Five-degree-of-freedom foldable lifting platform

Abstract

The five-degree-of-freedom foldable lifting platform comprises a longitudinal guide rail, a transverse guide rail and a lifting mechanism, the transverse guide rail is located above the longitudinal guide rail and connected with the longitudinal guide rail in a sliding mode, and the lifting mechanism is located above the transverse guide rail and connected with the transverse guide rail in a sliding mode. The two ends of the bottom of the lifting mechanism are in sliding connection with the transverse guide rails through guide sliding seats, the lifting mechanism is composed of two cross-shaped shear fork frames which are symmetrically arranged with the center of the center of the guide sliding seats as the center of the center of the guide sliding seats, and one side of the middle of each shear fork frame is connected with a spiral lifting machine; mounting plates are rotatably connected to the two ends of the top of the shear fork frame through universal connecting assemblies, a lifting table is slidably connected to the upper portions of the mounting plates, extension tables are rotatably connected to the two sides of the lifting table through connecting hinges, and a plurality of identical positioning holes are formed in the upper portions of the lifting table and the extension tables; and one side of the mounting plate is connected with a translation driving assembly, and a rolling driving assembly is slidably connected with the lifting table.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical engineering, and specifically relates to a five-degree-of-freedom foldable lifting platform. Background Art

[0002] The lifting platform is a multifunctional lifting and loading and unloading mechanical equipment that can transport people or objects vertically. It is widely used in high-altitude operations and maintenance in factories, automatic warehouses, parking lots, docks, construction, decoration, logistics, electricity, transportation, oil, hotels, etc.; lifting platforms can be divided into fixed and mobile, guide rail and articulated arm types.

[0003] During the use of existing lifting platforms, since most of them can only achieve movement in the plane and up and down with three degrees of freedom, the angles and directions in which they can lift objects are relatively limited and cannot meet the needs of existing assembly work; in addition, most of the existing lifting platforms are fixed in size, and it is not possible to select a lifting platform of appropriate size for use according to the situation, and the scope of application is relatively small. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the existing lifting platform has a low degree of freedom and cannot meet the needs of existing work, and the size of the lifting platform is fixed and cannot be adjusted according to needs.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is: a five-degree-of-freedom foldable lifting platform, including a longitudinal guide rail, a transverse guide rail and a lifting mechanism, the transverse guide rail is located above the longitudinal guide rail and is slidably connected to the longitudinal guide rail, the lifting mechanism is located above the transverse guide rail and is slidably connected, the bottom two ends of the lifting mechanism are slidably connected to the transverse guide rail through a guide slide, the lifting mechanism is composed of two cross-shaped scissor frames symmetrically arranged with the middle center of the guide slide, and the two scissor frames are located on both sides above the transverse guide rail, a spiral lift is connected to the middle side of the scissor frame, the top two ends of the scissor frame are rotatably connected to a mounting plate through a universal connection assembly, the lifting platform is slidably connected to the top of the mounting plate, and the two sides of the lifting platform are rotatably connected to the extension platform through connecting hinges, the same multiple positioning holes are arranged above the lifting platform and the extension platform, one side of the mounting plate is connected to a translation drive assembly, and the rolling drive assembly is slidably connected to the lifting platform.

[0006] As an improvement, a first driving screw rod is arranged in the middle of the longitudinal guide rail and the transverse guide rail, one end of the first driving screw rod is connected to a first driving motor, and the longitudinal guide rail and the transverse guide rail are threadedly connected to the first driving screw rod through a screw rod sleeve.

[0007] As an improvement, the spiral lift is composed of a second driving screw and a second driving motor connected to one end of the second driving screw, and one end of the bottom of the scissors frame is connected to the second driving screw by threaded cooperation.

[0008] As an improvement, the universal connection assembly is a rotating connection member with two degrees of freedom, and the universal connection assembly is rotationally connected to two sides of the mounting plate.

[0009] As an improvement, the lengths of the connecting hinges on both sides are different, with the length of one side being greater than the length of the other side by the thickness of the lifting platform.

[0010] As an improvement, the length, width and height of the extension platform are the same as those of the lifting platform, and the mounting plate is located on both sides of the lifting platform and is provided with extension plates that abut against the bottom of the extension platforms on both sides.

[0011] As an improvement, the plurality of positioning holes are arranged in a rectangular array on the lifting platform and the extension platform, and the plurality of positioning holes penetrate the lifting platform and the extension platform.

[0012] As an improvement, the translation drive assembly is composed of a third drive screw and a third drive motor connected to one end of the third drive screw. The middle of the lifting platform is threadedly connected to the third drive screw through a slider, and the slider is slidably connected to the mounting plate.

