CN105716576B - A kind of long-range projection-type laser cross section instrument and its method - Google Patents
A kind of long-range projection-type laser cross section instrument and its method Download PDFInfo
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- CN105716576B CN105716576B CN201610186396.2A CN201610186396A CN105716576B CN 105716576 B CN105716576 B CN 105716576B CN 201610186396 A CN201610186396 A CN 201610186396A CN 105716576 B CN105716576 B CN 105716576B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C7/00—Tracing profiles
- G01C7/06—Tracing profiles of cavities, e.g. tunnels
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- General Physics & Mathematics (AREA)
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Abstract
The present invention provides a kind of long-range projection-type laser cross section instrument and its methods.The long-range projection-type laser cross section instrument includes cabinet, laser emitting portion, galvanometer system and power unit；The laser emitting portion includes wireless blue tooth module, laser range finder, control pumped laser systems, laser transmitting antenna unit and laser power source special；The laser range finder is connect with the wireless blue tooth module, and the galvanometer system is connect with the laser transmitting antenna unit.Long-range projection-type laser cross section instrument provided by the present invention and its method, which can project, instructs tunnel, tunnel driling explosion hole blasting design figure face laser positioning, preliminary bracing grid steel frame laser positioning, make operating personnel that arch accurately be installed by design, the a large amount of measurement and positioning time is saved, it is significant to shorten the cycle operation time.
Description
Technical field
The invention belongs to engineering construction supplementary instrument field, in particular to a kind of long-range projection-type laser cross section instrument and its side
Method.
Background technique
Currently, positioning and initial stage of the blasthole of hole blasting design on face in tunnel, roadway surrounding rock digging process
The positioning of grid steel frame when supporting carries out above-mentioned work position inaccurate and dangerous by current manual type, is easy to appear thing
Therefore personal injury is caused, while efficiency is very low, influence circulation time of constructing.
Summary of the invention
Grid steel frame determines when the present invention is for current engineering construction field tunnel, roadway surrounding rock excavation and preliminary bracing
Position inaccuracy and unsafe problem, provide a kind of accurate positioning, using safe long-range projection-type laser cross section instrument and
Its method.
In order to realize the above technical effect, the present invention the following technical schemes are provided:
A kind of long-range projection-type laser cross section instrument, the long-range projection-type laser cross section instrument includes cabinet, laser emission section
Point, galvanometer system and power unit, and the laser emitting portion, galvanometer system and power unit are all disposed within the cabinet
It is interior；
The laser emitting portion includes wireless blue tooth module, laser range finder, control pumped laser systems, laser hair
Antenna element and laser power source special are penetrated, and the laser range finder is connect with the wireless blue tooth module；
The galvanometer system includes X/Y galvanometer decoding deck, D/A change-over panel, X/Y galvanometer driving plate, and the X/Y galvanometer solution
Code plate connects the D/A change-over panel, and the D/A change-over panel connects the X/Y galvanometer driving plate；
The X/Y galvanometer decoding deck of the galvanometer system is connect with the wireless blue tooth module of the laser emitting portion, and
The galvanometer system is connect with the laser transmitting antenna unit of the laser emitting portion；
The power unit includes DC/DC power module and switch power module, the DC/DC power module respectively with institute
State laser power source special, wireless blue tooth module, laser range finder, switch power module connection；
The laser emitting portion is connect by the wireless blue tooth module with computer with the galvanometer system.
Further, the cabinet is provided with case lid, link block, positioning Fastener, mounting plate, hollow shaft, contract pin；Its
In, the case lid connects the link block, and the link block connects the positioning Fastener, and the positioning Fastener passes through combination
Nut connects the mounting plate, and the mounting plate connects the hollow shaft, and the hollow shaft connects the contract by stud
It sells and passes through contract type expansion pin and fix.
Further, the combination nut includes gasket, flange nut and serrated nut, and the gasket connects the installation
Plate is simultaneously fixed by the flange nut, and the mounting plate is fixed with the positioning Fastener by the serrated nut.
Further, the control pumped laser systems of the laser emitting portion include pump laser, and described
Pump laser is connect with the laser power source special, laser transmitting antenna unit respectively.
Preferably, the dead astern of the long-range projection-type laser cross section instrument is equipped with laser calibrator, the laser calibration
Device is connect with the switch power module, and the laser calibrator is configured with remote controler.
The present invention also provides a kind of methods for determining section using long-range projection-type laser cross section instrument, including following step
It is rapid:
Step 1, computer are sent to long-range projection-type laser cross section instrument by wireless blue tooth module and are instructed, and measurement is current
Accurate distance d between long-range projection-type laser cross section instrument and area Area Objects, passes through wireless blue tooth for the distance parameter d measured
Module feedback determines the angle, θ of suitable scanning galvanometer by processing to computer, computer；
Step 2, according to the angle, θ of the distance between laser cross section instrument in step 1 and area Area Objects d and scanning galvanometer
Figure needed for determining, required figure is converted in computer, and generate the perceived scanning patter of galvanometer system；
The scanning patter generated in step 2 is fed back to X/Y galvanometer decoding deck by wireless blue tooth module by step 3, control
Pumped laser systems processed, and pass through D/A change-over panel, X/Y galvanometer driving plate, laser transmitting antenna unit, galvanometer system unit
Processing；
Step 4, treated that scanning patter projects on face according to step 3 for long-range projection-type laser cross section instrument
Laser profile band.
Specifically, the angle, θ of scanning galvanometer changes with the variation of distance in step 1, to keep laser section
Instrument projecting direction be previously set that direction is consistent, and galvanometer is made to reach the identical figure of projected dimension size under different distance
Purpose, i.e. the radius H=d tan θ of projected graphics, wherein d is horizontal distance of the laser cross section instrument to section；θ is laser section
The subtended angle of instrument projecting beam.
The long-range projection-type laser cross section instrument and method provided through the invention can reach it is following the utility model has the advantages that
1. new working face borehole pattern can be projected on working face by the present invention automatically according to design size, can
On the basis of working face constantly extends forward, the laser reflection of itself dispensing is received, is adjusted to standard after automatically analyzing data
Cross-section diagram；
2. the present invention enables working face boring work personnel by the hole blasting design figure being incident upon on tunnel tunnel face, directly
Bore operation is carried out by light spot position, can guarantee the correct execution of the accurate and blasting scheme of tunnel (tunnel) profile；
3. the present invention can project the ring of light for instructing arch construction, it can make operating personnel accurately by design installation arch
Frame saves a large amount of measurement and positioning time, significant to shorten the cycle operation time.
Detailed description of the invention
Fig. 1 is the working principle of the invention figure
Fig. 2 is external power supply partial schematic diagram of the invention
Fig. 3 is laser calibration partial schematic diagram of the invention
Fig. 4 is the schematic diagram of relationship between laser cross section instrument projecting beam subtended angle and distance in the present invention
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.It should be noted that embodiment in this is only
Section Example of the invention, and whole implementations of non-present invention, embodiment only have it is exemplary, effect be only to be careful
Cha Yuan and the public, which provide, understands the more simple and clear mode of the content of present invention, rather than the limitation to technical solution of the present invention.
Without departing from the inventive concept of the premise, all those of ordinary skill in the art do not make creative work with regard to thinkable
The simple replacement and various change of other embodiment and other pairs of technical solution of the present invention belong to protection model of the invention
It encloses.
Embodiment one
Long-range projection-type laser cross section instrument of the present invention includes cabinet, laser emitting portion, galvanometer system and power supply unit
Point, and laser emitting portion, galvanometer system and power unit are all disposed in cabinet；Laser emitting portion includes wireless blue tooth mould
Block, laser range finder, control pumped laser systems, laser transmitting antenna unit and laser power source special；Galvanometer system packet
Include X/Y galvanometer decoding deck, D/A change-over panel, X/Y galvanometer driving plate；Power unit includes DC/DC power module and Switching Power Supply mould
Block.
Cabinet is provided with case lid, link block, positioning Fastener, mounting plate, hollow shaft, contract pin；Wherein, case lid connection connection
Block, link block connection positioning Fastener, for positioning Fastener by combination nut connection plate, mounting plate connects hollow shaft, empty
Mandrel connects contract pin by stud and is fixed by contract type expansion pin.
Combination nut includes gasket, flange nut and serrated nut, and gasket connection plate is simultaneously fixed by flange nut,
Mounting plate is fixed with positioning Fastener by serrated nut.
As shown in Figure 1, the connection type of long-range each major part of projection-type laser cross section instrument of the present invention is as follows: laser
Rangefinder is connect with wireless blue tooth module；X/Y galvanometer decoding deck connects D/A change-over panel, and D/A change-over panel connects the driving of X/Y galvanometer
Plate；X/Y galvanometer decoding deck is connect with wireless blue tooth module, and galvanometer system is connect with laser transmitting antenna unit；DC/DC power supply mould
Block is connect with laser power source special, wireless blue tooth module, laser range finder, switch power module respectively.Laser emitting portion
Control pumped laser systems include pump laser, and pump laser respectively with laser power source special, Laser emission day
The connection of line unit.
Laser emitting portion passes through wireless blue tooth module and laptop etc. with galvanometer system and connect.
The dead astern of long-range projection-type laser cross section instrument is equipped with laser calibrator, laser calibrator and switch power module
Connection, and laser calibrator is configured with remote controler.
Fig. 3 is the laser calibration partial schematic diagram of long-range projection-type laser cross section instrument of the present invention, and laser calibrator is
For position indicator when repeating to install, it is ensured that without installation deviation, when installation is positioned at the dead astern of position indicator for the position of position indicator；
Remote controler is the open and close for controlling laser calibrator power supply.
Embodiment two
The present invention also provides a kind of methods for determining section using long-range projection-type laser, comprising the following steps:
1. first on the tunnel roof away from tunnel tunnel face certain distance (being differed according to surrounding rock category difference 30-90m)
It is drilled with about Φ 52mm drilling (deep 500mm), the fixation device of long-range projection-type laser cross section instrument is installed；
On 2. after the completion of a working cycles (rock drilling-explosion-muck removal-ventilation), by long-range projection-type laser cross section instrument
Placement is on the securing means；
3. the preliminary bracing of a pair upper circulation is needed to erect arch by design in IV ﹣, VI country rock；The long-range projection of installation
Formula laser cross section instrument, engineer issue work order to long-range projection-type laser cross section instrument, and long-range projection-type laser cross section instrument will
The appearance profile of steel arch-shelf is launched in designated position；
4. the laser profile band that worker launches out according to long-range projection-type laser cross section instrument, installs rapidly steel arch-shelf；
5. engineer issues work order to long-range projection-type laser cross section instrument using laptop computer, position indicator is by this section of tunnel
Road hole blasting design figure is thrown on tunnel tunnel face；
6. bore operation worker is directly bored by laser spot position by the hole blasting design figure being incident upon on tunnel tunnel face
Hole operation, it is ensured that bore position is accurate.
Pattern-producing method in the method for the invention: operator is by the figure of the formats such as required CAD in computer
Middle conversion, and generate the perceived scanning patter of galvanometer system unit.
The method that dimension of picture follows automatically is realized in the method for the invention: firstly, computer passes through wireless blue tooth module
Instruction is sent, the accurate distance between current position indicator and area Area Objects is measured, the distance parameter measured is passed through wirelessly again
Bluetooth module feedback to the computer, and the data are subjected to the angle that processing determines suitable scanning galvanometer；Secondly, disconnected according to laser
Figure needed for the angle of the distance between face instrument and area Area Objects and scanning galvanometer determines, by required figure in computer transfer
It changes, and generates the perceived scanning patter of galvanometer system；Then, scanning patter generated is fed back into X/ by wireless blue tooth
Y galvanometer decoding deck, control pumped laser systems, by D/A change-over panel, X/Y galvanometer driving plate, laser transmitting antenna unit,
Scanning patter is projected laser profile band by the processing of galvanometer system unit on face.It can make to shake with this method
Mirror achievees the purpose that project the identical figure of size dimension under different distance.
Embodiment three
During tunnel excavation, section is constantly advanced with the speed of N meters/day, and the direction of advance is in the design process
Through being determined in advance.Since laser cross section instrument hangs on the tunnel rear ceiling other than d meters of section, to keep section instrument projection side
To the constant angle it is necessary to make laser cross section instrument scanning galvanometer of geometric figure consistent with design direction, and projecting section
As the variation of distance changes.That is, the radius H=d tan θ of projected graphics, wherein d is that laser cross section instrument arrives section
Horizontal distance, θ are the subtended angle of laser cross section instrument projecting beam.
In Fig. 4, the horizontal distance of laser cross section instrument to section is d=60m, and the angle of scanning galvanometer is θ=9 °, then institute
H=60tan9 °=the 10m of section figure radius of projection.
For the technical requirements for the figure that laser projection goes out: 30 meters allow to change +/- 50 millimeters, precision: 1/1000.
It dismantles and moves:
Since laser cross section instrument is closer apart from section, bursting work can generate injury to it, it is therefore desirable in every separate explosion
It is preceding to be disassembled, but lifting needs to be corrected it again.It is greater than distance K meters away from laser cross section instrument when section is moved to
After (general 150 meters), instrument and equipment also will disassemble Forward from tunnel ceiling and reinstall, and also carry out when lifting again
Correction.The method of correction is 30 meters of another lasers of disposition behind this profiler, issues the parallel calibration laser of two beams, alignment
The target surface of laser cross section instrument is corrected.
The foregoing is merely better embodiments of the invention, are not intended to limit the invention, all in spirit of the invention
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of long-range projection-type laser cross section instrument, the long-range projection-type laser cross section instrument include cabinet, laser emitting portion,
Galvanometer system and power unit, and the laser emitting portion, galvanometer system and power unit are all disposed in the cabinet,
It is characterized in that,
The laser emitting portion includes wireless blue tooth module, laser range finder, control pumped laser systems, Laser emission day
Line unit and laser power source special, and the laser range finder is connect with the wireless blue tooth module；
The galvanometer system includes X/Y galvanometer decoding deck, D/A change-over panel, X/Y galvanometer driving plate, and the X/Y galvanometer decoding deck
The D/A change-over panel is connected, the D/A change-over panel connects the X/Y galvanometer driving plate；
The X/Y galvanometer decoding deck of the galvanometer system is connect with the wireless blue tooth module of the laser emitting portion, and described
Galvanometer system is connect with the laser transmitting antenna unit of the laser emitting portion；
The power unit includes DC/DC power module and switch power module, and the DC/DC power module swashs with described respectively
Light power source special, wireless blue tooth module, laser range finder, switch power module connection；
The laser emitting portion is connect by the wireless blue tooth module with computer with the galvanometer system；
The long-range projection-type laser cross section instrument can be realized dimension of picture and follow automatically, realize graphic scale by operation as follows
Very little to follow automatically: step 1, computer are sent to long-range projection-type laser cross section instrument by wireless blue tooth module and are instructed, and measurement is worked as
Accurate distance d between preceding long-range projection-type laser cross section instrument and area Area Objects passes through the distance parameter d measured wireless blue
Tooth module feedback determines the angle, θ of suitable scanning galvanometer by processing to computer, computer；Step 2, according to step 1
Figure needed for the angle, θ of the distance between middle laser cross section instrument and area Area Objects d and scanning galvanometer determines, required figure is existed
It is converted in computer, and generates the perceived scanning patter of galvanometer system；Step 3 passes through the scanning patter generated in step 2
Wireless blue tooth module feeds back to X/Y galvanometer decoding deck, controls pumped laser systems, and drive by D/A change-over panel, X/Y galvanometer
Movable plate, laser transmitting antenna unit, galvanometer system cell processing；Step 4, long-range projection-type laser cross section instrument is according to step 3
Treated, and scanning patter projects laser profile band on face.
2. long-range projection-type laser cross section instrument according to claim 1, which is characterized in that the cabinet be provided with case lid,
Link block, positioning Fastener, mounting plate, hollow shaft, contract pin；Wherein, the case lid connects the link block, and the link block connects
Connect the positioning Fastener, the positioning Fastener connects the mounting plate by combination nut, described in the mounting plate connection
Hollow shaft, the hollow shaft connect the contract pin by stud and are fixed by contract type expansion pin.
3. long-range projection-type laser cross section instrument according to claim 2, which is characterized in that the combination nut includes pad
Piece, flange nut and serrated nut, the gasket connect the mounting plate and are fixed by the flange nut, the mounting plate
It is fixed with the positioning Fastener by the serrated nut.
4. long-range projection-type laser cross section instrument according to claim 1, which is characterized in that the control of the laser emitting portion
Pumped laser systems processed include pump laser, and the pump laser respectively with the laser power source special, laser
Transmission antenna unit connection.
