CN105841786A - Dump truck vehicle automatic metering system - Google Patents

Dump truck vehicle automatic metering system Download PDF

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Publication number
CN105841786A
CN105841786A CN201610262987.3A CN201610262987A CN105841786A CN 105841786 A CN105841786 A CN 105841786A CN 201610262987 A CN201610262987 A CN 201610262987A CN 105841786 A CN105841786 A CN 105841786A
Authority
CN
China
Prior art keywords
lifting
analog
hydraulic cylinder
dump truck
digital converter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610262987.3A
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Chinese (zh)
Inventor
余先兰
王业刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Wangjiang Industry Co Ltd
Original Assignee
Chongqing Wangjiang Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Wangjiang Industry Co Ltd filed Critical Chongqing Wangjiang Industry Co Ltd
Priority to CN201610262987.3A priority Critical patent/CN105841786A/en
Publication of CN105841786A publication Critical patent/CN105841786A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01GWEIGHING
    • G01G19/00Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/08Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for incorporation in vehicles

Abstract

The present invention provides a dump truck vehicle automatic metering system capable of monitoring and alarming in real time. A pressure transmitter is configured to collect the pressure value signals of a hydraulic loop when a lifting hydraulic cylinder is lifting a lifting cylinder and provide the collected pressure value signals to a analog-to-digital converter and a position detection switch; an angular displacement sensor is configured to collect the angular displacement value signals between the swing arm of the lifting hydraulic cylinder and the truck bed when the lifting hydraulic cylinder is lifting the lifting cylinder and provide the collected angular displacement value signals to the analog-to-digital converter; the analog-to-digital converter is configured to receive the signals provided by the pressure transmitter and the angular displacement sensor in real time and determine the conversion of the signals, and then provide the converted signals to an alarm device and a processor; a position detection switch is configured to receive and detect the signals provided by the pressure transmitter and provide the signals to the alarm device and the analog-to-digital converter; and the alarm device is configured to receive the signals provided by the analog-to-digital converter and the position detection switch in real time and has a warning indication lamp which is able to bright up and a buzzer which is able to call when the pressure value signals of the hydraulic loop when the lifting hydraulic cylinder is lifting the lifting cylinder exceeds a presetting load capacity of reflecting the auto load capacity.

