CN203531746U - Bunched type reverse circulation pneumatic down-hole hammer - Google Patents
Bunched type reverse circulation pneumatic down-hole hammer Download PDFInfo
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- CN203531746U CN203531746U CN201320574406.1U CN201320574406U CN203531746U CN 203531746 U CN203531746 U CN 203531746U CN 201320574406 U CN201320574406 U CN 201320574406U CN 203531746 U CN203531746 U CN 203531746U
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- hole hammer
- central tube
- hole
- circulates
- cylindrical shell
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Abstract
A bunched type reverse circulation pneumatic down-hole hammer comprises an air distribution chamber, a barrel type apron and a center pipe penetrating through the air distribution chamber and the barrel type apron. At least one layer of combined secondary hammers are arranged between the barrel type apron and the center pipe and comprise a plurality of down-hole hammer units which are arranged in the circumferential direction of the center pipe. The center pipe is communicated with the air distribution chamber through air inlets in the pipe wall, the air distribution chamber is communicated with the piston cylinders in the down-hole hammer units, the bottom of the barrel type apron is provided with bottom lip baffles which are arranged on the center pipe and the down-hole hammer units in a sleeved mode, and the bottom lip baffles are provided with a plurality of slag suction openings. The slag suction openings are communicated with the center pipe through slag suction pipes, an inner pipe is arranged in the center pipe, and the two ends of the inner pipe are communicated with the center pipe. The down-hole hammer units can act at the same time through impacting, effectively drill, and achieve reverse circular drilling, are suitable for air efficient drilling of large-diameter water-bearing stratums, and overcome the defects that when normal circulation drilling is carried out on the water-bearing stratums, circulation media are poor in rock powder carrying performance in the drilling process, potential safety hazards exist in holes, and quick drilling can not be carried out.
Description
Technical field
The utility model belongs to drilling construction field, is specifically related to the anti-pneumatic down-hole hammer that circulates of a kind of cluster type.
Background technology
At present; domestic in heavy caliber coal mine gas discharge orifice, drain hole, Cooling Holes or mine emergency rescue hole, mine crisis rescue drilling construction; adopt the way of conventional mud direct circulation rock bit classification reaming to realize construction task; this conventional drilling method is because drill string and boring annular gap are compared with large and the speed of backflowing on mud is slow; carry bulky grain rock dust ability and cause drill bit to repeat fragmentation, drilling efficiency is very low.Also have indivedual units in charge of construction application combination rock bit gas lift reverse circulation drilling process technology, although solved eliminating debris issues, because rock bit self is low for hard-rock boring efficiency, thereby efficiency of construction is also lower.Cluster type direct circulation pneumatic down-hole hammer drilling efficiency is high, but also often because existing water level to have its limitation in holing.When hole construction is speedily carried out rescue work in heavy caliber coal mine gas discharge orifice, drain hole, Cooling Holes or mine emergency rescue hole, mine crisis; adopt conventional mud direct circulation technology efficiency of construction extremely low; use cluster type direct circulation pneumatic down-hole hammer efficiency higher; but often run into aquifer in boring; at this moment cluster type direct circulation pneumatic down-hole hammer carries rock dust ability, cannot fast drilling.
Utility model content
The object of the present invention is to provide and a kind ofly can realize the anti-pneumatic down-hole hammer that circulates of cluster type that anti-circulatory mediator high-efficient impacting down-the-hole creeps into.
In order to achieve the above object, the technical solution adopted in the utility model is: comprise gas distributing chamber, cylindrical shell apron and the top central tube for being connected with double-wall drill pipe post, central tube runs through gas distributing chamber and cylindrical shell apron successively; One deck combination hammer is at least set between cylindrical shell apron and central tube, and every layer of combination hammer is comprised of some down-hole hammers that make progress in central tube week that are evenly arranged on; Central tube is connected with gas distributing chamber by the air inlet of offering on its tube wall; Gas distributing chamber respectively with piston-cylinder in down-hole hammer be connected; Cylindrical shell apron bottom is provided with the end lip baffle plate being enclosed within on central tube and down-hole hammer, on end lip baffle plate, offer some for absorbing the slag suction mouth of the circulatory mediator that carries rock dust, each slag suction mouth is connected with central tube by corresponding dreg inhaling pipe (19), in central tube, be provided with and prevent from carrying the inner tube that the circulatory mediator of rock dust enters air inlet, and the two ends of inner tube are connected with central tube.
Between adjacent down-hole hammer, offer a slag suction mouth.
