CN111649715A - Method for measuring eccentricity of azimuth angle of winch drum of main shaft and auxiliary shaft - Google Patents

Method for measuring eccentricity of azimuth angle of winch drum of main shaft and auxiliary shaft Download PDF

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CN111649715A
CN111649715A CN202010672211.5A CN202010672211A CN111649715A CN 111649715 A CN111649715 A CN 111649715A CN 202010672211 A CN202010672211 A CN 202010672211A CN 111649715 A CN111649715 A CN 111649715A
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point
total station
winch drum
winch
coordinates
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CN111649715B (en
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李存禄
王金正
李红友
郝洪猛
王龙江
孟凡超
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Linyi Mining Group Heze Coal Power Co Ltd
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Linyi Mining Group Heze Coal Power Co Ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C1/00—Measuring angles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
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Abstract

The invention discloses a method for measuring the azimuth eccentricity of a winch drum of a main and auxiliary well, which measures and calculates the coordinates of the central points of circular surfaces at two sides of the winch drum through a total station to respectively obtain the coordinate of a central point P of a left circular surface and the coordinate of a central point Q of a right circular surface. And calculating the azimuth angle of the winch drum and the height difference of the centers of the two sides according to the coordinates of the two central points, and judging whether the winch drum deviates. The invention can complete the measurement of the azimuth angle of the winch roller through the total station, and has the great advantage of low cost compared with the high cost of a theodolite industrial measurement system and an industrial three-dimensional scanning technology. In addition, the method can accurately measure the azimuth angle of the winch drum, effectively monitor the pose of the winch drum and provide technical support for the stable operation of the winch.

Description

Method for measuring eccentricity of azimuth angle of winch drum of main shaft and auxiliary shaft
Technical Field
The invention relates to the field of winch roller measurement, in particular to a method for measuring the azimuth eccentricity of a winch roller of a main shaft and an auxiliary shaft.
Background
The smooth operation of winch in the colliery is vital, because mining influence and aquifer moisture loss cause the removal of earth's surface, influence near the well head and construct the stability of building, and then make the winch cylinder take place to warp, bring the hidden danger for the winch operation. In addition, in order to reduce the abrasion of the winch bearing bush and the steel wire rope, the running stability of the winch and the stress correctness of each part are ensured. The related regulations have clear requirements on the inclination angle and the maximum deflection angle of the steel wire of the winch steel wire ropes of various models. However, after a long period of use, the above parameters may change significantly due to mining effects and deformation of the derrick. Therefore, the azimuth angle of the winch drum must be monitored over a long period of time. In the prior art, a theodolite industrial measuring system is introduced to monitor the direction of a winch drum of a main shaft and an auxiliary shaft, but measuring equipment and operation cost are high, and the theodolite industrial measuring system is not suitable for long-term measurement.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a method for measuring the azimuth eccentricity of the winch drum of the main and auxiliary wells, the measurement can be completed by using a total station, the measurement process is simple and easy to operate, and the cost is low.
The invention adopts the following technical scheme:
the method for measuring the azimuth eccentricity of the winch drum of the main shaft and the auxiliary shaft comprises the following steps:
step 1: selecting any point C on the left side surface of the winch roller, and then setting a point D right ahead of the point C, wherein the point C and the point D are on the same straight line;
step 2: arranging a known point B on one side of a winch drum, arranging a rearview known point A behind the point B, erecting a total station in the point B, building a station in the total station, inputting coordinates of the point A and the point B and the height of the total station, and finishing building the station by the total station aiming at the rearview point A;
and step 3: measuring three-dimensional coordinates (X) of point C by using total stationc,Yc,Zc) The plane coordinate of the D point is (X)c+ΔX,Yc) Wherein Δ X is the sum of points C andinputting the plane coordinates of the point D into a total station, and completing the measurement of the three-dimensional coordinates of the point D through the total station;
and 4, step 4: installing a total station at a point D, building the total station, inputting the known coordinates of the point D and the height of the total station, selecting a point B as a rear view point, and aiming at the point B to complete building;
and 5: measuring the side elevation of the winch drum, and adjusting a lens of the total station to clamp the cross wire of the total station on the upper tangent plane of the side face of the winch drum, wherein the observed point is P1Point, tangent line DP1Angle β to vertical1(ii) a The lens of the total station is adjusted downwards, so that the cross wire of the total station is clamped on the lower tangent plane of the side surface of the winch drum, and the observed point is P2Point, tangent line DP2Angle β to vertical2∠ P1DP2＝β2-β1；
Step 6: aim at P again1Point, total station lens rotates downwards
Figure BDA0002582707530000021
Then, the point on the side surface of the winch roller which is aligned is the point O;
and 7: the left side surface of the winch drum is a left circular surface, and the radius R of the left circular surface is calculated;
and 8: the coordinate (X) of the point P of the center point of the left circular surface is calculatedp,Yp,Zp)；
And step 9: selecting any point E on the right side surface of the winch drum, and then setting a point F right ahead of the point E, wherein the point E and the point F are on the same straight line; repeating the steps 2 to 8, and calculating the coordinate (X) of the central point Q of the right circular surfaceq,Yq,Zq)；
Step 10: and obtaining the azimuth angle of the winch roller and the height difference of the centers of the two sides of the winch roller according to the coordinates of the point P and the point Q.
Preferably, the calculation process of the radius R in step 7 is:
the distance between the total station and the DO is S1Then, then
Figure BDA0002582707530000022
Wherein the content of the first and second substances,
Figure BDA0002582707530000023
preferably, the calculation process of the coordinates of the P point in step 8 is as follows:
the projection point of the point P on the horizontal plane is P', the included angle between the straight line DO and the horizontal plane measured by the total station is theta, and the elevation of the point P is as follows: hp＝(S1+R)sinαθ；
