CN110005357B - Vibration anti-sticking hole anti-reflection device and vibration anti-sticking hole anti-reflection method thereof - Google Patents
Vibration anti-sticking hole anti-reflection device and vibration anti-sticking hole anti-reflection method thereof Download PDFInfo
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- CN110005357B CN110005357B CN201910296119.0A CN201910296119A CN110005357B CN 110005357 B CN110005357 B CN 110005357B CN 201910296119 A CN201910296119 A CN 201910296119A CN 110005357 B CN110005357 B CN 110005357B
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- 238000001028 reflection method Methods 0.000 title description 3
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- RRLHMJHRFMHVNM-BQVXCWBNSA-N [(2s,3r,6r)-6-[5-[5-hydroxy-3-(4-hydroxyphenyl)-4-oxochromen-7-yl]oxypentoxy]-2-methyl-3,6-dihydro-2h-pyran-3-yl] acetate Chemical compound C1=C[C@@H](OC(C)=O)[C@H](C)O[C@H]1OCCCCCOC1=CC(O)=C2C(=O)C(C=3C=CC(O)=CC=3)=COC2=C1 RRLHMJHRFMHVNM-BQVXCWBNSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000002817 coal dust Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
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- 230000000903 blocking effect Effects 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 208000013201 Stress fracture Diseases 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
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- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000011160 research Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B28/00—Vibration generating arrangements for boreholes or wells, e.g. for stimulating production
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/005—Fishing for or freeing objects in boreholes or wells using vibrating or oscillating means
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/107—Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
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Abstract
The invention discloses a vibration anti-reflection device for an anti-jamming hole, which comprises a vibration anti-reflection unit and an anti-jamming hole rotation crushing unit, wherein the vibration anti-reflection unit is arranged on the anti-jamming hole rotation crushing unit; the vibration anti-reflection unit comprises a cylinder body, a piston cavity and a crankshaft transmission cavity; the crankshaft transmission cavity is internally provided with a motor and a crankshaft, and a first ratchet mechanism is arranged between the motor and the crankshaft; a piston vibration unit is arranged in the piston cavity, the anti-blocking hole rotary crushing unit comprises a hollow cone, a spiral cutter is arranged on the outer surface of the hollow cone, and a second ratchet mechanism is arranged in the hollow cavity of the hollow cone; the electric motor includes a first output shaft and a second output shaft. The invention also provides a vibration anti-reflection anti-blocking hole method of the device. The vibration permeability increasing device for the anti-blocking hole can provide vibration with different frequencies according to the geological characteristics of the reservoir stratum, provide continuous vibration energy in the development process of the coal bed gas and strengthen the production of the coal bed gas from the double effects of vibration disturbance and fracturing.
Description
Technical Field
The invention belongs to the technical field of coal bed gas development, and particularly relates to a hole-blocking-preventing vibration anti-reflection device and a hole-blocking-preventing vibration anti-reflection method thereof.
Background
In the field of coal bed gas development or gas extraction, the permeability of a coal reservoir is low, and the traditional hydraulic fracturing technology cannot completely meet the requirement of improving the yield of a single well. Dynamic load modified coal reservoir can form more micro-fracture networks to promote methane gas desorption. Mechanical vibration is a mode of action of dynamic loads.
At present, the technology for modifying a coal reservoir by mechanical vibration is still in an indoor research stage, and the desorption rate of coal bed methane is found to increase along with the increase of the vibration frequency. However, the mechanical vibration stimulation technology still lacks equipment and a scheme suitable for drilling coal bed gas or gas extraction holes. The invention provides a device design sample plate for industrial application of a mechanical vibration production increasing technology, and has the characteristics of simple structure, large vibration amplitude and prevention of hole blockage of equipment.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a vibration anti-sticking device and a vibration anti-sticking method thereof for preventing sticking of holes, aiming at the defects of the prior art. The vibration permeability increasing device for the anti-blocking hole can provide vibration with different frequencies according to geological characteristics of a reservoir stratum, provides continuous vibration energy in the development process of the coal bed gas, and enhances the production of the coal bed gas through vibration disturbance and fracturing double effects.
