Transport vehicle or transport vehicle combination

Abstract

First transport vehicle (1) or first transport vehicle combination (1), with a loading area (11), characterized by a plurality of load detection units (12) which are designed to detect a weight and a spatial distribution of the weight of the load of the loading area (11), and a communication unit (15) which is designed to determine the weight and the spatial distribution of the weight of the load on the loading area (11) • to at least one second transport vehicle (2) or to at least one second transport vehicle combination (2) and • to at least one loading vehicle (3) and • to at least one inpatient facility (4) as concrete numerical values ​​or as relative values, in particular wirelessly.

Description

[0001] The present invention relates to a first transport vehicle or a first transport vehicle combination according to the preamble of patent claim 1, a second transport vehicle or a second transport vehicle combination according to the preamble of patent claim 4, a loading vehicle according to the preamble of patent claim 7 and a stationary device according to the preamble of patent claim 10.

[0002] In modern transport vehicles, e.g. in the area of ​​freight transport, agriculture, mining and construction machinery, it is currently known to record the weight of the load using a load recording unit and to make this information available to the driver.

[0003] In particular, it is common practice for construction machinery such as excavators to inform the excavator operator based on this information as to whether the maximum payload has been reached or not. This can be done, for example, using a type of "traffic light" signal, so that a green visual signal is displayed when the payload is below the maximum, a yellow visual signal is displayed when the payload is approaching the maximum, and a red visual signal is displayed when the maximum payload is exceeded.

[0004] DE 103 34 708 A1 relates to a commercial vehicle with a sensor system that detects a loading capacity and with a telematics system that processes data at least regarding the loading capacity and / or a location of the commercial vehicle and / or transmits it to a central location.

[0005] WO 02 / 16890 A1 relates to a system for monitoring the load status of a vehicle. The system is designed to send a signal to a remote location, warning that the vehicle is overloaded. The system has a control loop that controls both the sensors and the communication process.

[0006] DE 10 2015 111 726 A1 concerns a method for automating the operation of construction machinery and vehicles that transport goods using mobile measuring devices to increase efficiency. By collecting real-time data on location and weight, the system can continuously monitor and adjust the machine's performance.

[0007] EP 2 131 167 A1 relates to a device for determining the load status of vehicles, in particular railway vehicles, wherein a distance measuring device is provided for measuring the distance between the vehicle body and the wheel bearing or an unsprung part of the chassis. A message transmitting the load status can be transmitted in the form of an SMS, GPRS, or UMTS message, whereby the SMS can also include the geographical location of the vehicle.

[0008] US 2016 0 223 387 A1 discloses a system for monitoring payload at a multi-machine worksite. The system may include a first sensor located on board a tractor and configured to generate a first signal indicative of a total amount of material in the haulage machine, and a second sensor located on board a loader and configured to generate a second signal indicative of an amount of material tipped from the loader into the haulage machine. The system includes at least one controller communicating with the first and second sensors.

[0009] One object of the present invention is to provide a first transport vehicle or a first transport vehicle combination and / or a second transport vehicle or a second transport vehicle combination and / or a loading vehicle and / or a stationary device of the type described above, so that the information regarding the weight of a load on a loading area of ​​the first transport vehicle or the first transport vehicle combination can be better utilized. At least one alternative use of this information should be provided.

[0010] The object is achieved according to the invention by a first transport vehicle or a first transport vehicle combination having the features according to patent claim 1, by a second transport vehicle or a second transport vehicle combination having the features according to patent claim 4, by a loading vehicle having the features according to patent claim 7, and by a stationary device having the features according to patent claim 10. Advantageous further developments are described in the subclaims.

[0011] The present invention thus relates to a first transport vehicle or a first transport vehicle combination having a loading area and having a plurality of load detection units which are designed to detect a weight and a spatial distribution of the weight of a load on the loading area.

[0012] The first transport vehicle or the first transport vehicle combination has a communication unit which is designed to transmit the weight and the spatial distribution of the weight of the load of the loading area to at least one second transport vehicle or to at least one second transport vehicle combination and to at least one loading vehicle and to at least one stationary device as a concrete numerical value or as a relative value, in particular wirelessly.

[0013] The first transport vehicle can have both a drive for moving the transport vehicle and a loading area. This can be the case, for example, with a truck, a dump truck, or a driverless transport system, e.g., for transporting containers or the like, e.g., in a port facility. However, the first transport vehicle combination can also consist of a first towing vehicle with a drive, such as a tractor or a tractor unit of a semi-trailer combination, and a first trailer or a first semi-trailer. This also applies to the second transport vehicle or the second transport vehicle combination, whereby identical or different transport vehicles can be used in combination with one another.

