CN1067502A - Horizontal arm type three-coordinate measuring machine - Google Patents
Horizontal arm type three-coordinate measuring machine Download PDFInfo
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- CN1067502A CN1067502A CN 92106499 CN92106499A CN1067502A CN 1067502 A CN1067502 A CN 1067502A CN 92106499 CN92106499 CN 92106499 CN 92106499 A CN92106499 A CN 92106499A CN 1067502 A CN1067502 A CN 1067502A
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- horizontal arm
- slide
- head tree
- guide rail
- counterweight
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Abstract
A kind of horizontal arm type three-coordinate measuring machine.X is "T"-shaped to guide rail, and slide is split type, main constitutes closed guide rail support to, side direction, bottom static pressure type air thrust bearing.Auxiliary strut be positioned at head tree X to the rear.Head tree is " " shape or " worker " font, and the ratio of width to height is 2-3, and horizontal arm has adopted line slideway.Adopt the single wire rope counterweight.The fixed length measuring staff is made of thin metallic tubd.Its kinetic stability is good.Rigidity is strong, and measuring error reduces 5-15%, and its installation, dismounting, convenient transportation can be widely used in the precision measurement of parts physical dimension, form and position tolerance.
Description
The present invention relates to three coordinate measuring machine, more particularly, is to be used for the physical dimension of precision measurement part, the horizontal arm type three-coordinate measuring machine of form and position tolerance.
Horizontal arm type three-coordinate measuring machine up to now has a guide rail that lies in a horizontal plane in the square-section on the support as the guide rail of three coordinate measuring machine X to motion." ㄇ " shape slide is contained in X by main on guide rail to static pressure type air thrust bearing and side direction static pressure type air thrust bearing.Head tree is fixedly connected on the slide, as three coordinate measuring machine Z to motion guide rail.Balladeur train is sleeved on the head tree by static pressure type air thrust bearing.Can tangential movement the horizontal arm of (Y of three coordinate measuring machine to) be contained in the balladeur train by static pressure type air thrust bearing.Auxiliary strut along Y to being fixed on the slide side by side with head tree.In the hollow auxiliary strut counterweight is housed.The pulley that counterweight is walked around head tree and auxiliary strut top with two wire rope is connected with balladeur train.
The motion of X, Y, three directions of Z is respectively by driving with servomotor, reduction gear, friction pulley or tape driving device.At X the grating chi is housed respectively on guide rail, head tree and horizontal arm.Front end at horizontal arm is equipped with gauge head.
When gauge head touches the survey part, the X that is installed on the slide reads stop position signal to, Z to grating ruler reading head to grating ruler reading head and the Y that is installed on the balladeur train, by computer system processor, draw the physical dimension of tested part or shape, site error result.
Because slide be " ㄇ " shape structure, have only lead to side direction static pressure type air thrust bearing, promptly its X does not seal to the guide rail supporting system.Therefore, pitch error is bigger in the three coordinate measuring machine motion process.Particularly for large-scale three coordinate measuring machine, the inertia of its moving component is big, and is bigger to the measuring accuracy influence.
Because horizontal arm is a cantilever design, the gauge head from its fulcrum (static pressure type air thrust bearing) to the horizontal arm end is its jib-length.This jib-length is variable in measuring process, therefore, at the gauge head end because the deflection deformation that horizontal arm deadweight and gauge head weight cause also is variable, thereby influence measuring accuracy.
Head tree on the slide and auxiliary strut along Y to arrangement, though help column door frame Y to rigidity, bad along X to rigidity, particularly for large-scale three coordinate measuring machine.
Walk around the pulley connection at column door frame top between horizontal arm and the counterweight by two wire rope.Because the tension force of two wire rope is difficult to transfer consistently, the horizontal arm unbalance stress also can influence measuring accuracy.
More than all kinds of reason, cause the horizontal arm type three-coordinate measuring machine measuring accuracy not high.
Purpose of the present invention, be to overcome above-mentioned shortcoming and defect, provide a kind of X to adopting rail closure version, horizontal arm adopts the line slideway form, measuring staff length is fixed, and head tree and auxiliary strut, are connected with steel cable between counterweight and the horizontal arm to layout along X, thereby can bigger raising measuring accuracy, be convenient to the horizontal arm type three-coordinate measuring machine of installing, transporting simultaneously.
In order to achieve the above object, horizontal arm type three-coordinate measuring machine of the present invention is by support, rack-mount X is to guide rail, be installed in the slide of X on guide rail with the supporting of static pressure type air bearing, be installed in head tree on the slide and hollow auxiliary strut, connect the sheet metal that head tree and auxiliary strut top make it to constitute framed structure, support the horizontal arm that is installed on the head tree with the static pressure type air bearing, be installed in two pulleys on the sheet metal at head tree and auxiliary strut top, be installed in the hollow auxiliary strut and walk around the counterweight that pulley is connected with horizontal arm with wire rope, be fastened on the measuring staff on the horizontal arm, be contained in the gauge head of measuring staff front end, drive slide respectively, horizontal arm, measuring staff makes it respectively along X, Z, Y is to the servomotor of motion, reduction gear, friction pulley or tape driving device and electric control system thereof, be installed in X respectively to guide rail, read X with cooperation on head tree and the horizontal arm, Z, the grating chi and the read head of the location coordinate of three directions of Y, the computer system that links to handle measurement data with gauge head and read head is constituted.
X is "T"-shaped to the xsect of guide rail.Being installed in the slide of X on guide rail is made of the slide upper body of " ㄇ " shape, the bolt and the register pin split of two plate shaped lower plates, connection and fastening upper body and lower plates.Slide supporting is installed in the static pressure type air bearing of X on guide rail constitutes closed guide rail support system at X to the upper and lower, left and right of the "T"-shaped xsect of guide rail four direction to static pressure type air thrust bearing, side direction static pressure type air thrust bearing and bottom static pressure type air thrust bearing by main.The kinematic accuracy that this closed guide rail support system helps reducing pitch error, improves slide.In addition, by the split type slide that slide upper body, lower plate, bolt and register pin constitute, be convenient to installation and removal, transportation.
Be installed in auxiliary strut on the slide along X to the rear that is positioned at head tree, the xsect of head tree is " ㄇ " shape or " worker " font, the width aspect ratio of its xsect is 2～3.Auxiliary strut along X to the rear that is arranged in head tree, this X to framed structure help improving its along X to rigidity.Head tree along Y to rigidity solve by the width aspect ratio that strengthens head tree.That is: make head tree width (along Y to size) greater than its height (along X to size).The width aspect ratio is that 2～3 o'clock effects are best, and its rigidity is big.The senior general that adds of head tree width dimensions increases inertia, for this reason, the xsect of head tree is designed to " ㄇ " shape or " worker " font.
Horizontal arm of the present invention is by the balladeur train that is installed on the head tree and can moves up and down along head tree, be fastened on crossbeam on the balladeur train with securing member, 4 blocks of webs that link balladeur train and crossbeam, be installed in two line slideways on the crossbeam, be installed in two slide blocks on the every line slideway, connect 4 slide blocks on two line slideways and the slide plate that measuring staff can be installed on it and constitute.The present invention has solved the problem that gauge head place deflection deformation constantly changes in the version of Y to the measuring staff that has adopted two line slideways and regular length, has improved measuring accuracy.Horizontal arm also adopts split modular structure, is convenient to install and transportation.
Measuring staff is made of thin-wall metal pipe, the pipe clamp and the securing member that are fixed on the slide plate.The thin-wall metal pipe is overlapped on the plane that is partly with on the slide plate, perhaps mills flatly, rotates to prevent measuring staff.Measuring staff also can be made of thin-wall metal square tube or thin-wall metal rectangular tube and pipe clamp and securing member.Can not rotate after square tube or rectangular tube are fastening.Because the length of measuring staff is changeless in measuring process, the deflection deformation at gauge head place also is a fixed value, is convenient to the computing machine correction.
The counterweight upside of horizontal arm fastening two pulleys.Two pulleys that counterweight is walked around with steel cable on the sheet metal at head tree and auxiliary strut top are connected with horizontal arm with two pulleys on the counterweight.The individual wire rope structure can make horizontal arm stressed evenly, thereby can improve measuring accuracy.
The task of horizontal arm type three-coordinate measuring machine of the present invention comes to this and finishes.
