CN111794679A - Horizontal light blasting hole direction control device and use method thereof - Google Patents
Horizontal light blasting hole direction control device and use method thereof Download PDFInfo
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- CN111794679A CN111794679A CN202010680914.2A CN202010680914A CN111794679A CN 111794679 A CN111794679 A CN 111794679A CN 202010680914 A CN202010680914 A CN 202010680914A CN 111794679 A CN111794679 A CN 111794679A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000005422 blasting Methods 0.000 title claims description 18
- 238000005553 drilling Methods 0.000 claims abstract description 97
- 238000009412 basement excavation Methods 0.000 claims abstract description 14
- 238000004880 explosion Methods 0.000 claims abstract description 12
- 239000011435 rock Substances 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 4
- 239000003550 marker Substances 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000009527 percussion Methods 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 2
- 239000011241 protective layer Substances 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000000306 component Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 101150071434 BAR1 gene Proteins 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000003466 welding 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/046—Directional drilling horizontal drilling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
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- Earth Drilling (AREA)
Abstract
The invention discloses a horizontal light explosion hole direction control device and a use method thereof, wherein the device comprises two positioning dowel bars inserted into a basal rock surface of a bottom plate; the two upright supports are connected through the end part joints and the horizontal cross rod; the drilling positioning device also comprises at least two drilling positioning pieces sleeved outside the horizontal cross rod; the drilling positioning piece comprises a positioning barrel, and an angle adjusting device is arranged at the top of the positioning barrel along the length direction; the top of the positioning cylinder is also connected with a drill rod guide rod arranged along the radial direction of the horizontal cross rod through a movable ball support and a solid ball rotating base; the method is suitable for special plateau areas, the efficiency of manual labor is obviously reduced, the drilling efficiency is improved, the drilling cycle time is shortened, and the excavation progress is accelerated; the horizontal light explosion hole drilling of the bottom plate of the arc bending section can be realized by adjusting the angle of the horizontal laser guider.
Description
Technical Field
The invention relates to the technical field of blasting control, in particular to a horizontal light blasting hole direction control device and a use method thereof.
Background
A certain hydropower station is positioned on the upstream river segment of the Jinshajiang river of the Sichuan and Tibet boundary rivers, and the construction area of the hydropower station is positioned in a high-altitude area. The power station is provided with two diversion tunnels with the Jinshajiang river as a boundary and a left bank and a right bank respectively arranged.
The diversion tunnel is an urban door opening type pressure tunnel and consists of an inlet gradual change section, a pressure tunnel body section, a lock chamber vertical shaft gradual change section and a plug section, and the total length of the tunnel is about 2 km. The elevation of the inlet bottom plate is 2715.5m, the elevation of the tail end is 2713.0m, the slope ratio of the excavated longitudinal slope is i =0.3347%, and two curved sections are arranged on the plane of each diversion tunnel.
Diversion tunnel body excavation, support relate to four types, divide into: a (class V surrounding rock), B (class IV surrounding rock), C (class III surrounding rock) and D (class II surrounding rock); the cross section sizes are respectively 15.3 m multiplied by 17.15 m, 14.2 m multiplied by 16.1 m, 13.8 m multiplied by 15.7m and 13.5 m multiplied by 15.4 m (width multiplied by height), the tunnel is an extra-large type tunnel, the tunnel body is excavated into three layers, the upper layer height is 9m, a drilling and blasting trolley is adopted as a construction platform, hand-wind drilling and smooth blasting are carried out, a middle pilot tunnel is firstly carried out, two sides are closely connected, and the finished product is tunneled in a shape of Chinese character 'ji'; the protective layer is a third layer, the excavation height is 1.5m, a horizontal light blasting hole is drilled by a hand pneumatic drill, and the tunneling is carried out by horizontal pushing; and the rest is the middle layer excavation height, the side wall is pre-cracked, and the middle bench is blasted and excavated.
