CN115289925A - Blast hole inclination and inclination angle control device - Google Patents
Blast hole inclination and inclination angle control device Download PDFInfo
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- CN115289925A CN115289925A CN202211047575.XA CN202211047575A CN115289925A CN 115289925 A CN115289925 A CN 115289925A CN 202211047575 A CN202211047575 A CN 202211047575A CN 115289925 A CN115289925 A CN 115289925A
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- vertical
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- inclination
- measurement board
- measuring plate
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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
Abstract
The invention belongs to the field of blast hole construction, and particularly relates to a blast hole inclination and inclination angle control device which comprises a horizontal measuring plate and a vertical measuring plate which are both of arc structures and are concentrically arranged, wherein the horizontal measuring plate is connected with a connecting block in a sliding manner, the sliding direction of the horizontal measuring plate is along the circumferential direction of the horizontal measuring plate, the vertical measuring plate is connected with the connecting block in a sliding manner, the sliding direction of the vertical measuring plate is along the circumferential direction of the vertical measuring plate, scale marks are arranged on the vertical measuring plate and the horizontal measuring plate, and one end of the vertical measuring plate is fixedly connected with an adsorption shell matched with a drill rod.
Description
Technical Field
The invention belongs to the field of blast hole construction, and particularly relates to an improvement on a blast hole inclination and inclination angle control device in structure.
Background
The drilling is used as a primary process of engineering blasting, plays an important role in controlling blasting effect and engineering quality, and the presplitting blasting and the smooth blasting mainly distinguish the initiation sequence of a presplitting hole, a smooth hole and a main blast hole. It is necessary to drill a blast hole between the main blast zone and the protection zone for precise control. During pre-splitting blasting, the pre-splitting hole is detonated in advance of the main blasting hole to form a pre-splitting hole, so that the bedrock is prevented from being damaged by stress waves; during smooth blasting, the smooth surface hole detonates after the main blasting hole detonates, makes the rock stratum drop along the smooth blasting surface, forms smooth excavation profile.
The drilling angle directly influences the sizes of the free surface resistance line, the minimum resistance line and the chassis resistance line, even influences harmful effects such as flyrock and the like, and the blasting effect and the flyrock can be greatly controlled by accurately controlling the drilling angle and the skewness.
Meanwhile, inclined drilling is adopted in many blasting projects, so that the root is overcome as far as possible, and the large blocks on the slope surface are reduced, but the drilling machine can simply judge the plane angle and the inclination angle of the drilling hole or judge the inclination angle through experience, and most drilling machines cannot accurately control the plane angle and the vertical angle.
Disclosure of Invention
The invention aims to provide a blast hole inclination and inclination angle control device, which is used for solving the problems in the prior art and adopts the technical scheme that:
the utility model provides a big gun hole inclination, inclination controlling means, is including being arc structure and the level measurement board and the vertical measuring board of concentric setting, slidable connects the connecting block on the level measurement board, and its slip direction is followed the circumference of level measurement board, vertical measuring board slidable connects the connecting block, its slip direction is followed the circumference of vertical measuring board, all be provided with the scale mark on vertical, the level measurement board, the one end fixed connection of vertical measuring board and the absorption shell of drilling rod adaptation.
Furthermore, one side of the connecting block is provided with a horizontal groove, the other side of the connecting block is provided with a vertical groove, the connecting block is slidably nested on the horizontal measuring plate through the horizontal groove and is slidably nested on the vertical measuring plate through the vertical groove, and the horizontal groove and the vertical groove are both provided with damping mechanisms.
Furthermore, the damping mechanism comprises two locking screws which are oppositely arranged, an elastic block is arranged between the two locking screws, and the locking screws are abutted against the elastic block;
the locking screws are in threaded connection with two sides of the horizontal groove and two sides of the vertical groove, concentric arc-shaped holes are formed in the vertical measuring plate and the horizontal measuring plate, and the elastic blocks are located in the arc-shaped holes.
Furthermore, blind holes are formed in the opposite ends of the two locking screws, bulges matched with the blind holes are arranged on the two sides of the elastic block, and the bulges are inserted into the blind holes.
Furthermore, the adsorption shell is of an arc-shaped structure and concentric with the drill rod, the axis of the adsorption shell and the radial eccentric position of the vertical measuring plate are arranged so that the axis of the adsorption shell can face the horizontal direction, and the two ends of the vertical measuring plate are fixedly provided with the adsorption shell.
