CN101788326A - Weighing device of dump truck - Google Patents

Weighing device of dump truck Download PDF

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Publication number
CN101788326A
CN101788326A CN200910103134A CN200910103134A CN101788326A CN 101788326 A CN101788326 A CN 101788326A CN 200910103134 A CN200910103134 A CN 200910103134A CN 200910103134 A CN200910103134 A CN 200910103134A CN 101788326 A CN101788326 A CN 101788326A
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CN
China
Prior art keywords
sensor
weighing
pivot pin
pin sensor
dump truck
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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
CN200910103134A
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Chinese (zh)
Inventor
唐廷烨
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Chongqing Data Control Technology Co Ltd
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Chongqing Data Control Technology Co Ltd
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Publication date
Application filed by Chongqing Data Control Technology Co Ltd filed Critical Chongqing Data Control Technology Co Ltd
Priority to CN200910103134A priority Critical patent/CN101788326A/en
Publication of CN101788326A publication Critical patent/CN101788326A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a weighing device of a dump truck, comprising a sensor combination and a weighing instrument. The sensor combination is arranged between the lower part of a carriage and a truck beam, and the weighing instrument arranged on a truck head is used for receiving a sensor combination signal; the sensor combination includes an axle pin sensor arranged at the tail part of the beam of the dump truck and a pressure sensor which is arranged on the beam of the dump truck and is connected with an oil outlet pipeline communicated with a hydraulic supporting rod; the axle pin sensor is used for transmitting a weighing signal to the weighing instrument by an axle pin sensor signal transmission wire which is arranged on a truck body and is connected with the axle pin sensor; and the pressure sensor is used for transmitting the weighing signal to the weighing instrument by a pressure sensor signal transmission wire which is arranged on the truck body and is connected with the pressure sensor. The weighing device solves the technical problems that the weighing device can timely as well as conveniently weigh the loading quantity of the truck and can measure the weight of loaded goods at the same time as the goods are unloaded due to adopting the dynamic weighing mode.

