CN113959344A - Novel laser measurement method for roadway surface displacement - Google Patents
Novel laser measurement method for roadway surface displacement Download PDFInfo
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- CN113959344A CN113959344A CN202111255610.2A CN202111255610A CN113959344A CN 113959344 A CN113959344 A CN 113959344A CN 202111255610 A CN202111255610 A CN 202111255610A CN 113959344 A CN113959344 A CN 113959344A
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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Abstract
The invention discloses a novel laser measurement method for roadway surface displacement, and relates to the technical field of roadway surface displacement monitoring. The invention discloses a novel roadway surface displacement laser measuring method, which is characterized in that the traditional cross point distribution method has lower measuring precision, limited applicable roadway sections and tedious, time-consuming and labor-consuming measurement. By using the method, 4 distance parameters from the measuring point to the top of the roadway, the bottom plate, the left side wall and the right side wall can be accurately obtained at one time by using the device, 6 displacement variable quantities of the left side wall, the right side wall, the top plate and the bottom plate, as well as the width and the height of the roadway can be respectively obtained by measuring for multiple times, the change condition of the surface displacement of the roadway can be comprehensively reflected, and the method has great significance in providing accurate quantitative indexes for roadway support design and support effect evaluation of mines and various underground engineering.
Description
Technical Field
The invention belongs to the technical field of roadway surface displacement monitoring, and particularly relates to a multifunctional portable roadway surface displacement laser automatic measuring device which is designed, 4 distance parameters from a measuring point to a left side wall, a right side wall, a top plate and a bottom plate of a roadway can be rapidly and respectively measured through a special structure of the measuring device, the height and the level of a laser measuring operation screen are adjusted through unique supporting and horizontal equipment, the roadway surface displacement measuring process is realized, and therefore, the roadway surface displacement measuring method which is convenient to operate, accurate in measurement, time-saving, labor-saving and suitable for various sections is formed. The method is suitable for measuring the displacement of the surface of the mine and various underground engineering roadways.
Background
The roadway surface relative displacement is a comprehensive index for evaluating the roadway support quality and is a final result of interaction between the support and surrounding rocks. The method aims to clarify the change rule of the roadway surface displacement time, find the relation between the roadway surrounding rock movement and the supporting parameters, provide reliable basic data for reasonable supporting design and provide quantitative indexes for accurately evaluating the supporting effect. Therefore, the measurement of the relative displacement of the surface of the roadway is an essential link for the development of roadway work, the traditional measuring method of the tape and the tape needs two persons to cooperate with the straightening of the length measured by the whole section, the manual measuring method can cause that two ends of the tape are not positioned on the same horizontal line or the tape in the middle section is bent due to gravity, and the integral operation is inconvenient when the height of the roadway is measured. According to the actual field measurement condition, the invention designs and invents the tunnel surface displacement measurement method which is convenient to operate, accurate in measurement, time-saving and labor-saving and suitable for various sections by improving the measurement accuracy and realizing the detailed research on the relative displacement of the left side wall, the right side wall, the top plate and the bottom plate of the tunnel.
Disclosure of Invention
The invention relates to a novel laser measurement method for roadway surface displacement, which can be used for quickly and conveniently realizing the accurate measurement of the surface displacement of a left side wall, a right side wall, a top plate and a bottom plate of a roadway in the process of measuring the roadway surface displacement, is time-saving and labor-saving, and is suitable for the roadways with various sections.
In order to achieve the purpose, the invention adopts the following technical scheme: the invention relates to a novel roadway surface displacement laser measuring method, wherein a multifunctional portable roadway surface displacement laser automatic measuring device is independently designed in the method and used for adjusting the height and the level of a laser measuring operation screen through unique supporting and horizontal equipment to realize the roadway surface displacement measuring process, so that the roadway surface displacement measuring method which is convenient to operate, accurate in measurement, time-saving and labor-saving and suitable for various sections is formed.
