CN103234442B - Device for measuring six degrees of freedom of platform - Google Patents
Device for measuring six degrees of freedom of platform Download PDFInfo
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- CN103234442B CN103234442B CN201310131667.0A CN201310131667A CN103234442B CN 103234442 B CN103234442 B CN 103234442B CN 201310131667 A CN201310131667 A CN 201310131667A CN 103234442 B CN103234442 B CN 103234442B
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Abstract
The invention discloses a device for measuring changes of six degrees of freedom of a platform space. The measuring device mainly comprises an intersection angle measurement assembly, a transverse displacement measurement assembly, a longitudinal displacement measurement triangle frame assembly and a vertical displacement measuring column assembly. By the arrangement, the problems that a conventional measuring device for the six degrees of freedom is complicated in structure and measurement process, motion precision is poor, manufacturing costs are high, and is not applicable to mass popularization are solved. The measuring method has the advantages of easiness in measuring method, simplicity in installation, wide application, and measuring results can be read directly and the like.
Description
Technical field
The present invention relates to a kind of device for the change of measuring table space six degree of freedom, particularly relate to a kind of can measure in real time and read institute's lining platform six degree of freedom change device, it is to the structure of six degree of freedom measurement mechanism than ever, has that measuring method is easy, measurement result can directly read, is easy to the feature of installing and applicability is wide.
Background technology
Six degree of freedom coordinate gusset adopts upper and lower platform and six hydraulic cylinder compositions of each six universal coupling points usually, usually lower platform is fixed, as silent flatform, then by the stretching motion of six hydraulic cylinders, upper mounting plate will realize the space six-freedom motion of upper mounting plate in space.Many to the research of six degree of freedom measurement mechanism at present, such as: six freedom degree platform precision measurement device (Chinese patent: CN 101216291), a kind of special six degree of freedom platform mechanism (Chinese patent: CN102476288A), as the six-degree-of-freedom parallel connection mechanism (Chinese patent: CN201073733) of mechanical measuring machine and virtual-axis nc machine tool.Foreign scholar also has the research about six degree of freedom measuring table, mostly they are the six degree of freedom measurement mechanism based on Stewart structure, but these six degree of freedom proving installations also exist complex structure, be not easy to direct position analysis calculate, inconvenience is installed, the programming of measurement result needs is read and the more high defect of manufacturing cost.
Summary of the invention
The invention provides a kind of device changed at space six degree of freedom for measuring table, be a kind of by measuring respectively laterally, longitudinally and three of vertical three direction displacements measure assemblies and one and measure the assembly rotated around three directions and form.
For the device that platform six degree of freedom is measured, primarily of outer corner measurement assembly 1, lateral displacement measurement assembly 2, triangle-frame assembly 3 is measured in length travel and vertical deviation measurement column assembly 4 forms;
Described outer corner measurement assembly 1 by lateral shaft and longitudinal axis pot corner assembly 7, be fixed on vertical shaft potential meter corner assembly 6 on lateral shaft and longitudinal axis pot corner assembly 7 and the transverse electric chi contact be separately fixed on vertical shaft potential meter corner assembly 6 pulls the load guide rail slide blocks 5 such as frame assembly 8, two transverse directions to form;
The load guide rail slide blocks such as described lateral displacement measurement assembly 2 forms primarily of load guide rail slide blocks 16 such as cross slide way fixed cross framework 12, the transverse slider formula linear displacement transducer 9 be arranged on cross slide way fixed cross framework 12, lateral slide rail bar 18 and two longitudinal directions, longitudinal 16 and cross slide way fixed cross framework 12 are arranged vertically;
Described length travel is measured triangle-frame assembly 3 and is formed primarily of longitudinal rail fixed triangle framework 28, the longitudinal side rails bar 24 be contained on longitudinal rail fixed triangle framework 28, longitudinal sliding block formula linear displacement transducer 26 and two load guide rail slide blocks 29 such as vertical;
Described vertical deviation measure column assembly 4 by vertical guide rail vertical columns framework 20 and be arranged on the vertical rail plate bar 19 on vertical guide rail vertical columns framework 20, vertical slider type linear displacement transducer 22, vertical Steel Ruler 21 form;
Described outer corner measurement assembly 1 is contained on lateral displacement measurement assembly 2, described lateral displacement measurement assembly 2 is contained in length travel and measures on triangle-frame assembly 3, described length travel is measured triangle-frame assembly 3 and is contained in vertical deviation and measures on column assembly 4, between outer corner measurement assembly 1 and lateral displacement measurement assembly 2, lateral displacement measurement assembly 2 and length travel is measured between triangle-frame assembly 3, triangle-frame assembly 3 is measured in length travel and vertical deviation is measured all to adopt between column assembly 4 and is slidably matched.
The load guide rail slide block 5 such as laterally of described outer corner measurement assembly 1 and lateral slide rail bar 18 sliding connection of described lateral displacement measurement assembly 2, the transverse electric chi contact of described outer corner measurement assembly 1 is moved angle steel 71 with the slide block 35 of the transverse slider formula linear displacement transducer of described lateral displacement measurement assembly 2 and is fixedly connected with;
Longitudinal side rails bar 24 sliding connection of triangle-frame assembly 3 is measured in the load guide rail slide block 16 such as longitudinally and the described length travel of described lateral displacement measurement assembly 2, and longitudinal electronic ruler contact of described lateral displacement measurement assembly 2 is moved arm-tie 11 with the slide block of longitudinal sliding block formula linear displacement transducer 26 and is fixedly connected with;
The described length travel load guide rail slide block 29 such as vertical of measuring triangle-frame assembly 3 and described vertical deviation measure vertical rail plate bar 19 sliding connection of column assembly 4, and longitudinal electronic ruler contact of described length travel measurement triangle-frame assembly 3 is moved arm-tie 11 and is fixedly connected with the slide block that vertical deviation measures the vertical slider type linear displacement transducer 22 of column assembly 4.
Described vertical shaft potential meter corner assembly 6 is pitched 53 by Z-axis tubular shaft flange 47 with the joint spider upper end base in lateral shaft and longitudinal axis pot corner assembly 7 and is fastenedly connected, pitch 53 intermediate groove portion being connected junction at Z-axis tubular shaft flange 47 and joint spider upper end base to be located by Z-axis cross yoke locating ring 46, transverse electric chi contact pulls the load guide rail slide blocks 5 such as frame assembly 8 and two transverse directions to be fastened on the vertical tube rotor supporting base 48 in vertical shaft potential meter corner assembly 6.
Described transverse slider formula linear displacement transducer 9 is fixed on cross slide way fixed cross framework 12 end face, the load guide rail slide block positioning strips 17 such as the load guide rail slide blocks such as two longitudinal directions 16 and longitudinal direction are fixed on the bottom surface of cross slide way fixed cross framework 12, longitudinal scale bending pointer 15 is arranged on longitudinal electronic ruler contact and moves on arm-tie 11, lateral slide rail bar 18 is by lateral slide rail location-plate 13, lateral slide rail ladder location-plate 14 and the side being bolted to cross slide way fixed cross framework 12, the opposite side that arm-tie 11 is fixed on cross slide way fixed cross framework 12 is moved in horizontal Steel Ruler 10 and longitudinal electronic ruler contact.
