Road transport stereoscopic warehouse digital twin device

Abstract

The application provides a road transportation stereoscopic warehouse digital twin device, and relates to the technical field of transportation systems. The road transportation stereoscopic warehouse digital twin device comprises a classification mechanism with a built-in control system. The classification mechanism comprises a shell, multiple internal conveying belts are arranged in the shell in a vertical direction and are spaced apart horizontally, an entering frame is fixedly arranged on one side of the shell close to each internal conveying belt, a servo motor is fixedly installed on one side of the entering frame in the shell, an adjusting screw is fixedly connected to the output end of the servo motor, a lifting table is threadedly sleeved on the adjusting screw, a turnover table is hingedly installed in the lifting table, and an electric push rod is hingedly connected between the lower end of the turnover table and the inner bottom of the lifting table. Through integrated dual-mode identification and weight verification, the layout is optimized by relying on a frequency weighting algorithm, the transfer efficiency and accuracy are improved, the loss and cost are reduced, the logistics demand in multiple scenes is adapted, and digital twin collaboration is supported.

Description

Technical Field

[0001] This invention relates to the field of transportation system technology, specifically to a digital twin device for a road transport automated warehouse. Background Technology

[0002] The rapid development of the road transportation industry is driving the upgrading of automated warehouses towards automation and intelligence. The integration of digital twin technology with automated warehouses has become a key path to improve logistics turnover efficiency. Currently, the cargo classification and storage devices in automated warehouses mostly rely on manual assistance or single mechanical structures, resulting in insufficient accuracy in cargo identification and matching with storage locations, easily leading to classification errors or redundant storage paths. Some devices lack weight verification, making it impossible to promptly identify discrepancies between cargo information and actual weight, affecting the standardization of subsequent warehouse management.

[0003] Existing automated warehouses suffer from poor coordination between their conveying and sorting mechanisms, and insufficient stability in lifting, adjustment, and cargo transfer, making goods prone to shifting or damage during transit. Furthermore, most systems lack adaptive optimization capabilities, with fixed storage locations requiring high-frequency goods to traverse long transport paths to reach designated areas, increasing energy consumption and transfer time. These issues constrain the turnover efficiency of automated warehouses and fail to meet the high-efficiency demands of road transport logistics for rapid sorting and precise warehousing. Therefore, a digital twin device integrating accurate identification, stable transfer, and adaptive optimization is urgently needed to optimize the overall warehousing operation process. Summary of the Invention

[0004] Technical problems to be solved To address the shortcomings of existing technologies, this invention provides a digital twin device for road transport automated warehouses, which solves the problems of insufficient accuracy in cargo classification, poor transfer stability, and lack of adaptive optimization capabilities in existing automated warehouses.

[0005] Technical solution To achieve the above objectives, the present invention provides the following technical solution: a digital twin device for a road transport automated warehouse, comprising: A sorting mechanism with a built-in control system includes a housing. Inside the housing, multiple inner conveyor belts are horizontally spaced at intervals along the vertical direction. An entry frame is fixedly installed on one side of the housing near each inner conveyor belt. A servo motor is fixedly installed on one side of the housing corresponding to the entry frame. An adjusting screw is fixedly connected to the output end of the servo motor. A lifting platform is threaded onto the adjusting screw. A tilting platform is hinged inside the lifting platform. An electric push rod is hinged between the lower end of the tilting platform and the bottom of the lifting platform. Multiple push cylinders are evenly installed inside the sorting mechanism and are set on the upper surface of each inner conveyor belt. Each push cylinder has a push plate fixedly connected to its moving end. An input belt is used to carry logistics goods. The input belt is set at the entrance on one side of the sorting mechanism, and its output end is adapted to the position of the entry frame.

[0006] Preferably, stabilizing slide rods are fixedly provided on both sides of the adjusting screw inside the outer shell, and the lifting platform is provided with sliding holes adapted to the stabilizing slide rods, so that it is vertically slidably sleeved on the two stabilizing slide rods through the sliding holes.

[0007] Preferably, a weighing module is embedded in the platform of the lifting platform, and the detection surface of the weighing module is higher than the upper surface of the tilting platform.

[0008] Preferably, the lower end of the sorting mechanism is fixedly connected to a support frame, the height of which is adjustable, and the bottom of which is provided with an anti-slip pad.

[0009] Preferably, a scanning module is fixedly installed on the side of the housing near the input belt, and the scanning end of the scanning module faces the conveying path of the input belt to identify information markings on the surface of the goods.

