Dual-motor synchronous lifting intelligent logistics system

Abstract

The intelligent logistics system comprises a supporting frame, a cargo carrying table, balancing weights, two gear motors, driving wheels and a driving chain, the gear motors are symmetrically arranged on the two sides of the supporting frame, the balancing weights are symmetrically arranged on the same sides of the gear motors, and a chain wheel and a first chain are arranged at the top of the supporting frame; one end of the driving chain is connected with the cargo carrying table, the other end of the driving chain is connected with the balancing weight, one end of the first chain is connected with the balancing weight, the other end of the first chain is connected with the cargo carrying table, the gear motor is connected with the driving wheel, and the gear motor drives the cargo carrying table and the balancing weight to move; the structure is simple, the cost of a single motor can be reduced by arranging the double motors, the two sides of the cargo carrying table can synchronously ascend and descend through the gear motors, and therefore the cargo carrying table can ascend and descend stably.

Description

Technical Field

[0001] The present invention relates to the technical field of logistics, and particularly relates to an intelligent logistics system with synchronous lifting of dual motors. Background Art

[0002] With the rapid development of the national economy, automated storage and retrieval systems have been increasingly widely used in the modern logistics field. Among them, the elevator is an important component of the automated storage and retrieval system. The body of the elevator is designed to match the height of the automated storage and retrieval system. In the industry, in order to ensure its stability, noise reduction and cost performance, higher requirements are put forward for its structural design. At present, the elevators used in conjunction with high-rise shelves often have problems of poor stability and high motor costs. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide an intelligent logistics system with synchronous lifting of dual motors, in which the reduction motors drive the lifting of the cargo platform synchronously, ensuring the self-balance of the heights on both sides of the cargo platform, and having low requirements for the motor power, which can reduce costs to overcome the deficiencies of the prior art.

[0004] To solve the above technical problem, the technical solution of the present invention is: to provide an intelligent logistics system with synchronous lifting of dual motors, including a support frame, a lifting mechanism, a cargo platform, and a counterweight. The lifting mechanism includes two reduction motors, drive wheels, and drive chains. The reduction motors are symmetrically arranged on both sides of the support frame, and the counterweight is arranged on the same side as the reduction motors. A sprocket and a first chain are arranged at the top of the support frame. The drive chain is meshed and connected with the drive wheel, and the first chain is meshed and connected with the sprocket. One end of the drive chain is connected to the cargo platform, and the other end is connected to the counterweight. One end of the first chain is connected to the counterweight, and the other end is connected to the cargo platform. The reduction motor is connected to the drive wheel, and the reduction motor drives the movement of the cargo platform and the counterweight. The cargo platform is horizontally suspended in the support frame.

[0005] The drive wheels are symmetrically installed on both sides of the reduction motor. The sprockets are arranged on the same side as the reduction motor, and 4 sprockets are arranged on each side. The sprockets are supported by a support assembly. The drive wheels and the drive chains are in one-to-one correspondence, and the sprockets and the first chains are in one-to-one correspondence.

[0006] The support frame is provided with a connecting rod, and the cargo platform is provided with an over-limit alarm switch.

[0007] A light sensor is arranged on the cargo platform for sensing goods and detecting whether the goods exceed the limit.

[0008] On both sides of the counterweight block, two pairs of counterweight guide shoes are symmetrically arranged. The support frame is provided with counterweight guide rails corresponding to the counterweight guide shoes, and the counterweight guide shoes are slidably connected to the counterweight guide rails.

[0009] On both sides of the cargo platform close to the counterweight block, two pairs of cargo guide shoes are symmetrically arranged. The support frame is provided with cargo guide rails corresponding to the cargo guide shoes, and the cargo guide shoes are slidably connected to the cargo guide rails to ensure the smooth lifting movement of the cargo platform.

[0010] Buffer blocks are arranged below the cargo platform and the counterweight block to prevent the cargo platform and the counterweight block from colliding with the ground, thereby prolonging their service life.

[0011] Adopting the above technical solutions, the following beneficial effects are achieved: In the present invention, by symmetrically arranging the reduction motors to replace the solution of purchasing a single high-power motor, the total cost is reduced, and the self-balancing of the dynamic process of the heights on the left and right sides of the cargo platform can be achieved through electric control without manual leveling. A light sensor is arranged on the cargo platform of the present invention to detect whether the goods exceed the limit. In the present invention, the counterweight block and the cargo platform move in the opposite direction, which can reduce the power required for the upward movement of the cargo platform and further reduce the cost of a single motor. Description of the Drawings

[0012] Figure 1 It is an overall schematic diagram of an intelligent logistics system with double-motor synchronous lifting according to the present invention.

