CN103954497B - A kind of multi-functional to grinding jig for on-line measurement material friction-abrasion tester - Google Patents

A kind of multi-functional to grinding jig for on-line measurement material friction-abrasion tester Download PDF

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Publication number
CN103954497B
CN103954497B CN201410208491.9A CN201410208491A CN103954497B CN 103954497 B CN103954497 B CN 103954497B CN 201410208491 A CN201410208491 A CN 201410208491A CN 103954497 B CN103954497 B CN 103954497B
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China
Prior art keywords
screwed hole
ball
abrading
mill
rod
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Expired - Fee Related
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CN201410208491.9A
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CN103954497A (en
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孟凡明
程志涛
陈原培
匡芳
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Chongqing University
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Chongqing University
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Abstract

The invention discloses a kind of multi-functional to grinding jig for on-line measurement material friction-abrasion tester, comprise supporting rod, cover fishplate bar, dress ball plate, interchangeable of rectangle plane, interchangeable of flat round pin, adjusting screw(rod) and to abrading-ball. Of the present invention to grinding jig employing modularized design, by seven kinds of simple parts just can be assembled into three kinds for the test of dissimilar friction and wear behavior to grinding jig, simple in structure, diverse in function, the process of seven kinds of basic parts is simple simultaneously, be easy to manufacture, cost is relatively cheap, has good economic benefit; Three kinds of dissimilar mill parts (to mill rectangle plane, to abrading-ball, to mill pin) all can be dismantled to grinding jig, in the time that mill parts are damaged because of fretting wear, it is convenient to mill parts are changed, simultaneously also can by change different size to mill parts, the impact of this variable of research friction pair contact area on friction and wear test results, wide to the variable size range of mill parts.

