CN201495985U - Mechanical down-the-hole impacter - Google Patents
Mechanical down-the-hole impacter Download PDFInfo
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- CN201495985U CN201495985U CN2009201002723U CN200920100272U CN201495985U CN 201495985 U CN201495985 U CN 201495985U CN 2009201002723 U CN2009201002723 U CN 2009201002723U CN 200920100272 U CN200920100272 U CN 200920100272U CN 201495985 U CN201495985 U CN 201495985U
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Abstract
The utility model discloses a mechanical down-the-hole impacter, which consists of a rotating transmission system, an impacting transmission system, a planetary gear reducer mechanism, a sleeve cam linkage mechanism, a linear guide rail sliding structure, a rotating sleeve connecting structure, a sealing structure, a shell and inner wall supporting structure, an energy storage impacting device, a main and auxiliary hammer delay device, a main hammer body buffering device, a cam buffering device and a water supply and chip removal channel. The upper end in the shell is fixedly provided with a submersible motor, the submersible motor is connected with the rotating transmission system and the impacting transmission system, the rotating transmission system and the impacting transmission system are connected with a drill bit arranged on the lower end of the shell; the inner wall supporting structure is arranged in the shell, and the two ends of the inner wall supporting structure are connected through a mechanical sealing device and a traditional system seal. The utility model realizes the impact drilling of mechanical down-the-hole due to the integrated structure with the submersible motor for power supply; the utility model is applicable to the impact drilling under various geological conditions when in use together with different drill bits embedded with the hard alloy; and the utility model has the advantages of high adaptability, high impacting efficiency, high drilling speed, low power consumption, low production cost and high rate of well completion.
Description
Technical field
The utility model relates to a kind of down-the-hole air hammer, relates in particular to a kind of mechanical down-the-hole air hammer, under water, when lithosphere, deep well drilling according to having a clear superiority in, technological precedence belongs to and creeps into field of mechanical technique.
Technical background
Widely used impactor has following several in the actual production now: pneumatic hole impinger, the down-the-hole air hammer that surges, mechanical impactor.1, pneumatic hole impinger: be to promote slide block movement by compressed air, slide block movement impacts the mechanical device of other objects.Dividing again has two kinds of valve and valveless, as air hammer, pneumatic pick, down-the-hole air hammer etc.The pneumatic hole impinger advantage is a lot, particularly aspect rock drilling, is not afraid of hard rock, speed is fast and gain great popularity, and the gesture that replaces slewing drilling machine is arranged greatly in recent years; But people also find in the process of using, and it has and much is difficult to overcome drawback: (1) limitation is big, as the J-215B down-the-hole air hammer, is equipped with a 20M
3The air compressor machine air feed of/min, 219 millimeters of well head diameters can not surpass 80 meters deeply, even 159 millimeters of well head reducings, with two 20M
3/ min air compressor machine air feed, it is dark also to be difficult to 120 meters of arrival; Earth sandstone layer can't creep into, and needs other rig to creep into, and uses pneumatic hole impinger again behind lithosphere.(2) borehole wall is with dissection can not reaming, runs into a mashed stubble stone layer and caves in easily, does not beat when well yield surpasses 20 tons of/hour water, does not return stone and cuts.Reason is that well depth has increased and just increased pressure differential, and this pressure differential has been offset compressed-air actuated pressure, and the pressure differential of impactor entrance and exit is diminished, and impacts unable, frequency and reduces, and the water yield is result like this greatly also.The well head bore is big, and the space is big in the wellhole, and it is fast especially that the gas that impactor is discharged spreads, gas pressure reduces rapidly, and downhole gas is slack-off to the flow velocity of well head, is unfavorable for returning stone and cuts, can cause a large amount of stones to cut to be detained the shaft bottom or be suspended in midair, increase danger, so limitation is very big.(3) fault rate height, impactor require cleannes high especially, have some sands just not work.Per tour all will be overhauled cleaning.(4) energy consumption height, a 20M
3/ min air compressor machine need drive with the 270-320 horsepower diesel, adds 1822 horsepowers in the motor of rig itself again, need work simultaneously, also needs during well depth to be equipped with second air compressor machine, and energy consumption is very high, and expense is big.(5) personnel are many, and each equipment all needs personal management, has high input.2 hydraulic pressure down-the-hole air hammers: be with the pressure oil promotion slide block movement that is used as power, slide block movement impacts the mechanical device of bore bit, does as the excavation pricker on the excavator.It is introduced that there is use in the oil field, drilling depth has reached more than 3000 meters.Temporarily also do not see aspect sink wells and using.3 mechanical impactors: be with the motor source that is used as power, make slide block movement in mechanically operated mode, slide block movement impacts the mechanical device of bore bit, mostly is the crank-link mechanism form.Except small-sized impact Electric portable drill, electric pick etc. are hand-held be extensive use of on the ground, also do not see of the application of mechanical down-the-hole air hammer at present in underground punching.
Summary of the invention
In order to address the above problem, the purpose of this utility model is to provide a kind of mechanical down-the-hole air hammer, be to provide power for impactor with submersible motor, the machinery down-the-hole air hammer is that submersible motor, power transmission shaft, gear, cam link mechanism, impactor, snubber etc. are set in the columnar shell, be to be made in the said drilling rod, through the gear reduction of speed increase turn round after output, one road branch sleeve cam mechanism, sleeve cam mechanism connects tup, the tup drill hammer, another road output connects three-stage speed change mechanism, and reduction of speed increases turns round the rotation of back drive drill bit; Owing to adopt integrated design, wellhole is dark has just increased cable length, do not change the relative position of motor and impactor, give aquaporin for built-in two, the drill bit top is provided with two water jets, drill bit is provided with guiding gutter, adopt the direct circulation technology, (crossover circulation technique also can, just row's mode of cutting is had any different, but effect is identical) utilize on the ground reciprocating pump with the water in the well, stone cut, silt is discharged to outside the well, the percussion power of impactor is not subjected to that well diameter size, wellhole are dark, the restriction of water yield size and geologic structure in the wellhole; Do not need auxiliary equipment, installation is fast, and it is few to drop into manpower, saves production cost, cut down the consumption of energy, reduce noise, improve construction environment, improve into the well rate, compare, beat deep well at various complicated geographical environments and have clear superiority with pneumatic hole impinger, hydraulic pressure down-the-hole air hammer.
The technical scheme that its technical problem that solves the utility model adopts is: mechanical down-the-hole air hammer, it is made up of rotation transmission system, impact transmission system, planetary gear reducing mechanism, sleeve cam linkage, line slideway slide construction, pivoted housing syndeton, hermetically-sealed construction, shell and inwall braced structures, energy storage percussion mechanism, major-minor hammer time-delay mechanism, main ram body buffer, cam buffer, feedwater and channel of chip removal.Be fixed with submersible motor in the enclosure on the portion, connect rotation and impact transmission system through shaft coupling, rotation is connected the drill bit that places the shell lower end with the impact transmission system.Be provided with the inwall braced structures in the enclosure, its two ends adopt mechanically-sealing apparatus and transmission system to be tightly connected.
Described rotation transmission system, consult Fig. 1 to Fig. 6, it is to be connected with a through-drive by shaft coupling by the submersible motor that is bolted on the shell, one beam warp planetary gear, support by gear ring, be connected with two through-drive by gear pin, two beam warp planetary gears, support by gear ring, be connected with three through-drive by gear pin, three with four by being threaded, four beam warp planetary gears, supported by gear ring, be connected with five through-drive by gear pin, five are in transmission connection by spline and drill bit.
Described impact transmission system, consult Fig. 1, Fig. 4 to Fig. 6, it is laterally to be provided with sliding shaft at four middle parts, cam working face on its outer spindle nose and the sleeve cam is slidingly connected, sleeve cam is connected by dovetail groove with connecting rod, and connecting rod is connected by link lever locking fixture block groove with secondary hammer body, and secondary hammer body connects main ram body, tup, drill bit successively.
Described planetary gear reducing mechanism is consulted Fig. 1, Fig. 3, and Fig. 4, it is axle tooth and the planetary gear engagement that is provided with a lower end, planetary gear and gear ring engagement, the center planetary gear hole is in transmission connection by the hole that bearing is equipped with gear pin and two upper ends.Two with three and four and five between planetary gear reducing mechanism all identical with it.
Described sleeve cam linkage, consult Fig. 4, Fig. 9, Figure 12, Figure 13, it is uniform three sliding shaft axis holes on four centre position circumference, and by two bearings, each installs a sliding shaft, its outer spindle nose is slidingly connected with three cam working faces of sleeve cam lower end respectively, the sleeve cam upper end is provided with the line slideway slide construction and is connected with the fixed cover rolling, rolls with gear ring by conical bearing and be connected in four middle parts, and sleeve cam is connected by dovetail groove with connecting rod.
Described line slideway slide construction is consulted Fig. 4, Fig. 7, and Fig. 8, it is to be provided with 4 slideways in sleeve cam upper end, supports the outer fixed cover upper/lower terminal that puts and is connected with the ball that is provided with in the longitudinal hole of inside and outside ball cover and rolls and be connected with being fixed on.
Described pivoted housing syndeton, consult Fig. 6, it be in pivoted housing, top and tup be rotationally connected, the bottom is connected with drill bit with pin by the O RunddichtringO, boss upper end, pivoted housing cylindrical centre position, upwards bearer ring, ball, bearer ring, needle bearing, interior adapter sleeve, outer adapter sleeve, needle bearing, the step of lower house, ball, bearer ring are housed successively, fix with big nut.Its step lower end is provided with mechanically-sealing apparatus and flexible seal closure.
Described hermetically-sealed construction is consulted Fig. 3, Fig. 6, and it is to be fixed by back-up ring one upper end, and sealing device is housed, back-up ring is by being bolted on the upper end cover.At five tail end, be provided with 4 " O " RunddichtringOs between drill bit and the pivoted housing.Between pivoted housing and lower house, mechanically-sealing apparatus is fixed by ring-like nut.Between pivoted housing and drill bit, be fixedly connected with flexible seal closure.
Described shell and inwall braced structures, consult Fig. 3 to Fig. 6, shell is the elongate steel barrel structure, is connected and fixed submersible motor with four hexagon socket head cap screws topmost, be connected and fixed lower house with four hexagon socket head cap screws bottom, the centre is connected and fixed upper end cover with four hexagon socket head cap screws.Inwall is from the submersible motor shell, connect connecting ring by the outer-hexagonal bolt, connecting ring is connected with first gear ring with the outer-hexagonal bolt, connects second gear ring, fixed cover, upper support overcoat, the 3rd gear ring, spring support ring, lower support overcoat, lower house more successively.Between upper support overcoat and lower support overcoat, be fixed with the connecting rod dust cover.
Described energy storage percussion mechanism is consulted Fig. 4, Fig. 5, and it is in secondary hammer body upper end the thrust spring seat to be housed, and is provided with main thrust spring, secondary thrust spring between thrust spring seat and spring support ring.
Described major-minor hammer time-delay mechanism is consulted Fig. 5, and it is to be connected with between main ram lock ring and main ram snap ring and the secondary hammer body in main ram body upper end to be provided with the time-delay spring.
Described main ram body buffer is consulted Fig. 5, Fig. 6, and it is the main ram body buffering ring that connects in main ram body lower end and is provided with main ram body buffer spring between the main ram body buffing pad of lower house upper end connection.
Described cam buffer is consulted Fig. 4, Fig. 5, it be the round platform rank connect in sleeve cam cam cushion collar with four in the middle part of be provided with the cam buffer spring between the cylindrical steps.
Described feedwater and channel of chip removal are consulted Fig. 3 to Fig. 6, Figure 10, and Figure 11 gives the beginning suitable for reading of aquaporin slave tool down-the-hole air hammer, between shell and inwall, the passage that three water jets bottom drill bit form.Channel of chip removal is six guiding gutters from the drill bit bottom surface, from the passage of shaft bottom by forming between shell and the borehole wall.
The beneficial effects of the utility model are: because impactor is to adopt submersible motor that the power integration design is provided, realized that mechanical down-hole percussion drill advances.Characteristics are: 1. compliance is strong, and a tractor serves several purposes is equipped with the drill bit of different tungsten carbide buttons, can adapt to the demand of creeping into of various geological conditionss, as sand layer, layer of gravel, disorderly stubble stone layer, intact rock layer, needn't change rig.2. speed is fast, expense is low, the target efficiency height of mechanical down-the-hole air hammer, and rate of penetration is fast, and the power of consumption is little, and the power of outfit is little, has saved the energy, has reduced expense.3. owing to adopt direct circulation feedwater chip removal mode, the insider of drilling well can be very on top of fast, and good water blockoff leakproof, solid anti-collapse method and the experience of wall are arranged, and the generation of minimizing accident becomes well rate height.
Below two kinds of representational pneumatic hole impinger performance indications see Table 1
Table 1
This mechanical down-the-hole air hammer performance indications such as table 2
Table 2
By the contrast of table 1 and table 2, the utility model machinery down-the-hole air hammer single strike work 650J as can be seen, frequency 6.3Hz is constant, power 5.5KW; And pneumatic hole impinger single strike work 450J, frequency 15Hz fluctuates, power 200KW; We can clearly find out: mechanical down-the-hole air hammer single strike work improves 1.45 times than pneumatic hole impinger, and used power is 2% of pneumatic hole impinger; Having only frequency is pneumatic down-the-hole air hammer 42%.Pneumatic hole impinger wind pressure 0.5MPa generally in actual production, be 62.5% of specified 0.8MPa, therefore frequency the chances are 15 * 62.5%=9.375Hz is so actual machine down-the-hole air hammer frequency is 67.2% of a pneumatic hole impinger frequency.Rate of penetration is suitable substantially in the production.We may safely draw the conclusion: the function admirable of the utility model machinery down-the-hole air hammer, obvious energy conservation has application value.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified
Fig. 1 is the structural principle schematic diagram of the utility model machinery down-the-hole air hammer.
Fig. 2 be the utility model machinery down-the-hole air hammer partly cut open structural representation.
Fig. 3 is the I section structure for amplifying schematic diagram of Fig. 2.
Fig. 4 is the II section structure for amplifying schematic diagram of Fig. 2.
Fig. 5 is the III section structure for amplifying schematic diagram of Fig. 2.
Fig. 6 is the IV section structure for amplifying schematic diagram of Fig. 2.
Fig. 7 is the rectilinear orbit slide construction cross-sectional schematic of Fig. 2.
Fig. 8 is the A-A sectional structure schematic diagram of Fig. 7
Fig. 9 is that the sleeve cam of Fig. 4 is partly cutd open structural representation.
Figure 10 is that the drill bit of Fig. 6 partly cuts open structural representation
Figure 11 is that the C of Figure 10 is to the TV structure schematic diagram
Figure 12 is the B-B sectional structure schematic diagram of Fig. 9
Figure 13 is the cam working face deployed configuration schematic diagram of Fig. 9.
Number in the figure
1. submersible motor 2. ring washers 3. mechanically-sealing apparatus
4. one 5. shell 6. bearings
7. gear ring 8. planetary gears 9. gear pins
10. upper end cover 11. upper support overcoats are 12. 2
13. connecting rod dust cover 14. connecting rings 15 ball covers
16 fixed covers, 17 lower support overcoats, 18 conical bearings
19 3 20 connecting rod 21 slideways
22 sleeve cam, 23 cam working faces, 24 lower houses
27 4 of 25 cam cushion collars, 26 cam buffer springs
28 sliding shafts, 29 main ram snap rings, 30 main ram lock rings
32 5 33 water jets of 31 link lever locking fixture blocks
34 guiding gutters, 35 thrust spring seats, 36 spring support rings
37 main thrust springs, 38 secondary thrust spring 39 time-delay springs
40 main ram body buffering rings, 41 main ram body buffing pads, 42 main ram body buffer springs
43 main ram bodies, 44 secondary hammer body 45 tups
46 pivoted housings, 47 ring-like nut 48O RunddichtringOs
49 flexible seal closure 50 drill bits 51 bearer rings
Adapter sleeve in 52 balls, 53 needle bearings 54
55 outer adapter sleeve 56 pins 57 big nuts
58. shaft coupling 59 carbide alloy 60 cam cushion collar spacing rings
61 dovetail grooves
The specific embodiment
See also Fig. 1 to Figure 13, the machinery down-the-hole air hammer, it is made up of rotation transmission system, impact transmission system, planetary gear reducing mechanism, sleeve cam linkage, line slideway slide construction, pivoted housing syndeton, hermetically-sealed construction, shell and inwall braced structures, energy storage percussion mechanism, major-minor hammer time-delay mechanism, main ram body buffer, cam buffer, feedwater and channel of chip removal.Be fixed with submersible motor (1) in shell (5) inner upper end, connect rotation and impact transmission system through shaft coupling (58), rotation is connected the drill bit (50) that places shell (5) lower end with the impact transmission system.Be provided with the inwall braced structures in shell (5), its two ends adopt mechanically-sealing apparatus (3) and transmission system to be tightly connected.
Described rotation transmission system, consult Fig. 1 to Fig. 6, it is to be in transmission connection by shaft coupling (58) and one (4) by the submersible motor (1) that is bolted on the shell (5), one (4) are through planetary gear (8), support by gear ring (7), be in transmission connection by gear pin (9) and two (12), two (12) are through planetary gear (8), support by gear ring (7), be in transmission connection by gear pin (9) and three (19), three (19) and four (27) are by being threaded, four (27) are through planetary gear (8), support by gear ring (7), be in transmission connection by gear pin (9) and five (32), five (32) are in transmission connection by spline and drill bit (50), drill bit (50) are slowed down increase under the drive of submersible motor (1) to turn round the back rotation.
Described impact transmission system, consult Fig. 1, Fig. 4 to Fig. 6, it is laterally to be provided with sliding shaft (28) at four (27) middle part, cam working face (23) on its outer spindle nose and the sleeve cam (22) is slidingly connected, sleeve cam (22) is connected by dovetail groove (61) with connecting rod (20), connecting rod (20) is connected by link lever locking fixture block (31) groove with secondary hammer body (44), secondary hammer body (44) connects main ram body (43) successively, tup (45), drill bit (50), because sliding shaft (28) rolls along cam working face (23), with the slow jack-up and falling suddenly of sleeve cam (22), make drill bit (50) in rotation by tup (45) repeated stock.
Described planetary gear reducing mechanism, consult Fig. 1, Fig. 3, Fig. 4, it is axle tooth and planetary gear (8) engagement that is provided with (a 4) lower end, planetary gear (8) and gear ring (7) engagement, planetary gear (8) centre bore is in transmission connection by the hole that bearing (6) is equipped with gear pin (9) and two (12) upper end.Owing to one (4) rotation is rotated around (a 4) circumference by gear ring (7) supporting drive planetary gear (8), drive two (12) deceleration rotation by gear pin (9).Planetary gear reducing mechanism is all identical with it between two (12) and three (19) and four (27) and five (32), slows down by the third-level planetary gear reduction, makes drill bit reach the requirement rotating speed.
Described sleeve cam linkage, consult Fig. 4, Fig. 9, Figure 12, Figure 13, it is uniform three sliding shafts (28) axis hole on four (27) centre position circumference, support by two bearings (6), each installs a sliding shaft (28), its outer spindle nose is slidingly connected with three cam working faces (23) of sleeve cam (22) lower end respectively, sleeve cam (22) upper end is provided with the line slideway slide construction and is connected with fixed cover (16) rolling, rolls with gear ring (7) by conical bearing (18) and be connected in four (27) middle part, and sleeve cam (22) is connected by dovetail groove (61) with connecting rod (20).By the decision of cam working face (23) shape on the sleeve cam (22), can make connecting rod (20) drive slow unexpected decline that rise of tup (45) and form impact force, whenever circle four (27), can drive tup (45) drill hammer (50) three times.
Described line slideway slide construction, consult Fig. 4, Fig. 7, Fig. 8, it is to be provided with 4 slideways (21) in sleeve cam (22) upper end, and is fixed on fixed cover (16) upper/lower terminal that supports on the overcoat (11) and is connected with the ball (52) that is provided with in the longitudinal hole of inside and outside ball cover (15) and rolls and be connected.Ball (52) freely rolls fixed cover (16) longitudinal hole is connected the raceway that ball cover (15) forms with upper/lower terminal in, and when the sleeve cam linkage was worked, sleeve cam (22) slided up and down flexibly, steady.
Described pivoted housing syndeton, consult Fig. 6, it be in pivoted housing (46), top and tup (45) be rotationally connected, the bottom is connected with drill bit (50) with pin (56) by O RunddichtringO (48), boss upper end, pivoted housing (46) cylindrical centre position, step, ball (52), the bearer ring (51) of bearer ring (51), ball (52), bearer ring (51), needle bearing (53), interior adapter sleeve (54), outer adapter sleeve (55), needle bearing (53), lower house (24) upwards are housed successively, fixing with big nut (57).Its step lower end is provided with mechanically-sealing apparatus (3) and flexible seal closure (49).Owing to there is pin (56) to connect, pivoted housing (46) and drill bit (50) are rotated simultaneously, play good sealing function.
Described hermetically-sealed construction is consulted Fig. 3, Fig. 6, and it is fixing by back-up ring (2) in the upper end of (4), and sealing device (3) is housed, back-up ring (2) is by being bolted on the upper end cover (10).Tail end five (32) is provided with 4 " O " RunddichtringOs (48) between drill bit (50) and the pivoted housing (46).Between pivoted housing (46) and lower house (24), mechanically-sealing apparatus (3) is fixing by ring-like nut (47).Between pivoted housing (46) and drill bit (50), be fixedly connected with flexible seal closure (49).
Described shell and inwall braced structures, consult Fig. 3 to Fig. 6, shell (5) is the elongate steel barrel structure, be connected and fixed submersible motor (1) with four hexagon socket head cap screws topmost, be connected and fixed lower house (24) with four hexagon socket head cap screws bottom, the centre is connected and fixed upper end cover (10) with four hexagon socket head cap screws.Inwall is from submersible motor (1) shell, connect connecting ring (14) by the outer-hexagonal bolt, connecting ring (14) is connected with first gear ring (7) with the outer-hexagonal bolt, connects second gear ring (7), fixed cover (16), upper support overcoat (11), the 3rd gear ring (7), spring support ring (36), lower support overcoat (17), lower house (24) more successively.Between upper support overcoat (11) and lower support overcoat (17), be fixed with connecting rod dust cover (13).
Described energy storage percussion mechanism is consulted Fig. 4, Fig. 5, and it is in secondary hammer body (44) upper end thrust spring seat (35) to be housed, and is provided with main thrust spring (37), secondary thrust spring (38) between thrust spring seat (35) and spring support ring (36).Male and female face shape by the cam working face (23) of sleeve cam (22) is determined to make slowly compressed energy-storage of main thrust spring (37), secondary thrust spring (38), discharge the generation impact force, act on the drill bit (50) by secondary hammer body (44), main ram body (43), tup (45) suddenly.
Described major-minor hammer time-delay mechanism, consult Fig. 5, it is to be connected with in main ram body (43) upper end to be provided with time-delay spring (39) between main ram lock ring (29) and main ram snap ring (30) and the secondary hammer body (44), when connecting rod (20) begins when up, main ram body (43) impact kinetic energy has not discharged, secondary hammer body (44) rises and main ram body (43) decline, secondary hammer body (44) and main ram body (43) compression time-delay spring (39), main ram body (43) is delayed time to carry out to rise, greatly reduce intrasystem impact force like this, can make running steadily, improve rate of penetration, also improve the application life of mechanical down-the-hole air hammer.
Described main ram body buffer is consulted Fig. 5, Fig. 6, and it is the main ram body buffering ring (40) that connects in main ram body (43) lower end and is provided with main ram body buffer spring (42) between the main ram body buffing pad (41) of lower house (24) upper end connection.When main ram body (43) is finished the impact stroke setting value and finished impact, (because idle running or bottom rock hardness are too low, when the one-shot drilling depth sets value greater than impact stroke) its kinetic energy is divided into two parts, and a part continues drill hammer (50) and produces and creep into; Another part impacts main ram body buffering ring (40), and compression main ram body buffer spring (42) becomes its kinetic energy into the elastic potential energy of main ram body buffer spring (42), and this potential energy is upspring main ram body (43) again, and is finally up under the effect of connecting rod (20).
Described cam buffer is consulted Fig. 4, Fig. 5, it be the round platform rank connect in sleeve cam (22) cam cushion collar (25) with four (27) in the middle part of be provided with cam buffer spring (26) between the cylindrical step.Because sleeve cam (22) is that dovetail groove (61) is connected with connecting rod (20), connecting rod (20) is that groove is connected with secondary hammer body (44), when main ram body (43) drill hammer (50), when speed begins to slow down, secondary hammer body (44) slows down synchronously, and sleeve cam (22) is still descending in acceleration under the acceleration of gravity effect, impact done be used on the cam cushion collar (25), cam cushion collar (25) is done and is used on the cam buffer spring (26), its kinetic energy becomes the elastic potential energy of cam buffer spring (26), and this elastic potential energy discharges again that sleeve is protruding
Wheel (22) is upspring, and makes it up under the acting in conjunction of sliding shaft (28).
Described feedwater and channel of chip removal are consulted Fig. 3 to Fig. 6, Figure 10, and Figure 11 gives the beginning suitable for reading of aquaporin slave tool down-the-hole air hammer, between shell (5) and inwall, the passage that three water jets (33) bottom drill bit (50) form.Channel of chip removal is from drill bit (50) six guiding gutters in bottom surface (34), from the passage of shaft bottom by forming between shell (5) and the borehole wall.On well head, utilize reciprocating pump with the water in the well, stone cut, silt is discharged to outside the well.
Claims (9)
1. mechanical down-the-hole air hammer, it by the rotation transmission system, impact transmission system, planetary gear reducing mechanism, sleeve cam linkage, line slideway slide construction, pivoted housing syndeton, hermetically-sealed construction, shell and inwall braced structures, energy storage percussion mechanism, major-minor hammer time-delay mechanism, main ram body buffer, cam buffer, feedwater and channel of chip removal and form; It is characterized in that: be fixed with submersible motor (1) in shell (5) inner upper end, connect rotation and impact transmission system through shaft coupling (58), rotation is connected the drill bit (50) that places shell (5) lower end with the impact transmission system; Be provided with the inwall braced structures in shell (5), its two ends adopt mechanically-sealing apparatus (3) and transmission system to be tightly connected.
2. a kind of mechanical down-the-hole air hammer according to claim 1, it is characterized in that: described rotation transmission system, it is to be in transmission connection by shaft coupling (58) and one (4) by the submersible motor (1) that is bolted on the shell (5), one (4) are through planetary gear (8), support by gear ring (7), be in transmission connection by gear pin (9) and two (12), two (12) are through planetary gear (8), support by gear ring (7), be in transmission connection by gear pin (9) and three (19), three (19) and four (27) are by being threaded, four (27) are through planetary gear (8), support by gear ring (7), be in transmission connection by gear pin (9) and five (32), five (32) are in transmission connection by spline and drill bit (50).
3. a kind of mechanical down-the-hole air hammer according to claim 1, it is characterized in that: described impact transmission system, it is laterally to be provided with sliding shaft (28) at four (27) middle part, cam working face (23) on its outer spindle nose and the sleeve cam (22) is slidingly connected, sleeve cam (22) is connected by dovetail groove (61) with connecting rod (20), connecting rod (20) is connected by link lever locking fixture block (31) groove with secondary hammer body (44), and secondary hammer body (44) connects main ram body (43), tup (45), drill bit (50) successively.
4. a kind of mechanical down-the-hole air hammer according to claim 1, it is characterized in that: described planetary gear reducing mechanism, it is axle tooth and planetary gear (8) engagement that is provided with (a 4) lower end, planetary gear (8) and gear ring (7) engagement, planetary gear (8) centre bore is in transmission connection by the hole that bearing (6) is equipped with gear pin (9) and two (12) upper end; Planetary gear reducing mechanism is all identical with it between two (12) and three (19) and four (27) and five (32).
5. a kind of mechanical down-the-hole air hammer according to claim 1, it is characterized in that: described sleeve cam linkage, it is uniform three sliding shafts (28) axis hole on four (27) centre position circumference, support by two bearings (6), each installs a sliding shaft (28), its outer spindle nose is slidingly connected with three cam working faces (23) of sleeve cam (22) lower end respectively, sleeve cam (22) upper end is provided with the line slideway slide construction and is connected with fixed cover (16) rolling, roll with gear ring (7) by conical bearing (18) and be connected in four (27) middle part, sleeve cam (22) is connected by dovetail groove (61) with connecting rod (20).
6. a kind of mechanical down-the-hole air hammer according to claim 1, it is characterized in that: described line slideway slide construction, it is to be provided with 4 slideways (21) in sleeve cam (22) upper end, and is fixed on fixed cover (16) upper/lower terminal that supports on the overcoat (11) and is connected with the ball (52) that is provided with in the longitudinal hole of inside and outside ball cover (15) and rolls and be connected.
7. a kind of mechanical down-the-hole air hammer according to claim 1, it is characterized in that: described pivoted housing syndeton, it is in pivoted housing (46), top and tup (45) are rotationally connected, the bottom is connected with drill bit (50) with pin (56) by O RunddichtringO (48), boss upper end, pivoted housing (46) cylindrical centre position, bearer ring (51) upwards is housed successively, ball (52), bearer ring (51), needle bearing (53), interior adapter sleeve (54), outer adapter sleeve (55), needle bearing (53), the step of lower house (24), ball (52), bearer ring (51), fixing with big nut (57).Its step lower end is provided with mechanically-sealing apparatus (3) and flexible seal closure (49).
8. a kind of mechanical down-the-hole air hammer according to claim 1 is characterized in that: described hermetically-sealed construction, and it is fixing by back-up ring (2) in the upper end of (4), and sealing device (3) is housed, back-up ring (2) is by being bolted on the upper end cover (10).Tail end five (32) is provided with 4 " O " RunddichtringOs (48) between drill bit (50) and the pivoted housing (46).Between pivoted housing (46) and lower house (24), mechanically-sealing apparatus (3) is fixing by ring-like nut (47).Between pivoted housing (46) and drill bit (50), be fixedly connected with flexible seal closure (49).
9. a kind of mechanical down-the-hole air hammer according to claim 1, it is characterized in that: described energy storage percussion mechanism, it is in secondary hammer body (44) upper end thrust spring seat (35) to be housed, and is provided with main thrust spring (37), secondary thrust spring (38) between thrust spring seat (35) and spring support ring (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201002723U CN201495985U (en) | 2009-06-23 | 2009-06-23 | Mechanical down-the-hole impacter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201002723U CN201495985U (en) | 2009-06-23 | 2009-06-23 | Mechanical down-the-hole impacter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201495985U true CN201495985U (en) | 2010-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201002723U Expired - Fee Related CN201495985U (en) | 2009-06-23 | 2009-06-23 | Mechanical down-the-hole impacter |
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| Country | Link |
|---|---|
| CN (1) | CN201495985U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949260A (en) * | 2010-07-22 | 2011-01-19 | 浙江师范大学 | Auxiliary hammer mechanism of percussive hammer capable of releasing after storing energy and energy-storage type percussive hammer |
| CN101993014A (en) * | 2010-09-29 | 2011-03-30 | 周印轩 | Automatic ground punching hoist |
| CN105696937A (en) * | 2015-12-09 | 2016-06-22 | 荣昌精密机械(苏州)有限公司 | Multifunctional hydraulic churn drill |
| CN106761461A (en) * | 2017-01-17 | 2017-05-31 | 成都聚智工业设计有限公司 | Oil well prospecting bit structure |
| CN106854988A (en) * | 2017-03-13 | 2017-06-16 | 张福生 | Desert sink wells machine |
| CN107780831A (en) * | 2017-10-24 | 2018-03-09 | 西南石油大学 | Double frequency axial impact instrument |
| CN112324322A (en) * | 2020-09-17 | 2021-02-05 | 广州市市政工程试验检测有限公司 | Rock-soil drilling device, follow-drilling pipe pile and rock-soil drilling method |
-
2009
- 2009-06-23 CN CN2009201002723U patent/CN201495985U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949260A (en) * | 2010-07-22 | 2011-01-19 | 浙江师范大学 | Auxiliary hammer mechanism of percussive hammer capable of releasing after storing energy and energy-storage type percussive hammer |
| CN101949260B (en) * | 2010-07-22 | 2013-07-24 | 浙江师范大学 | Auxiliary hammer mechanism of percussive hammer capable of releasing after storing energy and energy-storage type percussive hammer |
| CN101993014A (en) * | 2010-09-29 | 2011-03-30 | 周印轩 | Automatic ground punching hoist |
| CN101993014B (en) * | 2010-09-29 | 2012-10-31 | 周印轩 | Automatic ground punching hoist |
| CN105696937A (en) * | 2015-12-09 | 2016-06-22 | 荣昌精密机械(苏州)有限公司 | Multifunctional hydraulic churn drill |
| CN106761461A (en) * | 2017-01-17 | 2017-05-31 | 成都聚智工业设计有限公司 | Oil well prospecting bit structure |
| CN106854988A (en) * | 2017-03-13 | 2017-06-16 | 张福生 | Desert sink wells machine |
| CN106854988B (en) * | 2017-03-13 | 2019-08-02 | 钱爱芬 | Desert sink wells machine |
| CN107780831A (en) * | 2017-10-24 | 2018-03-09 | 西南石油大学 | Double frequency axial impact instrument |
| CN107780831B (en) * | 2017-10-24 | 2019-05-10 | 西南石油大学 | Double frequency axial impact tool |
| CN112324322A (en) * | 2020-09-17 | 2021-02-05 | 广州市市政工程试验检测有限公司 | Rock-soil drilling device, follow-drilling pipe pile and rock-soil drilling method |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20120623 |