CN105628514B - A kind of crane torsion test device and method of large and medium-sized building element - Google Patents
A kind of crane torsion test device and method of large and medium-sized building element Download PDFInfo
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- CN105628514B CN105628514B CN201510983131.0A CN201510983131A CN105628514B CN 105628514 B CN105628514 B CN 105628514B CN 201510983131 A CN201510983131 A CN 201510983131A CN 105628514 B CN105628514 B CN 105628514B
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- rotating beam
- boosting frame
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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
- G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
-
- 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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of torsion test device and method of large and medium-sized building element, including boosting frame（1）, boosting frame is rectangular frame；Rotating beam is equipped with boosting frame（2）, rotating beam both ends are through rigid rod（3）With boosting frame bottom girder（7）Connection；Rigid rod both ends are respectively equipped with universal joint（8）, rigid rod top is through universal joint and the rotation universal connection of beam end, and rigid rod bottom is through universal joint and the universal connection of boosting frame bottom girder；Limiting slot is respectively equipped among boosting frame bottom girder and rotating beam（10）；Boosting frame top beam（9）Centre is equipped with hydraulic device（4）, the telescopic rod of hydraulic device（5）With the rotation node among rotating beam（6）Connection.The present invention has broken away from the prior art and has fully relied on the theory that gross data carries out large and medium-sized building element design, and reliable experimental basis is provided for design.It can avoid blindly improving safety coefficient in the design and cause unnecessary waste, while ensure that maximum effective usable floor area of interior construction spacing.
Description
Technical field
The present invention relates to a kind of crane torsion test device and method of large and medium-sized building element, belongs to large and medium-sized building element examination
Test technical field.
Background technology
In building structure, component is usually acted on by a variety of Load Combinations（Tensile, compressive, bending, cut, turn round）, and the design of component
It is built upon on the basis of real example.At present, the testing equipment being adapted to for building structural element due to shortage, the torsion of component pressure,
Torsional fatigue etc. causes engineering design can only be to establish computational theory on preferable material foundation almost without the basis of experiment
For foundation, revest some it is assumed that obtaining plausible conclusion in theory.However, lack the theory analysis and reality of real example
Situation still has bigger difference, this species diversity often brings the unnecessary waste of structure, or is the reliability of structure
Reduce.
The content of the invention
It is an object of the present invention to provide a kind of crane torsion test device and method of large and medium-sized building element, reality can be passed through
The working characteristics and destructive characteristics in the case of pure torsion, pressure torsion and torsional fatigue that means obtain structural elements are tested, and is component
Design provide actual measurement reference data, so as to ensure the non-surdimensionnement of structure and ensure necessary reliability.
The technical proposal of the invention is realized in this way：
A kind of torsion test device of large and medium-sized building element of the present invention, including boosting frame, boosting frame are rectangular frame；
Rotating beam is equipped with the rectangular frame of boosting frame, rotating beam both ends are connected through rigid rod with boosting frame bottom girder；Rigid rod both ends point
Not She You universal joint, rigid rod top through universal joint with rotation the universal connection of beam end, rigid rod bottom through universal joint with reinforcing
The universal connection of frame bottom girder；Limiting slot is respectively equipped among boosting frame bottom girder and rotating beam；Hydraulic pressure is equipped among boosting frame top beam to fill
Put, the rotation node connection among the telescopic rod and rotating beam of hydraulic device.
The present invention it is a kind of use the torsion test method that above device carries out large and medium-sized building element for, this method be by
The rectangular head of component bottom to be tried is placed in the limiting slot of boosting frame bottom girder, is then again placed in the rectangular head on component top to be tried
In the limiting slot of rotating beam；Then rotating beam both ends are connected with the universal joint on rigid rod top, by the universal of rigid rod bottom
Section is connected with boosting frame bottom girder and allows two rigid rods rotating beam is formed an initial angle with boosting frame to different directions pre-tilt；
Start hydraulic device, the telescopic rod of hydraulic device slowly stretches out, and withstands on the rotation node of rotation top surface of the beam；When telescopic rod continues
During stretching, rotating beam vertical movement is promoted, at this time, due to the limitation of rigid rod, turning pair is formed on rotating beam, makes rotation
Beam rotates, and treating examination component by the position-limiting action of limiting slot forms moment of torsion.