The longitudinal side rails bar 24 in triangle-frame assembly 3 is measured in described length travel, longitudinal sliding block formula linear displacement transducer 26 and two load guide rail slide blocks 29 such as vertical also comprise longitudinal Steel Ruler 25, longitudinal side rails location-plate 27, the load guide rail slide block positioning strip 30 such as vertical and vertical electronic ruler contact are moved arm-tie 31 and are all fixed on longitudinal rail fixed triangle framework 28, vertical scale bending pointer 32 is arranged on vertical electronic ruler contact and moves on arm-tie 31, longitudinal side rails bar 24 is fixed on the one side that length travel measurement triangle-frame assembly 3 is connected with lateral displacement measurement assembly 2, longitudinal sliding block formula linear displacement transducer 26 and longitudinal Steel Ruler 25 are arranged on the side of longitudinal rail fixed triangle framework 28, two load guide rail slide blocks 29 such as vertical are arranged on the side measured column assembly 4 with vertical deviation and be connected, longitudinal side rails location-plate 27 pairs of longitudinal side rails bars 24 play the role of fastening, load guide rail slide block positioning strip 30 is to load guide rail slide block 29 location such as vertical fixation.
Vertical rail plate bar 19, vertical slider type linear displacement transducer 22 and vertical Steel Ruler 21 that described vertical deviation is measured in column assembly 4 are all fixed on vertical guide rail vertical columns framework 20, vertical rail plate bar 19 is arranged on vertical deviation and measures column assembly 4 and length travel and measure the side that triangle-frame assembly 3 is connected, and vertical slider type linear displacement transducer 22 and vertical Steel Ruler 21 are arranged on towards on the vertical guide rail vertical columns framework 20 of the side of horizontal forward.
Vertical shaft potential meter corner assembly 6 in described outer corner measurement assembly 1 is by vertical tube rotor supporting base 48, the vertical shaft potential meter axle fixed cap 40 of vertical tube rotor supporting base 48 upper end, be sleeved on the Z-axis tubular shaft flange 47 in the middle of vertical tube rotor supporting base 48 cylinder hole successively, vertical corner displacement sensor 39, vertical axis formula spring coupling 41, vertical shaft bearings pressure ring 42, Z-axis upper ball bearing 43, Z-axis lower ball bearing 44, dust ring 45 and Z-axis cross yoke locating ring 46 form, the sensor compressing tablet of described vertical corner displacement sensor 39 is fixedly connected with vertical shaft potential meter axle fixed cap 40, the core body of vertical corner displacement sensor 39 is connected with the upper end of vertical axis formula spring coupling 41, vertical axis formula spring coupling 41 is fixedly connected with by joint spider unitor pot bearing pin 50 and is arranged in the middle hole of vertical shaft bearings pressure ring 42, be provided with Z-axis bearing ring O type circle 49 in the outer ring recess of vertical shaft bearings pressure ring 42, vertical shaft bearings pressure ring 42 is fixed on Z-axis tubular shaft flange 47.
Described lateral shaft and longitudinal axis pot corner assembly 7 are pitched assembly 77 by joint spider upper end base fork 53, joint spider upper shaft fork lid 61, longitudinal corner displacement sensor 51, parallel longitudinal formula spring coupling 76, longitudinal axis pot axle fixed cap 52, Hooke's joint fork assembly 54 and joint spider bottom seat and are formed;
The described joint spider upper end base holes of pitching 53 vertical two walls and Hooke's joint pitch longitudinal forward axle of assembly 54 and longitudinal negative sense axle coaxial cooperation is connected, the vertical walls that joint spider upper shaft fork lid 61 and joint spider upper end base pitch 53 is fixedly connected with, the core body of longitudinal corner displacement sensor 51 inserts the endoporus of parallel longitudinal formula spring coupling 76 and fixes, longitudinal forward spindle nose of Hooke's joint fork assembly 54 inserts the endoporus of parallel longitudinal formula spring coupling 76 and fixes, longitudinal axis pot axle fixed cap 52 is sleeved on parallel longitudinal formula spring coupling 76 outer end and is fixedly connected with the vertical walls that joint spider upper end base pitches 53, the horizontal forward axle of Hooke's joint fork assembly 54 is coaxially connected with the holes that horizontal negative sense axle and joint spider bottom seat pitch vertical two walls of assembly 77.
Described transverse electric chi gets an electric shock and pulls that frame assembly 8 moves horizontal steel tank 69 by two transverse electric chi moving vertical steel tanks, 70, two transverse electric chis, angle steel 71 is moved in transverse electric chi contact, middle horizontal steel tank 72 is moved in transverse electric chi contact, transverse electric chi contact is moved middle steel tank 73 and the horizontal scale pointer 74 of hanging down and formed;
Two described transverse electric chis move one end of horizontal steel tank 69 and transverse electric chi contact and move angle steel 71 at right angle setting and fixing, the other end that two transverse electric chis move horizontal steel tank 69 is fixedly connected with respectively with one end of two transverse electric chi moving vertical steel tanks 70, the centre position that angle steel 71 is moved in the one end of moving middle horizontal steel tank 72, transverse electric chi contact and transverse electric chi contact is vertical and fixing, it is vertical and fix that the middle steel tank 73 that hangs down is moved in the transverse electric chi contact other end that moves middle horizontal steel tank 72 and transverse electric chi contact, horizontal scale pointer 74 is fixed on transverse electric chi contact and moves middle hanging down on steel tank 73.
Described vertical shaft potential meter corner assembly 6 is pitched 53 with described lateral shaft with the joint spider upper end base in longitudinal axis pot corner assembly 7 by Z-axis tubular shaft flange 47 and is fixedly connected with, pitch 53 intermediate groove portion being connected junction at Z-axis tubular shaft flange 47 and joint spider upper end base to be located by Z-axis cross yoke locating ring 46, described transverse electric chi get an electric shock pull frame assembly 8 to be fixed in described vertical shaft potential meter corner assembly 6 vertical tube rotor supporting base 48 on.
Described Hooke's joint fork assembly 54 is by Hooke's joint 62, joint spider horizontal forward position adjustment pad, the horizontal forward ball bearing of joint spider, the horizontal forward bearing cap of joint spider, joint spider horizontal negative sense position adjustment pad 63, the horizontal negative sense ball bearing 65 of joint spider, the horizontal negative sense bearing cap 64 of joint spider, joint spider longitudinal forward position adjustment pad, the longitudinal forward ball bearing of joint spider, the longitudinal forward bearing cap of joint spider, joint spider longitudinal negative sense position adjustment pad 66, the longitudinal negative sense ball bearing 67 of joint spider and the longitudinal negative sense bearing cap 68 of joint spider form, the longitudinal negative sense bearing cap 68 of described joint spider, the longitudinal negative sense ball bearing 67 of joint spider and joint spider longitudinal negative sense position adjustment pad 66 are sleeved on longitudinal negative sense axle of Hooke's joint 62 from outside to inside successively, the longitudinal forward bearing cap of joint spider, the longitudinal forward ball bearing of joint spider and joint spider longitudinal forward position adjustment pad are sleeved on longitudinal forward axle of Hooke's joint 62 from outside to inside successively, the horizontal negative sense bearing cap 64 of joint spider, the horizontal negative sense ball bearing 65 of joint spider and joint spider horizontal negative sense position adjustment pad 63 are sleeved on the horizontal negative sense axle of Hooke's joint 62 from outside to inside successively, the horizontal forward bearing cap of joint spider, the horizontal forward ball bearing of joint spider and joint spider horizontal forward position adjustment pad are sleeved on the horizontal forward axle of Hooke's joint 62 from outside to inside successively.
In described Hooke's joint 62, horizontal forward axle is pitched 57 with horizontal negative sense axle with described joint spider lower end base and is connected, and described Hooke's joint 62 longitudinal forward axle is pitched 53 with forward negative sense axle with described joint spider upper end base and is connected;
Described joint spider bottom seat fork assembly 77 is pitched centralized positioning pin 59 by joint spider lower end base fork 57, joint spider lower end yoke end cap 60, horizontal corner displacement sensor 55, horizontal run-in index spring coupling 75, lateral shaft pot axle fixed cap 56, joint spider lower end base fork gusset 58 and joint spider base and is formed;
Described horizontal corner displacement sensor 55 is connected on the horizontal negative sense axle of described Hooke's joint 62 by described horizontal run-in index spring coupling 75, described longitudinal corner displacement sensor 51 is connected on longitudinal negative sense axle of Hooke's joint 62 by described parallel longitudinal formula spring coupling 76, described joint spider lower end base fork 57 is fixedly connected with described joint spider lower end base fork gusset 58, and intermediate throughholes is pitched centralized positioning pin 59 by described joint spider base and located.
Described transverse slider formula linear displacement transducer 9 is made up of slider type linear displacement transducer end cap 33, slider type linear displacement transducer shell 34, slide block 35, slider type linear displacement transducer outgoing line plug 36, slider type linear displacement transducer briquetting 37 and slider type linear displacement transducer slide rail lid 38; Longitudinal sliding block formula linear displacement transducer 26, vertical slider type linear displacement transducer 22 are identical with transverse slider formula linear displacement transducer 9 structure.
They are all standard components, and ultimate principle is slide rheostat, utilize the change in displacement of slide block on line slideway to measure different resistances, are measured the change of slider displacement amount by the change of resistance.Conventional slider type linear displacement transducer has the slider type linear displacement transducer of the slider type linear displacement transducer of KTF series, TLH series, MTF series of blocks formula linear displacement transducer and STF series of blocks formula linear displacement transducer etc.
Described horizontal corner displacement sensor 55 is identical with longitudinal corner displacement sensor 51 structure, and described horizontal corner displacement sensor 55 is identical with vertical corner displacement sensor 39 structure.They are all standard components, and this sensor adopts the rotor of special shape and wound coil, and the rotary motion of armature spindle produces linear output signal, around preset zero-bit of dispatching from the factory move ± 60 altogether 120) degree.The sense of displacement of zero-bit is left in the phase place instruction of this output signal.Conventional corner level sensor has RVDT series corner level sensor, ACS series corner level sensor, AGS series corner level sensor and Technic series corner level sensor.
Technique effect of the present invention:
1, the present invention relates to a kind of device changed for measuring table space six degree of freedom be made up of lateral displacement measurement assembly, length travel measurement triangle-frame assembly, outer corner measurement assembly and vertical deviation measurement column assembly.Can the reading platform of direct convenience freely change in six of space.
2, the installation method of this measurement mechanism is also very easy, the joint spider bottom seat of outer corner measurement assembly fork gusset is connected with the platform that will measure, it is fixing in the horizontal plane that gusset bottom vertical column frame fixed by the vertical guide rail again vertical deviation being measured column assembly, the change of space six degree of freedom is there is along with measured platform, each measure portion of measurement mechanism also there occurs the change of position accordingly, we are passing through the reading of displacement pointer in Steel Ruler and the reading of corner displacement sensor, the six degree of freedom just can measuring platform like a cork spatially occurred has changed.
3, outer corner measurement assembly is responsible for the change of the angle around lateral shaft, longitudinal axis and vertical axle that measuring table occurs in space.And outer corner measurement assembly only produces horizontal displacement change on the lateral slide rail bar of lateral displacement measurement assembly, changed by the horizontal scale pointer transversal displacement that reading platform occurs in space in the horizontal Steel Ruler of lateral displacement measurement assembly of outer corner measurement assembly.Change because the slip on the longitudinal side rails bar of length travel measurement triangle-frame assembly of lateral displacement measurement assembly only produces a longitudinal displacement, changed by longitudinal scale bending pointer length travel that reading platform occurs in space in longitudinal Steel Ruler of length travel measurement triangle-frame assembly of lateral displacement measurement assembly.Only produce vertical displacement change because length travel measurement triangle-frame assembly slides on the vertical rail plate bar of vertical deviation measurement column assembly, the vertical scale bending pointer vertical deviation that reading platform occurs in space in the vertical Steel Ruler of vertical deviation measurement column assembly being measured triangle-frame assembly by length travel is changed.
