CN106092545B - A kind of steel construction frame body static test loading device - Google Patents

A kind of steel construction frame body static test loading device Download PDF

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Publication number
CN106092545B
CN106092545B CN201610534810.4A CN201610534810A CN106092545B CN 106092545 B CN106092545 B CN 106092545B CN 201610534810 A CN201610534810 A CN 201610534810A CN 106092545 B CN106092545 B CN 106092545B
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China
Prior art keywords
loading
pull rod
reinforcing pull
steel construction
construction frame
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CN201610534810.4A
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Chinese (zh)
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CN106092545A (en
Inventor
孙正华
张彪
崇金玲
魏晓斌
蔡志军
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JIANGSU TESTING CENTER FOR QUALITY OF CONSTRUCTION ENGINEERING Co Ltd
Jiangsu Research Institute of Building Science Co Ltd
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JIANGSU TESTING CENTER FOR QUALITY OF CONSTRUCTION ENGINEERING Co Ltd
Jiangsu Research Institute of Building Science Co Ltd
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Priority to CN201610534810.4A priority Critical patent/CN106092545B/en
Publication of CN106092545A publication Critical patent/CN106092545A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts

Abstract

The invention discloses a kind of steel construction frame body static test loading devices, including the load cell being located at immediately below test steel construction frame body and the loading mechanism being mounted on test steel construction frame body, it is characterized by: loading mechanism includes loading beam, distribution beam, hydraulic jack, active reinforcing pull rod, limit reinforcing pull rod, counter-force pedestal, billet, steel bushing, fastening is bolted in loading beam and distribution beam at crossover node position, loading mechanism top is set to form an entirety, loading beam is connected with lower part counter-force pedestal respectively by the four active reinforcing pull rods and four limit reinforcing pull rods in the middle part of loading beam for being located at loading beam quadrangle, a hydraulic jack is respectively provided at the loading beam of each active reinforcing pull rod upper end, load cell is arranged in steel construction frame body quadrangle column lower part.The actual loaded power that vertical load loads and can accurately measure each column can be achieved, stress is reliable, device is simple and convenient to operate, loads the advantages that safe.