The present invention at X to having adopted closed guide rail support system and split-type structural slide, at Y to having adopted linear guide rail structure and regular length measuring staff, at Z to the head tree that has adopted big width aspect ratio, single wire rope counterweight and X to structures such as auxiliary struts, thereby improved the kinetic stability of X to motion, reduced the change amount of gauge head place deflection deformation in measuring process, strengthen the rigidity of moving component, and then improved the measuring accuracy of horizontal arm type three-coordinate measuring machine.Compare with the horizontal arm type three-coordinate measuring machine in past, measuring error of the present invention has reduced 5～15%.Parts such as slide of the present invention, horizontal arm have adopted split combination structure, are convenient to install, adjust, dismantle, transport.For large-scale three coordinate measuring machine, particularly convenient.It can be widely used in the precision measurement of physical dimension, form and position tolerance of component of machine.
Below in conjunction with embodiment and accompanying drawing thereof the present invention is done further explanation.
Fig. 1 is the front view of the embodiment of the invention 1.
Fig. 2 is the left view of embodiment 1.
Fig. 3 is the synoptic diagram of embodiment 1X to guide rail and slide.
Fig. 4 is the structural representation of embodiment 1 head tree and auxiliary strut.
Fig. 5 is the cut-open view of Fig. 4 along A-A.
Fig. 6 is the left view of Fig. 4.
Fig. 7 is the front view of embodiment 1 horizontal arm.
Fig. 8 is the vertical view of horizontal arm.
Fig. 9 is the measuring staff of embodiment 1 and the structural representation of slide plate.
Figure 10 is the structural representation of xsect of the head tree of embodiment 2.
Fig. 1 and Fig. 2 have described the general structure of the embodiment of the invention 1.Support 1, X have constituted the embodiment of the invention 1 to guide rail 2, slide 3, head tree 4, auxiliary strut 5, sheet metal 6, horizontal arm 7, pulley 11, measuring staff 8, gauge head 9 and counterweight 10, servomotor, reduction gear, friction pulley or tape driving device, electric control system, grating chi, read head, computer system etc.
Among Fig. 3, the X of embodiment 1 is "T"-shaped to the xsect of guide rail 2, and slide 3 is made of the slide upper body 15 of " ㄇ " shape, two lower plates 16, bolt 17, register pins 18.Main to static pressure type air thrust bearing 12, side direction static pressure type air thrust bearing 13, the closed guide rail support of bottom static pressure type air thrust bearing 14 formations system.
Among Fig. 4, auxiliary strut 5 along X to the rear that is positioned at head tree 4.
Among Fig. 5, the xsect of the head tree 4 of embodiment 1 is " ㄇ " shape, and its width B is 2 with the ratio of height H.
Among Fig. 6 as can be seen, counterweight 10 upsides fastening two pulleys 25, two pulleys 11 that steel cable 24 is walked around on the sheet metal 6 are connected with horizontal arm 7 with two pulleys 25.
Among Fig. 7 and Fig. 8, the horizontal arm 7 of embodiment 1 is made of balladeur train 26,27,4 blocks of webs of crossbeam 28, two line slideways 19,4 slide blocks 20, slide plates 21.Measuring staff 8 is installed on the slide plate 21.
Among Fig. 9, the measuring staff 8 of embodiment 1 is made of thin-wall metal pipe 29, the pipe clamp 22 and the securing member 23 that are fixed on the slide plate 21.Thin-wall metal pipe 29 is milled out a plane 30.
Among Figure 10, the xsect of the head tree 4 of embodiment 2 is " worker " font.The ratio of its width B and height H is 3.
The embodiment of the invention 1 and embodiment 2 install, dismantle, transport very convenient.The kinetic stability of its parts is good, and measuring accuracy improves a lot.Compare with the horizontal arm type three-coordinate measuring machine in past, error has reduced 5% and 7% respectively.It can be widely used in the precision measurement of physical dimension, form and position tolerance of component of machine.
Claims (7)
1, a kind of by support, rack-mount X is to guide rail, be installed in the slide of X on guide rail with the supporting of static pressure type air bearing, be installed in head tree on the slide and hollow auxiliary strut, the sheet metal that connects head tree and auxiliary strut top, support the horizontal arm that is installed on the head tree with the static pressure type air bearing, be installed in two pulleys on the sheet metal at head tree and auxiliary strut top, be installed in the hollow auxiliary strut and walk around the counterweight that pulley is connected with horizontal arm with wire rope, be fastened on the measuring staff on the horizontal arm, be contained in the gauge head of measuring staff front end, drive slide respectively, horizontal arm, measuring staff makes it along X, Z, Y is to the servomotor of motion, reduction gear, friction pulley or tape driving device and electric control system thereof, be installed in X respectively to guide rail, on head tree and the horizontal arm to read X, Z, the grating chi and the read head of the location coordinate of three directions of Y, link to handle the horizontal arm type three-coordinate measuring machine that computer system was constituted of measurement data with gauge head and read head, it is characterized in that said X is "T"-shaped to the xsect of guide rail, be installed in the slide upper body of the slide of X on guide rail by " ㄇ " shape, two plate shaped lower plates, connect and the bolt and the register pin of fastening upper body and lower plate constitute, the slide supporting be installed in the static pressure type air bearing of X on guide rail by the master to static pressure type air thrust bearing, side direction static pressure type air thrust bearing and bottom static pressure type air thrust bearing at X on the "T"-shaped xsect of guide rail, down, a left side, right four direction constitutes closed guide rail support system.
