CN102620982A - Concrete beam reverse loading test device - Google Patents
Concrete beam reverse loading test device Download PDFInfo
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- CN102620982A CN102620982A CN201210086048XA CN201210086048A CN102620982A CN 102620982 A CN102620982 A CN 102620982A CN 201210086048X A CN201210086048X A CN 201210086048XA CN 201210086048 A CN201210086048 A CN 201210086048A CN 102620982 A CN102620982 A CN 102620982A
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Abstract
The invention discloses a concrete beam reverse loading test device, which includes a base, wherein sliding slots are arranged at the two ends of the base; support pull rods are installed in the sliding slots through nuts, and are connected with support frames; the two support frames are connected through a transverse pull rod; supporting rods are arranged on the base and positioned on the inner sides of the sliding slots; the supporting rods are movably connected with a distribution cross beam; and a lifting jack and a force sensor are arranged below the distribution cross beam. The concrete beam reverse loading test device provided by the invention facilitates observation of the crack trend and measurement of the crack width of a test piece through adopting the reverse loading manner, so that the testing data is obtained easily; and the structure that support rotating shafts are matched with retaining rings is adopted, so that the test piece is loaded easily; and the length can be adjusted conveniently to be matched with the length of the test piece through matching the sliding slots on the base and the transverse pull rods with the retaining ring structure.
Description
Technical field
The present invention relates to concrete load test stabilization field, particularly a kind of action of long-term load lower member can not unload and accomplish the reverse load testing machine of beams of concrete of breaking test.
Background technology
The long-term constant load of research is to the experiment of effect on structure at present; Basically be to carry out, when carrying out failure test, load destruction again after the unloading earlier, take place to destroy different at lasting load with actual components through the mode that weight loads; Because the weight loaded volume is big; Floor area is wide, loads the back and moves or adjust very inconvenience, causes conventional efficient low; And the result who obtains also can have a certain distance with actual result, is unfavorable for studying the universal law that member destroys under action of long-term load.
Chinese patent 201120125585.1 provides a kind of precast beam stress static load test device, and many counter-force anchor pole one ends are connected with basic body, and the other end is connected with the counter-force girder steel, and counter-force girder steel below is provided with load transfer device, and basic body top is provided with fulcrum arrangement.A kind of precast beam stress static load test device that the utility model provides through adopting said structure, is realized the static load test of precast beam stress with less equipment, adopts lifting jack to carry out stress and loads, thereby do not need counterweight and lifting facility.The problem that this device exists is to observe the tendency in crack at the bottom of the beam and the width inconvenience of measuring the crack, is unfavorable for the acquisition of experimental data.
Summary of the invention
Technical matters to be solved by this invention provides the reverse load testing machine of a kind of beams of concrete, can obtain test figure easily, and is convenient to the loading of test specimen.
For solving the problems of the technologies described above, the technical scheme that the present invention adopted is: the reverse load testing machine of a kind of beams of concrete, comprise base, and the base two ends are provided with chute, and the bearing pull bar is installed in the chute through nut;
The bearing pull bar is connected with support frame, connects through cross-tie between two support frames;
Be positioned at the chute inboard on the base and be provided with support bar, support bar flexibly connects with distributing crossbeam;
Distribute crossbeam to have lifting jack and force transducer.
Be connected through the bearing rotating shaft between the lower end of bearing pull bar and support frame.
Described bearing rotating shaft is through the shaft collar locking.
Cross-tie is connected with support frame through clasp.
The cross-tie two ends are connected with clasp through screw thread.
Distribute the crossbeam bottom to be provided with support slot, support bar is positioned at support slot versatilely.
The reverse load testing machine of a kind of beams of concrete provided by the invention; Through adopting the mode of reverse loading, be beneficial to the tendency in observation test specimen crack and the width in measurement crack, thereby be easy to obtain test figure; And adopted the bearing rotating shaft to cooperate the structure of clasp, be beneficial to loading specimen.Be arranged on the cooperation of chute, cross-tie and snap ring structure on the base, can adjust length easily, adapt with length with test specimen.
