Height-adjustable I-shaped steel back-jacking device
By designing an I-steel back-top device with adjustable height, the problems of high costs, complex processes and low efficiency in the construction of traditional post-pouring tapes are solved, and rapid installation, cost reduction and improvement of construction efficiency and flexibility are achieved, which meets the environmental protection requirements of green buildings.
Patent Information
- Application Number
- CN202420622042.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-28
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-03-28
AI Technical Summary
There are problems of high cost, complex construction processes and low efficiency in the construction of traditional post-pouring belts.
A height-adjustable I-steel back-top device is designed. The square pass is symmetrically fixed on both sides of the lower end of the I-steel. The bottom of the square pass is connected to the buckle-type top support. The top support includes a base, a screw and an adjustment disk. The upper end of the screw is inserted into the square pass, and the bottom of the square pass is abutted on the adjustment disk, and the height of the I-steel is adjusted by rotating the adjustment disk.
The device enables rapid installation and disassembly, significantly reduces construction time and labor costs, improves construction efficiency and flexibility, simplifies construction processes, and meets the environmental protection requirements of green buildings.
Smart Images

Figure CN222632923U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of building construction, and particularly relates to an I-beam top-returning device with adjustable height. Background Art
[0002] In the process of modern building construction, the treatment of post-cast strips has always been a technical difficulty. Traditionally, the construction of post-cast strips mainly adopts the technology of back-to-top with a buckle frame. Although this method has been widely used in early building construction, with the development of construction technology, its limitations have gradually emerged: such as complex construction, time-consuming and labor-intensive, and high cost, which seriously affect construction efficiency and cost control. Utility Model Content
[0003] The utility model aims to provide an I-beam top-returning device with simple structure and convenient installation and adjustable height, so as to solve the problems of high cost, complicated construction process and low efficiency existing in the construction of post-casting strips.
[0004] The technical solution of the utility model is an I-beam return device with adjustable height, comprising: an I-beam, square tubes are symmetrically fixed on both sides of the lower end of the I-beam, the bottoms of the square tubes are connected to disc-type top supports, the disc-type top supports include a base, a screw fixed on the base and an adjusting disk threadedly connected to the screw, the upper end of the screw is inserted into the square tube, the bottom of the square tube abuts on the adjusting disk, and the position of the square tube is moved by rotating the adjusting disk, thereby adjusting the height of the I-beam.
[0005] Preferably, the base is provided with a U-shaped groove.
[0006] Preferably, it further comprises a wooden block arranged at the bottom of the disc-shaped top support, wherein the width of the wooden block matches the size of the U-shaped groove, so that the base is clamped on the wooden block.
[0007] Preferably, the length of the wooden square is greater than the distance between the two disc-shaped top supports connected to the bottom of the square tube, so that the wooden square passes through the bases of the two disc-shaped top supports and the two ends of the wooden square are respectively located on the outside of the two bases.
[0008] Preferably, the wood beams may consist of one or more wood beams.
[0009] Compared with the prior art, the beneficial effects of the utility model are:
[0010] ⑴ Compared with the traditional buckle frame, the I-beam return top technology can be quickly installed and disassembled during construction, which significantly reduces the construction time and labor costs. Through the simple structure and convenient installation method of the adjustable height I-beam return top device of the utility model, the purpose of reducing costs and improving construction efficiency is achieved.
[0011] (2) Due to the adjustability of the height of the I-beam return in the height-adjustable I-beam return device of the utility model, the I-beam return technology can adapt to the construction requirements of different heights and environments, thereby improving the flexibility of construction.
[0012] ⑶Using I-beam as the main supporting material, its structure is simple and its bearing capacity is strong, which greatly simplifies the construction process; at the same time, by combining the strength and stability of I-beam with the height adjustment function, the I-beam top-return technology simplifies the construction process while improving construction efficiency and safety. In addition, in terms of environmental protection, it reduces the generation of construction waste, which meets the current green building requirements.
[0013] (4) Customized cutting and processing of I-beams in advance to ensure that they can accurately match the specific dimensions of the post-casting strips, which not only improves the efficiency of material use, but also ensures the precise docking and stability of the overall structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a front view of the I-beam top-returning device with adjustable height of the utility model;
[0015] Figure 2 It is a top view of the I-beam top-returning device with adjustable height of the utility model;
[0016] Figure 3 It is a partial stereoscopic diagram of the I-beam top-returning device with adjustable height of the utility model.
[0017] Main component symbols:
[0018] I-beam 1 Fangtong 2 Disc buckle top support 3 Base 31 U-shaped groove 311 Screw 32 Adjustment disk 33 Wood 4 Upper floor 5 Lower floor 6 DETAILED DESCRIPTION
[0019] The utility model will be further described below in conjunction with the accompanying drawings:
[0020] See also Figures 1 to 3As shown, a height-adjustable I-beam top-returning device comprises: an I-beam 1, square tubes 2 are symmetrically fixed on both sides of the lower end of the I-beam 1, and the bottoms of the square tubes 2 are connected with disc-type top supports 3, the disc-type top supports 3 comprise a base 31, a screw rod 32 fixed on the base 31, and an adjusting disk 33 threadedly connected to the screw rod 32, the upper end of the screw rod 32 is inserted into the square tube 2, and the bottom of the square tube 2 abuts against the adjusting disk 33, and the position of the square tube 2 is moved by rotating the adjusting disk 33, thereby adjusting the height of the I-beam 1. The utility model adopts two disc-type top supports 3 to be connected with the square tubes 2 symmetrically fixed on both sides of the lower end of the I-beam 1, so that the two disc-type top supports 3 are respectively supported on both sides of the bottom of the I-beam 1, and the positions of the square tubes 2 on both sides of the I-beam 1 are adjusted by rotating the adjustment disk 3 on the disc-type top supports 3, thereby adjusting the height of the I-beam 1 to make the height of the I-beam 1 return to the top adjustable, thereby making the I-beam return to the top technology able to adapt to the construction requirements of different heights and environments, thereby improving the flexibility of construction.
