3 Application of linear drives in logistics Research Linear direct drives have unique advantages in the transport and handling of various substances. For example, vertical transport, tall buildings, especially 700 ~ 800n ultra-high buildings, the transport of people and things is an urgent need to solve the problem, due to the increase in height of rope elevators, steel wire weight increases, in order to reduce the waiting time, but also to increase the elevator The number of units and the construction area are not economical. The use of advanced direct vertical conveying device has the advantages of simple structure, small area, high speed, energy saving and high reliability. For another example, the plane transport application is more extensive, such as raw materials, semi-finished products, finished products, parts and components, packaging bags, packaging boxes, products moving in the plane, storage and storage, scheduling, and so on. This paper introduces the application of linear driving in the plane.
The straight line conveying system of the plane mainly consists of the driving device and the control.
The driving device is implemented by driving the material bag or package hanging, the platen trolley, the transport box, the conveyor belt, etc., and the material is hung on the lower part of the guide rail of the drive device, and the material is also transported on the upper part of the guide rail of the drive device. As shown in FIG. 2 , it is a top view of the drive device. The material is on the transmission line platen, and the top view of the linear drive on the transmission line side plane of Figure 2 is loaded with many single-phase linear driven primary at about 0.5m pitch, and there are 4 slots on the primary to introduce a primary coil. With a capacitor-powered auxiliary coil, these two coils generate a traveling wave magnetic field. The lower rail of the transmission line is equipped with a sufficient number of plates with a length of 0.53 m, instead of a mover, that is, a linearly driven secondary, which is connected with the platen trolley. When the primary power is turned on, the magnetic field generates a thrust force on the plate, which drives the platen car to perform a linear motion. The thrust mainly depends on the induced current on the plate, so it is generally used as a plate with high conductivity of pure aluminum. The attraction between the primary and the plate is very good. Two isolation wheels are installed on the front and back to ensure the distance between them.
The application of a linear drive to access cargo in a three-dimensional warehouse. For example, 99 cargo boxes can be stored in the area of ​​100 cargo boxes and they can be accessed quickly. It is realized by installing many vertical and horizontal linear drive primary blocks on the ground, and the warehouse area can be fully utilized. As shown in Figure 3. The load carrying plate is an aluminum plate. As a secondary block, there are 4 primary blocks in the position of each cargo box, two vertical and two horizontal. If the two longitudinal excitation directions are the same and the two transverse excitation directions are opposite, the secondary plate moves one position forward (or backward) with a cargo box. If the secondary blocks in the adjacent second position have the same effect, the secondary plates continue to advance. If the excitation direction of the two longitudinal blocks is opposite and the excitation direction of the transverse block is the same, the secondary block moves to the left (or right) as required until it reaches the designated position.
4 Conclusions The modernization of production logistics should adopt fast, efficient and automated logistics equipment. Linear drive is a new type of advanced drive device that is the core part of logistics equipment. Its adoption can achieve:
a. Plane stacking for three-dimensional stacking; rapid and accurate transport; synchronization of handling and processing and packaging; is the ideal driving method for safe, fast and easy computer control.
b. It is beneficial to connect the logistics system with a large number of points, a long line, a wide face, and a large scale to the production and packaging system to achieve high efficiency and optimization.
c. Improve the efficiency of logistics, increase efficiency, reduce product costs, and increase competitiveness. (Finish)
The straight line conveying system of the plane mainly consists of the driving device and the control.
The driving device is implemented by driving the material bag or package hanging, the platen trolley, the transport box, the conveyor belt, etc., and the material is hung on the lower part of the guide rail of the drive device, and the material is also transported on the upper part of the guide rail of the drive device. As shown in FIG. 2 , it is a top view of the drive device. The material is on the transmission line platen, and the top view of the linear drive on the transmission line side plane of Figure 2 is loaded with many single-phase linear driven primary at about 0.5m pitch, and there are 4 slots on the primary to introduce a primary coil. With a capacitor-powered auxiliary coil, these two coils generate a traveling wave magnetic field. The lower rail of the transmission line is equipped with a sufficient number of plates with a length of 0.53 m, instead of a mover, that is, a linearly driven secondary, which is connected with the platen trolley. When the primary power is turned on, the magnetic field generates a thrust force on the plate, which drives the platen car to perform a linear motion. The thrust mainly depends on the induced current on the plate, so it is generally used as a plate with high conductivity of pure aluminum. The attraction between the primary and the plate is very good. Two isolation wheels are installed on the front and back to ensure the distance between them.
The application of a linear drive to access cargo in a three-dimensional warehouse. For example, 99 cargo boxes can be stored in the area of ​​100 cargo boxes and they can be accessed quickly. It is realized by installing many vertical and horizontal linear drive primary blocks on the ground, and the warehouse area can be fully utilized. As shown in Figure 3. The load carrying plate is an aluminum plate. As a secondary block, there are 4 primary blocks in the position of each cargo box, two vertical and two horizontal. If the two longitudinal excitation directions are the same and the two transverse excitation directions are opposite, the secondary plate moves one position forward (or backward) with a cargo box. If the secondary blocks in the adjacent second position have the same effect, the secondary plates continue to advance. If the excitation direction of the two longitudinal blocks is opposite and the excitation direction of the transverse block is the same, the secondary block moves to the left (or right) as required until it reaches the designated position.
4 Conclusions The modernization of production logistics should adopt fast, efficient and automated logistics equipment. Linear drive is a new type of advanced drive device that is the core part of logistics equipment. Its adoption can achieve:
a. Plane stacking for three-dimensional stacking; rapid and accurate transport; synchronization of handling and processing and packaging; is the ideal driving method for safe, fast and easy computer control.
b. It is beneficial to connect the logistics system with a large number of points, a long line, a wide face, and a large scale to the production and packaging system to achieve high efficiency and optimization.
c. Improve the efficiency of logistics, increase efficiency, reduce product costs, and increase competitiveness. (Finish)
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