WO2012008182A1 - Dispositif et procédé pour mesurer un poids, etc., d'un véhicule en déplacement - Google Patents

Dispositif et procédé pour mesurer un poids, etc., d'un véhicule en déplacement Download PDF

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Publication number
WO2012008182A1
WO2012008182A1 PCT/JP2011/056524 JP2011056524W WO2012008182A1 WO 2012008182 A1 WO2012008182 A1 WO 2012008182A1 JP 2011056524 W JP2011056524 W JP 2011056524W WO 2012008182 A1 WO2012008182 A1 WO 2012008182A1
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WIPO (PCT)
Prior art keywords
vehicle
weight
measurement
measuring
acceleration
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PCT/JP2011/056524
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English (en)
Japanese (ja)
Inventor
栄一 多田
眞一 林田
年男 内丸
穣 山本
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西日本高速道路ファシリティーズ株式会社
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Publication of WO2012008182A1 publication Critical patent/WO2012008182A1/fr

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
    • G01G19/022—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing wheeled or rolling bodies in motion
    • G01G19/024—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing wheeled or rolling bodies in motion using electrical weight-sensitive devices

Definitions

  • the present invention relates to a measuring apparatus and a measuring method for measuring wheel load, axle load, the number of axes, etc. of a vehicle that is installed on an ETC (registered trademark, hereinafter the same) lane or the like on expressways and toll roads. It is.
  • ETC registered trademark, hereinafter the same
  • vehicle restrictions required in relation to roads are defined as vehicle restriction orders. Items specified here are the width, height, length, minimum turning radius, and weight of the vehicle. The weight is further limited in terms of total weight, axle weight, total axle weight of adjacent axles, and wheel load.
  • axle load meters using load cells have been installed and monitored in the entrance lane of expressways. In addition, vehicles that violate the vehicle weight are guided to the place where the vehicle weight scale is installed and enforced.
  • the axle load measurement part travels at a higher speed than before, so the time applied to the existing vehicle weight scale is shortened and sufficient measurement time cannot be secured.
  • the longitudinal direction (passing through the vehicle) direction had to be expanded from about 76 cm to 2 m40 cm.
  • a measurement error is increased due to an increase in the swing width of the traveling vehicle body, which causes a problem as a control device.
  • the toll gate is usually concrete pavement because it is difficult to replace the pavement. Therefore, the increase in the longitudinal dimension increases the concrete pavement excavation area, so the lane closing time due to the construction becomes very long, and the current specification axle load scale was not adopted except for the new ETC lane.
  • the load cell life and replacement time due to failure took about half a day, and due to the closure of the ETC lane, there was a situation that could not be handled.
  • the weight scale is a scale that can carry one large vehicle. In order to make a large vehicle stand still on a loading platform, it is installed in a space next to a toll booth, and a vehicle with an overloaded axle is guided from a lane to a vehicle weight meter installed in a different place for measurement. When guiding, it takes the form of crossing several lanes, so it is necessary to place people in each lane and control their traffic. In addition, it is necessary to dig deeply under the loading platform and install the vehicle weight scale, so it is very expensive and cannot be installed in all interchanges (ICs), limiting the ICs that can be controlled. There are drawbacks.
  • the existing number detector of axes detects the number of axes by installing a plurality of sensors arranged in a row on the road surface in the longitudinal direction and detecting the load by the wheel electrically. Even when a plurality of vehicles called separators enter in succession, the number of vehicle axes per vehicle is measured together with a sensor that detects the vehicle for each vehicle.
  • a vehicle separator has columnar sensors on both sides of a road, and a light projecting device such as a light emitting diode is installed on one side of the column, and a plurality of light receiving devices are installed on the other side.
  • Axis count must be available for ETC, but because ETC vehicles pass over the sensor at a high speed, the sway of the vehicle will increase compared to the conventional method, and the detection accuracy of the existing axis number detection will be worse, and the There is a problem with multi-axis detection.
  • Axis loss means detecting less than the actual axis
  • multi-axis detection means detecting more axes. If the number of axes cannot be detected correctly, not only will there be a mistake in billing, but if the number of axes written on the ETC card and the measured number of axes do not match, there is a possibility that the ETC OBE was replaced. In some cases, it may be stopped at the exit side.
  • Stopping on the ETC lane is dangerous because it increases the possibility of a rear-end collision because the vehicle is traveling on the assumption that the following vehicle will not stop.
  • the number of axes counts a large load on the piezoelectric element or the like, there is a limit to the number of times it can be used, and it must be replaced approximately in the millions of times.
  • Some toll booths can be used by several tens of thousands a day, and in that case they must be replaced in about one year. In the exchange, the ETC lane is closed and replaced, resulting in great trouble for ETC users.
  • a method and apparatus different from the measurement apparatus and method described in Patent Document 3 are used, that is, using the measurement apparatus and method described in Patent Documents 1 and 2 more specifically.
  • the problem is to propose a road gate such as an actual expressway or something that can be installed on the road.
  • the apparatus and method according to the present invention relate to each item specified in the vehicle restriction ordinance, and the weight of one wheel of the vehicle that actually travels and passes (hereinafter referred to as wheel load), the shaft.
  • wheel load the weight of one wheel of the vehicle that actually travels and passes
  • the problem is to provide an apparatus and method that can determine the weight, the total vehicle weight, the number of axles, and the traveling direction of the vehicle. It is also an object of the present invention to make such a device very compact.
  • a loading plate having a substantially rectangular shape in plan view that can be installed on a road surface such as a road and through which at least one of left and right wheels of a vehicle or the like can pass, and a vehicle using the loading plate It comprises at least two measurement blocks that support two points on the near side and the front side in the passing direction, and a base part to which the measurement block is fixed, and a fixing part to which the measurement block is fixed to the base part, It consists of measuring parts that extend in the form of a cantilever from a fixed part, and these measuring parts support the load plate described above, and when the traveling vehicle passes through the load plate, an instantaneous displacement of the measurement unit is made using an optical sensor.
  • the instantaneous load and acceleration are calculated from the instantaneous displacement, and the acceleration of the base body is derived by the acceleration sensor from the vibration displacement of the base body fixing the measurement block, and the instantaneous load and acceleration of the measurement section are calculated. Same as calculated value
  • weight such as measuring device of the traveling vehicle, characterized in that to derive the static weight of one wheel of the running vehicle from the acceleration of the base portion.
  • an optical sensor is provided in the vicinity of the measuring device for weight, etc.
  • the traveling vehicle weight and the like measuring device is characterized in that the traveling direction of the traveling vehicle can be determined by recognizing a timing shift of the maximum value of the measured value at.
  • a loading plate having a substantially rectangular shape in plan view that can be installed on a road surface such as a road and through which at least one of the left and right wheels of the vehicle or the like can pass.
  • a measuring device comprising at least two measurement blocks that support two points on the near side and the front side in the passing direction and a base part to which the measurement block is fixed is used, and the measurement block is fixed to the base part.
  • an optical sensor is provided in the vicinity of the weight and the like measuring device, and the number of axles for each vehicle is determined by recognizing the passing vehicle for each vehicle.
  • the measurement values in the front and front measurement blocks in the vehicle forward direction in the fourth or fifth aspect, in the weight measurement of one wheel by at least two of the measurement blocks, the measurement values in the front and front measurement blocks in the vehicle forward direction.
  • the traveling direction of the traveling vehicle can be determined by recognizing the timing difference of the maximum value of the traveling vehicle.
  • an initial measurement waveform of a passing vehicle is determined using the weight measuring apparatus for a traveling vehicle according to the first aspect of the invention, and this waveform senses an initial shock wave of an individual vehicle.
  • a method of measuring the weight of a traveling vehicle which measures the number of axles of a passing vehicle.
  • two measuring apparatuses for measuring the weight of the traveling vehicle according to the first aspect of the present invention are arranged in a row in the transverse direction of the road so that both the left and right wheels of the traveling vehicle can travel through each wheel.
  • the weight of each vehicle wheel can be measured, whereby the weight, axle weight, number of axles, total weight, and traveling direction of each wheel of the vehicle can be measured.
  • At least two of the measurement units which are free ends of the measurement block, support two points on the front side and the front side of the loading plate in the vehicle passing direction, and travel on the loading plate. It is possible to instantaneously measure the static load of one wheel of the vehicle to be operated. In other words, the instantaneous load and acceleration are calculated from the instantaneous displacement of each measuring unit, and at the same time, the vibration acceleration of the base unit that fixes the measuring block is added to the calculation to derive the static load of one wheel of the traveling vehicle.
  • This instantaneous displacement can be realized because it is possible to measure a very small displacement (10 ⁇ 6 mm) in microseconds (10 ⁇ 6 seconds) using an optical sensor. As a result, a more accurate static value of one wheel weight (wheel weight) can be derived.
  • a pair of measurement blocks are arranged on the front side and the front side in the forward direction of the vehicle, the instantaneous load and acceleration are calculated from the instantaneous displacement of the pair of measurement units, and the acceleration of the base unit is further measured.
  • the instantaneous load and acceleration are calculated from the instantaneous displacement of the pair of measurement units, and the acceleration of the base unit is further measured.
  • the loading plate according to the measuring device of the present invention has a width that allows the left and right wheels of the vehicle to pass simultaneously, that is, the loading plate can be adapted to the width of one lane of the road. In this way, it is possible to measure not the weight of one wheel but the weight of one axle.
  • one wheel weight of the vehicle can be measured individually, and the state of each wheel can be discriminated by the measurement waveform, so that one wheel weight can be measured. It is said. That is, for example, based on the load measurement waveform of each individual wheel, the tire pressure of the wheel can be determined from the appearance of the waveform. Further, the reason described above is that not only four-wheeled vehicles but also two-wheeled vehicles, people, and animals are taken into consideration as the vehicle to be measured.
  • the number of axles of the vehicle for each vehicle can be counted. It is configured.
  • the weight measuring apparatus which can also measure the number of axles more correctly can be provided.
  • this axis count can be performed by judging the load measurement waveform measured and recorded in the measuring apparatus according to the present invention. That is, since the first shock wave when one vehicle enters is different from other waveforms, the number of axes can be counted together with the wheel load measurement by recognizing the first shock wave.
  • two measurement blocks are located at two front-rear direction positions on the front side and the front side in the forward direction of the vehicle because at least two measurement devices are provided on the loading plate. Therefore, the timing of the maximum value of the wheel load measurement value in these two measurement blocks is slightly shifted, so if the maximum value of the measurement block on the near side is measured first, the vehicle will move in the forward direction. If the maximum value of the front measurement block is measured first, it can be determined that the vehicle is in the reverse travel state, and the traveling direction of the passing traveling vehicle can be determined.
  • the measurement method using the measurement apparatus according to the first to third aspects of the invention is specified, and the effect is the same as the effect of the measurement apparatus. We have been able to provide a measurement method that demonstrates it.
  • the first measurement waveform of the passing vehicle is determined using the measurement apparatus according to the first aspect of the invention, and this waveform is detected by detecting the first shock wave of the individual vehicle.
  • the number of axles of the vehicle can be measured by recognizing the vehicle.
  • the first shock wave is measured by a measurement block located on the vehicle traveling direction front side of the loading plate measured when one vehicle first rides on the loading plate of the measuring apparatus according to the present invention.
  • the invention according to this claim has been conceived by paying attention to the fact that the measured waveform of the first first axis (front wheel axis) of the vehicle is the largest.
  • the number of axes of the vehicle can be measured without recognizing the passing vehicle for each vehicle using the optical sensor as in the second or fifth invention.
  • the two measuring devices according to the first aspect of the present invention are arranged in the transverse direction of the road so that the left and right wheels of the traveling vehicle can pass through each other. It is possible to measure the weight, axle weight, number of axles, and total weight of each individual wheel.
  • the measuring devices according to the present invention when one of the measuring devices according to the present invention is installed in the entire transverse direction of one road lane, that is, by allowing both the left and right wheels to pass simultaneously, individual wheel loads cannot be measured. However, other axle loads, total weights, passing directions, etc. can be measured.
  • FIG. 1 is an exploded explanatory view illustrating an embodiment of a weight measuring device for a traveling vehicle according to the present invention. It is a whole perspective view of the measurement block which concerns on the said embodiment. It is explanatory drawing of the installation state of the said measurement block. It is the front view, top view, and left view which show the loading board which concerns on the said embodiment. It is the front view, top view, and left view which show the whole weight measuring apparatus which concerns on the said embodiment. It is a graph which shows the measurement result when a triaxial track passes by the weight measuring device concerning the above-mentioned embodiment.
  • the other embodiment of the weight measuring apparatus which concerns on this invention is shown, (A) is a cross-sectional schematic diagram, (B) is a plane schematic diagram, (C) is a longitudinal cross-sectional schematic diagram.
  • FIG. 1 is an exploded explanatory view illustrating one embodiment of a weight measuring device for a traveling vehicle according to the present invention.
  • the measuring device for weight of a traveling vehicle according to the present invention has a substantially rectangular shape in plan view, and has a box-like base body portion 10 whose upper surface portion is open, and four fixed at substantially four corners inside the base body portion 10. It consists of a measurement block 15 and a loading plate 20 supported by the measurement block 15.
  • the thing using four measurement blocks is shown, as shown in Claim 1, it is also possible to carry out by providing only two on the near side and the front side of the loading plate 20. .
  • the measuring device comprising the combination of the base body 10, the measurement block 15, and the loading plate 20 is fitted into the recess 40 of the concrete block of FIG.
  • two measuring devices are fitted in the recess 40 on the left and right. In this way, each of the two measuring devices arranged in parallel in the crossing direction of the road can individually measure the weights of the left and right wheels of the vehicle.
  • the base body portion 10 has a substantially rectangular shape with the vehicle forward direction V as a short side, and is formed of a box-shaped metal member whose upper surface portion is open.
  • Fixing portion receiving portions 11 for fixing the measurement block 15 are provided at substantially four corners inside the base portion 10.
  • the fixing portion receiving portion 11 is for fixing the fixing portion 16 of the measuring block 15 and for fixing the measuring portion 17 of the measuring block 15 in a cantilever shape, and has a predetermined height from the bottom surface of the base portion 10. Furthermore, it is a trapezoid having a substantially rectangular parallelepiped shape so that the fixing portion 16 of the measurement block 15 can be fixed.
  • the fixing portion 16 of the measurement block 15 is fixed to the fixing portion receiving portion 11 with a bolt or the like.
  • a base-side fixing portion 16 and a measuring portion 17 are formed so as to extend from the fixing portion 16, that is, the measuring portion 17 is displaced in the vertical direction. It is a possible free end.
  • the load plate 20 is connected and fixed to the load plate 20 at a substantially central portion of the measurement unit 17 to support the load plate 20.
  • the loading plate 20 also has substantially the same plan view shape as the base portion 10, has a substantially rectangular shape in plan view with the direction of the vehicle forward direction V as the short side, and the length of the long side direction (lateral direction) is In this embodiment, it is about half of one lane of the road and is formed from a metal plate.
  • Four bolt holes 21 are provided at substantially four corners of the loading plate 20, and the positions of these bolt holes 21 coincide with the screw holes 18 provided at the substantially central portion of the measurement unit 17 of the measurement block 15, and are secured by bolts or the like. Screwed together and fixed.
  • the base unit 10, the four measurement blocks 15, and the loading plate 20 form a measurement device according to the present invention (the load sensor and the acceleration sensor will be described later), and these are formed in the recess 40 of the concrete block.
  • Two units are fitted in parallel (only the right side is shown in FIG. 1), and the loading plate 20 is embedded so that the upper surface is flush with the road surface.
  • the measuring device directly in a recess formed on the road surface.
  • the load sensor is installed at the position of the base 10 corresponding to the measurement unit 17 of the measurement block 15, and the instantaneous displacement of the measurement unit 17 is optically measured to measure the instantaneous load. At the same time, acceleration is also calculated from the instantaneous displacement. From these instantaneous loads and accelerations, and the vibration acceleration of the base portion described later, the wheel load of the traveling vehicle can be measured instantaneously. The position where the load sensor is provided will be described later with reference to FIG.
  • the front and rear bolt holes 21f, 21f of the loading plate 20 in the vehicle forward direction V, and the front-rear sides 21r, 21r 2 The wheel load is measured by performing measurement at each location, thereby making it possible to measure the wheel load more precisely.
  • the timing at which the maximum value of the measurement values appears is slightly shifted, thereby changing the traveling direction of the vehicle. Can also be determined.
  • the maximum value of the front measurement unit in the vehicle forward direction V is measured before the maximum value of the front measurement unit, it can be determined that the vehicle is traveling in the forward direction V.
  • the maximum value on the front side is measured before the front side, it can be determined that the passing vehicle is moving backward.
  • four measurement blocks 15, that is, a pair of left and right, and two sets in the front-rear direction are provided, so that the traveling direction of the passing traveling vehicle can also be determined. More precisely, this traveling direction can be determined if there are two measurement blocks in the front-rear direction.
  • FIG. 2 is an overall perspective view of the measurement block in the embodiment.
  • the measurement block 15 is made of metal having a substantially rectangular shape in plan view, has a predetermined thickness, and a fixed portion 16 is located on the upper left side in the figure, and the lower right side in the figure from the fixed portion 16.
  • a measuring part 17 extending in the direction is located.
  • the distal end side 17s of the measuring unit 17 is formed to be a little thin, and a protruding portion 17t is formed in the central portion from the proximal end side toward the distal end side, and a screw hole 18 is provided on the distal end side of the protruding portion 17t. It has been.
  • the bolt hole of the loading plate matches the screw hole 18, and the loading plate is fixed and supported by the measuring unit 17 of the measuring block 15 by the bolt.
  • the fixing portion 16 is provided with six bolt insertion holes 19 in two rows, and the fixing portion 16 is fixed to the fixing portion receiving portion of the base portion by bolts.
  • FIG. 3 is a cross-sectional explanatory view in the vehicle traveling direction illustrating the installation state of one measurement block according to the embodiment. In the figure, hatching is omitted.
  • the weight measuring device according to the present invention is installed in a recess of a road or a recess of a concrete block embedded in the road, and is embedded in the road surface R so that the upper surface 20R of the loading plate 20 is in the same plane. .
  • the fixing portion 16 of the measurement block 15 is fixed to the fixing portion receiving portion 11 of the base portion 10 with a bolt.
  • the measurement block 15 is fixed in a cantilever shape, and the measurement unit 17 becomes a free end, which can be displaced in the vertical direction.
  • the loading plate 20 is fixed and supported by the bolt at the site of the screw hole 18 of the measuring unit 17. Therefore, when the vehicle passes through the loading plate 20, the measuring unit 17 of the measuring block 15 that supports the loading plate 20 instantaneously displaces downward, and the instantaneous displacement is optically measured by the load sensor 33 to derive the instantaneous load. Simultaneously, acceleration is also calculated from the instantaneous displacement, and the weight of one wheel of the passing vehicle can be immediately calculated from the instantaneous load and acceleration, and the vibration acceleration of the base portion described later.
  • this load sensor is provided with a mask member 17h at the center of the tip end face of the measuring unit 17 of the measuring block 15 (see FIG. 2), and for detecting the one-dimensional position on the inner wall surface of the base 10 facing the mask member 17h.
  • the semiconductor position detecting element and the light emitting element 33 are provided, and the mask member 17h is formed from a protrusion between the semiconductor position detecting element and the light emitting element (FIG. 3).
  • the instantaneous displacement of the measuring unit 17 is read by the light emitting unit and the reading unit of the semiconductor position detecting element and the light emitting element 33.
  • FIG. 4 is a front view, a plan view, and a left side view showing the loading plate according to the embodiment.
  • the loading plate 20 is made of a substantially rectangular metal plate material having a short side in the vehicle forward direction V, and bolt holes 21 for fixing to the measurement unit 17 of the measurement block 15 at substantially four corners. Is provided.
  • the bolt holes arranged in the vehicle forward direction V on the left side and right side are shifted to the left and right in order to make the short side length in the vehicle forward direction V shorter, the measurement blocks 15 are arranged in a line in the vertical direction in the figure. This is because they are arranged in a state shifted from side to side.
  • the rectangular metal plate joined to the center of the back surface of the loading plate 20 is provided in order to increase the rigidity of the loading plate 20 and to further reduce vibration caused by passing through the vehicle.
  • FIG. 5 is a front view, a plan view, and a left side view showing the entire weight measuring apparatus according to the embodiment.
  • the weight measuring device for a traveling vehicle according to the present invention forms a unit having a substantially rectangular parallelepiped shape as a whole, and the whole is formed in a recess on the front side of a traffic gate such as ETC. Can be buried.
  • a traffic gate such as ETC.
  • ETC traffic gate
  • the length of the vehicle forward direction V can be formed extremely short, it can be made extremely compact as compared with the conventional measuring apparatus, and labor and time for installation can be reduced. It can be greatly reduced.
  • the reason for such compactness is that, as described above, a pair of left and right measuring blocks 15 are arranged in two rows in the vehicle forward direction V, and the measuring blocks 15 and 15 positioned on the front and rear sides are arranged on the left and right sides. This is because they are not arranged in a line in the front-rear direction, but are arranged at positions shifted left and right. Then, the pair of left and right measuring units 17 and 17 on the front side in the vehicle forward direction V measure one wheel weight first, and then the pair of left and right measuring units 17 and 17 on the front side similarly measure one wheel weight. In addition, the weight of one wheel is calculated from these two measurement values.
  • reference numeral 30 denotes an acceleration sensor.
  • the acceleration sensors 30 and 30 are provided at two locations inside the base body 10 to measure the acceleration of vibration of the base body 10 caused by passing through the vehicle. Yes.
  • the stationary wheel weight of the traveling vehicle is calculated from the instantaneous load and acceleration derived from the instantaneous displacement of the measurement unit 17 of the measurement block 15 and the vibration acceleration value of the base unit 10, that is, the fixed unit 16 of the measurement block 15. Is calculated and derived.
  • the following formula 1 is for deriving the stationary weight from the measured value.
  • Wi the instantaneous load of the measuring unit
  • yi the instantaneous displacement of the measuring unit
  • ⁇ g (A / L) i the acceleration at the free end of the measuring unit
  • ⁇ g (G / L) i the acceleration of the base body
  • g the gravitational acceleration
  • k the spring constant.
  • the travel vehicle weight measurement method according to the present invention measures the wheel load and the like of the passing travel vehicle using the measurement device. That is, it can be installed on the road surface in front of the entrance passage gate of an expressway or the like, and has a substantially rectangular loading plate in plan view through which at least one of the left and right wheels of a vehicle or the like can pass, and the four corners of the loading plate.
  • a measurement device comprising four measurement blocks that support the measurement block and a base part to which the measurement block is fixed, a fixed part to which the measurement block is fixed to the base part, and a cantilever shape from the fixed part
  • These measurement units support the load plate described above, and when the traveling vehicle passes through the load plate, the instantaneous displacement of the measurement unit is measured using an optical sensor.
  • the weight of the traveling vehicle is characterized in that the instantaneous load and acceleration are calculated from the above, the acceleration of the base portion to which the measuring unit is fixed is also measured, and the stationary weight of one wheel is derived based on the formula 1. This is a measurement method.
  • the measurement by four measurement units is a feature.
  • the instantaneous load and acceleration are calculated from the instantaneous displacement, and the vibration acceleration of the base portion is also measured by the acceleration sensor in consideration of the vibration of the base portion. From these values, the stationary weight of one wheel is calculated by Equation 1. It is derived.
  • four measurement units are used. However, the measurement unit can measure only two on the front side and the front side in the passing direction of the vehicle, as in the case of the measurement device. It is.
  • a pair of columnar optical sensors are provided, for example, at a lateral position on the short side of the apparatus.
  • One columnar sensor is provided with light projecting portions at predetermined intervals in the vertical direction
  • the other columnar sensor is provided with light receiving sensors capable of receiving optical signals from the light projecting unit at predetermined intervals in the vertical direction.
  • a pair of columnar sensors are configured so that the detection of the light receiving sensor is cut off so that one traveling vehicle can be recognized. Then, the number of axes of the traveling vehicle can be measured by counting the number of axes measured by the weight measuring device in correspondence with the passing time of one vehicle.
  • the number of axes can be counted without using the vehicle separator as described above. That is, in the measuring apparatus according to the present invention, in order to measure the load of each wheel of the passing traveling vehicle in a very short time, each passing vehicle is identified by discriminating the record of the waveform of the measured load. be able to. By recognizing the first shock wave of the vehicle, this can be used as an internal trigger to confirm the passage of one vehicle, and therefore the number of axes of the vehicle can also be counted.
  • the first shock wave of the vehicle means the maximum load measured by the measurement unit on the near side of the device that first measures the weight of each vehicle. Since the first measured load that entered the measuring device according to the present invention shows a maximum value for each individual vehicle, by recognizing this maximum value (peak value), it is possible to confirm the passage of the individual vehicle, As a result, the number of axes can be counted. More specifically, the internal trigger constantly monitors the output value of the load sensor of one measuring unit, and when this value exceeds the set value, the determined time value is traced back and the signal from that point is Is output to the analysis routine, and the mass and axis numerical values are analyzed and calculated, and then the data is output to the downstream computer. Further, in the present invention, since the weight of each wheel can be measured, the total weight of the vehicle is calculated by the sum of the wheel loads, so that the total weight can be calculated separately from the count of the number of axles. .
  • FIG. 6 is a graph showing measurement results when a truck with three axles passes through the weight measuring device of the present invention.
  • the top polygonal line shows the measurement result of the measuring device at the front side measurement unit (referred to as “front sensor”) in the vehicle forward direction
  • the second polygonal line from the top is the measuring device.
  • the measurement result in the measurement part (referred to as “rear sensor”) on the front side in the vehicle forward direction is shown
  • the bottom broken line shows the measurement value of the acceleration sensor of the base part.
  • the first peak from the left indicates the first axis
  • the second peak indicates the second axis
  • the third peak indicates the third axis.
  • the respective wheel weights are calculated by Formula 1 from the measured values of the front sensor, rear sensor, and base body acceleration sensor.
  • the truck as the vehicle under measurement is traveling forward. It is determined.
  • the maximum value of the rear sensor comes ahead of the maximum value of the front sensor contrary to the above, whereby the traveling direction of the vehicle can be determined.
  • the first shock wave of each individual vehicle is shown in FIG. 6 by the maximum value (peak value) of the front sensor with respect to the top left, first axis, and by recognition of this maximum value, The number of axes of each vehicle is counted.
  • FIG. 7 shows another embodiment of a weight measuring apparatus according to the present invention, in which (A) is a schematic cross-sectional view, (B) is a schematic plan view, and (C) is a schematic vertical cross-sectional view. It is.
  • a pair of measuring blocks 15, 15 are provided at a substantially central portion in the front-rear direction of the front side F and the front side R of the base body portion 10 in the vehicle traveling direction.
  • the measuring blocks 15 and 15 are such that the fixing portion 16 is fixed to the fixing portion receiving portion 11 of the base portion 10, and the measuring portion 17 extending from the fixing portion 16 in a cantilever shape has the loading plate 20 at its substantially central portion. Support and fix.
  • the fixing is fixed by bolts B, B,.
  • a rectangular frame is attached to the back surface of the uppermost loading plate 20, two left and right are attached, and a load sensor attaching flat plate is installed at the center of the four vertical frames at the center. This is fixed with bolts B on the upper surfaces of the measurement parts of the two measurement blocks.
  • These configurations employ an aircraft wing structure, and even if a concentrated load acts on one corner of the loading plate 20, deformation of the loading plate due to bending load is minimized, and Sagging can be prevented, and only the load in the normal direction is applied to the load sensor.
  • the measurement block can be implemented by providing only one set at two locations on the near side and the front side of the substantially central portion of the apparatus in the vehicle traveling direction.
  • the size (horizontal width) of the loading plate in the direction across the road can be freely designed as appropriate.
  • the horizontal width is sufficient if at least one of the left and right wheels of the vehicle can pass through it, and the width can be determined by the road. It may be equivalent to the width of one lane.
  • four measurement blocks are used to measure the weight of one wheel.
  • the loading plate support method is taken into consideration, as shown in FIG. It is sufficient that at least two are provided on the front side and the front side of the plate.
  • the measurement blocks are arranged alternately in order to shorten the length of the loading plate in the vehicle traveling direction, but may be arranged in a line in the vehicle traveling direction.
  • the measurement blocks may be arranged sideways (crossing direction of the road).
  • the semiconductor position detecting element and the light emitting element may be disposed on the base so that the load sensor faces the mask member at the tip of the measurement block.
  • the position where the acceleration sensor provided on the base is provided is also completely free.
  • the present invention provides an apparatus and a method for measuring the weight of a traveling vehicle and the like, which can measure the stationary wheel weight, the axle weight, the number of axes, the total weight, and the traveling direction of the traveling vehicle. It was possible to provide.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Traffic Control Systems (AREA)

Abstract

L'invention porte sur un dispositif pour mesurer le poids, etc., d'un véhicule en déplacement, lequel dispositif est configuré de telle sorte que le dispositif mesure la charge par roue, la charge par essieu, le nombre des essieux, le poids total, la direction d'avance, etc., d'un véhicule passant sur le dispositif, et de telle sorte que le dispositif est compact. Le dispositif comporte : une plaque de charge (20) de forme sensiblement oblongue en vue en plan, la plaque de charge (20) étant apte à être disposée sur un revêtement routier, etc., et permettant à au moins l'une des roues gauche et droite d'un véhicule, etc., de passer sur celle-ci ; quatre blocs de mesure (15) pour supporter les quatre coins de la plaque de charge (20) ; et une section de base (10) sur laquelle sont fixés les blocs de mesure (15). Les blocs de mesure (15) comprennent chacun une section de fixation (16) fixée à la section de base (10), et comprennent également une section de mesure (17) s'étendant sous une forme en porte-à-faux à partir de la section de fixation (16), et les sections de mesure (17) supportent la plaque de charge (20). Lorsqu'un véhicule en déplacement passe sur la plaque de charge (20), le déplacement instantané des sections de mesure (17) est mesuré à l'aide d'un capteur optique, et la charge et l'accélération instantanées sont calculées à partir du déplacement instantané. Le poids statique, etc., de ladite roue peut être dérivé à partir de la charge et de l'accélération instantanées calculées et à partir de la valeur mesurée de l'accélération de la section de base, mesurée par un capteur d'accélération.
PCT/JP2011/056524 2010-07-10 2011-03-18 Dispositif et procédé pour mesurer un poids, etc., d'un véhicule en déplacement WO2012008182A1 (fr)

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JP2010157373A JP5604200B2 (ja) 2010-07-10 2010-07-10 走行車両の重量等測定装置
JP2010-157373 2010-07-10

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Cited By (4)

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CN102654415A (zh) * 2012-04-17 2012-09-05 重庆大唐科技股份有限公司 整车式计重及轴数识别装置
CN109932033A (zh) * 2017-12-15 2019-06-25 基斯特勒控股公司 动态称重系统和利用其进行偏斜和存在测量的方法
CN111442823A (zh) * 2020-05-09 2020-07-24 陕西四维衡器科技有限公司 一种单向三车道车辆称重系统及称重方法
JPWO2021100159A1 (fr) * 2019-11-20 2021-05-27

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Publication number Priority date Publication date Assignee Title
CN104132719B (zh) * 2014-07-14 2017-03-29 上海宇航系统工程研究所 变姿态轮压称重装置
JP6645102B2 (ja) * 2015-10-02 2020-02-12 セイコーエプソン株式会社 計測装置、計測システム、計測方法、及びプログラム
JP7003868B2 (ja) * 2018-08-03 2022-01-21 オムロン株式会社 重量計測システム及び車両分離方法

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JPS52129552A (en) * 1976-04-23 1977-10-31 Kyowa Electronic Instruments Apparatus for measuring shaft weight of running vehicle
JPS6153523A (ja) * 1984-08-24 1986-03-17 Mitsubishi Heavy Ind Ltd 車種判別装置
JPH06186075A (ja) * 1992-12-18 1994-07-08 Bridgestone Corp 車重測定装置
JP3090686B2 (ja) * 1991-08-31 2000-09-25 共栄制御機器株式会社 動的荷重測定方法及び動的荷重測定装置並びにこれらを用いた荷重測定装置

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JPS52129552A (en) * 1976-04-23 1977-10-31 Kyowa Electronic Instruments Apparatus for measuring shaft weight of running vehicle
JPS6153523A (ja) * 1984-08-24 1986-03-17 Mitsubishi Heavy Ind Ltd 車種判別装置
JP3090686B2 (ja) * 1991-08-31 2000-09-25 共栄制御機器株式会社 動的荷重測定方法及び動的荷重測定装置並びにこれらを用いた荷重測定装置
JPH06186075A (ja) * 1992-12-18 1994-07-08 Bridgestone Corp 車重測定装置

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102654415A (zh) * 2012-04-17 2012-09-05 重庆大唐科技股份有限公司 整车式计重及轴数识别装置
CN109932033A (zh) * 2017-12-15 2019-06-25 基斯特勒控股公司 动态称重系统和利用其进行偏斜和存在测量的方法
CN109932033B (zh) * 2017-12-15 2021-09-07 基斯特勒控股公司 动态称重系统和利用其进行偏斜和存在测量的方法
JPWO2021100159A1 (fr) * 2019-11-20 2021-05-27
WO2021100159A1 (fr) * 2019-11-20 2021-05-27 日本電気株式会社 Dispositif d'estimation de poids de véhicule, procédé d'estimation de poids de véhicule et support d'enregistrement lisible par ordinateur
JP7294444B2 (ja) 2019-11-20 2023-06-20 日本電気株式会社 車両重量推定装置、車両重量推定方法、及びプログラム
CN111442823A (zh) * 2020-05-09 2020-07-24 陕西四维衡器科技有限公司 一种单向三车道车辆称重系统及称重方法

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