The construction period of the project is short, the excavation progress needs to be accelerated, conditions are provided for concrete sequence conversion, and the excavation of the bottom plate protective layer is a key line. The protective layer excavation can't adopt mechanized construction, and it is obvious to fall the effect at the regional hand labor of high altitude, and diversion tunnel fault, broken area are relatively developed in addition, and under the influence of secret infiltration, the horizontal light of protective layer explodes hole drilling precision and is difficult to guarantee, and the pore-forming is efficient, when influencing bottom plate excavation quality, restricts the construction progress.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: under the influence of high altitude area especially in secret infiltration, the horizontal light of protective layer explodes hole drilling pore-forming inefficiency, and the drilling precision is difficult to guarantee, restricts the problem of construction progress when influencing bottom plate excavation quality.
In order to solve the technical problem, the invention provides a horizontal light hole-blasting direction control device, which comprises two positioning dowel bars inserted into a base rock surface of a bottom plate; the upright post support is vertically sleeved outside the positioning dowel and provided with a dowel groove at the bottom; the connecting device also comprises end joints horizontally arranged on the upright post support in opposite directions through a connecting piece, and a horizontal cross rod with internal threads is connected between the two end joints; the drilling positioning device also comprises at least two drilling positioning pieces sleeved outside the horizontal cross rod; the drilling positioning piece comprises a positioning barrel, and an angle adjusting device is arranged at the top of the positioning barrel; the top of the positioning cylinder is also connected with a drill rod guide rod arranged along the radial direction of the horizontal cross rod through a movable ball support and a solid ball rotating base; the top of the horizontal cross rod is provided with a strip-shaped through groove along the length direction, the angle adjusting device comprises an L-shaped fixing plate which penetrates through the wall of the positioning cylinder and is inserted into the strip-shaped through groove in a narrowed manner at the top end, a vertical angle scale is arranged on a vertical surface of the fixing plate, a horizontal angle scale is arranged on a horizontal plane, laser guides are arranged at the circle centers of the vertical angle scale and the horizontal angle scale, and a horizontal ruler is further arranged on the positioning cylinder.
Particularly, the upper half section of the upright post support is provided with external threads, the connecting piece comprises an upper disc clamping support and a lower disc clamping support which are arranged on the upright post support through threads, and the end part joint is fixed between the upper disc clamping support and the lower disc clamping support; the disc locking device further comprises a first locking button which transversely penetrates through the upper disc clamping support and the lower disc clamping support respectively.
In particular, a level ruler is further arranged on the positioning cylinder.
Particularly, the upright post support and the positioning dowel bars are fixedly connected through a second locking button.
Particularly, the drilling positioning piece is fixedly connected with the horizontal cross rod through a third locking button.
In particular, the use method of the horizontal light explosion hole direction control device comprises the following steps:
step 1: cleaning stone slag, exposing a foundation bedrock, drilling a dowel hole by using a percussion drill and installing a positioning dowel; the relative positions of the upright post support and the positioning dowel bars are fixed through a second locking button after the upright post support, the upper disc clamping support and the lower disc clamping support are sleeved; after a drilling positioning piece is sleeved outside the horizontal cross rod, the horizontal cross rod is screwed into the end part connector, the end part connector is sleeved between the upper disc clamping support and the lower disc clamping support, and the positions of the upper disc clamping support and the lower disc clamping support are locked by using a first locking button after leveling through a level ruler;
step 2: calculating the downward inclination angle of the drill hole according to the distance between the device and the face of the drill hole so as to avoid over excavation during construction; after the horizontal position of the drilling positioning piece is determined, the position of the drilling positioning piece is locked through a third locking button; setting drilling angle parameters in the horizontal direction and the vertical direction by utilizing two laser guides on the drilling positioning piece respectively; after the drilling is finished, the power supply of the laser guider is turned on, laser beams are emitted, and the drilling is carried out after the drill rod penetrates through the drill rod guide rod on the upper part of the drilling positioning piece;
and step 3: in the drilling process, the light beam emitted by the laser guider is used as a reference marker post in the drilling direction of the drill rod, the drilling direction of the drill rod is checked at any time and corrected through the laser beam until the drilling construction of the optical explosion hole is completed;
and 4, step 4: and (3) according to the hole pitch of the blasting holes determined by the blasting design, after the distance between the two sets of drilling positioning pieces on the horizontal cross rod is determined by using the tape measure, repeating the steps 1-3 to complete the subsequent drilling of the light blasting holes.
