CN102435290A - Auxiliary calibrating device of fixed electronic weighing apparatus - Google Patents
Auxiliary calibrating device of fixed electronic weighing apparatus Download PDFInfo
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- CN102435290A CN102435290A CN2011103009589A CN201110300958A CN102435290A CN 102435290 A CN102435290 A CN 102435290A CN 2011103009589 A CN2011103009589 A CN 2011103009589A CN 201110300958 A CN201110300958 A CN 201110300958A CN 102435290 A CN102435290 A CN 102435290A
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- electronic scale
- hydraulic cylinder
- fixed electronic
- weighing apparatus
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Abstract
The invention discloses an auxiliary calibrating device of a fixed electronic weighing apparatus. The auxiliary calibrating device comprises a base, a bearing support, a standard transducer, a hydraulic cylinder and a bearing plate, wherein the base is installed on a foundation of the electronic weighing apparatus, and a weighing sensor of the electronic weighing apparatus is installed on the base; the bearing support is formed by a bottom plate, a vertical column and a top beam into a shape like the letter J, and the bottom plate is fixedly connected with the base; the standard transducer is connected with an indicator which displays the force value; and the hydraulic cylinder is connected with a hydraulic control system, and the standard transducer, the hydraulic cylinder and the bearing plate are coaxially and sequentially arranged below the top beam of the bearing support from top to bottom. The calibration of the fixed electronic weighing apparatus can be more quickly and economically completed through the technical scheme, the requirement on measuring accuracy is satisfied, meanwhile, the structure of a loader is not damaged, and the processing technique and the scale integrity of the current weighing apparatus are kept to the maximum extent. Moreover, the volume is smaller, so the auxiliary calibrating device of the fixed electronic weighing apparatus is convenient to transport, install and use.
Description
Technical field
The present invention relates to the weighing technology field, relate in particular to a kind of auxiliary calibrating installation that is applicable to the calibrating of large-scale fixed electronic scale.
Background technology
Fixed electronic scale is present very general in the world Weighing utensil, is widely used in industries such as railway, harbour, mine, chemical industry.Fixed electronic scale before use must be through calibrating, to confirm its accuracy class, at present; The calibration method of China's truck scale mainly adopts the standard test weight calibrating or adopts the calibrating of counterweight substitute; There are many limitation in these methods, such as the counterweight difficult, at the bottom of the calibrating efficient; Expense is high, poor stability or the like; And the auxiliary calibrating installation or the method that adopt at present or calibration accuracy does not reach requirement, or destroyed the structure of carrier, influence the security and the anti-fatigue ability of weighing apparatus use.
Publication number is that the patent documentation of CN201402180Y discloses a kind of superposing type pick-up unit that is used to detect large-scale weighing machine weighing performance, but it adopts structural volume such as framework, column and crossbeam bigger, transports and to install and use difficulty big.
Summary of the invention
In order to solve above-mentioned technical matters; The auxiliary calibrating installation that the purpose of this invention is to provide a kind of fixed electronic scale; So that the calibrating of the fixed electronic scale of completion of fast, economical more; When satisfying the measuring accuracy requirement, do not destroy carrier structure again, at utmost kept the processing technology of present weighing apparatus and the integrality of scale body.And volume is less, conveniently transports and installs and uses.
In order to reach above-mentioned purpose, the technical scheme below the present invention has adopted:
A kind of auxiliary calibrating installation of fixed electronic scale comprises: a base, this base are installed on the basis of electronic scale, and the LOAD CELLS of electronic scale is installed above the base; One carries support, and this carrying support is "] by a base plate, a column and a back timber structure " shape, its base plate is fixedly connected with said base; One standard transducer, this standard transducer is connected with the indicator of demonstration power value; One hydraulic cylinder, this hydraulic cylinder is connected with hydraulic control system; One loading plate; Wherein, said standard transducer, hydraulic cylinder and loading plate are coaxial successively from top to bottom is arranged on below the back timber that carries support.
As preferably, said base is I-shaped, and the base plate of said carrying support takes the shape of the letter U, and two U-shaped arms of said base plate insert in the breach of the I-shaped both sides of base and be fixing.Make things convenient for like this both detachable with install and use.
As preferably, between said back timber and the standard transducer, between standard transducer and the hydraulic cylinder, all be provided with the bowl-type loading bearing between said hydraulic cylinder and the loading plate.Can further guarantee accurate calibrating, the stress influence of avoiding alignment error to cause like this.Said bowl-type loading bearing comprises the two parts up and down that cooperate through concavo-convex sphere.