The device mainly comprises five parts, namely a tripod, a telescopic supporting rod, a leveling tripod head, a flat plate support and a laser measurement operation screen, wherein the tripod is a telescopic adjustable tripod, each support leg pipe is provided with a 50cm fixed section and two telescopic sections which are respectively 45cm and 35cm, the adjusting angle of each support leg pipe is 0-30 degrees, and the tripod can stably support the whole equipment within the height of 1.1-1.3 m under the condition of a complex bottom plate surface; the telescopic support rod is an internal locking type telescopic rod and is provided with a 30cm fixed section and a 20cm telescopic section, and when the required length is reached, the internal spring buckle is popped out to fix the length of the whole telescopic rod; the leveling cradle head and the support rod are fixed into a whole, the cradle head and the internal rotating ball are fixed into a whole, and the rotating ball is fixed after the whole cradle head is leveled by combining the rotating cradle head with the water level on the upper part; the flat plate support is aligned to the extending direction of the whole roadway through the central line of the upper part, the clamping groove of the flat plate support is 21cm long, 15cm wide and 2.5cm thick, and the two sides of the clamping groove and the middle section of the bottom of the clamping groove are left out, so that the laser emission is not influenced; the laser measurement operation screen is an operation screen combined with a laser sensing distance measuring device, the length of the operation screen is 20cm, the width of the operation screen is 15cm, the thickness of the operation screen is 2cm, the laser sensing distance measuring device is respectively arranged at the centers of four side surfaces of the operation screen, four data of the distances from a measuring point to two sides and between a top plate and a bottom plate are displayed in a data table of the screen through buttons 'start' and 'OK' of the screen, any one or more of the four laser sensing distance measuring devices can be selectively closed if the four data need to be measured independently, and the data can be led out to a computer through a USB interface.
The invention relates to a novel roadway surface displacement laser measuring method, which mainly comprises the following two parts in the working principle and the measuring steps:
s1 Assembly of measuring device
The tripod leg pipe selects suitable angle to open, adjust every leg pipe extension segment length according to bottom plate surface roughness, every 10cm is equipped with a card hole, twist through the knob makes leg pipe length fixed, adjust the tripod and install the bracing piece on the threaded rod of tripod after stable, the telescopic link is equipped with a card hole every 3cm, the position control telescopic link extension length of popping out through the inside spring buckle of control telescopic link, the height is equipped to the thick adjustment cover of tripod, and the telescopic link is then for fine setting. The leveling cloud platform is fixed at the telescopic link front end, adjusts the cloud platform that links to each other with inside roating sphere, combines the spirit level on cloud platform upper portion to transfer whole cloud platform to the level, and fixed knob through the cloud platform both sides is fixed with inside roating sphere, realizes the fixed level of whole cloud platform, later puts into the plate holder through the card post of cloud platform, aims at whole tunnel extending direction through the upper portion central line, and the back is fixed plate holder, has just so realized the level and the stability of whole equipment.
S2, measuring by a measuring device
Before the laser measurement operation screen is placed, a power key on the side of the screen is turned on, the time and the position of the measuring point are input through a button, then the set operation screen is placed into a clamping groove of a flat support, a start key is clicked, four laser sensing distance measuring devices are started to emit four beams of measurement laser, the distances from a transmitting point to a left side, a top plate and a bottom plate are measured, and the distances from the transmitting point to the left side, the right side, the top plate and the bottom plate are respectively a1′、a2′、b1′、b2' present in the operation screen data table is that the measured distance plus the half width and half length of the operation screen are programmed respectively, and the width and height of the lane are a and b respectively.
Namely:
left upper: a is1＝a1′+100
And (3) right upper: a is2＝a2′+100
Top plate: b1＝b1′+75
A bottom plate: b2＝b2′+75
Lane width: a ═ a1′+a2′+200
Lane height: b ═ b1′+b2′+150
If a certain position is wanted to be measured independently, a closing key can be clicked, then a laser sensor in a certain direction is chosen to be closed according to a direction key of a screen, and when the measurement is completed, an OK key is clicked, data can be automatically stored, and if the data is wanted to be exported to a computer through a USB (universal serial bus) adapter. When the next measuring point needs to be measured, the operation screen is taken out, the whole set of support is moved to the next measuring point, the tripod and the leveling pan-tilt are finely adjusted, the operation screen with the set time and position is placed into the clamping groove, and the data information of the next measuring point can be obtained by starting.
