Operating method of conveying equipment, conveying equipment and application

Abstract

The invention relates to a method for operating a conveyor device (2) for conveying objects (70), the conveyor device (2) having: a circulating conveyor line (10) with one or more movable conveyor devices (20) for supporting the objects (70); the detection device (19) is fixedly arranged on the conveying line (10) and is used for detecting the conveying device (20) and / or the object (70); and a maintenance device (30) for detecting the transmission line (10), the method comprising: moving the maintenance device (30) along the transmission line (10); detecting the transmission line (10) by means of the maintenance device (30) in order to acquire information about the top side (12) and / or the bottom side (14) of the transmission line (10); and comparing the acquired information with previously known information about the transmission line (10) in order to check the function and / or alignment situation of the detection device (19). The invention also relates to a conveyor device (2) and a use.

Description

Technical Field

[0001] This invention relates to a method of operating a conveying device for conveying objects. The invention also relates to a conveying device for conveying objects and its uses. Background Technology

[0002] It is known that the transported object may become stuck in the transport equipment or be lost. On the one hand, this jeopardizes the transport equipment itself or its compliant operation. On the other hand, it jeopardizes the compliant transport of the object.

[0003] In addition, the conveyor equipment must be maintained regularly and repaired when necessary. This requires periodic shutdowns of the conveyor equipment, complex manual operations, and adherence to compliant labor protection regulations. Summary of the Invention

[0004] Therefore, the object of the present invention is to provide solutions that better realize the transfer or conveying of objects in a conveying device. In particular, it aims to improve the maintenance and repair of the conveying device. Especially, it aims to avoid or at least substantially reduce the disadvantages of solutions known from the prior art.

[0005] This objective is achieved by a method of operating a transmission device and a transmission device itself. Preferred improvements of the invention are shown in the accompanying drawings and the following description.

[0006] This invention reduces downtime associated with conveying equipment. It also improves occupational safety and health during maintenance and repair, as well as the durability of the conveying equipment. This invention may facilitate the operation of conveying equipment at higher speeds or transmission rates, as problems can be responded to more quickly. The design of this invention can further enhance the aforementioned advantages.

[0007] In particular, a conveying device for conveying objects is proposed, the conveying device having a circulating conveyor line with one or more movable conveying devices for supporting the objects. The conveying devices can be movably guided along the conveyor line. Along the conveyor line, a maintenance device for detecting the conveyor line and multiple conveying devices can be movably guided in a sequential arrangement. In particular, the conveying device has a maintenance device / the maintenance device for detecting the conveyor line, or has multiple maintenance devices. In particular, each of these conveying devices is designed for unloading objects placed or conveyed on it laterally along the conveyor line. In particular, the conveying device has a detection device fixedly mounted on the conveyor line for detecting the conveying devices and / or objects. The maintenance device particularly has a sensing device for detecting the conveyor line to obtain information about the top and / or bottom sides of the conveyor line. The maintenance device particularly has an actuator device for performing maintenance work on the conveyor line.

[0008] For example, a conveying system or cross-belt sorting machine is proposed as a technical solution for conveying equipment. This conveying system or cross-belt sorting machine has a maintenance unit or maintenance mechanism for inspecting the conveying line, wherein historical information can be compared with current information based on the inspection in order to identify or test a detection system for misalignment or malfunction of the conveying line.

[0009] In particular, a method of operating a transmission device / the transmission device is proposed, the method comprising: moving (a plurality of) maintenance devices and preferably (a plurality of) transmission devices along a transmission line; and detecting the transmission line by means of the maintenance devices to obtain information; and in particular comparing the obtained information with previously known information about the transmission line to check the function and / or alignment of the detection devices, and / or to find geometric deviations in the transmission line.

[0010] For example, a method for operating a conveyor system or cross-belt sorting machine is proposed through a technical solution targeting the method, wherein a maintenance unit or maintenance mechanism is configured to inspect the conveyor line. In this method, the conveyor unit and the maintenance unit move together or at the same speed (including at rest), while the conveyor unit inspects or detects the conveyor line or sorting line using sensors. Historical information can be compared with current information based on the inspection to identify or test misalignment or malfunctioning detection systems of the conveyor line. Thus, especially when the conveyor system is operating normally, problem areas can be identified, which can reduce downtime.

[0011] In particular, applications are proposed for, for example, remotely controllable maintenance devices that utilize sensors to detect the conveyor line of a conveyor designed for transporting objects to obtain information about the top and / or bottom sides of the conveyor line; and / or utilize sensors to detect the conveyor line of a conveyor designed for transporting objects to locate geometric deviations in the conveyor line; and / or utilize sensors to detect the conveyor line of a conveyor designed for transporting objects to check the function and / or alignment of a detection device fixedly mounted on the conveyor line, the detection device being designed to detect the conveyor and / or the object; and / or utilize actuators to perform maintenance work on the conveyor line of a conveyor designed for transporting objects. This application particularly provides a mode of operation for conveyor equipment that allows the conveyor line and maintenance device to move at the same speed. The conveyor equipment can particularly have sequentially arranged conveyor units, each of which can be designed to unload objects placed on it laterally along the conveyor line.

[0012] For example, a technical solution tailored to a specific application is proposed for the use of a maintenance unit in a transmission system, where the maintenance unit is used to locate problematic sections or localized deviations in the transmission line. The maintenance unit moves or operates together with the transmission unit or at the same speed (including when stationary).

[0013] Conveying equipment typically refers to facilities configured to transport objects from one location to another and / or distribute objects between different locations. Conveying equipment is usually automated, particularly including control via computer systems. Conveying equipment may include, for example, belts, rollers, tracks, drives, and / or other technical devices for conveying objects. For example, conveying equipment may have a moving conveyor belt, and in particular, the conveyor belt should be understood as a conveying device.

[0014] Conveying equipment is particularly arranged or installed in manufacturing plants, postal distribution centers, mail distribution centers, and / or other logistics and / or production facilities. In particular, conveying equipment may be installed in storage or production workshops, for example, for conveying objects as inventory items and / or production items.

[0015] "Object" can be a shipment or any transported goods or items that can move along a transport route. For example, an object can be luggage, boxes, cans, bottles, articles, merchandise, material flow, bulk cargo, etc.

[0016] Objects, especially as consignments, can include packages, parcels, letters, postal letters, palletized goods, etc. Objects generally refer to items and / or documents, with or without packaging. Objects are particularly designed for transport or distribution by means of conveying equipment. Objects can have different sizes, weights, or other characteristics. Objects can include: postal envelopes, document envelopes, letter envelopes, bubble envelopes, packaging materials, cartons, and / or pallets. Typically, an object weighs at least one gram. Objects can weigh several kilograms, such as 10, 20, 30, 50, or more kilograms. The dimensions of an object can range from one or several millimeters to one or several centimeters, decimeters, or meters in a particular orientation. The packaging of an object can be designed to protect the contents of the object from damage during transport or distribution. The object or its packaging can be bubble-filled and / or mechanically reinforced. Objects can be secured with tape or packing straps. It has been found that poorly packaged or inappropriately packaged objects (e.g., objects with protruding packaging material, tape, or other protrusions) or narrow objects may become stuck in conveying equipment. Here, the present invention can remedy this by using maintenance equipment.

[0017] Objects can be equipped with positioning systems to monitor and / or control their movement, especially during transport in conveying equipment. However, positioning systems are typically absent, which is why this invention seeks to remedy this by providing a maintenance device. In this respect, the maintenance device can have a positioning system.

[0018] A cyclical conveyor line specifically refers to the portion of a conveying device that allows objects to move in a continuous loop and / or along a defined path. Such a conveyor line may have a conveyor belt or belt, chain, and / or track configuration, which optionally allows objects to return to their starting point. For example, the conveyor line may be designed with attention to the adjustability of speed or conveying speed and / or the integration of sorting and processing stations along the conveyor line. Stations (e.g., automated loading and / or unloading stations) may be integrated or associated to enhance functionality. Conveyor lines typically have a top side / the top side and a bottom side / the bottom side. The top side and bottom side are particularly opposite sides to each other, for example, where the conveying device separates the top side and bottom side from each other. The top side may be referred to as the first side, and the bottom side may be referred to as the second side. Objects are typically located on the top side or the first side.

[0019] A conveying device is a movable part of a conveying system, intended to be moved, and / or provided for moving objects. Typically, a conveying system has one or more actuators that can move the conveying device(s). Multiple actuators can be distributed along the conveying line. The conveying device can be movable in the conveying direction or the main transport direction and / or designed to move objects in that direction. The conveying direction can extend in a straight line and / or at least extend in a curved manner in sections. For example, the conveying direction forms a closed loop or at least a generally continuous, particularly annular, loop. The conveying direction can extend and / or branch between its ends. A branched annular loop can also be provided.

[0020] A conveying device can be understood as a conveying component of a conveyor line, particularly one that should come into contact with an object placed or abutted. The conveyor line can be designed as a conveyor belt or have such a conveyor belt. In this respect, the conveying device can be a conveyor belt having brackets for one or more objects, and, if necessary, for maintenance devices. The conveying device is particularly configured for transporting one or more objects. Multiple conveyor belts can be provided. The conveyor line can be designed as a roller conveyor or have such a roller conveyor. In this respect, the conveying device can be designed as driven and / or freely rotating rollers for moving objects, wherein, particularly in this case, multiple rollers are provided.

[0021] One or more conveying devices may be provided. A conveying device may be one of multiple modular conveying elements of a conveying device, each of which may be configured to convey a single object. These multiple conveying devices or elements may be arranged sequentially along a conveying line or conveying direction and, in particular, pivotally interconnected. In this respect, the conveying devices may form a loop or an associated chain. Thus, the conveying devices may move together or at the same speed. Maintenance devices may be surrounded by and connected to the conveying devices both in front and behind along the conveying direction, and in particular, in a manner similar to or the same as the connection between the conveying devices themselves. The conveying devices and / or maintenance devices may be guided by tracks. The conveying line may have tracks for (multiple) conveying devices and, if necessary, for (multiple) maintenance devices.

[0022] A maintenance device refers, for example, to a system or device configured to monitor or diagnose the condition and performance of a transmission line and / or to assist in this process. The maintenance device may include sensors, cameras, and / or other instruments capable of detecting information about the condition of the transmission line. The maintenance device may be remotely controllable, which in particular may mean at least: transmitting information from the maintenance device to a computer device (e.g., to a remote controller), and optionally operating the maintenance device remotely. The maintenance device may be designed for transmitting information. Information may be analyzed, in particular, on the maintenance device itself and / or at other locations, to, for example, plan maintenance work and / or identify problems before they lead to failure. The maintenance device may include software tools configured to visualize information and / or make recommendations regarding maintenance intervals and repairs. The maintenance device may be battery-powered and / or powered along or by the transmission line. The maintenance device can be understood as an unmanned vehicle and / or object that moves, in particular, along the transmission line, preferably with or at the same speed as the transmission device or multiple transmission devices. The maintenance device may have its own drive and / or be driven by the transmission line.

[0023] In the context of conveying devices designed for unloading objects placed or conveyed on them laterally across the conveyor line, cross-belt conveyors or cross-belt sorters (also known as sorters) may be mentioned. A cross-belt conveyor is a system typically designed to move objects primarily along the conveying direction as the main transport direction and laterally across the conveying direction during unloading. This system particularly enables lateral movement and / or allocation of objects in the conveying direction, either to a resting state, to allocation to another processing station, and / or to another conveying device. Cross-belt conveyors typically have multiple laterally arranged conveyor belts or tiltable chutes that move along the conveying direction. The conveyor belts or chutes can move independently of each other to unload objects, allowing them to be unloaded or allocated to specific locations and / or stations.

[0024] The conveying equipment can be designed as a pallet sorter. A pallet sorter has multiple conveying devices that utilize carriers in the form of pallets or compartments to transport and unload objects. Pallet sorters can be designed as tilting pallet sorters, split-tray sorters, or push-type pallet sorters.

[0025] Conveying equipment, particularly cross-belt conveyors, may include integrated scanners or other identification systems as detection devices (multiple devices) involved in the transport of objects, particularly the sorting and distribution of objects. Detection devices specifically refer to fixedly installed monitoring and / or identification systems designed, for example, to detect different sections and / or portions of the conveyor line and / or objects located thereon. Detection devices may have one or more components, such as photoelectric sensors, cameras, sensors, scanners, or other measuring devices, which can continuously collect data on the status of the conveyor and the characteristics of the transported objects. Detection devices are typically fixedly integrated and / or directly connected to the conveyor line, thereby enabling continuous or on-the-go detection, monitoring, and / or data detection. Detection devices can, for example, identify the size, weight, type, orientation, and / or condition of objects. Detection devices and / or maintenance devices can identify the technical condition of the conveyor line or locate functional faults in the conveyor line. Typically, the information acquired by the detection devices is used for object distribution. When a detection device malfunctions or is misaligned, this can lead to operational failures and / or the conveyor equipment may enter a standby state.

[0026] Sensing devices for detecting transmission lines specifically refer to sensors, sensor assemblies, and / or devices equipped with sensors designed to collect information about the top and / or bottom sides of the transmission line. Sensing devices are specifically designed for detecting transmission lines, and more precisely, configured for this purpose. Sensing devices can be used to identify features such as the three-dimensional dimensions of the transmission line, wear conditions, damage / defects, or other structural characteristics. Sensing devices may include at least cameras, optical sensors, ultrasonic sensors, radar sensors, laser sensors, LiDAR sensors, infrared sensors, and / or tactile sensors to acquire information. Different sensors may be useful depending on the application. Sensing devices can be configured to measure static and / or dynamic characteristics (e.g., vibration modes of the transmission line) that can provide information about the ongoing operational status.

[0027] Actuating devices particularly include movable systems or auxiliary devices that can perform maintenance and repair work on conveyor lines. Actuating devices can include various types of actuators, especially robotic arms, tool carriers, and / or special modules or tools that can be used for maintenance work (such as lubrication, cleaning, repair, replacement of worn parts, or calibration). Actuating devices are, for example, equipped with a control system, which is particularly configured to control based on acquired information and / or based on user commands. The actuator device or control system can be programmed to perform maintenance work so as to, for example, not interfere with the operation of the conveyor equipment or to minimize interference with it. Maintenance devices, especially those with actuators, can help improve the availability of conveyor equipment by reducing the need for manual intervention and performing the work essentially on their own. At the same time, maintenance devices, especially those with actuators, can improve occupational safety by keeping people away from potentially hazardous maintenance tasks.

[0028] The process involves comparing the acquired information with previously known information about the transmission line, particularly through computer-implemented methods. This comparison specifically refers to a target-to-actual comparison. On one hand, the actual environment can be detected; on the other hand, the actual environment can be compared with the original or desired target environment. For example, if there is sufficient discrepancy between these information, a geometric deviation can be inferred. Based on the acquired information, not only can the existence of a geometric deviation be identified, but its location can also be determined. The search specifically refers to the identification and localization of the deviation. This comparison is advantageously used to check the functionality or alignment of detection devices. Here, the deviation between the actual and the target also indicates a corresponding indication that the detection device is not properly aligned or is malfunctioning.

[0029] The following provides alternative design possibilities for the invention, which can be advantageously applied to transmission devices and methods.

[0030] Maintenance devices are, for example, devices carried on the conveyor line. Maintenance devices can be designed to be installed or mounted on the conveyor. Maintenance devices can be, in particular, fixed to a bracket on the conveyor. Maintenance devices can also be sequentially and movably guided along the conveyor line with one or more conveyor devices, especially in which case the maintenance device can form an integral part of the conveyor line. In this respect, the maintenance device can replace the conveyor device.

[0031] The conveying equipment may have a detection device fixedly mounted on the conveying line. The detection device may be fixed in position, meaning it is not moved when (or multiple) conveying devices move. The detection device may have sensors and / or photoelectric sensors, for example, to detect and / or measure objects. Typically, the detection device is arranged or aligned relative to (or multiple) conveying devices at a specific height and / or angle. The detection device can be adjusted. Provided the detection device is functionally compliant, it can, for example, detect objects at a specific height and / or identify whether the corresponding conveying device is conveying an object.

[0032] The sensing device may have a camera located on the top side and / or the bottom side. For example, the sensing device or camera may be oriented along and / or against the conveying direction, and / or upwards or downwards. The sensing device may be pointed at the nearest (or multiple) conveying devices. The sensing device can particularly detect barriers along the conveying line. The sensing device can provide image or video signals as information. The camera signal can enable the identification of areas requiring maintenance, stationary objects, geometric deviations in the conveying line, etc.

[0033] Advantageously, the sensing device can have an illumination device for illuminating the transmission line. The illumination device is specifically designed and configured for illuminating the transmission line. For example, the illumination device has an LED light source, which is combined with a reflector for the light emitted from the LED light source. A camera can be combined with the illumination device to make the acquired images or video signals of the internal parts of the transmission equipment (which are typically poorly lit) particularly bright or of high contrast.

[0034] In particular, the orientation of the sensing device can be adjusted by a motor. For example, the orientation of the camera and the lighting device can be adjusted together. An adjustment motor can be provided. For example, it can be proposed that the orientation of the sensing device can be adjusted within an effective range of at least 45°, preferably at least 90°, preferably at least 180°, and especially 360°. For example, this effective range can extend in the horizontal plane of the conveyor line and around a vertical axis. In this respect, the sensing device can even rotate a full circle around the vertical axis. The sensing device can also optionally be oriented around one or two other axes in space. Therefore, especially during the operation of the conveyor equipment, targeted inspections can be carried out along the conveyor line, starting from the maintenance device.

[0035] A remote controller may be provided for remote control or operation of the transmission line and / or maintenance equipment. The remote controller is specifically designed for remote control or operation, and more precisely, configured specifically for this purpose. The remote controller is particularly designed for displaying information, for example, via a display. The remote controller can be designed as a mobile device and / or a battery-powered device. The remote controller can be provided by a computer device (e.g., a laptop, smartphone, and / or tablet). The remote controller typically has input devices (such as a keyboard and / or touchscreen) and / or output devices (such as a display and / or speakers). The remote controller can be configured, for example, to adjust the orientation of the sensing devices and / or specify the transmission speed and / or direction of the transmission line. The remote controller is particularly designed for communicating with the maintenance equipment to, for example, transmit information and / or send control commands. This communication is preferably wireless and / or bidirectional communication, for example, using wireless communication methods (e.g., 4G, 5G, WLAN, and / or Bluetooth). The remote controller makes the maintenance or repair of the transmission equipment easier.

[0036] Preferably, a visualization device is provided. The visualization device may have a display and / or projection device for displaying or visualizing information, for example. The visualization device is particularly designed for displaying information using augmented reality and / or virtual reality. The visualization device may have 3D glasses, VR glasses, etc. The visualization device may communicate with a remote controller and / or maintenance device (especially wirelessly and / or bidirectionally) using, for example, wireless communication methods (e.g., 4G, 5G, WLAN, and / or Bluetooth).

[0037] Preferably, a positioning device is provided for determining the position of the maintenance device along the conveyor line. In particular, the maintenance device has a marker to optically indicate its position. This marker can be a prominent element, such as a flag. Alternatively or supplementarily, a light-emitting element can be used as the marker. The positioning device may also have a speaker for outputting sound. Alternatively or supplementarily, the positioning device can determine the position of the maintenance device along the conveyor line and provide that position as part of the information. With the aid of the positioning device, the user can easily identify the location of the maintenance device.

[0038] The conveyor line may have enclosures, particularly to shield the conveying device from the sides and / or bottom. The enclosures may be arranged at least in sections along the conveyor line. The enclosures may have openings or flaps to allow sectional access to the conveyor line, particularly from the side. The enclosures preferably have at least one sidewall or two opposing sidewalls. A gap, for example, at least 0.5 cm wide and, for example, up to 10 cm, may be provided between the conveying device and the enclosure or sidewall. The enclosures may be designed to laterally define the conveyor line or serve as its edge boundary. The enclosures may be used as edge boundaries on the sides of (multiple) conveying devices. The enclosures may also be arranged in sections below the conveying device. The enclosures particularly provide lateral protection and, where necessary, protection from above or below. The enclosures particularly protect the moving conveyor from unintentional human interference.

[0039] Advantageously, the maintenance device has actuators that are particularly remotely operable. The actuators are specifically designed for performing maintenance work on a conveyor line, and are specifically configured for this purpose. The actuators are particularly designed for performing movement in space or movement relative to the conveyor line. For example, the maintenance device can be remotely operated by means of a remote controller, wherein the actuators can perform controlled movement and / or maintenance work. For example, the actuators can be designed for replacing parts or sections of conveyor equipment and / or objects, moving them and / or deforming them, and are specifically configured for this purpose. A typical feature of the actuators is that they can perform actuated relative movement relative to the conveyor line or relative to the conveyor, especially relative to the maintenance device itself, which is remote from the actuators. The actuators can be designed to be electrically, hydraulically, and / or pneumatically operable. Multiple actuators can also be provided, for example, one or more actuators located on the top side and / or one or more actuators located on the bottom side. Typically, the actuators have one or more drives.

[0040] Advantageously, the actuator device may have or be formed from a robotic arm, particularly wherein the robotic arm is provided with a sensing device and / or preferably a tool for moving an object, or has such a sensing device and / or tool. The tool is particularly designed for moving an object, and is specifically configured for this purpose. The tool may, for example, have a gripper. Multiple tools may be provided, particularly on the robotic arm. The robotic arm typically has a plurality of mutually spaced pivot axes and at least one robotic arm element with at least two of the pivot axes. Experience has shown that robotic arms are very flexible in repair and maintenance work.

[0041] In the proposed method, geometric deviations can be identified by comparing the acquired information with previously known information. Geometric deviations can include stationary and / or jammed objects. Alternatively or additionally, geometric deviations can include at least sectional openings and / or defective enclosures of the transmission line. Geometric deviations can also be particularly rough contaminants. These geometric deviations have been shown to be common sources of failure in the operation of transmission equipment. It has also been shown that these geometric deviations can be well identified using the provided method. For example, the transmission line can be monitored and / or inspected during operation by means of comparison to quickly identify problems and eliminate their causes.

[0042] In the proposed method, the functionality and / or alignment of the detection device can be checked by comparing the acquired information with previously known information. For example, it can be determined whether the height set by the detection device or photoelectric sensor, their alignment, and / or their compliant operation are correct. Signal checks can be performed on the detection device. Overall, the functionality of the transmission equipment can thus be checked, enabling intervention, for example, in abnormal situations. For example, the transmission line can be inspected in sections with detection devices. The previously known information may specifically relate to the detection device or the section with the detection device. In this respect, the comparison can focus on the detection device to ensure its functionality.

[0043] The transmission line can be inspected cyclically. For example, the transmission line can be inspected continuously, at the end of each cycle, and / or substantially continuously, in order to respond to problems as promptly as possible. Alternatively, the transmission line can be inspected at regular time intervals (e.g., hourly or daily) to save resources.

[0044] Operations, detections, and optional comparisons can be performed simultaneously. The steps of this method can overlap in time or be performed sequentially. In principle, detection can be performed during movement or independently of movement. Comparisons can also be performed later in time, for example, information can be collected first and evaluated later through comparison. Preferably, operations, detections, and comparisons are performed simultaneously to identify problems on the transmission line as quickly as possible.

[0045] Maintenance devices can be fixed above and / or below the conveyor, particularly to the conveyor itself. For example, the maintenance device can be fastened and / or fixed to the corresponding conveyor. This ensures that information acquired at different points in time is as organized as possible. Combined with fencing, the organization of the acquired information can also be improved.

[0046] It can be proposed that previously known information be generated by performing an initial inspection of the transmission line using a maintenance device. This initial inspection is preferably performed when the transmission line is ready to transport an object and is in its initial state. In other words, when the previously known information is detected, the transmission line should be fault-free and in ideal condition. It is also conceivable that the acquired information be used as previously known information to identify sudden and / or minimal geometric deviations.

[0047] In this method, the maintenance device can be operated remotely, particularly by means of a remote controller / and / or a visualization device / the visualization device to display and / or store information, the visualization device being designed to display information by means of augmented reality and / or virtual reality. For example, a user can remotely control the transmission line to move the maintenance device to a geometric deviation and / or to a detection device, especially when the user can see inside the transmission equipment.

[0048] In this method, the maintenance device can perform maintenance work. Maintenance work can be implemented via user commands and / or by user control. Maintenance work may include repairing the conveyor line and / or moving stationary objects and / or aligning and / or checking the function of the detection device. For example, parts of the conveyor equipment may be inspected, repaired, and / or replaced. The height of the detection device may be adjusted and / or signal checks may be performed on the detection device. Ultimately, this method can be proposed to perform maintenance or repair on the conveyor line. In particular, local defects, such as stationary objects, geometrically deformed and / or misaligned detection devices, can be cleared through user operation by means of actuator devices, especially by means of a remote controller, and / or by means of a visualization device. For example, the maintenance device may adjust or calibrate the detection device, particularly automatically.

[0049] Data on the maintenance work performed can be stored in a database. Taking into account the stored data, repetitive maintenance tasks can be performed automatically. The database can be provided by a maintenance device, a remote controller, a central computer device, and / or the cloud. In particular, a learning system can be set up, storing previously performed maintenance or repairs, which can be automatically implemented according to a known model if they occur again later. Repetitive maintenance tasks involve not only repairs but also stationary or jammed objects or aligning or inspecting detection devices. For example, if the maintenance device has been trained accordingly, maintenance and / or repairs on specific parts of a conveyor line can be performed automatically. For example, the lubrication of specific mechanical parts can be automated. Areas of the conveyor equipment prone to jamming can also be handled automatically by moving the object using a maintenance device.

[0050] Geometric deviations can include, in particular, larger amounts of dirt and / or contaminated areas of the conveyor line to be cleaned. Maintenance devices can be designed for cleaning the conveyor line and / or the detection devices. For example, the maintenance device can have cleaning devices or tools, such as brushes or compressed air nozzles for directional output of compressed air. A robotic arm can be designed for cleaning. For example, cleaning devices or tools can be used on the conveyor line by means of a robotic arm. In this method, cleaning can be provided by the maintenance device, for example, by mechanical contact (e.g., brushes) and / or non-contact (e.g., compressed air) to clean the conveyor line and / or the detection devices.

[0051] Within the scope of this disclosure, the abbreviation “bzw.” represents the short form of “beziehungsweise (and / or)” and, in principle, should indicate alternative, substantially equivalent, and / or synonymous features or terms to make the idea or meaning of the feature or term usage similar. “Beziehungsweise” can always be replaced by “und / oder (and / or)”. Attached Figure Description

[0052] The present invention will now be described in further detail with reference to the accompanying drawings and preferred embodiments.

[0053] In the attached diagram:

[0054] Figure 1A A schematic diagram illustrates a conveyor system for transporting objects and equipped with maintenance devices.

[0055] Figure 1B A perspective view shows a maintenance device for the conveying equipment and a conveying device sequentially connected to the maintenance device; and

[0056] Figure 1C The maintenance device for the transmission equipment is shown in a three-dimensional view.

[0057] The reference numerals in the attached figures are explained as follows:

[0058] 2: Conveying equipment

[0059] 4: Teleportation direction

[0060] 10: Transmission Line

[0061] 12: Top side

[0062] 14: Bottom side

[0063] 16: Construction site fence

[0064] 17: Driver

[0065] 18: Cover

[0066] 19: Detection device

[0067] 20: Conveying device

[0068] 22: Bracket

[0069] 24: Connection Area

[0070] 30: Maintenance device

[0071] 31: Sensing device

[0072] 32: Camera (top side)

[0073] 34: Camera (bottom side)

[0074] 36: Lighting device

[0075] 38: Positioning device

[0076] 40: Actuator device

[0077] 50: Remote Controller

[0078] 60: Visualization device

[0079] 70: Object Detailed Implementation

[0080] Figure 1A A conveying device 2 is shown, designed for conveying an object 70. This device has a conveying line 10 that continuously, loops, or circulates along the conveying direction 4. A maintenance device 30 and multiple (not shown in detail) conveying devices 20 are movably guided along the conveying line 10 in a sequential or interconnected manner. A drive 17 along the conveying line causes the chain consisting of the conveying devices 20 and the maintenance device 30 to move forward in a loop.

[0081] Additional maintenance devices 30 are mounted on or fixed to one of the conveying devices 20. Each of the conveying devices 20 is designed to unload objects 70 placed or conveyed thereon laterally to the conveyor line 10. Multiple sorting or processing stations 1 are externally connected to the conveyor line 10 from which objects 70 can be loaded onto the conveying devices 20, or unloaded from the conveying devices 20 onto these stations 1. In particular, the conveying devices 2 are designed as cross-belt sorters or cross-belt conveyors. Alternatively or supplementarily, the conveying devices 2 are designed as pallet sorters.

[0082] Here, the maintenance device 30 is remotely controllable or remotely operable, that is, the maintenance device 30 can send information and optionally receive and execute commands.

[0083] Not shown is a conveying device with a conveyor line, in which exactly one conveyor is movably guided along the conveyor line. For example, this could be a belt conveyor, in which maintenance equipment is mounted on or fixed to the belt conveyor and conveyed together. The belt conveyor can be designed as a continuous loop or as a loop of line segments with at least two ends.

[0084] Not shown are conveying devices with conveyor lines, in which multiple or numerous conveying devices for conveying objects are movably arranged along the conveyor line. For example, this could be a roller conveyor, in which maintenance devices are mounted on the roller conveyor and conveyed together. The roller conveyor can be designed as a continuous loop or as a loop of line segments with at least two ends.

[0085] In addition, Figure 1A In the transmission line 10, a detection device 19 is fixedly installed. This detection device has a photoelectric sensor located on the top side, which functions, for example, to detect an object 70 at a specific height or not to detect it based on the height. The detection device 19 is adjustable or can be aligned.

[0086] The conveyor line 10 has a enclosure 16 to cover the conveyor 20 and maintenance device 30 on the sides and optionally the bottom. The enclosure 16 can be opened in sections, for example by means of a cover 18 or a flip cover, to allow access to the conveyor line 10. The cover 18 or flip cover can be understood as a fence.

[0087] Object 70 may get stuck between the conveyor 20 and the barrier 16 or fall into a gap. This is referred to as a stationary object 70 or a stationary transport. If the object 70 is relatively flat, it may also reach the area below the conveyor line 10, i.e., the bottom surface.

[0088] Figure 1B by Figure 1AA partial view of the conveying device 2 shows a single conveying device 20, which is sequentially connected to the maintenance device 30 for joint movement. Each conveying device 20 has a tray 22 for placing an object 70, which can be tilted laterally to the conveying direction 4 to unload the correspondingly placed object 70, and / or the tray is a conveyor belt oriented laterally to the conveying direction 4, which can transport or unload the correspondingly placed object 70 laterally to the conveying direction 4. The conveying devices 20 are connected to each other, and the conveying device 20 shown is also connected to the maintenance device 30 in the connection area 24. The connection area 24 provides movement clearance, for example, at the bends of the conveying line 10.

[0089] Figure 1B The maintenance device 30, like the conveyor 20, is guided by a track and can move at the same speed as the conveyor 20. The maintenance device 30 can be considered a maintenance unit. Here, the maintenance device 30 has two remotely operable actuators 40, which are designed to perform maintenance work on the conveyor line 10. Each actuator 40 has a robotic arm, and the respective robotic arm is equipped with a sensor 31 and a tool for gripping and moving the object 70.

[0090] The tool may have a suction device and / or a device for clamping the object 70 by negative pressure. Therefore, the object 70 can be selectively suctioned, thereby temporarily fixing it to the tool and allowing it to move.

[0091] The sensing device 31 is accordingly designed to detect the conveyor line 10 to obtain information about the top side 12 and bottom side 14 of the conveyor line 14. The sensing device 31 has a camera 32 located on the top side 12 and a camera 34 located on the bottom side 14. Furthermore, the sensing device 31 has an illumination device 36 for illuminating the conveyor line 10, preferably from within and / or within the field of view of the cameras 32, 34. The orientation of the sensing device 31 can be adjusted by a motor. In particular, the orientation of the cameras 32, 34 and / or the corresponding robotic arms can be adjusted.

[0092] The maintenance device 30 may optionally have a positioning device 38 for knowing the position of the maintenance device 30 along the conveyor line 10. The maintenance device 30 has markings, such as flags, to optically mark the position of the maintenance device 30 (especially in a way that is easily identifiable from the outside).

[0093] Figure 1CAn additional maintenance device 30 for the conveyor 2 is shown, which can be fixed (e.g., placed and / or fastened) to the conveyor 20 for movement along the conveying direction 4. The maintenance device 30 has a camera 32 located on the top side 12 and at least one lighting device 36. The camera 32 and the lighting device 36 can optionally be directionally adjusted via an actuator device 40. As an alternative to or supplement to the actuator device 40, a manually adjustable arm may also be provided.

[0094] Reference Figure 1A A remote controller 50 is provided, which is designed for remotely operating the transmission line 10 and maintenance device 30, particularly the actuator device 40, wherein the remote controller 50 is designed for displaying information. The maintenance device 30 can send information. The remote controller 50 can store information, for example, in a database. The remote controller 50 is designed for wireless communication with the maintenance device 30 and optionally with the transmission line 10. The transmission device 2 can be moved via the remote controller 50, particularly through user input, and / or the orientation of one of the robotic arms or cameras 32, 34 can be adjusted. Information acquired by the sensing device 31 can be at least partially viewed on the remote controller 50. For example, the user can identify whether object 70 is stuck and where it is stuck. Smartphones, tablets, and / or computers with screens can be used as the remote controller 50, capable of communicating with one or more maintenance devices 30 via wireless communication methods (e.g., 4G, 5G, WLAN, and / or Bluetooth).

[0095] Optionally, a visualization device 50 is provided, which is designed to display information using augmented reality and / or virtual reality. Here, the visualization device may be VR glasses worn by a user participating in the maintenance of the transmission equipment 2. The visualization device may communicate with one or more maintenance devices 30, either in conjunction with a remote controller 50 or independently, to display contents and / or control the transmission line 10 and / or the maintenance devices 30. The visualization device 50 may communicate with one or more maintenance devices 30 and / or the remote controller 50 via wireless communication methods (e.g., 4G, 5G, WLAN, and / or Bluetooth).

[0096] The operation method of the conveyor 2 includes moving one or more maintenance devices 30 along the conveyor line 10, in particular by moving the conveyor 20. The movement of the maintenance devices 30 is particularly achieved by the power consumption of the drive 17 and, more particularly, via the conveyor 20. In particular, the operation method is implemented at least in part by a computer.

[0097] The operation method also includes: using (multiple) maintenance devices 30 to detect the transmission line 10 to obtain information. Sensors 31 detect the top side 12 and the bottom side 14, allowing the user to visually inspect hard-to-reach and / or enclosed parts of the transmission line 10.

[0098] The method of operation also includes comparing the acquired information with previously known information about the transmission line 10. This comparison is, for example, configured to check the functionality and alignment of the detection device 19 and to look for geometric deviations in the transmission line 10. Geometric deviations may involve stationary or stuck objects 70, or contaminants, and may involve sectionally opened or defective barriers 16.

[0099] In the operation method, the transmission line 10 is cyclically inspected using the maintenance device 30. This method quickly identifies whether and where geometric deviations exist. Operation, inspection, and comparison are performed simultaneously, with the inspection and comparison being primarily or largely computer-implemented steps.

[0100] Alternatively or supplementarily, the transmission line 10 is inspected in the section with the detection device 19, where previously known information is relevant to the detection device 19. Here, the operation method can be substantially focused on the inspection or maintenance of the detection device 19.

[0101] In the operation method, the maintenance device 30 can perform maintenance work by means of the actuator device 40, which includes repairing the conveyor line 10, moving the stationary object 70, and aligning and inspecting the detection device 19. Data about the performed maintenance work can be stored in a database, and repetitive maintenance work can be automatically performed by taking the stored data into account. The maintenance device 30 or its actuator device 40 can be operated remotely, in particular, by means of a remote controller 50. Advantageously, the user can use a visualization device 60 to display geometric deviations as an overlay on the conveyor device 2 within the user's field of vision. Therefore, the user can remotely control the maintenance device 30 from the outside to remove or repair geometric deviations or perform maintenance work.

[0102] The operating method also proposes that when the conveyor line 10 is ready to convey the object 70 and is in its initial state, previously known information is generated by performing an initial inspection of the conveyor line 10 using the maintenance device 30. In this regard, the compliant original state or factory state of the conveyor line 10 can be recorded so that geometric deviations in the acquired information can be well identified.

[0103] The maintenance device 30 has various application possibilities. In operation, a stationary object 70 can be moved using the maintenance device 30. Dirt can be identified as geometric deviations using the maintenance device 30, and removed, in particular, by cleaning using the maintenance device 30. If the detection device 19 is misaligned, it can be aligned using the maintenance device 30. Open barriers 16 (e.g., activated safety devices) can be identified using the maintenance device 30, and can be closed or reported if necessary. Damage to barriers 16 or side walls can be identified using the maintenance device 30, and can be repaired or reported if necessary.

[0104] In particular, an improvement is shown and described in which a maintenance unit or maintenance device 30 (e.g., Figure 1B The maintenance unit (shown in the diagram) replaces the sorting machine or conveyor 2 (especially a cross-belt sorting machine or cross-belt conveyor) with a sorting unit or conveyor device 20. The maintenance unit is characterized by the ability to simultaneously detect the environment above and below the sorting machine or conveyor line 10 (i.e., on the top side 12 and bottom side 14) using sensors, particularly optical vision cameras 32, 34. Remote operability of the maintenance unit and the sorting machine is provided. Dirt, stationary objects 70, defects, missing caps, etc., can be identified during manual operation. The user or operator can observe the maintenance unit using a visualization device 60 in the form of VR glasses, and / or by a computer. When the conveyor 2 is running, the maintenance unit or maintenance device 30 can observe the conveyor line 10 segmentally and / or continuously. It can automatically determine whether an object 70 is stuck and where, or whether there are other geometric deviations or maintenance needs, for example, at a detection device. This is achieved, in particular, through an automated target-to-actual comparison using a "comparison" method step. In other words, environmental differences can be compensated for, for example, by means of the target environment of the transmission line that is at least segmented, especially by means of the enclosure 16. The location of the "problem area" (stuck / stationary object 70, geometric deviation, detection device to be inspected or adjusted, etc.) can be automatically located so that the corresponding maintenance work or repair can be planned or performed.

[0105] Another embodiment of this improvement proposes: a maintenance device 30 in the conveying device 2 (e.g., Figure 1CThe maintenance device 30 (shown in the diagram) is driven by one or more conveying devices 20. The conveying device 2 can be a conveyor belt and / or a roller conveyor. Essentially, it can be proposed that the maintenance device 30 is driven or conveyed along with the object 70. Here, the maintenance device 30 can synchronously detect the environment, at least above the conveyor line 10 of the conveying device 2 or on the top side 12, using a sensor, for example, a camera 32 for optical vision. Remote operability and / or the features described in the preceding paragraph can also be provided.

[0106] A method of operation for a conveying device 2 for conveying an object 70 is shown and described. The conveying device 2 has: a circulating conveying line 10 having one or more movable conveying devices 20 for supporting the object 70; a detection device 19 fixedly mounted on the conveying line 10 for detecting the conveying devices 20 and / or the object 70; and a maintenance device 30 for detecting the conveying line 10. The method includes: moving the maintenance device 30 along the conveying line 10; detecting the conveying line 10 by means of the maintenance device 30 to obtain information about the top side 12 and / or bottom side 14 of the conveying line 10; and comparing the obtained information with previously known information about the conveying line 10 to check the function and / or alignment of the detection device 19.

[0107] The maintenance device 30, which is particularly remotely controllable, is shown and described using a sensing device 31 to detect the purpose of the transmission line 10 of the transmission device 2, which is designed to transport objects 70, so as to check the function and / or alignment of the detection device 19 fixedly mounted on the transmission line 10 under the operation mode of the transmission device 2, which moves the transmission line 10 and the maintenance device 30 at the same speed. The detection device is designed to detect the transmission device 20 and / or the objects 70.

Claims

1. A method of operating a conveying device (2) for conveying an object (70), the conveying device (2) comprising: a circulating conveying line (10) having one or more movable conveying devices (20) for supporting the object (70); and a detection device (19) fixedly mounted on the conveying line (10) for detecting the conveying devices (20) and / or the object (70); and a maintenance device (30) for detecting the transmission line (10), the method comprising: The maintenance device (30) is moved along the transmission line (10); The transmission line (10) is inspected using the maintenance device (30) to obtain information about the top side (12) and / or bottom side (14) of the transmission line (10); and The acquired information is compared with previously known information about the transmission line (10) to check the functionality and / or alignment of the detection device (19).

2. The method according to the preceding claim, wherein, The transmission line (10) is detected in the section having the detection device (19), and the previously known information is related to the detection device (19).

3. The method according to any one of the preceding claims, wherein, The detection device (19) has a sensor and / or a photoelectric sensor and is arranged on the top side (12).

4. The method according to any one of the preceding claims, wherein, The comparison is configured to find geometric deviations in the transmission line (10), wherein the geometric deviations include stationary and / or stuck objects (70) and / or segmental openings and / or defective barriers (16) of the transmission line (10).

5. The method according to the preceding claim, wherein, The transmission line (10) is detected in a cyclic manner.

6. The method according to any one of the preceding claims, wherein, The operation, the detection, and optionally the comparison are performed simultaneously.

7. The method according to any one of the preceding claims, wherein, Along the conveyor line (10), a plurality of conveying devices (20) and the maintenance device (30) are movably guided in a sequential arrangement, wherein each of the conveying devices (20) is designed to unload the object (70) placed on it laterally across the conveyor line (10).

8. The method according to any one of the preceding claims, wherein, The maintenance device (30) is fixed above and / or below the conveying device (20), and in particular fixed on the conveying device.

9. The method according to any one of the preceding claims, wherein, The transmission line (10) has a barrier / the barrier (16) to shield the transmission device (20) from the side.

10. The method according to any one of the preceding claims, the method comprising: When the transmission line (10) is ready to transmit the object (70) and is in its initial state, the previously known information is generated by the initial detection of the transmission line (10) by means of the maintenance device (30).

11. The method according to any one of the preceding claims, wherein, The maintenance device (30) has a sensing device (31) for detecting the transmission line (10) to obtain information about the top side (12) and / or bottom side (14) of the transmission line (14).

12. The method according to any one of the preceding claims, wherein, The maintenance device (30) has an actuator device (40) for performing maintenance work on the transmission line (10), preferably wherein, The actuator device (40) has a robotic arm, and in particular, the robotic arm is provided with the sensing device (31) and / or has tools.

13. The method according to any one of the preceding claims, wherein, The maintenance device (30) is operated remotely, and the information is displayed and / or stored by means of a remote controller (38) and / or a visualization device (60), the visualization device being designed to display the information by means of augmented reality and / or virtual reality.

14. The method according to any one of the preceding claims, wherein, The maintenance device (30) performs maintenance work, wherein the maintenance work includes repairing the transmission line (10) and / or moving a stationary object (70) and / or aligning and / or inspecting the detection device (19).

15. The method according to the preceding claim, wherein, Data about the maintenance work performed is stored in a database, and repetitive maintenance work is performed automatically while taking into account the stored data.

16. The method according to any one of the preceding claims, wherein, The sensing device (31) has a camera (32) located on the top side (12) and / or a camera (34) located on the bottom side (14) and an illumination device (36) optionally used to illuminate the transmission line (10), wherein the orientation of the sensing device (31) can be adjusted by a motor.

17. A conveying device (2) for conveying an object (70), said conveying device being designed to perform the method according to any one of the preceding claims.

18. In particular, the remotely controllable maintenance device (30) uses a sensing device (31) to detect the purpose of the transmission line (10) of the transmission device (2) designed for conveying objects (70), so as to check the function and / or alignment of the detection device (19) fixedly mounted on the transmission line (10) under the operating mode of the transmission device (2) which moves the transmission line (10) and the maintenance device (30) at the same speed, the detection device being designed to detect the transmission device (20) and / or the object (70).

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