CN105675109A - Non-counterweight calibrating device for concrete batching scale metering performance static test - Google Patents
Non-counterweight calibrating device for concrete batching scale metering performance static test Download PDFInfo
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- CN105675109A CN105675109A CN201610234810.2A CN201610234810A CN105675109A CN 105675109 A CN105675109 A CN 105675109A CN 201610234810 A CN201610234810 A CN 201610234810A CN 105675109 A CN105675109 A CN 105675109A
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- China
- Prior art keywords
- calibration
- concrete batching
- batching scale
- metering performance
- static test
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
- G01G23/015—Testing or calibrating of weighing apparatus by adjusting to the local gravitational acceleration
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of concrete batching scale metering performance calibration and specifically relates to a non-counterweight calibrating device for a concrete batching scale metering performance static test. The calibrating device comprises a force application device, a weighing sensor, a digital display instrument. The weighing sensor is connected with the digital display instrument. The calibrating device further comprises a connecting rod assembly. Two ends of the connecting rod assembly are respectively provided with a roller assembly and a hook. The length of the force application device is adjustable, and two ends are connected with the roller assembly and the hook through chains. The weighing sensor is arranged on the bottom part of the roller assembly. The non-counterweight calibrating device solves the problems the working face is narrow, counterweight transportation and assembling are inconvenient in an existing concrete batching scale metering performance calibration process, the calibration level is improved, and the labor intensity is lowered. By means of gravity effect simulation, non-counterweight calibration is realized. By a screw tightening mode, the length is adjusted, so that the loading of a support surface is realized, and the development of the calibration work is facilitated. The loading process is continuous and adjustable, and the full range of a concrete batching scale is calibrated.
Description
Technical field
The present invention relates to burden balance metering performance static test collimation technique field, be specifically related to a kind of concrete batching scale metering performance static test without calibration of weight device.
Background technology
In ready-mixed concrete production process, by concrete by the match ratio input control apparatus determined, the raw materials such as sand, stone, cement, additive, water and chemical addition agent just by concrete mix by weighing control system automatic weighing, conveying, stirring, under expect in transportation tank car. The weighing that raw-material Weighing controls equipment concrete batching scale is particularly important accurately and reliably, had both been related to concrete product quality, and had also affected the cost control of manufacturing enterprise. Therefore therefore concrete batching scale calibration operation amount is significantly increased, and traditional calibration steps is loading counterweight in hopper, counterweight value and scale read-around ratio to, adjust, it is achieved weighing value calibration. The method that this counterweight loads has a lot of drawback, and one is that work surface is narrow, is extremely difficult to maximum capacity; Two is counterweight transport, the handling a large amount of manpowers of consuming, gives and is brought heavy burden, pole to be unfavorable for carrying out of burden balance calibration operation by inspection unit. Concrete batching weighing-appliance has the features such as little weighing (below 5t), low accuracy grade (below common accuracy grade), bucket type carrier (upper surface seals, and end face is narrow). Along with the progress of LOAD CELLS technology, the detection technique substituting counterweight is possibly realized at low accuracy weighing apparatus detection field. It is thus desirable to a kind of concrete batching scale metering performance static test of exploitation is without calibration of weight device, promotes detection level, reduce labor intensity.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide a kind of concrete batching scale metering performance static test and solve, without calibration of weight device, the problem that existing concrete burden balance calibrating installation work surface is narrow and counterweight transports, handling are inconvenient, and detection level can be promoted, reduce labor intensity.
The technical scheme is that and be achieved in that: a kind of concrete batching scale metering performance static test includes force application apparatus, LOAD CELLS, digital displaying meter without calibration of weight device, described LOAD CELLS electrically connects with digital displaying meter, it is characterized in that, described concrete batching scale metering performance static test includes link assembly without calibration of weight device, described link assembly is respectively arranged at two ends with roll wheel assembly and hook, described force application apparatus length can regulate, and its two ends are connected with hook with roll wheel assembly by chain; Described LOAD CELLS is arranged on bottom roll wheel assembly.
Described force application apparatus is screw mandrel tightening structure.
Described force application apparatus tightens up adjustment length by spiral, this force application apparatus includes middle part and is provided with the adjusting rod of ratchet nut, described adjusting rod two ends around are threaded respectively left hinge ear and right hinge ear, is provided with the ratchet adjustable handle matched with described ratchet nut in the middle part of it.
Described link assembly includes the left jaw at the body of rod and body of rod two ends and right jaw.
Described roll wheel assembly includes roller and bearing, and described roller center is embedded with bearing; Described roll wheel assembly is separately fixed at by bearing pin in described left jaw and right jaw; Described bottom surface of support saddle is connected to connecting bottom board.
Described LOAD CELLS is strain pressure transducer, and described LOAD CELLS is arranged on below connecting bottom board.
Described roll wheel assembly centre distance is 780～1500mm.
The invention solves the defect existed in background technology, have the advantages that
Concrete batching scale metering performance static test provided by the invention is reliable without calibration of weight device performance, solves the narrow problem with counterweight transport, handling inconvenience of existing concrete burden balance calibrating installation work surface, and can promote detection level, reduces labor intensity. This device passes through simulated gravity effect, it is achieved without calibration of weight. Length is regulated, thus realizing loading to bearing-surface by the L-R helicoidal mode of tightening up. Chain power transmission is to roller, and the downward power transmission of roller is to the LOAD CELLS of this device, and is superimposed on and is calibrated on burden balance. By the reading of this device be calibrated scale read-around ratio to, adjust, it is achieved weighing value calibration. Weighing apparatus is calibrated by the method without counterweight adopting the present invention, and the counterweight eliminated transports, loads and unloads heavy process, is very easy to carrying out of this work. This calibrating installation work face width, and the maximum weighing of burden balance can be calibrated, solve the restriction because of counterweight handling and working environment in conventional calibration method, real work is difficult to the maximum weighing calibration accomplished. In addition the Technology Ways of this device is calibrated without counterweight weighing apparatus for other, detection provides reference function.
Accompanying drawing explanation
Fig. 1 is the concrete batching scale metering performance static test structural representation without calibration of weight device;
Fig. 2 is the schematic top plan view of Fig. 1;
Fig. 3 is the left view schematic diagram of Fig. 1;
In figure: 1-roll wheel assembly, 11-roller, 12-bearing, 13-connecting bottom board, 14-bearing, 2-chain, 3-force application apparatus, 31-ratchet adjustable handle, the left hinge ear of 32-, 33-adjusting rod, the right hinge ear of 34-, 4-links up with, 5-link assembly, the 51-body of rod, the left jaw of 52-, the right jaw of 53-.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
A kind of concrete batching scale metering performance static test as shown in Figure 1, Figure 2 and Figure 3 is without calibration of weight device, including force application apparatus 3, LOAD CELLS, digital displaying meter, LOAD CELLS electrically connects with digital displaying meter, concrete batching scale metering performance static test includes link assembly 5 without calibration of weight device, link assembly 5 is respectively arranged at two ends with roll wheel assembly 1 and hook 4, force application apparatus 3 length can regulate, and its two ends are connected with hook 4 with roll wheel assembly 1 by chain 2; LOAD CELLS is arranged on bottom roll wheel assembly 1. Force application apparatus 3 tightens up adjustment length by spiral, this force application apparatus 3 includes middle part and is provided with the adjusting rod 33 of ratchet nut, adjusting rod 33 two ends around are threaded respectively left hinge ear 32 and right hinge ear 34, is provided with the ratchet adjustable handle 31 matched with described ratchet nut in the middle part of it. Link assembly 5 includes left jaw 52 and the right jaw 53 at the body of rod 51 and the body of rod 51 two ends. Roll wheel assembly 1 includes roller 11 and bearing 12, and roller 11 center is embedded with bearing 14; Roll wheel assembly 1 is separately fixed at by bearing pin in described left jaw 52 and right jaw 53; Bearing 12 bottom surface is connected to connecting bottom board 13. LOAD CELLS is strain pressure transducer, and described LOAD CELLS is arranged on below connecting bottom board 13. Force application apparatus 3 is screw mandrel tightening structure. Roll wheel assembly 1 centre distance is 780～1500mm.
The work process of the present invention is: this device passes through simulated gravity effect, it is achieved without calibration of weight. During calibration operation, this calibrating installation is placed on the scale being calibrated, installs chain 2 after setting, get final product work. The hook 4 at two ends is connected on the support steel structure of concrete batching scale, handle 31 is regulated by rotating ratchet, sleeve is made to drive ratchet nut to rotate, thus driving the relatively left hinge ear 32 of adjusting rod 33 and right hinge ear 34 screw thread rotation, length is regulated thereby through the L-R spiral mode of tightening up, tightening up force application apparatus 3, force application apparatus 3 is thus realizing loading to bearing-surface. Chain 2 power transmission is to roller 11, and the downward power transmission of roller 11 is to the LOAD CELLS of this device, and is superimposed on and is calibrated on burden balance. By the reading of this device be calibrated scale read-around ratio to, adjust, it is achieved weighing value calibration. Time in ratchet adjustable handle 31 rotation process, the ratchet matched can insert in the teeth groove of ratchet nut, has non-return effect, therefore can be further ensured that the change force value producing steady and continuous. Weighing apparatus is calibrated by the method without counterweight adopting the present invention, and the counterweight eliminated transports, loads and unloads heavy process, is very easy to carrying out of this work. This calibrating installation work face width, and the maximum weighing of burden balance can be calibrated, solve the restriction because of counterweight handling and working environment in conventional calibration method, real work is difficult to the maximum weighing calibration accomplished. In addition the Technology Ways of this device is calibrated without counterweight weighing apparatus for other, detection provides reference function.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (7)
1. a concrete batching scale metering performance static test is without calibration of weight device, including force application apparatus (3), LOAD CELLS, digital displaying meter, described LOAD CELLS electrically connects with digital displaying meter, it is characterized in that, described concrete batching scale metering performance static test includes link assembly (5) without calibration of weight device, described link assembly (5) is respectively arranged at two ends with roll wheel assembly (1) and hook (4), described force application apparatus (3) length can regulate, its two ends are connected with hook (4) with roll wheel assembly (1) by chain (2),Described LOAD CELLS is arranged on roll wheel assembly (1) bottom.
2. concrete batching scale metering performance static test according to claim 1 is without calibration of weight device, it is characterised in that: described force application apparatus (3) is screw mandrel tightening structure.
3. concrete batching scale metering performance static test according to claim 1 and 2 is without calibration of weight device, it is characterized in that: described force application apparatus (3) tightens up adjustment length by spiral, this force application apparatus (3) includes middle part and is provided with the adjusting rod (33) of ratchet nut, described adjusting rod (33) two ends around are threaded respectively left hinge ear (32) and right hinge ear (34), is provided with the ratchet adjustable handle (31) matched with described ratchet nut in the middle part of it.
4. concrete batching scale metering performance static test according to claim 3 is without calibration of weight device, it is characterised in that: described link assembly (5) includes left jaw (52) and the right jaw (53) at the body of rod (51) and the body of rod (51) two ends.
5. concrete batching scale metering performance static test according to claim 4 is without calibration of weight device, it is characterized in that: described roll wheel assembly (1) includes roller (11) and bearing (12), and described roller (11) center is embedded with bearing (14); Described roll wheel assembly (1) is separately fixed at by bearing pin in described left jaw (52) and right jaw (53); Described bearing (12) bottom surface is connected to connecting bottom board (13).
6. concrete batching scale metering performance static test according to claim 5 is without calibration of weight device, it is characterised in that: described LOAD CELLS is strain pressure transducer, and described LOAD CELLS is arranged on connecting bottom board (13) below.
7. concrete batching scale metering performance static test according to claim 6 is without calibration of weight device, it is characterised in that: described roll wheel assembly (1) centre distance is 780～1500mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610234810.2A CN105675109B (en) | 2016-04-15 | 2016-04-15 | A kind of concrete batching scale metering performance static test is without calibration of weight device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610234810.2A CN105675109B (en) | 2016-04-15 | 2016-04-15 | A kind of concrete batching scale metering performance static test is without calibration of weight device |
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| Publication Number | Publication Date |
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| CN105675109A true CN105675109A (en) | 2016-06-15 |
| CN105675109B CN105675109B (en) | 2018-06-26 |
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| CN201610234810.2A Expired - Fee Related CN105675109B (en) | 2016-04-15 | 2016-04-15 | A kind of concrete batching scale metering performance static test is without calibration of weight device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112345056A (en) * | 2020-10-13 | 2021-02-09 | 河钢股份有限公司承德分公司 | Method for calibrating and verifying precision of decrement scale by substitute |
| CN115876298A (en) * | 2021-09-29 | 2023-03-31 | 梅特勒-托利多(常州)精密仪器有限公司 | Non-alternative calibration method for weighing system of charging bucket scale |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP3172023U (en) * | 2011-09-16 | 2011-12-01 | 有限会社秋田計測工業 | Display-holding static load inspection device for weighing machines |
| CN205049231U (en) * | 2015-09-14 | 2016-02-24 | 重庆建工新型建材有限公司 | Quick school balance device of concrete proportion scales |
| CN205049230U (en) * | 2015-09-14 | 2016-02-24 | 重庆建工新型建材有限公司 | Quick school balance device of concrete raw and other materials weigher |
| CN205826122U (en) * | 2016-04-15 | 2016-12-21 | 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 |
-
2016
- 2016-04-15 CN CN201610234810.2A patent/CN105675109B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP3172023U (en) * | 2011-09-16 | 2011-12-01 | 有限会社秋田計測工業 | Display-holding static load inspection device for weighing machines |
| CN205049231U (en) * | 2015-09-14 | 2016-02-24 | 重庆建工新型建材有限公司 | Quick school balance device of concrete proportion scales |
| CN205049230U (en) * | 2015-09-14 | 2016-02-24 | 重庆建工新型建材有限公司 | Quick school balance device of concrete raw and other materials weigher |
| CN205826122U (en) * | 2016-04-15 | 2016-12-21 | 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112345056A (en) * | 2020-10-13 | 2021-02-09 | 河钢股份有限公司承德分公司 | Method for calibrating and verifying precision of decrement scale by substitute |
| CN112345056B (en) * | 2020-10-13 | 2022-07-22 | 河钢股份有限公司承德分公司 | Method for calibrating and verifying precision of decrement scale by substitute |
| CN115876298A (en) * | 2021-09-29 | 2023-03-31 | 梅特勒-托利多(常州)精密仪器有限公司 | Non-alternative calibration method for weighing system of charging bucket scale |
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| Publication number | Publication date |
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| CN105675109B (en) | 2018-06-26 |
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Granted publication date: 20180626 |