CN201145611Y - Large-scale weighing equipment calibrating apparatus without counterweight - Google Patents
Large-scale weighing equipment calibrating apparatus without counterweight Download PDFInfo
- Publication number
- CN201145611Y CN201145611Y CNU2007201308763U CN200720130876U CN201145611Y CN 201145611 Y CN201145611 Y CN 201145611Y CN U2007201308763 U CNU2007201308763 U CN U2007201308763U CN 200720130876 U CN200720130876 U CN 200720130876U CN 201145611 Y CN201145611 Y CN 201145611Y
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- calibration
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- cantilever
- weight device
- scale weighing
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Abstract
The utility model relates to a large-scale weighing instrument weight-free calibrating device, which belongs to the measures weighing instrument technical field. The large-scale weighing instrument weight-free calibrating device comprises a standard sensor and a force application device which is positioned on the vertical end of the standard sensor when used and also comprises a lower support column which is fixed on a base close to a weighing instrument sensor, wherein, the upper end of an upper support column is fixedly connected with the rear end of a cantilever and a standard sensor contact head is fixed on the lower part of the front end of the cantilever; when the cantilever is positioned on a calibrating position, the contact head is positioned just above the weighing instrument sensor. The large-scale weighing instrument weight-free calibrating device is low in assembly and maintenance cost and convenient and quick in use; a force application point is positioned on the weighing instrument sensor, thereby the unbalanced loading is convenient and accurate to adjust; and the standard sensor and the force application device can be reused and conveniently used in a metering management department for detection, thereby the accuracy of quantity transfer is guaranteed.
Description
Technical field
The utility model relates to a kind of calibrating installation, and especially a kind of large-scale weighing machine does not have the calibration of weight device, belongs to the measuring weighing instrument technical field.
Background technology
The calibration of large-scale weighing machine (being also referred to as verification) can be adopted the weigh bridge test car ballast, perhaps the handling standard test weight.The essence of these class methods be mass ratio, though have reliable, advantage of high precision, have the shortcoming that the calibration cost is big, the calibration process time is long.In modernization is produced continuously, for the organization of production of enterprise is brought great difficulty.Therefore, produced the different technical scheme of many designs based on force rate than the calibration steps of principle.
Understand according to the applicant, the adjustable weighing apparatus range of no calibration of weight device generally is confined in 50 tons at present, average each stress point is no more than 20 tons, and that the research of the no calibration of weight device of large-scale weighing machine (can be described as scale) and production are in rank at the early-stage is disconnected, its investment is bigger, and the civil engineering scheme is lasted longer, and the practical application cost is bigger, and weighing apparatus must be stopped using during civil engineering, and production is had a significant impact.
Application number is the calibration equipment that 200520087835.1 Chinese patent discloses a kind of ultra-large type track scale, and this device is constructed in the scale hole, and the load support post must intactly combine with the scale hole, therefore the weighing apparatus that is only applicable to just build up.
The applicant applied for once that name was called the Chinese patent of " a kind of light no calibration of weight device ", at be small stationary formula weighing apparatus, its technical essential is improved force application apparatus, does not set foot in the calibration problem that solves large-scale fixed weighing apparatus.
The utility model content
The purpose of this utility model is: propose that a kind of calibration is convenient, force application apparatus can be reused, and the large-scale weighing machine of cost economy does not have the calibration of weight device.
In order to reach above purpose, large-scale weighing machine of the present utility model does not have the force application apparatus that is positioned at the vertical end of standard transducer (last or following) when the calibration of weight device comprises standard transducer and use, also comprise the lower support post that is fixed near the basis of weighing apparatus sensor (such as the hole wall), described lower support post is hinged by vertical rotation axis and upper support post lockable, the upper end of described upper support post and the rear end of cantilever are connected, the front end bottom of described cantilever is fixed with the standard transducer contact head, when described cantilever was positioned at calibrating position, described contact head was positioned at directly over the weighing apparatus sensor.
When needs are calibrated, the lower support post rotates the upper support post relatively, make the contact head under the cantilever just in time be positioned at weighing apparatus sensor top, lock upper and lower support column again, standard transducer is placed under the contact head, and force application apparatus is placed on above the bearing platform of weighing apparatus sensor support, withstand standard transducer.After handling force application apparatus, will be subjected to equal and opposite in direction, direction opposite effect power on standard transducer and the weighing apparatus sensor, therefore can calibrate the weighing apparatus sensor easily according to standard transducer.
The beneficial effects of the utility model are: install, maintenance cost is low, convenient to use; The point of application is positioned at weighing apparatus sensor top, and unbalance loading is easy to adjust and accurate; Standard transducer and force application apparatus can be reused, and standard transducer can calibrate in measuring control department easily, are convenient to the accuracy that guaranteed discharge passes.
Description of drawings
Fig. 1 is the total system synoptic diagram of an embodiment of the utility model.
