CN107218911B - Rock tunnel(ling) machine Cutting tool installation manner dimension measurement method - Google Patents
Rock tunnel(ling) machine Cutting tool installation manner dimension measurement method Download PDFInfo
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- CN107218911B CN107218911B CN201710612457.1A CN201710612457A CN107218911B CN 107218911 B CN107218911 B CN 107218911B CN 201710612457 A CN201710612457 A CN 201710612457A CN 107218911 B CN107218911 B CN 107218911B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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Abstract
The invention discloses a kind of rock tunnel(ling) machine Cutting tool installation manner dimension measurement methods, include the following steps: S1, the first reflector plate is installed on cutter head panel, it defines the central point of first reflector plate and is denoted as M, the D coordinates value of the central point O of the cutter head panel and the central point M of first reflector plate are gone out using total station survey；S2, the second reflector plate is installed on the anchor point of cutter to be measured, defines the central point of second reflector plate and is denoted as A, the D coordinates value of the central point A of second reflector plate is gone out using the total station survey；S3, application space analytic geometry method are combined calculating to the D coordinates value of the central point A of the central point M of first reflector plate, the central point O of the cutter head panel and second reflector plate, obtain the installation dimension data of cutter to be measured.This this method is applicable to the cutting tools measurement under different installations or use state, and measurement result precision is high, and measurement efficiency can be improved, and reduces measurement cost.
Description
Technical field
The present invention relates to boring machine cutter field of measuring technique, more particularly to a kind of rock tunnel(ling) machine Cutting tool installation manner size
Measurement method.
Background technique
In such as projects under construction such as Chuan Shan highway, subway, it is widely applied rock tunnel(ling) machine and carries out road construction.Tunnel
Various broken rock cutters are installed on development machine cutterhead, include mainly disk cutter and various fixed cutters, can various cutters
Be accurately positioned installation relation to the working performance of development machine by design position, thus is particularly important.How to examine each
Whether kind cutter, which carries out accurate installation according to the dimension data of design drawing, positions, and is that knife disc tool exfactory inspection process faces
Major issue.
Currently, the more common method of inspection is measured using the template scale of custom-made.Its measuring principle is big
It causes are as follows: cutter profile groove and size scale are carved in template according to the design installation site of each cutter, later by template
Bracket is fixed on cutter head center, and template can be rotated around cutter head center, by the way that plate groove and size scale is corresponding on cutterhead
Gap between the profile of cutter compares to measure the installation location dimension error of each cutter.
The advantages of this method is that intuitive, measurement result is very clear, but its disadvantages are that needs according to different knives
Tool arrangement targetedly processes dedicated templates scale, and measurement cost is caused to increase, and a large amount of template scale is unfavorable for depositing
Put management；In addition, the traditional measurement method is usually to carry out using when the installation of cutter positioning in factory, i.e., cutterhead and shield body be not
(cutterhead the is horizontal positioned) stage uses before being assembled, and installation measurement error is larger, and for shield machine user, in knife
Disk is difficult to detect Cutting tool installation manner size using this method, checked and accepted after installing, thus its versatility is not high.
Summary of the invention
Based on this, the present invention can be improved pair it is necessary to provide a kind of rock tunnel(ling) machine Cutting tool installation manner dimension measurement method
The installation location dimension for tunneling cutter carries out precise measurement, and measurement result precision is high, and its versatility is good, and measurement cost is low.
Its technical solution is as follows:
A kind of rock tunnel(ling) machine Cutting tool installation manner dimension measurement method, includes the following steps:
S1, the first reflector plate is installed on cutter head panel, the central point for defining first reflector plate is M, measures institute
State the D coordinates value of the central point O of cutter head panel and the central point M of first reflector plate；
S2, the second reflector plate is installed on the anchor point of cutter to be measured, the central point for defining second reflector plate is A,
Measure the D coordinates value of the central point A of second reflector plate；
S3, application space analytic geometry method are to the central point M of first reflector plate, the central point of the cutter head panel
The D coordinates value of the central point A of O and second reflector plate is combined calculating, obtains the installation dimension number of cutter to be measured
According to.
