CN203287094U - Portable verification device for electronic scale - Google Patents
Portable verification device for electronic scale Download PDFInfo
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- CN203287094U CN203287094U CN2013201804311U CN201320180431U CN203287094U CN 203287094 U CN203287094 U CN 203287094U CN 2013201804311 U CN2013201804311 U CN 2013201804311U CN 201320180431 U CN201320180431 U CN 201320180431U CN 203287094 U CN203287094 U CN 203287094U
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- verification
- force
- electronic scale
- portable
- portable electronic
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Abstract
The utility model relates to a portable verification device for an electronic scale, and belongs to the field of physical detection. The portable verification device for the electronic scale comprises a portable integrated verification instrument, an adjustment base and a force-transmitting frame (not used if a pulling-type sensor is used). A force-giving mechanism is composed of worms, a worm gear and a bolt, wherein the bolt is embedded into the worm gear. The integrated verification instrument for the electronic scale is composed of a high-precision weighing sensor, a display device, the force-giving mechanism and a shell. The verification device is installed above or under a sensor under verification. The sensor under verification is verified through hand-cranking to give force and displaying the force-giving value, namely, weight. During verification process of going up and going down, the required force can be given easily at any point of the measuring range and can be maintained. Meanwhile, the total sum of force given to other verification devices in the same device under verification can be displayed, with the total sum of force given being the total weight. For verification of various hopper scales, the verification device exhibits universality; a large quantity of physical weights can be saved; the labor intensity of verification personnel is greatly reduced; the efficiency is improved; and possible unnecessary harm is prevented.
Description
Technical field
The utility model relates to a kind of portable electronic scale calibration equipment, belongs to physical field.
Background technology
In fields such as iron and steel, chemical industry, logistics,, as long as there is the proportioning of various materials, all need hopper electronic scale to carry out weighing, also there is the problem of metering in the product of externally carrying.The material metage of each feed bin substantially select 3 or 4 electronic scale sensor (pressure type or pull-type method) is set, compensation terminal box, secondary instrument carry out weighing and show, control or metering; Because sensor is positioned at scene, working environment relatively abominable (as temperature, vibration, dust etc.) needs often sensor to be carried out verification, demarcation.Present verification mode is following several form: counterweight verification demarcation, hydraulic pressure verification, lifting jack verification are demarcated.It has the following disadvantages.
The counterweight verification is demarcated: counterweight is physical goods inspection, and requirement is large,, as the scale in 10 tons, school, just needs the counterweight of 7 to 10 tons, and labour cost is large, labour intensity is large, efficiency is low; The counterweight consumption is many, and counterweight is real filling lead metal, and price is high, and inevitable expense is high; Some months need to be identified once, trouble.
The hydraulic pressure verification: need special-purpose place, equipment, laying fluid pressure line, need pressuring pump, each verification all will repeat once: place cleaning, installation hydraulically operated equipment (HOE) and pipeline thereof, a complete set of calibration equipment; In checking procedure, each force need to be adjusted Hydraulic Relief Valve and carries out, and is particularly troublesome; If give suddenly power, fluid pressure line is stressed and move suddenly, easily hurts sb.'s feelings; Each hopper needs three covering devices, and equipment is just a lot, and a checkpoint do not know other 2 to the power value, each point operation each point, can't assume unified command of; In checking procedure, the retardation time of bunker scale and the retardation time of calibration equipment are inconsistent, cause the data that record to unify, and lose meaning; Expense is also large, and is substantially by import, also impracticable.
The lifting jack verification is demarcated: utilize the lifting jack top to press, three cover sensors, terminal box, an industrial instrument.Shortcoming is to need secondary instrument, each checkpoint scene can't understand other point to the power value, each point operation each point, can't assume unified command of; Key is that the lifting jack top presses power output to disappear when reducing to the power value.
