CN201555657U - Weigher detecting and calibrating device - Google Patents
Weigher detecting and calibrating device Download PDFInfo
- Publication number
- CN201555657U CN201555657U CN2009202543967U CN200920254396U CN201555657U CN 201555657 U CN201555657 U CN 201555657U CN 2009202543967 U CN2009202543967 U CN 2009202543967U CN 200920254396 U CN200920254396 U CN 200920254396U CN 201555657 U CN201555657 U CN 201555657U
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- pedestal
- fixed
- screw mandrel
- carrier bar
- weighing apparatus
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to a detecting and calibrating device, in particular to a weigher detecting and calibrating device which solves the problems that the existing weigher detecting and calibrating device has larger measurement error and is time-consuming and labor-consuming for mounting different calibrating materials. A bearing beam is provided with a lifting drive mechanism below which a main sensor seat body is fixed; the main sensor seat body is internally and fixedly provided with a main sensor connected with a display instrument; a synthesis sensing device is arranged below the main sensor; the synthesis sensing device comprises a synthesis sensor seat body, a synthesis sensor and a load applicator, wherein the synthesis sensor is arranged in the synthesis sensor seat body and connected with the display instrument, and the load applicator is fixed below the synthesis sensor seat body and positioned on a weighing body; and the upper end of the synthesis sensor seat body is covered with a bearing plate. The weigher detecting and calibrating device has improvement made in the structure, not only solves the problem of larger measurement error of the weigher detecting and calibrating device, but also solves the problems of consuming time and labor in repeated mounting, and simultaneously has the advantages of easy operation, convenience and practicality.
Description
Technical field
The utility model relates to calibrating apparatus, is specially a kind of weighing apparatus calibrating apparatus.
Background technology
Domestic weighing apparatus kind is a lot, but its calibration steps generally is to adopt the counterweight that satisfies accuracy requirement to do measurement standard directly to compare and measure, yet demand along with economy and industrial development, the maximum capacity of weighing apparatus is increasing, tradition then is not suitable for the bigger weighing apparatus of weighing by the calibration steps of weight measurement, the quality and quantity that is specially required counterweight all need increase, thereby there is the cost height when causing counterweight carrying and calibration, waste time and energy, inefficient problem, in order to change this kind situation, part weighing apparatus calibrating apparatus has also appearred on the market, existing weighing apparatus calibrating apparatus generally comprises the pedestal that is fixed on the weighing-appliance scale body, carrier bar and the carrying cylinder between pedestal and carrier bar, be fixed with device for exerting on the carrier bar, the device for exerting below is provided with the calibrating sensor of band Displaying Meter, this structural design causes measuring error bigger, can't satisfy the requirement of weighing apparatus calibrating apparatus, and the problem that when different weighed objects are calibrated, exists installation process to waste time and energy.
Summary of the invention
The utility model is big and have the problem that wastes time and energy at the installation process of different caliberators in order to solve existing weighing apparatus calibrating apparatus measuring error, and a kind of weighing apparatus calibrating apparatus of precision is provided.
The utility model is to adopt following technical scheme to realize: the weighing apparatus calibrating apparatus, comprise the pedestal that has the scale body, the left and right sides of pedestal all is fixed with the carrying cylinder, two carrying cylinder upper ends are fixed with carrier bar, carrier bar is provided with lift drive mechanism, the lift drive mechanism below is fixed with the master reference pedestal of lower ending opening, master reference pedestal internal fixation has the master reference that is connected with Displaying Meter, the master reference below is provided with synthetic sensing device, synthetic sensing device comprises that upper and lower side all has the synthetic sensor pedestal of mouth, be positioned at synthetic sensor pedestal and the synthetic sensor that is connected with Displaying Meter and be fixed on synthetic sensor pedestal below and be positioned at Shi Zaiqi on the scale body, be coated with loading plate on synthesizing the sensor pedestal.Lift drive mechanism described in the utility model is that those skilled in the art realize easily, can select existing various deformation structure for use.Can synthesize measuring error by setting up synthetic sensing device, the reading of Displaying Meter is more accurate, fixing main, synthetic sensor pedestal on master reference and synthetic sensor has avoided master reference to influence the problem of setting accuracy because of repeated disassembled and assembled effectively simultaneously.When needs are calibrated, the master reference pedestal is executed carried and move downward by regulating lift drive mechanism, when thereby the contact of master reference contact loading plate is executed when carrying synthetic sensor holder body, at this moment the reading difference of the Displaying Meter of scale body and master reference is the error of existing weighing-appliance calibrating installation, start Shi Zaiqi then, execute year device and will synthesize sensor jack-up by the hole of synthetic sensor pedestal below, the contact of synthetic sensor contacts loading plate jack-up with master reference, master reference is subjected to behind the Shi Zaili carrier bar being had acting force, acting force on the carrier bar is because pedestal, carrier bar and carrying cylinder form a closed-loop and retroaction on the scale body of pedestal, at this moment main, all show reading on the Displaying Meter of synthetic sensor and the scale body, show on the Displaying Meter two differences of measuring the synthetic measurement registration with weighing-appliance scale body of registrations are the accurate measuring error of weighing-appliance.The mathematical formulae of measuring error is:
Δ P=P
Quilt+ 0.5e
Quilt-(P
Main+ Δ e
Close+ M)
In the formula:
Δ P-measuring error;
P
Quilt-weighing apparatus is measured registration;
e
Quilt-weighing apparatus scale division value;
P
Main-master reference standard indicating value;
Δ e
Close-synthetic sensor measurement indicating value is poor;
M-additional mass value.
