CN103900924A - Erosion test fixing device with curvature adjustable heterogeneous cooperative erosion-resisting wear-resisting structure - Google Patents
Erosion test fixing device with curvature adjustable heterogeneous cooperative erosion-resisting wear-resisting structure Download PDFInfo
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- CN103900924A CN103900924A CN201410153400.6A CN201410153400A CN103900924A CN 103900924 A CN103900924 A CN 103900924A CN 201410153400 A CN201410153400 A CN 201410153400A CN 103900924 A CN103900924 A CN 103900924A
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Abstract
The invention discloses an erosion test fixing device with a curvature adjustable heterogeneous cooperative erosion-resisting wear-resisting structure. The device consists of slide blocks, a base, bolts and screws, wherein two sides of the curvature adjustable heterogeneous cooperative erosion-resisting wear-resisting structure are respectively provided with holes with the diameters identical to the those of threads of the bolts, each side is provided with two holes, two side surfaces of the base are respectively provided with a scale plate, each scale plate is provided with a sealed groove, and two sides of the base are respectively provided with a track groove; the side surface of an intermediate cuboid of the slide block is provided with a through sealed groove, the bolts run through the through sealed grooves to be screwed into the holes, and the side surfaces of cuboids on two sides of the slide block are respectively provided with threaded holes which are matched with the screws; the two slide blocks are respectively arranged in the track grooves in two sides of the base to be fixedly connected with the base through the screws, two ends of the curvature adjustable heterogeneous cooperative erosion-resisting wear-resisting structure are respectively fixedly connected with the slide blocks through the bolts, and the curvature adjustable heterogeneous cooperative erosion-resisting wear-resisting structure is in a curved state. By adopting the device, the limitation that the curvature of the erosion wear test sample cannot be adjusted can be overcome, and the adjustable fixing device is used for the erosion wear test under the specific condition, so that the influence on the erosion abrasion rate caused by the curvature of a test sample can be acquired.
Description
Technical field
The present invention relates to test apparatus field, be specifically related to erosion resistance tests sample fixing device, particularly the adjustable heterogeneous collaborative erosion-wear-resisting structure erosion test stationary installation of a kind of curvature.
Background technology
Erosive wear is prevalent in the essential industry fields such as iron and steel, generating, cement, petrochemical industry and military project, accounts for 8% left and right of the total wear out failure of commercial production.Domestic and international project technician is mainly the angle from material, improves material surface anti-erosion property, comprises research and development new material, material surface modifying, material surface strengthening processing etc., but the technical matters complexity of above method means, the effect that erosion-wear-resisting improves is limited.The method of improving material erosive resistance from the angle of structure is also only confined to process in the plane ad hoc structure, and lacks the experimental study for the adjustable heterogeneous collaborative erosion-wear-resisting structure erosion-wear-resisting performance of the curvature described in the present invention.At present both at home and abroad the stationary installation of erosion test has bolt to fix, and fluid pressure type is locked etc., and above-mentioned test specimen stationary installation all can not meet the fixing requirement of the sample of erosion test described in the present invention.For fear of the limitation of conventional art means, seek its erosion-wear-resisting performance from changing material monolithic structure angle, and provide a kind of sample curvature to regulate stationary device to have great significance for erosion resistance tests.
Summary of the invention
The object of this invention is to provide the adjustable heterogeneous collaborative erosion-wear-resisting structure erosion test stationary installation of a kind of curvature, the present invention is directed to the research of the adjustable heterogeneous collaborative erosion-wear-resisting structure Anti-erosion wear test of curvature its stationary installation is provided, can coordinate tester for testing scouring wear to carry out erosion resistance tests.
The present invention is made up of slide block, base, bolt and screw, the both sides of heterogeneous collaborative erosion-wear-resisting structure that curvature is adjustable have the hole identical with bolt thread diameter, and every side has two holes, and base two sides have scale, scale offers enclosed slot, and the both sides of base offer orbital groove; In the middle of slide block, rectangular parallelepiped side opening is provided with penetrating enclosed slot, and bolt is screwed onto in hole through penetrating enclosed slot, and the side opening of slide block both sides rectangular parallelepiped is provided with the threaded hole with screw fit; Two slide blocks lay respectively in the orbital groove of base both sides and are screwed with base, and two ends of heterogeneous collaborative erosion-wear-resisting structure that curvature is adjustable are fixed with bolt with this slide block respectively, and curvature is adjustable, and heterogeneous collaborative erosion-wear-resisting structure is case of bending.
