CN107525713A - A kind of multifunctional component seismic testing device - Google Patents
A kind of multifunctional component seismic testing device Download PDFInfo
- Publication number
- CN107525713A CN107525713A CN201710600287.5A CN201710600287A CN107525713A CN 107525713 A CN107525713 A CN 107525713A CN 201710600287 A CN201710600287 A CN 201710600287A CN 107525713 A CN107525713 A CN 107525713A
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- China
- Prior art keywords
- component
- testing device
- seismic testing
- axle
- box bed
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0026—Combination of several types of applied forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention discloses a kind of multifunctional component seismic testing device.Its main load mode has vertical and horizontal.It is by two pieces of flange brackets, a box bed, two groups of pull bars (every group is four isometric threaded pull bars), one piece of voltage-controlled making sheet of axle, two bowl hinges.Component is fixed with two bowl hinges, and bowl hinge is separately fixed on box bed and the voltage-controlled making sheet of axle by bolt, is applied thrust by the jack pair adjusting bolt being fixed between flange bracket, is reached the effect for applying axle power to component.Fixture is tightly fixed among component, fixture is connected with actuator by anchor pole, reaches the effect for applying lateral load to component.The advantage of the invention is that can vertical, horizontal dual-purpose, space hold is small, is readily disassembled, is easy to use, in use, the unfavorable factors such as excessive deformation or unstability can be overcome to make, and component is toppled over or axle power shifts；Multifunctional component seismic testing apparatus function is various, can not only meet vertical loading environment, can meet horizontal loading environment, and requires relatively low to experimental facilities, having wide range of applications in an experiment.
Description
Technical field
This practicality invention is related to one kind in the presence of lasting axle pressure, beam, the analogue experiment installation of post component curved scissors effect.
The mechanical property tests of beam, post are mainly used in, the concrete filled steel tubular member low week in the presence of axle pressure that is particularly suitable for use in is reciprocal
The experiment of load.Belong to field of civil engineering.
Background technology
As China's building trade develops rapidly and popularization and application of the concrete filled steel tube in Practical Project, steel
Pipe concrete structure has obtained being widely applied further as a kind of superior mechanical property combining structure in engineering.China
Positioned at the violent earthquake band of the world two --- it is the country that an earthquake takes place frequently between circum-Pacific seismic belt and Eurasian earthquake zone.Often
Year brings immeasurable loss because of life and property of the earthquake to China.Therefore, to the shock resistance of concrete filled steel tube
It can study and just seem extremely important.Traditional component seismic testing device has some limitations.First, traditional vertical structure
In part seismic testing, each test specimen is required for a cast-in-place cuboid bearing, the process for adding experiment；Second, traditional component
Seismic testing bearing function is single, and different bearings need to be used for the seismic testing of beam, post component, add experiment into
This.Third, the load that counter force wall coordinates loader offer level is needed in traditional vertical component seismic testing, and some realities
Corresponding experiment condition may not be possessed by testing room so that the development of experiment and carry out receiving restriction.
The content of the invention
The invention aims to solve function that traditional vertical experimental provision needs cast-in-place bearing to bring it is single and gram
Take the difficulty of laboratory equipment condition backwardness.Pass through the improvement to conventional components seismic testing bearing, there is provided a kind of structure letter
Single, easy to operate and vdiverse in function vertical, horizontal experimental provision.
The production program of the present invention：A kind of component seismic testing is vertical, crouch dual-purpose experimental provision.Including a box bed,
Two pieces of parallel flange brackets and two groups of pull bars, every group of four, pull bar.Used between flange bracket and between flange bracket and box bed
Four pull bars connect to form self-balancing frame system.Wherein a flange bracket is welded with vertical backing plate, at the backing plate and box-shaped bottom
Seat two sides perforate, whole device is made with vertical or horizontal fixation geosyncline indoors by ground anchor bolt.The voltage-controlled making sheet of axle is passed through
Four root long pull bars avoid the component in loading procedure from shifting.Bowl hinged-support passes through bolt and box bed and the voltage-controlled making sheet of axle
Connection；There is a raised barrel band side of ball pivot, and testing among test specimen cover plate has a corresponding groove to cause ball pivot and structure
Part is closely coupled.One smooth sleeve pipe and screw rod of weldering, screw rod the inner are welded with the fixing end of ball pivot among bearing flange bracket, and axle is voltage-controlled
Making sheet, which contacts side with screw rod, the big groove such as one and screw sections so that screw rod is in close contact with the voltage-controlled making sheet of axle, screw rod
On have nut, rotating nut can rotate ball pivot, play a part of pretension experimental member.Bearing flange and leftmost flange branch
Fixed jack among frame.Axle power is passed successively by jack, sleeve pipe and screw rod, the voltage-controlled making sheet of axle, box bed, flooring
Pass.Fixture is fixed on the middle part of test specimen, is connected by adjustable pinboard with MTS actuator.
The advantage of the invention is that：Device have it is vertical, horizontal dual-purpose it is multi-functional and simple in construction, take up an area it is small, be easy to
Installation is with dismantling, avoiding by test specimen mismachining tolerance so that the unfavorable factor that component shifts.The use of the device so that in phase
Component shock test under more easy experiment condition can be realized.
