Labor-saving platform lifting mechanism

Abstract

The utility model provides a laborsaving platform lifting mechanism which comprises a machine frame, a working platform and a lifting combination device, the lifting combination device comprises a motor speed reducer, an air cylinder and a lever type transmission set, and the lever type transmission set comprises a fixed wheel, a driving wheel A, a driving wheel B and a transmission chain. The motor speed reducers are installed on the left side and the right side of the top of the rack respectively and connected with the fixed wheels through transmission output shafts respectively, the driving wheels A are installed on the left side and the right side of the working platform respectively, the air cylinders are installed at the bottom of the rack respectively, pushing rods of the air cylinders are provided with the driving wheels B respectively, and one end of the transmission chain is fixedly connected to the inner side of the rack. And the other end of the transmission chain is sequentially in meshed connection with the A driving wheel, the fixed wheel and the B driving wheel and is fixedly connected to the outer side of the rack. The lifting device is simple in structure and convenient to operate, lifting is carried out according to the lever principle, the power of a motor speed reducer is reduced through large load transmission, and the operation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of platform lifting mechanisms, and specifically relates to a labor-saving platform lifting mechanism. Background Art

[0002] Plates, especially glass, are widely used in fields such as construction and automobiles. Glass plates generally need to go through processes such as original sheet forming, taking the original sheet, cutting, edge grinding and chamfering, tempering, printing, cleaning, and inspection during production and processing.

[0003] Among them, after each processing procedure is completed, semi-finished or finished glass plates need to be transported or stored by a lifting mechanism. Most of this lifting mechanism directly uses a motor reducer to drive the operation of a sprocket to lift a chain to lift the working platform. However, in the case of large loads, the power required by the motor reducer is extremely large, which is not conducive to the rapid operation of the equipment, and the problem of slow operation speed of the equipment under large loads has not been solved. Content of the Utility Model

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a labor-saving platform lifting mechanism, which has a simple structure, is convenient to operate, and uses the lever principle for lifting, so that the power of the motor reducer is greatly reduced for large-load transmission, the operation efficiency of the equipment is improved, the operation is stable, and it is practical and reliable.

[0005] The invention purpose of the utility model is realized as follows: A labor-saving platform lifting mechanism includes a frame, a working platform, and a lifting combination device. Among them, the lifting combination device includes a motor reducer, a cylinder, and a lever transmission group. The lever transmission group includes a fixed wheel, a movable wheel A, a movable wheel B, and a transmission chain. The motor reducers are respectively installed on the left and right sides of the top of the frame, and their transmission output shafts are respectively connected with fixed wheels. The fixed wheels are installed on the top of the frame. The movable wheels A are respectively installed on the left and right sides of the working platform corresponding to the fixed wheels. The cylinders are respectively installed at the bottom of the frame corresponding to the fixed wheels, and their push rods are respectively installed with movable wheels B. One end of the transmission chain is fixedly connected to the inner side of the frame, and the other end of the transmission chain is sequentially meshed with the movable wheel A, the fixed wheel, the movable wheel B, and fixedly connected to the outer side of the frame.

[0006] According to the above, for optimization, one end of the transmission chain is fixedly connected to the top of the frame, and the other end of the transmission chain is sequentially meshed with the movable wheel A, the fixed wheel, the movable wheel B in an S-shaped winding manner and fixedly connected to the outer side of the frame.

[0007] According to the above, for optimization, four fixed wheels can be disassembled and installed on the top of the frame respectively. Both sides of the motor reducer are respectively connected with transmission output shafts, and the transmission output shafts are respectively rotationally connected with the corresponding fixed wheels.

[0008] Optimized according to the above, the working platform can be disassembled and assembled with four A driving wheels respectively. The A driving wheels move up and down between the fixed points inside the transmission chain installation frame and the fixed wheels as the working platform moves.

[0009] Optimized according to the above, the bottom of the frame can be disassembled and assembled with four cylinders respectively. The end of the push rod of the cylinder can be disassembled and assembled with an installation bracket rotatably connected to the B driving wheel. And the push rod of the cylinder drives the B driving wheel to move up and down in the opposite direction to the moving direction of the A driving wheel between the fixed wheel and the fixed point outside the transmission chain installation frame.

[0010] Optimized according to the above, the working platform includes a lifting frame and several groups of roller-type plate conveying platforms. The A driving wheels are installed on both sides of the end face of the lifting frame. The roller-type plate conveying platforms are distributed on the lifting frame at equal intervals from top to bottom.

[0011] Optimized according to the above, rolling wheels slidably connected to the frame are respectively arranged on the left and right sides of the lifting frame, and guiding grooves for the rolling wheels to roll in a fixed direction are respectively arranged on the left and right inner sides of the frame.