In order to solve the technical problems, the invention adopts the technical scheme that: the vibration anti-blocking device is characterized by comprising a vibration anti-blocking unit and an anti-blocking hole rotary crushing unit connected with the vibration anti-blocking unit;
the vibration anti-reflection unit comprises a cylinder body, and a piston cavity and a crankshaft transmission cavity communicated with the piston cavity are arranged in the cylinder body; the crankshaft transmission cavity is internally provided with an electric motor and a crankshaft with an eccentric part, and a first ratchet mechanism for connecting the electric motor and the crankshaft is arranged between the electric motor and the crankshaft; a piston vibration unit which is rotationally connected with the eccentric part of the crankshaft is arranged in the piston cavity;
the anti-blocking hole rotary crushing unit comprises a hollow cone, a spiral cutter is arranged on the outer surface of the hollow cone, and a second ratchet mechanism for driving the hollow cone to rotate is arranged in the hollow cavity of the hollow cone;
the motor comprises a first output shaft connected with the first ratchet mechanism and a second output shaft connected with the second ratchet mechanism.
The vibration anti-reflection device for the anti-blocking hole is characterized in that a clamping groove is formed in a cylinder opening of the cylinder body, one end, far away from the tip, of the hollow cone is rotatably connected with the cylinder body through the clamping groove, and the tip of the hollow cone extends towards one end, far away from the cylinder body.
The vibration anti-reflection device for the anti-blocking hole is characterized in that the first ratchet mechanism comprises a first ratchet wheel and a first rotary disc which is concentrically arranged with the first ratchet wheel, the first rotary disc is sleeved on a first output shaft and can synchronously rotate along with the first output shaft, the first ratchet wheel is sleeved on a crankshaft and is fixedly connected with the crankshaft, a first pawl is hinged to the first rotary disc, first inner teeth meshed with the movable end of the first pawl are arranged on the first ratchet wheel, and the tooth form of the first inner teeth is an asymmetric tooth form.
The vibration anti-reflection device for the anti-blocking hole is characterized in that the first pawl is hinged to the first rotary table through a hinged shaft, a return spring used for embedding the first pawl into first inner teeth is further arranged on the hinged shaft, one end of the return spring is fixedly connected with the first rotary table, and the other end of the return spring is fixedly connected with the first pawl.
The vibration anti-reflection device for the anti-blocking hole is characterized in that the crankshaft is further connected with a first fan used for blowing air into the crankshaft transmission cavity, and the first fan is located at one end, far away from the hollow cone, of the crankshaft transmission cavity.
The vibration anti-reflection device for the anti-blocking hole is characterized in that the piston vibration unit comprises a piston and a hammer movably arranged in a piston cavity, the piston comprises a piston rod and a head, the piston rod is rotatably sleeved on an eccentric portion of a crankshaft, and an air spring is defined by the head of the piston, the piston cavity and the hammer.
The vibration anti-reflection device for the anti-blocking hole is characterized in that one surface of the ram, which is close to the inner wall of the cylinder body, is a curved surface; the piston vibration unit is a plurality of, and every piston vibration unit sets up in corresponding piston chamber.
The vibration anti-reflection device for the anti-blocking hole is characterized in that the second ratchet mechanism comprises a second rotary table and second inner teeth which are fixed on the hollow cavity and can drive the hollow cone to rotate, the second rotary table is sleeved on the second output shaft and can synchronously rotate along with the second output shaft, a second pawl is hinged to the second rotary table and meshed with the second inner teeth, and the tooth profile of the second inner teeth is an asymmetric tooth profile.
The vibration anti-reflection device for the anti-blocking hole is characterized in that an air exhaust hole is formed in the hollow cone, an orifice on the outer wall surface of the hollow cone is far away from the tip of the hollow cone, and the air exhaust hole is located on the hollow cavity and close to the tip of the hollow cone; and a second fan used for blowing air into the hollow cavity is also arranged in the hollow cavity, and the second fan is positioned at one end, far away from the cylinder body, in the hollow cavity.