Description

A kind of multi-functional to grinding jig for on-line measurement material friction-abrasion tester
Technical field
The invention belongs to clamping fixture head design studies technical field, particularly relate to a kind of multi-functional to grinding jig for on-line measurement material friction-abrasion tester.
Background technology
Fretting wear is widely used in various plant equipment, approximately has the energy resource consumption of 1/3-1/2 in various forms of frictions every year in the world according to statistics. along with going deep into of mechanical friction research, domestic and international market is for the demand increasingly significant of Multi-functional transmission part Tribological Test system, the multi-functional on-line measurement material friction-abrasion tester of MFT-5000 type that RTEC company of the U.S. produces is exactly a kind of integrated system that can simultaneously carry out multiple tribological property test, this system equipment is mainly used in various films/coatings by pressing/draw/grinding and wait its bond strength of test, surface roughness, fracture toughness, creep, lubricated/antiwear characteristics, impact resistance, anti-scratch ability, resistance to corrosion, inefficacy and fatigue etc., lubrication property and stick-slip characteristic to solid-state or liquid lubricating oil (fat) are evaluated, electrically contacting of various materials evaluated, and simultaneously it can also provide various desirable detecting patterns, such as the various working condition simulation tests in classical friction, as ball to ball, ball to dish, pin to dish, ring to piece and dish to coiling etc., in situ detection when it can also realize multi-signal in addition: frictional force, friction system, load, moment of torsion, critical load, surface contacted resistance, electric capacity, surface acoustic wave, temperature and wear extent etc. under the test of this testing machine, sample platform can move in XY direction simultaneously, also can rotate around Z axis, realizes the compound motion of XYZ tri-axles, detects the compound friction of three kinds of motions under simultaneously the carrying out movement locus that weares and teares.
Although this device systems diverse in function, signal kinds can be surveyed various, but its each fixture can only carry out a kind of friction-wear test, function singleness, and each fixture can clamp narrow to mill part dimension scope, in addition, as import equipment, the fixture of this system is very expensive, only a bulb fixture price is even up to 5000 dollars, in view of the function singleness of this system clamp existence, narrow to mill part dimension scope, the shortcomings such as price is high, be necessary to design a kind of diverse in function, wide to mill part dimension scope, relative low price to grinding jig.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of diverse in function,, relative low price wide to mill part dimension scope to grinding jig, for the defect such as make up function singleness that the conventional brace that uses on multi-functional on-line measurement material friction-abrasion tester exists, narrow to mill part dimension scope, price is high.
In order to solve the problems of the technologies described above, the present invention has adopted following technical scheme: a kind of multi-functional to grinding jig for on-line measurement material friction-abrasion tester, comprises supporting rod, cover fishplate bar, dress ball plate, interchangeable of rectangle plane, interchangeable of flat round pin, adjusting screw(rod) and to abrading-ball; One end of described supporting rod is with externally threaded thread head;
On described cover fishplate bar, submarginal position has several along the first screwed hole circumferentially distributing, and the center of cover fishplate bar upper surface has the sleeving connecting rod raising up, and the top of described sleeving connecting rod has the second screwed hole matching with thread head; The centre of cover fishplate bar lower surface has locating groove, and the two ends of described locating groove have the 3rd screwed hole; In sleeving connecting rod, have the 4th screwed hole, described the 4th screwed hole is communicated with locating groove;
On described dress ball plate, have several and the first screwed hole dormant bolt hole one to one, Zhuan Qiuban center has locating hole, and the diameter of described locating hole is greater than the diameter to abrading-ball; The bottom of locating hole has and the closing in that abrading-ball is coordinated, and the bore of described closing in is less than the diameter to abrading-ball;
Interchangeable of described rectangle plane comprises the base plate matching with locating groove and is positioned at the middle part of base plate and forms protruding rectangular block, and the two ends of described base plate have five screwed hole corresponding with the 3rd screwed hole;
Interchangeable of described flat round pin comprises the base that matches with locating groove, is positioned at the center of base and forms protruding key seat and be detachably connected on the straight pin at key seat top, and the two ends of described base have six screwed hole corresponding with the 3rd screwed hole;
Described adjusting screw(rod) matches with the 4th screwed hole, and adjusting screw(rod) can extend in locating hole through locating groove, and the lower end of adjusting screw(rod) has and the ball recess that abrading-ball is coordinated.
Beneficial effect of the present invention is:
1, of the present invention to grinding jig employing modularized design, by seven kinds of simple parts just can be assembled into three kinds for the test of dissimilar friction and wear behavior to grinding jig, simple in structure, diverse in function, the process of seven kinds of basic parts is simple simultaneously, be easy to manufacture, cost is relatively cheap, has good economic benefit.
