CN114485298A - Directional control smooth blasting device and blasting method - Google Patents

Directional control smooth blasting device and blasting method Download PDF

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Publication number
CN114485298A
CN114485298A CN202210122466.3A CN202210122466A CN114485298A CN 114485298 A CN114485298 A CN 114485298A CN 202210122466 A CN202210122466 A CN 202210122466A CN 114485298 A CN114485298 A CN 114485298A
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China
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blasting
calibration
fixed calibration
center
adjustable fixed
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CN202210122466.3A
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CN114485298B (en
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任占凤
吕雅伦
齐向上
高义
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Guangxi Jinjianhua Blasting Engineering Co ltd
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Guangdong Huasheng Security Professional Evaluation Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D1/00Blasting methods or apparatus, e.g. loading or tamping
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D3/00Particular applications of blasting techniques
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)

Abstract

The invention discloses a directional control smooth blasting device and a blasting method, belonging to the technical field of smooth blasting, comprising a bottom end calibration bracket, a center fixed calibration component, a lateral adjustable fixed calibration component and a hanging type longitudinal point location spraying component, wherein the lateral adjustable fixed calibration component is sequentially arranged on both sides of the center fixed calibration component, the two lateral adjustable fixed calibration components positioned at the bottom are respectively connected with both ends of the bottom end calibration bracket, the hanging type longitudinal point location spraying components are respectively arranged at the bottoms of the center fixed calibration component and the lateral adjustable fixed calibration component in a sliding way, the bottom end calibration bracket comprises a fixed frame, a movable seat, a movable connecting rod, an inner movable block and an indicator light, the directional control smooth blasting device can adapt to different tunnel topographic blasting, and the distance and the inclination angle between each lateral adjustable fixed calibration component can also be adjusted, can satisfy different drilling location demands, easy and simple to handle, location effect is good, and blasting effect is good.

Description

Directional control smooth blasting device and blasting method
Technical Field
The invention relates to a smooth blasting device and a blasting method, in particular to a directional control smooth blasting device and a blasting method, and belongs to the technical field of smooth blasting.
Background
Smooth blasting is a controlled blasting technique in which the new wall surface that is blasted remains flat without significant damage. The method is characterized in that a row of smooth blasting holes with the hole spacing matched with the minimum resistance line are drilled on a designed excavation contour line, non-coupled powder charging or other special powder charging structures are adopted, and after blasting of an excavation main body, powder charging in the smooth blasting holes is simultaneously initiated to form a smooth and flat excavation surface penetrating through the smooth blasting holes.
The current smooth blasting device and blasting method are basically mature, when blasting parameters are reasonably selected, a continuous smooth wall surface is formed, a high and steep slope intelligent blasting device is provided in the invention patent with the application number of CN201921677050.8, the device is moved to a designated position, the device is pulled to prevent the device from toppling, then two knob handles on an uphill slope are simultaneously rotated in the positive direction according to the slope angle, so that a screw rod is rotated, the screw rod drives an extension rod to ascend, a connecting plate ascends, when the two corresponding extension rods are adjusted to a certain length, the blasting device and a horizontal plane form a vertical state, so that the blasting device can be reliably fixed, the next blasting work can be carried out, the operation flow is less, the extension rod can be adjusted only by rotating the knob handles, the application range of the blasting device is enlarged, but in the practical application process, the existing directional control smooth blasting device still has some defects to be improved, and the specific implementation is that arrangement of blast holes is complex, most of blast holes are realized by adopting a manual paint spraying mode, the automation degree is low, the calibration effect is poor, and the drilling position is not accurate enough.
Disclosure of Invention
The invention aims to solve the problems and provide a directional control smooth blasting device and a blasting method, a blasting point can be positioned through a bottom end calibration support, a center fixed calibration component, a lateral adjustable fixed calibration component and a hanging type longitudinal point position spraying component, the total length of the center fixed calibration component and the lateral adjustable fixed calibration component can be adjusted, in the actual use process, the directional control smooth blasting device can adapt to blasting of different tunnel terrains, the distance and the inclination angle between the lateral adjustable fixed calibration components can be adjusted, and different drilling positioning requirements can be met.
