CN103674734A - Floor strength grade detection device and floor strength grade detection method - Google Patents
Floor strength grade detection device and floor strength grade detection method Download PDFInfo
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- CN103674734A CN103674734A CN201210341350.5A CN201210341350A CN103674734A CN 103674734 A CN103674734 A CN 103674734A CN 201210341350 A CN201210341350 A CN 201210341350A CN 103674734 A CN103674734 A CN 103674734A
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Abstract
The invention discloses a floor strength grade detection device and a floor strength grade detection method. The detection device comprises a first supporting beam, a second supporting beam and a third supporting beam which are parallel to one another at intervals and are sequentially and horizontally arranged, and at least one loading piece which can transmit downward loading force, wherein the distance between the first supporting beam and the second supporting beam is not more than 390mm; the distance between the second supporting beam and the third supporting beam is 500-2200mm; the loading pieces are arranged on a supporting plane formed by the tops of the supporting beams. The detection method comprises the following steps: horizontally lying the floors on the tops of the supporting beams, applying loading force to several loading areas positioned in the middle of the first supporting beam and the second supporting beam and in the middle of the second supporting beam and the third supporting beam, and judging the floor strength grade according to the floor reaction during force application. The floor strength grade detection device is simple in structure and convenient to operate, so the device is economic and practical. Moreover, the detection method adopts a nondestructive testing mode and is short in time consumption.
Description
Technical field
The present invention relates to a kind of checkout equipment and detection method of container parts, relate in particular to a kind of checkout equipment and detection method of floor.
Background technology
Container is very important a kind of means of transport in modern logistics industry, and in the handling and transportation of goods, by the underframe of container and lid, being located at the polycrystalline substance that the container floor on underframe forms is jointly the main load bearing component of container.Early stage container floor is the made hardwood flooring of a kind of timber being grown out by hylaea, and the performance index of this kind of hardwood flooring each side all can meet the load bearing requirements of container preferably.But because the whole world is to the environmental protection pay attention to day by day to hylaea particularly, hardwood that hylaea produces is more and more for rare, and price is also more and more expensive, and the raw material supply of container floor has been caused to bad impact.In order to improve this situation, Production Container industry starts to attempt using the floor manufactured materials of other resource abundances, yet, the intensity of finding again produced timber floor in manufacture process differs too large, quality is unstable, same batch, the floor quality of same manufacturer production also cannot guarantee that its strength grade, under same standard, cannot meet the demand of container floor quality stability well.
For to container floor, whether satisfy hierarchy requires to detect, what prior art was taked is first through larger plate vanning being carried out the method for dolly load test after the check of floor sample.In standard < < GB-T17657-1999 Test methods of evaluating the properties of woodbased panels and surface decorated woodbased panels > >, stipulated the sample test stone on floor, but in this standard, floor sample being detected to what take is the method for destructive testing, floor has been caused damage and cannot have been come into operation again, even if passed through the little sample testing in standard simultaneously, also be difficult to guarantee that large plate can be by follow-up dolly load test after casing, illustrate that above-mentioned little sample testing method has some limitations.
Refer to shown in Fig. 1, existing dolly load test is the requirement according to the strength test of ISO 1496-1 container base, with the test cart 1 of a rubber-tyred, carry out, to pass judgment on floor 2, in use bear loading vehicles or similar devices centre-point load ability.Test cart 1 requires to take quality that actual fork truck need load to carry out load test as standard.The pattern of test-bed 3 simulation chassis of container, adopts several " C " type structure cross member 31 to support, and two foundation curb girders 32 connect, and the spacing of all cross members 31 need be more than or equal to 300mm.Floor 2 nailings are arranged on test-bed 3, test cart 1 one end of 2 at the uniform velocity carries out roll extrusion along A, B, tri-routes of C with the speed of 100mm/s from floor, the other end that arrives floor 2 returns and carries out roll extrusion along A ', B ', tri-routes of C ' more afterwards, round trip is a circulation, route A/ A ' and 2 circulations of each roll extrusion of B/ B ', 1 circulation of route C/C ' roll extrusion.Judgment criteria: floor 2 is without fracture after rolled five circulations, and slight layering is no more than two; Every slight layering in floor is no more than two places, and every place's layering length is no more than 100mm.