2, according to the described horizontal arm type three-coordinate measuring machine of claim 1, it is characterized in that said be installed in auxiliary strut on the slide along X to the rear that is positioned at head tree, the xsect of head tree is " ㄇ " shape or " worker " font, and the width of its xsect, aspect ratio are 2～3.
3, according to claim 1 or 2 described horizontal arm type three-coordinate measuring machines, it is characterized in that said horizontal arm is by the balladeur train that is installed on the head tree and can moves up and down along head tree, be fastened on crossbeam on the balladeur train with securing member, 4 blocks of webs that link balladeur train and crossbeam, be installed in two line slideways on the crossbeam, be installed in two slide blocks on the every line slideway, connect 4 slide blocks on two line slideways and the slide plate that measuring staff can be installed on it and constitute.
4, according to the described horizontal arm type three-coordinate measuring machine of claim 3, it is characterized in that said measuring staff is made of thin-wall metal pipe, the pipe clamp and the securing member that are fixed on the slide plate, the thin-wall metal pipe is overlapped on the plane that is partly with on the slide plate.
5,, it is characterized in that said measuring staff is made of thin-wall metal square tube or thin-wall metal rectangular tube, the pipe clamp and the securing member that are fixed on the slide plate according to the described horizontal arm type three-coordinate measuring machine of claim 3.
6, according to claim 1 or 2 described horizontal arm type three-coordinate measuring machines, it is characterized in that said counterweight upside fastening two pulleys, two pulleys that counterweight is walked around with steel cable on the sheet metal at head tree and auxiliary strut top are connected with horizontal arm with two pulleys on the counterweight.
7, according to the described horizontal arm type three-coordinate measuring machine of claim 3, it is characterized in that said counterweight upside fastening two pulleys, two pulleys that counterweight is walked around with steel cable on the sheet metal at head tree and auxiliary strut top are connected with horizontal arm with two pulleys on the counterweight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92106499 CN1067502A (en) | 1992-05-03 | 1992-05-03 | Horizontal arm type three-coordinate measuring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92106499 CN1067502A (en) | 1992-05-03 | 1992-05-03 | Horizontal arm type three-coordinate measuring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1067502A true CN1067502A (en) | 1992-12-30 |
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ID=4942167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92106499 Pending CN1067502A (en) | 1992-05-03 | 1992-05-03 | Horizontal arm type three-coordinate measuring machine |
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| CN (1) | CN1067502A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100453969C (en) * | 2004-12-31 | 2009-01-21 | 上海萨克斯动力总成部件***有限公司 | Three-coordinate measuring method and apparatus for measuring complicated curved surface |
| CN101460807B (en) * | 2006-04-06 | 2011-03-30 | 海克斯康测量技术有限公司 | Horizontal-arm coordinate measuring machine |
| CN102322812A (en) * | 2011-08-30 | 2012-01-18 | 合肥工业大学 | Small-Abbe-error three-dimensional measurement system |
| CN101441069B (en) * | 2007-11-19 | 2012-05-30 | 施耐德电器工业公司 | General purpose type measuring apparatus and positioning mechanism thereof |
| CN102679929A (en) * | 2012-06-04 | 2012-09-19 | 山东金马精汇天成精密技术有限公司 | Horizontal arm type three-coordinate measuring and ruling machine |
