CN202204476U - Constant-inclination angle surface contact film lubrication measuring apparatus - Google Patents
Constant-inclination angle surface contact film lubrication measuring apparatus Download PDFInfo
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- CN202204476U CN202204476U CN2011203328293U CN201120332829U CN202204476U CN 202204476 U CN202204476 U CN 202204476U CN 2011203328293 U CN2011203328293 U CN 2011203328293U CN 201120332829 U CN201120332829 U CN 201120332829U CN 202204476 U CN202204476 U CN 202204476U
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Abstract
The utility model relates to a constant-inclination angle surface contact film lubrication measuring apparatus which comprises a rack, a drive unit, a micro-interference measuring unit, a micro-slider fixing and adjusting unit and a glass disk rotation unit, wherein the micro-interference measuring unit is arranged on the lower surface of the rack; the micro-slider fixing and adjusting unit and the glass disk rotation unit are arranged on the upper surface of the rack; and the upper surface of the rack is also provided with a frictional force sensing and measuring unit. By utilizing the apparatus provided by the utility model, the measurement of the contact lubricating oil film and frictional force can be realized under a constant inclination angle, and simultaneously the service life of a glass disk is prolonged due to the new structural design of a loading plate; the structure of a testing machine is more compact due to the mounting mode of the drive motor; the diameter of the glass disk is increased, and the speed range is expanded; and a dustproof cover is additionally arranged so as to reduce the influence of external interference on the test result.
Description
Technical field
The utility model relates to the experimental measurement field of hydrldynamic pressure lubrication oil film, relates in particular to the lubricated measuring instrument of permanent inclination angle face contact membrane, is used for miniature slipper bearing hydrldynamic pressure lubrication oil film thickness and oil film friction force under the condition of permanent inclination angle are measured.
Background technology
At present, for the elastic hydrodynamic lubrication of point, line higher pair contact, the measurement of its oil film thickness and shape has possessed effective technical means, and the Related Experimental Study of completion and the flow analysis of numerical value bullet are mutually promoted, and greatly perfect bullet flows basic theory.Aspect the research of lower pair fluid in contact hydrodynamic lubrication, the oil film thickness Study on Measurement focuses mostly in bush(ing) bearing or thrust bearing, and these work are mostly to the measuring lubricating oil film under the practical application in industry condition.
Aspect hydrldynamic pressure lubrication research, it is that model carries out that considerable fundamental research contacts with plane, permanent inclination angle wedge block with numerical analysis, and the slider tilt angle is the variable that is independent of load and speed.Because technology limitation, considerably less to experimental study that should model, make the research of basic theory be difficult to checking.Existing pilot system has its limitation separately again, as: the measuring lubricating oil film system of the fan-shaped plan thrust bearing of Robison and Cameron exploitation because of workplace generation thermal deformation, thereby has formed the interference image that similarity contacts; The little friction comprehensive tester of self-adaptation of Qian Linmao and Luo Jianbin design, in their measuring system, slide block is floating support, with speed and load change.The miniature slipper bearing measuring lubricating oil film appearance of the Guo Feng of Qingdao Technological University development, number of patent application 200810249672.0 has solved top problem, has measured the thickness of permanent inclination angle face contacting with fluid dynamic lubrication oil film.
Yet, the miniature slipper bearing measuring lubricating oil film appearance part that in the process of practical application, also comes with some shortcomings: the function that lacks friction measurement; The servomotor rotating speed is low, and transmission is steady inadequately; Glass disc is shorter serviceable life; It is smaller that microscopic system is taken area; Motor separates with respect to main frame, moves and install inconvenient; The gravity balance device size is bigger, and one-piece construction is compact inadequately; Overall appearance is attractive in appearance inadequately; Lack the automatic tally function of interference fringe, efficiency of measurement is low; The highest oil film thickness of surveying is surveyed little.Therefore, research and solve the problems referred to above, it is the technical matters that needs to be resolved hurrily that existing surveying instrument is carried out the effective optimization improvement.
