CN104792295A - Mechanical surface roughness tester for measuring arc-shaped profiles - Google Patents

Mechanical surface roughness tester for measuring arc-shaped profiles Download PDF

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Publication number
CN104792295A
CN104792295A CN201510136657.5A CN201510136657A CN104792295A CN 104792295 A CN104792295 A CN 104792295A CN 201510136657 A CN201510136657 A CN 201510136657A CN 104792295 A CN104792295 A CN 104792295A
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China
Prior art keywords
measuring
arc
mechanical surface
pen
compressing tablet
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CN201510136657.5A
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CN104792295B (en
Inventor
王建秀
吴林波
殷尧
刘笑天
门龙
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Tongji University
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Tongji University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/30Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring roughness or irregularity of surfaces

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The invention relates to a mechanical surface roughness tester for measuring arc-shaped profiles. The mechanical surface roughness tester is used for measuring the overall roughness of the surfaces of the circular rock profiles and comprises a measuring body, a measuring telescopic arm and a measurer which are sequentially connected with one another. The measuring body comprises a handle, a grid paper reel, a bearing platform, a center shaft and a base which are coaxially sequentially connected with one another from top to bottom, single-side grid paper is arranged on the outer surface of the grid paper reel, the measurer comprises a profile pen and a scanning needle which are perpendicularly connected with each other, a nib of the profile pen is in contact with the single-side grid paper, and the scanning needle is connected with the center shaft by the measuring telescopic arm. Compared with the prior art, the mechanical surface roughness tester has the advantages of simple structure, low cost, wide measurement range, accuracy and reliability in representation meaning of measurement results, and the like.

