CN1896699A - Electronic hanger scale checker and checking method - Google Patents

Abstract

A detection device and the method of the electronic hook balance is to connect the upper end of the standard electronic hook balance and the lift device, the lower end is connected to the detected electronic hook balance which the lower end is connected to the bottom plane of the supported frame. The standard electronic hook balance is connected with the detected electronic hook balance in series. The electronic hook balance is revised by the standard weights; the detected electronic hook balance is fixed in the fixed hammer vertically. It records the corresponding data of the advanced standard and the number displayed by the detected electronic hook balance according to the demand to select the detected electronic hook balance accorded with the demand. So it can decrease the working intensity and improved the detection efficient, the precision and the reliability.

Description

Electronic hanger scale pick-up unit and method thereof

Technical field

The present invention relates to a kind of pick-up unit that weighs, especially for the pick-up unit of weighing large-tonnage electronic hanger scale.

Background technology

Electronic hanger scale is to claim the novel weighing-appliance that body, sensor, power supply are combined into one, and it can directly hang on the crane hook, loading and unloading, meter is weighed carry out simultaneously, and is easy and simple to handle effective.Be widely used in heavy-duty machinery, logistic storage, port and pier load and unload and weigh.Be that the realization Enterprise Modernization Management is operated indispensable weight metering equipment, in use major part relates to trade settlement, belongs to legal system calibrating scope.But because its accessory structure is simple, does not adapt to the needs that modernization rapidly and efficiently detects, for example the electronic hanger scale used of harbour bulk product handling goods has 1～5 ton, 1～10 ton etc., and they require calibrating in a year once, are that genus is enforceable.Calibration method originally is to detect its error with counterweight, as shown in Figure 1, every of counterweight is heavy 1 ton, detect 1～10 ton electronic hanger scale, need carry 10 counterweights, counterweight is transported to the scene of detection with 2 trucies, progressively increase counterweight then, detect the error of the electronic hanger scale of examining, labour intensity is big, inefficiency, does not adapt to the needs that modernized harbour weighing equipment is detected.

Summary of the invention

The present invention is directed to the defective that above-mentioned large-tonnage electronic hanger scale exists in detection, design a kind of device of quick calibrating large-tonnage electronic hanger scale.

The present invention adopts following structure to solve the problems of the technologies described above.

The electronic hanger scale pick-up unit, it comprises support frame and lifting gear, it is characterized in that standard electronic hang hook steelyard upper end is connected with a lifting gear, the lower end of standard electronic hang hook steelyard connects a detected electronic hanger scale, the lower end of detected electronic hanger scale is connected with the support frame baseplane, and standard electronic hang hook steelyard and detected electronic hanger scale are connected on the same straight line.

The electronic hanger scale detection method comprises following consecutive steps:

A, with electronic hanger scale standard test weight correction error, pick out to do to contrast and use the standard electronic hang hook steelyard by detecting requirements;

B, the end that will select the standard electronic hang hook steelyard of doing contrast and an end of detected electronic hanger scale are cascaded, the other end with the standard electronic hang hook steelyard is connected with lifting gear then, and the other end of detected electronic hanger scale is vertically fixed on the fixedly hammer on the baseplane;

C, start lifting gear, the numeral that standard and detected electronic hanger scale is shown is record respectively, by the corresponding record data of detection requirement selection;

The weighing error of d, the detected electronic hanger scale of calculating is selected the detected electronic hanger scale that coincidence detection requires.

The marked improvement of said apparatus and detection method is to replace standard test weight weight relative method with series connection vertical pulling relative method, the standard electronic hang hook steelyard is demarcated in experiment with standard test weight, this standard electronic hang hook steelyard is replaced standard test weight, the electronic hanger scale that uses is detected as harbour, harbour to on-the-spot, get rid of and carry counterweight in the past and go on-the-spot the detection, both reduced labor intensity, and improved calibrating efficient, the precision of detection and reliability also further improve.

Description of drawings

Fig. 1 is the pick-up unit of examination criteria electronic hanger scale.

Fig. 2 is for detecting the pick-up unit of detected electronic hanger scale.

Fig. 3 is the on-the-spot detection indication device that detects detected electronic hanger scale.

Embodiment

As depicted in figs. 1 and 2, structure of the present invention comprises the part that supports partly and weigh, support partly and form by a rectangular frame 3 and a well cabinet frame 1, well cabinet frame 1 is located at the top of rectangular frame 3, two minor faces of well cabinet frame 1 are parallel with two minor faces of rectangular frame 3, plane and parallel with the vertical long side of rectangular frame 3, rectangular frame 3 top is passed on two long limits of well cabinet frame 1, the substrate of lifting gear 2 is fixed on the centre on the plane, top of rectangular frame, the push rod 10 of lifting gear holds mutually with the last top of well cabinet frame 1, base center fixed one suspension rod 9 of well cabinet frame 1, standard electronic hang hook steelyard 4 is connected with fixed derrick 9 by suspension ring 8.Though electronic hanger scale 4 as shown in Figure 1 is detected electronic hanger scales, but it is high-precision, detect the error of tested electronic hanger scale 4 at its suspension hook standard test weight 14 usefulness standard test weights of hanging oneself, this process is carried out the reliability and the precision that detect with the variable effect of keeping away environmental baseline basically in the laboratory.Figure 2 shows that will be through the degree of accuracy that standard test weight was examined and determine high electronic hanger scale 4 is as the comparison standard, remove to detect another detected electronic crane scale 5, the upper end of this detected electronic hanger scale 5 is connected with standard electronic hang hook steelyard 4, the lower end of detected electronic hanger scale 5 is connected by the middle fixedly hammer 7 of chain 6 and rectangular frame 3 base plates, and universal wheel 11 is established with convenient mobile rectangular frame 3 in the base of rectangular frame.

During detection, earlier high precision standard electronics suspension rod 4 usefulness standard test weights are demarcated, again standard test weight are changed detected electronic hanger scale 5, with chain sling bar 6 directly with the fixedly hammer 7 of the base plate centre that is fixed on rectangular frame 3 company of extension mutually.Start the lifting gear 2 of hoisting depth, along with well cabinet frame 1 constantly raises, two electronic hanger scales demonstrate numeral, the data that demonstrate are removed the weight of 2 electronic hanger scales, drop hanger suspension ring and chains, be the pulling force of lifting, the shown pulling force of electronic hanger scale just, action and reaction principle according to power, the acting force that is made progress by lifting gear 2 vertical push rods 10 equals rectangular frame 3 base center fixed and hammers 7 downward pulling force into shape, that is to say lifting gear 2 upwards the power of pulling equal the power that fixing hammer 7 pulls down electronic hanger scale 4 or electronic hanger scale 5.If standard electronic hang hook steelyard 4 is all identical with the weighing degree of accuracy and the error of detected electronic hanger scale, the numeral of its demonstration should be the same, if what demonstrate is digital different, just weighing error is shown by concrete digital watch, along with pulling force constantly increases, two screens show respectively organizes data, difference by each group data can be made calibration curve, this detection method is than better by standard test weight detection method precision high reliability, be because it can be made coordinate points and be retouched out approaching actual calibration curve by countless real data, and can only get 5～6 points with standard test weight, needn't carry heavy counterweight with truck during detection detects to on-the-spot, only go to the scene, just can detect by other equipment at scene with a standard electronic hang hook steelyard that detected through standard test weight.Be also can detect as shown in Figure 3 to electronic hanger scale by the loading-unloading vehicle that has suspension rod 12 on the harbour, lifting rope 13 on the suspension rod 12 is hung a standard electronic hang hook steelyard 4, hang detected electronic hanger scale 5 again, articulate mutually with a weight again, as long as this weight surpasses the range of weighing of electronic hanger scale, along with slowly slinging of crane, just can on two electronic hanger scales, read needed data and make calibration curve, thereby make the present invention show outstanding effect rapidly and efficiently.

