CN2095802U - Vehicle load weighing device - Google Patents

Abstract

The utility model provides a new device which can display the load amount precisely after the load vehicle loads cargoes. The device is characterized in that an electronic display disc or a pointer instrument panel is arranged in the driving room of the vehicle; when the vehicle is overloaded, the utility model can alarm, and can also store all the load capacity of the vehicle. According to the characteristic that the load of the vehicle is mainly focused in the vehicle box, the device is provided with a plurality of resilient supports and a hydraulic sensing cylinder. The upper part of the resilient support is connected with the bottom of the vehicle box, and the lower part of the resilient support is connected with the upper part of the vehicle frame. The device is characterized in that when loading, the workpiece obstacle friction is not created; the sensing origin is reasonable, and the load displaying is accurate.

Description

Vehicle load weighing device

The utility model relates to a kind of improved car load-gauge, particularly a kind of loading display amount accurately that is contained on the autotruck, and overload can be reported to the police, and all load carrying abilities store permanent the reservation.

Be adapted to be mounted within on the autotruck of all size model.

Existing autotruck, general do not notice when lade that can automobile itself be taken advantage of and carry, as long as can start just violent the loading, therefore often because of overload damages automobile, also because of the overload drag apart from lengthening traffic accident takes place, because the detection means of no standard, car pipe department is also powerless to this, not only shortened the car opertion life-span, and the overload also produce many factors that are absolutely unsafe, cause great economic loss and domestic tragedy to the country and people.Running into shipment for another example has the goods and materials of exact magnitude, must at first look for weighbridge to claim the weight of empty wagons, and then go to freight, the weighbridge of returning again after goods installed, so lock, both wasted lot of manpower and material resources, caused great inconvenience to the driver again, owing to above reason, the technology how each state of our times all can overcome the above problems in research, but because the odjective cause limit is unreasonable with sensing base resource, most achievement in research is ideal not really all, if any accuracy rate very low, the not solution balance that has, what have is confined on certain vehicle, sees according to the retrieval world patent, and its sensing base resource of U.S. US-2931638 patent is to adopt the spring lever principle, this method installation limitation is big, driving a vehicle, each part is just mutual to rub, and each oil pipe produces high pressure, so service life is short, there is not the precision fine setting again, precision is not high, and overloading free is reported to the police and the tonnage storage device, owing to exist above disadvantage practicality little.Also having its sensing principle of US-3420325 patent is the inflation pressure check weighing, the antero posterior axis center adds meausring apparatus, this device is big owing to having lost balance loading limitation, low precision, advantage is less, it is from spindle nose that the sensing base resource of this technology of US-3724571 patent is arranged again, whole vehicle body of this device and load carrying ability all have been pressed on the sensor, strengthened sensing ability to bear partly, also because of at compliant member 26,28 when the load-carrying modification inevitable and base he produce friction force by each part because above sensing base resource is unreasonable, do not have the precision fine setting again, no matter taking electronic sensor or press sensing, the data that demonstrate at last is impossible accurate.

The utility model provides a kind of check weighing accurate car load-gauge, the design performance of present technique can solve the unreasonable disadvantage of above existence fully, three patented technologies of the above U.S. of its load-carrying ratio of precision are all high, and present technique not only has load-carrying accurately to show but also overload warning arranged and the function of tonnage storage.

The utility model technology is finished as follows: all concentrate on these characteristics on railway carriage and the railway carriage bottom vehicle frame according to autotruck by its main weight of lade, between the top of vehicle frame railway carriage bottom according to the tonnage size of automobile and the length of railway carriage, a plurality of resilient mountings are installed, hydraulic pressure transducer is installed in the middle of each resilient mounting, along with the increase of load carrying ability forces resilient mounting to move down, the piston of hydraulic pressure transducer also moves down simultaneously, at this moment the liquid in each sensor is discharged according to stressed size, import after gathering by control cock that the instrument cylinder is delivered to the electronic liquid crystal read-out to the load-carrying signal through the adjustment of output lever or the pointer instrument reflects into, the data that should store deposit in the holder simultaneously, as the overload power supply of freighting can automatically be connected automobile self the loudspeaker caution people that blow a trumpet and overloaded and handled, for convenience of driver's operation, moving dependent sensor also has been installed except M/C, can have been reached the purpose of automatic guidance operation by the mileometer soft shaft innervation.