Description

A kind of weighing device of dump truck
Technical field
The present invention relates to a kind of weighing device that loads lorry, particularly a kind of weighing device of dump truck is applicable on the dumper that utilizes hydraulic pump promotion support bar to promote the compartment discharging again and uses.
Background technology
At present, usually there are two kinds at the lorry mode of weighing of loading, a kind of is that the lorry that will load drives to the weight that deducts lorry self after weighing on the fixing weighbridge, this mode of weighing must arrive the place that is equipped with weighbridge of appointment and just can weigh, and can not when loading, the strange land of lorry monitor at any time, can not control charging capacity timely, lorry itself and traffic safety are caused certain danger, monitor at any time in the time of more can not be the strange land discharging; Another kind of, as the disclosed technical scheme of Chinese patent CN2319796: be between the bottom, compartment of lorry and car beam, to be mounted with LOAD CELLS, on car body, be mounted with the terminal box and the weighing instrument that are connected with sensor, though this mode of weighing can be monitored in the loading of lorry at any time, weigh up the charging capacity of lorry timely and conveniently, but this technical scheme only is applicable to bulk-cement tanker, tank wagon, the fixedly connected vehicles of the relative car beam in compartment such as liquefied petroleum car, utilizing hydraulic pump promotion support bar to promote again on the dumper of compartment discharging if use, though also can effectively in the loading of dumper, monitor at any time, weigh up the charging capacity of lorry timely and conveniently, but can not when carrying out discharging, measure the weight of the thing of freighting.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of weighing device that is applicable on the dumper that utilizes hydraulic pump promotion hydraulic pressure support bar to promote the compartment discharging again, solving dumper uses dynamical fashion to weigh, weigh up the charging capacity of lorry timely and conveniently, can when carrying out discharging, measure the technical matters of the weight of the thing of freighting simultaneously again.
In order to solve the problems of the technologies described above, the invention provides a kind of weighing device of dump truck, include the sensor combinations that is arranged between bottom, compartment and the car beam, be arranged on the weighing instrument of the receiving sensor composite signal on the headstock, wherein, the pressure transducer that links to each other with flowline that the hydraulic pressure support bar communicates on sensor combinations includes the pivot pin sensor that is installed in dumper car beam rear part and is installed in dumper car beam, the pivot pin sensor sends weighing-up wave to weighing instrument by being arranged in the pivot pin sensor signal transmission line that is connected with the pivot pin sensor on the car body, and pressure transducer sends weighing-up wave to weighing instrument by being arranged in the pressure sensor signal transmission line that is connected with pressure transducer on the car body.
Adopt the weighing device of dump truck of technique scheme, because any object, no matter its position, how conversion of center of gravity, the intrinsic quality of object itself keeps constant, the gravity that bears on the pivot pin sensor, add that the hydraulic pressure that hydraulic pressure transducer bears is exactly the weight of the goods of surveying, when no matter when loading, still unloading, utilizing hydraulic pump to promote the forward part weight in compartment that the hydraulic pressure support bar promotes the dumper of compartment discharging again acts on the hydraulic pressure support bar of dumper, produce transducing signal by being installed in the pressure transducer that the hydraulic pressure flowline that communicates with the hydraulic pressure support bar on the dumper car beam communicates, transducing signal sends A/D converter to by the pressure sensor signal transmission line that is connected with pressure transducer, A/D converter changes into digital signal with the weighing-up wave of simulation, sends the CPU processor again to; Simultaneously, the rear section weight in compartment acts on the pivot pin sensor that is installed in dumper car beam rear part, the pivot pin sensor produces transducing signal, transducing signal by be arranged in car body on the pivot pin sensor signal transmission line that is connected with the pivot pin sensor send A/D converter to, A/D converter changes into digital signal with the weighing-up wave of simulation, send the CPU processor again to, after two groups of signals that the CPU processor will receive are handled, send the weighing instrument that is installed on the headstock in the lump to, weighing instrument has just demonstrated the weight of self-unloading institute lade, therefore can weigh up the charging capacity of lorry timely and conveniently, when carrying out discharging, also can measure simultaneously the weight of the thing of freighting, realize the technical matters that the technical program will solve.
Further, limit described pivot pin sensor and be set with bearing outward, the bearing external fixation is on the car beam, the bottom, compartment is fixed with connecting link, connecting link is fixedly contacting the pressure-bearing surface of pivot pin sensor, and during discharging, compartment, connecting link and pivot pin sensor rotate round hinge axis simultaneously, when such structural limitations can guarantee no matter to be loading or during discharging, the rear section weight in compartment can both act on hinge and be installed on the pivot pin sensor of dumper car beam rear part.
Certainly, also can adopt other mode at the mounting means of pivot pin sensor, promptly adopt the described pivot pin sensor of qualification to be fixed on Che Liangshang, the connecting link movable set is on the pivot pin sensor, connecting link is fixedly contacting the pressure-bearing surface of pivot pin sensor, during discharging, connecting link is round the mode of pin sensor rotation, the installation of this mode, when discharging, connecting link is round pivot pin sensor rotation but be permanently connected to the pressure-bearing surface of pivot pin sensor, and the rear section weight in compartment can both act on hinge and be installed on the pivot pin sensor of dumper car beam rear part.
Consider in the market the dumper hydraulic pressure support bar base that uses all be arranged on usually the car beam about medium line on, in order better to guarantee the stressed even of pivot pin sensor, further, limiting described pivot pin sensor is two, and Dui Cheng hinge is installed in the car beam car beam rear part end of the left and right sides of dumper hydraulic pressure support bar base respectively.
In order further to improve measuring accuracy, consider in compartment discharge process kind, the variation of dump truck discharge speed has certain influence can for the measuring accuracy of weight, limit in the described sensor combinations except including above-mentioned pressure transducer and pivot pin sensor, also include the speed pickup that is installed on the car beam, speed pickup sends weighing-up wave to weighing instrument by being arranged in the speed sensor signal transmission line that is connected with speed pickup on the car body.During use, speed pickup can be automatically according to detecting dump truck discharge speed, and compensate the error that it brought automatically according to the speed of dump truck discharge speed, the signal that revisal is gathered, directly sending transducing signal to the CPU processor handles, the signal that sends the CPU processor to above-mentioned pressure transducer and pivot pin sensor sends the weighing instrument that is installed on the headstock in the lump to, guarantees the accuracy of the more accurate data of weighing during to unloading.
Same reason, consider that dumper is when loading or unloading, residing position is horizontal level not necessarily, and when the dumper car load is in non-horizontal level, the non-horizontal level of dumper can have certain influence to the measuring accuracy of weight, limit in the described sensor combinations except including above-mentioned pressure transducer and pivot pin sensor, also include the horizon sensor that is installed on the car beam, horizon sensor sends weighing-up wave to weighing instrument by being arranged in the horizon sensor data line that is connected with horizon sensor on the car body.During use, the horizon sensor energy measurement goes out the angle that dumper departs from surface level, automatically depart from the angle of horizontal level and make weight compensating according to detected dumper, the signal that revisal is gathered, send transducing signal to A/D converter by the horizon sensor data line that is connected with horizon sensor, A/D converter changes into digital signal with the compensating signal of simulation, sending the CPU processor again to handles, the signal that sends the CPU processor to above-mentioned pressure transducer and pivot pin sensor sends the weighing instrument that is installed on the headstock in the lump to, guarantees the accuracy of the more accurate data of weighing during to unloading.
In above-mentioned technical scheme, can also comprise pressure transducer, pivot pin sensor, speed pickup and four kinds of sensors of horizon sensor in the described sensor combinations simultaneously, its installation site is consistent with above-mentioned situation with operating position, at last sending the signal that is collected to the CPU processor in the lump in the lump handles, send the weighing instrument that is installed on the headstock again to, guarantee more accurate the time the weigh accuracy of data of unloading.
There is any need to prove, above-mentioned pressure transducer, pivot pin sensor, speed pickup and four kinds of sensors of horizon sensor and A/D converter all are the conventional instruments that can get access on the market, its principle of work and using method all are that those skilled in the art can cross grasp, are enough to guarantee that by above-mentioned explanation those skilled in the art implement the technical scheme of this patent.
Description of drawings
Below in conjunction with drawings and Examples technical solution of the present invention is further specified:
Fig. 1 is the structural representation of a kind of weighing device of dump truck embodiment one of the present invention;
Fig. 2 is the partial left TV structure synoptic diagram in Fig. 1 Zhong Cheliang and compartment;
Fig. 3 is the schematic flow sheet that sensor transmits signal;
Fig. 4 is the synoptic diagram of the mounting means one of pivot pin sensor;
Fig. 5 is the synoptic diagram of the mounting means two of pivot pin sensor.
Embodiment
As Fig. 1, Fig. 2, shown in Figure 3, a kind of weighing device of dump truck of the embodiment of the invention, include the weighing instrument 2 of the receiving sensor composite signal that is arranged on the headstock 1, hinge is installed in the pivot pin sensor 7a of dumper car beam 3 afterbodys, be installed on the dumper car beam 3 the pressure transducer 6a that links to each other with flowline 6c that hydraulic pressure support bar 6 communicates, be arranged on the horizon sensor 4a on the car beam 3, be arranged on the speed pickup 5a of car beam 3 sides, pivot pin sensor 7a sends weighing-up wave to A/D converter 9 by being arranged in the pivot pin sensor signal transmission line 7b that is connected with pivot pin sensor 7a on the car body, will pass to CPU processor 10 after the inverted signal again; Pressure transducer 6a sends weighing-up wave to A/D converter 9 by being arranged in the pressure sensor signal transmission line 6b that is connected with pressure transducer 6a on the car body, will pass to CPU processor 10 after the inverted signal again; Horizon sensor 4a sends weighing-up wave to A/D converter 9 by being arranged in the horizon sensor signal transmssion line 4b that is connected with horizon sensor 4a on the car body, will pass to CPU processor 10 after the inverted signal again; Speed pickup 5a sends weighing-up wave to CPU processor 10 by being arranged in the speed sensor signal transmission line 5b that is connected with speed pickup 5a on the car body, after the signal Processing of CPU processor 10 with all collections, send weighing instrument 2 in the lump to, by the processing unit of the weighing instrument 2 accurate goods weight of reflection after treatment.
The mounting structure of above-mentioned pivot pin sensor 7a as shown in Figure 4, outside pivot pin sensor 7a, be set with bearing 11, bearing 11 external fixation are on car beam 3,8 bottoms, compartment are fixed with connecting link 7, connecting link 7 is fixedly contacting the pressure-bearing surface 7c of pivot pin sensor 7a, during discharging, compartment 8, connecting link 7 and pivot pin sensor 7a are simultaneously round hinge axis 12 rotations, when such structure can guarantee no matter to be loading or during discharging, the rear section weight in compartment 8 can both act on hinge and be installed on the pivot pin sensor 7a of dumper car beam 3 afterbodys, thereby, no matter which kind of position compartment 8 is in, and when whether material being arranged in the compartment 8, can both produce transducing signal by pivot pin sensor 7a, guarantee the stability that signal transmits.
Certainly, the mounting structure of pivot pin sensor 7a also can be as shown in Figure 5, pivot pin sensor 7a is fixedly mounted on the car beam 3, connecting link 7 movable sets are on pivot pin sensor 7a, 8 bottoms, compartment are fixed with connecting link 7, connecting link 7 is fixedly contacting the pressure-bearing surface 7c of pivot pin sensor 7a, during discharging, connecting link 7 is around pivot pin sensor 7a rotation, when such structure also can guarantee no matter to be loading or during discharging, the rear section weight in compartment 8 can both act on hinge and be installed on the pivot pin sensor 7a of dumper car beam 3 afterbodys, thereby no matter which kind of position compartment 8 is in, and when whether material being arranged in the compartment 8, can both produce transducing signal by pivot pin sensor 7a, guarantee the stability that signal transmits.
During use, when no matter when loading, still unloading, utilizing hydraulic pump 6d to promote the forward part weight in compartment 8 that hydraulic pressure support bar 6 promotes the dumper of compartment 8 dischargings again acts on the hydraulic pressure support bar 6 of dumper, produce transducing signal by being installed in the pressure transducer 6a that the hydraulic pressure flowline 6c that communicates with hydraulic pressure support bar 6 on the dumper car beam 3 is connected, transducing signal sends A/D converter 9 to by pressure sensor signal transmission line 6b, A/D converter 9 changes into digital signal with the weighing-up wave of simulation, sends CPU processor 10 again to; Simultaneously, the rear section weight in compartment 8 acts on the pivot pin sensor 7a that is installed in dumper car beam 3 afterbodys, pivot pin sensor 7a produces transducing signal, transducing signal sends A/D converter 9 to by pivot pin sensor signal transmission line 7b, A/D converter 9 changes into digital signal with the weighing-up wave of simulation, send CPU processor 10 again to, in addition, dumper departed from the angle of horizontal level and makes the weight compensating signal and sends A/D converter 9 to when horizon sensor 4a was in non-horizontal level by being arranged in horizon sensor signal transmssion line 4b on the car body with dumper, will pass to CPU processor 10 after the inverted signal again; When speed pickup 5a will work as discharge rate and change by being arranged in speed sensor signal transmission line 5b on the car body automatically the error signal brought of compensation send CPU processor 10 to, after two groups of signals that CPU processor 10 will receive are handled, send the weighing instrument that is installed on the headstock in the lump to, weighing instrument has just demonstrated the weight of dumper institute lade, therefore can weigh up the charging capacity of lorry timely and conveniently, when carrying out discharging, also can measure simultaneously the weight of the thing of freighting, realize the technical matters that the technical program will solve.
In addition, can also pass through input operating devices such as keyboard, mouse, control CPU processor 10, thereby the action of loading or unload is controlled according to concrete demand, can also weighing data be uploaded to monitoring side by wireless network by GPRS, and can send the position of automobile to monitoring side by GPS, make the monitoring can be in Control Room, viewing the position at automobile place, and the weight of institute's cargo.
Wherein, pivot pin sensor in above-mentioned is that TJH-9 pivot pin sensor, the pressure transducer of Bengbu daylight measurement and control instrument Watch Factory supply is that MB16 series silicon piezoresistance type pressure sensor, the speed pickup of Nanjing Gaohua Technology Co., Ltd. of East China Electronics Co., Ltd group supply is that tongue tube sensor, horizon sensor adopt PM-TS II horizon sensor, the A/D converter that uses is the A/D converter of CS5532 as chip, and these all are the conventional instruments that can get access on the market.
Above-described only is wherein a kind of embodiment of the present invention; be not so limit the protection domain of patent of the present invention, the technical scheme that is equal to that every utilization description of the present invention has been done, directly or indirectly use the technology of technical scheme of the present invention all to fall into the protection domain of patent of the present invention.

Claims (6)

1. weighing device of dump truck, include the sensor combinations that is arranged between bottom, compartment and the car beam, be arranged on the weighing instrument of the receiving sensor composite signal on the headstock, it is characterized in that: the pressure transducer that the flowline that communicates with the hydraulic pressure support bar on sensor combinations includes the pivot pin sensor that is installed in dumper car beam rear part and is installed in dumper car beam is connected, the pivot pin sensor sends weighing-up wave to weighing instrument by being arranged in the pivot pin sensor signal transmission line that is connected with the pivot pin sensor on the car body, and pressure transducer sends weighing-up wave to weighing instrument by being arranged in the pressure sensor signal transmission line that is connected with pressure transducer on the car body.
2. weighing device of dump truck according to claim 1, it is characterized in that: described pivot pin sensor is fixed on Che Liangshang, and the connecting link movable set is on the pivot pin sensor, and connecting link is fixedly contacting the pressure-bearing surface of pivot pin sensor, during discharging, connecting link rotates round the pin sensor.
3. weighing device of dump truck according to claim 1, it is characterized in that: described pivot pin sensor is set with bearing outward, the bearing external fixation is on the car beam, the bottom, compartment is fixed with connecting link, connecting link is fixedly contacting the pressure-bearing surface of pivot pin sensor, during discharging, compartment, connecting link and pivot pin sensor rotate round hinge axis simultaneously.
4. weighing device of dump truck according to claim 1, it is characterized in that: described sensor combinations also includes the speed pickup that is installed on the car beam, and speed pickup sends weighing-up wave to weighing instrument by being arranged in the speed sensor signal transmission line that is connected with speed pickup on the car body.
5. weighing device of dump truck according to claim 1, it is characterized in that: described sensor combinations also includes the horizon sensor that is installed on the car beam, and horizon sensor sends weighing-up wave to weighing instrument by being arranged in the horizon sensor data line that is connected with horizon sensor on the car body.
6. according to claim 1 or 2 or 3 described weighing device of dump truck, it is characterized in that: described pivot pin sensor is two, respectively Dui Cheng the car beam rear part end that is installed in dumper.
CN200910103134A 2009-01-23 2009-01-23 Weighing device of dump truck Pending CN101788326A (en)

