CN105738205A - Test device for crane girder - Google Patents
Test device for crane girder Download PDFInfo
- Publication number
- CN105738205A CN105738205A CN201610185351.3A CN201610185351A CN105738205A CN 105738205 A CN105738205 A CN 105738205A CN 201610185351 A CN201610185351 A CN 201610185351A CN 105738205 A CN105738205 A CN 105738205A
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- sample
- crane girder
- test
- assay device
- 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive 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
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- 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
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- 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 provides a test device for a crane girder. The test device comprises a test base and a sample bearing base, wherein the sample bearing base is fixedly arranged on the test base; a gravity loading mechanism located above the sample bearing base is arranged on the test base; a gravity detection sensor and a displacement detection sensor are arranged at a gravity conveying end of the gravity loading mechanism. The test device for the crane girder utilizes the gravity loading mechanism to perform bending test on the crane girder, utilizes the gravity detection sensor and the displacement detection sensor to record the test data and acquires the bending parameter of the crane girder through test data analysis. The test device for the crane girder has the advantages of scientific design, high practicability, simplicity in operation and excellent test preparation and test effect.
Description
Technical field
The present invention relates to a kind of crane girder bend test equipment, specifically, relate to a kind of crane girder assay device.
Background technology
Crane girder is as the important component part of crane, and the quality of its quality directly affects service life and the quality of production of crane.Crane girder bend test produce as girder in an important tests, the accuracy of its result of the test and comprehensive most important.How crane girder is carried out comprehensive and accurate bend test, with this load-bearing limit obtaining crane girder, be people's problem demanding prompt solutions.
In order to solve above Problems existing, people are seeking a kind of desirably technical solution always.
Summary of the invention
It is an object of the invention to for the deficiencies in the prior art, thus providing the crane girder assay device that a kind of design science, practical, simple to operate, test preparation and test effect are good.
To achieve these goals, the technical solution adopted in the present invention is: a kind of crane girder assay device, it includes test base and the sample bearing base being fixed on described test base, being provided with the gravitational load mechanism being positioned at above described sample bearing base on described test base, the gravity transfer end of described gravitational load mechanism is provided with weight force detection sensor and displacement detecting sensor.
Based on above-mentioned, described gravitational load mechanism includes the loading frame being fixed on described test base and the oil pressure cylinder being vertically fixed on described loading frame, internal its telescopic shaft corresponding of described oil pressure cylinder is provided with described displacement detecting sensor, is provided with described heavy force detection sensor outside the telescopic shaft of described oil pressure cylinder.
Based on above-mentioned, described test base being provided with multiple sample protective frame, described in each two, sample protective frame symmetrically relation is arranged on described test base.
Based on above-mentioned, described loading frame being provided with slideway, be provided with location transverse slat frame in described slideway, transverse slat frame both sides, described location and described slideway are by bolt degree of tightness, and the end of described oil pressure cylinder is fixed on the transverse slat frame of described location.
Based on above-mentioned, the end of the telescopic shaft of described oil pressure cylinder is provided with sample fixed mount.
Based on above-mentioned, described test base is provided with sample travelling car.
Based on above-mentioned, described sample fixed mount includes crossbeam and is vertically fixed on the vertical beam of described crossbeam both sides respectively, is provided with clamp bottom described vertical beam, and described vertical beam is positioned at bottom described clamp and is provided with protection pin.
Based on above-mentioned, described sample travelling car includes the vehicle frame being provided with road wheel and the lifting hydraulic cylinder being arranged on described vehicle frame, and the expansion link of described lifting hydraulic cylinder is fixed with bearing plate.
Based on above-mentioned, between described bearing plate and described vehicle frame, it is provided with load-bearing expansion link.
Hinge structure of the present invention has prominent substantive distinguishing features and significant progressive, specifically, the present invention utilizes described gravitational load mechanism to apply gravity to the sample girder being placed on described sample bearing base, the bend test of sample girder is completed with this, and the statistics of data is carried out by described heavy force detection sensor and described displacement detecting sensor, it is analyzed drawing, with this, the holding capacity data that girder is tested according to the data of statistics；Described sample protective frame is set furtherly, it is prevented that sample girder described in process of the test produces displacement because of stress, it is to avoid test is unexpected；Described sample fixed mount is set furtherly, increases the suitability of whole device；Increase described sample travelling car furtherly, it is simple to moving freely of sample girder, it is ensured that result of the test comprehensive；The advantage that it has design science, practical, simple to operate, test prepares and test effect is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
In figure: 1. test base；2. sample bearing base；3. loading frame；4. oil pressure cylinder；5. sample protective frame；6. sample travelling car；7. sample fixed mount；8. sample girder.
Detailed description of the invention
Below by detailed description of the invention, technical scheme is described in further detail.
