CN103663256A - Lifting platform - Google Patents

Abstract

The invention discloses a lifting platform, which comprises a loading plate, a bottom plate, a transmission assembly and at least one set of lifting assemblies; the loading plate is arranged on the upper side of the bottom plate; the lifting assembly is arranged between the loading plate and the bottom plate; each Each group of lifting components includes two supporting arms cross-hinged with each other; the two ends of the transmission component are respectively connected to the ends of the two supporting arms; the lifting platform of the present invention, through the cooperation of the lifting component and the transmission component, drives the load Plate lifting; the overall structure is simple, easy to operate, good loading effect, and stable transmission.

Description

a lifting platform

technical field

The invention relates to a lifting device, in particular to a lifting platform with stable transmission and easy operation, belonging to the technical field of load transmission devices.

Background technique

Lifting devices are widely used in life and industrial production. People can use lifting devices to transport some heavy objects to positions that some people cannot reach; some existing small lifting devices cannot carry heavy objects. And the range of lifting is small; and some lifting devices with good load-bearing effect and large lifting range usually have many components, complex structure, and are not easy to operate.

Contents of the invention

In view of the above-mentioned technical problems, the object of the present invention is to provide a lifting platform with stable transmission and easy operation.

The technical solution of the present invention is achieved in the following way: a lifting platform, comprising a loading plate, a bottom plate, a transmission assembly and at least one set of lifting components; the loading plate is arranged on the upper side of the bottom plate; the lifting assembly is arranged on the loading plate and the bottom plate; each group of lifting components includes two cross-hinged support arms; the two ends of the transmission component are respectively connected to the ends of the two support arms.

Preferably, there are two groups of lifting assemblies, and the two groups of lifting assemblies are arranged side by side along the same central line.

Preferably, the transmission assembly includes a motor and two sets of transmission pairs; the main shaft of the motor is provided with a coupling, and the coupling is provided with a main bevel gear; each set of transmission pairs includes a beam and a screw; one end of the screw is threadedly connected to the beam, and the other end of the screw is provided with a secondary bevel gear; the secondary bevel gear meshes with the main bevel gear; the two beams of the two sets of transmission pairs Located on the same horizontal plane, the two beams are respectively connected to different support arms on the same lifting assembly.

Preferably, the upper end of each support arm is provided with rollers, and the lower end of each support arm is hinged to the corresponding beam; both ends of each beam are provided with rollers.

Preferably, slide rails are provided on the load plate and the base plate; each of the rollers is provided in a corresponding slide rail.

Preferably, limit blocks are set on the bottom plate; stop blocks are set on the four corners of the bottom plate. the

Due to the application of the above-mentioned technical solution, the present invention has the following advantages compared with the prior art:

The lifting platform of the present invention, through the transmission of gears and screw rods, makes the two crossed support arms rotate at the hinge, and then drives the load plate to rise or fall, and heavy objects can be placed on the load plate to achieve the purpose of lifting; the overall structure Simple, easy to operate, good loading effect, and stable transmission.

Description of drawings

Below in conjunction with accompanying drawing, technical solution of the present invention will be further described:

Accompanying drawing 1 is the structural representation of a kind of lifting platform described in the utility model;

Accompanying drawing 2 is the schematic diagram of the bottom plate and transmission assembly of a kind of lifting platform described in the utility model;

Among them: 1. Load plate; 2. Bottom plate; 3. Support arm; 4. Motor; 5. Coupling; 6. Main bevel gear; 7. Beam; 8. Screw rod; 9. Secondary bevel gear; 10. Roller ; 11, slide rail; 12, limit block; 13, block. the

Detailed ways

The present invention is described below in conjunction with accompanying drawing.

