Adjustable supporting jig frame for assembly type curved steel net rack
By combining rectangular square steel, L-shaped galvanized steel plates, and adjustable bolts in a prefabricated structure, the problems of low reusability and non-adjustable height of existing jigs are solved, realizing adjustable height and stability of the support jig, and improving the flexibility and economy of construction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA CONSTR EIGHT ENG DIV CORP LTD
- Filing Date
- 2025-05-12
- Publication Date
- 2026-04-21
AI Technical Summary
The existing steel structure support frame is installed by welding the components together, which has a low reuse rate, high cost, and no height adjustment, reducing the flexibility and practicality of the device.
The prefabricated structure uses multiple upper and lower rectangular square steel, L-shaped galvanized steel plates and adjustable bolts. The bolted connection enables the adjustable height and detachability of the support frame, enhancing stability.
It enables the reuse and height adjustment of the support frame, improving the flexibility and economic efficiency of the device and meeting the diverse needs of the construction site.
Smart Images

Figure CN224149197U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of steel structure construction technology, and in particular to an adjustable support frame for prefabricated curved steel space frame. Background Technology
[0002] When assembling steel structures on the ground, it is usually necessary to place the steel structure on the corresponding support frame device in advance.
[0003] A search revealed Chinese patent CN107130808A, which discloses an assembly support frame. The frame includes two parallel supports placed on a horizontal plane, with a transverse connector fixed between them. Each support includes a base and several support columns fixed to the top surface of the base. Each support column has a ramp at its top, with the ramps smoothly transitioning sequentially. The steel component to be assembled is placed on the support columns of the two supports, and the dimensions of the steel component match the ramp at the top of the support columns. This support frame has two parallel supports, ensuring stable and safe assembly. Each support has a ramped support column, and the matching of the ramp with the dimensions of the steel component improves the positioning accuracy. Furthermore, the frame is small in size and easy to manufacture, meeting the complex construction requirements of municipal engineering projects.
[0004] Based on the above search and existing technology, the findings were as follows:
[0005] The components of the aforementioned patented support frame are installed by welding, resulting in low reusability, high cost, and the height of the frame cannot be adjusted according to the actual construction situation, which reduces the flexibility and practicality of the device and thus has certain limitations. Utility Model Content
[0006] To solve the above-mentioned technical problems, this utility model proposes an adjustable support frame for prefabricated curved steel grid, which can freely adjust the height of the support frame and reuse the support frame device.
[0007] The technical solution to achieve the purpose of this utility model is: an adjustable support frame for prefabricated curved steel space frame, including multiple upper rectangular square steels and multiple lower rectangular square steels, with adjacent upper rectangular square steels fixedly connected, and also including;
[0008] L-shaped galvanized steel sheet, wherein the L-shaped galvanized steel sheet is disposed between the upper rectangular square steel and the lower rectangular square steel;
[0009] An adjustable bolt is threadedly installed on the bottom of the lower rectangular square steel.
[0010] Preferably, each of the upper rectangular square steel bars and the L-shaped galvanized steel plate is threaded with a bolt one, and each of the lower rectangular square steel bars and the L-shaped galvanized steel plate is threaded with a bolt two.
[0011] Preferably, a base is fixedly installed at the bottom of the adjustable bolt, and a supporting steel is fixedly installed between adjacent lower rectangular square steel bars.
[0012] Compared with existing technologies, the significant advantages of this invention are:
[0013] Firstly, this utility model has a simple, novel, and easy-to-use structure. It is easy to disassemble and install, and its prefabricated structure can be reused and added to, thus having good economic benefits and social value.
[0014] Secondly, this utility model connects the steel plate and the upper and lower square steel together with bolts, which enhances the overall stability of the support frame device. Furthermore, by placing adjustable bolts with bases, the height of the entire support frame can be adjusted to meet the actual needs of on-site construction.
[0015] This invention solves the problems of existing patented support frames where components are installed by welding, resulting in low reusability, high cost, and the inability to adjust the height of the frame according to actual construction conditions, thus reducing the flexibility and practicality of the device. Attached Figure Description
[0016] The present invention will be further explained below with reference to the accompanying drawings and embodiments:
[0017] Figure 1 This is a schematic diagram of the planar structure provided in one embodiment of the present invention;
[0018] Figure 2 This is a side cross-sectional structural schematic diagram provided in one embodiment of the present invention;
[0019] Figure 3 This utility model is provided in two embodiments. Figure 2 Enlarged structural diagram at point A in the middle;
[0020] Figure 4 This utility model is provided in two embodiments. Figure 2 Enlarged structural diagram at point B.
[0021] Explanation of reference numerals in the attached figures:
[0022] 1. Upper rectangular square steel; 2. Lower rectangular square steel; 3. L-shaped galvanized steel sheet; 4. Bolt 1; 5. Bolt 2; 6. Adjustable bolt; 7. Support steel; 8. Base. Detailed Implementation
[0023] The present invention will now be described in detail, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.