Brief description of the drawings
Fig. 1 is multifunctional component seismic testing schematic device；
Fig. 2 is the upper flange support schematic diagram that multifunctional component seismic testing device connects jack；
Fig. 3 a are the front view of multifunctional component seismic testing device L-shaped flange bracket；
Fig. 3 b are the side view of multifunctional component seismic testing device L-shaped flange bracket；
Fig. 3 c are the top view of multifunctional component seismic testing device L-shaped flange bracket；
Fig. 4 a are the 3 dimensional drawing of multifunctional component seismic testing device box bed；
Fig. 4 b are the front view of multifunctional component seismic testing device box bed；
Fig. 4 c are the side view of multifunctional component seismic testing device box bed；
Fig. 4 d are the top view of multifunctional component seismic testing device box bed；
Fig. 5 a are the voltage-controlled making sheet front view of multifunctional component seismic testing assembly axis；
Fig. 5 b are the voltage-controlled making sheet side view of multifunctional component seismic testing assembly axis；
Fig. 6 a are the front view of the hinged structure of multifunctional component seismic testing device bowl；
Fig. 6 b are the side view of the hinged structure of multifunctional component seismic testing device bowl.
In figure：1- flange brackets, 2-L shape flange brackets, 3- box bases, the voltage-controlled making sheet of 4- axles, 5- pull bars, 6- pull bars,
7- bowls are cut with scissors, 8- power transmission screw rods, 9- fixtures, 10- jack, 11-MTS actuator.
Embodiment
Technical scheme is further specifically described with reference to specification and its accompanying drawing：
Multifunctional component seismic testing device includes two pieces of flange brackets 1,2, a box bed 3, two groups of pull bars 5,6
(certain distance at pull bar both ends is provided with screw thread, can be tested by regulating flange support to the component of different length), one
The voltage-controlled making sheet 4 of block axle.Component 12 cuts with scissors 7 with two bowls and fixed, and bowl hinge 7 is separately fixed at box bed 3 by bolt and axle is voltage-controlled
In making sheet 4, thrust is applied to adjusting bolt 8 by being fixed on the jack 10 between flange bracket 1,2, reaches and component 12 is applied
Add the effect of axle power.Fixture 9 is tightly fixed among component 12, fixture 9 is connected with actuator 11 by anchor pole, is reached to structure
Part applies the effect of lateral load.
Fig. 2, Fig. 3, the flange bracket for fixed jack.Fig. 3 is respectively the front view, side view, vertical view of flange bracket
Figure.Fig. 4 is respectively 3 dimensional drawing, front view, side view, the top view of box stand.Fig. 2 flange bracket connects with reaction beam
Connect；Fig. 3 flange bracket is connected by two groups of pull bars with the box stand of Fig. 2 flange brackets and Fig. 4.Fig. 3 flange brackets are that L is short
Side is provided with U-shaped hole.Fig. 4 box stand supports at the center of box-shaped provided with cross, increases the rigidity of base.At the bottom of base
Plate is provided with two U-shaped holes, and side is provided with two circular ports.When experiment is vertical, bottom passes through Fig. 4 box beds bottom by screw rod
Two U-shaped holes of plate are connected with earth anchor to be fixed on ground, top by Fig. 3 L-shaped flange bracket short side U-shaped hole and reaction frame
It is connected, Fig. 2 flange bracket is connected with reaction beam.When experiment is horizontal, with the circular hole and Fig. 3 L-shaped of Fig. 4 box beds side
The U rows hole of flange bracket short side is connected by bolt with ground.
Fig. 5 is the schematic diagram of the voltage-controlled making sheet of axle.The load reached by adjusting bolt acts directly on Fig. 5 voltage-controlled system of axle
Plate, then it is transmitted to component.The pull bar of device is set to ensure structure through four holes of the surrounding of Fig. 5 voltage-controlled making sheet outmost turns of axle
Part bears the stabilization of shaft pressuring load, prevent loading when due to component big displacement or application axle power displacement member center and lose
Surely.
Fig. 6 a, Fig. 6 b are respectively front and the side schematic view of bowl hinged-support.Fig. 6 is divided into two parts, and a part is bowl
Hinged-support, another part are that bowl cuts with scissors movable part.It is spherical concave surface on seating plane, mutually agrees with the sphere of movable part protrusion.
The part that movable part connects with component is plane, and has the protruding pin of circle, and test specimen cover plate goes out to have the circular groove of identical, makes
Bowl hinge is closely connected with component, respectively in male and fomale(M＆F) brush lubricating oil in favor of its rotation when test specimen is installed, find it during experiment
Remain to keep good turning power under larger load.
Fixture is connected by two blocks of steel plates, four screw rods with MTS actuator, can make loading by adjusting four screw rods
Front jig is preferably connected with MTS actuator.
Experiment when, jack apply axle power pass through Fig. 3 flange bracket among screw rod be transmitted to component so that
Both sides bowl hinge is just coincide with test specimen, reaches the effect that pretension fixation is carried out to test specimen.The assembling fixture among component, with MTS
Actuator connects.
