CN207363591U - A kind of environment-friendly type air down-hole hammer drilling tool - Google Patents
A kind of environment-friendly type air down-hole hammer drilling tool Download PDFInfo
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- CN207363591U CN207363591U CN201721248056.4U CN201721248056U CN207363591U CN 207363591 U CN207363591 U CN 207363591U CN 201721248056 U CN201721248056 U CN 201721248056U CN 207363591 U CN207363591 U CN 207363591U
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- drilling rod
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- hole hammer
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Abstract
The utility model discloses a kind of environment-friendly type air down-hole hammer drilling tool, including drilling rod top connection, outer drilling rod, interior drilling rod, central passage, drilling rod lower contact, inner casing upper end cover, piston, landwaste hole and drill bit, the drilling tool is two channel design of coaxial-type, central passage is equipped with internal layer drilling rod, the outer layer clearance channel formed between internal layer drilling rod and outer layer drilling rod is second layer passage, and the connection mode of two passage drilling tools is respectively：The outer layer drilling rod lower contact of a two passage drilling rods above and the outer layer drilling rod top connection of a following two passage drilling rods are connected through a screw thread；It is inserting mode connection between the internal layer drilling rod of internal layer drilling rod and a following two passage drilling rods.Using the drilling tool of this kind of connection mode, unscrewing of drill rod is convenient, reliable, and the good airproof performance of drilling rod, manufacture cost are low, and landwaste is discharged from the central passage of drilling tool, organized discharge is carried out after follow-up dusty gas separator is stood, avoids the dust pollution to air, practical environmental protection.
Description
Technical field
It the utility model is related to one kind and be used for the engineering the drilling apparatus such as anchor pole, anchor cable construction, be especially suitable for air matter
Measure the drilling construction of more demanding construction site or business district.
Background technology
Using down-hole hammer when dry construction technique, flour sand for the generation that drills etc. bores the engineering the drilling such as anchor pole, anchor cable construction
Bits are directly taken out of by air, partly drift in the air in aperture, polluted the environment in aperture, greatly reduce construction worker's
Operating environment, endangers the health of operating personnel.On the other hand, the business district or scenic spot higher to air quality requirements
Borehole engineering, higher environmental requirement, the research of the drilling tool and bore process of environment-friendly type and hair are proposed to driller's technique
It is bright imperative.
The content of the invention
The purpose of this utility model is that to overcome drawbacks described above existing in the prior art, there is provided a kind of environmental protection
Type air down-hole hammer drilling tool.
The utility model is achieved through the following technical solutions above-mentioned purpose, a kind of environment-friendly type air down-hole hammer drilling tool, bag
Drilling rod top connection, outer drilling rod, interior drilling rod, central passage, drilling rod lower contact, inner casing upper end cover, piston, landwaste hole and drill bit are included,
The drilling tool is two channel design of coaxial-type, is equipped with central passage in internal layer drilling rod, is formed between internal layer drilling rod and outer layer drilling rod
Outer layer clearance channel be second layer passage.The connection mode of two passage drilling tool of coaxial-type is respectively in drilling：One two above
The outer layer drilling rod lower contact of passage drilling rod and the outer layer drilling rod top connection of a following two passage drilling rods are connected through a screw thread；Internal layer
It is inserting mode connection between the internal layer drilling rod of drilling rod and a following two passage drilling rods.
In above-mentioned technical proposal, the two passage drilling tool structure of coaxial-type, be by the top connection of outer layer drilling rod by screw thread with
Drilling machine connects, and outer drilling rod lower end is connected through a screw thread to be connected with the upper end of outer layer drilling rod lower contact, the lower end of outer drilling rod lower contact
It is connected by screw thread with down-hole hammer drilling rod top connection upper end, down-hole hammer outer tube upper end is connected by screw thread with its top connection lower end,
Down-hole hammer outer tube lower end is connected through a screw thread spline housing.
In above-mentioned technical proposal, the interior drilling rod is fixed in outer layer drilling rod, the pipeline insertion inner casing upper end of central passage
Covering and fix, inner casing upper end cover is mounted in the upper surface of inner casing, and inner casing, spacer and bushing are mounted in the inner cylinder face of outer shell successively,
For piston loaded in inner casing, drill bit is real in the spline of spline insertion spline housing, to be stuck in semicircle card in the annular groove on drill bit top
The axially position of existing drill bit.
