CN113530522A - Demolition blasting blast hole drilling quality testing and accepting device and use method - Google Patents
Demolition blasting blast hole drilling quality testing and accepting device and use method Download PDFInfo
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- CN113530522A CN113530522A CN202110732787.0A CN202110732787A CN113530522A CN 113530522 A CN113530522 A CN 113530522A CN 202110732787 A CN202110732787 A CN 202110732787A CN 113530522 A CN113530522 A CN 113530522A
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- 238000005422 blasting Methods 0.000 title claims abstract description 54
- 238000005553 drilling Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000012372 quality testing Methods 0.000 title abstract description 5
- 238000007689 inspection Methods 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 7
- 238000013480 data collection Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 238000007792 addition Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/04—Measuring depth or liquid level
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- Engineering & Computer Science (AREA)
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- Mining & Mineral Resources (AREA)
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- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Length Measuring Devices By Optical Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to the technical field of building (structure) demolition blasting, in particular to a demolition blasting blasthole drilling quality testing device and a using method thereof, wherein the demolition blasting blasthole drilling quality testing device comprises a positioning measuring rod and a device host connected with the positioning measuring rod, the device host is arranged on the side wall of a stand column or a wall body, the front end of the positioning measuring rod is provided with a laser emitter I and a photoelectric receiving element I, and the device host is also symmetrically provided with a laser emitter II and a photoelectric receiving element II; and the front side and the rear side of the upright post or the wall body are symmetrically provided with reflecting plates for reflecting the laser emitted by the laser emitter II. The invention has the beneficial effects that: the acceptance device mainly measures the hole depth L, the horizontal inclination angle alpha, the vertical inclination angle beta and the blasting minimum resistance line w of the drill hole at one time by a full-hole testing method in the acceptance testing process of the drill hole, accurately and efficiently obtains the drilling parameters, and provides technical support for fine demolition blasting operation and blasting safety.
Description
Technical Field
The invention relates to the technical field of demolition blasting of buildings (structures), in particular to a demolition blasting blasthole drilling quality testing and accepting device and a using method.
Background
Along with the rapid development of the society, blasting demolition works are more and more common in urban updating and industrial upgrading and reconstruction activities, and different from open blasting of projects such as mines, hydropower and the like, demolition blasting objects are mostly existing building structures, so the characteristics of demolition blasting are mainly reflected in two aspects: firstly, the environment of blasting engineering is mostly city or industrial and mining area, and the adverse effect of blasting on the surrounding environment must be fully considered; secondly, demolition blasting objects are generally artificially constructed building components such as walls, columns, beams, cylinder walls and the like, and the geometric dimensions and mechanical properties of the components can be accurately obtained. Therefore, in the implementation process of demolition blasting, a blasting technical scheme must be scientifically established, and blasting parameters must be accurately calculated so as to realize accurate control of blasting and crushing effects. In demolition blasting engineering, scientific arrangement of drilling and fine drilling operations are necessary means for realizing expected blasting effect, and the quality of drilling directly influences blasting safety and blasting effect of demolition blasting. Therefore, the drilling quality of the blast hole must be accurately detected by adopting scientific and advanced technology.
Demolishing blasting blastholes, namely, blastholes drilled on components (beams, columns, walls and the like) with definite geometric dimensions are drilled generally along the horizontal direction, and the blast holes have the characteristics of small diameter (generally 40mm diameter blastholes), shallow depth of the blastholes (generally less than 1m), large blast hole deflection influence and the like, particularly, the blast hole inclination can cause the phenomenon of 'partial blasting', so that a flyrock accident is generated, the building structural components are possibly not enough in blasting breakage, and further the blasting safety and the blasting effect are influenced. Therefore, it is necessary to develop a testing device capable of accurately and efficiently measuring drilling quality of blast holes aiming at the characteristics of demolishing blasting holes, so as to measure drilling quality of demolishing blasting holes.
Disclosure of Invention
Aiming at the problems, the invention provides a demolition blasting blasthole drilling quality acceptance inspection device which comprises a positioning measuring rod and a device host connected with the positioning measuring rod, wherein the device host is arranged on the side wall of a stand column or a wall body, a laser transmitter I and a photoelectric receiving element I are arranged at the front end of the positioning measuring rod, and a laser transmitter II and a photoelectric receiving element II are also symmetrically arranged on the device host; the front side and the rear side of the upright post or the wall body are symmetrically provided with reflectors for reflecting laser emitted by the laser emitter II, and the reflectors are arranged on the edge of the upright post or the wall body through a bracket; the laser transmitter I and the laser transmitter II are connected with the device host through data lines; the photoelectric receiving element I and the photoelectric receiving element II are connected with the device host through data lines.
The invention adopts the following further technical scheme: the holding rod is arranged on the device host.
The invention adopts the following further technical scheme: one side of the device host is connected with an adjustable supporting leg which is arranged on the side wall of the stand column or the wall body, and a spring gasket is arranged between the adjustable supporting leg and the side wall of the stand column or the wall body.
The invention adopts the following further technical scheme: the adjustable supporting leg is composed of three supporting rods, and the end part of each supporting rod is connected with the spring gasket.
The invention adopts the following further technical scheme: a switch button, a display screen I and a high-precision electronic protractor are arranged on the device host.
The invention adopts the following further technical scheme: the data displayed in the display screen I and the high-precision electronic protractor can be transmitted to the electronic receiving equipment through wireless Bluetooth.
The invention adopts the following further technical scheme: the high-precision electronic protractor is internally provided with a display screen II, a pointer and a scale, and the high-precision electronic protractor is connected with the positioning measuring rod.
The invention adopts the following further technical scheme: a plurality of spring type fixing pieces are uniformly arranged on the outer side wall of the positioning measuring rod.
The invention adopts the following further technical scheme: the location measuring staff is cylindrical, and the surface of location measuring staff is provided with the scale mark.
A use method of a device for testing the drilling quality based on demolition blasting blastholes comprises the following steps:
1) arranging a reflector at the edge of the stand column or the wall body to be demolished and blasted, wherein the reflector is used for reflecting laser emitted by the laser emitter II so as to obtain the distance L from the laser emitter II to the reflectors at the two sides2，L3；
2) The positioning measuring rod is stretched into the blast hole, the measuring rod to be positioned completely stretches into the blast hole, the positioning measuring rod is fixed by the spring type fixing piece on the positioning measuring rod, the positioning measuring rod is parallel to the blast hole at the moment, and then the adjustable supporting leg on the host machine of the device is adjusted to enable the host machine of the device to be in a proper position convenient for measurement, and the reading L of the scale mark on the positioning measuring rod at the moment is read out4；
3) The handheld holding rod is pressed down by a switch button on a device host, the laser emitter I and the laser emitter II start to work to emit laser, the positioning measuring rod shakes, and the distance L from the laser emitter I to the bottom of a blast hole, which is received by the photoelectric receiving element I and the photoelectric receiving element II, to the bottom of the blast hole is displayed on the display screen I after 1-3 seconds1And the distance L from the laser emitter II to the reflecting plates on the two sides of the upright post or the wall body2，L3(ii) a A display screen II on the high-precision electronic protractor displays the inclination angle beta on the vertical surface of the drill hole obtained by the positioning measuring rod, and the pointer points to the position on the scale at the same angle as the inclination angle alpha on the horizontal surface of the drill hole;
4) opening the electronic receiving equipment, starting a data collection instruction, waiting for 3-6 seconds, transmitting data displayed on the device host to the electronic receiving equipment through wireless Bluetooth, then manually inputting a reading on the positioning measuring rod, automatically calculating the minimum resistance line of blasting by the electronic receiving equipment, and storing all data in the electronic receiving equipment;
5) and pressing the switch button again to close the main machine of the device, taking out the positioning measuring rod, taking down the reflector and finishing the measurement.
The invention has the beneficial effects that:
1. the acceptance device mainly measures the hole depth L, the horizontal inclination angle alpha, the vertical inclination angle beta and the blasting minimum resistance line w of the drill hole in one step by a full-hole testing method in the acceptance testing process of the drill hole, accurately and efficiently obtains the drilling parameters, and provides technical support for fine demolition blasting operation and blasting safety;
2. the required data can be obtained only by measuring once, the operation is convenient, the time and the labor are saved, and the working efficiency is improved;
3. the measurement data can be obtained in real time through the electronic receiving equipment, and can be edited and stored, so that the requirement of later data calling is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic top view of the present invention.
Fig. 2 is a side view of the present invention.
FIG. 3 is a schematic cross-sectional view A-A of FIG. 1 of the present invention.
FIG. 4 is a schematic diagram of a display surface of a host device according to the present invention.
In the figure: 1-positioning measuring rod, 2-device host, 3-laser emitter I, 4-photoelectric receiving element I, 5-holding rod, 6-adjustable supporting leg, 7-spring gasket, 8-switch button, 9-display screen I, 10-high-precision electronic protractor, 11-laser emitter II, 12-photoelectric receiving element II, 13-spring type fixing piece, 14-blast hole, 15-data line, 16-reflector plate, 17-bracket, 18-display screen II, 19-pointer, 20-dial gauge and 21-electronic receiving device.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Example 1:
with reference to fig. 1 to 4, in an embodiment of the present invention, a demolition blasting blasthole drilling quality inspection device includes a positioning measuring rod 1 and a device host 2 connected to the positioning measuring rod 1, the device host 2 is installed on a sidewall of a column or a wall, a laser emitter i 3 and a photoelectric receiving element i 4 are disposed at a front end of the positioning measuring rod 1, and a laser emitter ii 11 and a photoelectric receiving element ii 12 are further symmetrically installed on the device host 2; the front side and the rear side of the upright post or the wall body are symmetrically provided with light reflecting plates 16 used for reflecting laser emitted by the laser emitter II 11, and the light reflecting plates 16 are arranged on the edge of the upright post or the wall body through a bracket 17; the laser emitter I3 and the laser emitter II 11 are connected with the device host 2 through a data line 15, specifically connected with a switch button 8 on the device host 2, and the switch button 8 controls the laser emission of the laser emitter I3 and the laser emitter II 11; the photoelectric receiving element I4 and the photoelectric receiving element II 12 are connected with the device host 2 through a data line 15, and after calculation in the device host 2, the distance L from the laser emitter I3 to the bottom of the hole is displayed in the display screen I91And the distance L from the laser emitter II 11 to the reflectors 16 on the two sides of the demolition body2，L3。
The device main body 2 is provided with a holding rod 5.
The device is characterized in that one side of the main machine 2 is connected with an adjustable supporting leg 6, the adjustable supporting leg 6 is installed on the side wall of the stand column or the wall body, and a spring gasket 7 is arranged between the adjustable supporting leg 6 and the side wall of the stand column or the wall body.
The adjustable supporting leg 6 is composed of three supporting rods, and the end part of each supporting rod is connected with the spring gasket 7.
The device main machine 2 is provided with a switch button 8, a display screen I9 and a high-precision electronic protractor 10.
The data displayed in the display screen I9 and the high-precision electronic protractor 10 can also be transmitted to the electronic receiving device 21 through wireless Bluetooth so as to be further processed and recorded.
Referring to fig. 1 and 4, in the embodiment of the present invention, a display screen ii 18, a pointer 19 and a scale 20 are further disposed in the high-precision electronic protractor 10, the high-precision electronic protractor 10 is connected to the positioning measuring rod 1, and the inclination angle α in the horizontal plane of the drill hole and the inclination angle β in the vertical plane of the drill hole can be obtained by swinging the positioning measuring rod 1 and displayed on the display screen ii 18 and the scale 20.
Referring to fig. 1 and 3, a plurality of spring type fixing pieces 13 are uniformly arranged on the outer side wall of the positioning measuring rod 1, and are used for fixing the positioning measuring rod 1, so that the positioning measuring rod 1 is completely parallel to a blast hole 14 to be measured.
