CN1373828A - Boom arrangement for rock drilling apparatus - Google Patents
Boom arrangement for rock drilling apparatus Download PDFInfo
- Publication number
- CN1373828A CN1373828A CN00812818A CN00812818A CN1373828A CN 1373828 A CN1373828 A CN 1373828A CN 00812818 A CN00812818 A CN 00812818A CN 00812818 A CN00812818 A CN 00812818A CN 1373828 A CN1373828 A CN 1373828A
- Authority
- CN
- China
- Prior art keywords
- cantilever
- auxiliary
- boom
- auxiliary boom
- rock drill
- 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.)
- Granted
Links
- 239000011435 rock Substances 0.000 title claims abstract description 66
- 238000005553 drilling Methods 0.000 title abstract description 6
- 238000009434 installation Methods 0.000 claims description 8
- 230000002950 deficient Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/026—Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting having auxiliary platforms, e.g. for observation purposes
Abstract
The invention relates to a boom arrangement in connection with a rock drilling apparatus, the arrangement comprising at least one working boom (1) and at least one auxiliary boom (3, 4). A rock drilling apparatus or another device (2) is arranged at the free end of the working boom and, correspondingly, the free end of the auxiliary boom is provided with an auxiliary device (5, 6), such as a man cage. Said booms comprise at least two boom parts (1a, 1b; 3a, 3b; 4a, 4b) pivotally connected relative to each other. According to the idea of the invention, the booms (1, 3, 4) are connected to the base of the rock drilling appartus by means of a common boom mounting frame (11). Such a mounting frame is arranged at the front of a user's work platform (10). The auxiliary boom is mounted on the upper surface of the mounting frame and the working boom on a side surface of the mounting frame. The solution of the invention is further characterized in that the auxiliary boom is drivable with respect to its pivoted mounting such that the auxiliary device can be turned close to the work platform.
Description
The present invention relates to a kind of cantilever arrangement that is used to have the rock drill of base and working platform, this cantilever arrangement comprises: at least one cantilever of working, wherein, rock drill bit or be actually used in the free end that other device that bores rock is set at this work cantilever; At least one auxiliary boom, wherein, free end at this auxiliary boom is provided with an auxiliary equipment, the installing rack that work cantilever and auxiliary boom utilization are arranged on the working platform front portion is installed on the base of rock drill, these cantilevers comprise at least two bracketed parts, and these two bracketed parts can couple together mutually rotationally, and dispose essential vertical hinge and falling hinger, so that drive this device, and correspondingly servicing unit is driven into the position of expectation.
For personnel's lifting, rock drill has utilized personnel lifting's device, and this personnel lifting's device can move in a different manner, and comprises a cantilever and a manned cage that is arranged on this cantilever free end.This equipment is normally used for tunnelling and " little bench " mining.Can carry out anchoring, measurement and detection to rock from manned cage, and can carry out requirement and short-range other operation of target range.In addition, manned cage also makes and can carry out maintenance and repair work easily from this cage.Rock drill generally includes at least one work cantilever at its front end, and wherein, one has the free end that rock drill that auxiliary equipment or other must equipment is set at the work cantilever.A kind of known solution that is used for manned cage cantilever comprises guide rail or corresponding guide surface, cantilever can move along these guide rails or guide surface, this guide rail or guide surface are set on two vertical sides of rock drill,, are arranged on the both sides of the moving direction of rock drill that is.Cantilever and their manned cage are being driven respectively to anterior direction along rock drill from the rear portion, and vice versa.Must be driven through near the rig floor yet a defective of this structure is exactly a cantilever, this user for this device is a serious potential safety hazard.In addition, this cantilever arrangement makes and to be difficult to enter the rig floor that is used to handle with management equipment.Another defective of this scheme be exactly guide surface must be firm, this means that also these guide surfaces are heavy, thereby has increased the overall weight of this rock drill, this is very disadvantageous.In addition, also have a kind of known cantilever scheme, this scheme is applied to manned cage.In this scheme, cantilever is separately positioned on the both sides at rear portion of rock drill, utilizes linkage that these cantilevers are moved to the front portion from the rear portion of drilling apparatus, and vice versa.Cantilever is rotatably mounted, thereby makes the different piece of cantilever can in the vertical direction rotate, that is, can be raised and descend with respect to its fulcrum.In order to make the manned cage can shifted laterally, whole cantilever arrangement can be set on the rotating base, or is configured to whole cantilever arrangement and can rotates with respect to the drag hinge of cantilever bottom.Yet a defective of this scheme is that the job security that creeps into the workman of working on rig floor is poor, and this is because cantilever also will be through near the cause the rig floor in this case.In known solutions, the user has the danger between the frame construction that is compressed in cantilever and rock drill, and it is very difficult that this structure makes that also this rock drill uses.
Another defective of the technical scheme that these are known is that work cantilever and manned cage all must be supported on the base with being separated, and this makes frame construction very heavy.In addition, the base occupation space also is a problem.Cantilever makes the different units of rock drill and equipment not to locate sometimes optimisedly.In addition, disclose a kind of cantilever arrangement that is arranged in the vehicle in FI795/73, wherein, the work cantilever is installed on the identical installing rack with auxiliary boom.Yet, these two cantilevers are installed on the installing rack of workspace one side of device, promptly, be installed in the opposition side of control room or working platform, this means that auxiliary boom can not be driven near working platform, and have only from ground the manned cage that just can enter the auxiliary boom end, this yes quite difficulty and have a potential safety hazard.
A goal of the invention of the present invention provides a kind of cantilever arrangement that is used for rock drill of novelty, so that prevent to produce those defectives of the prior art.
Cantilever arrangement of the present invention is characterised in that: the work cantilever is set at a side of the installing rack of working platform opposition side, auxiliary boom is installed on the installation site on the installing rack upper face, auxiliary boom is installed and can be rotated with respect to its rotation, thus the working platform that the user who makes auxiliary equipment can be driven to close rock drill can arrive.
Design of the present invention is, rock drill comprises at least one work cantilever, rock drill and be actually used in the miscellaneous equipment that bores rock and be set in this work cantilever.Except this work cantilever, this structure also comprises the auxiliary boom that at least one can move according to many different modes, this auxiliary boom comprises at least two bracketed parts that are mutually pivotally connected, an auxiliary equipment, manned cage preferably is set at the free end of the outermost bracketed part of auxiliary boom.According to design of the present invention, it is in the support member that the work cantilever is set at installing rack identical in the rock drill with auxiliary boom, and this installing rack is set at and creeps into the rock drill front portion that employee's operating platform is the front portion of rig floor.The work cantilever is set at the side of installing rack towards drilling area, and auxiliary boom is installed on the installation site on the upper face that is positioned at installing rack.Another design of the present invention is that auxiliary boom can rotate, so that auxiliary equipment can be driven near working platform.According to one embodiment of present invention, first bracketed part of auxiliary boom is arranged on the longitudinal direction of rock drill, and can not shifted laterally.But said first bracketed part can rise and descend with respect to a falling hinger, and wherein said falling hinger is set at towards the end of the bracketed part of rock drill.First bracketed part also is provided with a hinge, and second bracketed part that this hinge permission links to each other with first bracketed part along continuous straight runs at least rotates.The design of an alternative embodiment of the invention is, auxiliary boom is installed on the installation elements, this installation elements is set on the upper face of installing rack, utilize suitable rotating machinery, for example the used ratch of rotation motor or hydraulic cylinder can rotate this installation elements around its vertical axis.
The invention has the advantages that cantilever no longer passes through near the rig floor side, thereby significantly improved rock drill user's employment security.Cantilever and movable mechanism thereof are positioned at a safe distance place of creeping into employee work platform front portion, and the user can see these cantilevers and movable mechanism thereof from working platform.Owing to utilize a common installing rack that cantilever is arranged on the base, therefore, installing rack is firm especially and weight is also light.But it occupies little room.In addition, compared with former solution, the present invention has cantilever installation site and relevant member still less, in addition, the mobile front portion that occurs in rock drill of cantilever mechanism, this just can more freely arrange the different units in the rock drill.In a word, because this cantilever arrangement of the present invention makes that whole rock drill structure is simpler, weight is lighter.This structure also more helps making, and the mechanism of being worn and torn and damaging that is had still less.In addition, this device also is easier to use, this is because auxiliary boom can be provided with simply, make for example manned cage of auxiliary equipment that is arranged in this device to turn to safely easily near rig floor, so just make the user directly directly to move to manned cage, or make the user to carry out maintenance and repair to auxiliary equipment from rig floor from rig floor.Cantilever also can have an essential moving range from the rock drill shifted laterally.
For brevity, should be noted that in this application that drag hinge is meant that turning cylinder is vertical element, it can make can be mutually along moving horizontally by this hinged parts.Correspondingly, the turning cylinder of falling hinger is a level, and it can make parts vertically rotate mutually.
Below in conjunction with accompanying drawing the present invention is described in more detail.
Fig. 1 is the lateral view that is used for the cantilever of rock drill according to of the present invention,
Fig. 2 is the said top view that is used for the cantilever of rock drill,
Fig. 3 is the lateral view of another technical scheme of cantilever of the present invention,
Fig. 4 is the schematic diagram that is used to install the structure of auxiliary boom, and it can be applicable in the technical scheme shown in Figure 3.
Fig. 1 is the schematic diagram of a simplification, has expressed a rock drill, and this rock drill comprises cantilever arrangement of the present invention.This cantilever arrangement comprises at least one work cantilever 1 and an equipment 2, and in this example, rock drill is set at the free end of work cantilever.Although only expressed a work cantilever among this figure,, if necessary, also can have several work cantilevers.In addition, the equipment in the work cantilever of being set at for example can be the anchoring device (bolting apparatus) of can replace (indexable) or be used in miscellaneous equipment in the practical operation.The used work cantilever and the structure and the operation itself of equipment are conspicuous to those skilled in the art when boring rock, and be therefore no longer for a more detailed description at this, also do not remake more detailed expression in the drawings.What this need illustrate be, the work cantilever comprises at least two bracketed parts, and these two bracketed parts can move by suitable hinge, so that the position of device drives to expectation.In addition, as shown in Figure 2, rock drill comprises two auxiliary booms 3 and 4, and wherein, auxiliary equipment 5 and 6 is arranged on its free end.Auxiliary equipment shown in the figure is a manned cage, still, also can install on auxiliary boom and help the actual required miscellaneous equipment of rock that bores.Auxiliary boom 1 and 2 illustrated in figures 1 and 2 comprises the first and second bracketed part 3a, 3b; 4a, 4b.Clearly, can have more bracketed part, they need not to be shown in the figure can be in direction A elongation and the structure that shortens.First bracketed part of auxiliary boom is connected to a installation site 14 on installing rack 11 upper faces by a falling hinger 7.Therefore, first bracketed part is always towards the direction of operating of rock drill, but it rises and descend on can be with respect to the direction of falling hinger 7 at B under the effect of a pressure medium cylinder 8.A drag hinge 9 can make second bracketed part rotate on horizontal direction shown in Figure 2, and this drag hinge 9 is set at the second end of first bracketed part.So, manned cage or other auxiliary equipment can be rotated on the C direction, near the working platform 10 or the similar devices of rock drill, this makes the user of equipment can enter manned cage or makes the user to carry out required maintenance and repair work to auxiliary equipment from pulpit.In addition, be used to make auxiliary equipment to move for example inclination or rotation a little and device that cantilever itself must not move can be set between the outermost bracketed part and auxiliary equipment of auxiliary boom.Auxiliary boom preferably also comprises being used for no matter how cantilever moves the device that can remain on for example manned cage of auxiliary equipment horizontal level.
According to design of the present invention, the work cantilever all is connected on the identical installing rack 11 of rock drill front portion with auxiliary boom.This installing rack is set at the front portion of working platform 10, with respect to the longitudinal axis horizontally set of rock drill.Installing rack is preferably disposed near front axle place or the front axle, and in this case, front axle receives the quality that cantilever and installing rack caused, thus base for supporting separately.In addition, the load between front axle and the rear axle can also more advantageously be separated.The structure of installing rack seems a box most, but also can adopt the structure of other type.Installing rack can be a unified structure, this unified structure extends to second side from first side of rock drill as shown in FIG., also can have several installing racks, in this case, all comprise an auxiliary boom and a work cantilever thereunder in each installing rack.
In Fig. 2, the represented top auxiliary boom 4 that goes out is positioned at its operating position among the figure, and correspondingly, bottom auxiliary boom 3 is driven to the working platform place, so that help entering manned cage.In addition, when not needing auxiliary boom, for example, when rock drill was moved, auxiliary boom can be driven, and made its second bracketed part point to the direction opposite with moving direction.
In cantilever arrangement shown in Figure 3, auxiliary boom 3 is configured to and can rotates around vertical axis E, and in this example, auxiliary boom 3 can be driven near working platform 10, shown in the dotted line among the figure.Auxiliary boom is installed in the rotating element 12, and this rotating element 12 is set on the upper face of installing rack, and the structure of rotating element can be a structure shown in Figure 4.The first bracketed part 3a can tilt with respect to a falling hinger 13 of cantilever bottom.In addition, between first bracketed part and second bracketed part, be provided with a hinge, make second bracketed part on direction D, rotate at least.Second bracketed part can also telescopically elongate or shorten, and this means that it has a good scope.If adopt two auxiliary booms and two work cantilevers, utilize two independent installing racks that said two auxiliary booms and two work cantilevers are arranged in the rock drill so.If this structure includes only an auxiliary boom and one work cantilever, so, said this auxiliary boom and work cantilever are set on the center line of rock drill with their installing rack.For the sake of clarity, Fig. 3 has only expressed the cantilever of partly working.The advantage of scheme shown in this figure is that auxiliary boom can rotate, and this means that it can be driven near working platform in narrow mine laneway in a little space.In addition, owing to need not have a lateral extent with respect to base when auxiliary boom is rotated, therefore, no matter how auxiliary boom moves, and rock drill all is stable.Thereby also just can more safely mobile auxiliary boom, and can avoid the danger of colliding.
Fig. 4 has further expressed the details of scheme shown in Figure 3, wherein, utilizes to be configured to and can auxiliary boom to be installed on the upper face of installing rack around the rotating element 12 that axis E is rotated.Rotating element 12 is installed in rotation on the upper face of installing rack 11, and it can be by for example hydraulic cylinder 15a shown in the figure and 15b rotation, and said hydraulic cylinder adopts ratch that the ring gear 16 of rotating element lower end is rotated.Rotating cantilever in this manner is known technology, therefore, no longer it is described further at this.Because this structure makes auxiliary boom to rotate easily on the direction opposite with the rock drill moving direction, this just can be driven into for example manned cage of auxiliary equipment near working platform easily.
Pressure medium cylinder or for example motor just can rotate cantilever as rotating machinery.Rotating machinery can be any equipment that is suitable for this purpose in principle, and it is connected to can for example lever, rotating turret wait mobile bracketed part by suitable rotating element.For the sake of clarity, do not express all necessary rotating machinery and rotating elements in the accompanying drawing.Obviously, the length of the different piece of cantilever and relative size can change, and hinge and their angle of rotation also can change.The size of cantilever is subjected to the influence of purposes, size and the size of rock drill at least.The position of monitoring cantilever can also be connected to some monitors on the cantilever, so that in this case, just can prevent cantilever other member impacts of collision and cantilever and rock drill mutually.
Accompanying drawing is in order to describe design of the present invention with relevant description.Aspect details, the present invention can change within the scope of the claims.Therefore, with accompanying drawing with describe in disclosed comparing, work cantilever and auxiliary boom can comprise more bracketed part and hinge.Can also have than cantilever more or less in the accompanying drawing.If help the use of rock drill, different auxiliary boom of structure and work cantilever can also be set in an equipment according to the present invention.Main points are that rock drill is provided with at least one work cantilever and at least one auxiliary boom, and said work cantilever utilizes identical installing rack all to be installed in the base with auxiliary boom.Installing rack is set at the working platform or the pulpit front portion of rock drill.
Claims (7)
1. cantilever arrangement that is used to have the rock drill of base and working platform, this cantilever arrangement comprises at least one work cantilever (1) and at least one auxiliary boom (3,4), free end at said work cantilever (1) is provided with a rock drill bit or is actually used in the miscellaneous equipment (2) that bores rock, free end at said auxiliary boom is provided with an auxiliary equipment (5,6), utilize a cantilever installing rack (11) that is arranged on working platform (10) front portion that said work cantilever and auxiliary boom are installed on the base of rock drill, cantilever (1,3,4) comprise at least two bracketed parts (1a, 1b; 3a, 3b; 4a, 4b), said bracketed part is mutually pivotally connected and disposes necessary drag hinge and falling hinger, so that equipment (2) and auxiliary equipment (5,6) be driven into the position of expectation, it is characterized in that: work cantilever (1) be set at installing rack (11) on a side of the direction opposite with working platform (10), auxiliary boom (3,4) be installed on the installation site (14) that is positioned on the installing rack upper face, auxiliary boom (3,4) it is rotary installing with respect to its rotation, thereby makes auxiliary equipment (5,6) can be driven to the place that the user who makes rock drill near working platform (10) can arrive.
2. cantilever arrangement according to claim 1, it is characterized in that: the free-ended auxiliary equipment (5,6) that is set at auxiliary boom (3,4) is manned cage, thereby auxiliary boom as the equipment that makes the personnel lifting.
3. cantilever arrangement according to claim 1 and 2, it is characterized in that: the first bracketed part (3a of auxiliary boom, 4a) be configured to be parallel to the longitudinal axis of rock drill and can not move basically in side direction, first bracketed part is installed in rotation on end towards rock drill by a falling hinger (7), thereby first bracketed part can be risen and descend with respect to hinge, at the first bracketed part (3a, 4a) with the second bracketed part (3b, a hinge (9) is set, so that second bracketed part can be rotated with respect to first bracketed part by along continuous straight runs at least 4b).
4. cantilever arrangement according to claim 1 and 2, it is characterized in that: the bottom of auxiliary boom (3,4) is provided with hinge, thereby makes auxiliary boom to rotate with respect to said hinge along continuous straight runs and vertical direction.
5. cantilever arrangement according to claim 4, it is characterized in that: the auxiliary boom bottom is installed in the rotating element (12), this rotating element (12) be configured to around its vertical axis (E) rotate and be configured to by tumbler for example rotation motor or hydraulic cylinder (15a 15b) drives.
6. cantilever arrangement according to claim 5, it is characterized in that: this cantilever arrangement comprises at least two auxiliary booms and work cantilever and at least two independent installing racks, and cantilever is configured to make and all is provided with a job of auxiliary boom cantilever in each installing rack overlappingly.
7. the cantilever arrangement according to one of aforementioned claim is characterized in that installing rack (11) has a kind of box like structure, and this installing rack is set near the front axle place of rock drill or its.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI19991948 | 1999-09-13 | ||
| FI991948A FI108562B (en) | 1999-09-13 | 1999-09-13 | Beam assembly for rock drilling equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1373828A true CN1373828A (en) | 2002-10-09 |
| CN1239807C CN1239807C (en) | 2006-02-01 |
Family
ID=8555277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB008128189A Expired - Fee Related CN1239807C (en) | 1999-09-13 | 2000-09-12 | Boom arrangement for rock drilling apparatus |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JP4713038B2 (en) |
| CN (1) | CN1239807C (en) |