In preceding method, the top of the component to be tried, which adds backing plate, makes it be in close contact with rotating beam top, makes to wait to try
Component applies axis pressure while applying moment of torsion, realizes the pressure torsional test of component to be tried.
In preceding method, the telescopic rod of the hydraulic device is connected with component to be tried, and component to be tried is applied the same of moment of torsion
When apply axial compressive force and axial tension, realize the torsional fatigue test of component to be tried.
By adopting the above-described technical solution, compared with prior art, the present invention large and medium-sized building structure provided by the invention
The torsion test device of part, has broken away from the prior art and has fully relied on the theory that gross data carries out large and medium-sized building element design,
Reliable experimental basis is provided for the design of large and medium-sized building element.Can avoid in the design blindly improve safety coefficient cause
The waste of unnecessary material, human and material resources, while ensure that maximum effective usable floor area of interior construction spacing.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the A-A schematic diagrames of Fig. 1；
Fig. 3 is the B-B schematic diagrames of Fig. 1.
Mark in figure for：1- boosting frames, 2- rotating beams, 3- rigid rods, 4- hydraulic devices, 5- telescopic rods, 6- swivels
Point, 7- boosting frames bottom girder, 8- universal joints, 9- boosting frames top beam, 10- limiting slots, 11- components to be tried.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples, but not as to any of the present invention
Limitation.
A kind of torsion test device of large and medium-sized building element of the present invention, as shown in Figures 1 to 3, including boosting frame 1, add
Power frame 1 is rectangular frame；Rotating beam 2 is equipped with the rectangular frame of boosting frame 1,2 both ends of rotating beam are through rigid rod 3 and boosting frame bottom
Beam 7 connects；3 both ends of rigid rod are respectively equipped with universal joint 8,3 top of rigid rod through universal joint 8 and the universal connection in 2 end of rotating beam,
3 bottom of rigid rod is through universal joint 8 and the 7 universal connection of boosting frame bottom girder；Limit is respectively equipped among boosting frame bottom girder 7 and rotating beam 2
Position groove 10；Hydraulic device 4, telescopic rod 5 and the rotation node among rotating beam 2 of hydraulic device 4 are equipped among boosting frame top beam 9
6 connections.
A kind of torsion test method that large and medium-sized building element is carried out using above device of the present invention, such as the institute of Fig. 1~3
Show, this method is that the rectangular head of 11 bottom of component to be tried is placed in the limiting slot 10 of boosting frame bottom girder 7, then again will structure be tried
The rectangular head on 11 top of part is placed in the limiting slot 10 of rotating beam 2；Then by the universal of 2 both ends of rotating beam and 3 top of rigid rod
The connection of section 8, the universal joint 8 of 3 bottom of rigid rod is connected with boosting frame bottom girder 7 and allows two rigid rods 3 to different directions pre-tilt
Rotating beam 2 is set to form an initial angle with boosting frame 1；Start hydraulic device 4, the telescopic rod 5 of hydraulic device 4 slowly stretches out, and pushes up
On the rotation node 6 of 2 top surface of rotating beam；When telescopic rod 5 continues to stretch out, rotating beam 2 is promoted to move vertically, at this time, due to
The limitation of rigid rod 3, turning pair is formed on rotating beam 2, rotates rotating beam 2, passes through the position-limiting action pair of limiting slot 10
Component 11 to be tried forms moment of torsion.The top of component 11 to be tried, which adds backing plate, makes it be in close contact with 2 top of rotating beam, makes structure to be tried
Part 11 applies axis pressure while applying moment of torsion, realizes the pressure torsional test of component 11 to be tried.The telescopic rod 11 of hydraulic device 4 is with treating
Examination component 11 connects, and component 11 to be tried is applied axial compressive force and axial tension while applying moment of torsion, realizes component to be tried
Torsional fatigue test.