[0013] The advantages of the utility model compared with the prior art are:

[0014] 1. The utility model uses a driving motor to provide driving force, and realizes the lateral and longitudinal displacement movement of the lifting platform through sliding between the lateral and longitudinal guide rails, and uses the spiral elevator in the lifting mechanism to realize the lifting and pitching of the lifting platform, and uses the translation drive component to realize the movement of the lifting platform, that is, a total of five degrees of freedom are realized;

[0015] 2. The utility model can move in both horizontal and vertical directions and can also achieve lifting, pitching and other postures, so as to be used for transportation, lifting and other needs in various complex scenes. It can solve the problems of complex transportation, lifting, lifting and other needs with multiple degrees of freedom that cannot be met by the existing traditional lifting, lifting, transportation and other simple mechanism equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a structural diagram of a five-degree-of-freedom foldable lifting platform.

[0017] Figure 2 It is a side view of a five-degree-of-freedom foldable lifting platform of the utility model.

[0018] Figure 3 It is a front view of a five-degree-of-freedom foldable lifting platform of the utility model.

[0019] Figure 4 The utility model is a folding structure diagram of a five-degree-of-freedom foldable lifting platform.

[0020] As shown in the figure: 1. Longitudinal guide rail; 2. Horizontal guide rail; 3. Guide slide; 4. Scissor frame; 5. Screw lift; 6. Universal connection assembly; 7. Mounting plate; 8. Lifting platform; 9. Hinge; 10. Extension platform; 11. Multiple positioning holes; 12. Translation drive assembly; 13. First drive screw rod; 14. First drive motor; 15. Screw rod sleeve; 16. Second drive screw rod; 17. Second drive motor; 18. Extension plate; 19. Third drive screw rod; 20. Third drive motor; 21. Slider DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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 the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0023] Embodiment 1:

[0024] As the instruction manual Figure 1-4 As shown, a five-degree-of-freedom foldable lifting platform includes a longitudinal guide rail 1, a transverse guide rail 2 and a lifting mechanism. The transverse guide rail 2 is located above the longitudinal guide rail 1 and is slidably connected to the longitudinal guide rail 1. The lifting mechanism is located above the transverse guide rail 2 and is slidably connected. The bottom ends of the lifting mechanism are slidably connected to the transverse guide rail 2 through guide slides 3. A first driving screw rod 13 is provided in the middle of the longitudinal guide rail 1 and the transverse guide rail 2. One end of the first driving screw rod 13 is connected to a first driving motor 14. The longitudinal guide rail 1 and the transverse guide rail 2 are both threadedly connected to the first driving screw rod 13 through a screw rod sleeve 15.

[0025] In the utility model, the lifting mechanism is composed of two cross-shaped scissor frames 4 symmetrically arranged with the middle center of the guide slide 3, and the two scissor frames 4 are located on both sides above the transverse guide rail 2, and a spiral elevator 5 is connected to the middle side of the scissor frames 4, and the spiral elevator 5 is composed of a second driving motor 17 connected to one end of the second driving screw rod 16 through a second driving screw rod 16. One end of the bottom of the scissor frame 4 is connected to the second driving screw rod 16 by threaded cooperation, and the top two ends of the scissor frame 4 are rotatably connected to the mounting plate 7 through a universal connection assembly 6. The universal connection assembly 6 is a rotating connection with two degrees of freedom, and the universal connection assembly 6 is rotatably connected to both sides of the mounting plate 7.

[0026] In the utility model, a lifting platform 8 is slidably connected to the top of the mounting plate 7, and extension platforms 10 are rotatably connected to the lifting platform 8 on both sides through connecting hinges 9. The lengths of the connecting hinges 9 on both sides are different, and the length of one side is greater than the length of the other side, which is the thickness of the lifting platform 8. The length, width and height of the extension platform 10 are the same as those of the lifting platform 8. The mounting plate 7 is located on both sides of the lifting platform 8 and is provided with extension plates 18 that are against the bottom of the extension platforms 10 on both sides. The same multiple positioning holes 11 are provided above the lifting platform 8 and the extension platform 10. The multiple positioning holes 11 are arranged in a rectangular array on the lifting platform 8 and the extension platform 10, and the multiple positioning holes 11 pass through the lifting platform 8 and the extension platform 10.

