CN202793940U - Automatic testing system for concrete press creep - Google Patents
Automatic testing system for concrete press creep Download PDFInfo
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- CN202793940U CN202793940U CN 201220527435 CN201220527435U CN202793940U CN 202793940 U CN202793940 U CN 202793940U CN 201220527435 CN201220527435 CN 201220527435 CN 201220527435 U CN201220527435 U CN 201220527435U CN 202793940 U CN202793940 U CN 202793940U
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Abstract
The utility model discloses an automatic testing system for concrete press creep. The automatic testing system comprises a load holding support and is characterized in that the load holding support comprises a lower counterforce plate, a spring, a lower pressure-bearing plate, a spherical hinge, a displacement sensor, a pressure sensor, an upper pressure-bearing plate, a jack, an upper counterforce plate, a metal bar and a nut, wherein the displacement sensor and the pressure sensor are connected with a date acquisition instrument, and the data acquisition instrument is provided with a display screen, has a data storage function, is provided with a data export interface and an uninterruptible power system. The jack is connected with an oil pump. The automatic testing system for the concrete press creep is loaded by adopting the hydraulic jack, is simple and convenient to operate and is economical. The data acquisition instrument can be used for displaying and storing data measured by the sensor in real time and transmitting a testing result to the computer so that data analyzing and processing are more convenient. Due to the adoption of the uninterruptible power supply, the testing reliability is increased.
Description
Technical field
The utility model relates to a kind of testing equipment for detection of the Creep Characteristics of concrete under the constant pressure load action.
Background technology
Creep Characteristics is a kind of performance of material nonlinearity characteristic, can cause the Constitutive relationship of metals time to time change.Concrete belongs to a kind of of material, and it has Creep Characteristics equally.Creep of concrete can cause building structure distortion and internal force redistribution, for prestressed reinforced concrete construction, also can cause the amount of deflection of loss of prestress or increase Longspan Bridge, or make high building structure produce excessive vertical differential deformation etc.Thereby the concrete material that uses for priority project carries out the Creep Characteristics test and is very important.
The voltage-stabilizing system of Creep Loading Equipment has four kinds, is respectively lever, spring, spring lever formula and fluid pressure type.Because spring Creep Loading Equipment floor area is little, load the advantages such as convenient and reliable, thereby be that China uses maximum load modes of creeping.The problem that existing Creep Apparatus exists is to adopt the manual method image data, for the concrete creep test of these class testing time remaining several years, well imagines to labour intensity and complicacy that the experimenter brings.A kind of full-automatic concrete test macro of creeping has been announced in " concrete compression creep test tester " (ZL 200720069435.7) of authorizing on March 12nd, 2008, this system comprises displacement transducer, load transducer, Temperature Humidity Sensor, constraint framework and multivariate data automatic collector etc., but this system adopts actuator as the load bringing device, for the requirement that regulation load application variation in the standard is no more than 2%, increased greatly the cost of equipment, very uneconomical.
The utility model content
The utility model is in order to solve the deficiencies in the prior art, and lower, the easy to operate record storage-type concrete compression of a kind of cost Auto-Test System of creeping is provided.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of concrete compression Auto-Test System of creeping, comprise and hold the lotus support, it is characterized in that, the described lotus support of holding is comprised of the elastic force section of applying, test specimen test section and the load section of applying three parts, the described elastic force section of applying is comprised of lower reaction plate, spring and lower bearing plate, described test specimen test section is comprised of ball pivot, test specimen to be measured, displacement transducer, pressure transducer, and the described load section of applying is comprised of upper bearing plate, lifting jack and upper reaction plate.Described three parts are connected in series by three Metallic rod.
Described displacement transducer links to each other with data collecting instrument with pressure transducer, and described data collecting instrument also links to each other with Temperature Humidity Sensor.
Described data collecting instrument is provided with display screen and internal storage space.Preferred described data collecting instrument configuration UPS uninterrupted power source.
Described data collecting instrument is provided with the data export interface.
Described lifting jack links to each other with hydraulic oil pump.Preferred described lifting jack is self-locking jack.
Compared with prior art, the beneficial effects of the utility model show as:
1, simple to operate, good economy performance: because adopt hydraulic jack, compare actuator, simple to operate, cost is lower;
2, test is reliable: data collecting instrument is provided with storage space, but the real-time storage test figure; Simultaneously owing to disposed the UPS uninterrupted power source, eliminate because of the possibility that accident power-off interrupts so that reach the creep test of a year or several years.
3, convenient data processing: can check and analyze data by Acquisition Instrument, also can import computer by memory device and carry out analyzing and processing.