Furthermore, both ends of the horizontal measuring plate are fixedly connected with sliding plates, the sliding plates are arranged on the support in a sliding mode, the sliding direction of the sliding plates is parallel to the horizontal direction of the wall surface of the explosion area, and the support is connected with the wall surface of the explosion area.
Furthermore, the support comprises two fixing plates connected to the wall surface of the explosion area, two sliding rods are connected between the two fixing plates, the two sliding rods are axially distributed side by side in the horizontal and vertical directions, and the two sliding rods penetrate through the sliding plate.
Furthermore, the two ends of the sliding rod are respectively and fixedly connected with one end of a fixed rod, the other end of the fixed rod is detachably connected with the fixed plate, and the sliding plate and the wall surface of the explosion area are arranged at intervals.
Further, connect through a plurality of coupling mechanism on the fixed plate explode the district wall, coupling mechanism includes threaded connection the adjusting screw of fixed plate, the cover is equipped with the lock sleeve on the adjusting screw, the lock sleeve is located explode the mounting hole on the district wall face, adjusting screw is located one end in the lock sleeve is provided with wedge portion, the global of lock sleeve is provided with the bar hole, the downthehole slidable of bar is provided with the latch segment, latch segment one end is located in the lock sleeve, and be provided with the inclined plane of wedge portion adaptation, latch segment other end butt the mounting hole inner wall.
Furthermore, one end of the adjusting screw, which is positioned in the locking sleeve, is rotatably provided with a rotating block, the wedge-shaped part is positioned at the end part of the rotating block and arranged around the circumferential surface of the rotating block, and a plurality of locking blocks are arranged around the circumferential direction of the rotating block.
The invention has the following beneficial effects: through vertical measurement board round horizontal measurement board circumferential motion to vertical measurement board can be around its circumferential motion itself, can adjust horizontal, vertical angle between absorption shell axle center and the explosion zone wall face, and can directly perceived the horizontal angle and the angle of inclination that obtain the absorption shell through vertical, scale mark on the horizontal measurement board. And moving the drill rod to a position corresponding to the adsorption shell, so that the horizontal angle and the inclination angle of the drill rod correspond to the angle of the adsorption shell, and finally the angle of the drill rod corresponds to the angle of the blast hole, and the inclination angle control of the blast hole is completed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a partially enlarged schematic view of the connecting block;
FIG. 3 is a partially enlarged view of the connection mechanism;
FIG. 4 is a schematic top view;
FIG. 5 is a schematic view with the drill rod horizontal;
fig. 6 is a schematic diagram of a down hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 6 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. Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1, a blasthole inclination and inclination angle control device comprises a horizontal measurement plate 7 and a vertical measurement plate 5 which are both arc-shaped structures and concentrically arranged, wherein the horizontal measurement plate 7 is connected with a connection block 6 in a slidable manner, the sliding direction of the horizontal measurement plate is along the circumferential direction of the horizontal measurement plate 7, the vertical measurement plate 5 is connected with the connection block 6 in a slidable manner, the sliding direction of the vertical measurement plate is along the circumferential direction of the vertical measurement plate 5, scale marks are arranged on the vertical measurement plate and the horizontal measurement plate, and one end of the vertical measurement plate 5 is fixedly connected with an adsorption shell 10 matched with a drill rod 2.
Specifically, drilling rod 2 is drilling rod 2 on the rig among the prior art, be used for drilling out the big gun hole on blast zone wall 1, 7 levels of level measurement board set up, level measurement board 7 is connected at blast zone wall 1, the vertical setting of vertical measurement board 5, vertical measurement board 5 is located the inboard of level measurement board 7, it is horizontal, vertical measurement board can be the arc, semicircle isotructure, it is horizontal, scale mark on the vertical measurement board is respectively along the circumference distribution of the two, and be the angle scale mark, be provided with two mark arrow points 4 on the connecting block 6, correspond the level respectively, scale mark on the vertical measurement board, in order to be used for the indication scale.
Through the connection of connecting block 6, can make vertical measurement board 5 round 7 circumferential motion of horizontal measurement board, and vertical measurement board 5 can be around its own circumferential motion, thereby rotate vertical measurement board 5 through the level, can adjust the angle between 1 level horizontal of adsorption shell 10 axle center and explosion zone wall, incline the ascending horizontal angle of side promptly, through vertical measurement board 5 of rotating, can adjust the angle of inclination of adsorption shell 10, the inclination between vertical direction and the explosion zone wall 1 promptly, after the regulation, the rethread is vertical, the scale mark on the horizontal measurement board can directly perceivedly obtain the horizontal angle and the angle of inclination of adsorption shell 10.