The utility model content
To the deficiency that prior art exists, the utility model technical matters to be solved is, provides a kind of permanent inclination angle face contact membrane to lubricate measuring instrument, for the fundamental research of hydrldynamic pressure lubrication provides effective tool.This measuring instrument can be realized contact lubricated oil film and friction force measurement below the constant inclination angle, prolongs the life-span of glass disc simultaneously; Make testing machine structure compact more; Strengthen the diameter of glass disc, the expansion rate scope; Designed dust cover and effectively reduced the influence of external interference experimental result.
For solving the problems of the technologies described above; The technical scheme that the utility model is taked is: a kind of permanent inclination angle face contact membrane lubricates measuring instrument; Comprise one by 1 upper table surface, 1 following table be used for the rack unit that constitutes 4 root posts that last following table couples together; Wherein the following table bottom surface is provided with the level that four foot screws are regulated table top for four jiaos; It is characterized in that: 1) have one by servomotor through small synchronous pulley, synchronously band, big synchronous pulley transmission and stretching pulley be to synchronous band tensioning; The driver element that constitutes; Drive a glass disc, said servomotor is fixedly mounted on the bottom surface of upper table surface through motor cabinet and motor mount, and the said small synchronous pulley that is installed on the servo motor shaft is installed in a glass disc XL type synchronization belt transmission system that the big synchronous pulley of bearing inner sleeve lower end is formed is installed with being screwed; Said stretching pulley is installed in the upper table surface bottom surface through one group of screw hole; 2) by a friction pair of forming by a slide block and said glass disc; 3) have one be arranged on the frame following table and be in said friction pair under; By the micro-interference measuring unit that Microscope base, three-D displacement platform, microscope DOCK LEVELER and microscope constitute, wherein Microscope base is installed on the frame following table through one group of screw hole; The three-D displacement platform is installed on the Microscope base; The microscope DOCK LEVELER is installed on the three-D displacement platform short transverse adjustable plate; Microscope and supporting CCD are installed in CCD aligning friction pair on the microscope DOCK LEVELER; 4) fixedly adjustment unit of a slide block that is made up of slide block, slide block secured adjusted ball pivot head, slide block secured adjusted ball pivot seat and slide block tilt adjustment screw rod is arranged, the slide block of wherein forming friction pair with said glass disc is screwed and is installed on the slide block secured adjusted ball pivot head; The slide block secured adjusted ball pivot seat of forming spherical pair with slide block secured adjusted ball pivot head is fixedly mounted on the load plate; Slide block tilt adjustment screw rod is installed in and is used for the inclination angle of adjusting slider with respect to glass disc on the load plate; 5) load maintainer is arranged: whole slide block fixedly an end, the load plate of a load plate of adjustment unit support the other end through load plate install axle with load panel seat hinged, load panel seat and link to each other with the frame upper table surface through rebound and thrust bearing socket central rotating shaft; 6) have an angular contact ball bearing by said big synchronous pulley, said glass disc, said glass disc installation bearing inner sleeve, a pair of back-to-back installation, glass disc installation bearing outside, bearing pre-fastening to regulate the glass disc turning unit that pad, bearing (ball) cover and glass disc leveling platen constitute, wherein big synchronous pulley is installed in glass disc installation bearing inner sleeve bottom and passes to rotatablely moving of motor the glass disc of forming friction pair with slide block; Glass disc is fastened on glass disc through glass disc leveling platen and installs in the bearing and put, and can compressing and loosen among a small circle in the adjusting glass disc with respect to the inclination angle of slide block through 8 holding screws on the glass disc leveling platen; The commercial angular contact ball bearing of a pair of back-to-back installation is installed between glass disc installation bearing inner sleeve and the glass disc installation bearing outside glass disc can be rotated around its central shaft; Glass disc is installed bearing outside and is passed through screw retention on upper table surface; Bearing pre-fastening is regulated the outer ring that pad is installed in the commercial angular contact ball bearing of a pair of back-to-back installation, regulates the angular contact ball bearing pretightning force through six screws that connect big synchronous pulley and glass disc installation bearing inner sleeve; 7) a friction force sensing measurement unit that is made up of friction measurement rotating shaft mechanism, slide block secured adjusted unit gravitational equilibrium mechanism, said load plate and friction measurement pull pressure sensor is arranged, wherein the friction measurement pull pressure sensor is fixed on the upper table surface and with flexible strand and is connected the slide block center with respect to the arm of force 1/2 place, place, thrust bearing socket central rotating shaft center; Slide block secured adjusted unit gravitational equilibrium mechanism is installed between rebound and the load plate; Said load plate is provided with charger at 1/2 place at center, two installation ends place; The friction measurement rotating shaft mechanism of a rotary freedom is installed on the frame upper table surface through a pair of thrust ball bearing and thrust bearing socket central rotating shaft.
Said friction measurement rotating shaft mechanism comprises a pair of thrust ball bearing that is installed in upper table surface; Be used for connecting the thrust bearing socket central rotating shaft of upper table surface and rebound; Be installed in the rebound that is used for installing load plate on the thrust bearing socket central rotating shaft; Being arranged on the load plate that is used between load plate and the rebound that load plate is installed and load plate is swung up and down installs axle and loads panel seat.
Said gravitational equilibrium mechanism comprises that the lower end is installed in and is used for the fixedly balancing spring of adjustment unit and load plate self gravitation of the little slide block of balance on the rebound; Be installed in balancing spring upper end and be used for the adjusting screw(rod) of regulating spring decrement; Be fixed on the spring housing that is used for holding spring and install adjustment screw rod on the load plate.
Said charger comprises the loading counterweight that is installed in that the slide block center installs with respect to load plate that flexibly connecting of the arm of force 1/2 place, axle center is used for placing the loading disc of loaded weight on load plate and loaded weight is provided for slide block.
Said load plate and load plate are installed the axle junction two cover separate connection mounting holes are set, and are used for mounting spring cover, charger and relative set two cover installation sites, friction measurement pull pressure sensor place simultaneously on the load plate.
Said micro-interference measuring unit is made up of frosted glass, microscope, CCD, image pick-up card and the computing machine of LASER Light Source, rotation; Interference image projects on the CCD through microscope, through the processes and displays of CCD and image pick-up card on computer screen.
There is two and left and right and back each Package casing that uses thickness to process as the galvanized sheet of 1mm can splitting said rack unit front; Wherein left and right and back three panels are screwed on frame upper table surface and following table, and two of fronts are installed in respectively on the left and right plate through hinge.Have one to be the dust cover of the pentahedron structure processed of the organic glass of 6mm by thickness, it is in the groove of 5mm for the 8mm degree of depth that its back-off is placed in frame upper table surface width.
Description of drawings
Fig. 1 is the three-dimensional structure synoptic diagram of the utility model;
Fig. 2 is Fig. 1 mid frame upper table surface and goes up the installing mechanism three-dimensional plot;
Fig. 3 is slide block secured adjusted unit, glass disc turning unit, friction force sensing measurement unit, driven by servomotor unit and the loading unit mechanism cut-open view of the utility model;
Fig. 4 is the friction measurement schematic diagram of mechanism;
Fig. 5 is a micro-interference measuring unit schematic diagram.
Embodiment
The preferred embodiment accompanying drawings of the utility model is following:
Embodiment one:
Referring to Fig. 1, Fig. 2 and Fig. 3; This permanent inclination angle face contact membrane lubricates measuring instrument (like Fig. 1); The rack unit (1) that comprises by 1 upper table surface (11), 1 following table (12) and be used for constituting 4 root posts (13) that last following table couples together, wherein following table (12) bottom surface is provided with the level that four foot screws are regulated table top for four jiaos.It is characterized in that: a driver element (2) that is made up of servomotor (211), small synchronous pulley (212), big synchronous pulley (22) and stretching pulley (23) 1) is arranged, and wherein rated speed is that the commercial servomotor (211) of 3000 R/min is used for for glass disc (51) rotates power being provided through the bottom surface that motor cabinet (213,214) is fixedly mounted on upper table surface (11); Be installed in the number of teeth on servomotor (211) axle and be 20 small synchronous pulley (212) and be screwed and be installed in glass disc bearing inner sleeve (52) the lower end number of teeth is installed is that the XL type synchronization belt transmission system that 160 big synchronous pulley (22) is formed has guaranteed that glass disc rotate with accurate speed, thereby the friction pair that can realize glass disc and slide block composition moves with accurate relative sliding velocity; The stretching pulley mechanism (23) that is installed in upper table surface (11) bottom surface through one group of screw hole is used for regulating the tensile force of synchronous band; 2) there is one for observation with gather the formed interference image of friction pair form by slide block (41) and glass disc (51) and be arranged on the frame following table; 3) a micro-interference measuring unit (3) that is made up of Microscope base (31), three-D displacement platform (32), microscope DOCK LEVELER (33) and microscope (34) is arranged, wherein Microscope base (31) is installed on the frame following table (12) through one group of screw hole; Three-D