Description of drawings
Fig. 1 is the utility model loading constitutional diagram;
Fig. 2 is the utility model data collecting instrument synoptic diagram;
Among the figure: reaction plate under the 1-, 2-spring, bearing plate under the 3-, 4-ball pivot, 5-test specimen to be measured, the 6-displacement transducer, 7-pressure transducer, the upper bearing plate of 8-, 9-lifting jack, the upper reaction plate of 10-, the 11-oil pump, 12-data collecting instrument, 12-1-display screen, 12-2 Temperature Humidity Sensor interface; 12-3-displacement transducer interface; The 12-4-pressure sensor interface; The 12-5-switch; 12-6-data export interface; The 13-Temperature Humidity Sensor, 14-Metallic rod, 15-nut.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model embodiment is described in further detail.
Referring to Fig. 1, a kind of concrete compression Auto-Test System of creeping mainly comprises lower reaction plate 1, spring 2, lower bearing plate 3, ball pivot 4, displacement transducer 6, pressure transducer 7, upper bearing plate 8, lifting jack 9, upper reaction plate 10, Metallic rod 14, nut 15, oil pump 11, data collecting instrument 12 and Temperature Humidity Sensor 13.Metallic rod 14 runs through lower reaction plate 1, spring 2, lower bearing plate 3, upper bearing plate 8, upper reaction plate 10, holds the lotus rack body by the nut formation in lower reaction plate 1 and upper reaction plate 10 outsides.Ball pivot 4 is fixed on the lower bearing plate 3, and pressure transducer 7 is fixed in bearing plate 8 bottoms.Test specimen 5 to be measured is installed between ball pivot 4 and the pressure transducer 7, and displacement transducer 6 is fixed in test specimen to be measured 5 surfaces.Lifting jack 9 is movable part, is being placed in during the loading between loading plate 8 and the upper reaction plate 10, by oil pump 11 control adjustable heights.Temperature Humidity Sensor 13 is put in the environment.Displacement transducer 6, pressure transducer 7 and Temperature Humidity Sensor 13 link to each other with data collecting instrument 12.But data collecting instrument 12 real-time storage data that sensor is surveyed.
Referring to Fig. 2, data collecting instrument comprises display screen 12-1, Temperature Humidity Sensor interface 12-2, displacement transducer interface 12-3, pressure sensor interface 12-4, switch 12-5 and data export interface 12-6.
The below introduces using method of the present utility model.
At first test specimen 5 to be measured is installed between ball pivot 4 and the pressure transducer 7, and displacement transducer 6 is fixed in test specimen to be measured 5 surfaces.Then unscrew the nut below the upper bearing plate 8, and lifting jack 9 is positioned between upper reaction plate 10 and the upper bearing plate 8, lifting jack 9 links to each other with oil pump 11.Displacement transducer 6, pressure transducer 7 and Temperature Humidity Sensor 13 link to each other with data collecting instrument 12.
Adjust the top lifting height of lifting jack 9 by control oil pump 11, and then change the size that upper bearing plate 8 loads on the power on the test specimen 5 to be measured.When observing the power that acts on the test specimen 5 to be measured by data collecting instrument 12 and reached standard-required, screw immediately the nut on the bearing plate 8, make pressure transducer 7 measured values meet standard-required.In the operating process, can adjust by regulating ball pivot 4 position of test specimen 5 to be measured.Afterwards, lifting jack 9 can unload, and is used for applying of next test specimen trial load to be measured.Displacement transducer 6, pressure transducer 7 and Temperature Humidity Sensor 13 are sent to data collecting instrument 12 with the real-time testing result, and 12 pairs of data of described data collecting instrument show in real time, store, and the preference data Acquisition Instrument has drawing function.
Described data collecting instrument 12 can connect AC220V power supply or internal battery, preferably has uninterrupted power source.
Described data collecting instrument 12 has the data export function, and test figure can be carried out analyzing and processing on computers.
The utility model concrete compression Auto-Test System of creeping adopts hydraulic jack to carry out loading, the cheap while of equipment investment cost is simple to operation, and can after loading is finished, move to another and hold the lotus support and load, having increased the turnover rate of equipment, economy is better.Data collecting instrument can show in real time, data that storage sensor is surveyed, and the uninterrupted power source of outfit guarantees that test has increased the reliability of testing not because of interim or during accidental power failure failure in the test period of a year or several years.Data collecting instrument has the data export interface, test findings can be gone on the computer, and data analysis is processed convenient.
The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. concrete compression Auto-Test System of creeping, comprise and hold the lotus support, it is characterized in that, the described lotus support of holding is comprised of the elastic force section of applying, test specimen test section and the load section of applying three parts, the described elastic force section of applying is comprised of lower reaction plate, spring and lower bearing plate, described test specimen test section is comprised of ball pivot, test specimen to be measured, displacement transducer, pressure transducer, and the described load section of applying is comprised of upper bearing plate, lifting jack and upper reaction plate, and described three parts are connected in series by three Metallic rod.