The invention realizes the aim through the following technical scheme, and the directional control smooth blasting device comprises a bottom end calibration support, a center fixed calibration component, a lateral adjustable fixed calibration component and a hanging type longitudinal point location spraying component, wherein the lateral adjustable fixed calibration component is sequentially arranged on two sides of the center fixed calibration component, the two lateral adjustable fixed calibration components positioned at the bottom are respectively connected with two ends of the bottom end calibration support, and the hanging type longitudinal point location spraying component is slidably arranged at the bottoms of the center fixed calibration component and the lateral adjustable fixed calibration component.
Preferably, in order to enable the indicator lamp on the fixed frame to indicate different positions, the drilling point can be conveniently and accurately positioned, the bottom end calibration support comprises a fixed frame, a movable seat, a movable connecting rod, an inner movable block and an indicator lamp, a central through groove is formed in the center of the fixed frame of the movable seat, the indicator lamp is arranged on the outer wall of the fixed frame and located at the bottom of the central through groove, and the distance between the indicator lamps is 20 cm.
Preferably, in order to enable the positioning penetrating groove formed in the movable connecting rod to be used for drilling, a sliding groove is formed in the fixed frame, the inner movable block is arranged in the sliding groove in a sliding mode, one end of the movable connecting rod is fixedly arranged on the inner movable block, the other end of the movable connecting rod penetrates out of the sliding groove and extends to the outside of the fixed frame to be connected with the movable seat, the total number of the movable connecting rods is four, the upper and lower adjacent movable connecting rods form the positioning penetrating groove for drilling, and the two laterally adjustable fixed calibration assemblies located at the bottom are respectively connected with the two movable seats.
Preferably, in order to make solid fixed ring of drilling and central holding ring all can drill for the fixed calibration subassembly is fixed at fixed whole center, the fixed calibration subassembly in center includes solid fixed ring of central holding ring, drilling and the solid fixed ring of swivelling joint support, the solid fixed ring welding of drilling is in the top of central holding ring, the location logical groove has been seted up in the solid fixed ring of central holding, the drilling groove has been seted up in the solid fixed ring of drilling.
Preferably, in order to enable the angle and the length between each lateral adjustable fixed calibration assembly to be adjustable, each lateral adjustable fixed calibration assembly is connected with the central positioning ring through the rotary connecting support, each lateral adjustable fixed calibration assembly is connected with the rotary connecting support in sequence through the same structure, each lateral adjustable fixed calibration assembly comprises a motor frame, an adjusting motor and an adjusting telescopic rod, the adjusting motor is installed on the motor frame, the adjusting telescopic rod is installed on an output shaft of the adjusting motor, and the telescopic direction of the adjusting telescopic rod is perpendicular to the direction of the output shaft of the adjusting motor.
Preferably, in order to enable the side positioning groove to play a positioning effect, the side adjustable fixing calibration assembly comprises a side positioning ring, and the side positioning groove is formed in the side positioning ring.
Preferably, in order to make interior slide, keep vertical downwards, suspension type longitudinal point position spraying assembly includes annular clamp, interior slide, receiver, winding motor, winding rod, connecting cable and spraying ring, interior slide slides and sets up in the fixed calibration subassembly in center or the bottom of the adjustable fixed calibration subassembly in side direction, annular clamp is installed the bottom of interior slide.
Preferably, in order to make the control rolling that each spraying ring can be nimble, make things convenient for the spraying location, the receiver welding is in the bottom of annular clamp, winding motor sets up one side of receiver, the winding reel rotates through the reinforced axle to set up in the receiver and one end with winding motor's output shaft is connected, the setting of connecting cable rope coiling is in on the winding reel, the spraying ring with connecting cable rope fixed connection, each the spraying ring loops through and connects the rope and connect.