Description

A kind of steel construction frame body static test loading device
Technical field
The invention belongs to loading test loading technique fields, load more particularly, to a kind of steel construction frame body static test Device.
Background technique
Currently, needing to carry out many static loading tests, for steel frame in the experimental study of field of civil engineering Body is vertically loaded, and common loading method is the load for realizing steel construction frame body using hanging weight or stacking weight, But when added load is larger, it is easy that steel construction frame body is made unstability occur, is easy to happen danger, danger coefficient is higher, load stack The time is longer and heavy workload for product.
Summary of the invention
The present invention is directed to overcome the deficiencies of existing technologies, the present invention provides a kind of steel construction frame body static test load dress It sets, passes through synchronous hydra-ulic jacks, loading beam, distribution beam, active reinforcing pull rod, passive reinforcing pull rod, load cell and counter-force branch The loading device of seat composition carries out the load of vertical load, it can be achieved that vertical load loads and can accurately measure the reality of each column Border loading force has many advantages, such as that stress is reliable, device is simple and convenient to operate, it is safe to load.
In order to solve the above technical problem, the present invention provides following technical schemes:
A kind of steel construction frame body static test loading device, including being located at the force-measuring sensing immediately below test steel construction frame body Device 10 and the loading mechanism being mounted on test steel construction frame body, it is characterised in that: loading mechanism includes loading beam 2, distribution beam 3, synchronous hydra-ulic jacks 4, active reinforcing pull rod 5, limit reinforcing pull rod 6, counter-force pedestal 8, billet 9, steel bushing 7,2 He of loading beam Fastening is bolted in distribution beam 3 at crossover node position, and loading mechanism top is made to form an entirety, and loading beam 2 is logical Cross four limit reinforcing pull rods 6 positioned at four active reinforcing pull rods 5 of loading beam quadrangle and in the middle part of loading beam respectively with lower part 8 phase of counter-force pedestal is fixedly connected, and is respectively provided with a hydraulic jack 4, steel construction at the loading beam of each active reinforcing pull rod upper end Load cell 10 is arranged in four corner post lower part of frame body.
Further, four active reinforcing pull rods 5 are respectively provided with billet 9 on 2 top of loading beam and 8 lower part of counter-force pedestal, and It is connected by screw bolts between active reinforcing pull rod lower part and counter-force pedestal, hydraulic jack is located at the quadrangle of loading device.
Further, it is loaded positioned at four hydraulic jacks 4 of loading device using synchronous hydra-ulic jacks, makes four Active reinforcing pull rod synchronizes load and stress is in the same size.
Further, four limit reinforcing pull rods 6 are respectively provided with billet on loading beam top and counter-force seat lower part, and in loading beam It adopts and is bolted connection between counter-force pedestal lower part at top.
Further, active reinforcing pull rod 5 is equipped with the steel bushing 7 for adjusting reinforcing pull rod size, and limit reinforcing pull rod 6, which is equipped with, to be adjusted The steel bushing 7 of reinforcing pull rod size adjusts active reinforcing pull rod and limit facilitate in the variation of the actual size of steel construction frame body Position reinforcing pull rod size.
Compared with prior art, the present invention have it is following the utility model has the advantages that
(1) loading structure is simple, processing and fabricating with install that convenient for disassembly and assembly, input cost is low, the load time is short, load peace Entirely;(2) it since frame body bottom is equipped with counter-force pedestal, can be provided biggish perpendicular under the action of not by external anchor system To loading force, and it can accurately measure the actual loaded power of each column;(3) according to the actual size of steel construction frame body to be tested Height and position to be loaded difference, using steel bushing connection different length active reinforcing pull rod and limit reinforcing pull rod, with adjust The load of different location is realized in the position saved reinforcing pull rod size, while can move distribution beam, and other scantlings are not required to change Become, practicability, economy are strong, substantially increase the test efficiency of steel construction frame body.
Detailed description of the invention
Fig. 1 is the schematic diagram of steel construction frame body static test loading device of the present invention.
1 in figure, steel construction frame body, 2, loading beam, 3, distribution beam, 4, synchronous hydra-ulic jacks, 5, active reinforcing pull rod, 6, limit Position reinforcing pull rod, 7, steel bushing, 8, counter-force pedestal, 9, billet, 10, pressure sensor.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
As shown in Figure 1, a kind of steel construction frame body static test loading device, including be located at immediately below test steel construction frame body Load cell 10 and be mounted on test steel construction frame body on loading mechanism, loading mechanism include loading beam 2, distribution beam 3, Synchronous hydra-ulic jacks 4, active reinforcing pull rod 5, limit reinforcing pull rod 6, counter-force pedestal 8, billet 9, loading beam 2 and distribution beam 3 exist Fastening is bolted at crossover node position, loading mechanism top is made to form an entirety, it is safe to ensure to load, and Distribution beam is moved easily when position change to be loaded.The steel construction frame body is test component, can be rectangular or rectangle.
Need to be in loading beam and the position aperture of distribution beam crossover node, in aperture on loading beam in the loading device, it can be with It is required to carry out aperture according to the loading position of test.In the loading device need at 2 both ends of loading beam and three branch position apertures, and Position aperture is answered counter-force pedestal 8 is vertically opposite.Loading beam 2 by be located at loading beam quadrangle four active reinforcing pull rods 5 and position Four limit reinforcing pull rods 6 in the middle part of loading beam are fixedly connected with 8 phase of lower part counter-force pedestal respectively, on each active reinforcing pull rod It is respectively provided with a hydraulic jack 4 at the loading beam of end, hydraulic jack is located at the quadrangle of loading device.Positioned at the four of loading device A hydraulic jack 4 is loaded using synchronous hydra-ulic jacks, makes the synchronous load of four active reinforcing pull rods and stress size one It causes.
Active reinforcing pull rod 5 is equipped with the steel bushing 7 for adjusting reinforcing pull rod size, and limit reinforcing pull rod 6, which is equipped with, adjusts reinforcing pull rod The steel bushing 7 of size adjusts active reinforcing pull rod and limit steel drawing facilitate in the variation of the actual size of steel construction frame body Bar size.Active reinforcing pull rod can be different according to the height of the actual size of steel construction frame body with the length of limit reinforcing pull rod, accordingly Change the size of active reinforcing pull rod and passive reinforcing pull rod, to prevent single reinforcing pull rod too long, inconvenience transport, steel bushing can be used will Reinforcing pull rod carries out on-site consolidation, while can also prepare more reinforcing pull rods, to carry out the adjusting of reinforcing pull rod length.Four active steel Pull rod 5 is respectively provided with billet 9 on 2 top of loading beam and 8 lower part of counter-force pedestal, and active reinforcing pull rod lower part and counter-force pedestal it Between be connected by screw bolts.
Four limit reinforcing pull rods 6 are respectively provided with billet 9 on loading beam top and counter-force seat lower part, and at loading beam top It adopts and is bolted connection between counter-force pedestal lower part.
Since loading device carries out in load test to steel construction frame body, the actual loaded power of each column may be due to Erection of frames deviation or other factors generate discontinuity, can have an impact to test result, for the reality for understanding each column Border loading force.Load cell 10 is set in steel construction frame body quadrangle column lower part, can accurately measure every in test and stand The actual loaded power of column.
It the foregoing is merely embodiments of the present invention are illustrated, is not intended to restrict the invention, for the technology of this field For personnel, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on be should be included in Within protection scope of the present invention.