Described curvature is adjustable, and heterogeneous collaborative erosion-wear-resisting structure is made up of two kinds of dissimilar materials, and the matrix material that is positioned at bottom is that RTV-2 silicon rubber adds the curing solid silicone forming of hardening agent, and upper layer of material is
AL6061 alloy hard unit, some hard unit is connected with seccotine with matrix material.
Scale is recorded the distance m between the adjustable heterogeneous collaborative erosion-wear-resisting structure of curvature both sides, the xsect of heterogeneous collaborative erosion-wear-resisting structure that curvature is adjustable obtains with tape measure for arc length l outward, the value of above-mentioned m just represents the corresponding chord length of peripheral protective, then according to the relational expression of sample curvature ρ and arc length l and chord length m
try to achieve the curvature of the adjustable heterogeneous collaborative erosion-wear-resisting structure 1 of curvature.Shift out again the curvature of this structure onto.
The course of work of the present invention and principle are: first a slide block and base are screwed, again by one end of adjustable curvature heterogeneous collaborative erosion-wear-resisting structure therewith slide block fix, by adjustable curvature heterogeneous collaborative erosion-wear-resisting structural bending to a certain extent, again itself and another one slide block are fixed with bolt, finally with screw, this slide block and base are fixed, record the distance between the adjustable heterogeneous collaborative erosion-wear-resisting structure of the curvature shown in scale both sides, then shift out the curvature of this structure onto.Specifically shifting relational expression onto is:
Above two formulas of simultaneous can obtain,
In above formula, m is scale registration, and l is the outer arc length of the adjustable heterogeneous collaborative erosion-wear-resisting structure xsect of curvature.Obtain thus the curvature of sample, after carrying out erosion test, draw the relation of its curvature and erosive wear rate.
Beneficial effect of the present invention:
The present invention has overcome the uncontrollable limitation of existing erosion resistance tests sample curvature, from the angle of the adjustable heterogeneous synergetic structure of curvature, coordinate the erosion resistance tests under described adjustable fixing device and specified conditions, can obtain the impact of sample curvature on its erosive wear rate of wear.
Accompanying drawing explanation
Fig. 1 is schematic perspective view of the present invention.
Fig. 2 is the adjustable heterogeneous collaborative erosion-wear-resisting structural upright schematic diagram of curvature of the present invention.
Fig. 3 is base schematic perspective view of the present invention.
Fig. 4 is slide block schematic perspective view of the present invention.
Fig. 5 is the principle schematic of asking for the adjustable heterogeneous collaborative erosion-wear-resisting structure of curvature.
Embodiment
As shown in Figure 1, the present invention is made up of slide block 2, base 3, bolt 4 and screw 5, as shown in Figure 2, curvature is adjustable, and heterogeneous collaborative erosion-wear-resisting structure 1 is made up of two kinds of dissimilar materials, the matrix material A that is positioned at bottom is that RTV-2 silicon rubber adds the curing solid silicone forming of hardening agent, upper layer of material B is AL6061 alloy hard unit, and some hard unit is connected with seccotine with matrix material; The both sides of heterogeneous collaborative erosion-wear-resisting structure 1 that curvature is adjustable have the hole C identical with bolt 4 diameter of screw, and every side has two hole C.As shown in Figure 3, base 3 two sides have scale 6, and scale 6 offers enclosed slot 7, and the both sides of base 2 offer orbital groove 8.
As shown in Figure 4, in the middle of slide block 2, rectangular parallelepiped side opening is provided with penetrating enclosed slot 9, and bolt 4 is screwed onto in the C of hole through penetrating enclosed slot 9, and the side opening of slide block 2 both sides rectangular parallelepipeds 10 is provided with the threaded hole 11 coordinating with screw 5; Two slide blocks 2 lay respectively in the orbital groove 8 of base 2 both sides fixing with base 3 use screws 5, two ends of heterogeneous collaborative erosion-wear-resisting structure 1 that curvature is adjustable are fixing with these slide block 2 use bolts 4 respectively, and curvature is adjustable, and heterogeneous collaborative erosion-wear-resisting structure 1 is case of bending.
