Lifting platform with high bearing capacity

Abstract

The utility model relates to a lifting platform with high bearing capacity, which comprises a movable base, a driving structure is mounted in the movable base, a lifting structure is mounted at the upper end of the movable base, the driving structure extends to the lifting structure and is in contact with the lifting structure, and the lifting structure comprises a main lifting mounting body mounted on the upper end face of the movable base. An arc-shaped concave face is formed in the surface of a main lifting installation body, an upper end plate is installed at the upper end of the main lifting installation body, four lifting assemblies of the same structure are installed on the main lifting installation body and located on the arc-shaped concave face of the main lifting installation body, and any lifting assembly comprises a threaded shaft vertically penetrating through the arc-shaped concave face. One end of the threaded shaft is movably installed at the lower end of the upper end plate, the other end of the threaded shaft is connected with the driving structure, and a supporting rod is arranged on the surface of the threaded shaft. The lifting platform solves the problems that an existing lifting platform cannot achieve effective high bearing capacity and is high in cost.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting platforms, in particular to a lifting platform with high load-bearing capacity. Background Art

[0002] A lifting platform is a type of mechanical lifting equipment, which is generally used in construction, home decoration, cargo handling, and road administration. Generally, lifting platforms are driven by hydraulic cylinders to lift and lower. However, today's lifting platforms have certain technical problems and cannot withstand heavier loads, making it impossible to load more cargo on the platform and unable to transport the cargo quickly, causing certain inconveniences.

[0003] In order to improve the carrying capacity of the lifting platform, Chinese patent CN219297077U, a high-load hydraulic lifting platform points out that by setting a bottom plate, a lifting plate and a containing frame, the problem of the limited carrying capacity of the hydraulic lifting platform is solved. After determining the materials to be transported and the corresponding material positions, the materials to be lifted are placed on the top of the lifting plate respectively, and the materials to be transported directly are placed in the frame, so that when in use, the materials can be supported on the bottom plate and the lifting plate, and the cross plate is used in conjunction with the reinforcing rod during operation to increase the strength of the lifting plate and reduce the deformation of the lifting plate when carrying materials. The hydraulic lifting platform has a better carrying capacity when in use. The above patent refers to the patent. Figure 1 and Figure 2 It can be seen that the improvement of carrying capacity is mainly achieved through four groups of hydraulic lifts. Although adding hydraulic lifts can indeed increase the carrying capacity, the cost of this method is too high, and this method still has certain technical problems. The middle position of the lifting plate has no support, which makes it impossible to ensure the effective support of the lifting plate, thereby leaving a safety hazard for the lifting plate.

[0004] Therefore, in order to save costs and achieve a high load-bearing capacity for the lifting platform, and to ensure the uniformity of gravity load, so that every part of the lifting platform can achieve effective load-bearing capacity, a lifting platform with a high load-bearing capacity is hereby proposed. Utility Model Content

[0005] In view of the deficiencies in the prior art, the present invention provides a lifting platform with high load-bearing capacity, which solves the problem that the existing lifting platforms cannot achieve effective high load-bearing capacity and have high costs.

[0006] Base comprises support, castor, and frame upper is provided with guide rail, and support and conveyer frames movable end contact site are provided with recoil spring, and castor is arranged on the pin of base bottom four, to carry mobile handler location.

[0007] Through the above technical solution, further, the driving structure includes a mounting plate installed in the mobile base, a servo motor is installed on the lower end surface of the raised end of the mounting plate, a threaded shaft is connected to the output end of the servo motor, and its lifting column is sleeved on the surface of the threaded shaft, and its lifting column and the threaded shaft form a threaded connection, and bearings are symmetrically installed on the end surface of the mounting plate, and the inner ring of the bearing is fixedly connected to the threaded shaft, and the main transmission teeth are installed on the surface of the threaded shaft located on the output end of the servo motor, and the transmission auxiliary teeth are installed on the surfaces of the remaining threaded shafts, and the main transmission teeth and the transmission auxiliary teeth form a gear transmission.