Described slag suction mouth edge is also provided with arc, and arc is arranged on end lip baffle plate.
On the sidewall of described central tube bottom, be provided with centralizer.
Described centralizer is comprised of some wing plates.
In described cylindrical shell apron, be provided with the fixed head being enclosed within on central tube and down-hole hammer.
Described fixed head comprises that, along cylindrical shell apron axial arranged middle fixed head and bottom plate, bottom plate and end lip baffle plate are fixed together.
The top of described cylindrical shell apron is provided with the junction plate for fixed cylinder apron, and upper mounted plate is fixed on cylindrical shell apron by junction plate.
Described down-hole hammer comprises down-the-hole hammer body and the down-the-hole tup being connected with down-the-hole hammer body bottom, down-the-hole hammer body top is provided with the jointing penetrating on junction plate, and gas distributing chamber is connected with the jointing of each down-the-hole hammer body by penetrating the wireway of upper mounted plate respectively; End lip baffle-plate-sleeve is on down-the-hole tup and central tube (10).
The top of described central tube is provided with for connecting the thread of double-wall drill pipe post and central tube.
Compared with prior art, the beneficial effects of the utility model are: the utility model in use central tube top is connected with double-wall drill pipe post, central tube is also communicated with gas distributing chamber by the air inlet of offering on its tube wall, and gas distributing chamber is connected with the piston/cylinder of each down-hole hammer respectively, therefore, air compressor machine can be sent into central tube by the annular gap of double-wall drill pipe post inner and outer pipes by the pressure-air of little air quantity, then the air inlet of offering from central tube tube wall enters gas distributing chamber, and gas distributing chamber is assigned to pressure-air uniformly each down-hole hammer and realizes impact acting; Because pressure-air is to be assigned to each down-hole hammer simultaneously, so in the utility model, the impact of each down-hole hammer acting is carried out, and can realize efficiently and creeping into simultaneously.In addition, owing to offering the slag suction mouth being connected with central tube on end lip backplate, therefore, the cooling down-the-hole tup of air after pressure release also carries the slag suction mouth of rock dust from end lip backplate in down-the-hole tup bottom and enters central tube; Simultaneously owing to being also provided with in central tube, prevent from carrying the inner tube that the circulatory mediator (air) of rock dust enters air inlet, therefore, carry the inner tube that the circulatory mediator (air) of rock dust can enter drill string center by inner tube and return earth's surface deslagging, realize reverse circulation drilling; The utility model is applicable to creeping into of aquifer, has overcome direct circulation and has crept into when running into aquifer, and drilling process carries rock dust ability, defect that cannot fast drilling.
Accompanying drawing explanation
Fig. 1 is overall schematic of the present utility model;
Fig. 2 is the sectional view of Fig. 1; Wherein, the A-A ' sectional view that a is Fig. 1, the B-B ' sectional view that b is Fig. 1;
Fig. 3 is the utility model concrete structure schematic diagram;
Fig. 4 is the sectional view of Fig. 3; Wherein, the A-A ' sectional view that a is Fig. 3, the B-B ' sectional view that b is Fig. 3; C is the C-C ' sectional view of Fig. 3, the D-D ' sectional view that d is Fig. 3;
Fig. 5 is the slag suction mouth on lip baffle plate and the annexation figure of central tube at the bottom of the utility model;
Wherein, 1, thread, 2, inner tube, 3, gas distributing chamber, 4, air inlet, 5, wireway, 6, upper mounted plate, 7, junction plate, 8, jointing, 9, cylindrical shell apron, 10, central tube, 11, middle fixed head, 12, down-the-hole hammer body, 13, bottom plate, 14, end lip baffle plate, 15, down-the-hole tup, 16, centralizer, 17, slag suction mouth, 18, lower connecting bolt, 19, dreg inhaling pipe, 20, upper connecting bolt.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Referring to Fig. 1-Fig. 3, the utility model comprises gas distributing chamber 3, cylindrical shell apron 9 and axially run through successively the central tube 10 of gas distributing chamber 3 and cylindrical shell apron 9 along cylindrical shell apron 9, central tube 10 is for transmitting torque, and central tube 10 coaxially arranges with cylindrical shell apron 9, the top of central tube 10 is provided with the thread 1 for being connected with double-wall drill pipe post, on the bottom sidewall of central tube 10, be provided with the centralizer 16(that formed by six wing plates referring in Fig. 2 a), centralizer 16 is concentric with reaming bit for guide hole double-wall drill pipe post before righting, before guaranteeing, guide hole and reaming are concentric realizes uniform stressed reaming on circumference, between cylindrical shell apron 9 and central tube 10, be provided with one deck combination hammer, cylindrical shell apron 9 can wrap up combination down-hole hammer, wear-resistant, and combination son hammer is evenly arranged on by four groups the down-hole hammer that central tube makes progress for 10 weeks and