[0014] The loading vehicle can be, for example, an excavator, a combine harvester, a forklift, a crane or the like.

[0015] The stationary facility may be a building in which a farm management system, a fleet management system, a toll collection system, a mine management system, a bridge monitoring system or the like can be operated.

[0016] The load sensing unit can be a force sensor or a pressure sensor with a single sensor element or a plurality of sensor elements. For example, strain gauges, piezo sensors, hydraulic pressure sensors, or the like can be used as the sensor element.

[0017] The load can be bulk goods, general cargo, containers or the like.

[0018] The load weight can be transmitted via a cable. Preferably, the load weight is transmitted wirelessly. This can be done, for example, via radio, Bluetooth, etc., directly between two communication partners, or indirectly via a mobile network, a Wi-Fi connection, or similar.

[0019] The present invention is based on the finding that the weight of the load on the loading area may be of interest not only to a user of the first transport vehicle or the first transport vehicle combination itself, but also to users of other vehicles and / or stationary devices which may interact with the first transport vehicle or the first transport vehicle combination.

[0020] For example, a first tractor can transmit the weight of its trailer load to a combine harvester so that a user of the combine harvester can recognize in good time when the first tractor has reached its maximum permissible load and the combine harvester needs to transfer its grain to a second tractor or its trailer. Furthermore, the second tractor can also be transmitted the weight of the first trailer load so that a user of the second tractor can prepare in good time to take over the task of the first tractor. Likewise, the weight of the first trailer load can be transmitted to a farm management system so that the farm management system can be kept up to date on the weights of its trailer loads, e.g. in order to plan and / or coordinate their use and / or the further processing of the grain.

[0021] In areas such as construction sites or open-cast mining, the weight of the load on a first dump truck can be recorded and transmitted to an excavator, for example, so that a user of the excavator can load a first dump truck so that its payload weight can be utilized as fully as possible without overloading the first dump truck. At the same time, a second dump truck can be transmitted the weight of the load on the first dump truck so that a user of the second dump truck can prepare in good time to take over the task of the first dump truck. This information can be transmitted to a construction site or mine management system, for example, so that it can be kept up to date on the loading of its dump trucks, for example in order to plan and / or coordinate their use and / or further processing, for example of overburden.

[0022] In the area of ​​freight transport, the weight of the load of a first truck or semi-trailer can be recorded and transmitted, for example, to a fleet management system or a toll collection system. The weight of the load of a first automated guided vehicle system, e.g., at a port facility, can also be transmitted to a crane for loading containers and / or to a fleet management system of the port facility. This allows the flow of goods to be transported to be planned and / or coordinated. This can also support the calculation of a weight-based toll.

[0023] The first transport vehicle or the first transport vehicle combination has a plurality of load detection units which are designed to detect a spatial distribution of the weight of the load on the loading area, wherein the communication unit is designed to transmit the spatial distribution of the weight of the load on the loading area to at least the second transport vehicle or to at least the second transport vehicle combination and / or to at least the loading vehicle and / or to at least the stationary device as concrete numerical values ​​or as relative values, in particular wirelessly.

[0024] In this way, in addition to the pure weight of the load as a whole, a spatial and, in particular, a surface distribution of the weight of the load can be recorded. This applies in particular to the horizontal plane. The advantage here is that, for example, this information can be made available in absolute or relative terms to a loading vehicle that is loading the first transport vehicle or the first transport vehicle combination, so that the further loading can be controlled in a targeted manner in order to achieve the most even load distribution possible through the weight of the load. This can lead to a higher load than with an uneven distribution of the load. This can also lead to safer travel of the first transport vehicle or the first transport vehicle combination. Furthermore, for exampleIn this way, the bearings of the first transport vehicle or the first transport vehicle combination are loaded more evenly and therefore last longer.

[0025] According to a further aspect of the present invention, the first transport vehicle or the first transport vehicle combination has a display unit which is designed to display the weight and / or the spatial distribution of the weight of the load on the loading area of ​​the first transport vehicle or the first transport vehicle combination to a user as a concrete numerical value(s) or as a relative value(s). In this way, the user can receive concrete information in order to be able to make decisions based on this information, for example. The weight of the load on the loading area can be given as a concrete numerical value, for example in kilograms or in tonnes or as proportions thereof. The weight of the load on the loading area can be given as a relative value, for example as a percentage based on the maximum permissible weight of the load on the loading area.