2, three kinds of dissimilar mill parts (to mill rectangle plane, to abrading-ball, to mill pin) all can be dismantled to grinding jig, in the time that mill parts are damaged because of fretting wear, it is convenient to mill parts are changed, simultaneously also can by change different size to mill parts, the impact of this variable of research friction pair contact area on friction and wear test results, wide to the variable size range of mill parts.
Brief description of the drawings
Fig. 1 a is the front view of supporting rod in the present invention; Fig. 1 b is the upward view of supporting rod in the present invention;
Fig. 2 a is the front view that overlaps fishplate bar in the present invention; Fig. 2 b is the side view that overlaps fishplate bar in the present invention;
Fig. 2 c is the top view that overlaps fishplate bar in the present invention; Fig. 3 a is the front view that fills ball plate in the present invention;
Fig. 3 b is the top view that fills ball plate in the present invention; Fig. 4 a is the front view of interchangeable of rectangle plane in the present invention;
Fig. 4 b is the upward view of interchangeable of rectangle plane in the present invention;
Fig. 5 a is the front view of interchangeable of flat round pin in the present invention;
Fig. 5 b is the upward view of interchangeable of flat round pin in the present invention;
Fig. 6 is the front view of adjusting screw(rod) in the present invention; Fig. 7 is the front view to abrading-ball in the present invention;
Fig. 8 has the structural representation of rectangle plane to mill parts after assembling;
Fig. 9 has the spherical structural representation to mill parts after assembling;
Figure 10 has the structural representation of flat round pin to mill parts after assembling.
Note: the threaded connector that connects each part in figure does not draw.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Referring to accompanying drawing, a kind of multi-functional to grinding jig for on-line measurement material friction-abrasion tester, comprise supporting rod 1, cover fishplate bar 2, dress ball plate 3, interchangeable 4 of rectangle plane, interchangeable 5 of flat round pin, adjusting screw(rod) 6 and to abrading-ball 7, wherein, supporting rod 1 can be square pole or round bar, and in the present embodiment, supporting rod 1 is step-like round bar, the diameter of supporting rod 1 lower end is less than the diameter of upper end, and the lower end of supporting rod 1 is with externally threaded thread head 1a.
The shape of cover fishplate bar 2 can be any one in rectangle, square or circle, and in the present embodiment, cover fishplate bar 2 is square, and respectively has a first screwed hole 2a on four angles of cover fishplate bar 2; The center of cover fishplate bar 2 upper surfaces has the sleeving connecting rod 21 raising up, the top of sleeving connecting rod 21 has the second screwed hole 21a matching with thread head 1a, sleeving connecting rod 21 can be square pole or round bar, in the present embodiment, in order to keep corresponding with supporting rod 1, sleeving connecting rod 21 is round bar, and the diameter of sleeving connecting rod 21 is identical with the diameter of supporting rod 1 upper end; The centre of cover fishplate bar 2 lower surfaces has locating groove 2b, the two ends of locating groove 2b respectively have a 3rd screwed hole 2c, locating groove 2b is in order to match with the base plate of interchangeable 5 of interchangeable 4 of rectangle plane and flat round pin, and therefore locating groove 2b can be designed to rectangle, circle or the arbitrary shape such as oval as required; In sleeving connecting rod 21, there is the 4th screwed hole 2d, the 4th screwed hole 2d is communicated with locating groove 2b, in the present embodiment, locating groove 2b is rectangle, and the width of locating groove 2b is greater than the external diameter of adjusting screw(rod) 6, adjusting screw(rod) 6 matches with the 4th screwed hole 2d, and adjusting screw(rod) 6 can extend in the locating hole 3b at dress ball plate 3 centers through locating groove 2b, and the lower end of adjusting screw(rod) 6 has and the ball recess that abrading-ball is coordinated.
The shape of dress ball plate 3 can be any one in rectangle, square or circle, and in the present embodiment, the shape of dress ball plate 3 is consistent with the shape of cover fishplate bar 2, and the length and width of dress ball plate 3 and cover fishplate bar 2 equate; On four angles of dress ball plate 3, respectively have a dormant bolt hole 3a corresponding with the first screwed hole 2a, the center of dress ball plate 3 has locating hole 3b, and the diameter of locating hole 3b is greater than the diameter to abrading-ball 7; The bottom of locating hole 3b has and the closing in 3c that abrading-ball 7 is coordinated, and the bore of closing in 3c is less than the diameter to abrading-ball 7.
Interchangeable 4 of rectangle plane comprises the base plate 4a matching with locating groove 2b and is positioned at the middle part of base plate 4a lower surface and forms protruding rectangular block 4b, rectangular block 4b and base plate 4a are structure as a whole, in the present embodiment, base plate 4a is rectangle, and the consistent size of the size of base plate 4a and locating groove 2b, the two ends of base plate 4a respectively have a five screwed hole 4c corresponding with the 3rd screwed hole 2c.
Interchangeable 5 of flat round pin comprises the base 5a that matches with locating groove 2b, is positioned at the center of base 5a lower surface and forms protruding key seat 51 and be detachably connected on the straight pin 52 at key seat 51 tops, base 5a is rectangle, and the consistent size of the size of base 5a and locating groove 2b, the two ends of base 5a respectively have a six screwed hole 5b corresponding with the 3rd screwed hole 2c; Key seat 51 is cylindrical structural, and on key seat 51, has a screwed hole, and one end of straight pin 52 is with external screw thread, and in the screwed hole that is threaded in key seat 51 of straight pin 52 by end.