Description

A kind of mechanical surface roughmeter for measuring arc-shaped section
Technical field
The present invention relates to a kind of roughmeter, especially relating to a kind of mechanical surface roughmeter for measuring arc-shaped section.
Background technology
In Rock And Soil, the roughness parameter of structural plane is the important evidence of research its mechanics, kinematical properties and engineering stability.Invent multiple machinery, intelligence and digitized surface roughometer at present.But existing apparatus is all for measuring the rectilinear profiles design of knot survey face.In fact, the roughness distribution characteristics of many rock structural faces is that it is anisotropic to exist in various degree, in order to reflect the overall Roughness Information of such structural plane, surface roughometer is generally adopted to measure the section of structural plane different directions at present, and it is averaged, process is loaded down with trivial details, and the reliability of analysis result obviously affecting by research fine degree.In fact, the overall Roughness Information of rock mass discontinuity, by measuring circular section along the overall normal direction of structural plane, by stretching for gained section and the acquisition of analysis.More existing intelligent digitalized equipment no doubt also can carry out this operation, but corresponding instrument is too heavy, carries inconvenience, and very expensive, are not easy to on-site sampling analysis.
Chinese patent CN2142192Y discloses a kind of profilograph, and this device is primarily of probe, ruling pen, counterbalance weight and fixed head composition, and former three is connected as a single entity.When putting into practice, ruling pen is vertically near fixed head, and probe vertical drops on structural plane, mobile balanced block, can measure the profile morphology of rock surface.Chinese patent CN2745025Y discloses a kind of roughness coefficient measurement instrument, and this device is primarily of compositions such as the screw mandrel installed in casing, casing, vernier scale, scriber, sensor, display, power supply, buttons.During use, by moving carriage, drive scriber to move on measurement structural plane, can intuitively show surveyed profile information.Can both being all for measuring rectilinear profiles design, being not easy to measure circular arc and even circular section.
The digital high precision three-dimensional laser scanners such as the IL-RIS-36D equipment that Optech company of Canada produces and the RIEGL VZ-400 equipment that Australian GMBH group releases, all can carry out 3-D scanning to structural plane surface, and obtain wherein arbitrary section.But its majority is not easy to field investigation to be carried and settles, and existing market price is all more than 10,000 yuans.
Summary of the invention
Object of the present invention be exactly provide that a kind of simple structure, cost are low, measurement range is wide to overcome defect that above-mentioned prior art exists, measurement result symbolical meanings is accurately and reliably for measuring the mechanical surface roughmeter of arc-shaped section.
Object of the present invention can be achieved through the following technical solutions:
A kind of mechanical surface roughmeter for measuring arc-shaped section, for the measurement of the overall roughness in circular rock profile surface, comprise the measurement main body connected successively, measure telescopic arm and measuring appliance, described measurement main body comprises the handle coaxially connected successively from top to bottom, grid reel, cushion cap, axis and base, described grid reel outside surface is provided with one-side net ruled paper, described measuring appliance comprises mutual section pen connected vertically and scanning needle, the nib of described section pen contacts with one-side net ruled paper, described scanning needle is connected with axis by measuring telescopic arm.
Described measurement telescopic arm comprises the sleeve, fixed arm, retracting cylinder and the syringe that connect successively, and described jacket casing is located on axis, and described syringe is set on scanning needle.
Described retracting cylinder comprises first order retracting cylinder sheathed successively, second level retracting cylinder and third level retracting cylinder, and described first order retracting cylinder is fixedly connected with sleeve, and described third level retracting cylinder is fixedly connected with syringe.
Described measurement main body also comprises the compressing tablet bar knob, the compressing tablet bar that are arranged on grid reel upper surface and is arranged on the compressing tablet of grid reel side, and described compressing tablet bar is connected with compressing tablet.
Described grid reel upper surface is also provided with two orthogonal radial markings lines, and Article 1 radial markings line is provided with knob, and Article 2 radial markings line is provided with spirit-leveling instrument.
Described measuring appliance also comprises the pen stand connecting section pen and scanning needle respectively, and described pen stand is square, and upper surface is provided with the section knob in order to fixing section pen.
Described spirit-leveling instrument is a strip water tank, and the centre of described tank top curved surfaces indicates center line scale, is provided with a bubble in water tank.
The top of described scanning needle and section pen is cylindric, and bottom is equal nib shape, and nib diameter is 0.1mm, and the needle point of described scanning needle adopts stiffer wear-resistant material to make, and described section pen is special water-color paintbrush, can on grid paper convenient curve plotting.
Described compressing tablet is arc compressing tablet, in the radius low-angle arc-shaped such as grid reel.
Described handle is dumbbell shaped.
Compared with prior art, the present invention has the following advantages:
One, simple structure, cost are low: this roughmeter is only made up of three parts, and structure is simple, and easy to operate, can replace the detector of original costliness, cost reduces greatly.
Two, measurement range is wide: measurement telescopic arm of the present invention comprises three groups of retracting cylinders, has three kinds of radiuses measured, can measure the roughness of multiple circular section, and practical, measurement range is wide, can study the impact of size effect on the overall roughness of structural plane.
Three, measurement result symbolical meanings is measured accurately and reliably: the nib diameter of scanning needle of the present invention and section pen is 0.1mm, grid paper length equals grid reel side girth, and length direction minimum scale is 1mm, and Width minimum scale is 0.5mm, measuring accuracy is high, and error is little.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present invention.
Fig. 2 is plan structure schematic diagram of the present invention.
Fig. 3 is one-side net ruled paper front schematic view.
Fig. 4 is the structural representation that the present invention measures that girth is 15 centimetres of circular sections.
Fig. 5 is the structural representation of knob of the present invention and screw.
Wherein, 1, base, 2, axis, 3, sleeve, 4, cushion cap, 5, grid reel, 6, one-side net ruled paper, 7, boundary line, 8, compressing tablet, 9, handle, 10, compressing tablet bar knob, 11, spirit-leveling instrument, 12, fixed arm, 13, first order retracting cylinder, 14, second level retracting cylinder, 15, third level retracting cylinder, 16, syringe, 17, scanning needle, 18, pen stand, 19, section pen, 20, a section knob, 21, compressing tablet bar, 22, radial markings line.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment:
As illustrated in fig. 1 and 2, a kind of mechanical surface roughmeter for measuring arc-shaped section, this roughmeter mainly comprises base 1, axis 2, grid reel 5, one-side net ruled paper 6, cushion cap 4, handle 9, scanning needle 17, pen stand 18, section pen 19, fixed arm 12 and first order retracting cylinder 13, second level retracting cylinder 14 and third level retracting cylinder 15 are formed, base 1, axis 2, cushion cap 4, grid reel 5 and the same axis of handle 9, be connected as a single entity successively, base 1, axis 2, cushion cap 4, grid reel 5 is the cylindrical of differing heights, cushion cap 4, grid reel 5, base 1, axis 2 four radius reduces successively, in axis 2, epimere place diameter slightly diminishes, sleeve 3 is limited with fit, handle 9 is dumb-bell shape, so that hand-held fixing, grid reel 5 end face is carved with two orthogonal radial markings lines 22, wherein a mark line is arranged a compressing tablet bar knob 10, a vertical boundary line 7 is also carved with in corresponding grid reel 5 side, the arc compressing tablet 8 that one is parallel to grid reel 5 side is set outside grid reel 5, compressing tablet 8 top inserts in the hole on grid reel 5 by compressing tablet bar 21, and screw in by compressing tablet bar knob 10 it is fixed, another radial markings line 22 is provided with the spirit-leveling instrument 11 paralleled with it, this spirit-leveling instrument is a strip water tank, the centre of tank top curved surfaces indicates center line scale, is provided with a bubble in water tank.
As shown in Figure 3, one-side net ruled paper 6 length equals the girth of grid reel 5, is 10 centimetres, and length direction minimum scale is 1mm, Width minimum scale is 0.5mm, for the orientation of clear and definite paper, the coarse scale line of one-side net ruled paper 6 is the multiple scale mark of 5mm, all indicates instruction arrow upwards in upper end, one-side net ruled paper 6 initial end first scale also indicates arrow, one-side net ruled paper 6 is around in grid reel 5 side, is just wearing grid surface outwardly, holds its whole story and is folded in boundary line, side place.
As shown in Figure 4, sleeve fit is limited on axis 2, fixed arm 12 is fixed with outside it, fixed arm 12 is hollow column casing, wherein having outer to the interior first order that is sheathed with successively to third level retracting cylinder, being fixed with cylindric syringe 16 outside third level arm cylinder 15, for limiting scanning needle 17, when three grades of retracting cylinders all shrink in cylinder, the girth that scanning needle 17 scans 360 degree of circumference is 10 centimetres; When only third level retracting cylinder 15 stretches out completely, the girth that scanning needle 17 scans 360 degree of circumference is 15 centimetres; When the second retracting cylinder 14 and third level retracting cylinder 15 stretch out completely, the girth that scanning needle 17 scans 360 degree of circumference is 20 centimetres; When whole three grades of retracting cylinders stretch out all completely, the girth that scanning needle 17 scans 360 degree of circumference is 30 centimetres.
Scanning needle 17 is in lip pencil, Upper cylindrical shape, lower end nib shape, nib diameter is set to 0.1mm, be defined in cylindrical shape syringe 16 inner, and can freely up and down move easily, scanning needle 17 top is fixed with cubic cylindricality pen stand 18, and pen stand 18 is provided with circular hole in the radial direction at grid reel 5, in order to fixing section pen 19, section pen 19 is special water-color paintbrush, can on grid paper 6 convenient curve plotting, a section profile is similar to scanning needle, Upper cylindrical shape, lower end nib shape, nib diameter is set to 0.1mm.
To measure the circular section that girth is 10 centimetres, now whole three grades of equal tight collapse of retracting cylinder are entered in fixed arm 12, first base 1 is placed on institute's geodesic structure face, hand is pinned handle 9 and is made it stable, one-side net ruled paper 6 is posted in grid reel 5 side, arrow upward, one-side net ruled paper 6 head and the tail connect in boundary line 7 place, pressure compressing tablet 8, one-side net ruled paper 6 is fixed, screw off compressing tablet bar knob 10, limit compressing tablet bar 21, scanning needle 17 is gone in corresponding orientation, one-side net ruled paper 6 initiating terminal compressing tablet 8 limit, again section pen 19 is adjusted near one-side net ruled paper 6 surface, screw off a section knob 20, section pen 19 is made to be fixed on pen stand 18, afterwards, force drives syringe 16, sleeve 3 is rotated around axis 2, after making the clockwise 360 degree of rotations of scanning needle 17, screw on a section knob 20, section pen 19 is moved apart one-side net ruled paper 6 paper, screw on compressing tablet bar knob 10, compressing tablet bar 21 is extracted out from grid reel 5, again one-side net ruled paper 6 is taken off, gained section on one-side net ruled paper 6 is the structural plane circular section form measured, in whole measuring process, need ensure that base 1 does not deflect to move.
Base 1 is cast for high-density rigid material, solid-state component beyond base 1 is generally light rigid materials and makes, be beneficial to Whole Equipment center of gravity close to survey face, good stability can be kept in measuring process, the thickness of one-side net ruled paper 6 is much smaller than the radius of grid reel 5, it is 10 centimetres that guarantee records circular section girth, one-side net ruled paper 6 face width degree is slightly less than the height of grid reel 5, grid reel 5 side can be fitted in completely with bonding veil ruled paper 6, sleeve 3 is subject to axis 2 and well limits, by forcing in syringe 17, band moving sleeve 3 is freely around axis 2360 degree rotation, but vertical or longitudinally can not depart from axis, scanning needle 17 is by the good restriction of syringe 16, syringe 16 inner wall smooth, scanning needle 17 can freely up and down sensitive movement wherein, but can not offset, equal to ensure the actual measurement radius of gained section, scanning needle 17 needle point is made by adamas, all closely limit between three grades of retracting cylinders and fixed arm 12, ensure that force can be extracted out successively, and when sleeve 3 rotates around axis 2, do not loosen to each other again.
As shown in Figure 5, compressing tablet bar 21 and section pen 19 are distinguished after in interpenetration network reel 5 and pen stand 18, all well fix respectively by screw-in compressing tablet bar knob 10 and a section knob 20, spirit-leveling instrument 11 shell is made up of transparent rigid material, be convenient to observe the motion of wherein bubble, ensure not fragile simultaneously.
When contrasting the anisotropy of surfaceness of many places on same structure face, the consistance in each bar contrast profile survey orientation need be considered.This is by when settling base 1, and to ensure on each measuring point that in spirit-leveling instrument 11, bubble is placed in the middle, the relative spacial orientation of each point on such obtained each bar section is consistent, and the starting point of section totally moves towards perpendicular azimuth distribution along with survey face.
When measuring girth and being the circular section of 15 centimetres, 20 centimetres and 30 centimetres, this instrument one-side net ruled paper 6 real income section is 10 centimeter length.For obtaining corresponding true round shape section, need by actual survey the prerequisite that section remains unchanged in high difference under, length value is multiplied by 1.5,2,3 respectively, obtains true profile morphology.When practical operation, easily the one-side net ruled paper 6 after scanning can be recorded section electronic edition, at 1.5 times, 2 times and 3 times that length direction extends for former length respectively, namely obtain the structural plane roughness form of actual scanning.

Claims (10)

1. one kind for measuring the mechanical surface roughmeter of arc-shaped section, for the measurement of the overall roughness in circular rock profile surface, it is characterized in that, comprise the measurement main body connected successively, measure telescopic arm and measuring appliance, described measurement main body comprises the handle (9) coaxially connected successively from top to bottom, grid reel (5), cushion cap (4), axis (2) and base (1), described grid reel (5) outside surface is provided with one-side net ruled paper (6), described measuring appliance comprises mutual section pen (19) connected vertically and scanning needle (17), the nib of described section pen (19) contacts with one-side net ruled paper (6), described scanning needle (17) is connected with axis (2) by measuring telescopic arm.
2. a kind of mechanical surface roughmeter for measuring arc-shaped section according to claim 1, it is characterized in that, described measurement telescopic arm comprises the sleeve (3), fixed arm (12), retracting cylinder and the syringe (16) that connect successively, described sleeve (3) is set on axis (2), and described syringe (16) is set on scanning needle (17).
3. a kind of mechanical surface roughmeter for measuring arc-shaped section according to claim 2, it is characterized in that, described retracting cylinder comprises first order retracting cylinder (13) sheathed successively, second level retracting cylinder (14) and third level retracting cylinder (15), described first order retracting cylinder (13) is fixedly connected with sleeve (3), and described third level retracting cylinder (15) is fixedly connected with syringe (16).
4. a kind of mechanical surface roughmeter for measuring arc-shaped section according to claim 1, it is characterized in that, described measurement main body also comprises the compressing tablet bar knob (10), the compressing tablet bar (21) that are arranged on grid reel (5) upper surface and is arranged on the compressing tablet (8) of grid reel (5) side, and described compressing tablet bar (21) is connected with compressing tablet (8).
5. a kind of mechanical surface roughmeter for measuring arc-shaped section according to claim 4, it is characterized in that, described grid reel (5) upper surface is also provided with two orthogonal radial markings lines (22), Article 1, radial markings line is provided with knob (10), and Article 2 radial markings line is provided with spirit-leveling instrument (11).
6. a kind of mechanical surface roughmeter for measuring arc-shaped section according to claim 1, it is characterized in that, described measuring appliance also comprises the pen stand (18) connecting section pen (19) and scanning needle (17) respectively, described pen stand (18) is for square, and upper surface is provided with the section knob (20) in order to fixing section pen (19).
7. a kind of mechanical surface roughmeter for measuring arc-shaped section according to claim 5, it is characterized in that, described spirit-leveling instrument (11) is a strip water tank, and the centre of described tank top curved surfaces indicates center line scale, is provided with a bubble in water tank.
8. a kind of mechanical surface roughmeter for measuring arc-shaped section according to claim 1, it is characterized in that, described scanning needle (17) and the top of section pen (19) are cylindric, bottom is equal nib shape, nib diameter is 0.1mm, and the needle point of described scanning needle (17) adopts stiffer wear-resistant material to make.
9. a kind of mechanical surface roughmeter for measuring arc-shaped section according to claim 1, is characterized in that, described compressing tablet (8) is arc compressing tablet, in the radius low-angle arc-shaped such as grid reel (5).
10. a kind of mechanical surface roughmeter for measuring arc-shaped section according to claim 1, is characterized in that, described handle (9) is in dumbbell shaped.
CN201510136657.5A 2015-03-26 2015-03-26 A kind of mechanical surface roughmeter for being used to measure arc-shaped section Expired - Fee Related CN104792295B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106595560A (en) * 2016-10-31 2017-04-26 四川成发航空科技股份有限公司 Leaf molded surface roughness detection device
CN114136190A (en) * 2021-06-30 2022-03-04 永兴特种材料科技股份有限公司 Wire rod detects auxiliary device of roughness
CN114526707A (en) * 2022-04-25 2022-05-24 武汉市明煌建筑劳务有限公司 But light source angle skew degree self-detecting's measuring component for construction

