CN102213074A - Rotary impact type rock drilling machine and double-layer drilling rod mechanism - Google Patents
Rotary impact type rock drilling machine and double-layer drilling rod mechanism Download PDFInfo
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Abstract
The invention discloses a rotary impact type rock drilling machine and a double-layer drilling rod mechanism. The rotary impact type rock drilling machine comprises an excitation mechanism, a rotating mechanism and a flushing mechanism, wherein the rotating mechanism comprises a rotary box body, a driving gear, a rotary gear and a rotary coupling sleeve; the rotary gear is tightly sheathed on the rotary coupling sleeve and meshed with the driving gear; a coupling link is arranged in the rotary coupling sleeve, the rotary coupling sleeve is connected with the double-layer drilling rod mechanism, an impact drilling column which is positioned by a guide shaft bushing is arranged in an outer-layer rotating drilling pipe of the double-layer drilling rod mechanism, a clamping lock for connecting the coupling link is arranged at the top of the inner-layer impact drilling column, an impact head connected with the impact drilling column is arranged in a drilling bit coupling sleeve, and a drilling bit positioned below the impact head is connected with the drilling bit coupling sleeve through front coupling. As the impact head is positioned at the bottom of the double-layer drilling rod mechanism and acts on the drilling bit directly, the impact energy generated by the rotary impact type rock drilling machine can not be weakened along with the increase of the length of a drilling rod, the rotary impact type rock drilling machine has high efficiency of a hydraulic rock drilling machine and also has the advantages of good transfer of impact energy and straight drilling of a downhole drill; furthermore, the high impact energy can be easy to generate, and large-aperture drilling and deep hole rock drilling can be realized.
Description
Technical field
The present invention relates to engineering machinery and mining machinery technical field, especially for the rotary-percussion rock drilling machine that on the drilling tool direction, produces shock wave pulse.
Background technology
Hammer drill is a kind of plant equipment that is used for rock-boring, at present on the market rock drilling equipment mainly based on aeratic hidden hole rig and top impact type hydraulic rock drilling machine.Its beater mechanism down-the-hole hammer of aeratic hidden hole rig is in the bottom, can be good at transmitting impact energy, has advantages such as simple in structure, easy and simple to handle, that boring is straight, but its energy consumption height, cutting rate is low, the drilling tool quick abrasion.Impact Mechanism of Hydraulic Rock Drill is positioned at the top, transmit impact energy by the bump drilling rod, because of its capacity usage ratio height, cutting rate is fast, environment pollution is low and easily be automated and replace pneumatic gradually and electric rock drill, hydraulic rock technology numerous areas such as mine, water power, tunnel traffic has abroad obtained the excellent popularization application.In conventional hydraulic gate, shock wave pulse produces by means of impact piston, and this impact piston bump bit shank is delivered to shock wave on the drilling rod, and drilling rod further is delivered to drill bit with shock wave.Because of it transmits impact energy by sinker bar, along with run of steel increases, the impact energy that is delivered to drill bit is decayed, and exists the big gun hole easily to produce deflection, the low deficiency that waits of borehole accuracy.And current hydraulic gate operating principle all is to utilize the hydraulic pressure difference effect, forces impact piston to do to move back and forth at a high speed in cylinder body, produces impact energy, limited by Hydraulic Elements, its impact energy size is restricted, and therefore for large aperture and borehole drilling operation, its performance is unsatisfactory.For example, Chinese patent application number is " 200780041358 ", and name is called the patent of invention of " rock drilling method and hammer drill ".Chinese patent application number is called the patent of invention of " percussion mechanism and comprise the hammer drill of this percussion mechanism " for " 200780002786 " name.Also some top impact type hydraulic rock drilling machine adopts bilayer sleeve in order to reduce the hole deviation degree, the Coprod of Atlas Copco company for example, but it is just to the improvement of top boring by percussion rig, and effect there is no material alterations.
Summary of the invention
Technical problem to be solved by this invention provides a kind of high efficiency with hydraulic gate, has the down-the-hole drill impact energy again and transmits, the straight advantage of holing; And be easy to generate the HI high impact energy, the rotary-percussion rock drilling machine of realizing large-diameter borehole and borehole drilling with and the double-deck drilling rod mechanism that adopts.
The present invention solves the problems of the technologies described above with following technical scheme:
First inventive point, the rotary-percussion rock drilling machine comprises the exciting agency that is made of hydraulic motor, exciting casing, eccentric shaft, gear and eccentric block, rotating mechanism is installed in the bottom of exciting agency by the guide rod of band spring, flushing machine is installed in the bottom of rotating mechanism, it is characterized in that, described rotating mechanism is made of the driving gear, swiveling gear and the revolution coupling sleeve that turn round casing and be installed in the revolution casing, and swiveling gear tightly is enclosed within on the revolution coupling sleeve and with driving gear and is meshed; In the revolution coupling sleeve connecting rod that is installed in the exciting bottom half is arranged, the revolution coupling sleeve passes behind the flushing machine with double-deck drilling rod mechanism and is connected, bilayer drilling rod mechanism comprises that outer rotation drilling pipe and internal layer impact drill string, internal layer impacts drill string in the guiding bearing shell is positioned outer rotation drilling pipe, internal layer Churn drill column top is provided with the kayser that is used to connect connecting rod, the drill bit coupling sleeve is connected in double-deck drilling rod mechanism bottom, be provided with in the drill bit coupling sleeve with internal layer and impact the impact head that drill string is connected, be positioned at the drill bit that impacts the head below and be connected with the drill bit coupling sleeve through preceding connection.
Described double-deck drilling rod mechanism impacts drill string composition by skin rotation drilling pipe with internal layer, its outer rotation drilling pipe and drill bit coupling sleeve employing thread connection; Bilayer drilling rod mechanism is corresponding to be provided with many, adopts thread connection between the outer rotation drilling pipe, and internal layer impacts and adopts the buckle connection between the drill string; Internal layer impacts between drill string and the outer rotation drilling pipe and is provided with guiding bearing shell, locking bar ear and back-moving spring, the locking bar ear tightly is enclosed within internal layer and impacts on the drill string, back-moving spring is located at the locking bar ear and leads between the bearing shell, so that outer the rotation impacted drill string maintenance original position when drilling pipe separates.
The eccentric vibration mechanism that described exciting agency adopts paired eccentric shaft and eccentric block to form.
Described impact head is provided with kayser, links by the internal layer impact drill string of this kayser with double-deck drilling rod mechanism.
Second inventive point, bilayer drilling rod mechanism, it mainly impacts drill string composition by skin rotation drilling pipe and internal layer, internal layer impacts drill string and is positioned in the outer rotation drilling pipe by the guiding bearing shell, the two ends that outer rotation drilling pipe and internal layer impact drill string are provided with and are used for the connector that connects mutually with other mechanism, and internal layer impact drill string can be in the motion repeatedly of outer rotary drilling Guan Zhongzuo certain displacement.
The internal layer that the present invention adopts exciting agency to drive double-deck drilling rod mechanism impacts drill string and does motion repeatedly, the moving directly drill hammer of head that impacts of Churn drill cornice, produce impact energy, be positioned at double-deck drilling rod mechanism bottom owing to impact head, directly act on the drill bit, thereby the impact energy that acts on the drill bit can be along with run of steel increases and weakens; The present invention has the high efficiency of hydraulic gate, has the down-the-hole drill impact energy again and transmits, the straight advantage of holing; And be easy to generate the HI high impact energy, realize large-diameter borehole and borehole drilling.
Description of drawings
Fig. 1 is the structural representation of rotary-percussion rock drilling machine of the present invention.
Fig. 2 is the A-A cross-sectional schematic of Fig. 1.
Fig. 3 is the enlarged diagram that double-deck drilling rod mechanism is connected with drill bit among Fig. 1.
