CN202158994U - Destructive test device for squeezed weld joints of aluminum alloy sectional bar - Google Patents
Destructive test device for squeezed weld joints of aluminum alloy sectional bar Download PDFInfo
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- CN202158994U CN202158994U CN 201120257407 CN201120257407U CN202158994U CN 202158994 U CN202158994 U CN 202158994U CN 201120257407 CN201120257407 CN 201120257407 CN 201120257407 U CN201120257407 U CN 201120257407U CN 202158994 U CN202158994 U CN 202158994U
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- test device
- destructive test
- squeezed
- destructive
- weld seam
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Abstract
The utility model discloses a destructive test device for squeezed weld joints of an aluminum alloy sectional bar. The destructive test device comprises a test bed and a support which is arranged on the test bed in a way of moving along the horizontal direction, wherein a wedge-shaped pressure head which can exert load downwards along the vertical direction; and the radius R of the head part of the wedge-shaped pressure head is not smaller than 4mm. The destructive test device also comprises a fixing support used for fixing a test piece in a complex shape; the fixing support and the support are matched mutually for use; and the test bed is also provided with scales for assisting the positioning of the support. The destructive test device can conduct a destructive test on each squeezed weld joint of a sectional bar sample with a certain cross section and judge the integrity of the squeezed weld joint of the section bar; the test device is concise and practical and correct, is reliable in expression of results and meets the standard specification and the requirements of relevant products; and demonstrated by massive tests, the test device is approved by users and experts at home and abroad and suitable for popularization and application.
Description
Technical field
The present invention relates to a kind of mechanics of materials detection range, particularly a kind of aluminium alloy extrusions extruding weld seam destructive test device of rail vehicle structure large-scale compound section.
Background technology
In aluminium alloy extrusions extrusion process technical field, adopt the goods of tongue property mould or diffluence combination die extruding, continuous or interrupted black slit appears in its seam district (to call the extruding weld seam in the following text), and it is bad to be called seam.Seam is bad to be the common macrostructure defective of aluminum alloy extrusion section bar.The products standards regulation adopts two kinds of method checks of macrostructure check and destructive test extruding welding line structure integrality both at home and abroad, but wherein destructive test method is not had concrete regulation and requirement.Do not see relevant criterion test method and reference thereof at present as yet.
To above-mentioned deficiency, need provide that a kind of universality is wide, assay aluminium alloy extrusions extruding welding test method and device more accurately.
The utility model content
In view of this; The purpose of the utility model provides a kind of aluminium alloy extrusions extruding weld seam destructive test device; Destructive test is carried out at each extruding weld seam position to a certain xsect section bar sample; And judge the integrality of section bar extruding weld seam, the product that guarantees to dispatch from the factory meets the requirement of correlation technique standard.
The purpose of the utility model realizes through following technical scheme: a kind of aluminium alloy extrusions extruding weld seam destructive test device; But comprise testing table and be arranged on the bearing on the testing table that the testing table top is provided with the pressure head of downward load application vertically with the mode that along continuous straight runs moves.
Further, said pressure head is a wedge structure, and the head radius R of wedge shaped pressure head is not less than 4mm;
Further, also comprise the fixed support that is used for fixing the complicated shape test specimen, the use that cooperatively interacts of fixed support and bearing;
The scale of auxiliary support location further, also is set on the said testing table.
The beneficial effect of the utility model: the aluminium alloy extrusions extruding weld seam destructive test device that adopts the utility model; Can carry out destructive test to each extruding weld seam position of a certain xsect section bar sample; And judge that section bar pushes the integrality of weld seam; Test unit is concisely practical, and results expression meets products standards regulation and requirement accurately and reliably; And, obtained domestic and international associated user and expert's approval through a large amount of testing and verifications, be fit to promote the use of.
Description of drawings
Below in conjunction with accompanying drawing and specific embodiment the utility model is further described:
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the user mode figure of the utility model;
Fig. 3 is the P portion enlarged drawing among Fig. 1.
Embodiment
Fig. 1 is the structural representation of the utility model; Fig. 2 is the user mode figure of the utility model; Fig. 3 is the P portion enlarged drawing among Fig. 1.As shown in the figure; A kind of aluminium alloy extrusions extruding weld seam destructive test device of present embodiment; But comprise testing table 1 and be arranged on the bearing 2 on the testing table that the testing table top is provided with the pressure head 3 of downward load application vertically with the mode that along continuous straight runs moves; Said pressure head 3 is a wedge structure, and the head radius R of wedge shaped pressure head is not less than 4mm, concrete R=4mm, and when the aluminium alloy extrusions to labyrinth makes an experiment, also need be by fixed support 4, with bearing 3 use that cooperatively interacts, be used for better fixedly test specimen.
The concrete use step of this device is: a kind of aluminium alloy extrusions extruding weld seam destructive test method is characterized in that: may further comprise the steps:
A, test specimen sampling: distinguish one section aluminium alloy extrusions of intercepting as test specimen at the two ends of finished section bar;
B, test specimen are handled: getting test specimen is carried out etch, pickling, extruding weld seam location and sign;
C, test specimen are installed: as shown in Figure 2, the test specimen 4 that xsect is comparatively complicated is installed on the bearing 2 of testing table 1; According to various aluminium alloy extrusions cross sectional shapes, can select the various fixed mount that adapts 4 auxiliary fixing.
D, load stressed: to predetermined labels position load application, rupture until aluminium alloy extrusions; It is stressed that present embodiment adopts 5 pairs of test specimens 6 of universal testing machine to load, and universal testing machine pressure head 3 is the sphenoid structure, and tip radius is 4mm.
E, test findings are judged and are expressed: at first judge according to the aluminium alloy extrusions fracture position: if not the position fracture of extruding weld seam is then good for seam; If the extruding welding seam breaking needs further to judge according to aluminium alloy extrusions fracture transversal section shape characteristic: if the pattern of transversal section is the rough wearing fiber shape, be tough break, then good for seam; If transversal section pattern rock-candy structure is straight ceramic-like, be rock-candy structure, then bad for seam;
F, repeating step c-e progressively carry out destructive test to each extruding weld seam; Can carry out destructive test to all extruding weld seams of the aluminium alloy extrusions of complex section, respectively push weld seam whether seam is good to detect, the quality of the product that guarantees to dispatch from the factory meets various index requests.
Adopt the aluminium alloy extrusions extruding weld seam destructive test device of the utility model; Can carry out destructive test to each extruding weld seam position of a certain xsect section bar sample; And judge that section bar pushes the integrality of weld seam; Test unit is concisely practical, and results expression meets products standards regulation and requirement accurately and reliably; And, obtained domestic and international associated user and expert's approval through a large amount of testing and verifications, be fit to promote the use of.
As further improvement, the scale of auxiliary support location is set also on the said testing table to the foregoing description.Scale is set can accurately be positioned bearing or support, improves test efficiency.
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although the utility model is specified with reference to preferred embodiment; But those of ordinary skill in the art makes amendment to the technical scheme of the utility model or is equal to replacement, and does not break away from the aim and the scope of the utility model technical scheme, and it all should be encompassed in the middle of the claim scope of the utility model.
Claims (4)
1. an aluminium alloy extrusions pushes weld seam destructive test device; It is characterized in that: comprise testing table (1) but and be arranged on the bearing (2) on the testing table with the mode that along continuous straight runs moves, the testing table top be provided with can be vertically the pressure head (3) of load application downwards.
2. aluminium alloy extrusions extruding weld seam destructive test device according to claim 1, it is characterized in that: said pressure head (3) is a wedge structure, and the head radius R of wedge shaped pressure head is not less than 4mm.
3. aluminium alloy extrusions according to claim 2 extruding weld seam destructive test device is characterized in that: also comprise the fixed support (4) that is used for fixing the complicated shape test specimen, the use that cooperatively interacts of fixed support (4) and bearing (3).
4. aluminium alloy extrusions extruding weld seam destructive test device according to claim 3 is characterized in that: the scale that the auxiliary support location also is set on the said testing table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120257407 CN202158994U (en) | 2011-07-20 | 2011-07-20 | Destructive test device for squeezed weld joints of aluminum alloy sectional bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120257407 CN202158994U (en) | 2011-07-20 | 2011-07-20 | Destructive test device for squeezed weld joints of aluminum alloy sectional bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202158994U true CN202158994U (en) | 2012-03-07 |
Family
ID=45766626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120257407 Expired - Fee Related CN202158994U (en) | 2011-07-20 | 2011-07-20 | Destructive test device for squeezed weld joints of aluminum alloy sectional bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202158994U (en) |
-
2011
- 2011-07-20 CN CN 201120257407 patent/CN202158994U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120307 Termination date: 20180720 |