CN103196766B - Steel wire micro-kinetic-friction abrasion testing machine - Google Patents
Steel wire micro-kinetic-friction abrasion testing machine Download PDFInfo
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- CN103196766B CN103196766B CN201310101129.7A CN201310101129A CN103196766B CN 103196766 B CN103196766 B CN 103196766B CN 201310101129 A CN201310101129 A CN 201310101129A CN 103196766 B CN103196766 B CN 103196766B
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Abstract
The invention discloses a steel wire micro-kinetic-friction abrasion testing machine which comprises a main rack, and an upper working platform and a lower working platform which are arranged on the main rack, wherein an upper sample steel wire is fixed on the upper working platform, a lower sample steel wire is fixed on the lower working platform, and the upper sample steel wire is in contact with the lower sample steel wire. The steel wire micro-kinetic friction abrasion testing machine also comprises a micro inching displacement frequency regulating mechanism and a micro inching displacement amplitude regulating mechanism, wherein the micro inching displacement frequency regulating mechanism is used for driving the upper working platform to reciprocate relative to the lower working platform so as to form friction between the upper sample steel wire and the lower sample steel wire for carrying out a steel wire friction abrasion test, the micro inching displacement frequency regulating mechanism is also steplessly regulating the reciprocating frequency of the upper working platform, and the micro inching displacement amplitude regulating mechanism is used for steplessly regulating the reciprocating amplitude of the upper working platform.
Description
Technical field
The present invention relates to frictional behaviour test, in particular, relate to a kind of steel wire fretting friction wear testing machine.
Background technology
Fine motion friction and wear test machine is used to the test unit testing the parameter relevant with friction with the hardness of research material, frictional behaviour and fretting fatigue performance etc., its basic functional principle be driving two surfaces contacted with each other under certain contact with the amplitude of setting, frequency and contact angle relative sliding, thus friction is formed between these two surfaces, then measure all kinds of parameters relevant with friction of the material surperficial with analyzing formation these two.
At present, in micromotion abrasion tester for steel wire, widely used scheme adopts actuated by cams mode between two surfaces contacted with each other, produce the slip with predetermined amplitude and frequency, adopt the mode of pressure counterweight to produce predetermined contact between these two surfaces, so just can carry out above-mentioned friction-wear test.Such as, patent CN200420080073.8 discloses a kind of conventional micromotion abrasion tester for steel wire, and this testing machine utilizes motor driving cam to rotate, and moves back and forth with the rotating drive cantilever lever of cam, then drives micropositioner to reciprocatingly slide with cantilever lever.The contact on micropositioner surface then adopts the mode of pressure counterweight to produce.In this existing testing machine, the slip of micropositioner can be made to possess larger amplitude by the shape adjusting cam, the means of contact also by increasing and decreasing counterweight change in any range.But, when needing to utilize micropositioner to carry out the friction-wear test of different stroke, difform cam need be changed accordingly to change the amplitude of micropositioner.Because each cam can only a corresponding fixing sliding stroke, therefore, adopt actuated by cams mode, even if cam can be changed, the sliding stroke of micropositioner regulates also has level, cannot realize stepless change, this regulates the friction-wear test of sliding stroke can cause very large inconvenience to needing gradually.Meanwhile, due to cam itself in use can wear and tear so that shape change gradually, utilize the sliding stroke of cam-actuated micropositioner also can produce increasing error.Moreover, adopt pressure counterweight mode to form contact to micropositioner surface, although stable load, structure are simple, be also difficult to regulate pressure load continuously, infinitely.