By the different piece of seven kinds of parts is combined, can be assembled into three kinds of dissimilar fixtures, be respectively for linear reciprocation face face or rotation face friction-wear test there is the fixture of rectangle plane to mill parts, for the spherical fixture to mill parts of having of linear reciprocation sphere or screw dish friction-wear test with there is the fixture of flat round pin to mill parts for linear reciprocation pin face or rotating dog face friction-wear test.
After assembling, there is rectangle plane to the fixture of mill parts as shown in Figure 8, it is by supporting rod 1, cover fishplate bar 2 and interchangeable 4 of rectangle plane assemble, when assembling, the thread head 1a of supporting rod 1 lower end is rotatably connected in the second screwed hole 21a of sleeving connecting rod 21, the base plate 4a that rectangle plane is interchangeable 4 is embedded in the locating groove 2b of cover fishplate bar 2 lower surfaces, due to the 5th screwed hole 4c at base plate 4a two ends and the 3rd screwed hole 2c position at locating groove 2b two ends corresponding, and the diameter of the 5th screwed hole 4c is greater than the diameter of the 3rd screwed hole 2c, therefore both form shoulder hole, finally by two interior hexagonal dormant bolts, base plate 4a is fixed in locating groove 2b. because interchangeable 4 of rectangle plane removably connects, therefore can be by changing interchangeable size with change rectangular block 4b of different rectangle planes, the impact of this variable of research friction pair contact area on friction and wear test results, wide to the variable size range of mill parts. when fixture work, supporting rod 1 is clamped on testing machine and maintains static, and while doing linear reciprocation face face friction-wear test, test platform can be along X-axis linear reciprocation, while doing rotation face friction-wear test, test platform can rotate around Z axis. it should be noted that the surface of friction pair of mill is easily occurred under back and forth long-time or rotary work state to for surface abrasion phenomenon, therefore after each test, need to the rectangle plane of mill is carried out to grinding again polishing, with the accuracy of guarantee test result.
After assembling, have spherical to mill parts fixture as shown in Figure 9, it is by supporting rod 1, cover fishplate bar 2, dress ball plate 3, adjusting screw(rod) 6 and abrading-ball 7 assembled, when assembling, the thread head 1a of supporting rod 1 lower end is rotatably connected in the second screwed hole 21a of sleeving connecting rod 21, because the first screwed hole 2a on four angles of cover fishplate bar 2 is with to fill dormant bolt hole 3a on four angles of ball plate 3 corresponding one by one, therefore while assembling, by four interior hexagonal dormant bolts, cover fishplate bar 2 and dress ball plate 3 are coupled together, abrading-ball 7 is arranged in the locating hole 3b at dress ball plate 3 centers, due to the restriction of the 3c that is subject to closing up, can not deviate from abrading-ball 7, adjusting screw(rod) 6 is arranged in the 4th screwed hole 2d, the ball recess 6a of adjusting screw(rod) 6 ends withstands abrading-ball 7 is made the position of abrading-ball 7 fix. this kind of fixture can by change different-diameter to abrading-ball, the impact of this variable of contact radius of research sphere friction pair on friction-wear test, wide to the variable size range of mill parts. when fixture work, supporting rod 1 is clamped on testing machine and maintains static, and while doing linear reciprocation sphere friction-wear test, test platform can be along X-axis linear reciprocation, while doing screw dish friction-wear test, test platform can rotate around Z axis. it should be noted that, the surface of friction pair of mill easily be there is under back and forth long-time or rotary work state to surface abrasion phenomenon, therefore after each test, need rotation once to test on abrading-ball is carried out with new unworn position, with the accuracy of guarantee test result.
After assembling, there is flat round pin to the fixture of mill parts as shown in figure 10, it is by supporting rod 1, cover fishplate bar 2 and interchangeable 5 of flat round pin assemble, when assembling, the thread head 1a of supporting rod 1 lower end is rotatably connected in the second screwed hole 21a of sleeving connecting rod 21, the base 5a that flat round pin is interchangeable 5 is embedded in the locating groove 2b of cover fishplate bar 2 lower surfaces, due to the 6th screwed hole 5b at base two ends and the 3rd screwed hole 2c position at locating groove 2b two ends corresponding, and the diameter of the 6th screwed hole 5b is greater than the diameter of the 3rd screwed hole 2c, therefore both form shoulder hole, finally by two interior hexagonal dormant bolts, base 5a is fixed in locating groove 2b. because straight pin 52 is to be detachably connected on key seat 51, the therefore straight pin of replaceable different-diameter, the impact of this variable of research friction pair contact area on friction and wear test results, wide to the variable size range of mill parts. when fixture work, supporting rod 1 is clamped on testing machine and maintains static, and while doing linear reciprocation pin face friction-wear test, test platform can be along X-axis linear reciprocation, while doing rotating dog dish friction-wear test, test platform can rotate around Z axis. it should be noted that, the surface of friction pair of mill easily be there is under back and forth long-time or rotary work state to surface abrasion phenomenon, therefore after each test, need to grinding again polishing are carried out in the flat round pin surface of mill, with the accuracy of guarantee test result.
Finally it should be noted that, above embodiment is only in order to illustrate technical scheme of the present invention but not restriction technologies scheme, although applicant has been described in detail the present invention with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, those are modified or are equal to replacement technical scheme of the present invention, and do not depart from aim and the scope of the technical program, all should be encompassed in the middle of claim scope of the present invention.