Fig. 2 is the structural representation at a point of application place among Fig. 1 embodiment.
Among the last figure: 1---the steel construction cantilever, 2---standard transducer, 3---force application apparatus, 4---weighing apparatus load-bearing table top, 5---the weighing apparatus sensor, 6---the sensor concrete pier, 7---base concrete basis, hole, 8---the hole wall, 9---pre-embedded bolt, 10---base steel plates, 11---steel construction lower support post, 12---latch, 17---lubricated lining, 13---steel construction upper support post, 14---bolt and nut, 15---the cantilever calibrating position, 18---the cantilever holding fix, 16---no calibration of weight device concrete foundation.
Embodiment
Embodiment one
Present embodiment is that the large-scale weighing machine that is applied in big quality track scale does not have calibration of weight device total system as shown in Figure 1, six covers is set respectively near below rectangle weighing apparatus load-bearing table top 4 four jiaos and the length direction both sides is supported on weighing apparatus sensor 5 (referring to Fig. 2) on the concrete pier 6.Near each weighing apparatus sensor 5 is the hole wall of constructing on base concrete basis, hole 78, be embedded with bolt 9 in the wall of hole, pre-embedded bolt is fixing with base steel plates 10 welding that are supported on the wall of hole, weld fixedly steel construction lower support post 11 on the base steel plates 10, middle part, lower support post 11 upper surfaces is fixed with vertical lubricated lining 17, plug-in mounting is as latch 12 lower semisections of rotating shaft in the lubricated lining 17, and the upper semisection of this latch inserts the lower surface of steel construction upper support post 13, thereby constitutes hinged relationship.The apposition position of this upper and lower support column is shaped on flange respectively, therefore can lock mutually by bolt and nut 14.The rear end of the upper end of upper support post 13 and steel construction cantilever 1 is connected, and the front end bottom of this cantilever is fixed with semisphere standard transducer contact head, when cantilever 1 is positioned at calibrating position, contact head be positioned at weighing apparatus sensor 5 directly over.
During concrete enforcement, concrete foundation is constructed in the side that is claimed the thing moving direction, can not influence ordinary production like this.Because the effect of reinforced concrete foundation is for no calibration of weight device provides effective reacting force, if therefore be provided with separately, very big quality must be accomplished to have in the basis could provide enough reacting forces for no calibration of weight device effectively.Present embodiment adopts most economical way, the hole wall of the large-scale weighing machine that utilization is calibrated and the end, hole, build up the basis of no calibration of weight device after local the transformation, the hole wall reinforcing bar of the basic stress reinforcing bar of no calibration of weight device and large-scale weighing machine links into an integrated entity, and has guaranteed that the acting force of the operate as normal of force application apparatus can reach 60 tons.
Above-mentioned steel construction piece adopts the 2cm steel plate to make, and semi-girder forms case structure, and the pedestal that upper and lower support column constitutes adopts I-shaped structure, and cantilever can be promoted both to have satisfied needs around latch rotating shaft rotation by the people on pedestal in the practicality, and is convenient, flexible again.
During calibration, cantilever 1 is in cantilever calibrating position 15, and by securing member locking, provides the power source by lifting jack again, is positioned at standard transducer on the lifting jack as the pick-up unit of bearing the power source, and the displayed value of standard weights display instrument is as standard weights.Because this moment, the weighing apparatus sensor bore, direction opposite effect power identical with the standard transducer size,, promptly adopt force rate can finish calibration to big quality track scale than principle therefore by the displayed value comparison.Calibration finishes, and cantilever can be pushed into cantilever holding fix 18.
Facts have proved that the calibrating installation installation cost and the maintenance cost of present embodiment are low, convenient to use; The point of application is positioned at the LOAD CELLS top, and unbalance loading is easy to adjust and accurate; If can finish together by related no calibration of weight device during the weighing apparatus civil engineering, can further reduce erected cost; If weighing apparatus uses, but do not make no calibration of weight device basic, it is also little to the influence of producing to increase this device.In addition, standard transducer, standard weights display instrument and force application apparatus can be reused, and can examine and determine in upper level measuring control department easily, the accuracy that the amount that guaranteed passes.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (6)
1, a kind of large-scale weighing machine does not have the calibration of weight device, be positioned at the force application apparatus of the vertical end of standard transducer when comprising standard transducer and use, it is characterized in that: also comprise the lower support post that is fixed on the weighing apparatus sensor basis, described lower support post is hinged by vertical rotation axis and upper support post lockable, the upper end of described upper support post and the rear end of cantilever are connected, the front end bottom of described cantilever is fixed with the standard transducer contact head, when described cantilever was positioned at calibrating position, described contact head was positioned at directly over the weighing apparatus sensor.
2, there is not the calibration of weight device according to the described large-scale weighing machine of claim 1, it is characterized in that: middle part, described lower support post upper surface is fixed with vertical lubricated lining, plug-in mounting is as the lower semisection of the latch of rotating shaft in the described lubricated lining, the upper semisection of described latch inserts the lower surface of steel construction upper support post, constitutes hinged relationship.
3, do not have the calibration of weight device according to the described large-scale weighing machine of claim 2, it is characterized in that: the apposition position of upper and lower support column is shaped on flange respectively, locks mutually by securing member.
4, do not have the calibration of weight device according to the described large-scale weighing machine of claim 3, it is characterized in that: the hole wall on described weighing apparatus sensor basis is constructed on base concrete basis, hole.
5, do not have the calibration of weight device according to the described large-scale weighing machine of claim 4, it is characterized in that: be embedded with bolt in the wall of described hole, described pre-embedded bolt is fixing with the base steel plates welding that is supported on the wall of hole, welds fixedly steel construction lower support post on the described base steel plates.
6, do not have the calibration of weight device according to the described large-scale weighing machine of claim 5, it is characterized in that: described force application apparatus is the mechanical type lifting jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201308763U CN201145611Y (en) | 2007-12-11 | 2007-12-11 | Large-scale weighing equipment calibrating apparatus without counterweight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201308763U CN201145611Y (en) | 2007-12-11 | 2007-12-11 | Large-scale weighing equipment calibrating apparatus without counterweight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201145611Y true CN201145611Y (en) | 2008-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201308763U Expired - Fee Related CN201145611Y (en) | 2007-12-11 | 2007-12-11 | Large-scale weighing equipment calibrating apparatus without counterweight |
Country Status (1)
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| CN (1) | CN201145611Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012000363A1 (en) * | 2010-06-30 | 2012-01-05 | 福建省计量科学研究院 | Method for calibrating large fixed electronic scale |
| CN102435290A (en) * | 2011-09-29 | 2012-05-02 | 浙江南洋传感器制造有限公司 | Auxiliary calibrating device of fixed electronic weighing apparatus |
| CN102879074A (en) * | 2012-10-30 | 2013-01-16 | 上海振华重工集团（南通）有限公司 | Method for trail weighing of anchor machine sensor |
| CN104764517A (en) * | 2015-04-01 | 2015-07-08 | 朱叶平 | Truck scale weight-free calibrating apparatus and calibrating method thereof |
| CN105675109A (en) * | 2016-04-15 | 2016-06-15 | 云南省计量测试技术研究院 | Non-counterweight calibrating device for concrete batching scale metering performance static test |
| CN108389463A (en) * | 2018-04-16 | 2018-08-10 | 天津城建大学 | A kind of loading system suitable for armored concrete beam test practical teaching |
| CN109592134A (en) * | 2018-10-18 | 2019-04-09 | 江苏省计量科学研究院 | A kind of filling scale detection device |
| CN111157091A (en) * | 2019-12-04 | 2020-05-15 | 中机生产力促进中心 | Weighing apparatus calibrating device and weighing apparatus calibrating method |
-
2007
- 2007-12-11 CN CNU2007201308763U patent/CN201145611Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012000363A1 (en) * | 2010-06-30 | 2012-01-05 | 福建省计量科学研究院 | Method for calibrating large fixed electronic scale |
| WO2012000420A1 (en) * | 2010-06-30 | 2012-01-05 | 福建省计量科学研究院 | Large fixed electronic weighter |
| CN102435290A (en) * | 2011-09-29 | 2012-05-02 | 浙江南洋传感器制造有限公司 | Auxiliary calibrating device of fixed electronic weighing apparatus |
| CN102879074A (en) * | 2012-10-30 | 2013-01-16 | 上海振华重工集团（南通）有限公司 | Method for trail weighing of anchor machine sensor |
| CN102879074B (en) * | 2012-10-30 | 2014-07-16 | 上海振华重工集团（南通）有限公司 | Method for trail weighing of anchor machine sensor |
| CN104764517A (en) * | 2015-04-01 | 2015-07-08 | 朱叶平 | Truck scale weight-free calibrating apparatus and calibrating method thereof |
| CN105675109A (en) * | 2016-04-15 | 2016-06-15 | 云南省计量测试技术研究院 | Non-counterweight calibrating device for concrete batching scale metering performance static test |
| CN105675109B (en) * | 2016-04-15 | 2018-06-26 | 云南省计量测试技术研究院 | A kind of concrete batching scale metering performance static test is without calibration of weight device |
| CN108389463A (en) * | 2018-04-16 | 2018-08-10 | 天津城建大学 | A kind of loading system suitable for armored concrete beam test practical teaching |
| CN109592134A (en) * | 2018-10-18 | 2019-04-09 | 江苏省计量科学研究院 | A kind of filling scale detection device |
| CN111157091A (en) * | 2019-12-04 | 2020-05-15 | 中机生产力促进中心 | Weighing apparatus calibrating device and weighing apparatus calibrating 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: 20081105 Termination date: 20151211 |
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| EXPY | Termination of patent right or utility model |