CN102108834B - Rock drilling machine - Google Patents
Rock drilling machine Download PDFInfo
- Publication number
- CN102108834B CN102108834B CN200910259719.6A CN200910259719A CN102108834B CN 102108834 B CN102108834 B CN 102108834B CN 200910259719 A CN200910259719 A CN 200910259719A CN 102108834 B CN102108834 B CN 102108834B
- Authority
- CN
- China
- Prior art keywords
- oil
- cavity
- cylinder
- pressure
- impact
- 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.)
- Expired - Fee Related
Links
Landscapes
- Earth Drilling (AREA)
Abstract
The invention discloses a rock drilling machine, which comprises a machine body, an oil motor used for driving a drilling tool to rotate through a transmission mechanism, an impactor used for driving the drilling tool to impact and drill rocks, a normal high-pressure oil cavity used for providing high pressure hydraulic oil, and an oil return cavity used for receiving return oil, wherein the oil inlet of the oil motor is connected with the normal high-pressure oil cavity through an oil inlet passage; the oil outlet of the oil motor is connected with the oil return cavity through an oil return passage; and the normal high-pressure oil cavity and the oil return cavity are arranged on the machine body. The normal high-pressure oil cavity and the oil return cavity are arranged on the machine body, an oil pipe and a power pump station connected with the external are not needed to be arranged, and the structure of the rock drilling machine is simplified, so that the rock drilling machine is lighter; moreover, the oil passages are shortened, and the pressure loss of the hydraulic oil is reduced.
Description
Technical field
The present invention relates to a kind of hammer drill.
Background technology
The existing hydraulic gate of independent outer revolution rotating drill rod mechanism that adopts is all adopt oil motor driven gear mechanism to rotate, and by bit shank mechanism Driving Torque, wherein, oil motor is that the pressure oil input exported by power pump station drove oil motor to rotate afterwards.For guide tracked hydraulic gate, this mode utilizes the mode of power pump station very ripe and convenient.But, for light hydraulic rock drill, no matter be supporting leg type or hand-held, because the pressure oil of oil motor has input and output, two oil pipes just must be had to connect power pump station, the input and output of hydraulic oil can be realized, operate very inconvenient, cause the increase of weight and cost, and because of pipeline long, make hydraulic oil large along stroke pressure loss.
Summary of the invention
The technical problem to be solved in the present invention is, provides a kind of lightweight and hammer drill that hydraulic oil linear loss is little.
For solving the problems of the technologies described above, the invention provides a kind of hammer drill, comprise body, for the oil motor by the rotation of transmission mechanism driving drilling tool, for driving the impactor of drilling tool impact drilling, for providing the normal high-voltage oil cavity of high pressure liquid force feed and the oil back chamber for receiving oil return, the oil-in of described oil motor connects described normal high-voltage oil cavity by oil input channel, the oil drain out of described oil motor connects described oil back chamber by back oil road, and described normal high-voltage oil cavity and oil back chamber are all located on described body.
Further, described oil input channel is provided with the adjusting device for regulating oil motor Driving Torque.
Further, described adjusting device comprises flow speed control valve, described flow speed control valve comprise series connection choke valve and for carrying out pressure compensated uniform-pressure-drop valve to described choke valve, described choke valve is communicated with the oil-in of described oil motor, and described uniform-pressure-drop valve is communicated with described normal high-voltage oil cavity; By arranging flow speed control valve, the uninterrupted of the hydraulic oil of input oil motor can be regulated, and the pressure remained steady of this hydraulic oil can be made, enabling oil motor stablize output torque.
Further, described impactor comprises impact oil cylinder and impact piston, and described impact oil cylinder has by the separated ante-chamber of described impact piston and back cavity, and described ante-chamber is described normal high-voltage oil cavity, and described back cavity is described oil back chamber; Extra oil pocket need not be set like this, make structure more simple, be also convenient to the further lightness of hammer drill.
Further, described impactor also comprises cushion cylinder, and described cushion cylinder and described back cavity are separated by described impact piston, and described cushion cylinder is communicated with described impact oil cylinder.
Further, described uniform-pressure-drop valve and described choke valve are all arranged on the cylinder body of described cushion cylinder.
Further, described transmission mechanism comprises gear train and turns drill sleeve cylinder, described gear train comprises the first less gear of intermeshing diameter and larger the second gear of diameter, and described first gear is connected with oil motor power, described second gear with turn drill sleeve cylinder power and be connected; By first and second gear, reduction of speed can be realized and increase torque.