Description

A kind of vehicle-mounted automatic metering system of dump truck
Technical field
The present invention relates to dump truck metering system, be specifically related to a kind of vehicle-mounted automatic metering system of dump truck.
Background technology
Dump truck goods overloading is a phenomenon the most universal, is the hidden danger causing serious accident One of.To this end, numerous research institutions and enterprise's development have employed the vehicle-mounted automatic metering system of more dump truck and solve The problem of automobile cargo overload.It is new that domestic Shenhua Group quasi-Ge Er limited energy responsible company proposes a kind of electric vehicle self-unloading Type weighing system, i.e. a kind of vehicle-mounted automatic metering system of dump truck, it is mainly by four suspension pressure sensors, a twin shaft Inclination sensor, the display of a band display screen and controller composition, it uses five sensors, relatively costly and make Obtain structure the most more complicated.Additionally, this system does not has warning device, it is impossible to enough monitored in real time by type of alarm and point out Goods overloads, and makes driver stop in time continuing to load goods.Thus, it is possible to continue to load goods.When by display Display screen finds goods overload, it is necessary to is carried by the goods of overload, causes wasting time and energy.Additionally, goods is serious Overload also can make the tire of dump truck can't bear the heavy load, reduce service life.
Summary of the invention
It is relatively low, easy for installation that the technical problem to be solved in the present invention is to provide a kind of simple in construction, cost, can monitor in real time And the vehicle-mounted automatic metering system of dump truck reported to the police.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that;
A kind of vehicle-mounted automatic metering system of dump truck, including pressure transmitter, angular displacement sensor, analog-digital converter, position Detection switch, band buzzer and the warning device of alarm indicator, processor and display screen:
Described pressure transmitter gathers the pressure value signal of lifting hydraulic cylinder hydraulic circuit when load lifting cylinder lifts and synchronizes respectively It is supplied to analog-digital converter and position detecting switch,
Described angular displacement sensor gathers lifting hydraulic cylinder value of angular displacement letter when load lifting cylinder lifts, between its swing arm and railway carriage Number and be supplied to analog-digital converter,
After described analog-digital converter accepts pressure transmitter and the signal of angular displacement sensor offer in real time and judges conversion, respectively It is simultaneously supplied to warning device and processor,
Described position detecting switch accepts, detects the signal of pressure transmitter offer and be supplied to warning device and analog-to-digital conversion Device,
Described warning device accepts analog-digital converter and the signal of position detecting switch offer in real time, when lifting hydraulic cylinder is in lifting When cylinder lifts, the pressure value signal of hydraulic circuit exceedes the loading capacity of reflection dump truck vehicle load set in advance or During lifting value of angular displacement between its swing arm and railway carriage, the alarm indicator on warning device is shinny and buzzer call,
The multiple analog signal that analog-digital converter is provided by described processor carries out calculating process and is converted into the vehicle-mounted heavy of reality Value, display are on a display screen.
Preferably, the described lifting hydraulic cylinder lifting value of angular displacement between its swing arm and railway carriage set in advance in the range of 25 ° to 65 °, when lifting hydraulic cylinder is when lifting lifting value of angular displacement that in railway carriage, the weight of institute's loaded objects is reflected and being 25 °, Described pressure transmitter starts to gather lifting hydraulic cylinder and at the pressure value signal of hydraulic circuit and is supplied to analog-digital converter, and lifts Rise the lifting value of angular displacement between swing arm and the railway carriage of hydraulic cylinder often increase 10 ° i.e. repeated acquisition and provide once, to lifting liquid When lifting value of angular displacement between swing arm and the railway carriage of cylinder pressure reaches 65 °, the alarm indicator of warning device is shinny and buzzer Pipe.
Preferably, the described lifting hydraulic cylinder pressure value signal of hydraulic circuit reflection set in advance when load lifting cylinder lifts The loading capacity of dump truck vehicle load is the maximum loading that the dumper of demarcation can reach.
Preferably, described pressure transmitter is installed on the oil supply loop of body lifting hydraulic cylinder lifting hydraulic system.
Preferably, described angular displacement sensor is arranged on vehicle frame and tumbles on the middle bloster near seat.
Preferably, described analog-digital converter, processor and display screen are arranged in driver's cabin.
Preferably, described position detecting switch is electric-controlled switch, is arranged near the cylinder pedestal of lifting hydraulic cylinder.
Preferably, described pressure transmitter employing threeway crossover sub is installed on the packing case lifting hydraulic pressure of lifting hydraulic cylinder On the oil supply loop of system.
Preferably, described analog-digital converter, the alarm indicator of warning device, processor and display screen integrate assembling In controlling box, described control box is arranged in driver's cabin.
Preferably, described processor is DSP Processor TMS320F2812, and it uses aluminum casing to install.
Compared with prior art, the present invention comprises following beneficial effect:
Owing to pressure transmitter of the present invention gathers lifting hydraulic cylinder pressure value signal of hydraulic circuit when load lifting cylinder lifts And synchronizing to be respectively supplied to analog-digital converter and position detecting switch, described angular displacement sensor gathers lifting hydraulic cylinder in lifting Value of angular displacement signal when cylinder lifts, between its swing arm and railway carriage is also supplied to analog-digital converter, and described analog-digital converter is real-time After pressure transmitter and the signal of angular displacement sensor offer being provided and judging conversion, it is simultaneously supplied to warning device and place respectively Reason device, described position detecting switch accepts, detects the signal of pressure transmitter offer and be supplied to warning device and analog-to-digital conversion Device, described warning device accepts analog-digital converter and the signal of position detecting switch offer in real time, when lifting hydraulic cylinder is in lifting When cylinder lifts, the pressure value signal of hydraulic circuit exceedes the loading capacity of reflection dump truck vehicle load set in advance or During lifting value of angular displacement between its swing arm and railway carriage, the alarm indicator of warning device is shinny and buzzer call, described place The reason device multiple analog signal that provides analog-digital converter carries out calculating process the vehicle load value being converted into reality, shows and exist On display screen.Thus, as long as when the pressure value signal of the hydraulic circuit of lifting hydraulic cylinder exceedes reflection self-unloading vapour set in advance During lifting value of angular displacement during the loading capacity of car vehicle load or between swing arm and railway carriage, the alarm indicator of warning device is sent out Bright and buzzer call.Meanwhile, vehicle load value can show on a display screen, and driver seeing and will hear warning device Alarm indicator is shinny and during buzzer call or see that vehicle load shown on display screen exceedes the vehicle-mounted of setting During weight, stop the operation of lifting hydraulic cylinder immediately and load goods, thus preventing dump truck vehicle-carrying overload.This makes it possible to By the real-time prompting of the buzzer call on warning device, driver is made to stop the operation of lifting hydraulic cylinder immediately and load goods Thing, it is therefore prevented that only find that goods overloads, the goods of overload is carried by needs by display, asking of wasting time and energy Topic.Simultaneously as the present invention is only with an angular displacement sensor so that the cost of whole system is relatively low and structure also compares Simply.Additionally, dump truck also seriously will not overload because of goods and make tire can't bear the heavy load thus the service life of tire relatively High.
Figure of description
Fig. 1 is the theory structure schematic diagram of dumper vehicle load automatic metering system of the present invention;
Fig. 2 is the scheme of installation of dumper vehicle load automatic metering system of the present invention.
Detailed description of the invention
The present invention is described in further detail with detailed description of the invention below in conjunction with the accompanying drawings.
Seeing Fig. 1 and Fig. 2, the vehicle-mounted automatic metering system of dump truck of the present invention, including pressure transmitter 1, angular displacement The warning device 5 of sensor 2, analog-digital converter 3, position detecting switch 4, band buzzer and alarm indicator, processor 6 and aobvious Display screen 7.As shown in Figure 1, described pressure transmitter 1 gathers lifting hydraulic cylinder 8 force value of hydraulic circuit when load lifting cylinder lifts Signal also synchronizes to be respectively supplied to analog-digital converter 3 and position detecting switch 4, and described angular displacement sensor 2 gathers lifting hydraulic pressure The cylinder 8 value of angular displacement signal when load lifting cylinder lifts, between its swing arm and railway carriage is also supplied to analog-digital converter 3, described modulus After converter 3 accepts pressure transmitter 1 and the signal of angular displacement sensor 2 offer in real time and judges conversion, provide the most simultaneously To warning device 5 and processor 6, described position detecting switch 4 accepts, detects the signal of pressure transmitter 1 offer and be supplied to Warning device 5 and analog-digital converter 3, described warning device 5 accepts what analog-digital converter 3 and position detecting switch 4 provided in real time Signal, when lifting hydraulic cylinder 8 pressure value signal of hydraulic circuit when load lifting cylinder lifts exceedes reflection self-unloading vapour set in advance During lifting value of angular displacement during the loading capacity of car vehicle load or between its swing arm and railway carriage, the alarm on warning device 5 refers to Showing that lamp is shinny and buzzer call, the multiple analog signal that analog-digital converter 3 is provided by described processor 6 carries out calculating process And it is converted into the vehicle load value of reality, display on display screen 7.Thus, if the pressure of the hydraulic circuit when lifting hydraulic cylinder 8 Lifting when force value signal exceedes the loading capacity of reflection dump truck vehicle load set in advance or between swing arm and railway carriage During value of angular displacement, the alarm indicator of warning device 5 is shinny and buzzer call.Meanwhile, vehicle load value can show in display On screen 7.Driver seeing and will hear that the alarm indicator of warning device 5 is shinny and during buzzer call or see aobvious Vehicle load shown by display screen 7, by when exceeding the vehicle load of setting, stops the operation of lifting hydraulic cylinder 8 immediately and loads goods Thing, thus prevent dump truck vehicle-carrying overload.This makes it possible to the real-time prompting by the buzzer call on warning device 5, Driver is made to stop the operation of lifting hydraulic cylinder 8 immediately and load goods, it is therefore prevented that goods can only be found by display screen Overload, the problem being accomplished by being carried by the goods of overload, wasting time and energy.Additionally, dump truck also will not be serious because of goods Overload and make tire can't bear the heavy load, Life of Tyre thus higher.Simultaneously as the present invention passes only with an angular displacement Sensor 2 so that the cost of whole system is relatively low and structure is the most fairly simple.Further, pressure transmitter 1 of the present invention, Angular displacement sensor 2, analog-digital converter 3, position detecting switch 4, the warning device 5 of band alarm indicator, processor 6 and display Screen 7 may each be general product common on market, thus the cost of the present invention is lower.
The described lifting hydraulic cylinder 8 lifting value of angular displacement between its swing arm and railway carriage set in advance is in the range of 25 ° extremely 65 °, when lifting hydraulic cylinder 8 is when lifting lifting value of angular displacement that in railway carriage, the weight of institute's loaded objects is reflected and being 25 °, described Pressure transmitter 1 starts to gather lifting hydraulic cylinder 8 and at the pressure value signal of hydraulic circuit and is supplied to analog-digital converter 3, and lifts Rise the lifting value of angular displacement between swing arm and the railway carriage of hydraulic cylinder 8 often increase 10 ° i.e. repeated acquisition and provide once, to lifting liquid When lifting value of angular displacement between swing arm and the railway carriage of cylinder pressure 8 reaches 65 °, warning device 5 alarm indicator is shinny and buzzer Pipe.This makes the scope of application ratio of the present invention wide, gathers lifting hydraulic cylinder 8 set in advance between its swing arm and railway carriage Lifting value of angular displacement be easier set.
Described lifting hydraulic cylinder 8 is the pressure value signal of hydraulic circuit reflection set in advance self-unloading vapour when load lifting cylinder lifts The loading capacity of car vehicle load is the maximum load weight range that the dumper of demarcation can reach.This also makes being suitable for of the present invention Scope ratio is wide, it is possible to be applied on the dump truck of different vehicle load.
As can be seen from Figure 2, described pressure transmitter 1 is installed on the oil supply loop of body lifting hydraulic cylinder 8 lifting hydraulic system On.It is calibrated that this makes pressure transmitter 1 gather lifting hydraulic cylinder 8 pressure value signal ratio of hydraulic circuit when load lifting cylinder lifts Really.
As can be seen from Figure 2, described angular displacement sensor 2 is arranged on vehicle frame and tumbles on the middle bloster near seat.This makes position, angle Displacement sensor 2 gathers the lifting hydraulic cylinder 8 value of angular displacement signal while load lifting cylinder lifts, between its swing arm with railway carriage and compares Accurately.
As can be seen from Figure 2, described analog-digital converter 3, processor 6 and display screen 7 are arranged in driver's cabin.This makes modulus turn The installation of parallel operation 3, processor 6 and display screen 7 is overhauled more convenient and driver and is observed vehicle load shown on display screen 7 More convenient easily.
As can be seen from Figure 2, described position detecting switch 4 is electric-controlled switch, and the cylinder pedestal being arranged on lifting hydraulic cylinder 8 is attached Closely.The signal that this makes position detecting switch 4 accept, detect pressure transmitter 1 provides is easier, accurately.
As can be seen from Figure 2, described pressure transmitter 1 employing threeway crossover sub is installed on the container act of lifting hydraulic cylinder 8 Rise on the oil supply loop of hydraulic system.This make the connection between pressure transmitter 1 and lifting hydraulic cylinder 8 more convenient easily and Gather lifting hydraulic cylinder 8 pressure value signal of hydraulic circuit when load lifting cylinder lifts more accurate.
As can be seen from Figure 2, described analog-digital converter 3, the alarm indicator of warning device 5, processor 6 and display screen 7 one Integrated being assemblied in controls in box, and described control box is arranged in driver's cabin.This makes analog-digital converter 3, the alarm of warning device 5 The installation and maintenance of indicator lamp, processor 6 and display screen 7 are more convenient.
Described processor 6 is DSP Processor TMS320F2812, and it uses aluminum casing to install.This makes processor 6 Action effect is preferable and anti-interference preferable, so that the overall anti-interference of the present invention is preferable.

