CN85204785U - Weighing equipment-checking vehicle being able to load weight automatically - Google Patents

Abstract

The utility model discloses a weighing equipment-checking vehicle being able to load weight automatically, which is a device used to test the accuracy of the ground weigher. The utility model is composed of a truck chassis, a counterweight water tank, a counterweight, a counterweight lifting mechanism, a counterweight frame, a vehicle shed, an automatic-control console, etc. The utility model is suitable to the test of weighbridge with various tonnages in China. The weighing equipment-checking vehicle being able to load weight automatically has the advantages of high degree of mechanization, convenient operation, high work efficiency, etc. The weighing equipment-checking vehicle being able to load weight automatically relieves the labor intensity of the checking staff, and saves the man-hour.

Description

Weighing equipment-checking vehicle being able to load weight automatically

The utility model belongs to the device that detects platform scale (on-ground weigher) precision.

External employed platform scale weigh bridge test car has following four kinds basically before the utility model is made.

1, the hydraulic machinery formula weigh bridge test car of raising the price.It is that a day trading thing Co., Ltd. produced in 82 years.About about 20 tons of general assembly (TW).It is to have installed 4 can be provided with 9 counterweight framves thereon to overhanging and have 4 hydraulic jack of this car weight of lifting amount ability on the chassis of truck, places desk-top counterweight that 4 leg shapes are arranged on each counterweight frame.Handle the hydraulic hoist unit on each counterweight frame during detection, can add, unload counterweight, on-ground weigher is examined and determine.

This structure operation is simple, and is easy to use, but presses inclined to one side method to detect owing to adopting, and is not suitable for the requirement of stipulating in China's " platform scale vertification regulation " the platform scale four corner testing.

2, the folding hanging weigh bridge test car of single armed.This is the weigh bridge test car that West Germany produced in 1981.It is at the truck afterbody the folding crane of a single armed to be installed, and is used to carry counterweight.What have also has a trailer that loads and transports counterweight.This trailer is made the quality standard car.Add the counterweight of its delivery during detection with the own wt of truck, trailer, on-ground weigher is detected.

This structure operation is convenient, and work efficiency is higher, but the site space height is had certain requirement, be not suitable for the detection of China with fluffy on-ground weigher, and cost is higher.

3, electric reed formula weigh bridge test car.This is a kind of weigh bridge test car that U.S. Sai Lafen company produces.The body structure that it is repacked into by the railway carriage of specialized truck of transportation counterweight.Load counterweight in the case, the top of case is equipped with I-beam and electric hoist, and has the little fork truck that is used to load and unload counterweight, with electric hoist counterweight is unloaded during detection, is contained on the little fork truck, little fork truck is reached on the weighing platform detect then.

This structure is better to the transportation and the preservation of counterweight, high efficiency.But the scene must have electrical source of power, but also must be equipped with the little fork truck of shipment counterweight, and cost is higher.

4, fork truck formula weigh bridge test car.This is the weigh bridge test car that Holland produces.It is furnished with special purpose vehicle or the common truck that is used to transport counterweight.Also must be equipped with fork truck loading and unloading and carrying counterweight simultaneously, on-ground weigher is detected.The advantage of this structure is, do not need Special Hoisting Equipment and special-purpose vehicle, and shortcoming is to have fork truck to follow, and work efficiency is not high, and unfavorable to the preservation of counterweight.

China to the calibrating of platform scale generally is at present, earlier counterweight is transported to the scene, also is equipped with a truck crane simultaneously and is used for loading and unloading, carrying counterweight.If detect 30 tons of on-ground weighers.Must transport 6 times with the truck transportation counterweight of 5 tons of 6 dead weight capacity or with an automobile.By " platform scale working specification " on-ground weigher is detected then.Examine and determine a tableland scale and comprise the setup time of transporting counterweight, generally need 3-4 days, staff 3-4 people, work efficiency is very low.

Task of the present utility model is in order to adapt to the needs of China's platform scale calibration operation, requirement according to China's " platform scale vertification regulation ", and at the defective of external above-mentioned four kinds of weigh bridge test cars, and it is vast in territory to take into full account China, and conditions such as transportation condition complexity are designed and adapted to the weigh bridge test car of raising the price automatically that the various tonnage platform scales of China detect.

