CN111878172A - Device and method for identifying installation position of arch center - Google Patents
Device and method for identifying installation position of arch center Download PDFInfo
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- CN111878172A CN111878172A CN202010776879.4A CN202010776879A CN111878172A CN 111878172 A CN111878172 A CN 111878172A CN 202010776879 A CN202010776879 A CN 202010776879A CN 111878172 A CN111878172 A CN 111878172A
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- laser ranging
- ranging sensor
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- distance
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- 238000009434 installation Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000010276 construction Methods 0.000 claims abstract description 31
- 238000013507 mapping Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
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- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Computer Networks & Wireless Communication (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
A device and method for identifying the installation position of arch centering, it regards already erecting the arch centering as the benchmark, mount two parallel and direction-consistent laser ranging sensors on the identity horizontal plane, and make the vertical distance between the light beam surface that two laser ranging sensors send out be the interval between two arch centering in the tunnel construction parameter, and can confirm the interval between surveying and drawing points of the arch centering and laser ranging sensor to wait to erect the arch centering and laser ranging sensor to erect the arch centering according to the interval between surveying and drawing points of the arch centering that the ranging sensor measures already, so, while carrying on the arch centering construction, can reveal the rational installation position of the arch centering, thus guide the operating personnel to carry on the arch centering installation, can promote the efficiency of construction, reduce the labour intensity of the operating personnel.
Description
Technical Field
The invention relates to a device and a method for identifying the installation position of an arch center, in particular to a device and a method for identifying the installation position of the arch center, which are characterized in that light source equipment is installed on an installation support according to the requirements of tunnel construction parameters, the light source is turned on when arch erecting operation is carried out, the reasonable installation position of the arch center is visually displayed, the installation of the arch center is guided, the construction effect is improved, and the labor intensity of operators is reduced.
Background
In the tunnel construction process, clear parameter requirements are set for the installation positions of steel arches, and the quality of arch installation plays an important role in the quality of tunnel construction.
In the parameters of the arch installation position, referring to fig. 1, the linear length L1 from the tunnel center point 30 to the surveying point 20 on the tunnel surface of the single arch 10 and the perpendicular distance L2 between the two adjacent arches are important. However, the installation position of the existing arch is determined by observing the arch with eyes manually, moving the arch to an estimated general installation position, measuring the installation deviation Δ L1 of the previously installed arch by using a ruler and other measuring tools based on the installed arch, obtaining the accurate position of the arch to be installed, and installing the arch after manually adjusting the position. Because the manual measurement is loaded down with trivial details, and under the tunnel construction environment, the deviation appears easily, in case the deviation exceeds the allowed range, just can produce the quality accident, influences the engineering progress.
Therefore, a device and a method capable of identifying the installation position of the arch centering are required to be developed and designed, and the accurate installation position of the arch centering is identified according to the parameter requirements of tunnel construction, so that the construction efficiency is improved, and the construction quality is guaranteed.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a device and a method for identifying the installation position of an arch frame aiming at the defects that an effective arch frame installation guiding method and an arch frame installation position detection means are lacked in the installation process of the arch frame in the prior art.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a device for identifying the installation position of an arch center comprises a first laser ranging sensor and a second laser ranging sensor; the first laser ranging sensor is positioned below an erected arch centering of a tunnel construction surface, and a light beam surface formed by laser emitted by the first laser ranging sensor and the erected arch centering are on the same vertical plane; the second laser ranging sensor and the first laser ranging sensor are arranged on the same horizontal plane in parallel and have the same direction, and the vertical distance between the light beam surfaces emitted by the first laser ranging sensor and the second laser ranging sensor is equal to the distance between two trusses of arch frames in tunnel construction parameters.
Preferably, the device further comprises a mounting platform, and the first and second laser ranging sensors are both arranged on the mounting platform. Preferably, the device further comprises a level gauge, wherein the level gauge is arranged on the mounting platform and used for indicating or adjusting the horizontal state of the mounting platform. Preferably, the mounting platform is provided with two parallel guide rails so that the first laser ranging sensor, the second laser ranging sensor and the level meter can be mounted and moved conveniently.
The invention also provides a method for identifying the installation position of the arch centering, which comprises the following steps:
A. installing a first laser ranging sensor below an erected arch centering on a tunnel construction surface, and enabling a beam surface formed by laser emitted by the first laser ranging sensor to be on the same vertical plane with the erected arch centering;
B. installing a second laser ranging sensor along the tunnel surface, so that the second laser ranging sensor and the first laser ranging sensor are on the same horizontal plane, parallel to each other and consistent in orientation; meanwhile, the vertical distance between the beam surfaces emitted by the second laser ranging sensor and the first laser ranging sensor is equal to the distance between two trusses of arch frames in tunnel construction parameters;
C. starting a first laser ranging sensor and a second laser ranging sensor, wherein the vertical distance between the light beam surfaces emitted by the second laser ranging sensor and the first laser ranging sensor is equal to the distance between two arch frames in tunnel construction parameters, so that the light beam surface emitted by the second laser ranging sensor is the installation plane of the arch frame to be erected on the tunnel surface; and acquiring the distance between the first laser ranging sensor and the mapping point on the erected arch, and determining the distance between the corresponding mapping point on the arch to be erected and the second laser ranging sensor according to the distance.
