Lifting platform

Abstract

The utility model provides a hoisting lifting platform which comprises a lower frame, an upper frame located above the lower frame, a scissor fork connected between the lower frame and the upper frame, a driving assembly used for driving the scissor fork to be opened and closed, and a fixed support fixed above the upper frame and extending upwards. The driving assembly comprises a driving motor fixed to the upper frame and a rigid chain connected with the driving motor and the scissor fork, the rigid chain comprises a chain body and a containing box, the containing box is fixed to the upper frame, and the chain body extends downwards and is fixedly connected with the lower frame. According to the hoisting lifting platform, the rigid chain drives the upper frame and the lower frame to move relatively, the rigid chain can prevent the lower frame from sinking, the occupied space is small, and the structure is stable.

Description

Technical Field

[0001] The utility model relates to a hoisting lifting platform. Background Art

[0002] Some existing lifts are hoisted using a crane or other similar device. When objects need to be moved, the combination of a crane and a lift saves space. However, existing lifts often rely on flexible connections such as belts as a power source, which can easily cause the load to sink.

[0003] In view of this, it is necessary to improve the existing lifting platform to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a hoisting lifting platform to solve the problem that the existing lifting platform is prone to sinking due to loading through flexible connections.

[0005] To achieve the above-mentioned purpose, the utility model provides a hoisting lifting platform, which includes a lower frame, an upper frame located above the lower frame, a scissors fork connected between the lower frame and the upper frame, a driving component for driving the scissors fork to open and close, and a fixed bracket fixed above the upper frame and extending upward. The driving component includes a driving motor fixed to the upper frame, a rigid chain connecting the driving motor and the scissors fork, and the rigid chain includes a chain and a storage box. The storage box is fixed on the upper frame, and the chain extends downward and is fixedly connected to the lower frame.

[0006] As a further improvement of the present invention, a connecting plate is provided on the lower frame, and the connecting plate is fixed to the bottom of the chain.

[0007] As a further improvement of the present invention, the upper frame includes two first support rods arranged at intervals, the lower frame includes two second support rods arranged at intervals, the connecting plate is arranged between the two second support rods, a track is provided on the opposite side of the first support rod, a track is provided on the opposite side of the second support rod, and a slider is provided at the bottom of the scissors fork that slides with the track.

[0008] As a further improvement of the present invention, there are four fixing brackets, which are arranged on the four corners of the upper frame.

[0009] As a further improvement of the present invention, the height of the fixing bracket is greater than the height of the storage box.

[0010] As a further improvement of the present invention, the driving motor includes an output shaft, the rigid chain includes an input shaft, and the output shaft and the input shaft are connected via a transmission member.

[0011] As a further improvement of the present invention, the number of the rigid chains is at least two groups, the two groups of rigid chains are spaced apart along the axial direction of the output shaft, and at least two rigid chains are connected to the same input shaft.

[0012] As a further improvement of the present invention, the transmission member is a chain transmission member or a belt transmission member.

[0013] As a further improvement of the present invention, a support plate is provided on the upper frame, and the driving motor and the storage box are fixed on the support plate.

[0014] As a further improvement of the present invention, the upper frame and the lower frame are both fixed with lifting ears, and the lower frame is provided with a limiting rod protruding upward, and the limiting rod is used to abut against the upper frame.

[0015] The beneficial effects of the utility model are as follows: the hoisting lifting platform of the utility model drives the relative movement of the upper frame and the lower frame through the rigid chain, the rigid chain can prevent the lower frame from sinking, the space is small, and the structure is stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0017] Figure 1 It is a structural diagram of the hoisting lifting platform of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the hoisting lifting platform of the utility model from another angle. DETAILED DESCRIPTION

[0019] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0020] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be internal communication between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0022] like Figures 1 to 2 As shown, the lifting platform 100 of the present invention includes a lower frame 2, an upper frame 1 located above the lower frame 2, a scissors fork 3 connected between the lower frame 2 and the upper frame 1, a driving component 4 for driving the scissors fork 3 to open and close, and a fixed bracket 5 fixed above the upper frame 1 and extending upward.

[0023] The upper frame 1 includes two first support rods 11 spaced apart and a support plate 12 fixed to the two first support rods 11. Furthermore, the fixing bracket 5 is fixed to the support plate 12 and has through holes for screws to pass through for fixing to a crane or hoisting equipment.

[0024] The driving assembly 4 includes a driving motor 41 fixed to the upper frame 1 and a rigid chain 42 connecting the driving motor 41 and the scissors fork 3. The driving motor 41 is used to output torque, and the rigid chain 42 is used to drive the lower frame 2 to move closer to or away from the upper frame 1.

[0025] The rigid chain 42 includes a chain 422 and a receiving box 421. The receiving box 421 is fixed to the upper frame 1. The chain 422 extends downward and is fixedly connected to the lower frame 2. In the drawings, the chain 422 is replaced by a tube.