There is the various deformation structure in the structure of Shi Zaiqi described in the utility model, realizes for those skilled in the art are easy, enumerates two kinds below and executes the structures of carrying device:
Execute a year device and comprise base, be fixed with the hydraulic jack that piston is housed in it on the base, be fixed with the push rod that is positioned at synthetic sensor below on the piston.By to-and-fro movement, and then promote push rod and move up and down, thereby realize requirement that synthetic sensor is loaded the injection of hydraulic oil and sucking-off control hydraulic jack inner carrier.
Execute a year device and comprise base, be fixed with screw rod on the base, be with the worm gear that is threaded with it on the screw rod, be with sleeve on the worm gear, the sleeve upper end is fixed with push rod and is installed with on sleeve and the worm gear engaged worm, when needs load synthetic sensor, rotary worm drives worm gear and rotates, because screw rod is fixed on the base, so driving sleeve, worm-and-wheel gear realizes simultaneously moving up and down, satisfy the requirement that synthetic sensor is loaded.
Lift drive mechanism, drives lifting jack and moves up and down during calibration for being inverted the lifting jack be installed in the carrier bar lower end, carries thereby master reference executed.
Lifting jack chassis circle distribution has at least three holes, all be installed with an isometric short screw mandrel in each hole, all be screwed with nut on the short screw mandrel of the both sides up and down on chassis, be with sliding sleeve on the carrier bar, the upper end and the sliding sleeve of short screw mandrel are fixed, execute when carrying, the loading end of master reference and the depth of parallelism of surface level should be not more than 3/10000, just can avoid lifting jack vertically to execute the problem that is loaded with the deviation effects measuring error, regulate the nut on the short screw mandrel, make the loading end of the master reference state that is up to the standard, under the effect of sliding sleeve, can measure simultaneously, more accurately the reading error scope multiple spot.
The left and right sides of pedestal is equipped with guide-track groove, the carrying cylinder comprises guide rail, guide rail is provided with and embeds the body that its upper end projection and upper end have screw mandrel, be provided with roller between about body and the guide rail upper surface, be fixed with on the body with carrier bar and be fixedly coupled frame, screw mandrel passes on connection box and the screw mandrel in connection box and is screwed with nut, during calibration, the rotation nut, screw mandrel moves upward, and at this moment body and guide rail is protruding stuck, played fixing effect, calibration function be can carry out, the position of carrying cylinder, opposite spin nut regulated as need, screw mandrel moves downward, body is pressed in by roller on the upper surface of guide rail, at this moment can realize carrying moving forward and backward of cylinder, thereby closely not needing to realize the purpose of mobile weighing apparatus calibrating apparatus.
Weighing apparatus calibrating apparatus described in the utility model has been done the rational structure improvement, not only overcome the bigger problem of existing weighing apparatus calibrating apparatus measuring error, and overcome when repeating to install owing to the problem that wastes time and energy that is difficult to guarantee that precision exists, have low, the easy to operate and convenient and practical advantage of cost simultaneously.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 executes the structural representation that carries device for Fig. 1 uses another kind.
Among the figure: the 1-pedestal, 2-carries cylinder, 3-carrier bar, 4-master reference pedestal, 5-Displaying Meter, 6-, 7-synthesizes the sensor pedestal, and 8-synthesizes sensor, and 9-executes and carries device, 10-loading plate, 11,15-base, 12-piston, 13-hydraulic jack, 14-push rod, 16-screw rod, the 17-sleeve, 18-worm screw, 19-lifting jack, 20-chassis, the short screw mandrel of 21-, 22,30-nut, 23-sliding sleeve, 24-guide rail, 25-screw mandrel, the 26-body, 27-roller, 28-connection box, 29-scale body.