Thus, the invention takes the erected arch as a reference, installs two laser ranging sensors which are positioned on the same horizontal plane, are parallel and have consistent directions, enables the vertical distance between the light beam surfaces emitted by the two laser ranging sensors to be the distance between two arches in the tunnel construction parameters, and can determine the distance between the laser ranging sensor of the arch to be erected and the surveying and mapping point of the arch to be erected according to the distance between the surveying and mapping point of the arch to be erected measured by the laser ranging sensor of the arch. The reasonable installation position of the arch can be displayed when the arch construction is carried out, the display is carried out on the human-computer interaction unit, visual and reliable reference indication is provided for the installation of the arch, so that an operator is guided to carry out the arch installation, the construction efficiency and the construction quality are improved, and the labor intensity of an operator is reduced.
Drawings
FIG. 1 is a schematic illustration of arch setup parameter requirements.
Fig. 2 is a schematic view showing the components of the arch installing position identifying device according to the present invention.
Detailed Description
Referring to fig. 2, the present invention is a device for identifying an arch installing position, which is disposed below a tunnel construction surface to determine the installing position of an arch, and includes an installing platform 1, a first laser ranging sensor 2, a second laser ranging sensor 3, and a level 4. Wherein, the first and second laser distance measuring sensors (2, 3) and the level meter 4 are all arranged on the mounting platform 1, the first laser distance measuring sensor 2 is positioned below the erected arch centering (taking two arch centering as an example in fig. 1, the front is the erected arch centering, the rear is the arch centering to be erected), the beam surface formed by the laser emitted by the first laser distance measuring sensor is on the same vertical plane with the erected arch centering, when the first laser distance measuring sensor 2 emits laser to the erected arch centering, the distance between the first laser distance measuring sensor 2 and the surveying point on the erected arch centering can be obtained; the second laser ranging sensor 3 and the first laser ranging sensor 2 are arranged in parallel and have the same direction, and the vertical distance between the light beam surfaces emitted by the first laser ranging sensor 2 and the second laser ranging sensor 3 is equal to the distance between two trusses of arch frames required in tunnel construction parameters; the level 4 is used to indicate or adjust the level of the mounting platform 1.
Preferably, the mounting platform 1 is provided with two parallel guide rails 5, and the first laser ranging sensor 2, the second laser ranging sensor 3 and the level meter 4 are all arranged on the guide rails 5, so that the first laser ranging sensor 2, the second laser ranging sensor 3 and the level meter 4 can move conveniently.
The invention also provides a method for identifying the installation position of the arch centering to determine the installation position of the arch centering to be erected, which comprises the following specific steps:
A. establishing an installation platform 1 below a tunnel construction surface;
B. fixing a first laser ranging sensor 2 on the mounting platform 1, enabling the first laser ranging sensor 2 to be located below an erected arch centering of a tunnel construction surface, and enabling a light beam surface formed by laser emitted upwards by the first laser ranging sensor 2 to be on the same vertical plane with the erected arch centering; meanwhile, a level 4 is fixed on the mounting platform 1;
C. determining the installation position of a second laser ranging sensor 3 on the installation platform 1 along the tunnel surface, and fixing the second laser ranging sensor 3;
wherein, the definite foundation of mounted position of second laser rangefinder sensor: firstly, ensuring that the second laser ranging sensor is parallel to and consistent in orientation with the first laser ranging sensor; secondly, enabling the vertical distance between the beam surfaces emitted by the second laser ranging sensor and the first laser ranging sensor to be equal to the distance between two trusses of arch frames in tunnel construction parameters;
D. adjusting the level gauge 4 to enable the mounting platform 1 to be in a horizontal state;
E. starting a first laser ranging sensor 2 and a second laser ranging sensor 3, wherein the vertical distance between the light beam surfaces emitted by the second laser ranging sensor and the first laser ranging sensor is equal to the distance between two arch frames in tunnel construction parameters, so that the light beam surface emitted by the second laser ranging sensor 3 is the installation plane of the arch frame to be erected; and acquiring the distance between the first laser ranging sensor 2 and the mapping point on the erected arch, and determining the distance between the corresponding mapping point on the arch to be erected and the second laser ranging sensor 2 according to the distance, so as to accurately position the arch to be erected.
For the erected arch, since there may be a deviation Δ L1 (obtained by manual mapping, as in the prior art) after installation, the newly installed arch can be fine-tuned using this deviation Δ L1 as a corrective parameter.