[0026] In this embodiment, the driving motor 41 and the receiving box 421 are fixed on the support plate 12. Of course, the driving motor 41 can also be fixed on the first support rod 11 by means of screws or other structures.

[0027] The lower frame 2 is provided with a connecting plate 22, and the connecting plate 22 is fixed to the bottom of the chain 422. That is, the driving motor 41 drives the chain 422 in the storage box 421 to extend and retract, thereby driving the lower frame 2 to move up and down.

[0028] There are four fixing brackets 5, which are installed at the four corners of the upper frame 1. In this embodiment, the height of the fixing brackets 5 is greater than that of the storage box 421 to prevent the storage box 421 from contacting and damaging a lifting device such as a crane. In other words, the fixing brackets reserve space for the installation of the rigid chain 42.

[0029] The driving motor 41 includes an output shaft, the rigid chain 42 includes an input shaft, and the output shaft and the input shaft are connected via a transmission member 43. In this embodiment, the transmission member is a chain transmission member or a belt transmission member.

[0030] In the accompanying drawings of this embodiment, there is only one set of rigid chains 42. However, in other embodiments, there are at least two sets of rigid chains 42, spaced apart along the axial direction of the output shaft, with at least two rigid chains 42 connected to the same input shaft. Depending on the load weight, the number of rigid chains 42 can be increased or decreased, and their placement adjusted to meet load and position requirements. This avoids the problem of the lower frame 2 sinking due to loading and losing the position signal.

[0031] The lower frame 2 includes two second support rods 21 spaced apart from each other, and the connecting plate 22 is disposed between the two second support rods 21 .

[0032] In this embodiment, a track 23 is provided on the side opposite the first support rod 11, and a track 23 is provided on the side opposite the second support rod 21. A slider 31 is provided at the bottom of the scissor fork 3 to slide with the track 23, and the other end of the scissor fork 3 is fixed to the upper frame 1 and the lower frame 2. Of course, in other embodiments, a slide rail and a pulley can also be used to cooperate to allow the scissor fork 3 to move relative to the upper frame 1 and the lower frame 2.

[0033] The upper frame 1 and the lower frame 2 are both fixed with lifting lugs 6. The lifting lugs 6 can assist in lifting the lifting platform 100 to prevent it from falling.

[0034] The lower frame 2 is provided with an upwardly protruding limiting rod 24, which is used to abut against the upper frame 1 to prevent the upper frame 1 and the lower frame 2 from colliding due to failure of the rigid chain 42.

[0035] The hoisting lifting platform 100 of the present invention drives the relative movement of the upper frame 1 and the lower frame 2 through the rigid chain 42. The rigid chain 42 can prevent the lower frame 2 from sinking, occupies little space, and has a stable structure.

[0036] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0037] The above-described embodiments merely represent several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be determined by the appended claims.

Claims

1. A lifting platform, characterized by: The lifting platform includes a lower frame, an upper frame located above the lower frame, a scissors fork connected between the lower frame and the upper frame, a driving component for driving the scissors fork to open and close, and a fixed bracket fixed above the upper frame and extending upward. The driving component includes a driving motor fixed to the upper frame, a rigid chain connecting the driving motor and the scissors fork, and the rigid chain includes a chain and a storage box. The storage box is fixed to the upper frame, and the chain extends downward and is fixedly connected to the lower frame.

2. The hoisting lifting platform according to claim 1, characterized in that: The lower frame is provided with a connecting plate, and the connecting plate is fixed to the bottom of the chain.

3. The hoisting lifting platform according to claim 2, characterized in that: The upper frame includes two first support rods arranged at intervals, the lower frame includes two second support rods arranged at intervals, the connecting plate is arranged between the two second support rods, a track is provided on the opposite side of the first support rod, a track is provided on the opposite side of the second support rod, and a slider is provided at the bottom of the scissors fork that slides with the track.

4. The hoisting lifting platform according to claim 1, characterized in that: There are four fixing brackets, which are arranged at the four corners of the upper frame.

5. The hoisting lifting platform according to claim 4, characterized in that: The height of the fixing bracket is greater than the height of the storage box.

6. The hoisting lifting platform according to claim 1, characterized in that: The driving motor includes an output shaft, the rigid chain includes an input shaft, and the output shaft and the input shaft are connected via a transmission member.

7. The hoisting lifting platform according to claim 6, characterized in that: The number of the rigid chains is at least two groups, the two groups of rigid chains are spaced apart along the axial direction of the output shaft, and at least two rigid chains are connected to the same input shaft.

8. The hoisting lifting platform according to claim 6, characterized in that: The transmission member is a chain transmission member or a belt transmission member.

9. The hoisting lifting platform according to claim 1, characterized in that: A support plate is provided on the upper frame, and the driving motor and the storage box are fixed on the support plate.

10. The hoisting lifting platform according to claim 1, characterized in that: The upper frame and the lower frame are both fixedly provided with lifting ears, and the lower frame is provided with a limiting rod protruding upward, and the limiting rod is used to abut against the upper frame.

Images