CN209745138U - efficient static blasting auxiliary orienting device for grooving large drill hole - Google Patents
efficient static blasting auxiliary orienting device for grooving large drill hole Download PDFInfo
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- CN209745138U CN209745138U CN201920470632.2U CN201920470632U CN209745138U CN 209745138 U CN209745138 U CN 209745138U CN 201920470632 U CN201920470632 U CN 201920470632U CN 209745138 U CN209745138 U CN 209745138U
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Abstract
A supplementary orienting device of high-efficient static blasting for big drilling of grooving, including left deflector and the right deflector that perpendicular setting and bilateral symmetry set up, left deflector and right deflector are preceding flat board from preceding back in proper order, well arc and back flat board, the relative cylinder chamber that forms about the well arc of left deflector and right deflector, the preceding side contact of the preceding flat board of left deflector and right deflector forms preceding V die cavity, the back side contact of the back flat board of left deflector and right deflector forms back V die cavity, preceding V die cavity, cylinder chamber and back V die cavity link up, preceding V die cavity and back V die cavity are symmetrical around the central line of cylinder chamber, the last port department of left deflector and right deflector is provided with the plugging device, be provided with preceding V die cavity on the plugging device, the inside water injector of water injection of cylinder chamber and back V die cavity. The utility model discloses simple structure, the operation of being convenient for play the guide effect at static blasting in-process, improve the efficiency of static blasting to have good preventing orifice performance.
Description
Technical Field
The utility model belongs to the technical field of static blasting, concretely relates to supplementary orienting device of high-efficient static blasting for big drilling of grooving.
Background
static blasting is mainly characterized by adopting a soundless blasting agent (also called static blasting agent), wherein the main component of the blasting agent is a non-blasting crushing powdery material with high expansion performance, which is prepared by mixing and grinding inorganic compounds taking calcium oxide as a main body through high-temperature calcination and a proper amount of additives. Static blasting does not generate noise, vibration, dust and other public hazards, can smoothly and safely break and disintegrate rocks or concrete structures and the like, and is widely used in the fields of urban building and structure demolition, precious stone exploitation, non-blasting tunneling tunnels and the like.
The existing static blasting technology adopts small-aperture static blasting, the diameter of a drilled hole is 30-50 mm, once the aperture of the drilled hole is too large or the temperature is too high, dangerous orifice phenomena (the phenomenon that a static crushing agent is suddenly sprayed after being poured into the drilled hole) easily occur, the construction safety and the construction progress are influenced, and the blasting direction is uncertain. Meanwhile, compared with the large-aperture static blasting, the small-aperture static blasting has the problems of small expansion pressure, low reaction speed, low construction efficiency and the like. Meanwhile, the hydration reaction of the crusher is greatly influenced by the temperature, and the hydration is too slow below 0 ℃; the hydration reaction is fast at 40-50 ℃, but the spray is easy. In common words: "work to do this first will benefit the device. If a large-diameter (diameter larger than 50 mm) drill hole and blasting at the ambient temperature of 40-50 ℃ are adopted to improve the construction efficiency, a corresponding blowout-preventing hole, an orientation device capable of controlling the ambient temperature and a corresponding construction method are needed to provide support.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide a simple structure, be convenient for the operation, can prevent orifice, the efficient supplementary orienting device of high-efficient static blasting that is used for the big drilling of grooving.
In order to solve the technical problem, the utility model adopts the following technical scheme: a supplementary orienting device of high-efficient static blasting for big drilling of grooving, including left deflector and the right deflector that perpendicular setting and bilateral symmetry set up, left deflector and right deflector are preceding flat board from preceding back in proper order, well arc and back flat board, the relative cylinder chamber that forms about the well arc of left deflector and right deflector, the preceding side contact of the preceding flat board of left deflector and right deflector forms preceding V die cavity, the back side contact of the back flat board of left deflector and right deflector forms back V die cavity, preceding V die cavity, cylinder chamber and back V die cavity link up, preceding V die cavity and back V die cavity are symmetrical around the central line of cylinder chamber, the last port department of left deflector and right deflector is provided with the plugging device, be provided with preceding V die cavity on the plugging device, the inside water injector of water injection of cylinder chamber and back V die cavity.
The plugging device comprises a front V-shaped cylinder, a middle arc-shaped cylinder and a rear V-shaped cylinder which are sequentially communicated from front to back, an upper cover plate is horizontally arranged at the upper ends of the front V-shaped cylinder, the middle arc-shaped cylinder and the rear V-shaped cylinder, the front V-shaped cylinder and the rear V-shaped cylinder are symmetrically arranged from front to back relative to the central line of the middle arc-shaped cylinder, the V-shaped included angle of the cross section of the front V-shaped cylinder and the rear V-shaped cylinder is gradually increased from bottom to top, the outer diameter of the cross section of the middle arc-shaped cylinder is gradually increased from bottom to top, the outer contours of the lower ends of the front V-shaped cylinder, the middle arc-shaped cylinder and the rear V-shaped cylinder are correspondingly contacted with the inner contours of the upper ends of the front V-shaped cavity, the cylindrical cavity and the rear V-shaped cavity, guide pipes which are vertically corresponding to the front.
The water injector is provided with threely, and every water injector all includes an open container in top, and the container bottom is connected with the water injection pipe, and in the pipe of V type section of thick bamboo, well arc section of thick bamboo and back V type section of thick bamboo department before the water injection pipe correspondence was inserted, the water injection pipe lower extreme stretched into the inside downside of left deflector and right deflector.
By adopting the technical scheme, the construction method of the high-efficiency static blasting auxiliary orienting device for grooving large drill holes comprises the following steps:
A. Drilling a drill hole with the depth more than or equal to the height of the left guide plate and the right guide plate at the position of the preset static blasting according to the construction requirement, wherein the diameter of the drill hole is more than 50 mm;
B. Cutting two V-shaped cutting grooves with the same size as the cross sections of the front V-shaped cavity and the rear V-shaped cavity on the front side and the rear side of the drill hole along the direction of directional rock breaking by using a cutting groove device, wherein the depth of the V-shaped cutting groove is the same as the depth of the drill hole;
C. Placing a left guide plate and a right guide plate in a drilled hole and a V-shaped cutting groove, mixing a static crushing agent and water according to the proportion of 0.25-0.35, stirring to form slurry, pouring the slurry of the static crushing agent into a front V-shaped cavity, a cylindrical cavity and a rear V-shaped cavity formed between the left guide plate and the right guide plate, and tamping the slurry of the static crushing agent by using a wood stick;
D. Wedging a plugging device into the upper ports of the left guide plate and the right guide plate, wherein the outer contours of the lower ends of the front V-shaped cylinder, the middle arc-shaped cylinder and the rear V-shaped cylinder are correspondingly contacted with the inner contours of the upper ports of the front V-shaped cavity, the cylindrical cavity and the rear V-shaped cavity, and plugging the upper ports of the drill hole and the V-shaped cutting groove;
E. inserting a water injector into a guide pipe on an upper cover plate of the plugging device, inserting the water injection pipe into the static breaking agent slurry, then injecting warm water with the temperature of 50-60 ℃ into the water injector, accelerating the reaction, continuously knocking the plugging device downwards in the continuous reaction process of the warm water and the static breaking agent slurry to enable the outer side surfaces of the front V-shaped cylinder, the middle arc-shaped cylinder and the rear V-shaped cylinder to be in corresponding contact with the inner side walls of the upper ports of the front V-shaped cavity, the cylindrical cavity and the rear V-shaped cavity all the time, ensuring higher sealing performance and preventing spraying holes;
F. The static crushing agent slurry and water are subjected to chemical reaction to expand, and the front side and the rear side of the left guide plate and the right guide plate are expanded outwards, so that the rock, the building or the structure is slowly cracked statically, and after the rock, the building or the structure is subjected to static blasting, the efficient static blasting auxiliary orientation device is taken out and cleaned for blasting of the next drilling hole.
The utility model discloses following technological effect has:
(1) By adopting a mechanical auxiliary orienting device, the single-hole crusher has large loading capacity, high crushing energy and large expansion pressure on the hole wall; and the problems of orientation and spray holes in large-aperture static blasting are effectively solved, so that the static rock breaking technology can be used for the large-aperture blasting with the diameter of more than 50 mm.
(2) The pre-slotting around the drill hole and the cutting edges of the guide plates fully play a stress concentration effect, so that the guide plates can be ensured to be tightly contacted with the slotting drill hole, and the drill hole can be directionally expanded along the directions of the front side edges and the rear side edges of the two guide plates; meanwhile, the V-shaped included angle of the cross sections of the front V-shaped cylinder and the rear V-shaped cylinder of the plugging device is gradually increased from bottom to top, the outer diameter of the cross section of the middle arc-shaped cylinder is gradually increased from bottom to top, and the plugging device is frequently hammered in the static blasting process, so that the plugging device can always plug the upper ports of the two guide plates, the energy overflow is reduced, and the blowout prevention effect is better.
(3) in large-aperture static blasting, warm water at 40-60 ℃ is injected through a plurality of reserved water injection holes and a container, so that a high-speed hydration reaction environment can be provided for a static crushing agent, the reaction time is short, the crushing waiting time is effectively reduced, and the efficiency of directional static rock crushing is improved.