displacement platform (32) is installed on the Microscope base (31); Microscope DOCK LEVELER (33) is installed on three-D displacement platform (32) the short transverse adjustable plate; Microscope (34) and supporting CCD are installed on the microscope DOCK LEVELER (33), regulate three-D displacement platform (32) in the experiment and make microscope (34) can collect interference fringe clearly; 4) fixedly adjustment unit (4) of a little slide block that is made up of slide block (41), slide block secured adjusted ball pivot head (42), slide block secured adjusted ball pivot seat (43) and slide block tilt adjustment screw rod (44) is arranged, wherein be screwed and be installed on the slide block secured adjusted ball pivot head (42) with the slide block (41) of glass disc (51) composition friction pair; The slide block secured adjusted ball pivot seat (43) of forming spherical pair with slide block secured adjusted ball pivot head (42) is fixedly mounted on the load plate (63); Slide block tilt adjustment screw rod (44) is installed in and is used for the inclination angle of adjusting slider with respect to glass disc on the load plate (63); 5) load maintainer is arranged: whole little slide block fixedly adjustment unit (4) links to each other with frame upper table surface (11) through load plate (63), load plate installation axle (615), loading panel seat (614), rebound (613) and thrust bearing socket central rotating shaft (612); 6) have that angular contact ball bearing (53), a glass disc of bearing inner sleeve (52), a pair of back-to-back installation being installed by big synchronous pulley (22), glass disc (51), glass disc is installed bearing outside (54), bearing pre-fastening is regulated the glass disc turning unit (5) that pad (55), bearing (ball) cover (56) and glass disc leveling platen (57) constitute, wherein big synchronous pulley (22) is installed in glass disc and bearing inner sleeve (52) bottom is installed is used for passing to rotatablely moving of motor and the glass disc (51) of slide block (41) composition friction pair; Glass disc (51) is fastened on glass disc through glass disc leveling platen (57) and installs on the bearing inner sleeve (52), and can compressing and loosen among a small circle the adjusting glass disc with respect to the inclination angle of slide block (41) through 8 holding screws on the glass disc leveling platen (57); The commercial angular contact ball bearing (53) of a pair of back-to-back installation is installed in glass disc (51) can be rotated around its central shaft; Glass disc is installed bearing outside (54) and is passed through screw retention on upper table surface (11); Bearing pre-fastening is regulated the outer ring that pad (55) is installed in the angular contact ball bearing (53) of a pair of back-to-back installation, regulates angular contact ball bearing (53) pretightning force through six screws that connect big synchronous pulley (22) and glass disc installation bearing inner sleeve (52); 7) a friction force sensing measurement unit (6) that is made up of friction measurement rotating shaft mechanism (61), slide block secured adjusted unit gravitational equilibrium mechanism (62), load plate (63) and friction measurement pull pressure sensor (64) is arranged, wherein friction measurement pull pressure sensor (64) is fixed on the upper table surface (11) and is connected slide block (41) center with flexible strand and is used in experiment, measuring friction force between the friction pair with respect to the arm of force 1/2 place, place, thrust bearing socket central rotating shaft (612) center; Slide block secured adjusted unit gravitational equilibrium mechanism (62) is installed in and is used for balance slide block secured adjusted unit (4) and load plate (63) self gravitation between rebound (613) and the load plate (63) and makes the load that is added on the friction pair more accurate; Load plate (63) one ends are used for installing fixedly adjustment unit (4) of slide block, and the other end is installed in load plate and installs on the axle (615), and at 1/2 place at center, two installation ends place charger (632) are set; The friction measurement rotating shaft mechanism (61) with a rotary freedom that designs for measurement friction force is installed on the frame upper table surface (11) through a pair of thrust ball bearing (611) and thrust bearing socket central rotating shaft (612).Comprise two and left and right and back each Package casing (7) that uses thickness to process that the front can be split as the galvanized sheet of 1mm; Wherein left and right and back three panels are screwed on frame upper table surface (11) and following table (12), and two of fronts are installed in respectively through hinge and are used for making whole measuring instrument more attractive in appearance on the left and right plate.Comprise that also one is the dust cover (8) of the pentahedron structure processed of the organic glass of 6mm by thickness, its back-off is placed in the groove that frame upper table surface (11) width is 5mm for the 8mm degree of depth and is used for reducing the influence of extraneous factor to experimental result.