[0008] Furthermore, an opening is provided at the upper end of the main lifting installation body, a buffer column is installed in the opening, a lifting spring is sleeved on the surface of the buffer column, and a buffer plate is installed at the upper end of the buffer column.

[0009] As a preferred technical solution, anti-rotation protrusions are symmetrically installed on the surface of the jacking column, and an opening is opened on the inner side surface of the installation hole, and the anti-rotation protrusion moves in the opening.

[0010] Furthermore, a ring sleeve is installed at the connection between the threaded shaft and the lower end of the upper end plate.

[0011] As a preferred technical solution, the threaded shaft is tilted upward and connected to the lower end surface of the lifting platform, and the threaded shaft and the support rod form a threaded connection.

[0012] Compared with the prior art, the present invention provides a lifting platform with high load-bearing capacity, which has the following beneficial effects:

[0013] 1. This lifting platform mainly drives the transmission teeth to rotate through the servo motor, and drives the threaded shaft to rotate through the gear cooperation with the transmission auxiliary teeth, and then drives the support rod to drive the lifting platform to rise and fall, wherein the support rod is supported at the four corners of the lower end of the lifting platform. Secondly, when the threaded shaft rotates, it drives the jacking column to rise upward, thereby effectively supporting the middle of the lifting platform during the lifting process. Through the above-mentioned structural cooperation and combined with the accompanying drawings, this lifting platform is compared with the Chinese patent CN219297077U, a high-load-bearing hydraulic lifting platform, with low production cost, and can provide better support for the lifting table, thereby improving the load-bearing capacity of the table. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a lifting platform with high load-bearing capacity in the utility model;

[0015] Figure 2 This is a schematic diagram of the top plate structure of a lifting platform with high load-bearing capacity in the utility model;

[0016] Figure 3 This is a schematic structural diagram of a lifting platform buffer plate with high load-bearing capacity according to the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the main lifting installation body of a lifting platform with high load-bearing capacity in the utility model;

[0018] Figure 5 This is a schematic diagram of the bearing structure of a lifting platform with high load-bearing capacity in the utility model;

[0019] Figure 6 This is a schematic diagram of the transmission auxiliary gear structure of a lifting platform with high load-bearing capacity in the utility model;

[0020] Figure 7 This is a schematic diagram of the structure of a lifting platform mounting plate with high load-bearing capacity according to the utility model;

[0021] Figure 8 This is a schematic diagram of the structure of a mobile base of a lifting platform with high load-bearing capacity in the utility model;

[0022] Figure 9 This is a schematic cross-sectional view of the main lifting installation structure of a lifting platform with high load-bearing capacity according to the present invention;

[0023] Figure 10 This utility model is a lifting platform with high load-bearing capacity Figure 8 A local enlarged structural diagram of point A;

[0024] Figure 11This utility model is a lifting platform with high load-bearing capacity Figure 8 A schematic diagram of the partially enlarged structure at point B;

[0025] Figure 12 This utility model is a lifting platform with high load-bearing capacity Figure 4 Schematic diagram of the local enlarged structure at point C.

[0026] In the figure: 1. Mobile base; 2. Main lifting installation body; 3. Upper end plate; 4. Lifting column; 5. Anti-rotation protrusion; 6. Buffer column; 7. Lifting spring; 8. Buffer plate; 9. Mounting plate; 10. Servo motor; 11. Main transmission gear; 12. Threaded shaft; 13. Transmission auxiliary gear; 14. Bearing; 15. Support rod; 16. Upper top plate; 17. Lifting platform; 18. Mounting hole. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] Example