As preferably, said loading plate is a frustum.Like this can the simulated automotive tyre width, help further to guarantee accurately calibrating.
Said indicator is a digital indicator.
The present invention is owing to adopted above technical scheme; The calibrating of the fixed electronic scale of completion of fast, economical more; When satisfying the measuring accuracy requirement, do not destroy carrier structure again, at utmost kept the processing technology of present weighing apparatus and the integrality of scale body.And volume is less, conveniently transports and installs and uses.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of base of the present invention.
Fig. 3 is the structural representation that support is carried in the present invention.
Fig. 4 is the A-A cut-open view of Fig. 3.
Embodiment
Do a detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.
Embodiment 1:
The auxiliary calibrating installation of a kind of fixed electronic scale as shown in Figure 1 comprises: a base 2, base 2 are installed on the basis 13 of electronic scale, and the LOAD CELLS 12 of electronic scale is installed above the base 2; One carries support 1, as shown in Figure 3, and this carrying support 1 is "] by a base plate 101, a column 102 and a back timber 103 structures " shape, its base plate 101 is fixedly connected with said base 2; One standard transducer 7, this standard transducer 7 is connected with the digital indicator 10 of demonstration power value; One hydraulic cylinder 5, this hydraulic cylinder 5 is connected with hydraulic control system 9; One loading plate 3; Wherein, said standard transducer 7, hydraulic cylinder 5 and loading plate 3 are coaxial successively from top to bottom is arranged on below the back timber 103 that carries support 1.
In the present embodiment, said base 2 is I-shaped, and the base plate 101 of said carrying support 1 takes the shape of the letter U, and two U-shaped arms 104 of said base plate 101 insert in the base 2 I-shaped both sides breach 201 and fix.Between said back timber 103 and the standard transducer 7, between standard transducer 7 and the hydraulic cylinder 5, all be provided with bowl-type loading bearing 8,6,4 between said hydraulic cylinder 5 and the loading plate 3.
Like Fig. 3, shown in Figure 4, described carrying support 1 lower end base plate 101 is provided with U type opening, and the upper end back timber is provided with the bearing holes that is used to install bowl-type loading bearing 8, and U type open card makes carrying support 1 fixing on I-shaped base 2 during use; As shown in Figure 2, described I-shaped base 2, both sides have breach 201, and the upper end is provided with screw, can be used to install and fix the LOAD CELLS 12 of formula electronic scale, when processing weighing apparatus basis, is provided with facing up of screw and is embedded on the basis 13; Described loading plate 3 is a frustum of a cone, and two ends respectively are provided with the plane up and down, the width of lower plane diameter simulation tire, and lower plane is placed on the carrier 11 of fixed electronic scale during use, and last plane links to each other with bowl-type loading bearing 4; Described bowl-type loading bearing 4,6,8 is made up of two parts up and down, and top one end is the plane, the sphere of the other end for protruding, and lower part one end is the plane, the other end is recessed sphere.Sphere with the top protrusion during use places in the recessed sphere in lower part, but forms the integral body of a relative motion; Described hydraulic cylinder 5 mainly is made up of piston and oil cylinder; Effect provides the power source, and described piston can move up and down, and makes weighing platform stressed; The motion of piston is accomplished by hydraulic control system 9, places directly over the bowl-type loading bearing 4 during use, under the bowl-type loading bearing 6; Described standard transducer 7 one ends are the plane; The other end is a plush copper, as preferably, can adopt the cruciform force cell; During use standard transducer 7 is placed bowl-type loading bearing 6 tops, nose portion places in the circular hole of lower plane end of bowl-type loading bearing 8; Described hydraulic control system 9 can be made up of servomotor, fuel tank, computing machine etc.; Be connected with hydraulic cylinder 5 through oil pipe; Main effect is the control through computing machine; Make hydraulic cylinder 5 can export a stable power source, the size of its power value can show through the digital indicator 10 that shows the power value; The digital indicator 10 of described demonstration power value can adopt the power supply of alternating current-direct current form, has the function of multiple parameters such as calibrating zero point, adjustment radix point, scale division value, has the function of multiple output interface simultaneously.
The present invention in use; A plurality of above-mentioned auxiliary calibrating installations are installed on fixed electronic scale; Promptly on preassembled base 2, fix and carry support 1 and other parts; Preferably with the corresponding one by one installation of LOAD CELLS of electronic scale,, superpose through the weight that all a plurality of digital indicators 9 are shown electronic scale is examined and determine through 5 pressurizations of hydraulic control system 9 control hydraulic cylinders.
Claims (6)
1. the auxiliary calibrating installation of a fixed electronic scale is characterized in that, comprising:
One base (2), this base (2) are installed on the basis (13) of electronic scale, and the LOAD CELLS (12) of electronic scale is installed above the base (2);
One carries support (1), and this carrying support (1) is "] by a base plate (101), a column (102) and a back timber (103) structure " shape, its base plate (101) is fixedly connected with said base (2);
One standard transducer (7), this standard transducer (7) are connected with the indicator (10) of demonstration power value;
One hydraulic cylinder (5), this hydraulic cylinder (5) is connected with hydraulic control system (9);
One loading plate (3); Wherein, said standard transducer (7), hydraulic cylinder (5) and loading plate (3) are coaxial successively from top to bottom is arranged on below the back timber (103) that carries support (1).
2. the auxiliary calibrating installation of a kind of fixed electronic scale according to claim 1; It is characterized in that; Said base (2) is I-shaped; The base plate (101) of said carrying support (1) takes the shape of the letter U, and two U-shaped arms (104) of said base plate (101) insert in base (2) the I-shaped both sides breach (201) and fix.
3. the auxiliary calibrating installation of a kind of fixed electronic scale according to claim 1; It is characterized in that, between said back timber (103) and the standard transducer (7), between standard transducer (7) and the hydraulic cylinder (5), all be provided with the bowl-type loading bearing between said hydraulic cylinder (5) and the loading plate (3).
4. the auxiliary calibrating installation of a kind of fixed electronic scale according to claim 3 is characterized in that, said bowl-type loading bearing comprises the two parts up and down that cooperate through concavo-convex sphere.
5. the auxiliary calibrating installation of a kind of fixed electronic scale according to claim 1 is characterized in that, said loading plate (3) is a frustum.
6. the auxiliary calibrating installation of a kind of fixed electronic scale according to claim 1 is characterized in that, said indicator (10) is a digital indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103009589A CN102435290A (en) | 2011-09-29 | 2011-09-29 | Auxiliary calibrating device of fixed electronic weighing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103009589A CN102435290A (en) | 2011-09-29 | 2011-09-29 | Auxiliary calibrating device of fixed electronic weighing apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN102435290A true CN102435290A (en) | 2012-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103009589A Pending CN102435290A (en) | 2011-09-29 | 2011-09-29 | Auxiliary calibrating device of fixed electronic weighing apparatus |
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| CN (1) | CN102435290A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121980A (en) * | 2014-08-06 | 2014-10-29 | 福建省计量科学研究院 | Factory-leaving calibrating device of large 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4733736A (en) * | 1987-08-03 | 1988-03-29 | Holtgreven Scale And Electronics Corporation | Load cell assembly |
| CN2532467Y (en) * | 2002-04-08 | 2003-01-22 | 赵本东 | Large weighing apparatus caribration instrument |
| CN201145611Y (en) * | 2007-12-11 | 2008-11-05 | 上海梅山钢铁股份有限公司 | Large-scale weighing equipment calibrating apparatus without counterweight |
| CN101435717A (en) * | 2008-12-11 | 2009-05-20 | 中国航天科技集团公司第四研究院第四十四研究所 | Load application structure unit for automobile balance checkout |
| CN202229837U (en) * | 2011-09-29 | 2012-05-23 | 浙江南洋传感器制造有限公司 | Auxiliary calibrating device of fixed electronic weighing instrument |
-
2011
- 2011-09-29 CN CN2011103009589A patent/CN102435290A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4733736A (en) * | 1987-08-03 | 1988-03-29 | Holtgreven Scale And Electronics Corporation | Load cell assembly |
| CN2532467Y (en) * | 2002-04-08 | 2003-01-22 | 赵本东 | Large weighing apparatus caribration instrument |
| CN201145611Y (en) * | 2007-12-11 | 2008-11-05 | 上海梅山钢铁股份有限公司 | Large-scale weighing equipment calibrating apparatus without counterweight |
| CN101435717A (en) * | 2008-12-11 | 2009-05-20 | 中国航天科技集团公司第四研究院第四十四研究所 | Load application structure unit for automobile balance checkout |
| CN202229837U (en) * | 2011-09-29 | 2012-05-23 | 浙江南洋传感器制造有限公司 | Auxiliary calibrating device of fixed electronic weighing instrument |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121980A (en) * | 2014-08-06 | 2014-10-29 | 福建省计量科学研究院 | Factory-leaving calibrating device of large weighing apparatus |
| CN104121980B (en) * | 2014-08-06 | 2016-10-12 | 福建省计量科学研究院 | A kind of assay device that dispatching from the factory of large-scale weighing machine |
| 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 |
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Application publication date: 20120502 |