Rack and pinion driving system, multi-level matrix-type automated storage and retrieval system, and port container terminal

Abstract

A rack and pinion driving system, a multi-level matrix-type automated storage and retrieval system (5), and a port container terminal. A longitudinal rack and a transverse rack are arranged perpendicular to one another at the bottom of a rail transfer cart (4), and combined with a longitudinal driving pinion and a transverse driving pinion to form a longitudinal driving mechanism and a transverse driving mechanism, respectively, thereby allowing the rail transfer cart (4) to achieve longitudinal conveying and transverse conveying on a longitudinal and transverse conveying line, a goods storage level (501) of the multi-level matrix-type automated storage and retrieval system (5), on a conveying line connecting the port container terminal to a container storage yard and within the storage yard; during longitudinal conveying, the longitudinal driving pinion (101) meshes with the longitudinal rack (201) to form a longitudinal driving structure, and the transverse driving pinion (102) passively passes through a tooth space of the transverse rack (202); during transverse conveying, the transverse driving pinion (102) meshes with the transverse rack (202) to form a transverse driving structure, and the longitudinal driving pinion (101) passively passes through a tooth space of the longitudinal rack (201); and a first tooth tip (122) of a pinion tooth (12) and a second tooth tip (222) of a rack tooth (22) are both structures having a narrow front end and a wide rear end, such that the longitudinal / transverse driving pinions passively engage the longitudinal / transverse racks more smoothly. This allows for higher system driving flexibility, and the structure is simple.

Description

Gear and rack driving system, matrix type stereoscopic warehouse and port container terminal TECHNICAL FIELD

[0001] The present application belongs to the technical field of logistics equipment, and in particular relates to a gear and rack driving system, a matrix type stereoscopic warehouse and a port container terminal. BACKGROUND

[0002] Today, stereoscopic warehouses have become a standard for large enterprises, urban parking, warehousing logistics and other enterprises, and port container terminals are also eager to build container stereoscopic yards. There are various types of stereoscopic warehouses and container stereoscopic yards, such as the more common tunnel type, four-way vehicle type, planar movement, Huocontang type, lifting and transverse type, vertical lifting type, etc. The characteristics of these stereoscopic warehouses and container stereoscopic yards are to solve the problems of efficient land use and efficient operation.

[0003] However, the vertical and horizontal movement of goods in the stereoscopic warehouse and the container stereoscopic yard generally uses a tunnel stacker to implement high-speed vertical movement, and uses a telescopic mechanism of the stacker to implement horizontal movement. The goods are transported and positioned by the form of roller vertical conveying and jacking chain horizontal conveying on the conveying line. However, this design has the problems of insufficient space utilization, complex jacking link and large investment. TECHNICAL PROBLEM

[0004] In the prior art, there is a Huocontang type stereoscopic parking lot, which has high parking density and high vehicle taking efficiency. The vehicle is transported and positioned by using a vehicle loading plate combined with vertical and horizontal movement technology. The bottom of the vehicle loading plate is driven by a friction wheel and a power unit that can turn. This design greatly improves the space utilization and the operating efficiency, but increases the investment intensity. It is only suitable for the area of the business center of a large city where every inch of land is valuable. However, the present inventor found that when this technology is applied to an enterprise logistics stereoscopic warehouse, the investment cost of the friction wheel transmission of the loading plate (vehicle loading plate) for Huocontang operation is difficult for the enterprise to accept. In addition, the enterprise logistics stereoscopic warehouse does not need to adopt pure Huocontang method. In order to use the advantages of high space utilization and high efficiency of the Huocontang type stereoscopic warehouse in the enterprise stereoscopic warehouse, a new low-cost vertical and horizontal movement technology must be adopted to meet the demand of the enterprise in terms of cost performance. TECHNICAL SOLUTION

[0005] A gear and rack driving system is proposed, comprising:

[0006] The track flat car has a load surface and a driven surface opposite to the load surface; wherein the driven surface is provided with longitudinal and transverse racks perpendicular to each other in a cross shape;

[0007] The two ends of the longitudinal rack and the transverse rack in the rack width direction are connected with the second tooth end, and the end head width of the second tooth end is smaller than the end tail width, and the end head is a round and sharp sliding special-shaped profile;

[0008] The driving gear includes a longitudinal driving gear and a transverse driving gear; the two ends of the longitudinal driving gear and the transverse driving gear in the axial direction of the driving gear are connected with the first tooth end, and the end head width of the first tooth end is smaller than the end tail width;

[0009] The longitudinal driving gear and the longitudinal rack are engaged to form a longitudinal driving mechanism, and the transverse driving gear and the transverse rack are engaged to form a transverse driving mechanism;

[0010] When the longitudinal driving gear drives the rail flat car to run in the longitudinal direction, the transverse driving gear in the static state is guided by the second tooth end and the first tooth end in the transverse direction to pass through the tooth groove of the transverse rack in the transverse direction passively; when the transverse driving gear drives the rail flat car to run in the transverse direction, the longitudinal driving gear in the static state is guided by the first tooth end and the second tooth end in the longitudinal direction to pass through the tooth groove of the longitudinal rack in the longitudinal direction passively.

