CN104727744A - Working device special for construction of dive-hole hammer of rotary drilling jig - Google Patents
Working device special for construction of dive-hole hammer of rotary drilling jig Download PDFInfo
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- CN104727744A CN104727744A CN201510089281.7A CN201510089281A CN104727744A CN 104727744 A CN104727744 A CN 104727744A CN 201510089281 A CN201510089281 A CN 201510089281A CN 104727744 A CN104727744 A CN 104727744A
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- hole hammer
- drill pipe
- square
- pipe
- hole
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- 238000005553 drilling Methods 0.000 title claims abstract description 96
- 238000010276 construction Methods 0.000 title claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 244000261422 Lysimachia clethroides Species 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 47
- 230000000712 assembly Effects 0.000 claims description 19
- 238000000429 assembly Methods 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 18
- 230000007704 transition Effects 0.000 claims description 11
- 239000002893 slag Substances 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 8
- 239000011435 rock Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 3
- 206010016256 fatigue Diseases 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 102000016938 Catalase Human genes 0.000 description 1
- 108010053835 Catalase Proteins 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/18—Pipes provided with plural fluid passages
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/16—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using gaseous fluids
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- 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 working device special for construction of a dive-hole hammer of a rotary drilling jig. The working device comprises a drilling jig drilling mast (3), a gooseneck boom installed at the top end of the drilling jig drilling mast, a steel wire rope (1) winding around the gooseneck boom, an elevator (2), a supporting frame (4), a faucet (5), a long drilling rod (6), a short drilling rod (7) and the dive-hole hammer (8). The output end of the steel wire rope is connected with the upper end of the supporting frame through the elevator capable of rotating. The lower end of the supporting frame is connected with the faucet. The faucet, the long drilling rod and the short drilling rod are each internally provided with dive-hole hammer gas supply, gas lift reverse circulation gas supply and deslagging pipelines and are sequentially connected; after the faucet, the long drilling rod and the short drilling rod are connected, the pipelines in all the parts are communicated. The lower end of the short drilling rod is connected with the dive-hole hammer. According to the device, the dive-hole hammer, the faucet and a drilling rod accompanying rack are combined into one, and different construction methods can be switched fast; moreover, the drilling rods are directly connected to the drilling rod accompanying rack, the drilling rods can be pulled to the topmost end of the drilling jig drilling mast, the number of sections of the drilling rods can be reduced, and the construction cost is reduced.
Description
Technical field
The present invention relates to a kind of down-hole hammer Special working device, specifically a kind ofly to drive with whole down-hole hammer and the rotary drilling rig of transmission device, belong to rotary drilling rig down-hole hammer drives structure technical field.
Background technology
In rotary drilling rig construction, catalase mainly belongs to and shears into rock, and according to the condition of rock shearing fragmentation, rotary drilling rig must possess the high rigidity of high pulling torque, the large plus-pressure effectively transmitted and drilling tool pick and abrasion resistance three factor greatly to realize entering rock smoothly.But due to the restriction of rear two factors, rotary drilling rig efficiency of construction under hard rock operating mode is extremely low; And because the reaction force fluctuation of stratum to equipment is large, and peak value is high, larger to the structural member fatigability infringement of equipment.
Drilling Technology of Airdriven DTH Hammer is the more a kind of drilling technology of domestic and international application, also be the important breakthrough of air drilling technology in detritus method, it is mainly dynamic medium with compressed air, and utilizing compressed-air actuated energy to produce power equipment at the bottom of the hole of repetitive shocks, compressed air can double as hole flushing medium simultaneously.Under usual condition, pneumatic down-hole hammer is directly connected to impact mode detritus with hard alloy columnar teeth drill bit, and low speed turns round total cost management of not coring.If pneumatic down-hole hammer and rotary drilling rig are supported the use, not only can increase substantially drilling efficiency but also hole quality is better, construction cost is low, be suitable for the Rock penetrating of more than medium hardness, particularly creep at competent bed.
Existing pneumatic down-hole hammer divides direct circulation down-hole hammer and reverse circulation down-the-hole hammer, and generally, direct circulation down-hole hammer uses direct circulation construction technology, and reacting cycle hammer uses reverse circulation construction technique.Direct circulation construction technology refers to that driving drilling rod and drill bit to turn round by rig slewing equipment cuts broken ground, then is input into mud from slush pump toward drilling rod, and mud rises along drilling rod hole wall, overflows and flows into mud pit, return circulatory pool through precipitation from aperture.Reverse circulation construction technique refers to that driving drilling rod and drill bit to turn round by rig slewing equipment cuts broken ground, then utilize the measure suction circulation slurry coat methods such as pump suction, gaslift, injection, carry boring mud secretly from the hole forming method drilling rod inner chamber sucking-off hole.
