CN104142270A - Large reverse loading device - Google Patents
Large reverse loading device Download PDFInfo
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- CN104142270A CN104142270A CN201410376434.1A CN201410376434A CN104142270A CN 104142270 A CN104142270 A CN 104142270A CN 201410376434 A CN201410376434 A CN 201410376434A CN 104142270 A CN104142270 A CN 104142270A
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Abstract
The invention relates to a large reverse loading device which is characterized in that a test device and a safety device are included, and the test device comprises a lower cushion plate (1), a jack (2), a pressure sensor (3), a loading distributive girder (4), distributive girder supports (5), a test girder (6), test girder supports (7) and counter-force frames (8); the safety device comprises safety girder supporting piers (9), test girder safety supporting girders (10), wood safety cushion blocks (11) and distributive girder supporting piers (12). Safety of test staff is improved, and the girder falling prevention devices for the test girder (6) and the loading distributive girder (4) guarantee safety of the test device and the test staff.
Description
Technical field
Patent of the present invention relates to a kind of large-scale reverse charger.
Background technology
Utilize freely-supported steel-concrete composite beam research hogging moment effect lower stress performance study, adopt forward load mode, due to reinforced concrete wing plate down, observation inconvenience in process of the test, and adopt reverse load mode, reinforced concrete wing plate end face, can facilitate the stress performance of testing crew observation reinforced concrete wing plate upward.
Test unit comprises (as Fig. 1) such as lower bolster, lifting jack, pressure transducer, loading distribution beam, distribution beam bearing, test beam, test beam bearing, reaction frames from the bottom up, device general assembly (TW) (comprise test beam, load distribution beam, bearing etc.) is 3.5T, device height (setting a roof beam in place at the end from ground to counter-force) is 1.8m, test applies total load (TL) and reaches 120T, therefore, warranty test is safely the key of test success.Experimental safe comprises the safety of test unit, two aspects of the safety of testing crew.
Test unit be safely requirement warranty test device easy for installation, load safety etc., for preventing in process of the test that test unit produces unexpected side direction unstability, cause beam danger, be provided with the safe joist of test beam and distribution beam Safety sling rope device; Testing crew is safely that requirement guarantees the safety in test observation, and the safety that especially facilitates testing crew to observe on wing plate in process of the test is provided with safe cushion block for this reason between at the bottom of the safe joist of test beam and test beam.
Summary of the invention
The object of patent of the present invention is to provide a kind of large-scale reverse charger, it is characterized in that comprising test unit and safety feature:
Described test unit comprises lower bolster (1), lifting jack (2), pressure transducer (3), loads distribution beam (4), distribution beam bearing (5), test beam (6), test beam bearing (7), reaction frame (8);
Described safety feature comprises safe joist pier (9), the safe joist of test beam (10), wooden safe cushion block (11), distributes corbel pier (12);
Described loading distribution beam (4) bottom has and has successively pressure transducer (3) and lifting jack (2), this lifting jack (2) contacts with ground by lower bolster (1), the both upper ends thereof of described loading distribution beam (4) respectively has a distribution beam bearing (5) for supporting test beam (6), the both upper ends thereof of this support test beam (6) has a test beam bearing (7), and described test beam bearing (7) top all has a reaction frame (8);
The both sides, bottom of described support test beam (6) have a safe joist pier (9), between described safe joist pier (9) and support test beam (6), have successively the safe joist of test beam (10) and wooden safe cushion block (11) from bottom to top;
The both sides, bottom of described loading distribution beam (4) respectively have one and distribute corbel pier (12).
Described loading distribution beam (4) both sides have hook, connect distribution beam Safety sling rope (13) on this hook, and this distribution beam Safety sling rope (13) is connected with support test beam (6).
Beneficial effect:
(1) security of test beam improves, and is provided with the safe joist of test beam (10) and wooden safe cushion block (11), can prevent the beam danger that falls of test beam in process of the test;
(2) security of test unit improves, and with Safety sling rope (13), will load distribution beam (4), can prevent from loading in process of the test the beam danger that falls of distribution beam (4);
(3) security of testing crew improves, the setting of the anti-fall girder apparatus of test beam (6) and loading distribution beam (4), and service test personnel's safety is protected;
(4) convenience of test observation improves, and testing crew can be observed the process of carrying out in crack on test beam wing plate, measures the contents such as fracture width;
(5) the installation convenience of test unit improves, and the row crane that utilizes structural experiment chamber is installation test device easily;
(6) convenience loading improves, and by loading distribution beam (4), utilizes hydraulic pump and hydraulic jack (2) to test beam (6), to apply reverse two point symmetry loads easily;
Accompanying drawing explanation
Below in conjunction with drawings and the embodiments, the present invention is further detailed explanation:
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.