Claims (5)
1. A device for identifying the mounting position of an arch, characterized in that it comprises a first laser ranging sensor (2) and a second laser ranging sensor (3); the first laser ranging sensor (2) is positioned below the erected arch centering of the tunnel construction surface, and a beam surface formed by laser emitted by the first laser ranging sensor and the erected arch centering are on the same vertical plane; the second laser ranging sensor (3) and the first laser ranging sensor (2) are arranged on the same horizontal plane in parallel and have the same direction, and the vertical distance between the light beam surfaces emitted by the first laser ranging sensor (2) and the second laser ranging sensor (3) is equal to the distance between two arch frames in tunnel construction parameters.
2. A device for identifying the mounting position of an arch according to claim 1, characterised in that it further comprises a mounting platform (1), the first and second laser ranging sensors (2, 3) being arranged on the mounting platform (1).
3. A device for identifying the mounting position of an arch according to claim 2, characterised in that the device further comprises a level gauge (4), which level gauge (4) is arranged on the mounting platform (1) for indicating or adjusting the level of the mounting platform (1).
4. A device for identifying the mounting position of an arch according to claim 3, characterised in that the mounting platform (1) is provided with two parallel guides (5) to facilitate the movement of the first laser distance measuring sensor (2), the second laser distance measuring sensor (3) and the level (4).
5. A method for identifying an arch installation location, the method comprising the steps of:
A. installing a first laser ranging sensor below an erected arch centering on a tunnel construction surface, and enabling a beam surface formed by laser emitted by the first laser ranging sensor to be on the same vertical plane with the erected arch centering;
B. installing a second laser ranging sensor along the tunnel surface, so that the second laser ranging sensor and the first laser ranging sensor are on the same horizontal plane, parallel to each other and consistent in orientation; meanwhile, the vertical distance between the beam surfaces emitted by the second laser ranging sensor and the first laser ranging sensor is equal to the distance between two trusses of arch frames in tunnel construction parameters;
C. starting a first laser ranging sensor and a second laser ranging sensor, wherein the vertical distance between the light beam surfaces emitted by the second laser ranging sensor and the first laser ranging sensor is equal to the distance between two arch frames in tunnel construction parameters, so that the light beam surface emitted by the second laser ranging sensor is the installation plane of the arch frame to be erected on the tunnel surface; and acquiring the distance between the first laser ranging sensor and the mapping point on the erected arch, and determining the distance between the corresponding mapping point on the arch to be erected and the second laser ranging sensor according to the distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010776879.4A CN111878172A (en) | 2020-08-05 | 2020-08-05 | Device and method for identifying installation position of arch center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010776879.4A CN111878172A (en) | 2020-08-05 | 2020-08-05 | Device and method for identifying installation position of arch center |
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| Publication Number | Publication Date |
|---|---|
| CN111878172A true CN111878172A (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010776879.4A Pending CN111878172A (en) | 2020-08-05 | 2020-08-05 | Device and method for identifying installation position of arch center |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470274A (en) * | 2013-09-17 | 2013-12-25 | 中国神华能源股份有限公司 | Installation construction method of tunnel arch frame |
| CN107288663A (en) * | 2017-08-11 | 2017-10-24 | 中建山东投资有限公司 | A kind of tunnel arch is accurately positioned and fixed construction method and device |
| CN109238137A (en) * | 2018-08-15 | 2019-01-18 | 中铁第勘察设计院集团有限公司 | Gantry positioning system and method based on constructing tunnel arch fitting machine |
| CN110295926A (en) * | 2019-06-04 | 2019-10-01 | 中交路桥建设有限公司 | A kind of tunnel just branch steel arch-shelf installation degree control method |
| CN110375650A (en) * | 2019-08-15 | 2019-10-25 | 中国铁建重工集团股份有限公司 | Arch posture measuring method and system |
-
2020
- 2020-08-05 CN CN202010776879.4A patent/CN111878172A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470274A (en) * | 2013-09-17 | 2013-12-25 | 中国神华能源股份有限公司 | Installation construction method of tunnel arch frame |
| CN107288663A (en) * | 2017-08-11 | 2017-10-24 | 中建山东投资有限公司 | A kind of tunnel arch is accurately positioned and fixed construction method and device |
| CN109238137A (en) * | 2018-08-15 | 2019-01-18 | 中铁第勘察设计院集团有限公司 | Gantry positioning system and method based on constructing tunnel arch fitting machine |
| CN110295926A (en) * | 2019-06-04 | 2019-10-01 | 中交路桥建设有限公司 | A kind of tunnel just branch steel arch-shelf installation degree control method |
| CN110375650A (en) * | 2019-08-15 | 2019-10-25 | 中国铁建重工集团股份有限公司 | Arch posture measuring method and system |
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Application publication date: 20201103 |
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