forms, down-hole hammer comprises down-the-hole hammer body 12 and the down-the-hole tup 15 being connected with down-the-hole hammer body 12 bottoms, and central tube 10 is connected with gas distributing chamber 3 by the air inlet 4 of offering on central tube tube wall, gas distributing chamber 3 is connected with the piston-cylinder in down-the-hole hammer body by wireway 5 respectively, cylindrical shell apron 9 bottoms are provided with end lip baffle plate 14, end lip baffle plate 14 is enclosed within on down-the-hole tup 15 and central tube 10, on end lip baffle plate 14, offer four for absorbing the slag suction mouth 17 of the circulatory mediator that carries rock dust, and between adjacent down-the-hole tup 15, only hold a slag suction mouth 17, each slag suction mouth 17 edge is also provided with the arc that can avoid rock dust to leak, and arc is arranged on (referring to b in Fig. 2) on end lip baffle plate 14,
Referring to Fig. 5, each slag suction mouth 17 is communicated with on central tube 10 by corresponding dreg inhaling pipe 19, be provided with and prevent from carrying the inner tube 2 that the circulatory mediator of rock dust enters air inlet 4, and the two ends of inner tube 2 is connected with central tube 10 in central tube 10.The circulatory mediator that carries rock dust that slag suction mouth 17 absorbs leads to central tube by dreg inhaling pipe 19, and the inner tube that finally enters double-wall drill pipe post from inner tube, realizes anti-circulation canal unimpeded.
Referring to a-d in Fig. 4, on cylindrical shell apron 9, be provided with fixed head, fixed head is enclosed within on central tube 10 and down-the-hole hammer body 12.Fixed head comprises along the axial arranged middle fixed head 11 of cylindrical shell apron 9 and bottom plate 13; Middle fixed head can bundle central tube 10 and each down-the-hole hammer body, firm moment of torsion, bottom plate 13 is fixed together by four lower connecting bolts 18 with end lip baffle plate 14, and bottom plate 13 can bundle central tube and each down-the-hole hammer body equally, firm moment of torsion, the while is end lip baffle plate fixedly.The top of cylindrical shell apron 9 is provided with the junction plate 7 for fixed cylinder apron 9, upper mounted plate 6 is fixed on upper mounted plate on cylindrical shell apron 9 by junction plate 7, and upper mounted plate, junction plate 7, cylindrical shell apron 9 are fixed together by 8 upper connecting bolts 20, down-the-hole hammer body 12 tops are provided with the jointing 8 that penetrates junction plate 7, gas distributing chamber 3 is respectively by penetrating the wireway 5 of upper mounted plate 6 and the jointing 8 of each down-the-hole hammer body 12 is connected, and upper mounted plate 6 is for boundling down-hole hammer.
The utility model is subject to bore diameter size, according to cylindrical shell apron 9 diameters and down-hole hammer size, two-layer or two-layer above combination hammer can also be set, the down-hole hammer that forms combination hammer also can design according to actual conditions the number of down-hole hammer, four down-hole hammers that are not limited only to mention.
Operating principle of the present utility model is as follows:
The utility model belongs to heavy caliber drawing-off gas hole or the construction of mine rescue hole, the operating principle of the anti-reaming pneumatic down-hole hammer that circulates of cluster type is just in time contrary with direct circulation pneumatic down-hole hammer, the utility model is, by air compressor machine, the air of little air quantity high pressure is delivered to the central tube 10 being attached thereto through the annular gap of double-wall drill pipe post, then by the air inlet 4 of offering on central tube tube wall, delivered in gas distributing chamber 3, pressure-air is in the interior focused energy of gas distributing chamber 3, pressure in gas distributing chamber 3 acquires a certain degree, just by wireway 5, the pressure-air of focused energy is distributed to the piston-cylinder in each down-the-hole hammer body, piston promotes down-the-hole tup and creeps into forward, because gas distributing chamber 3 distributes to each piston-cylinder by wireway 5 by gases at high pressure simultaneously, therefore, piston promotion down-the-hole tup 15 carries out reaming and also carries out simultaneously, so just can utilize air pressure to realize each down-hole hammer and impact acting, reduce construction period, the object reducing costs.In addition, in gas distributing chamber 3, during to piston/cylinder distribution of gas, the pressure in gas distributing chamber 3 also can reduce gradually, and when being reduced to certain pressure, gas distributing chamber 3 will interrupt to the piston/cylinder air feed in each down-the-hole hammer body, and down-hole hammer stops impacting acting.And gas distributing chamber 3 is also gathering strength simultaneously again, treat that energy is enough that pressure reaches a certain size, can again distribute gases at high pressure, make each down-hole hammer impact acting simultaneously.The cooling drill bit of air after pressure release also carries rock dust in down-the-hole tup bottom and enters central tube from the slag suction mouth of end lip backplate, then by the inner tube in central tube, enters Fan Dao earth's surface, drill string center deslagging, and realization is crept into.