The method of the latter two is all calibration equipment to be arranged on on-the-spot by the sensor of verification top, and outside power of giving is transmitted to calibration equipment and simultaneously by on the sensor of verification.
Summary of the invention
The purpose of this utility model is: provide a kind of easy to carry, rational in infrastructure, safe and reliable, measure relatively accurate a kind of electronic scales tester.
In order to overcome the defect that exists in background technology, the technical scheme that the utility model provides is: a kind of portable electronic scale calibration equipment comprises portable integrated tester, adjusting base, leads the power frame (pull-type need not).Consist of for force mechanisms worm screw, worm gear, bolt, bolt is nested in worm gear; High-precision weighing sensor, display device, form integrated electronic scales tester for force mechanisms, shell; This device is arranged on by above or below check sensor,, by the hand power of giving, shows that institute is weight to the power value, comes verification by the sensor of verification; In the checking procedure that rises and descend, can easily provide required power in the arbitrfary point of range, and can maintain; Can be presented at simultaneously same as the summation of other calibration equipments on calibration equipment to power, i.e. general assembly (TW).
Described portable integrated tester.Comprise display device, high-precision weighing sensor, the installation of sensors base, give force mechanisms, shell.The high-precision weighing sensor is standardized product, determines accuracy class 0.03%～0.05%, range 5t, 10t; For batch production, the size of the high-precision sensor of ten tonne, tonnes is identical as far as possible or close.Design and produce again display device (precision :～0.05%), and consider the compensation of environment, the weight of its Display panel single-sensor; Also computing function will be arranged, the RS-485 communication interface by arranging, carried out communication with this by this calibration equipment of installing on all the sensors of verification feed bin, all can show its general assembly (TW) on any table apparatus; Can avoid the verification personnel repeatedly to come and go around the feed bin mobile, reduce the probability that personnel is damaged because of buildings thing on every side or equipment; With Presentation Function, computing function, that communication function is carried out modularization is integrated, with reduce disturbance, save space, improve precision, be installed on respectively on the front and back panel of this instrument.Be that external force (hand power) is conducted critical component to this device to force mechanisms, adopt worm screw one worm gear one bolt kind of drive conductance, bolt is positioned at worm gear inside; Drive the worm gear rotation with hand moving worm screw, the movement that rotarily drives inner king-bolt of worm gear internal thread (rise or descend), conduct power to the high-precision weighing sensor; Calculate to force mechanisms one turbine, worm screw, the speed ratio of bolt, size according to range, outside to power value and space to save; For the high precision verification, be provided with coarse adjustment (as tonne), fine tuning (as kilogram levels) two cover force transmission mechanisms, on the basis of existing worm screw, designing and producing a cover worm screw uses as fine tuning again, former worm screw does coarse adjustment, connect two cover worm screws by the different elevating arc group of a pair of number of teeth is set, carry out the conduction of big or small power; Remake a handle, externally give power; With these combination of facilities together, form complete to force mechanisms.The installation of sensors base is the bonded block to force mechanisms and high-precision sensor, because of the different processing separately of size of high-precision sensor.Make a hemispheric Baltimore groove for the force mechanisms bottom, prepare to be interlockingly connected with the semisphere plush copper on adjusting base top.Then with base, be grouped together for force mechanisms, sensor, display device, do a shell, form the tester of integrated electronic balance; , at work one handle of the left and right sides on this instrument top, be easy to carry again; The hemispheric plush copper of high-precision weighing sensor central upper portion position, be positioned at the instrument outside, contacts with the power frame of leading during debugging, and the conduction power output.Bunker scale is generally technology controlling and process or inner metering use, does not belong to trade settlement, and its application full accuracy is 0.3%～0.5%, and the precision of this instrument is minimum, reaches 0.1%, meets the requirement of tester.
