CN114413695A - Static hydraulic blasting device and construction process thereof - Google Patents
Static hydraulic blasting device and construction process thereof Download PDFInfo
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- CN114413695A CN114413695A CN202210084107.3A CN202210084107A CN114413695A CN 114413695 A CN114413695 A CN 114413695A CN 202210084107 A CN202210084107 A CN 202210084107A CN 114413695 A CN114413695 A CN 114413695A
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- 230000003068 static effect Effects 0.000 title claims abstract description 34
- 238000005422 blasting Methods 0.000 title claims abstract description 27
- 238000010276 construction Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000008569 process Effects 0.000 title claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 48
- 239000011435 rock Substances 0.000 claims abstract description 29
- 239000002689 soil Substances 0.000 claims abstract description 28
- 239000003921 oil Substances 0.000 claims description 117
- 230000009471 action Effects 0.000 claims description 9
- 238000005553 drilling Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005336 cracking Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 230000009172 bursting Effects 0.000 claims 7
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mining & Mineral Resources (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a static hydraulic blasting device and a construction process thereof, belonging to the technical field of static hydraulic blasting, and the static hydraulic blasting device comprises a splitting rod main body, wherein the lower end of the splitting rod main body is connected with a hydraulic seat, a hydraulic cavity is arranged in the upper side of the hydraulic seat, an impeller is arranged in the hydraulic cavity, a rock-soil material guide cavity is arranged in the lower side of the hydraulic seat, a connecting shaft is arranged in the rock-soil material guide cavity, and a material conveying drill bit is sleeved at the lower end of the connecting shaft; a guide chute is arranged in the rock-soil guide cavity in the vertical direction relative to the movement of the telescopic piston; the material conveying drill bit comprises a cutter disc, a plurality of material guiding blades are arranged on the cutter disc, and a material conveying groove is formed between every two adjacent material guiding blades, so that rock soil crushed by the material conveying drill bit is discharged from the rock soil discharge channel to the cracks. According to the invention, the structure of the existing hydraulic splitting rod is improved, and the drill bit structure which is driven by the high-pressure oil way and has the directional material guiding function is arranged at the lower end of the splitting rod main body, so that the traditional static hydraulic blasting means which needs layer-by-layer construction can be used for continuous construction, and the construction efficiency and the safety are improved.
Description
Technical Field
The invention relates to the technical field of static hydraulic blasting, in particular to a static hydraulic blasting device and a construction process thereof.
Background
The static blasting construction process of the hydraulic splitting machine used at present comprises the following steps: the hydraulic splitting machine is installed in a drilled hole by lifting the hydraulic splitting machine into the drilled hole through a crane, the hydraulic splitting machine comprises a splitting oil cylinder, the end part of a piston rod of the splitting oil cylinder is connected with a splitting machine head, the splitting oil cylinder is connected with a hydraulic pump station, and the hydraulic splitting machine further comprises handles arranged on the end part and the side wall. After the splitting machine is started, the piston rod which runs longitudinally drives the splitting machine head to generate a transverse splitting force, so that rocks and concrete are split; after the initial splitting, the drilling depth is further extended, and the above steps are repeated to perform the deep splitting, so that the operation steps of the conventional static hydraulic blasting technology are complicated to achieve the deep splitting of the rock mass.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to provide a static hydraulic blasting device and a construction process thereof, which aim to solve the problems in the background technology.
2. Technical scheme
A static hydraulic blasting device comprises a splitting rod main body with a plurality of telescopic pistons, wherein the lower end of the splitting rod main body is connected with a hydraulic seat, a hydraulic cavity is formed in the upper side of the hydraulic seat, an impeller is arranged in the hydraulic cavity, a rock-soil material guide cavity communicated with the bottom surface is formed in the lower side of the hydraulic seat, a connecting shaft is vertically arranged in the rock-soil material guide cavity, the upper end of the connecting shaft penetrates through the top surface in the rock-soil material guide cavity and extends into the hydraulic cavity to be coaxially connected with the impeller, and a material conveying drill bit is sleeved on the lower end of the connecting shaft and extends to the lower part of the connecting shaft;
two guide chutes communicated with the outside are symmetrically formed in the rock-soil guide cavity in the vertical direction relative to the movement of the telescopic piston;
defeated material drill bit include with even axle lower extreme coaxial coupling's blade disc, it is annular equidistant a plurality of guide blades, adjacent two to be equipped with the silo between the guide blade to be equipped with on the blade disc, silo lower extreme and adjacent two the blade constitutes the feeding chamber under the guide blade, silo upper end and adjacent two the blade constitutes the unloading chamber on the guide blade, the unloading chamber constitutes ground discharge passage with ground guide chamber and baffle groove intercommunication.