Device of the present invention; Can carry out long-term static(al) loading to the test specimen of beams of concrete and similar beam body member and continue simulation steel bar corrosion experimental study under the load action, the whole loading apparatus structure is simple, and floor area is little; Can move arbitrarily; And can reuse, Loading Control is convenient accurately, and detecting data can better closing to reality; Can satisfy the experimental provision of each school instruction test beam, also can be used for each scientific research institution and test receiving to bend with member in shear each item performance detection.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further:
Fig. 1 is a main TV structure synoptic diagram of the present invention.
Fig. 2 is a side-looking structural representation of the present invention.
Fig. 3 is the schematic top plan view of base among the present invention.
Among the figure: base 1, chute 2, fixed orifice 3, nut 4 is strengthened backing plate 5, bearing pull bar 6; Support frame 7, bearing rotating shaft 8, support bar 9, support slot 10, shaft collar 11; Cross-tie 12, clasp 13, force transducer 14, lifting jack 15 distributes crossbeam 16; Rolling bearing 17, fastening bolt 18, backing plate 19, test specimen 20, fixed bearing 21.
Embodiment
In Fig. 1, Fig. 3, the reverse load testing machine of a kind of beams of concrete comprises base 1, and base 1 two ends are provided with chute 2, and bearing pull bar 6 is installed in the chute 2 through nut 4; Base 1 side-looking becomes " Ω " shape, and the nut 4 of below is arranged in the position of " Ω " shape indent.The below of nut 4 up also is provided with strengthens backing plate 5, is used to guarantee that bearing pull bar 6 is stressed reliable.
In Fig. 1, be positioned at chute 2 inboards on the base 1 and be provided with support bar 9, support bar 9 is connected with fixed orifice 3 on the base 1 through screw thread, thus height that can adjustable support bar 9, to adapt to different test specimen 20.
Distribute crossbeam 16 to be provided with rolling bearing 17 and fixed bearing 21.Rolling bearing 17 is provided with backing plate 19 with fixed bearing 21, and test specimen 20 is installed on the backing plate 19, between support frame 7 and test specimen 20, also is provided with backing plate 19.
In Fig. 1, be connected through bearing rotating shaft 8 between the lower end of bearing pull bar 6 and support frame 7, wherein, bearing pull bar 6 is welded to connect with bearing rotating shaft 8, and the lower end of support frame 7 and bearing rotating shaft 8 are hinged.Described bearing rotating shaft 8 is through shaft collar 11 lockings.Structure thus, support frame 7 can be to two sideway swivels, thereby are convenient in loading specimen 20 to the bearing rotating shaft 8, load accomplish after again rotation make support frame 7 vertical with test specimen 20.
Cross-tie 12 is connected with support frame 7 through clasp 13.Cross-tie 12 two ends are connected with clasp 13 through screw thread.The structure of clasp 13 is seen shown in Fig. 1; Structure thus; The one, be convenient to separate with support frame 7, thereby be convenient to loading specimen from latch closure, the 2nd, can be through the entire length of threaded adjusting clasp 13 and cross-tie 12; While bearing pull bar 6 is fastened on chute 2 different positions through nut 4 and matches with the length of cross-tie 12, thereby adapts to the test specimen of different length.
During use, bearing pull bar 6 is installed in the chute 2, according to length adjustment to the suitable position of test specimen 20 through nut 4.
On base 1, place force transducer 14, above force transducer 14, place lifting jack 15.
The fixed orifice 3 of support bar 9 to base 1 is installed, through the height of threaded adjusting support bar 9, support slot 10 is placed on the support bar 9, the support slot 10 in this example adopts " U " shape support slot, will distribute crossbeam 16 to be placed on the support slot 10 again.