[0027] In the utility model, a translation drive assembly 12 is connected to one side of the mounting plate 7, and the rolling drive assembly is slidably connected to the lifting platform 8. The translation drive assembly 12 is composed of a third drive screw 19 and a third drive motor 20 connected to one end of the third drive screw 19. The middle of the lifting platform 8 is threadedly connected to the third drive screw 19 through a slider 21, and the slider 21 is slidably connected to the mounting plate 7.

[0028] During the specific implementation of the utility model, the lifting platform 8 and the extension platforms 10 on both sides can be unfolded or folded for use according to needs; the lifting platform is driven to move horizontally or vertically by the first driving screw 13 between the longitudinal guide rail 1 and the transverse guide rail 2, and the scissor frame 4 on one side is driven to move by the second driving screw 16 and the second driving motor 17, so as to lift the scissor frame 4 on one side or lift the scissor frame 4 on both sides, so as to achieve the purpose of inclined lifting in parallel upwards, and the position is adjusted by moving the lifting platform along the direction of the translation drive component 12 when the lifting platform is in use, and the lifting platform is driven to move horizontally or vertically by the first driving screw 13 between the longitudinal guide rail 1 and the transverse guide rail 2, and the scissor frame 4 on one side is driven to move by the second driving screw 16 and the second driving motor 17, so as to lift the scissor frame 4 on one side or lift the scissor frame 4 on both sides, so as to achieve the purpose of inclined lifting in parallel upwards, and the position is adjusted by moving the translation drive component 12 along the direction of the translation drive component 12 when the lifting platform is in use.

[0029] The above describes the utility model and its implementation methods, which are not restrictive. The specific implementation method is only one of the implementation methods of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it, without departing from the purpose of the invention of the utility model, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the utility model.

Claims

1. A five-degree-of-freedom foldable lifting platform, comprising a longitudinal guide rail, a transverse guide rail and a lifting mechanism, wherein the transverse guide rail is located above the longitudinal guide rail and is slidably connected to the longitudinal guide rail, and the lifting mechanism is located above the transverse guide rail and is slidably connected to the longitudinal guide rail, characterized in that: The bottom two ends of the lifting mechanism are slidably connected to the transverse guide rail through a guide slide, and the lifting mechanism is composed of two cross-shaped scissor frames symmetrically arranged with the middle center of the guide slide, and the two scissor frames are located on both sides above the transverse guide rail, and a spiral lift is connected to the middle side of the scissor frame, and the top two ends of the scissor frame are rotatably connected to the mounting plate through a universal connection assembly, and a lifting platform is slidably connected above the mounting plate, and extension platforms are rotatably connected to the lifting platform on both sides through connecting hinges, and the same multiple positioning holes are arranged above the lifting platform and the extension platform, and a translation drive assembly is connected to one side of the mounting plate, and the rolling drive assembly is slidably connected to the lifting platform.

2. A five-degree-of-freedom foldable lifting platform according to claim 1, characterized in that: A first driving screw rod is disposed in the middle of the longitudinal guide rail and the transverse guide rail, one end of the first driving screw rod is connected to a first driving motor, and the longitudinal guide rail and the transverse guide rail are both threadedly connected to the first driving screw rod through a screw rod sleeve.

3. The five-degree-of-freedom foldable lifting platform according to claim 1, characterized in that: The spiral lift is composed of a second driving screw and a second driving motor connected to one end of the second driving screw. One end of the bottom of the scissor frame is connected to the second driving screw through threaded cooperation.

4. The five-degree-of-freedom foldable lifting platform according to claim 1, characterized in that: The universal connection assembly is a rotating connection member with two degrees of freedom, and the universal connection assembly is rotationally connected to two sides of the mounting plate.

5. The five-degree-of-freedom foldable lifting platform according to claim 1, characterized in that: The lengths of the connecting hinges on both sides are different, and the length of one side is greater than the length of the other side by the thickness of the lifting platform.

6. The five-degree-of-freedom foldable lifting platform according to claim 1, characterized in that: The extension platform and the lifting platform have the same length, width and height. The mounting plate is located on both sides of the lifting platform and is provided with extension plates that abut against the bottoms of the extension platforms on both sides.

7. The five-degree-of-freedom foldable lifting platform according to claim 1, characterized in that: The plurality of positioning holes are arranged in a rectangular array on the lifting platform and the extension platform, and the plurality of positioning holes penetrate the lifting platform and the extension platform.

8. The five-degree-of-freedom foldable lifting platform according to claim 1, characterized in that: The translation drive assembly is composed of a third drive screw and a third drive motor connected to one end of the third drive screw. The middle of the lifting platform is threadedly connected to the third drive screw through a slider, and the slider is slidably connected to the mounting plate.

Images