During specific implementation, according to a preset inclination angle of a blast hole, the vertical measuring plate 5 is horizontally and vertically rotated to enable the adsorption shell 10 to be at a corresponding angle, then the drilling machine is started, the drill rod 2 is close to the wall surface 1 of the explosion area, the drill rod 2 is moved to a position corresponding to the adsorption shell 10, the peripheral surface of the drill rod 2 is attached to the adsorption shell 10, so that the horizontal angle and the inclination angle of the drill rod 2 correspond to the angle of the adsorption shell 10, finally the angle of the drill rod 2 corresponds to the angle of the blast hole, inclination angle control of the blast hole is completed, and in the process that the drill rod 2 drills the blast hole, the drill rod 2 axially moves along the drill rod 2.
In addition, adsorption shell 10 is magnet, and its magnetism is inhaled global at drilling rod 2, guarantees to hug closely with drilling rod 2 to when its magnetism is inhaled, vertical measurement board 5 takes place displacement slightly, leads to the angle change, and rethread drilling machine fine setting drilling rod 2 makes vertical measurement board 5 resume the displacement this moment, moves to the scale mark that corresponds with the big gun hole angle promptly.
Furthermore, one side of the connecting block 6 is provided with a horizontal groove, the other side of the connecting block is provided with a vertical groove, the connecting block 6 is slidably nested on the horizontal measuring plate 7 through the horizontal groove and is slidably nested on the vertical measuring plate 5 through the vertical groove, and the horizontal groove and the vertical groove are both provided with damping mechanisms 8.
Specifically, the horizontal groove and the vertical groove are both of a structure like a Chinese character 'v 21274', the opening of the horizontal groove faces the horizontal direction, the opening of the vertical groove faces the vertical direction, the horizontal groove of the connecting block 6 slides along the circumferential direction of the horizontal measuring plate 7, so that the vertical measuring plate 5 can adjust the corresponding horizontal inclination angle, then the vertical measuring plate 5 rotates along the vertical groove, the corresponding inclination angle of the vertical measuring plate 5 can be adjusted, and the damping mechanism 8 is used for providing damping so as to fix the position of the vertical measuring plate 5 after sliding again.
Further, the damping mechanism 8 includes two locking screws 801 arranged oppositely, an elastic block 802 is arranged between the two locking screws 801, and the locking screws 801 abut against the elastic block 802;
the locking screws 801 are in threaded connection with the two sides of the horizontal groove and the vertical groove, concentric arc-shaped holes 9 are formed in the vertical measuring plate and the horizontal measuring plate, and the elastic blocks 802 are located in the arc-shaped holes 9.
As shown in fig. 1 and 2, the both sides of the horizontal groove of connecting block 6, two locking screw 801 of the equal threaded connection in both sides of vertical groove, tighten locking screw 801, can extrude elastic block 802, make it warp, and extrude arc hole 9, thereby improve the frictional force between elastic block 802 and the arc hole 9, thereby realize providing damping and adjustable purpose, when vertical measurement board 5 adjusts to required angle, frictional force between elastic block 802 and the arc hole 9 can keep vertical measurement board 5's relatively fixed, do not rotate under the dead weight effect.
Specifically, the elastic block 802 may be made of rubber, and the arc-shaped holes 9 are distributed around the circumference of the vertical and horizontal measuring plates, and are in a strip shape, and the arc length thereof is much longer than the width of the connecting block 6.
Furthermore, blind holes are formed in the opposite ends of the two locking screws 801, protrusions 803 matched with the blind holes are arranged on the two sides of the elastic block 802, and the protrusions 803 are inserted into the blind holes.
Specifically, when the vertical measuring plate 5 adjusts the angle, the connecting block 6 moves along with the vertical measuring plate, so that the locking screw 801 drives the elastic block 802 to move through the protrusion 803, and the function of keeping the damping is achieved.
Further, the adsorption shell 10 is of an arc-shaped structure and concentric with the drill rod 2, the axis of the adsorption shell 10 and the radial eccentric position of the vertical measuring plate 5 are arranged so that the axis of the adsorption shell can face the horizontal direction, and the adsorption shell 10 is fixedly arranged at both ends of the vertical measuring plate 5.
