JP2017032493A - System and method for loading transported object onto transport vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To load a transported object onto a transport vehicle without surplus or deficit in a weight thereof.SOLUTION: When loading soil generated by shield excavation onto a loading platform of a truck 3 placed on a truck scale 9 with a backhoe 8, a system for loading an object onto a transport vehicle: reads vehicle information on an ID card 15 carried by the truck 3 with a readout machine 16; calculates a loadable weight of the soil from a difference between a vehicle total weight in the vehicle information and the actual weight of the truck 3 measured by the truck scale 9; displays the loadable weight on a display device 17b; and enables an operator of the backhoe 8 to load the soil onto the loading platform of the truck 3, by confirming the loadable weight displayed on the display device 17b, without surplus or deficit in the weight of the soil to be loaded onto the platform of the truck 3.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a loading system and a loading method for transported goods on a transport vehicle, for example, a technology for preventing overloading on a transport vehicle.

  In excavation work, construction work, etc., a transported material such as earth and sand generated at the construction site is placed on the loading platform of a transport vehicle such as a dump truck and then transported to a predetermined disposal facility through a public road. However, if the carrying load is excessive (overloading), a traffic accident is induced due to a decrease in braking performance and steering operation, and damage to roads and bridges is caused. In addition, since an excessive load is applied to the engine and the vehicle body, it causes noise, vibration and exhaust gas. Therefore, at the construction site, prior to unloading the transport vehicle, after loading the transport object on the platform of the transport vehicle, the transport vehicle is placed on a truck scale or the like installed in the vicinity of the vehicle exit, etc. The overload is prevented by measuring the weight. Note that the vehicle weighing operation management technique is described in, for example, Patent Document 1, and discloses a technique for managing the weight of a vehicle using an ID tag.

JP-A-6-221901

  However, when carrying a load on a transport vehicle, the weight of the transport vehicle is not measured, and it is loaded with the work vehicle's weight (sense). Inevitably, there is a problem that transportation efficiency decreases and transportation loss increases.

  The present invention has been made from the above-described technical background, and an object of the present invention is to provide a technology capable of loading a transported vehicle on a transporting vehicle so that the load weight of the transported material does not become excessive or insufficient. For the purpose.

  In order to solve the above problems, a loading system according to a first aspect of the present invention includes a recording medium that is possessed by each transport vehicle and records a total vehicle weight permitted for each transport vehicle, Reading means for reading data; weight measuring means for measuring the weight of the transporting vehicle; loading means for loading transported goods on the transporting vehicle; warning means for notifying overloading when the transporting vehicle is overloaded; Blocking means for physically blocking the transportation of the transporting vehicle when the transporting vehicle is overloaded, and the transporting material to the transporting vehicle by the loading means in a state where the transporting vehicle is placed on the weight measurement means. When loading, the loadable weight of the transportable material that can be loaded on the transporting vehicle is sequentially calculated from the difference between the vehicle weight measured by the weight measuring unit and the total vehicle weight read by the reading unit. And control means for controlling the blocking means and warning means, characterized in that it comprises a display means for displaying the calculation result of said control means.

  According to a second aspect of the present invention, there is provided a loading method according to the present invention, the step of reading data on the total vehicle weight permitted for each transport vehicle from a recording medium possessed by each transport vehicle, and measuring the weight of the transport vehicle. A step of loading a transport object on the transport vehicle in a state of being placed on the means, and a step of notifying the overload when the transport vehicle is overloaded and physically blocking the transport of the transport vehicle. In the step of loading the transported object on the transport vehicle, transport that can be loaded on the transport vehicle from the difference between the vehicle weight measured by the weight measuring means and the total vehicle weight read by the reading means. The loadable weight of an object is calculated, and the calculation result is sequentially displayed on a display means.

  According to the present invention, when carrying a load on a transport vehicle, the loading operation can proceed while sequentially checking the loadable weight of the transport vehicle through the display means. It becomes possible to load the transported goods on the transport vehicle so as not to occur.