Accompanying drawing explanation
Fig. 1 six degree of freedom measurement mechanism outward appearance axonometric drawing;
Fig. 2 outer corner measurement assembly outward appearance axonometric drawing;
Fig. 3 lateral displacement measurement assembly outward appearance axonometric drawing;
Fig. 4 lateral displacement measurement assembly outside drawing;
Triangle-frame assembly outside drawing is measured in Fig. 5 length travel;
Triangle frame left view is measured in Fig. 6 length travel;
Fig. 7 vertical deviation measures column assembly outward appearance axonometric drawing;
Fig. 8 transverse slider formula linear displacement transducer outside drawing;
The vertical shaft potential of Fig. 9 moves meter corner assembly explosive decomposition figure;
Figure 10 vertical shaft bearings pressure ring, cross-pin coupling pot bearing pin and vertical axis formula spring coupling assemble schematic diagram;
Figure 11 vertical shaft bearings pressure ring, cross-pin coupling pot bearing pin and vertical axis formula spring coupling assembling section figure;
Figure 12 lateral shaft and longitudinal axis pot corner assembly explosive decomposition figure;
Figure 13 Hooke's joint fork assembly explosive decomposition figure;
Figure 14 transverse electric chi contact pulls frame assembly outside drawing;
Figure 15 joint spider bottom seat fork assembly explosive view;
The horizontal corner displacement sensor of Figure 16 and horizontal run-in index spring coupling assemble schematic diagram;
Figure 17 lateral slide rail bar outside drawing;
Figure 18 six degree of freedom measurement mechanism front elevation;
Figure 19 is A place partial enlarged drawing in Figure 18, i.e. outer corner measurement assembly cross slide way slide block and lateral displacement measurement assembly cross slide way bar connection place partial enlarged drawing;
Figure 20 is that in Figure 18, B place partial enlarged drawing ， and Transverse connects and schematic appearance to get an electric shock mobile arm-tie and longitudinal scale bending pointer of the slide block of displacement measurement assembly transverse slider formula linear displacement transducer, longitudinal electronic ruler;
Figure 21 is C place partial enlarged drawing in Figure 18, and namely the slide block of triangle-frame assembly longitudinal sliding block formula linear displacement transducer is measured in length travel, vertical electronic ruler gets an electric shock mobile arm-tie and vertical scale bending pointer connects and schematic appearance;
In figure:
1-outer corner measurement assembly; 2-lateral displacement measurement assembly; Triangle-frame assembly is measured in 3-length travel; 4-vertical deviation measures column assembly; The load guide rail slide blocks such as 5-is horizontal; 6-vertical shaft potential meter corner assembly; 7-lateral shaft and longitudinal axis pot corner assembly; 8-transverse electric chi contact pulls frame assembly; 9-transverse slider formula linear displacement transducer; The horizontal Steel Ruler of 10-; 11-moves arm-tie in longitudinal electronic ruler contact; 12-cross slide way fixed cross framework; 13-lateral slide rail location-plate; 14-lateral slide rail ladder location-plate; 15-longitudinal scale bending pointer; The load guide rail slide blocks such as 16-is longitudinal; The load guide rail slide block positioning strips such as 17-is longitudinal; 18-lateral slide rail bar; The vertical rail plate bar of 19-; 20-vertical guide rail vertical columns framework; The vertical Steel Ruler of 21-; The vertical slider type linear displacement transducer of 22-; Gusset bottom the vertical column frame of 23-; 24-longitudinal side rails bar; The longitudinal Steel Ruler of 25-; 26-longitudinal sliding block formula linear displacement transducer; 27-longitudinal side rails location-plate; 28-longitudinal rail fixed triangle framework; The load guide rail slide blocks such as 29-is vertical; The load guide rail slide block positioning strips such as 30-is vertical; 31-moves arm-tie in vertical electronic ruler contact; 32 vertical scale bending pointers; 33-slider type linear displacement transducer end cap; 34-slider type linear displacement transducer shell; 35-slide block; 36-slider type linear displacement transducer outgoing line plug; 37-slider type linear displacement transducer briquetting; 38-slider type linear displacement transducer slide rail lid; The vertical corner displacement sensor of 39-; 40-vertical shaft potential meter axle fixed cap; 41-vertical axis formula spring coupling; 42-vertical shaft bearings pressure ring; 43-Z-axis upper ball bearing; 44-Z-axis lower ball bearing; 45-dust ring; 46-Z-axis cross yoke locating ring; 47-Z-axis tubular shaft flange; 48-vertical tube rotor supporting base; 49-Z-axis bearing ring O type circle; 50-cross-pin coupling pot bearing pin; The longitudinal corner displacement sensor of 51-; 52-longitudinal axis pot axle fixed cap; 53-joint spider upper end base fork; 54-Hooke's joint fork assembly; The horizontal corner displacement sensor of 55-; 56-lateral shaft pot axle fixed cap; 57-joint spider lower end base fork; 58-joint spider lower end base fork gusset; 59-joint spider base fork centralized positioning pin; 60-joint spider lower end yoke end cap; 61-joint spider upper shaft fork lid; 62-Hooke's joint; 63-joint spider horizontal negative sense position adjustment pad; The horizontal negative sense bearing cap of 64-joint spider; The horizontal negative sense ball bearing of 65-joint spider; 66-joint spider longitudinal negative sense position adjustment pad; The longitudinal negative sense ball bearing of 67-joint spider; The longitudinal negative sense bearing cap of 68-joint spider; 69-transverse electric chi moves horizontal steel tank; 70-transverse electric chi moving vertical steel tank; Angle steel is moved in 71-transverse electric chi contact; Middle horizontal steel tank is moved in 72-transverse electric chi contact; The middle steel tank that hangs down is moved in 73-transverse electric chi contact; The horizontal scale pointer of 74-; The horizontal run-in index spring coupling of 75-; The parallel longitudinal formula spring coupling of 76-; 77-joint spider bottom seat fork assembly.
Embodiment
Below in conjunction with embodiment described in accompanying drawing, structure of the present invention is described in further detail.
First set up coordinate system O-XYZ between the space shown in Fig. 1, the forward of definition X-axis is horizontal forward, and the forward of definition Y-axis is longitudinal forward, and the forward of definition Z axis is vertical forward.
With reference to Fig. 1 and Figure 18, a kind of device for the change of measuring table space six degree of freedom, measures triangle-frame assembly 3, outer corner measurement assembly 1 and vertical deviation measurement column assembly 4 form primarily of lateral displacement measurement assembly 2, length travel.
Outer corner measurement assembly 1 is connected with the lateral slide rail bar 18 of lateral displacement measurement assembly 2 by the load guide rail slide block 5 such as laterally, and in outer corner measurement assembly 1, transverse electric chi contact pulls the transverse electric chi contact of frame assembly 8 to move angle steel 71 to be connected fastening by screw bolt and nut with the slide block 35 of transverse slider formula linear displacement transducer in lateral displacement measurement assembly 2.The longitudinal side rails bar 24 that lateral displacement measurement assembly 2 measures triangle-frame assembly 3 by load guide rail slide block 16 and the length travel such as is longitudinally connected, and the longitudinal electronic ruler contact in lateral displacement measurement assembly 2 is moved arm-tie 11 and is connected by screw bolt and nut fastening with the slide block that longitudinal sliding block formula linear displacement transducer 26 in assembly 3 is measured in length travel.Length travel is measured triangle-frame assembly 3 and is connected with the vertical rail plate bar 19 that vertical deviation measures column assembly 4 by the load guide rail slide block 29 such as vertical, and the length travel vertical electronic ruler contact measured in triangle-frame assembly 3 is moved arm-tie 31 and is connected by screw bolt and nut fastening with the slide block that vertical deviation measures vertical slider type linear displacement transducer 22 in column assembly 4.
With reference to Fig. 2,9,10,11,12,13 and 14, outer corner measurement assembly 1 pulls the load guide rail slide blocks 5 such as frame assembly 8 and two transverse directions to form primarily of vertical shaft potential meter corner assembly 6, lateral shaft and longitudinal axis pot corner assembly 7, transverse electric chi contact.
Described vertical shaft potential meter corner assembly 6 is pitched 53 by Z-axis tubular shaft flange 47 and the joint spider upper end base in lateral shaft and longitudinal axis pot corner assembly 7 and is connected by screw bolt and nut fastening, and pitches 53 intermediate groove portion being connected junction at Z-axis tubular shaft flange 47 and joint spider upper end base and is located by Z-axis cross yoke locating ring 46.On the vertical tube rotor supporting base 48 that transverse electric chi contact pulls frame assembly 8 to be fastened by bolts in vertical shaft potential meter corner assembly 6.The load guide rail slide blocks 5 such as two transverse directions are also be fastened on the vertical tube rotor supporting base 48 in vertical shaft potential meter corner assembly 6 by screw bolt and nut.
Wherein vertical shaft potential meter corner assembly 6 is made up of vertical tube rotor supporting base 48, vertical corner displacement sensor 39, vertical shaft potential meter axle fixed cap 40, vertical axis formula spring coupling 41, vertical shaft bearings pressure ring 42, Z-axis bearing ring O type circle 49, cross-pin coupling pot bearing pin 50, Z-axis upper ball bearing 43, Z-axis lower ball bearing 44, dust ring 45, Z-axis cross yoke locating ring 46 and Z-axis tubular shaft flange 47.Described lateral shaft and longitudinal axis pot corner assembly 7 are pitched assembly 77 formed by joint spider upper end base fork 53, joint spider upper shaft fork lid 61, longitudinal corner displacement sensor 51, parallel longitudinal formula spring coupling 76, longitudinal axis pot axle fixed cap 52, Hooke's joint fork assembly 54, joint spider bottom seats.Described transverse electric chi contact pulls that frame assembly 8 moves horizontal steel tank 69 by two transverse electric chi moving vertical steel tanks, 70, two transverse electric chis, angle steel 71 is moved in transverse electric chi contact, middle horizontal steel tank 72 is moved in transverse electric chi contact, transverse electric chi contact is moved middle steel tank 73 and the horizontal scale pointer 74 of hanging down and formed.
The vertical tube rotor supporting base 48 of vertical electric displacement meter corner assembly 6 is thick cyclinders, outside is welded with a flat board, there is the groove of lateral direction penetrating the dull and stereotyped side back to cylinder, and the load guide rail slide blocks 5 such as two transverse directions are fixed therein, and the thick middle both sides of its cylinder hole are equally thin.The intermediate sleeve of cylinder hole has Z-axis tubular shaft flange 47, between the both sides that cylinder hole is thinner and Z-axis tubular shaft flange 47, Z-axis upper ball bearing 43 and Z-axis lower ball bearing 44 is housed.Between vertical tube rotor supporting base 48 and Z-axis tubular shaft flange 47, dust ring 45 is also housed equally, its position is in the below of Z-axis lower ball bearing 44.The upper end of ball bearing 43 is provided with vertical shaft bearings pressure ring 42 on the vertical axis, and vertical shaft bearings pressure ring 42 and vertical axis formula spring coupling 41 are equally between vertical tube rotor supporting base 48 and Z-axis tubular shaft flange 47.The core body of vertical corner displacement sensor 39 is connected with the upper end of vertical axis formula spring coupling 41, vertical axis formula spring coupling 41 is mounted in the hole in the middle of vertical shaft bearings pressure ring 42 by joint spider unitor pot bearing pin 50 by bolt, Z-axis bearing ring O type circle 49 is installed in the outer ring recess of vertical shaft bearings pressure ring 42, vertical shaft bearings pressure ring 42 is bolted on Z-axis tubular shaft flange 47, there is vertical shaft potential meter axle fixed cap 40 upper end of vertical tube rotor supporting base 48, the sensor compressing tablet of vertical corner displacement sensor 39 is connected fastening by bolt with vertical shaft potential meter axle fixed cap 40.
Two described transverse electric chis move one end of horizontal steel tank (69) and transverse electric chi contact and move angle steel (71) and install perpendicularly and be bolted connection, the other end that two transverse electric chis move horizontal steel tank (69) is connected respectively with one end of two transverse electric chi moving verticals steel tank (70), pass through fastening nuts, one end that middle horizontal steel tank (72) is moved in transverse electric chi contact is vertical with the centre position that angle steel (71) is moved in transverse electric chi contact, and be fastened by bolts, it is vertical and be bolted connection that the middle steel tank (73) that hangs down is moved in the transverse electric chi contact other end that moves middle horizontal steel tank (72) and transverse electric chi contact, horizontal scale pointer (74) is bolted and is fastened on transverse electric chi contact and moves middle hanging down on steel tank (73).
Described Hooke's joint fork assembly 54 is by Hooke's joint 62, joint spider horizontal forward position adjustment pad, the horizontal forward ball bearing of joint spider, the horizontal forward bearing cap of joint spider, joint spider horizontal negative sense position adjustment pad 63, the horizontal negative sense ball bearing 65 of joint spider, the horizontal negative sense bearing cap 64 of joint spider, joint spider longitudinal forward position adjustment pad, the longitudinal forward ball bearing of joint spider, the longitudinal forward bearing cap of joint spider, joint spider longitudinal negative sense position adjustment pad 66, the longitudinal negative sense ball bearing 67 of joint spider and the longitudinal negative sense bearing cap 68 of joint spider form.Described joint spider bottom seat fork assembly 77 is pitched centralized positioning pin 59 by joint spider lower end base fork 57, joint spider lower end yoke end cap 60, horizontal corner displacement sensor 55, horizontal run-in index spring coupling 75, lateral shaft pot axle fixed cap 56, joint spider lower end base fork gusset 58 and joint spider base and is formed.
Longitudinal negative sense bearing cap (68) of described joint spider, longitudinal negative sense ball bearing (67) of joint spider and longitudinal negative sense position adjustment pad (66) of joint spider are sleeved on longitudinal negative sense axle of Hooke's joint (62) from outside to inside successively; In like manner the longitudinal forward bearing cap of joint spider, the longitudinal forward ball bearing of joint spider and joint spider longitudinal forward position adjustment pad are sleeved on longitudinal forward axle of Hooke's joint (62) from outside to inside successively; Horizontal negative sense bearing cap (64) of joint spider, horizontal negative sense ball bearing (65) of joint spider and horizontal negative sense position adjustment pad (63) of joint spider are sleeved on the horizontal negative sense axle of Hooke's joint (62) from outside to inside successively; The horizontal forward bearing cap of joint spider, the horizontal forward ball bearing of joint spider and joint spider horizontal forward position adjustment pad are sleeved on the horizontal forward axle of Hooke's joint (62) from outside to inside successively.
The holes of described joint spider upper end base fork (53) vertical two walls and Hooke's joint pitch longitudinal forward axle of assembly (54) and longitudinal negative sense axle coaxial cooperation is connected, the vertical walls that joint spider upper shaft fork lid (61) and joint spider upper end base pitch (53) is bolted fastening, the core body of longitudinal corner displacement sensor (51) inserts the endoporus of parallel longitudinal formula spring coupling (76) and is fastened by bolts, longitudinal forward spindle nose of Hooke's joint fork assembly (54) also inserts the endoporus of parallel longitudinal formula spring coupling (76), be fastened by bolts, longitudinal axis pot axle fixed cap (52) is enclosed within parallel longitudinal formula spring coupling (76) outer end and is bolted fastening with the vertical walls that joint spider upper end base pitches (53).The horizontal forward axle of Hooke's joint fork assembly (54) is coaxially connected with the two vertical walls holes that horizontal negative sense axle and joint spider bottom seat pitch assembly (77).