By rotary drilling rig and down-hole hammer with the use of time, due to the design of triple channel structure difficulty, and reverse circulation down-the-hole hammer aperture is less on market, most great talent about 0.3 meter, and direct circulation down-hole hammer largest diameter can to 2 meters, therefore reverse circulation down-the-hole hammer cannot adapt to revolve drilling construction requirement, only have direct circulation down-hole hammer can with rotary drilling rig with the use of.But construct according to direct circulation construction technology, for preventing collapse hole during construction, must arrange full casing sleeve pipe follow-up construction, so not only increase cost, and institute's deslagging is not easy to collect, environment pollution is larger.Utilize reverse circulation construction technique to carry out deslagging and can solve the problem that direct circulation construction technology brings, but how to realize reacting cycle construction when constructing large aperture with direct circulation down-hole hammer be the difficult point that pile foundation industry is not broken through always.
In addition, traditional pneumatic down-hole hammer device is that unit head upper and lower side received respectively by drilling rod and water tap, drives drilling rod by unit head, and on water tap, transfer port and investigation hole are transformed in drilling rod by unit head.Though this structure also can realize rotary drilling rig and pneumatic down-hole hammer with the use of, unit head is changed comparatively large, can not realize common revolving very easily and to dig and pneumatic down-hole hammer revolves the switching between digging.
Summary of the invention
For above-mentioned prior art Problems existing, the invention provides a kind of rotary drilling rig down-hole hammer construction Special working device, down-hole hammer, water tap and drilling rod follow rest are integrated by this device, can switch different construction fast; And because drilling rod is directly received on drilling rod follow rest, drilling rod can be mentioned rig and bore mast topmost, reduces drilling rod joint number, reduces construction cost.
To achieve these goals, the technical solution used in the present invention is, a kind of rotary drilling rig down-hole hammer construction Special working device, comprise rig to bore mast, be arranged on the gooseneck boom that rig bores masthead end and the wire rope be wrapped on gooseneck boom, it is characterized in that, also comprise elevator, bracing frame, water tap, long drill pipe, short drill pipe and down-hole hammer, the output of described wire rope is connected with the upper end of bracing frame by rotatable elevator, and the lower end of bracing frame is connected with water tap; Described water tap is provided with the drilling rod follow rest that can bore mast slip along rig, and is provided with slag-drip opening, gas lift reverse circulation air inlet port and down-hole hammer air supply opening; The inside of described water tap, long drill pipe and short drill pipe is all provided with down-hole hammer air feed, gas lift reverse circulation air feed and deslagging three pipelines, and water tap, long drill pipe and short drill pipe connect successively, and three pipelines after connecting in all parts communicate; The lower end of short drill pipe connects down-hole hammer.
Described water tap comprises three-channel housing assembly, revolving body, the bearing making three-channel housing assembly and revolving body relative motion, the outer six square shaft assemblies of output be connected with revolving body and inner ring is fixed on drilling rod follow rest, outer six square shaft assemblies are fixed in outer ring pivoting support, and described three-channel housing assembly comprises housing I, housing II and housing III; Housing I is provided with scum hole and flange, and construction medium stone and foreign material are discharged by scum hole, and flange is connected with transition body; Transition body lower end and housing II are fixed, and housing II is provided with gas lift reverse circulation supply hole, and gas lift reverse circulation supply hole can provide source of the gas in construction, realizes gas-lift slag discharging; Housing II lower end and housing III are fixed, and housing III is provided with down-hole hammer air inlet, and in construction, down-hole hammer air inlet can be used for providing source of the gas to supply down-hole hammer work.
Described three-channel housing assembly is fixed on drilling rod follow rest, and drilling rod follow rest is provided with bearing and installs seam; The outer ring of described bearing is installed seam with drilling rod follow rest bearing and is coordinated, and inner ring coordinates with revolving body to be installed, and three-channel housing assembly and drilling rod follow rest are not rotated; Be provided with the rotatory sealing preventing source of the gas from leaking for sealing each passage between revolving body and three-channel housing assembly, making between revolving body and three-channel housing assembly can relative motion mutually; Revolving body is connected with outer six square shaft assemblies, and outer six square shaft assemblies are designed with installing hole, and outer six square shaft assemblies can be made to be connected with pivoting support outer ring, and pivoting support inner ring is fixed on drilling rod follow rest; Outer six square shaft assemblies be provided with six square joints in long drill pipe end with the use of outer six square joints.
Described short drill pipe comprises short drill pipe body, supply air line and dreg removing system; The upper end of described short drill pipe body is provided with interior six square joints, and lower end is provided with outer six square joints; The gaslift supply pipe be communicated with interior six square joints I for gas-lift slag discharging is provided with in described short drill pipe body; Described supply air line comprises air inlet pipe I, adapter cavity and curved air inlet pipe II, and air inlet pipe I upper end is communicated with interior six square joints by adapter cavity, and air inlet pipe I lower end connects curved air inlet pipe II by adapter cavity, and curved air inlet pipe II is communicated with outer six square joints; Described dreg removing system comprises mud hole and scum pipe a, and described scum pipe a is arranged in short drill pipe body, and is communicated with interior six square joints, and short drill pipe body bottom offers some mud holes be communicated with scum pipe a.
Described short drill pipe body lower part periphery is provided with casing, and casing is arranged with the guard shield for collecting slag.
Described long drill pipe comprises the outer bar of hollow, the two ends of described outer bar are connected with interior six square joints of centre bore and outer six square joints respectively, be equipped with steel-tube seat in the centre bore of described inside and outside six square joints, on inside and outside six square joints, the periphery of centre bore has oval hole slot; Inside described outer bar, two ends are provided with the cylindrical transition chamber concentric with outer bar, and described outer bar inner sleeve has the first steel pipe placed with one heart and traverse two sections of adapter cavities, and the two ends of the first steel pipe are docked with the centre bore of inside and outside six square joints respectively; The second steel pipe of connection two sections of adapter cavities is furnished with in ring-shaped cylinder cavity between described outer bar and the first steel pipe; Be furnished with the 3rd steel pipe crossing the first steel pipe in described first steel pipe, the steel-tube seat in interior six square joint centre bores is inserted in one end of described 3rd steel pipe, and the other end passes the steel-tube seat in outer six square joint centre bores; Described two sections of adapter cavities are communicated with the oval hole slot on inside and outside six square joints respectively; The oval hole slot of described inside and outside six square joints, adapter cavity and the second steel pipe form down-hole hammer supply air line; The steel-tube seat of described 3rd steel pipe and inside and outside six square joints forms gas lift reverse circulation pipeline; The centre bore of described inside and outside six square joints and the cavity between the first steel pipe and the 3rd steel pipe form deslagging pipeline.
Described wire rope is linked together with described elevator by the bearing pin I be arranged on described elevator; And described bearing pin I is provided with cottor pin I, is provided with jump ring I in cottor pin I; The described elevator other end is linked together by pin shaft II and support frame as described above, and described pin shaft II is provided with cottor pin II, is provided with jump ring II in cottor pin II.
Support frame as described above is linked together by pin shaft III and described water tap, and pin shaft III is provided with the round nut of locking function.
The link of described water tap, long drill pipe and short drill pipe is all provided with inside and outside six square joints of coupling mutually, and described water tap is connected by a pair inside and outside six square joint being arranged on respective end with between long drill pipe, between long drill pipe with short drill pipe; Respectively pass through pinned connection between inside and outside six square joints.
The sealing ring for ensureing respective line seal is provided with between described inside and outside six square joints.
The invention has the beneficial effects as follows, first, down-hole hammer, water tap and drilling rod follow rest are integrated by this device, conveniently can realize common revolving and to dig and pneumatic down-hole hammer revolves the switching between digging, not change other parts of rotary drilling rig; Secondly, cooperatively interacting between this device, can improve the operating efficiency of rotary drilling rig under hard rock operating mode, and because ground reaction force damages the fatigability of device structure part when can reduce work; Then, this device adopts triple channel multi-function water tap, the relative revolution of water tap internal mechanism, realizes down-hole hammer air feed, gas lift reverse circulation air feed and deslagging except three pipeline independent operatings, external connection structure can with rotary drilling rig perfect cooperation, realize at any time the function of up and down slippage; In addition, owing to being designed with triple channel structure, down-hole hammer reverse circulation two kinds of constructions can be realized; When constructing for direct circulation, reacting cycle air inlet port of can being passed the imperial examinations at the provincial level is shut, and utilizes another two passages to do direct circulation construction.Finally, this apparatus structure is simple, and flexible operation, effectively can reduce job costs, increase economic efficiency.
Accompanying drawing explanation
Fig. 1 is assembling front view of the present invention;
Fig. 2 is wire rope of the present invention and elevator and water tap connection diagram;
Fig. 3 is water tap schematic diagram of the present invention;
Fig. 4 is the sectional view of water tap of the present invention;
Fig. 5 is water tap part-structure schematic diagram of the present invention;
Fig. 6 is water tap of the present invention and long drill pipe schematic diagram;
Fig. 7 is the structural representation of long drill pipe of the present invention;
Fig. 8 is the sectional view of long drill pipe of the present invention;
Fig. 9 be in Fig. 8 A-A to schematic diagram;
Figure 10 be in Fig. 8 B-B to schematic diagram;
Figure 11 is long drill pipe of the present invention and short drill pipe schematic diagram;
Figure 12 is the structural representation of short drill pipe of the present invention;
Figure 13 is the sectional view of short drill pipe of the present invention;
Figure 14 be in Figure 13 A-A to schematic diagram;
Figure 15 is short drill pipe of the present invention and down-hole hammer connection diagram;
Figure 16 is down-hole hammer schematic diagram of the present invention.
In figure, 1, wire rope, 2, elevator, 3, rig bores mast, and 4, bracing frame, 5, water tap, 501, air cavity, 502, sealing, 503, bearing, 504, pivoting support, 505, bolt IV, 506, bolt III, 507, air flue, 508, outer six square shaft assemblies, 509, bolt II, 510, revolving body, 511, bolt I, 512, three-channel housing assembly, 513, housing I, 514, transition body, 515, housing II, 516, housing III, 6, long drill pipe, 61, outer bar, 62, adapter cavity, 63, 3rd steel pipe, 64, second steel pipe, 65, first steel pipe, 7, short drill pipe, 71, short drill pipe, 72, adapter cavity, 73, gaslift supply pipe, 74, air inlet pipe I, 75, casing, 76, guard shield, 77, scum pipe a, 78, curved air inlet pipe II, 79, mud hole, 8, down-hole hammer, 9, bearing pin I, 10, jump ring I, 11, cottor pin I, 12, pin shaft II, 13, jump ring II, 14, cottor pin II, 15, pin shaft III, 16, round nut, 17, slag-drip opening, 18, gas lift reverse circulation air inlet port, 19, down-hole hammer air supply opening, 20, drilling rod follow rest, 21, outer six square joints I, 22, bearing pin IV, 23, interior six square joints I, 24, o type sealing I, 25, outer six square joints II, 26, bearing pin V, 27, o type sealing II, 28, interior six square joints II, 29, outer six square joints III, 30, bearing pin VI, 31, interior six square joints III, 32, o type sealing III.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As depicted in figs. 1 and 2, a kind of rotary drilling rig down-hole hammer construction Special working device, comprise rig to bore mast 3, be arranged on the gooseneck boom that rig bores mast 3 top and the wire rope 1 be wrapped on gooseneck boom, it is characterized in that, also comprise elevator 2, bracing frame 4, water tap 5, long drill pipe 6, short drill pipe 7 and down-hole hammer 8, the output of described wire rope 1 is connected with the upper end of bracing frame 4 by rotatable elevator 2, and the lower end of bracing frame 4 is connected with water tap 5; Described water tap 5 is provided with the drilling rod follow rest 20 that can bore mast 3 slip along rig, and is provided with slag-drip opening 17, gas lift reverse circulation air inlet port 18 and down-hole hammer air supply opening 19; The inside of described water tap 5, long drill pipe 6 and short drill pipe 7 is all provided with down-hole hammer air feed, gas lift reverse circulation air feed and deslagging three pipelines, and water tap 5, long drill pipe 6 and short drill pipe 7 connect successively, and three pipelines after connecting in all parts communicate; The lower end of short drill pipe 7 connects down-hole hammer 8.
Preferably, as shown in Figures 3 to 5, described water tap 5 comprises three-channel housing assembly 512, revolving body 510, the bearing 503 making three-channel housing assembly 512 and revolving body 510 relative motion, the outer six square shaft assemblies 508 of output be connected with revolving body 510 and inner ring is fixed on drilling rod follow rest 20, outer six square shaft assemblies 508 are fixed in outer ring pivoting support 504, and described three-channel housing assembly 512 comprises housing I 513, housing II 515 and housing III 516; Housing I 513 is provided with scum hole and flange, and construction medium stone and foreign material are discharged by scum hole, and flange is connected with transition body 514; Transition body 514 lower end and housing II 515 are fixed, and housing II 515 is provided with gas lift reverse circulation supply hole, and gas lift reverse circulation supply hole can provide source of the gas in construction, realizes gas-lift slag discharging; Housing II 515 lower end and housing III 516 are fixed, and housing III 516 is provided with down-hole hammer air inlet, and in construction, down-hole hammer air inlet can be used for providing source of the gas to supply down-hole hammer work.
Preferably, described three-channel housing assembly 512 is fixed on drilling rod follow rest 20, and drilling rod follow rest 20 is provided with bearing and installs seam; The outer ring of described bearing 503 is installed seam with drilling rod follow rest 20 bearing and is coordinated, and inner ring coordinates with revolving body 510 to be installed, and three-channel housing assembly 512 and drilling rod follow rest 20 are not rotated; Be provided with the rotatory sealing preventing source of the gas from leaking for sealing each passage between revolving body 510 and three-channel housing assembly 512, making between revolving body 510 and three-channel housing assembly 512 can relative motion mutually; Revolving body 510 is connected with outer six square shaft assemblies 508, and outer six square shaft assemblies 508 are designed with installing hole, and outer six square shaft assemblies 508 can be made to be connected with pivoting support 504 outer ring, and pivoting support 504 inner ring is fixed on drilling rod follow rest 20; Outer six square shaft assemblies 508 be provided with six square joints in long drill pipe 6 end with the use of outer six square joints.
Preferably, as shown in Figure 12 to 14, described short drill pipe 7 can comprise short drill pipe body 71, supply air line and dreg removing system; The upper end of described short drill pipe body 71 is provided with interior six square joints, and lower end is provided with outer six square joints; The gaslift supply pipe 73 be communicated with interior six square joints I 4 for gas-lift slag discharging is provided with in described short drill pipe body 71; Described supply air line comprises air inlet pipe I 74, adapter cavity 72 and curved air inlet pipe II 78, air inlet pipe I 74 upper end is communicated with interior six square joints by adapter cavity 72, air inlet pipe I 74 lower end connects curved air inlet pipe II 78 by adapter cavity 72, and curved air inlet pipe II 78 is communicated with outer six square joints; Described dreg removing system comprises mud hole 79 and scum pipe a77, and described scum pipe a77 is arranged in short drill pipe body 71, and is communicated with interior six square joints, and short drill pipe body 71 bottom offers some mud holes 79 be communicated with scum pipe a77.Described short drill pipe body 71 lower, outer perimeter is provided with casing 75, and casing 75 is arranged with the guard shield 76 for collecting slag.
Preferably, as shown in Fig. 7 to 10, described long drill pipe 6 can comprise the outer bar 61 of hollow, the two ends of described outer bar 61 are connected with interior six square joints of centre bore and outer six square joints respectively, be equipped with steel-tube seat in the centre bore of described inside and outside six square joints, on inside and outside six square joints, the periphery of centre bore has oval hole slot; Inside described outer bar 61, two ends are provided with the cylindrical transition chamber 62 concentric with outer bar 61, and described outer bar 61 inner sleeve has the two ends of placing with one heart and traversing the first steel pipe 65, first steel pipe 65 of two sections of adapter cavities 62 to dock with the centre bore of inside and outside six square joints respectively; The second steel pipe 64 of connection two sections of adapter cavities 62 is furnished with in ring-shaped cylinder cavity between described outer bar 61 and the first steel pipe 65; Be furnished with the 3rd steel pipe 63 crossing the first steel pipe 65 in described first steel pipe 65, the steel-tube seat in interior six square joint centre bores is inserted in one end of described 3rd steel pipe 63, and the other end passes the steel-tube seat in outer six square joint centre bores; Described two sections of adapter cavities 62 are communicated with the oval hole slot on inside and outside six square joints respectively; The oval hole slot of described inside and outside six square joints, adapter cavity 62 and the second steel pipe 64 form down-hole hammer supply air line; Described 3rd steel pipe 63 forms gas lift reverse circulation pipeline with the steel-tube seat of inside and outside six square joints; The centre bore of described inside and outside six square joints and the cavity between the first steel pipe 65 and the 3rd steel pipe 63 form deslagging pipeline.
Preferably, described wire rope 1 is linked together with described elevator 2 by the bearing pin I 9 be arranged on described elevator 2; And described bearing pin I 9 is provided with cottor pin I 11, is provided with jump ring I 10 in cottor pin I 11; Described elevator 2 other end is linked together by pin shaft II 12 and support frame as described above 4, and described pin shaft II 10 is provided with cottor pin II 14, is provided with jump ring II 13 in cottor pin II 14.Wherein, the connection transition of elevator 2, when can ensure that lower end drilling rod rotates, wire rope 1 keeps vertical non rotating to transfer
Preferably, support frame as described above 4 is linked together by pin shaft III 15 and described water tap 5, and pin shaft III 15 is provided with the round nut 16 of locking function, and bracing frame 4 has had the whole water tap 5 of lifting and with the effect of lower device.Water tap 5 is provided with drilling rod follow rest 20, when down-hole hammer 8 creeps into, drilling rod follow rest 20 can bore mast 3 along rig and slide up and down, and ensure that the guidance quality of whole equipment.
Preferably, the link of described water tap 5, long drill pipe 6, short drill pipe 7 and down-hole hammer 8 is all provided with inside and outside six square joints of coupling mutually, described water tap 5 with between long drill pipe 6, long drill pipe 6 is with short drill pipe 7, be connected by a pair inside and outside six square joint being arranged on respective end between short drill pipe 7 with down-hole hammer 8; Respectively pass through pinned connection between inside and outside six square joints.Wherein, in order to ensure the sealing of junction, sealing ring can be set up between described inside and outside six square joints.
As shown in Figure 3, described water tap 5 lower end is provided with outer six square joints I 21.As shown in Figure 4, long drill pipe 6 upper end is provided with interior six square joints I 23.Described outer six square joints I 21 are coordinated with described interior six square joints I 23 by bearing pin IV 22, and are provided with o type sealing I 24 in the gap that described outer six square joints I 21 and interior six square joints I 23 coordinate.As shown in Figure 5, long drill pipe 6 lower end is provided with outer six square joints II 25.As shown in Figure 6, short drill pipe 7 upper end is installed with interior six square joints II 28.Described outer six square joints II 25 are cooperatively interacted by bearing pin V 26 and interior six square joints II 28, and in the gap that described outer six square joints II 25 coordinate with interior six square joints II 28, are provided with o type seal II 27.As shown in Figure 7, short drill pipe 7 lower end is installed with outer six square joints III 29.As shown in Figure 8 and Figure 9, down-hole hammer 8 upper end is installed with interior six square joints III 31.Described outer six square joints III 29 are cooperatively interacted by bearing pin VI 30 and interior six square joints III 31; And in the gap that described outer six square joints III 29 and interior six square joints III 31 coordinate, o type sealing III 32 is installed.Sealed the radial seal of III 32 by o type sealing I 24, o type sealing II 27 and o type, confined gas in pipeline can be guaranteed.
During work, compressed air enters spigot channel from down-hole hammer air supply opening, enters into down-hole hammer 8 through each jointed rod, short drill pipe, and compressed air can double as hole flushing, lubricant medium simultaneously.Pneumatic down-hole hammer take high-pressure air source as power, bump mode detritus, and low speed turns round total cost management of not coring.The rubble cut enters in short drill pipe by the slag inlet designed in short drill pipe, and meanwhile, gas lift reverse circulation air inlet port enters source of the gas, and the rubble gaslift entered in short drill pipe is entered water tap by each drilling rod, then discharges from water tap slag-drip opening.
In whole device, down-hole hammer air supply opening, act reacting cycle air inlet port and mud hole are mutually through in each junction, and hermetically enclosed by each junction, occur effectively to prevent the problem of leaking gas, becoming flat.
In sum, down-hole hammer, water tap and drilling rod follow rest are integrated by this device, conveniently can realize common revolving and to dig and pneumatic down-hole hammer revolves the switching between digging, not change other parts of rotary drilling rig; Secondly, cooperatively interacting between this device, can improve the operating efficiency of rotary drilling rig under hard rock operating mode, and because ground reaction force damages the fatigability of device structure part when can reduce work; Then, this device adopts triple channel multi-function water tap, the relative revolution of water tap internal mechanism, realizes down-hole hammer air feed, gas lift reverse circulation air feed and deslagging except three pipeline independent operatings, external connection structure can with rotary drilling rig perfect cooperation, realize at any time the function of up and down slippage; In addition, owing to being designed with triple channel structure, down-hole hammer reverse circulation two kinds of constructions can be realized; When constructing for direct circulation, reacting cycle air inlet port of can being passed the imperial examinations at the provincial level is shut, and utilizes another two passages to do direct circulation construction.Finally, this apparatus structure is simple, and flexible operation, effectively reduces job costs, improves economic benefit.
Claims (10)
1. a rotary drilling rig down-hole hammer construction Special working device, comprise rig and bore mast (3), be arranged on the gooseneck boom that rig bores mast (3) top and the wire rope (1) be wrapped on gooseneck boom, it is characterized in that, also comprise elevator (2), bracing frame (4), water tap (5), long drill pipe (6), short drill pipe (7) and down-hole hammer (8), the output of described wire rope (1) is connected with the upper end of bracing frame (4) by rotatable elevator (2), the lower end of bracing frame (4) is connected with water tap (5), described water tap (5) is provided with and can bores along rig the drilling rod follow rest (20) that mast (3) slides, and be provided with slag-drip opening (17), gas lift reverse circulation air inlet port (18) and down-hole hammer air supply opening (19), the inside of described water tap (5), long drill pipe (6) and short drill pipe (7) is all provided with down-hole hammer air feed, gas lift reverse circulation air feed and deslagging three pipelines, water tap (5), long drill pipe (6) and short drill pipe (7) connect successively, and three pipelines after connecting in all parts communicate, the lower end of short drill pipe (7) connects down-hole hammer (8).
2. a kind of rotary drilling rig down-hole hammer construction Special working device according to claim 1, it is characterized in that, described water tap (5) comprises three-channel housing assembly (512), revolving body (510), make the bearing (503) of three-channel housing assembly (512) and revolving body (510) relative motion, the outer six square shaft assemblies (508) of the output be connected with revolving body (510) and inner ring are fixed on drilling rod follow rest (20), the pivoting support (504) of the fixing outer six square shaft assemblies (508) in outer ring, described three-channel housing assembly (512) comprises housing I (513), housing II (515) and housing III (516), housing I (513) is provided with scum hole and flange, and construction medium stone and foreign material are discharged by scum hole, and flange is connected with transition body (514), transition body (514) lower end and housing II (515) are fixed, and housing II (515) is provided with gas lift reverse circulation supply hole, and gas lift reverse circulation supply hole can provide source of the gas in construction, realizes gas-lift slag discharging, housing II (515) lower end and housing III (516) are fixed, and housing III (516) is provided with down-hole hammer air inlet, and in construction, down-hole hammer air inlet can be used for providing source of the gas to supply down-hole hammer work.
3. a kind of rotary drilling rig down-hole hammer construction Special working device according to claim 2, it is characterized in that, described three-channel housing assembly (512) is fixed on drilling rod follow rest (20), and drilling rod follow rest (20) is provided with bearing and installs seam; The outer ring of described bearing (503) is installed seam with drilling rod follow rest (20) bearing and is coordinated, inner ring coordinates with revolving body (510) to be installed, and three-channel housing assembly (512) and drilling rod follow rest (20) are not rotated; Be provided with the rotatory sealing preventing source of the gas from leaking for sealing each passage between revolving body (510) and three-channel housing assembly (512), making between revolving body (510) and three-channel housing assembly (512) can relative motion mutually; Revolving body (510) is connected with outer six square shaft assemblies (508), outer six square shaft assemblies (508) are designed with installing hole, outer six square shaft assemblies (508) can be made to be connected with pivoting support (504) outer ring, and pivoting support (504) inner ring is fixed on drilling rod follow rest (20); Outer six square shaft assemblies (508) be provided with six square joints in long drill pipe (6) end with the use of outer six square joints.
4. a kind of rotary drilling rig down-hole hammer construction Special working device according to claim 1, it is characterized in that, described short drill pipe (7) comprises short drill pipe body (71), supply air line and dreg removing system; The upper end of described short drill pipe body (71) is provided with interior six square joints, and lower end is provided with outer six square joints; The gaslift supply pipe (73) being communicated with interior six square joints I (4) and being used for gas-lift slag discharging is provided with in described short drill pipe body (71); Described supply air line comprises air inlet pipe I (74), adapter cavity (72) and curved air inlet pipe II (78), air inlet pipe I (74) upper end is communicated with interior six square joints by adapter cavity (72), air inlet pipe I (74) lower end connects curved air inlet pipe II (78) by adapter cavity (72), and curved air inlet pipe II (78) is communicated with outer six square joints; Described dreg removing system comprises mud hole (79) and scum pipe a (77), described scum pipe a (77) is arranged in short drill pipe body (71), and be communicated with interior six square joints, short drill pipe body (71) bottom offers some mud holes (79) be communicated with scum pipe a (77).
5. a kind of rotary drilling rig down-hole hammer construction Special working device according to claim 4, it is characterized in that, described short drill pipe body (71) lower, outer perimeter is provided with casing (75), and casing (75) is arranged with the guard shield (76) for collecting slag.
6. a kind of rotary drilling rig down-hole hammer construction Special working device according to claim 1, it is characterized in that, described long drill pipe (6) comprises the outer bar (61) of hollow, the two ends of described outer bar (61) are connected with interior six square joints of centre bore and outer six square joints respectively, be equipped with steel-tube seat in the centre bore of described inside and outside six square joints, on inside and outside six square joints, the periphery of centre bore has oval hole slot; Two ends, described outer bar (61) inner side are provided with the cylindrical transition chamber (62) concentric with outer bar (61), described outer bar (61) inner sleeve has the first steel pipe (65) placed with one heart and traverse two sections of adapter cavities (62), and the two ends of the first steel pipe (65) are docked with the centre bore of inside and outside six square joints respectively; Second steel pipe (64) of connection two sections of adapter cavities (62) is furnished with in ring-shaped cylinder cavity between described outer bar (61) and the first steel pipe (65); The 3rd steel pipe (63) crossing the first steel pipe (65) is furnished with in described first steel pipe (65), the steel-tube seat in interior six square joint centre bores is inserted in one end of described 3rd steel pipe (63), and the other end passes the steel-tube seat in outer six square joint centre bores; Described two sections of adapter cavities (62) are communicated with the oval hole slot on inside and outside six square joints respectively; The oval hole slot of described inside and outside six square joints, adapter cavity (62) and the second steel pipe (64) form down-hole hammer supply air line; Described 3rd steel pipe (63) forms gas lift reverse circulation pipeline with the steel-tube seat of inside and outside six square joints; The centre bore of described inside and outside six square joints and the cavity between the first steel pipe (65) and the 3rd steel pipe (63) form deslagging pipeline.
7. a kind of rotary drilling rig down-hole hammer construction Special working device according to claim 1, it is characterized in that, described wire rope (1) is linked together with described elevator (2) by the bearing pin I (9) be arranged on described elevator (2); And described bearing pin I (9) is provided with cottor pin I (11), is provided with jump ring I (10) in cottor pin I (11); Described elevator (2) other end is linked together by pin shaft II (12) and support frame as described above (4), and described pin shaft II (10) is provided with cottor pin II (14), jump ring II (13) is installed in cottor pin II (14).
8. a kind of rotary drilling rig down-hole hammer construction Special working device according to claim 1, it is characterized in that, support frame as described above (4) is linked together by pin shaft III (15) and described water tap (5), and pin shaft III (15) is provided with the round nut (16) of locking function.
9. a kind of rotary drilling rig down-hole hammer construction Special working device according to claim 1 or 4, it is characterized in that, the link of described water tap (5), long drill pipe (6) and short drill pipe (7) is all provided with inside and outside six square joints of coupling mutually, and a pair inside and outside six square joint by being arranged on respective end between described water tap (5) with long drill pipe (6), between long drill pipe (6) with short drill pipe (7) are connected; Respectively pass through pinned connection between inside and outside six square joints.
10. a kind of rotary drilling rig down-hole hammer construction Special working device according to claim 9, is characterized in that, being provided with the sealing ring for ensureing respective line seal between described inside and outside six square joints.
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| CN109611044A (en) * | 2019-01-24 | 2019-04-12 | 河北永明地质工程机械有限公司 | Rotary drilling rig tap |
| CN112443283A (en) * | 2020-11-13 | 2021-03-05 | 中国人民解放军陆军工程大学 | Continuous slurry (gas) supply type elevator |
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| CN114135237A (en) * | 2021-11-22 | 2022-03-04 | 山东力强机械有限责任公司 | Multifunctional elevator |
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