Claims (10)

1. the vehicle-mounted automatic metering system of dump truck, including pressure transmitter (1), angular displacement sensor (2), analog-to-digital conversion The warning device (5) of device (3), position detecting switch (4), band buzzer and alarm indicator, processor (6) and display screen (7), It is characterized in that:
It is the most same that described pressure transmitter (1) gathers lifting hydraulic cylinder (8) pressure value signal of hydraulic circuit when load lifting cylinder lifts Step is respectively supplied to analog-digital converter (3) and position detecting switch (4),
Described angular displacement sensor (2) gathers the lifting hydraulic cylinder (8) position, angle when load lifting cylinder lifts, between its swing arm and railway carriage Move value signal and be supplied to analog-digital converter (3),
Described analog-digital converter (3) accepts pressure transmitter (1) in real time and angular displacement sensor (2) provides signal also judges to turn After changing, it is simultaneously supplied to warning device (5) and processor (6) respectively,
Signal that described position detecting switch (4) accepts, detect pressure transmitter (1) provides and be supplied to warning device (5) and Analog-digital converter (3),
The signal that described warning device (5) accepts analog-digital converter (3) in real time and position detecting switch (4) provides, when lifting liquid Cylinder pressure (8) pressure value signal of hydraulic circuit when load lifting cylinder lifts exceedes reflection dump truck vehicle load set in advance During lifting value of angular displacement during loading capacity or between its swing arm and railway carriage, the alarm indicator of warning device (5) is shinny and honeybee Ring device pipes,
Described processor (6) carries out calculating process and is converted into reality the multiple analog signal that analog-digital converter (3) provides Vehicle load value, display are on display screen (7).
The vehicle-mounted automatic metering system of dump truck the most according to claim 1, it is characterised in that: described lifting hydraulic cylinder (8) the lifting value of angular displacement between its swing arm and railway carriage set in advance is in the range of 25 ° to 65 °, when lifting hydraulic cylinder (8) exists Lifting the weight of institute's loaded objects is reflected in railway carriage lifting value of angular displacement when being 25 °, described pressure transmitter (1) starts to adopt Collect lifting hydraulic cylinder (8) and at the pressure value signal of hydraulic circuit and be supplied to analog-digital converter (3), and lifting hydraulic cylinder (8) Lifting value of angular displacement between swing arm and railway carriage often increases 10 ° i.e. repeated acquisition and provides once, to moving of lifting hydraulic cylinder (8) When lifting value of angular displacement between arm and railway carriage reaches 65 °, the alarm indicator of warning device (5) is shinny and buzzer call.
The vehicle-mounted automatic metering system of dump truck the most according to claim 1, it is characterised in that: described lifting hydraulic cylinder (8) when load lifting cylinder lifts, the loading capacity of the pressure value signal of hydraulic circuit reflection set in advance dump truck vehicle load is The maximum loading that the dump truck demarcated can reach.
The vehicle-mounted automatic metering system of dump truck the most according to claim 1, it is characterised in that: described pressure transmitter (1) it is installed on the oil supply loop of body lifting hydraulic cylinder (8) lifting hydraulic system.
The vehicle-mounted automatic metering system of dump truck the most according to claim 1, it is characterised in that: described angular displacement sensor (2) it is arranged on vehicle frame to tumble on the middle bloster near seat.
The vehicle-mounted automatic metering system of dump truck the most according to claim 1, it is characterised in that: described analog-digital converter (3), processor (6) and display screen (7) are arranged in driver's cabin.
The vehicle-mounted automatic metering system of dump truck the most according to claim 1, it is characterised in that: described position detecting switch (4) it is electric-controlled switch, is arranged near the cylinder pedestal of lifting hydraulic cylinder (8).
The vehicle-mounted automatic metering system of dump truck the most according to claim 1, it is characterised in that: described pressure transmitter (1) on the oil supply loop of the packing case lifting hydraulic system that employing threeway crossover sub is installed on lifting hydraulic cylinder (8).
The vehicle-mounted automatic metering system of dump truck the most according to claim 1, it is characterised in that: described analog-digital converter (3), the alarm indicator of warning device (5), processor (6) and display screen (7) integrate and be assemblied in control box, described control Box processed is arranged in driver's cabin.
The vehicle-mounted automatic metering system of dump truck the most according to any one of claim 1 to 9, it is characterised in that: described Processor (6) is DSP Processor TMS320F2812, and it uses aluminum casing to install.
CN201610262987.3A 2016-04-26 2016-04-26 Dump truck vehicle automatic metering system Pending CN105841786A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610262987.3A CN105841786A (en) 2016-04-26 2016-04-26 Dump truck vehicle automatic metering system

