CN111879301A - Method for calibrating middle waist line of underground inclined shaft - Google Patents
Method for calibrating middle waist line of underground inclined shaft Download PDFInfo
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- CN111879301A CN111879301A CN202010624776.6A CN202010624776A CN111879301A CN 111879301 A CN111879301 A CN 111879301A CN 202010624776 A CN202010624776 A CN 202010624776A CN 111879301 A CN111879301 A CN 111879301A
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- Prior art keywords
- waist line
- inclined shaft
- line
- calibrating
- waist
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
- G01C15/004—Reference lines, planes or sectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/02—Means for marking measuring points
Abstract
The invention discloses a method for calibrating a middle waist line of an underground inclined shaft, which comprises the following steps: firstly, opening an inclined shaft for 8-10 m; calibrating at least 3 points on the centerline of the inclined shaft: disposing a laser total station at an inclined shaft opening, rotating a vertical angle of the instrument to a design inclination angle, enabling laser light to pass through a center line, suspending an up-down adjustable plumb ball to the middle of a center line rope, clamping a marking clamp at the position of the rope pointed by the laser, measuring an apparent upper or lower distance L, completing calibration of a first waist line point, and completing calibration of at least another 2 waist line points in the same way; calibrating a waist line: and connecting at least 3 waist line points to obtain the waist line of the inclined shaft. The invention achieves the purpose of combining the middle line and the waist line into a whole by the up-down adjustable vertical ball hung in the shaft space, and the aiming of the middle line and the waist line is finished at one time, thus being convenient and intuitive; the complicated work of drilling the inclined shaft side wall is omitted, the operation is simplified, and the time is saved by more than 50%; the error of calibrating the waist line aiming by using the side wall is eliminated, and the precision is improved.
Description
Technical Field
The invention belongs to the field of mine measurement, and particularly relates to a method for calibrating a middle waist line of an underground inclined shaft.
Background
The method is characterized in that a direction line and a gradient line of inclined shaft tunneling are calibrated on site according to mining design, namely a middle waist line, and the purpose is to calibrate the direction and the gradient of the inclined shaft tunneling designed on a graph on the field. The central line is the geometric central line of the horizontal projection of the roadway; the waist line is the slope line of the inclined shaft or the roadway. The traditional methods for calibrating the waist line in the inclined shaft tunneling comprise a pseudo-inclination angle method, a slope gauge method, an instrument transverse wire method and a laser direction instrument method, the former three methods all need to drill holes on the side wall of the inclined shaft, at least three holes form a group, the rock drill bit often has side slip due to limited shaft space, time and labor are wasted, the waist line calibration difficulty is very high, the calibration waist line is used for aiming at the uneven side wall of the inclined shaft, the error is very large, the inclined shaft tunneling is opened, the top is prized, even a layered roadway cannot be communicated with the inclined shaft, and the reason is that the inclined shaft construction deviates from the design. The laser direction finder has high precision, but has high cost investment, and needs to remove equipment when tapping, and needs to be erected and calculated again by measuring personnel when tunneling.
Disclosure of Invention
The invention aims to: aiming at the problems, the invention provides a method for calibrating the middle waist line of an underground inclined shaft.
The technical scheme adopted by the invention is as follows:
a method for calibrating a middle waist line of an underground inclined shaft comprises the following steps:
s1, firstly, determining construction 8-10m according to the design direction and the gradient by using a compass and a gradient gauge at the shaft opening of the inclined shaft;
s2, calibrating the centerline of the inclined shaft at least 3 points: disposing a laser total station at an inclined shaft opening, rotating a vertical angle of the instrument to a design inclination angle, enabling laser light to pass through a center line, suspending an up-down adjustable plumb ball to the middle of a center line rope, clamping a marking clamp at the position of the rope pointed by the laser, measuring an apparent upper or lower distance L, completing calibration of a first waist line point, and completing calibration of at least another 2 waist line points in the same way;
s3, calibrating the waist line: and connecting at least 3 waist line points to obtain the waist line of the inclined shaft.
Preferably, a hanging weight is arranged on a thread rope at the lower end of the up-and-down adjustable plumb bob.
Preferably, the value of L is the difference between the sight height of the laser total station and the design waist line height of the inclined shaft.
Preferably, the vertically adjustable plumb ball is conical, a wire rope passing hole is drilled in the middle in the vertical direction, a brake screw hole is drilled in the transverse middle of the vertically adjustable plumb ball, and a corresponding brake screw is arranged in the brake screw hole.
