CN105181442A - Forming air bag, and test device and method for adopting forming air bag to apply uniform load to plate - Google Patents
Forming air bag, and test device and method for adopting forming air bag to apply uniform load to plate Download PDFInfo
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- CN105181442A CN105181442A CN201510676625.4A CN201510676625A CN105181442A CN 105181442 A CN105181442 A CN 105181442A CN 201510676625 A CN201510676625 A CN 201510676625A CN 105181442 A CN105181442 A CN 105181442A
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- air bag
- bandage
- plate
- airbag body
- forming
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Abstract
The invention discloses a forming air bag, and a test device and a test method for adopting the forming air bag to apply a uniform load to a plate. The forming air bag comprises an air bag body, wherein an external forming bandage or/and an internal forming bandage is/are arranged on the air bag body; the external forming bandage is arranged on the outer wall of the air bag body; the internal forming bandage is connected to the two opposite inner walls of the air bag body; the external forming bandage or/and the internal forming bandage respectively extend along the transverse direction, the longitudinal direction and the vertical direction of the air bag body, and form the shape of the air bag body. The forming air bag is applied to a uniform load loading test of the plate; by adoption of the theory that the pressure intensity transmitted by closed gas to the forming air bag in all the directions is the same, the situation that the plate is stressed by the uniform load is well simulated; meanwhile, a jack force application device can be adopted to conveniently control the load; due to the test, the bearing capacity of the plate can be measured; a test result is accurate and scientific, and a basis can be provided for the design of the plate.
Description
Technical field
The present invention relates to structured testing field, particularly relate to a kind of shaping air bag and apply it applies evenly load test unit and method to plate.
Background technology
At present, for the test that plate evenly load loads, mainly adopt the heap support method of sandbag or balancing weight etc., or adopt the loading method of distribution beam.Although the former can simulate evenly load preferably, but owing to loading by artificial heap sandbag or balancing weight etc., test speed is slow, manually expends large, when required load is larger, the height that sandbag or balancing weight etc. are piled up is very large, even if even piling height is very large, does not also reach load and loads requirement, simultaneously, after plate destroys, discharge rate is slow, easily causes danger; The latter passes through distribution beam load application by lifting jack, the situation of actual evenly load can not be simulated, evenly load can only be equivalent to, and for two-way slab floor, this kind of method is inapplicable, therefore, the scope of application of above-mentioned two kinds of plate evenly load load test methods has limitation, cannot meet scientific research and the requirement of engineering of plate evenly load load test.
Therefore, be necessary to design a kind of test unit and the method that plate are applied to evenly load, to solve the problem.
Summary of the invention
For prior art Problems existing, the invention provides one and can apply evenly load to plate, the shaping air bag that the scope of application is wider and apply it test unit of evenly load and method are applied to plate.
To achieve these goals, the present invention adopts following technical scheme:
A kind of shaping air bag, comprise airbag body, described airbag body is provided with outside shape-forming bandage or/and inner shape-forming bandage, described outside shape-forming bandage is located at the outer wall of described airbag body, described inner shape-forming bandage is connected to two inwalls that described airbag body is oppositely arranged, and described outside shape-forming bandage is or/and horizontal, longitudinally and vertically extend respectively and shape to described airbag body along described airbag body of described inner shape-forming bandage.
Further, the end of described airbag body is provided with valve.
Further, described outside shape-forming bandage comprises the vertical bandage of outside longitudinal bandage and outside, the upper and lower outer wall of described airbag body is located at by the longitudinal bandage in described outside, extend longitudinally, the surrounding outer wall of described airbag body is located at by the vertical bandage in described outside, is connected to the upper and lower outer wall of described airbag body.
Further, described inner shape-forming bandage comprises the vertical bandage of inner transverse bandage and inside, the upper and lower inwall of described airbag body is located at by described inner transverse bandage, intersect vertically with the longitudinal bandage in described outside, the middle part of described airbag body is located at by the vertical bandage in described inside, be connected to the upper and lower inwall of described airbag body, vertical between two and crossing with the longitudinal bandage of described inner transverse bandage and described outside.
Further, the Nodes that described outside shape-forming bandage is crossing with described inner shape-forming bandage adopts rivet and described airbag body to fix.
A kind ofly apply above-mentioned shaping air bag the test unit of evenly load is applied to plate, comprise base, described base is placed for described plate, described shaping air bag placed by described plate, the both sides of described base are provided with support column, and the top of described support column is provided with crossbeam, and described transverse beam lifting has lifting jack force application apparatus, described lifting jack force application apparatus forces in described shaping air bag, and transfers the load to described plate.
Further, described lifting jack force application apparatus comprises mount pad and is installed on described crossbeam, the below of described mount pad is provided with hydraulic cylinder, liquid presses piston pole and articulated joint, and the below of described articulated joint is connected with loading steel beam with box shape, and described loading steel beam with box shape is connected to described shaping air bag.
Further, also be provided with steel plate between described base and described plate, described base is provided with hold-down support bar shaped steel, is provided with triangular support base and cylindrical abutment between described hold-down support bar shaped steel, described steel plate is positioned in described triangular support base and described cylindrical abutment, and described plate is positioned on described steel plate.
Adopt a method for above-mentioned test unit, comprising:
Step one: assemble described test unit;
Step 2: described plate is lifted on described base;
Step 3: the described shaping air bag of inflation is positioned on described plate;
Step 4: by lifting jack force application apparatus imposed load, load applying is in described shaping air bag and pass to described plate.
Further, in step 3, described shaping air bag has multiple, placed side by side on described plate.
Beneficial effect of the present invention:
Described shaping air bag adopts outside shape-forming bandage or/and inner shape-forming bandage is shaped, the shape of controlled shaping air bag processed, ensure the combination of itself and other test unit, airbag body has flexibility, conditional Free Transform when stressed, can with plate close contact; During test, load is delivered to plate by shaping air bag, confining gas is utilized to transmit the identical principle of pressure to shaping air bag all directions, well simulate the situation of plate by evenly load, and adopt lifting jack force application apparatus can the size of control load easily, the bearing capacity of plate can be recorded by test, test findings has accuracy, science, and the design that can be plate provides foundation.
Accompanying drawing explanation
Fig. 1 is the stereographic map of shaping air bag of the present invention;
Fig. 2 is the vertical view of shaping air bag of the present invention;
Fig. 3 is the schematic diagram of shape-forming bandage in shaping air bag of the present invention;
Fig. 4 is the schematic diagram of test unit of the present invention;
Fig. 5 is the schematic diagram of base in test unit of the present invention;
In figure, 1-airbag body, 2-valve, 3-outside longitudinal bandage, 4-outside vertical bandage, 5-inner transverse bandage, 6-inner vertical bandage, 7-base, 8-support column, 9-crossbeam, 10-hold-down support bar shaped steel, 11-triangular support base, 12-cylindrical abutment, 13-steel plate, 14-mount pad, 15-hydraulic cylinder, 16-liquid presses piston pole, 17-articulated joint, 18-loading steel beam with box shape, 19-plate.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Need explanation, (the such as up, down, left, right, before and after, horizontal stroke, vertical of all directivity instruction in the embodiment of the present invention ...) only for explaining the relative position relation, motion conditions etc. under a certain particular pose (as shown in drawings) between each parts, if when this particular pose changes, then directionality instruction also correspondingly changes thereupon.
Shaping air bag of the present invention is used in the load test of the evenly load of plate 19, gas in air bag is utilized to transmit the identical principle of pressure to air bag all directions, can analog board 19 by the situation of evenly load, obtain accurately and there is scientific result, for the design of floor provides foundation.
As Fig. 1 to Fig. 3, with left and right directions in Fig. 1 for transverse direction, fore-and-aft direction is that longitudinally above-below direction is for vertically to specifically describe.Shaping air bag of the present invention comprises airbag body 1, and airbag body 1 adopts flexible material to make, and in process of the test, ensures the close contact of air bag and plate.The end of airbag body 1 is provided with valve 2, and for inflation in airbag body 1 or venting, the used time can not bleed off internal gas, and keeping is convenient, then gassy during use.Airbag body 1 is provided with outside shape-forming bandage or/and inner shape-forming bandage, outside shape-forming bandage is located at the outer wall of airbag body 1, inwall shape-forming bandage is located at the inside of airbag body 1, and connect two relative inwalls, outside shape-forming bandage is or/and horizontal, longitudinally and vertically extend respectively and shape to airbag body 1 along airbag body of inner shape-forming bandage, making air bag have roughly fixing shape when inflating, ensureing the combination of itself and other test unit.