Above-mentioned rock tunnel(ling) machine Cutting tool installation manner dimension measurement method installs the first reflector plate on cutter head panel first, later
The D coordinates value that the central point O of cutter head panel and the central point M of the first reflector plate are obtained by total station survey, exists again later
Second reflector plate is installed on the anchor point of cutter to be measured, and obtained using total station survey the second reflector plate central point A three
Dimensional coordinate values, last application space analytic geometry method are combined calculating to the coordinate value of three central points, so as to
The installation dimension data of cutter to be measured out.In this way, can not only be dropped significantly from being directed to different cutter making dedicated templates scales
Low measurement cost, while the measurement method is applicable to the cutting tools measurement under different installations or use state, thus its versatility
It is good, and its measurement accuracy is good, test result precision is high, provides safeguard to tunnel the adjusting of Cutting tool installation manner size with correction.
The technical solution of the application is further described below:
In one of the embodiments, in the D coordinates value of central point O that step S1 measures the cutter head panel, with
Every 120 degree for rotational angle rotary head three times, and described first after rotating 120 degree every time with total station survey cutterhead is anti-
It penetrates the three-dimensional coordinate of the central point of piece and is denoted as M1 (x respectivelym1, ym1, zm1)、M2(xm2, ym2, zm2)、M3(xm3, ym3, zm3), by point
M1、M2And M3Determine a circumscribed circle, then the center of circle of the circumscribed circle is the central point O of the cutter head panel.
The analytic geometry calculating side of the D coordinates value of the central point O of the cutter head panel in one of the embodiments,
Method are as follows: the coordinate for defining the central point O of the cutter head panel is (xo, yo, zo), the radius of the circumscribed circle is Rm, by M1、M2、
M33 coordinates determine plane equation:
Above formula expansion transformation is obtained:
A1x+B1y+C1z+D1=0 (2)
Wherein:
A1=ym1zm2-ym1zm3-zm1ym2+ym3zm1+ym2zm3-ym3zm2
B1=-xm1zm2+xm1zm3+xm2zm1-xm3zm1-xm2zm3+xm3zm2
C1=xm1ym2-xm1ym3-xm2ym1+xm3ym1+xm2ym3-xm3ym2
D1=-xm1ym2zm3+xm1ym3zm2+xm2ym1zm3-xm3ym1zm2-xm2ym3zm1+xm3ym2zm1
By central coordinate of circle (xo, yo, zo) substitution formula (2):
A1xo+B1yo+C1zo+D1=0 (3)
It is obtained according to the distance of center of circle O point to M three different locations of point is all equal:
It is obtained by (5)-(4):
Remember A2=2 (xm2-xm1)；B2=2 (ym2-ym1)；C2=2 (zm2-zm1)；
Then above formula simplifies are as follows:
A2xo+B2yo+C2zo+D2=0 (7)
It is obtained by (6)-(4):
Remember A3=2 (xm3-xm1)；B3=2 (ym3-ym1)；C3=2 (zm3-zm1)；
Then above formula simplifies are as follows:
A3xo+B3yo+C3zo+D3=0 (8)
Formula (3), formula (7), formula (8) form one about (xo, yo, zo) ternary once linear equation group, use matrix form
It indicates are as follows:
Three-dimensional coordinate (the x of central point O of the cutter head panel can be acquired by solving this equation groupo, yo, zo):
Central coordinate of circle obtained by above formula, which is substituted into formula (4), to find out radius of circle:
Three-dimensional coordinate (the x of the Plane Equation (2) of cutter head panel and the central point O of cutter head panel has been found out aboveo, yo,
zo), and cutterhead rotation axis was exactly the plane normal of cutterhead rotary middle point, therefore the linear equation of cutterhead rotary shaft are as follows:
It includes calculating cutter to be measured in the installation dimension data of cutter to be measured that step S3, which is calculated, in one of the embodiments,
Installation radius Ra, set the three-dimensional coordinate of the anchor point A of cutter to be measured as (xa, ya, za), then point to the cutter head panel
Pivot axle vertical range be cutter to be measured installation radius Ra, the calculation formula of installation radius Ra are as follows:
It further includes calculating knife to be measured that step S3, which is calculated in the installation dimension data of cutter to be measured, in one of the embodiments,
The mounting height H of toola, wherein the vertical range of anchor point A to the cutter head panel of cutter to be measured is the peace of cutter to be measured