A directional control smooth blasting method comprises the following steps:
the method comprises the steps of firstly, collecting data of a tunnel face through various measuring and calculating instruments, wherein the data comprises the size of the tunnel face, the strength of rocks in a tunnel and the like, then carrying out blasting simulation in a simulation system of an intelligent computer, determining various blasting parameters comprising depth parameters of holes to be charged, and determining charging intervals corresponding to the holes according to the depth parameters of the holes;
secondly, debugging and installing equipment, detecting a blasting device and related equipment of detonator explosives to ensure that the equipment is normal, then placing the blasting device on a tunnel surface, positioning a blasting point by utilizing a bottom calibration bracket, a central fixed calibration component, a lateral adjustable fixed calibration component and a hanging type longitudinal point position spraying component of the blasting device, and then drilling holes on the blasting point to form a peripheral eyelet, a bottom plate eyelet, a peripheral auxiliary eyelet, a vault auxiliary eyelet and a uniform eyelet;
thirdly, arranging and blasting the detonator, driving the detonator into the drilling position, then removing the blasting device, moving personnel to a safe position, controlling the detonator to start, detonating the explosive, enabling the generated shock wave and high-temperature and high-pressure gas to act on the eye wall, strongly compressing and crushing rocks around the peripheral eye hole, the bottom plate eye hole, the peripheral auxiliary eye hole, the vault auxiliary eye hole and the uniform eye hole, and simultaneously transmitting the formed compression stress wave to all directions, thereby finally realizing smooth blasting.
The invention has the beneficial effects that: the bottom end calibration support, the center fixed calibration component, the lateral adjustable fixed calibration component and the hanging type longitudinal point position spraying component are used for positioning a blasting point, then drilling is carried out on the blasting point to form a peripheral eyelet, a bottom plate eyelet, a peripheral auxiliary eyelet, a vault auxiliary eyelet and a uniform eyelet, the length of the bottom end calibration support and the total length of the center fixed calibration component and the lateral adjustable fixed calibration component can be adjusted, in the actual use process, the tunnel bottom end calibration support can adapt to blasting of different tunnel terrains, the distance and the inclination angle between the lateral adjustable fixed calibration components can be adjusted, and different drilling positioning requirements can be met.
Drawings
Fig. 1 is an overall cross-sectional view of the present invention.
FIG. 2 is a cross-sectional view of a bottom calibration fixture according to the present invention.
FIG. 3 is an enlarged partial view of a portion of the center fixed alignment assembly of the present invention.
FIG. 4 is a cross-sectional view of a laterally adjustable fixed alignment assembly of the present invention.
Fig. 5 is a schematic view of a hanging longitudinal spot-location spraying assembly according to the present invention.
FIG. 6 is a schematic diagram of the distribution of the explosion points in the present invention.
In the figure: 1. the device comprises a bottom end calibration support, 1-1 parts, a fixed frame, 1-2 parts, a moving seat, 1-3 parts, a movable connecting rod, 1-4 parts, an inner movable block, 1-5 parts, a sliding groove, 1-6 parts, a center through groove, 1-7 parts, an indicator light, 2 parts, a center fixed calibration component, 2-1 parts, a center positioning ring, 2-2 parts, a drilling fixing ring, 2-3 parts, a positioning through groove, 2-4 parts, a drilling groove, 2-5 parts, a rotary connection support, 3 parts, a lateral adjustable fixed calibration component, 3-1 parts, a lateral positioning ring, 3-2 parts, a lateral positioning groove, 3-3 parts, a motor frame, 3-4 parts, an adjusting motor, 3-5 parts, an adjusting telescopic rod, 4 parts, a hanging type longitudinal point location spraying component, 4-1 parts, an annular hoop, 4-2 parts and an inner sliding sheet, 4-3 parts of a storage box, 4-4 parts of a winding motor, 4-5 parts of a winding rod, 4-6 parts of a connecting cable, 4-7 parts of a spraying ring, 5 parts of a tunnel face, 6 parts of peripheral eyelets, 7 parts of bottom plate eyelets, 8 parts of peripheral auxiliary eyelets, 9 parts of vault auxiliary eyelets and 10 parts of uniform eyelets.
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.
Please refer to FIGS. 1-6
Example 1
The utility model provides a directional control plain noodles blasting device, including bottom calibration support 1, calibration subassembly 2 is fixed at the center, adjustable fixed calibration subassembly 3 of side direction and suspension type longitudinal point location spraying assembly 4, the adjustable fixed calibration subassembly 3 of side direction is all installed in proper order to 2 both sides of the fixed calibration subassembly in center, two adjustable fixed calibration subassemblies 3 of side direction that are located the bottom are connected with the both ends of bottom calibration support 1 respectively, the equal slidable mounting in bottom of the fixed calibration subassembly 2 in center and the adjustable fixed calibration subassembly 3 of side direction has suspension type longitudinal point location spraying assembly 4.
When the method is practically used, after blasting parameters are determined, the bottom end calibration support 1 is placed on the ground, the central fixed calibration component 2 is fixed at the top center position of the tunnel face 5, then the distance between the lateral adjustable fixed calibration components 3 is controlled, finally the hanging type longitudinal point position spraying component 4 is unfolded, drilling is directly carried out in the central fixed calibration component 2 and the lateral adjustable fixed calibration components 3, then explosive detonators are filled, drilling is carried out in the bottom end calibration support 1, and then the explosive detonators are filled and placed.
As a technical optimization scheme of the invention, as shown in FIG. 2, a bottom end calibration support 1 comprises a fixed frame 1-1, a movable seat 1-2, a movable connecting rod 1-3, an inner movable block 1-4 and an indicator light 1-7, a central through groove 1-6 is formed in the center of the fixed frame 1-1 of the movable seat 1-2, the indicator light 1-7 is arranged on the outer wall of the fixed frame 1-1, the indicator light 1-7 is located at the bottom of the central through groove 1-6, the distance between the indicator lights 1-7 is 20cm, the position of a drilling hole is indicated through the indicator lights 1-7, and the accuracy of the drilling hole is ensured.
As a technical optimization scheme of the invention, as shown in figure 2, a fixed frame 1-1 is internally provided with a sliding groove 1-5, an inner movable block 1-4 is arranged in the sliding groove 1-5 in a sliding manner, one end of a movable connecting rod 1-3 is fixedly arranged on the inner movable block 1-4, and the other end of the movable connecting rod 1-3 penetrates through the sliding groove 1-5 and extends to the outside of the fixed frame 1-1 to be connected with a movable seat 1-2, so that the position of the movable seat 1-2 can be adjusted.
As a technical optimization scheme of the invention, as shown in FIG. 2, the total number of the movable connecting rods 1-3 is four, a positioning through groove for drilling is formed between the adjacent upper and lower movable connecting rods 1-3, two lateral adjustable fixed calibration assemblies 3 positioned at the bottom are respectively connected with the two movable seats 1-2, and the drilling point is ensured to be horizontal through the arrangement of the through groove, so that the blasting effect is ensured.
Example 2
The utility model provides a directional control plain noodles blasting device, including bottom calibration support 1, calibration subassembly 2 is fixed at the center, adjustable fixed calibration subassembly 3 of side direction and suspension type longitudinal point location spraying assembly 4, the adjustable fixed calibration subassembly 3 of side direction is all installed in proper order to 2 both sides of the fixed calibration subassembly in center, two adjustable fixed calibration subassemblies 3 of side direction that are located the bottom are connected with the both ends of bottom calibration support 1 respectively, the equal slidable mounting in bottom of the fixed calibration subassembly 2 in center and the adjustable fixed calibration subassembly 3 of side direction has suspension type longitudinal point location spraying assembly 4.
The structure of the center fixing and calibrating component 2 is customized on the basis of the embodiment 1, as shown in fig. 3, the center fixing and calibrating component 2 includes a center positioning ring 2-1, a drilling fixing ring 2-2 and a rotary connecting support 2-5, the drilling fixing ring 2-2 is welded on the top of the center positioning ring 2-1, a positioning through groove 2-3 is formed in the center positioning ring 2-1 and used for positioning the detonator drilling, and a drilling groove 2-4 is formed in the drilling fixing ring 2-2 and used for driving a fixing bolt to fix the center fixing and calibrating component 2.
As a technical optimization scheme of the invention, as shown in FIGS. 3 and 4, a lateral adjustable fixed calibration component 3 is connected with a central positioning ring 2-1 through a rotary connecting support 2-5, each lateral adjustable fixed calibration component 3 is sequentially connected through the rotary connecting supports 2-5 with the same structure, the lateral adjustable fixed calibration component 3 comprises a motor frame 3-3, an adjusting motor 3-4 and an adjusting telescopic rod 3-5, the adjusting motor 3-4 is arranged on the motor frame 3-3, the adjusting telescopic rod 3-5 is arranged on an output shaft of the adjusting motor 3-4, the telescopic direction of the adjusting telescopic rod 3-5 is vertical to the output shaft direction of the adjusting motor 3-4, the lateral adjustable fixed calibration component 3 comprises a lateral positioning ring 3-1, a side positioning groove 3-2 is arranged in the side positioning ring 3-1.
In the actual use process of the lateral adjustable fixed calibration assembly 3, the adjusting telescopic rods 3-5 are driven to rotate by opening the adjusting motors 3-4, so that the positions of the lateral positioning rings 3-1 are adjusted, and meanwhile, the lateral positioning rings 3-1 can be further adjusted by adjusting the extension and retraction of the telescopic rods 3-5, so that the lateral adjustable fixed calibration assembly is used. The lateral positioning rings 3-1 can be distributed according to actual requirements, and the flexibility is higher.
Example 3
The utility model provides a directional control plain noodles demolition unit, including bottom calibration support 1, calibration subassembly 2 is fixed at the center, adjustable fixed calibration subassembly 3 of side direction and suspension type longitudinal point location spray assembly 4, the adjustable fixed calibration subassembly 3 of side direction is all installed in proper order to 2 sides of fixed calibration subassembly in center, two adjustable fixed calibration subassemblies 3 of side direction that are located the bottom are connected with the both ends of bottom calibration support 1 respectively, the equal slidable mounting in bottom of the fixed calibration subassembly 2 in center and the adjustable fixed calibration subassembly 3 of side direction has suspension type longitudinal point location spray assembly 4.
The structure of the hanging type longitudinal point location spraying component 4 is customized on the basis of the embodiment 1, as shown in fig. 5, the hanging type longitudinal point location spraying component 4 comprises an annular hoop 4-1, an inner slide sheet 4-2, a storage box 4-3, a winding motor 4-4, a winding rod 4-5, a connecting cable 4-6 and a spraying ring 4-7, the inner slide sheet 4-2 is slidably arranged at the bottom of the central fixed calibration component 2 or the laterally adjustable fixed calibration component 3, and the annular hoop 4-1 is arranged at the bottom of the inner slide sheet 4-2, so that the hanging type longitudinal point location spraying component 4 is in a movable structure and keeps vertically downward in the actual use process.
As a technical optimization scheme of the invention, as shown in figure 5, a storage box 4-3 is welded at the bottom of an annular hoop 4-1, a winding motor 4-4 is arranged at one side of the storage box 4-3, a winding rod 4-5 is rotatably arranged in the storage box 4-3 through a reinforcing shaft, one end of the winding rod is connected with an output shaft of the winding motor 4-4, a connecting cable 4-6 is wound on the winding rod 4-5, a spraying ring 4-7 is fixedly connected with the connecting cable 4-6, each spraying ring 4-7 is connected through a connecting rope in sequence, when the spraying device is actually used, the winding rod 4-5 is driven to rotate through the starting of the winding motor 4-4, and then the connecting cable 4-6 and the connecting rope are controlled to be wound, so as to realize the winding control of the spraying ring 4-7, in the actual use process, the spraying position is positioned through the spraying ring, then the hole is drilled, and the drilling precision is effectively improved.
A directional control smooth blasting method comprises the following steps:
the method comprises the steps of firstly, acquiring and simulating data of a tunnel face 5 through various measuring and calculating instruments, wherein the data comprises the size of the tunnel face 5, the rock strength in a tunnel and the like, then carrying out blasting simulation in a simulation system of an intelligent computer, thereby determining various blasting parameters comprising depth parameters of holes to be charged, and determining charging intervals corresponding to the holes according to the depth parameters of the holes;
secondly, debugging and installing equipment, detecting a blasting device and related equipment of detonator explosives to ensure that the equipment is normal, then placing the blasting device on a tunnel face 5, positioning a blasting point by utilizing a bottom calibration support 1, a central fixed calibration component 2, a lateral adjustable fixed calibration component 3 and a hanging type longitudinal point position spraying component 4 of the blasting device, and then drilling holes on the blasting point to form a peripheral eyelet 6, a bottom plate eyelet 7, a peripheral auxiliary eyelet 8, a vault auxiliary eyelet 9 and a uniform eyelet 10;
thirdly, arranging and blasting the detonator, striking the detonator at the drilling position, then removing the blasting device, moving personnel to a safe position, controlling the detonator to start, detonating explosive, enabling the generated shock wave and high-temperature and high-pressure gas to act on the eye wall, strongly compressing and crushing rocks around the peripheral eye hole 6, the bottom plate eye hole 7, the peripheral auxiliary eye hole 8, the vault auxiliary eye hole 9 and the uniform eye hole 10, and transmitting the formed compression stress wave to all directions at the same time, thereby finally realizing smooth blasting.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. A directional control smooth blasting device is characterized in that: including bottom calibration support (1), the fixed calibration subassembly in center (2), the adjustable fixed calibration subassembly of side direction (3) and the vertical position spraying subassembly of suspension type (4), the adjustable fixed calibration subassembly of side direction (3) is all installed in proper order to the fixed calibration subassembly in center (2) both sides, is located two of bottom the adjustable fixed calibration subassembly of side direction (3) respectively with the both ends of bottom calibration support (1) are connected, the fixed calibration subassembly in center (2) with the equal slidable mounting in bottom of the adjustable fixed calibration subassembly of side direction (3) has vertical position spraying subassembly of suspension type (4).
2. A directionally controlled smooth blasting apparatus as claimed in claim 1, wherein: the bottom end calibration support (1) comprises a fixed frame (1-1), a movable seat (1-2), a movable connecting rod (1-3), an inner movable block (1-4) and indicator lights (1-7), wherein a center penetrating groove (1-6) is formed in the center of the fixed frame (1-1) of the movable seat (1-2), the indicator lights (1-7) are arranged on the outer wall of the fixed frame (1-1), the indicator lights (1-7) are located at the bottom of the center penetrating groove (1-6), and the distance between the indicator lights (1-7) is 20 cm.
3. A directionally controlled smooth blasting apparatus as claimed in claim 2, wherein: a sliding groove (1-5) is formed in the fixed frame (1-1), the inner movable block (1-4) is arranged in the sliding groove (1-5) in a sliding mode, one end of the movable connecting rod (1-3) is fixedly arranged on the inner movable block (1-4), and the other end of the movable connecting rod (1-3) penetrates out of the sliding groove (1-5) and extends to the outside of the fixed frame (1-1) to be connected with the movable seat (1-2).
4. A directionally controlled smooth blasting apparatus as claimed in claim 3, wherein: the total number of the movable connecting rods (1-3) is four, a positioning penetrating groove for drilling is formed between the upper and lower adjacent movable connecting rods (1-3), and the two lateral adjustable fixed calibration assemblies (3) positioned at the bottom are respectively connected with the two movable seats (1-2).
5. A directionally controlled smooth blasting apparatus as claimed in claim 1, wherein: the center fixing and calibrating assembly (2) comprises a center positioning ring (2-1), a drilling fixing ring (2-2) and a rotary connecting support (2-5), the drilling fixing ring (2-2) is welded at the top of the center positioning ring (2-1), a positioning through groove (2-3) is formed in the center positioning ring (2-1), and a drilling groove (2-4) is formed in the drilling fixing ring (2-2).