| CN102734333A (en) * | 2012-07-05 | 2012-10-17 | 北京理工大学 | Universal bulb shaft adjusting bracket for precise guide rail |
| CN102947668A (en) * | 2010-04-21 | 2013-02-27 | 卡尔蔡司工业测量技术有限公司 | Coordinate measuring unit with a belt drive for elongated carriages, with a device for producing a countertorque |
| CN103018505A (en) * | 2012-12-04 | 2013-04-03 | 无锡圆方半导体测试有限公司 | Probe correcting device |
| CN103353288A (en) * | 2013-07-25 | 2013-10-16 | 爱佩仪中测（成都）精密仪器有限公司 | Three-dimensional single-arm measuring machine with high stability |
| CN103557820A (en) * | 2013-11-16 | 2014-02-05 | 青岛弗尔迪测控有限公司 | High-stability long cantilever type coordinate measuring machine |
| CN105737781A (en) * | 2016-05-12 | 2016-07-06 | 青岛麦科三维高新技术有限公司 | Three-dimensional measuring device special for thin and long thin-wall workpiece |
| CN108827209A (en) * | 2018-09-03 | 2018-11-16 | 张家港中天精密模塑有限公司 | A kind of automotive wiper link detector |
| CN111721228A (en) * | 2019-03-18 | 2020-09-29 | 江苏理工学院 | Device and method for measuring line profile degree of automobile composite material molded part |
-
1992
- 1992-05-03 CN CN 92106499 patent/CN1067502A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100453969C (en) * | 2004-12-31 | 2009-01-21 | 上海萨克斯动力总成部件***有限公司 | Three-coordinate measuring method and apparatus for measuring complicated curved surface |
| CN101460807B (en) * | 2006-04-06 | 2011-03-30 | 海克斯康测量技术有限公司 | Horizontal-arm coordinate measuring machine |
| CN101441069B (en) * | 2007-11-19 | 2012-05-30 | 施耐德电器工业公司 | General purpose type measuring apparatus and positioning mechanism thereof |
| CN102947668B (en) * | 2010-04-21 | 2015-12-16 | 卡尔蔡司工业测量技术有限公司 | There is the tape drive of long table frame and the measurement of coordinates unit of countertorque generating apparatus |
| CN102947668A (en) * | 2010-04-21 | 2013-02-27 | 卡尔蔡司工业测量技术有限公司 | Coordinate measuring unit with a belt drive for elongated carriages, with a device for producing a countertorque |
| CN102322812A (en) * | 2011-08-30 | 2012-01-18 | 合肥工业大学 | Small-Abbe-error three-dimensional measurement system |
| CN102679929A (en) * | 2012-06-04 | 2012-09-19 | 山东金马精汇天成精密技术有限公司 | Horizontal arm type three-coordinate measuring and ruling machine |
| CN102734333A (en) * | 2012-07-05 | 2012-10-17 | 北京理工大学 | Universal bulb shaft adjusting bracket for precise guide rail |
| CN102734333B (en) * | 2012-07-05 | 2017-03-29 | 北京理工大学 | A kind of precise guide rail universal ball end axle adjusting bracket |
| CN103018505A (en) * | 2012-12-04 | 2013-04-03 | 无锡圆方半导体测试有限公司 | Probe correcting device |
| CN103353288A (en) * | 2013-07-25 | 2013-10-16 | 爱佩仪中测（成都）精密仪器有限公司 | Three-dimensional single-arm measuring machine with high stability |
| CN103353288B (en) * | 2013-07-25 | 2015-09-23 | 爱佩仪中测（成都）精密仪器有限公司 | Possesses the three-dimensional single-arm measurement machine of high-stability |
| CN103557820A (en) * | 2013-11-16 | 2014-02-05 | 青岛弗尔迪测控有限公司 | High-stability long cantilever type coordinate measuring machine |
| CN105737781A (en) * | 2016-05-12 | 2016-07-06 | 青岛麦科三维高新技术有限公司 | Three-dimensional measuring device special for thin and long thin-wall workpiece |
| CN105737781B (en) * | 2016-05-12 | 2019-02-12 | 青岛麦科三维测控技术股份有限公司 | The elongated dedicated 3-D measuring apparatus of thin wall work-piece |
| CN108827209A (en) * | 2018-09-03 | 2018-11-16 | 张家港中天精密模塑有限公司 | A kind of automotive wiper link detector |
| CN108827209B (en) * | 2018-09-03 | 2023-12-05 | 张家港中天精密模塑有限公司 | Automobile windscreen wiper rod detector |
| CN111721228A (en) * | 2019-03-18 | 2020-09-29 | 江苏理工学院 | Device and method for measuring line profile degree of automobile composite material molded part |
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