The gain effect of the invention is as follows: the novel roadway surface displacement laser measurement method has the advantages that the designed laser automatic measurement device is used for supporting the measurement operation screen horizontally stably, the laser sensing distance measurement device is controlled to emit laser, 4 distance parameters from a measurement point to a left side wall, a right side wall, a top plate and a bottom plate are obtained accurately at one time, 6 displacement variable quantities from the left side wall, the right side wall, the top plate and the bottom plate to the width and the height of a roadway can be obtained through multiple measurements, the roadway surface displacement change condition can be reflected comprehensively, and the method has great significance in providing accurate quantitative indexes for supporting design and supporting effect evaluation of mines and various underground engineering roadways.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings which are needed in the description of the embodiments or the prior art will be briefly introduced to provide a more complete and better understanding of the present invention and to easily understand the advantages thereof, but the drawings described herein are provided to provide further explanation of the present invention and constitute a part of the present invention, and the exemplary embodiments and the description thereof are provided to explain the present invention and do not constitute an unnecessary limitation of the present invention.
FIG. 1 is an assembly schematic diagram of a measuring device for the novel roadway surface displacement laser measuring method of the invention;
FIG. 2 is a schematic view of the assembly step a of the novel roadway surface displacement laser measurement method measuring device of the present invention;
FIG. 3 is a schematic view of the assembly step b of the novel roadway surface displacement laser measuring method measuring device of the present invention;
FIG. 4 is a schematic view of the measurement device of the novel roadway surface displacement laser measurement method of the invention;
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The invention relates to a novel roadway surface displacement laser measurement method, which is mainly applied to roadway displacement measurement. Which comprises the following steps:
s1 Assembly of measuring device
The tripod leg pipe selects suitable angle to open, adjust every leg pipe extension segment length according to bottom plate surface roughness, every 10cm is equipped with a card hole, twist through the knob makes leg pipe length fixed, adjust the tripod and install the bracing piece on the threaded rod of tripod after stable, the telescopic link is equipped with a card hole every 3cm, the position control telescopic link extension length of popping out through the inside spring buckle of control telescopic link, the height is equipped to the thick adjustment cover of tripod, and the telescopic link is then for fine setting. The leveling cloud platform is fixed at the telescopic link front end, adjusts the cloud platform that links to each other with inside roating sphere, combines the spirit level on cloud platform upper portion to transfer whole cloud platform to the level, and fixed knob through the cloud platform both sides is fixed with inside roating sphere, realizes the fixed level of whole cloud platform, later puts into the plate holder through the card post of cloud platform, aims at whole tunnel extending direction through the upper portion central line, and the back is fixed plate holder, has just so realized the level and the stability of whole equipment.
S2, measuring by a measuring device
Before the laser measurement operation screen is placed, a power key on the side of the screen is turned on, the time and the position of the measuring point are input through a button, then the set operation screen is placed in a clamping groove of a flat support, a 'start' key is clicked, four laser sensing distance measuring devices are started to emit four beams of measuring laser, if a certain position is required to be measured independently, a 'close' key can be clicked, then a laser sensor in a certain position is selected to be closed according to a direction key of the screen, an 'OK' key is clicked when the measurement is completed, the data can be automatically stored, and if the data is required to be led out, the data can be led out to a computer through a USB adapter. When the next measuring point needs to be measured, the operation screen is taken out, the whole set of support is moved to the next measuring point, the tripod and the leveling pan-tilt are finely adjusted, the operation screen with the set time and position is placed into the clamping groove, and the data information of the next measuring point can be obtained by starting.
Claims (3)
1. The utility model provides a novel tunnel surface displacement laser measurement method, its characterized in that, the design has invented a multi-functional portable tunnel surface displacement laser automatic measuring device, can simultaneously quick respectively measure 4 distance parameters of measuring point to tunnel left and right group and top, bottom plate through this measuring device's special construction, laser measurement operation screen is equipped the height-adjusting and level through unique support and level, realizes tunnel surface displacement measurement process to form a simple convenient, measure accurate, labour saving and time saving and be suitable for various types of sectional tunnel surface displacement measurement method.