Utility model content
The technical problem to be solved in the present invention is, the sliding stroke of micropositioner and the pressure load on micropositioner surface is infinitely regulated for being difficult in above-mentioned prior art, and the sliding stroke of micropositioner easily produces the defect of error, provide that a kind of structure is simple, sliding stroke degree of accuracy is high and all can carry out the steel wire fretting friction wear testing machine of step-less adjustment to the contact between the sample steel wire on micropositioner, contact angle, fine motion displacement amplitude, fine motion displacement frequency.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of steel wire fretting friction wear testing machine, the upper table 5 comprising mainframe 1 and be arranged on described mainframe 1 and lower table 11, described upper table 5 is fixed with sample steel wire 28, described lower table 11 is fixed with lower sample steel wire 18, and described upper sample steel wire 28 contacts with each other with described lower sample steel wire 18, it is characterized in that: described steel wire fretting friction wear testing machine also comprises fine motion displacement frequency governor motion 4, 7, 23, 24, 26, 27 with fine motion displacement amplitude governor motion 2, 20, 21, 22, 9, 10, described fine motion displacement frequency governor motion 4, 7, 23, 24, 26, 27 drive described upper table 5 relative to the to-and-fro movement of described lower table 11, thus formed between sample steel wire 28 and described lower sample steel wire 18 on described and rub to carry out steel wire friction-wear test, and described fine motion displacement frequency governor motion 4, 7, 23, 24, 26, 27 also for infinitely regulating described upper table 5 to do above-mentioned reciprocating frequency, described fine motion displacement amplitude governor motion 2,20,21,22,9,10 does above-mentioned reciprocating amplitude for infinitely regulating described upper table 5,
Preferably, described fine motion displacement frequency governor motion 4,7,23,24,26,27 comprises the first rail plate 4, back-moving spring 7, drive member 23, guide pole 24, first drive motor 26 and the first driving-belt 27; Described first rail plate 4 is fixed on mainframe 1, and described upper table 5 is slidably mounted on described first rail plate 4; Described back-moving spring 7 one end is fixed on described mainframe 1, and the other end is fixed on the side of described upper table 5; Described drive member 23 is the curved bar of L shape, it comprises the linking arm and actuating arm that link together mutual vertically, the end of described linking arm is connected to the opposite side contrary with the side being fixed with described back-moving spring 7 of upper table 5, and described actuating arm hooks guide pole 24; Described guide pole 24 one end is in transmission connection with described first drive motor 26 by described first driving-belt 27, and the axis of described guide pole 24 has angle with the direction structure perpendicular to upper table 5.
Preferably, when described first drive motor 26 rotates, drive described guide pole 24 round the rotation rotation perpendicular to described upper table 5 by described first driving-belt 27, make described guide pole two ends do circular cone and swing; When one end of described guide pole 24 rotate to mutually support with the inner side of described actuating arm time, described guide pole 24 promotes described actuating arm and moves towards the direction away from described upper table 5, thus drive described upper table 5 to move on described first rail plate 4, stretch described back-moving spring 7 simultaneously; When described one end of described guide pole 24 rotates to the position away from described actuating arm, described back-moving spring 7 is retracted, and makes upper table 5 return to initial position; Described upper table 5 is made to do above-mentioned to-and-fro movement relative to described lower table 11 like this.
Preferably, fine motion displacement amplitude governor motion 2,20,21,22,9,10 comprises the second rail plate 20, screw mandrel 21, pedestal 22, second driving-belt 9 and the second drive motor 10; Described second rail plate 20 is fixed on described mainframe 1, described screw mandrel 21 to be arranged on described second rail plate 20 and to engage each other with described second rail plate 20, described pedestal 22 is fixedly mounted on described screw mandrel 21, described guide pole 24, first drive motor 26 and the first driving-belt 27 are installed on described pedestal 22, and one end of described screw mandrel 21 is in transmission connection with described second drive motor 10 by described second driving-belt 9.
Preferably, when described second drive motor 10 rotates, it drives described screw mandrel 21 to rotate by described second driving-belt 9, and then drive described guide pole 24 to move along the direction perpendicular to described upper table 5 surface by described screw mandrel 21 and described pedestal 22, thus change the position that described drive member 23 hooks on described guide pole 24, use the position that on described guide pole 24, amplitude of fluctuation is different periodically to support inside described actuating arm, do above-mentioned reciprocating amplitude in order to regulate described upper table 5.