With reference to Fig. 3,4,8 and 15, lateral displacement measurement assembly 2 by cross slide way fixed cross framework 12, transverse slider formula linear displacement transducer 9, lateral slide rail bar 18, horizontal Steel Ruler 10, longitudinal electronic ruler get an electric shock the load guide rail slide block 16 such as mobile arm-tie 11, longitudinal scale bending pointer 15, two longitudinal directions, lateral slide rail location-plate 13, lateral slide rail ladder location-plate 14 and longitudinally etc. load guide rail slide block positioning strip 17 form.
The cross slide way fixed cross framework 12 of lateral displacement measurement assembly 2 is rectangular parallelepiped housings, its side is welded with flat board, there is longitudinally through groove the side of dull and stereotyped cross slide way fixed cross framework dorsad, the load guide rail slide blocks 16 such as two longitudinal directions are installed, the opposite that cross slide way fixed cross framework 12 is welded with dull and stereotyped side is provided with transverse slider formula linear displacement transducer 9, and the briquetting of transverse slider formula linear displacement transducer 9 to be connected with cross slide way fixed cross framework 12 by bolt and fastening.The side that cross slide way fixed cross framework 12 measures column assembly 4 towards vertical deviation is provided with lateral slide rail bar 18, there is threaded hole and be fastened by bolts on cross slide way fixed cross framework 12 in the middle of lateral slide rail bar 18, lateral slide rail location-plate 13 and lateral slide rail ladder location-plate 14 are also fixed lateral slide rail bar 18, and are all bolted on cross slide way fixed cross framework 12.The side, opposite that cross slide way fixed cross framework 12 is provided with lateral slide rail bar 18 is provided with horizontal Steel Ruler 10 and arm-tie 11 is moved in longitudinal electronic ruler contact, and arm-tie 11 is moved respectively by being bolted on cross slide way fixed cross framework 12 in horizontal Steel Ruler 10 and longitudinal electronic ruler contact.Longitudinal scale bending pointer 15 is connected to longitudinal electronic ruler by screw bolt and nut and gets an electric shock on mobile arm-tie 11.
With reference to Fig. 5 and 6, vertical deviation is measured column assembly 4 and is made up of vertical guide rail vertical columns framework 20, vertical slider type linear displacement transducer 22, vertical rail plate bar 19, vertical Steel Ruler 21.
Vertical deviation is measured column assembly 4 and length travel and is measured on side that triangle-frame assembly 3 is connected and be provided with vertical rail plate bar 19, is fastened by bolts on vertical guide rail vertical columns framework 20.On the side of horizontal forward, vertical slider type linear displacement transducer 22 and vertical Steel Ruler 21 are installed, vertical Steel Ruler 21 is fastened by bolts on vertical guide rail vertical columns framework 20, and vertical slider type linear displacement transducer 22 briquetting is also fastened by bolts on vertical guide rail vertical columns framework 20.
With reference to Fig. 7, length travel is measured triangle-frame assembly 3 and is moved arm-tie 31, vertical scale bending pointer 32 and two load guide rail slide blocks 29 such as vertical by longitudinal rail fixed triangle framework 28, longitudinal sliding block formula linear displacement transducer 26, longitudinal side rails bar 24, longitudinal Steel Ruler 25, longitudinal side rails location-plate 27, the load guide rail slide block positioning strip 30 such as vertical, vertical electronic ruler contact and form.
The one side that length travel measurement triangle-frame assembly 3 is connected with lateral displacement measurement assembly 2 is provided with longitudinal side rails bar 24, be fastened by bolts on longitudinal rail fixed triangle framework 28, longitudinal side rails location-plate 27 also plays the role of fastening to longitudinal side rails bar 24, and be fastened by bolts on longitudinal rail fixed triangle framework 28, longitudinal rail fixed triangle framework 28 is provided with longitudinal sliding block formula linear displacement transducer 26 and longitudinal Steel Ruler 25 on the side of horizontal forward, longitudinal Steel Ruler 25 is fastened by bolts on longitudinal rail fixed triangle framework 28, longitudinal sliding block formula linear displacement transducer 26 briquetting is also fastened by bolts on longitudinal rail fixed triangle framework 28.Measure with vertical deviation side that column assembly 4 is connected and two load guide rail slide blocks 29 such as vertical are installed, two load guide rail slide blocks 29 such as vertical are fastened by bolts on longitudinal rail fixed triangle framework 28, the load guide rail slide block positioning strip 30 such as vertical of both sides is also be fastened by bolts on longitudinal rail fixed triangle framework 28, and also to the fixation of load guide rail slide block 29 positions such as vertical.
Owing to have employed above-mentioned connection, outer corner measurement assembly 1 only can produce horizontal displacement change on the lateral slide rail bar 18 of lateral displacement measurement assembly 2, is changed by horizontal scale pointer 74 transversal displacement that reading platform occurs in space in the horizontal Steel Ruler 10 of lateral displacement measurement assembly 2 of outer corner measurement assembly 1.Change because lateral displacement measurement assembly 2 slip on the longitudinal side rails bar 24 of length travel measurement triangle-frame assembly 3 only produces a longitudinal displacement, changed by longitudinal scale bending pointer 15 length travel that reading platform occurs in space in longitudinal Steel Ruler 25 of length travel measurement triangle-frame assembly 3 of lateral displacement measurement assembly 2.Only produce vertical displacement change because length travel measurement triangle-frame assembly 3 slides on the vertical rail plate bar 19 that vertical deviation measures column assembly 4, vertical scale bending pointer 32 vertical deviation that reading platform occurs in space in the vertical Steel Ruler 21 of vertical deviation measurement column assembly 4 being measured triangle-frame assembly 3 by length travel is changed.And outer corner measurement assembly 1 is responsible for the change of the angle around lateral shaft, longitudinal axis and vertical axle that measuring table occurs in space.So just can reading platform easily and effectively occur in space six degree of freedom change.