Scale 6 is recorded the distance m between the adjustable heterogeneous collaborative erosion-wear-resisting structure of curvature both sides.As shown in Figure 5, the xsect of heterogeneous collaborative erosion-wear-resisting structure 1 that curvature is adjustable obtains with tape measure for arc length l outward, and the value of above-mentioned m just represents the corresponding chord length of peripheral protective, then according to the relational expression of sample curvature ρ and arc length l and chord length m
try to achieve the curvature of the adjustable heterogeneous collaborative erosion-wear-resisting structure 1 of curvature.Shift out again the curvature of this structure onto.
The course of work of the present embodiment and principle:
First a slide block 2 is fixing with base 3 use screws 5, by one end of adjustable curvature heterogeneous collaborative erosion-wear-resisting structure 1, slide block 2 use bolts 4 are fixing therewith again, adjustable curvature heterogeneous collaborative erosion-wear-resisting structure 1 is bent to a certain degree, again by fixing to itself and another one slide block 2 use bolts 4, finally with screw 5, this slide block 2 is fixing with base 3, record the distance m between the adjustable heterogeneous collaborative erosion-wear-resisting structure of the curvature shown in scale 6 both sides.
As shown in Figure 5, the xsect of heterogeneous collaborative erosion-wear-resisting structure 1 that curvature is adjustable obtains with tape measure for arc length l outward, and the value of above-mentioned m just represents the corresponding chord length of peripheral arc, then according to the relational expression of sample curvature ρ and arc length l and chord length m
try to achieve the curvature of the adjustable heterogeneous collaborative erosion-wear-resisting structure 1 of curvature.
In above formula, m is scale registration, and l is the outer arc length of the adjustable heterogeneous collaborative erosion-wear-resisting structure xsect of curvature, and r is the radius of the corresponding round O of outer arc length l, the radian that θ is outer arc length l, and the distance between EF is the corresponding chord length m of outer arc length, i.e. scale registration.Obtain thus the curvature of sample, after carrying out erosion test, draw the relation of its curvature and erosive wear rate.
Claims (2)
1. the adjustable heterogeneous collaborative erosion-wear-resisting structure erosion test stationary installation of curvature, it is characterized in that: formed by slide block, base, bolt and screw, the both sides of heterogeneous collaborative erosion-wear-resisting structure that curvature is adjustable have the hole identical with bolt thread diameter, every side has two holes, base two sides have scale, scale offers enclosed slot, and the both sides of base offer orbital groove; In the middle of slide block, rectangular parallelepiped side opening is provided with penetrating enclosed slot, and bolt is screwed onto in hole through penetrating enclosed slot, and the side opening of slide block both sides rectangular parallelepiped is provided with the threaded hole with screw fit; Two slide blocks lay respectively in the orbital groove of base both sides and are screwed with base, and two ends of heterogeneous collaborative erosion-wear-resisting structure that curvature is adjustable are fixed with bolt with this slide block respectively, and curvature is adjustable, and heterogeneous collaborative erosion-wear-resisting structure is case of bending.
2. the adjustable heterogeneous collaborative erosion-wear-resisting structure erosion test stationary installation of a kind of curvature according to claim 1, it is characterized in that: described curvature is adjustable, and heterogeneous collaborative erosion-wear-resisting structure is to be made up of two kinds of dissimilar materials, the matrix material that is positioned at bottom is that RTV-2 silicon rubber adds the curing solid silicone forming of hardening agent, upper layer of material is AL6061 alloy hard unit, and some hard unit is connected with seccotine with matrix material.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374249A (en) * | 2014-10-29 | 2015-02-25 | 宁波大学 | Wear measuring device and measuring method for wedging section border edge of cross wedge rolling die |
| CN110567804A (en) * | 2019-07-26 | 2019-12-13 | 中国航空工业集团公司济南特种结构研究所 | Radar cover static test reusable variable curvature loading structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374249A (en) * | 2014-10-29 | 2015-02-25 | 宁波大学 | Wear measuring device and measuring method for wedging section border edge of cross wedge rolling die |
| CN110567804A (en) * | 2019-07-26 | 2019-12-13 | 中国航空工业集团公司济南特种结构研究所 | Radar cover static test reusable variable curvature loading structure |
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