Preferably, the top surface of the splitting rod main body is respectively provided with a high-pressure oil inlet nozzle and a low-pressure oil inlet nozzle, the side surface of the lower end of the splitting rod main body is provided with a low-pressure oil outlet nozzle communicated through a low-pressure oil path on the same side as the low-pressure oil inlet nozzle, the bottom surface of the splitting rod main body is provided with a high-pressure oil outlet nozzle communicated through a high-pressure oil path on the same side as the high-pressure oil inlet nozzle, and the high-pressure oil outlet nozzle is communicated with an oil inlet hole on the hydraulic seat.
Preferably, the inlet port includes the oil feed portion with the vertical intercommunication of high pressure oil outlet nozzle, oil feed portion lower extreme is that helical structure is equipped with the portion of producing oil that communicates with the hydraulic pressure chamber, causes to jet into the blade through the discharged high-pressure hydraulic oil of portion of producing oil along impeller tangential direction.
Preferably, an oil discharge hole is formed in the hydraulic seat below the oil inlet portion, and an outlet of the oil discharge hole is connected with an oil discharge nozzle.
Preferably, the two guide chutes are arranged in a butterfly structure.
Fillets are formed at the joints of the rock soil material guide cavity and the material guide groove.
The material guide blade is composed of an upper arc plough piece and a lower arc plough piece which are arranged oppositely, and the distance between every two adjacent arc plough pieces positioned on the lower side is smaller than the distance between every two adjacent arc plough pieces positioned on the upper side.
A static hydraulic blasting construction process comprises the following steps,
s1, cleaning a site;
s2, drilling holes on the top surface of the rock mass of the site by using a drilling machine;
s3, placing the static hydraulic blasting device in the hole;
s4, connecting the static hydraulic blasting device with a hydraulic power station;
s5, closing an oil return oil path of the oil discharge nozzle, outputting pressure into the high-pressure oil path through an ultrahigh-pressure oil pump station, driving an oil cylinder by the high-pressure oil to generate a driving force, and pushing a movable piston on the splitting rod main body to move outwards, so that an acting force generated by the piston acts on a split hole wall to form a crack;
s6, cracking the rock in a preset direction under the action of a large force;
s7, outputting pressure into the low-pressure oil way through the ultrahigh-pressure oil pump station to reset the pushed piston;
s8, opening an oil return oil path of the oil discharge nozzle, and outputting pressure to the high-pressure oil path through the ultrahigh-pressure oil pump station, so that high-pressure oil flows through the hydraulic cavity to drive the material conveying drill bit to crush rock masses downwards in the drill hole under the action of fluid resistance, the static hydraulic blasting device extends downwards under the action of gravity, and crushed rock and soil are guided into the cracks.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
1. according to the invention, the structure of the existing hydraulic splitting rod is improved, and the drill bit structure which is driven by the high-pressure oil way and has the directional material guiding function is arranged at the lower end of the splitting rod main body, so that the traditional static hydraulic blasting means which needs layer-by-layer construction can be used for continuous construction, and the construction efficiency and the safety are improved.
2. The invention also provides a power output oil way, under the condition of not depending on an external driving structure, the oil way structure provided by the invention can directly drive the drill bit structure with the directional material guiding function, so that the increase of the production cost and the maintenance cost caused by the complicated structure is avoided, the operation is simplified, and the construction safety is improved.
Drawings
FIG. 1 is a schematic side view of the overall structure of the present invention;
FIG. 2 is another schematic view of the overall structure of the present invention;
FIG. 3 is a schematic diagram of a cross-sectional structure and a connection structure of the hydraulic seat according to the present invention;
FIG. 4 is a schematic cross-sectional view of a hydraulic seat according to the present invention;
FIG. 5 is a schematic view of a drill bit for transporting materials according to the present invention;
the reference numbers in the figures illustrate: 1. splitting the rod body; 2. a hydraulic seat; 3. a hydraulic chamber; 4. an impeller; 5. a rock soil material guide cavity; 6. a connecting shaft; 7. a material conveying drill bit; 8. a material guide chute; 9. a cutter head; 10. a material guiding blade; 11. a material conveying groove; 12. a high pressure oil inlet nozzle; 13. a low pressure oil inlet nozzle; 14. a low-pressure oil outlet nozzle; 15. an oil inlet hole; 16. an oil discharge nozzle; 17. and (4) rounding.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-5, the present invention provides a technical solution:
a static hydraulic blasting device comprises a splitting rod main body 1 with a plurality of telescopic pistons, wherein the lower end of the splitting rod main body 1 is connected with a hydraulic seat 2, a hydraulic cavity 3 is formed in the upper side of the hydraulic seat 2, an impeller 4 is arranged in the hydraulic cavity 3, a rock-soil material guide cavity 5 communicated with the bottom surface is formed in the lower side of the hydraulic seat 2, a connecting shaft 6 is vertically arranged in the rock-soil material guide cavity 5, the upper end of the connecting shaft 6 penetrates through the inner top surface of the rock-soil material guide cavity 5 and extends into the hydraulic cavity 3 to be coaxially connected with the impeller 4, and a material conveying drill bit 7 is sleeved at the lower end of the connecting shaft 6 and extends to the lower part;
two guide chutes 8 communicated with the outside are symmetrically formed in the rock-soil guide cavity 5 in the vertical direction relative to the movement of the telescopic piston;
defeated material drill bit 7 includes the blade disc 9 with even 6 lower extreme coaxial coupling of axle, is annular equidistant a plurality of guide blades 10 that are equipped with on the blade disc 9, is equipped with defeated silo 11 between two adjacent guide blades 10, and defeated silo 11 lower extreme constitutes the feeding chamber with two adjacent guide blades 10 lower blade, and defeated silo 11 upper end constitutes the unloading chamber with two adjacent guide blades 10 upper blade, and the unloading chamber constitutes ground discharge channel with ground guide chamber 5 and the intercommunication of baffle box 8. According to the invention, the structure of the existing hydraulic splitting rod is improved, and the drill bit structure which is driven by a high-pressure oil way and has a directional material guiding function is arranged at the lower end of the splitting rod main body 1, so that the traditional static hydraulic blasting means which needs layer-by-layer construction can be used for continuous construction, and the construction efficiency and safety are improved.
Specifically, the top surface of the splitting rod main body 1 is provided with a high-pressure oil inlet nozzle 12 and a low-pressure oil inlet nozzle 13 respectively, the side surface of the lower end of the splitting rod main body 1 is provided with a low-pressure oil outlet nozzle 14 communicated through a low-pressure oil path on the same side as the low-pressure oil inlet nozzle 13, the bottom surface of the splitting rod main body 1 is provided with a high-pressure oil outlet nozzle communicated through a high-pressure oil path on the same side as the high-pressure oil inlet nozzle 12, and the high-pressure oil outlet nozzle is communicated with an oil inlet hole 15 on the hydraulic seat 2.
Further, inlet port 15 includes the oil feed portion with the vertical intercommunication of high pressure oil outlet nozzle, and oil feed portion lower extreme is that helical structure is equipped with the portion of producing oil that communicates with hydraulic pressure chamber 3, causes and jets into the blade through the discharged high-pressure hydraulic oil of portion of producing oil along 4 tangential directions of impeller. The invention also provides a power output oil way, under the condition of not depending on an external driving structure, the oil way structure provided by the invention can directly drive the drill bit structure with the directional material guiding function, so that the increase of the production cost and the maintenance cost caused by the complicated structure is avoided, the operation is simplified, and the construction safety is improved.
Still further, an oil discharge hole is formed in the hydraulic seat 2 and located below the oil inlet portion, and an oil discharge nozzle 16 is connected to an outlet of the oil discharge hole.
Furthermore, the two material guiding grooves 8 are arranged in a butterfly structure. The butterfly-shaped structure is favorable for avoiding the rigid extrusion of the broken rock soil to the structure.
It is worth to be noted that rounded corners 17 are formed at the joints of the rock soil material guiding cavity 5 and the material guiding groove 8. The setting of fillet 17 is favorable to exporting broken ground to guide chute 8 direction.
It should be noted that the material guiding blade 10 is composed of an upper circular-arc plough blade and a lower circular-arc plough blade which are oppositely arranged, and the distance between two adjacent circular-arc plough blades positioned on the lower side is smaller than the distance between two adjacent circular-arc plough blades positioned on the upper side. Through the arrangement, the upward pressure of the crushed rock soil between the blades is reduced, and the downward pressure is increased, so that the crushed rock soil is flushed into the rock soil material guide cavity 5 from the material conveying groove 11 until the crushed rock soil is scattered into cracks from the inside of the rock soil material discharge channel.
In addition, the static hydraulic blasting construction process comprises the following steps,
s1, cleaning a site;
s2, drilling holes on the top surface of the rock mass of the site by using a drilling machine;
s3, placing a static hydraulic blasting device in the hole;
s4, connecting the static hydraulic blasting device with a hydraulic power station;
s5, closing an oil return oil path of the oil discharge nozzle 16, outputting pressure into the high-pressure oil path through the ultrahigh-pressure oil pump station, driving the oil cylinder by the high-pressure oil to generate a driving force, and driving the movable piston on the splitting rod main body 1 to move outwards, so that an acting force generated by the piston acts on the split hole wall to form a crack;
s6, cracking the rock in a preset direction under the action of a large force;
s7, outputting pressure into the low-pressure oil way through the ultrahigh-pressure oil pump station to reset the pushed piston;
s8, opening the oil return oil path of the oil discharge nozzle 16, outputting pressure into the high-pressure oil path through the ultrahigh-pressure oil pump station, so that high-pressure oil flows through the hydraulic cavity 3 to drive the material conveying drill bit 7 to crush rock masses downwards in the drill hole under the action of fluid resistance, the static hydraulic blasting device extends downwards under the action of gravity, and the crushed rock masses are guided into the cracks.
The present invention relates to circuits and electronic components and modules all of which are known in the art and are fully implemented by those skilled in the art, and it is not necessary to state that the invention is intended to be limited to such modifications as are suited to the particular use contemplated.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A static hydraulic bursting device comprising a split rod body (1) with a plurality of telescopic pistons, characterised in that: the splitting rod is characterized in that the lower end of the splitting rod main body (1) is connected with a hydraulic seat (2), a hydraulic cavity (3) is formed in the upper side of the hydraulic seat (2), an impeller (4) is arranged in the hydraulic cavity (3), a rock and soil guide cavity (5) communicated with the bottom surface is formed in the lower side of the hydraulic seat (2), a connecting shaft (6) is vertically arranged in the rock and soil guide cavity (5), the upper end of the connecting shaft (6) penetrates through the inner top surface of the rock and soil guide cavity (5) and extends into the hydraulic cavity (3) to be coaxially connected with the impeller (4), and a material conveying drill bit (7) is sleeved on the lower end of the connecting shaft (6) in a manner of extending to the lower part;
two guide chutes (8) communicated with the outside are symmetrically formed in the rock-soil guide cavity (5) in the vertical direction relative to the motion of the telescopic piston;
defeated material drill bit (7) include with link axle (6) lower extreme coaxial coupling's blade disc (9), it is annular equidistant to be equipped with a plurality of guide blades (10), adjacent two to be equipped with between guide blade (10) defeated silo (11), defeated silo (11) lower extreme and adjacent two blade constitutes the feeding chamber under guide blade (10), defeated silo (11) upper end and adjacent two blade constitutes the unloading chamber on guide blade (10), the unloading chamber constitutes ground row material passageway with ground guide chamber (5) and baffle box (8) intercommunication.
2. A static hydraulic bursting device as claimed in claim 1 wherein: the splitting rod is characterized in that a high-pressure oil inlet nozzle (12) and a low-pressure oil inlet nozzle (13) are respectively arranged on the top surface of the splitting rod main body (1), a low-pressure oil outlet nozzle (14) communicated through a low-pressure oil way is arranged on the side surface of the lower end of the splitting rod main body (1) and on the same side of the low-pressure oil inlet nozzle (13), a high-pressure oil outlet nozzle communicated through a high-pressure oil way is arranged on the bottom surface of the splitting rod main body (1) and on the same side of the high-pressure oil inlet nozzle (12), and the high-pressure oil outlet nozzle is communicated with an oil inlet hole (15) on a hydraulic seat (2).
3. A static hydraulic bursting device as claimed in claim 2 wherein: the oil inlet hole (15) includes the oil feed portion with the vertical intercommunication of high pressure oil outlet nozzle, oil feed portion lower extreme is that helical structure is equipped with the portion of producing oil that communicates with hydraulic pressure chamber (3), causes in the blade is penetrated to impeller (4) tangential direction through the portion exhaust high-pressure hydraulic oil of producing oil.
4. A static hydraulic bursting device as claimed in claim 3 wherein: an oil discharge hole is formed in the hydraulic seat (2) and located below the oil inlet portion, and an oil discharge nozzle (16) is connected to an outlet of the oil discharge hole.
5. A static hydraulic bursting device as claimed in claim 1 wherein: the two guide chutes (8) are arranged in a butterfly structure.
6. A static hydraulic bursting device as claimed in claim 1 wherein: fillets (17) are arranged at the joints of the rock soil material guide cavity (5) and the material guide groove (8).
7. A static hydraulic bursting device as claimed in claim 1 wherein: the material guiding blade (10) is composed of an upper arc plough piece and a lower arc plough piece which are oppositely arranged, and the distance between every two adjacent arc plough pieces positioned on the lower side is smaller than the distance between every two adjacent arc plough pieces positioned on the upper side.
8. The static hydraulic blasting construction process according to any one of claims 1-7, wherein: comprises the following steps of (a) carrying out,
s1, cleaning a site;
s2, drilling holes on the top surface of the rock mass of the site by using a drilling machine;
s3, placing the static hydraulic blasting device in the hole;
s4, connecting the static hydraulic blasting device with a hydraulic power station;
s5, closing an oil return oil path of the oil discharge nozzle (16), outputting pressure into the high-pressure oil path through an ultrahigh-pressure oil pump station, driving an oil cylinder by the high-pressure oil to generate a driving force, and driving a movable piston on the splitting rod main body (1) to move outwards, so that the acting force generated by the piston acts on the split hole wall to form a crack;
s6, cracking the rock in a preset direction under the action of a large force;
s7, outputting pressure into the low-pressure oil way through the ultrahigh-pressure oil pump station to reset the pushed piston;
s8, opening an oil return oil way of the oil discharge nozzle (16), and outputting pressure into the high-pressure oil way through the ultrahigh-pressure oil pump station, so that high-pressure oil flows through the hydraulic cavity (3) to drive the material conveying drill bit (7) to crush rock masses downwards in the drill hole under the action of fluid resistance, and the static hydraulic blasting device extends downwards under the action of gravity to guide the crushed rock masses into the cracks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210084107.3A CN114413695B (en) | 2022-01-20 | 2022-01-20 | Static hydraulic blasting device and construction process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210084107.3A CN114413695B (en) | 2022-01-20 | 2022-01-20 | Static hydraulic blasting device and construction process thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN114413695A true CN114413695A (en) | 2022-04-29 |
| CN114413695B CN114413695B (en) | 2024-03-15 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114413695B (en) | 2024-03-15 |
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