To sum up, the utility model discloses simple structure, the operation of being convenient for play the guide effect at static blasting in-process, improve the efficiency of static blasting to have good preventing orifice performance.
Drawings
FIG. 1 is a schematic structural view of the overall assembly of the present invention;
FIG. 2 is a top view of the left and right guide plates of FIG. 1;
FIG. 3 is a schematic structural view of a water injector in the middle of an upper cover plate;
FIG. 4 is a schematic structural view of water injectors at the front and rear sides of an upper cover plate;
figure 5 is a schematic perspective view of the occluding device.
Detailed Description
as shown in figures 1-5, the utility model discloses a supplementary orienting device of high-efficient static blasting for grooving big drilling, including left deflector 1 and the right deflector 2 that sets up perpendicularly and bilateral symmetry set up, left deflector 1 and right deflector 2 are preceding dull and stereotyped 3, well arc 4 and back flat board 5 from preceding back in proper order, the relative cylinder chamber 6 that forms about well arc 4 of left deflector 1 and right deflector 2, preceding V die cavity 7 is formed in the preceding side contact of the preceding dull and stereotyped 3 of left deflector 1 and right deflector 2, the back V die cavity 8 is formed in the back side contact of the back flat board 5 of left deflector 1 and right deflector 2, preceding V die cavity 7, cylinder chamber 6 and back V die cavity 8 link up, preceding V die cavity 7 and back V die cavity 8 are symmetrical around the central line of cylinder chamber 6, the up port department of left deflector 1 and right deflector 2 is provided with plugging device 9, be provided with preceding V7, right V die cavity 8, And water injectors 10 for injecting water into the cylindrical cavity 6 and the rear V-shaped cavity 8.
the plugging device 9 is composed of a front V-shaped cylinder 11, a middle arc-shaped cylinder 12 and a rear V-shaped cylinder 13 which are sequentially communicated from front to back, an upper cover plate 14 is horizontally arranged at the upper ends of the front V-shaped cylinder 11, the middle arc-shaped cylinder 12 and the rear V-shaped cylinder 13, the front V-shaped cylinder 11 and the rear V-shaped cylinder 13 are symmetrically arranged from front to back about the central line of the middle arc-shaped cylinder 12, the V-shaped included angle of the cross sections of the front V-shaped cylinder 11 and the rear V-shaped cylinder 13 is gradually increased from bottom to top, the outer diameter of the cross section of the middle arc-shaped cylinder 12 is gradually increased from bottom to top, the outer contours of the lower ends of the front V-shaped cylinder 11, the middle arc-shaped cylinder 12 and the rear V-shaped cylinder 13 are correspondingly contacted with the inner contours of the upper ends of the front V-shaped cavity 7, the cylindrical cavity 6 and the rear V-shaped cavity 8, through ducts which are respectively corresponding to the front V-shaped cylinder 11, the limit stop edge 15 plays a role of limiting the stopper from falling into the upper ports of the left guide plate 1 and the right guide plate 2.
the water injector 10 is provided with threely, and every water injector 10 all includes an open-topped container 16 in top, and container 16 bottom is connected with water injection pipe 17, and in water injection pipe 17 corresponds the pipe 18 of inserting preceding V type section of thick bamboo 11, well arc section of thick bamboo 12 and back V type section of thick bamboo 13 department, water injection pipe 17 lower extreme stretched into the inside downside of left deflector 1 and right deflector 2.