[0029] See also Figure 1-12 The utility model provides the following technical solutions: a lifting platform with high load-bearing capacity, comprising a mobile base 1, a driving structure installed in the mobile base 1, a lifting structure installed on the upper end of the mobile base 1, the driving structure extending to the lifting structure and in contact with the lifting structure, the lifting structure comprising a main lifting installation body 2 installed on the upper end surface of the mobile base 1, the surface of the main lifting installation body 2 is provided with an arc-shaped concave surface, and an upper end plate 3 is installed on the upper end of the main lifting installation body 2, four groups of lifting components with the same structure are installed on the main lifting installation body 2, and the four groups of lifting components are located at the main lifting installation body 2. On the arc-shaped concave surface of the mounting body 2, any group of lifting components includes a threaded shaft 12 that vertically passes through the arc-shaped concave surface, and one end of the threaded shaft 12 is movably mounted on the lower end of the upper end plate 3, and the other end of the threaded shaft 12 is connected to the driving structure. A support rod 15 is provided on the surface of the threaded shaft 12, and an upper end plate 3 is also provided on the surface of the main lifting mounting body 2. A lifting column 4 is movably mounted in the upper end plate 3, and the lifting column 4 is connected to the driving structure. An upper top plate 16 is installed on the upper end of the upper top plate 16, and a lifting platform 17 is installed on the upper end of the upper top plate 16. The upper end of the support rod 15 is installed on the lower end surface of the lifting platform 17.

[0030] In this embodiment, the specific working principle is as follows: How to achieve high load-bearing capacity when the lifting platform is lifting? Specifically, the driving structure drives the lifting structure to lift, wherein the driving structure drives the threaded shaft 12 to rotate. For details, please refer to FIG. Figure 6 It can be seen that there are five threaded shafts 12 in total, one group is directly connected to the driving structure, and this group of threaded shafts 12 drives the jacking column 4 to move up and down, and the remaining four threaded shafts 12 drive the support rod 15 to move up and down. It should be noted here that the connection ends of the support rod 15 and the threaded shaft 12 are threadedly connected. The four groups of threaded shafts 12 can synchronously drive the support rod 15 to move up and down, and then drive the lifting platform 17 to move up and down, see Figure 1 and Figure 2 It can be seen that the lifting platform has a greatly improved load-bearing capacity through the dual support of the jacking column 14 and the support rod 15, thereby solving the problem that the existing lifting platform cannot achieve effective high load-bearing capacity and has high cost.

[0031] According to the above, how the driving structure drives the threaded shaft 12 to rotate can be specifically referred to. Figure 5 、 Figure 6 、 Figure 7 It can be seen that the driving structure includes a mounting plate 9 installed in the mobile base 1, and a servo motor 10 is installed on the lower end surface of the raised end of the mounting plate 9. The output end of the servo motor 10 is connected to a threaded shaft 12, and its lifting column 4 is sleeved on the surface of the threaded shaft 12. Its lifting column 4 and the threaded shaft 12 form a threaded connection. On the upper end surface of the mounting plate 9, bearings 14 are symmetrically installed, and the inner ring of the bearing 14 is fixedly connected to the threaded shaft 12. The surface of the threaded shaft 12 located on the output end of the servo motor 10 is installed with a main transmission tooth 11, and the surfaces of the remaining threaded shafts 12 are installed with transmission auxiliary teeth 13. The main transmission teeth 11 and the transmission auxiliary teeth 13 form a gear transmission. The servo motor 10 drives the threaded shaft 12 to rotate, thereby making its lifting column 4 rise and fall. Through the gear transmission relationship formed by the main transmission teeth 11 and the transmission auxiliary teeth 13, the remaining four groups of threaded shafts 12 rotate, thereby realizing the lifting and lowering of the support rod 15.

[0032] According to the above, in order to cushion the lifting platform 17 when it is lowered to prevent vibration, please refer to Figure 2 、 Figure 9 、 Figure 12 It can be seen that an opening is also provided at the upper end of the main lifting mounting body 2, a buffer column 6 is installed in the opening, a lifting spring 7 is sleeved on the surface of the buffer column 6, and a buffer plate 8 is installed at the upper end of the buffer column 6. When the lifting platform 17 descends, it contacts the buffer plate 8, thereby achieving buffering through the elastic force of the lifting spring 7, thereby preventing the lifting platform 17 from vibrating.

[0033] In order to prevent the jacking column 4 from rotating along with the rotation of the threaded shaft 12, please refer to Figure 8 、 Figure 10 、 Figure 12 It can be seen that the anti-rotation protrusions 5 are symmetrically installed on the surface of the jacking column 4, and an opening is provided on the inner side of the mounting hole 18. The anti-rotation protrusions 5 move in the opening. Through the action of the anti-rotation protrusions 5, the jacking column 4 can be effectively prevented from rotating with the rotation of the threaded shaft 12, so that the jacking column 4 can be lifted and lowered through the threaded cooperation relationship with the threaded shaft 12.

[0034] In order to prevent the threaded shaft 12 from generating friction at the connection with the upper end plate 3, a ring sleeve is installed at the connection between the threaded shaft 12 and the lower end of the upper end plate 3, which can effectively prevent the friction generated by the connection between the threaded shaft 12 and the upper end plate 3.

[0035] See Figure 1 It can be seen that the threaded shaft 12 is tilted upward and connected to the lower end surface of the lifting platform 17, and the threaded shaft 12 and the support rod 15 form a threaded connection.

[0036] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A lifting platform with high load-bearing capacity, comprising a movable base (1), characterized in that: A driving structure is installed in the mobile base (1), and a lifting structure is installed on the upper end of the mobile base (1). The driving structure extends to the lifting structure and contacts the lifting structure. The lifting structure includes a main lifting installation body (2) installed on the upper end surface of the mobile base (1), the surface of the main lifting installation body (2) is provided with an arc-shaped concave surface, and an upper end plate (3) is installed on the upper end of the main lifting installation body (2). Four groups of lifting components with the same structure are installed on the main lifting installation body (2), and the four groups of lifting components are located on the arc-shaped concave surface of the main lifting installation body (2). Any group of lifting components includes a vertically extending arc-shaped concave surface. The threaded shaft (12) is provided on the surface of the main lifting installation body (2), and one end of the threaded shaft (12) is movably mounted on the lower end of the upper end plate (3), and the other end of the threaded shaft (12) is connected to the driving structure. A support rod (15) is provided on the surface of the threaded shaft (12). The surface of the main lifting installation body (2) is also provided with an upper end plate (3). A lifting column (4) is movably mounted in the upper end plate (3), and the lifting column (4) is connected to the driving structure. An upper top plate (16) is mounted on the upper end of the upper top plate (16). A lifting platform (17) is mounted on the upper end of the upper top plate (16). The upper end of the support rod (15) is mounted on the lower end surface of the lifting platform (17).

2. A lifting platform with high load-bearing capacity according to claim 1, characterized in that: The driving structure comprises a mounting plate (9) mounted in a mobile base (1), a servo motor (10) being mounted on the lower end surface of the raised end of the mounting plate (9), a threaded shaft (12) being connected to the output end of the servo motor (10), a lifting column (4) being sleeved on the surface of the threaded shaft (12), the lifting column (4) and the threaded shaft (12) forming a threaded connection, bearings (14) being symmetrically mounted on the upper end surface of the mounting plate (9), the inner ring of the bearing (14) being fixedly connected to the threaded shaft (12), a main transmission tooth (11) being mounted on the surface of the threaded shaft (12) located at the output end of the servo motor (10), and transmission auxiliary teeth (13) being mounted on the surfaces of the remaining threaded shafts (12), the main transmission tooth (11) and the transmission auxiliary teeth (13) forming a gear transmission.

3. The lifting platform with high load-bearing capacity according to claim 1, characterized in that: The upper end of the main lifting installation body (2) is also provided with an opening, a buffer column (6) is installed in the opening, a lifting spring (7) is sleeved on the surface of the buffer column (6), and a buffer plate (8) is installed on the upper end of the buffer column (6).

4. The lifting platform with high load-bearing capacity according to claim 1, characterized in that: The surface of the jacking column (4) is symmetrically mounted with anti-rotation protrusions (5), and an opening is provided on the inner side surface of the mounting hole (18), and the anti-rotation protrusion (5) moves in the opening.

5. The lifting platform with high load-bearing capacity according to claim 1, characterized in that: A ring sleeve is installed at the connection between the threaded shaft (12) and the lower end of the upper end plate (3).

6. The lifting platform with high load-bearing capacity according to claim 1, characterized in that: The threaded shaft (12) is tilted upward and connected to the lower end surface of the lifting platform (17), and the threaded shaft (12) and the support rod (15) form a threaded connection.

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