Preferably, described fine motion displacement amplitude governor motion 2,20,21,22,9,10 also comprises the grating scale 2 for measuring displacement when upper table 5 does above-mentioned to-and-fro movement.
Preferably, described steel wire fretting friction wear testing machine also comprises for driving described lower table 11 to rotate a certain angle relative to described upper table 5, thus makes the corner governor motion 13 forming infinitely variable angle between described lower sample steel wire 18 and described upper sample steel wire 28.
Preferably, described steel wire fretting friction wear testing machine also comprises hydraulic loading mechanism 15,16,17, described hydraulic loading mechanism 15,16,17 comprises hydraulic cylinder 16, described hydraulic cylinder 16 is for applying infinitely variable pressure with hydraulic way to described lower table 11, thus drive described lower table 11 to be close to described upper table 5, described lower sample steel wire 18 is forced together with infinitely variable pressure mutually with described upper sample steel wire 28.
Steel wire fretting friction wear testing machine of the present invention has following beneficial effect: its corner governor motion, fine motion displacement amplitude governor motion, fine motion displacement frequency governor motion and hydraulic loading mechanism can carry out step-less adjustment, thus provide contact angle, fine motion displacement amplitude, fine motion displacement frequency and the contact that can carry out stepless transformation for friction-wear test, easy to operate, measuring accuracy is higher, in addition, the structure of this steel wire fretting friction wear testing machine is also fairly simple.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the one-piece construction schematic diagram of the steel wire fretting friction wear testing machine that present pre-ferred embodiments provides;
Fig. 2 is the structural representation of the upper table (5) that sample steel wire (18) are housed in the steel wire fretting friction wear testing machine shown in Fig. 1;
Fig. 3 is the structural representation of the lower table (11) that lower sample steel wire (28) is housed in the steel wire fretting friction wear testing machine shown in Fig. 1;
Fig. 4 is the schematic diagram that in the steel wire fretting friction wear testing machine shown in Fig. 1, drive member (23) and guide pole (24) are assembled together;
Fig. 5 is the upward view of Fig. 4;
Fig. 6 is the vertical view of Fig. 4.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 shows the steel wire fretting friction wear testing machine that present pre-ferred embodiments provides, this testing machine comprise mainframe 1 and be arranged on upper table 5 on mainframe 1, lower table 11, corner governor motion 13, hydraulic loading mechanism 15,16,17, fine motion displacement amplitude governor motion 2,20,21,22,9,10, fine motion displacement frequency governor motion 4,7,23,24,26,27.
See also Fig. 2 and Fig. 3, the lower surface of upper table 5 is installed with mode-presetted upper sample steel wire 28, the upper surface of lower table 11 is installed with mode-presetted lower sample steel wire (18), and the upper surface of the lower surface of upper table 5 and lower table 11 is parallel to each other and aligned with each other, sample steel wire 28 and lower sample steel wire 18 are contacted with each other.Corner governor motion 13 can drive lower table 11 to rotate, thus regulates lower contact angle between sample steel wire 18 and upper sample steel wire 28.Hydraulic loading mechanism 15,16,17 provides thrust upwards can to lower table 11, makes lower sample steel wire 18 have the trend moved up, thus and produces certain contact between upper sample steel wire 28.Fine motion displacement frequency governor motion 4,7,22,24,26,27 can drive upper table 5 along the direction (in the present embodiment be horizontal direction) parallel with the upper surface of lower table 11 with certain frequency to-and-fro movement, thus make sample steel wire 28 produce relative slip with lower sample steel wire 18, and phase mutual friction.Amplitude when fine motion displacement amplitude governor motion 2,20,21,22,9,10 can regulate upper table 5 to do above-mentioned to-and-fro movement.Like this, upper sample steel wire 28 just can carry out relative sliding with predetermined contact, contact angle, frequency and amplitude with lower sample steel wire 18, and phase mutual friction.Now just steel wire friction-wear test can be carried out, measure and analyze upper sample steel wire 28 and lower sample steel wire 18 with predetermined contact, contact angle, frequency and the mutual friction of amplitude phase time correlation performance parameters, such as hardness, friction factor and fretting fatigue performance parameter etc.