Among the figure: exciting agency 1, connecting rod 2, rotating mechanism 3, spring 4, the second hydraulic motors 5, swiveling gear 6, driving gear 7, revolution casing 8, revolution coupling sleeve 9, flushing machine 10, double-deck drilling rod mechanism 11 impacts 12, drill bit 13, the first hydraulic motors 14, the first are eccentric shaft 15 initiatively, exciting casing 16, the first eccentric blocks 17, the first driving gears 18, guide rod 19, the second eccentric shafts 20, the second eccentric blocks 21, first driven gear 22, back-moving spring 23, kayser 24, internal layer impacts drill string 25, guiding bearing shell 26, locking bar ear 27, outer rotation drilling pipe 28, drill bit coupling sleeve 29, preceding connection 30.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing:
The exciting agency 1 that the present invention adopts can adopt that Chinese patent application number is 201010596120.4, denomination of invention is " a kind of impact type hydraulic gate " related beater mechanism.The exciting agency 1 that present embodiment adopts is made of first hydraulic motor 14, exciting casing 16, the first active eccentric shaft 15, first driving gear 18, first driven gear 22, first eccentric block 17, second eccentric block 21, second eccentric shaft 20 and connecting rod 2, and two or four or more eccentric shaft and eccentric block in pairs also can be installed as required.Two same eccentric shafts and come on the exciting casing and to constitute eccentric group in the exciting agency, same eccentric block and gear are installed on the eccentric shaft, first driving gear 18 and first driven gear 22 in the eccentric group are meshing with each other, in the eccentric group first initiatively eccentric shaft 15 is connected with first hydraulic motor 14, the bottom of exciting casing 16 is equipped with connecting rod 2, and the internal layer of connecting rod 2 and double-deck drilling rod mechanism 11 impacts drill string 25 and connects through kayser 24.
Bilayer drilling rod mechanism 11 impacts drill string 25 by skin rotation drilling pipe 28 with internal layer and forms, and internal layer impacts drill string 25 tops and is provided with the kayser 24 that is used to connect connecting rod 2; Drill bit coupling sleeve 29 is positioned at its bottom, with the skin rotation drilling pipe 28 of double-deck drilling rod mechanism 11 by being threaded; Bilayer drilling rod mechanism 11 can correspondingly be provided with many, adopts thread connection between the outer rotation drilling pipe 28, and internal layer impacts and adopts the buckle connection between the drill string 25; Internal layer impacts between drill string 25 and the outer rotation drilling pipe 28 and is provided with guiding bearing shell 26, locking bar ear 27 and back-moving spring 23, locking bar ear 27 tightly is enclosed within internal layer and impacts on the drill string 25, back-moving spring 23 is located at locking bar ear 27 and leads between the bearing shell 26, so that outer the rotation impacted drill string maintenance original position when drilling pipe separates.
Described double-deck drilling rod mechanism 11 also can be applied to other field, its internal layer impacts drill string 25 and is positioned in the outer rotation drilling pipe 28 by guiding bearing shell 26, the two ends that outer rotation drilling pipe 28 and internal layer impact drill string 28 are provided with and are used for the connector that connects mutually with other mechanism, and internal layer impact drill string 25 can be done the motion repeatedly of certain displacement in outer rotary drilling pipe 28.
Internal layer impacts drill string 25 by placing guiding bearing shell 26 location on outer rotation drilling pipe 28 grooves, and internal layer impacts on the drill string 25 locking bar ear 27 and back-moving spring 23, impacts drill string 25 when outer rotation drilling pipe 28 is separated and keeps original position.
During operate as normal, first hydraulic motor 14 drives first initiatively eccentric shaft 15 rotations, driving first driving gear 18 simultaneously rotates, first driven gear 22 that is meshed with first driving gear 18 also rotates thereupon, and drive the second driven eccentric shaft 20 and carry out synchronous backward rotation, thereby realize the rotation of first eccentric block 17 and second eccentric block, 21 synchronous backwards, two eccentric blocks rotate the component of centrifugal force on two eccentric shaft center line connecting directions that produce and cancel out each other at one time, and the component on the vertical direction of two eccentric shaft lines of centres is mutual superposition and form exciting force then.Excitation force frequency and exciting force size can be controlled by first hydraulic motor, 14 rotating speeds and regulate.
Second hydraulic motor 5 drives driving gear 7 rotations in the revolution casing 8, driving the swiveling gear 6 that is meshed with it simultaneously rotates, swiveling gear 6 tightly is enclosed within on the revolution coupling sleeve 9, revolution coupling sleeve 9 links with the skin rotation drilling pipe 28 of double-deck drilling rod mechanism 11, drive outer rotation drilling pipe 28 rotations thus, outer rotation drilling pipe 28 and drill bit coupling sleeve 29 and before connect 30 and link, drive drill bit 13 thus and rotatablely move.As required, also can adopt the biliquid pressure motor to drive to increase moment of torsion.
Flushing machine 12 is by connecting pressure-air or water under high pressure, it is imported the gas port of revolution coupling sleeve 9, internal layer by double-deck drilling rod mechanism 11 impacts drill string 25 and the outer space that rotates between the drilling pipe 28 again, and pass a hole of impacting on 12, wash the stone flour that produces after the rock drilling from drill bit 13 ejections again.
The present invention adopts the off-centre group of exciting agency to be not limited to one group, can adopt two or more sets.Also can adopt the structure of multilayer or the eccentric group of many rows.
In order to make the exciting casing be difficult for being offset in vibration processes, being symmetrically arranged guide rod also can be that the top of each guide rod can interconnect by top board more than four.
Needs according to the rock drilling that deepens continuously; outer rotation drilling pipe 28 and internal layer impact drill string 25 can corresponding increase radical; can adopt threaded connection mode to connect between the outer rotation drilling pipe 28; also can adopt alternate manner to connect; internal layer impacts drill string 25 and connecting rod 2 and impacts a connecting mode of 12 and is not limited only to the buckle connecting mode; many are impacted drill string and be not limited only to the buckle connecting mode with connecting mode that last bar bar impacts drill string when extension bars; all can adopt as long as both can be linked up the mode of motion together, and all in protection scope of the present invention.
The present invention adopts distinctive double-deck drilling rod mechanism, make impact energy not need to be delivered to drill bit by the bump drill string, the effect that drill string played is similar to impact piston, directly driving an impact head generation shock wave acts on the drill bit, realized the bottom impact drilling, in essence difference has been arranged with traditional top impact type hydraulic rock drilling machine.In addition, the present invention produces the device of vibratory impulse and adopts the hydraulic pressure difference effect unlike known technology, force impact piston in cylinder body, to do to move back and forth at a high speed and produce shock wave, but adopt the eccentric wheel vibration principle to produce, thereby its impact energy can amplify as required easily, and is easy to regulate.
The present invention can adopt the full hydraulic drive mode, has high efficiency, low energy consumption advantage.Also can take motor-driven as required.
The invention is not restricted to above-mentioned embodiment, under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. rotary-percussion rock drilling machine, comprise the exciting agency that constitutes by hydraulic motor, exciting casing, eccentric shaft, gear and eccentric block, rotating mechanism is installed in the bottom of exciting agency by the guide rod of band spring, flushing machine is installed in the bottom of rotating mechanism, it is characterized in that, described rotating mechanism is made of the driving gear, swiveling gear and the revolution coupling sleeve that turn round casing and be installed in the revolution casing, and swiveling gear tightly is enclosed within on the revolution coupling sleeve and with driving gear and is meshed; In the revolution coupling sleeve connecting rod that is installed in the exciting bottom half is arranged, the revolution coupling sleeve passes behind the flushing machine with double-deck drilling rod mechanism and is connected, bilayer drilling rod mechanism comprises that outer rotation drilling pipe and internal layer impact drill string, internal layer impacts drill string in the guiding bearing shell is positioned outer rotation drilling pipe, internal layer Churn drill column top is provided with the kayser that is used to connect connecting rod, the drill bit coupling sleeve is connected in double-deck drilling rod mechanism bottom, be provided with in the drill bit coupling sleeve with internal layer and impact the impact head that drill string is connected, be positioned at the drill bit that impacts the head below and be connected with the drill bit coupling sleeve through preceding connection.
