CN209568972U - A kind of compression-ignited positive interaction power hammer drilling tool - Google Patents
A kind of compression-ignited positive interaction power hammer drilling tool Download PDFInfo
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- CN209568972U CN209568972U CN201920184535.7U CN201920184535U CN209568972U CN 209568972 U CN209568972 U CN 209568972U CN 201920184535 U CN201920184535 U CN 201920184535U CN 209568972 U CN209568972 U CN 209568972U
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- exhaust outlet
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Abstract
A kind of compression-ignited positive interaction power hammer drilling tool, the drilling tool include shell, mixing chamber, combustion chamber, upper and lower piston, upper and lower exhaust outlet, block stamp, anvil, drill bit, air inlet pipe, spray bar.Catalase method is: the air and fuel being uniformly mixed in mixing chamber enter combustion chamber by upper exhaust outlet, the indoor mixed gas of lower piston uplink compression and combustion, mixed gas is compression-ignited generation high pressure, push lower piston and block stamp rapidly downlink, compress mainspring, and anvil and drill bit are impacted in bottom dead centre, it is crushed bottom hole rock.The tail gas that compression ignition generates is by returning to earth's surface on lower exhaust outlet purge hole bottom and cutting carring.After impact terminates, mainspring pushes lower piston uplink, again the indoor mixed gas of compression and combustion.Continuing working for compression-ignited positive interaction power hammer drilling tool is realized in movement so in cycles, constantly broken bottom hole rock.
Description
Technical field
The utility model relates to a kind of compression-ignited positive interaction power hammer drilling tools.
Background technique
Percussion drilling is a kind of important drilling method, and this method drilling efficiency is high, and drilling quality is good, therefore
Basic engineering construction and geological exploration field are widely used.The power resources of the central module impactor of churn drilling tools are past
Toward the advantage and disadvantage for determining this impactor.Current existing impactor, such as patent " deep well drilling fluid dynamic jet impacter "
The impactor that (2385068 Y of CN) and " a kind of through reverse circulation impactor " (203499555 U of CN) is proposed is to rely on
Highly pressurised liquid or gas are as power.As a source of power with high pressure liquid stream, therefore the requirement to pump pressure is very high for this kind of impactor,
Capacity usage ratio is not high and has biggish damage to drill string.
Summary of the invention
The utility model provides a kind of compression-ignited positive interaction power hammer drilling tool, and the drilling tool is with the mixed gas of air and fuel
The hyperpressure that compression ignition generates is dynamic impact problem, avoids hammer drill tool powered by conventional energy and high pump pressure is used to generate high-pressure fluid as dynamic
Power and the counter productive generated.And using returning to earth's surface on the tail gas cutting carring of discharge.Drilling efficiency is improved, energy is reduced
The investment in source.
A kind of compression-ignited positive interaction power hammer drilling tool, including shell, mixing chamber, combustion chamber, upper piston, lower piston, upper row
Port, lower exhaust outlet, block stamp, anvil, drill bit, air inlet pipe, spray bar and mainspring；
The casing center is provided with circular cylindrical cavity, opens that there are four be vented under upper exhaust outlet and four on the outside of circular cylindrical cavity
Mouthful, four upper exhaust outlets are used to import mixed gas combustion chamber, and four lower exhaust outlets are used to combustion tail gas draining into bottom hole, and
It is returned on cutting carring.
The mixing chamber is located at housing tip, and access air inlet pipe and spray bar, mixing chamber can be by injections at the top of mixing chamber
Air and fuel are uniformly mixed with predetermined ratio.
Upper exhaust outlet is connected above the combustion chamber to suck the gas being uniformly mixed in mixing chamber, under being below combustion chamber
Piston, and communicated with lower exhaust outlet；Combustion chamber is the place of mixed gas compression ignition.
The upper piston and lower piston can slide up and down in cylindrical cavity body, and upper piston is located at mixing chamber, lower piston position
In combustion chamber, lower piston connects block stamp；Anvil is located at below block stamp, and the lower part of anvil is drill bit, and mainspring is located at below lower piston
Space in；
Connect mixing chamber on the upper exhaust outlet, under connect combustion chamber, and check valve is housed, prevents gaseous mixture and combustion in combustion chamber
It burns tail gas and flows back into mixing chamber；The lower exhaust outlet upper end and combustion chamber connection, lower end is free export.