Embodiment 1
As shown in Figure 1, a kind of crane girder assay device, it includes test base 1 and the sample bearing base 2 being fixed on described test base 1, and described test base 1 and described sample bearing base 2 adopt high-strength material to make, to meet all kinds of test demand, it is preferable that reinforced concrete structure；Described test base 1 is provided with the gravitational load mechanism being positioned at above described sample bearing base 2, provides gravity to sample girder 8 during the test of described gravitational load mechanism, extrude described sample girder 8 and obtain test power source with this；The gravity transfer end of described gravitational load mechanism is provided with weight force detection sensor and displacement detecting sensor, obtains Test Information accurately by the sensor, detects the gravity of displacement that described gravitational load mechanism occurs and output.It is analyzed according to result of the test, is carried out the drafting of the analysis of test data, trial curve by computer program, complete the bend test of sample girder 8 with this.
During test: described sample girder 8 is placed on described sample bearing base 2, it is ensured that the stability of whole device, then pass through described gravitational load mechanism output power and test, and record data.Described in whole process of the test, gravitational load mechanism can adopt computer controlled automatic, and the described computer described heavy force detection sensor of connection and described displacement detecting sensor obtain test data in time simultaneously.
Embodiment 2
The present embodiment is based on embodiment 1, and give way of example more specifically, its difference essentially consists in: described gravitational load mechanism includes the loading frame 3 being fixed on described test base 1 and the oil pressure cylinder 4 being vertically fixed on described loading frame 3, internal its telescopic shaft corresponding of described oil pressure cylinder 4 is provided with described displacement detecting sensor, is provided with described heavy force detection sensor outside the telescopic shaft of described oil pressure cylinder 4.
The present embodiment adopt oil pressure cylinder as power delivery source, computer is not only facilitated to control the output power of whole gravitational load mechanism, simultaneously by described displacement detecting sensor, detecting the displacement of the internal telescopic shaft of described oil pressure cylinder 4, pressure test data acquisition is convenient and prepares；Utilize computer directly to gather the test data of described heavy force detection sensor, it is ensured that the accuracy of test data simultaneously.
In order to prevent test unexpected, described test base 1 is provided with multiple sample protective frame 5, sample protective frame 5 symmetrically relation described in each two is arranged on described test base 1, during test, described sample protective frame 5 is positioned at the both sides of described sample girder 8, with this, described sample girder 8 is protected, even if described sample girder 8 produces to rotate because of stress, produce injury without to testing crew.
Embodiment 3
The present embodiment differs primarily in that with embodiment 2: be provided with slideway on described loading frame 3, location transverse slat frame is installed in described slideway, transverse slat frame both sides, described location and described slideway are by bolt degree of tightness, and the end of described oil pressure cylinder 4 is fixed on the transverse slat frame of described location.Adjust the height of described location transverse slat frame as required, ensure the test demand of all kinds of sample girder 8 with this.
Embodiment 4
The present embodiment differs primarily in that with embodiment 3: the end of the telescopic shaft of described oil pressure cylinder 4 is provided with sample fixed mount 7, this sample fixed mount 7 is for applying gravity to specific sample girder 8, such as: I-beam, described sample fixed mount 7 is adopted can the weight bearing area of I-beam comprehensively to be tested.
In the present embodiment, described sample fixed mount 7 includes crossbeam and is vertically fixed on the vertical beam of described crossbeam both sides respectively, is provided with clamp bottom described vertical beam, and described vertical beam is positioned at bottom described clamp and is provided with protection pin；Utilizing the fixing described sample girder 8 in described clamp location, described protection pin prevents the displacement of described sample girder 8 from protecting.It should be noted that the setting that can carry out described sample fixed mount in other embodiments as required, to meet the demand of all kinds of sample girder.
Embodiment 5
The present embodiment differs primarily in that with embodiment 3: described test base 1 is provided with sample travelling car 6, utilizes described sample travelling car 6, and described sample girder 8 is moved, and ensures that described sample girder 8 is tested with this comprehensive.Select the diverse location on described sample girder 8 as testing site as required, control described sample travelling car 6 simultaneously when moving and carry out automatization and move.
In the present embodiment, described sample travelling car 6 includes the vehicle frame being provided with road wheel and the lifting hydraulic cylinder being arranged on described vehicle frame, and the expansion link of described lifting hydraulic cylinder is fixed with bearing plate；In order to increase the bearing capacity of vehicle frame, between described bearing plate and described vehicle frame, it is provided with load-bearing expansion link.
Finally should be noted that: above example is only in order to illustrate that technical scheme is not intended to limit；Although the present invention being described in detail with reference to preferred embodiment, those of ordinary skill in the field are it is understood that still can modify to the specific embodiment of the present invention or portion of techniques feature carries out equivalent replacement；Without deviating from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention is claimed.
Claims (9)
1. a crane girder assay device, it is characterized in that: it includes test base and the sample bearing base being fixed on described test base, being provided with the gravitational load mechanism being positioned at above described sample bearing base on described test base, the gravity transfer end of described gravitational load mechanism is provided with weight force detection sensor and displacement detecting sensor.
2. crane girder assay device according to claim 1, it is characterized in that: described gravitational load mechanism includes the loading frame being fixed on described test base and the oil pressure cylinder being vertically fixed on described loading frame, internal its telescopic shaft corresponding of described oil pressure cylinder is provided with described displacement detecting sensor, is provided with described heavy force detection sensor outside the telescopic shaft of described oil pressure cylinder.