the construction method of the high-efficiency static blasting auxiliary directional device for grooving the large drill hole comprises the following steps:
A. drilling a drill hole with the depth more than or equal to the height of the left guide plate 1 and the right guide plate 2 at the position of the preset static blasting according to the construction requirement, wherein the diameter of the drill hole is more than 50 mm;
B. Cutting two V-shaped cutting grooves with the same size as the cross sections of the front V-shaped cavity 7 and the rear V-shaped cavity 8 on the front side and the rear side of the drill hole along the direction of directional rock breaking by using a cutting groove device, wherein the depth of the V-shaped cutting groove is the same as the depth of the drill hole;
C. Placing a left guide plate 1 and a right guide plate 2 in a drilled hole and a V-shaped cutting groove, mixing a static crushing agent and water according to the proportion of 0.25-0.35, stirring to form slurry, pouring the static crushing agent slurry into a front V-shaped cavity 7, a cylindrical cavity 6 and a rear V-shaped cavity 8 formed between the left guide plate 1 and the right guide plate 2, and tamping the static crushing agent slurry by using a wood stick;
D. Wedging a plugging device 9 into the upper ports of the left guide plate 1 and the right guide plate 2, wherein the outer contours of the lower ends of the front V-shaped cylinder 11, the middle arc-shaped cylinder 12 and the rear V-shaped cylinder 13 are correspondingly contacted with the inner contours of the upper ports of the front V-shaped cavity 7, the cylindrical cavity 6 and the rear V-shaped cavity 8, and plugging the upper ports of the drill hole and the V-shaped cutting groove;
E. Inserting a water injector 10 into a guide pipe 18 on an upper cover plate 14 of the plugging device 9, inserting a water injection pipe 17 into the static breaking agent slurry, then injecting warm water of 50-60 ℃ into the water injector 10 to accelerate the reaction, continuously knocking the plugging device 9 downwards in the continuous reaction process of the warm water and the static breaking agent slurry to ensure that the outer side surfaces of the front V-shaped cylinder 11, the middle arc-shaped cylinder 12 and the rear V-shaped cylinder 13 are always in corresponding contact with the inner side walls of the upper ports of the front V-shaped cavity 7, the cylindrical cavity 6 and the rear V-shaped cavity 8, ensuring higher sealing performance and preventing spray holes;
F. The static crushing agent slurry and water are subjected to chemical reaction to expand, and the front side and the rear side of the left guide plate 1 and the right guide plate 2 are expanded outwards, so that the rock, the building or the structure is slowly cracked statically, and after the rock, the building or the structure is subjected to static blasting, the efficient static blasting auxiliary orientation device is taken out and cleaned for blasting of the next drilling hole.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (3)
1. a supplementary orienting device of high-efficient static blasting for big drilling of grooving, its characterized in that: including perpendicular left deflector and the right deflector that sets up and bilateral symmetry set up, left deflector and right deflector are preceding flat board from preceding back in proper order, well arc and back flat board, the relative cylinder chamber that forms about the well arc of left side deflector and right deflector, V die cavity before the dull and stereotyped preceding side contact of left side deflector and right deflector forms, V die cavity after the dull and stereotyped back side contact of left side deflector and right deflector forms, preceding V die cavity, cylinder chamber and back V die cavity link up, preceding V die cavity and back V die cavity are symmetrical around the central line in cylinder chamber, the last port department of left side deflector and right deflector is provided with the plugging device, be provided with V die cavity forward on the plugging device, the water filler of the inside water injection of cylinder chamber and back V die cavity.
2. An efficient static blast assisted directional orientation apparatus for cutting a large bore hole according to claim 1 wherein: the plugging device comprises a front V-shaped cylinder, a middle arc-shaped cylinder and a rear V-shaped cylinder which are sequentially communicated from front to back, an upper cover plate is horizontally arranged at the upper ends of the front V-shaped cylinder, the middle arc-shaped cylinder and the rear V-shaped cylinder, the front V-shaped cylinder and the rear V-shaped cylinder are symmetrically arranged from front to back relative to the central line of the middle arc-shaped cylinder, the V-shaped included angle of the cross section of the front V-shaped cylinder and the rear V-shaped cylinder is gradually increased from bottom to top, the outer diameter of the cross section of the middle arc-shaped cylinder is gradually increased from bottom to top, the outer contours of the lower ends of the front V-shaped cylinder, the middle arc-shaped cylinder and the rear V-shaped cylinder are correspondingly contacted with the inner contours of the upper ends of the front V-shaped cavity, the cylindrical cavity and the rear V-shaped cavity, guide pipes which are vertically corresponding to the front.
3. an efficient static blast assisted directional orientation apparatus for cutting a large bore hole according to claim 2 wherein: the water injector is provided with threely, and every water injector all includes an open container in top, and the container bottom is connected with the water injection pipe, and in the pipe of V type section of thick bamboo, well arc section of thick bamboo and back V type section of thick bamboo department before the water injection pipe correspondence was inserted, the water injection pipe lower extreme stretched into the inside downside of left deflector and right deflector.
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| CN201920470632.2U CN209745138U (en) | 2019-04-09 | 2019-04-09 | efficient static blasting auxiliary orienting device for grooving large drill hole |
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| CN201920470632.2U CN209745138U (en) | 2019-04-09 | 2019-04-09 | efficient static blasting auxiliary orienting device for grooving large drill hole |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827479A (en) * | 2019-04-09 | 2019-05-31 | 吕梁学院 | High efficiency static explosion auxiliary directional device and construction method for the big drilling of grooving |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827479A (en) * | 2019-04-09 | 2019-05-31 | 吕梁学院 | High efficiency static explosion auxiliary directional device and construction method for the big drilling of grooving |
| CN109827479B (en) * | 2019-04-09 | 2024-05-14 | 吕梁学院 | Efficient static blasting auxiliary orientation device for grooving large drilling and construction method |
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