5. long-range projection-type laser cross section instrument according to claim 1, which is characterized in that the long-range projection-type laser is disconnected
The dead astern of face instrument is equipped with laser calibrator, and the laser calibrator is connect with the switch power module, and described sharp
Light-collimating is configured with remote controler, after section, which is moved to, is greater than 150 meters of distance away from laser cross section instrument, by long-range projection-type laser
Profiler disassembles Forward from tunnel ceiling and reinstalls, and lifts and is corrected again, and the method for correction is disconnected at this
30 meters of another lasers of disposition behind the instrument of face, issue the parallel calibration laser of two beams, and the target surface for being directed at laser cross section instrument carries out school
Just.
6. a kind of using the method that long-range projection-type laser cross section instrument determines section described in claim 1, which is characterized in that described
Method the following steps are included:
Step 1, computer are sent to long-range projection-type laser cross section instrument by wireless blue tooth module and are instructed, and current remote is measured
The distance parameter d measured is passed through wireless blue tooth module by the accurate distance d between projection-type laser cross section instrument and area Area Objects
Computer is fed back to, computer determines the angle, θ of suitable scanning galvanometer by processing；θ becomes with the variation of distance
Change, to keep laser cross section instrument projecting direction consistent with direction is previously set, and galvanometer is made to reach projection under different distance
The purpose of the identical figure of size, i.e. the radius H=dtan θ of projected graphics, wherein d is level of the laser cross section instrument to section
Distance；θ is the subtended angle of laser cross section instrument projecting beam；
Step 2 is determined according to the angle, θ of the distance between laser cross section instrument in step 1 and area Area Objects d and scanning galvanometer
Required figure converts required figure in computer, and generates the perceived scanning patter of galvanometer system；
The scanning patter generated in step 2 is fed back to X/Y galvanometer decoding deck, control pump by wireless blue tooth module by step 3
Pu Optical Maser System, and pass through D/A change-over panel, X/Y galvanometer driving plate, laser transmitting antenna unit, galvanometer system cell processing；
Step 4, treated that scanning patter projects laser on face according to step 3 for long-range projection-type laser cross section instrument
Profile band；
And after section is moved to and is greater than 150 meters of distance away from laser cross section instrument, by long-range projection-type laser cross section instrument from tunnel
Ceiling disassembles Forward and reinstalls, and lifts and is corrected again, and the method for correction is 30 meters behind this profiler
Another laser is disposed, the parallel calibration laser of two beams is issued, the target surface for being directed at laser cross section instrument is corrected.
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| CN201610186396.2A CN105716576B (en) | 2016-03-29 | 2016-03-29 | A kind of long-range projection-type laser cross section instrument and its method |
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| CN201610186396.2A CN105716576B (en) | 2016-03-29 | 2016-03-29 | A kind of long-range projection-type laser cross section instrument and its method |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248050B (en) * | 2016-08-21 | 2018-07-03 | 浙江科技学院 | For the intelligent apparatus of tunnel tunnel face center line precise positioning |
| CN107990847A (en) * | 2017-12-18 | 2018-05-04 | 中国矿业大学(北京) | A kind of digging laneway profile based on laser optical path adjustment indicates method and device |
| CN113107514A (en) * | 2021-04-15 | 2021-07-13 | 中铁工程装备集团有限公司 | Free-section tunnel boring machine |
| CN113550752B (en) * | 2021-08-05 | 2023-05-19 | 武汉长盈通光电技术股份有限公司 | Automatic tunnel section instrument based on vibrating mirror and construction method |
| CN115388812B (en) * | 2022-10-27 | 2023-05-02 | 成都量芯集成科技有限公司 | Measurement method of photoelectric electric drill measurement device |
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Effective date of registration: 20190301 Address after: Room 101, 18 Daoyuan Road, Suzhou High-tech Zone, Jiangsu Province Co-patentee after: Xie Shuang Patentee after: Suzhou Beixuan Xuanfang Engineering Technology Co., Ltd. Co-patentee after: Liu Baoxu Address before: Unit 1360, Southwest Gate, North Fourth Ring Olympic Sports Center, Chaoyang District, Beijing Co-patentee before: Xie Shuang Patentee before: BEIJING PETROSOUND GEOSERVICES CORP. Co-patentee before: Liu Baoxu |
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