Yet, the above-mentioned method of determining its strength grade on case by dolly load test that large plate is contained in, operating process is comparatively loaded down with trivial details, waste man-hour, and also uneconomical.
Summary of the invention
Fundamental purpose of the present invention is to have some limitations in order to solve when the various floors strength grade pick-up unit of prior art is existing is used for detecting floor strength grade, and operating process is comparatively loaded down with trivial details, waste man-hour, and also uneconomic technical matters.
In order to solve the problems of the technologies described above, the invention provides a kind of floor strength grade pick-up unit, comprise three brace summers of parallel interval setting and at least one loaded member that can send downward loading force, described three brace summers are horizontally disposed one first brace summer successively, one second brace summer and one the 3rd brace summer, distance between described the first brace summer and described the second brace summer is not more than 390mm, distance between described the second brace summer and described the 3rd brace summer is 500mm～2200mm, the contour supporting plane of using to form a supporting floor in top of each brace summer, described loaded member is arranged on the top of described supporting plane.
Described floor strength grade pick-up unit, wherein, described floor strength grade pick-up unit also comprises a horizontally disposed test platform, the bottom of described the first brace summer, described the second brace summer and described the 3rd brace summer is connected on described test platform.
Described the first brace summer and described the 3rd brace summer are fixedly connected on described test platform, and described the second brace summer position is adjustable and be removably connected on described test platform.
Described floor strength grade pick-up unit, wherein, the magnitude setting of described loaded member is one, described loaded member can be parallel to and perpendicular to each brace summer horizontal translation.
Described floor strength grade pick-up unit, wherein, the magnitude setting of described loaded member is more than two, described loaded member can be parallel to and/or perpendicular to each brace summer horizontal translation.
Described floor strength grade pick-up unit, wherein, described loaded member is for sending the loaded member of 1500KG～7000KG loading force.
Fundamental purpose of the present invention is also in order to solve existing the having some limitations of floor strength grade detection method of prior art, and operating process is comparatively loaded down with trivial details, waste man-hour, and also uneconomic technical matters.
In order to solve the problems of the technologies described above, the present invention also provides a kind of floor strength grade detection method, comprises the steps: step 1, takes out floor, learns short span load value and long span load value that the grade on floor and the floor of this grade should have; Step 2, floor is lain in to the top of each brace summer of the floor strength grade pick-up unit as described in claim 1 to 6 any one; Step 3, on floor corresponding between the first brace summer and the second brace summer middle part interregional every one first loading zone and one second loading zone are set, and interregional every one the 3rd loading zone and one the 4th loading zone are set corresponding to middle part between the second brace summer and the 3rd brace summer on floor, wherein the first loading zone and the 3rd loading zone be positioned on floor the center line perpendicular with the bearing of trend of each brace summer near; Step 4, by loaded member, to the first loading zone and the second loading zone, apply the loading force that downward size equals short span load value respectively, if there is abnormal sound in floor, the anti-shearing force of judging floor can not satisfy hierarchy requirement, on the contrary anti-shearing force satisfy hierarchy requirement; And to the 3rd loading zone and the 4th loading zone, apply the loading force that downward size equals long span load value respectively by loaded member, if there is crackle in floor bottoms, the bending strength of judging floor can not satisfy hierarchy requirement, on the contrary bending strength satisfy hierarchy requirement; Step 5, according to the result of determination of anti-shearing force in step 4 and bending strength, draw test result, only have when the anti-shearing force on floor and bending strength are when satisfy hierarchy requires simultaneously, test result just meets class requirement for described floor, and other situation is described floor and does not meet class requirement.
Described floor strength grade detection method, wherein, when in step 2, floor lies in the top of each brace summer, the distance of the brace summer that edge, floor is nearest is 100mm～200mm.
Described floor strength grade detection method, wherein, described the first loading zone and the liftoff plate of described the 3rd loading zone are 0～200mm perpendicular to the distance of the center line of the bearing of trend of each brace summer.
Described floor strength grade detection method, wherein, described the second loading zone and described the 4th loading zone are not less than 100mm from the distance at the edge, floor perpendicular to brace summer bearing of trend.