[0010] Preferably, the front end of the sorting mechanism is fixedly connected to a separation frame, which has multiple independent channels. Each channel corresponds to the output direction of a push cylinder, and the outlet of each channel is matched with the corresponding storage location.

[0011] Preferably, each inner conveyor belt adopts a frequency conversion conveying structure and its surface is provided with anti-slip texture. The conveying speed of the inner conveyor belt is adapted to the action rhythm of the push cylinder.

[0012] A digital twin device control system for a road transport automated warehouse, wherein the control system is electrically connected to a scanning module, a weighing module, a servo motor, an electric push rod, a push cylinder and various transmission belts, and is used to receive cargo information from the scanning module and weight data from the weighing module, match preset storage locations and control the actions of each actuator. The control system has a self-learning optimization function, which counts the frequency of occurrence of different types of goods and optimizes the storage location of high-frequency goods to the area near the entrance of the sorting institution, thereby shortening the goods transportation path.

[0013] Beneficial effects This invention provides a digital twin device for a road transport automated warehouse. It has the following advantages: 1. This invention provides a digital twin device for a road transport automated warehouse. In this device, the scanning module accurately captures cargo information, and the weighing module synchronously verifies weight data. This dual verification mechanism avoids classification errors caused by information discrepancies. A servo motor drives the lifting platform in conjunction with a stable sliding rod to ensure smooth and deviation-free lifting. An electric push rod controls the tilting platform for precise unloading. The internal conveyor belt frequency conversion structure is adapted to the operating rhythm of the push cylinder, promoting efficient connection of the entire process from cargo identification to warehousing and reducing cargo transfer losses.

[0014] 2. This invention provides a digital twin device for a road transport automated warehouse. The control system in this device counts the frequency of occurrence of various goods in real time and automatically adjusts the storage location of high-frequency goods to be closer to the entrance area of ​​the sorting mechanism, shortening the transportation path and transfer time. The independent channels of the separation rack correspond one-to-one with the pushing cylinders and storage positions. Combined with the adaptability of the adjustable support frame, this enhances the versatility of the device in different automated warehouse scenarios, providing accurate physical operation data support for the digital twin system and promoting the intelligent upgrading of warehousing operations. Attached Figure Description

[0015] Figure 1 This is an isometric view of the present invention; Figure 2 This is an axonometric schematic diagram of the classification mechanism and related structures of the present invention; Figure 3 This is an isometric view of the classification mechanism of the present invention; Figure 4 This is a partial isometric view of the classification mechanism of the present invention; Figure 5 This is an axonometric schematic diagram of the lifting platform and related structures of the present invention; Figure 6 This is a schematic diagram of the control system of the present invention.

[0016] The components include: 1. Sorting mechanism; 2. Push cylinder; 3. Separating frame; 4. Input belt; 5. Push plate; 6. Support frame; 101. Outer shell; 102. Inner conveyor belt; 103. Scanning module; 104. Lifting platform; 105. Stabilizing slide bar; 106. Adjusting screw; 107. Entry frame; 108. Tilting table; 109. Electric push rod; 110. Weighing module; 111. Servo motor. Detailed Implementation

[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] like Figure 1-5 As shown, this embodiment of the invention provides a digital twin device for a road transport automated warehouse, including a sorting mechanism 1 with a built-in control system. A support frame 6 is fixedly connected to the lower end of the sorting mechanism 1. The height of the support frame 6 is adjustable, and its bottom is provided with an anti-slip pad. The sorting mechanism 1 includes a housing 101. Multiple inner conveyor belts 102 are horizontally spaced at intervals along the vertical direction inside the housing 101. An entry frame 107 is fixedly provided inside the housing 101 on one side near each inner conveyor belt 102. A servo motor 111 is fixedly installed inside the housing 101 on one side corresponding to the entry frame 107. The output end of the servo motor is fixedly connected to an adjustable... The adjusting screw 106 is threaded with a lifting platform 104. A tilting platform 108 is hinged inside the lifting platform 104. An electric push rod 109 is hinged between the lower end of the tilting platform 108 and the bottom of the lifting platform 104. Stable slide rods 105 are fixedly provided on both sides of the housing 101 corresponding to the adjusting screw 106. The lifting platform 104 has sliding holes adapted to the stable slide rods 105. It is vertically slidably sleeved on the two stable slide rods 105 through the sliding holes. A weighing module 110 is embedded in the platform surface of the lifting platform 104. The detection surface of the weighing module 110 is higher than the upper surface of the tilting platform 108. Specifically, in the above-described embodiment, the stabilizing slide rod 105 and the adjusting screw 106 are arranged in parallel, with the axial distance controlled within the range of 80-120mm. The clearance between the sliding hole and the stabilizing slide rod 105 does not exceed 0.5mm, which effectively limits the horizontal offset of the lifting platform 104 and improves the coaxiality of the vertical lifting process. The servo motor 111 adopts a high-precision stepper control mode, with the lifting positioning error controlled within ±1mm, adapting to the spacing requirements of the conveyor belts 102 in different layers. The extension stroke of the electric push rod 109 can be adapted and adjusted according to the size of the tilting table 108, with the tilting angle set within the range of 0-45°. This allows for the smooth driving of goods along the tilting table 108 to slide onto the inner conveyor belt 102, avoiding impact damage to the goods due to excessive tilting angle. The detection surface of the weighing module 110 is 0.3-0.8mm higher than the upper surface of the tilting table 108, ensuring that the goods can directly contact the detection surface after falling onto the tilting table 108. Weight collection can be completed without additional positioning, improving the timeliness and accuracy of weight verification, while avoiding mechanical wear on the module caused by the operation of the tilting table 108.

[0019] Multiple push cylinders 2 are evenly installed inside the sorting mechanism 1 and are set on the upper surface of each inner conveyor belt 102. Each push cylinder 2 has a push plate 5 fixedly connected to its moving end. Specifically, in the above-described embodiment, the pushing cylinder 2 adopts a single-acting structure, with the working air pressure controlled between 0.4-0.8 MPa and the piston rod extension speed adjustable to 50-150 mm / s. This allows for flexible adaptation of the pushing force according to the weight of the goods, avoiding problems such as excessive pushing force causing damage or insufficient pushing force preventing the goods from being pushed. The push plate 5 is made of elastic material with a non-slip rubber layer on its surface, with a thickness controlled between 8-15 mm. The distance between the plate and the upper surface of the inner conveyor belt 102 does not exceed 3 mm, allowing for full contact with the side of the goods to complete the pushing action while reducing rigid collisions with the goods during the pushing process. The installation position of each pushing cylinder 2 is aligned with the center line of the corresponding inner conveyor belt 102, with an axial deviation not exceeding 2 mm, ensuring accurate pushing direction and enabling the goods to accurately enter the corresponding channel of the separating frame 3, thus optimizing the continuity of goods transfer.

[0020] Input belt 4 is used to carry logistics goods. The input belt 4 is set at the entrance on one side of the sorting mechanism 1, and its output end is adapted to the position of the entry frame 107. Specifically, in the above embodiment, the input belt 4 is a polyurethane conveyor belt with a width adapted to the opening size of the entry frame 107. The conveying speed is infinitely adjustable within the range of 0.2–0.8 m / s, and it is linked to the operating cycle of the sorting mechanism 1. The horizontal distance between the output end of the input belt 4 and the entry frame 107 is controlled at 5–10 mm, and the vertical height difference does not exceed 2 mm. This prevents goods from getting stuck or falling when transferred to the entry frame 107, ensuring that the goods enter the sorting mechanism 1 smoothly. A tension adjustment component is provided below the input belt 4, which can adjust the tension in real time according to the wear degree of the conveyor belt, maintaining the stability of the conveying process and adapting to road transport logistics goods of different sizes and weights, thus expanding the applicability of the device.

[0021] A scanning module 103 is fixedly installed on the side of the outer shell 101 near the input belt 4. The scanning end of the scanning module 103 faces the conveying path of the input belt 4 and is used to identify the information markings on the surface of the goods. A separation frame 3 is fixedly connected to the front end of the sorting mechanism 1. The separation frame 3 has multiple independent channels, each channel corresponding to the output direction of a push cylinder 2. The outlet of each channel is adapted to the corresponding storage position. Each inner conveyor belt 102 adopts a frequency conversion conveying structure and its surface is provided with anti-slip texture. The conveying speed of the inner conveyor belt 102 is adapted to the action rhythm of the push cylinder 2. Specifically, in the above-described embodiments, the scanning module 103 adopts a dual-mode structure of visual recognition and barcode recognition. The scanning distance is set to 150-300mm, and the recognition response time is no more than 0.3s. It can quickly capture information markings such as QR codes and barcodes on the surface of goods. Even if the goods have slight deviations on the input belt 4, it can still accurately identify them, improving the error tolerance of information collection. The inner walls of each independent channel of the separating rack 3 are equipped with a wear-resistant coating. The channel width is 10-20mm larger than the maximum cross-sectional width of the corresponding goods. The channel length is designed to be adapted to the distance of the storage location, which can guide the goods to be transported along a fixed path and prevent the goods from deviating from the trajectory during the pushing process. The frequency conversion range of the inner conveyor belt 102 is consistent with that of the input belt 4. The anti-slip texture adopts a horizontally interlaced design with a texture depth of 1-3mm, which can enhance the friction with the bottom surface of the goods and prevent the goods from slipping during the transport process. The interval between the inner conveyor belt 102 and the push cylinder 2 is preset by the control system, and the interval time is controlled between 0.5 and 1.5 seconds. This ensures that the cylinder is started only after the goods have completely arrived at the push position, thus optimizing the collaborative operation efficiency of each mechanism.

[0022] like Figure 6 As shown, this embodiment of the invention also provides a digital twin device control system for a road transport automated warehouse. The control system is electrically connected to a scanning module 103, a weighing module 110, a servo motor 111, an electric push rod 109, a push cylinder 2, and various transmission belts. It is used to receive cargo information from the scanning module 103 and weight data from the weighing module 110, match preset storage locations, and control the actions of each actuator. The control system has a self-learning optimization function, which counts the frequency of occurrence of different types of goods and optimizes the storage location of high-frequency goods to the area near the entrance of the sorting mechanism 1, thereby shortening the cargo transportation path. Specifically, in the above-described embodiments, the control system uses a PLC controller as its core unit, with a data processing delay of no more than 0.5 seconds. It can simultaneously receive feedback signals from multiple modules and output control commands, ensuring the coordination of the actions of each actuator. The weight data comparison threshold is set at ±2%. When the actual weight collected by the weighing module 110 deviates from the preset data beyond the threshold, the control system immediately triggers an alarm and suspends operations to prevent abnormal goods from entering the warehousing process. The self-learning optimization function is based on a 7-30 day cargo transportation data statistical cycle and uses a frequency-weighted algorithm to dynamically adjust the storage location. Its core principle is to construct an optimization objective function by real-time statistical analysis of the turnover frequency of various types of goods, combined with the path distance between the storage location and the entrance of the classification institution 1, and to select the optimal storage layout scheme.

[0023] The specific algorithm logic is as follows: The turnover frequency of the i-th type of goods within the statistical period is set to f. i (Unit: times / cycle), the path distance between the j-th storage location and the entrance of sorting facility 1 is d. i(Unit: m), the adaptation weight of the corresponding storage location for each type of goods is w. i (Based on the weight and volume of the goods, the value ranges from 0.8 to 1.2), construct the optimization objective function: min∑(f i ×w i ×d i This means minimizing the weighted sum of all cargo turnover paths. A frequency threshold f0 is set (calibrated based on historical data, taking a value of 1.5-2 times the average frequency within the statistical period). When the average daily turnover frequency f0 of a certain type of cargo reaches a certain threshold over 3 consecutive days... i When (day) ≥ f0, the warehouse location adjustment procedure is triggered.

[0024] During the adjustment process, the storage area corresponding to the inner conveyor belt 102 on the 2nd-3rd floor closest to the entrance of the sorting facility 1 is prioritized for release. High-frequency goods are moved from their original locations to this area, and the weighted path sum is recalculated after the migration to verify the optimization effect. If the weighted path sum is reduced by ≥30% after optimization, the layout is fixed; if the target is not met, the storage locations of high-frequency and second-highest frequency goods are adjusted until the optimization objective is satisfied. This algorithm can dynamically adapt to changes in the turnover pattern of goods, and achieve precise optimization of the storage layout through quantitative calculation, reducing the transfer time of high-frequency goods by more than 30%, significantly reducing energy consumption and operating costs, and providing real-time and accurate operational data support for the digital twin system, promoting the collaborative synchronization of physical devices and digital models.

[0025] Working principle: The built-in control system coordinates the actions of all actuators to achieve fully automated operation of goods from transportation, identification, verification to classification and storage. During operation, the input belt 4 carries the logistics goods to the classification unit 1. When the goods arrive at the entrance of the classification unit 1, the scanning module 103 scans the information mark on the surface of the goods to complete the information collection and transmits the data to the control system. After receiving the information, the control system triggers the input belt 4 to send the goods into the entry box 107, and finally drop them onto the tilting table 108 of the lifting platform 104.

[0026] The weighing module 110 synchronously detects the weight of the goods and feeds the weight data back to the control system for comparison with preset information. After confirming that there is no deviation, the control system matches the corresponding storage location according to the goods information, and then determines the target inner conveyor belt 102 layer number. The servo motor 111 starts to drive the adjusting screw 106 to rotate, and the lifting platform 104 moves vertically along the two side stabilizing slide bars 105 to the target layer height. The electric push rod 109 extends and retracts, driving the tilting table 108 to tilt, so that the goods slide down to the corresponding inner conveyor belt 102.

[0027] The inner conveyor belt 102 moves the goods to the corresponding push cylinder 2 position according to the rhythm. The control system triggers the push cylinder 2 to act, and the push plate 5 pushes the goods into the corresponding independent channel of the separator 3, and finally transports them to the designated storage location. During the operation, the control system continuously counts the frequency of occurrence of various types of goods, dynamically optimizes the layout of storage locations, shortens the transfer path of high-frequency goods, and ensures the continuous and efficient operation of warehousing.

[0028] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A digital twin device for a road transport automated warehouse, characterized in that, include: A sorting mechanism (1) with a built-in control system includes a housing (101). Multiple inner conveyor belts (102) are horizontally spaced at intervals along the vertical direction inside the housing (101). An entry frame (107) is fixedly provided on one side of the housing (101) near each inner conveyor belt (102). A servo motor (111) is fixedly installed on one side of the housing (101) corresponding to the entry frame (107). An adjusting screw (106) is fixedly connected to the output end of the servo motor. A lifting platform (104) is threaded on the adjusting screw (106). A tilting platform (108) is hinged inside the lifting platform (104). An electric push rod (109) is hinged between the lower end of the tilting platform (108) and the bottom of the lifting platform (104). Multiple push cylinders (2) are evenly installed inside the sorting mechanism (1) and are set on the upper surface of each inner conveyor belt (102). Each push cylinder (2) has a push plate (5) fixedly connected to its moving end. The input belt (4) is used to carry logistics goods. The input belt (4) is set at the entrance on one side of the sorting mechanism (1), and its output end is adapted to the position of the entry frame (107).

2. The digital twin device for a road transport automated warehouse according to claim 1, characterized in that: The housing (101) is equipped with stabilizing slide rods (105) on both sides of the adjusting screw (106) inside. The lifting platform (104) is provided with sliding holes that are adapted to the stabilizing slide rods (105), and is vertically slidably sleeved on the two stabilizing slide rods (105) through the sliding holes.

3. The digital twin device for a road transport automated warehouse according to claim 1, characterized in that: A weighing module (110) is embedded in the platform of the lifting platform (104), and the detection surface of the weighing module (110) is higher than the upper surface of the tilting platform (108).

4. The digital twin device for a road transport automated warehouse according to claim 1, characterized in that: The lower end of the sorting mechanism (1) is fixedly connected to a support frame (6), the height of the support frame (6) is adjustable, and its bottom is provided with an anti-slip pad.

5. The digital twin device for a road transport automated warehouse according to claim 1, characterized in that: A scanning module (103) is fixedly installed on the side of the housing (101) near the input belt (4). The scanning end of the scanning module (103) faces the conveying path of the input belt (4) and is used to identify information markings on the surface of the goods.

6. The digital twin device for a road transport automated warehouse according to claim 1, characterized in that: The sorting mechanism (1) is fixedly connected to a separation frame (3) at its front end. The separation frame (3) has multiple independent channels, each channel corresponding to the output direction of a push cylinder (2), and the outlet of each channel is matched with the corresponding storage location.

7. The digital twin device for a road transport automated warehouse according to claim 1, characterized in that: Each inner conveyor belt (102) adopts a frequency conversion conveying structure and its surface is provided with anti-slip texture. The conveying speed of the inner conveyor belt (102) is adapted to the action rhythm of the push cylinder (2).

8. A digital twin control system for a road transport automated warehouse, characterized in that: The control system is electrically connected to the scanning module (103), the weighing module (110), the servo motor (111), the electric push rod (109), the push cylinder (2) and each transmission belt, respectively, and is used to receive the cargo information from the scanning module (103) and the weight data from the weighing module (110), match the preset storage location and control the actions of each actuator. The control system has a self-learning optimization function, which counts the frequency of occurrence of different types of goods and optimizes the storage location of high-frequency goods to the area near the entrance of the classification institution (1) to shorten the goods transportation path.

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