2. the concrete compression according to claim 1 Auto-Test System of creeping is characterized in that described displacement transducer links to each other with data collecting instrument with pressure transducer, and described data collecting instrument has display screen, data storage function and data export interface.
3. the concrete compression according to claim 2 Auto-Test System of creeping is characterized in that, described data collecting instrument is equipped with uninterrupted power source.
4. the concrete compression according to claim 1 Auto-Test System of creeping is characterized in that described lifting jack links to each other with oil pump, and system loads pressure is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220527435 CN202793940U (en) | 2012-10-16 | 2012-10-16 | Automatic testing system for concrete press creep |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220527435 CN202793940U (en) | 2012-10-16 | 2012-10-16 | Automatic testing system for concrete press creep |
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| Publication Number | Publication Date |
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| CN202793940U true CN202793940U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220527435 Expired - Fee Related CN202793940U (en) | 2012-10-16 | 2012-10-16 | Automatic testing system for concrete press creep |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439250A (en) * | 2013-08-24 | 2013-12-11 | 西南交通大学 | Sustainable tracing energy storage type loading device |
| CN105241655A (en) * | 2015-10-29 | 2016-01-13 | 攀枝花学院 | Pressure stabilizing apparatus for structure test |
| CN105784491A (en) * | 2016-03-10 | 2016-07-20 | 清华大学 | Cement-based material compression creep testing device |
| CN105890969A (en) * | 2016-04-08 | 2016-08-24 | 湖南城市学院 | Testing mechanism for concrete creep under corrosion action, application and creep testing method |
| CN107621253A (en) * | 2017-10-27 | 2018-01-23 | 天津建仪机械设备检测有限公司 | Concrete deformation detecting device |
| CN107807039A (en) * | 2017-11-28 | 2018-03-16 | 湖南大学 | Lever long duration load tests loading frame |
| CN108507865A (en) * | 2018-04-16 | 2018-09-07 | 天津市港源试验仪器厂 | A kind of full-automatic concrete creep test instrument |
| CN108896406A (en) * | 2018-09-25 | 2018-11-27 | 贵州顺康路桥咨询有限公司 | A kind of concrete crushing strength and shrinkage and creep testing equipment |
| CN109443817A (en) * | 2018-12-12 | 2019-03-08 | 西南交通大学 | Loading unit and loading device |
| CN114527007A (en) * | 2022-04-24 | 2022-05-24 | 徐州三和鑫诚新型建材有限公司 | High-precision strength detection device for concrete formula test |
-
2012
- 2012-10-16 CN CN 201220527435 patent/CN202793940U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439250A (en) * | 2013-08-24 | 2013-12-11 | 西南交通大学 | Sustainable tracing energy storage type loading device |
| CN105241655A (en) * | 2015-10-29 | 2016-01-13 | 攀枝花学院 | Pressure stabilizing apparatus for structure test |
| CN105241655B (en) * | 2015-10-29 | 2018-02-06 | 攀枝花学院 | Stable-pressure device for structural test |
| CN105784491A (en) * | 2016-03-10 | 2016-07-20 | 清华大学 | Cement-based material compression creep testing device |
| CN105890969A (en) * | 2016-04-08 | 2016-08-24 | 湖南城市学院 | Testing mechanism for concrete creep under corrosion action, application and creep testing method |
| CN105890969B (en) * | 2016-04-08 | 2018-07-17 | 湖南城市学院 | Concrete creep mechanism for testing and application and test method of creeping under corrosiveness |
| CN107621253A (en) * | 2017-10-27 | 2018-01-23 | 天津建仪机械设备检测有限公司 | Concrete deformation detecting device |
| CN107807039A (en) * | 2017-11-28 | 2018-03-16 | 湖南大学 | Lever long duration load tests loading frame |
| CN108507865A (en) * | 2018-04-16 | 2018-09-07 | 天津市港源试验仪器厂 | A kind of full-automatic concrete creep test instrument |
| CN108896406A (en) * | 2018-09-25 | 2018-11-27 | 贵州顺康路桥咨询有限公司 | A kind of concrete crushing strength and shrinkage and creep testing equipment |
| CN109443817A (en) * | 2018-12-12 | 2019-03-08 | 西南交通大学 | Loading unit and loading device |
| CN114527007A (en) * | 2022-04-24 | 2022-05-24 | 徐州三和鑫诚新型建材有限公司 | High-precision strength detection device for concrete formula test |
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| 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: 20130313 Termination date: 20151016 |
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| EXPY | Termination of patent right or utility model |