The utility model adopts three-dimensional space drawing technology, and drilling process under simulation well adopts down-hole hammer operating principle, by rigorous science, calculate, reasonable integrated down-the-hole hammer body, utilizes double wall drill tool to realize anti-circulatory mediator high-efficient impacting down-the-hole and creeps into object, completes construction task.
Claims (10)
1. the anti-pneumatic down-hole hammer that circulates of cluster type, is characterized in that: comprise gas distributing chamber (3), cylindrical shell apron (9) and the top central tube (10) for being connected with double-wall drill pipe post, central tube (10) runs through gas distributing chamber (3) and cylindrical shell apron (9) successively; One deck combination hammer is at least set between cylindrical shell apron (9) and central tube (10), and every layer of combination hammer is comprised of some down-hole hammers that make progress in central tube (10) week that are evenly arranged on; Central tube (10) is connected with gas distributing chamber (3) by the air inlet (4) of offering on its tube wall; Gas distributing chamber (3) respectively with piston-cylinder in down-hole hammer be connected; Cylindrical shell apron (9) bottom is provided with the end lip baffle plate (14) being enclosed within on central tube (10) and down-hole hammer, on end lip baffle plate (14), offer some for absorbing the slag suction mouth (17) of the circulatory mediator that carries rock dust, each slag suction mouth (17) is connected with central tube (10) by corresponding dreg inhaling pipe (19), in central tube (10), be provided with and prevent from carrying the inner tube (2) that the circulatory mediator of rock dust enters air inlet (4), and the two ends of inner tube (2) are connected with central tube (10).
2. the anti-pneumatic down-hole hammer that circulates of cluster type according to claim 1, is characterized in that: between adjacent down-hole hammer, offer a slag suction mouth (17).
3. the anti-pneumatic down-hole hammer that circulates of cluster type according to claim 1 and 2, is characterized in that: described slag suction mouth (17) edge is also provided with arc, and arc is arranged on end lip baffle plate (14).
4. the anti-pneumatic down-hole hammer that circulates of cluster type according to claim 1, is characterized in that: on the sidewall of described central tube (10) bottom, be provided with centralizer (16).
5. the anti-pneumatic down-hole hammer that circulates of cluster type according to claim 4, is characterized in that: described centralizer (16) is comprised of some wing plates.
6. the anti-pneumatic down-hole hammer that circulates of cluster type according to claim 1, is characterized in that: in described cylindrical shell apron (9), be provided with the fixed head being enclosed within on central tube (10) and down-hole hammer.
7. the anti-pneumatic down-hole hammer that circulates of cluster type according to claim 6, it is characterized in that: described fixed head comprises along the axial arranged middle fixed head (11) of cylindrical shell apron (9) and bottom plate (13), bottom plate (13) is fixed together with end lip baffle plate (14).
8. the anti-pneumatic down-hole hammer that circulates of cluster type according to claim 6, it is characterized in that: the top of described cylindrical shell apron (9) is provided with the junction plate (7) for fixed cylinder apron (9), and upper mounted plate (6) is fixed on cylindrical shell apron (9) by junction plate (7).
9. the anti-pneumatic down-hole hammer that circulates of cluster type according to claim 8, it is characterized in that: described down-hole hammer comprises down-the-hole hammer body (12) and the down-the-hole tup (15) being connected with down-the-hole hammer body (12) bottom, down-the-hole hammer body (12) top is provided with the jointing (8) penetrating on junction plate (7), and gas distributing chamber (3) is respectively by penetrating the wireway (5) of upper mounted plate (6) and the jointing (8) of each down-the-hole hammer body (12) is connected; End lip baffle plate (14) is enclosed within on down-the-hole tup (15) and central tube (10).