Fine motion displacement frequency governor motion 4,7,23,24,26,27 specifically comprises the first rail plate 4, back-moving spring 7, drive member 23, guide pole 24, first drive motor 26 and the first driving-belt 27.First rail plate 4 is fixed on mainframe 1, and upper table 5 is slidably mounted on the first rail plate 4.Back-moving spring 7 can be a column spring, and its one end is fixed on mainframe 1, and the other end is fixed on the side of upper table 5.In the present embodiment as shown in Figure 1, the left end of back-moving spring 7 is fixed on mainframe 1, and the other end is fixed on the left side of upper table 5.See also Fig. 4, Fig. 5 and Fig. 6, drive member 23 is the curved bar of L shape, and it comprises the linking arm and actuating arm (in figure non-label) that link together mutual vertically, and wherein the length of linking arm is greater than the length of actuating arm.The end of linking arm is fixedly attached to the opposite side contrary with the side being fixed with back-moving spring 7 of upper table 5, is the right side being connected to upper table 5 in the present embodiment.Guide pole 24 is placed according to the attitude being approximately perpendicular to upper table 5, but and not fully perpendicular to upper table 5, but as shown in Figure 4, guide pole 24 tilts slightly, and himself axis and the direction perpendicular to upper table 5 form a small angle.The actuating arm of drive member 23 hooks the epimere of guide pole 24, and as shown in Figures 5 and 6, in the present embodiment, actuating arm is that gear is on the right side of guide pole 24.
The hypomere of guide pole 24 is in transmission connection by the first driving-belt 27 and the first drive motor 26, when the first drive motor 26 rotates, drives guide pole 24 round the rotation rotation perpendicular to upper table 5 by the first driving-belt 27.Because the axis of guide pole 24 and its rotation have small angle, therefore guide pole 24 time rotational, its upper and lower two ends can be done circular cone and be swung in a small scope.When the upper end of guide pole 24 rotate to the actuating arm of drive member 23 inside mutually support time, actuating arm will be promoted towards direction (being right in the present embodiment) motion away from upper table 5, thus drive upper table 5 to do micro-displacement, stretching back-moving spring 7 simultaneously to side (being right side in the present embodiment) on the first rail plate 4 by drive member 23.When the upper end of guide pole 24 rotates to the position away from actuating arm, the inner side of actuating arm no longer supported by guide pole 24, and now back-moving spring 7 is retracted, and makes upper table 5 return to initial position (for retracting to the left in the present embodiment).Like this, upper table 5 just can move back and forth along horizontal direction (being left and right directions in the present embodiment) relative to lower table 11 on the first rail plate 4, thus make sample steel wire 28 produce relative slip with lower sample steel wire 18, and phase mutual friction, thus can carry out above-mentioned.By regulating the rotating speed of the first drive motor 26 that guide pole 24 just can be regulated to do the cycle of circular cone swing, and then regulate upper table 5 along the reciprocating frequency of horizontal direction, thus the steel wire friction-wear test under different frequency can be carried out.Be understood that, as long as the first drive motor 26 can infinitely adjusting rotary speed (this belongs to prior art, herein without the need to reoffering concrete motor level speed regulating method), upper table 5 just also can infinitely regulate along the reciprocating frequency of horizontal direction.