The shown device of Fig. 2 and Fig. 3 also can lift conversely, and its principle and the course of work are basic identical as described above.As shown in Figure 2, standard electronic hang hook steelyard 4 fixedly hangs over earlier the central authorities of rectangular frame 3 top boards, again detected electronic hanger scale 5 is connected on the suspension hook of standard electronic hang hook steelyard 4, to be in series with puller system on the suspension hook of detected electronic hanger scale 5 again, pull down gradually as electronic or hand winch, when the application point that increases pulling force gradually and exert all one's strength remains on the same perpendicular line, write down corresponding data on two electronic hanger scale display screens respectively, can obtain the measuring error of detected electronic hanger scale.

Now be the testing process of example summary to detected electronic hanger scale with OCS-3-XZ2.

As shown in Figure 2 a standard electronic hang hook steelyard 4 is hung, under its suspension hook, hang detected electronic hanger scale 5, and the suspension hook of detected electronic hanger scale 5 linked to each other with the base plate intermediate vertical of rectangular frame 3, startup lifting gear 2, well word framework 1 rise gradually, and this moment, standard electronic hang hook steelyard 4 and detected electronic hanger scale 5 display screens difference video data was as follows:

The detected electronic hanger scale reading error of standard electronic hang hook steelyard reading Δ

25kg 25.0kg 0g

500kg 500.2kg +200g

1000kg 1000.4kg +400g

2000kg 2000.6kg +600g

3000kg 3000.8kg +800g

With the OCS-3-XZ2 electronic hanger scale is the standard electronic hang hook steelyard, is expressed as follows by weighing result shown in Figure 1:

Standard test weight standard electronic hang hook steelyard reading error Δ

25kg 25kg 0g

500kg 500.2kg +200g

1000kg 1000.5kg +500g

2000kg 2000.7kg +700g

3000kg 3000.8kg +800g

Can obtain adopting the result of standard test weight checking method and employing standard and detected electronic hanger scale series process gained all within the error allowed band by above-mentioned comparison, with standard test weight calibrating with detect only error 100g of comparing result with the standard electronic hang hook steelyard, the method that shows this device and employing thereof is applicable in can and managing in actual production.

Claims (6)

1, electronic hanger scale pick-up unit, comprise support frame and lifting gear, it is characterized in that standard electronic hang hook steelyard upper end is connected with a lifting gear, the lower end of standard electronic hang hook steelyard connects a detected electronic hanger scale, the lower end of detected electronic hanger scale is connected with the support frame baseplane, and standard electronic hang hook steelyard and detected electronic hanger scale are connected on the same straight line.

2, electronic hanger scale pick-up unit according to claim 1, it is characterized in that support frame is made up of a rectangular frame (3) and a well cabinet frame (1), well cabinet frame (1) is located at the top of rectangular frame (3), and plane and parallel with the vertical edges of rectangular frame, rectangular frame top is passed on two long limits of well cabinet frame (1).

3, electronic hanger scale pick-up unit according to claim 1 is characterized in that the substrate of lifting gear (2) is fixed in the middle of the plane, top of rectangular frame (3), and the push rod of lifting gear (10) holds mutually with the upper topside of well cabinet frame (1).

4, electronic hanger scale pick-up unit according to claim 2 is characterized in that a suspension rod (9) is established in the centre, base of well cabinet frame (1), and standard electronic hang hook steelyard (4) is connected with fixed derrick (9) by suspension ring (8).

5, electronic hanger scale pick-up unit according to claim 1, the upper end that it is characterized in that detected electronic hanger scale (5) is connected with standard electronic hang hook steelyard (4), and the lower end of detected electronic hanger scale (5) is connected with the fixedly hammer (7) of rectangular frame (3) base plate centre.

6, electronic hanger scale detection method, its feature may further comprise the steps:

A, with electronic hanger scale standard test weight correction error, pick out to do to contrast and use the standard electronic hang hook steelyard by detecting requirements;

B, the end that will select the standard electronic hang hook steelyard of doing contrast and an end of detected electronic hanger scale are cascaded, the other end with the standard electronic hang hook steelyard is connected with lifting gear then, and the other end of detected electronic hanger scale is vertically fixed on the fixedly hammer on the baseplane;

C, start lifting gear, the numeral that standard and detected electronic hanger scale is shown is record respectively, by the corresponding record data of detection requirement selection;

The weighing error of d, the detected electronic hanger scale of calculating is selected the detected electronic hanger scale that coincidence detection requires.

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