Embodiment
The weighing apparatus calibrating apparatus, comprise the pedestal 1 that has scale body 29, the left and right sides of pedestal 1 all is fixed with carrying cylinder 2, two carrying cylinder 2 upper ends are fixed with carrier bar 3, carrier bar 3 is provided with lift drive mechanism, the lift drive mechanism below is fixed with the master reference pedestal 4 of lower ending opening, master reference pedestal 4 internal fixation have the master reference 6 that is connected with Displaying Meter 5, master reference 6 belows are provided with synthetic sensing device, synthetic sensing device comprises that upper and lower side all has the synthetic sensor pedestal 7 of mouth, be positioned at synthetic sensor pedestal 7 and the synthetic sensor 8 that is connected with Displaying Meter 5 and be fixed on synthetic sensor pedestal 7 belows and be positioned at executing on the scale body 29 and carry device 9, synthetic sensor pedestal 7 upper ends are coated with loading plate 10.Execute a year device 9 and comprise base 11, be fixed with the hydraulic jack 13 that piston 12 is housed in it on the base 11, be fixed with the push rod 14 that is positioned at synthetic sensor 8 belows on the piston 12; Execute a year device 9 and comprise base 15, be fixed with screw rod 16 on the base 15, be with the worm gear 18 that is threaded with it on the screw rod 16, be with sleeve 17 on the worm gear 18, sleeve 17 upper ends are fixed with push rod 14 and are installed with on sleeve 17 and worm gear 18 engaged worm; Lift drive mechanism is for being inverted the lifting jack 19 that is installed in carrier bar 3 lower ends; Lifting jack 19 chassis 20 circle distribution have at least three holes, all are installed with an isometric short screw mandrel 21 in each hole, all are screwed with nut 22 on the short screw mandrel 21 of the both sides up and down on chassis 20, are with sliding sleeve 23 on the carrier bar 3, and the upper end of short screw mandrel 21 and sliding sleeve 23 are fixing; The left and right sides of pedestal 1 is equipped with guide-track groove, carrying cylinder 2 comprises guide rail 24, guide rail 24 is provided with and embeds the body 26 that its upper end projection and upper end have screw mandrel 25, be provided with roller 27 between about body 26 and guide rail 24 upper surfaces, be fixed with on the body 26 with carrier bar 3 and be fixedly coupled frame 28, screw mandrel 25 passes on connection box 28 and the screw mandrel in connection box 28 25 and is screwed with nut 30.In the specific implementation process, master reference pedestal 4 with the quantity of the fixing master reference 6 of master reference pedestal 4 should be according to use occasion different and different, the quantity of master reference 6 and master reference pedestal 4 is one in the utility model, and lifting jack 19 chassis 20 circle distribution have three holes.
Claims (7)
1. weighing apparatus calibrating apparatus, comprise the pedestal (1) that has scale body (29), the left and right sides of pedestal (1) all is fixed with carrying cylinder (2), two carrying cylinders (2) upper end is fixed with carrier bar (3), it is characterized in that: carrier bar (3) is provided with lift drive mechanism, the lift drive mechanism below is fixed with the master reference pedestal (4) of lower ending opening, master reference pedestal (4) internal fixation has the master reference (6) that is connected with Displaying Meter (5), master reference (6) below is provided with synthetic sensing device, synthetic sensing device comprises that upper and lower side all has the synthetic sensor pedestal (7) of mouth, be positioned at synthetic sensor pedestal (7) and the synthetic sensor (8) that is connected with Displaying Meter (5) and be fixed on below the synthetic sensor pedestal (7) and be positioned at Shi Zaiqi (9) on the scale body (29), be coated with loading plate (10) on synthesizing sensor pedestal (7).
2. weighing apparatus calibrating apparatus according to claim 1, it is characterized in that: Shi Zaiqi (9) comprises base (11), be fixed with the hydraulic jack (13) that piston (12) are housed in it on the base (11), be fixed with the push rod (14) that is positioned at synthetic sensor (8) below on the piston (12).
3. weighing apparatus calibrating apparatus according to claim 1, it is characterized in that: Shi Zaiqi (9) comprises base (15), be fixed with screw rod (16) on the base (15), be with the worm gear (18) that is threaded with it on the screw rod (16), be with sleeve (17) on the worm gear (18), sleeve (17) upper end is fixed with push rod (14) and is installed with on sleeve (17) and worm gear (18) engaged worm.