Claims (5)

1. a kind of steel construction frame body static test loading device, including being located at the load cell immediately below test steel construction frame body With the loading mechanism being mounted on test steel construction frame body, it is characterised in that: loading mechanism includes loading beam, distribution beam, hydraulic Jack, active reinforcing pull rod, limit reinforcing pull rod, counter-force pedestal, billet, steel bushing, loading beam and distribution beam are in crossover node Fastening is bolted at position, so that loading mechanism top is formed an entirety, loading beam is by being located at loading beam quadrangle Four active reinforcing pull rods and four limit reinforcing pull rods in the middle part of loading beam are mutually fixedly connected with lower part counter-force pedestal respectively, A hydraulic jack is respectively provided at the loading beam of each active reinforcing pull rod upper end, dynamometry is arranged in steel construction frame body quadrangle column lower part Sensor.
2. a kind of steel construction frame body static test loading device according to claim 1, which is characterized in that four active steel Pull rod is respectively provided with billet on loading beam top and counter-force seat lower part, and bolt is used between active reinforcing pull rod and counter-force pedestal Connection.
3. a kind of steel construction frame body static test loading device according to claim 1, which is characterized in that be located at load dress The hydraulic jack for setting quadrangle is loaded using synchronous hydra-ulic jacks, makes the synchronous load of four active reinforcing pull rods and stress is big It is small consistent.
4. a kind of steel construction frame body static test loading device according to claim 1, which is characterized in that four limit steel Pull rod is respectively provided with billet on loading beam top and counter-force seat lower part, and adopts between the counter-force pedestal of lower part at the loading beam of top Use bolt fastening.
5. a kind of steel construction frame body static test loading device according to claim 1, which is characterized in that active reinforcing pull rod It is equipped with the steel bushing for adjusting reinforcing pull rod size, limit reinforcing pull rod is equipped with the steel bushing for adjusting reinforcing pull rod size, in steel knot It carries out facilitating adjusting when the actual size variation of framework body.
CN201610534810.4A 2016-07-08 2016-07-08 A kind of steel construction frame body static test loading device Active CN106092545B (en)

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CN201610534810.4A CN106092545B (en) 2016-07-08 2016-07-08 A kind of steel construction frame body static test loading device

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Application Number Priority Date Filing Date Title
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CN106092545B true CN106092545B (en) 2019-07-02

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CN111238844B (en) * 2020-01-20 2020-10-02 哈尔滨工业大学 Rapid determination method for static load test loading vehicle of assembled simply supported beam bridge

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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
CN102401765A (en) * 2011-11-24 2012-04-04 清华大学 Lateral restraining device for load test of steel-structure compression member
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CN103174097A (en) * 2013-04-11 2013-06-26 新疆北新路桥集团股份有限公司 Supporting pre-stress back tension loading and pre-pressing method for upper steel structure of large-span bridge
CN104483260A (en) * 2014-12-15 2015-04-01 广西科技大学 Experimental structure for evaluating safety performance of reinforced steel structure
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CN102162774A (en) * 2010-12-28 2011-08-24 北京中铁房山桥梁有限公司 Steel-structure distribution-girder-type double-track whole opening box girder static load test device and construction method thereof
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CN102401765A (en) * 2011-11-24 2012-04-04 清华大学 Lateral restraining device for load test of steel-structure compression member
CN103174097A (en) * 2013-04-11 2013-06-26 新疆北新路桥集团股份有限公司 Supporting pre-stress back tension loading and pre-pressing method for upper steel structure of large-span bridge
CN104483260A (en) * 2014-12-15 2015-04-01 广西科技大学 Experimental structure for evaluating safety performance of reinforced steel structure
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