CN207879247U - It combines reducing and sprays Pump breath countercirculate boundling down-hole hammer - Google Patents
It combines reducing and sprays Pump breath countercirculate boundling down-hole hammer Download PDFInfo
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- CN207879247U CN207879247U CN201820222373.7U CN201820222373U CN207879247U CN 207879247 U CN207879247 U CN 207879247U CN 201820222373 U CN201820222373 U CN 201820222373U CN 207879247 U CN207879247 U CN 207879247U
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Abstract
The utility model discloses a kind of combination reducings to spray Pump breath countercirculate boundling down-hole hammer, including sub- hammer, boundling mother hammer and clustering ring hammer.The suction passage that top plate venthole, nozzle, mixing tube chamber, trunnion tube chamber, the passing away of diffusion tube chamber peace straight tube chamber composition and drill bit plate slag absorbing hole, bottom plate slag absorbing hole, dreg inhaling pipe, top plate slag absorbing hole, suction chamber form, constitute injection pumping reverse circulation system, high pressure gas closed cycle is not contacted with hole wall, solves the problems, such as that residual air washes away hole wall；When drill bit is hanging, closed outer casing pipe gas vent is not had that working gas is in line to leak by anvil column boss；When reducing, clustering ring is hammered coaxial package into shape and is hammered into shape in boundling mother, the outer air supply pipe of boundling mother hammer and external admission hole are connect with the air inlet pipe and an air outlet pipe of clustering ring hammer respectively, fixed pin passes through the fixed pin holes of clustering ring hammer to be inserted into the pin hole that boundling mother hammers into shape and is linked together and transmits torque and axial force with boundling mother hammer, and realizing combination reducing reduces the purpose of boundling down-hole hammer cost.
Description
Technical field
The utility model is related to piling machinery technical fields, and in particular to a kind of combination reducing injection Pump breath countercirculate boundling
Down-hole hammer.
Background technology
Boundling down-hole hammer used in the Drilling rock pore of piling machinery field is according to the pore size of institute's Drilling, more
A minor diameter down-hole hammer boundling for being referred to as sub- hammer is used in combination, it is therefore an objective to which inexpensive Drilling is bigger than son hammer diameter to be obtained
More rock pores.
Currently used boundling down-hole hammer is direct circulation down-hole hammer mostly.Feature is after driving son hammer piston impact does work
Residual air collects in the end of boundling down-hole hammer by the sub- bit central hole of sub- hammer, and carries boring mud along boundling down-hole hammer and hole
Annulus delivery port between wall and drilling rod and hole wall.
Currently also have and reacting cycle deslagging is turned using direct circulation boundling down-hole hammer.Feature is in direct circulation boundling down-hole hammer tail
The closing disk between hole wall is arranged in portion, by the carrying boring mud of the annulus direct circulation discharge between boundling down-hole hammer and hole wall
Residual air imports in drilling rod, and through the passage discharge orifice mouth in drilling rod.
It is current to also have using reacting cycle boundling down-hole hammer.Feature is that scum pipe is arranged in boundling down-hole hammer, passes through collection
The fluid damping in beam down-hole hammer outer barrel and hole wall and bottom hole gap acts on or is arranged between boundling down-hole hammer and hole wall or bottom hole close
The residual air for collecting in boundling down-hole hammer end carrying boring mud is imported the scum pipe being arranged in boundling down-hole hammer, and passed through by seal apparatus
Passage discharge orifice mouth in drilling rod.
Currently used boundling down-hole hammer is to choose the son hammer boundling combination of respective numbers and respective diameters by construction aperture
At the boundling down-hole hammer of corresponding major diameter, each construction aperture must all correspond to the boundling down-hole hammer of manufacture respective diameters.
Urgent problem to be solved：
The first, the residual air of direct circulation boundling down-hole hammer huge to hole wall generation can be washed away, meeting of constructing in soft stratum
Reaming or collapse hole accident are caused, construction almost can not especially in the weak soil for having stabilizing solution, circulation fluid or rich groundwater
Can.Even direct circulation boundling down-hole hammer turns reacting cycle deslagging or reacting cycle boundling down-hole hammer, there is also residual air and hole wall, hole
Contact scour problem in bottom is washed away and is asked there is also the residual air leakage that sealing device and irregular hole wall or bottom hole cannot be sealed strictly
Topic.
The second, when rock face of constructing is rough and uneven in surface, the sub- drill bit having can be hanging, and hanging son hammer is caused to be stopped,
Working gas can leak from idle sub- hammer drill bit is in line, cause system working pressure and flow to decline, cause other works
The son hammer drilling efficiency of work is greatly reduced.
Third, each construction aperture must all correspond to the boundling down-hole hammer for preparing respective diameters, and cost is huge.
Invention content
The purpose of this utility model is to provide a kind of combination reducing injection Pump breath countercirculate boundling down-hole hammer, solves current
Boundling down-hole hammer residual air is washed away to hole wall and the in line problem that leaks of working gas, and reduces boundling down-the-hole hammer out by combining reducing
This.