A kind of hammer drill, comprise body, for drive drilling tool to rotate oil motor, for providing the normal high-voltage oil cavity of high pressure liquid force feed and the oil back chamber for receiving oil return, the oil-in of described oil motor connects described normal high-voltage oil cavity by oil input channel, the oil drain out of described oil motor connects described oil back chamber by back oil road, and described normal high-voltage oil cavity and oil back chamber are all located on described body.
The invention has the beneficial effects as follows: normal high-voltage oil cavity and oil back chamber are set on body, do not need additionally arrange oil pipe and be connected extraneous power pump station, simplify the structure of hammer drill, make hammer drill lighter, and shorten oil circuit, decrease the pressure loss of hydraulic oil.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of hammer drill;
Fig. 2 is the another kind of structural representation of hammer drill.
Detailed description of the invention
By reference to the accompanying drawings the present invention is described in further detail below by detailed description of the invention.
As shown in Figures 1 and 2, it is the first detailed description of the invention of hammer drill.Hammer drill comprises body 1 and is located at the oil motor 2 of this body 1, normal high-voltage oil cavity 3 and oil back chamber 4.Oil motor 2 drives drilling tool to rotate by transmission mechanism.Normal high-voltage oil cavity 3 is for providing high pressure liquid force feed, and the size of this high pressure designs according to demand.Oil back chamber 4 is for Ethylene recov force feed.The oil-in of oil motor 2 connects normal high-voltage oil cavity 3 by oil input channel 5, and the oil drain out of oil motor 2 connects oil back chamber 4 by back oil road 6.Because normal high-voltage oil cavity 3 and oil back chamber 4 are all located on body 1, do not need to arrange the oil pipe connecting power pump station, make the weight of whole hammer drill lighter, and only need shorter oil input channel and back oil road, hydraulic oil is reduced along the pressure loss of journey.
In order to control the Driving Torque of oil motor 2, this oil input channel 5 can arrange adjusting device 7, realize controlling the flow of hydraulic oil of input oil motor 2 and pressure by this adjusting device 7, and then realizing the control to oil motor 2 Driving Torque.
As shown in Figures 1 and 2, it is the second detailed description of the invention of hammer drill.Hammer drill comprises impactor 15, oil motor 2 and adjusting device 7.Impactor 15 is for driving drilling tool impact drilling, and it comprises impact oil cylinder 8, impact piston 9 and cushion cylinder 10.Impact oil cylinder 8 and drive impact piston 9, impact piston 9 drives drilling tool to carry out impact drilling, this impact oil cylinder 8 can adopt existing impact oil cylinder or other can play the structure of percussion.Cushion cylinder 10 for playing cushioning effect when impact drilling, cushion cylinder 10 also can adopt existing structure or other can play the structure of cushioning effect.Oil motor 2 is for rotating by transmission system drives drilling tool.Adjusting device 7 controls the Driving Torque of oil motor 2 for realizing.
Impact piston 9 is variable diameters structure, and it is made up of multistage piston.Impact oil cylinder 8 and have ante-chamber and back cavity, this ante-chamber and back cavity are separated by impact piston 9 section, and this ante-chamber keeps pressure, and this ante-chamber accommodates high pressure liquid force feed, and this ante-chamber is aforesaid normal high-voltage oil cavity 3.Back cavity is used for oil return, and it is aforesaid oil back chamber 4.Cushion cylinder 10 and back cavity are also separated by one section of impact piston 9.
Oil motor 2 has oil-in and oil drain out.
Adjusting device 7 is as flow speed control valve, and it comprises uniform-pressure-drop valve 11 and the choke valve 12 of series connection, and uniform-pressure-drop valve 11 is for realizing the pressure compensation to choke valve 12, and choke valve 12 has valve seat 121 and adjustable spool 122.
The ante-chamber impacting oil cylinder 8 is connected with the oil-in of oil motor 2 by oil input channel 5, and uniform-pressure-drop valve 11 and choke valve 12 are arranged in series on this oil input channel 5.Impact between the ante-chamber of oil cylinder 8 and the oiler of uniform-pressure-drop valve 11 and be provided with plug cock 14, this is crossed plug cock 14 and has through hole, enables the high pressure liquid force feed in this ante-chamber cross by this oiler that plug cock 14 is input to uniform-pressure-drop valve 11.The valve seat 121 of choke valve has throttling head piece, for meeting the aperture area of flow needed for oil motor.The adjustable spool 122 of choke valve can move axially, and then regulates the caliber size of throttling head piece, realizes the adjustment to hydraulic fluid flow rate size.In addition, impact oil cylinder 8 and cushion cylinder 10 also to cross plug cock 14 be connected by this.In the present embodiment, uniform-pressure-drop valve and choke valve can all be located on the cylinder body of cushion cylinder.