Specifically, the cross section of the adsorption shell 10 can be in an arc shape, a semi-circle shape and the like, and is matched with the circumferential surface of the drill rod 2, and a certain angle difference is formed between the axial center of the adsorption shell 10 and the radial direction of the vertical measuring plate 5, so that after the vertical measuring plate 5 rotates for a certain angle, the axial center of the adsorption shell 10 can be in a horizontal state, and the construction of a blast hole without an inclination angle is facilitated, such as the state in fig. 5, and when a scale mark is designed, the influence of the angle difference should be reduced.
In addition, the two adsorption shells 10 are arranged to adapt to the inclination angles of the blast holes, that is, the adsorption shell 10 positioned above corresponds to the blast holes and the drill rods 2 which are inclined downwards, and the adsorption shell 10 positioned below corresponds to the blast holes and the drill rods 2 which are inclined upwards.
Furthermore, both ends of the horizontal measuring plate 7 are fixedly connected with sliding plates 3, the sliding plates 3 are slidably arranged on a bracket, the sliding direction of the sliding plates is along the horizontal direction parallel to the explosion area wall surface 1, and the bracket is connected with the explosion area wall surface 1.
Specifically, as shown in fig. 4, when the sliding plate 3 slides along the support, the horizontal and vertical measuring plates are carried to move along the horizontal direction parallel to the blast area wall surface 1, so that the angle of the drill rod 2 corresponding to each blast hole can be sequentially adjusted at the position corresponding to a plurality of blast holes in the horizontal direction.
Furthermore, the support comprises two fixing plates 13 connected to the wall surface 1 of the explosion area, two sliding rods 12 are connected between the two fixing plates 13, the two sliding rods 12 are distributed side by side in the axial direction, the axial direction is horizontal, the axial direction is vertical, and the two sliding rods 12 penetrate through the sliding plate 3.
The two slide bars 12 play a role in supporting the slide plate 3, and the slide plate 3 is provided with through holes which are respectively sleeved on the two slide bars 12.
Furthermore, two ends of the sliding rod 12 are respectively and fixedly connected with one end of a fixed rod 11, the other end of the fixed rod 11 is detachably connected with the fixed plate 13, and the sliding plate 3 and the explosion area wall surface 1 are arranged at intervals.
The fixing rod 11 and the fixing plate 13 can be connected through screws, and the sliding plate 3 is separated through the fixing rod 11 along the direction far away from the wall surface 1 of the explosion area, so that the sliding plate 3 is prevented from being attached to the wall surface 1 of the explosion area, and the interference between the drill rod 2 and the sliding plate 3 can be avoided.
Further, connect through a plurality of coupling mechanism 14 on the fixed plate 13 explode district's wall 1, coupling mechanism 14 includes threaded connection the adjusting screw 141 of fixed plate 13, the cover is equipped with lock sleeve 142 on the adjusting screw 141, lock sleeve 142 is located explode the mounting hole on the district wall 1, adjusting screw 141 is located one end in the lock sleeve 142 is provided with wedge portion, lock sleeve 142 is provided with the bar hole global, the downthehole slidable of bar is provided with latch segment 143, latch segment 143 one end is located in the lock sleeve 142, and be provided with the inclined plane of wedge portion adaptation, latch segment 143 other end butt the mounting hole inner wall.
As shown in fig. 3, the locking sleeve 142 is in clearance fit with the mounting hole, the mounting hole is a hole pre-drilled on the blast area wall surface 1, when the adjusting screw 141 is screwed down, the adjusting screw moves towards the mounting hole and presses the locking block 143 through the wedge-shaped portion, so that the locking block 143 moves along the radial direction of the locking sleeve 142 and presses the inner wall of the mounting hole, thereby realizing tensioning, the fixing between the fixing plate 13 and the blast area wall surface 1 is maintained under the action of friction force, after the blast hole is completely constructed, the adjusting screw 141 can be removed, the whole device is removed, the effect of facilitating the fixing of the whole device on the blast area wall surface 1 is realized, the dismounting is convenient, after the dismounting, the whole device can be lifted and connected to the blast area wall surface 1 again, thereby realizing the implementation of the invention on blast holes with different heights.
In addition, the two sides of one end of the locking sleeve 142 extending out of the strip-shaped hole are fixedly provided with limiting parts for limiting the locking sleeve 142.