Embodiment
This example utilizes self-balancing boosting frame, 1 lower end of boosting frame set a limiting slot 10, by 11 one end of component to be tried as
In limiting slot 10, the upper end of component 11 to be tried is placed on rotating beam 2 in the limiting slot 10 opened, and respectively has one at the both ends of rotating beam 2
Rigid rod 3 is connected by universal joint with boosting frame 1, drives telescopic rod 5 to move up and down when starting hydraulic device 4, telescopic rod 5 and rotation
Turn beam 2 and connected each other by rotating node 6, when telescopic rod 5 moves up and down, rigid rod 3 deflects, and produces horizontal component, this is horizontal
Component forms couple and puts on rotating beam 2, treats examination component 11 and forms moment of torsion.
When to treat the examination application axial force of component 11 at the same time, test specimen termination at node 6 will be rotated cushion block is set, will be flexible
The power that bar 5 applies is directly transferred on component 11 to be tried at the same time.
The moment of torsion of both forward and reverse directions will be produced when telescopic rod 5 is connected and moves up and down with rotation node 6, you can treat examination structure
Part 11 carries out fatigue test.
As pull and torsion test will can also be carried out when examination component 11 is fixed on boosting frame 1 and rotating beam 2.
To some supplementary notes of the present invention
The rigidity of boosting frame 1 and rotating beam 2 in the present invention should be greater than the rigidity of component 11 to be tried.
Universal joint 8 in the present invention is equipped with limiting device, it is ensured that forms turning moment after the pressurization of rotating beam 2, prevents
Producing unidirectional force makes two rigid rods 3 to single sided taper.
10 bottom of limiting slot in the present invention is equipped with support device, reduces the friction of 11 termination of component to be tried and slot bottom as far as possible
Resistance, to ensure the accuracy of experimental data.
The size and shape of the limiting slot 10 determines that generally rectangular cross-section groove is special according to the shape at 11 both ends of component to be tried
Different situation can also be T-slot or L-shaped groove.
Claims (4)
- A kind of 1. torsion test device of large and medium-sized building element, it is characterised in that：Including boosting frame（1）, boosting frame（1）For square Shape frame；Boosting frame（1）Rectangular frame in be equipped with rotating beam（2）, rotating beam（2）Both ends are through rigid rod（3）With boosting frame bottom Beam（7）Connection；Rigid rod（3）Both ends are respectively equipped with universal joint（8）, rigid rod（3）Top is through universal joint（8）With rotating beam（2） The universal connection in end, rigid rod（3）Bottom is through universal joint（8）With boosting frame bottom girder（7）Universal connection；Boosting frame bottom girder（7）With Rotating beam（2）Centre is respectively equipped with limiting slot（10）；Boosting frame top beam（9）Centre is equipped with hydraulic device（4）, hydraulic device（4） Telescopic rod（5）With rotating beam（2）Middle rotation node（6）Connection.
- A kind of 2. torsion test method that large and medium-sized building element is carried out using claim 1 described device, it is characterised in that：Should Method is that the rectangular head of component bottom to be tried is placed in the limiting slot of boosting frame bottom girder, then again by the square on component top to be tried Forming head is placed in the limiting slot of rotating beam；Then rotating beam both ends are connected with the universal joint on rigid rod top, by rigid rod bottom The universal joint at end is connected with boosting frame bottom girder and allows two rigid rods rotating beam is formed one with boosting frame to different directions pre-tilt Initial angle；Start hydraulic device, the telescopic rod of hydraulic device slowly stretches out, and withstands on the rotation node of rotation top surface of the beam；When When telescopic rod continues to stretch out, rotating beam vertical movement is promoted, at this time, due to the limitation of rigid rod, rotation is formed on rotating beam Couple, rotates rotating beam, and treating examination component by the position-limiting action of limiting slot forms moment of torsion.