| AU (1) | AU7290000A (en) |
| FI (1) | FI108562B (en) |
| SE (1) | SE520461C2 (en) |
| WO (1) | WO2001020117A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101680268B (en) * | 2007-06-05 | 2014-03-05 | 山特维克矿山工程机械有限公司 | Method of quarrying dimensional stone, and line drilling apparatus |
| CN104847278A (en) * | 2015-05-06 | 2015-08-19 | 中国石油大学(华东) | Novel petroleum inclined shaft drilling machine base structure |
| CN105649619A (en) * | 2015-12-30 | 2016-06-08 | 三重型装备有限公司 | Multifunctional drill loader |
| CN108590706A (en) * | 2018-05-10 | 2018-09-28 | 中铁五局集团有限公司 | One kind being used for speciality single-track railway tunnel drifter with booms Construction Techniques of Grouting in Heavy Curtain |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE516569C2 (en) * | 2000-04-19 | 2002-01-29 | Atlas Copco Rock Drills Ab | Drill rig |
| FI20106019A0 (en) * | 2010-10-01 | 2010-10-01 | Sandvik Mining & Constr Oy | Beam assembly for rock drilling equipment |
| CN102830022B (en) * | 2012-08-29 | 2014-11-12 | 四川大学 | Multi-functional mechanical property tester of rock |
| CN107218014B (en) * | 2017-05-15 | 2024-01-12 | 浙江西传电气股份有限公司 | Springback structure after cantilever rotation abdication |
| JP7104383B2 (en) * | 2018-02-27 | 2022-07-21 | 大成建設株式会社 | Protective body |
| EP3953556B1 (en) * | 2019-05-13 | 2023-11-29 | Vermeer Manufacturing Company | Horizontal directional drilling system with operator lift |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3283831A (en) * | 1964-07-28 | 1966-11-08 | Ingersoll Rand World Trade Ltd | Gantry type drilling machines |
| SE358004B (en) * | 1971-11-15 | 1973-07-16 | Atlas Copco Ab | |
| GB1492735A (en) * | 1974-11-27 | 1977-11-23 | Liftec Eng Ltd | Drilling machines |
| FR2314888A1 (en) * | 1975-06-18 | 1977-01-14 | Contant Paul | Telescopic vehicle with overhead working cubicle - has ram operated extension with tailweight at rear end of cubicle boom support |
| DE3103694A1 (en) * | 1981-02-04 | 1982-09-02 | Deilmann-Haniel GmbH, 4600 Dortmund | Self-propelled crawler or wheeled chassis for underground roadway driving |
| JPS6123399U (en) * | 1984-07-19 | 1986-02-12 | 技術資源開発株式会社 | Multifunctional spraying construction equipment |
| JPH01287394A (en) * | 1988-05-13 | 1989-11-20 | Sato Kogyo Co Ltd | Tunnel driving method |
| JP2534691Y2 (en) * | 1990-11-26 | 1997-05-07 | 古河機械金属株式会社 | Drill jumbo with cage |
| JPH0886186A (en) * | 1994-07-20 | 1996-04-02 | Matsuda Astec Kk | Rock drilling device |
-
1999
- 1999-09-13 FI FI991948A patent/FI108562B/en active
-
2000
- 2000-09-12 CN CNB008128189A patent/CN1239807C/en not_active Expired - Fee Related
- 2000-09-12 JP JP2001523475A patent/JP4713038B2/en not_active Expired - Fee Related
- 2000-09-12 WO PCT/FI2000/000769 patent/WO2001020117A1/en active Application Filing
- 2000-09-12 AU AU72900/00A patent/AU7290000A/en not_active Abandoned
-
2002
- 2002-03-12 SE SE0200727A patent/SE520461C2/en not_active IP Right Cessation
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101680268B (en) * | 2007-06-05 | 2014-03-05 | 山特维克矿山工程机械有限公司 | Method of quarrying dimensional stone, and line drilling apparatus |
| CN104847278A (en) * | 2015-05-06 | 2015-08-19 | 中国石油大学(华东) | Novel petroleum inclined shaft drilling machine base structure |
| CN105649619A (en) * | 2015-12-30 | 2016-06-08 | 三重型装备有限公司 | Multifunctional drill loader |
| CN108590706A (en) * | 2018-05-10 | 2018-09-28 | 中铁五局集团有限公司 | One kind being used for speciality single-track railway tunnel drifter with booms Construction Techniques of Grouting in Heavy Curtain |
Also Published As
| Publication number | Publication date |
|---|---|
| FI108562B (en) | 2002-02-15 |
| JP2003509609A (en) | 2003-03-11 |
| SE0200727D0 (en) | 2002-03-12 |
| AU7290000A (en) | 2001-04-17 |
| CN1239807C (en) | 2006-02-01 |
| SE520461C2 (en) | 2003-07-15 |
| JP4713038B2 (en) | 2011-06-29 |
| SE0200727L (en) | 2002-03-12 |
| WO2001020117A1 (en) | 2001-03-22 |
| FI19991948A (en) | 2001-03-13 |
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