The invention has the beneficial effects that: the device has the advantages that the materials of all structural parts are conventional materials, so that the manufacturing cost is low; each component is light in weight, convenient and quick to construct, can be suitable for special plateau areas, and can be used for parts with obvious efficiency reduction of manual labor force, so that the drilling efficiency is improved, the drilling cycle time is shortened, and the excavation progress is accelerated; the two sets of angle scales and the laser guider on the upper part of the drilling positioning piece are used, so that the drilling device is suitable for drilling horizontal light explosion holes on the straight-line bottom plate, and the drilling of the horizontal light explosion holes on the bottom plate of the arc bending section can be realized by adjusting the angle of the horizontal laser guider.
Drawings
FIG. 1 is a schematic structural diagram of the inventive device.
FIG. 2 is a schematic view of the structure of the plane A-A in FIG. 1.
FIG. 3 is a schematic view of the structure of B-B in FIG. 1.
Fig. 4 is a top view of the drill locator.
Wherein, the positioning dowel bar-1; a tendon insertion groove-11; a second locking button-12; column support-2; an end fitting-21; a horizontal cross bar-22; an upper disc clamping support-23; a lower disc clamping support-24; a first locking button-25; a drilling positioning piece-3; a positioning cylinder-31; a movable ball support-32; a solid ball rotating base-33; a drill rod guide rod-34; a level-35; a third locking button-36; an angle adjusting device-4; a fixed plate-41; a vertical angle scale-42 a; a horizontal angle dial-42 b; laser guide-43.
Detailed Description
The invention will be further explained with reference to the drawings.
A horizontal light explosion hole direction control device comprises two positioning dowel bars 1 inserted into a base rock surface of a bottom plate; the upright post support 2 is vertically sleeved outside the positioning dowel bar 1 and provided with a dowel bar groove 11 at the bottom; the device also comprises end joints 21 which are horizontally arranged on the upright post support 2 in opposite directions through connecting pieces, and a horizontal cross bar 22 with internal threads is connected between the two end joints 21; the drilling device also comprises at least two drilling positioning pieces 3 sleeved outside the horizontal cross rod 22; the drilling positioning piece 3 comprises a positioning cylinder 31, and an angle adjusting device 4 is arranged at the top of the positioning cylinder 31; the top of the positioning cylinder 31 is also connected with a drill rod guide rod 34 arranged along the radial direction of the horizontal cross rod 22 through a movable ball support 32 and a solid ball rotating base 33; the top of the horizontal cross bar 22 is provided with a strip-shaped through groove along the length direction, the angle adjusting device 4 comprises an L-shaped fixing plate 41 which penetrates through the wall of the positioning cylinder 31 and is inserted into the strip-shaped through groove, a vertical angle scale 42a is arranged on the vertical surface of the fixing plate 41, a horizontal angle scale 42b is arranged on the horizontal surface, and the centers of the angles are provided with laser guides 43.
In the actual use process, the horizontal cross rod 22 is used as a load bearing device of horizontal hole drilling equipment, and the equipment is always in a horizontal state in the drilling process, so that the parameters of the upper drilling positioning device can be conveniently unified; the hole positioning piece 3 is sleeved outside the horizontal cross rod 22 and can slide on the horizontal cross rod 22 as required, and the drilling position is adjusted at any time according to different blasting design hole intervals of different surrounding rock types to determine the drilling position; the third locking button 36 is connected with the drilling positioning piece 3 in a screw type, and the third locking button 36 can be screwed or loosened to realize the fixation or sliding of the drilling positioning piece 3; the fixing plate 41 is used as a support which penetrates through the positioning cylinder 31 and is firmly welded with the positioning cylinder 31, is arranged in an L shape, and the bottom end of the fixing plate extends into the strip-shaped through groove at the top of the horizontal cross bar 22 to play a role in preventing the positioning cylinder 31 from rotating; and a vertical angle scale 42a and a horizontal angle scale 42b are arranged on the upper part of the fixing plate 41, and laser guides 43 are arranged at the centers of the vertical angle scale 42a and the horizontal angle scale 42b, and the component is one of the core components of the device.
During drilling, the fixing plate 41 is always in a fixed state, the upper horizontal end is in a horizontal state, and marker post reference is provided for the drilling rod declination construction angle through the vertical angle disc 42a and the drilling declination angle set by the laser guider 43 in advance in ray mode, so that the cutter holes are prevented from being formed, and over-excavation during construction is avoided; the straight line is ejected through the upper horizontal angle scale 42b and the laser guide 43, so that a mark post can be effectively provided for horizontal drilling, and splayed holes are prevented. The movable ball support 32 and the positioning cylinder 31 are welded firmly, and are 2/3 spherical fixed parts, and the circle centers of the fixed parts are on the same vertical line with the circle centers of the drilling positioning part 3 and the horizontal cross bar 22. The solid ball swivel base 33 is embedded to enable it to rotate 360 ° within the ball holder 32 without disengaging the ball holder 32. The drill rod guide rod 34 is fixed on the solid ball rotating base 33, and a drill rod penetrates into the drill rod guide rod 34 when drilling, so that the drilling direction is fixed, and the drill rod can rotate by 360 degrees; the device is used together with the vertical and horizontal laser guides 43 on the fixed plate 41, so that the control and correction of any drilling angle can be carried out, and the occurrence of shear holes or splayed holes caused by the angle change of a drill rod in the drilling process is prevented; simultaneously two at least drilling setting elements 3 can be under construction to another drilling in step in the drilling construction, to accelerating the construction progress, the reduction of erection time has great effect.
As a preferred embodiment, the upper half section of the upright post support 2 is provided with external threads, the connecting piece comprises an upper disc clamping support 23 and a lower disc clamping support 24 which are arranged on the upright post support 2 through threads, and the end joint 21 is fixed between the upper disc clamping support 23 and the lower disc clamping support 24; the locking device also comprises a first locking button 25 which transversely penetrates through the upper disc clamping support 23 and the lower disc clamping support 24 respectively; the upper disc clamping support 23 and the lower disc clamping support 24 are supported on the upright post support 2 and can limit the horizontal cross rod 22 and the integral connecting piece of the end joint 21. The horizontal height of the horizontal cross rod 22 can be adjusted by adjusting the positions of the upper disc clamping support 23 and the lower disc clamping support 24 according to the needs on site so as to meet the needs on site. After adjusting to a take the altitude, unite 35 with the level bar on the drilling setting element 3 and use, hold in the palm the disc card and carry out the fine tuning, guarantee horizontal cross rod 22's horizontality, the adjustment back that finishes is screwed up through first locking button 25, avoids horizontal cross rod 22 to appear out of level the state among the work progress.
As a preferred embodiment, the positioning cylinder 31 is further provided with a level gauge 35; the level gauge 35 is embedded in the positioning cylinder 31, and mainly ensures that the horizontal cross rod 2 and the positioning cylinder 31 are in a horizontal state during drilling.
As a preferred embodiment, the upright post support 2 and the positioning dowel bar 1 are fixedly connected through a second locking button 12; the upright post support 2 is a steel structure with a solid upper part and a hollow lower part and is used as a force transmission and height adjusting rod piece; the load borne by the horizontal cross bar 22 is transmitted to the lower part by the post supports 2. The vertical height of the horizontal cross rod 22 can be adjusted by using the upper screw thread together with the upper disc clamping support 23 and the lower disc clamping support 24; in addition, the lower part is of a hollow structure and serves as a rib inserting groove 11, the stand column support 2 and the lower part rib inserting are fixed and detached through the second locking button 12, the stand column support 2 is sleeved on the positioning rib inserting 1, the second locking button 12 is screwed, the position of the stand column support 2 can be fixed, a stable support system is provided for the upper structure, and the stand column support 2 can be drawn out through the second locking button 12.
In a preferred embodiment, the drilling fixture 3 is fixedly connected to the horizontal cross-bar 22 by a third locking button 36.
A use method of a horizontal light explosion hole direction control device comprises the following steps:
step 1: cleaning stone slag, exposing a foundation bedrock, drilling a dowel hole by using a percussion drill and installing a positioning dowel 1; the relative positions of the upright post support 2 and the positioning dowel 1 are fixed through a second locking button 12 after the upright post support 2, the upper disc clamping support 23 and the lower disc clamping support 24 are sleeved; after the drilling positioning piece 3 is sleeved outside the horizontal cross rod 22, the horizontal cross rod 22 is screwed into the end part joint 21, the end part joint 21 is sleeved between the upper disc clamping support 23 and the lower disc clamping support 34, and the positions of the upper disc clamping support 23 and the lower disc clamping support 24 are locked by using the first locking button 25 after leveling through the horizontal ruler 35;
step 2: calculating the downward inclination angle of the drill hole according to the distance between the device and the face of the drill hole so as to avoid over excavation during construction; after the horizontal position of the drilling positioning piece 3 is determined, the position of the drilling positioning piece 3 is locked through the third locking button 36; drilling angle parameters in the horizontal direction and the vertical direction are respectively set by using the two laser guides 43 on the drilling positioning piece 3; after the drilling is finished, the power supply of the laser guider 43 is turned on, laser beams are emitted, and the drilling is carried out after the drill rod penetrates through the drill rod guide rod 34 at the upper part of the drilling positioning piece 3;
and step 3: in the drilling process, the light beam emitted by the laser guider 43 is used as a reference marker post in the drilling direction of the drill rod, the drilling direction of the drill rod is checked at any time and corrected through the laser beam until the drilling construction of the optical explosion hole is completed;
and 4, step 4: and (3) according to the hole pitch of the blasting holes determined by the blasting design, after the distance between the two sets of drilling positioning pieces 3 on the horizontal cross rod 22 is determined by using the tape measure, repeating the steps 1-3 to complete the subsequent drilling of the light blasting holes.
The terms "connected" and "fixed" in the description of the present invention may refer to fixed connection, machining, welding, or mechanical connection, and the specific meanings of the above are understood to be included in the present invention.
In the description of the present invention, the terms "center", "upper", "lower", "horizontal", "inner", "outer", etc. are used in the orientation or positional relationship indicated only for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the device or element referred to must have a particular orientation and therefore should not be construed as limiting the present invention.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; while the invention has been described in detail and with reference to the foregoing embodiments, those skilled in the art will appreciate that; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A hole direction control device for a horizontal light explosion hole is characterized by comprising two positioning insertion ribs (1) inserted into a base rock surface of a bottom plate; the upright post support (2) is vertically sleeved outside the positioning dowel (1) and provided with a dowel groove (11) at the bottom; the device also comprises end joints (21) which are horizontally arranged on the upright post support (2) in opposite directions through connecting pieces, and a horizontal cross rod (22) with internal threads is connected between the two end joints (21); the drilling device also comprises at least two drilling positioning pieces (3) sleeved outside the horizontal cross rod (22); the drilling positioning piece (3) comprises a positioning barrel (31), and an angle adjusting device (4) is arranged at the top of the positioning barrel (31); the top of the positioning cylinder (31) is also connected with a drill rod guide rod (34) which is arranged along the radial direction of the horizontal cross rod (22) through a movable ball support (32) and a solid ball rotating base (33); the top of the horizontal cross rod (22) is provided with a strip-shaped through groove along the length direction, the angle adjusting device (4) comprises an L-shaped fixing plate (41) which penetrates through the wall of the positioning cylinder (31) and is inserted into the strip-shaped through groove in a narrowed manner at the top end, a vertical angle scale (42 a) is arranged on the vertical surface of the fixing plate (41), a horizontal angle scale (42 b) is arranged on the horizontal plane, and laser guides (43) are arranged at the circle centers of the vertical angle scale (42 a) and the horizontal angle scale (42 b).
2. The horizontal photoblast hole direction control device of claim 1, wherein the upper half section of the upright post support (2) is provided with external threads, the connecting piece comprises an upper disc clamping support (23) and a lower disc clamping support (24) which are arranged on the upright post support (2) through threads, and the end joint (21) is fixed between the upper disc clamping support (23) and the lower disc clamping support (24); the disc locking device also comprises a first locking button (25) which transversely penetrates through the upper disc clamping support (23) and the lower disc clamping support (24) respectively.