The positioning measuring rod 1 is cylindrical, and scale marks are arranged on the surface of the positioning measuring rod 1 and used for reading the length L of the positioning measuring rod 1 penetrating into the blast hole 144。
The working principle of the invention is as follows: by obtaining the distance L from the laser emitter I3 to the bottom of the blast hole 141And the length L of the positioning measuring rod 1 extending into the blast hole 144The depth L of the blast hole 14 can be obtained1+L4The positioning measuring rod 1 is connected with the high-precision electronic protractor 10, and the inclination angle alpha on the horizontal plane of the drilled hole and the inclination angle beta on the vertical plane of the drilled hole can be read from the high-precision electronic protractor 10 through the swinging of the positioning measuring rod 1; the blasting minimum resistance line w is the minimum distance from the center of the blast hole explosive to the edge of the free surface upright post or wall, generally from the bottom of the blast hole 14, and L is reasonably selected according to the positive and negative of the inclination angle alpha2Or L3In one of the above embodiments, assuming that the length of the device body 2 is B, the burst minimum resistance line w ═ L (L) can be obtained2+ B/2) -Lxsin α or w ═ L (L3+ B/2) -L × sin α, so that all the required drilling data can be obtained.
Example 2:
a use method of a device for testing the drilling quality based on demolition blasting blastholes comprises the following steps:
1) in columns or walls to be demolishedThe edge of the body is provided with a reflector 16, the reflector 16 is used for reflecting laser emitted by the laser emitter II 11, and further the distance L from the laser emitter II 11 to the reflectors 16 on two sides is obtained2，L3；
2) The method comprises the steps that a positioning measuring rod 1 extends into a blast hole 14, the measuring rod 1 to be positioned completely extends into the blast hole 14, and after the positioning measuring rod 1 is fixed by a spring type fixing piece 13 on the positioning measuring rod 1, the positioning measuring rod 1 is parallel to the blast hole 14 at the moment, an adjustable supporting leg 6 on a device host 2 is adjusted, so that the device host 2 is in a proper position convenient for measurement, and the reading L4 of a scale mark on the positioning measuring rod 1 at the moment is read;
3) the hand-held rod 5 is held, a switch button 8 on the device host 2 is pressed, the laser emitter I3 and the laser emitter II 11 start to work to emit laser, the positioning measuring rod 1 shakes, and after the positioning measuring rod is kept for about 1-3 seconds, the distance L1 from the laser emitter I9 to the hole bottom of a blast hole 14 and the distance L2 and L3 from the laser emitter II 11 to the reflectors 16 on two sides of a stand column or a wall are displayed on the display screen I9; the display screen II 18 on the high-precision electronic protractor 10 displays the inclination angle beta on the vertical surface of the drilled hole obtained by the positioning measuring rod 1, and the pointer 19 points to the position on the scale 20, which is the same as the inclination angle alpha on the horizontal surface of the drilled hole;
4) opening the electronic receiving equipment 21, starting a data collection instruction, waiting for 3-6 seconds, transmitting data displayed on the device host 2 to the electronic receiving equipment 21 through wireless Bluetooth, then manually inputting a reading on the positioning measuring rod 1, automatically calculating a minimum resistance line of blasting by the electronic receiving equipment 21, and storing all data in the electronic receiving equipment 21;
5, pressing the switch button 8 again to close the device main body 2, taking out the positioning measuring rod 1, taking down the reflector 16 and finishing the measurement.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (10)
1. A demolition blasting blasthole drilling quality inspection device is characterized by comprising a positioning measuring rod (1) and a device host (2) connected with the positioning measuring rod (1), wherein the device host (2) is installed on the side wall of a stand column or a wall body, a laser emitter I (3) and a photoelectric receiving element I (4) are arranged at the front end of the positioning measuring rod (1), and a laser emitter II (11) and a photoelectric receiving element II (12) are further symmetrically installed on the device host (2); the front side and the rear side of the upright post or the wall body are symmetrically provided with light reflecting plates (16) used for reflecting laser emitted by the laser emitter II (11), and the light reflecting plates (16) are arranged on the edge of the upright post or the wall body through a bracket (17); the laser transmitter I (3) and the laser transmitter II (11) are connected with the device host (2) through a data line (15); the photoelectric receiving element I (4) and the photoelectric receiving element II (12) are connected with the device host (2) through a data line (15).
2. The demolition blasting blasthole drilling quality inspection device according to claim 1, characterized in that the device main body (2) is provided with a holding rod (5).
3. The demolition blasting blasthole drilling quality inspection device according to claim 2, characterized in that an adjustable supporting leg (6) is connected to one side of the device main body (2), the adjustable supporting leg (6) is installed on a side wall of a stand column or a wall body, and a spring gasket (7) is arranged between the adjustable supporting leg (6) and the side wall of the stand column or the wall body.