The present invention has following beneficial effect, the simple in structure and convenient operation of floor of the present invention strength grade pick-up unit, and operating process is consuming time less, so very economical and practical.What use that the floor strength grade detection method of this pick-up unit adopts is the mode of Non-Destructive Testing, do not destroy large plate just can be very simple and effective under also without the prerequisite of nailing van test determine the strength grade on floor, can find in time with batch uneven problem of floor quality, can guarantee that the floor intensity of using on identical product is basic identical, avoided occurring insufficient strength after the van test of floor and degradation level is used again shortcoming, farthest make full use of existing floor, saved the cost on floor, reduced the maintenance cost on floor, also client's interests have been safeguarded to greatest extent.
Accompanying drawing explanation
Fig. 1 is the vertical view (in figure arrow be depicted as the moving direction of test cart) of the dolly load test of prior art when floor intensity is detected.
Vertical view (in figure, arrow is depicted as the direction of the loading force applying) when Fig. 2 is strength grade pick-up unit detection floor, floor of the present invention.
Front view when Fig. 3 is strength grade pick-up unit detection floor, floor of the present invention.
Embodiment
In order to further illustrate principle of the present invention and structure, existing by reference to the accompanying drawings to a preferred embodiment of the present invention will be described in detail.
Refer to shown in Fig. 2 and Fig. 3, floor of the present invention strength grade pick-up unit comprises three brace summers 4 and at least one loaded member 5, can also comprise a test platform 6.
Described three brace summers, 4 parallel interval settings, the top of each brace summer 4 is contour to form the supporting plane of supporting floor 2 use.Each brace summer 4 can be trough girder or i-shaped beams.Described three brace summers 4 for horizontally disposed be successively one first brace summer 41, one second brace summer 42 and one the 3rd brace summer 43, distance between described the first brace summer 41 and described the second brace summer 42 is not more than 390mm, and the distance between described the second brace summer 42 and described the 3rd brace summer 43 is 500mm～2200mm.
Described loaded member 5 is arranged on the top of the formed supporting plane in top of each brace summer 4, and described loaded member 5 can be sent downward loading force, and the scope of the loading force that can send at least should comprise 1500KG～7000KG.The magnitude setting of described loaded member 5 can be one, and now described loaded member 5 can be parallel to and perpendicular to each brace summer 4 horizontal translations; The magnitude setting of described loaded member 5 also can be more than two, and now described loaded member 5 can be parallel to and/or perpendicular to each brace summer 4 horizontal translations.
Described test platform 6 can be horizontally disposed with, the bottom of described the first brace summer 41, described the second brace summer 42 and described the 3rd brace summer 43 is connected on described test platform 6, wherein, described the first brace summer 41 and described the 3rd brace summer 43 are fixedly connected on described test platform 6, described the second brace summer 42 positions are adjustable and be removably connected on described test platform 6, with can be along with the position of described the second brace summer 42 between described the first brace summer 41 and described the 3rd brace summer 43 adjusted in testing requirements.
The method that the floor strength grade pick-up unit of application of aforementioned carries out floor strength grade detection comprises the steps:
Simple in structure and the convenient operation of floor of the present invention strength grade pick-up unit, operating process is consuming time less, so very economical and practical.What use that the floor strength grade detection method of this pick-up unit adopts is the mode of Non-Destructive Testing, do not destroy large plate just can be very simple and effective under also without the prerequisite of nailing van test determine the strength grade on floor, can find in time with batch uneven problem of floor quality, can guarantee that the floor intensity of using on identical product is basic identical, avoided occurring insufficient strength after the van test of floor and degradation level is used again shortcoming, farthest make full use of existing floor, saved the cost on floor, reduced the maintenance cost on floor, also client's interests have been safeguarded to greatest extent.
Yet, the foregoing is only better possible embodiments of the present invention, not limit the scope of the invention, therefore the equivalent structure that all utilizations instructions of the present invention and accompanying drawing content have been done changes, be all included in protection scope of the present invention.
