Multifunctional lifting platform

Abstract

The utility model discloses a multifunctional lifting platform which comprises a base and a top plate, a shear-type frame is arranged between the base and the top plate, one end of the shear-type frame is connected with the base and the top plate through a guide assembly, the other end of the shear-type frame is rotationally connected with the base and the top plate, and the base is connected with the shear-type frame through a driving assembly. Clamping plates are symmetrically arranged at the two ends of the top plate, rotating plates are symmetrically arranged between the two clamping plates through rotating assemblies, the rotating plates and the clamping plates are connected through positioning mechanisms, and detection assemblies are symmetrically arranged at the two ends of the top plate and matched with the driving assemblies. The feeding and discharging device has the beneficial effects that the rotating plate can be conveniently rotated and can be rotationally put down during feeding and discharging, then feeding and discharging can be facilitated, convenience and labor saving are achieved, meanwhile, in the lifting or moving process, the rotating plate and the clamping plate can be rotated for positioning and fixing, the effect of protecting workers or objects on the top plate can be achieved, and safety is ensured.

Description

Technical Field

[0001] The utility model relates to the field of lifting devices, in particular to a multifunctional lifting platform. Background Art

[0002] A lifting platform is a lifting machinery for vertically transporting people or objects. It also refers to equipment for vertical transportation in logistics systems such as factories and automatic warehouses. The lifting platform is often also equipped with various flat conveying equipment. As a connecting device for conveyor lines at different heights, it is generally hydraulically driven, so it is called a hydraulic lift. In addition to transporting goods at different heights, it is widely used in high-altitude installation, maintenance and other operations. The free lifting feature of the lifting platform has been widely used in municipal maintenance, docks, building decoration, etc.

[0003] However, the existing lifting platforms have certain defects in actual use. Some lifting platforms are not equipped with guardrails, which poses certain risks during the lifting process, while some are equipped with guardrails. Although they can provide protection, they are inconvenient when loading and unloading items. Utility Model Content

[0004] The purpose of the utility model is to provide a multifunctional lifting platform to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A multifunctional lifting platform comprises a base and a top plate, a scissor-type frame is arranged between the base and the top plate, one end of the scissor-type frame is connected to the base and the top plate through a guide assembly, and the other end is rotatably connected to the base and the top plate, and the base and the scissor-type frame are connected through a driving assembly, card plates are symmetrically arranged at both ends of the top plate, rotating plates are symmetrically arranged between the two card plates through a rotating assembly, the rotating plate and the card plates are connected through a positioning mechanism, and detection assemblies are symmetrically arranged at both ends of the top plate, and the detection assemblies match the driving assemblies.

[0007] Furthermore, in order to facilitate the cooperation with the guide assembly to carry the top plate to complete the lifting operation, the driving assembly includes a hydraulic telescopic rod equidistantly arranged between the scissors frame and the base, one end of the hydraulic telescopic rod is connected to the base through a rotating block, and the other end is connected to the scissors frame through a rotating block.

[0008] Furthermore, in order to facilitate the lifting operation with the scissor-type frame, the guide assembly includes guide grooves provided on the base and under the top plate, and the scissor-type frame is provided with guide wheels matching the guide grooves.

[0009] Furthermore, in order to achieve precise leveling and accurately control the lifting height, the detection component includes rectangular blocks symmetrically arranged at both ends of the top plate, and a laser rangefinder is fixed under the rectangular blocks.

[0010] Furthermore, in order to facilitate the rotation of the rotating plate and facilitate the engagement and fixing with the card plate when laying flat and lifting, the rotating assembly includes empty grooves symmetrically arranged on both sides of the top plate, and a rotating rod is rotatably arranged in the empty groove, and the rotating rod is fixedly connected to the bottom end of the rotating plate.

[0011] Furthermore, in order to facilitate the positioning and fixing of the rotating plate, ensure its stability during lifting and other uses, ensure the protective effect, and facilitate the opening operation, the positioning mechanism includes a mounting block symmetrically arranged on the top end of the card plate, a plug rod is slidably provided on the mounting block, a pull plate is fixedly provided at one end of the plug rod, and a spring is sleeved on the outside of the plug rod, a positioning block is provided on the rotating plate, and a socket matching the plug rod is opened on the positioning block.

