X4.0 galvanized steel welded pipe, the base plate 8 has dimensions of 200×100×8mm, and the stiffening plates 10 have dimensions of 60×40×4mm.

[0039] This technical solution may also include the following technical details to better achieve the technical effect: the nut 4 is a thick-walled hexagonal nut 4, with a handle 6 welded on it, which facilitates manual rotation of the nut 4 and improves construction efficiency.

[0040] This technical solution may also include the following technical details to better achieve the technical effect: the outer wall of the telescopic rod 2 is marked with a length scale line with a scale accuracy of 10mm; the inner wall of the horizontal crossbar 1 is provided with a guide groove, and the outer wall of the telescopic rod 2 (2) is provided with a convex ridge that matches the groove, so as to prevent relative rotation during the telescopic process and eliminate adjustment deflection error.

[0041] This technical solution may also include the following technical details to better achieve the technical effect: anti-slip rubber pads are adhered to the contact surfaces of the base plate 8 and the steel beam 9, and the contact surfaces of the top plate 7 and the steel beam 9. The rubber pads are 5mm thick, which protect the paint surface of the steel beam 9 and reduce the risk of support slippage.

[0042] This technical solution may also include the following technical details to better achieve the technical effect: the connecting bolt 5 is an anti-loosening bolt, and a disc spring washer is provided between its nut and the outer wall of the horizontal bar 1 to resist construction vibration load.

[0043] In one specific embodiment, the detachable temporary support structure for the combined floor construction consists of horizontal crossbar 1, telescopic bar 2, screw rod 3, nut 4, and M16 bolt. The horizontal crossbar 1 is made of φ55*4.0 galvanized steel welded pipe, with the end welded together by a 200*100*8.0 base plate 8 and four 60*40*4.0 stiffening plates 10. The total length of the horizontal crossbar 1 is 1700mm. Multiple through holes of φ18mm are set on the welded pipe at 200mm intervals to facilitate bolt insertion and positioning. The telescopic bar 2 is made of φ45*4.0 galvanized steel welded pipe, with a φ18mm through hole 11 60mm from the end. It can be extended and retracted in conjunction with the horizontal crossbar 1 for positioning. The total length of the telescopic bar 2 is 1660mm. The screw rod 3 is made of fully threaded φ35 rod, with a 165*165*12 top plate 7 welded to the end. It is used with nuts 4 for fine adjustment of extension and retraction positioning. The overall temporary support structure has a support range of 1800mm~3500mm, covering all spacing ranges of conventional industrial building composite beam structure supports.

[0044] Although the embodiments of this utility model have been disclosed above, they are not limited to the applications listed in the specification and embodiments. They can be applied to various fields suitable for this utility model. For those skilled in the art, other modifications can be easily made. Therefore, without departing from the general concept defined by the claims and their equivalents, this utility model is not limited to the specific details and embodiments shown and described herein.

Claims

1. A detachable temporary support structure for combined floor construction, characterized in that, include: Horizontal crossbars, telescopic rods, threaded rods, and nuts; Multiple through holes are spaced axially on the wall of the horizontal crossbar. The telescopic rod is nested inside the horizontal crossbar, and its end is provided with a positioning hole corresponding to the through hole. The connecting bolt passes through the through hole and the positioning hole to fix the relative position of the horizontal crossbar and the telescopic rod. One end of the screw is inserted into the end of the telescopic rod away from the horizontal crossbar, and the other end of the screw is welded to the top plate; the inner diameter of the telescopic rod is slightly larger than the outer diameter of the screw. The nut is screwed onto the screw rod and is used to adjust the extension length of the screw rod. The outer diameter of the nut is larger than the outer diameter of the telescopic rod.

2. The detachable temporary support structure for combined floor construction as described in claim 1, characterized in that, The through holes of the horizontal crossbar are spaced 200mm apart and have a diameter of φ18mm. The positioning hole of the telescopic rod is 60mm from the end and has a diameter of φ18mm.

3. The detachable temporary support structure for combined floor construction as described in claim 1, characterized in that, The horizontal crossbar is welded to a base plate at its end, and triangular stiffening plates are welded to the four corners of the base plate.

4. The detachable temporary support structure for combined floor construction as described in claim 1, characterized in that, The nut is a thick-walled hexagonal nut with a handle welded on it.

5. The detachable temporary support structure for combined floor construction as described in claim 1, characterized in that, The telescopic rod has length graduation lines marked on its outer wall, with a graduation accuracy of 10mm. The inner wall of the horizontal bar is provided with a guide groove, and the outer wall of the telescopic bar is provided with a protrusion that matches the groove.

6. The detachable temporary support structure for combined floor construction as described in claim 1, characterized in that, Anti-slip rubber pads are adhered to the contact surfaces of the bottom plate and the top plate with the steel beams.

7. The detachable temporary support structure for combined floor construction as described in claim 1, characterized in that, The connecting bolts are anti-loosening bolts, and a disc spring washer is provided between the nut and the outer wall of the horizontal bar.

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