As shown in Figures 1-2, a lifting platform according to the present invention includes a load plate 1, a bottom plate 2, a transmission assembly and two sets of lifting assemblies; the load plate 1 is arranged on the upper side of the bottom plate 2; the lifting assembly It is arranged between the load plate 1 and the bottom plate 2; each group of lifting components includes two supporting arms 3 that are cross-hinged to each other, and the two groups of lifting components are arranged side by side along the same center line; the transmission components include a motor 4 and two groups of transmission components. pair; the main shaft of the motor 4 is provided with a shaft coupling 5, and the shaft coupling 5 is provided with a main bevel gear 6; each group of transmission pairs includes a crossbeam 7 and a screw mandrel 8; One end of the screw mandrel 8 is threadedly connected with the beam 7, and the other end of the screw mandrel 8 is provided with a secondary bevel gear 9; the secondary bevel gear 9 meshes with the main bevel gear 6; the two beams 7 of the two groups of transmission pairs Located on the same horizontal plane, two beams 7 are respectively connected with different support arms 3 on the same lifting assembly, and the lower end of each support arm 3 is hinged to the corresponding beam 7; the upper end of each support arm 3 is Rollers 10 are provided; both ends of each beam 7 are provided with rollers 10; the load plate 1 and the bottom plate 2 are provided with slide rails 11; each of the rollers 10 is provided on the corresponding slide In the rail 11; the bottom plate 2 is provided with limiting blocks 12; the four corners of the bottom plate 2 are provided with stoppers 13.

When working, the motor rotates the screw rod 8 in different directions by adjusting the positive and negative rotation, so that the two beams 7 approach or separate from each other, and then drive the support arm 3 to rotate at the hinge, so that the support arm 3 pushes the load plate 1 up or down; The limit block 12 limits the distance between the load plate 1 and the bottom plate 2 , and the stop block 13 limits the stroke of the roller 10 .

Due to the application of the above-mentioned technical solution, the present invention has the following advantages compared with the prior art:

The lifting platform of the present invention, through the transmission of gears and screw rods, makes the two crossed support arms rotate at the hinges, and then drives the load plate to rise or fall, and heavy objects can be placed on the load plate to achieve the purpose of lifting; the overall Simple structure, easy operation, good loading effect, and stable transmission.

The above-mentioned embodiments are only to illustrate the technical conception and characteristics of the present invention. Substantial equivalent changes or modifications shall fall within the protection scope of the present invention.

Claims (6)

1. A lifting platform, characterized in that: it includes a load plate (1), a bottom plate (2), a transmission component and at least one set of lifting components; the load plate (1) is arranged on the upper side of the bottom plate (2); the The lifting components are arranged between the load plate (1) and the bottom plate (2); each set of lifting components includes two supporting arms (3) cross-hinged with each other; the two ends of the transmission component are connected to the two supporting arms (3) are connected at the ends. 2. The lifting platform according to claim 1, wherein there are two groups of the lifting components, and the two groups of lifting components are arranged side by side along the same central line. 3. The lifting platform according to claim 2, characterized in that: the transmission assembly includes a motor (4) and two sets of transmission pairs; the main shaft of the motor (4) is provided with a coupling (5), which The main bevel gear (6) is arranged on the shaft device (5); each set of transmission pairs includes a beam (7) and a screw rod (8); one end of the screw rod (8) is connected to The beam (7) is threaded, and the other end of the screw rod (8) is provided with an auxiliary bevel gear (9); the auxiliary bevel gear (9) meshes with the main bevel gear (6); the two sets of transmission pairs The first crossbeam (7) is located on the same horizontal plane, and the two crossbeams (7) are respectively connected with different support arms (3) on the same lifting assembly. 4. The lifting platform according to claim 3, characterized in that: the upper end of each support arm (3) is provided with rollers (10), and the lower end of each support arm (3) is hinged on the corresponding Beams (7); rollers (10) are provided at both ends of each beam (7). 5. The lifting platform according to claim 4, characterized in that: the load plate (1) and the bottom plate (2) are provided with slide rails (11); each of the rollers (10) is provided on corresponding slide rail (11). 6. The lifting platform according to any one of the above claims, characterized in that: the bottom plate (2) is provided with a limit block (12); the four corners of the bottom plate (2) are provided with stoppers (13) .

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