Preferably, the diameter of the wire rope passing hole is 2-4 mm.
Preferably, the diameter of the stop screw hole is 3-5 mm.
The vertical adjustable plumb ball is suspended in the space of the shaft, so that the center line and the waist line are combined into a whole, the brake screw is used for locking the vertical movement of the plumb ball, and the vertical adjustable plumb ball is suspended in a right cone shape, so that the middle waist line can be conveniently aimed; the drooping ball depends on the dead weight and has good stability.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention achieves the purpose of combining the middle line and the waist line into a whole by the up-down adjustable vertical ball hung in the shaft space, and the aiming of the middle line and the waist line is finished at one time, thus being convenient and intuitive; the complicated work of drilling the inclined shaft side wall is omitted, the operation is simplified, and the time is saved by more than 50%; the error of calibrating the waist line aiming by using the side wall is eliminated, and the precision is improved; labor resources are saved, and the number of measuring personnel can be reduced from 4 in the past to 2.
(2) The invention can be applied to slope roads and roadway driving, and has more obvious effect; and the up-down adjustable vertical ball can be used repeatedly.
(3) And a reference light path is adopted, and data is detected in a differential mode without being influenced by the surrounding environment.
Drawings
FIG. 1 is a schematic illustration of the beltline calibration in a deviated well according to the present invention;
FIG. 2 is a schematic view of the vertically adjustable drop ball of the present invention;
FIG. 3 is a process flow diagram of the present invention.
Labeled as: 1-hanging a heavy object, 2-up and down adjustable vertical balls, 201-threading rope holes, 202-braking screw holes, 203-braking screws, 3-braking screws, 4-waist lines, 5-inclined shaft bottom sides, 6-designing inclined angle laser lines, 7-inclined shaft top sides, 8-inclined shaft central lines, 9-marking clips and 10-ropes.
Detailed Description
The present invention will be described in further detail in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
In order to save the tedious work of drilling on the side wall of the inclined shaft, eliminate the error of calibrating the waist line aiming by using the side wall and save the labor resource, the invention discloses a method for calibrating the waist line in the underground inclined shaft, which comprises the following steps:
s1, firstly, determining construction 8-10m according to the design direction and the gradient by using a compass and a gradient gauge at the shaft opening of the inclined shaft;
s2, calibrating the centerline of the inclined shaft at least 3 points: disposing a laser total station at an inclined shaft opening, rotating a vertical angle of the instrument to a design inclination angle, enabling laser light to pass through a center line, suspending an up-down adjustable plumb ball to the middle of a center line rope, clamping a marking clamp at the position of the rope pointed by the laser, measuring an apparent upper or lower distance L, completing calibration of a first waist line point, and completing calibration of at least another 2 waist line points in the same way;
s3, calibrating the waist line: and connecting at least 3 waist line points to obtain the waist line of the inclined shaft. And a rope at the lower end of the up-down adjustable vertical ball is provided with a suspended weight. And the value of L is the difference value between the sight height of the laser total station and the design waist line height of the inclined shaft.
Example 1
As shown in fig. 1, taking an inclined well inclined at 65 degrees and with a cross section of 2m × 2m as an example, conventionally calibrating a central line of the inclined well, aiming the central line by laser of an instrument, then rotating a vertical angle of the instrument to a designed inclination angle, at the moment, enabling laser light to pass through the central line, suspending an upper adjustable plumb sphere and a lower adjustable plumb sphere to be in the middle of the central line, suspending a weight at the lower end of the line to increase the stability of the line and prevent the line from swinging greatly, clamping a marking clamp at the line position pointed by the laser when the line is relatively static, measuring an upper or lower distance (such as a downward distance L (central line A), moving the plumb sphere to a point A and braking, and at the moment, completing calibration of a waist line point by analogy, completing calibration of waist lines of points B and C, and connecting cone tips of three plumb spheres as a group of waist lines.
Example 2
On the basis of the embodiment 1, as shown in fig. 2, the vertically adjustable vertical ball is conical, a wire rope passing hole is drilled in the middle in the vertical direction, a brake screw hole is drilled in the transverse middle part, and a corresponding brake screw is arranged in the brake screw hole. The diameter of the wire passing rope hole is 2-4 mm. The diameter of the brake screw hole is 3-5 mm.