Fine motion displacement amplitude governor motion 2,20,21,22,9,10 specifically comprises grating scale 2, second rail plate 20, screw mandrel 21, pedestal 22, second driving-belt 9 and the second drive motor 10.Grating scale 2 is arranged on the first rail plate 4, does frequency and the amplitude of above-mentioned reciprocating horizontal motion for detecting upper table 5.Second rail plate 20 is fixedly mounted on mainframe 1 along the direction (being vertical direction in the present embodiment) perpendicular to upper table 5 surface, screw mandrel 21 to be arranged on the second rail plate 20 and to engage each other with the second rail plate 20, and the rotation of screw mandrel 21 can drive himself moves along the second rail plate 20.Pedestal 22 is fixedly mounted on screw mandrel 21, and above-mentioned guide pole 24, first drive motor 26 and the first driving-belt 27 are installed on pedestal 22.One end of screw mandrel 21 is in transmission connection by the second driving-belt 9 and the second drive motor 10.When second drive motor 10 rotates, namely screw mandrel 21 is driven to rotate by driving-belt 9, and then drive guide pole 24 mobile along the direction (being vertical direction in the present embodiment) perpendicular to upper table 5 surface by screw mandrel 21 and pedestal 22, so just can change the position that connecting elements 23 hooks on guide pole 24.Be understood that, guide pole 24 is when doing above-mentioned circular cone and swinging, and on it, the amplitude of fluctuation of lower end is maximum, and more toward the part in stage casing, then amplitude of fluctuation is less.By the position that adjustment drive member 23 is hooked on guide pole 24, the position that on guide pole 24, amplitude of fluctuation is different just can be used respectively periodically to support inside actuating arm, thus drive upper table 5 with different amplitude to-and-fro movements according to said method, reach fine motion displacement amplitude regulatory function.Grating scale 2 can be used to immediately to measure displacement when upper table 5 is current to move reciprocatingly.As long as the diameter being appreciated that each section of guide pole 24 is consistent, when it does circular cone swing, the amplitude of fluctuation from end to stage casing is exactly stepless gradual change.Move gradually (in the present embodiment, this moves as VTOL (vertical take off and landing)) relative to drive member 23 by driving guide pole 24, just can regulate amplitude of fluctuation guide pole 24 periodically being supported the position inside actuating arm gradually, and then infinitely regulate upper table 5 to do the amplitude of reciprocating horizontal motion, carry out the steel wire friction-wear test under various amplitude.
In the present embodiment, lower table 11 is installed on support 12, and 12, support is rotatably installed on corner governor motion 13.Corner governor motion 13 adopts existing worm screw and turbine (not shown) as gear train, namely lower table 11 is driven to rotate along the axis perpendicular to upper table 5 surface by worm screw and turbine drive support 12 by the rotary handle (in figure non-label) rotated on corner governor motion 13, wherein determine that the concrete means in rotation direction belong to prior art, repeat no more here.Like this, lower table 11 just can be made to rotate a certain angle relative to upper table 5, and then make shape (i.e. contact angle) at a certain angle between lower sample steel wire 18 and upper sample steel wire 28, thus the steel wire friction-wear test under different contact angle can be carried out.Be appreciated that lower sample steel wire 18 obviously also can regulate continuously, infinitely with the angle of upper sample steel wire 28.
In the present embodiment, this steel wire fretting friction wear testing machine also comprises support column 8 and hydraulic loading mechanism 15,16,17.Support column 8 is arranged on mainframe 1, and support 12 is slidably mounted on support column 8, and the first rail plate 4 being provided with upper table 5 is fixedly mounted on support column 8 one end.Hydraulic loading mechanism 15,16,17 specifically comprises fixed mount 15, hydraulic cylinder 16 and hydraulic tube 17.Fixed mount 15 is fixedly mounted on mainframe 1, and hydraulic cylinder 16 to be arranged on fixed mount 15 and to be in transmission connection with support 12, and hydraulic tube 17 is communicated with hydraulic cylinder 16.When hydraulic oil is poured into hydraulic cylinder 16 from hydraulic tube 17, its pressure produced is conducted to support 12, promote support 12 to move with lower table 11 is provided with the first rail plate 4 end from support column 8 to support column 8 along, lower table 11 and upper table 5 are close to, lower sample steel wire 18 forces together with certain pressure mutually with upper sample steel wire 28, can carry out above-mentioned friction-wear test.By regulating the pressure of the hydraulic oil entering hydraulic cylinder 16 from hydraulic tube 17, namely can carry out step-less adjustment to the contact between lower sample steel wire 18 and upper sample steel wire 28 easily, thus the steel wire friction-wear test under different contact can be carried out.