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Application Number Priority Date Filing Date Title
CN200910103134A CN101788326A (en) 2009-01-23 2009-01-23 Weighing device of dump truck

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102052959A (en) * 2010-12-24 2011-05-11 重庆大唐科技股份有限公司 Compartment weighing device of dumper
CN102555884A (en) * 2010-12-07 2012-07-11 袁达臣 Dump truck capable of automatically weighing carried goods
CN103249896A (en) * 2011-11-04 2013-08-14 株式会社小松制作所 Loading system and conveyor
CN104859526A (en) * 2015-06-10 2015-08-26 徐州徐工施维英机械有限公司 Weighing device and concrete mixer
CN105841786A (en) * 2016-04-26 2016-08-10 重庆望江工业有限公司 Dump truck vehicle automatic metering system
CN107817041A (en) * 2017-11-16 2018-03-20 江阴市索菲电子科技有限公司 A kind of electronic scale for conveniently unloading weighed object
CN108132088A (en) * 2017-11-03 2018-06-08 江阴市索菲电子科技有限公司 A kind of electronic scale for being convenient for unloading weighed object
CN108548596A (en) * 2018-06-08 2018-09-18 三河市新宏昌专用车有限公司 Dumper self-weighing system
CN111089642A (en) * 2019-12-31 2020-05-01 内蒙古广纳信息科技有限公司 Loading detection device and method for dump truck for strip mine
CN111452713A (en) * 2020-04-17 2020-07-28 上海华兴数字科技有限公司 Goods weighing method, device, equipment and storage medium
CN115112214A (en) * 2022-06-27 2022-09-27 中国重汽集团济南动力有限公司 Heavy mining dump truck material weighing method and system

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102555884A (en) * 2010-12-07 2012-07-11 袁达臣 Dump truck capable of automatically weighing carried goods
CN102052959A (en) * 2010-12-24 2011-05-11 重庆大唐科技股份有限公司 Compartment weighing device of dumper
CN102052959B (en) * 2010-12-24 2013-04-24 重庆大唐科技股份有限公司 Compartment weighing device of dumper
CN103249896A (en) * 2011-11-04 2013-08-14 株式会社小松制作所 Loading system and conveyor
CN103249896B (en) * 2011-11-04 2014-12-03 株式会社小松制作所 Loading system and conveyor
CN104859526A (en) * 2015-06-10 2015-08-26 徐州徐工施维英机械有限公司 Weighing device and concrete mixer
CN105841786A (en) * 2016-04-26 2016-08-10 重庆望江工业有限公司 Dump truck vehicle automatic metering system
CN108132088A (en) * 2017-11-03 2018-06-08 江阴市索菲电子科技有限公司 A kind of electronic scale for being convenient for unloading weighed object
CN107817041A (en) * 2017-11-16 2018-03-20 江阴市索菲电子科技有限公司 A kind of electronic scale for conveniently unloading weighed object
CN108548596A (en) * 2018-06-08 2018-09-18 三河市新宏昌专用车有限公司 Dumper self-weighing system
CN111089642A (en) * 2019-12-31 2020-05-01 内蒙古广纳信息科技有限公司 Loading detection device and method for dump truck for strip mine
CN111452713A (en) * 2020-04-17 2020-07-28 上海华兴数字科技有限公司 Goods weighing method, device, equipment and storage medium
CN115112214A (en) * 2022-06-27 2022-09-27 中国重汽集团济南动力有限公司 Heavy mining dump truck material weighing method and system

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Application publication date: 20100728