Claims (10)
1. the device measured for platform six degree of freedom, primarily of outer corner measurement assembly (1), lateral displacement measurement assembly (2), triangle-frame assembly (3) is measured in length travel and vertical deviation measures column assembly (4) composition, it is characterized in that:
Described outer corner measurement assembly (1) by lateral shaft and longitudinal axis pot corner assembly (7), be fixed on vertical shaft potential meter corner assembly (6) on lateral shaft and longitudinal axis pot corner assembly (7) and the transverse electric chi contact be separately fixed on vertical shaft potential meter corner assembly (6) pulls the load guide rail slide blocks (5) such as frame assembly (8), two transverse directions to form;
The load guide rail slide blocks (16) such as described lateral displacement measurement assembly (2) forms primarily of load guide rail slide blocks (16) such as cross slide way fixed cross framework (12), the transverse slider formula linear displacement transducer (9) be arranged on cross slide way fixed cross framework (12), lateral slide rail bar (18) and two longitudinal directions, longitudinal and cross slide way fixed cross framework (12) are arranged vertically;
Described length travel is measured triangle-frame assembly (3) and is formed primarily of longitudinal rail fixed triangle framework (28), the longitudinal side rails bar (24) be contained on longitudinal rail fixed triangle framework (28), longitudinal sliding block formula linear displacement transducer (26) and two load guide rail slide blocks (29) such as vertical;
Described vertical deviation measure column assembly (4) by vertical guide rail vertical columns framework (20) and be arranged on vertical rail plate bar (19) on vertical guide rail vertical columns framework (20), vertical slider type linear displacement transducer (22), vertical Steel Ruler (21) form;
Described outer corner measurement assembly (1) is contained on lateral displacement measurement assembly (2), described lateral displacement measurement assembly (2) is contained in length travel and measures on triangle-frame assembly (3), described length travel is measured triangle-frame assembly (3) and is contained on vertical deviation measurement column assembly (4), between outer corner measurement assembly (1) and lateral displacement measurement assembly (2), lateral displacement measurement assembly (2) and length travel are measured between triangle-frame assembly (3), length travel is measured triangle-frame assembly (3) and vertical deviation and is measured all to adopt between column assembly (4) and be slidably matched.
2. a kind of device measured for platform six degree of freedom according to claim 1, is characterized in that:
The load guide rail slide block (5) such as laterally of described outer corner measurement assembly (1) and lateral slide rail bar (18) sliding connection of described lateral displacement measurement assembly (2), the transverse electric chi contact of described outer corner measurement assembly (1) is moved angle steel (71) with the slide block (35) of the transverse slider formula linear displacement transducer of described lateral displacement measurement assembly (2) and is fixedly connected with;
Longitudinal side rails bar (24) sliding connection of triangle-frame assembly (3) is measured in the load guide rail slide block (16) such as longitudinally and the described length travel of described lateral displacement measurement assembly (2), and longitudinal electronic ruler contact of described lateral displacement measurement assembly (2) is moved arm-tie (11) with the slide block of longitudinal sliding block formula linear displacement transducer (26) and is fixedly connected with;
The described length travel load guide rail slide block (29) such as vertical of measuring triangle-frame assembly (3) and described vertical deviation measure vertical rail plate bar (19) sliding connection of column assembly (4), and longitudinal electronic ruler contact of described length travel measurement triangle-frame assembly (3) is moved arm-tie (11) and is fixedly connected with the slide block that vertical deviation measures the vertical slider type linear displacement transducer (22) of column assembly (4).
3. a kind of device measured for platform six degree of freedom according to claim 1, is characterized in that:
Described vertical shaft potential meter corner assembly (6) is pitched (53) by Z-axis tubular shaft flange (47) with the joint spider upper end base in lateral shaft and longitudinal axis pot corner assembly (7) and is fastenedly connected, pitch (53) be connected intermediate groove portion of junction at Z-axis tubular shaft flange (47) and joint spider upper end base to be located by Z-axis cross yoke locating ring (46), transverse electric chi contact pulls the load guide rail slide blocks (5) such as frame assembly (8) and two transverse directions to be fastened on the vertical tube rotor supporting base (48) in vertical shaft potential meter corner assembly (6).
4. a kind of device measured for platform six degree of freedom according to claim 1, is characterized in that:
Described transverse slider formula linear displacement transducer (9) is fixed on cross slide way fixed cross framework (12) end face, the load guide rail slide block positioning strips (17) such as the load guide rail slide blocks (16) such as two longitudinal directions and longitudinal direction are fixed on the bottom surface of cross slide way fixed cross framework (12), longitudinal scale bending pointer (15) is arranged on longitudinal electronic ruler contact and moves on arm-tie (11), lateral slide rail bar (18) is by lateral slide rail location-plate (13), lateral slide rail ladder location-plate (14) and be bolted to the side of cross slide way fixed cross framework (12), the opposite side that arm-tie (11) is fixed on cross slide way fixed cross framework (12) is moved in horizontal Steel Ruler (10) and longitudinal electronic ruler contact.
5. a kind of device measured for platform six degree of freedom according to claim 1, is characterized in that:
The longitudinal side rails bar (24) in triangle-frame assembly (3) is measured in described length travel, longitudinal sliding block formula linear displacement transducer (26) and two load guide rail slide blocks (29) such as vertical also comprise longitudinal Steel Ruler (25), longitudinal side rails location-plate (27), the load guide rail slide block positioning strip (30) such as vertical and vertical electronic ruler contact are moved arm-tie (31) and are all fixed on longitudinal rail fixed triangle framework (28), vertical scale bending pointer (32) is arranged on vertical electronic ruler contact and moves on arm-tie (31), longitudinal side rails bar (24) is fixed on the one side that length travel measurement triangle-frame assembly (3) is connected with lateral displacement measurement assembly (2), longitudinal sliding block formula linear displacement transducer (26) and longitudinal Steel Ruler (25) are arranged on the side of longitudinal rail fixed triangle framework (28), two load guide rail slide blocks (29) such as vertical are arranged on the side measured column assembly (4) with vertical deviation and be connected, longitudinal side rails location-plate (27) plays the role of fastening to longitudinal side rails bar (24), load guide rail slide block positioning strip (30) plays location fixation to the load guide rail slide block (29) such as vertical.
6. a kind of device measured for platform six degree of freedom according to claim 1 or 3, is characterized in that:
Described vertical deviation measures the vertical rail plate bar (19) in column assembly (4), vertical slider type linear displacement transducer (22) and vertical Steel Ruler (21) are all fixed on vertical guide rail vertical columns framework (20), vertical rail plate bar (19) is arranged on vertical deviation and measures column assembly (4) and measure with length travel the side that triangle-frame assembly (3) is connected, vertical slider type linear displacement transducer (22) and vertical Steel Ruler (21) are arranged on towards on the vertical guide rail vertical columns framework (20) of the side of horizontal forward.
7. a kind of device measured for platform six degree of freedom according to claim 1 or 3, is characterized in that:
Vertical shaft potential meter corner assembly (6) in described outer corner measurement assembly (1) is by vertical tube rotor supporting base (48), vertical shaft potential meter axle fixed cap (40) of vertical tube rotor supporting base (48) upper end, be sleeved on the Z-axis tubular shaft flange (47) in the middle of vertical tube rotor supporting base (48) cylinder hole successively, vertical corner displacement sensor (39), vertical axis formula spring coupling (41), vertical shaft bearings pressure ring (42), Z-axis upper ball bearing (43), Z-axis lower ball bearing (44), dust ring (45) and Z-axis cross yoke locating ring (46) composition, the sensor compressing tablet of described vertical corner displacement sensor (39) is fixedly connected with vertical shaft potential meter axle fixed cap (40), the core body of vertical corner displacement sensor (39) is connected with the upper end of vertical axis formula spring coupling (41), vertical axis formula spring coupling (41) is fixedly connected with by joint spider unitor pot bearing pin (50) and is arranged in the middle hole of vertical shaft bearings pressure ring (42), Z-axis bearing ring O type circle (49) is installed in the outer ring recess of vertical shaft bearings pressure ring (42), vertical shaft bearings pressure ring (42) is fixed on Z-axis tubular shaft flange (47).
8. a kind of device measured for platform six degree of freedom according to claim 1 or 3, is characterized in that:
Described lateral shaft and longitudinal axis pot corner assembly (7) are pitched (53), joint spider upper shaft fork lid (61), longitudinal corner displacement sensor (51), parallel longitudinal formula spring coupling (76), longitudinal axis pot axle fixed cap (52), Hooke's joint fork assembly (54) and joint spider bottom seat fork assembly (77) by joint spider upper end base and are formed;
The holes of described joint spider upper end base fork (53) vertical two walls and Hooke's joint pitch longitudinal forward axle of assembly (54) and longitudinal negative sense axle coaxial cooperation is connected, the vertical walls that joint spider upper shaft fork lid (61) pitches (53) with joint spider upper end base is fixedly connected with, the core body of longitudinal corner displacement sensor (51) inserts the endoporus of parallel longitudinal formula spring coupling (76) and fixes, longitudinal forward spindle nose of Hooke's joint fork assembly (54) inserts the endoporus of parallel longitudinal formula spring coupling (76) and fixes, longitudinal axis pot axle fixed cap (52) is sleeved on parallel longitudinal formula spring coupling (76) outer end and is fixedly connected with the vertical walls that joint spider upper end base pitches (53), the horizontal forward axle of Hooke's joint fork assembly (54) is coaxially connected with the holes that horizontal negative sense axle and joint spider bottom seat pitch vertical two walls of assembly (77).
9. a kind of device measured for platform six degree of freedom according to claim 1 or 3, is characterized in that:
Described transverse electric chi gets an electric shock and pulls that frame assembly (8) moves horizontal steel tank (69) by two transverse electric chi moving verticals steel tank (70), two transverse electric chis, angle steel (71) is moved in transverse electric chi contact, middle horizontal steel tank (72) is moved in transverse electric chi contact, transverse electric chi contact is moved middle steel tank (73) and the horizontal scale pointer (74) of hanging down and formed;
Two described transverse electric chis move one end of horizontal steel tank (69) and transverse electric chi contact and move angle steel (71) at right angle setting and fixing, the other end that two transverse electric chis move horizontal steel tank (69) is fixedly connected with respectively with one end of two transverse electric chi moving verticals steel tank (70), the centre position that angle steel (71) is moved in the one end of moving middle horizontal steel tank (72), transverse electric chi contact and transverse electric chi contact is vertical and fixing, it is vertical and fix that the middle steel tank (73) that hangs down is moved in the transverse electric chi contact other end that moves middle horizontal steel tank (72) and transverse electric chi contact, horizontal scale pointer (74) is fixed on transverse electric chi contact and moves on middle vertical steel tank (73),
Described vertical shaft potential meter corner assembly (6) is pitched (53) with described lateral shaft with the joint spider upper end base in longitudinal axis pot corner assembly (7) by Z-axis tubular shaft flange (47) and is fixedly connected with, pitch (53) be connected intermediate groove portion of junction at Z-axis tubular shaft flange (47) and joint spider upper end base to be located by Z-axis cross yoke locating ring (46), described transverse electric chi get an electric shock pull frame assembly (8) to be fixed in described vertical shaft potential meter corner assembly (6) vertical tube rotor supporting base (48) on.
10. a kind of device measured for platform six degree of freedom according to claim 8, is characterized in that:
Described Hooke's joint fork assembly (54) is by Hooke's joint (62), joint spider horizontal forward position adjustment pad, the horizontal forward ball bearing of joint spider, the horizontal forward bearing cap of joint spider, horizontal negative sense position adjustment pad (63) of joint spider, horizontal negative sense ball bearing (65) of joint spider, horizontal negative sense bearing cap (64) of joint spider, joint spider longitudinal forward position adjustment pad, the longitudinal forward ball bearing of joint spider, the longitudinal forward bearing cap of joint spider, longitudinal negative sense position adjustment pad (66) of joint spider, longitudinal negative sense ball bearing (67) of joint spider and longitudinal negative sense bearing cap (68) composition of joint spider, longitudinal negative sense bearing cap (68) of described joint spider, longitudinal negative sense ball bearing (67) of joint spider and longitudinal negative sense position adjustment pad (66) of joint spider are sleeved on longitudinal negative sense axle of Hooke's joint (62) from outside to inside successively, the longitudinal forward bearing cap of joint spider, the longitudinal forward ball bearing of joint spider and joint spider longitudinal forward position adjustment pad are sleeved on longitudinal forward axle of Hooke's joint (62) from outside to inside successively, horizontal negative sense bearing cap (64) of joint spider, horizontal negative sense ball bearing (65) of joint spider and horizontal negative sense position adjustment pad (63) of joint spider are sleeved on the horizontal negative sense axle of Hooke's joint (62) from outside to inside successively, the horizontal forward bearing cap of joint spider, the horizontal forward ball bearing of joint spider and joint spider horizontal forward position adjustment pad are sleeved on the horizontal forward axle of Hooke's joint (62) from outside to inside successively,
In described Hooke's joint (62), horizontal forward axle is pitched (57) with horizontal negative sense axle with described joint spider lower end base and is connected, and described Hooke's joint (62) longitudinal forward axle is pitched (53) with forward negative sense axle with described joint spider upper end base and is connected;
Described joint spider bottom seat fork assembly (77) pitches (57), joint spider lower end yoke end cap (60), horizontal corner displacement sensor (55), horizontal run-in index spring coupling (75), lateral shaft pot axle fixed cap (56) by joint spider lower end base, joint spider lower end base pitches gusset (58) and joint spider base fork centralized positioning pin (59) forms;
Described horizontal corner displacement sensor (55) is connected on the horizontal negative sense axle of described Hooke's joint (62) by described horizontal run-in index spring coupling (75), described longitudinal corner displacement sensor (51) is connected on longitudinal negative sense axle of Hooke's joint (62) by described parallel longitudinal formula spring coupling (76), described joint spider lower end base fork (57) is fixedly connected with described joint spider lower end base fork gusset (58), and intermediate throughholes is pitched centralized positioning pin (59) by described joint spider base and located.
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| CN104034662B (en) * | 2014-06-13 | 2016-05-25 | 北京工业大学 | A kind of accurate orientation tool-position indicator of measuring wafer residual stress for Raman spectroscopy |
| CN105806180B (en) * | 2016-05-24 | 2018-04-27 | 吉林大学 | Orthogonal formula six degree of freedom measuring device |
| CN108534654A (en) * | 2017-03-01 | 2018-09-14 | 上海先为土木工程有限公司 | Bridge beam slab top lifting height detection sensor |
| CN107378902A (en) * | 2017-06-26 | 2017-11-24 | 中车长春轨道客车股份有限公司 | A kind of high-precision instrumented wheelset chalker |
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| US8453512B2 (en) * | 2010-06-17 | 2013-06-04 | The Aerospace Corporation | High-frequency, hexapod six degree-of-freedom shaker |
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