10. the anti-pneumatic down-hole hammer that circulates of cluster type according to claim 1, is characterized in that: the top of described central tube (10) is provided with the thread (1) for connecting double-wall drill pipe post and central tube (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320574406.1U CN203531746U (en) | 2013-09-16 | 2013-09-16 | Bunched type reverse circulation pneumatic down-hole hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320574406.1U CN203531746U (en) | 2013-09-16 | 2013-09-16 | Bunched type reverse circulation pneumatic down-hole hammer |
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| Publication Number | Publication Date |
|---|---|
| CN203531746U true CN203531746U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320574406.1U Expired - Fee Related CN203531746U (en) | 2013-09-16 | 2013-09-16 | Bunched type reverse circulation pneumatic down-hole hammer |
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|---|---|
| CN (1) | CN203531746U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499935A (en) * | 2014-12-08 | 2015-04-08 | 中煤科工集团西安研究院有限公司 | Reverse circulation cluster typedownhole hammer for reaming |
| CN105041199A (en) * | 2015-05-28 | 2015-11-11 | 山东中瑞工程机械有限公司 | Bundling type down-the-hole hammer |
| CN106907105A (en) * | 2015-12-23 | 2017-06-30 | 中南大学 | A kind of horizontal directional drilling machine cluster type reaming pneumatic impact equipment |
| CN107387035A (en) * | 2017-09-13 | 2017-11-24 | 吉林大学 | Gas injection High Pressure Drain system in a kind of well |
| CN110644928A (en) * | 2019-10-11 | 2020-01-03 | 中煤科工集团西安研究院有限公司 | Drill bit positioning device of cluster type reverse circulation down-the-hole hammer and down-the-hole hammer thereof |
| CN110984844A (en) * | 2019-12-17 | 2020-04-10 | 山东浩洲地热工程有限公司 | Cluster impactor |
| CN112983274A (en) * | 2021-03-09 | 2021-06-18 | 中国石油大学(华东) | Rotary guide type two-stage down-the-hole hammer drill |
| CN113565431A (en) * | 2021-08-27 | 2021-10-29 | 中国铁建重工集团股份有限公司 | Pressure control method of air compressor for pneumatic down-the-hole hammer |
| CN115788280A (en) * | 2022-11-18 | 2023-03-14 | 浩洲钻科工程机械(山东)有限公司 | Independent multi-channel full-hole reverse circulation cluster type down-the-hole |
-
2013
- 2013-09-16 CN CN201320574406.1U patent/CN203531746U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499935A (en) * | 2014-12-08 | 2015-04-08 | 中煤科工集团西安研究院有限公司 | Reverse circulation cluster typedownhole hammer for reaming |
| CN104499935B (en) * | 2014-12-08 | 2018-08-10 | 中煤科工集团西安研究院有限公司 | Reaming reacting cycle cluster type down-hole hammer |
| CN105041199A (en) * | 2015-05-28 | 2015-11-11 | 山东中瑞工程机械有限公司 | Bundling type down-the-hole hammer |
| CN106907105A (en) * | 2015-12-23 | 2017-06-30 | 中南大学 | A kind of horizontal directional drilling machine cluster type reaming pneumatic impact equipment |
| CN107387035A (en) * | 2017-09-13 | 2017-11-24 | 吉林大学 | Gas injection High Pressure Drain system in a kind of well |
| CN110644928A (en) * | 2019-10-11 | 2020-01-03 | 中煤科工集团西安研究院有限公司 | Drill bit positioning device of cluster type reverse circulation down-the-hole hammer and down-the-hole hammer thereof |
| CN110984844A (en) * | 2019-12-17 | 2020-04-10 | 山东浩洲地热工程有限公司 | Cluster impactor |
| CN112983274A (en) * | 2021-03-09 | 2021-06-18 | 中国石油大学(华东) | Rotary guide type two-stage down-the-hole hammer drill |
| CN112983274B (en) * | 2021-03-09 | 2023-03-14 | 中国石油大学(华东) | Rotary guide type two-stage down-the-hole hammer drill |
| CN113565431A (en) * | 2021-08-27 | 2021-10-29 | 中国铁建重工集团股份有限公司 | Pressure control method of air compressor for pneumatic down-the-hole hammer |
| CN115788280A (en) * | 2022-11-18 | 2023-03-14 | 浩洲钻科工程机械(山东)有限公司 | Independent multi-channel full-hole reverse circulation cluster type down-the-hole |
| CN115788280B (en) * | 2022-11-18 | 2023-09-26 | 浩洲钻科工程机械(山东)有限公司 | Independent multi-channel full-hole reverse circulation bundling type down-the-hole hammer |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20210916 |