2. according to the described rotary-percussion rock drilling machine of claim 1, it is characterized in that described double-deck drilling rod mechanism impacts drill string composition by skin rotation drilling pipe with internal layer, its outer rotation drilling pipe and drill bit coupling sleeve employing thread connection; Bilayer drilling rod mechanism is corresponding to be provided with many, adopts thread connection between the outer rotation drilling pipe, and internal layer impacts and adopts the buckle connection between the drill string; Internal layer impacts between drill string and the outer rotation drilling pipe and is provided with guiding bearing shell, locking bar ear and back-moving spring, the locking bar ear tightly is enclosed within internal layer and impacts on the drill string, back-moving spring is located at the locking bar ear and leads between the bearing shell, so that outer the rotation impacted drill string maintenance original position when drilling pipe separates.
3. rotary-percussion rock drilling machine according to claim 1 is characterized in that, the eccentric vibration mechanism that described exciting agency adopts paired eccentric shaft and eccentric block to form.
4. rotary-percussion rock drilling machine according to claim 1 is characterized in that, described impact head is provided with kayser, links by the internal layer impact drill string of this kayser with double-deck drilling rod mechanism.
5. double-deck drilling rod mechanism, it is characterized in that, it mainly impacts drill string composition by skin rotation drilling pipe and internal layer, internal layer impacts drill string and is positioned in the outer rotation drilling pipe by the guiding bearing shell, the two ends that outer rotation drilling pipe and internal layer impact drill string are provided with and are used for the connector that connects mutually with other mechanism, and internal layer impact drill string can be in the motion repeatedly of outer rotary drilling Guan Zhongzuo certain displacement.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110125714.1A CN102213074B (en) | 2011-05-16 | 2011-05-16 | Rotary impact type rock drilling machine and double-layer drilling rod mechanism |
| US14/117,668 US9670728B2 (en) | 2011-05-16 | 2011-07-29 | Rotary impact drill and double-layer drilling rod mechanism |
| PCT/CN2011/001241 WO2012155305A1 (en) | 2011-05-16 | 2011-07-29 | Rotary impact type rock drilling machine and double-layer drilling rod mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110125714.1A CN102213074B (en) | 2011-05-16 | 2011-05-16 | Rotary impact type rock drilling machine and double-layer drilling rod mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102213074A true CN102213074A (en) | 2011-10-12 |
| CN102213074B CN102213074B (en) | 2014-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110125714.1A Expired - Fee Related CN102213074B (en) | 2011-05-16 | 2011-05-16 | Rotary impact type rock drilling machine and double-layer drilling rod mechanism |
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| CN (1) | CN102213074B (en) |
Cited By (16)
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| CN102720430A (en) * | 2012-06-18 | 2012-10-10 | 哈尔滨工业大学 | Coaxial integrated gyration and excitation drive device of drilling tools |
| CN103216227A (en) * | 2012-01-20 | 2013-07-24 | 刘素华 | Boring machine with reciprocating direct-impact effect |
| CN103277044A (en) * | 2013-06-17 | 2013-09-04 | 邵金安 | SDL pile work drilling method and pile work drilling machine specially used for implementing same |
| CN103334694A (en) * | 2013-06-17 | 2013-10-02 | 上海宏信设备工程有限公司 | Hydraulic down-hole hammer |
| CN104895487A (en) * | 2015-06-17 | 2015-09-09 | 广西恒日科技有限公司 | Combined drilling machine |
| CN105019825A (en) * | 2015-07-16 | 2015-11-04 | 北京航空航天大学 | Drilling machine structure containing three driving mechanisms |
| CN105275037A (en) * | 2014-06-10 | 2016-01-27 | 赵德朝 | Hydraulic breaking hammer |
| CN105927149A (en) * | 2016-07-07 | 2016-09-07 | 华北科技学院 | Coal seam drilling device and method capable of quickly penetrating through coal gangue |
| CN106088064A (en) * | 2016-07-15 | 2016-11-09 | 浙江省交通工程建设集团有限公司 | A kind of hard stratum precrushing three axle cement mixing pile drilling tool and construction method thereof |
| CN106223841A (en) * | 2016-08-01 | 2016-12-14 | 宋桂霞 | A kind of centering type rock drill |
| WO2016201590A1 (en) * | 2015-06-17 | 2016-12-22 | 唐忠盛 | High-frequency vibration longitudinal milling head and milling machine and boring machine having the milling head |
| CN107386958A (en) * | 2017-08-14 | 2017-11-24 | 朱国新 | A kind of novel bridge device |
| EP3236001A4 (en) * | 2014-12-19 | 2018-04-18 | Young Dug Yoon | Excavation apparatus using excavator |
| CN109403859A (en) * | 2018-12-04 | 2019-03-01 | 湖北三峡职业技术学院 | Countryside portable drilling system |
| CN109882092A (en) * | 2019-03-25 | 2019-06-14 | 无锡市安曼工程机械有限公司 | Two fluid grouting drilling tool |
| CN117386294A (en) * | 2023-12-11 | 2024-01-12 | 中交广州航道局有限公司 | Underwater impact rock crushing device |
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| CN103216227A (en) * | 2012-01-20 | 2013-07-24 | 刘素华 | Boring machine with reciprocating direct-impact effect |
| CN103216227B (en) * | 2012-01-20 | 2015-10-28 | 刘素华 | Back and forth fling drilling machine |
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| CN102720430A (en) * | 2012-06-18 | 2012-10-10 | 哈尔滨工业大学 | Coaxial integrated gyration and excitation drive device of drilling tools |
| CN103277044A (en) * | 2013-06-17 | 2013-09-04 | 邵金安 | SDL pile work drilling method and pile work drilling machine specially used for implementing same |
| CN103334694A (en) * | 2013-06-17 | 2013-10-02 | 上海宏信设备工程有限公司 | Hydraulic down-hole hammer |
| CN103277044B (en) * | 2013-06-17 | 2015-08-05 | 邵金安 | SDL stake work driving method and be exclusively used in and implement the pile work drilling machine of the method |
| CN105275037B (en) * | 2014-06-10 | 2017-10-03 | 赵德朝 | A kind of hydraulic breaking hammer |
| CN105275037A (en) * | 2014-06-10 | 2016-01-27 | 赵德朝 | Hydraulic breaking hammer |
| EP3236001A4 (en) * | 2014-12-19 | 2018-04-18 | Young Dug Yoon | Excavation apparatus using excavator |
| CN104895487A (en) * | 2015-06-17 | 2015-09-09 | 广西恒日科技有限公司 | Combined drilling machine |
| WO2016201590A1 (en) * | 2015-06-17 | 2016-12-22 | 唐忠盛 | High-frequency vibration longitudinal milling head and milling machine and boring machine having the milling head |
| CN104895487B (en) * | 2015-06-17 | 2017-09-26 | 广西恒日科技有限公司 | Combinationdrill |
| CN105019825B (en) * | 2015-07-16 | 2018-01-30 | 北京航空航天大学 | A kind of drill configuration for including three kinds of drive mechanisms |
| CN105019825A (en) * | 2015-07-16 | 2015-11-04 | 北京航空航天大学 | Drilling machine structure containing three driving mechanisms |
| CN105927149A (en) * | 2016-07-07 | 2016-09-07 | 华北科技学院 | Coal seam drilling device and method capable of quickly penetrating through coal gangue |
| CN106088064A (en) * | 2016-07-15 | 2016-11-09 | 浙江省交通工程建设集团有限公司 | A kind of hard stratum precrushing three axle cement mixing pile drilling tool and construction method thereof |
| CN106223841A (en) * | 2016-08-01 | 2016-12-14 | 宋桂霞 | A kind of centering type rock drill |
| CN107386958A (en) * | 2017-08-14 | 2017-11-24 | 朱国新 | A kind of novel bridge device |
| CN109403859A (en) * | 2018-12-04 | 2019-03-01 | 湖北三峡职业技术学院 | Countryside portable drilling system |
| CN109403859B (en) * | 2018-12-04 | 2024-02-09 | 湖北三峡职业技术学院 | Portable field drilling system |
| CN109882092A (en) * | 2019-03-25 | 2019-06-14 | 无锡市安曼工程机械有限公司 | Two fluid grouting drilling tool |
| CN117386294A (en) * | 2023-12-11 | 2024-01-12 | 中交广州航道局有限公司 | Underwater impact rock crushing device |
| CN117386294B (en) * | 2023-12-11 | 2024-02-20 | 中交广州航道局有限公司 | Underwater impact rock crushing device |
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