[0026] According to a further aspect of the present invention, the first transport vehicle or the first transport vehicle combination has a control unit which is designed to process the weight and / or the spatial distribution of the weight of the load on the loading area of ​​the first transport vehicle or the first transport vehicle combination into information and to display this information to a user. This can, for example, provide a notification to the user if the maximum permissible weight of the load on the loading area is exceeded. The user can also receive a notification if the maximum permissible weight of the load on the loading area is undershot, so that the payload can be increased in order to utilize the maximum permissible weight of the load on the loading area as fully as possible.

[0027] The present invention also relates to a second transport vehicle or a second transport vehicle combination, which is characterized by a communication unit which is designed to receive a weight and / or a spatial distribution of a weight of a load on a loading area of ​​a first transport vehicle or a first transport vehicle combination from the first transport vehicle or from the first transport vehicle combination and from at least one loading vehicle and from at least one stationary device as a concrete numerical value(s) or as a relative value(s), in particular wirelessly. Such a second transport vehicle or such a second transport vehicle combination can interact with a first transport vehicle or with a first transport vehicle combination, etc., as described above, according to the invention. This will not be repeated here.

[0028] The second transport vehicle or the second transport vehicle combination has a display unit configured to display the received weight and / or a spatial distribution of a weight of the load on the loading area of ​​the first transport vehicle or the first transport vehicle combination to a user as a specific numerical value(s) or as a relative value(s). The resulting advantages have already been described with reference to the first transport vehicle or the first transport vehicle combination, so they will not be repeated here.

[0029] The second transport vehicle or the second transport vehicle combination has a control unit configured to process the weight and / or the spatial distribution of the weight of the load on the loading area of ​​the first transport vehicle or the first transport vehicle combination into information and to display this information to a user. The resulting advantages have already been described with reference to the first transport vehicle or the first transport vehicle combination, so they will not be repeated here.

[0030] The present invention also relates to a loading vehicle which is characterized by a communication unit which is designed to receive a weight and / or a spatial distribution of a weight of a load on a loading area of ​​a first transport vehicle or a first transport vehicle combination from the first transport vehicle or from the first transport vehicle combination and from at least one second transport vehicle or from at least one second transport vehicle combination and from at least one stationary device as a concrete numerical value(s) or as a relative value(s), in particular wirelessly. Such a loading vehicle can interact with a first transport vehicle or with a first transport vehicle combination, etc., as described above, according to the invention. This will not be repeated here.

[0031] According to one aspect of the invention, the loading vehicle has a display unit configured to display the received weight and / or the received spatial distribution of the weight of the load on the loading area of ​​the first transport vehicle or the first transport vehicle combination to a user as a specific numerical value(s) or as a relative value(s). The resulting advantages have already been described with reference to the first transport vehicle or the first transport vehicle combination, so they will not be repeated here.

[0032] According to a further aspect of the present invention, the loading vehicle has a control unit configured to process the weight and / or the spatial distribution of the weight of the load on the loading area of ​​the first transport vehicle or the first transport vehicle combination into information and to display this information to a user. The resulting advantages have already been described with reference to the first transport vehicle or the first transport vehicle combination, so they will not be repeated here.

[0033] The present invention also relates to a stationary device which is characterized by a communication unit which is designed to receive a weight and / or a spatial distribution of a weight of a load on a loading area of ​​a first transport vehicle or a first transport vehicle combination from the first transport vehicle or from the first transport vehicle combination and from at least one second transport vehicle or from at least one second transport vehicle combination and from at least one loading vehicle as a concrete numerical value or as concrete numerical values ​​or as a relative value or as relative values, in particular wirelessly. Such a stationary device can interact with a first transport vehicle or with a first transport vehicle combination, etc., as described above, according to the invention. This will not be repeated here.

[0034] According to a further aspect of the present invention, the stationary device has a display unit configured to display the received weight and / or the received spatial distribution of the weight of the load on the loading area of ​​the first transport vehicle or the first transport vehicle combination to a user as a specific numerical value(s) or as a relative value(s). The resulting advantages have already been described with reference to the first transport vehicle or the first transport vehicle combination, so they will not be repeated here.

[0035] According to a further aspect of the present invention, the stationary device comprises a control unit configured to process the weight and / or the spatial distribution of the weight of the load on the loading area of ​​the first transport vehicle or the first transport vehicle combination into information and to display this information to a user. The resulting advantages have already been described with reference to the first transport vehicle or the first transport vehicle combination, so they will not be repeated here.

[0036] Two embodiments and further advantages of the invention are explained below in conjunction with the following figures. Therein: Fig. 1 a perspective schematic representation of a first transport vehicle combination according to a first embodiment; Fig. 2 a perspective schematic representation of the first transport vehicle combination of the Fig. 1 together with a second transport vehicle combination, with a loading vehicle and with a stationary device according to the first embodiment; Fig. 3 a perspective schematic representation of a first transport vehicle combination according to a second embodiment; and Fig. 4 a perspective schematic representation of the first transport vehicle combination of the Fig. 3 together with a second transport vehicle combination and with a stationary device according to the second embodiment.

[0037] Fig. 1 shows a perspective schematic representation of a first transport vehicle combination 1 according to a first exemplary embodiment. The transport vehicle combination 1 consists of a tractor 1a and a trailer 1b. The trailer 1b has a frame 10 on which a tiltable loading area 11 is arranged. Between the loading area 11 and the frame 10, at least one load detection unit 12 in the form of a force sensor 12 is arranged such that a weight of a load on the loading area 11 can be detected by the force sensor 12. In this case, processing of the measured values, such as signal filtering and conversion into a unit of measurement of a weight, is already carried out by the force sensor 12 itself, so that it can provide information, for example a weight in kilograms.According to the invention, several load detection units 12 could also be provided in order to be able to detect a spatial distribution of the weight of the load on the loading area 11 in the horizontal plane (not shown).

[0038] The force sensor 12 is connected to a control unit 13 of the tractor 1a via a cable (not shown) for signal transmission. The control unit 13 is designed to further process and / or forward the values ​​of the force sensor 12, which correspond to the current weight of the load on the loading area 11 of the trailer 1b. Further processing can be carried out, for example, by the values ​​of the force sensor 12 being stored by the control unit 13 in an internal or external memory (not shown) in order to, for example, create and make available a temporal profile of the loading of the loading area 11 of the trailer 1b. Alternatively or additionally, further processing can be carried out such that the values ​​of the force sensor 12 can be set in relation to a predetermined value, such as a maximum permissible load of the trailer 1b, and this relationship can be forwarded.Alternatively or additionally, a temporal progression of this relationship can also be stored. Furthermore, the values ​​of the force sensor 12 can be further processed to generate, for example, a warning message if the maximum permissible load of the trailer 1b is reached or exceeded. Likewise, a message can be generated if the maximum permissible load of the trailer 1b has not yet been reached, i.e., if the capacity of the trailer 1b could be utilized even more effectively. Thus, the control unit 13 has a variety of options for processing and / or forwarding the values ​​of the weight of the load on the loading area 11 of the trailer 1b.

[0039] In any case, such information can be transmitted from the control unit 13 to a display unit 14, which in this exemplary embodiment is arranged in the first tractor 1a in such a way that this information can be displayed to a user of the tractor 1a, such as a driver. In this way, the driver of the tractor 1a can be informed of the current weight of the load on the loading area 11 of the trailer 1b as an absolute or relative value, or how the weight of the load on the loading area 11 of the trailer 1b changes over time. The driver can also be informed that the maximum permissible load of the trailer 1b has not yet been reached, is almost reached, or has been exceeded. All of this information, which can be provided alternatively or in combination, either predefined or selectable by the driver, can be incorporated by the driver into the control of the tractor 1a with trailer 1b, for example, in order toto prepare in good time to soon take on a different task as the maximum load of trailer 1b approaches.

[0040] The tractor 1a further comprises a communication unit 15, which is configured to carry out wireless unidirectional, bidirectional, or multidirectional communication A with other vehicles and / or with stationary devices. In particular, the information that can be generated and / or forwarded by the control unit 13 can be transmitted to other vehicles and / or stationary devices by means of the communication unit 15.

[0041] Fig. 2 shows a perspective schematic representation of the first transport vehicle combination 1 of the Fig. 1 together with a second transport vehicle combination 2, with a loading vehicle 3 and with a stationary device 4 according to the first embodiment. Here, a situation in agriculture is considered, so that the first transport vehicle combination 1, as with reference to the Fig. 1, comprises a first tractor 1a with a first trailer 1b.

[0042] Furthermore, a second transport vehicle combination 2 is provided with a second tractor 2a and a second trailer 2b. The second tractor 2a has a communication unit 20, a control unit 21, and a display unit 22, which correspond in their functions to the corresponding units 13, 14, 15 of the first tractor 1a. The second trailer 1b can also have at least one load detection unit (not shown).

[0043] Furthermore, a loading vehicle 3 is present, which in this first embodiment is a combine harvester 3. The combine harvester 3 also has a communication unit 30, a control unit 31, and a display unit 32, which correspond in their functions to the corresponding units 13, 14, 15 of the first tractor 1a.

[0044] Furthermore, a stationary device 4 is present, which in this case is a farm management system 4, which is housed in a building. The farm management system 4 also has a communication unit 40, a control unit 41, and a display unit 42, which correspond in their functions to the corresponding units 13, 14, 15 of the first tractor 1a.

[0045] In the in the Fig. In the situation illustrated in Figure 2, the first trailer 1b is loaded with threshed grain by the combine harvester 3 (not shown). The current weight of the load on the loading area 11 of the first trailer 1b is continuously recorded by the force sensor 12 and displayed as an absolute weight value to the driver via the display unit 14 of the control unit 13 of the first tractor 1a. This absolute weight value is transmitted in parallel via a wireless communication link A from the communication unit 15 of the first tractor 1a to the combine harvester 3, where it is displayed to a driver of the combine harvester 3 via the display unit 32. In this way, the driver of the combine harvester 3 can interrupt the delivery of threshed grain to the first trailer 1b as soon as the weight of the load on the loading area 11 of the first trailer 1b has reached its maximum.

[0046] At the same time, the absolute value of the weight of the load on the loading area 11 of the first trailer 1b can be transmitted from the first tractor 1a to the second tractor 2b via another wireless communication link A. In this way, the driver of the second tractor 2b can obtain information about the loading status of the loading area 11 of the first trailer 1b and can prepare in a timely manner to replace the full first trailer 1b with his second trailer 2b.

[0047] Furthermore, the absolute value of the weight of the load on the loading area 11 of the first trailer 1b can be transmitted from the first tractor 1a to the farm management system 4 via another wireless communication link A. This allows for central coordination of all vehicles 1a, 2a, 3. Furthermore, subsequent steps in the processing of the grain can be initiated depending on the weight of the load on the loading area 11 of the first trailer 1b or the second trailer 2b.

[0048] Fig. 3 shows a perspective schematic representation of a first transport vehicle combination 1 according to a second embodiment. Fig. 4 shows a perspective schematic representation of the first transport vehicle combination 1 of the Fig. 3 together with a second transport vehicle combination 2 and with a stationary device 4 according to the second embodiment.

[0049] In this second exemplary embodiment, the first transport vehicle combination 1 is a first semi-trailer truck 1 with a first tractor unit 1a and a first semi-trailer 1b. The first semi-trailer 1b corresponds to the first trailer 1b of the first exemplary embodiment. The first tractor unit 1a corresponds to the first tractor 1a of the first exemplary embodiment. This applies accordingly to the second transport vehicle combination 2, which is a second semi-trailer truck 2 with a second tractor unit 2a and a second semi-trailer 2b. The stationary device 4 in this second exemplary embodiment is a toll collection system 4, which is housed in a building.

[0050] In this second exemplary embodiment, the weights of the loads on the loading areas 11, 21 of the first semi-trailer 1b and the second semi-trailer 2b are transmitted from the tractors 1a, 2a to the toll collection system 4 via a wireless communication link A. This allows a toll fee to be calculated that can take into account the weight of the load on the respective loading area 11, 21. List of reference symbols (part of the description) A wireless communication connections 1 first transport vehicle; first truck; first dump truck; first driverless transport system; first transport vehicle combination; first semi-trailer truck 1a first towing vehicle; first tractor; first tractor 1b first trailer; first semi-trailer 10 frame 11 Loading area 12 Load detection unit; force sensor; pressure sensor 13 Control unit 14 Display unit 15 Communication unit 2 second transport vehicle; second truck; second dump truck; second automated guided vehicle; second transport vehicle combination, second semi-trailer 2a second towing vehicle; second tractor; second tractor 2b second trailer; second semi-trailer 20 Communication unit 21 Control unit 22 Display unit 3 Loading vehicle; excavator; combine harvester; forage harvester; forklift; crane 30 Communication unit 31 Control unit 32 display unit 4 stationary facility; farm management system; fleet management system; toll collection system; construction site management system; mine management system; bridge monitoring 40 Communication unit 41 Control unit 42 display unit

Claims

[1] First transport vehicle (1) or first transport vehicle combination (1), with a loading area (11), characterized by a plurality of load detection units (12) which are designed to detect a weight and a spatial distribution of the weight of the load of the loading area (11), and a communication unit (15) which is designed to determine the weight and the spatial distribution of the weight of the load on the loading area (11) • to at least one second transport vehicle (2) or to at least one second transport vehicle combination (2) and • to at least one loading vehicle (3) and • to at least one inpatient facility (4) as concrete numerical values ​​or as relative values, in particular wirelessly. [2] First transport vehicle (1) or first transport vehicle combination (1) according to claim 1, characterized bya display unit (14) which is designed to display the weight and / or the spatial distribution of the weight of the load of the loading area (11) of the first transport vehicle (1) or of the first transport vehicle combination (1) to a user as a concrete numerical value(s) or as a relative value(s). [3] First transport vehicle (1) or first transport vehicle combination (1) according to claim 1 or 2, characterized by a control unit (13) which is designed to process the weight and / or the spatial distribution of the weight of the load of the loading area (11) of the first transport vehicle (1) or of the first transport vehicle combination (1) into information and to display this information to a user. [4] Second transport vehicle (2) or second transport vehicle combination (2), characterized by a communication unit (20) which is designed to determine a spatial distribution of a weight of a load of a loading area (11) of a first transport vehicle (1) or of a first transport vehicle combination (1) • from the first transport vehicle (1) or from the first transport vehicle combination (1) and • by at least one loading vehicle (3) and • from at least one inpatient facility (4) to receive as concrete numerical value(s) or as relative value(s), in particular wirelessly. [5] Second transport vehicle (2) or second transport vehicle combination (2) according to claim 4, characterized bya display unit (22) which is designed to display a received weight and / or the received spatial distribution of the weight of the load of the loading area (11) of the first transport vehicle (1) or of the first transport vehicle combination (1) to a user as a concrete numerical value(s) or as a relative value(s). [6] Second transport vehicle (2) or second transport vehicle combination (2) according to claim 4 or 5, characterized by a control unit (21) which is designed to process the weight and / or the spatial distribution of the weight of the load of the loading area (11) of the first transport vehicle (1) or of the first transport vehicle combination (1) into information and to display this information to a user. [7] Loading vehicle (3), characterized by a communication unit (30) which is designed to determine a spatial distribution of a weight of a load of a loading area (11) of a first transport vehicle (1) or of a first transport vehicle combination (1) • from the first transport vehicle (1) or from the first transport vehicle combination (1) and • by at least one second transport vehicle (2) or by at least one second transport vehicle combination (2) and • from at least one inpatient facility (4) to be received as concrete numerical value(s) or as relative value(s), in particular wirelessly. [8] Loading vehicle (3) according to claim 7, characterized bya display unit (32) which is designed to display a received weight and / or the received spatial distribution of the weight of the load of the loading area (11) of the first transport vehicle (1) or of the first transport vehicle combination (1) to a user as a concrete numerical value(s) or as a relative value(s). [9] Loading vehicle (3) according to claim 7 or 8, characterized by a control unit (31) which is designed to process the weight and / or the spatial distribution of the weight of the load of the loading area (11) of the first transport vehicle (1) or of the first transport vehicle combination (1) into information and to display this information to a user. [10] Inpatient facility (4), characterized by a communication unit (40) which is designed to determine a spatial distribution of a weight of a load of a loading area (11) of a first transport vehicle (1) or of a first transport vehicle combination (1) • from the first transport vehicle (1) or from the first transport vehicle combination (1) and • by at least one second transport vehicle (2) or by at least one second transport vehicle combination (2) and • by at least one loading vehicle (3) to receive as concrete numerical value(s) or as relative value(s), in particular wirelessly. [11] Stationary device (4) according to claim 10, characterized bya display unit (42) which is designed to display a received weight and / or the received spatial distribution of the weight of the load of the loading area (11) of the first transport vehicle (1) or of the first transport vehicle combination (1) to a user as a concrete numerical value(s) or as a relative value(s). [12] Stationary device (4) according to claim 10 or 11, characterized by a control unit (41) which is designed to process the weight and / or the spatial distribution of the weight of the load of the loading area (11) of the first transport vehicle (1) or of the first transport vehicle combination (1) into information and to display this information to a user.

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