A large-scale reverse charger, is characterized in that comprising test unit and safety feature:
Described test unit comprises lower bolster (1), lifting jack (2), pressure transducer (3), loads distribution beam (4), distribution beam bearing (5), test beam (6), test beam bearing (7), reaction frame (8);
Described safety feature comprises safe joist pier (9), the safe joist of test beam (10), wooden safe cushion block (11), distributes corbel pier (12);
Described loading distribution beam (4) bottom has and has successively pressure transducer (3) and lifting jack (2), this lifting jack (2) contacts with ground by lower bolster (1), the both upper ends thereof of described loading distribution beam (4) respectively has a distribution beam bearing (5) for supporting test beam (6), the both upper ends thereof of this support test beam (6) has a test beam bearing (7), and described test beam bearing (7) top all has a reaction frame (8);
The both sides, bottom of described support test beam (6) have a safe joist pier (9), between described safe joist pier (9) and support test beam (6), have successively the safe joist of test beam (10) and wooden safe cushion block (11) from bottom to top;
The both sides, bottom of described loading distribution beam (4) respectively have one and distribute corbel pier (12).
2. a kind of large-scale reverse charger as claimed in claim 1, it is characterized in that described loading distribution beam (4) both sides have hook, on this hook, connect distribution beam Safety sling rope (13), this distribution beam Safety sling rope (13) is connected with support test beam (6).
Should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (2)
1. a large-scale reverse charger, is characterized in that comprising test unit and safety feature:
Described test unit comprises lower bolster (1), lifting jack (2), pressure transducer (3), loads distribution beam (4), distribution beam bearing (5), test beam (6), test beam bearing (7), reaction frame (8);
Described safety feature comprises safe joist pier (9), the safe joist of test beam (10), wooden safe cushion block (11), distributes corbel pier (12);
Described loading distribution beam (4) bottom has and has successively pressure transducer (3) and lifting jack (2), this lifting jack (2) contacts with ground by lower bolster (1), the both upper ends thereof of described loading distribution beam (4) respectively has a distribution beam bearing (5) for supporting test beam (6), the both upper ends thereof of this support test beam (6) has a test beam bearing (7), and described test beam bearing (7) top all has a reaction frame (8);
The both sides, bottom of described support test beam (6) have a safe joist pier (9), between described safe joist pier (9) and support test beam (6), have successively the safe joist of test beam (10) and wooden safe cushion block (11) from bottom to top;
The both sides, bottom of described loading distribution beam (4) respectively have one and distribute corbel pier (12).
2. a kind of large-scale reverse charger as claimed in claim 1, it is characterized in that described loading distribution beam (4) both sides have hook, on this hook, connect distribution beam Safety sling rope (13), this distribution beam Safety sling rope (13) is connected with support test beam (6).
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CN201410376434.1A CN104142270A (en) | 2014-07-31 | 2014-07-31 | Large reverse loading device |
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CN201410376434.1A CN104142270A (en) | 2014-07-31 | 2014-07-31 | Large reverse loading device |
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CN201410376434.1A Pending CN104142270A (en) | 2014-07-31 | 2014-07-31 | Large reverse loading device |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104535406A (en) * | 2014-12-16 | 2015-04-22 | 浙江大学 | Fatigue loading device of steel truss bridge welded joint under multi-axis loading effect |
CN105158064A (en) * | 2015-09-30 | 2015-12-16 | 三峡大学 | Counterforce loading frame for multifunctional self-balancing type continuous beam test |
CN105259043A (en) * | 2015-10-20 | 2016-01-20 | 武汉大学 | Self-balancing loading device for batch concrete-filled steel tubes |
CN106404385A (en) * | 2016-12-14 | 2017-02-15 | 福建工程学院 | Device and method for testing vertical stable bearing capacity of scaffold |
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 |
CN110470461A (en) * | 2019-08-22 | 2019-11-19 | 哈尔滨哈玻拓普复合材料有限公司 | Distribution beam loading system and installation method for metal frames radome test |
CN111076918A (en) * | 2020-01-09 | 2020-04-28 | 北京市轨道交通建设管理有限公司 | Device and method for testing bearing capacity of composite board structure |
CN111733899A (en) * | 2020-06-18 | 2020-10-02 | 湖北震泰建设工程质量检测有限责任公司 | Real-time safety monitoring method for pile top in static load test process of concrete cast-in-place pile |
CN117491129A (en) * | 2023-10-11 | 2024-02-02 | 中国矿业大学 | Load-bearing fire-resistant test device and test method for long-span suspension bridge steel truss girder |
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CN2145379Y (en) * | 1992-11-26 | 1993-11-03 | 沈昌鲁 | Experimental device for stake base static load |
CN2589965Y (en) * | 2002-12-24 | 2003-12-03 | 中国科学院武汉岩土力学研究所 | Reaction rack equipment for precast beam (board) static load test |
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CN202101902U (en) * | 2011-06-27 | 2012-01-04 | 长沙理工大学 | Anti-position loading device for structure test |
CN102620982A (en) * | 2012-03-28 | 2012-08-01 | 三峡大学 | Concrete beam reverse loading test device |
CN103061360A (en) * | 2012-12-05 | 2013-04-24 | 中国五冶集团有限公司 | Stress application system for large-tonnage static load tests |
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CN2145379Y (en) * | 1992-11-26 | 1993-11-03 | 沈昌鲁 | Experimental device for stake base static load |
CN2589965Y (en) * | 2002-12-24 | 2003-12-03 | 中国科学院武汉岩土力学研究所 | Reaction rack equipment for precast beam (board) static load test |
CN201698622U (en) * | 2009-12-14 | 2011-01-05 | 林奇 | External prestressing experiment device |
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Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104535406A (en) * | 2014-12-16 | 2015-04-22 | 浙江大学 | Fatigue loading device of steel truss bridge welded joint under multi-axis loading effect |
CN104535406B (en) * | 2014-12-16 | 2017-02-22 | 浙江大学 | Fatigue loading device of steel truss bridge welded joint under multi-axis loading effect |
CN105158064A (en) * | 2015-09-30 | 2015-12-16 | 三峡大学 | Counterforce loading frame for multifunctional self-balancing type continuous beam test |
CN105259043B (en) * | 2015-10-20 | 2017-08-25 | 武汉大学 | Batch concrete filled steel tube self-balanced loading device |
CN105259043A (en) * | 2015-10-20 | 2016-01-20 | 武汉大学 | Self-balancing loading device for batch concrete-filled steel tubes |
CN106404385A (en) * | 2016-12-14 | 2017-02-15 | 福建工程学院 | Device and method for testing vertical stable bearing capacity of scaffold |
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 |
CN110470461A (en) * | 2019-08-22 | 2019-11-19 | 哈尔滨哈玻拓普复合材料有限公司 | Distribution beam loading system and installation method for metal frames radome test |
CN110470461B (en) * | 2019-08-22 | 2021-02-26 | 哈尔滨哈玻拓普复合材料有限公司 | Distribution beam loading system for metal truss antenna housing test and installation method |
CN111076918A (en) * | 2020-01-09 | 2020-04-28 | 北京市轨道交通建设管理有限公司 | Device and method for testing bearing capacity of composite board structure |
CN111076918B (en) * | 2020-01-09 | 2022-07-05 | 北京市轨道交通建设管理有限公司 | Device and method for testing bearing capacity of composite board structure |
CN111733899A (en) * | 2020-06-18 | 2020-10-02 | 湖北震泰建设工程质量检测有限责任公司 | Real-time safety monitoring method for pile top in static load test process of concrete cast-in-place pile |
CN111733899B (en) * | 2020-06-18 | 2022-02-18 | 湖北震泰建设工程质量检测有限责任公司 | Real-time safety monitoring method for pile top in static load test process of concrete cast-in-place pile |
CN117491129A (en) * | 2023-10-11 | 2024-02-02 | 中国矿业大学 | Load-bearing fire-resistant test device and test method for long-span suspension bridge steel truss girder |
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Application publication date: 20141112 |