3. A horizontal optical popping hole direction control device as claimed in claim 1 wherein said positioning cylinder (31) is further provided with a level (35).
4. A horizontal photohole drilling control device as claimed in claim 1, wherein the column support (2) and the positioning dowel (1) are fixedly connected by a second locking button (12).
5. A horizontal photoblast hole direction control device as claimed in claim 1, wherein the drilling positioning member (3) is fixedly connected to the horizontal cross bar (22) by means of a third locking button (36).
6. The use method of the horizontal optical explosion hole direction control device according to claim 1, characterized by comprising the following steps:
step 1: cleaning stone slag, exposing a foundation bedrock, drilling a dowel hole by using a percussion drill and installing a positioning dowel (1); the relative positions of the upright post support (2) and the positioning dowel (1) are fixed through a second locking button (12) after the upright post support (2), the upper disc clamping support (23) and the lower disc clamping support (24) are sleeved; after a drilling positioning piece (3) is sleeved outside the horizontal cross rod (22), the horizontal cross rod (22) is screwed into the end part connector (21), the end part connector (21) is sleeved between the upper disc clamping support (23) and the lower disc clamping support (34), and the positions of the upper disc clamping support (23) and the lower disc clamping support (24) are locked by using a first locking button (25) after leveling through a horizontal ruler (35);
step 2: calculating the downward inclination angle of the drill hole according to the distance between the device and the face of the drill hole so as to avoid over excavation during construction; after the horizontal position of the drilling positioning piece (3) is determined, the position of the drilling positioning piece (3) is locked through a third locking button (36); drilling angle parameters in the horizontal direction and the vertical direction are respectively set by utilizing two laser guides (43) on the drilling positioning piece (3); after the drilling is finished, the power supply of the laser guider (43) is turned on, laser beams are emitted, and the drilling is carried out after the drill rod penetrates through the drill rod guide rod (34) at the upper part of the drilling positioning piece (3);
and step 3: in the drilling process, the light beam emitted by the laser guide (43) is used as a reference marker post in the drilling direction of the drill rod, the drilling direction of the drill rod is checked at any time and is corrected through the laser beam until the drilling construction of the light explosion hole is completed;
and 4, step 4: and (3) according to the hole pitch of the blasting holes determined by the blasting design, after the distance between the two sets of drilling positioning pieces (3) on the horizontal cross rod (22) is determined by using the tape measure, repeating the steps 1-3 to complete the subsequent drilling of the light blasting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010680914.2A CN111794679A (en) | 2020-07-15 | 2020-07-15 | Horizontal light blasting hole direction control device and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010680914.2A CN111794679A (en) | 2020-07-15 | 2020-07-15 | Horizontal light blasting hole direction control device and use method thereof |
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| Publication Number | Publication Date |
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| CN111794679A true CN111794679A (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010680914.2A Pending CN111794679A (en) | 2020-07-15 | 2020-07-15 | Horizontal light blasting hole direction control device and use method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112267887A (en) * | 2020-10-20 | 2021-01-26 | 黄河勘测规划设计研究院有限公司 | Excavation construction method for extra-large section tunnel with city gate hole |
| CN113585963A (en) * | 2021-06-29 | 2021-11-02 | 华北科技学院(中国煤矿安全技术培训中心) | Coal mine drilling machine capable of being adjusted according to drilling angle |
| CN114233192A (en) * | 2021-12-23 | 2022-03-25 | 广东省源天工程有限公司 | Guiding device for horizontal drilling of ultrahigh steep slope and high-precision horizontal drilling method |
-
2020
- 2020-07-15 CN CN202010680914.2A patent/CN111794679A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112267887A (en) * | 2020-10-20 | 2021-01-26 | 黄河勘测规划设计研究院有限公司 | Excavation construction method for extra-large section tunnel with city gate hole |
| CN113585963A (en) * | 2021-06-29 | 2021-11-02 | 华北科技学院(中国煤矿安全技术培训中心) | Coal mine drilling machine capable of being adjusted according to drilling angle |
| CN114233192A (en) * | 2021-12-23 | 2022-03-25 | 广东省源天工程有限公司 | Guiding device for horizontal drilling of ultrahigh steep slope and high-precision horizontal drilling method |
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