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JPS55101801A (en) * 1979-01-31 1980-08-04 Mitsutoyo Mfg Co Ltd Method and apparatus for measuring ring gauge
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CN2745026Y (en) * 2004-11-18 2005-12-07 金华职业技术学院 Standard roughness ruler
CN202361941U (en) * 2011-12-02 2012-08-01 新源动力股份有限公司 Detector of flatness of bipolar plate of fuel cell
CN203053394U (en) * 2013-01-31 2013-07-10 中国铁建电气化局集团北方工程有限公司 Portable flatness detecting instrument
CN203981102U (en) * 2014-07-22 2014-12-03 中国地质大学(武汉) A kind of for recording the instrument of rock mass discontinuity surface undulation form

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2627239A1 (en) * 1975-06-18 1976-12-30 Masson Scott Thrissell Eng Ltd Fault detection in moving belts - in partic. in paper mfg. uses sensor motion amplified by springs
JPS55101801A (en) * 1979-01-31 1980-08-04 Mitsutoyo Mfg Co Ltd Method and apparatus for measuring ring gauge
CN86205743U (en) * 1986-08-11 1987-12-09 辽宁省锦州市交通局公路处 Arching factor measuring meter of highway pavement
CN1462865A (en) * 2002-05-30 2003-12-24 浙江工业大学 Multirange ruler of roughness
CN2745026Y (en) * 2004-11-18 2005-12-07 金华职业技术学院 Standard roughness ruler
CN202361941U (en) * 2011-12-02 2012-08-01 新源动力股份有限公司 Detector of flatness of bipolar plate of fuel cell
CN203053394U (en) * 2013-01-31 2013-07-10 中国铁建电气化局集团北方工程有限公司 Portable flatness detecting instrument
CN203981102U (en) * 2014-07-22 2014-12-03 中国地质大学(武汉) A kind of for recording the instrument of rock mass discontinuity surface undulation form

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106595560A (en) * 2016-10-31 2017-04-26 四川成发航空科技股份有限公司 Leaf molded surface roughness detection device
CN106595560B (en) * 2016-10-31 2018-10-26 四川成发航空科技股份有限公司 A kind of blade profile roughness detecting device
CN114136190A (en) * 2021-06-30 2022-03-04 永兴特种材料科技股份有限公司 Wire rod detects auxiliary device of roughness
CN114526707A (en) * 2022-04-25 2022-05-24 武汉市明煌建筑劳务有限公司 But light source angle skew degree self-detecting's measuring component for construction

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