[0013] Figure 2 It is a partial enlarged view of the cargo platform of an intelligent logistics system with double-motor synchronous lifting according to the present invention.

[0014] Figure 3 It is a schematic diagram of some components of an intelligent logistics system with double-motor synchronous lifting according to the present invention.

[0015] Figure 4 It is a schematic diagram of some components without a chain of an intelligent logistics system with double-motor synchronous lifting according to the present invention.

[0016] Figure 5 It is a left view of the whole without a chain of an intelligent logistics system with double-motor synchronous lifting according to the present invention.

[0017] Among them, the meanings of the reference numerals are as follows: 1. Support frame, 11. Loading guide rail, 12. Counterweight guide rail, 13. Connecting rod, 2. Loading platform, 21. Light sensor, 22. Loading guide shoe, 23. First loading platform joint, 24. Second loading platform joint, 25. Overlimit alarm switch, 3. Lifting mechanism, 31. Reducing motor, 32. Driving chain, 33. Driving wheel, 4. Counterweight, 41. First counterweight joint, 42. Second counterweight joint, 43. Counterweight guide shoe, 51. Sprocket, 52. First chain, 53. Sprocket connecting rod, 6. Buffer block. Detailed implementation manner

[0018] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation of the present invention.

[0019] In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", and "connection" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0020] As Figures 1-5 shown, the present invention provides an intelligent logistics system with synchronous lifting of two motors, including a support frame 1, a lifting mechanism 3, a loading platform 2, and a counterweight 4. The lifting mechanism 3 includes two reducing motors 31, driving wheels 33, and driving chains 32. The reducing motors 31 are symmetrically arranged on both sides of the support frame 1, and the counterweight 4 is symmetrically arranged on the same side of the reducing motors 31. A sprocket 51 and a first chain 52 are arranged at the top of the support frame 1. The driving chain 32 is meshed and connected with the driving wheel 33, and the first chain 52 is meshed and connected with the sprocket 51. One end of the driving chain 32 is connected to the first loading platform joint 23 at the upper end of the loading platform 2, and the other end is connected to the first counterweight joint 41 at the upper end of the counterweight 4. One end of the first chain 52 is connected to the second counterweight joint 42 at the lower end of the counterweight 4, and the other end is connected to the second loading platform joint 24 at the lower end of the loading platform 2. The driving chain 32, the loading platform 2, the first chain 52, and the counterweight 4 form a closed loop, and the reducing motor 31 is connected to the driving wheel 33.

[0021] The driving wheels 33 are symmetrically installed on both sides of the reduction motor 31. The sprockets 51 are arranged on the same side of the reduction motor 31, and 4 sprockets 51 are arranged on each side. The sprockets 51 are supported by a support assembly. The support assembly includes sprocket connecting rods 53. One sprocket connecting rod 53 is connected to two sprockets 51, so as to support the sprockets on the top of the support frame 1. The driving wheels 33 and the driving chain 32 are in one-to-one correspondence, and the sprockets 51 and the first chain 52 are in one-to-one correspondence.

[0022] When the loading platform 2 is lifted, the reduction motor 31 drives the driving wheels 33 to rotate. The driving wheels 33 rotate towards the loading platform 2, thereby driving the driving chain 32 to move towards the loading platform 2. The driving chain 32 gives a downward pulling force to the counterweight 4. The counterweight 4, through the cooperation of the first chain 52 and the sprockets 51, gives an upward pulling force to the loading platform 2, thereby realizing the lifting of the loading platform 2.

[0023] When the loading platform 2 descends, the reduction motor 31 drives the driving wheels 33 to rotate. The driving wheels 33 rotate towards the counterweight 4, thereby driving the driving chain 32 to move towards the counterweight 4. The driving chain 32 gives a downward pulling force to the loading platform 2. The loading platform 2, through the cooperation of the first chain 52 and the sprockets 51, gives an upward pulling force to the counterweight 2, thereby realizing the descent of the loading platform 2.

[0024] The support frame 1 is provided with a connecting rod 13 for docking with the platform. The loading platform 2 is provided with an over-limit alarm switch 25 to control the hovering position of the loading platform 2. The loading platform 2 hovers at the docking platform on the same plane as the connecting rod 13, which is convenient for loading and unloading goods on the loading platform 2. The PLC is signal-connected to the frequency converter and the encoder. The hovering position of the loading platform is controlled by sending corresponding pulse signals to the frequency converter. The encoder plays a function of signal conversion during the walking process, converting the mechanical movement of the motor into an electrical signal. However, during the feedback process, due to signal interference and other situations, there will be situations of losing steps and over-traveling. When a deviation is detected, the frequency or pulse reissue amount will be automatically adjusted, thereby realizing the synchronous lifting and lowering of the loading platform.

[0025] The loading platform 2 is provided with a light sensor 21 for sensing goods and detecting whether the goods are over-limit.

[0026] Two pairs of counterweight guide shoes 43 are symmetrically arranged on both sides of the counterweight 4. The support frame 1 is provided with counterweight guide rails 12 corresponding to the counterweight guide shoes 43. The counterweight guide shoes 43 are slidably connected to the counterweight guide rails 12.

[0027] Two pairs of loading guide shoes 22 are symmetrically arranged on both sides of the loading platform 2 close to the counterweight 4. The support frame 1 is provided with loading guide rails 11 corresponding to the loading guide shoes 22. The loading guide shoes 22 are slidably connected to the loading guide rails 11.

[0028] Under the combined action of the guide shoes and the guide rails, the counterweight 4 and the loading platform 2 can perform smooth lifting and lowering movements.

[0029] Buffer blocks 6 are provided below the loading platform 2 and the counterweight 4 to prevent the loading platform 2 and the counterweight 4 from colliding with the ground, thereby extending the service life and reducing noise.

[0030] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art should understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the claims and their equivalents, and improvements made without creative efforts should be included within the protection scope of the present invention.

Claims

1. An intelligent logistics system with synchronous lifting of dual motors, comprising a support frame (1), a lifting mechanism (3), a loading platform (2), and a counterweight (4), characterized in that The lifting mechanism includes two reduction motors (31), a driving wheel (33), and a driving chain (32). The reduction motors (31) are symmetrically arranged on both sides of the support frame (1), and the counterweight blocks (4) are symmetrically arranged on the same side of the reduction motors (31). A sprocket (51) and a first chain (52) are arranged at the top of the support frame (1). The driving chain (32) is meshed and connected with the driving wheel (33), and the first chain (52) is meshed and connected with the sprocket (51). One end of the driving chain (32) is connected to the loading platform (2), and the other end is connected to the counterweight block (4). One end of the first chain (52) is connected to the counterweight block (4), and the other end is connected to the loading platform (2). The reduction motor (31) is connected to the driving wheel (33), and the reduction motor (31) drives the loading platform (2) and the counterweight block (4) to move. The loading platform (2) is horizontally hung in the support frame (1).

2. The intelligent logistics system with double-motor synchronous lifting as claimed in claim 1, wherein The driving wheels (33) are symmetrically installed on both sides of the reduction motors (31). The sprockets (51) are arranged on the same side of the reduction motors (31), and 4 sprockets (51) are arranged on each side. The sprockets (51) are supported by a support assembly. The driving wheels (33) and the driving chain (32) are in one-to-one correspondence, and the sprockets (51) and the first chain (52) are in one-to-one correspondence.

3. The intelligent logistics system with double-motor synchronous lifting as claimed in claim 1, wherein The support frame (1) is provided with a connecting rod (13), and the loading platform (2) is provided with an overrun alarm switch (25).

4. The intelligent logistics system with double-motor synchronous lifting as claimed in claim 1, wherein A light sensor (21) is arranged on the loading platform (2) for sensing goods.

5. The intelligent logistics system with double-motor synchronous lifting as described in claim 1, characterized in that Two pairs of counterweight guide shoes (43) are symmetrically arranged on both sides of the counterweight block (4). The support frame (1) is provided with counterweight guide rails (12) corresponding to the counterweight guide shoes (43), and the counterweight guide shoes (43) are slidably connected with the counterweight guide rails (12).

6. The intelligent logistics system with double-motor synchronous lifting as claimed in claim 1, wherein Two pairs of loading guide shoes (22) are symmetrically arranged on both sides of the loading platform (2) close to the counterweight block (4). The support frame (1) is provided with loading guide rails (11) corresponding to the loading guide shoes (22), and the loading guide shoes (22) are slidably connected with the loading guide rails (11).

7. The intelligent logistics system with double-motor synchronous lifting as claimed in claim 1, wherein Buffer blocks are arranged below the loading platform and the counterweight block.

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