[0012] Furthermore, in order to initially position the rotating plate with the clamping plate, rubber pads are symmetrically provided at both ends of the rotating plate.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] (1) The rotating plate can be easily rotated by means of the rotating assembly in combination with the positioning mechanism. It can be turned and laid down during loading and unloading, which makes loading and unloading easy and relatively labor-saving. At the same time, it can also be rotated and positioned with the card plate during lifting or moving, which can protect the staff or items on the top plate and ensure safety;

[0015] (2) Through the drive assembly and the guide assembly, the scissor frame can carry the top plate to complete the lifting operation, which can facilitate the vertical transportation of goods, etc., and facilitate the maintenance or installation operations of the staff. The coordinated detection assembly can achieve precise leveling and accurately control the lifting height. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of a multifunctional lifting platform according to an embodiment of the utility model;

[0018] Figure 2 It is a partial structural schematic diagram of a multifunctional lifting platform according to an embodiment of the utility model;

[0019] Figure 3 It is a schematic diagram of the structure on the top plate of a multifunctional lifting platform according to an embodiment of the utility model;

[0020] Figure 4 It is a partial structural schematic diagram of a clamping plate and a rotating plate in a multifunctional lifting platform according to an embodiment of the utility model;

[0021] Figure 5 It is a structural schematic diagram of a positioning mechanism in a multifunctional lifting platform according to an embodiment of the utility model.

[0022] Reference numerals:

[0023] 1. Base; 2. Scissor frame; 3. Hydraulic telescopic rod; 4. Top plate; 5. Card plate; 6. Rotating plate; 7. Rectangular block; 8. Empty slot; 9. Guide wheel; 10. Guide slot; 11. Laser rangefinder; 12. Turnbar; 13. Rubber pad; 14. Mounting block; 15. Positioning block; 16. Socket; 17. Insertion rod; 18. Pull plate; 19. Spring; 20. Rotating block. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-Figure 5 According to a multifunctional lifting platform of an embodiment of the utility model, the base 1 includes a base, and in order to facilitate the movement of the lifting platform, the four sides of the bottom end of the base 1 can be welded or fixed with walking wheels by bolts for easy pushing, and a corresponding positioning device is also provided, such as a fixed support foot, the height of the fixed support foot can be adjusted by a screw, and it can be rotated after moving to make it contact with the ground to ensure the supporting effect and prevent the base 1 from moving. The relatively mature technology will not be repeated here, and the base 1 is connected to the top plate 4 by a scissor frame 2, one end of which can be rotatably connected to the base 1 and the top plate 4 by a rotating member, and the other end is connected by a guide assembly, and a driving assembly is also provided between the base 1 and the scissor frame 2 for convenient lifting of the top plate 4.

[0026] See also Figure 1-Figure 5In order to facilitate the up and down movement of the lifting platform, accurate leveling can be achieved and the lifting height can be accurately controlled, wherein the driving component includes a hydraulic telescopic rod 3 equidistantly arranged between the scissor frame 2 and the base 1 (the number can be two or three groups, etc., which can be conveniently extended and retracted by the hydraulic telescopic rod 3, and the lifting operation can be achieved in cooperation with the scissor frame 2, etc.), and one end of the hydraulic telescopic rod 3 is rotatably connected to the base 1 through a rotating block 20, and the other end is rotatably connected to the scissor frame 2 through a rotating block 20, and a guide groove 10 of a guide component is provided on the base 1 and under the top plate 4, and a guide wheel 9 that can conveniently slide in the guide groove 10 is installed on the scissor frame 2, thereby ensuring that the lifting effect can be achieved in cooperation with the scissor frame 2, etc., which is a relatively mature technology and will not be described in detail here, and rectangular blocks 7 of detection components are symmetrically welded at both ends of the top plate 4, and a laser rangefinder 11 (or other distance measuring devices) is installed under the rectangular block 7, and a PLC or a single-chip microcomputer is electrically connected between the laser rangefinder 11 and the hydraulic telescopic rod 3, thereby the appropriate height can be lifted and lowered as needed, and accurate leveling can be achieved.

[0027] See also Figure 1-Figure 5 In order to ensure the safety of workers and items during lifting and lowering, and to facilitate the unloading of items, the top plate 4 is symmetrically welded with clamping plates 5 (with a U-shaped cross section), and the top plate 4 is provided with a rotating assembly slot 8 between the two clamping plates 5 on both sides, in which a rotating rod 12 is rotatably arranged, and the rotating rod 12 is welded and fixed to the bottom end of the rotating plate 6, and the outer wall of the rotating plate 6 is as shown in FIG. Figure 4 As shown, there is a certain slope, and the rotating plate 6 can be slightly tilted downward or laid flat as needed, which can facilitate the unloading of items and is relatively labor-saving. In order to ensure the protective effect when using the lifting device and prevent the rotating plate 6 from rotating, rubber pads 13 adapted to the card plate 5 are bonded to both ends of the rotating plate 6. At the same time, a mounting block 14 of the positioning mechanism is welded to the top end of the card plate 5, on which a plug rod 17 is slidably provided, and a pull plate 18 is fixedly provided at one end of the plug rod 17, and a spring 19 is sleeved on the outside of the plug rod 17, which can be conveniently reset automatically and plugged and positioned with the socket 16 on the positioning block 15. The rotating plate 6 is provided with a positioning block 15, and the positioning block 15 is provided with a socket 16 matching the plug rod 17.

[0028] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0029] In summary, with the aid of the above technical solution of the utility model, when loading is needed, the pull plate 18 can be pulled first, and the insertion rod 17 can slide on the mounting block 14, and the spring 19 is stretched by force to store potential energy, leaving the insertion hole 16 on the positioning block 15, losing the positioning of the rotating plate 6, and rotating under the action of the rotating rod 12, the rotating plate 6 contacts the ground, which can facilitate the loading of the items. After the assembly is completed, the rotating plate 6 can be pulled to turn it up, and at this time, the pull plate 18 is pulled again, and the spring 19 is stretched to store potential energy, and the rotating plate 6 is preliminarily positioned with the card plate 5 under the action of the rubber pad 13, and then the pull plate 18 is released, and the spring 19 is pulled to store potential energy. The spring 19 is reset under the action of potential energy, and the insertion rod 17 is inserted into the socket 16 to complete the positioning and fixing of the rotating plate 6, which can ensure safety during the movement and lifting process, and cooperate with the card plate 5 to achieve a good protection effect. The hydraulic telescopic rod 3 is extended, and in cooperation with the rotating block 20, the guide groove 10, the guide wheel 9 and the scissor frame 2, the top plate 4 can be moved up to complete the lifting, and the laser rangefinder 11 can measure the lifting height. After reaching the specified height, a signal is sent, and the PLC or single-chip microcomputer controls the hydraulic telescopic rod 3 to stop working, completing the lifting, and then repeating the above operation, the rotating plate 6 can be turned down, which is convenient for the staff to go down and the unloading of objects.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multifunctional lifting platform, comprising a base (1) and a top plate (4), characterized in that: A scissor-type frame (2) is provided between the base (1) and the top plate (4); one end of the scissor-type frame (2) is connected to the base (1) and the top plate (4) via a guide assembly, and the other end is rotatably connected to the base (1) and the top plate (4); the base (1) and the scissor-type frame (2) are connected via a driving assembly; card plates (5) are symmetrically provided at both ends of the top plate (4); a rotating plate (6) is symmetrically provided between the two card plates (5) via a rotating assembly; the rotating plate (6) and the card plates (5) are connected via a positioning mechanism; detection assemblies are symmetrically provided at both ends of the top plate (4); and the detection assemblies match the driving assemblies.

2. A multifunctional lifting platform according to claim 1, characterized in that: The driving assembly comprises a hydraulic telescopic rod (3) equidistantly arranged between the scissor-type frame (2) and the base (1), one end of the hydraulic telescopic rod (3) being connected to the base (1) via a rotating block (20), and the other end of the hydraulic telescopic rod (3) being connected to the scissor-type frame (2) via a rotating block (20).

3. A multifunctional lifting platform according to claim 2, characterized in that: The guide assembly comprises a guide groove (10) provided on the base (1) and under the top plate (4), and the scissor-type frame (2) is provided with a guide wheel (9) matching the guide groove (10).

4. A multifunctional lifting platform according to claim 3, characterized in that: The detection assembly comprises rectangular blocks (7) symmetrically arranged at two ends of the top plate (4), and a laser rangefinder (11) is fixedly arranged under the rectangular blocks (7).

5. A multifunctional lifting platform according to claim 4, characterized in that: The rotating assembly comprises empty slots (8) symmetrically arranged on both sides of the top plate (4), a rotating rod (12) is rotatably arranged in the empty slot (8), and the rotating rod (12) is fixedly connected to the bottom end of the rotating plate (6).

6. A multifunctional lifting platform according to claim 5, characterized in that: The positioning mechanism comprises a mounting block (14) symmetrically arranged at the top end of the inner portion of the card plate (5); an insertion rod (17) is slidably arranged on the mounting block (14); a pull plate (18) is fixedly arranged at one end of the insertion rod (17); and a spring (19) is sleeved on the outer portion of the insertion rod (17); a positioning block (15) is arranged on the rotating plate (6); and a socket (16) matching the insertion rod (17) is formed on the positioning block (15).

7. A multifunctional lifting platform according to claim 6, characterized in that: Rubber pads (13) are symmetrically provided at both ends of the rotating plate (6).

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