Below with reference to accompanying drawing the utility model is described in further detail:

Accompanying drawing 1 is that installation theory structure of the present utility model is laterally looked intention.

Accompanying drawing 2 is electrical equipment principle schematic.

Accompanying drawing 3 is electronic liquid crystal display panel lateral plans.

Accompanying drawing 4 is that the B of accompanying drawing 3 is to view.

Accompanying drawing 5 is accompanying drawings 1, C-C part sectional view and control principle figure.

Accompanying drawing 6 is instrument sensing principle cutaway views.

Accompanying drawing 7 is birds-eye vieies of accompanying drawing 6.

Accompanying drawing 8 is pointer instrument transmission principle figure that accompanying drawing 6A-A portion looks.

With reference to Fig. 1, be one and have super performance, multiple functional car load-gauge rationally is installed, railway carriage ［ 1 ］ bottom has a plurality of channel-section steels ［ 2 ］ and the angle steel ［ 3 ］ on upper bracket ［ 4 ］ top to fix, it is overall to form railway carriage, sensing cylinder ［ 24 ］ is fixed on the lower bracket ［ 5 ］, is fastened on the vehicle frame ［ 6 ］ with overbolt ［ 9 ］, and it is overall to form vehicle frame.Again the center dress of overall last piston shoes ［ 11 ］ the aligning lower springs ［ 10 ］ of railway carriage is integrated, it is fastening with nut ［ 7 ］ to penetrate hole ［ 6 ］ and slotted hole ［ 17 ］ with tie bolt ［ 8 ］, overall up and down joint is except that supporting and being connected of bolt, other any position does not produce the friction phenomenon, control cock ［ 11 ］ is fixed on the bottom of lower bracket ［ 5 ］, and instrument sensing cylinder ［ 15 ］ is fixed on operator's compartment person's daughter board.With reference to Fig. 5, when gravity ［ 28 ］ adds railway carriage, because the effect of power forces spring ［ 10 ］ compression, at this moment bulb ［ 39 ］ and piston shoes ［ 11 ］ promote liquid that sensingpiston ［ 26 ］ moves down oil pocket ［ 37 ］ simultaneously and enter instrument cylinder oil pocket ［ 38 ］ promotion instrument piston ［ 31 ］ by oil pipe ［ 27 ］ through control cock ［ 14 ］ and oil pipe ［ 13 ］ and move right under universal effect, under lever ［ 32 ］ effect, the load-carrying signal is imported in the instrument by sensing shaft ［ 33 ］, after the conversion of each gear, the tonnage that should store is deposited in by counting machine ［ 35 ］, warning device is to have additional contact ［ 36 ］ at sensing shaft ［ 33 ］ left end, warning adjustable bolt ［ 34 ］ can be adjusted to the position that should report to the police with adjustable bolt ［ 34 ］ according to overload margin.For the commonality that makes present technique with on each car, reach zero-bit and have additional the purpose that appearance body that repairing adjustable bolt ［ 39 ］ can adjust instrument cylinder oil pocket ［ 38 ］ with this bolt reaches the zeroing position, in order to improve the accuracy rate of load-carrying metering, have additional precision trimming bolt ［ 20 ］ and by fore-and-aft adjustment nail point ［ 40 ］ is moved forward and backward, the size of adjusting lever ［ 32 ］ two ends makes and reaches the purpose that precision is adjusted.Can realize the purpose controlled in two ways, a kind of driver of being manually controls, can be positioned on master cock on the bridge instrumentation dish, another kind is an automatic guidance, the power lead ［ 12 ］ of control cock ［ 14 ］ is connected on the moving dependent sensor ［ 29 ］ of electronics, power lead ［ 41 ］ have one moving quick be connected on the automobile kilometer flexible axle ［ 30 ］, following moving signal of the moving quick effect of flexible axle rotation when start imports the moving dependent sensor of electronics into, treated signal forms two electromagnet that the electric signal that opens or closes is passed to control cock ［ 14 ］, realize the purpose of control, when parking of automobile or handling goods, control cock is in logical position replenishes the oil pocket at two ends mutually, at this moment oil circuit does not produce pressure or pressure is very low, control cock is in closed condition when start, at this moment spring ［ 10 ］ piston ［ 26 ］ pull back spring ［ 25 ］ and instrument sensing cylinder partly all are in static state, each part has not produced the friction phenomenon, thereby its permanent precision and service life have been guaranteed, the method that this structure also can adopt the electronic sensor liquid crystal digital to show except that Fig. 8 mechanical drive pointer shows realizes, with reference to Fig. 2, on instrument cylinder top one cover electronic journey sensor ［ 16 ］ sensor is installed and under the effect of lever ［ 32 ］, is promoted sensing shaft ［ 33 ］ generation stroke sensing, sensor ［ 16 ］ the transducing signal that receives by after handling through line ［ 19 ］, be delivered to display panel ［ 18 ］, come out by the computing afterreaction, sensing shaft when automobile overload ［ 33 ］, with contact ［ 36 ］, contact back energized, by power lead ［ 21 ］, connect horn cable ［ 22 ］, when loudspeaker ［ 23 ］, loudspeaker are just blown a trumpet after receiving power supply, the caution people are overloaded, and should in time handle.