Example 3
The manufacturing process of the up-down adjustable vertical ball can be as follows: a round iron with the length of 60 mm and the diameter of 35 mm is cut out and processed into a cone, a 3 mm wire passing rope hole is drilled in the middle of the round iron in the vertical direction, a 4mm braking screw hole is drilled in the transverse middle of the round iron, and a braking screw is matched with the braking screw.
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.
Claims (6)
1. A method for calibrating a middle waist line of an underground inclined shaft is characterized by comprising the following steps:
s1, firstly, determining construction 8-10m according to the design direction and the gradient by using a compass and a gradient gauge at the shaft opening of the inclined shaft;
s2, calibrating the centerline of the inclined shaft at least 3 points: disposing a laser total station at an inclined shaft opening, rotating a vertical angle of the instrument to a design inclination angle, enabling laser light to pass through a center line, suspending an up-down adjustable plumb ball to the middle of a center line rope, clamping a marking clamp at the position of the rope pointed by the laser, measuring an apparent upper or lower distance L, completing calibration of a first waist line point, and completing calibration of at least another 2 waist line points in the same way;
s3, calibrating the waist line: and connecting at least 3 waist line points to obtain the waist line of the inclined shaft.
2. The method of claim 1, wherein the string at the lower end of the vertically adjustable dip ball is provided with a suspension weight.
3. The method of claim 1, wherein the value of L is a difference between a height of a line of sight of a laser total station and a height of a design waist line of the inclined shaft.
4. The method of claim 1, wherein the vertically adjustable plumb bob is conical, a cable-passing hole is drilled in the middle of the plumb bob in the vertical direction, a brake screw hole is drilled in the middle of the plumb bob in the transverse direction, and a corresponding brake screw is arranged in the brake screw hole.
5. A method for calibrating a waist line in a downhole inclined shaft according to claim 4, wherein the diameter of the wire passing rope hole is 2-4 mm.
6. A method of calibrating a waist line in a downhole deviated well according to claim 4, wherein the diameter of the brake screw hole is 3-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010624776.6A CN111879301A (en) | 2020-07-02 | 2020-07-02 | Method for calibrating middle waist line of underground inclined shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010624776.6A CN111879301A (en) | 2020-07-02 | 2020-07-02 | Method for calibrating middle waist line of underground inclined shaft |
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| Publication Number | Publication Date |
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| CN111879301A true CN111879301A (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010624776.6A Pending CN111879301A (en) | 2020-07-02 | 2020-07-02 | Method for calibrating middle waist line of underground inclined shaft |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113503853A (en) * | 2021-05-25 | 2021-10-15 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Method for controlling waist line engineering quality in roadway |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778226A (en) * | 2012-08-11 | 2012-11-14 | 山西晋城无烟煤矿业集团有限责任公司 | Calibration method for waist line of underground long-distance tunnel |
| CN203719649U (en) * | 2014-02-28 | 2014-07-16 | 杨保华 | Theodolite for labeling middle line of tunnel conveniently |
| CN109029388A (en) * | 2017-06-12 | 2018-12-18 | 北京林业大学 | A kind of method that stringcourse in tunnel is demarcated in smart phone photography |
-
2020
- 2020-07-02 CN CN202010624776.6A patent/CN111879301A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778226A (en) * | 2012-08-11 | 2012-11-14 | 山西晋城无烟煤矿业集团有限责任公司 | Calibration method for waist line of underground long-distance tunnel |
| CN203719649U (en) * | 2014-02-28 | 2014-07-16 | 杨保华 | Theodolite for labeling middle line of tunnel conveniently |
| CN109029388A (en) * | 2017-06-12 | 2018-12-18 | 北京林业大学 | A kind of method that stringcourse in tunnel is demarcated in smart phone photography |
Non-Patent Citations (4)
| Title |
|---|
| 孟坡: "井巷腰线快速标定及延伸方法探究", 《内蒙古煤炭经济》 * |
| 白中虎: "激光指向仪在巷道中腰线标定中的应用", 《能源与节能》 * |
| 赵鹏辉: "全站仪标定倾斜巷道腰线的探讨", 《中国高新技术企业》 * |
| 陈金锋: "全站仪标定倾斜运输巷道腰线的一种方法", 《陕西煤炭》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113503853A (en) * | 2021-05-25 | 2021-10-15 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Method for controlling waist line engineering quality in roadway |
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Application publication date: 20201103 |
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