The distance from the point D to the point P' is S2，
Figure BDA0002582707530000024
Then Xp＝Xc+ΔX+S2；
Yp＝Yc；
Zp＝(S1+R)sinαθ。
The invention has the beneficial effects that:
the method for measuring the eccentricity of the azimuth angle of the winch drum of the main and auxiliary wells can measure the azimuth angle of the winch drum through the total station, and has the great advantage of low cost compared with a theodolite industrial measurement system and the high cost of an industrial three-dimensional scanning technology. In addition, the method can accurately measure the azimuth angle of the winch drum, effectively monitor the pose of the winch drum and provide technical support for the stable operation of the winch.
Drawings
Fig. 1 is a schematic diagram of a coordinate measuring process of a point D.
Fig. 2 is a schematic diagram of the P-point coordinate measuring process.
FIG. 3 shows the azimuthal and high differential views.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
the main and auxiliary well winch drum can be seen as a cylinder in a simplified shape, the center coordinates of the left circular surface and the right circular surface of the cylinder need to be firstly solved when the azimuth angle of the central axis of the cylinder is calculated, and the connecting line of the two center coordinates is the space direction of the cylinder, so that the azimuth angle value on a plane can be solved, and the horizontal difference value of two shafts on a vertical plane can be solved.
With reference to fig. 1 to 3, the method for measuring the azimuth eccentricity of the winch drum of the main and auxiliary shafts comprises the following steps:
step 1: and selecting any point C on the left side surface of the winch drum, and then setting a point D right in front of the point C, wherein the point C and the point D are on the same straight line. The position of the D point is based on the convenience of erecting the total station.
Step 2: a known point B is arranged on one side of a winch drum, a rear-view known point A is arranged behind the point B, a total station is erected at the point B, a station is built in the total station, coordinates of the point A and the point B and the height of the total station are input, and the total station is aimed at the rear-view point A to complete the station building.
And step 3: measuring three-dimensional coordinates (X) of point C by using total stationc,Yc,Zc) The plane coordinate of the D point is (X)c+ΔX,Yc) And inputting the plane coordinate of the point D into a total station, and finishing the measurement of the three-dimensional coordinate of the point D through the total station. As shown in fig. 1.
And 4, step 4: and (3) installing the total station at the point D, building the total station, inputting the known coordinates of the point D and the height of the total station, selecting the point B as a rear view point, and aiming at the point B to complete building the station.
And 5: measuring the side elevation of the winch drum, and adjusting a lens of the total station to clamp the cross wire of the total station on the upper tangent plane of the side face of the winch drum, wherein the observed point is P1Point, tangent line DP1Angle β to vertical1(ii) a The lens of the total station is adjusted downwards, so that the cross wire of the total station is clamped on the lower tangent plane of the side surface of the winch drum, and the observed point is P2Point, tangent line DP2Angle β to vertical2∠ P1DP2＝β2-β1；
Step 6: aim at P again1Point, total station lens rotates downwards
Figure BDA0002582707530000031
Then, the point on the side surface of the winch roller which is aligned is the point O;
and 7: the left side surface of the winch drum is a left circular surface, and the radius R of the left circular surface is calculated;
the distance between DO measured by the total station is S1Then, then
Figure BDA0002582707530000032
Wherein the content of the first and second substances,
Figure BDA0002582707530000033
and 8: the coordinate (X) of the point P of the center point of the left circular surface is calculatedp,Yp,Zp)；
The projection point of the point P on the horizontal plane is P', the included angle between the straight line DO and the horizontal plane measured by the total station is theta, and the elevation of the point P is as follows: hp＝(S1+R)sinαθ；
The distance from the point D to the point P' is S2，
Figure BDA0002582707530000034
Then Xp＝Xc+ΔX+S2；
Yp＝Yc；
Zp＝(S1+R)sinαθ。
As shown in fig. 2.
And step 9: selecting any point E on the right side surface of the winch drum, and then setting a point F right ahead of the point E, wherein the point E and the point F are on the same straight line; repeating the steps 2 to 8, and calculating the coordinate (X) of the central point Q of the right circular surfaceq,Yq,Zq)；
Step 10: and obtaining the azimuth angle of the winch roller and the height difference of the centers of the two sides of the winch roller according to the coordinates of the point P and the point Q.
As shown in FIG. 3, the height difference of the centers of the two sides of the winch drum is Zp-ZqAnd the azimuth angle is the included angle between the PQ connecting line and the vertical plane.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.