6. A directionally controlled smooth blasting apparatus as claimed in claim 5, wherein: the lateral adjustable fixed calibration components (3) are connected with the central positioning ring (2-1) through the rotary connecting supports (2-5), the lateral adjustable fixed calibration components (3) are sequentially connected through the rotary connecting supports (2-5) with the same structure, the lateral adjustable fixed calibration component (3) comprises a motor frame (3-3), an adjusting motor (3-4) and an adjusting telescopic rod (3-5), the adjusting motor (3-4) is arranged on the motor frame (3-3), the adjusting telescopic rod (3-5) is arranged on an output shaft of the adjusting motor (3-4), and the telescopic direction of the adjusting telescopic rod (3-5) is vertical to the direction of the output shaft of the adjusting motor (3-4).
7. A directionally controlled smooth blasting apparatus as claimed in claim 1, wherein: the lateral adjustable fixed calibration assembly (3) comprises a lateral positioning ring (3-1), and a lateral positioning groove (3-2) is formed in the lateral positioning ring (3-1).
8. A directionally controlled smooth blasting apparatus as claimed in claim 1, wherein: hanging type longitudinal point position spraying assembly (4) comprises an annular hoop (4-1), an inner sliding piece (4-2), a storage box (4-3), a winding motor (4-4), a winding rod (4-5), a connecting cable rope (4-6) and a spraying ring (4-7), wherein the inner sliding piece (4-2) is arranged at the center in a sliding mode or at the bottom of the lateral adjustable fixed calibration assembly (3), and the annular hoop (4-1) is installed at the bottom of the inner sliding piece (4-2).
9. A directionally controlled smooth blasting apparatus as claimed in claim 8, wherein: the storage box (4-3) is welded at the bottom of the annular clamp (4-1), the winding motor (4-4) is arranged on one side of the storage box (4-3), the winding rod (4-5) is rotatably arranged in the storage box (4-3) through a reinforcing shaft, one end of the winding rod is connected with an output shaft of the winding motor (4-4), the connecting cable rope (4-6) is wound on the winding rod (4-5), the spraying rings (4-7) are fixedly connected with the connecting cable rope (4-6), and the spraying rings (4-7) are sequentially connected through a connecting rope.
10. A method of directionally controlled smooth blasting according to any one of claims 1 to 9, comprising the steps of:
the method comprises the steps of firstly, acquiring and simulating data of a tunnel face (5) through various measuring and calculating instruments, wherein the data comprises the size of the tunnel face (5), the rock strength in a tunnel and the like, then carrying out blasting simulation in a simulation system of an intelligent computer, thereby determining various blasting parameters comprising depth parameters of holes to be charged, and determining charging intervals corresponding to the holes according to the depth parameters of the holes;
secondly, debugging and installing equipment, detecting a blasting device and related equipment of detonator explosives to ensure that the equipment is normal, then placing the blasting device on a tunnel face (5), positioning a blasting point by utilizing a bottom calibration bracket (1), a center fixed calibration component (2), a lateral adjustable fixed calibration component (3) and a hanging type longitudinal point position spraying component (4) of the blasting device, and then drilling holes on the blasting point to form a peripheral eyelet (6), a bottom plate eyelet (7), a peripheral auxiliary eyelet (8), a vault auxiliary eyelet (9) and a uniform eyelet (10);
thirdly, arranging and blasting the detonator, striking the detonator at the drilling position, then removing the blasting device, moving personnel to a safe position, controlling the detonator to open, detonating explosive, enabling the generated shock wave and high-temperature and high-pressure gas to act on the eye wall, and enabling rocks around the peripheral eye hole (6), the bottom plate eye hole (7), the peripheral auxiliary eye hole (8), the arch crown auxiliary eye hole (9) and the uniform eye hole (10) to be subjected to strong compression crushing, and meanwhile, the formed compression stress wave is spread in all directions, so that smooth blasting is finally realized.
CN202210122466.3A 2022-02-09 2022-02-09 Directional control smooth blasting device and blasting method Active CN114485298B (en)

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