Claims (2)

1. multi-functional to grinding jig for on-line measurement material friction-abrasion tester, it is characterized in that, comprise supporting rod (1), cover fishplate bar (2), dress ball plate (3), rectangle plane interchangeable (4), flat round pin interchangeable (5), adjusting screw(rod) (6) and to abrading-ball (7); One end of described supporting rod (1) is with externally threaded thread head (1a);
The upper submarginal position of described cover fishplate bar (2) has several along the first screwed hole (2a) circumferentially distributing, the center of cover fishplate bar (2) upper surface has the sleeving connecting rod (21) raising up, and the top of described sleeving connecting rod (21) has the second screwed hole (21a) matching with thread head (1a); The centre of cover fishplate bar (2) lower surface has locating groove (2b), and the two ends of described locating groove (2b) have the 3rd screwed hole (2c); In sleeving connecting rod (21), have the 4th screwed hole (2d), described the 4th screwed hole (2d) is communicated with locating groove (2b);
On described dress ball plate (3), have several and the first screwed hole (2a) dormant bolt hole (3a) one to one, the center of dress ball plate (3) has locating hole (3b), and the diameter of described locating hole (3b) is greater than the diameter to abrading-ball (7); The bottom of locating hole (3b) has and the closing in (3c) that abrading-ball (7) is coordinated, and the bore of described closing in (3c) is less than the diameter to abrading-ball (7);
Described rectangle plane interchangeable (4) comprises the base plate (4a) matching with locating groove (2b) and is positioned at the middle part of base plate (4a) lower surface and forms protruding rectangular block (4b), and the two ends of described base plate (4a) have five screwed hole (4c) corresponding with the 3rd screwed hole (2c);
Described flat round pin interchangeable (5) comprises the base (5a) that matches with locating groove (2b), is positioned at the center of base (5a) lower surface and forms protruding key seat (51) and be detachably connected on the straight pin (52) at key seat (51) top, and the two ends of described base (5a) have six screwed hole (5b) corresponding with the 3rd screwed hole (2c);
Described adjusting screw(rod) (6) matches with the 4th screwed hole (2d), adjusting screw(rod) (6) can pass locating groove (2b) and extend in locating hole (3b), and the lower end of adjusting screw(rod) (6) has and the ball recess (6a) that abrading-ball (7) is coordinated.
2. a kind of multi-functional to grinding jig for on-line measurement material friction-abrasion tester according to claim 1, is characterized in that, described straight pin (52) is threaded connection on key seat (51).
CN201410208491.9A 2014-05-16 2014-05-16 A kind of multi-functional to grinding jig for on-line measurement material friction-abrasion tester Expired - Fee Related CN103954497B (en)

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CN105352794B (en) * 2015-12-07 2018-01-23 中国矿业大学 The piece fixture that a kind of friction surface adaptively contacts

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CN87200117U (en) * 1987-01-12 1987-11-04 中国石油化工总公司石油化工科学研究院 Friction wear tester
CN102539232A (en) * 2011-12-30 2012-07-04 武汉材料保护研究所 Convertible modular fixture of multifunctional frictional wear testing machine
CN102980802A (en) * 2012-11-16 2013-03-20 上海交通大学 Universal self-adaption fixture for sliding friction-wear test

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Publication number Priority date Publication date Assignee Title
KR101081151B1 (en) * 2009-05-21 2011-11-07 부산대학교 산학협력단 Ring on disk wearing test apparatus
JP5327132B2 (en) * 2010-04-27 2013-10-30 三菱電機株式会社 Wear test apparatus and wear test method

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
CN87200117U (en) * 1987-01-12 1987-11-04 中国石油化工总公司石油化工科学研究院 Friction wear tester
CN102539232A (en) * 2011-12-30 2012-07-04 武汉材料保护研究所 Convertible modular fixture of multifunctional frictional wear testing machine
CN102980802A (en) * 2012-11-16 2013-03-20 上海交通大学 Universal self-adaption fixture for sliding friction-wear test

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