EP3144466B1 - Agencement dans une machine de forage de roche et procédé de montage d'une machine de forage de roche - Google Patents

Agencement dans une machine de forage de roche et procédé de montage d'une machine de forage de roche Download PDF

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Publication number
EP3144466B1
EP3144466B1 EP15185209.2A EP15185209A EP3144466B1 EP 3144466 B1 EP3144466 B1 EP 3144466B1 EP 15185209 A EP15185209 A EP 15185209A EP 3144466 B1 EP3144466 B1 EP 3144466B1
Authority
EP
European Patent Office
Prior art keywords
module
axial
rock drilling
percussion
drilling machine
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.)
Active
Application number
EP15185209.2A
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German (de)
English (en)
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EP3144466A1 (fr
Inventor
Timo Muuttonen
Timo Kela
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sandvik Mining and Construction Oy
Original Assignee
Sandvik Mining and Construction Oy
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sandvik Mining and Construction Oy filed Critical Sandvik Mining and Construction Oy
Priority to TR2018/06744T priority Critical patent/TR201806744T4/tr
Priority to EP15185209.2A priority patent/EP3144466B1/fr
Priority to AU2016222462A priority patent/AU2016222462B2/en
Priority to CA2940853A priority patent/CA2940853C/fr
Priority to JP2016173250A priority patent/JP6272968B2/ja
Priority to CL2016002289A priority patent/CL2016002289A1/es
Priority to KR1020160118222A priority patent/KR101956981B1/ko
Priority to US15/264,773 priority patent/US20170074040A1/en
Priority to CN201610826948.1A priority patent/CN106948754B/zh
Publication of EP3144466A1 publication Critical patent/EP3144466A1/fr
Application granted granted Critical
Publication of EP3144466B1 publication Critical patent/EP3144466B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • E21B6/02—Drives for drilling with combined rotary and percussive action the rotation being continuous
    • E21B6/04—Separate drives for percussion and rotation
    • 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
    • E21B7/025—Rock drills, i.e. jumbo drills
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/28—Mineral freed by means not involving slitting by percussive drills with breaking-down means, e.g. wedge-shaped tools
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/22—Mineral freed by means not involving slitting by rotary drills with breaking-down means, e.g. wedge-shaped drills, i.e. the rotary axis of the tool carrier being substantially perpendicular to the working face, e.g. MARIETTA-type
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
    • E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices
    • E21C31/04—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices imparting both a rotary and reciprocating motion
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
    • E21C31/12—Component parts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00—Setting anchoring-bolts
    • E21D20/003—Machines for drilling anchor holes and setting anchor bolts

Definitions

  • the invention relates to an arrangement comprising a rock drilling machine, which is mounted on a carriage supportable to a feed beam of a rock drilling rig.
  • the rock drilling machine comprises a gear module and a percussion module, which are arranged on a same axial line and are connected to each other by means of connecting means.
  • the invention further relates to a method of mounting a rock drilling machine.
  • rock drilling machines are used for drilling bore holes into rock surfaces and soil.
  • the rock drilling machine comprises a rotating device for rotating a drilling tool during drilling around longitudinal axis of the drilling tool.
  • the rock drilling machine also comprises a percussion device for generating impact pulses to the drilling tool.
  • the rock drilling machine is typically connected to a carriage, which is supported to a feed beam of a rock drilling rig.
  • An example of such arrangement is presented in patent publication US 2002/084110 A1 .
  • axial forces are directed to connecting means arranged between the rotating device and the percussion device.
  • the present solutions have shown to contain some problems regarding durability of the connecting means.
  • An object of the invention is to provide a novel and improved arrangement and method for mounting a rock drilling machine.
  • the arrangement according to the invention is characterized by the characterized features of the independent apparatus claim.
  • the method according to the invention is characterized by the characterized features of the independent method claim.
  • the rock drilling machine comprises a gear module and a percussion module.
  • the gear module comprises transmission elements, such as gear wheels, for transmitting rotation
  • the percussion module comprises an impact element, such as a percussion piston, for generating impact pulses.
  • the gear module and the percussion module are arranged on a same axial line, and they are pressed axially towards each other by means of first connecting means, which generate a first connecting force.
  • first connecting means In addition to the first connecting means and the generated first connecting force, the gear module and the percussion module are pressed towards each other by means of second connecting means, which generate a second connecting force.
  • the second connecting means also have another purpose, namely to provide fastening of the rock drilling machine to a support surface of a carriage.
  • the carriage comprises a body part, which is an elongated base element arranged longitudinally relative to the rock drilling machine.
  • the body part is intended to be arranged below the rock drilling machine and is provided with bearings for mounting it on a feed beam.
  • the carriage further comprises two transverse fastenings lugs extending upwardly from the body part, and which lugs are located at a transverse distance from each other. Thereby, a free space exists at a central line of the carriage between the fastening lugs.
  • the rock drilling machine is mounted at the longitudinal central line of the carriage, whereby the percussion module is located between the fastening lugs.