4. according to claim 1 or 2 or 3 described weighing apparatus calibrating apparatus, it is characterized in that: lift drive mechanism is for being inverted the lifting jack (19) that is installed in carrier bar (3) lower end.
5. weighing apparatus calibrating apparatus according to claim 4, it is characterized in that: lifting jack (19) chassis (20) circle distribution has at least three holes, all be installed with an isometric short screw mandrel (21) in each hole, all be screwed with nut (22) on the short screw mandrel (21) of the both sides up and down on chassis (20), be with sliding sleeve (23) on the carrier bar (3), the upper end of short screw mandrel (21) and sliding sleeve (23) are fixing.
6. according to claim 1 or 2 or 3 described weighing apparatus calibrating apparatus, it is characterized in that: the left and right sides of pedestal (1) is equipped with guide-track groove, carrying cylinder (2) comprises guide rail (24), guide rail (24) is provided with and embeds the body (26) that its upper end projection and upper end have screw mandrel (25), be provided with roller (27) between about body (26) and guide rail (24) upper surface, be fixed with on the body (26) with carrier bar (3) and be fixedly coupled frame (28), screw mandrel (25) passes on connection box (28) and the screw mandrel (25) in connection box (28) and is screwed with nut (30).
7. weighing apparatus calibrating apparatus according to claim 5, it is characterized in that: the left and right sides of pedestal (1) is equipped with guide-track groove, carrying cylinder (2) comprises guide rail (24), guide rail (24) is provided with and embeds the body (26) that its upper end projection and upper end have screw mandrel (25), be provided with roller (27) between about body (26) and guide rail (24) upper surface, be fixed with on the body (26) with carrier bar (3) and be fixedly coupled frame (28), screw mandrel (25) passes on connection box (28) and the screw mandrel (25) in connection box (28) and is screwed with nut (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202543967U CN201555657U (en) | 2009-11-04 | 2009-11-04 | Weigher detecting and calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202543967U CN201555657U (en) | 2009-11-04 | 2009-11-04 | Weigher detecting and calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201555657U true CN201555657U (en) | 2010-08-18 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202543967U Expired - Fee Related CN201555657U (en) | 2009-11-04 | 2009-11-04 | Weigher detecting and calibrating device |
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| CN (1) | CN201555657U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538937A (en) * | 2011-12-28 | 2012-07-04 | 福建省计量科学研究院 | Calibration device of large weighing apparatus |
| CN102538936A (en) * | 2011-12-28 | 2012-07-04 | 福建省计量科学研究院 | Calibration device of large weighing apparatus |
| CN102879072A (en) * | 2012-09-27 | 2013-01-16 | 鞍钢股份有限公司 | Column type sensor stress adjusting device for truck scale |
| CN103308139A (en) * | 2012-03-15 | 2013-09-18 | 陈联荣 | Device for calibrating hydraulic pressure of fixed weighing apparatus |
| CN104913834A (en) * | 2015-06-25 | 2015-09-16 | 河南省计量科学研究院 | Weighing apparatus calibration system of water flow-rate standard device |
| 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 |
-
2009
- 2009-11-04 CN CN2009202543967U patent/CN201555657U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538937A (en) * | 2011-12-28 | 2012-07-04 | 福建省计量科学研究院 | Calibration device of large weighing apparatus |
| CN102538936A (en) * | 2011-12-28 | 2012-07-04 | 福建省计量科学研究院 | Calibration device of large weighing apparatus |
| CN102538937B (en) * | 2011-12-28 | 2013-11-06 | 福建省计量科学研究院 | Calibration device of large weighing apparatus |
| CN102538936B (en) * | 2011-12-28 | 2013-11-06 | 福建省计量科学研究院 | Calibration device of large weighing apparatus |
| CN103308139A (en) * | 2012-03-15 | 2013-09-18 | 陈联荣 | Device for calibrating hydraulic pressure of fixed weighing apparatus |
| CN102879072A (en) * | 2012-09-27 | 2013-01-16 | 鞍钢股份有限公司 | Column type sensor stress adjusting device for truck scale |
| CN102879072B (en) * | 2012-09-27 | 2014-04-02 | 鞍钢股份有限公司 | Column type sensor stress adjusting device for truck scale |
| CN104913834A (en) * | 2015-06-25 | 2015-09-16 | 河南省计量科学研究院 | Weighing apparatus calibration system of water flow-rate standard device |
| 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: 20100818 Termination date: 20181104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |