CN106018546A - Test piece assisting device for checking magnetic particle testing sensitivity - Google Patents
Test piece assisting device for checking magnetic particle testing sensitivity Download PDFInfo
- Publication number
- CN106018546A CN106018546A CN201610547480.2A CN201610547480A CN106018546A CN 106018546 A CN106018546 A CN 106018546A CN 201610547480 A CN201610547480 A CN 201610547480A CN 106018546 A CN106018546 A CN 106018546A
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- China
- Prior art keywords
- test piece
- seat support
- card seat
- support
- magnetic testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
- G01N27/84—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields by applying magnetic powder or magnetic ink
Abstract
The invention discloses a test piece assisting device for checking the magnetic particle testing sensitivity. The test piece assisting device comprises a clamping seat support and a fixing support, wherein the clamping seat support is located below the fixing support, a clamping seat is arranged at the lower end of the clamping seat support, and a buffer structure is arranged on the clamping seat support. The clamping seat support and the fixing support are connected by adopting a supporting rod structure, the clamping seat support is provided with a clamping seat and a buffer structure, and the problem that the device is likely subjected to the surface conditions of a tested workpiece is solved. The supporting rod connecting structure is of a hollow rod structure, the weight is reduced, convenience is brought to carrying, and the supporting rod connecting structure enables an enough view field. Vertical supporting rods of the fixing support can be inserted into vertical supporting rods of the clamping seat support and are fixed through fastener structures, the height of the device can be adjusted according to the actual demand, and the device is convenient to carry and can be repeatedly utilized. An abrasion-preventing pad is arranged at the upper end of the fixing support and can relieve bumps and frictions between a magnetic particle testing device and the fixing support and prolong the service life of the magnetic particle testing device and the device.
Description
Technical field
The present invention relates to detection sensitivity verification field, especially relate to a kind of test piece auxiliary device for Magnetic testing sensitivity check.
Background technology
The Calibration Piece for Sensitivity of Magnetic testing is for checking the combination property of Magnetic testing equipment, magnetic powder, magnetic flaw detection ink.Using before workpiece detects by magnetic powder detection method, need to use Calibration Piece for Sensitivity that detecting system sensitivity is verified, verify qualified after workpiece could be detected.
At present, Magnetic testing generally uses the A1-15/50 type Calibration Piece for Sensitivity of DT4A ultra-pure low-carbon (LC) pure iron material to verify magnetic particle testing system.The tagger of straight line and circular stria that Calibration Piece for Sensitivity is typically carved with certain depth by side is made, as shown in Figure 1.A1-15/50 type Calibration Piece for Sensitivity is that a length of 20mm, thickness are the square of 50um on one side, the circular cutting of one a diameter of 10mm is set with square center for the center of circle, with the center of circle as intersection point, arranging with the cross cutting of a length of 6mm on one side in circular cutting, the degree of depth of circular cutting and cross cutting is 15um.Using Calibration Piece for Sensitivity is that test piece has the one side of cutting be adjacent to the surface of examined workpiece to the method that detecting system sensitivity verifies, and then magnetizes workpiece and applies magnetic powder.If Magnitizing method, normative choice are proper, test piece another side should be able to be seen the magnetic particle indications corresponding with cutting.
But; during actually detected; the surface of examined workpiece can not reach the condition that standard specifies; even have the situation such as rough surface, in irregular shape, dust stratification, accumulated slag; if the Calibration Piece for Sensitivity disclosed in prior art being pasted onto the surface of this kind of workpiece; test piece would generally be caused can not to fit tightly with surface of the work, affect the effect of sensitivity check；On the other hand, existing method is to use adhesive tape that test piece is pasted onto on examined workpiece surface, adhesive tape is torn from test piece again, during this, extremely easily very thin test piece is caused breakage, folding line etc. after verification.Therefore, existing Calibration Piece for Sensitivity in use complex operation, affected adhesive tape relatively big, that used by examined workpiece surface condition and can not be reused and waste time and energy, thus bring the biggest trouble to the staff of Site Detection.The present invention is exactly to make under this background.
Summary of the invention
For the problems referred to above, the invention provides a kind of by examined workpiece surface condition affected less, be convenient for carrying and the reusable test piece auxiliary device for Magnetic testing sensitivity check.
The present invention solves that its technical problem be the technical scheme is that
A kind of test piece auxiliary device for Magnetic testing sensitivity check, including card seat support and fixed support, described card seat support is positioned at below fixed support, the lower end of described card seat support is provided with and test piece can be made to fix and can make the deck that test piece and test specimen are adjacent to, and described card seat support is provided with the buffer structure that can the most freely stretch.
As the further improvement of such scheme, described card seat support and fixed support are pole attachment structure.
As the further improvement of such scheme, described card seat support and support bracket fastened pole attachment structure all include vertical pole and the horizontal strut being connected between adjacent upright pole, and described vertical pole and horizontal strut are hollow stem.
As the further improvement of such scheme, described fixed support is arranged on above described card seat support by an adjustable location structure.
As the further improvement of such scheme, described deck is arranged on the vertical pole lower end of card seat support, and can the vertical pole around its place rotate for facilitating the placement of test piece and fixing.
As the further improvement of such scheme, described buffer structure is the elastic extension structure being internally provided with flexible member, and buffer structure two ends are connected with the vertical pole of described card seat support.
Further improvement as such scheme, described adjustable location structure uses buckle structure, buckle structure is arranged on described deck pedestal upper end, and include fixing bayonet socket and movable snap close, the external diameter of the vertical pole of described fixed support is less than the internal diameter of the described vertical pole of card seat support, and described support bracket fastened vertical pole be can be inserted in the vertical pole of described card seat support and fixed by buckle structure.
As the further improvement of such scheme, described fixed support upper end is provided with anti-abrasion pad for alleviating Magnetic testing instrument to support bracket fastened collision and friction.
As the further improvement of such scheme, described hollow stem is high-strength low-density material.
The invention has the beneficial effects as follows: the invention discloses a kind of test piece auxiliary device for Magnetic testing sensitivity check, its card seat support and fixed support use branching rod structure to connect, deck pedestal lower end is provided with fixing test piece the deck making test piece and test specimen be held against, and it is provided with buffer structure in the middle part of its vertical pole, efficiently solve easily by problems such as examined workpiece surface condition are affected, it is to avoid the sensitivity check failure caused because of surface of test piece situation；
In addition, card seat support and fixed support are arranged to pole attachment structure, pole attachment structure is hollow bar structure, alleviate installation weight, it is convenient for carrying use, and pole attachment structure makes to have enough field of view during Magnetic testing sensitivity check, it is simple to quickly judge the effect of sensitivity check；Fixed support is arranged on above described card seat support by an adjustable location structure, adjustable location structure uses buckle structure, support bracket fastened vertical pole be can be inserted in the vertical pole of described card seat support and fixed by buckle structure, can adjusting apparatus height and being convenient for carrying, repeatable utilization according to the actual requirements；
Further, fixed support upper end is provided with anti-abrasion pad, therefore when operating heavy Magnetic testing instrument, can alleviate Magnetic testing instrument and support bracket fastened collision and friction, extend Magnetic testing instrument and the service life of device.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in describing embodiment below, the required accompanying drawing used is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present invention rather than whole embodiment, and those skilled in the art is not on the premise of paying creative work, it is also possible to other designs obtained according to these accompanying drawings and accompanying drawing:
Fig. 1 is the structural representation of present pre-ferred embodiments.
Detailed description of the invention
Below with reference to embodiment and accompanying drawing, the technique effect of design, concrete structure and the generation of the present invention is clearly and completely described, to be completely understood by the purpose of the present invention, feature and effect.Obviously; described embodiment is a part of embodiment of the present invention rather than whole embodiment, based on embodiments of the invention; other embodiments that those skilled in the art is obtained on the premise of not paying creative work, belong to the scope of protection of the invention.
With reference to Fig. 1, a kind of test piece auxiliary device for Magnetic testing sensitivity check, including card seat support 1 and fixed support 2, described card seat support 1 and fixed support 2 are pole attachment structure, and fixed support 2 is positioned at the top of card seat support 1.Preferably, described card seat support 1 is provided with four isometric vertical poles and respectively arranges four isometric horizontal struts at card seat support 1 upper and lower side, and pole is connected with each other the structural stability ensureing card seat support 1.Every vertical pole upper end of card seat support 1 is provided with an adjustable location structure, preferably, described adjustable location structure is buckle structure 3, described buckle structure 3 includes fixing bayonet socket and movable snap close, described adjustable location structure, in addition to being arranged to buckle structure 3, may also be arranged to other structures such as socket type structural；A buffer structure 5 that can freely stretch to adapt to different surfaces it is provided with in the middle part of every vertical pole of card seat support 1, described buffer structure 5 is set to elastic extension structure, it is internally provided with flexible member such as spring, the distance of stretch out and draw back of buffer structure 5 is one to three millimeters, can freely regulate distance of stretch out and draw back according to the surface texture of test specimen；The vertical pole lower end of card seat support 1 is provided with and test piece can be made to fix and make the deck 4 that test specimen is close in test piece, and described deck 4 can the vertical pole around its place rotate for facilitating the placement of test piece and fixing.Fixed support 2 be provided with four isometric vertical poles and thereon end be provided with four isometric horizontal struts, be provided with anti-abrasion pad 6 in the middle part of every horizontal strut for alleviating Magnetic testing instrument to the collision of fixed support 2 and friction.
Described card seat support 1 is connected by buckle structure 3 with described fixed support 2,
Described pole attachment structure is hollow bar structure, the vertical pole internal diameter of described card seat support 1 is than big one to two millimeters of the vertical pole external diameter of fixed support 2, form matched in clearance, and card seat support 1 is arranged through the fixing telescopic structure of buckle structure 3 with respective four vertical pole one_to_one corresponding of fixed support 2, during i.e. the vertical pole of fixed support 2 can be inserted into the vertical pole of card seat support 1, and the buckle structure 3 suitable height of fixed adjustment can be passed through.
When the present invention uses, first unscrewing the snap close of each buckle structure 3, then regulate the height of fixed support 2, the whole height making device is higher one to two millimeters than the probe of the Magnetic testing instrument of use joined together, then tightens snap close and makes fixed support 2 fix.Test piece is placed on deck 4, the angle of turn deck 4, makes test piece be fixed on deck 4.Device is put under Magnetic testing instrument, somewhat exerts oneself from Magnetic testing instrument, make test piece be close to surface of test piece, the sensitivity check of Magnetic testing can be carried out.
Described above-described embodiment is that the foregoing to the present invention is further described, but this should not being interpreted as, the scope of the above-mentioned theme of the present invention is only limitted to above-described embodiment, and all technology realized based on foregoing belong to the scope of the present invention.
Claims (9)
1. the test piece auxiliary device for Magnetic testing sensitivity check, it is characterized in that: include card seat support (1) and fixed support (2), described card seat support (1) is positioned at fixed support (2) lower section, the lower end of described card seat support (1) is provided with test piece can be made to fix and can make deck (4) that test piece and test specimen are adjacent to, and described card seat support (1) is provided with the buffer structure (5) that can the most freely stretch.
A kind of test piece auxiliary device for Magnetic testing sensitivity check the most according to claim 1, it is characterised in that: described card seat support (1) and fixed support (2) are pole attachment structure.
A kind of test piece auxiliary device for Magnetic testing sensitivity check the most according to claim 2, it is characterized in that: the pole attachment structure of described card seat support (1) and fixed support (2) all includes vertical pole and the horizontal strut being connected between adjacent upright pole, described vertical pole and horizontal strut are hollow stem.
A kind of test piece auxiliary device for Magnetic testing sensitivity check the most according to claim 3, it is characterised in that: described fixed support (2) is arranged on described card seat support (1) top by an adjustable location structure.
A kind of test piece auxiliary device for Magnetic testing sensitivity check the most according to claim 3, it is characterized in that: described deck (4) is arranged on the vertical pole lower end of card seat support (1), and can the vertical pole around its place rotate for facilitating the placement of test piece and fixing.
A kind of test piece auxiliary device for Magnetic testing sensitivity check the most according to claim 3, it is characterized in that: described buffer structure (5) is the elastic extension structure being internally provided with flexible member, and buffer structure (5) two ends are connected with the vertical pole of described card seat support (1).
A kind of test piece auxiliary device for Magnetic testing sensitivity check the most according to claim 4, it is characterized in that: described adjustable location structure uses buckle structure (3), buckle structure (3) is arranged on described card seat support (1) upper end, and include fixing bayonet socket and movable snap close, the external diameter of described fixed support (2) vertically pole is less than the internal diameter of described card seat support (1) vertically pole, and the vertical pole of described fixed support (2) can be inserted in the vertical pole of described card seat support (1) and fixing by buckle structure (3).
A kind of test piece auxiliary device for Magnetic testing sensitivity check the most according to claim 1, it is characterised in that: described fixed support (2) upper end is provided with anti-abrasion pad (6) and is used for alleviating Magnetic testing instrument to the collision of fixed support (2) and friction.
A kind of test piece auxiliary device for Magnetic testing sensitivity check the most according to claim 3, it is characterised in that: described hollow stem is high-strength low-density material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547480.2A CN106018546B (en) | 2016-07-11 | 2016-07-11 | Test piece auxiliary device for magnetic powder detection sensitivity verification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547480.2A CN106018546B (en) | 2016-07-11 | 2016-07-11 | Test piece auxiliary device for magnetic powder detection sensitivity verification |
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| CN106018546A true CN106018546A (en) | 2016-10-12 |
| CN106018546B CN106018546B (en) | 2023-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610547480.2A Active CN106018546B (en) | 2016-07-11 | 2016-07-11 | Test piece auxiliary device for magnetic powder detection sensitivity verification |
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Cited By (2)
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| CN108088897A (en) * | 2017-12-01 | 2018-05-29 | 中车长江车辆有限公司 | For detecting the detection method of the production method of magnetic particle testing system overall sensitivity verification sample and sensitivity |
| CN113552210A (en) * | 2021-08-26 | 2021-10-26 | 宝武杰富意特殊钢有限公司 | Sensitivity test piece placing device for magnetic powder detection and verification and using method thereof |
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| CN113552210A (en) * | 2021-08-26 | 2021-10-26 | 宝武杰富意特殊钢有限公司 | Sensitivity test piece placing device for magnetic powder detection and verification and using method thereof |
| CN113552210B (en) * | 2021-08-26 | 2023-05-30 | 宝武杰富意特殊钢有限公司 | Sensitivity test piece placement device for magnetic powder detection and verification and application method thereof |
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| Publication number | Publication date |
|---|---|
| CN106018546B (en) | 2023-09-01 |
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