Below test specimen, place rolling bearing 17, fixed bearing 21 and backing plate 19, open lifting jack 15 and can begin the static(al) loading experiment according to requirement of experiment.
Device of the present invention is the acting force that provides through lifting jack 15; On the one hand through distributing the rolling bearing 17 and fixed bearing 21 on the crossbeam 16; Pass to test specimen 22 as loading force, test specimen 22 ends provide reversal interlocking relay through support frame 7, and the reversal interlocking relay of support frame 7 is passed to base 1 through bearing rotating shaft 8 and bearing pull bar 6; Utilize force transducer 14 to act directly on the base 1 on the other hand, thereby make the device of whole invention become an inner self-equilibrating state.
Claims (6)
1. the reverse load testing machine of beams of concrete comprises base (1), it is characterized in that: base (1) two ends are provided with chute (2), and bearing pull bar (6) is installed in the chute (2) through nut (4);
Bearing pull bar (6) is connected with support frame (7), connects through cross-tie (12) between two support frames (7);
Be positioned at chute (2) inboard on the base (1) and be provided with support bar (9), support bar (9) flexibly connects with distributing crossbeam (16);
Distribute crossbeam (16) to have lifting jack (15) and force transducer (14).
2. the reverse load testing machine of a kind of beams of concrete according to claim 1 is characterized in that: be connected through bearing rotating shaft (8) between the lower end of bearing pull bar (6) and support frame (7).
3. the reverse load testing machine of a kind of beams of concrete according to claim 2 is characterized in that: described bearing rotating shaft (8) is through shaft collar (11) locking.
4. the reverse load testing machine of a kind of beams of concrete according to claim 1 is characterized in that: cross-tie (12) is connected with support frame (7) through clasp (13).
5. the reverse load testing machine of a kind of beams of concrete according to claim 1 is characterized in that: cross-tie (12) two ends are connected with clasp (13) through screw thread.
6. the reverse load testing machine of a kind of beams of concrete according to claim 1 is characterized in that: distribute crossbeam (16) bottom to be provided with support slot (10), support bar (9) is positioned at support slot (10) versatilely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210086048XA CN102620982A (en) | 2012-03-28 | 2012-03-28 | Concrete beam reverse loading test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210086048XA CN102620982A (en) | 2012-03-28 | 2012-03-28 | Concrete beam reverse loading test device |
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| CN102620982A true CN102620982A (en) | 2012-08-01 |
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| CN201210086048XA Pending CN102620982A (en) | 2012-03-28 | 2012-03-28 | Concrete beam reverse loading test device |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818729A (en) * | 2012-09-07 | 2012-12-12 | 广州市建筑材料工业研究所有限公司 | Apparatus and method for detecting flexural bearing capacity of building wallboard |
| CN103175707A (en) * | 2013-03-25 | 2013-06-26 | 同济大学 | Testing apparatus suitable for substructure robustness of beam-column joints of planar frames |
| CN103207096A (en) * | 2013-03-21 | 2013-07-17 | 河海大学 | Vertical load loading device for shear wall |
| CN104142270A (en) * | 2014-07-31 | 2014-11-12 | 桂林理工大学 | Large reverse loading device |
| CN104198360A (en) * | 2014-08-28 | 2014-12-10 | 华东交通大学 | Simulation experiment device for coupling effect of acid rain, dampness heat and mechanical load |
| CN104237010A (en) * | 2014-08-14 | 2014-12-24 | 贵州长通电力线路器材有限公司 | Multifunctional concrete electric pole mechanical property detection platform |
| CN104330276A (en) * | 2014-11-11 | 2015-02-04 | 青岛建安建设集团有限公司 | Test method for measuring ultimate bearing capacity of ceiling support system |
| CN104458257A (en) * | 2014-11-26 | 2015-03-25 | 西北工业大学 | Bearing reaction simulating device for rotating shaft |
| CN104713691A (en) * | 2015-04-10 | 2015-06-17 | 河海大学 | Device for exerting axis-compression ratio and fixing test specimen for structural seismic performance test and testing method for device |
| CN105043884A (en) * | 2015-08-26 | 2015-11-11 | 宁波交通工程建设集团有限公司 | Testing device for carrying capacity of comprehensive pipe gallery and pipe joint and application method |
| CN105158064A (en) * | 2015-09-30 | 2015-12-16 | 三峡大学 | Counterforce loading frame for multifunctional self-balancing type continuous beam test |
| CN106769414A (en) * | 2017-01-04 | 2017-05-31 | 湖北工业大学 | Load and test specimen durability test device under environment coupled action |
| CN109507029A (en) * | 2018-11-29 | 2019-03-22 | 长江大学 | Apply the auxiliary device of large-tonnage traveling load |
| CN112213211A (en) * | 2020-10-26 | 2021-01-12 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Self-balancing structure for medium-high pressure explosive load generator |
| CN113916291A (en) * | 2021-10-09 | 2022-01-11 | 中国建材检验认证集团浙江有限公司 | Device and method for inspecting structure performance of autoclaved aerated concrete slab |
| CN114136678A (en) * | 2021-11-29 | 2022-03-04 | 中交二航局第二工程有限公司 | Hoisting equipment load test device and load test method |
| CN114136681A (en) * | 2021-11-29 | 2022-03-04 | 中交二航局第二工程有限公司 | Crane load test device and method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101105428A (en) * | 2007-07-10 | 2008-01-16 | 浙江大学 | Armoured concrete test teaching integrated loading device |
| CN101603902A (en) * | 2009-07-03 | 2009-12-16 | 同济大学 | Test-piece torsion test system |
| CN102235943A (en) * | 2010-05-06 | 2011-11-09 | 中国商用飞机有限责任公司 | Loading test device |
| CN202041399U (en) * | 2011-04-26 | 2011-11-16 | 中国葛洲坝集团股份有限公司 | Dead load testing device for stress of precast beam |
| CN202041361U (en) * | 2011-03-09 | 2011-11-16 | 武汉希萌工程咨询有限公司 | Static load test-bed of terrestrial anchor pile self-balanced bridge |
| CN202101902U (en) * | 2011-06-27 | 2012-01-04 | 长沙理工大学 | Anti-position loading device for structure test |
| CN202126375U (en) * | 2011-06-30 | 2012-01-25 | 天津钢管集团股份有限公司 | Full-size bending test device for marine line pipes |
| CN202485971U (en) * | 2012-03-28 | 2012-10-10 | 徐港 | Reverse loading tester for concrete beam |
-
2012
- 2012-03-28 CN CN201210086048XA patent/CN102620982A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101105428A (en) * | 2007-07-10 | 2008-01-16 | 浙江大学 | Armoured concrete test teaching integrated loading device |
| CN101603902A (en) * | 2009-07-03 | 2009-12-16 | 同济大学 | Test-piece torsion test system |
| CN102235943A (en) * | 2010-05-06 | 2011-11-09 | 中国商用飞机有限责任公司 | Loading test device |
| CN202041361U (en) * | 2011-03-09 | 2011-11-16 | 武汉希萌工程咨询有限公司 | Static load test-bed of terrestrial anchor pile self-balanced bridge |
| CN202041399U (en) * | 2011-04-26 | 2011-11-16 | 中国葛洲坝集团股份有限公司 | Dead load testing device for stress of precast beam |
| CN202101902U (en) * | 2011-06-27 | 2012-01-04 | 长沙理工大学 | Anti-position loading device for structure test |
| CN202126375U (en) * | 2011-06-30 | 2012-01-25 | 天津钢管集团股份有限公司 | Full-size bending test device for marine line pipes |
| CN202485971U (en) * | 2012-03-28 | 2012-10-10 | 徐港 | Reverse loading tester for concrete beam |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818729A (en) * | 2012-09-07 | 2012-12-12 | 广州市建筑材料工业研究所有限公司 | Apparatus and method for detecting flexural bearing capacity of building wallboard |
| CN103207096B (en) * | 2013-03-21 | 2015-06-03 | 河海大学 | Vertical load loading device for shear wall |
| CN103207096A (en) * | 2013-03-21 | 2013-07-17 | 河海大学 | Vertical load loading device for shear wall |
| CN103175707A (en) * | 2013-03-25 | 2013-06-26 | 同济大学 | Testing apparatus suitable for substructure robustness of beam-column joints of planar frames |
| CN104142270A (en) * | 2014-07-31 | 2014-11-12 | 桂林理工大学 | Large reverse loading device |
| CN104237010A (en) * | 2014-08-14 | 2014-12-24 | 贵州长通电力线路器材有限公司 | Multifunctional concrete electric pole mechanical property detection platform |
| CN104198360A (en) * | 2014-08-28 | 2014-12-10 | 华东交通大学 | Simulation experiment device for coupling effect of acid rain, dampness heat and mechanical load |
| CN104330276A (en) * | 2014-11-11 | 2015-02-04 | 青岛建安建设集团有限公司 | Test method for measuring ultimate bearing capacity of ceiling support system |
| CN104330276B (en) * | 2014-11-11 | 2015-07-29 | 青岛建安建设集团有限公司 | Measure ceiling support system Ultimate Strength Test method |
| CN104458257A (en) * | 2014-11-26 | 2015-03-25 | 西北工业大学 | Bearing reaction simulating device for rotating shaft |
| CN104458257B (en) * | 2014-11-26 | 2017-11-21 | 西北工业大学 | For the support reaction analogue means of rotating shaft |
| CN104713691A (en) * | 2015-04-10 | 2015-06-17 | 河海大学 | Device for exerting axis-compression ratio and fixing test specimen for structural seismic performance test and testing method for device |
| CN104713691B (en) * | 2015-04-10 | 2017-05-10 | 河海大学 | Device for exerting axis-compression ratio and fixing test specimen for structural seismic performance test and testing method for device |
| CN105043884A (en) * | 2015-08-26 | 2015-11-11 | 宁波交通工程建设集团有限公司 | Testing device for carrying capacity of comprehensive pipe gallery and pipe joint and application method |
| CN105043884B (en) * | 2015-08-26 | 2017-11-10 | 宁波交通工程建设集团有限公司 | Pipe gallery tube coupling load carrying capacity test device and application method |
| CN105158064A (en) * | 2015-09-30 | 2015-12-16 | 三峡大学 | Counterforce loading frame for multifunctional self-balancing type continuous beam test |
| CN106769414A (en) * | 2017-01-04 | 2017-05-31 | 湖北工业大学 | Load and test specimen durability test device under environment coupled action |
| CN109507029A (en) * | 2018-11-29 | 2019-03-22 | 长江大学 | Apply the auxiliary device of large-tonnage traveling load |
| CN112213211A (en) * | 2020-10-26 | 2021-01-12 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Self-balancing structure for medium-high pressure explosive load generator |
| CN112213211B (en) * | 2020-10-26 | 2024-02-13 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Self-balancing structure for medium-high pressure explosion load generator |
| CN113916291A (en) * | 2021-10-09 | 2022-01-11 | 中国建材检验认证集团浙江有限公司 | Device and method for inspecting structure performance of autoclaved aerated concrete slab |
| CN113916291B (en) * | 2021-10-09 | 2024-02-13 | 中国国检测试控股集团浙江有限公司 | Autoclaved aerated concrete slab structural performance inspection device and method |
| CN114136678A (en) * | 2021-11-29 | 2022-03-04 | 中交二航局第二工程有限公司 | Hoisting equipment load test device and load test method |
| CN114136681A (en) * | 2021-11-29 | 2022-03-04 | 中交二航局第二工程有限公司 | Crane load test device and method |
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Application publication date: 20120801 |