  • the gear module and the percussion module may be coupled to each other before mounting to the carriage, and the connection to the carriage generates additional connecting forces ensuring that joint surfaces, which are located between the gear module and the percussion module, are properly fastened despite of separating forces directed to the modules during the operation of the rock drilling machine.
  • the first connecting means and the second connecting means together ensure that the axial joint surfaces are pressed towards each other despite of operational forces pulling the joint surfaces away from each other.
  • the axial forces directed to the connections of the modules are thereby shared with two connecting systems.
  • An advantage of the disclosed solution is that one or more joints between the gear module and the percussion module are more secure since two connecting systems are utilized.
  • the operational forces that are pulling apart the gear module and the percussion module are received by the first connecting means and the second connecting means, whereby the stresses are shared with two different connecting systems, instead of one. Thanks to this, service life of the connecting means may be longer and failures may be decreased. This has a positive impact to productivity of the rock drilling machine.
  • a further advantage is that wear and deformations of joint surfaces of the modules may be decreased because the modules are firmly mounted by means of the disclosed double-connecting system. Since the joint surfaces locating between the gear module and the percussion module are pressed continuously and firmly against each other, no relative movement occurs between opposing joint surfaces and wearing is decreased. Also, since the gear module and the percussion module are pre-coupled to each other by means of the first connecting system, the rock drilling machine may be easily dismounted for service and repair.
  • the carriage is provided with one or more axial first support surfaces, which are facing towards the front end portion of the rock drilling machine.
  • the percussion module comprises one or more axial second support surfaces, which are facing towards the rear end portion of the rock drilling machine.
  • the axial first support surfaces of the carriage and the axial second support surfaces of the percussion module are arranged against each other when the pre-assembled rock drilling machine is mounted to the carriage.
  • the second connecting force presses the support surfaces against each other and keeps the rock drilling machine firmly connected to the carriage.
  • the front directed axial first support surface of the carriage is advantageous since it provides a firm axial element for transmitting front directed feed forces from the carriage to the body of the rock drilling machine.
  • the front directed axial first support surface of the carriage may also provide support against rearward directed forces caused by stress pulses reflecting backwards from the drilled material along the drilling tool.
  • the feed forces and the reflecting stress pulses do not cause extra loadings to the second connecting means.
  • the second connecting means are configured to transmit backward directed forces from the carriage to the body of the rock drilling machine when the rock drilling machine is reversed on the feed beam.
  • connection between the carriage and the percussion module comprises axial support surfaces, which are directed in an opposing manner compared to the previous embodiment disclosed above.
  • the carriage is provided with one or more axial first support surfaces facing rearward
  • the percussion module comprises one or more axial second support surfaces facing forward.
  • the support surfaces facing in opposing directions are arranged against each other and are secured by means of the second connecting force.
  • the second connecting means are not subjected to extra loading when the rock drilling machine is reversed on the feed beam and the drilling equipment is retracted from the drill hole.
  • This solution may be advantageous when long drill holes are drilled vertically and weight of the supported drilling equipment is great, or when the retracting of the drilling equipment is problematic because of any other reason.
  • the first and second connecting means comprise several axially directed connecting bolts.
  • the use of connecting bolts and screw-fastening is advantageous since they tolerate well fatigue loadings, and also because they are simple and inexpensive.
  • the first and second connecting means comprise several axially directed connecting bolts. Furthermore, the first connecting means, i.e. first connecting bolts and the second connecting means, i.e. second connecting bolts are located at different distances from a center line of the rock drilling machine. Thereby, a transverse first distance between longitudinal axis of the first connecting bolts and a central line is minor than a second distance between longitudinal axis of the second connecting bolts and the central line. Thanks to this embodiment, there is more space for placing the connecting bolts, whereby number of the first and second connecting bolts needs not to be restricted, and further, easy access is ensured whereby the mounting and dismounting of the connecting bolts are facilitated.
  • the first and second connecting means comprise several axially directed connecting bolts.
  • the first connecting means comprise several pin bolts and the second connecting means comprise several through bolts.
  • the pin bolts, or side bolts, are tightened to threaded blind holes, which are located at the rear directed first axial joint surface of the gear module.
  • the front directed second axial joint surface of the percussion module comprises several through holes matching the positions of the pin bolts, whereby free ends of the pin bolts may pass through the through holes.
  • the free ends of the pin bolts are provided with threads allowing screwing of tightening nuts to the pin bolts for generating the first connecting force.
  • the pin bolts facilitate mounting of the percussion module since they may guide the percussion module during the mounting measures.
  • the arrangement comprises several through holes for the second connecting bolts.
  • the second connecting bolts pass through first through holes of the first connecting surface of the gear module, through second through holes of the second connecting surface of the percussion module, and further through third through holes of the support surface of the carriage.
  • the first, second and third through holes are parallel, so that the second connecting bolts may pass through them.
  • the second connecting bolts have screw heads at their first end and the second ends are provided with screw threads for receiving tightening nuts. The second connecting force is generated by tightening the second bolts by means of the tightening nuts.
  • the rear directed first axial joint surface of the gear module and the front directed second axial joint surface of the percussion module are arranged directly against to each other.
  • the opposing joint surfaces are pressed against each other by means of the two fastening systems, whereby the first connecting forces and second connecting forces keep the joint surfaces firmly against each other.
  • no other machine elements, devices or body parts are arranged between the first and second joint surfaces of the modules.
  • the rear directed first axial joint surface of the gear module and the front directed second axial joint surface of the percussion module are not arranged directly against to each other.
  • the arrangement comprises at least one intermediate element arranged between them.
  • the intermediate element may be a machine component or a body part, for example.
  • the intermediate element comprises front directed third axial joint surfaces facing towards the gear module and rear directed fourth axial joint surfaces facing towards the percussion module. Since the intermediate element is arranged between the gear module and the percussion module, the rear directed first joint surfaces of the gear module and the front directed third joint surfaces of the intermediate element are arranged against each other. Correspondingly, the front directed second joint surfaces of the percussion module and the rear directed fourth joint surfaces of the intermediate element are arranged against each other.
  • the mentioned opposing joint surfaces are pressed against each other by means of the first and second connecting means.
  • the intermediate element may be an auxiliary device or module, such as an axial bearing module.
  • the intermediate element may be a support flange, which is mountable to the carriage.
  • the gear module and the percussion module both comprise flanges provided with axial joint surfaces.
  • the rear end portion of the gear module comprises a first connecting flange provided with the first axial joint surfaces
  • the front end portion of a cylindrical main body of the percussion module comprises a second connecting flange provided with the second axial joint surfaces.
  • sufficient joint may be an auxiliary device or module, such as an axial bearing module.
  • the intermediate element may be a support flange, which is mountable to the carriage.
  • the gear module and the percussion module both comprise flanges provided with axial joint surfaces.
  • the rear end portion of the gear module comprises a first connecting flange provided with the first axial joint surfaces
  • the front end portion of a cylindrical main body of the percussion module comprises a second connecting flange provided with the second axial joint surfaces.
  • the flanges allow the main body of the percussion module to be a relatively thin walled cylindrical element, for example.
  • the second connecting bolts are located at the flanges so that they are at a transverse distance from an outer line passing along an outer surface of the cylindrical-shaped body part.
  • the fastening lugs are provided with front directed axial support surfaces, and further, they also comprise through holes for receiving the second connecting bolts.
  • the rear directed axial support surfaces of the percussion module are fastened against the front directed support surfaces of the fastening lugs, and the connection is secured by means of the second connecting bolts. Thanks to the disclosed fastening lugs, the joint between the gear module and the percussion module may be without supporting elements belonging to the structure of the carriage.
  • the front end portion of the gear module is supported to the carriage by means of a front support, and correspondingly the rear end portion of the percussion module is supported to the carriage by means of a rear support.
  • Distal end portions of the bodies of the gear module and the percussion module may comprise support flanges.
  • the front and rear support of the carriage may comprise upwardly directed surfaces, against which the support flanges may be supported and fastened by using transversal mounting bolts.
  • the disclosed end supports have primary purpose for receiving vertical loads, since the axial forces are received by the axial support surfaces of the carriage.
  • the rock drilling machine comprises a flushing housing at the front of the gear module.
  • the flushing housing may comprise a rear flange connected against a frontal flange of the gear module by means of axial fastening screws.
  • the flushing housing further comprises at least one feed port for feeding flushing fluid inside the flushing housing and further via a drilling tool to a bottom of a drill hole.
  • the flushing housing may serve as a kind of a front cover for the rock drilling machine.
  • the flushing housing may already be assembled on its place when the rock drilling machine is mounted on the carrier.
  • the rock drilling machine is provided with an axial bearing module.
  • the axial bearing module comprises one or more axial pistons, which are axially movable and are arranged to affect to axial position of the shank.
  • the axial pistons may be sleeve-like objects arranged around the percussion piston and they may be moved hydraulically.
  • axial shaft-like pistons may be placed around the percussion piston.
  • the axial bearing module is located at the front end portion of the percussion module, whereby the axial piston of the bearing module reaches to the shank directly or by means of one or more axial transmitting elements.
  • the axial bearing module pushes the shank in the front direction, then the axial bearing module generates forces which endeavor to push the gear module away from the percussion module.
  • the forces generated by the operation of the axial bearing module are received by the first and second connecting bolts.
  • the rock drilling rig comprises an axial bearing, which differs from the abo disclosed embodiment in that it is not located inside the percussion module.
  • the arrangement comprises an intermediate element arranged between the gear module and the percussion module, and the intermediate module comprises the axial bearing.
  • intermediate element provided with the axial bearing may be easily removed and substituted as one complete element. Since the intermediate element is between the opposing joint surfaces of the gear module and the percussion module, the axial forces derived from the operation of the axial bearing are received by the two connecting means disclosed in this patent application.
  • the intermediate element may be a flange-like element.
  • the body of the percussion module is an elongated cylindrically shaped piece comprising a transversal connecting flange at the front end portion of the percussion module, and the connecting flange is provided with the axial second joint surfaces. Further, the rear end of the body of the percussion module is provided with a rear cover.
