CN111578815A - Three-degree-of-freedom positioning scale and equipment position calibration method - Google Patents

Three-degree-of-freedom positioning scale and equipment position calibration method Download PDF

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Publication number
CN111578815A
CN111578815A CN202010291529.9A CN202010291529A CN111578815A CN 111578815 A CN111578815 A CN 111578815A CN 202010291529 A CN202010291529 A CN 202010291529A CN 111578815 A CN111578815 A CN 111578815A
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CN
China
Prior art keywords
scale
degree
freedom positioning
line
freedom
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Pending
Application number
CN202010291529.9A
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Chinese (zh)
Inventor
张�杰
李超
揭力
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Beijing Simulation Center
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Beijing Simulation Center
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Priority to CN202010291529.9A priority Critical patent/CN111578815A/en
Publication of CN111578815A publication Critical patent/CN111578815A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/02Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0002Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
    • G01B5/0004Supports
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/24Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/24Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B5/245Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing perpendicularity
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/10Plumb lines
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/12Instruments for setting out fixed angles, e.g. right angles

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)

Abstract

The invention discloses a three-degree-of-freedom positioning scale and an equipment position calibration method, wherein the three-degree-of-freedom positioning scale comprises the following components: the supporting frame comprises a body part and a triangular supporting part for supporting the body part; a scale having scale lines formed on the surface thereof and fixed to the body; and one end of the line hangs down, and the other end of the line hangs down vertically, so that the problem of installation and positioning of equipment with large space, high precision and three degrees of freedom is solved.

Description

Three-degree-of-freedom positioning scale and equipment position calibration method
Technical Field
The invention relates to the technical field of equipment positioning. And more particularly, to a three-degree-of-freedom positioning scale and an apparatus position calibration method.
Background
The large-scale laboratory has the requirement of equipment installation, and the equipment may have a physical space relationship, so the equipment installation needs to be positioned, and the three degrees of freedom such as height, levelness and the like are determined.
The traditional equipment installation can only meet the requirements of two degrees of freedom, namely levelness or verticality. The installation requirements of large-space, high-precision and three-degree-of-freedom equipment are difficult to meet.
Disclosure of Invention
The invention aims to provide a three-degree-of-freedom positioning scale, which solves the problem of installation and positioning of equipment with large space, high precision and three degrees of freedom. The invention also aims to provide a device position calibration method applying the three-degree-of-freedom positioning scale.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention discloses a three-freedom-degree positioning scale, which comprises:
the supporting frame comprises a body part and a triangular supporting part for supporting the body part;
a scale having scale lines formed on the surface thereof and fixed to the body;
and one end of the line hangs down, and the other end of the line hangs down vertically.
Preferably, the method further comprises the following steps:
the surface of the cross-shaped reflector is provided with a mark line, and the cross-shaped reflector is fixed on the graduated scale and can slide on the graduated scale.
Preferably, the scale is fixed to the body portion perpendicularly with respect to the body portion.
Preferably, a through hole is formed in the graduated scale, and the connecting shaft penetrates through the through hole of the graduated scale and is fixed with the body part.
Preferably, the distance between the via hole and the lower end of the scale is one third of the length of the scale.
Preferably, the graduation lines on the graduated scale are the height relative to the bottom end of the support frame.
Preferably, the body portion is cylindrical.
Preferably, the connecting shaft penetrates through the through hole of the graduated scale, and two ends of the connecting shaft are fixedly connected with the cylindrical side wall.
Preferably, the device further comprises a mounting surface, a cross sign line is formed on the mounting surface, and the intersection point of the lower end of the line plumb and the cross sign line is correspondingly arranged.
The invention also discloses an equipment position calibration method applying the three-degree-of-freedom positioning scale, which comprises the following steps:
arranging a three-degree-of-freedom positioning scale on an installation surface on which a cross marking line is formed, and enabling the lower end of the line plumb to correspond to the intersection point of the cross marking line;
determining a scale mark with a preset height on the scale;
and arranging the mounting surface and the three-degree-of-freedom positioning scale on the mounting surface at the equipment mounting position, so that the intersection point of the lower end of the plumb line and the cross mark line corresponds again, and the scale mark with the preset height is the mounting center of the equipment.
The invention adopts the support frame as a support, and the graduated scale and the line plumb are arranged on the support frame. The graduated scale on the support frame can be used for showing the height position, can obtain the preset height of equipment fixing according to equipment size and preset mounted position. Meanwhile, the vertical direction is indicated through the plumb line, and the accuracy of the preset height of the equipment in the vertical direction is guaranteed. The three-degree-of-freedom positioning scale can provide visual installation for three-degree-of-freedom equipment with height, levelness and the like, and the installation precision can reach displacement +/-0.5 mm and levelness 5', which is visual precision. The invention can be widely applied to the installation process of a shielded darkroom or a three-axis flying turntable, improves the installation precision of the equipment and simplifies the difficulty of three-degree-of-freedom installation of the equipment.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a diagram of one embodiment of a three-degree-of-freedom positioning scale according to the present invention;
FIG. 2 is a second block diagram of an embodiment of a three-degree-of-freedom positioning scale according to the present invention;
FIG. 3 is a third block diagram of an embodiment of a three-degree-of-freedom positioning scale according to the present invention;
FIG. 4 is a diagram illustrating a fourth embodiment of a three-degree-of-freedom positioning scale according to the present invention;
fig. 5 is a flowchart illustrating an apparatus position calibration method using a three-degree-of-freedom positioning scale according to an embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the invention, the invention is further described below with reference to preferred embodiments and the accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
At present, large laboratories all have equipment installation requirements, and physical space relation may exist between equipment, so that equipment installation needs to be positioned, and three degrees of freedom such as height, levelness and the like are determined. The traditional equipment installation can only meet the requirements of two degrees of freedom, namely levelness or verticality. The installation requirements of large-space, high-precision and three-degree-of-freedom equipment are difficult to meet.
To solve the above problem, according to an aspect of the present invention, the present embodiment discloses a three-degree-of-freedom positioning scale. As shown in fig. 1 to 4, in the present embodiment, the three-degree-of-freedom positioning scale includes a support frame 3, a scale 1, and a plumb 4.
The support frame 3 includes a main body 31 and a triangular support 32 supporting the main body 31. The scale 1 has scale marks formed on its surface and is fixed to the body 31. One end of the line plumb 4 is fixed on the graduated scale 1, and the other end vertically droops.
The invention adopts the support frame 3 as a support, and the graduated scale 1 and the line plumb 4 are arranged on the support frame. The graduated scale 1 on the support frame 3 can be used for representing the height position, and the preset height of equipment installation can be obtained according to the equipment size and the preset installation position. Meanwhile, the vertical direction is indicated through the vertical line 4, and the accuracy of the preset height of the equipment in the vertical direction is guaranteed. The three-degree-of-freedom positioning scale can provide visual installation for three-degree-of-freedom equipment with height, levelness and the like, and the installation precision can reach displacement +/-0.5 mm and levelness 5', which is visual precision. The invention can be widely applied to the installation process of the shielding darkroom three-axis flying turntable, improves the installation precision of the equipment and simplifies the three-degree-of-freedom installation difficulty of the equipment.
In a preferred embodiment, the three-degree-of-freedom positioning scale further comprises a cross reflector 2, the surface of which is provided with mark lines, and the cross reflector is fixed on the scale 1 and can slide on the scale 1. It will be appreciated that in the preferred embodiment, the cross reflectors 2 are provided on the scale 1 and the scale markings on the scale 1 are marked by the markings on the cross reflectors 2. And aligning the mark line on the cross reflector 2 with the position of the preset height on the graduated scale 1 according to the preset height of the equipment installation so as to represent the installation center position of the equipment. Preferably, the marking line is a cross line, and can mark both a horizontal position and a vertical position.
In a preferred embodiment, the scale 1 is fixed to the body 31 perpendicularly with respect to the body 31. Preferably, the scale 1 is vertically fixed relative to the body portion 31, so that the scale marks of the scale 1 can be conveniently set by adopting the conventional scale, and the scale has wide applicability. In other embodiments, the scale 1 may be fixed to the body 31 at other positions and angles, and the scale lines of the scale 1 may be adjusted to represent the actual height by adjusting the scale line ratio.
In a preferred embodiment, a through hole is formed in the scale 1, and the connecting shaft 6 passes through the through hole of the scale 1 and is fixed to the body 31. In the preferred embodiment, the scale 1 is further fixed on the support frame 3 to fix the scale 1 on the support frame 3 by forming a through hole on the scale 1 and passing the through hole of the scale 1 through the connecting shaft 6. In other embodiments, the scale 1 may be fixed to the support 3 by other fixing methods, which is not limited by the present invention.
In a preferred embodiment, the distance between the via hole and the lower end of the scale 1 is one third of the length of the scale 1, so that the stable connection is maintained and the effectiveness of most parts of the scale 1 is ensured. In other embodiments, the via hole may be formed at other positions of the scale 1, and the present invention is not limited thereto.
In a preferred embodiment, the graduation marks on the scale 1 are height relative to the bottom end of the support 3. It will be appreciated that the scale markings of the scale 1 represent the height relative to the bottom end of the support 3 i.e. the scale markings of the scale 1 may represent the actual height of the current position for height positioning.
In a preferred embodiment, the body portion 31 is cylindrical. The body portion 31 has a cylindrical shape, and the triangular support portion 32 may include three support legs, which may be respectively fixedly connected to three directions of the lower edge of the cylindrical body portion 31 to stably support the body portion 31.
More preferably, the connecting shaft 6 passes through a through hole of the scale 1, and two ends of the connecting shaft 6 are fixedly connected with the cylindrical side wall. Two opposite fixing holes may be formed in the cylinder, so that two ends of the connecting shaft 6 passing through the through hole in the scale 1 respectively pass through the two fixing holes and are fixed, thereby fixing the connecting shaft 6 to the cylinder and fixing the scale 1 to the body 31. Preferably, the connecting shaft 6 can be selected from a screw, the screw penetrates through the fixing hole, one end of the screw is limited by the fixing hole, the other end of the screw penetrates out of the fixing hole to the outside of the cylinder, and the screw can be further locked through a nut 7.
In a preferred embodiment, the three-degree-of-freedom positioning scale further comprises a mounting surface 5, which mounting surface 5 can be used for mounting the device. A cross marking line 51 is formed on the mounting surface 5, and the lower end of the line plumb 4 is arranged corresponding to the intersection point of the cross marking line 51. It will be appreciated that by forming the cross-hair 51 on the mounting surface 5, it is possible to calibrate both the two degrees of freedom of the horizontal direction of the device on the one hand and the horizontal direction of the device on the other hand by corresponding to the vertical 4.
When the position of the device is calibrated, a cross marking line 51 is drawn on the device mounting surface 5 to be mounted, and the two degrees of freedom of the mounting surface 5 in the horizontal direction are calibrated according to the cross marking line 51 and the preset mounting position of the device to be mounted. Then the three-degree-of-freedom positioning scale is placed on the equipment mounting surface 5, and the support frame 3 is adjusted to enable the line plumb 4 to point to the intersection point of the centers of the cross mark lines 51.
According to the preset height requirement from the equipment installation center to the equipment installation surface 5, the height is measured by a steel tape, the cross reflector 2 is arranged or adjusted on the steel tape, and the distance from the center of the cross reflector 2 to the equipment installation surface 5 is the preset height requirement for equipment installation. In addition, the cross-shaped reflector 2 can be matched with other instruments to complete the positioning function. When the equipment mounting surface 5 is moved to a theoretical position, the posture of the equipment mounting surface 5 is adjusted by observing the deviation between the plumb 4 and the center of the cross line on the equipment mounting surface 5, so that the plumb 4 points to the intersection point of the centers of the cross mark lines 51 again, and meanwhile, the center of the cross reflector 2 meets the requirement of the height direction. At this time, the equipment installation surface 5 completes the positioning of three degrees of freedom simultaneously, and the installation posture of the equipment installation surface 5 is always displayed in real time.
Based on the same principle, the invention also discloses an equipment position calibration method applying the three-degree-of-freedom positioning scale. As shown in fig. 5, in this embodiment, the method includes:
s100: the three-degree-of-freedom positioning scale is arranged on the mounting surface 5 on which the cross mark line 51 is formed, so that the lower end of the line perpendicular to the mounting surface corresponds to the intersection point of the cross mark line 51.
S200: and determining the scale mark with the preset height on the graduated scale 1.
S300: and arranging the mounting surface 5 and the three-degree-of-freedom positioning scale on the mounting surface at the equipment mounting position, so that the intersection point of the lower end of the plumb line and the cross mark line 51 corresponds again, and the scale mark with the preset height is the mounting center of the equipment.
Because the principle of solving the problems of the method is similar to that of the three-degree-of-freedom positioning scale, the implementation of the method can refer to the implementation of the three-degree-of-freedom positioning scale, and details are not repeated here.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (10)

1. A three-degree-of-freedom positioning scale, comprising:
the supporting frame comprises a body part and a triangular supporting part for supporting the body part;
a scale having scale lines formed on the surface thereof and fixed to the body;
and one end of the line hangs down, and the other end of the line hangs down vertically.
2. The three degree-of-freedom positioning scale of claim 1, further comprising:
the surface of the cross-shaped reflector is provided with a mark line, and the cross-shaped reflector is fixed on the graduated scale and can slide on the graduated scale.
3. A three degree-of-freedom positioning scale according to claim 1, wherein the scale is fixed to the body perpendicularly with respect to the body.
4. The three-degree-of-freedom positioning scale according to claim 1, wherein a through hole is formed in the scale, and a connecting shaft passes through the through hole of the scale and is fixed to the body portion.
5. A three degree of freedom positioning scale according to claim 4 wherein the distance of the via hole from the lower end of the scale is one third of the length of the scale.
6. A three-degree-of-freedom positioning scale according to claim 1, wherein the scale marks are height relative to the bottom end of the support frame.
7. A three degree-of-freedom positioning scale according to claim 4, in which the body portion is cylindrical.
8. The three-degree-of-freedom positioning scale according to claim 7, wherein the connecting shaft passes through a through hole of the scale, and both ends of the connecting shaft are fixedly connected with the cylindrical side wall.
9. The three-degree-of-freedom positioning scale according to claim 1, further comprising a mounting surface on which a cross marking line is formed, wherein a lower end of the perpendicular line is disposed corresponding to an intersection point of the cross marking line.
10. An apparatus position calibration method using the three-degree-of-freedom positioning scale according to any one of claims 1-9, comprising:
arranging a three-degree-of-freedom positioning scale on an installation surface on which a cross marking line is formed, and enabling the lower end of the line plumb to correspond to the intersection point of the cross marking line;
determining a scale mark with a preset height on the scale;
and arranging the mounting surface and the three-degree-of-freedom positioning scale on the mounting surface at the equipment mounting position, so that the intersection point of the lower end of the plumb line and the cross mark line corresponds again, and the scale mark with the preset height is the mounting center of the equipment.
CN202010291529.9A 2020-04-14 2020-04-14 Three-degree-of-freedom positioning scale and equipment position calibration method Pending CN111578815A (en)

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Application Number Priority Date Filing Date Title
CN202010291529.9A CN111578815A (en) 2020-04-14 2020-04-14 Three-degree-of-freedom positioning scale and equipment position calibration method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010291529.9A CN111578815A (en) 2020-04-14 2020-04-14 Three-degree-of-freedom positioning scale and equipment position calibration method

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2569558A (en) * 1946-08-19 1951-10-02 Leo H Cormier Height gauge
CN202110336U (en) * 2011-07-06 2012-01-11 陈健 Spectrometer telescope reticle with range scale
CN104075658A (en) * 2014-06-23 2014-10-01 中国航空动力机械研究所 Laser positioning device and positioning method
CN206496764U (en) * 2017-02-27 2017-09-15 江南造船(集团)有限责任公司 A kind of measuring auxiliary mark post
CN206847598U (en) * 2017-03-13 2018-01-05 广西柳州中衡工程检测咨询有限公司 Chi support frame is found in settlement observation
CN207763695U (en) * 2017-12-20 2018-08-24 大连圣博尔测绘仪器科技有限公司 Can one man operation leveling device
CN208043079U (en) * 2018-03-31 2018-11-02 唐山钢铁集团微尔自动化有限公司 A kind of tool for the calibration of unmanned day garage position
CN208254480U (en) * 2018-04-28 2018-12-18 北京市新港永豪水务工程有限公司 A kind of Multifunctional total station instrument
CN209512872U (en) * 2019-01-07 2019-10-18 中国一冶集团有限公司 It is a kind of to automatically adjust vertical measuring scale
CN110410648A (en) * 2019-07-12 2019-11-05 青岛理工大学 Bracket for laser range finder
CN210196907U (en) * 2019-06-10 2020-03-27 四川柒零叁工程勘察设计有限公司 Level gauge
CN110953959A (en) * 2019-12-08 2020-04-03 徐州博泰矿山安全科技有限公司 Coal mine underground roadway tunneling measuring device

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2569558A (en) * 1946-08-19 1951-10-02 Leo H Cormier Height gauge
CN202110336U (en) * 2011-07-06 2012-01-11 陈健 Spectrometer telescope reticle with range scale
CN104075658A (en) * 2014-06-23 2014-10-01 中国航空动力机械研究所 Laser positioning device and positioning method
CN206496764U (en) * 2017-02-27 2017-09-15 江南造船(集团)有限责任公司 A kind of measuring auxiliary mark post
CN206847598U (en) * 2017-03-13 2018-01-05 广西柳州中衡工程检测咨询有限公司 Chi support frame is found in settlement observation
CN207763695U (en) * 2017-12-20 2018-08-24 大连圣博尔测绘仪器科技有限公司 Can one man operation leveling device
CN208043079U (en) * 2018-03-31 2018-11-02 唐山钢铁集团微尔自动化有限公司 A kind of tool for the calibration of unmanned day garage position
CN208254480U (en) * 2018-04-28 2018-12-18 北京市新港永豪水务工程有限公司 A kind of Multifunctional total station instrument
CN209512872U (en) * 2019-01-07 2019-10-18 中国一冶集团有限公司 It is a kind of to automatically adjust vertical measuring scale
CN210196907U (en) * 2019-06-10 2020-03-27 四川柒零叁工程勘察设计有限公司 Level gauge
CN110410648A (en) * 2019-07-12 2019-11-05 青岛理工大学 Bracket for laser range finder
CN110953959A (en) * 2019-12-08 2020-04-03 徐州博泰矿山安全科技有限公司 Coal mine underground roadway tunneling measuring device

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Application publication date: 20200825