Described adjusting base.To have a height-adjustable base for supporting, because the power of the leading frame of field fabrication and the height of portable integrated tester do not match, and arrange.Top arranges a hemispheric plush copper, is convenient to the hemispheric Baltimore groove snapping with the bottom of tester, also is convenient to location.By floor, outer tube, in have the adjusting screw(rod) of band " T " font to form.Floor is arranged on on-the-spot by on the sensor of school.By the movement of the moving internal regulation screw rod of rotary sleeve pipe racks, tester is touched with leading the power bridge joint, adjust zero point; Verification finishes, and rotation makes it to descend, and unloads tester.
The described power of leading frame.Be the steelframe of " door " font, with 5# or the on-the-spot processing of 10# channel-section steel, the top quenched nickelclad, prevent from being out of shape because bearing energetically.Two edge columns stride across by the support the ears of an ox or cow of school hopper sensor, and " ground " of bottom and on-the-spot LOAD CELLS is with ground and fixing.
Above three-piece forms the portable electronic scale calibration equipment of a hopper electronic scale (press type sensor), and this device is installed on the top of the support the ears of an ox or cow of on-the-spot LOAD CELLS, both forms cascaded structure.By giving the power handle to power, drive to force mechanisms, the high-precision weighing sensor is pressed on top, and power is transmitted to and leads the power frame, according to Newton third law, this power is passed to on-the-spot LOAD CELLS.Compare by the data of on-site calibrator and the data of on-the-spot scale, complete verifying work.
The utility model has solved the defect that exists in the background technology.Have rational in infrastructurely, safe and reliable, simple and practical, measure relatively accurately, reduce labor intensity, raise the efficiency, the advantages such as saving, be improvement and the innovation of on-the-spot bunker scale verification mode.
Description of drawings
Fig. 1 is on-the-spot scheme of installation
Fig. 2 is portable electronic scale tester schematic diagram
Fig. 3 is the adjusting base schematic diagram
Fig. 4 is the tester construction profile
Fig. 5 is that tester is to the force mechanisms schematic diagram
Embodiment
Now in conjunction with the accompanying drawings and embodiments the utility model is described in further detail.Shown in accompanying drawing be the schematic diagram of simplification, basic structure of the present utility model, installation method only are described in a schematic way, so it only shows the formation relevant with the utility model.
in Fig. 1 Fig. 2 Fig. 3, (1) be the portable electronic scale tester, (2) be to force mechanisms, (3) be adjusting base, (4) be to lead the power frame, (5) by the ears of an ox or cow of verification bunker scale, (6) by the LOAD CELLS of verification bunker scale, (7) be bunker scale and the common ground of leading the power frame, (8) be the handle of tester, (9) be this instrument sense weight (single power) digitron display screen, (40) be general assembly (TW) (total power) value digitron display screen, (10) be instrument work run indicator, (11) be the action button group, (12) be to power coarse adjustment mechanism, (13) be to the power fine adjustment mechanism, (14) be that tester is to the force mechanisms base plate, (15) be the fixing groove of using, (16) be standing screw, (17) be the tester shell, (18) be the fixing plush copper of using of adjusting base, (19) be to regulate top board, (20) be adjusting screw(rod), (21) be the rotary sleeve pipe, (22) be the adjusting base base plate.
in Fig. 4 Fig. 5, (23) be plush copper on the high-precision weighing sensor, (24) be the high-precision weighing sensor body, (25) be display device, (26) be the installation of sensors base, (27) be power supply and communication splicing interface, (28) be to force mechanisms coarse adjustment side elevating arc, (29) be to force mechanisms coarse adjustment worm screw, (30) be to force mechanisms coarse adjustment worm screw teeth, (31) be to force mechanisms fine tuning side elevating arc, (32) be to force mechanisms fine tuning worm screw, (33) be to force mechanisms fine tuning worm screw teeth, (34) be bindiny mechanism between elevating arc, (35) be the outer silk of passive rotary screw, (36) be passive rotary screw, (37) be the worm gear internal thread, (38) be to the force mechanisms worm gear, (39) be to force mechanisms worm gear teeth, (41) be to power drive mechanism.
When debugging, verification, on-the-spot bunker scale LOAD CELLS (6) installs, and according to the size of bunker scale the ears of an ox or cow (5), scene makes on the spot " door " font and leads power frame (4) and fixing; Adjusting base (3) is placed in the top of bunker scale the ears of an ox or cow (5), requirement is the best bunker scale LOAD CELLS (6) over against below of adjusting base (3); With portable electronic scale tester (1), snap fit onto on adjusting base fixing use plush copper (18) with groove (15) by fixing, and itself and adjusting base (3) is fixing; By twisting outer sleeve (21), plush copper (23) on the high-precision weighing sensor of portable electronic scale tester (1) is contacted with leading power frame (4), and the power supply of all portable electronic scale testers (1) that this bunker scale is required and RS-485 communication splicing interface (27) connect wiring.Control operation button (11), make instrument show zero to power value digitron display screen (9), installs., to power, debug verification with handle, first by to power coarse adjustment mechanism (12), giving energetically (as tonne), then, by to power fine adjustment mechanism (13), giving little power (as kilogram levels), provide the numerical value of wanting verification.Calculate the total power that shows this bunker scale by general assembly (TW) digitron display screen (40), the numerical value shown with the secondary instrument of this bunker scale of pulpit compares, come and go debugging according to relevant national standard, record its data, calculating, complete this verification.Lead power frame (4) and forever stay scene, adjusting base (3) can be placed in on-the-spot somewhere for the steel body, uses while being convenient to next verification, and portable electronic scale tester (1) is taken back warehouse or office space.
Claims (7)
1. a portable electronic scale calibration equipment, comprise portable integrated tester, adjusting base, lead the power frame; It is characterized in that:
(1) consist of for force mechanisms worm screw, worm gear, bolt, bolt is nested in worm gear;
(2) high-precision weighing sensor, display device, form integrated electronic scales tester for force mechanisms, shell.
2. portable electronic scale calibration equipment as claimed in claim 1, is characterized in that, leads the power frame and adopt " door " font structure.
3. portable electronic scale calibration equipment as claimed in claim 1, is characterized in that, giving between force mechanisms and adjusting base of described portable integrated tester adopts the protruding ball of groove to be connected.
4. portable electronic scale calibration equipment as claimed in claim 1, is characterized in that, to force mechanisms, has coarse adjustment and fine tuning two cover force transmission mechanisms.
5. portable electronic scale calibration equipment as claimed in claim 4, is characterized in that, gives between the coarse adjustment of force mechanisms and fine tuning worm screw and adopt elevating arc group conductance.
6. portable electronic scale calibration equipment as claimed in claim 1, is characterized in that, described integrated electronic scales tester band handle.
7. portable electronic scale calibration equipment as claimed in claim 1, is characterized in that, display device arranges the RS-485 communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201804311U CN203287094U (en) | 2013-04-02 | 2013-04-02 | Portable verification device for electronic scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201804311U CN203287094U (en) | 2013-04-02 | 2013-04-02 | Portable verification device for electronic scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203287094U true CN203287094U (en) | 2013-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201804311U Expired - Fee Related CN203287094U (en) | 2013-04-02 | 2013-04-02 | Portable verification device for electronic scale |
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| CN (1) | CN203287094U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768254A (en) * | 2016-11-28 | 2017-05-31 | 承德市中瑞自动化工程有限公司 | A kind of bunker scale calibrating installation and its calibration method |
-
2013
- 2013-04-02 CN CN2013201804311U patent/CN203287094U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768254A (en) * | 2016-11-28 | 2017-05-31 | 承德市中瑞自动化工程有限公司 | A kind of bunker scale calibrating installation and its calibration method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20180402 |
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| CF01 | Termination of patent right due to non-payment of annual fee |