Lifting platform

Abstract

The present invention discloses a lifting platform, including a lifting platform main frame, a lubricating mechanism and a replacement mechanism, the lubricating mechanism including a fixing rod, the fixing rod being located at the top end inside the lifting platform main frame, oil filling boxes being provided at both ends of one side surface of the fixing rod, lifting chains being provided on both sides of the internal surface of the lifting platform main frame, a through hole being provided on the top surface of the oil filling box, and the lifting chain being located inside the hole, a first spring being provided on both sides of the inner wall surface of the oil filling box, a pressure plate being provided on one side surface of the first spring, and a sponge being provided on one side surface of the pressure plate, compared with the prior art, the present invention has the following beneficial effects: by designing the pressure plate, the pressure plate will be pushed inward by the first spring, and the sponge will wrap the lifting chain, thereby ensuring sufficient lubrication, and by designing the oil filling hole, oil can be continuously filled into the oil filling box after the lubricating oil is consumed.

Description

Technical Field

[0001] The present invention belongs to the technical field of lifting platforms, and in particular relates to lifting platforms. Background Art

[0002] A lifting platform is a tool that can lift and lower items, used for transportation or installation. A simple and efficient lifting mechanism is ideal for both practicality and cost-effectiveness.

[0003] The existing lifting platform needs to use a transmission chain for transmission. After long-term use, the role of lubricating oil is very important to lubricate and reduce friction. However, due to frequent use, it is easy to cause the problem of lubricating oil being consumed too quickly. For this reason, we propose a lifting platform. Summary of the Invention

[0004] The purpose of the present invention is to provide a lifting platform to solve the problem proposed in the above background technology that the existing lifting platform needs to use a transmission chain for transmission. After long-term use, the role of lubricating oil is very important, which plays a role in lubrication and reducing friction. However, due to frequent use, the lubricating oil is easily consumed too quickly.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a lifting platform, comprising a lifting platform main frame, a lubrication mechanism and a replacement mechanism, the lubrication mechanism comprising a fixed rod, the fixed rod being located at the top end inside the lifting platform main frame, oil filling boxes being provided at both ends of one side surface of the fixed rod, lifting chains being provided on both sides of the internal surface of the lifting platform main frame, a through hole being provided on the top surface of the oil filling box, and the lifting chain being located inside the hole, first springs being provided on both sides of the inner wall surface of the oil filling box, a pressure plate being provided on one side surface of the first spring, and a sponge being provided on one side surface of the pressure plate.

[0006] Preferably, the replacement mechanism includes a first limit block, and the first limit blocks are located on both side surfaces of the oil filling box. Both side surfaces of the oil filling box are provided with a first groove, one end of the first limit block is located inside the first groove, a second spring is provided on the surface of one end of the first limit block, a second groove is provided at the bottom end of the first groove, and a second limit block is provided at the bottom end of the first limit block.

[0007] Preferably, oil filling holes are provided on both sides of the top surface of the oil filling box, and the sponge is located on the bottom surface of the oil filling hole.

[0008] Preferably, the second spring is located inside the first groove, and there are three second springs.

[0009] Preferably, the first limiting block is arranged in a T-shape, a second clamping block is arranged on the bottom surface of the first limiting block, and one side of the bottom surface of the second clamping block is an inclined surface.

[0010] Preferably, a first clamping block is provided on the top of one side surface of the second limiting block, one side surface of the first clamping block is set as an inclined surface, and the second clamping block is located on the bottom end surface of the first clamping block.

[0011] Preferably, there are two sponges, and the sponges are movably connected to the oil filling box and the pressure plate.

[0012] Preferably, a lifting platform is provided at the bottom end of the inner part of the lifting platform main frame, and the lifting platform is movably connected to the lifting platform main frame through a lifting chain.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] (1) By designing a pressure plate, the pressure plate will be pushed inward by the first spring, and the sponge will wrap the lifting chain to ensure sufficient lubrication. By designing an oil filling hole, after the lubricating oil is consumed, oil can continue to be filled into the oil filling box.

[0015] (2) By designing a replacement mechanism, it is avoided that the sponge cannot fully lubricate the lifting chain due to friction. By designing the first groove to abut against the first limit block, it is ensured that the second block can always be on the bottom surface of the first block without being subjected to external force. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 This is a schematic diagram of the internal side structure of the lifting platform of the present invention;

[0018] Figure 3 Schematic diagram of the cross-sectional structure of the lubrication mechanism of the present invention;

[0019] Figure 4 It is a schematic structural diagram of the replacement mechanism of the present invention;

[0020] Figure 5 For the present invention Figure 4 Schematic diagram of the enlarged structure at A in the middle;

[0021] In the figure: 1. Lifting platform main frame; 2. Lifting platform; 3. Fixed rod; 4. Lifting chain; 5. Oil filling box; 6. Hole; 7. Oil filling hole; 8. First spring; 9. Pressure plate; 10. Sponge; 11. First groove; 12. First limit block; 13. Second limit block; 14. First clamping block; 15. Second groove; 16. Second clamping block; 17. Second spring. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments 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.

[0023] See also Figure 1-Figure 5 The present invention provides a technical solution for a lifting platform: a lifting platform, comprising a lifting platform main frame 1, a lubrication mechanism and a replacement mechanism, the lubrication mechanism comprising a fixed rod 3, the fixed rod 3 being located at the top end inside the lifting platform main frame 1, and oil filling boxes 5 being provided at both ends of one side surface of the fixed rod 3, lifting chains 4 being provided on both sides of the internal surface of the lifting platform main frame 1, a through hole 6 being provided on the top surface of the oil filling box 5, and the lifting chain 4 being located inside the hole 6, a first spring 8 being provided on both sides of the inner wall surface of the oil filling box 5, a pressure plate 9 being provided on one side surface of the first spring 8, and a sponge 10 being provided on one side surface of the pressure plate 9.

[0024] In order to facilitate the replacement of the sponge 10, in this embodiment, preferably, the replacement mechanism includes a first limit block 12, and the first limit blocks 12 are located on both side surfaces of the oil filling box 5. Both side surfaces of the oil filling box 5 are provided with a first groove 11, one end of the first limit block 12 is located inside the first groove 11, a second spring 17 is provided on one end surface of the first limit block 12, a second groove 15 is provided at the bottom end of the first groove 11, and a second limit block 13 is provided at the bottom end of the first limit block 12.

[0025] In order to facilitate the injection of lubricating oil, in this embodiment, preferably, oil filling holes 7 are opened on both sides of the top surface of the oil filling box 5, and the sponge 10 is located on the bottom surface of the oil filling hole 7.

[0026] In order to facilitate supporting the first limiting block 12 , in this embodiment, preferably, the second spring 17 is located inside the first groove 11 , and there are three second springs 17 .

[0027] In order to facilitate the installation of the second clamping block 16, in this embodiment, preferably, the first limiting block 12 is set to be T-shaped, and the second clamping block 16 is provided on the bottom surface of the first limiting block 12, and one side of the bottom surface of the second clamping block 16 is a slope.

[0028] In order to facilitate the installation of the first block 14, in this embodiment, preferably, a first block 14 is provided on the top of one side surface of the second limit block 13, one side surface of the first block 14 is set as an inclined surface, and the second block 16 is located on the bottom surface of the first block 14.

[0029] In order to facilitate full lubrication of the lifting chain 4 , in this embodiment, preferably, two sponges 10 are provided, and the sponges 10 are movably connected to the oil filling box 5 and the pressure plate 9 .

[0030] In order to facilitate the use of the device, in this embodiment, preferably, a lifting platform 2 is provided at the bottom end of the lifting platform main frame 1, and the lifting platform 2 is movably connected to the lifting platform main frame 1 through a lifting chain 4.

[0031] The working principle and use process of the present invention: After the device is installed, when in use, the lifting chain 4 will move up and down, and lubricating oil will be injected into the sponge 10 from the oil filling hole 7 on the top surface of the oil filling box 5. Under the action of the sponge 10, the sponge 10 will push the pressure plate 9 to one side, and the two sides of the lifting chain 4 will be tightly fitted by the sponge 10, and the lubrication operation will be performed during movement. By designing the pressure plate 9, the pressure plate 9 will be pushed inward by the first spring 8, and the sponge 10 will wrap the lifting chain 4, ensuring that it can be fully lubricated. By designing the oil filling hole 7, the lubricating oil can continue to be poured into the sponge 10 after it is consumed. The oil filling box 5 is filled with oil. After long-term use, the sponge 10 needs to be replaced due to friction. You only need to press the first limit block 12 inward, the first limit block 12 moves inward, the first groove 11 shrinks, the second block 16 leaves the bottom surface of the first block 14, open the oil filling box 5, and replace the sponge 10. By designing a replacement mechanism, it is avoided that the sponge 10 cannot fully lubricate the lifting chain 4 due to friction. By designing the first groove 11 to press against the first limit block 12, it is ensured that the second block 16 can always be on the bottom surface of the first block 14 without being subjected to external force.

[0032] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A lifting platform, comprising a lifting platform main frame (1), a lubrication mechanism and a replacement mechanism, characterized in that: The lubricating mechanism includes a fixed rod (3), the fixed rod (3) is located at the top end of the lifting platform main frame (1), and oil filling boxes (5) are provided at both ends of the surface of one side of the fixed rod (3). Lifting chains (4) are provided on both sides of the surface of the lifting platform main frame (1). A lifting platform (2) is provided at the bottom end of the lifting platform main frame (1), and the lifting platform (2) is movably connected to the lifting platform main frame (1) through the lifting chain (4). A through hole (6) is provided on the top surface of the oil filling box (5), and the The lifting chain (4) is located inside the hole (6), and first springs (8) are provided on both sides of the inner wall surface of the oil filling box (5), a pressure plate (9) is provided on one side surface of the first spring (8), and a sponge (10) is provided on one side surface of the pressure plate (9). Oil filling holes (7) are provided on both sides of the top surface of the oil filling box (5), and the sponge (10) is located on the bottom surface of the oil filling hole (7). There are two sponges (10), and the sponge (10) is movably connected to the oil filling box (5) and the pressure plate (9); The replacement mechanism comprises a first limit block (12), the first limit blocks (12) are located on both side surfaces of the oil filling box (5), the first grooves (11) are opened on both side surfaces of the oil filling box (5), one end of the first limit block (12) is located inside the first groove (11), a second spring (17) is provided on one end surface of the first limit block (12), the second spring (17) is located inside the first groove (11), a second groove (15) is opened at the bottom end of the first groove (11), a second limit block (13) is provided at the bottom end of the first limit block (12), the first limit block (12) is set in a T-shape, a second clamping block (16) is provided on the bottom surface of the first limit block (12), a first clamping block (14) is provided on the top of one side surface of the second limit block (13), and the second clamping block (16) is located on the bottom surface of the first clamping block (14), one side surface of the first clamping block (14) is set as an inclined surface, and one side surface of the bottom surface of the second clamping block (16) is an inclined surface.

2. The lifting platform according to claim 1, characterized in that: The number of the second springs (17) is three.

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