In order to achieve the above object, the utility model is realized using following technical scheme：
A kind of combination reducing injection Pump breath countercirculate boundling down-hole hammer, including sub- hammer, boundling mother hammer and clustering ring hammer.
Anvil column is installed, anvil column is provided with the axial anvil column gas vent not penetrated through of radial perforation, adds under the sub- hammer in cutting ferrule
Work has is slidingly sealed installation between anvil column boss and lower cutting ferrule with sealing ring is axially limited.Outer tube is radially provided with outer tube row
Stomata can be simultaneously connected to anvil column gas vent, and when anvil column slides into lower dead center, anvil column boss is by closed outer casing pipe gas vent.Anvil column quilt
Strike end corresponds to piston strike end, hit end correspond to sub- drill bit by hit end.
The outer cover and inner cover coaxial package of the boundling mother hammer, one end welding top plate other end weld boundling down-hole hammer method
Orchid is used in combination connection bolt to be connect with double-wall drill pipe by drilling rod flange, and outer cover radially welds outer air supply pipe.Distinguish at dreg inhaling pipe both ends
It is welded with top plate and bottom plate, outer barrel both ends are welded with top plate and bottom plate respectively.Top plate is provided with distribution duct, external admission hole, pin hole
Top plate venthole corresponding with nozzle location.Top plate is being provided with top plate slag absorbing hole with dreg inhaling pipe corresponding position, is being connect with outer barrel
Side son hammer corresponding position is provided with sub- hammer plug-in opening, sub- hammer plug-in opening and distribution hole link, and nozzle and top plate venthole are coaxial
Installation.Bottom plate is provided with sub- hammer mounting hole corresponding with son hammer position and is provided with bottom plate slag absorbing hole in dreg inhaling pipe corresponding position.It is described
Sub- hammer top connection is inserted into the son hammer plug-in opening of top plate by son hammer across the son hammer mounting hole of bottom plate, and fastening bolt is used in combination to pass through method
Blue flange hole is fixedly mounted with bottom plate and top plate.Drill bit plate with bottom plate slag absorbing hole corresponding position be provided with drill bit plate slag absorbing hole,
It is being provided with sub- drill bit mounting hole with sub- drill bit corresponding position, axially the limited son for being slidably mounted on drill bit plate bores sub- drill bit bayonet lock
In head mounting hole, drill bit plate is connected and fixed with backing bolt with bottom plate.
The outer wall and inner wall coaxial package of the clustering ring hammer, one end and the cover board welding other end and ring hammer bottom plate welding,
Between welding ring peen plate.Cover board is provided with cover board air admission hole and cover board venthole and is welded respectively with air inlet pipe and an air outlet pipe.Ring
Peen plate is provided with ring peen plate venthole and ring corresponding with sub- hammer position hammer distribution duct, ring peen plate venthole and escape pipe
Welding.Ring peen plate hammers the ring hammer hammer plug-in opening of distribution hole link into shape being provided with towards ring hammer bottom plate side with ring, and ring hammers bottom into shape
Plate is being provided with ring hammer hammer mounting hole with sub- hammer corresponding position.The ring hammer hammer mounting hole that the sub- hammer hammers bottom plate into shape across ring will be sub
It hammers into shape in the ring hammer hammer plug-in opening of top connection insertion ring peen plate, fastening bolt is used in combination that the flange hole of flange is passed through to hammer bottom plate into shape with ring
It is fixedly mounted with ring peen plate.Ring peen plate extends radially through the fixed pin of outer wall and inner wall being provided with fixed pin corresponding position
Hole.Ring hammer drill head plate is being provided with ring hammer drill bit mounting hole, the bayonet lock axially limited sliding of sub- drill bit with sub- drill bit corresponding position
In the ring hammer drill bit mounting hole of ring hammer drill head plate, ring hammer drill head plate is hammered backing bolt into shape with ring and is connect admittedly with ring hammer bottom plate
It is fixed.Son hammer no less than two, dreg inhaling pipe and the nozzle that the boundling mother hammer is equipped with are no less than one, what the clustering ring hammer was equipped with
Son hammer and fixed pin are no less than two, the clustering ring hammer no less than one.
Preferably, in said combination reducing injection Pump breath countercirculate boundling down-hole hammer, the inner wall of the double-wall drill pipe inner tube
It is processed to the tube chamber of four sections of variable cross-sections in an axial direction, is from the big section transitions of drilling rod flange endoporus to the mixing of small bore respectively
The prismatic trunnion tube chamber of tube chamber, small bore, small bore are transitioned into diffusion tube chamber and the big section of inner tube of the big section internal diameter of inner tube
Prismatic straight tube chamber.
Preferably, in said combination reducing injection Pump breath countercirculate boundling down-hole hammer, the clustering ring hammer can coaxial package
It is outer in boundling mother hammer.
Preferably, in said combination reducing injection Pump breath countercirculate boundling down-hole hammer, the clustering ring hammer can pass through fixation
The pin hole and boundling mother hammer sold across fixed pin holes insertion boundling mother hammer are linked together.
Preferably, in said combination reducing injection Pump breath countercirculate boundling down-hole hammer, the outer air supply pipe of the boundling mother hammer
It can be connect respectively with the air inlet pipe and an air outlet pipe of clustering ring hammer with external admission hole.
The utility model provides a kind of combination reducing injection Pump breath countercirculate boundling down-hole hammer：
When boundling mother hammer works independently, outer air supply pipe and external admission hole are blocked.Working gas from double-wall drill pipe inner tube with
Annulus between outer tube enters the distribution surrounded by outer cover, inner cover, boundling down-hole hammer flange and top plate through flange venthole
Then room enters sub- hammer driving piston impact acting from distribution duct.The strike end of the son hammer piston of impact acting strikes anvil column
By strike end, transmitted by the power of anvil column, the strike end impact of anvil column is mounted on the son in drill bit plank drill bit mounting hole and bores
Head is hit end, and scar detritus is transferred to by the power of sub- drill bit.Residual air after acting under the sealing process of sealing ring, from
Anvil column gas vent is discharged into the gas storage surrounded by outer barrel, top plate and bottom plate, sub- hammer outer wall and slag absorbing pipe outer wall through outer tube gas vent
Room.In the residual air that air storage chamber collects, sprayed from nozzle at high speeds through top plate venthole, the air-flow that high speed sprays is formed about in nozzle
Negative pressure.Under negative pressure and the effect of atmospheric pressure or hydraulic pressure, in hole of constructing air or liquid through annulus between outer barrel and hole wall to brill
Collect between head plate and construction bottom hole.Boring mud dust or liquid containing boring mud are carried under negative pressure and the effect of atmospheric pressure or hydraulic pressure, through boring
Head plate slag absorbing hole, bottom plate slag absorbing hole, dreg inhaling pipe and top plate slag absorbing hole are inhaled into the suction chamber surrounded by inner cover and top plate, and enter
It mixes and enters diffusion tube chamber through trunnion tube chamber after tube chamber is mixed with ejection residual air, from double-wall drill pipe after diffusion tube chamber slows down pressurization
The straight tube chamber delivery port of inner tube.Group drill bit occurs vacantly, and anvil column slides into lower dead center therewith, and sub- hammer piston stops work
Make, anvil column boss closes outer tube gas vent, and idle sub- no working gas of hammer is in line to leak.
The passing away being made of top plate venthole, nozzle, mixing tube chamber, trunnion tube chamber, diffusion tube chamber peace straight tube chamber
The suction passage formed with drill bit plate slag absorbing hole, bottom plate slag absorbing hole, dreg inhaling pipe, top plate slag absorbing hole, suction chamber constitutes injection pumping
Reverse circulation system.The system does not have moving component, simple in structure energy saving, the residual air after piston can be made full use of to do work.It is whole
A process high pressure gas closed cycle is not in contact with construction hole wall, thoroughly solves current boundling down-hole hammer residual air device to hole
Wall washes away problem.
When Drilling needs reducing more than the construction hole of boundling mother hammer diameter, clustering ring hammer coaxial package is hammered into shape in boundling mother
Except.The pin hole for passing through the fixed pin holes of clustering ring hammer to be inserted into boundling mother hammer with fixed pin is linked together and transmits with boundling mother hammer
Rotary torque and axial force, while by the outer air supply pipe that boundling mother hammers into shape and the air inlet pipe that external admission hole is hammered into shape with clustering ring respectively and going out
Tracheae connects.When work, air inlet pipe that gas distributing chamber that working gas is hammered into shape from boundling mother is hammered into shape through outer air supply pipe by clustering ring, cover board
The Huan Chui gas distributing chamber that air admission hole enters clustering ring hammer inner wall, outer wall, cover board and ring peen plate surround, and through ring hammer into shape distribution duct into
Enter sub- hammer driving piston impact acting.The strike end impact anvil column for the son hammer piston that impact is done work is hit end, passes through anvil column
Power transmit, sub- drill bit of the strike end of the anvil column impact in ring hammer drill head plate ring hammer drill bit mounting hole is hit
End, scar detritus is transferred to by the power of sub- drill bit.Residual air after acting is under the sealing process of sealing ring, from anvil column gas vent
It is discharged into the ring surrounded by ring hammer bottom plate, inner wall, outer wall, sub- hammer outer wall and ring peen plate through outer tube gas vent and hammers air storage chamber into shape.
The residual air that ring hammer air storage chamber collects, the external admission hole hammered into shape through ring peen plate venthole, escape pipe and boundling mother is hammered into shape into boundling mother
The residual air hammered into shape with boundling mother of air storage chamber converge.Realize reduces the purpose of boundling down-hole hammer cost by combining reducing.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to this practicality
New embodiment or attached drawing needed to be used in the description of the prior art do simple introduction.Drawings discussed below is only this reality
It under the premise of without involving an inventive effort, is gone back to those skilled in the art with novel one embodiment
It can be with other accompanying drawings can also be obtained according to these attached drawings.
Fig. 1 is the son hammer section that the combination reducing that the utility model embodiment provides sprays Pump breath countercirculate boundling down-hole hammer
Schematic diagram.
Fig. 2 is the boundling mother hammer that the combination reducing that the utility model embodiment provides sprays Pump breath countercirculate boundling down-hole hammer
Structural schematic diagram.
Fig. 3 is the boundling mother hammer that the combination reducing that the utility model embodiment provides sprays Pump breath countercirculate boundling down-hole hammer
Diagrammatic cross-section.
Fig. 4 is the clustering ring hammer that the combination reducing that the utility model embodiment provides sprays Pump breath countercirculate boundling down-hole hammer
Structural schematic diagram.
Fig. 5 is the clustering ring hammer that the combination reducing that the utility model embodiment provides sprays Pump breath countercirculate boundling down-hole hammer
Diagrammatic cross-section.
Fig. 6 is the boundling mother hammer that the combination reducing that the utility model embodiment provides sprays Pump breath countercirculate boundling down-hole hammer
Reducing combination diagrammatic cross-section is hammered into shape with clustering ring.
In wherein Fig. 1-Fig. 6：
Son hammer 100；Top connection 101；Piston 102；Outer tube 103；Anvil column gas vent 104；Anvil column 105；Lower cutting ferrule 106；
Sealing ring 107；Flange 108；Bayonet lock 109；Sub- drill bit 110；Flange hole 111；Fastening bolt 112；Outer tube gas vent 113；Anvil
Column boss 114.
Boundling mother hammer 200；Double-wall drill pipe 201；Outer tube 202；Inner tube 203；Connect bolt 204；Drilling rod flange 205；Boundling
Down-hole hammer flange 206；Gas distributing chamber 207；Outer air supply pipe 208；Outer cover 209；Inner cover 210；Top plate slag absorbing hole 211；Distribution duct
212；Top plate 213；Son hammer plug-in opening 214；Dreg inhaling pipe 215；Outer barrel 216；Bottom plate slag absorbing hole 217；Bottom plate 218；Drill bit plate slag absorbing
Hole 219；Sub- drill bit mounting hole 220；Backing bolt 221；Drill bit plate 222；Son hammer mounting hole 223；Air storage chamber 224；Pin hole 225；
External admission hole 226；Top plate venthole 227；Suction chamber 228；Nozzle 229；Flange venthole 230；Mix tube chamber 231；Trunnion pipe
Chamber 232；Diffusion tube chamber 233；Straight tube chamber 234.
Clustering ring hammer 300；Air inlet pipe 301；Fixed pin 302；Cover board air admission hole 303；Cover board 304；Huan Chui gas distributing chamber 305；
Ring hammers distribution duct 306 into shape；Ring hammer hammers plug-in opening 307 into shape；Ring hammer hammers mounting hole 308 into shape；Ring hammer drill bit mounting hole 309；Ring is hammered into shape
Backing bolt 310；Ring hammer drill head plate 311；Ring hammers bottom plate 312 into shape；Ring hammers air storage chamber 313 into shape；Outer wall 314；Inner wall 315；Ring peen plate
316；Ring peen plate venthole 317；Cover board venthole 318；Escape pipe 319；Fixed pin holes 320.
Specific implementation mode
The utility model embodiment discloses a kind of combination reducing injection Pump breath countercirculate boundling down-hole hammer, solves current
Boundling down-hole hammer residual air is washed away to hole wall and the in line problem that leaks of working gas, and reduces boundling down-hole hammer by combining reducing
Cost.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clear, complete description.Embodiments described below is only one embodiment of the utility model, is not all of embodiment.
Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
Every other embodiment, shall fall within the protection scope of the present invention.
- Fig. 6 refering to fig. 1, the utility model embodiment provide a kind of combination reducing injection Pump breath countercirculate boundling down-hole hammer,
Including sub- hammer 100, boundling mother hammer 200 and clustering ring hammer 300.
Specifically as shown in figs 1 to 6：
Anvil column 105 is installed, anvil column 105 is provided with the axial anvil not penetrated through of radial perforation in described 100 times cutting ferrules of sub- hammer 106
Column gas vent 104 is machined between anvil column boss 114 and lower cutting ferrule 106 and limited is slidingly sealed installation with sealing ring 107 is axial.
Outer tube 103 is radial to be provided with outer tube gas vent 113 and can be connected to anvil column gas vent 104, and anvil column 105 slides into lower dead center
When, anvil column boss 114 is by closed outer casing pipe gas vent 113.Anvil column 105 is corresponded to the strike end of piston 102, strike end by strike end
Corresponding sub- drill bit 110 is hit end.
The outer cover 209 and 210 coaxial package of inner cover of the boundling mother hammer 200,213 other end of one end welding top plate welding collection
Beam down-hole hammer flange 206 is used in combination connection bolt 204 to be connect with double-wall drill pipe 201 by drilling rod flange 205, the radial weldering of outer cover 209
Connect outer air supply pipe 208.215 both ends of dreg inhaling pipe are welded with top plate 213 and bottom plate 218 respectively, 216 both ends of outer barrel respectively with top plate
213 and bottom plate 218 weld.Top plate 213 be provided with distribution duct 212, external admission hole 226, pin hole 225 and with 229 position pair of nozzle
The top plate venthole 227 answered.Top plate 213 is being provided with top plate slag absorbing hole 211 with 215 corresponding position of dreg inhaling pipe, is being connect with outer barrel 216
Side hammers 100 corresponding positions into shape and is provided with sub- hammer plug-in opening 214, and sub- hammer plug-in opening 214 is connected to distribution duct 212, nozzle 229 and
Top plate venthole 227 is co-axially mounted.Bottom plate 218 is provided with sub- hammer mounting hole 223 corresponding with son 100 positions of hammer and in dreg inhaling pipe
215 corresponding positions are provided with bottom plate slag absorbing hole 217.The sub- hammer 100 passes through the son hammer mounting hole 223 of bottom plate 218 will be on sub- hammer 100
Connector 101 is inserted into the son hammer plug-in opening 214 of top plate 213, and fastening bolt 112 is used in combination to pass through flange hole 111 and the bottom of flange 108
Plate 218 and top plate 213 are fixedly mounted.Drill bit plate 222 with 217 corresponding position of bottom plate slag absorbing hole be provided with drill bit plate slag absorbing hole 219,
It is being provided with sub- drill bit mounting hole 220 with 110 corresponding position of sub- drill bit, sub- drill bit 110 is slidably mounted on axial be limited of bayonet lock 109
In the sub- drill bit mounting hole 220 of drill bit plate 222, drill bit plate 222 is connected and fixed with backing bolt 221 and bottom plate 218.
The other end and ring are welded in the outer wall 314 of the clustering ring hammer 300 and 315 coaxial package of inner wall, one end with cover board 304
Hammer into shape bottom plate 312 weld, between welding ring peen plate 316.Cover board 304 is provided with cover board air admission hole 303 and cover board venthole 318 and divides
It is not welded with air inlet pipe 301 and escape pipe 319.Ring peen plate 316 be provided with ring peen plate venthole 317 and with 100 position of sub- hammer
Corresponding ring hammer distribution duct 306, ring peen plate venthole 317 is welded with escape pipe 319.Ring peen plate 316 is hammered into shape towards ring
312 side of bottom plate is provided with ring hammer be connected to ring hammer distribution duct 306 and hammers plug-in opening 307 into shape, ring hammer bottom plate 312 with sub- hammer
100 corresponding positions are provided with ring hammer hammer mounting hole 308.The sub- hammer 100 passes through the ring hammer of ring hammer bottom plate 312 to hammer mounting hole into shape
308, by the ring hammer hammer plug-in opening 307 of 100 top connection of sub- hammer, 101 insertion ring peen plate 316, are used in combination fastening bolt 112 to pass through
The flange hole 111 of flange 108 is fixedly mounted with ring hammer bottom plate 312 and ring peen plate 316.Ring peen plate 316 with fixed pin 302
Corresponding position is radially provided with the fixed pin holes 320 through outer wall 314 and inner wall 315.Ring hammer drill head plate 311 with sub- drill bit 110
Corresponding position is provided with ring hammer drill bit mounting hole 309, and sub- drill bit 110 is slidably mounted on ring hammer bit with axial be limited of bayonet lock 109
In the ring hammer drill bit mounting hole 309 of plate 311, ring hammer drill head plate 311 is hammered backing bolt 310 into shape with ring and is connect with ring hammer bottom plate 312
It is fixed.
The boundling mother hammer 200 equipped son hammer 100 no less than two, dreg inhaling pipe 215 and nozzle 229 are no less than one,
The equipped son hammer 100 of the clustering ring hammer 300 and fixed pin 302 are no less than two, the clustering ring hammer 300 no less than one.
The inner wall of 201 inner tube 203 of the double-wall drill pipe is processed to the tube chamber of four sections of variable cross-sections in an axial direction, is from brill respectively
The prismatic trunnion tube chamber 232 of mixing tube chamber 231, small bore of the big section transitions of 205 endoporus of bar flange to small bore, small section
Face is transitioned into the prismatic straight tube chamber of diffusion tube chamber 233 and 203 big section of inner tube 234 of 203 big section internal diameter of inner tube.
Clustering ring hammer 300 can coaxial package in outside boundling mother hammer 200.
The clustering ring hammer 300 can pass through fixed pin holes 320 to be inserted into the pin hole 225 that boundling mother hammers 200 into shape by fixed pin 302
It is linked together with boundling mother hammer 200.
The outer air supply pipe 208 of the boundling mother hammer 200 and external admission hole 226 can hammer 300 air inlet into shape with clustering ring respectively
Pipe 301 and escape pipe 319 connect.
The disclosed combination reducing of the utility model embodiment sprays Pump breath countercirculate boundling down-hole hammer：
When boundling mother hammer 200 works independently, outer air supply pipe 208 and external admission hole 226 are blocked.Working gas is bored from double-walled
Annulus between 201 inner tube 203 of bar and outer tube 202 enters through flange venthole 230 by outer cover 209, inner cover 210, boundling
Then the gas distributing chamber 207 that down-hole hammer flange 206 and top plate 213 surround enters 100 driving piston 102 of son hammer from distribution duct 212
Impact acting.The strike end impact anvil column 105 for son 100 pistons 102 of hammer that impact is done work is hit end, passes through anvil column 105
Power is transmitted, and the strike end of anvil column 105 strikes being hit for the sub- drill bit 110 being mounted in 222 sub- drill bit mounting hole 220 of drill bit plate
End, scar detritus is transferred to by the power of sub- drill bit 110.Residual air after acting is under the sealing process of sealing ring 107, from anvil column
Gas vent 104 is discharged into through outer tube gas vent 113 by outer barrel 216, top plate 213, bottom plate 218,100 outer wall of sub- hammer, dreg inhaling pipe 215
The air storage chamber 224 that outer wall surrounds.In the residual air that air storage chamber 224 collects, sprayed at a high speed from nozzle 229 through top plate venthole 227, it is high
The air-flow that speed sprays is formed about negative pressure in nozzle 229.Under negative pressure and the effect of atmospheric pressure or hydraulic pressure, air or liquid in hole of constructing
Body collects through annulus between outer barrel 216 and hole wall between drill bit plate 222 and construction bottom hole.Carry boring mud dust or liquid containing boring mud
Body is under negative pressure and the effect of atmospheric pressure or hydraulic pressure, through drill bit plate slag absorbing hole 219, bottom plate slag absorbing hole 217, dreg inhaling pipe 215 and top plate
Slag absorbing hole 211 is inhaled into the suction chamber 228 surrounded by inner cover 210 and top plate 213, and enters mixing tube chamber 231 and spray residual air
Enter diffusion tube chamber 233 through trunnion tube chamber 232 after mixing, from 201 inner tube of double-wall drill pipe after diffusion tube chamber 233 slows down pressurization
203 234 delivery port of straight tube chamber.Group drill bit 110 occurs vacantly, and anvil column 105 slides into lower dead center, sub- hammer 100 therewith
Piston 102 is stopped, and anvil column boss 114 closes outer tube gas vent 113, and idle sub- hammer 100 does not have working gas
It is in line to leak.
By top plate venthole 227, nozzle 229, mixing tube chamber 231, trunnion tube chamber 232, diffusion tube chamber 233 and straight pipe chamber
The passing away of 234 compositions and drill bit plate slag absorbing hole 219, bottom plate slag absorbing hole 217, dreg inhaling pipe 215, top plate slag absorbing hole 211, sucking
The suction passage that room 228 forms constitutes injection pumping reverse circulation system.The system does not have moving component, saving energy simple in structure
Source, the residual air after piston 102 can be made full use of to do work.Spray Pump breath countercirculate process high pressure gas closed cycle, not with construction
Hole wall is in contact, and thoroughly solves the problems, such as that current boundling down-hole hammer residual air washes away hole wall.
When Drilling needs reducing more than the construction hole of boundling mother 200 diameters of hammer, clustering ring is hammered into shape 300 coaxial packages in collection
Except beam mother hammer 200.The fixed pin holes 320 of clustering ring hammer 300 are passed through to be inserted into the pin hole 225 that boundling mother hammers 200 into shape with fixed pin 302
It is linked together and is transmitted rotary torque and axial force with boundling mother hammer 200, while boundling mother being hammered into shape to 200 208 He of outer air supply pipe
External admission hole 226 is connect with the air inlet pipe 301 of clustering ring hammer 300 and escape pipe 319 respectively.When work, working gas is from boundling
The gas distributing chamber 207 of mother's hammer 200 enters collection through outer air supply pipe 208 by the air inlet pipe 301 of clustering ring hammer 300, cover board air admission hole 303
The Huan Chui gas distributing chamber 305 that 300 inner walls 315 of beam ring hammer, outer wall 314, cover board 304 and ring peen plate 316 surround, and hammer distribution into shape through ring
Duct 306 enters the 100 driving impact acting of piston 102 of son hammer.The strike end of son 100 pistons 102 of hammer of impact acting strikes anvil
Column 105 is hit end, is transmitted by the power of anvil column 105, and the strike end impact of anvil column 105 is mounted on 311 ring of ring hammer drill head plate
Sub- drill bit 110 in hammer drill bit mounting hole 309 by strike end, scar detritus is transferred to by the power of sub- drill bit 110.Acting
Residual air afterwards is discharged into through outer tube gas vent 113 from anvil column gas vent 104 under the sealing process of sealing ring 107 and hammers bottom into shape by ring
The ring that plate 312, inner wall 315, outer wall 314,100 outer wall of sub- hammer and ring peen plate 316 surround hammers air storage chamber 313 into shape.Gas storage is hammered into shape in ring
The residual air that room 313 is collected, the external admission hole 226 through ring peen plate venthole 317, escape pipe 319 and boundling mother hammer 200, enters
The air storage chamber 224 of boundling mother hammer 200 and the residual air of boundling mother hammer 200 are converged.Realize reduces boundling down-the-hole by combining reducing
This purpose hammer out.
Claims (5)
1. a kind of combination reducing sprays Pump breath countercirculate boundling down-hole hammer, including sub- hammer（100）, boundling mother hammer（200）And boundling
Ring is hammered into shape（300）；It is characterized in that, the sub- hammer（100）Lower cutting ferrule（106）Anvil column is inside installed（105）, anvil column（105）It is provided with
The radial axial anvil column gas vent not penetrated through of perforation（104）, be machined with anvil column boss（114）And lower cutting ferrule（106）Between with close
Seal ring（107）Axial be limited is slidingly sealed installation, outer tube（103）Radial direction is provided with outer tube gas vent（113）And it can be with anvil column
Gas vent（104）Connection, anvil column（105）When sliding into lower dead center, anvil column boss（114）By closed outer casing pipe gas vent（113）,
Anvil column（105）Piston is corresponded to by strike end（102）Strike end, strike end correspond to sub- drill bit（110）By strike end；The collection
Beam mother hammers into shape（200）Outer cover（209）With inner cover（210）Coaxial package, one end welding top plate（213）The other end welds boundling down-the-hole
Hammer flange into shape（206）, connection bolt is used in combination（204）Pass through drilling rod flange（205）With double-wall drill pipe（201）Connection, outer cover（209）Diameter
The air supply pipe to outside welding（208）, dreg inhaling pipe（215）Both ends respectively with top plate（213）And bottom plate（218）Welding, outer barrel（216）Two
End respectively with top plate（213）And bottom plate（218）Welding, top plate（213）It is provided with distribution duct（212）, external admission hole（226）, pin
Hole（225）With with nozzle（229）The corresponding top plate venthole in position（227）, top plate（213）With dreg inhaling pipe（215）Corresponding position
It sets and is provided with top plate slag absorbing hole（211）With outer barrel（216）Connect side hammer（100）Corresponding position is provided with sub- hammer plug-in opening
（214）, sub- hammer plug-in opening（214）With distribution duct（212）Connection, nozzle（229）With top plate venthole（227）It is co-axially mounted,
Bottom plate（218）It is provided with and is hammered into shape with son（100）The corresponding sub- hammer mounting hole in position（223）And in dreg inhaling pipe（215）Corresponding position is provided with
Bottom plate slag absorbing hole（217）, the sub- hammer（100）Across bottom plate（218）Son hammer mounting hole（223）By sub- hammer（100）Top connection
（101）It is inserted into top plate（213）Son hammer plug-in opening（214）It is interior, fastening bolt is used in combination（112）Across flange（108）Flange hole
（111）With bottom plate（218）And top plate（213）It is fixedly mounted, drill bit plate（222）With bottom plate slag absorbing hole（217）Corresponding position is opened
There is drill bit plate slag absorbing hole（219）, with sub- drill bit（110）Corresponding position is provided with sub- drill bit mounting hole（220）, sub- drill bit（110）
Use bayonet lock（109）Axial be limited is slidably mounted on drill bit plate（222）Sub- drill bit mounting hole（220）It is interior, drill bit plate（222）With support
Bottom fastening bolt（221）With bottom plate（218）It is connected and fixed；The clustering ring hammer（300）Outer wall（314）With inner wall（315）Coaxial sleeve
Dress, one end and cover board（304）It welds the other end and hammers bottom plate into shape with ring（312）Welding, between welding ring peen plate（316）, cover board
（304）It is provided with cover board air admission hole（303）With cover board venthole（318）And respectively with air inlet pipe（301）And escape pipe（319）Weldering
It connects, ring peen plate（316）It is provided with ring peen plate venthole（317）With with sub- hammer（100）Position corresponding ring hammer distribution duct
（306）, ring peen plate venthole（317）With escape pipe（319）Welding, ring peen plate（316）Bottom plate is being hammered into shape towards ring（312）One
Side is provided with and ring hammer distribution duct（306）The ring hammer of connection hammers plug-in opening into shape（307）, ring hammer bottom plate（312）With sub- hammer（100）
Corresponding position is provided with ring hammer hammer mounting hole（308）, the sub- hammer（100）Bottom plate is hammered into shape across ring（312）Ring hammer hammer installation
Hole（308）By sub- hammer（100）Top connection（101）Insertion ring peen plate（316）Ring hammer hammer into shape plug-in opening（307）It is interior, it is used in combination tight
Fixing bolt（112）Across flange（108）Flange hole（111）Bottom plate is hammered into shape with ring（312）With ring peen plate（316）It is fixedly mounted,
Ring peen plate（316）With fixed pin（302）Corresponding position is radially provided with through outer wall（314）And inner wall（315）Fixed pin
Hole（320）, ring hammer drill head plate（311）With sub- drill bit（110）Corresponding position is provided with ring hammer drill bit mounting hole（309）, sub- brill
Head（110）Use bayonet lock（109）Axial be limited is slidably mounted on ring hammer drill head plate（311）Ring hammer drill bit mounting hole（309）It is interior,
Ring hammer drill head plate（311）Backing bolt is hammered into shape with ring（310）Bottom plate is hammered into shape with ring（312）It is connected and fixed；The boundling mother hammer（200）Match
The son hammer of dress（100）No less than two, dreg inhaling pipe（215）And nozzle（229）No less than one, the clustering ring hammer（300）Match
The son hammer of dress（100）And fixed pin（302）No less than two, the clustering ring hammer（300）No less than one.
2. combination reducing according to claim 1 sprays Pump breath countercirculate boundling down-hole hammer, which is characterized in that double-wall drill pipe
（201）Inner tube（203）Inner wall be processed to the tube chambers of four sections of variable cross-sections in an axial direction, be from drilling rod flange respectively（205）Endoporus
Big section transitions to small bore mixing tube chamber（231）, the prismatic trunnion tube chamber of small bore（232）, small bore is transitioned into
Inner tube（203）The diffusion tube chamber of big section internal diameter（233）And inner tube（203）The prismatic straight tube chamber in big section（234）.
3. combination reducing according to claim 1 sprays Pump breath countercirculate boundling down-hole hammer, which is characterized in that clustering ring is hammered into shape
（300）Can coaxial package in boundling mother hammer into shape（200）Outside.
4. combination reducing according to claim 1 or 3 sprays Pump breath countercirculate boundling down-hole hammer, which is characterized in that boundling
Ring is hammered into shape（300）Fixed pin can be passed through（302）Across fixed pin holes（320）It is inserted into boundling mother hammer（200）Pin hole（225）With boundling
Mother's hammer（200）It is linked together.
5. combination reducing according to claim 1 or 3 sprays Pump breath countercirculate boundling down-hole hammer, which is characterized in that boundling
Mother's hammer（200）Outer air supply pipe（208）With external admission hole（226）It can be hammered into shape respectively with clustering ring（300）Air inlet pipe（301）With
Escape pipe（319）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820222373.7U CN207879247U (en) | 2018-02-08 | 2018-02-08 | It combines reducing and sprays Pump breath countercirculate boundling down-hole hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820222373.7U CN207879247U (en) | 2018-02-08 | 2018-02-08 | It combines reducing and sprays Pump breath countercirculate boundling down-hole hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207879247U true CN207879247U (en) | 2018-09-18 |
Family
ID=63509342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820222373.7U Expired - Fee Related CN207879247U (en) | 2018-02-08 | 2018-02-08 | It combines reducing and sprays Pump breath countercirculate boundling down-hole hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207879247U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184571A (en) * | 2018-11-15 | 2019-01-11 | 中国地质大学（武汉） | A kind of horizontal directional drill injector formula reacting cycle reamer and system |
| CN111550179A (en) * | 2020-05-22 | 2020-08-18 | 杨忠财 | Rock-socketed wall forming system and method for continuous wall |
| CN116677312A (en) * | 2023-07-14 | 2023-09-01 | 亚核智造(江苏)科技有限公司 | Annular cutting type pneumatic impact drilling tool |
-
2018
- 2018-02-08 CN CN201820222373.7U patent/CN207879247U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184571A (en) * | 2018-11-15 | 2019-01-11 | 中国地质大学（武汉） | A kind of horizontal directional drill injector formula reacting cycle reamer and system |
| CN111550179A (en) * | 2020-05-22 | 2020-08-18 | 杨忠财 | Rock-socketed wall forming system and method for continuous wall |
| CN116677312A (en) * | 2023-07-14 | 2023-09-01 | 亚核智造(江苏)科技有限公司 | Annular cutting type pneumatic impact drilling tool |
| CN116677312B (en) * | 2023-07-14 | 2024-01-30 | 亚核智造(江苏)科技有限公司 | Annular cutting type pneumatic impact drilling tool |
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