A kind of catalase method of compression-ignited positive interaction power hammer drilling tool:
Compression-ignited positive interaction power hammer drilling tool is transferred to bottom hole, a certain amount of air is then injected by air inlet pipe, is led to
It crosses spray bar and sprays into a certain amount of fuel, the fuel of the proper proportion of injection uniformly mixes in mixing chamber with air, and formation can
Fire gaseous mixture.Pressure-air is slowly persistently injected by air inlet pipe, mixing chamber pressure increases, and pushes upper piston synchronous with lower piston
Slow downlink, while mainspring is compressed, when upper piston downstream position is lower than upper exhaust outlet, mixed gas is entered by upper exhaust outlet
Combustion chamber, simultaneously because the DL synchronization of lower piston, lower exhaust outlet is slowly opened, under the mixed gas being full of in combustion chamber is passed through
Exhaust outlet access aperture bottom, by returning to earth's surface on annular space behind purge hole bottom.At this point, lower piston is in lower position, combustion chamber is let out
Pressure, the elastic force of the mainspring of compression drive upper piston and lower piston rapidly uplink together, upper exhaust outlet and lower exhaust close, burning
Indoor gaseous mixture moment is compressed, and pressure and temperature rapidly increases, and reaches fuel ignition point, fuel rapidly vigorous combustion, combustion
It burns room pressure rapidly to rise, pushes lower piston downlink, and compress mainspring.When lower piston downstream position is lower than lower exhaust outlet,
Combustion tail gas returns to earth's surface and collects processing equipment, combustion chamber pressure release, block stamp by lower exhaust outlet access aperture bottom on cutting carring
It is continued traveling downwardly under effect of inertia with lower piston, continues to compress mainspring.At this point, upper piston position is lower than upper exhaust outlet, mixing chamber
Interior mixed gas enters combustion chamber by upper exhaust outlet.When lower piston and block stamp run to bottom dead centre, anvil and drill bit are impacted, is broken
Broken bottom hole rock.After block stamp hits anvil, mainspring starts to uphold, and pushes in block stamp and lower piston uplink and compression and combustion room and mixes
Gas.Continuing working for compression-ignited positive interaction power hammer drilling tool is realized in movement so in cycles, constantly broken hole bed rock
Stone.
The utility model has the beneficial effects that
The utility model is the hyperpressure that generates when being compression-ignited fuel and air as dynamic impact problem, relative to pneumatic
And hydraulic impacter, compression-ignited impactor do not need high pump pressure and generate high-pressure fluid, energy loss is less, and drilling efficiency is higher.
Detailed description of the invention
Fig. 1 is that compression-ignited positive interaction power hammer drilling tool piston is in upper limit position schematic diagram.
Fig. 2 is that compression-ignited positive interaction power hammer drilling tool piston is in lower position schematic diagram.
In figure: exhaust outlet, 7- block stamp, 8- under 1- hole wall, 2- mixing chamber, 3- upper piston, the upper exhaust outlet of 4-, 5- mainspring, 6-
Anvil, 9- drill bit, 10- air inlet pipe, 11- spray bar, 12- shell, the combustion chamber 13-, 14- lower piston.
Specific embodiment
It please refers to shown in Fig. 1 and Fig. 2, a kind of compression-ignited positive interaction power hammer drilling tool, including shell 12, mixing chamber 2, burning
Room 13, upper piston 3, lower piston 14, upper exhaust outlet 4, lower exhaust outlet 6, block stamp 7, anvil 8, drill bit 9, air inlet pipe 10, spray bar 11
With mainspring 5；
12 center of shell is provided with circular cylindrical cavity, opens that there are four under upper exhaust outlet 4 and four on the outside of circular cylindrical cavity
Exhaust outlet 6, four upper exhaust outlets 4 are used to mixed gas importing combustion chamber 13, and four lower exhaust outlets 6 are for arranging combustion tail gas
To bottom hole, and returned on cutting carring.
The mixing chamber 2 is located at 12 top of shell, accesses air inlet pipe 10 and spray bar 11,2 energy of mixing chamber at the top of mixing chamber 2
The air of injection and fuel are uniformly mixed with predetermined ratio.
Upper exhaust outlet 4 is connected above the combustion chamber 13 to suck the gas being uniformly mixed in mixing chamber 2, under combustion chamber 13
Side is lower piston 14, and is communicated with lower exhaust outlet 6；Combustion chamber 13 is the place of mixed gas compression ignition.
The upper piston 3 and lower piston 14 can slide up and down in cylindrical cavity body, and upper piston 3 is located at mixing chamber 2, lower work
Plug 14 is located at combustion chamber 13, and lower piston 13 connects block stamp 7；Anvil 8 is located at 7 lower section of block stamp, and the lower part of anvil 8 is drill bit 9, mainspring
5 are located in the space of 14 lower section of lower piston；
Connect mixing chamber 2 on the upper exhaust outlet 4, under connect combustion chamber 13, and check valve is housed, prevents mixing in combustion chamber 13
Gas and combustion tail gas flow back into mixing chamber 2；6 upper end of lower exhaust outlet and 13 connection of combustion chamber, lower end is free export.
A kind of breaking method of compression-ignited positive interaction power hammer drilling tool:
Compression-ignited positive interaction power hammer drilling tool is transferred to bottom hole, a certain amount of air is then injected by air inlet pipe 10,
A certain amount of fuel is sprayed by spray bar 11, the fuel of the proper proportion of injection uniformly mixes in mixing chamber 2 with air, shape
At combustion mixture.Pressure-air is slowly persistently injected by air inlet pipe 10,2 pressure increase of mixing chamber pushes upper piston 3 under
Piston 14 synchronizes slow downlink, while compressing mainspring 5, and when 3 downstream position of upper piston is lower than upper exhaust outlet 4, mixed gas is logical
It crosses exhaust outlet 4 and enters combustion chamber 13, simultaneously because the DL synchronization of lower piston 14, lower exhaust outlet 6 is slowly opened, combustion chamber 13
The mixed gas being inside full of passes through lower 6 access aperture bottom of exhaust outlet, passes through on annular space behind purge hole bottom and returns to earth's surface.At this point, lower work
Plug 14 is in lower position, 13 pressure release of combustion chamber, and the elastic force of the mainspring 5 of compression drives upper piston 3 and lower piston 14 together rapidly
Uplink, upper exhaust outlet 4 and lower exhaust outlet 6 are closed, and the gaseous mixture moment in combustion chamber 13 is compressed, and pressure and temperature rapidly rises
Height, reaches fuel ignition point, fuel rapidly vigorous combustion, and pressure rapidly rises in combustion chamber 13, pushes 14 downlink of lower piston, and
Compress mainspring 5.When 14 downstream position of lower piston be lower than lower exhaust outlet 6 when, combustion tail gas by lower 6 access aperture bottom of exhaust outlet, and
Earth's surface is returned on cutting carring collects processing equipment, 13 pressure release of combustion chamber, under block stamp 7 and lower piston 14 continue under effect of inertia
Row continues to compress mainspring 5.At this point, 3 position of upper piston is lower than upper exhaust outlet 4, mixed gas passes through upper exhaust outlet 4 in mixing chamber 2
Into combustion chamber 13.When lower piston 14 and block stamp 7 run to bottom dead centre, impact anvil 8 and drill bit 9, broken bottom hole rock.Block stamp
After 7 hit anvil 8, mainspring 5 starts to uphold, and pushes mixed gas in block stamp 7 and 14 uplink of lower piston and compression and combustion room 13.This
The movement of sample in cycles, realizes continuing working for compression-ignited positive interaction power hammer drilling tool, constantly broken bottom hole rock.
Claims (1)
1. a kind of compression-ignited positive interaction power hammer drilling tool, it is characterised in that: including shell (12), mixing chamber (2), combustion chamber
(13), upper piston (3), lower piston (14), upper exhaust outlet (4), lower exhaust outlet (6), block stamp (7), anvil (8), drill bit (9), into
Tracheae (10), spray bar (11) and mainspring (5)；
Shell (12) center is provided with circular cylindrical cavity, opens that there are four under upper exhaust outlet (4) and four on the outside of circular cylindrical cavity
Exhaust outlet (6), four upper exhaust outlet (4) are used to mixed gas importing combustion chamber (13), and four lower exhaust outlets (6) will be for that will fire
It burns tail gas and drains into bottom hole, and returned on cutting carring；
The mixing chamber (2) is located at shell (12) top, and access air inlet pipe (10) and spray bar (11) at the top of mixing chamber (2) mix
Closing room (2) can uniformly be mixed the air of injection and fuel with predetermined ratio；
Upper exhaust outlet (4) are connected above the combustion chamber (13) to suck the gas being uniformly mixed in mixing chamber (2), combustion chamber
(13) lower section is lower piston (14), and is communicated with lower exhaust outlet (6)；Combustion chamber (13) is the place of mixed gas compression ignition；
The upper piston (3) and lower piston (14) can slide up and down in cylindrical cavity body, and upper piston (3) is located at mixing chamber (2),
Lower piston (14) is located at combustion chamber (13), and lower piston (14) connects block stamp (7)；Anvil (8) is located at below block stamp (7), anvil (8)
Lower part be drill bit (9), mainspring (5) is located in the space below lower piston (14)；
Connect mixing chamber (2) on the upper exhaust outlet (4), under connect combustion chamber (13), and check valve is housed, prevents in combustion chamber (13)
Gaseous mixture and combustion tail gas flow back into mixing chamber (2)；Lower exhaust outlet (6) upper end and combustion chamber (13) connection, lower end are certainly
By exporting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920184535.7U CN209568972U (en) | 2019-02-02 | 2019-02-02 | A kind of compression-ignited positive interaction power hammer drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920184535.7U CN209568972U (en) | 2019-02-02 | 2019-02-02 | A kind of compression-ignited positive interaction power hammer drilling tool |
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| Publication Number | Publication Date |
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| CN209568972U true CN209568972U (en) | 2019-11-01 |
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| CN201920184535.7U Active CN209568972U (en) | 2019-02-02 | 2019-02-02 | A kind of compression-ignited positive interaction power hammer drilling tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723376A (en) * | 2019-02-02 | 2019-05-07 | 吉林大学 | A kind of compression-ignited positive interaction power hammer drilling tool and catalase method |
-
2019
- 2019-02-02 CN CN201920184535.7U patent/CN209568972U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723376A (en) * | 2019-02-02 | 2019-05-07 | 吉林大学 | A kind of compression-ignited positive interaction power hammer drilling tool and catalase method |
| CN109723376B (en) * | 2019-02-02 | 2024-04-19 | 吉林大学 | Compression ignition type positive power hammer drilling tool and rock breaking method |
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