A foldable support leg
By designing foldable support legs, the problem of the inability to fold the drum screen support structure was solved, enabling convenient transportation and improved stability of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG DACHENG MASCH TECH CO LTD
- Filing Date
- 2025-07-30
- Publication Date
- 2026-07-10
AI Technical Summary
The existing support structure of the drum screen cannot be folded, resulting in a high center of gravity, poor stability, and large space occupation during transportation, which is inconvenient for equipment transportation.
A foldable support leg was designed. By setting a rotating connection structure between the support leg and the support column, and adding diagonal connecting rods and bolts to fix adjacent support legs, the support leg can be folded and unfolded. Combined with magnetic adsorption fixation, stability is ensured.
The support legs can be easily folded, which reduces the center of gravity and space occupation during transportation, and improves the stability and portability of the equipment during transportation.
Smart Images

Figure CN224479491U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mechanical technology, specifically to a foldable support leg. Background Technology
[0002] Medium and large-scale particle sorting equipment, such as drum screens, are widely used in the screening of materials like sand, gravel, and coal in industries such as construction, highways, and mining. Because this equipment frequently needs to be moved between different construction sites, compact models that are easier to transport are more favored by engineering companies. In existing technology, the conventional support structure of drum screens cannot be folded, resulting in a high center of gravity and poor stability during transportation, and also occupying a large amount of space, making the equipment inconvenient to transport. Summary of the Invention
[0003] This utility model aims to address the technical deficiencies of existing technologies by providing a foldable support leg, thereby solving the technical problem that conventional support structures used for drum screens cannot be folded.
[0004] To achieve the above technical objectives, the present invention adopts the following technical solution:
[0005] A foldable support leg includes a support leg, a base plate, a support column, a crossbar, diagonal connecting rods, an upper bolt, a lower bolt, a groove, an opening, a fixing bolt, a pressure plate, an upper hook, a support rod, and a lower hook. The base plate is connected to the bottom end of the support leg, which is rotatably connected to the support column. A crossbar is fixedly connected between the two support columns. Two diagonal connecting rods are provided, arranged in a crisscross pattern. The upper end of one diagonal connecting rod is fixedly connected to the left support leg by an upper bolt, and the lower end of the same rod is fixedly connected to the right support leg by a lower bolt. The other diagonal connecting rod... The upper end of the diagonal connecting rod is fixedly connected to the right support leg by an upper bolt, and the lower end of the diagonal connecting rod is fixedly connected to the left support leg by a lower bolt. A groove is provided on the inner side of the support leg, and the end of the diagonal connecting rod, as well as the upper and lower bolts, are located in the groove. An opening is provided at the lower end of the support rod, and lower hooks are provided on both sides of the opening on the support rod. The support rod is located at the top of the column, and the pressure plate is fastened to the column by fixing bolts. Upper hooks are provided on both sides of the pressure plate, and the pressure plate is located at the opening of the support rod, with the upper hooks pressing on the lower hooks.
[0006] Preferably, a threaded rod is fixedly connected to the lower end of the support leg, and an adjusting bolt is threaded onto the threaded rod, with the adjusting bolt connected to the base plate.
[0007] Preferably, after the upper and lower bolts are removed, the diagonal connecting rod is unloaded, and the support leg is rotated upwards to fold into a folded state.
[0008] Preferably, the support leg is rotated downwards, and then the two diagonal connecting rods are fixedly connected between the two support legs in a cross-shaped manner to form a support state.
[0009] Preferably, mounting holes are provided on the base plate, and ground nails are installed at the mounting holes.
[0010] Preferably, a magnet is fixedly connected to the lower end of the crossbar, and when the support leg rotates upward, the support leg is attracted and fixed to the magnet.
[0011] In the above technical solution, the support leg is the main structure of this utility model; the base plate serves as bottom support; the column serves to support the support leg on one hand and the support rod on the other; the crossbar serves to strengthen the structure between adjacent columns; the diagonal connecting rod serves to strengthen the structure between adjacent support legs, and the diagonal connecting rod needs to be removed when folding is required; the upper and lower bolts are used to fix the diagonal connecting rod to the support leg; the groove serves to accommodate and protect the end of the diagonal connecting rod and the upper and lower bolts; the support rod forms a supporting plane to support the drive mechanism of the drum screen; the opening in the middle of the support rod is used to accommodate the pressure plate; the fixing bolt is used to fix the pressure plate to the top surface of the column; the upper hooks on both sides of the pressure plate are used to press and fix the lower hooks on both sides of the support rod, thereby fixing the support rod.