Transmission mechanism comprises gear train, this gear train is packaged in gear-box 13, this gear train comprises intermeshing gear wheel and pinion, this pinion is connected with the outputting axial power of oil motor, this gear wheel with turn drill sleeve cylinder power and be connected, drilling tool is fixed on and turns in drill sleeve cylinder, by the engagement of pinion and gear wheel, realize reduction of speed and increase moment of torsion, driving and turn drill sleeve cylinder, moment of torsion is passed to drilling tool.For general oil motor, its range of speeds is 0 to 600 rev/min, and the range of speeds of drilling tool is 0 to 300 rev/min, need the engagement of gear wheel and pinion to realize to slow down, the gearratio of gear wheel and pinion can be 2: 1 or 1.9: 1, certainly, the gearratio that also can be able to meet the demands for other.
For hammer drill, normal high-voltage oil cavity and oil back chamber are all arranged on body, can weight reduction, shorten path during hydraulic working oil, this mode be arranged on body can comprise two kinds, be the inside being arranged on body, another kind is arranged on the outer wall of body, namely do not need the oil pipe of extra connection power pump station.
For hammer drill, it can be the rotation of drilling tool and impact independence mutually, also can be that rotation and the impact of drilling tool is associated, and preferably rotates and impacts independent mutually, especially to the hydraulic gate of ante-chamber normal pressure back cavity oil return.For the hammer drill with independent rotating drill rod mechanism, normal high-voltage oil cavity and oil back chamber can adopt the chamber impacting oil cylinder, also can adopt the chamber separately established.
Above content is in conjunction with concrete embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (5)
1. a hammer drill, comprise body, for the oil motor by the rotation of transmission mechanism driving drilling tool and for driving the impactor of drilling tool impact drilling, it is characterized in that: also comprise for providing the normal high-voltage oil cavity of high pressure liquid force feed and the oil back chamber for receiving oil return, the oil-in of described oil motor connects described normal high-voltage oil cavity by oil input channel, the oil drain out of described oil motor connects described oil back chamber by back oil road, and described normal high-voltage oil cavity and oil back chamber are all located on described body; Described impactor comprises impact oil cylinder and impact piston, and described impact oil cylinder has by the separated ante-chamber of described impact piston and back cavity, and described ante-chamber is described normal high-voltage oil cavity, and described back cavity is described oil back chamber; Described impactor also comprises cushion cylinder, and described cushion cylinder and described back cavity are separated by described impact piston, and described cushion cylinder is communicated with described impact oil cylinder.
2. hammer drill as claimed in claim 1, is characterized in that: described oil input channel is provided with the adjusting device for regulating oil motor Driving Torque.
3. hammer drill as claimed in claim 2, it is characterized in that: described adjusting device comprises flow speed control valve, described flow speed control valve comprise series connection choke valve and for carrying out pressure compensated uniform-pressure-drop valve to described choke valve, described choke valve is communicated with the oil-in of described oil motor, and described uniform-pressure-drop valve is communicated with described normal high-voltage oil cavity.
4. hammer drill as claimed in claim 3, is characterized in that: described uniform-pressure-drop valve and described choke valve are all arranged on the cylinder body of described cushion cylinder.
5. as the hammer drill in claim 1-4 as described in any one, it is characterized in that: described transmission mechanism comprises gear train and turns drill sleeve cylinder, described gear train comprises the first less gear of intermeshing diameter and larger the second gear of diameter, described first gear is connected with oil motor power, described second gear with turn drill sleeve cylinder power and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910259719.6A CN102108834B (en) | 2009-12-24 | 2009-12-24 | Rock drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910259719.6A CN102108834B (en) | 2009-12-24 | 2009-12-24 | Rock drilling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102108834A CN102108834A (en) | 2011-06-29 |
| CN102108834B true CN102108834B (en) | 2015-01-21 |
Family
ID=44173104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910259719.6A Expired - Fee Related CN102108834B (en) | 2009-12-24 | 2009-12-24 | Rock drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102108834B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601674A (en) * | 2012-03-22 | 2012-07-25 | 上海三一精机有限公司 | Power-off protection loop for static pressure workbench |
| CN111779734B (en) * | 2020-07-10 | 2022-06-24 | 中国铁建重工集团股份有限公司 | Hydraulic rock drill for realizing energy recycling |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4039033A (en) * | 1975-01-16 | 1977-08-02 | Oy Tampella Ab | Hydraulic rock drill |
| US4289209A (en) * | 1978-08-08 | 1981-09-15 | Oy Tampella Ab | Impact device with fluid tool rotation motor |
| CN2091948U (en) * | 1991-05-15 | 1992-01-01 | 深圳四方机械电子有限公司 | Oil-distributing and operating mechanism for hydraulic rock drill |
| CN2130205Y (en) * | 1992-07-14 | 1993-04-21 | 湖北省通城通用机械厂 | Light hydraulic rock drill |
| CN2210252Y (en) * | 1994-01-26 | 1995-10-18 | 衢州凿岩机厂 | hydraulic quarrying machine of shock and rotation series transmission type |
| CN2296399Y (en) * | 1997-01-04 | 1998-11-04 | 臧德中 | Hydraulic rock drill |
| CN1231379A (en) * | 1998-04-04 | 1999-10-13 | 臧得中 | Oil supply way for hydraulic support of hydraulic hammer drill and the structure for realizing said way |
| CN2564728Y (en) * | 2002-08-16 | 2003-08-06 | 江阴市矿山器材厂 | Hydraulic anchor rod drilling machine |
| CN201620753U (en) * | 2009-12-24 | 2010-11-03 | 深圳市普隆重工有限公司 | Rock drilling machine |
-
2009
- 2009-12-24 CN CN200910259719.6A patent/CN102108834B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4039033A (en) * | 1975-01-16 | 1977-08-02 | Oy Tampella Ab | Hydraulic rock drill |
| US4289209A (en) * | 1978-08-08 | 1981-09-15 | Oy Tampella Ab | Impact device with fluid tool rotation motor |
| CN2091948U (en) * | 1991-05-15 | 1992-01-01 | 深圳四方机械电子有限公司 | Oil-distributing and operating mechanism for hydraulic rock drill |
| CN2130205Y (en) * | 1992-07-14 | 1993-04-21 | 湖北省通城通用机械厂 | Light hydraulic rock drill |
| CN2210252Y (en) * | 1994-01-26 | 1995-10-18 | 衢州凿岩机厂 | hydraulic quarrying machine of shock and rotation series transmission type |
| CN2296399Y (en) * | 1997-01-04 | 1998-11-04 | 臧德中 | Hydraulic rock drill |
| CN1231379A (en) * | 1998-04-04 | 1999-10-13 | 臧得中 | Oil supply way for hydraulic support of hydraulic hammer drill and the structure for realizing said way |
| CN2564728Y (en) * | 2002-08-16 | 2003-08-06 | 江阴市矿山器材厂 | Hydraulic anchor rod drilling machine |
| CN201620753U (en) * | 2009-12-24 | 2010-11-03 | 深圳市普隆重工有限公司 | Rock drilling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102108834A (en) | 2011-06-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2014301006B2 (en) | Multi-accumulator arrangement for hydraulic percussion mechanism | |
| CN102828716B (en) | Sealed type hydraulic driving adjustable speed cutter of oil pipe string with diameter being phi 73mm or greater | |
| CA2516476A1 (en) | A hydraulic percussive in-hole rock drilling machine | |
| CN201218248Y (en) | Multifunctional integration composite valve | |
| CN105201402A (en) | Torsional impact drilling device | |
| CN103821777A (en) | Hydraulic control system with continuously-adjustable power for rock drilling machine | |
| WO2019120127A1 (en) | Closed hydraulic rock drill | |
| CN201620753U (en) | Rock drilling machine | |
| CN102108834B (en) | Rock drilling machine | |
| CN103195387B (en) | Downhole radial casing window opener | |
| CN109577854A (en) | The extremely hard anti-well drilling machine of rock intelligent frequency-conversion electric drive | |
| CN102428246A (en) | Multi-ram drill rig and method of operation | |
| CN105003196A (en) | Power assembly of full-hydraulic reverse circulation drilling machine | |
| CN102392598B (en) | Hydraulic vibration impactor and pile driving power head comprising same | |
| CN208295045U (en) | A kind of petroleum drilling machine winch shift-variable formula planetary gear reduction box | |
| CN207620705U (en) | A kind of closed hydraulic drill | |
| CN207092947U (en) | A kind of drilling speed device with composite drill bit | |
| JPH03500559A (en) | liquid pressure boring machine | |
| CN202227979U (en) | Hydraulic vibration impacter and piling power head formed by same | |
| CN205956325U (en) | Automatic tensioning controlling means of rotary drilling machine pressurization chain | |
| CN101694147B (en) | High water-based hydraulic rock drill | |
| CN203321395U (en) | Radial window opener of underground casing pipe | |
| CN104234621B (en) | Rotary valve hydraulic gate | |
| CN103603599B (en) | A kind of crawler-type engineering rig | |
| CN205618148U (en) | Down -hole drill impels pressure hydraulic control return circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20171224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |