Chain type lifting platform

Abstract

The utility model provides a chain type lifting platform which comprises a frame body, the frame body is of a frame structure, and installation vertical beams are arranged on the two opposite sides of the frame body. The chain type lifting device is arranged in the frame body, a lifting frame which moves up and down in the frame body is arranged in the chain type lifting device, and the two sides of the lifting frame are connected with the installation vertical beams in a sliding mode. Compared with the prior art, rigid and stable support is provided through the frame body of a frame type structure, the chain type lifting device is arranged in the frame body, the lifting frame which moves up and down in the frame body is arranged in the chain type lifting device, and the two sides of the lifting frame are in sliding connection with the mounting vertical beams in the frame body, so that the lifting frame is stable and smooth in the lifting process; and the load can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting equipment, in particular to a chain-type lifting platform. Background Art

[0002] A lifting platform is a multi-functional lifting and loading / unloading mechanical equipment, which can generally be divided into: fixed lifting platforms, mobile lifting platforms, guide rail type lifting platforms, articulated boom type lifting platforms, etc.

[0003] Most traditional lifting platforms are used in industries, construction, transportation, aerial work, etc. They are generally large in size, complex and heavy in structure, and mostly driven by a hydraulic lifting system. Since the hydraulic lifting system requires hydraulic cylinders and liquid pumps, this kind of lifting platform mechanism is only suitable for industrial use. Using it indoors will cause noise and pollution, so it is not suitable for general household life or mall sales; in addition, the application scenarios of traditional lifting platform mechanisms are greatly limited.

[0004] The existing scissor-type lifting platform has poor stability and small load capacity during the lifting process. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a chain-type lifting platform, aiming to solve the problems of limited application scenarios, poor stability and small load capacity during the lifting process in the prior art.

[0006] To achieve the above purpose, the utility model provides a chain-type lifting platform, including: a frame body, the frame body is a frame structure, and installation vertical beams are arranged on two opposite sides of the frame body; a chain-type lifting device, arranged inside the frame body, and a lifting frame that moves up and down inside the frame body is arranged in the chain-type lifting device, and both sides of the lifting frame are slidably connected to the installation vertical beams; the chain-type lifting device includes the lifting frame, two groups of transmission sprocket sets, two transmission chains, a synchronous transmission shaft and a driving motor. Lifting plates are vertically arranged on both sides of the lifting frame. The two groups of transmission sprocket sets are respectively symmetrically arranged on the lifting installation plates on both sides of the lifting frame and on both sides of the frame body. The two transmission chains are symmetrically wound around the two groups of transmission sprocket sets. The driving motor is connected to the top of the frame body, a speed reducer is connected to the driving shaft end of the driving motor, the synchronous transmission shaft is in transmission connection with the speed reducer, and both ends of the synchronous transmission shaft are respectively connected to the sprockets in the two groups of transmission sprocket sets arranged on the frame body.

[0007] Further, a fixed plate is provided on the frame body on one side of the lifting plate. The transmission sprocket set includes a first sprocket, a second sprocket, a third sprocket, a fourth sprocket, a fifth sprocket, and a sixth sprocket. The first sprocket and the second sprocket are symmetrically arranged vertically with the fifth sprocket and the sixth sprocket on the outside of the lifting mounting plate. The third sprocket is arranged on the inside of the fixed plate and is located obliquely below the second sprocket. The third sprocket is arranged vertically opposite to the second sprocket and is connected to the synchronous transmission shaft. The transmission chain is sequentially wound around the first sprocket, the second sprocket, the third sprocket, the fourth sprocket, the fifth sprocket, and the sixth sprocket, and the two ends are vertically opposite and fixed to the fixed plate and the frame body respectively.

[0008] Further, a linear guide rail is provided on the inner side of the mounting vertical beam, and a slider is provided on the outer side of the lifting plate and is connected in cooperation with the linear guide rail.

[0009] Further, a limiting cross bar is provided at the top end of the linear guide rail, and the two ends of the limiting cross bar are vertically connected to the mounting vertical beams on both sides of the frame body.

[0010] Further, one side of the frame body is the inlet, and a reinforced cross beam structure is provided on the frame body on the opposite side of the inlet.

[0011] Further, pulleys are provided at the bottom of the frame body.

[0012] A chain type lifting platform provided by the present utility model, compared with the prior art, provides a rigid and stable support through a frame type structure of the frame body. A chain type lifting device is provided inside the frame body. The chain type lifting device is provided with a lifting frame that moves up and down inside the frame body, and both sides of the lifting frame are slidably connected to the mounting vertical beams in the frame body, so that the lifting frame is stable and smooth during the lifting process and can effectively improve the load capacity. Description of the Drawings

[0013] Figure 1 One of the structural schematic diagrams of a chain type lifting platform of the present utility model;

[0014] Figure 2 Two of the structural schematic diagrams of a chain type lifting platform of the present utility model;

[0015] Figure 3 Side view structural schematic diagram of a chain type lifting platform of the present utility model.

[0016] Description of the Reference Numerals

[0017] 10 - Frame body; 11 - Mounting vertical beam; 111 - Linear guide rail; 12 - Fixed plate; 13 - Limiting cross bar; 14 - Reinforced cross beam structure;

[0018] 20 - Lift; 201 - Lifting mounting plate; 202 - Slide block; 21 - First sprocket, 22 - Second sprocket, 23 - Third sprocket; 24 - Fourth sprocket; 25 - Fifth sprocket; 26 - Sixth sprocket; 27 - Transmission chain; 28 - Synchronous transmission shaft; 29 - Driving motor; 291 - Reducer. Detailed implementation manner

[0019] The following describes the present utility model in detail with reference to specific embodiments.

[0020] In the present utility model, when an orientation word appears, for the orientation word, it is for facilitating the description of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present utility model.

[0021] In the present utility model, unless otherwise clearly specified and defined, when terms such as "arranged on", "connected", "linked" appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can also be a mechanical connection; it can be directly connected, or connected through an intermediate medium, and can be internally connected and communicated between two elements. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0022] As Figures 1 to 3 shown, a chain - type lifting platform includes a frame body 10 and a chain - type lifting device. The frame body 10 is a frame structure, specifically a hollow cubic frame structure inside. Installation vertical beams 11 are provided on two opposite sides of the frame body 10, which can be used as a strengthening structure of the frame body 10. In addition, one side of the frame body 10 is an inlet for people or goods to enter. A strengthening cross - beam structure 14 is provided on the frame body 10 on the opposite side of the inlet, which is used to improve the structural strength and stability of the frame body 10.

[0023] The chain - type lifting device is arranged inside the frame body 10. In the chain - type lifting device, there is a lift 20 that moves up and down inside the frame body 10. The lift 20 is used as a lifting platform, and a cover plate can be laid on the lift 20. The two sides of the lift 20 are slidably connected to the installation vertical beams 11, so that the lift 20 is stable and does not shake during the up - and - down movement, and the lifting process is smooth.

[0024] In this embodiment, the chain - type lifting device includes a lift 20, two sets of transmission sprocket groups, two transmission chains 27, a synchronous transmission shaft 28, and a driving motor 29.

[0025] Lifting plates are vertically provided on both sides of the lifting frame 20, and two sets of transmission sprocket groups are symmetrically arranged on the lifting mounting plates 201 on both sides of the lifting frame 20 and on both sides of the frame body 10, respectively. Two transmission chains 27 are symmetrically wound around the two sets of transmission sprocket groups, and a driving motor 29 is connected to the top of the frame body 10. A reducer 291 is connected to the driving shaft end of the driving motor 29, and a synchronous transmission shaft 28 is transmission-connected to the reducer 291. Both ends of the synchronous transmission shaft 28 are respectively connected to the sprockets in the two sets of transmission sprocket groups arranged on the frame body 10.

[0026] Specifically, a fixed plate 12 is provided on one side of the lifting plate located on the frame 10, and the transmission sprocket group includes a first sprocket 21, a second sprocket 22, a third sprocket 23, a fourth sprocket 24, a fifth sprocket 25 and a sixth sprocket 26. The first sprocket 21 and the second sprocket 22 and the fifth sprocket 25 and the sixth sprocket 26 are symmetrically arranged on the outer side of the lifting mounting plate 201, and the third sprocket 23 is arranged on the inner side of the fixed plate 12 and is located obliquely below the second sprocket 22. The third sprocket 23 and the second sprocket 22 are arranged opposite to each other up and down and are connected to the synchronous transmission shaft 28. The transmission chain 27 is sequentially wound around the first sprocket 21, the second sprocket 22, the third sprocket 23, the fourth sprocket 24, the fifth sprocket 25 and the sixth sprocket 26, and the two ends are vertically opposite to each other and are respectively fixed on the fixed plate 12 and the frame 10.

[0027] By the above-mentioned winding method of the transmission chain 27, the tension of the transmission chain 27 wound around the sprocket can be always maintained, and the lifting frame 20 can also be stably lifted and lowered.

[0028] In this embodiment, a linear guide rail 111 is provided on the inner side of the vertical beam 11, and a slider 202 is provided on the outer side of the lifting plate to cooperate with the linear guide rail 111, so that the lifting frame 20 can be lifted more smoothly and avoid shaking during the lifting process.

[0029] In this embodiment, a limit cross bar 13 is provided at the top of the linear guide rail 111 , and both ends of the limit cross bar 13 are vertically connected to the mounting beams 11 on both sides of the frame body 10 , so as to limit the maximum stroke of the lifting frame 20 .

[0030] In this embodiment, a pulley (not shown) is provided at the bottom of the frame 10 to facilitate the movement of the frame 10 for use in different application scenarios.

[0031] A chain-type lifting platform provided by the present utility model, compared with the prior art, provides a rigid and stable support through a frame-type body 10. A chain-type lifting device is arranged inside the body 10. In the chain-type lifting device, a lifting frame 20 that moves up and down inside the body 10 is provided. Moreover, both sides of the lifting frame 20 are slidably connected to the installation vertical beams 11 in the body 10, so that the lifting frame 20 is stable and smooth during the lifting process and can effectively improve the load capacity.

[0032] In the case of no conflict, the above-mentioned embodiments and the features in the embodiments may be combined with each other.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting the protection scope of the present utility model. Although the present utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present utility model may be modified or equivalently replaced without departing from the essence and scope of the technical solutions of the present utility model.

Claims

1. A chain lifting platform, characterized in that: include: The frame is a frame structure, and two opposite sides of the frame are provided with mounting beams; A chain lifting device is arranged in the frame body, wherein the chain lifting device is provided with a lifting frame which moves up and down inside the frame body, and two sides of the lifting frame are slidably connected with the mounting vertical beam; The chain lifting device includes the lifting frame, two sets of transmission sprocket groups, two transmission chains, a synchronous transmission shaft and a driving motor. Lifting plates are vertically arranged on both sides of the lifting frame. The two sets of transmission sprocket groups are symmetrically arranged on the lifting mounting plates on both sides of the lifting frame and on both sides of the frame body. The two transmission chains are symmetrically wound around the two sets of transmission sprocket groups. The driving motor is connected to the top of the frame body. The driving shaft end of the driving motor is connected to a reducer. The synchronous transmission shaft is in transmission connection with the reducer. Both ends of the synchronous transmission shaft are respectively connected to the sprockets in the two sets of transmission sprocket groups arranged on the frame body.

2. A chain lifting platform according to claim 1, characterized in that: A fixed plate is provided on one side of the lifting plate, which is located on the frame. The transmission sprocket group includes a first sprocket, a second sprocket, a third sprocket, a fourth sprocket, a fifth sprocket and a sixth sprocket. The first sprocket and the second sprocket and the fifth sprocket and the sixth sprocket are symmetrically arranged on the outer side of the lifting mounting plate, and the third sprocket is arranged on the inner side of the fixed plate and is located obliquely below the second sprocket. The third sprocket and the second sprocket are arranged opposite to each other up and down and are connected to the synchronous transmission shaft. The transmission chain is sequentially wound around the first sprocket, the second sprocket, the third sprocket, the fourth sprocket, the fifth sprocket and the sixth sprocket, and two ends are vertically opposite to each other and are respectively fixed on the fixed plate and the frame.

3. A chain lifting platform according to claim 1, characterized in that: A linear guide rail is arranged on the inner side of the installation vertical beam, and a sliding block which is matched and connected with the linear guide rail is arranged on the outer side of the lifting plate.

4. A chain lifting platform according to claim 3, characterized in that: A limiting cross bar is arranged at the top end of the linear guide rail, and two ends of the limiting cross bar are vertically connected to the mounting vertical beams on both sides of the frame body.

5. The chain lifting platform according to claim 1, characterized in that: One side of the frame is an inlet, and a reinforcing crossbeam structure is provided on the frame on the opposite side of the inlet.

6. A chain lifting platform according to claim 1, characterized in that: A pulley is arranged at the bottom of the frame.

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