The steel wire fretting friction wear testing machine that the above embodiment of the present invention provides has following beneficial effect: its corner governor motion 13, fine motion displacement frequency governor motion 4, 7, 23, 24, 26, 27, fine motion displacement amplitude governor motion 2, 20, 21, 22, 9, 10 and hydraulic loading mechanism 15, 16, 17 can carry out step-less adjustment, thus provide the contact angle that can carry out stepless transformation for friction-wear test, fine motion displacement amplitude, fine motion displacement frequency and contact, easy to operate, measuring accuracy is higher, in addition, the structure of this steel wire fretting friction wear testing machine is also fairly simple.
Although the present invention is described by drawings and Examples, it will be appreciated by those skilled in the art that, without departing from the present invention, various conversion can also be carried out and be equal to substituting to the present invention.In addition, for particular condition or material, various amendment can be made to the present invention, and not depart from the scope of the present invention.Therefore, the present invention is not limited to disclosed specific embodiment, and should comprise the whole embodiments fallen within the scope of the claims in the present invention.
Claims (7)
1. a steel wire fretting friction wear testing machine, the upper table (5) comprising mainframe (1) and be arranged on described mainframe (1) and lower table (11), described upper table (5) is fixed with sample steel wire (28), described lower table (11) is fixed with lower sample steel wire (18), described upper sample steel wire (28) and described lower sample steel wire (18) contact with each other, it is characterized in that: described steel wire fretting friction wear testing machine also comprises fine motion displacement frequency governor motion (4, 7, 23, 24, 26, 27) with fine motion displacement amplitude governor motion (2, 20, 21, 22, 9, 10), described fine motion displacement frequency governor motion (4, 7, 23, 24, 26, 27) drive described upper table (5) relative to described lower table (11) to-and-fro movement, thus formed between sample steel wire (28) and described lower sample steel wire (18) on described and rub to carry out steel wire friction-wear test, and described fine motion displacement frequency governor motion (4, 7, 23, 24, 26, 27) also for infinitely regulating described upper table (5) to do above-mentioned reciprocating frequency, described fine motion displacement amplitude governor motion (2,20,21,22,9,10) does above-mentioned reciprocating amplitude for infinitely regulating described upper table (5),
Described fine motion displacement frequency governor motion (4,7,23,24,26,27) comprises the first rail plate (4), back-moving spring (7), drive member (23), guide pole (24), the first drive motor (26) and the first driving-belt (27); Described first rail plate (4) is fixed on mainframe (1), and described upper table (5) is slidably mounted on described first rail plate (4); Described back-moving spring (7) one end is fixed on described mainframe (1), and the other end is fixed on the side of described upper table (5); The curved bar that described drive member (23) is L shape, it comprises the linking arm and actuating arm that link together mutual vertically, the end of described linking arm is connected to the opposite side contrary with the side being fixed with described back-moving spring (7) of upper table (5), and described actuating arm hooks guide pole (24); Described guide pole (24) one end is in transmission connection by described first driving-belt (27) and described first drive motor (26), and the axis of described guide pole (24) has angle with the direction structure perpendicular to upper table (5).
