CN104142270A - Large reverse loading device - Google Patents

Large reverse loading device Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
test
safe
safety
girder
joist
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410376434.1A
Other languages
Chinese (zh)
Inventor
郑艳
莫时旭
周迎春
周晓冰
席季柳
张堃
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guilin University of Technology
Original Assignee
Guilin University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guilin University of Technology filed Critical Guilin University of Technology
Priority to CN201410376434.1A priority Critical patent/CN104142270A/en
Publication of CN104142270A publication Critical patent/CN104142270A/en
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

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

A kind of large-scale reverse charger
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).
CN201410376434.1A 2014-07-31 2014-07-31 Large reverse loading device Pending CN104142270A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410376434.1A CN104142270A (en) 2014-07-31 2014-07-31 Large reverse loading device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410376434.1A CN104142270A (en) 2014-07-31 2014-07-31 Large reverse loading device

Publications (1)

Publication Number Publication Date
CN104142270A true CN104142270A (en) 2014-11-12

Family

ID=51851506

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410376434.1A Pending CN104142270A (en) 2014-07-31 2014-07-31 Large reverse loading device

Country Status (1)

Country Link
CN (1) CN104142270A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
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

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN202008451U (en) * 2011-03-29 2011-10-12 黑龙江八一农垦大学 Counterforce device for precast beam test
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN202008451U (en) * 2011-03-29 2011-10-12 黑龙江八一农垦大学 Counterforce device for precast beam test
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

Cited By (13)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN104142270A (en) Large reverse loading device
CN204370830U (en) A kind of electric pole centralizer
CN205527400U (en) Lifting mechanism
CN206095814U (en) Monospar static test loading system
CN103967263B (en) Hydraulic automatic jumping discharging platform
CN104480863A (en) Method for mounting and positioning steel anchor beams for constructing cable-stayed bridge main tower
CN108862081A (en) A kind of chain block crane boom and the application in the adjusting of beam steel protective layer thickness
CN202519975U (en) Reciprocating slip form platform
CN205604080U (en) Building construction platform
CN102155091B (en) Creeping formwork platform
CN207862996U (en) A kind of truss beam type dead load safe test bed
CN204325931U (en) Bridge High-pier platform top end holder hierarchical loading device
CN103523665A (en) Transport device and method for gantry crane
CN203821879U (en) Underpinning frame used for safely detaching load bearing wall
CN202519621U (en) Steel hoop used for suspending support system
CN206828969U (en) A kind of high pier stud bearing platform counter-force prepressing device
CN203201149U (en) Electric lifting discharging platform
CN101664963B (en) Multifunctional operating platform for large-volume prestressed concrete box girder tensioning
CN205134921U (en) Building outer wall concrete constructional column hangs construction platform
CN204917745U (en) Portable portal crane
CN212532083U (en) Truss type combined arch bridge small component dismantling stabilizing device
CN103754791A (en) Method for lifting water-tower 1000m<3> water tank by utilizing prestressed strands
CN211947982U (en) Lower part tensioning equipment for counter-force prepressing of continuous beam bracket
CN203821812U (en) Cantilever frame body for beam plate aerial structure
CN102583163A (en) Steel wire rope symmetrically disassembling process flow for tower crane attachment device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20141112