In addition, the invention also provides a vibration anti-reflection anti-sticking hole method of the device, which is characterized by comprising the following steps:
the tip of a hollow cone of the vibration permeability-increasing device of the anti-sticking hole is close to the hole opening on the coal storage layer; when the motor drives the first output shaft and the second output shaft to rotate anticlockwise, the second output shaft drives a second ratchet mechanism, the second ratchet mechanism drives the hollow cone to rotate, the spiral cutter rotates to crush the obstacles in the hole, and the hollow cone drives the spiral cutter to rotate to penetrate into the obstacles; the first output shaft rotates anticlockwise and does not drive the crankshaft to rotate;
the motor drives the first output shaft and the second output shaft to rotate clockwise, the first output shaft drives the first ratchet mechanism, the first ratchet mechanism drives the crankshaft to rotate, the crankshaft rotates to drive the piston vibration unit to vibrate, the piston vibration unit vibrates to form mechanical vibration waves, the mechanical vibration waves act on obstacles in the hole, and the obstacles in the hole are loosened; the second output shaft rotates clockwise without the hollow cone rotating.
Compared with the prior art, the invention has the following advantages:
1. according to the vibration permeability increasing device for the anti-blocking hole, the motor, the crankshaft, the piston vibration unit, the first ratchet mechanism and the second ratchet mechanism are arranged to achieve coal bed crushing and vibration permeability increasing of the device, vibration with different frequencies can be provided according to reservoir geological characteristics, continuous vibration energy is provided in the coal bed gas development process, and coal bed gas output is enhanced through vibration disturbance and cracking double effects.
2. The vibration permeability-increasing device for the anti-blocking hole can solve the field application problem of the vibration permeability-increasing technology, continuous mechanical vibration waves can be formed by driving the crankshaft to rotate through the motor and injected into a coal bed, the output shaft of the motor rotates in the positive direction to generate vibration, the output shaft of the motor rotates in the reverse direction to drive the cone to rotate to break coal blocks, the air exhaust hole blows and disperses coal scraps, and the combination of the vibration wave and the air exhaust hole can further prevent the device from blocking the hole.
3. The external structure of the vibration permeability-increasing device for the anti-blocking hole is a cylinder body and a hollow cone which are rotatably connected, preferably, the cylinder body is in a cylindrical shape with a smooth and flat surface and can be tightly attached to the hole wall of the hole in the coal storage layer to prevent the vibration energy from being excessively attenuated before entering the coal storage layer, a piston cavity and a crankshaft transmission cavity are arranged in the cylinder body to provide a space for mechanical vibration, and the tip of the cone body and the spiral cutter can break coal briquettes through rotation.
The technical solution of the present invention is further described in detail with reference to the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural view of an anti-chucking hole vibration anti-reflection device according to the present invention;
FIG. 2 is a schematic structural diagram of a piston vibration unit according to the present invention;
FIG. 3 is a schematic structural diagram of a first ratchet mechanism according to the present invention;
FIG. 4 is a schematic structural diagram of a second ratchet mechanism according to the present invention;
FIG. 5 is a schematic view of the outer wall structure of the hollow cone of the present invention.
Description of the reference numerals
1, a cylinder body; 1-a piston cavity; 1-2-crankshaft transmission cavity;
2-a hollow cone; 2-1-card slot; 2-hollow cavity;
2-3-air exhaust holes; 2-4-second internal teeth; 2-5-spiral cutter;
3-crankshaft; 4, a piston; 4-1-bearing;
5, a hammer; 6, an air spring; 7-an electric motor;
7-1 — a first output shaft; 7-2 — a second output shaft; 8-a first ratchet;
8-1 — first internal teeth; 9-a first turntable; 9-1 — a first pawl;
10-a second turntable; 10-1 — a second pawl; 11 — a first fan;
12 — a second fan.
Detailed Description
As shown in fig. 1 and 5, the vibration anti-blocking hole anti-reflection device of the present invention includes a vibration anti-reflection unit and an anti-blocking hole rotation crushing unit connected to the vibration anti-reflection unit;
the vibration anti-reflection unit comprises a cylinder body 1, and a piston cavity 1-1 and a crankshaft transmission cavity 1-2 communicated with the piston cavity 1-1 are arranged in the cylinder body 1; a motor 7 and a crankshaft 3 with an eccentric part are arranged in the crankshaft transmission cavity 1-2, and a first ratchet mechanism for connecting the motor 7 and the crankshaft 3 is arranged between the motor 7 and the crankshaft 3; a piston vibration unit which is rotationally connected with the eccentric part of the crankshaft 3 is arranged in the piston cavity 1-1;
the anti-blocking hole rotary crushing unit comprises a hollow cone 2, a spiral cutter 2-5 is arranged on the outer surface of the hollow cone 2, and a second ratchet mechanism for driving the hollow cone 2 to rotate is arranged in the hollow cavity 2-2 of the hollow cone 2;
the spiral cutter 2-5 is used for crushing, and the hollow cone 2 rotates to prevent the occurrence of hole blocking.