Embodiment two: present embodiment and embodiment one are basic identical, and special feature is following:
Above-mentioned permanent inclination angle face contact membrane lubricates measuring instrument; The friction force sensing measurement unit (like Fig. 2) that it links to each other with the frame upper table surface through rebound (613), thrust bearing socket central rotating shaft (612) and thrust bearing (611); Can locate mounting screw through the screw hole on rebound (6131) and be fixed up rebound and upper table surface, thereby can under the situation that only needs the measurement oil film thickness, make friction force sensing measurement unit inoperative.
Above-mentioned permanent inclination angle face contact membrane lubricates measuring instrument, and its friction force sensing measurement unit (like Fig. 2) is included as the friction measurement rotating shaft mechanism (61) with a rotary freedom of measuring friction force and designing; For obtaining the gravitational equilibrium mechanism (62) that oil film friction force accurately is used for the self gravitation of balance slide block secured adjusted unit (4) and load plate (63); Be used for installing slide block and charger (632) and the load plate (63) of the arm of force is provided for friction measurement; Be used for measuring the pull pressure sensor (64) of friction force size.Three-dimensional plot is installed for it and the concrete structure cut-open view is distinguished as shown in Figures 2 and 3, and the principle of friction measurement is as shown in Figure 4.
Above-mentioned permanent inclination angle face contact membrane lubricates measuring instrument, and its friction measurement pivot structure comprises the thrust bearing (611) that is installed in upper table surface (11); Be used for connecting the thrust bearing socket central rotating shaft (612) of upper table surface (11) and rebound (613); Be installed in the rebound (613) that is used for installing load plate on the thrust bearing socket central rotating shaft; Being arranged on the load plate that is used between load plate and the rebound that load plate is installed and load plate is swung up and down installs axle (615) and loads panel seat (614); Its concrete structure is as shown in Figure 3.
Above-mentioned permanent inclination angle face contact membrane lubricates measuring instrument, and its gravitational equilibrium structure comprises that the lower end is installed in and is used for the fixedly balancing spring (621) of adjustment unit and load plate gravity of the little slide block of balance on the rebound (613); Be installed in balancing spring upper end and be used for the adjusting screw(rod) (622) of regulating spring decrement; Be fixed on the spring housing (623) that is used for holding spring and install adjustment screw rod on the load plate (63); The gravitational equilibrium structure is arranged between load plate and the rebound, and the degree of tightness of coming the adjustment spring through adjusting screw(rod), thereby the gravity of balance device self can measure the acting force of actual loaded to the slide block more exactly, and its concrete structure is as shown in Figure 3
Above-mentioned permanent inclination angle face contact membrane lubricates measuring instrument; Its charger structure comprises and is installed in flexibly connecting of slide block (41) arm of force 1/2 place be used for placing loaded weight on load plate (63) loading disc (633) and for slide block provides the loading counterweight (634) of loaded weight, its concrete structure is as shown in Figure 3
Above-mentioned permanent inclination angle face contact membrane lubricates measuring instrument; Its load plate (63) is provided with two cover separate connection mounting holes (631) with loading panel seat (614) junction, is used for mounting spring cover (623), charger (632) and friction measurement sensor (64) simultaneously on the load plate to locate also relative set two cover installation sites.Two overlap the independently design in hole, connection hole can make slide block place in two different places of radius along same direction with respect to the glass disc turning unit, thereby increases the serviceable life of glass disc.Its concrete structure is as shown in Figure 2
Above-mentioned permanent inclination angle face contact membrane lubricates measuring instrument; Its driver element comprises that rated speed is the servomotor (21) of 3000 R/min; Ratio of gear is 8 not only can guarantee transmission accuracy but also can reduce the XL type synchronous pulley system (22) of the vibrations that motor causes and be used for regulating the stretching pulley (23) of synchronous band tensile force that its concrete structure was as shown in Figure 3.