- 3. the torsion test method of large and medium-sized building element according to claim 2, it is characterised in that：The component to be tried Top, which adds backing plate, makes it be in close contact with rotating beam top, makes to apply axis pressure while applying moment of torsion to component to be tried, real The now pressure torsional test of component to be tried.
- 4. the torsion test method of large and medium-sized building element according to claim 2, it is characterised in that：The hydraulic device Telescopic rod is connected with component to be tried, and makes to apply axial compressive force while applying moment of torsion to component to be tried and axial tension, realization are treated Try the torsional fatigue test of component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510983131.0A CN105628514B (en) | 2015-12-24 | 2015-12-24 | A kind of crane torsion test device and method of large and medium-sized building element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510983131.0A CN105628514B (en) | 2015-12-24 | 2015-12-24 | A kind of crane torsion test device and method of large and medium-sized building element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105628514A CN105628514A (en) | 2016-06-01 |
| CN105628514B true CN105628514B (en) | 2018-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510983131.0A Expired - Fee Related CN105628514B (en) | 2015-12-24 | 2015-12-24 | A kind of crane torsion test device and method of large and medium-sized building element |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553927A (en) * | 2019-10-09 | 2019-12-10 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Adjustable torsion load coordination loading system |
| CN110553919B (en) * | 2019-10-14 | 2024-06-04 | 石家庄铁道大学 | Geogrid drawing test device for simulating flexible top boundary |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3716215A1 (en) * | 1987-05-14 | 1988-12-01 | Fraunhofer Ges Forschung | Rotary bend (flexural) testing machine having a torsional loading device |
| CN103115828A (en) * | 2013-01-25 | 2013-05-22 | 苏州科技学院 | Component combined torsion experimental device and method |
| CN203606232U (en) * | 2013-12-09 | 2014-05-21 | 华东交通大学 | Pressing, bending and twisting composite stress member loading device |
| CN104132855A (en) * | 2014-07-29 | 2014-11-05 | 贵州大学 | Structural member torsion test method and device |
| CN104897479A (en) * | 2014-12-12 | 2015-09-09 | 国家电网公司 | Comprehensive detection system for mechanical properties of composite post insulator |
| CN205333428U (en) * | 2015-12-24 | 2016-06-22 | 贵州大学 | Big -and -middle -sized building element's torsion test device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4953126B2 (en) * | 2007-04-27 | 2012-06-13 | 国立大学法人金沢大学 | Torsion test equipment |
-
2015
- 2015-12-24 CN CN201510983131.0A patent/CN105628514B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3716215A1 (en) * | 1987-05-14 | 1988-12-01 | Fraunhofer Ges Forschung | Rotary bend (flexural) testing machine having a torsional loading device |
| CN103115828A (en) * | 2013-01-25 | 2013-05-22 | 苏州科技学院 | Component combined torsion experimental device and method |
| CN203606232U (en) * | 2013-12-09 | 2014-05-21 | 华东交通大学 | Pressing, bending and twisting composite stress member loading device |
| CN104132855A (en) * | 2014-07-29 | 2014-11-05 | 贵州大学 | Structural member torsion test method and device |
| CN104897479A (en) * | 2014-12-12 | 2015-09-09 | 国家电网公司 | Comprehensive detection system for mechanical properties of composite post insulator |
| CN205333428U (en) * | 2015-12-24 | 2016-06-22 | 贵州大学 | Big -and -middle -sized building element's torsion test device |
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| Publication number | Publication date |
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| CN105628514A (en) | 2016-06-01 |
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Granted publication date: 20180427 Termination date: 20211224 |