After test specimen installs, precompressed is carried out according to building hole ram-jolt proved recipe regulation journey, until being loaded onto predetermined axle pressure.
Then MTS is operated according to the load mechanism of regulation, Cyclic Loading is applied to component.
Finally, it should be noted that component of the present invention includes reinforced concrete member, concrete filled steel tubular member and steel
Component.Above example is only a typical example, and also many deformations, one of ordinary skill in the art can be from the present invention
Disclosure directly exports or associated all deformations, is considered protection scope of the present invention.
Beneficial effects of the present invention
(1) multifunctional component seismic testing device has space hold small, is readily disassembled, it is easy to use the advantages of.
(2) multifunctional component seismic testing device in use, excessive deformation or unstability etc. can be overcome unfavorable because
Element makes that component is toppled over or axle power shifts.
(3) multifunctional component seismic testing apparatus function is various, can not only meet vertical loading environment, can also have a full house
Horizontal loading environment, and relatively low is required to experimental facilities, experiment is had wide range of applications.
Claims (5)
1. a kind of multifunctional component seismic testing device, it is characterised in that including two pieces of flange brackets (1), (2), a box-shaped
Base (3), two groups of pull bars (5), (6), one piece of voltage-controlled making sheet of axle (4).Used between flange bracket and between flange bracket and box bed
Four pull bars connect to form self-balancing frame system；Described component (12) cuts with scissors (7) with two bowls and fixed, and bowl hinge (7) passes through spiral shell
Bolt is separately fixed on box bed (3) and the voltage-controlled making sheet of axle (4), very heavy between flange bracket (1), (2) by being fixed on
Push up (10) and thrust is applied to adjusting bolt (8), reach the effect for applying axle power to component (12)；Described fixture (9) is closely solid
It is scheduled among component (12), fixture (9) is connected with actuator (11) by anchor pole, reaches the effect for applying Cyclic Loading to component
Fruit.
2. a kind of multifunctional component seismic testing device, it is characterised in that the device can realize the experiment condition of horizontal and verticle two type.
When experiment is vertical, it is connected with the bottom surface of box bed with earth anchor, the flange bracket for connecting jack is connected with counter-force support,
Apply horizontal Cyclic Loading at the middle part of component.When experiment is horizontal, with the side of box bed and flange bracket and ground
Anchor is connected, and applies vertical Cyclic Loading at the middle part of component.
A kind of 3. multifunctional component seismic testing device according to claim 1, it is characterised in that the size of each part and
Material can determine according to size, the bearing capacity calculation condition of experimental member.
4. a kind of multifunctional component seismic testing device according to claim 2, it is characterised in that box bed can be consolidated
It is scheduled on reaction frame or box bed is substituted for after flange bracket and be fixed on reaction frame, the flange of jack side will be installed
Support is fixed on the installation that vertical support is realized on earth anchor.
5. a kind of multifunctional component seismic testing device according to claim 2, it is characterised in that by box bed
Bottom surface and side set anchor hole so that multifunctional component seismic testing device can complete vertical and horizontal experiment.According to
Corresponding experiment condition, can select the shape of different anchor holes makes box bed and flange bracket and the firm connection of earth anchor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710600287.5A CN107525713A (en) | 2017-07-13 | 2017-07-13 | A kind of multifunctional component seismic testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710600287.5A CN107525713A (en) | 2017-07-13 | 2017-07-13 | A kind of multifunctional component seismic testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107525713A true CN107525713A (en) | 2017-12-29 |
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ID=60749090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710600287.5A Pending CN107525713A (en) | 2017-07-13 | 2017-07-13 | A kind of multifunctional component seismic testing device |
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| Country | Link |
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| CN (1) | CN107525713A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793769A (en) * | 2019-12-16 | 2020-02-14 | 兰州理工大学 | Civil engineering frame construction's test device |
| CN111579266A (en) * | 2020-05-22 | 2020-08-25 | 西安建筑科技大学 | Static test device for researching collapse resistance of three-layer plane frame beam column structure |
| CN112630011A (en) * | 2021-01-08 | 2021-04-09 | 北京工业大学 | Test device capable of carrying out axial reciprocating loading |
-
2017
- 2017-07-13 CN CN201710600287.5A patent/CN107525713A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793769A (en) * | 2019-12-16 | 2020-02-14 | 兰州理工大学 | Civil engineering frame construction's test device |
| CN110793769B (en) * | 2019-12-16 | 2021-07-13 | 兰州理工大学 | Civil engineering frame construction's test device |
| CN111579266A (en) * | 2020-05-22 | 2020-08-25 | 西安建筑科技大学 | Static test device for researching collapse resistance of three-layer plane frame beam column structure |
| CN111579266B (en) * | 2020-05-22 | 2022-08-23 | 西安建筑科技大学 | Static test device for researching collapse resistance of three-layer plane frame beam column structure |
| CN112630011A (en) * | 2021-01-08 | 2021-04-09 | 北京工业大学 | Test device capable of carrying out axial reciprocating loading |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171229 |
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| WD01 | Invention patent application deemed withdrawn after publication |