[0011] Compared with the prior art, the application has the advantages and positive effects that in the traditional gear and rack driving mechanism, the gear and the rack are engaged and assembled, and then the rack / gear is driven to move based on the rotation of the gear / rack; when the driving stops, the engagement relationship still exists; the longitudinal / transverse driving gear and the longitudinal / transverse rack are separable in the application, and when the engagement is required to form the longitudinal / transverse driving mechanism, the longitudinal driving gear can be passively cut into the longitudinal rack in the transverse direction to form the engagement relationship, and the transverse driving gear can be passively cut into the transverse rack in the longitudinal direction to form the engagement relationship; in order to realize the smooth cutting of the driving gear, in the design of the application, the gear teeth of the longitudinal driving gear and the transverse driving gear are in the axial direction of the driving gear, not in the radial direction, and the two ends of the gear teeth are respectively provided with the first tooth end, the end head width of the first tooth end is smaller than the end tail width, and correspondingly, the two ends of the rack teeth of the longitudinal rack and the transverse rack in the rack width direction are connected with the second tooth end, and the end head width of the second tooth end is smaller than the end tail width, and the end head is a round and sharp sliding special-shaped profile, which is more convenient for the gear teeth to pass through; the structure that the first tooth end and the second tooth end are narrow at the front end and wide at the rear end enables the longitudinal / transverse driving gear to be smoothly cut in based on the guidance of the first tooth end and the second tooth end and the freedom degree of the gear in the static state when the longitudinal / transverse driving gear is passively cut into the longitudinal / transverse rack in the transverse / longitudinal direction, so that the longitudinal / transverse driving gear can passively pass through the longitudinal / transverse rack smoothly.

[0012] When the rack and pinion drive system is applied to goods transportation, the longitudinal rack and the transverse rack are arranged perpendicularly to each other on the driven surface of the rail flat car, and the longitudinal / transverse drive gear is used as the longitudinal / transverse drive mechanism; when the rail flat car needs to be driven, the longitudinal drive gear is transversely cut into the longitudinal rack, thereby forming the longitudinal drive mechanism, and the rail flat car moves in the longitudinal direction; during the longitudinal movement, the transverse drive gear is longitudinally and passively cut into the tooth groove of the transverse rack; when the rail flat car needs to be switched from the longitudinal direction to the transverse direction, when the transverse drive gear is longitudinally and passively cut into the transverse rack, the longitudinal drive gear stops driving, and the transverse drive gear drives the rail flat car to move in the transverse direction; during the transverse movement, the longitudinal drive gear is transversely and passively cut into the tooth groove of the longitudinal rack, so that the flexibility of driving the rail flat car is higher, the structure is simple, and the efficiency of goods transportation is improved.

[0013] In some embodiments of the present application, the driven surface of the rail flat car is provided with universal wheels, slide columns, slide blocks or balls; the system further comprises a U-shaped longitudinal and transverse track on which the rail flat car runs, the longitudinal drive gear and the transverse drive gear are arranged in the grid inside the U-shaped longitudinal and transverse track, and the universal wheels move in the U-shaped longitudinal and transverse track.

[0014] After the rack and pinion engagement forms the longitudinal / transverse drive mechanism, the movement of the universal wheels in the U-shaped longitudinal and transverse track is limited, thereby ensuring the stable movement of the rail flat car.

[0015] In some embodiments of the present application, the longitudinal rack and the transverse rack are each provided with two racks, which are arranged in an inverted T shape on the driven surface of the rail flat car.

[0016] The longitudinal drive gear and the transverse drive gear are arranged corresponding to the number and length of the longitudinal rack and the transverse rack, and the shafts of the longitudinal drive gear and the transverse drive gear are perpendicular to each other. When the longitudinal rack is long, a longitudinal driven gear is arranged; and / or, when the transverse rack is long, a transverse driven gear is arranged.

[0017] In some embodiments of the present application, the intersection area of the longitudinal rack and the transverse rack is provided with a plurality of four-way teeth in a matrix structure, and the spacing between the two four-way teeth is consistent with the spacing of the rack teeth on the rack.

[0018] In some embodiments of the present application, the longitudinal drive gear and the transverse drive gear are generally fixed on the output shaft of the driving motor or the chain transmission shaft, and when the motor is not working, the output shaft can be easily rotated under the action of external force, so that the rack can be easily engaged with or passed through the gear, and especially, the two ends of the rack teeth and the gear teeth are designed as a special shape with a smooth and sharp sliding surface, which makes it easier for the rack teeth to engage with or pass through the gear teeth.

[0019] The present application further provides a matrix type three-dimensional warehouse, which comprises:

[0020] The stereoscopic warehouse is composed of multiple layers of goods storage layers; each layer of goods storage layer is composed of a grid structure track network formed by the vertical intersection of a plurality of longitudinal tracks and transverse tracks; the longitudinal tracks and the transverse tracks are made of U-shaped rigid materials, and a track flat car is arranged on each track grid;

[0021] The gear rack driving system as described above;

[0022] Wherein, a track flat car is arranged on each track grid; a plurality of symmetrical universal wheels are arranged on the non-rack area of the driven surface of the track flat car; the lateral spacing of the universal wheels is consistent with the spacing of the longitudinal tracks, and the longitudinal spacing of the universal wheels is consistent with the spacing of the transverse tracks; the universal wheels are driven by the longitudinal or transverse driving gear rack to move on the longitudinal tracks and the transverse tracks;

[0023] A longitudinal driving gear and a transverse driving gear are arranged in each grid, which are driven by a longitudinal driving motor and a transverse driving motor respectively.

[0024] In some embodiments of the present application, the driving system further comprises:

[0025] The lifting mechanism is assembled on both sides of the stereoscopic warehouse and is used for interfacing with the longitudinal tracks and / or transverse tracks of each layer of goods storage layer; the longitudinal tracks and / or transverse tracks interfacing with the grid structure of the goods storage layer are arranged thereon; the longitudinal driving gear and / or transverse driving gear and the longitudinal driving motor and / or transverse driving motor are also arranged in the track grid inside the lifting mechanism.

[0026] In some embodiments of the present application, the stereoscopic warehouse further comprises an empty track flat car layer located below the bottom layer of goods storage layer, which is used for buffering the track flat cars.

[0027] As described above, the longitudinal tracks and the transverse tracks can adopt U-shaped material tracks of the same specification to form a matrix track network by longitudinal and transverse interlacing, each track grid can be a square or a rectangle, and the number and length and width of the longitudinal and transverse interlaced grids can be set according to actual needs.