Further, one end of the adjusting screw 141 in the locking sleeve 142 is rotatably provided with a rotating block 144, the wedge-shaped portion is located at an end of the rotating block 144 and is arranged around a circumference of the rotating block 144, and the locking blocks 143 are arranged in a plurality around a circumference of the rotating block 144.
Specifically, rotatory piece 144 is hollow structure, and with adjusting screw 141 coaxial distribution, the rotatable cover of rotatory piece 144 is established on fixed axle 145, fixed axle 145 one end fixed connection adjusting screw 141 tip, there is the nut other one end through threaded connection, rotatory piece 144 is located between nut and the adjusting screw 141, wedge portion specifically is for setting up the inclined plane of keeping away from adjusting screw 141 one end at rotatory piece 144, thereby make rotatory piece 144 tip be conical structure, the inclined plane of latch 143 and wedge portion adaptation can be the chamfer at latch 143 both ends.
Furthermore, as shown in fig. 1 and 6, the present invention can be implemented on a vertical or horizontal blast zone wall surface 1 so as to correspond to a horizontal blast hole, a downward blast hole, and an upward blast hole.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various changes, modifications, alterations, and substitutions which may be made by those skilled in the art without departing from the spirit of the present invention shall fall within the protection scope defined by the claims of the present invention.
Claims (10)
1. A device for controlling the inclination and dip of a blast hole is characterized in that: including being horizontal measurement board (7) and vertical measurement board (5) that arc structure and concentric setting, slidable connection connecting block (6) are gone up in horizontal measurement board (7), and its slip direction is followed the circumference of horizontal measurement board (7), vertical measurement board (5) slidable connects connecting block (6), its slip direction is followed the circumference of vertical measurement board (5), all be provided with the scale mark on vertical, the horizontal measurement board, the one end fixed connection of vertical measurement board (5) and adsorption shell (10) of drilling rod (2) adaptation.
2. A blasthole inclination, dip control apparatus as defined in claim 1, further comprising: one side of connecting block (6) is provided with the horizontal groove, and one side is provided with vertical groove in addition, connecting block (6) through horizontal groove slidable nestification on horizontal measurement board (7) to through vertical groove slidable nestification on vertical measurement board (5), the horizontal groove with all be provided with damping mechanism (8) on the vertical groove.
3. A blasthole inclination, dip control apparatus as defined in claim 2, further comprising: the damping mechanism (8) comprises two oppositely arranged locking screws (801), an elastic block (802) is arranged between the two locking screws (801), and the locking screws (801) are abutted against the elastic block (802);
the locking screws (801) are in threaded connection with the two sides of the horizontal groove and the vertical groove, concentric arc-shaped holes (9) are formed in the vertical measuring plate and the horizontal measuring plate, and the elastic blocks (802) are located in the arc-shaped holes (9).
4. A blasthole inclination, inclination control apparatus as defined in claim 3, further comprising: blind holes are formed in the opposite ends of the two locking screws (801), protrusions (803) matched with the blind holes are arranged on the two sides of the elastic block (802), and the protrusions (803) are inserted into the blind holes.
5. A blasthole inclination, inclination control apparatus as defined in claim 1, further comprising: adsorption shell (10) are the arc structure, and with drilling rod (2) are concentric, adsorption shell (10) axle center with the radial off-centre setting of vertical measurement board (5) for it can be towards the horizontal direction in its axle center, the both ends of vertical measurement board (5) are all fixed to be provided with adsorption shell (10).
6. A blasthole inclination, inclination control apparatus as defined in claim 1, further comprising: the two ends of the horizontal measuring plate (7) are fixedly connected with sliding plates (3), the sliding plates (3) are arranged on the support in a sliding mode, the sliding direction of the sliding plates is along the horizontal direction parallel to the explosion area wall face (1), and the support is connected with the explosion area wall face (1).
7. A blasthole inclination, dip control apparatus as defined in claim 6 wherein: the support is including connecting two fixed plate (13) on explosion zone wall (1), two connect two slide bars (12) between fixed plate (13), two slide bar (12) axial level and vertical direction distribute side by side, two slide bar (12) pass slide (3).
8. A blasthole inclination, inclination control apparatus as defined in claim 7, further comprising: the two ends of the sliding rod (12) are respectively fixedly connected with one end of a fixing rod (11), the other end of the fixing rod (11) is detachably connected with the fixing plate (13), and the sliding plate (3) and the explosion area wall surface (1) are arranged at intervals.