[0021] Preferably, the base 31 is provided with a U-shaped groove 311 .
[0022] Preferably, the height-adjustable I-beam returning device also includes a wooden square 4 arranged at the bottom of the disc-type supporting support 3, and the width of the wooden square 4 is adapted to the size of the U-shaped groove 311, so that the base 31 is clamped on the wooden square 4, thereby ensuring that the height-adjustable I-beam returning device is stably stressed.
[0023] Preferably, the length of the wooden square 4 is greater than the spacing between the two disc-type top supports 3 connected to the bottom of the square tube 2, so that the wooden square 4 passes through the bases 31 of the two disc-type top supports 3 and the two ends of the wooden square 4 are respectively located on the outside of the two bases 31, thereby making the disc-type top supports 3 supported on both sides of the lower end of the I-beam 1 more stable.
[0024] Preferably, the wooden plank 4 can be composed of one or more wooden planks. In the present embodiment, two wooden planks are clamped in the base 31 of the disc-type jacking support 3 .
[0025] See also Figures 1 to 3 As shown, the processing and installation method of the height-adjustable I-beam top-returning device of the utility model is as follows:
[0026] (1) Component processing: According to the specific size and shape of the post-casting strip, the I-beam 1 is customized and cut and processed in advance. The square tube 2 is welded on the I-beam 1 so that the height can be adjusted at the construction site; specifically, in this embodiment, the size of the square tube is 50*50*3mm;
[0027] (2) Clean the site where the I-beam 1 is installed to ensure the accuracy of the installation;
[0028] ⑶ Component installation: According to the design drawings, install the processed I-beam 1 to the specified position, insert the disc-type jacking support 3 into the square tube 2, and adjust the height of the I-beam 1 by adjusting the disc-type jacking support 3, so that the top of the I-beam 1 abuts against the upper floor 5, and the base 31 of the disc-type jacking support 3 abuts against the lower floor 6, so that the device can adapt to construction requirements of different heights; at the same time, place two wooden squares in the U-shaped groove 311 of the disc-type jacking support base 31 to ensure stable force; specifically, in this embodiment, the width of the U-shaped groove 311 is 200mm, and two 50*100mm wooden squares are placed in the U-shaped groove 311.
[0029] (4) Arrange the I-beams according to the spacing designed in the design drawing, arrange the I-beam return device with adjustable height between the upper floor 5 and the lower floor 6, and adjust the height of the I-beam return according to the spacing between the upper floor 5 and the lower floor 6 to complete the installation of the I-beam return device.
[0030] The technical application of the height-adjustable I-beam top-return device provided by the utility model significantly improves the efficiency and safety of post-casting strip construction. As the main supporting material, the I-beam has a simple structure and strong load-bearing capacity, which greatly simplifies the construction process. Compared with the traditional buckle frame, the I-beam top-return technology can be quickly installed and disassembled during construction, which significantly reduces the construction time and labor costs. In addition, due to the stable structure of the I-beam, the safety of the construction site is also enhanced. In terms of environmental protection, the generation of construction waste is reduced, which meets the current green building requirements.
[0031] The above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention shall fall within the scope of the claims of the present invention.
Claims
1. An I-beam top-returning device with adjustable height, comprising: An I-beam is characterized in that square tubes are symmetrically fixed on both sides of the lower end of the I-beam, the bottoms of the square tubes are connected to disc-type top supports, the disc-type top supports include a base, a screw fixed on the base, and an adjusting disk threadedly connected to the screw, the upper end of the screw is inserted into the square tube, the bottom of the square tube abuts on the adjusting disk, and the position of the square tube is moved by rotating the adjusting disk, thereby adjusting the height of the I-beam.
2. The height-adjustable I-beam return device according to claim 1, characterized in that: The base is provided with a U-shaped groove.
3. The height-adjustable I-beam top-returning device according to claim 2, characterized in that: It also includes a wooden square arranged at the bottom of the disc-shaped top support, and the width of the wooden square is matched with the size of the U-shaped groove, so that the base is clamped on the wooden square.
4. The height-adjustable I-beam return device according to claim 3, characterized in that: The length of the wooden square is greater than the distance between the two disc-shaped top supports connected to the bottom of the square tube, so that the wooden square passes through the bases of the two disc-shaped top supports and the two ends of the wooden square are respectively located on the outsides of the two bases.
5. The height-adjustable I-beam top-returning device according to claim 3, characterized in that: The wood beam may consist of one or more wood beams.