  • the percussion module comprises a pressure medium operated percussion device. Then, pressure medium under high pressure is fed to the percussion module in order to generate impact pulses by means of percussion piston, or utilizing any other type of impact element.
  • the fed high pressurized hydraulic oil, or any other fluid causes inside the rock drilling machine axial forces, which push the gear module and the percussion module towards opposing directions from each other.
  • the generated internal pressure-based forces are received by the first and second connecting means.
  • the double connecting system provides counterforces against the generated pressure-based internal forces.
  • the percussion module comprises a percussion piston supported inside the body of the percussion module, and the percussion piston being arranged to move axially in an impact direction towards the front end portion of the rock drilling machine and correspondingly in a return direction towards the rear end portion.
  • Inside the gear module is a shank supported to the body of the gear module rotatable and axially movably.
  • the gear module further comprises a gear transmission for transmitting rotation torque to the shank in order to rotate the shank around it's longitudinal axis.
  • the shank comprises connecting threads at a front end portion of the shank for connecting a drilling tool to the shank by means of a screw-mounting.
  • the operation of the percussion module is based on reciprocating percussion piston, which strikes an impact surface of the shank at the end of the movement towards the impact direction and which moves in a reverse direction after the impact until the direction of movement again changes from the return movement to impact direction movement.
  • the reciprocating movement of the percussion piston causes axial forces which may be received by means of the disclosed double connecting means. Accelerations and decelerations of the percussion piston cause axial forces, whereby the axial connecting means are subjected to axial stresses and fatigue.
  • the percussion module comprises an impact element, which is not moving in reciprocating manner. Instead length of the impact element may be shortened, and when being suddenly released to the original length, an impact pulse is generated.
  • other type of percussion modules than disclosed in more detailed in this patent application, may also be utilized in the disclosed arrangement.
  • the rotation device comprises a rotating motor, which is located above the axial connection arrangement of the gear module, fastening lugs and the percussion module.
  • the rotating motor may extend from the rear end of the gear module towards a rear end of the rock drilling machine. Thanks to this embodiment, the rotating motor does not increase sideward dimensions of the rock drilling machine.
  • the rotation device comprises a rotating motor, which is located on a side of the axial connection arrangement of the gear module, fastening lugs and the percussion module. Thanks to this embodiment, the rotating motor does not increase height dimensions of the rock drilling machine.
  • the disclosed arrangement is applied in a rock drilling rig, comprising a movable carrier, at least one drilling boom and a feed beam in the at least one drilling boom.
  • Figure 1 shows a feasible rock drilling unit 1 which may be connected by means of a boom 2 to a movable carrier of a rock drilling rig, which is not shown.
  • the drilling unit 1 may comprise a feed beam 3 and a rock drilling machine 4 supported on it by means of a carriage 5.
  • the rock drilling machine 4 may be moved in a drilling direction A and reversing direction B on the feed beam 3 by means of a feed device 6, which is connected to the carriage 5.
  • the rock drilling machine 4 comprises a shank 7 at a front end portion of the rock drilling machine 4 for connecting a drilling tool 8.
  • the drilling tool 8 may comprise one or more drill rods and a drill bit 9 located at a distal end of the drilling tool 8.
  • the rock drilling machine 4 further comprises a rotating device 10 for rotating R the shank 7 and the drilling tool 8 connected to the shank 7.
  • the rock drilling machine 4 is also provided with a percussion device 11 comprising an impact element, such as a reciprocating percussion piston for generating impact pulses P to the drilling tool 8.
  • Figure 1 further discloses that the rotating device 10 comprises a rotation motor 12, which may be a hydraulic motor, for example. Torque generated by the rotation motor 12 is transmitted via a gear module 13 to the shank 7.
  • the gear module 13 comprises a gear system inside a body of the gear module 13.
  • the front end of the gear module may comprises a flushing housing 14, and a rear end of the gear module 13 is connected to a percussion module 15 inside which the percussion piston 16 of corresponding impact element for producing impact pulses P is located.
  • the percussion device 11 may be pressure fluid operated, typically hydraulically operated, whereby the percussion module 15 is connected to hydraulic circuit of the rock drilling rig.
  • the rock drilling machine 4 may be pre-assembled before mounting it to the carriage 5, or at least the gear module 13 and the percussion module 15 are connected to each other, either directly, or via one or more intermediate elements.
  • the gear module 13 and the percussion module 15 are arranged successively on a same axial line 17.
  • the carriage 5 may comprise one or more fastening lugs 18 against which the rock drilling machine 4 may supported axially.
  • Joint 19 between the modules 13 and 15 is subjected to forces that are pulling the modules away from each other. These forces are generated when high pressurized fluid is fed to the percussion module, when the reciprocating percussion piston is accelerated and decelerated, and also when impact pulses P are reflecting back from the drilled material and are received as reflecting impact pulses RP.
  • Axial forces are directed to the axial connection 20 between the rock drilling machine 4 and the fastening lugs or surfaces of the carriage 5 when forward directed feed force FA is generated during the drilling and when a rearward directed feed force FB is generated for retracting the rock drilling machine 4.
  • the joint 19 and the axial connection 20 are subjected to axial forces wherefore the double fastening system disclosed in this patent application is beneficial.
  • the drilling direction A also indicates the front direction and the reversing direction B indicates the rear direction.
  • drill holes are drilled with the drilling unit 1.
  • the drill holes may be drilled in a horizontal direction, as shown in Figure 1 , or in a vertical direction.
  • the disclosed solution is known as top-hammer drilling.
  • the features disclosed in this application may be applied in such drilling machines.
  • Figures 2a - 2c illustrate in a simplified manner phases of assembly of the rock drilling machine 4 to a carriage 5.
  • Figure 2a shows a gear module 13 provided with a rear directed first joint surface 21 and a percussion module 15 provided with a front directed second joint surface 22.
  • the gear module 13 comprises a main body 23 a rear end of which may be provided with a flange 24, and correspondingly a main body 25 of the percussion module 15 may also comprise a flange 26.
  • the joint surfaces 21, 22 facing towards each other are arranged against each other and are connected by means of first connecting means 27, which generate first connecting forces F1.
  • a joint 19 is made between the modules 13 and 15.
  • the rock drilling machine 4 may be pre-assembled, or at least partly pre-assembled before mounting it to the carriage 5.
  • Figure 2b further shows that the fastening lugs 18 comprise front directed first axial support surfaces 28 against which rear directed second axial support surfaces 29 of the percussion module 15 may be fastened by means of second connecting means 30, which are shown in Figure 2c . Thereby an axial connection 20 is formed between the rock drilling machine 4 and the carrier 5.
  • Figure 3 and 4 disclose an arrangement wherein the above disclosed mounting principles are applied in the joint 19 and the axial connection 20.
  • the axial joint surfaces of the gear module 13 and the percussion module 15 are pressed against each other by means of the first connecting forces F1 and the second connecting forces F2.
  • the first connecting forces F1 are generated by means of first connecting bolts 31, which may be pin bolts screwed to threaded blind holes 32 of the gear module 13.
  • the opposite ends of the pin bolts may be provided with tightening nuts 33.
  • the second fastening forces F2 may be generated by means of second connecting bolts 34, which may pass through holes made to the flanges 24, 26 and to the fastening lugs 18.
  • Figures 3 and 4 further disclose that the main body 25 of the percussion module 15 may be substantially cylinder-shaped and that a rear end of the body may be provided with an end cover 35. Between a rear portion of the body 25 of the percussion module and the carriage 5 may be a vertical rear support 36, and correspondingly between a front portion of a main body 23 of the gear module 13 and the carriage 5 may be a vertical front support 37.
  • the vertical supports 36 and 37 may comprise vertical support surfaces and screw-fastening means.
  • Figure 5 shows a rock drilling machine provided with an axial bearing module 38 at a front end of the percussion module 15.
  • the axial bearing module 38 may comprise a sleeve like axial piston 39 which may influence to axial position of the shank 7.
  • the force generated by the axial piston 39 may be transmitted to the shank directly or via a transmitting element 40.
  • the operation of the axial bearing module 38 causes axial support forces to the modules and these forces are received by the first connection bolts 31 and the second connection bolts 34.
  • the disclosed embodiment of Figure 5 comprises substantially similar other features as disclosed in previous Figures 1 - 4 .
  • Figure 6 discloses an alternative arrangement, wherein the gear module 13 comprises front directed support surfaces 41 arranged against rear directed support surfaces of the fastening lugs 18. All the other features may be in accordance with above disclosed embodiments.
  • Figures 7 and 8 show an arrangement, wherein between the gear module 13 and the percussion module 15 is an intermediate module 42.
  • the intermediate module 42 may comprise a space 43 for an axial bearing module. Then the percussion module is without any axial bearing module.
  • the bearing module may correspond to the one disclosed in Figure 5 .
  • a rear end of the intermediate module 42 may comprise a rearward protruding part and the front end of the percussion module may comprise a recess for receiving it.
  • the intermediate element 42 comprises third axial joint surfaces 44 facing towards the gear module 13 and fourth axial joint surfaces 45 facing towards the percussion module 15.
  • the first joint surfaces 21 of the gear module and the third joint surfaces 44 of the intermediate module 42 are arranged against each other, and correspondingly the second joint surfaces 22 of the percussion module and the fourth joint surfaces 45 of the intermediate module 42 are arranged against each other.
  • First connecting bolts 31 and the second connecting bolts 34 press the mentioned axial joint surfaces against each other and keep them locked by means of axial connecting forces F1 and F2 generated by the double connecting system.

Claims (13)

  1. Agencement dans une machine de forage de roche, lequel agencement comprend :
    une machine de forage de roche (4) comprenant un module d'engrenages (13), qui est situé au niveau d'une portion extrémité avant de la machine de forage de roche et un module de frappe (15), qui est situé au niveau d'une portion extrémité arrière de la machine de forage de roche, et le module d'engrenages (13) et le module de frappe (15) sont sur une même ligne axiale (17) et dans lequel un corps (23) du module d'engrenages (13) comprend une première surface de jonction axiale (21) orientée vers la portion extrémité arrière de la machine de forage de roche, et moyennant quoi un corps (25) du module de frappe (15) comprend une seconde surface de jonction axiale (22) orientée vers la portion extrémité avant de la machine de forage de roche ;
    des moyens de liaison (27, 30, 31, 34) pour relier le module d'engrenages (13) et le module de frappe (15) ; et
    un chariot (5) pouvant être supporté mobile par une poutre de guidage et comprenant une partie corps, qui est un élément allongé agencé longitudinalement par rapport à la machine de forage de roche (4) et des premières surfaces de support axiales (28) pour relier la machine de forage de roche (4) ;
    caractérisé en ce que
    le chariot (5) comprend en outre deux crans de fixation transversaux (18) qui sont situés à une distance transversale l'un de l'autre et sont dotés des premières surfaces de support axiales (28) orientées vers la portion extrémité avant de la machine de forage de roche ;
    le module de frappe (15) est situé entre les crans de fixation (18) au niveau de la ligne axiale (17) du chariot (5) ; et
    les moyens de liaison comprennent une pluralité de premiers moyens de liaison (27, 31) et une pluralité de seconds moyens de liaison (30, 34),
    dans lequel les premiers moyens de liaison (27, 31) sont aptes à assembler la machine de forage de roche (4), en liant successivement le module d'engrenages (13) et le module de frappe (15) axialement l'un à l'autre, en générant une première force de liaison (F1) pour forcer la première surface de jonction axiale (21) du module d'engrenages (13) et la seconde surface de jonction axiale (22) du module de frappe (15) l'une vers l'autre, et les seconds moyens de liaison (30, 34) sont aptes à monter la machine de forage de roche préassemblée (4) sur le chariot, en générant une seconde force de liaison (F2) pour forcer la première surface de jonction axiale (21) du module d'engrenages (13) et la seconde surface de jonction axiale (22) du module de frappe (15) l'une vers l'autre, et laquelle seconde force de liaison (F2) est configurée pour fixer le module d'engrenages (13) et le module de frappe (15) aux premières surfaces de support axiales (28) du chariot (5).
  2. Agencement selon la revendication 1, caractérisé en ce que
    le module de frappe (15) comprend des deuxièmes surfaces de support axiales (29), qui sont orientées vers la portion extrémité arrière de la machine de forage de roche ; et
    les premières surfaces de support axiales (28) et les deuxièmes surfaces de support axial (29) sont forcées les unes vers les autres sous l'influence de la seconde force de liaison (F2).
  3. Agencement selon la revendication 1 ou 2, caractérisé en ce que
    les premiers moyens de liaison (27) sont des premiers boulons de liaison dirigés axialement (31) et les seconds moyens de liaison (30) sont des seconds boulons de liaison dirigés axialement (34) ; et
    les premiers boulons de liaison (31) sont situés à plus courte distance d'une ligne centrale (17) de la machine de forage de roche (4) comparés aux seconds boulons de liaison (34), moyennant quoi les premiers boulons de liaison (31) et les seconds boulons de liaison (34) sont situés en des positions différentes les uns par rapport aux autres.
  4. Agencement selon l'une quelconque des revendications précédentes 1 à 3, caractérisé en ce que
    les premiers moyens de liaison (27) sont des premiers boulons de liaison dirigés axialement (31) et les seconds moyens de liaison (30) sont des seconds boulons de liaison dirigés axialement (34) ;
    la première surface de jonction axiale (21) du module d'engrenages (13) comprend plusieurs trous borgnes (32) dotés de filetages de liaison ;
    les premiers boulons de liaison (31) sont des ergots liés aux trous borgnes (32) ;
    la seconde surface de jonction axiale (22) du module de frappe (15) comprend plusieurs trous traversants à travers lesquels passent les ergots ;
    des extrémités externes des ergots sont dotées d'écrous de serrage (33) pour générer la première force de liaison (F1) ;
    l'agencement comprend en outre plusieurs trous traversants axiaux passant à travers la première surface de liaison (21) du module d'engrenages (13), la seconde surface de liaison (22) du module de frappe (15) et les premières surfaces de support (28) du chariot (5) ; et
    les seconds boulons de liaison (34) sont configurés pour passer à travers les trous traversants axiaux et pour générer la seconde force de liaison (F2).
  5. Agencement selon l'une quelconque des revendications précédentes 1 à 4, caractérisé en ce que
    la première surface de jonction axiale opposée (21) du module d'engrenages (13) et la seconde surface de jonction axiale (22) du module de frappe (15) sont agencées directement l'une contre l'autre ; et
    les surfaces de jonction opposées (21, 22) sont forcées l'une contre l'autre au moyen des premières forces de liaison (F1) et des secondes forces de liaison (F2).
  6. Agencement selon l'une quelconque des revendications précédentes 1 à 4, caractérisé en ce que
    l'agencement comprend au moins un élément intermédiaire (42) agencé entre le module d'engrenages (13) et le module de frappe (15), lequel élément intermédiaire (42) comprend des troisièmes surfaces de jonction axiale (44) orientées vers le module d'engrenages (13) et des quatrièmes surfaces de jonction axiale (45) orientées vers le module de frappe (15) ; et
    les premières surfaces de jonction (21) et les troisièmes surfaces de jonction (44) sont agencées les unes contre les autres, et de manière correspondante les deuxièmes surfaces de jonction (22) et les quatrièmes surfaces de jonction (45) sont agencées les unes contre les autres, et sont forcées les unes contre les autres au moyen des premières et secondes forces de liaison (F1, F2).
  7. Agencement selon l'une quelconque des revendications précédentes 1 à 6, caractérisé en ce que
    la portion extrémité arrière du module d'engrenages (13) comprend une première bride de liaison (24) dotée des premières surfaces de jonction axiale (21) ;
    le corps (25) du module de frappe (15) est de forme cylindrique et l'orifice d'extrémité avant du corps comprend une seconde bride de liaison (26) dotée des deuxièmes surfaces de jonction axiale (22) ; et
    les seconds moyens de liaison (30) sont des boulons de liaison (34) qui sont situés à une distance transversale d'une ligne externe passant le long d'une surface externe de la partie corps de forme cylindrique.
  8. Agencement selon l'une quelconque des revendications précédentes 1 à 7, caractérisé en ce que
    le module d'engrenages (13) comprend une tige axiale (7) ;
    la machine de forage de roche (4) comprend un module de roulement axial (38) comprenant au moins un piston axial (39), qui est mobile axialement et est configuré pour modifier une position axiale de la tige (7) ;
    le module de roulement axial (38) est situé au niveau de la portion extrémité avant du module de frappe (15), et le fonctionnement du module de roulement axial (38) est configuré pour générer une force axiale dirigée vers l'extrémité avant de la machine de forage de roche (4), moyennant quoi la force entreprend de pousser le module d'engrenages (13) à l'écart du module de frappe (15) ;
    et dans lequel les premiers moyens de liaison (27) et les seconds moyens de liaison (30) sont configurés pour recevoir les forces axiales provoquées par les forces fonctionnelles du module de roulement axial (38).
  9. Agencement selon l'une quelconque des revendications précédentes 1 à 7, caractérisé en ce que
    l'agencement comprend au moins un élément intermédiaire (42) agencé entre le module d'engrenages (13) et le module de frappe (15) ;
    le module d'engrenages (13) comprend une tige axiale (7) ;
    la machine de forage de roche (4) comprend un module de roulement axial (38) comprenant au moins un piston axial (39), qui est mobile axialement et est configuré pour modifier une position axiale de la tige (7) ;
    le module de roulement axial (38) est situé à l'intérieur de l'élément intermédiaire (42), et le fonctionnement du module de roulement axial (38) est configuré pour générer une force axiale dirigée vers l'extrémité avant de la machine de forage de roche (4), la force entreprend de pousser le module d'engrenages (38) à l'écart de l'élément intermédiaire (42) ;
    et dans lequel la première force de liaison (F1) et la seconde force de liaison (F2) sont configurées pour recevoir les forces fonctionnelles du module de roulement axial (38) et pour empêcher les surfaces de jonction axiale (21, 22, 44, 45) de se séparer.
  10. Agencement selon l'une quelconque des revendications précédentes 1 à 9, caractérisé en ce que
    le corps (25) du module de frappe (15) est une pièce de forme cylindrique allongée comprenant une bride de liaison transversale (26) au niveau de la portion extrémité avant du module de frappe (15), et la bride de liaison (26) est dotée des deuxièmes surfaces de jonction axiale (22) ; et
    l'extrémité arrière du corps du module de frappe (15) est dotée d'une protection arrière (35).
  11. Agencement selon l'une quelconque des revendications précédentes 1 à 10, caractérisé en ce que
    le module de frappe (15) comprend un piston de frappe (16) supporté à l'intérieur du corps (25) du module de frappe (15), et le piston de frappe (16) étant agencé pour se déplacer axialement dans une direction d'impact (A) vers la portion extrémité avant de la machine de forage de roche (4) et de manière correspondante dans une direction de retour (B) vers la portion extrémité arrière ; et
    à l'intérieur du module d'engrenages (13) se trouve une tige (7) supportée sur un corps (23) du module d'engrenages (13) rotative et mobile axialement ;
    le module d'engrenages (13) comprend en outre une transmission à engrenages pour transmettre un couple de rotation à la tige (7) afin de mettre en rotation (R) la tige (7) autour d'un axe longitudinal de la tige ; et
    dans lequel la tige (7) comprend des filetages de liaison au niveau d'une portion extrémité avant de la tige pour lier une foreuse à percussion (8) à la tige (7) au moyen d'un montage à vis.
  12. Agencement selon l'une quelconque des revendications précédentes 1 à 11, caractérisé en ce que
    l'agencement de la présente invention est appliqué à un appareil de forage de roche, comprenant un chariot mobile, au moins un bras de forage et une poutre de guidage dans l'au moins un bras de forage.