In general, by the contemplated above technical scheme of the utility model compared with prior art, can reach with
Lower beneficial effect：
1st, when two two passage drilling rods connect up and down in boring procedure, the outer layer drilling rod of two passage drilling rods above unloading is only needed
The screw thread of the outer layer drilling rod top connection of lower contact and following two passages drilling rod, is plug connection mode between internal layer drilling rod, interior
Layer drilling rod has then been automatically performed connection, and using this kind of connection mode, unscrewing of drill rod is convenient, fast, reliable, and the leakproofness of drilling rod
Well, manufacture cost is low；
2nd, the drilling cuttings such as flour sand that drilling construction produces is unlike conventional process mode is discharged at aperture, but from center
Discharge in central passage, carries out organized discharge after follow-up dusty gas separator is stood, avoids to air
Dust pollution, is conducive to improve worker's construction environment situation.
Brief description of the drawings
Specific embodiment of the present utility model is further described in detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is a kind of integrally-built sectional view of environment-friendly type air down-hole hammer drilling tool of the utility model；
Fig. 2 is environment-friendly type air down-hole hammer drilling tool bore process schematic diagram；
In figure：1- drilling rod top connections, the outer drilling rods of 2-, drilling rod in 3-, 4- central passages, 5- drilling rod lower contacts, on 6- inner casings
End cap, 7- pistons, 8- landwaste hole, 9- drill bits, 10- air compressors, 11- drilling tools, 12- dusty gas separators.
Embodiment
As shown in Figure 1, being a kind of integrally-built sectional view of environment-friendly type air down-hole hammer drilling tool, including connect on drilling rod
First 1, outer drilling rod 2, interior drilling rod 3, central passage 4, drilling rod lower contact 5, inner casing upper end cover 6, piston 7, landwaste hole 8 and drill bit 9, institute
It is two channel design of coaxial-type to state drilling tool, and central passage 4, structure between internal layer drilling rod 3 and outer layer drilling rod 2 are equipped with internal layer drilling rod 3
Into outer layer clearance channel be second layer passage, the connection mode of two passage drilling tool of coaxial-type is respectively in drilling：One above
2 lower contact of outer layer drilling rod of two passage drilling rods and the outer layer drilling rod top connection 1 of a following two passage drilling rods are connected through a screw thread；
It is inserting mode connection between the internal layer drilling rod of internal layer drilling rod 3 and a following two passage drilling rods.
As a kind of technical optimization scheme of the utility model, the two passage drilling tool structure of coaxial-type, by outer layer drilling rod
Top connection 1 is connected by screw thread with drilling machine, and outer 2 lower end of drilling rod is connected through a screw thread to be connected with the upper end of outer layer drilling rod lower contact 5,
The lower end of outer drilling rod lower contact 5 is connected by screw thread with 1 upper end of down-hole hammer drilling rod top connection, and down-hole hammer outer tube upper end passes through screw thread
It is connected with its 1 lower end of top connection, down-hole hammer outer tube lower end is connected through a screw thread spline housing.
As a kind of technical optimization scheme of the utility model, the interior drilling rod 3 is fixed in outer layer drilling rod 2, and center leads to
The pipeline insertion inner casing upper end cover 6 in road 4 is simultaneously fixed, and inner casing upper end cover 6 is mounted in the upper surface of inner casing, inner casing, spacer and bushing according to
Secondary piston 7 is loaded in inner casing in the inner cylinder face of outer shell, and drill bit 9 is inserted into spline in the spline of spline housing, uses semicircle
It is stuck in the annular groove on 9 top of drill bit, realizes the axially position of drill bit 9.
A kind of bore process principle of environment-friendly type air down-the-hole hammer drill hole drill tool of the utility model is as shown in Fig. 2, start to bore
Kong Qian, the drilling tool in connecting hole, including air down-hole hammer and drill bit 9 and two passage drilling rod 2,3 of coaxial-type, two passage of coaxial-type bore
Tool constitutes two fluid passages mutually closing, is the endoporus central passage 4 of drilling tool internal layer drilling rod 3, by internal layer drilling rod 3 with
The outer shroud clearance channel that outer layer drilling rod 2 is formed；In drilling by the compressed air that air compressor 10 exports through outer layer drilling rod 2 with it is interior
Layer drilling rod 3 form outer shroud clearance channel, into air down-hole hammer in driving down-hole hammer 11 work, the high frequency high energy impact of generation
Power, directly acts on drill bit 9, realizes the efficient detritus drilling of device to hole bed rock stone；The exhaust gas after down-hole hammer work is driven through end
Aperture discharge, due to foring negative pressure in the internal layer drilling rod 3 of end, air will carry the drilling cuttings such as the flour sand after drilling from
Central passage 4 is discharged.
The air discharged from central passage 4 is incorporated into the obturator of a dusty gas separator 12, in bulk container
The end set one of gas outlet has the dust-filtering cloth of some strength, which allows air permeable, do not allow powder
Dirt passes through.After roughneck systems work a period of time, the dust stood in dusty gas separator 12 should be carried out in time
Processing；The acceptable air that will be come out from powder dust separating device, accesses the air inlet of air compressor 10, is carried for air compressor 10
For air source, air circulation loop is established, so as to avoid the extraneous air of pollution is continued, while is from 4 row of central passage
The drilling cuttings gone out provides power.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
For limiting the utility model, any modification for being made where within the spirit and principles of the present invention, equivalent substitution and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (3)
1. a kind of environment-friendly type air down-hole hammer drilling tool, including drilling rod top connection（1）, outer drilling rod（2）, interior drilling rod（3）, central passage
（4）, drilling rod lower contact（5）, inner casing upper end cover（6）, piston（7）, landwaste hole（8）And drill bit（9）, it is characterised in that：The brill
Have for two channel design of coaxial-type, internal layer drilling rod（3）In be equipped with central passage（4）, internal layer drilling rod（3）With outer layer drilling rod（2）It
Between the outer layer clearance channel that forms be second layer passage, the connection mode of two passage drilling tool of coaxial-type is respectively in drilling：Above
The outer layer drilling rod of a piece two passage drilling rods（2）Lower contact and the outer layer drilling rod top connection of a following two passage drilling rods（1）Pass through
It is threadedly coupled；Internal layer drilling rod（3）It is that inserting mode is connected between the internal layer drilling rod of a following two passage drilling rods.
2. environment-friendly type air down-hole hammer drilling tool described in accordance with the claim 1, it is characterised in that：The two passage drilling tool of coaxial-type
Structure, is by outer layer drilling rod top connection（1）It is connected by screw thread with drilling machine, outer drilling rod（2）Lower end is connected through a screw thread and outer layer
Drilling rod lower contact（5）Upper end be connected, outer drilling rod lower contact（5）Lower end pass through screw thread and down-hole hammer drilling rod top connection（1）On
End connection, down-hole hammer outer tube upper end passes through screw thread and its top connection（1）Lower end connects, and down-hole hammer outer tube lower end is connected through a screw thread
Spline housing.
3. environment-friendly type air down-hole hammer drilling tool described in accordance with the claim 1, it is characterised in that：The interior drilling rod（3）It is fixed on
Outer layer drilling rod（2）It is interior, central passage（4）Pipeline insertion inner casing upper end cover（6）And fixed, inner casing upper end cover（6）Mounted in inner casing
Upper surface, inner casing, spacer and bushing successively mounted in outer shell inner cylinder face in, piston（7）Loaded in inner casing, drill bit（9）With
In the spline of spline insertion spline housing, drill bit is stuck in semicircle card（9）In the annular groove on top, drill bit is realized（9）Axial direction determine
Position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721248056.4U CN207363591U (en) | 2017-09-27 | 2017-09-27 | A kind of environment-friendly type air down-hole hammer drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721248056.4U CN207363591U (en) | 2017-09-27 | 2017-09-27 | A kind of environment-friendly type air down-hole hammer drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207363591U true CN207363591U (en) | 2018-05-15 |
Family
ID=62349723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721248056.4U Active CN207363591U (en) | 2017-09-27 | 2017-09-27 | A kind of environment-friendly type air down-hole hammer drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207363591U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113944424A (en) * | 2020-07-15 | 2022-01-18 | 中泵(无锡)流体装备有限公司 | Hydraulic down-the-hole hammer |
-
2017
- 2017-09-27 CN CN201721248056.4U patent/CN207363591U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113944424A (en) * | 2020-07-15 | 2022-01-18 | 中泵(无锡)流体装备有限公司 | Hydraulic down-the-hole hammer |
| CN113944424B (en) * | 2020-07-15 | 2023-06-09 | 中泵(无锡)流体装备有限公司 | Hydraulic down-the-hole hammer |
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