CN104499935B - Reaming reacting cycle cluster type down-hole hammer - Google Patents
Reaming reacting cycle cluster type down-hole hammer Download PDFInfo
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- CN104499935B CN104499935B CN201410747538.9A CN201410747538A CN104499935B CN 104499935 B CN104499935 B CN 104499935B CN 201410747538 A CN201410747538 A CN 201410747538A CN 104499935 B CN104499935 B CN 104499935B
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- hole hammer
- sealing
- outer tube
- connection
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- 238000007789 sealing Methods 0.000 claims abstract description 34
- 238000003801 milling Methods 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 6
- 239000003351 stiffener Substances 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 239000011435 rock Substances 0.000 abstract description 6
- 230000013011 mating Effects 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 description 31
- 238000000034 method Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008398 formation water Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of reaming reacting cycle cluster type down-hole hammers, including：Top connection, inner tube, outer tube, gas distributing chamber, pneumatic down-hole hammer, central tube, the fixed disk of sealing, it is arranged top connection, outer tube outside said inner tube successively from top to bottom, the connector is connect with outer tube, said inner tube lower end is connect with central tube, the outer tube top is arranged gas distributing chamber, the central tube lower part is arranged the fixed disk of sealing, several pneumatic down-hole hammers are provided between the gas distributing chamber and the fixed disk of sealing.After the present invention is connect with mating double wall drill tool system, during rock section reaming is crept into, reacting cycle channel can be formed in hole, reacting cycle deslagging is realized, the efficient detritus advantage of pneumatic down-hole hammer is given full play to reach.
Description
Technical field
The invention belongs to drilling equipment technical fields, and in particular to a kind of reaming reacting cycle cluster type down-hole hammer.
Background technology
Drilling Technology of Airdriven DTH Hammer has the characteristics that efficient detritus, at present in oil-gas exploration, ore exploration, foundation pile
The fields such as base probing have obtained relatively broad application.
The application that Drilling Technology of Airdriven DTH Hammer rescues field in mine emergency is also always the direction that industry is made great efforts, especially
It is in the Chilean big rescue of copper mine mine disaster in 2010, after the downhole area where pilot hole and trapped person is got through, when reaming adopts
Reaming drilling is carried out with major diameter cluster type down-hole hammer, the landwaste to get off is crushed and falls into tunnel, trapped person along pilot hole
Then scarfing cinder is coordinated to work below drilling, excellent performance of the major diameter cluster type down-hole hammer in rock section reaming drilling, greatly
Ground shortens the Completion of Drilling Hole period, plays positive effect to Expedite the application rescue action, this also makes domestic relevant industries to this
The concern of bigger of Technical investment.
But in many mining areas, mineral deposit superstratum usually contains one or more snippets water-bearing layer, if pilot hole in advance with
Tunnel is got through, then water flooding can enter tunnel along pilot hole, if water flooding is larger cannot then to indiscriminately imitate Chilean copper mine hardly possible at this time
Relief wellbore arrangement and method for construction；And pilot hole is not got through in advance with tunnel, then since the bore diameter finally required is very big, using gas
Dynamic down-hole hammer direct circulation drilling, for smooth deslagging, needs hundreds of m3The gas injection rate of/min, and with the increase of drilling depth,
Or formation water production increases, required gas injection rate sharply increases, and pole is proposed to drilling machine, air compressor machine, supercharger and drilling tool
For harsh requirement, it is more seriously a large amount of on return high-speed flow drilling upper formation is washed away it is very important, even not
It is soluble, it is easy to cause drilling accident.Therefore, under this working condition, to utilize the efficient broken of pneumatic down-hole hammer
The advantage of rock is best selection using Major diameter downhole hammer reverse circulation drilling.
According to disclosure, domestic major diameter reverse circulation down-the-hole hammer product mainly has：Single head major diameter wet type reacting cycle down-the-hole
Hammer (FGC-15 types, FGC-15B types), major diameter combination cluster pneumatic down hole hammer (FC-312 types), the through down-the-hole of major diameter into shape
Hammer (maximum gauge be Ф 660mm), the above major diameter reverse circulation down-the-hole hammer are all tunneling boring down-hole hammers, and when construction may bore
Partially, what aforementioned two kinds of major diameter reverse circulation down-the-hole hammer was mating is the drilling tool of multichannel flange join type, adjunction drilling tool
When the time required to it is long.
Invention content
To solve existing technical problem, the embodiment of the present invention provides a kind of reaming reacting cycle cluster type down-the-hole
Hammer.
In order to achieve the above objectives, the technical solution of the embodiment of the present invention is realized in：
The embodiment of the present invention provides a kind of reaming reacting cycle cluster type down-hole hammer, which includes：It is top connection, interior
Disk is fixed in pipe, outer tube, gas distributing chamber, pneumatic down-hole hammer, central tube, sealing, is arranged and is connect successively from top to bottom outside said inner tube
Head, outer tube, the connector are connect with outer tube, and said inner tube lower end is connect with central tube, and the outer tube top is arranged gas distributing chamber, institute
It states central tube lower part and is arranged the fixed disk of sealing, several pneumatic down-hole hammers are provided between the gas distributing chamber and the fixed disk of sealing.
In said program, the gas distributing chamber includes upper connective plate, lower linking plate, side pillar, and the upper connective plate and lower linking plate pass through
Side pillar connection, the upper connective plate and lower linking plate are provided centrally with the first centre bore, and the outer tube is arranged in the first centre bore
Interior, the lower linking plate is provided with several the first holes, and down-hole hammer connector is provided in first hole, the down-hole hammer connector
Lower end and the upper end of pneumatic down-hole hammer connect, and the side of the gas distributing chamber is continuously welded with the first Z-shaped that height is not more than 2mm
Wear-resistant strip.
In said program, the side pillar alternate is welded by the circular arc of two kinds of different size diameters.
In said program, the first line of a couplet plate top surface is connect by several correcting stiffener plates with outer tube.
In said program, the central tube lower part is connect with one end of deslagging bend pipe, the other end of the deslagging bend pipe with
The fixed disk connection of sealing.
In said program, the upper end of the top connection is female thread, and lower end is pin thread, and lower outside is provided with two pair of first milling
It is flat.
In said program, the upper end of the outer tube is female thread, and lower end is female thread, and upper outside is provided with two pair of second milling
Flat, middle part is equipped with several air admission holes.
In said program, the upper and lower ends of said inner tube are socket connection structure, and it is O-shaped close to be respectively equipped with twice
Seal slot, and there are several wiper blocks at both ends.
In said program, the upper end of the central tube is pin thread, and lower end is female thread, and grafting is plugged on the inside of the pin thread
Formula structure, middle part are provided with several height not equal inclined hole.
In said program, the fixed disk of sealing is provided centrally with the second centre bore, on the outside of second centre bore
The second hole provided circumferentially about for having several for being connect with down-hole hammer connector lower end, the sealing are fixed on disk and are additionally provided with use
It is continuously welded with the second Z-shaped that height is not more than 2mm in the side in the third hole of connection deslagging bend pipe, the fixed disk of sealing
Several apertures for installing hard alloy are laid in wear-resistant strip, bottom.
Compared with prior art, beneficial effects of the present invention：
Compared with major diameter direct circulation down-hole hammer, the present invention injects air capacity and depends on pneumatic down-hole hammer normal work the present invention
Make institute's air demand, significantly reduce injected air supply, reduces to drilling machine, air compressor machine, supercharger and drilling tool system
The requirement of system etc.；
The present invention combines composition big cross section major diameter compared with monomer major diameter reverse circulation down-the-hole hammer, by small-sized down-hole hammer and applies
No matter work drilling tool say in terms of mechanical processing, the difficulty of heat treatment process, or in terms of cost, the later maintenance cost for,
All it is that there is apparent advantage.
Description of the drawings
Fig. 1 is a kind of sectional view of reaming reacting cycle cluster type down-hole hammer provided in an embodiment of the present invention；
Fig. 2 is a kind of top connection structural representation of reaming reacting cycle cluster type down-hole hammer provided in an embodiment of the present invention
Figure；
Fig. 3 is a kind of outer tube structure schematic diagram of reaming reacting cycle cluster type down-hole hammer provided in an embodiment of the present invention；
Fig. 4 is a kind of inner tube structure schematic diagram of reaming reacting cycle cluster type down-hole hammer provided in an embodiment of the present invention；
Fig. 5 is a kind of center tube structure signal of reaming reacting cycle cluster type down-hole hammer provided in an embodiment of the present invention
Figure；
Fig. 6 is a kind of side view of the distribution cell structure of reaming reacting cycle cluster type down-hole hammer provided in an embodiment of the present invention
Figure；
Fig. 7 is a kind of vertical view of the distribution cell structure of reaming reacting cycle cluster type down-hole hammer provided in an embodiment of the present invention
Figure；
Fig. 8 is a kind of solid of the distribution cell structure of reaming reacting cycle cluster type down-hole hammer provided in an embodiment of the present invention
Figure；
Fig. 9 is that a kind of down-hole hammer joint structure of reaming reacting cycle cluster type down-hole hammer provided in an embodiment of the present invention shows
It is intended to；
Figure 10 is that a kind of deslagging bend pipe structure of reaming reacting cycle cluster type down-hole hammer provided in an embodiment of the present invention shows
It is intended to；
Figure 11 is that a kind of reaming provided in an embodiment of the present invention fixes dish structure with the sealing of reacting cycle cluster type down-hole hammer
Schematic diagram；
Figure 12 is a kind of cuing open for the fixed disk of sealing of reaming reacting cycle cluster type down-hole hammer provided in an embodiment of the present invention
View；
Figure 13 is a kind of side of the fixed disk of sealing of reaming reacting cycle cluster type down-hole hammer provided in an embodiment of the present invention
View；
Figure 14 is a kind of bowing for the fixed disk of sealing of reaming reacting cycle cluster type down-hole hammer provided in an embodiment of the present invention
View.
Figure label and symbol description：1, top connection；2, inner tube；3, outer tube；4, plate muscle is reinforced in correcting；5, gas distributing chamber；6、
Down-hole hammer connector；7, pneumatic down-hole hammer；8, central tube；9, deslagging bend pipe；10, fixed disk is sealed；11, air admission hole；12, the first milling
It is flat；13, the second milling is flat；14, first of O-shaped seal groove；17, the O-shaped seal groove of second；15,16, wiper block；18, grafting；19、
Inclined hole；501, upper connective plate；503, side pillar；502, lower linking plate；504, the first centre bore；505, the first hole；506, the first Z-shaped
Wear-resistant strip；101, the second centre bore；102, the second hole；103, third hole；104, the second Z-shaped wear-resistant strip.
Specific implementation mode
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
The embodiment of the present invention provides a kind of reaming reacting cycle cluster type down-hole hammer, as shown in Fig. 1~14, the down-hole hammer packet
It includes：Top connection 1, outer tube 3, gas distributing chamber 5, pneumatic down-hole hammer 7, central tube 8, seals and fixes disk 10 inner tube 2, outside said inner tube 2
It is arranged top connection 1, outer tube 3 successively from top to bottom, the connector 1 is connect with outer tube 3, and 2 lower end of said inner tube connects with central tube 8
It connects, 3 top of the outer tube is arranged gas distributing chamber 5, and 8 lower part of the central tube is arranged the fixed disk 10 of sealing, the gas distributing chamber 5 and sealing
It is provided with several pneumatic down-hole hammers 7 between fixed disk 10.
The impactor outer diameter Ф 181mm of the pneumatic down-hole hammer 7, bit diameter Ф 215.9mm, connector button-type is 4A11.
As can be seen from figures 6 to 8, the gas distributing chamber 5 includes upper connective plate 501, lower linking plate 502, side pillar 503, the upper connective plate
501 and lower linking plate 502 connected by side pillar 503, the upper connective plate 501 and lower linking plate 502 are provided centrally with the first center
Hole 504, the outer tube 3 are arranged in the first centre bore 504, and the lower linking plate 502 is provided with several the first holes 505, described
Down-hole hammer connector 6 is provided in first hole 505, the lower end of the down-hole hammer connector 6 is connect with the upper end of pneumatic down-hole hammer 7；
5 side of gas distributing chamber is continuously welded with the first Z-shaped wear-resistant strip 506 of height 2mm, and 5 material of the gas distributing chamber selects Q235 solderable
Property the processing of preferable conventional steels.
The selection of down-hole hammer connector 6 meets SY/T5290-2000 joint of petroleum drill rod standards, and button-type 4A10 connects
The a diameter of Ф 127mm of neck are welded in head outer diameter Ф 168.3mm, tail portion.
501 top surface of the upper connective plate is connect by several correcting stiffener plates 4 with outer tube 3.The correcting stiffener plate 4
For triangular shaped, width 30mm at a right angle, two right-angle sides are respectively welded in 5 upper connective plate 501 of gas distributing chamber, 3 lateral wall of outer tube,
Wherein shorter edge length is 200mm, is welded on the upper connective plate 501 of gas distributing chamber 5, and longer sides length is 400mm, is welded on outer tube 3
On lateral wall, material is Q235 planks.
8 lower part of the central tube is connect with one end of deslagging bend pipe 9, and the other end and the sealing of the deslagging bend pipe 9 are fixed
Disk 10 connects.The deslagging bend pipe 9 is arranged 3, is bent according to a certain percentage by Ф 73mm seamless steel pipes, length difference
For：568mm, 750mm, 980mm, corresponding bending ratio are respectively：0.49:1、0.80:1、0.98:1.
As shown in Fig. 2, the upper end of the top connection 1 is female thread, lower end is pin thread, and lower outside is provided with two pair of first milling
Flat 12；Tubing is Ф 177.8mm drill collars (4145H or 40CrMo), and former pipe internal diameter is expanded from Ф 71.4mm to Ф 90mm.
As shown in figure 3, the upper end of the outer tube 3 is female thread, lower end is female thread, and it is flat that upper outside is provided with two pair of second milling
13, middle part is equipped with several air admission holes 11；Tubing is Ф 177.8mm drill collars (4145H or 40CrMo), by former pipe internal diameter from Ф
71.4mm expands to Ф 90mm.
As shown in figure 4, the upper and lower ends of said inner tube 2 are socket connection structure, and be respectively equipped with first it is O-shaped
Seal groove 14, second O-ring seal slot 17, and both ends are respectively arranged with the first wiper block 15, the second wiper block 16；Tubing
Material Q235 steel, outer diameter are Ф 80mm.
As shown in figure 5, the upper end of the central tube 8 is pin thread, lower end is female thread, and the grafting 18 on the inside of the pin thread is slotting
Formula structure is connect, middle part is provided with several height not equal inclined hole 19；Tubing is Ф 177.8mm drill collars (4145H or 40CrMo)
As shown in Figure 11~14, the sealing fixation disk 10 is provided centrally with the second centre bore 101, in described second
Several the second holes 102 for being connect with 6 lower end of down-hole hammer connector are provided in 101 outer circumference of heart hole, the sealing is solid
The third hole 103 for connecting deslagging bend pipe 9 is additionally provided on price fixing 10, the side that disk 10 is fixed in the sealing is continuously welded with
Height is not more than the second Z-shaped wear-resistant strip 104 of 2mm, 10 lower face of sealing fixation disk be designed with several aperture Ф 15mm,
The hard alloy hole 105 of hole depth 10mm, column tooth of its proud exposure no more than down-hole hammer drilling after hard alloy cylinder is packed into
Spherical surface acts on main agitation bottom hole detritus powder, clast, is allowed to be detached from from bottom hole rock surface, and can prevent shale layer from meeting water
Mud stone is condensed into blocks when drilling.
The pin thread of 1 lower end of the top connection is threadedly coupled with the female thread of 3 upper end of outer tube；The outer tube 3 passes through gas distributing chamber 5
First centre bore 504 makes 11 position of air admission hole of outer tube 3 be in inside gas distributing chamber 5, and the outer tube 3 is with gas distributing chamber 5 in first
About 504 both sides of heart hole connect with welding, and the female thread of 3 lower end of the outer tube is threadedly coupled with the pin thread of 8 upper end of central tube；It is described
The wiper block 15 of 2 top of inner tube setting is in contact with 1 inside of top connection, the wiper block 16 and outer tube 3 of the setting of 2 lower part of said inner tube
Lower inside is in contact, and 2 lower end of said inner tube is connect on the inside of the pin thread of 8 upper end of central tube with inserting mode；The central tube 8
It is welded through several inclined holes in middle part 19 and 9 grafting of deslagging bend pipe and outer ring, 8 lower end of the central tube passes through the of the fixed disk of sealing 10
Two centre bores 101, the central tube 8 are connected with welding with the fixed disk 10 of sealing in about 101 both sides of the second centre bore；It is described to match
Formula welding is inserted with down-hole hammer connector 6 in several first holes 505 on the lower linking plate 502 of gas chamber 5；The pneumatic down-hole hammer 7 passes through close
The second hole 102 on sealing price fixing 10 is threadedly coupled with down-hole hammer connector 6；9 upper end of deslagging bend pipe and 8 inclined hole 19 of central tube
Plug connection, the third hole 103 that lower end is fixed with sealing on disk 10 are welded to connect with inserting formula；The correcting stiffener plate 4 with it is outer
Pipe 3, gas distributing chamber's 5 upper connective plate 502 welding.
The design seperated with central tube 8 of the outer tube 3,18 plug in construction of inside is set on the inside of 8 pin thread of central tube
Place, efficiently solves since outer length of tube is excessive, cannot be ensured in mechanical processing process to the same of 18 plug in construction of inside
The problem of heart degree, roughness design requirement has ensured the fitted seal effect of itself and 2 lower end plug in construction of inner tube, greatly drops
The difficulty of low mechanical processing；
It is described be oriented to reinforce the design of plate muscle 4,5 plum blossom-shaped structure design of gas distributing chamber and its design of side wear-resistant strip 506, with
And the design of sealing 10 side wear-resistant strip 104 of fixed disk, there is following major technique advantage：It can ensure in drilling process
The mud stone hole section for passing through easy undergauge avoids 5 upper connective plate of cluster type down-hole hammer gas distributing chamber, 501 card resistance mounted on drilling top
The lower end edge of hole section casing, and the eccentric wear of cluster type down-hole hammer in drilling process is avoided, improve its service life.
The bottom of the present invention can directly be threadedly coupled the starter being adapted with pilot hole, to ensure reaming drilling not
Former drilling track, and the design that starter is dismountable can be deviateed, facilitate the quick-replaceable of later stage single down-hole hammer.
After the present invention is connect with mating double wall drill tool system, during rock section reaming is crept into, it can be formed in hole anti-
Circulation canal realizes reacting cycle deslagging, to achieve the purpose that give full play to the efficient detritus advantage of pneumatic down-hole hammer.
When drilling, it is as follows that bottom hole reacting cycle forms channel：
Before drilling tool tripping in bottom hole, 8 lower thread of the central tube connects tri- gear wheel starter of Ф 311mm, in top connection 1
Portion is threadedly coupled Ф 127mm/ Ф 70mm double-wall drill pipes；Drilling tool is after bottom hole, and the compressed gas of downlink is from top connection 1, outer tube 3
The stomata that is equipped with through 3 lower part of outer tube of annular gap constituted with inner tube 2 enters gas distributing chamber 5, then by multiple down-hole hammer connectors 6 into
Enter pneumatic down-hole hammer 7 and drives down-hole hammer efficiency crushing bottom hole rock, drill bit stomata spray of the exhaust gas after work through pneumatic down-hole hammer 7
Go out, due to the gap very little of sealing fixed disk 10 and drilling, exhaust gas cutting carring enters scum pipe 9, through central tube 8, inner tube 2 into
Enter in the double-wall drill pipe inner tube being threadedly coupled with top connection 1, carries outer to drilling.
Claims (1)
1. a kind of reaming reacting cycle cluster type down-hole hammer, which is characterized in that the down-hole hammer includes：Top connection（1）, inner tube（2）、
Outer tube（3）, gas distributing chamber（5）, pneumatic down-hole hammer（7）, central tube（8）, the fixed disk of sealing（10）, said inner tube（2）Outside is from upper
It is arranged top connection successively under（1）, outer tube（3）, the connector（1）With outer tube（3）Connection, said inner tube（2）Lower end and center
Pipe（8）Connection, the outer tube（3）Top is arranged gas distributing chamber（5）, the central tube（8）Lower part is arranged the fixed disk of sealing（10）, institute
State gas distributing chamber（5）With the fixed disk of sealing（10）Between be provided with several pneumatic down-hole hammers（7）, the gas distributing chamber（5）For plum
Flower-like structure；
The gas distributing chamber（5）Including upper connective plate（501）, lower linking plate（502）, side pillar（503）, the upper connective plate（501）With under
Yoke plate（502）Pass through side pillar（503）Connection, the upper connective plate（501）And lower linking plate（502）Be provided centrally with the first center
Hole（504）, the outer tube（3）It is arranged in the first centre bore（504）It is interior, the lower linking plate（502）It is provided with several the first holes
（505）, first hole（505）Inside it is provided with down-hole hammer connector（6）, the down-hole hammer connector（6）Lower end and aeratic hidden hole
Hammer（7）Upper end connection, the gas distributing chamber（5）Side be continuously welded with height be not more than 2mm the first Z-shaped wear-resistant strip
（506）；
The side pillar（503）It is welded by the circular arc of two kinds of different size diameters is alternate；
The upper connective plate（501）Top surface passes through several correcting stiffener plates（4）With outer tube（3）Connection；
The central tube（8）Lower part and deslagging bend pipe（9）One end connection, the deslagging bend pipe（9）The other end and sealing it is solid
Price fixing（10）Connection；
The top connection（1）Upper end be female thread, lower end is pin thread, and it is flat that lower outside is provided with two pair of first milling（12）；
The outer tube（3）Upper end be female thread, lower end is female thread, and it is flat that upper outside is provided with two pair of second milling（13）, middle part is set
There are several air admission holes（11）；
Said inner tube（2）Upper and lower ends be socket connection structure, and be respectively equipped with twice O-ring seal slot, and two
There are several wiper blocks at end；
The central tube（8）Upper end be pin thread, lower end is female thread, and plug in construction, middle part are plugged on the inside of the pin thread
It is provided with several height not equal inclined hole（19）；
Disk is fixed in the sealing（10）Be provided centrally with the second centre bore（101）, in second centre bore（101）Justify in outside
Several are provided on week to be used for and down-hole hammer connector（6）Second hole of lower end connection（102）, the sealing fixation disk（10）On
It is additionally provided with for connecting deslagging bend pipe（9）Third hole（103）, the sealing fixation disk（10）Side be continuously welded with height
Second Z-shaped wear-resistant strip of the degree no more than 2mm（104）, several apertures for installing hard alloy are laid in bottom（105）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410747538.9A CN104499935B (en) | 2014-12-08 | 2014-12-08 | Reaming reacting cycle cluster type down-hole hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410747538.9A CN104499935B (en) | 2014-12-08 | 2014-12-08 | Reaming reacting cycle cluster type down-hole hammer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104499935A CN104499935A (en) | 2015-04-08 |
| CN104499935B true CN104499935B (en) | 2018-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410747538.9A Active CN104499935B (en) | 2014-12-08 | 2014-12-08 | Reaming reacting cycle cluster type down-hole hammer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829685B (en) * | 2017-10-10 | 2023-12-19 | 苏州工业园区科艺通信设备有限公司 | Pneumatic full-section rock reamer of directional drilling machine and reaming process thereof |
| CN107724970A (en) * | 2017-11-07 | 2018-02-23 | 北京泰利新能源科技发展有限公司 | A kind of down-hole hammer crossover sub, down-hole hammer drilling rod and down-hole hammer |
| CN110593763B (en) * | 2019-08-26 | 2021-03-16 | 中煤科工集团西安研究院有限公司 | Closed-air circulation through type mud protection wall cluster type down-the-hole hammer for hole expansion and method |
| CN110644928B (en) * | 2019-10-11 | 2021-12-03 | 中煤科工集团西安研究院有限公司 | Drill bit positioning device of cluster type reverse circulation down-the-hole hammer and down-the-hole hammer thereof |
| CN114370277B (en) * | 2021-11-30 | 2023-08-01 | 中南大学 | Self-driven tunneling device for newly-opened rescue tunnel |
| CN115788280B (en) * | 2022-11-18 | 2023-09-26 | 浩洲钻科工程机械(山东)有限公司 | Independent multi-channel full-hole reverse circulation bundling type down-the-hole hammer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201786252U (en) * | 2010-09-30 | 2011-04-06 | 湖南山河智能机械股份有限公司 | Rotation-revolution combined down-hole hammer |
| CN201786251U (en) * | 2010-09-30 | 2011-04-06 | 湖南山河智能机械股份有限公司 | A combined down-hole hammer |
| KR20140006421A (en) * | 2012-07-05 | 2014-01-16 | (주)하이탑 | Cluster hammer having automatic ascending and descending device |
| CN203531746U (en) * | 2013-09-16 | 2014-04-09 | 陕西省煤田地质局一三九队 | Bunched type reverse circulation pneumatic down-hole hammer |
| CN203925323U (en) * | 2014-05-29 | 2014-11-05 | 贵州航天天马机电科技有限公司 | A kind of large diameter combined down-hole hammer drilling rod |
| CN204326956U (en) * | 2014-12-08 | 2015-05-13 | 中煤科工集团西安研究院有限公司 | A kind of reaming reacting cycle cluster type down-hole hammer |
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| CN201786251U (en) * | 2010-09-30 | 2011-04-06 | 湖南山河智能机械股份有限公司 | A combined down-hole hammer |
| KR20140006421A (en) * | 2012-07-05 | 2014-01-16 | (주)하이탑 | Cluster hammer having automatic ascending and descending device |
| CN203531746U (en) * | 2013-09-16 | 2014-04-09 | 陕西省煤田地质局一三九队 | Bunched type reverse circulation pneumatic down-hole hammer |
| CN203925323U (en) * | 2014-05-29 | 2014-11-05 | 贵州航天天马机电科技有限公司 | A kind of large diameter combined down-hole hammer drilling rod |
| CN204326956U (en) * | 2014-12-08 | 2015-05-13 | 中煤科工集团西安研究院有限公司 | A kind of reaming reacting cycle cluster type down-hole hammer |
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| CN104499935A (en) | 2015-04-08 |
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