Fill height Ha, it is obtained according to the range formula put in space to plane:
It further includes calculating knife to be measured that step S3, which is calculated in the installation dimension data of cutter to be measured, in one of the embodiments,
The azimuth angle theta of toola, when setting cutter head panel turns to angle, θ, measure the anchor point A's of the cutter to be measured by total station
Three-dimensional coordinate is (xa, ya, za), the three-dimensional coordinate of the central point M of first reflector plate is (xm, ym, zm)；Remember the knife to be measured
The anchor point A of tool is A ' along subpoint of the central axis direction on cutter head panel of the cutter head panel, the cutter head panel
The direction vector of rotation axis is (A1, B1, C1), the vertical range of anchor point A to the cutter head panel of the cutter to be measured is
Ha, then it is (x according to the three-dimensional coordinate that the straight line equation (12) of cutterhead shaft can find out A ' pointa+HaA1, ya+HaB1, za+
HaC1)；
It is X-axis by O point and M point wire definition, then X-direction vector is (xo-xm, yo-ym, zo-zm), O point and A ' point connect
The direction vector of line is (xa-xo+HaA1, ya-yo+HaB1, za-zo+HaC1), remember xa'=xa-xo+HaA1；ya'=ya-yo+HaB1；
za'=za-zo+HaC1, then the angle between straight line OA ' and X-axis is the azimuth angle theta of cutter Aa, according to two straight lines in space
Angle formulae obtain:
Further include in one of the embodiments, step definition measurement coordinate system in step S1, that is, defines the cutterhead face
The Pivot axle of plate is Z axis and is positive along tunneling direction；The central point O and described first for defining the cutter head panel reflect
The line of the central point M of piece is X-axis and is positive along the center outwardly direction of the cutter head panel；Define the cutter head panel
The central point O vertical line vertical with X-axis be Y-axis and be positive along the center outwardly direction of the cutter head panel.
Detailed description of the invention
Fig. 1 is the step flow chart of rock tunnel(ling) machine Cutting tool installation manner dimension measurement method described in the embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, below in conjunction with attached drawing and specific embodiment party
Formula, the present invention is further described in detail.It should be understood that the specific embodiments described herein are only to solve
The present invention is released, and the scope of protection of the present invention is not limited.
It should be noted that when element is referred to as " being fixedly arranged on ", " being set to " or " install in " another element, it can be with
Directly on the other element or there may also be elements placed in the middle.When an element is considered as " connection " another yuan
Part, it can be directly to another element or may be simultaneously present centering elements；One element and another element
The concrete mode being fixedly connected can be achieved by the prior art, and details are not described herein, it is preferred to use the fixation side of threaded connection
Formula.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
Heretofore described " first ", " second " do not represent specific quantity and sequence, are only used for the differentiation of title.
As shown in Figure 1, a kind of rock tunnel(ling) machine Cutting tool installation manner dimension measurement method of the embodiment shown for the present invention, packet
Include following steps:
S1, the first reflector plate is installed on cutter head panel, the central point for defining first reflector plate is M, uses whole station
Instrument measures the D coordinates value of the central point O of the cutter head panel and the central point M of first reflector plate；
S2, the second reflector plate is installed on the anchor point of cutter to be measured, the central point for defining second reflector plate is A,
Go out the D coordinates value of the central point A of second reflector plate using the total station survey；
S3, application space analytic geometry method are to the central point M of first reflector plate, the central point of the cutter head panel
The D coordinates value of the central point A of O and second reflector plate is combined calculating, obtains the installation dimension number of cutter to be measured
According to.