Because the utility model is when loading, the accessible friction in each position, sensing base resource is correct, and each parts is in quiescence during driving, is not subjected to any friction wear, and therefore, the present technique long service life can keep high precision for a long time.

Claims (8)

1, one is supported [10] by a plurality of springs, upper bracket [4], lower bracket [5], control cock [14], instrument sensing cylinder [15], the carload counter device that instrument display panel [18] is formed, it is characterized in that a plurality of springs have supported [10] central mounting hydraulic sensing cylinder [24], its bottom is contained on the vehicle frame [6], but each all is fixedly connected with lower bracket [5], and lower bracket [5] also is drilled with a plurality of slotted holes [17].

2, according to the device of claim 1 regulation, it is characterized in that upper bracket ［ 4 ］ top is connected with railway carriage ［ 1 ］, the bottom is connected with lower bracket ［ 5 ］ with tie bolt ［ 8 ］, and upper bracket ［ 4 ］ also is drilled with a plurality of holes ［ 16 ］.

3, according to claim 1 or 2 devices of stipulating, control cock ［ 14 ］ is equipped with in the bottom that it is characterized in that lower bracket ［ 5 ］, and the control cock two ends are fixed with two electromagnet, and the other end has dependent sensor ［ 29 ］ to link to each other, by moving dependent sensor instruction, make control cock ［ 14 ］ carry out work.

4, according to the device of claim 1 regulation, it is characterized in that sensingpiston ［ 26 ］ top is equipped with piston shoes ［ 11 ］ and bulb ［ 39 ］, piston shoes all the time with piston on the plane connect together.

5, according to the device of claim 1 regulation, it is characterized in that instrument sensing cylinder ［ 15 ］ left end is equipped with repairing adjustable bolt ［ 39 ］.

6, according to the device of claim 1 or 5 regulations, it is characterized in that instrument piston ［ 31 ］ right-hand member of instrument sensing cylinder ［ 15 ］ is equipped with precision trimming bolt ［ 20 ］, change the size at lever ［ 32 ］ two ends by fore-and-aft adjustment.

7, according to the device of claim 1 regulation, it is characterized in that electronic journey sensor ［ 16 ］ or mechanical indicator sensor being installed in the upper end of instrument sensing cylinder ［ 15 ］.

8,, it is characterized in that storing and overload alarm no matter adopt the electronic journey sensor still to adopt mechanical indicator sensing inside all to be provided with tonnage according to the device of claim 1 or 7 regulations.

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