[0028] The stereoscopic warehouse is composed of at least one layer of goods storage layer, each layer of goods storage layer is composed of a matrix track network, a track flat car is arranged on the track grid structure, and a lifting mechanism is arranged on any side, both sides, three sides or four sides of the stereoscopic warehouse; the lifting mechanism interfaces with each layer of goods storage layer and the empty track flat car layer, and is used for receiving or sending the track flat car.

[0029] At least one set of longitudinal driving gears and transverse driving gears are arranged in each grid, a longitudinal driving motor is arranged for the longitudinal driving gears, and a transverse driving motor is arranged for the transverse driving gears; or a driving motor can be arranged according to actual conditions, and each driving gear in the grid is driven by a chain.

[0030] Each grid is arranged with a track flat car, the size of the track flat car is matched with the grid, and the load of the track flat car is matched with the maximum mass of goods of the standard goods location of the stereoscopic warehouse.

[0031] The driven surface of the track flat car is arranged with at least four universal wheels.

[0032] The track flat car can be manufactured by injection molding or pressure casting, and the vertical intersecting longitudinal rack and lateral rack and universal wheel mounting hole on the driven surface of the track flat car are formed by one-time injection molding or pressure casting.

[0033] The size and load of the lifting mechanism should be greater than the index of the standard goods location, and the lifting mechanism is arranged with longitudinal tracks and / or lateral tracks for docking with the grid structure, and is also arranged with longitudinal drive gears and / or lateral drive gears and longitudinal drive motors and / or lateral drive motors inside the grid; that is, if the lifting mechanism is arranged at the longitudinal two ends of the stereoscopic warehouse and the lifting mechanism enters and exits goods in the longitudinal direction, the lifting mechanism is arranged with longitudinal tracks, longitudinal drive gears and longitudinal drive motors; if the lifting mechanism is arranged at the lateral two sides of the stereoscopic warehouse and the lifting mechanism enters and exits goods in the lateral direction, the lifting mechanism is arranged with lateral tracks, lateral drive gears and lateral drive motors; if the lifting mechanism arranged at any side of the stereoscopic warehouse enters and exits goods at both sides of the lifting mechanism, the lifting mechanism is simultaneously arranged with longitudinal / lateral tracks, longitudinal / lateral drive gears and longitudinal / lateral drive motors.

[0034] Compared with the prior art, the matrix type stereoscopic warehouse has the advantages and positive effects that: the matrix type stereoscopic warehouse reduces the warehouse area by the structure of the stereoscopic warehouse, each goods storage layer is composed of longitudinal tracks and lateral tracks to form a plurality of grids for conveying track flat cars, the track flat car can switch in the longitudinal and lateral directions at each grid, for example, the track flat car switches from the longitudinal direction to the lateral direction, when the track flat car enters the current grid and the static lateral drive gear is passively cut into the lateral rack based on the guidance of the first tooth end and the second tooth end, the longitudinal drive gear stops driving, at the same time, the lateral drive gear starts driving, the lateral drive gear drives the track flat car to convey in the lateral direction, the longitudinal drive gear is passively cut out of the longitudinal rack along with the lateral conveying, and the track flat car does not need to be lifted and moved in the traditional way.

[0035] In some embodiments of the present application, the stereoscopic warehouse further comprises an empty track flat car buffer layer located below the lowest goods storage layer.

[0036] The lifting mechanism is a double-layer bottom plate structure, the spacing between the upper layer bottom plate and the lower layer bottom plate is consistent with the spacing between the lowest goods storage layer and the empty track flat car buffer layer; the upper layer bottom plate and the lower layer bottom plate are arranged with longitudinal tracks and / or lateral tracks, longitudinal drive gears and / or lateral drive gears and drive motors.

[0037] The double-layer bottom plate structure can make the lifting mechanism interact with the empty track flat car in the empty track flat car buffer layer while interacting with the track flat car in the goods storage layer, and helps to improve the operation efficiency.

[0038] In some embodiments of the application, the matrix type stereoscopic warehouse further comprises:

[0039] The fishbone conveying line is arranged at the side of the goods storage layer and is composed of a main line and a plurality of branch lines vertically distributed with the main line.

[0040] The main line crosses each lifting mechanism of the stereoscopic warehouse, and the branch lines are distributed on both sides of each lifting mechanism, with one end facing the lifting mechanism and the front of the stereoscopic warehouse, and the other end facing the goods exchange platform.

[0041] The structure of the fishbone conveying line can replace the existing ring-shaped RGV system in the stereoscopic warehouse, improve the goods warehouse efficiency, eliminate the failure downtime event, and save the warehouse space. When the lifting mechanism carries the track flat car to carry out the goods warehouse operation, the branch line on both sides of the lifting mechanism can directly dock with the goods exchange platform at the other end of the branch line or complete the goods warehouse operation task through the main line and another branch line.

[0042] The application also provides a port container terminal, which comprises a gear and rack driving system and a back-shaped conveying line arranged between the sea side and the terminal side of the container stereoscopic yard.

[0043] The terminal side of the back-shaped conveying line is provided with a container alongshore transverse conveying line, the yard sea side of the back-shaped conveying line is provided with a container vertical transverse conveying line, and the two container reversing conveying lines connect the container alongshore transverse conveying line and the container vertical transverse conveying line.

[0044] On the container alongshore transverse conveying line, the length direction of the container is along the shoreline, and on the container vertical transverse conveying line, the length direction of the container is perpendicular to the shoreline.

[0045] The two container reversing conveying lines are provided with a rotating platform, so that the container transported from the terminal side to the yard side is adjusted from the alongshore direction to the vertical direction, and the container transported from the yard side to the terminal side is adjusted from the vertical direction to the alongshore direction. Two container track flat car vertical transverse conveying lines are vertically arranged on the rotating platform. A transverse track and a longitudinal track are arranged in the vertical intersection area of the alongshore transverse conveying line and the reversing conveying line, and a transverse driving gear and a longitudinal driving gear are arranged, so that the track flat car is transversely / longitudinally reversed.

[0046] The vertical transverse conveying line on the side of the H-shaped conveying line yard covers each lifting mechanism, and each lifting mechanism is provided with a vertical longitudinal exchange platform on both sides, which is the same as the fishbone conveying line branch of the aforementioned stereoscopic warehouse.

[0047] In some embodiments of the present application, each layer of the container stereoscopic yard is arranged longitudinally and transversely using the gear and rack driving system, so that the container stereoscopic yard becomes a matrix type stereoscopic yard, and the container does not need to be turned over when any container is picked up. Advantages

[0048] Compared with the prior art, the present application has the advantages and positive effects that: in the port container terminal of the present application, each layer of the container stereoscopic yard and the H-shaped conveying line are composed of the gear and rack driving system proposed above; in the loading operation, the container is stored in the yard in the vertical shore direction with the rail car, and is output to the container vertical transverse conveying line of the H-shaped conveying line through the lifting mechanism and the exchange platform, and is conveyed along the container vertical transverse conveying line to the reversing conveying line, and through the action of the rotating platform on the reversing conveying line, the container is adjusted from the vertical shore direction to the along shore direction, and then is conveyed along the reversing conveying line to the container along shore transverse conveying line, and the bridge crane directly interacts with the container along shore transverse conveying line and the container on the rail car; in the unloading operation, the bridge crane directly interacts with the rail car on the along shore transverse conveying line of the H-shaped conveying line, and directly places the container on the rail car on the container along shore transverse conveying line of the H-shaped conveying line in the along shore direction, and the container is conveyed along the container along shore transverse conveying line to the reversing conveying line with the rail car, and through the action of the rotating platform on the reversing conveying line, the container is adjusted from the along shore direction to the vertical shore direction, and then is conveyed along the reversing conveying line to the container vertical transverse conveying line, and is directly input to the yard from the container vertical transverse conveying line through the exchange platform and the lifting mechanism; based on the port container yard structure provided by the present application, the land occupation and the cost investment of the horizontal transportation equipment of the existing bridge crane interaction area can be saved, the bridge crane directly interacts with the container on the H-shaped conveying line, and the investment of the yard rail crane is also saved, the container can be directly output from the yard to the H-shaped conveying line or input from the H-shaped conveying line to the yard, the container with the rail car in the yard can be moved longitudinally and transversely at will, the problem of traditional container loading and unloading is completely solved, the operation efficiency of the sea side and the land side of the yard is significantly improved, and the land side container loading and unloading transportation is also more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0049] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the application and together with the description, serve to explain the application. Obviously, the drawings in the following description are only some embodiments of the application and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0050] Fig. 1 is a structural schematic of the rack and pinion drive mechanism according to the present application;

[0051] Fig. 2 is a structural schematic of the rack and pinion drive system according to the present application;

[0052] Fig. 3 is a structural schematic of the driven surface of the rail flat car in the rack and pinion drive system according to the present application;

[0053] Fig. 4 is a structural schematic of the longitudinal and transverse reversing mechanism in the rack and pinion drive system according to the present application;

[0054] Fig. 5 is a structural schematic of the matrix rail network drive system according to the present application;

[0055] Fig. 6 is a structural schematic of the matrix rail network drive system according to the present application;

[0056] Fig. 7 is a structural schematic of the port container yard according to the present application;

[0057] Fig. 8 is a structural schematic of the H-shaped conveying line in the port container yard according to the present application;

[0058] Fig. 9 is a structural schematic of the container three-dimensional yard in the port container yard according to the present application;

[0059] Reference signs: 1, driving gear; 101, longitudinal driving gear; 102, transverse driving gear; 11, H-shaped conveying line; 111, onshore transverse conveying line; 112, off-shore transverse conveying line; 113, reversing conveying line; 114, rotating platform; 12, rack tooth; 121, first tooth body; 122, first tooth end; 2, rack; 201, longitudinal rack; 13, container three-dimensional yard; 131, longitudinal container conveying line; 202, transverse rack; 22, rack tooth; 221, second tooth body; 222, second tooth end; 3, four-way tooth; 4, rail flat car; 41, load surface; 42, driven surface; 5, three-dimensional warehouse; 501, cargo storage layer; 502, empty rail flat car buffer layer; 51, longitudinal rail; 52, transverse rail; 6, universal wheel; 7, lifting mechanism; 71, upper layer bottom plate; 72, lower layer bottom plate; 9, fishbone conveying line; 91, main line; 92, branch line; 10, cargo exchange platform.

[0060] It should be noted that the drawings and the written description are not intended to limit the scope of the present application in any way, but are merely to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. Best mode of the present application

[0061] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments will be described clearly and completely below with reference to the drawings of the embodiments of the present application. The following embodiments are used to illustrate the present application, but are not used to limit the scope of the present application.

[0062] In the description of the present application, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are merely for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0063] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or connected through intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0064] In the specific embodiments of the present application, based on the rack and pinion drive system, the track line of the non-powered rail flat car running on the longitudinal or transverse track under the action of the rack and pinion drive system is realized, and then a matrix type track network system is realized, and further a matrix type three-dimensional warehouse and a port container wharf ship loading and unloading track and its three-dimensional yard are constructed.

[0065] Specifically, as shown in FIG. 5, the three-dimensional warehouse includes:

[0066] 1. The three-dimensional warehouse 5 is composed of a plurality of layers of goods storage layers 501 and a buffer layer 502 of empty rail flat cars arranged under the bottom layer of goods storage layers 501 to form a three-dimensional structure. The goods storage layer 501 is at least one layer. As shown in the single-layer structure diagram of the goods storage layer 501 in FIG. 6, only one grid structure is shown. Each layer of goods storage layer 501 is composed of a plurality of longitudinal tracks 51 and transverse tracks 52 vertically intersecting to form a grid structure track network. The longitudinal track 51 and the transverse track 52 adopt a U-shaped structure.

[0067] In the embodiment of the present application, the lateral direction is the direction indicated by the X axis of the coordinate system shown in the figure, the longitudinal direction is the direction indicated by the Y axis, and the vertical direction is the direction indicated by the Z axis.

[0068] 2. The track flat car 4, as shown in FIG. 4, has a front surface as the load surface 41 and a back surface as the driven surface 42. In the track network formed by the grid structure, each grid is configured with a track flat car 4, but at least one grid is left empty in each goods storage layer 501 to facilitate the circulation of the track flat car 4. The non-rack area on the driven surface 42 is provided with four universal wheels 6. The lateral spacing of the universal wheels 6 is consistent with the spacing of the longitudinal tracks 51, and the longitudinal spacing of the universal wheels 6 is consistent with the spacing of the lateral tracks 52.

[0069] 3. The longitudinal driving mechanism and the lateral driving mechanism. The longitudinal driving mechanism is composed of a longitudinal driving gear 101 and a longitudinal rack 201 arranged on the driven surface 42 of the track flat car 4. The lateral driving mechanism is composed of a lateral driving gear 102 and a lateral rack 202 arranged on the driven surface 42 of the track flat car 4. The longitudinal rack 201 and the lateral rack 202 are arranged perpendicular to each other on the driven surface 42. The teeth 12 of the longitudinal driving gear 101 and the lateral driving gear 102 are respectively connected to the first tooth end 122 at both ends in the axial direction of the driving gear 1, and the end width of the first tooth end 122 is smaller than the tail width. The teeth 22 of the longitudinal rack 201 and the lateral rack 202 are respectively connected to the second tooth end 222 at both ends in the rack width direction, and the end width of the second tooth end 222 is smaller than the tail width. When the longitudinal driving mechanism drives the track flat car 4 to run in the longitudinal direction, the static lateral driving gear 102 passively penetrates the tooth groove of the lateral rack 202 in the lateral direction based on the guidance of the second tooth end 222 and the first tooth end 122; when the lateral driving mechanism drives the track flat car 4 to run in the lateral direction, the static longitudinal driving gear 101 passively penetrates the tooth groove of the longitudinal rack 201 in the longitudinal direction based on the guidance of the first tooth end 122 and the second tooth end 222.

[0070] The structure of the first tooth end 122 and the second tooth end 222 with the front end narrow and the rear end wide enables the longitudinal / lateral driving gear 101 / 102 to smoothly penetrate based on the guidance of the first tooth end 122 and the second tooth end 222 when passively penetrating the longitudinal / lateral rack 201 / 202 in the lateral / longitudinal direction, avoiding the problem of being unable to pass due to misalignment;

[0071] The longitudinal rack 201 and the transverse rack 202 are designed with the same specifications and are arranged perpendicularly on the driven surface 42 of the track flat car 4. The first tooth end 122 and the second tooth end 222 are actually one rack tooth 22, but the wheel gallery of the rack tooth 22 is high in the middle and sharp at both ends, like an overturned small boat. The sharp ends of the rack tooth 22 and the gear tooth 12 are designed to be round and sharp to facilitate mutual passing. The middle of the rack tooth 22 and the gear tooth 12 is high to facilitate the engagement of the driving gear 1 and the longitudinal / transverse rack 201 / 202. The intersection area of the longitudinal rack 201 and the transverse rack 202 is distributed with multiple four-way teeth 3 in a matrix structure; the spacing between two four-way teeth 3 is the same as the spacing of the rack teeth 22 on the rack.

[0072] The longitudinal driving gear 101 and the transverse driving gear 102 are arranged inside each grid and are respectively configured with longitudinal driving motors and transverse driving motors for cooperating with the longitudinal rack 201 and the transverse rack 202 at the bottom of the track flat car 4 to form a set of longitudinal and transverse driving mechanisms. The number of driving motors in the longitudinal track grid and the transverse track grid is arranged in the manner of not less than 1, 2, 1 respectively, forming three longitudinal and transverse driving gears 1 in each track grid, which aims to ensure that the track flat car 4 is always driven by the motor from one grid to another. One or two longitudinal driving gears 101 and two or one transverse driving gears 102 form a set, the shafts of the longitudinal driving gear 101 and the transverse driving gear 102 are perpendicular to each other, and at least one set of longitudinal and transverse driving mechanisms is configured in one grid.

[0073] Based on the guidance of the second tooth end 222 of the longitudinal rack 201 and the first tooth end 122 of the longitudinal driving gear 101, the longitudinal driving gear 101 is passively cut into the longitudinal rack 201 in the transverse direction to engage with it, forming a longitudinal driving mechanism. Based on the guidance of the second tooth end 222 of the transverse rack 202 and the first tooth end 122 of the transverse driving gear 102, the transverse driving gear 102 is passively cut into the transverse rack 202 in the longitudinal direction to engage with it, forming a transverse driving mechanism. When the longitudinal rack 201 and the longitudinal driving gear 101 engage to implement longitudinal driving, the static transverse driving gear 102 can passively pass through the tooth groove of the transverse rack 202 in the transverse direction based on the guidance of the first tooth end 122 and the second tooth end 222 of the transverse rack 202. Similarly, when the transverse rack 202 and the transverse driving gear 102 engage to implement transverse driving, the static longitudinal driving gear 101 can passively pass through the tooth groove of the longitudinal rack 201 in the longitudinal direction based on the guidance of the first tooth end 122 and the second tooth end 222 of the transverse rack 202.

