CN106018058A - Stability test device of composite sandwich plate for ships - Google Patents
Stability test device of composite sandwich plate for ships Download PDFInfo
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- CN106018058A CN106018058A CN201610300854.0A CN201610300854A CN106018058A CN 106018058 A CN106018058 A CN 106018058A CN 201610300854 A CN201610300854 A CN 201610300854A CN 106018058 A CN106018058 A CN 106018058A
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- chuck
- composite sandwich
- plate
- bearing
- sandwich plates
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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
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- Life Sciences & Earth Sciences (AREA)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a stability test device of a composite sandwich plate for ships. The stability test device comprises a square box, a support and two chucks, wherein the square box is mounted on a pile foundation, the support is arranged on a pile foundation in the square box, a bearing box is mounted on the support, each chuck comprises a back plate, an upper clamp plate, a lower clamp plate, an upper adjustment bolt and a lower adjustment bolt, the upper clamp plate and the lower clamp plate are connected with the back plate, the upper adjustment bolt and the lower adjustment bolt are arranged on the upper clamp plate and the lower clamp plate respectively, the back plate of one chuck is fixed on one side wall of the square box, the back plate of the other chuck is provided with a steel plate, a connection column body is arranged at the end part of the steel plate which penetrates through the bearing box, a mechanics testing and analog loading system is mounted on the other side wall of the square box, the connection column body is connected with the mechanics testing and analog loading system by a connection sleeve and a force sensor, and a composite sandwich plate test part is fixed between the two chucks. The device can perform stability test to a large composite sandwich plate conveniently and has an important value for application of the composite sandwich plate in the ship field.
Description
Technical field
The present invention relates to the device of a kind of sheet material stability test.Specifically one is applicable to be combined
The device of material clip central layer stability test.
Background technology
The development trend of boats and ships lighting makes composite obtain extensive concern, and Composite Sandwich Plates is with it
Excellent mechanical property and the stability of processing performance obtain relatively broad application.Composite structure uses
Building block design method need the mechanical property verifying the structure of different levels whether to meet design requirement, its
Middle interior utmost carrying ability and contingent unstable failure are the problems that design must take into.
For the battenboard that relatively simple laminate and gross thickness are less, with reference to the most relevant stability
Test standard can carry out the mensuration of buckling load on the testing machine of standard, this also means that common standard
The limitation of testing machine, it is adaptable to the simple structure that ultimate load is less.The size of boats and ships composite structure
Relatively big, and bearing load is complicated and changeable, the margin of safety required by structure design is relatively large.Compare lamination
Plate structure, Sandwich structure causes the moment of inertia with the battenboard of identical skin thickness to increase because of the existence of core
Greatly so that it is bending stiffness also increases, and in-plane stiffness and weight loss effect are suitable, Composite Sandwich Plates simultaneously
Preparation processing relatively stable with assembly technology, factors above causes Sandwich structure to obtain extensively at ship domain
General application.
Ship deck carrying structure mainly suffers inertial load, wind load and the upper wave load such as slamming, and lighting
Designer trends and demand make composite structure form be totally different from tradition steel version, battenboard
Excellent anti-bending strength makes the plate panel size of the Composite Sandwich Plates shelf structure that boats and ships are used increase, and
Composite Sandwich Plates does not possess the higher ductility that steel structure is had, and causes Sandwich structure to exist
It is in the most disadvantageous position in opposing face in the case of compressive load, may make structure that local buckling occurs
And then produce partial structurtes damage, affect the normal function of composite structure, inside configuration can be given simultaneously
Carrying equipment brings potential safety hazard, therefore necessary when Composite Sandwich Plates structure designs carries out stability
Verification experimental verification.But owing to integral thickness and the plate panel size of battenboard are relatively big, and the complete buckling of battenboard carries
Lotus is relatively big, and traditional experiment machine range can not meet test requirements document, need to use novel Composite Sandwich peculiar to vessel
Plate stabilizing test device.
Summary of the invention
It is an object of the invention to provide a kind of reliability height, be applicable to that there is the peculiar to vessel multiple of two ends fixed boundary
The Composite Sandwich Plates stabilizing test device peculiar to vessel of condensation material battenboard test.
The object of the present invention is achieved like this:
Including the square chest being arranged in pile foundation, it is arranged on the bearing in pile foundation inside square chest, bearing is installed axle
Holding case, also include two chucks, chuck includes backboard, the train wheel bridge being connected with backboard and lower plate, difference
Being arranged on train wheel bridge and the upper regulation bolt on lower plate and lower regulation bolt, the backboard of a chuck is fixed on
On one sidewall of square chest, with steel plate on the backboard of another chuck, the end of steel plate with connect cylinder,
Steel plate passes bearing housing, installs mechanical test and simulated loading system, connect on another sidewall of square chest
Cylinder is linked with simulated loading system with mechanical test by branch sleeve and force transducer, Composite Sandwich
Board test part is fixed between two chucks.
The present invention can also include:
1, between upper regulation bolt and lower regulation bolt and Composite Sandwich Plates test block, rectangle backing plate is set.
2, described bearing housing includes bearing housing, is arranged on the two rows bearing of bearing housing, and often row is axially
Including 3 bearing group, arranging main shaft between each bearing group, steel plate is through between two rows main shaft.
The main feature of technical scheme is embodied in:
(1) structure of chuck
Chuck has upper and lower two-way scalable function, it is ensured that during test, Composite Sandwich Plates is positioned at load effect
On the central axis of cylinder, the clamping being controlled chuck by the bolt extension elongation of the regulation upper and lower both sides of chuck is thick
Degree, for the damage preventing bolt from directly contacting with Composite Sandwich Plates, respectively pads in both sides, battenboard end
One piece of certain thickness rectangular steel plates.And the clamped design of the chuck contacted with axial casing is constant, it is still upper
Lower two-way regulating function, the opposite side of chuck and one piece of thick rectangular steel plates welding, steel plate thickness and axial casing
Space height between middle two rows bearing is identical, chuck through after casing again with one with externally threaded cylinder
Structure welding, it is simple to be connected with force transducer.
(2) structure of bearing housing
The axially-movable of bearing housing mainly control chuck is with two other translational degree of freedom of limit, simultaneously
Casing is by fixing with the interconnection function of pile foundation pre-embedded bolt, and ensures and load axial by the chuck of casing
The central axial coincidence of application cylinder.It is made up of two rows bearing inside bearing housing, often arranges and axially include 3
Individual bearing group, box house width is basically identical with chuck width to limit the in-plane moving of chuck, protects with this
Card is only capable of moving along direction, axis by the chuck of bearing housing.
(3) charger system is assembled
Chuck is connected to fixing with the steel square chest in pile foundation on and adjust to certain altitude so that experiment opening
Exhibition, according to the position of exemplar length adjustment spring bearing casing, by casing and the support knot being fixed in pile foundation
Structure connects and by the end of another chuck through casing, it is ensured that two center of collet lines are overlapping.Will be with
The mechanical test of force transducer and the application cylinder of simulated loading system are fixed on base and steel square chest, it is ensured that
Application cylinder axis and pile foundation surface parallel and normal to steel square chest surface, guarantee effect cylinder axis simultaneously
Consistent with two chuck axis, with female cylindrical sleeves attachment force sensor and the post on chuck
Body structure, is combined into complete Composite Sandwich Plates stability test charger system.
This device can meet the stability test with one fixed width battenboard, can record and have two ends rigidity admittedly
Determine axial load and axial displacement curve, buckling load and the flexure of the Composite Sandwich Plates of boundary condition
Line and the relation of axial load, it is simple to carry out the stability test of large scale Composite Sandwich Plates, to compound
The application in field, naval vessel of the material clip central layer has important value.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of the chuck on backboard without steel plate.
Fig. 3 is the structural representation of the chuck on backboard with steel plate.
Fig. 4 is the structural representation of bearing housing.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the attached view of Fig. 4.
Detailed description of the invention
The citing present invention is described in detail below in conjunction with the accompanying drawings.
In conjunction with Fig. 1 to Fig. 3, the stabilizing test device system of the present invention includes the square chest being arranged in pile foundation 9
1, it is arranged on the bearing 4 in the internal pile foundation of square chest, bearing is installed bearing housing 5, also includes two chucks 2,
Described chuck is that upper and lower two-ways regulation chuck includes backboard, the train wheel bridge being connected with backboard and lower plate, difference
Being arranged on train wheel bridge and the regulation bolt 10 on lower plate, the backboard of a chuck is fixed on the left side wall of square chest
On, with steel plate 12 on the backboard of another chuck, the end of steel plate is with connecting cylinder 13, and steel plate passes
Bearing housing, installs mechanical test and simulated loading system 8 on the right side wall of square chest, connects cylinder by connecting
Sleeve 6 and force transducer 7 link with simulated loading system with mechanical test, Composite Sandwich Plates test block 3
It is fixed between two chucks.
Between upper regulation bolt and lower regulation bolt and Composite Sandwich Plates test block, rectangle backing plate 11 is set.
In combination with Fig. 4 to Fig. 6, described bearing housing includes steel bearing housing 14, is arranged on the upper of bearing housing
Lower two row's bearings 16, often arrange and axially include 3 bearing group, arrange main shaft 17 between each bearing group, steel plate
It is through between two rows main shaft, steel bearing housing arranges bolt hole 15.
Left side square chest is connected by bolt with two-ways regulation chuck 2；Composite Sandwich Plates exemplar is held on a left side
On the two-ways regulation chuck of right both sides；Right side two-ways regulation chuck is connected on bearing housing, and the two is seated at casing
On bearing 4.
Chuck is connected to fixing with the steel square chest in pile foundation on and adjust to certain altitude so that experiment opening
Exhibition, according to the position of exemplar length adjustment casing bearing, props up bearing housing with the casing being fixed in pile foundation
Seat connects and by the end of another chuck through axial casing, it is ensured that two center of collet lines are overlapping.Will
The mechanical test of force sensor and simulated loading system application cylinder are fixed on steel square chest, it is ensured that load is made
With cylinder axis and pile foundation surface parallel and normal to steel square chest surface, simultaneously guarantee effect cylinder axis with
Two chuck axis are consistent, with female branch sleeve attachment force sensor and the cylinder on chuck
Structure, is combined into complete Composite Sandwich Plates stability test charger system.
The two ends of Composite Sandwich Plates exemplar are individually positioned in the middle of two pieces of rectangular steel plates of two chucks,
Battenboard end clamped by the bolt of regulation chuck both sides, and ensures that battenboard is in two chuck planes, and
Composite Sandwich Plates exemplar axis is consistent with the axis of simulated loading system application cylinder with mechanical test.
Adjust MTS loading system application cylinder extension elongation, make battenboard end completely attach to and tightening chuck with chuck
On fastening bolt and do not change battenboard position, finally mechanical test and simulated loading system application cylinder are carried
Lotus carries out zeroing process.
Set loading speed as 1.0mm/min and to load until Composite Sandwich Plates exemplar unstable failure, survey
Obtain axial load-displacement curve and the collapsing load of Composite Sandwich Plates exemplar, unload and take off answering of destruction
Condensation material battenboard exemplar.
Chuck has upper and lower two-way scalable function, it is ensured that during test, Composite Sandwich Plates is positioned at load effect
On the central axis of cylinder；Bearing housing mainly controls the axially-movable of chuck with two other translation of limit
Degree of freedom, casing is by fixing with the interconnection function of pile foundation pre-embedded bolt simultaneously, and ensures the folder by casing
Head axially overlaps with the central axial of load application cylinder.This device can meet and has the steady of one fixed width battenboard
Qualitative test, can record have two ends rigidly fix boundary condition Composite Sandwich Plates axial load with
Axially displacement curve, buckling load and line of deflection and the relation of axial load, it is simple to carry out large scale and be combined
The stability test of material clip central layer, has important value to the Composite Sandwich Plates application in field, naval vessel.
Claims (3)
1. a Composite Sandwich Plates stabilizing test device peculiar to vessel, is characterized in that: include being arranged on pile foundation
On square chest, the bearing that is arranged in the internal pile foundation of square chest, bearing is installed bearing housing, also includes two folders
Head, chuck includes backboard, the train wheel bridge being connected with backboard and lower plate, is separately positioned on train wheel bridge and lower folder
Upper regulation bolt on plate and lower regulation bolt, the backboard of a chuck is fixed on a sidewall of square chest,
With steel plate on the backboard of another chuck, the end of steel plate is with connecting cylinder, and steel plate passes bearing housing,
Another sidewall of square chest is installed mechanical test and simulated loading system, connects cylinder and pass through branch sleeve
Linking with simulated loading system with force transducer and mechanical test, Composite Sandwich Plates test block is fixed on two
Between chuck.
Composite Sandwich Plates stabilizing test device peculiar to vessel the most according to claim 1, is characterized in that:
Between upper regulation bolt and lower regulation bolt and Composite Sandwich Plates test block, rectangle backing plate is set.
Composite Sandwich Plates stabilizing test device peculiar to vessel the most according to claim 1 and 2, it is special
Levying and be: described bearing housing includes bearing housing, is arranged on the two rows bearing of bearing housing, often row is axially
Including 3 bearing group, arranging main shaft between each bearing group, steel plate is through between two rows main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610300854.0A CN106018058A (en) | 2016-05-09 | 2016-05-09 | Stability test device of composite sandwich plate for ships |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610300854.0A CN106018058A (en) | 2016-05-09 | 2016-05-09 | Stability test device of composite sandwich plate for ships |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106018058A true CN106018058A (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610300854.0A Pending CN106018058A (en) | 2016-05-09 | 2016-05-09 | Stability test device of composite sandwich plate for ships |
Country Status (1)
| Country | Link |
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| CN (1) | CN106018058A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827755A (en) * | 2018-04-16 | 2018-11-16 | 武汉理工大学 | A kind of grillage intensity experiment clamping device |
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| CN204772205U (en) * | 2015-06-27 | 2015-11-18 | 蚌埠德美过滤技术有限公司 | A anchor clamps for fixing filter casing |
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| CN105547823A (en) * | 2016-03-01 | 2016-05-04 | 覃艺诗 | Composite floor stretching detecting clamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827755A (en) * | 2018-04-16 | 2018-11-16 | 武汉理工大学 | A kind of grillage intensity experiment clamping device |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |