CN205154009U - Anti - pneumatic downhole hammer of circulation digs rig soon - Google Patents
Anti - pneumatic downhole hammer of circulation digs rig soon Download PDFInfo
- Publication number
- CN205154009U CN205154009U CN201520998498.5U CN201520998498U CN205154009U CN 205154009 U CN205154009 U CN 205154009U CN 201520998498 U CN201520998498 U CN 201520998498U CN 205154009 U CN205154009 U CN 205154009U
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- CN
- China
- Prior art keywords
- reacting cycle
- hole hammer
- drilling rod
- pneumatic down
- unit head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model provides an anti - pneumatic downhole hammer of circulation digs rig soon, digs the rig soon and includes the chassis and set up the mast on the chassis, and the anti - unit head that circulates is installed on the guide rail of mast, and tap is equipped with on the anti - unit head upper portion of circulating, and tap is connected with the scum pipe, and the buffer is installed to the anti - unit head lower part of circulating, and the buffer is connected with the gas box, and the gas box is connected with the rubber tube that admits air, gas box lower extreme jointed rod, anti - pneumatic downhole hammer and the drill bit of circulating is connected to the drilling rod lower extreme. The utility model discloses can realize the high efficiency and go into the rock that can effectively protect the pore wall simultaneously, required weight on bit and rotary torque are little, can get the core in succession to can effectively solve drill way dust pollution.
Description
Technical field
The utility model relates to engineering machinery and pile foundation construction field, particularly a kind of reacting cycle pneumatic down-hole hammer rotary drilling rig.
Background technology
The structure of currently available technology rotary drilling rig as shown in Figure 1, comprise chassis (1), be arranged on the mast (5) of chassis (1), unit head (4) is arranged on the guide rail of mast (5), the elevator be arranged on chassis (1) connects telescopic drill rod (3) and drilling bucket (2) by wire rope, and telescopic drill rod (3) is machine locking-type (or friction type) drilling rod.
The rotary drilling rig of prior art is difficult to creep in hard rock (uniaxial compressive strength is greater than the rock of 100MPa), though there is rotary drilling rig to use gear wheel cylinder drill bit to pierce the example of slightly weathered rock, but it is low to there is efficiency of construction, the problem that bit wear is too fast, only relies on larger moment of torsion and larger plus-pressure also to make machine itself produce the application life of violent vibration influence machine when rig pierces hard rock.
The conventional construction method that current employing down-the-hole hammers rock construction is that direct circulation is crept into, Compressed Gas by the inlet channel on drilling rod to down-hole hammer, gas-powered DTH drilling, waste gas is discharged from the steam vent of down-hole hammer, waste gas carries rock slag bits simultaneously and is together expelled to earth's surface by the annular gap of hole wall and drilling-rod external wall, forms direct circulation and creeps into.When down-hole hammer direct circulation is crept into, high velocity air washes away hole wall, is unfavorable for that hole wall is stablized.The rock slag of powdery is discharged by waste gas, and dust fills the air, and impact construction, easily causes environment pollution.When bore diameter is larger, the air inflow of driving down-hole hammer work is less than the air quantity needed for deslagging, causes deslagging difficulty.
Summary of the invention
The deficiency that the utility model has technology to exist provides one efficiently to enter rock and creeps into, and cost is low, and work progress can protect hole wall again can the reacting cycle pneumatic down-hole hammer rotary drilling rig of protection of the environment.
In order to solve the problems of the technologies described above,
A kind of reacting cycle pneumatic down-hole hammer rotary drilling rig, comprise reacting cycle unit head, drilling rod, reacting cycle pneumatic down-hole hammer and drill bit, the upper end of described drilling rod is arranged on reacting cycle unit head, described drilling rod lower end connects reacting cycle pneumatic down-hole hammer and drill bit, be connected with drilling rod by the gentle box of snubber under the gyroaxis of described reacting cycle unit head, described gas box is provided with air inlet port and exhaust opening, one end of described air inlet port is connected with air compressor machine, the other end is connected with reacting cycle pneumatic down-hole hammer by the independently inlet channel that drilling rod is arranged, thus drive the work of reacting cycle pneumatic down-hole hammer, compressed air in described reacting cycle pneumatic down-hole hammer by the exhaust passage on drilling rod with exhaust opening be communicated with and discharge, the central row cinder hole of described reacting cycle pneumatic down-hole hammer successively with drilling rod in the middle part of slagging channel, the slagging channel of gas box, snubber is communicated with the central tube of water tap, the central tube of described water tap is communicated with gravel pump by scum pipe, the discharge pipe of described gravel pump is communicated with mud pit, described mud pit is connected with boring.
Described drilling rod be externally connected to centralizer.
The air inlet port of described gas box is connected with air compressor machine by gas inlet rubber tube.
Filtering ponds are provided with between described mud pit and boring.
Owing to adopting said structure, pneumatic down-hole hammer detritus creeps into and combines with liquid medium reacting cycle deslagging by this device, air compressor machine by compressed air on gas inlet rubber tube and drilling rod independently inlet channel deliver to reacting cycle pneumatic down-hole hammer, drive reacting cycle aeratic hidden hole to hammer rock to creep into, and the mud of considering to be worth doing with rock slag is passed through the mud hole of reacting cycle pneumatic down-hole hammer by gravel pump, the hollow channel of drilling rod is extracted out from foot of hole, be evacuated to mud pit, and the mud in mud pit flows into formation liquid reacting cycle in boring after filtering, therefore this device is when holing, there will not be the phenomenon that dust fills the air, and the collision opportunity of drill bit to hole wall can be reduced due to liquid, can realize efficiently entering rock to creep into, ensure the stable of drilling speed, and the efficiency of deslagging is ensured by the circulation of liquid, by filtering, make to enter the boring end clean, prevent second-time breakage, rig required torque is little, downward plus-pressure needed for drilling rod is little.
Accompanying drawing explanation
Fig. 1 is the structure chart of prior art.
Fig. 2 is schematic diagram of the present utility model.
In figure: 1, chassis; 2, drilling bucket; 3, telescopic drill rod; 4, unit head; 5, mast; 6, drill bit; 7, reacting cycle pneumatic down-hole hammer; 8, centralizer; 9, drilling rod; 10, exhaust passage; 11, inlet channel; 12, air inlet port; 13, gas box; 14, exhaust opening; 15, snubber; 16, water tap; 17, scum pipe; 18, gravel pump; 19, gas inlet rubber tube; 20, air compressor machine; 21, reacting cycle unit head.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further illustrated.
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed the improper restriction of the utility model.In the accompanying drawings:
See Fig. 2, the mast 5 that this device comprises chassis 1 and is arranged on chassis, reacting cycle unit head 21 is arranged on the guide rail of mast 5, is arranged on the One On The Chassis elevator and is slided up and down along guide rail by wire rope connection reacting cycle unit head 21.Reacting cycle unit head 21 can convert on prior art rotary drilling rig, unit head 4 is removed excessive parts and becomes reacting cycle unit head 21, on reacting cycle unit head 21, water tap 16 is installed again, the gyroaxis of reacting cycle unit head lower end installs snubber 15, snubber 15 connects gas box 13, gas box 13 jointed rod 9, and drilling rod 9 connects reacting cycle pneumatic down-hole hammer 7, reacting cycle pneumatic down-hole hammer connects drill bit 67 times, drilling rod 9 is equipped with centralizer 8.
Air compressor machine 20 connects gas inlet rubber tube 19, and gas inlet rubber tube 19 other end connects the air inlet port 12 of gas box 13.
The slag-drip opening of water tap 16 connects scum pipe 17, and the other end of scum pipe 17 connects gravel pump 18.Gravel pump 18 can by slush pump in sedimentation basin.
Reacting cycle pneumatic down-hole hammer rotary drilling rig construction method is for starting air compressor machine 20 compressed air, inlet channel 11 to the reacting cycle pneumatic down-hole hammer 7 of the air inlet port 12 of compressed air on gas inlet rubber tube 19, gas box 13, drilling rod, drive the work of down-hole hammer 7 detritus, discharge in the exhaust opening of the exhaust passage 10 of waste gas on drilling rod 9, gas box 13.Reacting cycle unit head 21 drives drilling rod 9, reacting cycle pneumatic down-hole hammer 7 and drill bit 6 to rotate to carry out work simultaneously.The rock slag now produced is considered to be worth doing and is blended at the bottom of hole in mud, makes to produce negative pressure in the slagging channel of scum pipe 17 and drilling rod 9 when gravel pump 18 works.Mud up returns out with rock slag bits under the effect of negative pressure, successively through centre bore, the slagging channel of drilling rod 9, the slagging channel of gas box 13, the snubber 15 of reacting cycle pneumatic down-hole hammer 7, central tube, the scum pipe 17 of water tap 16 arrive gravel pump 18, the discharge pipe of gravel pump 18 is facing to mud pit, mud after sedimentation and filtration flows back at the bottom of hole again, thus realizes the reacting cycle of flushing liquor.
In work, the centralizer 8 on drilling rod 9 plays drilling rod and vertically acts on, and prevents inclined hole.Snubber 15 plays cushioning effect at work, each element of available protecting.
Reacting cycle pneumatic down-hole hammer rotary drilling rig is that pneumatic down-hole hammer detritus creeps into and combines with liquid medium reacting cycle deslagging.This construction method effectively can tackle hard formation, can realize efficiently entering rock to creep into, drilling speed is stablized, and drilling tool rotating speed is low, long service life, the collision opportunity to hole wall is reduced in drilling process, deslagging efficiency is high, clean at the bottom of hole, prevents second-time breakage, rig required torque is little, and the downward plus-pressure needed for drilling rod is little.
The foregoing is only preferred embodiment of the present utility model, to those skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a reacting cycle pneumatic down-hole hammer rotary drilling rig, comprise reacting cycle unit head (21), drilling rod (9), reacting cycle pneumatic down-hole hammer (7) and drill bit (6), the upper end of described drilling rod (9) is arranged on reacting cycle unit head (21), described drilling rod (9) lower end connects reacting cycle pneumatic down-hole hammer (7) and drill bit (6), it is characterized in that: be connected with drilling rod (9) by snubber (15) gentle box (13) under the gyroaxis of described reacting cycle unit head (21), described gas box (13) is provided with air inlet port (12) and exhaust opening (14), one end of described air inlet port (12) is connected with air compressor machine, the other end is connected with reacting cycle pneumatic down-hole hammer (7) by the independently inlet channel (11) that drilling rod is arranged, thus drive reacting cycle pneumatic down-hole hammer (7) work, compressed air in described reacting cycle pneumatic down-hole hammer (7) by the exhaust passage (10) on drilling rod (9) with exhaust opening (14) be communicated with and discharge, the central row cinder hole of described reacting cycle pneumatic down-hole hammer (7) successively with the slagging channel at drilling rod (9) middle part, the slagging channel of gas box (13), snubber (15) is communicated with the central tube of water tap (16), the central tube of described water tap (16) is communicated with gravel pump (18) by scum pipe (17), the discharge pipe of described gravel pump (18) is communicated with mud pit, described mud pit is connected with boring.
2. reacting cycle pneumatic down-hole hammer rotary drilling rig according to claim 1, is characterized in that: described drilling rod (9) be externally connected to centralizer (8).
3. reacting cycle pneumatic down-hole hammer rotary drilling rig according to claim 2, is characterized in that: the air inlet port of described gas box (13) is connected with air compressor machine (20) by gas inlet rubber tube (19).
4. according to the reacting cycle pneumatic down-hole hammer rotary drilling rig one of claims 1 to 3 Suo Shu, it is characterized in that: between described mud pit and boring, be provided with filtering ponds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520998498.5U CN205154009U (en) | 2015-12-03 | 2015-12-03 | Anti - pneumatic downhole hammer of circulation digs rig soon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520998498.5U CN205154009U (en) | 2015-12-03 | 2015-12-03 | Anti - pneumatic downhole hammer of circulation digs rig soon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205154009U true CN205154009U (en) | 2016-04-13 |
Family
ID=55689717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520998498.5U Withdrawn - After Issue CN205154009U (en) | 2015-12-03 | 2015-12-03 | Anti - pneumatic downhole hammer of circulation digs rig soon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205154009U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401879A (en) * | 2015-12-03 | 2016-03-16 | 山河智能装备股份有限公司 | Rotary drilling machine for reverse-circulation pneumatic down hole hammer and construction method for rotary drilling machine |
| CN113236115A (en) * | 2021-06-27 | 2021-08-10 | 邯郸市伟业地热开发有限公司 | Method for passing broken belt in through type air reverse circulation down-the-hole hammer drilling |
-
2015
- 2015-12-03 CN CN201520998498.5U patent/CN205154009U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401879A (en) * | 2015-12-03 | 2016-03-16 | 山河智能装备股份有限公司 | Rotary drilling machine for reverse-circulation pneumatic down hole hammer and construction method for rotary drilling machine |
| CN105401879B (en) * | 2015-12-03 | 2018-01-02 | 山河智能装备股份有限公司 | Reacting cycle pneumatic down-hole hammer rotary drilling rig and its construction method |
| CN113236115A (en) * | 2021-06-27 | 2021-08-10 | 邯郸市伟业地热开发有限公司 | Method for passing broken belt in through type air reverse circulation down-the-hole hammer drilling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160413 Effective date of abandoning: 20180102 |