[0074] 4. The lifting mechanism 7 is assembled on any side of the stereoscopic warehouse 5, as shown in Fig. 5, for interfacing with the longitudinal rails 51 and / or transverse rails 52 of each goods storage layer 501; the longitudinal rails 51 or transverse rails 52 interfacing with the grid structure of the goods storage layer 501 are also arranged thereon; the longitudinal drive gears 101 or transverse drive gears 102 and longitudinal drive motors or transverse drive motors are also arranged inside the grid.

[0075] As shown in the figure, the Z-axis direction is the lifting direction of the lifting mechanism 7. The lifting mechanism 7 has a double-layer bottom plate structure, and the spacing between the upper layer bottom plate 71 and the lower layer bottom plate 72 is consistent with the spacing between the lowest goods storage layer 501 and the empty rail flat car buffer layer 502.

[0076] 5. The fishbone conveying line is parallel to the empty rail flat car buffer layer 502 of the stereoscopic warehouse 5 and crosses the lifting mechanism 7, which is composed of a main line 91 and multiple branch lines 92 vertically intersecting the main line 91 and located on both sides of the lifting mechanism 7.

[0077] The main line 91 crosses each lifting mechanism 7 of the stereoscopic warehouse; the branch line 92 interfaces with both sides of each lifting mechanism 7, one end of which interfaces with the empty rail flat car buffer layer 502, and the other end interfaces with the goods exchange platform 10; the main line 91 and the branch line 92 are provided with longitudinal rails 51 and / or transverse rails 52 interfacing with the grid structure of the goods storage layer 501; the longitudinal drive gears 101 and / or transverse drive gears 102 and longitudinal drive motors and / or transverse drive motors are also arranged inside the grid.

[0078] Through the basic structure of the above-mentioned gear and rack drive mechanism, a plurality of gear and rack drive mechanisms can be arranged in a plane matrix track network drive system in the transverse X-axis and longitudinal Y-axis, and a plurality of plane matrix track networks can be stacked in the Z-axis, forming an X-axis Y-axis Z-axis matrix stereoscopic warehouse 5.

[0079] The X axis is arranged side by side by a plurality of longitudinal rails 51, and the Y axis is arranged side by side by a plurality of transverse rails 52, thereby forming an XY plane rail network system. There are a plurality of XY plane rail network systems in the Z axis direction, thereby forming a three-dimensional warehouse 5 with the X axis being horizontal, the Y axis being vertical, and the Z axis being vertical. There are X1, X2, … Xn longitudinal rails 51 in the X direction, Y1, Y2, … Yn transverse rails in the Y direction, and Z0, Z1, Z2, … Zn layer XY plane rail network systems in the Z direction. XZ is the front of the three-dimensional warehouse 5, xz is the back of the three-dimensional warehouse, Z0 is the empty rail flat car buffer layer 502, and Z1 to Zn are a plurality of goods storage layers 501 of the three-dimensional warehouse. A plurality of lifting mechanisms 7 are arranged on the XZ front and xz back, respectively. Fishbone conveying lines 9 are arranged outside all the lifting mechanisms 7 to cover the lifting mechanisms 7. Each two branch lines 92 of the fishbone conveying line 9 are connected to the side entrance of the lifting mechanism 7 on one side and connected to the empty rail flat car buffer layer 502 at Z0 and the goods exchange platform 10 on the other end. When the lifting mechanism 7 is lowered to the bottom plate 71 of the upper layer and is connected to the Z1 goods storage layer 501, the bottom plate 72 of the lower layer is connected to the empty rail flat car buffer layer 502 and the branch line 92 of the fishbone conveying line 9. When the lifting mechanism 7 is lowered to the lowest point, the upper layer bottom plate 71 is connected to the entrance of the empty rail flat car buffer layer 502 in the three-dimensional warehouse 5 and the side of the branch line 92 of the fishbone conveying line 9. The lifting mechanism 7, the fishbone conveying line 9, and the goods exchange platform 10 are usually arranged symmetrically on the XZ front and xz back of the three-dimensional warehouse 5.

[0080] According to the above structure, assuming that the three-dimensional warehouse 5 has 10 layers, there are 8 lifting mechanisms 7 at the goods delivery end, and the main line 91 of the fishbone conveying line 9 covers the 8 lifting mechanisms 7. The main line 91 has two lines, one of which is defined as the upward line, and the other of which is defined as the downward line. Two branch lines 92 of the fishbone conveying line 9 are arranged on both sides of each lifting mechanism 7, a total of 16 branch lines 92, and each branch line 92 has a goods exchange platform 10 on the other end, a total of 16 goods exchange platforms 10. Taking the goods delivery as an example, for example, the No. 3 lifting mechanism 7 plans to deliver the goods on the 8th layer of the goods storage layer 501 to the No. 3A and No. 3B and No. 5B goods exchange platforms 10. Among them, No. 3A and No. 3B are two goods exchange platforms 10 corresponding to the branch lines 92 on both sides of the No. 3 lifting mechanism 7, and No. 5B is a goods exchange platform 10 corresponding to one side of the No. 5 lifting mechanism 7. Correspondingly, the branch line 92 corresponding to the A goods exchange platform 10 is referred to as branch line 92A, and the branch line 92 corresponding to the B goods exchange platform 10 is referred to as branch line 92B. The operation process is as follows:

[0081] 1. The longitudinal drive gear 101 of the 8th layer of the goods storage layer 501 of the three-dimensional warehouse 5 is started at the same time as the longitudinal drive gear 101 of the No. 3 lifting mechanism 7, and the goods enter the No. 3 lifting mechanism 7 along with the rail flat car 4.