[0012] The advantages of the present utility model are as follows: Through the structural cooperation of the motor reducer, the cylinder and the fixed wheel, A driving wheel, B driving wheel, and transmission chain of the lever-type transmission group, during operation, due to the adoption of the lever principle in this structure, the fixed points of the two transmission chains on each side of the frame have already borne half of the load of the working platform first. Then, the cylinders on each side are combined with the B driving wheels to act synchronously to respectively bear part of the load of the working platform. Finally, the motor reduction motor bears the remaining load of the working platform, realizing that when applicable to large-load transmissions, the power of the motor reducer can be greatly reduced, the operation efficiency of the equipment can be improved, the operation is stable, and it is practical and reliable. Brief Description of the Drawings

[0013] Figure 1 It is a schematic structural diagram of a preferred embodiment of the present utility model.

[0014] Figure 2 It is a top view of a preferred embodiment of the present utility model.

[0015] Figure 3 It is a front view of a preferred embodiment of the present utility model.

[0016] Figure 4 It is a sectional view of a preferred embodiment of the present utility model. Detailed Embodiment

[0017] The present utility model will be further described below with reference to the drawings.

[0018] According to the attached Figures 1 to 4As shown in the figure, the labor-saving platform lifting mechanism of the present utility model includes a frame 1, a working platform 2, and a lifting combination device. Among them, the lifting combination device includes a motor reducer 3, a cylinder 4, and a lever-type transmission group. The lever-type transmission group includes a fixed wheel 5, a moving wheel A 6, a moving wheel B 7, and a transmission chain 8. The motor reducers 3 are respectively installed on the left and right sides of the top of the frame 1, and their transmission output shafts 9 are respectively connected with the fixed wheels 5. The fixed wheels 5 are installed on the top of the frame 1. The moving wheels A 6 are respectively installed on the left and right sides of the working platform 2 corresponding to the fixed wheels 5. The cylinders 4 are respectively installed at the bottom of the frame 1 corresponding to the fixed wheels 5, and their push rods are respectively installed with the moving wheels B 7. One end of the transmission chain 8 is fixedly connected to the inside of the frame 1, and the other end of the transmission chain 8 is sequentially meshed with the moving wheel A 6, the fixed wheel 5, the moving wheel B 7 and fixedly connected to the outside of the frame 1.

[0019] Referring to Figures 1 to 4 As shown in the figure, for further refinement, one end of the transmission chain 8 is fixedly connected to the top of the frame 1, and the other end of the transmission chain 8 is meshed with the moving wheel A 6, the fixed wheel 5, the moving wheel B 7 in an S-shaped winding manner and fixedly connected to the outside of the frame 1.

[0020] In this way, by adopting the S-shaped winding mode of the transmission chain 8, the moving wheel A 6, the fixed wheel 5, the moving wheel B 7, and the transmission chain 8 form a lever-type transmission group for cooperating with the frame 1, the motor reducer 3, and the cylinder 4 for transmission connection, so that the mechanism can still reduce the power of the motor reducer 3 when realizing heavy-load transmission by using the lever principle, with simple structure, stable operation, reliable and practical.

[0021] In the optimized scheme, four fixed wheels 5 can be detachably installed on the top of the frame 1 respectively, four cylinders 4 can be detachably installed on the bottom of the frame 1 respectively, and four moving wheels A 6 can be detachably installed on the working platform 2 respectively.

[0022] Among them, the two sides of the motor reducer 3 are respectively connected with transmission output shafts 9, and the transmission output shafts 9 are respectively rotatably connected with the corresponding fixed wheels 5.

[0023] In addition, the moving wheel A 6 moves up and down between the fixed point of the transmission chain 8 installed on the inside of the frame 1 and the fixed wheel 5 as the working platform 2 moves.

[0024] During this period, the end of the push rod of the cylinder 4 can be detachably installed with a mounting bracket rotatably connected with the moving wheel B 7, and the push rod of the cylinder 4 drives the moving wheel B 7 to move up and down in the opposite direction to the moving wheel A 6 between the fixed wheel 5 and the fixed point of the transmission chain 8 installed on the outside of the frame 1.

[0025] If the working platform 2 bears a load of 20 tons, during operation, since the drive chains 8 which are symmetrically arranged at equal intervals are fixedly connected to the left and right sides of the frame 1 respectively, the two drive chains 8 on each side of the frame 1 and the fixed points on the inner side of the frame 1 bear half of the load of the working platform 2, reducing the weight of the workbench from 20 tons to 10 tons. Then, the two cylinders 4 on each side of the frame 1 act synchronously with the corresponding B driving wheels 7, thus each bearing a weight of 1 ton, reducing the weight of the working platform 2 by another 4 tons. Finally, the weight that the motor reducer 3 needs to bear is 6 tons. Therefore, this mechanism can greatly reduce the power of the motor reducer 3 for large-load transmission and improve the transmission operation efficiency at the same time.

[0026] Referring to Figures 1 to 4 As shown, the working platform 2 includes a lifting frame 21 and several groups of roller-type plate conveying platforms 22. A driving wheels 6 are installed on both sides of the end face of the lifting frame 21, and the roller-type plate conveying platforms 22 are distributed at equal intervals from top to bottom on the lifting frame 21.

[0027] With the working platform 2 adopting this structure and cooperating with the structure of the lifting mechanism, the input glass plates can enter the roller-type plate conveying platforms 22 on each layer of the working platform 2 one by one, and the glass plates can move up or down along with the roller-type plate conveying platforms 22, facilitating the storage or transfer of the glass plates, with good running stability and strong applicability.

[0028] In practical applications, rolling wheels 23 which are slidably connected to the frame 1 are respectively arranged on the left and right sides of the lifting frame 21, and guiding grooves for the rolling wheels 23 to roll in a fixed direction are respectively arranged on the left and right inner sides of the frame 1.

[0029] With the structural cooperation between the rolling wheels 23 and the guiding grooves, the smoothness and stability of the lifting operation are improved, and the operation efficiency is further enhanced.

[0030] The above specific embodiments are only the specific implementation manners with better effects of the present utility model. All structures that are the same as or equivalent to the labor-saving platform lifting mechanism of the present utility model are within the protection scope of the present utility model.

Claims

1. A labor-saving platform lifting mechanism, comprising a frame (1), a working platform (2), and a lifting combination device, characterized in that: The lifting combination device includes a motor reducer (3), a cylinder (4), and a lever-type transmission group. The lever-type transmission group includes a fixed wheel (5), a moving wheel A (6), a moving wheel B (7), and a transmission chain (8). The motor reducer (3) is respectively installed on the left and right sides of the top of the frame (1), and its transmission output shafts (9) are respectively connected to the fixed wheels (5). The fixed wheels (5) are installed on the top of the frame (1). The moving wheels A (6) are respectively installed on the left and right sides of the working platform (2) corresponding to the fixed wheels (5). The cylinders (4) are respectively installed at the bottom of the frame (1) corresponding to the fixed wheels (5), and their push rods are respectively installed with the moving wheels B (7). One end of the transmission chain (8) is fixedly connected to the inner side of the frame (1), and the other end of the transmission chain (8) is sequentially meshed with the moving wheel A (6), the fixed wheel (5), the moving wheel B (7), and fixedly connected to the outer side of the frame (1).

2. The labor-saving platform lifting mechanism according to claim 1, characterized in that: One end of the transmission chain (8) is fixedly connected to the top of the frame (1), and the other end of the transmission chain (8) is sequentially meshed with the moving wheel A (6), the fixed wheel (5), the moving wheel B (7) in an S-shaped winding manner and fixedly connected to the outer side of the frame (1).

3. The labor-saving platform lifting mechanism according to claim 1, characterized in that: Four fixed wheels (5) are respectively detachably installed on the top of the frame (1). The two sides of the motor reducer (3) are respectively connected with transmission output shafts (9), and the transmission output shafts (9) are respectively rotationally connected to the corresponding fixed wheels (5).

4. The labor-saving platform lifting mechanism according to claim 1, characterized in that: Four moving wheels A (6) are respectively detachably installed on the working platform (2). The moving wheels A (6) move up and down between the fixed point on the inner side of the frame (1) where the transmission chain (8) is installed and the fixed wheels (5) as the working platform (2) moves.

5. The labor-saving platform lifting mechanism according to claim 1, characterized in that: Four cylinders (4) are respectively detachably installed at the bottom of the frame (1). The ends of the push rods of the cylinders (4) are detachably installed with mounting brackets rotationally connected to the moving wheels B (7), and the push rods of the cylinders (4) drive the moving wheels B (7) to move up and down in the opposite direction to the moving direction of the moving wheels A (6) between the fixed wheels (5) and the fixed point on the outer side of the frame (1) where the transmission chain (8) is installed.

6. The labor-saving platform lifting mechanism according to claim 1, characterized in that: The working platform (2) includes a lifting frame (21) and several groups of roller-type plate conveying platforms (22). The moving wheels A (6) are installed on both sides of the end face of the lifting frame (21). The roller-type plate conveying platforms (22) are distributed on the lifting frame (21) at equal intervals from top to bottom.

7. The labor-saving platform lifting mechanism according to claim 6, characterized in that: Rolling wheels (23) slidably connected to the frame (1) are respectively arranged on the left and right sides of the lifting frame (21), and guiding grooves for the rolling wheels (23) to roll directionally are respectively arranged on the left and right inner sides of the frame (1).

Images