[0024] This utility model provides an adjustable support frame for a prefabricated curved steel space frame through improvements. The technical solution of this utility model is as follows:
[0025] Example 1
[0026] like Figures 1-2 As shown, an adjustable support frame for a prefabricated curved steel space frame includes multiple upper rectangular square steels 1 and multiple lower rectangular square steels 2, with adjacent upper rectangular square steels 1 fixedly connected to ensure stability at the connection points; and also includes:
[0027] L-shaped galvanized steel plate 3, which is set between the upper rectangular square steel 1 and the lower rectangular square steel 2, provides a carrier for the connection of the device and has the effect of corrosion and rust prevention;
[0028] Adjustable bolt 6, threaded and installed at the bottom of the lower rectangular square steel 2, can adjust the overall height of the support frame. It can be adjusted in a timely manner according to the actual construction conditions on site, greatly improving flexibility.
[0029] Example 2:
[0030] Based on the first embodiment of this application which provides an adjustable support jig for a prefabricated curved steel space frame, the second embodiment of this application proposes another adjustable support jig for a prefabricated curved steel space frame. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.
[0031] The second embodiment of this utility model will be further described below with reference to the accompanying drawings and embodiments.
[0032] like Figures 3-4 As shown, each upper rectangular square steel 1 and L-shaped galvanized steel plate 3 is threaded with bolt 4, and each lower rectangular square steel 2 and L-shaped galvanized steel plate 3 is threaded with bolt 5. The bolts are detachable and can be reused, resulting in good economic benefits.
[0033] Furthermore, a base 8 is fixedly installed at the bottom of the adjustable bolt 6, and a support steel 7 is fixedly installed between adjacent lower rectangular square steel 2. The base 8 is used to adjust the height of the entire support frame to meet the needs of on-site construction. The support steel 7 forms a truss structure to enhance the overall resistance to lateral displacement.
[0034] The specific working method is as follows: This device consists of rectangular square steel, L-shaped galvanized steel plates 3, M10 fixing bolts, and adjustable bolts 6 with bases 8; the overall shape of the supporting frame is rectangular, with the lower rectangular square steel 2 supporting the upper rectangular square steel 1. Adjustable bolts 6 with bases 8 are placed at the midpoint of the lower rectangular square steel 2 in each span; an L-shaped galvanized steel plate 3 with a thickness of 3mm is placed on each side of the lower rectangular square steel 2; the connection method for the upper and lower square steels at non-edge locations is to pre-drill holes in the upper and lower rectangular square steel 2 and the L-shaped galvanized steel plates 3, and then bolt them together on one side of the L-shaped galvanized steel plates 3 on both sides of the lower rectangular square steel 2. The upper rectangular steel 1 is connected to the lower rectangular steel 2 by bolt 4. The other side of the L-shaped galvanized steel plate 3 is fixed to the lower rectangular steel 2 by bolt 5. The two upper square steel joints must be kept on the same horizontal line and fit tightly. This method ensures the stability of the connection at the node. The upper and lower square steels at the edge are connected by drilling holes in the upper and lower square steels and the L-shaped galvanized steel plate 3 beforehand. Then, the lower rectangular steel 2 and one side of the L-shaped galvanized steel plate 3 are connected by bolt 5. The other side of the L-shaped galvanized steel plate 3 is fixed to the upper rectangular steel 1 by bolt 4. This method ensures the stability of the node connection at the edge.
[0035] The technical means disclosed in this utility model are not limited to those described above, but also include technical solutions composed of equivalent substitutions of the above technical features. Matters not covered in this utility model are common knowledge to those skilled in the art.
Claims
1. An assembled curved steel net rack adjustable support jig frame, comprising a plurality of upper rectangular square steels (1) and a plurality of lower rectangular square steels (2), characterized in that: The fixed connection between adjacent upper rectangular square steel bars (1) also includes; L-shaped galvanized steel sheet (3), wherein the L-shaped galvanized steel sheet (3) is disposed between the upper rectangular square steel (1) and the lower rectangular square steel (2); An adjustable bolt (6) is threaded onto the bottom of the lower rectangular square steel (2).
2. The adjustable support jig for assembling curved steel net rack according to claim 1, characterized in that: Each of the upper rectangular square steel (1) and the L-shaped galvanized steel plate (3) is threaded with a bolt one (4), and each of the lower rectangular square steel (2) and the L-shaped galvanized steel plate (3) is threaded with a bolt two (5).
3. The adjustable support jig for assembling curved steel net rack according to claim 1, characterized in that: The adjustable bolt (6) is fixedly mounted with a base (8) at its bottom, and a support steel (7) is fixedly mounted between adjacent lower rectangular square steel (2).
Citation Information
Patent Citations
Assembled supporting jig frame
CN107130808A