Claims (10)
1. a floor strength grade pick-up unit, it is characterized in that, comprise three brace summers of parallel interval setting and at least one loaded member that can send downward loading force, described three brace summers are horizontally disposed one first brace summer successively, one second brace summer and one the 3rd brace summer, distance between described the first brace summer and described the second brace summer is not more than 390mm, distance between described the second brace summer and described the 3rd brace summer is 500mm～2200mm, the contour supporting plane of using to form a supporting floor in top of each brace summer, described loaded member is arranged on the top of described supporting plane.
2. floor according to claim 1 strength grade pick-up unit, it is characterized in that, described floor strength grade pick-up unit also comprises a horizontally disposed test platform, and the bottom of described the first brace summer, described the second brace summer and described the 3rd brace summer is connected on described test platform.
3. floor according to claim 2 strength grade pick-up unit, it is characterized in that, described the first brace summer and described the 3rd brace summer are fixedly connected on described test platform, and described the second brace summer position is adjustable and be removably connected on described test platform.
4. floor according to claim 1 strength grade pick-up unit, is characterized in that, the magnitude setting of described loaded member is one, and described loaded member can be parallel to and perpendicular to each brace summer horizontal translation.
5. floor according to claim 1 strength grade pick-up unit, is characterized in that, the magnitude setting of described loaded member is more than two, and described loaded member can be parallel to and/or perpendicular to each brace summer horizontal translation.
6. floor according to claim 1 strength grade pick-up unit, is characterized in that, described loaded member is for sending the loaded member of 1500KG～7000KG loading force.
7. a floor strength grade detection method, is characterized in that, comprises the steps:
Step 1, taking-up floor, learn short span load value and long span load value that the grade on floor and the floor of this grade should have;
Step 2, floor is lain in to the top of each brace summer of the floor strength grade pick-up unit as described in claim 1 to 6 any one;
Step 3, on floor corresponding between the first brace summer and the second brace summer middle part interregional every one first loading zone and one second loading zone are set, and interregional every one the 3rd loading zone and one the 4th loading zone are set corresponding to middle part between the second brace summer and the 3rd brace summer on floor, wherein the first loading zone and the 3rd loading zone be positioned on floor the center line perpendicular with the bearing of trend of each brace summer near;
Step 4, by loaded member, to the first loading zone and the second loading zone, apply the loading force that downward size equals short span load value respectively, if there is abnormal voice in floor, the anti-shearing force of judging floor can not satisfy hierarchy requirement, on the contrary anti-shearing force satisfy hierarchy requirement; And to the 3rd loading zone and the 4th loading zone, apply the loading force that downward size equals long span load value respectively by loaded member, if there is crackle in floor bottoms, the bending strength of judging floor can not satisfy hierarchy requirement, on the contrary bending strength satisfy hierarchy requirement;
Step 5, according to the result of determination of anti-shearing force in step 4 and bending strength, draw test result, only have when the anti-shearing force on floor and bending strength are when satisfy hierarchy requires simultaneously, test result just meets class requirement for described floor, and other situation is described floor and does not meet class requirement.
8. floor according to claim 7 strength grade detection method, is characterized in that, when in step 2, floor lies in the top of each brace summer, the distance of the brace summer that edge, floor is nearest is 100mm～200mm.
9. floor according to claim 7 strength grade detection method, is characterized in that, described the first loading zone and the liftoff plate of described the 3rd loading zone are 0～200mm perpendicular to the distance of the center line of the bearing of trend of each brace summer.
10. floor according to claim 7 strength grade detection method, is characterized in that, described the second loading zone and described the 4th loading zone are not less than 100mm from the distance at the edge, floor perpendicular to brace summer bearing of trend.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210341350.5A CN103674734B (en) | 2012-09-14 | 2012-09-14 | Floor strength grade detection device and floor strength grade detection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210341350.5A CN103674734B (en) | 2012-09-14 | 2012-09-14 | Floor strength grade detection device and floor strength grade detection method |
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| CN103674734A true CN103674734A (en) | 2014-03-26 |
| CN103674734B CN103674734B (en) | 2017-03-22 |
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| CN201210341350.5A Active CN103674734B (en) | 2012-09-14 | 2012-09-14 | Floor strength grade detection device and floor strength grade detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105836155A (en) * | 2016-03-18 | 2016-08-10 | 中国飞机强度研究所 | Double-layer floor beam loading device for aircraft structural strength test |
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