[0082] 2. The No. 3 lifting mechanism 7 is lowered to butt against the branch line 92A of the fishbone-shaped conveying line 9.

[0083] 3. The lateral drive gear 102 of the No. 3 lifting mechanism 7 is simultaneously started with the lateral drive gear 102 of the branch line 92A, and the goods are moved into the branch line 92A along with the rail flatcar 4.

[0084] 4. At this time, the No. 3 lifting mechanism 7 returns to the 8th goods storage layer 501 of the stereoscopic warehouse 5 to continue taking goods, and the goods just arrived at the branch line 92A are conveyed through the two main lines 91 to the No. 3 A goods exchange platform 10 under the action of the longitudinal drive gear 101 of the branch line 92A.

[0085] 5. At this time, the second goods of the No. 3 lifting mechanism 7 arrive at the branch line 92B, and the lifting mechanism 7 returns to the 8th layer of the stereoscopic warehouse 5 to continue taking goods, which are conveyed to the branch line 92B, and then conveyed through the two main lines 91 to the No. 3 B goods exchange platform 10 under the action of the longitudinal drive gear 101 of the branch line 92B.

[0086] 6. The third goods of the No. 3 lifting mechanism 7 arrive at the branch line 92A, and then enter the upward line of the main line 91, are laterally conveyed to the branch line 92B of the No. 5 lifting mechanism 7 along the upward line, and are longitudinally conveyed to the No. 5 B goods exchange platform 10 corresponding to the No. 5 lifting mechanism 7.

[0087] 7. When the goods on the goods exchange platform 10 are taken away, the rail flatcar directly enters the empty rail flatcar buffer layer 502 along the branch line 92.

[0088] The goods storage process is opposite to the above process, and the specific process will not be described here.

[0089] As shown in FIGS. 7 to 9, the port container yard includes:

[0090] The container stereoscopic yard 13 uses the gear and rack drive system proposed above to be arranged, so that the container stereoscopic yard 13 becomes a matrix type stereoscopic yard, so as to realize the extraction of any one container without overturning the container.

[0091] The lifting mechanism 7 is arranged at the sea side and the land side of the container stereoscopic yard 13.

[0092] The back-shaped conveying line 11 is arranged between the sea side and the wharf side of the container stereoscopic yard 13, and specifically, the container along-shore transverse conveying line 111 is arranged on the wharf side, the container vertical-shore transverse conveying line 112 is arranged on the sea side of the yard, and the two container reversing conveying lines 113 are arranged to connect the container along-shore transverse conveying line 111 and the container vertical-shore transverse conveying line 112; wherein, on the container along-shore transverse conveying line 111, the length direction of the container is along the shore line; on the container vertical-shore transverse conveying line 112, the length direction of the container is perpendicular to the shore line; and the rotating platform 114 is arranged on the two container reversing conveying lines 113, so that the container transported from the wharf side to the yard side is adjusted from the along-shore direction to the vertical-shore direction, and the container transported from the yard side to the wharf side is adjusted from the vertical-shore direction to the along-shore direction; and the two container vertical-shore transverse conveying lines 112 are vertically arranged on the rotating platform 114.

[0093] The exchange platform is arranged on both sides of the lifting mechanism 7, one side of the exchange platform is connected with the lifting mechanism 7, the yard end of the exchange platform is connected with the container storage layer, and the sea side end of the exchange platform is connected with the container vertical-shore transverse conveying line 112 of the back-shaped conveying line 11; when the container is exported, the container is transported from the container storage layer not in the same layer with the back-shaped conveying line to the lifting mechanism 7 in the vertical-shore direction, the lifting mechanism 7 is lowered to be connected with the exchange platform and transported to the exchange platform, and then the container is transported to the container vertical-shore transverse conveying line 112 in the vertical-shore direction, or the container is directly transported to the exchange platform from the container storage layer in the same layer with the back-shaped conveying line in the vertical-shore direction, and then the container is transported to the container vertical-shore transverse conveying line 112 in the vertical-shore direction; the import mode is opposite to the export mode, and details are not described herein.

[0094] The exchange platform on both sides of the lifting mechanism 7 is connected with the longitudinal container conveying line 131 on the container storage layer, and the longitudinal container conveying line 131 on the container storage layer in the same layer with the back-shaped conveying line 11 is extended to be connected with the container vertical-shore transverse conveying line 112 of the back-shaped conveying line 11.

[0095] The specific gear and rack driving mechanism has been described in detail in the above embodiment of the stereoscopic warehouse, and the container wharf loading and unloading ship operation and the container moving in and out of the yard are the same as the principle of the above embodiment, and details are not described herein.

[0096] It should be pointed out that the above description is not a limitation of the present application, and the present application is not limited to the above examples, and the changes, modifications, additions or replacements made by the ordinary skilled in the art within the essential scope of the present application should also belong to the protection scope of the present application.

Claims

1. A gear and rack drive system, characterized in that, include: The rail flatcar (4) has a loading surface (41) and a driven surface (42) opposite to the loading surface (41); wherein, the driven surface (42) is provided with longitudinal racks (201) and transverse racks (202) that are perpendicular to each other and are in a cross shape; the rack teeth (22) of the longitudinal racks (201) and transverse racks (202) are respectively connected to the second tooth ends (222) at both ends in the rack width direction, and the end width of the second tooth ends (222) is smaller than the end width; The drive gear (1) includes a longitudinal drive gear (101) and a transverse drive gear (102); the teeth (12) of the longitudinal drive gear (101) and the transverse drive gear (102) are respectively connected to the first tooth end (122) at both ends of the drive gear (1) in the axial direction, and the end width of the first tooth end (122) is smaller than the end width. The longitudinal drive gear (101) meshes with the longitudinal rack (201) to form a longitudinal drive mechanism, and the transverse drive gear (102) meshes with the transverse rack (202) to form a transverse drive mechanism. When the longitudinal drive gear (101) drives the rail flatcar (4) to run in the longitudinal direction, the static transverse drive gear (102) passively passes through the tooth groove of the transverse rack (202) in the transverse direction based on the guidance of the second tooth end (222) and the first tooth end (122); when the transverse drive gear (102) drives the rail flatcar (4) to run in the transverse direction, the static longitudinal drive gear (101) passively passes through the tooth groove of the longitudinal rack (201) in the longitudinal direction based on the guidance of the first tooth end (122) and the second tooth end (222).