The measuring device mainly comprises a tripod, a telescopic supporting rod, a leveling tripod head, a flat plate support and a laser measurement operation screen, wherein the tripod is a telescopic adjustable tripod, each support leg pipe is provided with a fixed section of 50cm and two telescopic sections of 45cm and 35cm respectively, the adjusting angle of the support leg pipe is 0-30 degrees, and the tripod can stably support the whole device within the height of 1.1-1.3 m under the condition of a complex bottom plate surface; the telescopic support rod is an internal locking type telescopic rod, is arranged on a threaded rod of a tripod and is provided with a fixed section of 30cm and a telescopic section of 20cm, and when the required length is reached, the internal spring buckle is popped out to fix the length of the whole telescopic rod; the leveling cradle head is fixed with the support rod into a whole, the cradle head is fixed with the rotating ball inside into a whole, and the rotating ball is fixed after the whole cradle head is leveled by combining the rotating cradle head with the water level on the upper part so as to achieve the integral fixation of the cradle head; the flat plate support can be arranged on the plane of the holder, the extending direction of the whole roadway is aligned through the central line of the upper part, the flat plate support is fixed afterwards, the size of a clamping groove of the flat plate support is 21cm multiplied by 15cm multiplied by 2.5cm, and the middle sections of the two sides and the bottom of the clamping groove are left out, so that the emission of laser is not influenced; the laser measurement operation screen is an operation screen combined with a laser sensing distance measuring device, the size of the operation screen is 20cm multiplied by 15cm multiplied by 2cm, the laser sensing distance measuring device is respectively arranged at the centers of four side surfaces of the operation screen, four data of the distance from a measuring point to two sides and the distance from a top plate to a bottom plate are displayed in a data table of the screen through buttons 'start' and 'OK', and the data can be led out to a computer through a USB interface.
2. The novel roadway surface displacement laser measuring method according to claim 1, characterized by comprising the following steps:
s1 Assembly of measuring device
The tripod leg pipe selects suitable angle to open, adjust every leg pipe extension segment length according to bottom plate surface roughness, every 10cm is equipped with a card hole, twist through the knob makes leg pipe length fixed, adjust the tripod and install the bracing piece on the threaded rod of tripod after stable, the telescopic link is equipped with a card hole every 3cm, the position control telescopic link extension length of popping out through the inside spring buckle of control telescopic link, the height is equipped to the thick adjustment cover of tripod, and the telescopic link is then for fine setting. The leveling cloud platform is fixed at the telescopic link front end, adjusts the cloud platform that links to each other with inside roating sphere, combines the spirit level on cloud platform upper portion to transfer whole cloud platform to the level, and fixed knob through the cloud platform both sides is fixed with inside roating sphere, realizes the fixed level of whole cloud platform, later puts into the plate holder through the card post of cloud platform, aims at whole tunnel extending direction through the upper portion central line, and the back is fixed plate holder, has just so realized the level and the stability of whole equipment.
S2, measuring by a measuring device
Before the laser measurement operation screen is placed, a power key on the side of the screen is turned on, the time and the position of the measuring point are input through a button, then the set operation screen is placed in a clamping groove of a flat support, a 'start' key is clicked, four laser sensing distance measuring devices are started to emit four beams of measuring laser, if a certain position is required to be measured independently, a 'close' key can be clicked, then a laser sensor in a certain position is selected to be closed according to a direction key of the screen, an 'OK' key is clicked when the measurement is completed, the data can be automatically stored, and if the data is required to be led out, the data can be led out to a computer through a USB adapter. When the next measuring point needs to be measured, the operation screen is taken out, the whole set of support is moved to the next measuring point, the tripod and the leveling pan-tilt are finely adjusted, the operation screen with the set time and position is placed into the clamping groove, and the data information of the next measuring point can be obtained by starting.
3. The novel roadway surface displacement laser measuring method according to claims 1-2, wherein after the laser sensing distance measuring device is started by the operation screen, the distances from the transmitting point to the left and right sides and the top and bottom plates are measured as a1′、a2′、b1′、b2' present in the operation screen data table is that the measured distance plus the half width and half length of the operation screen are programmed respectively, and the width and height of the lane are a and b respectively.
Namely:
left upper: a is1＝a1′+100
And (3) right upper: a is2＝a2′+100
Top plate: b1＝b1′+75
A bottom plate: b2＝b2′+75
Lane width: a ═ a1′+a2′+200
Lane height: b ═ b1′+b2′+150
The left wall, the right wall, the top plate and the bottom plate can be respectively obtained through multiple measurements, and 6 displacement variable quantities of the width and the height of the roadway can be obtained, so that the displacement change condition of the surface of the roadway can be comprehensively reflected.
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| CN202111255610.2A CN113959344A (en) | 2021-10-27 | 2021-10-27 | Novel laser measurement method for roadway surface displacement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115183681A (en) * | 2022-07-11 | 2022-10-14 | 深圳大学 | Laser measurement method and system for structural displacement |
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2021
- 2021-10-27 CN CN202111255610.2A patent/CN113959344A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115183681A (en) * | 2022-07-11 | 2022-10-14 | 深圳大学 | Laser measurement method and system for structural displacement |
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