Claims (3)

1. The method for measuring the azimuth eccentricity of the winch drum of the main shaft and the auxiliary shaft is characterized by comprising the following steps of:
step 1: selecting any point C on the left side surface of the winch roller, and then setting a point D right ahead of the point C, wherein the point C and the point D are on the same straight line;
step 2: arranging a known point B on one side of a winch drum, arranging a rearview known point A behind the point B, erecting a total station in the point B, building a station in the total station, inputting coordinates of the point A and the point B and the height of the total station, and finishing building the station by the total station aiming at the rearview point A;
and step 3: measuring three-dimensional coordinates (X) of point C by using total stationc,Yc,Zc) The plane coordinate of the D point is (X)c+ΔX,Yc) Inputting the plane coordinate of the point D into a total station, and finishing the measurement of the three-dimensional coordinate of the point D through the total station;
and 4, step 4: installing a total station at a point D, building the total station, inputting the known coordinates of the point D and the height of the total station, selecting a point B as a rear view point, and aiming at the point B to complete building;
and 5: measuring the side elevation of the winch drum, and adjusting a lens of the total station to clamp the cross wire of the total station on the upper tangent plane of the side face of the winch drum, wherein the observed point is P1Point, tangent line DP1Angle β to vertical1(ii) a The lens of the total station is adjusted downwards, so that the cross wire of the total station is clamped on the lower tangent plane of the side surface of the winch drum, and the observed point is P2Point, tangent line DP2Angle β to vertical2∠ P1DP2＝β2-β1；
Step 6: aim at P again1Point, total station lens rotates downwards
Figure FDA0002582707520000011
Then, the point on the side surface of the winch roller which is aligned is the point O;
and 7: the left side surface of the winch drum is a left circular surface, and the radius R of the left circular surface is calculated;
and 8: the coordinate (X) of the point P of the center point of the left circular surface is calculatedp,Yp,Zp)；
And step 9: selecting any point E on the right side surface of the winch drum, and then setting a point F right ahead of the point E, wherein the point E and the point F are on the same straight line; repeating the steps 2 to 8, and calculating the coordinate (X) of the central point Q of the right circular surfaceq,Yq,Zq)；
Step 10: and obtaining the azimuth angle of the winch roller and the height difference of the centers of the two sides of the winch roller according to the coordinates of the point P and the point Q.
2. The method for measuring the azimuth eccentricity of the winch drum of the main and auxiliary shaft according to claim 1, wherein the radius R in step 7 is calculated by:
the distance between the total station and the DO is S1Then, then
Figure FDA0002582707520000012
Wherein the content of the first and second substances,
Figure FDA0002582707520000013
3. the method for measuring the azimuth eccentricity of the winch drum of the main well and the auxiliary well as claimed in claim 2, wherein the calculation process of the coordinates of the point P in the step 8 is as follows:
the projection point of the point P on the horizontal plane is P', the included angle between the straight line DO and the horizontal plane measured by the total station is theta, and the elevation of the point P is as follows: hp＝(S1+R)sinαθ；
The distance from the point D to the point P' is S2，
Figure FDA0002582707520000021
Then Xp＝Xc+ΔX+S2；
Yp＝Yc；
Zp＝(S1+R)sinαθ。
CN202010672211.5A 2020-07-14 2020-07-14 Method for measuring eccentricity of azimuth angle of winch drum of main shaft and auxiliary shaft Active CN111649715B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116735079A (en) * 2023-08-15 2023-09-12 山东宇飞传动技术有限公司 Mining winch balance detection equipment and method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104330073A (en) * 2014-11-08 2015-02-04 鞍钢集团工程技术有限公司 Method for measuring gradient of chimney
CN105444737A (en) * 2015-11-29 2016-03-30 辽宁工程技术大学 Method for measuring high-rise cylindrical objects with total station instrument
CN106500663A (en) * 2017-01-06 2017-03-15 中国人民解放***箭军工程大学 A kind of gradient laser measurement method and system
CN210104822U (en) * 2019-05-29 2020-02-21 中国长江三峡集团有限公司福建分公司 Offshore wind turbine tower inclination angle and foundation settlement measuring device
CN111174771A (en) * 2020-01-19 2020-05-19 中国十七冶集团有限公司 Method for measuring verticality of stand column

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104330073A (en) * 2014-11-08 2015-02-04 鞍钢集团工程技术有限公司 Method for measuring gradient of chimney
CN105444737A (en) * 2015-11-29 2016-03-30 辽宁工程技术大学 Method for measuring high-rise cylindrical objects with total station instrument
CN106500663A (en) * 2017-01-06 2017-03-15 中国人民解放***箭军工程大学 A kind of gradient laser measurement method and system
CN210104822U (en) * 2019-05-29 2020-02-21 中国长江三峡集团有限公司福建分公司 Offshore wind turbine tower inclination angle and foundation settlement measuring device
CN111174771A (en) * 2020-01-19 2020-05-19 中国十七冶集团有限公司 Method for measuring verticality of stand column

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116735079A (en) * 2023-08-15 2023-09-12 山东宇飞传动技术有限公司 Mining winch balance detection equipment and method
CN116735079B (en) * 2023-08-15 2023-11-14 山东宇飞传动技术有限公司 Mining winch balance detection equipment and method

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