The motor 7 comprises a first output shaft 7-1 connected with the first ratchet mechanism and a second output shaft 7-2 connected with the second ratchet mechanism.
In this embodiment, the cylinder body 1 is preferably a cylinder body with a smooth outer wall. The crankshaft transmission cavity 1-2 is arranged along the axial direction of the cylinder body 1; the motor 7 is fixed in the crankshaft transmission cavity 1-2, the motor 7 is a bidirectional output shaft type motor, a first output shaft 7-1 of the motor 7 extends towards one end far away from the hollow cone 2 along the axial direction of the cylinder body 1, and a second output shaft 7-2 of the motor 7 extends towards one end close to the hollow cone 2 along the axial direction of the hollow cone 2-2.
In this embodiment, as shown in fig. 1 and 4, a clamping groove 2-1 is arranged in and around a cylinder opening of the cylinder body 1, one end of the hollow cone 2, which is far away from the tip, is rotatably connected with the cylinder body 1 through the clamping groove 2-1, and the tip of the hollow cone 2 extends to one end, which is far away from the cylinder body 1. The hollow cone 2 comprises a bottom surface and a tip end, the hollow cavity 2-2 is communicated with the bottom surface, and the hollow cavity 2-2 is not communicated with the tip end.
In this embodiment, as shown in fig. 1 and 3, the first ratchet mechanism includes a first ratchet wheel 8 and a first rotating disk 9 concentrically disposed with the first ratchet wheel 8, the first rotating disk 9 is sleeved on a first output shaft 7-1 and can synchronously rotate with the first output shaft 7-1, the first ratchet wheel 8 is sleeved on the crankshaft 3 and is fixedly connected with the crankshaft 3, a first pawl 9-1 is hinged to the first rotating disk 9, a first inner tooth 8-1 engaged with a movable end of the first pawl 9-1 is disposed on the first ratchet wheel 8, and a tooth profile of the first inner tooth 8-1 is an asymmetric tooth profile. When the first output shaft 7-1 of the motor 7 rotates clockwise, the first rotating disc 9 and the first pawl 9-1 drive the first ratchet wheel 8 and the crankshaft 3 to rotate; when the first output shaft 7-1 of the motor 7 rotates anticlockwise, the first pawl 9-1 cannot be toothed on the first internal tooth 8-1 of the first ratchet wheel 8, and the crankshaft 3 does not rotate;
in this embodiment, the first pawl 9-1 is hinged to the first rotary disc 9 through a hinge shaft, a return spring for embedding the first pawl 9-1 into the first internal tooth 8-1 is further disposed on the hinge shaft, one end of the return spring is fixedly connected to the first rotary disc 9, and the other end of the return spring is fixedly connected to the first pawl 9-1. The first pawl 9-1 is arranged on the edge of the first rotating disc 9, and the return spring on the hinged shaft can ensure that the first pawl 9-1 is reset and embedded into the first inner tooth 8-1 in real time.
In this embodiment, as shown in fig. 1, the crankshaft 3 is further connected with a first fan 11 for blowing air into the crankshaft transmission cavity 1-2, and the first fan 11 is located at one end of the crankshaft transmission cavity 1-2 far away from the hollow cone 2. The first fan 11 is disposed at the rear end of the crankshaft 3, and the motor 7 rotates clockwise to drive the first fan 11 to blow air.
In the present embodiment, as shown in fig. 1 and 2, the piston vibration unit includes a piston 4 and a hammer 5 movably disposed in a piston chamber 1-1; the piston 4 comprises a piston rod and a head, the piston rod is rotatably sleeved on the eccentric part of the crankshaft 3, and an air spring 6 is defined by the head of the piston 4, the piston cavity 1-1 and the ram 5. The air spring 6 is composed of a space formed by the head of the piston 4, the piston cavity 1-1 and the hammer 5 and compressed air in the space, and the compressed air is used for realizing the elastic action; the crankshaft 3 drives the piston 4 to enable the piston 4 to stretch and retract, and when the piston 4 moves towards the piston cavity 1-1, compressed air enables the hammer 5 to move towards the cylinder body 1 and finally impact; when the piston 4 moves towards the outside of the piston cavity 1-1, the air spring 6 drives the ram 5 to be far away from the inner wall of the cylinder body 1, and therefore one-time mechanical vibration is completed. The reciprocating circulation can form mechanical vibration with certain frequency. By varying the rotational speed of the motor 7, the mechanical vibration frequency can be varied.
Preferably, a bearing 4-1 is arranged between the piston rod and the eccentric part of the crankshaft 3, the piston rod is fixed on the outer ring of the bearing 4-1, and the inner ring of the bearing 4-1 is sleeved on the eccentric part of the crankshaft 3. Three pistons are connected to each bearing 4-1.
In this embodiment, as shown in fig. 2, one surface of the ram 5 close to the inner wall of the cylinder 1 is a curved surface; the number of the piston vibration units is multiple, and each piston vibration unit is arranged in the corresponding piston cavity 1-1. The surface of the ram 5 close to the inner wall of the cylinder body 1 is a curved surface, the curvature of the curved surface is consistent with that of the outer wall surface of the cylinder body, and the surface of the ram 5 in contact with the cylinder body 1 is of a curved surface structure, so that vibration waves generated by impact are transmitted vertical to the wall of the cylinder body, and the damage caused by energy reflection is reduced. The number of the piston vibration units is multiple, and the piston vibration units can be determined according to the power of the motor 7 and the length of the cylinder body 1 so as to adapt to the vibration radiation area.
In this embodiment, as shown in fig. 1 and 4, the second ratchet mechanism includes a second rotating disk 10 and second internal teeth 2-4 fixed on the hollow cavity 2-2 and capable of driving the hollow cone 2 to rotate, the second rotating disk 10 is sleeved on the second output shaft 7-2 and capable of synchronously rotating with the second output shaft 7-2, a second pawl 10-1 is hinged on the second rotating disk 10, the second pawl 10-1 is engaged with the second internal teeth 2-4, and the tooth profile of the second internal teeth 2-4 is an asymmetric tooth profile; when a second output shaft 7-2 of the motor 7 rotates anticlockwise, the second rotary disc 10 and the second pawl 10-1 drive the second inner teeth 2-4 and the hollow cone 2 to rotate; when the second output shaft 7-2 of the motor 7 rotates clockwise, the second pawl 10-1 cannot be toothed on the second internal teeth 2-4, and the hollow cone 2 does not rotate.
Preferably, the second internal teeth 2-4 are formed by turning the inner wall of the hollow cone 2 along the open end of the hollow cavity 2-2 in the ring.
In this embodiment, as shown in fig. 1 and 5, an air exhaust hole 2-3 is formed in the hollow cone 2, the hollow cavity 2-2 is communicated with the outside through the air exhaust hole 2-3 formed in the hollow cone 2, the air exhaust hole 2-3 is a cylindrical through hole, the air exhaust hole 2-3 is located in an opening on an outer wall surface of the hollow cone 2 and is far away from a tip of the hollow cone 2, and the air exhaust hole 2-3 is located in an opening of the hollow cavity 2-2 and is close to the tip of the hollow cone 2; a second fan 12 for blowing air into the hollow cavity 2-2 is further arranged in the hollow cavity 2-2, and the second fan 12 is located at one end, far away from the cylinder body 1, in the hollow cavity 2-2. The inclined direction of the exhaust hole 2-3 is consistent with the direction of the conical surface, and the exhaust hole is used for communicating the inside with the outside, not only playing a role in internal heat dissipation, but also blowing away coal dust on the surface of equipment. The exhaust holes 2-3 are multiple, and the exhaust holes 2-3 are arranged between the adjacent spirals of the spiral cutters 2-5. The second fan 12 rotates synchronously with the hollow cone 2.
The vibration anti-reflection anti-blocking hole method of the vibration anti-reflection device for the anti-blocking hole comprises the following steps:
the tip of a hollow cone 2 of the vibration permeability-increasing device of the anti-sticking hole is close to an orifice on a coal storage layer;
when the motor 7 drives the first output shaft 7-1 and the second output shaft 7-2 to rotate anticlockwise, the second output shaft 7-2 drives the second turntable 10, the second turntable 10 drives the second pawl 10-1, the second pawl 10-1 drives the second inner teeth 2-4 and the hollow cone 2 to rotate, the spiral cutter 2-5 rotates to crush obstacles in the cutting hole, and the obstacles comprise accumulated coal blocks or coal dust; the hollow cone 2 drives the second fan 12 to blow air into the hollow cavity 2-2, so that heat of the hollow cavity 2-2 is taken away, and coal dust on the surface of the hollow cone 2 is blown away; the hollow cone 2 drives the spiral cutter 2-5 to rotate and penetrate into the barrier;
when the first output shaft 7-1 of the motor 7 rotates anticlockwise, the first pawl 9-1 cannot be toothed on the first internal tooth 8-1, and the first ratchet wheel 8, the crankshaft 3 and the first fan 11 do not rotate;
the motor 7 drives the first output shaft 7-1 and the second output shaft 7-2 to rotate clockwise, the first output shaft 7-1 drives the first rotating disc 9, the first rotating disc 9 drives the first pawl 9-1, the first pawl 9-1 drives the first ratchet wheel 8 and the crankshaft 3 to rotate, the crankshaft 3 drives the piston 4, when the piston 4 moves towards the piston cavity 1-1, air is compressed, and the hammer 5 moves towards the cylinder body 1 and impacts; when the piston 4 moves towards the outside of the piston cavity 1-1, the air spring 6 drives the ram 5 to be far away from the inner wall of the cylinder body 1 to form mechanical vibration waves, and the mechanical vibration waves act on the obstacles in the hole, so that the obstacles in the hole are loosened; the crankshaft 3 rotates to drive the first fan 11 to blow air into the crankshaft transmission cavity 1-2, and the vibration heat is discharged from the air exhaust holes 2-3;
when the second output shaft 7-2 of the motor 7 rotates clockwise, the second pawl 10-1 cannot be toothed on the second internal teeth 2-4, and the hollow cone 2 and the second fan 12 do not rotate.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. The vibration anti-blocking device is characterized by comprising a vibration anti-blocking unit and an anti-blocking hole rotary crushing unit connected with the vibration anti-blocking unit;
the vibration anti-reflection unit comprises a cylinder body (1), wherein a piston cavity (1-1) and a crankshaft transmission cavity (1-2) communicated with the piston cavity (1-1) are arranged in the cylinder body (1); a motor (7) and a crankshaft (3) with an eccentric part are arranged in the crankshaft transmission cavity (1-2), and a first ratchet mechanism for connecting the motor (7) and the crankshaft (3) is arranged between the motor (7) and the crankshaft (3); a piston vibration unit which is rotationally connected with an eccentric part of the crankshaft (3) is arranged in the piston cavity (1-1);
the anti-blocking hole rotary crushing unit comprises a hollow cone (2), a spiral cutter (2-5) is arranged on the outer surface of the hollow cone (2), and a second ratchet mechanism for driving the hollow cone (2) to rotate is arranged in the hollow cavity (2-2) of the hollow cone (2);
the motor (7) comprises a first output shaft (7-1) connected with the first ratchet mechanism and a second output shaft (7-2) connected with the second ratchet mechanism.
2. The hole-blockage-preventing vibration anti-reflection device according to claim 1, wherein the hollow cone (2) comprises a bottom surface and a tip end, the hollow cavity (2-2) is communicated with the bottom surface, a clamping groove (2-1) is formed in a cylinder opening of the cylinder body (1), a part of the hollow cone (2) close to the bottom surface is rotatably connected to the clamping groove (2-1), and the tip end of the hollow cone (2) extends to one end far away from the cylinder body (1).
3. The hole-blockage-preventing vibration anti-reflection device according to claim 1, wherein the first ratchet mechanism comprises a first ratchet wheel (8) and a first rotating disc (9) concentrically arranged with the first ratchet wheel (8), the first rotating disc (9) is sleeved on a first output shaft (7-1) and can synchronously rotate along with the first output shaft (7-1), the first ratchet wheel (8) is sleeved on a crankshaft (3) and is fixedly connected with the crankshaft (3), a first pawl (9-1) is hinged on the first rotating disc (9), first inner teeth (8-1) meshed with a movable end of the first pawl (9-1) are arranged on the first ratchet wheel (8), and the tooth form of the first inner teeth (8-1) is an asymmetric tooth form.
4. The hole-blockage-preventing vibration anti-reflection device according to claim 3, wherein the first pawl (9-1) is hinged to the first rotary disc (9) through a hinged shaft, a return spring for embedding the first pawl (9-1) into the first internal teeth (8-1) is further arranged on the hinged shaft, one end of the return spring is fixedly connected with the first rotary disc (9), and the other end of the return spring is fixedly connected with the first pawl (9-1).
5. The hole-blockage-preventing vibration anti-reflection device according to claim 1, wherein a first fan (11) for blowing air into the crankshaft transmission cavity (1-2) is further connected to the crankshaft (3), and the first fan (11) is located at one end, far away from the hollow cone (2), in the crankshaft transmission cavity (1-2).
6. The anti-sticking hole's vibration anti-reflection device of claim 1, characterized in that, the piston vibration unit includes piston (4) and the ram (5) of activity setting in piston chamber (1-1), piston (4) includes the piston rod and the head, the eccentric portion of crankshaft (3) is located to the piston rod rotation cover, the head of piston (4) and piston chamber (1-1) and ram (5) define air spring (6).
7. The hole-blockage-preventing vibration anti-reflection device according to claim 6, wherein one surface of the ram (5) close to the inner wall of the cylinder body (1) is a curved surface; the piston vibration unit is multiple, and each piston vibration unit is arranged in a corresponding piston cavity (1-1).
8. The hole-blockage-preventing vibration anti-reflection device according to claim 1, wherein the second ratchet mechanism comprises a second rotary table (10) and second internal teeth (2-4) which are fixed on the hollow cavity (2-2) and can drive the hollow cone (2) to rotate, the second rotary table (10) is sleeved on the second output shaft (7-2) and can synchronously rotate along with the second output shaft (7-2), a second pawl (10-1) is hinged to the second rotary table (10), the second pawl (10-1) is meshed with the second internal teeth (2-4), and the tooth form of the second internal teeth (2-4) is an asymmetric tooth form.
9. The hole-blockage-preventing vibration anti-reflection device according to claim 1, wherein the hollow cone (2) is provided with air exhaust holes (2-3), the air exhaust holes (2-3) are positioned at the orifices on the outer wall surface of the hollow cone (2) and are far away from the tip of the hollow cone (2), and the air exhaust holes (2-3) are positioned at the orifices on the hollow cone (2-2) and are close to the tip of the hollow cone (2); and a second fan (12) used for blowing air into the hollow cavity (2-2) is further arranged in the hollow cavity (2-2), and the second fan (12) is positioned at one end, far away from the cylinder body (1), in the hollow cavity (2-2).
10. A method of using the apparatus of claim 1 to perform a vibrating anti-chucking hole, the method comprising:
the tip of a hollow cone (2) of the vibration permeability-increasing device of the anti-sticking hole is close to the hole opening on the coal storage layer; when the motor (7) drives the first output shaft (7-1) and the second output shaft (7-2) to rotate anticlockwise, the second output shaft (7-2) drives the second ratchet mechanism, the second ratchet mechanism drives the hollow cone (2) to rotate, the spiral cutter (2-5) rotates to crush obstacles in the hole, and the hollow cone (2) drives the spiral cutter (2-5) to rotate to penetrate into the obstacles; the first output shaft (7-1) rotates anticlockwise without driving the crankshaft (3) to rotate;
when the motor (7) drives the first output shaft (7-1) and the second output shaft (7-2) to rotate clockwise, the first output shaft (7-1) drives the first ratchet mechanism, the first ratchet mechanism drives the crankshaft (3) to rotate, the crankshaft (3) rotates to drive the piston vibration unit to vibrate, the piston vibration unit vibrates to form mechanical vibration waves, the mechanical vibration waves act on obstacles in the hole, and the obstacles in the hole are loosened; the second output shaft (7-2) rotates clockwise without rotating the hollow cone (2).
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| CN110513093A (en) * | 2019-08-30 | 2019-11-29 | 贵州大学 | A kind of Frequency Adjustable, timing the anti-reflection vibration fracturing device in coal seam |
| CN111042787A (en) * | 2019-12-06 | 2020-04-21 | 龚大建 | Unconventional oil-gas pulse resonance synergistic method and device |
| CN111894506B (en) * | 2020-07-14 | 2022-04-01 | 中钢集团西安重机有限公司 | Radial rapping device |
| CN111894507B (en) * | 2020-07-14 | 2022-04-01 | 中钢集团西安重机有限公司 | Radial rapping method |
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