The utility model is by truck chassis, counterweight water tank (10) counterweight (9), counterweight frame (1), counterweight elevating mechanism (5), bicycle shed, control control stand parts such as (11) automatically and form, technical essential of the present utility model is, the counterweight water tank is the counter weight device of this weigh bridge test car, and water tank is marked with the watermark of calibration mass, calibrating during full dose with the water tank fills with water, be used to replace counterweight, calibrating finishes water is emitted; A counterweight frame that is welded into channel-section steel and joist steel is arranged, be equipped with on the counterweight frame and stretch one's legs outside 4 (2), a movable leg wheel (3) is housed below stretching one's legs outside each, the counterweight frame is used for fixing counterweight elevating mechanism and motor, and is used to connect bicycle shed; 5 counterweight elevating mechanisms (5) are arranged, and each counterweight elevating mechanism is formed by brake (6), worm gear pairs (8), screw mandrel (7).Motor drives the lifting action that worm gear pairs is realized counterweight by belt; Bicycle shed prevents the intrusion of dust and rainwater with on each component cover.Transparent glass window and car door are housed on the bicycle shed, are convenient to the installation of each parts on the car; At the railway carriage middle part automatic control control stand is installed in addition, whole testing processes of platform scale are all controlled by control stand and are finished.

Description of drawings: 1---counterweight frame 2------movable leg wheel 4---screw 5---counterweight elevating mechanism 6---braking motor 7---screw mandrel 8---worm gear pairs 9---counterweight 10---counterweight water tank 11---is controlled control stand 12---the automatically micromachine of stretching one's legs 3 outward.

Operation principle of the present utility model. In the time will detecting on-ground weigher, earlier weigh bridge test car to be reached on the on-ground weigher, the requirement according to four jiaos of inspections stops car to go up in position, the beginning operating control keyboard. At first press the elevating function key, the forward cycling start is turned round 5 braking motors (6) simultaneously, and the counterweight frame stops when beginning to rise to 150-200mm. Press again the Telescopic key, the forward cycling start, two micromachines (12) turn round simultaneously, 4 stretch one's legs outward (2) of counterweight frame are reached on the certain position, at this moment movable leg wheel (3) is moved down, and screw (4) tightened press again the elevating function key, oppositely cycling start, make the counter-rotating of 5 braking motors, till making the counterweight frame drop to 4 movable leg wheels to land fully. Complete and the vehicle body disengaging of counterweight frame this moment is left on-ground weigher with automobile, and this has just finished the preparation that detects. Press earlier function key during detection No. 1, the forward cycling start, counterweight drops on the ground weighing platform, detects wherein one jiao, and then presses function key No. 1, and oppositely cycling start is risen the weights frame. Press successively again function key 2,3, No. 4, finish the testing at its excess-three angle by said procedure. Then press half amount function key again, 5 counterweights are dropped on the on-ground weigher table top simultaneously, half amount that realizes detects. Oppositely cycling start makes 5 counterweights get back to original state then. At this moment vehicle backing is return on the on-ground weigher platform, is injected into half amount standard to water tank. And then press the elevating function key, the forward cycling start is pressed onboard counterweight again, shuts immediately switch, finishes and presses the full dose testing. Then forward cycling start makes the counterweight frame break away from ground, presses the Telescopic key again, and oppositely cycling start makes 4 to stretch one's legs and be recovered to original position outward. Press again the reverse cycling start of elevating function key, the counterweight frame is dropped on the automobile again, the water in the water tank is emitted. Whole testings of on-ground weigher have so just been finished.

The utility model can be made into 10 tons, 20 tons, 30 tons ... several different tonnage levels such as 50 tons are applicable to the calibrating of the existing various tonnage level on-ground weighers of China. Be characterized in: the mechanization degree height, easy to operate, alleviate testing personnel's labour intensity, high efficiency is saved man-hour, and detecting a tableland scale with it needs to comprise driver 3-4 people with the staff, only needs 3-4 hour.

Claims (5)

1, the utility model is raised the price weigh bridge test car automatically by truck chassis, water tank, counterweight, counterweight elevating mechanism, counterweight frame, bicycle shed with control parts such as control stand automatically and form.It is characterized in that but described weigh bridge test car is the counterweight water tank (10) of a calibration mass, 5 counterweight elevating mechanisms (5), one are used for fixing counterweight lifting structure and motor.And be used for connecting the counterweight frame (1) of bicycle shed and one control control stand (11) automatically.

2,, it is characterized in that its counterweight water tank is marked with the watermark that is used for calibration mass according to the described weigh bridge test car of claim 1.

3, according to the described weigh bridge test car of claim 1, it is characterized in that it has 5 counterweight elevating mechanisms, each counterweight elevating mechanism is made up of a braking motor (6), screw mandrel (7), worm gear pairs (8).

4,, it is characterized in that on its counterweight frame 4 stretch one's legs (2) being housed outward according to the described weigh bridge test car of claim 1.Stretch one's legs outward by a movable leg wheel of screw (4) connection (3) for every.

5, according to the described weigh bridge test car of claim 1, the automatic control control stand that it is characterized in that it is provided with elevating function key, Telescopic key, partly measures the button that function key etc. can be finished various testing programs.

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