Above-mentioned permanent inclination angle face contact membrane lubricates measuring instrument, and the glass disc of its glass disc turning unit (51) diameter is 140mm, and the glass disc rotating speed is≤300R/min.
The lubricated measuring instrument operation steps of this permanent inclination angle face contact membrane is following:
1) selected IMAQ is installed and is snapped in the computing machine, and be connected to image pick-up card to microscope through CCD, drive software and the IMAQ and the needed software of processing of servomotor is installed on computers.Regulating stretching pulley makes synchronous band degree of tightness suitable; The set screw of using air-bubble level to regulate frame following table (12) makes the upper and lower table-surface level of frame; Be fit into the position behind glass cleaning dish (51) and the slide block (41) and make its degree of tightness suitable; The experimental corresponding lubricating oil of interpolation that needs is to an amount of on glass disc; And regulate glass disc with clock gauge, make its upper surfaces level error control in a lattice scale of clock gauge.
2) take off counterweight (634); Loosen gravitational equilibrium adjusting screw(rod) (622) and slide block tilt adjustment screw rod (44); Slide block is fully contacted with glass disc (51), open image capture software, regulate microscopic system and make slide block and clear being presented on the screen of glass disc (51) surface of contact.Flicking load plate (63) is near an end of slide block on the other hand; Proficiency is turning block secured adjusted ball pivot head gently; Stop operating when on computer screen, seeing clearly interference image and guaranteeing lubricating oil gateway correct position; The hand that pin load plate (63) this moment is not decontroled, simultaneously adjusting slider inclination angle secured adjusted screw rod (44) fixedly slide block the inclination angle and regulate extremely required number of number of interference fringes.Unclamp the hand of pinning load plate (63), rotation adjusting screw rod (622) makes the striped on the screen be in indistinct state.
3) demarcate friction measurement sensor and be installed in it on sensor holder; Use flexible strand to couple together friction measurement sensor (64) and load plate (63); And adjustment flexible strand length makes the side of load plate (63) be roughly parallel to the side of frame 1 upper table surface, and load as required places the counterweight (634) of corresponding weight.
4) cover dust cover (8), start driven by servomotor software and corresponding motor speed is set, begin experiment, record is also preserved corresponding to the light intensity curve of a bit locating interference image on the slide block and friction measurement sensor readings.
5) light intensity curve by experimental record calculates oil film thickness through the relation between light intensity and the oil film thickness, and goes out the friction force of oil film through the Conversion Calculation between the arm of force by the data of friction force sensor (64).
Above-mentioned permanent inclination angle face contact membrane lubricates measuring instrument, is provided with between its frame following table and the upper table surface and is split by two of fronts, and left and right, back is for to be installed on the upper and lower table top through screw, and thickness is the Package casing that the galvanized sheet of 1mm is processed.The frame upper table surface is provided with dust cover.The pentahedron structure of dust cover for adopting organic glass to process, in the experiment and the experiment back-off that finishes be placed in the groove of upper table surface, can stop dust to get in the lubricating oil, make experimental result more accurate.
The lubricated measuring instrument of the permanent inclination angle of the utility model face contact membrane, the fundamental research contact lubricated for the lower pair face provides effective tool.Can realize contact lubricated oil film and friction force measurement below the constant inclination angle,, prolong the life-span of glass disc with stylish load plate structural design; The mounting means of drive motor makes testing machine structure compact more; Strengthen the diameter of glass disc, the expansion rate scope; Set up dust cover, reduce the influence of external interference experimental result.
The above; It only is preferred embodiment to the utility model; Be not to be that the utility model is done other forms of restriction, any professional and technical personnel of being familiar with possibly utilize the technology contents of above-mentioned announcement to change or be modified as the equivalent embodiment of equivalent variations.But every the utility model scheme content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of the utility model according to the technical spirit of the utility model.