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Application Number Priority Date Filing Date Title
CN201610262987.3A CN105841786A (en) 2016-04-26 2016-04-26 Dump truck vehicle automatic metering system

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CN105841786A true CN105841786A (en) 2016-08-10

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050167164A1 (en) * 2004-01-15 2005-08-04 Komatsu Ltd. Loaded weight measurement method and loaded weight measurement device for dump truck
CN101788326A (en) * 2009-01-23 2010-07-28 重庆大唐测控技术有限公司 Weighing device of dump truck
CN101885310A (en) * 2010-08-12 2010-11-17 湘电重型装备股份有限公司 Vehicle-mounted weighing system of dumper for surface mine
CN201903391U (en) * 2010-12-24 2011-07-20 重庆大唐科技股份有限公司 Weighting device for carriage of dump truck
CN102788635A (en) * 2012-06-18 2012-11-21 三一矿机有限公司 Mine car weighing system and method thereof
CN103033244A (en) * 2012-11-29 2013-04-10 一重集团大连设计研究院有限公司 Weighting device and working method for mining self-discharging vehicle
CN203349915U (en) * 2013-05-17 2013-12-18 厦门厦工重工有限公司 Automatic weighing device for off-highway dumper
CN103913214A (en) * 2012-12-28 2014-07-09 秦皇岛天业通联重工股份有限公司 On-board automatic weighing system
CN205843794U (en) * 2016-04-26 2016-12-28 重庆望江工业有限公司 A kind of vehicle-mounted automatic metering system of dump truck

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050167164A1 (en) * 2004-01-15 2005-08-04 Komatsu Ltd. Loaded weight measurement method and loaded weight measurement device for dump truck
CN101788326A (en) * 2009-01-23 2010-07-28 重庆大唐测控技术有限公司 Weighing device of dump truck
CN101885310A (en) * 2010-08-12 2010-11-17 湘电重型装备股份有限公司 Vehicle-mounted weighing system of dumper for surface mine
CN201903391U (en) * 2010-12-24 2011-07-20 重庆大唐科技股份有限公司 Weighting device for carriage of dump truck
CN102788635A (en) * 2012-06-18 2012-11-21 三一矿机有限公司 Mine car weighing system and method thereof
CN103033244A (en) * 2012-11-29 2013-04-10 一重集团大连设计研究院有限公司 Weighting device and working method for mining self-discharging vehicle
CN103913214A (en) * 2012-12-28 2014-07-09 秦皇岛天业通联重工股份有限公司 On-board automatic weighing system
CN203349915U (en) * 2013-05-17 2013-12-18 厦门厦工重工有限公司 Automatic weighing device for off-highway dumper
CN205843794U (en) * 2016-04-26 2016-12-28 重庆望江工业有限公司 A kind of vehicle-mounted automatic metering system of dump truck

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Application publication date: 20160810