It is a schematic structure figure of an excavation system which is an example of adoption of a loading system concerning one embodiment of the present invention. It is the top view which looked at the loading system concerning one embodiment of the present invention from the top. FIG. 3 is a side view of the loading system of FIG. 2 as viewed from the side. It is a schematic circuit block diagram which shows the electric system of the loading system of FIG. (A)-(c) is a figure which shows the example of a display of the indicator which displays the weight information of a vehicle.

  Hereinafter, an embodiment as an example of the present invention will be described in detail with reference to the drawings. Note that components having the same function are denoted by the same reference symbols throughout the drawings for describing the embodiment, and the repetitive description thereof will be omitted.

  FIG. 1 is a schematic configuration diagram of an excavation system that is an example of adopting the loading system of the present embodiment.

  The loading system 1 according to the present embodiment loads, for example, earth (sand) or the like generated when a face is excavated by a shield excavator 2 to form a tunnel in the ground on a truck (transportation vehicle) 3 or the like. System. Here, the earth and sand excavated by the shield excavator 2 is accommodated in the earth and sand container 6a installed at the bottom of the vertical resistance 5 through the trolley 4 and piping (not shown), and then by a shovel 7 such as a crane. When it is accommodated in the earth and sand container 6b above the ground, and is further lifted from the earth and sand container 6b by the backhoe (loading means) 8 and loaded on the loading platform of the truck 3 on the truck scale (weight measuring means) 9. Is illustrated.

  Next, FIG. 2 is a plan view of the loading system of the present embodiment as seen from above, FIG. 3 is a side view of the loading system of FIG. 2 as seen from the side, and FIG. 4 shows the electrical system of the loading system of FIG. It is a schematic circuit block diagram. In FIG. 2, the track 3 is indicated by a two-dot chain line for easy understanding of the drawing.

  The loading system 1 of the present embodiment includes a truck 3, an ID (Identity card) card 15 (see FIG. 4), a reader (reading means) 16, a track scale 9, a backhoe 8, and a display (display). Means) 17a, 17b, a rotating lamp 18, a car gate 19, and a control circuit section (control means) 20.

  The ID card 15 (see FIG. 4) is a non-contact RFID (Radio Frequency identifier) or the like for various vehicle information such as the vehicle number, total vehicle weight, and empty vehicle weight of the truck 3 equipped with the ID card 15, for example. It is a recording medium for vehicle recognition recorded in the memory. This ID card 15 is handed over to each crew member of the plurality of trucks 3 engaged in the transportation work and held in each truck 3. The total vehicle weight in the vehicle information recorded on the ID card 15 is the maximum vehicle weight permitted for the truck 3 equipped with the ID card 15, and is overloaded when it is heavier than that value. As a vehicle information recording medium, for example, a punch card may be used.

  The reader 16 is a device that electrically reads vehicle information recorded on the ID card 15, for example. As shown in FIG. 2, the reader 16 is installed at a position (a plane and a height position) that can be reached from the driver's seat of the truck 3 when the truck 3 is stopped on the truck scale 9. Further, as shown in FIG. 4, the reader 16 is electrically connected to the control circuit unit 20 by wire or wirelessly. When the ID card 15 is held over the reading unit of the reader 16, the vehicle information in the ID card 15 is read in a non-contact manner and transmitted to the control circuit unit 20. In addition to the reading unit of the ID card 15, the reader 16 is equipped with, for example, a touch-type liquid crystal display or a thermal printer that can be manually input. In order to make it easy to understand even for the first time, a voice operation guidance function is provided.

  The track scale 9 is a measuring device that measures the weight of the track 3 in real time. As shown in FIGS. 2 and 3, the truck scale 9 is installed at a loading position such as earth and sand. Further, as shown in FIG. 4, the track scale 9 is electrically connected to the control circuit unit 20 by wire or wirelessly. When the truck 3 gets on the track scale 9, the weight of the truck 3 is measured and transmitted to the control circuit unit 20. The track scale 9 has a main body 9a at the center in the longitudinal direction and slope mounts 9b at both ends in the longitudinal direction. The upper surface of the main body 9a is higher than the ground and is flat. The upper surface of the slope mount 9b is inclined so that its height gradually decreases along the direction away from the main body 9a. In addition, you may install a derailment guard (not shown) along the both sides of the width direction (short direction) of the track scale 9 (the main-body part 9a and the slope mount frame 9b).

  The backhoe 8 is a loading heavy machine that loads the earth and sand in the earth and sand container 6 b on the loading platform of the truck 3. As shown in FIGS. 2 and 3, the backhoe 8 is installed on the backhoe rack 21 between the earth and sand container 6 b and the truck scale 9. By installing the backhoe 8 on the backhoe mount 21, noise, vibration, and the like that are generated when earth and sand are loaded can be reduced. For example, a crane such as a rough terrain crane may be used instead of the backhoe 8 as loading means for earth and sand.

  The indicators 17 a and 17 b are devices that display the weight information of the truck 3 measured by the truck scale 9. The indicators 17a and 17b are configured by a large display board using, for example, LEDs (Light Emitting Diodes). As shown in FIG. 3, the indicators 17 a and 17 b are poles 22 erected on the ground so that they can be easily seen by the operator of the backhoe 8, the crew of the truck 3, and the operation manager (hereinafter referred to as an operator). (See FIG. 3) are installed side by side on the upper end side, and are electrically connected to the control circuit unit 20 as shown in FIG. 4. The units of the display devices 17a and 17b are “kg”.

  On one display 17a, for example, the weight value of the track 3 measured by the track scale 9 is displayed in real time as a digital value. The numerical value displayed by the display device 17a increases every time earth or sand is loaded on the loading platform of the truck 3.

  On the other display 17b, for example, the loadable weight value of the truck 3 is displayed in real time as a digital value. The loadable weight value is a weight value of earth and sand that can be loaded on the loading platform of the truck 3 at the time of measurement, and the actual weight value of the truck 3 measured by the truck scale 9 and the truck 3 read by the reader 16. It is calculated by the difference from the total vehicle weight value. The numerical value displayed on the display unit 17b decreases each time the earth and sand etc. are loaded on the loading platform of the truck 3, and after 0 (zero), when the earth and sand etc. of the truck 3 is overloaded, it is displayed as a minus sign. . For this reason, the operator of the backhoe 8 can load earth and sand on the truck 3 while checking the loadable weight value in real time, so that the earth and sand can be loaded on the loading platform of the truck 3 without excess or deficiency.

  The revolving light 18 is a warning means for notifying an operator or the like when the truck 3 is overloaded. As shown in FIG. 3, the rotating lamp 18 is installed at the upper end of a pole 22 on which the indicators 17a and 17b are installed. The rotating lamp 18 is electrically connected to the control circuit unit 20 as shown in FIG. In the present embodiment, when it is determined that the truck 3 is overloaded, the rotating lamp 18 is turned on to alert the operator and the like. Further, an alarm device (warning means) may be installed in place of the rotating lamp 18. Further, a rotating lamp 18 and an alarm device may be installed, and a siren may be sounded as the rotating lamp 18 rotates.

  The car gate 19 is blocking means for vehicle entry / exit control that prohibits entry of a specific vehicle or prohibits the exit of the overloaded truck 3 after weight measurement. As shown in FIG. 2, the gate 19 g of the car gate 19 is installed on the front side of the track 3 in a state that can be opened and closed (rotated). The motor that drives the gate 19g of the car gate 19 is electrically connected to the control circuit unit 20 as shown in FIG. In the present embodiment, when it is determined that the truck 3 is overloaded, the gate 19g of the car gate 19 descends and the withdrawal of the truck 3 is prohibited.

  The control circuit unit 20 is a main control circuit unit that controls the electrical system of the loading system 1, and is installed in the super house 23 as shown in FIG. The control circuit unit 20 displays the measured weight value of the truck 3 measured by the truck scale 9 on the display unit 17a when loading the earth and sand on the loading platform of the truck 3 with the truck 3 placed on the truck scale 9. In addition, the loadable weight value at that time is calculated from the difference between the actually measured weight value of the truck 3 measured by the truck scale 9 and the total vehicle weight read by the reader 16, and displayed on the display unit 17b. It has a function. Further, when the control circuit unit 20 determines that the truck 3 is overloaded, the control lamp 20 rotates the rotary lamp 18 to alert the operator and the like, and closes the gate 19g of the car gate 19 so that the truck 3 cannot leave. It has a function to control.

  Next, a method for loading earth and sand in the present embodiment will be described with reference to FIGS. Here, an example will be described in which excavated earth and sand generated by excavation work by the shield excavator 2 is loaded on each of 30 large trucks 3 per day and carried to a processing facility, for example.

  First, since the weight on which earth and sand can be loaded differs depending on the vehicle type of the truck 3, various vehicles such as the vehicle number, the total vehicle weight, the empty vehicle weight, etc. described in the vehicle verification as the pre-operation stage. The information is recorded on the ID card 15 (see FIG. 4), and the ID card 15 is carried by all vehicles. In addition, it is possible to prevent unauthorized vehicles from entering by performing vehicle inspection when recording vehicle information on the ID card 15.

  Next, as shown in FIGS. 2 and 3, after the truck 3 is run and stopped on the main body 9 a of the truck scale 9, the crew of the truck 3 holds the ID card 15 prior to loading work such as earth and sand. Hold it over the reader of the reader 16. Then, the vehicle information of the ID card 15 is transmitted to the control circuit unit 20 through the reader 16 and recorded in the memory of the control circuit unit 20.

  Thereafter, with the truck 3 placed on the main body 9 a of the truck scale 9, earth and sand in the earth and sand container 6 b are loaded on the loading platform of the truck 3 by the backhoe 8. At this time, the weight of the truck 3 is measured in real time by the truck scale 9 and the measured weight value is displayed on the display unit 17a, and is calculated from the measured weight value and the total vehicle weight value read by the reader 16. The loadable weight value is displayed on the display 17b. Here, display examples of the display devices 17a and 17b are shown in FIGS.

  FIG. 5A shows a display example of the indicators 17a and 17b at an arbitrary weight measurement time in the work of loading earth and sand on the loading platform of the truck 3. For example, 18790 kg is displayed on the display unit 17a as the actual weight value of the truck 3 at the time of the arbitrary weight measurement, and the loadable weight value of the truck 3 at the time of the arbitrary weight measurement is displayed on the display unit 17b. For example, 1720 kg is displayed.

  Subsequently, FIG. 5B shows a display example of the indicators 17a and 17b at the time when earth and sand are newly loaded on the loading platform of the truck 3. A value (for example, 19470 kg) obtained by adding the weight of newly loaded earth and sand is displayed on the display 17a, and a value (for example, 1040 kg) obtained by subtracting the weight of newly loaded earth and sand is displayed on the display 17b. ) Is displayed. Therefore, the operator of the backhoe 8 can easily grasp how much earth and sand can be further loaded by checking the indicator 17b.

  Subsequently, FIG. 5 (c) shows a case where earth and sand are further loaded on the loading platform of the truck 3, and the actual weight value of the truck 3 exceeds the total vehicle weight value (that is, an overloaded state). The example of a display of the indicator 17a, 17b is shown. In this case, a negative value (for example, −100 kg) is displayed on the display unit 17b for displaying the loadable weight. For this reason, the operator of the backhoe 8 can easily grasp that overloading has occurred by checking the indicator 17b, and how much has been exceeded by checking the negative value. It can be easily grasped.

  Further, when overloading occurs as described above, the rotary lamp 18 rotates to alert the operator and the like, and the gate 19g of the car gate 19 is lowered so that the truck 3 cannot be withdrawn. For this reason, it is possible to prevent the overloaded truck 3 from leaving. In this case, since the gate 19g of the car gate 19 does not rise unless the earth and sand of the loading platform of the truck 3 is reduced, the operator of the backhoe 8 performs an operation of reducing the earth and sand of the loading platform of the truck 3. At this time, the operator of the backhoe 8 can check how much the earth and sand should be reduced so that the value of the indicator 17b becomes 0 (zero) or plus, and by checking the minus value of the indicator 17b, Since it can be seen that it is possible to carry out the work of reducing earth and sand. During loading work such as earth and sand, a crew member of the truck 3 and a person in charge of operation management check the actual weight value and the loadable weight value of the truck 3 through the indicators 17a and 17b.

  After loading earth and sand on the loading platform of the truck 3 as described above, the crew of the truck 3 presses the departure button, and starts the truck 3 according to the signal from the operation manager or the like. By pressing the departure button, the measurement result of the track scale 9 (the net weight at the time of departure of the track 3 and the like) and the reading result of the ID card 15 are automatically recorded and stored in the memory of the control circuit unit 20. This eliminates the need for manual input during soil volume management, thus facilitating soil volume management.

  As described above, in the present embodiment, when the operator of the backhoe 8 loads earth and sand on the loading platform of the truck 3, it is real time that the loadable weight value of the indicator 17b decreases as the earth and sand are loaded. You can proceed with loading while confirming with. For this reason, since earth and sand etc. can be loaded so that the loading platform of truck 3 may not exceed, overloading can be prevented. Therefore, the braking performance and steering operation of the track 3 can be improved. Further, it is possible to prevent damage to roads and bridges due to overloading. Furthermore, since an excessive load on the engine and the vehicle body of the truck 3 can be prevented, noise, vibration, and exhaust gas (including carbon dioxide) emissions can be reduced.

  Further, the sand and the like can be loaded up to the limit of the total vehicle weight of the truck 3 without being influenced by the skill of the operator of the backhoe 8. For this reason, since the frequency | count of conveyance of the truck 3 can be reduced, a conveyance loss can be suppressed to the minimum. Therefore, the total transportation time of earth and sand can be shortened. In addition, the transportation cost can be reduced. Furthermore, the amount of vibration, noise, and exhaust gas (including carbon dioxide) generated during transportation can be reduced.

  As mentioned above, the invention made by the present inventor has been specifically described based on the embodiment. However, the embodiment disclosed in this specification is an example in all respects and is limited to the disclosed technology. It is not a thing. That is, the technical scope of the present invention should not be construed restrictively based on the description in the above-described embodiment, but should be construed according to the description of the scope of claims. All modifications are included without departing from the technical scope equivalent to the described technique and the gist of the claims.

  As described above, in the above-described embodiment, the case where the loading system and the loading method according to the present invention are applied to the case where earth and sand generated by shield excavation is loaded on a truck or the like has been described, but the present invention is not limited thereto. For example, the present invention can be applied to other loading systems and loading methods, for example, when loading earth and sand generated by caisson excavation on a truck or the like.

DESCRIPTION OF SYMBOLS 1 Loading system 3 Truck 6a, 6b Container for earth and sand 8 Backhoe 9 Truck scale 15 ID card 16 Reader 17a, 17b Indicator 18 Rotating light 19 Car gate 19g Gate 20 Control circuit part 21 Backhoe stand

Claims (2)

A recording medium that is carried in each of the transport vehicles and records the total vehicle weight permitted for each transport vehicle;
Reading means for reading data of the recording medium;
A weight measuring means for measuring the weight of the transport vehicle;
A loading means for loading a load on the transport vehicle;
Warning means for notifying overloading when the transport vehicle is overloaded;
Blocking means for physically blocking traffic of the transport vehicle when the transport vehicle is overloaded;
When the transported vehicle is loaded on the transport vehicle by the loading means in a state where the transport vehicle is placed on the weight measurement means, the vehicle weight measured by the weight measurement means and the reading means are read. A control means for sequentially calculating a loadable weight of a load that can be loaded on the transporting vehicle from a difference from a total vehicle weight, and for controlling the blocking means and the warning means;
Display means for displaying a calculation result of the control means;
A system for loading a load on a transport vehicle. Reading data on the total vehicle weight allowed for each of the transport vehicles from a recording medium possessed by each of the transport vehicles;
Loading the transported goods on the transport vehicle with the transport vehicle placed on a weight measuring means;
Notifying the overload when the transport vehicle is overloaded and physically blocking the transport of the transport vehicle;
Have
In the step of loading the transported object on the transport vehicle, the transportable object that can be loaded on the transport vehicle is determined from the difference between the vehicle weight measured by the weight measuring unit and the total vehicle weight read by the reading unit. A loading method of a transported object on a transporting vehicle, wherein a loadable weight is calculated and the calculation result is sequentially displayed on a display means.

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