  13. Procédé de montage d'une machine de forage de roche, dans lequel le procédé comprend :
    l'assemblage de la machine de forage de roche (4) par liaison successive d'un module d'engrenages (13) et d'un module de frappe (15) axialement l'un à l'autre au moyen de premiers moyens de liaison (27, 31) ;
    le montage de la machine de forage de roche préassemblée (4) sur un chariot (5) au moyen de crans de fixation (18), moyennant quoi la machine de forage de roche (4) peut être supportée par une poutre de guidage (3) d'une unité de forage de roche au moyen du chariot (5) ;
    caractérisé par
    la génération, pendant l'assemblage de la machine de forage de roche, d'une première force de liaison (F1) au moyen des premiers moyens de liaison (27, 31) afin de forcer le module d'engrenages (13) et le module de frappe (15) axialement l'un vers l'autre ;
    le montage la machine de forage de roche sur les crans de fixation (18) du chariot (5) au moyen de plusieurs seconds moyens de liaison (30, 34) et la génération simultanée d'une seconde force de liaison (F2) pour forcer le module d'engrenages (13) et le module de frappe (15) axialement l'un vers l'autre ; et
    le maintien, pendant le fonctionnement de la machine de forage de roche (4), de surfaces de jonction axiale (21, 22, 44, 45) entre le module d'engrenages (13) et le module de frappe (15) les unes contre les autres sous l'influence des premières forces de liaison (F1) et des secondes forces de liaison (F2).
EP15185209.2A 2015-09-15 2015-09-15 Agencement dans une machine de forage de roche et procédé de montage d'une machine de forage de roche Active EP3144466B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
TR2018/06744T TR201806744T4 (tr) 2015-09-15 2015-09-15 Kaya delme makinesinde düzenleme ve kaya delme makinesinin montaj yöntemi.
EP15185209.2A EP3144466B1 (fr) 2015-09-15 2015-09-15 Agencement dans une machine de forage de roche et procédé de montage d'une machine de forage de roche
CA2940853A CA2940853C (fr) 2015-09-15 2016-09-02 Arrangement dans une machine de forage de roche et methode d'installation de machine de forage de roche
AU2016222462A AU2016222462B2 (en) 2015-09-15 2016-09-02 Arrangement in rock drilling machine and method of mounting rock drilling machine
JP2016173250A JP6272968B2 (ja) 2015-09-15 2016-09-06 削岩機械における配置及び削岩機械の装着方法
CL2016002289A CL2016002289A1 (es) 2015-09-15 2016-09-12 Disposicion de una maquina perforadora de rocas, que comprende un modulo de engranajes que esta situado en la porcion extrema delantera y un modulo de percusion que esta situado en la porcion posterior de dicha maquina, unos medios de conexion para conectar el modulo de engranajes y el modulo de percusion, un carro soportable de manera movil a un brazo alimentador, donde el carro comprende dos lenguetas de fijacion transversal metodo para montar una maquina perforadora de rocas.
KR1020160118222A KR101956981B1 (ko) 2015-09-15 2016-09-13 착암기의 배열체 및 착암기의 장착 방법
US15/264,773 US20170074040A1 (en) 2015-09-15 2016-09-14 Arrangement in rock drilling machine and method of mounting rock drilling machine
CN201610826948.1A CN106948754B (zh) 2015-09-15 2016-09-14 岩钻机中的布置结构及安装岩钻机的方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15185209.2A EP3144466B1 (fr) 2015-09-15 2015-09-15 Agencement dans une machine de forage de roche et procédé de montage d'une machine de forage de roche

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EP3144466A1 EP3144466A1 (fr) 2017-03-22
EP3144466B1 true EP3144466B1 (fr) 2018-04-18

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US (1) US20170074040A1 (fr)
EP (1) EP3144466B1 (fr)
JP (1) JP6272968B2 (fr)
KR (1) KR101956981B1 (fr)
CN (1) CN106948754B (fr)
AU (1) AU2016222462B2 (fr)
CA (1) CA2940853C (fr)
CL (1) CL2016002289A1 (fr)
TR (1) TR201806744T4 (fr)

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EP4253714A1 (fr) * 2022-04-01 2023-10-04 Sandvik Mining and Construction Oy Racleur, unité de forage de roches et procédé

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Publication number Publication date
EP3144466A1 (fr) 2017-03-22
TR201806744T4 (tr) 2018-06-21
JP6272968B2 (ja) 2018-01-31
CN106948754B (zh) 2019-11-22
KR20170032866A (ko) 2017-03-23
AU2016222462B2 (en) 2017-04-13
CL2016002289A1 (es) 2017-05-05
US20170074040A1 (en) 2017-03-16
KR101956981B1 (ko) 2019-03-11
CA2940853C (fr) 2018-06-19
AU2016222462A1 (en) 2017-03-30
JP2017082572A (ja) 2017-05-18
CN106948754A (zh) 2017-07-14
CA2940853A1 (fr) 2017-03-15

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