Claims (7)
1. a permanent inclination angle face contact membrane lubricates measuring instrument; Comprise one by 1 upper table surface (11), 1 following table (12) with the rack unit (1) that constitutes of 4 root posts (13) that are used for coupling together last following table; Wherein following table (12) bottom surface is provided with the level that four foot screws are regulated table top for four jiaos; It is characterized in that: 1) have one by servomotor (211) through small synchronous pulley (212), synchronously band (24), big synchronous pulley (22) transmission and stretching pulley (23) be to synchronous band (24) tensioning; The driver element (2) that constitutes; Drive a glass disc (51); Said servomotor (211) is fixedly mounted on the bottom surface of upper table surface (11) through motor cabinet (213) and motor mount (214), is installed in the said small synchronous pulley (212) on servomotor (211) axle and is screwed to be installed in a glass disc XL type synchronization belt transmission system that the big synchronous pulley (22) of bearing inner sleeve (52) lower end is formed is installed; Said stretching pulley (23) is installed in upper table surface (11) bottom surface through one group of screw hole; 2) friction pair of being made up of a slide block (41) and said glass disc (51) is arranged; 3) have one be arranged on the frame following table and be in said friction pair under; By the micro-interference measuring unit (3) that Microscope base (31), three-D displacement platform (32), microscope DOCK LEVELER (33) and microscope (34) constitute, wherein Microscope base (31) is installed on the frame following table (12) through one group of screw hole; Three-D displacement platform (32) is installed on the Microscope base (31); Microscope DOCK LEVELER (33) is installed on three-D displacement platform (32) the short transverse adjustable plate; Microscope (34) and supporting CCD are installed in microscope DOCK LEVELER (33) and go up CCD aligning friction pair; 4) fixedly adjustment unit (4) of a slide block that is made up of slide block (41), slide block secured adjusted ball pivot head (42), slide block secured adjusted ball pivot seat (43) and slide block tilt adjustment screw rod (44) is arranged, wherein be screwed and be installed on the slide block secured adjusted ball pivot head (42) with the slide block (41) of said glass disc (51) composition friction pair; The slide block secured adjusted ball pivot seat (43) of forming spherical pair with slide block secured adjusted ball pivot head (42) is fixedly mounted on the load plate (63); Slide block tilt adjustment screw rod (44) is installed in and is used for the inclination angle of adjusting slider with respect to glass disc on the load plate (63); 5) load maintainer is arranged: the whole slide block fixedly other end of an end, the load plate (63) of adjustment unit (a 4) load plate of support (63) is installed axle (615) and is loaded that panel seat (614) is hinged, loading panel seat (614) links to each other with frame upper table surface (11) through rebound (613) and thrust bearing socket central rotating shaft (612) through load plate; 6) have that angular contact ball bearing (53), a glass disc of bearing inner sleeve (52), a pair of back-to-back installation being installed by said big synchronous pulley (22), said glass disc (51), said glass disc is installed bearing outside (54), bearing pre-fastening is regulated the glass disc turning unit (5) that pad (55), bearing (ball) cover (56) and glass disc leveling platen (57) constitute, wherein big synchronous pulley (22) is installed in glass disc and bearing inner sleeve (52) bottom is installed passes to the glass disc (51) with slide block (41) composition friction pair to rotatablely moving of motor; Glass disc (51) is fastened on glass disc through glass disc leveling platen (57) and installs on the bearing inner sleeve (52), and can compressing and loosen among a small circle the adjusting glass disc with respect to the inclination angle of slide block (41) through 8 holding screws on the glass disc leveling platen (57); The commercial angular contact ball bearing (53) of a pair of back-to-back installation is installed in glass disc (51) can be rotated around its central shaft; Glass disc is installed bearing outside (54) and is passed through screw retention on upper table surface (11); Bearing pre-fastening is regulated the outer ring that pad (55) is installed in the commercial angular contact ball bearing (53) of a pair of back-to-back installation, regulates angular contact ball bearing (53) pretightning force through six screws that connect big synchronous pulley (22) and glass disc installation bearing inner sleeve (52); 7) a friction force sensing measurement unit (6) that is made up of friction measurement rotating shaft mechanism (61), slide block secured adjusted unit gravitational equilibrium mechanism (62), said load plate (63) and friction measurement pull pressure sensor (64) is arranged, wherein friction measurement pull pressure sensor (64) is fixed on upper table surface (11) and upward and with flexible strand is connected slide block (41) center with respect to the arm of force 1/2 place, place, thrust bearing socket central rotating shaft (612) center; Slide block secured adjusted unit gravitational equilibrium mechanism (62) is installed between rebound (613) and the load plate (63); Said load plate (63) is provided with charger (632) at 1/2 place at center, two installation ends place; The friction measurement rotating shaft mechanism (61) of a rotary freedom is installed on the frame upper table surface (11) through a pair of thrust ball bearing (611) and thrust bearing socket central rotating shaft (612).