4. The demolition blasting blasthole drilling quality acceptance device according to claim 3, characterized in that the adjustable support leg (6) consists of three support bars, each of which is connected at its end to the spring washer (7).
5. The demolition blasting blasthole drilling quality inspection device according to claim 3, wherein the device main machine (2) is provided with a switch button (8), a display screen I (9) and a high-precision electronic protractor (10).
6. The demolition blasting blasthole drilling quality inspection device according to claim 5, characterized in that the data displayed in the display screen I (9) and the high-precision electronic protractor (10) can also be transmitted to the electronic receiving device (21) through wireless Bluetooth.
7. The demolition blasting blasthole drilling quality inspection device according to claim 6, characterized in that a display screen II (18), a pointer (19) and a scale (20) are further arranged in the high-precision electronic protractor (10), and the high-precision electronic protractor (10) is connected with the positioning measuring rod (1).
8. The demolition blasting blasthole drilling quality inspection device according to claim 7, characterized in that a plurality of spring-loaded fasteners (13) are arranged uniformly on the outer side wall of the positioning measuring rod (1).
9. The demolition blasting blasthole drilling quality inspection device according to claim 8, characterized in that the positioning measuring rod (1) is cylindrical, and the surface of the positioning measuring rod (1) is provided with graduation marks.
10. The use method of the demolition blasting blasthole drilling quality inspection device based on the claim 9 is characterized by comprising the following steps:
1) arranging a reflector (16) at the edge of the upright post or the wall to be demolished and blasted, wherein the reflector (16) is used for reflecting laser emitted by the laser emitter II (11) so as to obtain the distance L from the laser emitter II (11) to the reflectors (16) at two sides2，L3；
2) The positioning measuring rod (1) is stretched into a blast hole (14), the measuring rod (1) to be positioned is completely stretched into the blast hole (14), meanwhile, a spring type fixing piece (13) on the positioning measuring rod (1) fixes the positioning measuring rod (1), the positioning measuring rod (1) is parallel to the blast hole (14), and then an adjustable supporting leg (6) on a host (2) of the device is adjusted to enable the host (2) of the device to be in a proper position convenient for measurement and readReading L of scale marks on the positioning measuring rod (1) at the moment4；
3) The device comprises a handheld holding rod (5), a switch button (8) on a device host (2) is pressed, a laser emitter I (3) and a laser emitter II (11) start to work to emit laser, meanwhile, a positioning measuring rod (1) shakes, and after the positioning measuring rod is kept for about 1-3 seconds, the distance L1 from the laser emitter I (9) to the hole bottom of a blast hole (14) and the distance L2 and L3 from the laser emitter II (11) to reflecting plates (16) on two sides of a stand column or a wall body are displayed on a display screen I (9); a display screen II (18) on the high-precision electronic protractor (10) displays an inclination angle beta on a vertical plane of the drill hole obtained by the positioning measuring rod (1), and a pointer (19) points to an angle position on the dial gauge (20) which is the same as the inclination angle alpha on a horizontal plane of the drill hole;
4) opening the electronic receiving equipment (21), starting a data collection instruction, waiting for 3-6 seconds, transmitting data displayed on the device host (2) to the electronic receiving equipment (21) through wireless Bluetooth, then manually inputting a reading on the positioning measuring rod (1), automatically calculating a minimum resistance line of blasting by the electronic receiving equipment (21), and storing all data in the electronic receiving equipment (21);
5) and (3) pressing the switch button (8) again to close the device host (2), taking out the positioning measuring rod (1), taking down the reflector (16) and finishing the measurement.
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| CN115143944A (en) * | 2022-07-04 | 2022-10-04 | 山东大学 | Handheld full-section multi-blast-hole space measuring device and using method |
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|---|---|---|---|---|
| CN115143944A (en) * | 2022-07-04 | 2022-10-04 | 山东大学 | Handheld full-section multi-blast-hole space measuring device and using method |
| CN115143944B (en) * | 2022-07-04 | 2023-12-01 | 山东大学 | Handheld full-section multi-blast hole space measurement device and use method |
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| Publication number | Publication date |
|---|---|
| CN113530522B (en) | 2023-09-12 |
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