Above-mentioned rock tunnel(ling) machine Cutting tool installation manner dimension measurement method installs the first reflector plate on cutter head panel first, later
The D coordinates value that the central point O of cutter head panel and the central point M of the first reflector plate are obtained by total station survey, exists again later
Second reflector plate is installed on the anchor point of cutter to be measured, and obtained using total station survey the second reflector plate central point A three
Dimensional coordinate values, last application space analytic geometry method are combined calculating to the coordinate value of three central points, so as to
The installation dimension data of cutter to be measured out.In this way, can not only be dropped significantly from being directed to different cutter making dedicated templates scales
Low measurement cost, while the measurement method is applicable to the cutting tools measurement under different installations or use state, thus its versatility
It is good, and its measurement accuracy is good, test result precision is high, provides safeguard to tunnel the adjusting of Cutting tool installation manner size with correction.
It should be noted that the anchor point of cutter to be measured is specially that boring machine cutter is arranged track in the above-described embodiments
The corresponding reference point in installation location dimension boundary line of various cutters in figure, and the anchor point of various cutters is generally located in pair of blade
Claim in point or characteristic point.In addition, the installation location dimension of cutter generally comprises installation radius, mounting height, azimuth and knife
Has angle of heel etc.；Wherein, Cutting tool installation manner radius: cutter positioning point (hobboing cutter point of a knife or cutting type blade midpoint) is away from cutterhead rotation
The vertical range (mm) of mandrel；Cutting tool installation manner height: vertical range (mm) of the cutter positioning point away from cutter head panel；Tool orientation
Angle: the angle of cutter positioning point and cutter head center line and X-axis；With X-direction for 0 °, counterclockwise it is positive；Cutter rolls
Angle: the angle of cutter itself symmetry axis and cutterhead center of rotation axis.Further, above-mentioned first reflector plate and the second reflector plate
Optional is transparent plastic sheet, and plastic sheet is marked equipped with "+", and the label positioning action that total station survey easy to use makes has
Convenience and accuracy are measured conducive to improving.Also, further includes step definition measurement coordinate system in step S1, that is, define the knife
The Pivot axle of disk plate is Z axis and is positive along tunneling direction；Define the central point O and described first of the cutter head panel
The line of the central point M of reflector plate is X-axis and is positive along the center outwardly direction of the cutter head panel；Define the cutterhead
The vertical line central point O of panel vertical with X-axis is Y-axis and is positive along the center outwardly direction of the cutter head panel.Such energy
It is enough to provide the coordinate-system of science to measurement method and system, it is mentioned to measure work for the subsequent coordinate value for carrying out a central point
The guarantee of confession.
In addition, being rotation with every 120 degree in the D coordinates value of central point O that step S1 measures the cutter head panel
Angle rotary head three times, and the central point of first reflector plate after rotating 120 degree every time with total station survey cutterhead
Three-dimensional coordinate and be denoted as M1 (x respectivelym1, ym1, zm1)、M2(xm2, ym2, zm2)、M3(xm3, ym3, zm3), by point M1、M2And M3It determines
One circumscribed circle, then the center of circle of the circumscribed circle is the central point O of the cutter head panel.Wherein, it is obtained using multiple measurement method
To the D coordinates value of multiple first reflector plates, and then the circumscribed circle by being formed obtains the central point O of cutter head panel, so has
Power improves the positioning accuracy of central point O, and then ensures subsequent measurement accuracy.Certainly, the size of above-mentioned rotational angle can be with
It floats up and down on the basis of 120 degree, such as 118 degree or 122 degree, or in other embodiments, is also possible to other rotations
Angular dimension, also all within the scope of protection of this application.
Further, the analytic geometry calculation method of the D coordinates value of the central point O of the cutter head panel are as follows: define institute
The coordinate for stating the central point O of cutter head panel is (xo, yo, zo), the radius of the circumscribed circle is Rm, by M1、M2、M33 coordinates are true
Determine plane equation:
Above formula expansion transformation is obtained:
A1x+B1y+C1z+D1=0 (2)
Wherein:
A1=ym1zm2-ym1zm3-zm1ym2+ym3zm1+ym2zm3-ym3zm2
B1=-xm1zm2+xm1zm3+xm2zm1-xm3zm1-xm2zm3+xm3zm2
C1=xm1ym2-xm1ym3-xm2ym1+xm3ym1+xm2ym3-xm3ym2
D1=-xm1ym2zm3+xm1ym3zm2+xm2ym1zm3-xm3ym1zm2-xm2ym3zm1+xm3ym2zm1
By central coordinate of circle (xo, yo, zo) substitution formula (2):
A1xo+B1yo+C1zo+D1=0 (3)
It is obtained according to the distance of center of circle O point to M three different locations of point is all equal:
It is obtained by (5)-(4):
Remember A2=2 (xm2-xm1)；B2=2 (ym2-ym1)；C2=2 (zm2-zm1)；
Then above formula simplifies are as follows:
A2xo+B2yo+C2zo+D2=0 (7)
It is obtained by (6)-(4):
Remember A3=2 (xm3-xm1)；B3=2 (ym3-ym1)；C3=2 (zm3-zm1)；
Then above formula simplifies are as follows:
A3xo+B3yo+C3zo+D3=0 (8)
Formula (3), formula (7), formula (8) form one about (xo, yo, zo) ternary once linear equation group, use matrix form
It indicates are as follows:
Three-dimensional coordinate (the x of central point O of the cutter head panel can be acquired by solving this equation groupo, yo, zo):
Central coordinate of circle obtained by above formula, which is substituted into formula (4), to find out radius of circle:
Three-dimensional coordinate (the x of the Plane Equation (2) of cutter head panel and the central point O of cutter head panel has been found out aboveo, yo,
zo), and cutterhead rotation axis was exactly the plane normal of cutterhead rotary middle point, therefore the linear equation of cutterhead rotary shaft are as follows:
The coordinate value of the central point O of cutter head panel, and this method application letter can be accurately calculated by above-mentioned calculating step
Single, versatility is good.
Based on any of the above embodiments, step S3 calculate in the installation dimension data of cutter to be measured include calculate to
The installation radius Ra for surveying cutter, sets the three-dimensional coordinate of the anchor point A of cutter to be measured as (xa, ya, za), then point to the knife
The vertical range of the Pivot axle of disk plate is the installation radius Ra of cutter to be measured, the calculation formula of installation radius Ra
Are as follows:
It so can fast and accurately calculate installation radius of the cutter to be measured on cutterhead, and test result precision
Height, while this method can not be limited by tool type, installation condition, versatility is good.
In addition, it further includes the mounting height for calculating cutter to be measured that step S3, which is calculated in the installation dimension data of cutter to be measured,
Ha, wherein the vertical range of anchor point A to the cutter head panel of cutter to be measured is the mounting height H of cutter to be measureda, according to
The range formula put in space to plane obtains:
It so can fast and accurately calculate mounting height of the cutter to be measured on cutterhead, and test result precision
Height, while this method can not be limited by tool type, Cutting tool installation manner or use state, versatility is good.
In further measuring process, step S3 calculate in the installation dimension data of cutter to be measured further include calculate it is to be measured
The azimuth angle theta of cuttera, when setting cutter head panel turns to angle, θ, the anchor point A of the cutter to be measured is measured by total station
Three-dimensional coordinate be (xa, ya, za), the three-dimensional coordinate of the central point M of first reflector plate is (xm, ym, zm)；Remember described to be measured
The anchor point A of cutter is A ', the cutter head panel along subpoint of the central axis direction on cutter head panel of the cutter head panel
Rotation axis direction vector be (A1, B1, C1), the vertical range of the anchor point A of the cutter to be measured to the cutter head panel
For Ha, then it is (x according to the three-dimensional coordinate that the straight line equation (12) of cutterhead shaft can find out A ' pointa+HaA1, ya+HaB1, za+
HaC1)；
It is X-axis by O point and M point wire definition, then X-direction vector is (xo-xm, yo-ym, zo-zm), O point and A ' point connect
The direction vector of line is (xa-xo+HaA1, ya-yo+HaB1, za-zo+HaC1), remember xa'=xa-xo+HaA1；ya'=ya-yo+HaB1；
za'=za-zo+HaC1, then the angle between straight line OA ' and X-axis is the azimuth angle theta of cutter Aa, according to two straight lines in space
Angle formulae obtain:
Azimuth of the cutter to be measured on cutterhead can be fast and accurately calculated by the above method and formula, and is tested
As a result precision is high, while this method can not be limited by tool type, Cutting tool installation manner or use state, and versatility is good.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of rock tunnel(ling) machine Cutting tool installation manner dimension measurement method, which comprises the steps of:
S1, the first reflector plate is installed on cutter head panel, the central point for defining first reflector plate is M, measures the knife
The D coordinates value of the central point M of the central point O of disk plate and first reflector plate；
S2, the second reflector plate is installed on the anchor point of cutter to be measured, the central point for defining second reflector plate is A, measurement
The D coordinates value of the central point A of second reflector plate out；
S3, application space analytic geometry method to the central point O of the central point M of first reflector plate, the cutter head panel with
And the D coordinates value of the central point A of second reflector plate is combined calculating, obtains the installation dimension data of cutter to be measured.
2. rock tunnel(ling) machine Cutting tool installation manner dimension measurement method according to claim 1, which is characterized in that surveyed in step S1
Measure in the D coordinates value of central point O of the cutter head panel, with every 120 degree for rotational angle rotary head three times, and with entirely
Instrument of standing measures the three-dimensional coordinate of the central point of first reflector plate after cutterhead rotates 120 degree every time and is denoted as M1 respectively
(xm1, ym1, zm1)、M2(xm2, ym2, zm2)、M3(xm3, ym3, zm3), by point M1、M2And M3Determine a circumscribed circle, then the circumscribed circle
The center of circle be the cutter head panel central point O.
3. rock tunnel(ling) machine Cutting tool installation manner dimension measurement method according to claim 2, which is characterized in that the cutterhead face
The analytic geometry calculation method of the D coordinates value of the central point O of plate are as follows: the coordinate for defining the central point O of the cutter head panel is
(xo, yo, zo), the radius of the circumscribed circle is Rm, by M1、M2、M33 coordinates determine plane equation:
Above formula expansion transformation is obtained:
A1x+B1y+C1z+D1=0 (2)
Wherein:
A1=ym1zm2-ym1zm3-zm1ym2+ym3zm1+ym2zm3-ym3zm2
B1=-xm1zm2+xm1zm3+xm2zm1-xm3zm1-xm2zm3+xm3zm2
C1=xm1ym2-xm1ym3-xm2ym1+xm3ym1+xm2ym3-xm3ym2
D1=-xm1ym2zm3+xm1ym3zm2+xm2ym1zm3-xm3ym1zm2-xm2ym3zm1+xm3ym2zm1
By central coordinate of circle (xo, yo, zo) substitution formula (2):
A1xo+B1yo+C1zo+D1=0 (3)
It is obtained according to the distance of center of circle O point to M three different locations of point is all equal:
It is obtained by (5)-(4):
Remember A2=2 (xm2-xm1)；B2=2 (ym2-ym1)；C2=2 (zm2-zm1)；
Then above formula simplifies are as follows:
A2xo+B2yo+C2zo+D2=0 (7)
It is obtained by (6)-(4):
Remember A3=2 (xm3-xm1)；B3=2 (ym3-ym1)；C3=2 (zm3-zm1)；
Then above formula simplifies are as follows:
A3xo+B3yo+C3zo+D3=0 (8)
One is formed about (x by formula (3), formula (7), formula (8)o, yo, zo) ternary once linear equation group, with matrix form table
It is shown as:
Three-dimensional coordinate (the x of central point O of the cutter head panel can be acquired by solving this equation groupo, yo, zo):
Central coordinate of circle obtained by above formula, which is substituted into formula (4), to find out radius of circle:
Three-dimensional coordinate (the x of the Plane Equation (2) of cutter head panel and the central point O of cutter head panel has been found out aboveo, yo, zo),
And cutterhead rotation axis was exactly the plane normal of cutterhead rotary middle point, therefore the linear equation of cutterhead rotary shaft are as follows:
4. rock tunnel(ling) machine Cutting tool installation manner dimension measurement method according to claim 3, which is characterized in that step S3 is calculated
Include the installation radius Ra for calculating cutter to be measured in the installation dimension data of cutter to be measured, sets the anchor point A's of cutter to be measured
Three-dimensional coordinate is (xa, ya, za), then the vertical range of the Pivot axle of the point to the cutter head panel is cutter to be measured
Radius Ra, the calculation formula of installation radius Ra are installed are as follows:
5. rock tunnel(ling) machine Cutting tool installation manner dimension measurement method according to claim 1, which is characterized in that step S3 is calculated
It further include the mounting height H for calculating cutter to be measured in the installation dimension data of cutter to be measureda, wherein the anchor point A of cutter to be measured
Vertical range to the cutter head panel is the mounting height H of cutter to be measureda, the range formula of plane is arrived according to point in space
:
6. rock tunnel(ling) machine Cutting tool installation manner dimension measurement method according to claim 5, which is characterized in that step S3 is calculated
It further include the azimuth angle theta for calculating cutter to be measured in the installation dimension data of cutter to be measureda, set cutter head panel and turn to angle, θ
When, it is (x by the three-dimensional coordinate that total station measures the anchor point A of the cutter to be measureda, ya, za), first reflector plate
The three-dimensional coordinate of central point M is (xm, ym, zm)；Remember the anchor point A of the cutter to be measured along the central axis side of the cutter head panel
It is A ' to the subpoint on cutter head panel, the direction vector of the rotation axis of the cutter head panel is (A1, B1, C1), it is described to
The vertical range for surveying anchor point A to the cutter head panel of cutter is Ha, then can according to the straight line equation (12) of cutterhead shaft
The three-dimensional coordinate for finding out A ' point is (xa+HaA1, ya+HaB1, za+HaC1)；
It is X-axis by O point and M point wire definition, then X-direction vector is (xo-xm, yo-ym, zo-zm), O point and A ' point line
Direction vector is (xa-xo+HaA1, ya-yo+HaB1, za-zo+HaC1), remember xa'=xa-xo+HaA1；ya'=ya-yo+HaB1；za'=
za-zo+HaC1, then the angle between straight line OA ' and X-axis is the azimuth angle theta of cutter Aa, according to the angle of two straight lines in space
Formula obtains:
7. rock tunnel(ling) machine Cutting tool installation manner dimension measurement method according to claim 1, which is characterized in that step S1 also
Measurement coordinate system is defined including step, that is, the Pivot axle for defining the cutter head panel is Z axis and is positive along tunneling direction；
The line of the central point O of the cutter head panel and central point M of first reflector plate is defined for X-axis and along the cutterhead face
The center outwardly direction of plate is positive；The central point O vertical line vertical with X-axis for defining the cutter head panel is Y-axis and along described
The center outwardly direction of cutter head panel is positive.
8. rock tunnel(ling) machine Cutting tool installation manner dimension measurement method according to claim 1, which is characterized in that the knife to be measured
The anchor point of tool is located on the symmetric points or characteristic point of blade.
9. rock tunnel(ling) machine Cutting tool installation manner dimension measurement method according to claim 1, which is characterized in that described first is anti-
It penetrates piece and second reflector plate is transparent plastic sheet.
10. rock tunnel(ling) machine Cutting tool installation manner dimension measurement method according to claim 9, which is characterized in that the plastics
On piece is marked equipped with "+".
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| CN110954017B (en) * | 2019-11-22 | 2021-03-16 | 武汉大学 | Method for acquiring and resolving laser scanning data reflected by any curved mirror |
| CN111222222B (en) * | 2019-11-28 | 2020-08-14 | 南京工业大学 | Shield cutter head contour design method considering stratum change |
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| CN1818640A (en) * | 2006-03-03 | 2006-08-16 | 广州市盾建地下工程有限公司 | Cutter wear inspection during tunnelling process of tunnel tunneller |
| CN102168959B (en) * | 2010-02-26 | 2012-11-28 | 中国海洋石油总公司 | Method for detecting space position state of each circular member bar of jacket in three-dimensional coordinate system |
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