3. crane girder assay device according to claim 1 and 2, it is characterised in that: being provided with multiple sample protective frame on described test base, described in each two, sample protective frame symmetrically relation is arranged on described test base.
4. crane girder assay device according to claim 2, it is characterized in that: described loading frame is provided with slideway, location transverse slat frame is installed in described slideway, transverse slat frame both sides, described location and described slideway are by bolt degree of tightness, and the end of described oil pressure cylinder is fixed on the transverse slat frame of described location.
5. crane girder assay device according to claim 4, it is characterised in that: the end of the telescopic shaft of described oil pressure cylinder is provided with sample fixed mount.
6. crane girder assay device according to claim 3, it is characterised in that: described test base is provided with sample travelling car.
7. crane girder assay device according to claim 5, it is characterized in that: described sample fixed mount includes crossbeam and is vertically fixed on the vertical beam of described crossbeam both sides respectively, being provided with clamp bottom described vertical beam, described vertical beam is positioned at bottom described clamp and is provided with protection pin.
8. crane girder assay device according to claim 6, it is characterised in that: described sample travelling car includes the vehicle frame being provided with road wheel and the lifting hydraulic cylinder being arranged on described vehicle frame, and the expansion link of described lifting hydraulic cylinder is fixed with bearing plate.
9. crane girder assay device according to claim 8, it is characterised in that: it is provided with load-bearing expansion link between described bearing plate and described vehicle frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610185351.3A CN105738205A (en) | 2016-03-29 | 2016-03-29 | Test device for crane girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610185351.3A CN105738205A (en) | 2016-03-29 | 2016-03-29 | Test device for crane girder |
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| Publication Number | Publication Date |
|---|---|
| CN105738205A true CN105738205A (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610185351.3A Pending CN105738205A (en) | 2016-03-29 | 2016-03-29 | Test device for crane girder |
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| CN (1) | CN105738205A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187214A (en) * | 2018-09-27 | 2019-01-11 | 贵州大学 | A kind of girder steel bearing capacity strength-testing machine built for room |
| CN111397823A (en) * | 2020-04-28 | 2020-07-10 | 广东众智检验检测有限公司 | Crane static stiffness measuring device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003307477A (en) * | 2002-04-17 | 2003-10-31 | Hitachi Maxell Ltd | Method for three-point bending test for sheet-type test piece and apparatus used for the same |
| CN103674729A (en) * | 2013-12-08 | 2014-03-26 | 上海华龙测试仪器股份有限公司 | Program-controlled continuous bending tester |
| CN105300810A (en) * | 2015-11-27 | 2016-02-03 | 武汉钢铁(集团)公司 | Three-point bending test device with laser centering device |
| CN205562286U (en) * | 2016-03-29 | 2016-09-07 | 河南省特种设备安全检测研究院 | Hoist girder test device |
-
2016
- 2016-03-29 CN CN201610185351.3A patent/CN105738205A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003307477A (en) * | 2002-04-17 | 2003-10-31 | Hitachi Maxell Ltd | Method for three-point bending test for sheet-type test piece and apparatus used for the same |
| CN103674729A (en) * | 2013-12-08 | 2014-03-26 | 上海华龙测试仪器股份有限公司 | Program-controlled continuous bending tester |
| CN105300810A (en) * | 2015-11-27 | 2016-02-03 | 武汉钢铁(集团)公司 | Three-point bending test device with laser centering device |
| CN205562286U (en) * | 2016-03-29 | 2016-09-07 | 河南省特种设备安全检测研究院 | Hoist girder test device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187214A (en) * | 2018-09-27 | 2019-01-11 | 贵州大学 | A kind of girder steel bearing capacity strength-testing machine built for room |
| CN109187214B (en) * | 2018-09-27 | 2021-01-26 | 贵州大学 | A girder steel bearing capacity strength test machine for room is built |
| CN111397823A (en) * | 2020-04-28 | 2020-07-10 | 广东众智检验检测有限公司 | Crane static stiffness measuring device and method |
| CN111397823B (en) * | 2020-04-28 | 2022-04-01 | 广东众智检验检测有限公司 | Crane static stiffness measuring device and method |
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| CB03 | Change of inventor or designer information |
Inventor after: Liu Aiguo Inventor after: Zhao Jiufeng Inventor after: Wang Yang Inventor after: Zhang Zhi Inventor after: Liu Peng Inventor after: Li Changjie Inventor after: Cai Peng Inventor after: Niu Yanna Inventor after: Li Zixiang Inventor after: Liu Zhicheng Inventor before: Liu Aiguo Inventor before: Wang Yang Inventor before: Zhang Zhi Inventor before: Liu Peng Inventor before: Li Changjie Inventor before: Cai Peng Inventor before: Niu Yanna Inventor before: Li Zixiang Inventor before: Liu Zhicheng |
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Application publication date: 20160706 |
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| RJ01 | Rejection of invention patent application after publication |