Outside shape-forming bandage comprises the vertical bandage 4 of outside longitudinal bandage 3 and outside, outside longitudinal bandage 3 extends longitudinally, be located at the upper and lower outer wall of airbag body 1, the surrounding outer wall of airbag body 1 is located at by outside vertical bandage 4, vertically extend, be connected to the upper and lower outer wall of airbag body 1, vertical and crossing with the longitudinal bandage 3 in outside, the outside Nodes that vertically bandage 4 is crossing with the longitudinal bandage 3 in outside adopts rivet and airbag body 1 to fix.Inner shape-forming bandage comprises the vertical bandage 6 of inner transverse bandage 5 and inside, inner transverse bandage 5 extends transversely, be located at the upper of airbag body 1, lower inwall, vertical and crossing with the longitudinal bandage 3 in outside, the crossing Nodes of the longitudinal bandage 3 in inner transverse bandage 5 and outside adopt rivet and airbag body 1 fixing, the middle part of airbag body 1 is located at by inner vertical bandage 6, be connected to the upper of airbag body 1, lower inwall, with inner transverse bandage 5 and outside longitudinal bandage 3 vertical between two and crossing, the inner vertically Nodes that bandage 6 is crossing with inner transverse bandage 5 or outside longitudinal bandage 3 adopts rivet and airbag body 1 to fix.Connected by rivet or alternate manner between above-mentioned shape-forming bandage, except being tightly connected between crossed node place shape-forming bandage and airbag body 1, remainder shape-forming bandage is not connected with airbag body 1.The shape of airbag body 1 is limited by the longitudinal bandage 3 in outside, inner transverse bandage 5, outside vertical bandage 4 and inner vertical bandage 6, make the conditional Free Transform of shaping air bag, can be used in the evenly load test unit of plate 19, can combine closely with plate 19, and transmit evenly load.
As Fig. 4 and Fig. 5, the present invention also proposes a kind ofly to apply above-mentioned shape-forming bandage and apply the test unit of evenly load to plate, and comprise base 7, the both sides of base 7 are provided with support column 8, the top of support column 8 is provided with crossbeam 9, form stable portal frame, crossbeam 9 is lifted with lifting jack force application apparatus, plate 19 is positioned on base 7, shaping air bag placed by plate 19, during test, lifting jack force application apparatus forces in shaping air bag, and transfers the load to plate 19, thus records the bearing capacity of plate 19.Wherein the top of base 7 is provided with hold-down support bar shaped steel 10, the both sides of base 7 are located at by hold-down support bar shaped steel 10, wherein every side is provided with two hold-down support bar shaped steel 10, between two hold-down support bar shaped steel 10, there is space, be respectively used to place triangular support base 11 and cylindrical abutment 12, triangular support base 11 and cylindrical abutment 12 are positioned in hold-down support bar shaped steel 10, can prevent when loading, triangular support base 11 and the displacement of cylindricality 12 bearing occurred level, triangular support base 11 and cylindrical abutment 12 are placed with steel plate 13, plate 19 is positioned on steel plate 13, in order to avoid when loading there is local compression destruction in plate 19 end.Lifting jack force application apparatus comprises mount pad 14 and is installed on crossbeam 9, the below of mount pad 14 is provided with hydraulic cylinder 15, liquid presses piston pole 16 and articulated joint 17 successively, the below of articulated joint 17 is connected with and loads steel beam with box shape 18, load steel beam with box shape 18 during test and be connected to shaping air bag, shaping air bag is exerted a force.This test unit utilizes closed gas to transmit the identical principle of pressure to shaping air bag all directions, and well simulate the situation of plate 19 by evenly load, the bearing capacity result recording plate 19 accurately has science, can provide foundation for the design of plate 19.
Adopt the method for above-mentioned test unit as follows:
Step one: assemble test unit, specifically first crossbeam 9 is fixed on support column 8, form stable portal frame, then mount pad 14 is arranged on crossbeam 9, lifting jack force application apparatus is made to be lifted on crossbeam 9 times, then base 7 is lifted into below lifting jack force application apparatus, the base 7 plane centre of form is alignd with lifting jack force application apparatus plane centre of form in the vertical direction, then triangular support base 11 and cylindrical abutment 12 are positioned in the gap between hold-down support bar shaped firm 10 respectively, steel plate 13 are erected in triangular support base 11 and cylindrical abutment 12.
Step 2: plate 19 is lifted on steel plate 13.
Step 3: be positioned over by shaping air bag on plate 19, is inflated in airbag body 1 by valve 2 before placement, and the shaping air bag placed is positioned at the below loading steel beam with box shape 18.
Step 4: by lifting jack force application apparatus load application, load puts on shaping air bag and passes to plate 19, thus carry out the evenly load load test of plate 19, record the bearing capacity of plate 19, because all directions of the gas in shaping air bag to air bag transmit identical pressure, can be good at the situation that analog board receives evenly load, therefore measured result accurately and have science, well instructs the design of plate.
In above-mentioned process of the test, order can adjust as required, when floor width is larger, and can by placed side by side for one or more shaping air bag on plate in step 3, carry out the evenly load load test of plate, the evenly load load test completing plate accurately can be facilitated.Above-mentioned test unit and method not only may be used for the load test of plate, also may be used for the evenly load load test of other structural elements.
Above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those skilled in the art are to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of the technical program, it all should be encompassed in right of the present invention.
Claims (10)
1. a shaping air bag, it is characterized in that, comprise: flexible airbag body, described airbag body is provided with outside shape-forming bandage or/and inner shape-forming bandage, described outside shape-forming bandage is located at the outer wall of described airbag body, described inner shape-forming bandage is connected to two inwalls that described airbag body is oppositely arranged, and described outside shape-forming bandage is or/and horizontal, longitudinally and vertically extend respectively and shape to described airbag body along described airbag body of described inner shape-forming bandage.
2. shaping air bag according to claim 1, is characterized in that: the end of described airbag body is provided with valve.
3. shaping air bag according to claim 1, it is characterized in that: described outside shape-forming bandage comprises the vertical bandage of outside longitudinal bandage and outside, the upper and lower outer wall of described airbag body is located at by the longitudinal bandage in described outside, extend longitudinally, the surrounding outer wall of described airbag body is located at by the vertical bandage in described outside, is connected to the upper and lower outer wall of described airbag body.
4. shaping air bag according to claim 3, it is characterized in that: described inner shape-forming bandage comprises the vertical bandage of inner transverse bandage and inside, the upper and lower inwall of described airbag body is located at by described inner transverse bandage, intersect vertically with the longitudinal bandage in described outside, the middle part of described airbag body is located at by the vertical bandage in described inside, be connected to the upper and lower inwall of described airbag body, vertical between two and crossing with the longitudinal bandage of described inner transverse bandage and described outside.
5. shaping air bag according to claim 1, is characterized in that: the described outside shape-forming bandage Nodes crossing with described inner shape-forming bandage adopts rivet and described airbag body to fix.
6. an application rights requires that the shaping air bag described in 1 applies the test unit of evenly load to plate, it is characterized in that, comprise: base, described base is placed for described plate, and described shaping air bag placed by described plate, and the both sides of described base are provided with support column, the top of described support column is provided with crossbeam, described transverse beam lifting has lifting jack force application apparatus, and described lifting jack force application apparatus forces in described shaping air bag, and transfers the load to described plate.
7. test unit according to claim 6, it is characterized in that: described lifting jack force application apparatus comprises mount pad and is installed on described crossbeam, the below of described mount pad is provided with hydraulic cylinder, liquid presses piston pole and articulated joint, the below of described articulated joint is connected with loading steel beam with box shape, and described loading steel beam with box shape is connected to described shaping air bag.
8. test unit according to claim 6, it is characterized in that: between described base and described plate, be also provided with steel plate, described base is provided with hold-down support bar shaped steel, triangular support base and cylindrical abutment is provided with between described hold-down support bar shaped steel, described steel plate is positioned in described triangular support base and described cylindrical abutment, and described plate is positioned on described steel plate.
9. adopt a method for test unit according to claim 6, it is characterized in that, comprising:
Step one: assemble described test unit;
Step 2: described plate is lifted on described base;
Step 3: the described shaping air bag of inflation is positioned on described plate;
Step 4: by lifting jack force application apparatus imposed load, load applying is in described shaping air bag and pass to described plate.
10. method according to claim 9, is characterized in that: in step 3, described shaping air bag has multiple, placed side by side on described plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510676625.4A CN105181442B (en) | 2015-10-19 | 2015-10-19 | Shaping air bag and the experimental rig and method for applying evenly load to plate using it |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510676625.4A CN105181442B (en) | 2015-10-19 | 2015-10-19 | Shaping air bag and the experimental rig and method for applying evenly load to plate using it |
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| CN105181442A true CN105181442A (en) | 2015-12-23 |
| CN105181442B CN105181442B (en) | 2018-04-17 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105466677A (en) * | 2016-01-11 | 2016-04-06 | 北京九州一轨隔振技术有限公司 | Tunnel acoustic baffle fatigue tester |
| CN106153465A (en) * | 2016-07-15 | 2016-11-23 | 徐晟伟 | A kind of Architecture Outer Curtain Wall load test device |
| CN106706426A (en) * | 2016-11-30 | 2017-05-24 | 中国直升机设计研究所 | Uniform load test device for honeycomb structural member of helicopter fuel tank compartment |
| CN107907392A (en) * | 2017-11-13 | 2018-04-13 | 武汉轻工大学 | The sample preparation device and method for making sample of vapour-pressure type manipulated soil |
| CN113252455A (en) * | 2021-04-01 | 2021-08-13 | 宁波和邦检测研究有限公司 | Water loading tank, and stair performance detection system and method applying water loading tank |
| CN114295483A (en) * | 2021-12-29 | 2022-04-08 | 常熟市工程质量检测中心 | Loading device and loading method for structure performance test of prefabricated laminated slab |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114295483A (en) * | 2021-12-29 | 2022-04-08 | 常熟市工程质量检测中心 | Loading device and loading method for structure performance test of prefabricated laminated slab |
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