2. permanent inclination angle according to claim 1 face contact membrane lubricates measuring instrument, and it is characterized in that: said friction measurement rotating shaft mechanism (61) comprises a pair of thrust ball bearing (611) that is installed in upper table surface (11); Be used for connecting the thrust bearing socket central rotating shaft (612) of upper table surface (11) and rebound (613); Be installed in the rebound (613) that is used for installing load plate on the thrust bearing socket central rotating shaft; Being arranged on the load plate that is used between load plate and the rebound that load plate is installed and load plate is swung up and down installs axle (615) and loads panel seat (614).
3. permanent inclination angle according to claim 1 face contact membrane lubricates measuring instrument, it is characterized in that: said gravitational equilibrium mechanism (62) comprises that the lower end is installed in and is used for the fixedly balancing spring (621) of adjustment unit (4) and load plate (63) self gravitation of the little slide block of balance on the rebound (613); Be installed in balancing spring upper end and be used for the adjusting screw(rod) (622) of regulating spring decrement; Be fixed on the spring housing (623) that is used for holding spring and install adjustment screw rod on the load plate (63).
4. permanent inclination angle according to claim 1 face contact membrane lubricates measuring instrument, it is characterized in that: said charger (632) comprises the loading counterweight (634) that is installed in that flexibly connecting of the arm of force 1/2 place, axle (615) center be used for placing loaded weight on load plate (63) loading disc (633) is installed with respect to load plate in slide block (41) center and loaded weight is provided for slide block.
5. permanent inclination angle according to claim 1 face contact membrane lubricates measuring instrument; It is characterized in that: said load plate (63) and load plate are installed axle (615) junction two cover separate connection mounting holes (631) are set, and are used for mounting spring cover (623), charger (632) and friction measurement pull pressure sensor (64) simultaneously on the load plate to locate relative set two cover installation sites.
6. permanent inclination angle according to claim 1 face contact membrane lubricates measuring instrument, it is characterized in that: said micro-interference measuring unit (3) is made up of frosted glass, microscope (34), CCD, image pick-up card and the computing machine of LASER Light Source, rotation; Interference image projects on the CCD through microscope, through the processes and displays of CCD and image pick-up card on computer screen.
7. permanent inclination angle according to claim 1 face contact membrane lubricates measuring instrument; It is characterized in that there is two and left and right and back each Package casing (7) that uses thickness to process as the galvanized sheet of 1mm can splitting said rack unit (1) front; Wherein left and right and back three panels are screwed on frame upper table surface (11) and following table (12), and two of fronts are installed in respectively on the left and right plate through hinge; Have one to be the dust cover (8) of the pentahedron structure processed of the organic glass of 6mm by thickness, it is in the groove of 5mm for the 8mm degree of depth that its back-off is placed in frame upper table surface (11) width.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011203328293U CN202204476U (en) | 2011-09-07 | 2011-09-07 | Constant-inclination angle surface contact film lubrication measuring apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011203328293U CN202204476U (en) | 2011-09-07 | 2011-09-07 | Constant-inclination angle surface contact film lubrication measuring apparatus |
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| CN202204476U true CN202204476U (en) | 2012-04-25 |
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| CN2011203328293U Expired - Fee Related CN202204476U (en) | 2011-09-07 | 2011-09-07 | Constant-inclination angle surface contact film lubrication measuring apparatus |
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