9. A blasthole inclination, dip control apparatus as set forth in claim 7, wherein: connect through a plurality of coupling mechanism (14) on fixed plate (13) explode district wall face (1), coupling mechanism (14) include threaded connection adjusting screw (141) of fixed plate (13), the cover is equipped with lock sleeve (142) on adjusting screw (141), lock sleeve (142) are located in the mounting hole on exploding district wall face (1), adjusting screw (141) are located one end in lock sleeve (142) is provided with wedge portion, the global of lock sleeve (142) is provided with the bar hole, the downthehole slidable of bar is provided with latch segment (143), latch segment (143) one end is located in lock sleeve (142), and be provided with the inclined plane of wedge portion adaptation, latch segment (143) other end butt the mounting hole inner wall.
10. A blasthole inclination, inclination control apparatus as defined in claim 9, further comprising: the adjusting screw (141) is located rotatable rotatory piece (144) that is provided with of one end in lock sleeve (142), the wedge portion is located the tip of rotatory piece (144), and set up around the global of rotatory piece (144), locking piece (143) are provided with a plurality ofly around the circumference of rotatory piece (144).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211047575.XA CN115289925B (en) | 2022-08-29 | 2022-08-29 | Control device for inclination and inclination angle of blast hole |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211047575.XA CN115289925B (en) | 2022-08-29 | 2022-08-29 | Control device for inclination and inclination angle of blast hole |
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| CN115289925A true CN115289925A (en) | 2022-11-04 |
| CN115289925B CN115289925B (en) | 2023-10-13 |
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| CN202211047575.XA Active CN115289925B (en) | 2022-08-29 | 2022-08-29 | Control device for inclination and inclination angle of blast hole |
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| SU1719630A1 (en) * | 1990-01-22 | 1992-03-15 | Красноярский институт цветных металлов им.М.И.Калинина | Device for blasthole direction location |
| KR101324881B1 (en) * | 2012-06-08 | 2013-11-01 | 양흥모 | Measurement scale for burying pipe |
| CN105239997A (en) * | 2015-10-09 | 2016-01-13 | 山东大学 | Drilling azimuth angle and dip angle positioning device and positioning method thereof |
| CN206740007U (en) * | 2017-05-02 | 2017-12-12 | 陕西鸿安爆破工程有限责任公司 | A kind of blast working blasthole position indicator |
| CN109441431A (en) * | 2018-10-31 | 2019-03-08 | 河南大有能源股份有限公司新安煤矿 | A kind of coal mining drilling drift angle dipmeter |
| CN211147552U (en) * | 2019-12-25 | 2020-07-31 | 烟台市牟平区西直格庄金矿有限公司 | Auxiliary measuring device for blasting hole angle for mining area exploitation |
| CN211573414U (en) * | 2019-10-15 | 2020-09-25 | 袁成龙 | Blasting drilling equipment that mine opened and adopted |
| CN112729036A (en) * | 2021-01-25 | 2021-04-30 | 华侨大学 | Accurate control auxiliary device of tunnel blasting big gun hole angle |
-
2022
- 2022-08-29 CN CN202211047575.XA patent/CN115289925B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1719630A1 (en) * | 1990-01-22 | 1992-03-15 | Красноярский институт цветных металлов им.М.И.Калинина | Device for blasthole direction location |
| KR101324881B1 (en) * | 2012-06-08 | 2013-11-01 | 양흥모 | Measurement scale for burying pipe |
| CN105239997A (en) * | 2015-10-09 | 2016-01-13 | 山东大学 | Drilling azimuth angle and dip angle positioning device and positioning method thereof |
| CN206740007U (en) * | 2017-05-02 | 2017-12-12 | 陕西鸿安爆破工程有限责任公司 | A kind of blast working blasthole position indicator |
| CN109441431A (en) * | 2018-10-31 | 2019-03-08 | 河南大有能源股份有限公司新安煤矿 | A kind of coal mining drilling drift angle dipmeter |
| CN211573414U (en) * | 2019-10-15 | 2020-09-25 | 袁成龙 | Blasting drilling equipment that mine opened and adopted |
| CN211147552U (en) * | 2019-12-25 | 2020-07-31 | 烟台市牟平区西直格庄金矿有限公司 | Auxiliary measuring device for blasting hole angle for mining area exploitation |
| CN112729036A (en) * | 2021-01-25 | 2021-04-30 | 华侨大学 | Accurate control auxiliary device of tunnel blasting big gun hole angle |
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| CN115289925B (en) | 2023-10-13 |
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