2. The gear and rack drive system according to claim 1, characterized in that, The driven surface (42) of the rail flatcar (4) is provided with casters (6); the system also includes U-shaped longitudinal and transverse tracks on which the rail flatcar (4) runs, the longitudinal drive gear (101) and the transverse drive gear (102) are arranged inside the grid of the U-shaped longitudinal and transverse tracks, and the casters (6) move within the U-shaped longitudinal and transverse tracks.

3. The gear and rack drive system according to claim 1, characterized in that, There are two longitudinal racks (201) and two transverse racks (202), which are distributed in a grid pattern on the driven surface (42) of the rail flatcar (4); The longitudinal drive gear (101) and the transverse drive gear (102) are arranged in terms of the number and length of the longitudinal rack (201) and the transverse rack (202), and the axles of the longitudinal drive gear (101) and the transverse drive gear (102) are perpendicular to each other. A longitudinal driven gear is provided on the longitudinal rack (201), and / or a transverse driven gear is provided on the transverse rack (202).

4. The gear and rack drive system according to claim 1 or 3, characterized in that, The intersection area of ​​the longitudinal rack (201) and the transverse rack (202) is distributed with multiple four-way teeth (3) in a matrix structure; the spacing between any two four-way teeth (3) is consistent with the spacing of the rack teeth (22).

5. A matrix-type automated warehouse, characterized in that, include: The automated warehouse (5) consists of multiple layers of cargo storage (501); each layer of cargo storage (501) is a grid-structured track network formed by several longitudinal tracks (51) and transverse tracks (52) intersecting perpendicularly. The gear and rack drive system as described in any one of claims 1-3; In this system, a track flatcar (4) is arranged on each track grid, and multiple symmetrically distributed casters (6) are arranged on the non-rack area of ​​the driven surface (42) of the track flatcar (4); the lateral spacing of the casters (6) is consistent with the spacing of the longitudinal track (51), and the longitudinal spacing of the casters (6) is consistent with the spacing of the transverse track (52); the casters (6) move on the longitudinal track (51) and the transverse track (52); Each grid is equipped with a longitudinal drive gear (101) and a transverse drive gear (102), which are driven by a longitudinal drive motor and a transverse drive motor, respectively.

6. The matrix-type automated warehouse according to claim 5, characterized in that, The drive system also includes: The lifting mechanism (7) is mounted on both sides of the automated warehouse and is used to connect with the longitudinal rails (51) and / or transverse rails (52) of each cargo storage layer (501). It is equipped with longitudinal rails (51) and / or transverse rails (52) that connect with the grid structure of the cargo storage layer (501). Longitudinal drive gears (101) and / or transverse drive gears (102) as well as longitudinal drive motors and / or transverse drive motors are also configured inside the track grid.

7. The matrix-type automated warehouse according to claim 6, characterized in that, The automated warehouse also includes an empty rail flatcar buffer layer (502) located below the bottom cargo storage layer (501). The lifting mechanism (7) has a double-layer bottom plate structure. The distance between the upper bottom plate (71) and the lower bottom plate (72) is the same as the distance between the lowest cargo storage layer (501) and the empty rail flatcar buffer layer (502). The upper bottom plate (71) and the lower bottom plate (72) are evenly provided with longitudinal rails (51) and / or transverse rails (52), as well as longitudinal drive gears (101) and / or transverse drive gears (102) and drive motors.

8. The matrix-type automated warehouse according to claim 6, characterized in that, Also includes: The fishbone conveyor line is located on the side of the cargo storage layer (501) and consists of a main line (91) and multiple branch lines (92) that are perpendicular to the main line (91). Among them, the main line (91) spans each lifting mechanism (7) of the automated warehouse; the branch line (92) is distributed on both sides of each lifting mechanism (7), with one side connecting to the lifting mechanism (7) and the automated warehouse (5), and the other end connecting to the cargo exchange platform (10).

9. A port container terminal, characterized in that, Based on the rack and pinion drive system as described in any one of claims 1-5, a U-shaped conveyor line (11) is laid out between the sea side and the dock side of the container yard (13). A container lateral conveyor line (111) is laid on the quay side of the U-shaped conveyor line (11); a container lateral conveyor line (112) is laid on the sea side of the yard of the U-shaped conveyor line (11); and two container reversing conveyor lines (113) connect the container lateral conveyor line (111) and the container lateral conveyor line (112). On the container transverse conveyor line (111) along the shore, the length direction of the container is along the shoreline; on the container transverse conveyor line (112) perpendicular to the shoreline, the length direction of the container is perpendicular to the shoreline. A rotating platform (114) is installed on two container reversing conveyor lines (113) to adjust the direction of the container being transported from the terminal side to the yard side from the direction along the shore to the direction perpendicular to the shore, and to adjust the direction of the container being transported from the yard side to the terminal side from the direction perpendicular to the shore to the direction along the shore; two vertical transverse conveyor lines (112) are installed on the rotating platform (114).

10. The port container terminal according to claim 9, characterized in that, Each layer of the container stacking yard (13) is equipped with the rack and pinion drive system, making the container stacking yard (13) a matrix stacking yard, so that no container needs to be overturned when any container is retrieved.

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