2. steel wire fretting friction wear testing machine according to claim 1, it is characterized in that: when described first drive motor (26) is rotated, drive described guide pole (24) round the rotation rotation perpendicular to described upper table (5) by described first driving-belt (27), make described guide pole two ends do circular cone and swing; When one end of described guide pole (24) rotate to mutually support with the inner side of described actuating arm time, described guide pole (24) promotes described actuating arm and moves towards the direction away from described upper table (5), thus drive described upper table (5) upper mobile described first rail plate (4), stretch described back-moving spring (7) simultaneously; When described one end of described guide pole (24) rotates to the position away from described actuating arm, described back-moving spring (7) is retracted, and makes described upper table (5) return to initial position; Described upper table (5) is made to do above-mentioned to-and-fro movement relative to described lower table (11) like this.
3. steel wire fretting friction wear testing machine according to claim 2, is characterized in that: fine motion displacement amplitude governor motion (2,20,21,22,9,10) comprises the second rail plate (20), screw mandrel (21), pedestal (22), the second driving-belt (9) and the second drive motor (10), described second rail plate (20) is fixed on described mainframe (1), described screw mandrel (21) is arranged on described second rail plate (20) and goes up and engage each other with described second rail plate (20), described pedestal (22) is fixedly mounted on described screw mandrel (21), described guide pole (24), first drive motor (26) and the first driving-belt (27) are installed on described pedestal (22), one end of described screw mandrel (21) is in transmission connection by described second driving-belt (9) and described second drive motor (10).
4. steel wire fretting friction wear testing machine according to claim 3, it is characterized in that: when described second drive motor (10) is rotated, it drives described screw mandrel (21) to rotate by described second driving-belt (9), and then drive described guide pole (24) to move along the direction perpendicular to described upper table (5) surface by described screw mandrel (21) and described pedestal (22), thus change the position that described drive member (23) hooks on described guide pole (24), the different position of the upper amplitude of fluctuation of described guide pole (24) is used periodically to support inside described actuating arm, above-mentioned reciprocating amplitude is done in order to regulate described upper table (5).
5. steel wire fretting friction wear testing machine according to claim 3, is characterized in that: described fine motion displacement amplitude governor motion (2,20,21,22,9,10) also comprises the grating scale (2) for measuring displacement when upper table (5) does above-mentioned to-and-fro movement.
6. steel wire fretting friction wear testing machine according to claim 1, it is characterized in that: described steel wire fretting friction wear testing machine also comprises for driving described lower table (11) to rotate a certain angle relative to described upper table (5), thus make the corner governor motion (13) forming infinitely variable angle between described lower sample steel wire (18) and described upper sample steel wire (28).
7. steel wire fretting friction wear testing machine according to claim 1, it is characterized in that: described steel wire fretting friction wear testing machine also comprises hydraulic loading mechanism (15, 16, 17), described hydraulic loading mechanism (15, 16, 17) hydraulic cylinder (16) is comprised, described hydraulic cylinder (16) is for applying infinitely variable pressure with hydraulic way to described lower table (11), thus drive described lower table (11) and described upper table (5) to be close to, described lower sample steel wire (18) and described upper sample steel wire (28) are forced together mutually with infinitely variable pressure.
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| CN201310101129.7A CN103196766B (en) | 2013-03-26 | 2013-03-26 | Steel wire micro-kinetic-friction abrasion testing machine |
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| CN201310101129.7A CN103196766B (en) | 2013-03-26 | 2013-03-26 | Steel wire micro-kinetic-friction abrasion testing machine |
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| CN103196766B true CN103196766B (en) | 2015-04-29 |
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| CN106840934B (en) * | 2017-02-20 | 2019-08-27 | 辽宁工程技术大学 | A kind of pit rope fretting wear experimental provision |
| CN109975115B (en) * | 2018-11-21 | 2021-05-11 | 中国矿业大学 | Device and method for detecting multi-wire spiral contact inside steel wire rope |
| CN110132739B (en) * | 2019-05-24 | 2020-12-29 | 北京航空航天大学 | Micro fatigue test normal load loading device and method |
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| CN202735180U (en) * | 2012-07-17 | 2013-02-13 | 深圳市特种设备安全检验研究院 | Steel wire micro friction and wear tester |
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| CN103196766A (en) | 2013-07-10 |
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