[0012] This invention provides a foldable support leg. The technical solution incorporates a rotating connection structure between the support leg and the support column, allowing for folding and storage. Furthermore, reinforcing structures are added between adjacent support legs and between adjacent support columns to ensure support stability. In addition, this invention uses a pressure plate with an upper hook to install the support rod, making installation convenient and ensuring a stable and reliable structure. Attached Figure Description
[0013] Figure 1 This is a diagram showing the usage state of this utility model;
[0014] Figure 2 This is a partial structural diagram of the present invention in a supported state;
[0015] Figure 3 This is a structural diagram of the support rod in this utility model;
[0016] Figure 4 This is a cross-sectional view of the support rod and pressure plate structures in this utility model;
[0017] Figure 5 This is a partial structural diagram of the present invention in a folded state;
[0018] In the picture:
[0019] Detailed Implementation
[0020] The specific embodiments of this utility model will be described in detail below. To avoid excessive and unnecessary details, well-known structures or functions will not be described in detail in the following embodiments. The approximate language used in the following embodiments can be used for quantitative descriptions, indicating that a certain degree of variation in quantity is permissible without changing the basic function. Unless otherwise defined, the technical and scientific terms used in the following embodiments have the same meaning as commonly understood by those skilled in the art to which this utility model pertains.
[0021] Example 1
[0022] A type of foldable support leg, such as Figures 1-5 As shown, the system includes a support leg 1, a base plate 2, a support column 3, a crossbar 4, a diagonal connecting rod 5, an upper bolt 6, a lower bolt 7, a groove 8, an opening 9, a fixing bolt 10, a pressure plate 11, an upper hook 12, a support rod 13, and a lower hook 14. The base plate 2 is connected to the bottom end of the support leg 1, and the support leg 1 is rotatably connected to the support column 3. A crossbar 4 is fixedly connected between the two support columns 3. Two diagonal connecting rods 5 are provided, arranged crosswise. The upper end of one diagonal connecting rod 5 is fixedly connected to the left support leg 1 by an upper bolt 6, and the lower end of this diagonal connecting rod 5 is fixedly connected to the right support leg 1 by a lower bolt 7. The upper end of the other diagonal connecting rod 5... The upper bolt 6 is fixedly connected to the right support leg 1. The lower end of the diagonal connecting rod 5 is fixedly connected to the left support leg 1 by the lower bolt 7. A groove 8 is provided on the inner side of the support leg 1. The end of the diagonal connecting rod 5, as well as the upper bolt 6 and the lower bolt 7, are all located in the groove 8. An opening 9 is provided at the lower end of the support rod 13. Lower hooks 14 are provided on both sides of the opening 9 of the support rod 13. The support rod 13 is located at the top of the column 3. The pressure plate 11 is fastened to the column 3 by the fixing bolt 10. Upper hooks 12 are provided on both sides of the pressure plate 11. The pressure plate 11 is located at the opening 9 of the support rod 13. The upper hooks 12 are pressed on the lower hooks 14.
[0023] In the above technical solution, the support leg 1 is the main structure of this utility model; the base plate 2 is used to provide bottom support; the column 3 is used to support the support leg 1 on one hand and the support rod 13 on the other; the crossbar 4 is used to strengthen the structure between adjacent columns 3; the diagonal connecting rod 5 is used to strengthen the structure between adjacent support legs 1, and the diagonal connecting rod 5 needs to be removed when folding is required; the upper bolt 6 and the lower bolt 7 are used to fix the diagonal connecting rod 5 to the support leg 1; the groove 8 is used to accommodate and protect the end of the diagonal connecting rod 5 and the upper bolt 6 and the lower bolt 7; the support rod 13 forms a support plane to support the drive mechanism of the drum screen; the opening 9 in the middle of the support rod 13 is used to accommodate the pressure plate 11; the fixing bolt 10 is used to fix the pressure plate 11 to the top surface of the column 3; the upper hooks 12 on both sides of the pressure plate 11 are used to press and fix the lower hooks 14 on both sides of the support rod 13, thereby fixing the support rod 13.
[0024] Example 2
[0025] A foldable support leg, such as Figures 1-5 As shown, the system includes a support leg 1, a base plate 2, a support column 3, a crossbar 4, a diagonal connecting rod 5, an upper bolt 6, a lower bolt 7, a groove 8, an opening 9, a fixing bolt 10, a pressure plate 11, an upper hook 12, a support rod 13, and a lower hook 14. The base plate 2 is connected to the bottom end of the support leg 1, and the support leg 1 is rotatably connected to the support column 3. A crossbar 4 is fixedly connected between the two support columns 3. Two diagonal connecting rods 5 are provided, arranged crosswise. The upper end of one diagonal connecting rod 5 is fixedly connected to the left support leg 1 by an upper bolt 6, and the lower end of this diagonal connecting rod 5 is fixedly connected to the right support leg 1 by a lower bolt 7. The upper end of the other diagonal connecting rod 5... The diagonal connecting rod 5 is fixedly connected to the right support leg 1 by the upper bolt 6, and the lower end of the diagonal connecting rod 5 is fixedly connected to the left support leg 1 by the lower bolt 7. A groove 8 is provided inside the support leg 1, and the end of the diagonal connecting rod 5, as well as the upper bolt 6 and lower bolt 7, are located within the groove 8. An opening 9 is provided at the lower end of the support rod 13, and lower hooks 14 are provided on both sides of the opening 9. The support rod 13 is located at the top of the support column 3. The pressure plate 11 is fastened to the support column 3 by the fixing bolt 10, and upper hooks 12 are provided on both sides of the pressure plate 11. The pressure plate 11 is located at the opening 9 of the support rod 13, and the upper hooks 12 press against the lower hooks 14. A threaded rod 15 is fixedly connected to the lower end of the support leg 1, and an adjusting bolt 16 is threaded onto the threaded rod 15. The adjusting bolt 16 is connected to the base plate 2. After the upper bolt 6 and lower bolt 7 are removed, the diagonal connecting rod 5 is removed, and the support leg 1 is rotated upwards to a folded state. Rotate the support leg 1 downwards, and then fix the two diagonal connecting rods 5 between the two support legs 1 in a cross-shaped manner, thus providing support. Mounting holes are provided on the base plate 2, and ground stakes are installed at these holes. A magnet is fixedly connected to the lower end of the crossbar 4; when the support leg 1 rotates upwards, the support leg 1 is attracted and fixed to the magnet.
[0026] The embodiments of this utility model have been described in detail above, but the content described is only a preferred embodiment of this utility model and is not intended to limit this utility model. Any modifications, equivalent substitutions, and improvements made within the scope of this utility model application should be included within the protection scope of this utility model.
Claims
1. A foldable support leg, characterized in that... The system includes a support leg (1), a base plate (2), a support column (3), a crossbar (4), a diagonal connecting rod (5), an upper bolt (6), a lower bolt (7), a groove (8), an opening (9), a fixing bolt (10), a pressure plate (11), an upper hook (12), a support rod (13), and a lower hook (14). The base plate (2) is connected to the bottom end of the support leg (1), and the support leg (1) is rotatably connected to the support column (3). A crossbar (4) is fixedly connected between the two support columns (3). There are two diagonal connecting rods (5), which are arranged in a cross pattern. The upper end of one diagonal connecting rod (5) is fixedly connected to the left support leg (1) by an upper bolt (6), and the lower end of the diagonal connecting rod (5) is fixedly connected to the right support leg (1) by a lower bolt (7). The upper end of the other diagonal connecting rod (5) is fixedly connected to the right support leg (1). The upper bolt (6) is fixedly connected to the right support leg (1). The lower end of the diagonal connecting rod (5) is fixedly connected to the left support leg (1) by the lower bolt (7). A groove (8) is provided on the inner side of the support leg (1). The end of the diagonal connecting rod (5) and the upper bolt (6) and lower bolt (7) are all located in the groove (8). An opening (9) is provided at the lower end of the support rod (13). A lower hook (14) is provided on both sides of the opening (9) of the support rod (13). The support rod (13) is located at the top of the support column (3). The pressure plate (11) is fastened to the support column (3) by the fixing bolt (10). An upper hook (12) is provided on both sides of the pressure plate (11). The pressure plate (11) is located at the opening (9) of the support rod (13). The upper hook (12) is pressed on the lower hook (14).
2. The foldable support leg according to claim 1, characterized in that, A threaded rod (15) is fixedly connected to the lower end of the support leg (1), and an adjusting bolt (16) is threaded onto the threaded rod (15). The adjusting bolt (16) is connected to the base plate (2).
3. A foldable support leg according to claim 1, characterized in that, After the upper bolt (6) and lower bolt (7) are removed, the diagonal connecting rod (5) is removed, and the support leg (1) is rotated upwards to fold.
4. A foldable support leg according to claim 3, characterized in that, Rotate the support leg (1) downwards, and then fix the two diagonal connecting rods (5) between the two support legs (1) in a cross state to form a support state.
5. A foldable support leg according to claim 1, characterized in that, Mounting holes are provided on the base plate (2), and ground nails are installed at the mounting holes.
6. A foldable support leg according to claim 1, characterized in that, A magnet is fixedly connected to the lower end of the crossbar (4). When the support leg (1) rotates upward, the support leg (1) is attracted and fixed to the magnet.