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1. 发明申请

US20220341323A1 A MINING MACHINE AND A METHOD FOR ROCK EXCAVATION 有权
公开(公告)号：US20220341323A1
公开(公告)日：2022-10-27
申请号：US17634448
申请日：2020-08-17
申请人： EPIROC ROCK DRILLS AKTIEBOLAG
发明人： Hans KERFSTEDT
IPC分类号： E21D9/10
摘要： A mining machine (102) for rock excavation, comprising: a rotatable cutting head (104) having cutting elements (108); a holder (110) for holding the cutting head (104); a movable thrust unit (112) attached to the holder (110); a machine body (114) attached to the thrust unit (112); a thrust apparatus (118) for moving the thrust unit (112) between retracted and extended positions and for pushing the thrust unit (112) forward, thereby pushing the cutting elements (108) into a rock formation; a hydraulic pump (122); a hydraulic consumer (125); and a hydraulic line system (126) for connecting the hydraulic pump (122) to the hydraulic consumer (125). The hydraulic line system (126) comprises first hydraulic lines (126a) attached to the machine body (114), second hydraulic lines (126b) attached to the thrust unit (112), and two telescopic hydraulic line units (128). Each telescopic hydraulic line unit (128) connects one (126a) of the first hydraulic lines (126a) to one (126b) of the second hydraulic lines (126b). The telescopic hydraulic line unit (128) is retracted and extended with the movement of the thrust unit (112).

2. 发明授权

US11448070B2 Rock bolting rig and method at rock bolting rig 有权
公开(公告)号：US11448070B2
公开(公告)日：2022-09-20
申请号：US17058720
申请日：2019-05-27
申请人： EPIROC ROCK DRILLS AKTIEBOLAG
发明人： Martin Ekefalk , Jan Olsson , Björn Anders Larsson , René Deutsch , Hans Gustavsson
IPC分类号： E21D20/00
摘要： A rig adapted for rock bolting comprising a feeding magazine is provided. The feeding magazine comprises a holding structure for bolts and is arranged in conjunction with a rock reinforcement unit. The rig further comprises a feeding device that is arranged to provide the rock reinforcement unit with bolts from the feeding magazine. The rig further comprises a loading magazine comprising a holding structure for bolts, as well as a, relative to the feeding magazine and the loading magazine, moveable picking device arranged to move bolts that are located in the loading magazine such that they are accessible to the feeding device.

3. 发明授权

US10392877B2 Chuck for a drill head of a rotation drilling rig 有权
公开(公告)号：US10392877B2
公开(公告)日：2019-08-27
申请号：US15306274
申请日：2015-04-22
申请人： EPIROC ROCK DRILLS AKTIEBOLAG
发明人： Jan Hanna , Martin Forsberg , Karolina Årdh
IPC分类号： E21B19/10 , E21B19/16 , E21B3/02 , F16F1/18 , F16F1/12 , E21B7/02
摘要： A chuck for a drill head of a rotation rock drilling rig, wherein a plurality of jaws are equally angularly distributed around a grip position axis, wherein the jaws co-operate with actuator means for radial movements of the jaws, and wherein the chuck includes urging means being arranged for influencing the jaws into the release position. The urging means is a partially annular jaw spring surrounding said axis and having two spring ends adjacent to each other. The jaws together form an inside seat for the jaw spring and the jaw spring is arranged for fixing engagement with one of the jaws. The invention also relates to a drill head, a rig and a jaw spring.

4. 发明授权

US09982536B2 Method pertaining to a rock bolting configuration, a rock bolting configuration, a vehicle comprising a rock bolting configuration and a computer program product 有权
公开(公告)号：US09982536B2
公开(公告)日：2018-05-29
申请号：US14421860
申请日：2013-08-26
申请人： Atlas Copco Rock Drills AB
发明人： Sven-Olov Nystrom , Jan Olsson
IPC分类号： E21D20/00 , G05B15/02 , F16D19/00 , F16B19/00
CPC分类号： E21D20/003 , E21D20/006 , F16B19/00 , G05B15/02 , Y10T29/49895
摘要： The invention relates to a method pertaining to a bolting configuration (299) where a drilling unit and a bolting unit are arranged to be supported by a bottom carriage (330) via a respective top carriage (271; 272), wherein said bottom carriage (330) is arranged to be supported by a feed beam (230), relative to which said bottom carriage (330) is displaceable, wherein said top carriages (271; 272) are arranged to alternately be supported by said bottom carriage (330) to alternately be brought into operative engagement and hereby alternately be locked relative to said bottom carriage (330). The method comprises the step of: —said locking being performed by a locking configuration (350; 351) comprising at least one hydraulically, pneumatically or electrically displaceably arranged locking pin (350) adapted to be inserted into a locking hole (351) during locking, wherein said locking pin (350) is supported by said one top carriage (271; 272) and said locking hole (351) is arranged in said bottom carriage (330), or vice versa. The invention also relates to a computer program product comprising program code (P) for a computer (200; 210) to implement a method according to the invention. The invention also relates to a bolting configuration and a vehicle equipped with the bolting configuration.

5. 发明申请

US20230136108A1 A METHOD PERFORMED BY A CONTROL DEVICE FOR CONTROLLING THE FEEDING DISTANCE AND FEEDING RATE IN A ROCK DRILLING UNIT, A ROCK DRILLING UNIT AND A ROCK DRILLING RIG 有权
公开(公告)号：US20230136108A1
公开(公告)日：2023-05-04
申请号：US17913221
申请日：2021-03-17
申请人： EPIROC ROCK DRILLS AKTIEBOLAG
发明人： Christer ANDERSSON
IPC分类号： E21B44/02 , E21B45/00 , E21B19/16
摘要： The invention relates to a method performed by a control device for controlling a feeding distance and feeding rate in a rock drilling unit. The rock drilling unit comprising: a feeding device for feeding at least one drill rod and a drill bit in an axial direction; a rotating device; and a distance and rate measuring device comprising at least one rotational target wheel configured to be driven by the feeding device and at least one sensor device connected to the control device, the method comprising: controlling the feeding device to move in the axial direction; determining the feeding distance from a first position and the feeding rate of the feeding device from the rotational motion of the at least one rotational target wheel; and controlling the feeding device depending on the determined feeding distance and feeding rate of the feeding device.

6. 发明授权

US11459872B2 System and method for assessing the efficiency of a drilling process 有权
公开(公告)号：US11459872B2
公开(公告)日：2022-10-04
申请号：US16310719
申请日：2017-05-19
申请人： EPIROC ROCK DRILLS AKTIEBOLAG
发明人： Samuel Enblom , Erik Jakobsson , Mattias Göthberg
IPC分类号： E21B44/08 , E21B47/01 , E21B7/02 , E21B44/00 , E21B15/00
摘要： A method for determining efficiency of a drilling process comprising the steps of: transferring energy via a tool member to the material in which drilling is to be performed by means of a drilling configuration; detecting waves which are propagating in said tool member of said drilling configuration during drilling as a result of energy provision; detecting said waves by means of at least two sensor means arranged on mutually opposite sides of said tool member adjacent to, on a certain distance from, said tool member, which sensor means are based on inductive and/or capacitive detection of said waves in said tool member; and based on results of said detection, determining said efficiency of said drilling process.

7. 发明申请

US20220236100A1 METHOD AND SYSTEM FOR CONTROLLING A MINING AND/OR CONSTRUCTION MACHINE 有权
公开(公告)号：US20220236100A1
公开(公告)日：2022-07-28
申请号：US17596001
申请日：2020-06-03
申请人： EPIROC ROCK DRILLS AKTIEBOLAG
发明人： Robert PETTERSSON , Erik JAKOBSSON
IPC分类号： G01G19/08 , G07C5/08 , E21F13/02 , G01L1/22
摘要： A method for estimating a level of stress that a mine truck is subjected to. The mine truck includes a frame; a container for carrying payload supported by the frame; and at least one sensor, the at least one sensor delivering signals being dependent on a force acting on the mine truck. The method includes for at least a first position of the frame, estimating a level of stress that said at least a first position is subjected to in response to a force acting on the mine truck, wherein said at least a first position is a position being different from the position of said at least one sensor; and estimating said level of stress utilising a model representation of the level of stress for said at least a first position wherein said model representation output said estimated level of stress utilising sensor signals from said at least one sensor as input signals.

8. 发明授权

US11261677B2 System for drill bit change in a drilling rig, drilling rig comprising such a system, and a method for changing drill bits using such a system 有权
公开(公告)号：US11261677B2
公开(公告)日：2022-03-01
申请号：US17057288
申请日：2019-05-16
申请人： EPIROC ROCK DRILLS AKTIEBOLAG
发明人： Anders Hellman
IPC分类号： E21B19/18 , E21B19/14 , E21B19/20
摘要： A drilling rig includes an interchangeable plurality of drill pipes, wherein drill bits are arranged at an end section of an end drill pipe. The drill bit being attached to the end section by means of a threaded connection and torque being provided to the drill bit by means of a splines coupling. The drilling rig comprises a lower support device and a breaker device. The system includes a drill bit storage device arranged to hold a plurality of drill bits, a gripping arm for selective gripping of a drill bit. The gripping arm may further comprise a movement sensor, arranged to monitor movement of the gripping arm, and the system may further comprise a control unit. The control unit being arranged to receive input from the sensors and the drilling rig, and to control movement of the gripping arm, the gripping means, the drill bit storage device, and the breaker device of the drilling rig.

9. 发明授权

US10456898B2 Damping device for a percussion device, percussion device and rock drilling machine 有权
公开(公告)号：US10456898B2
公开(公告)日：2019-10-29
申请号：US15103968
申请日：2015-01-16
申请人： Atlas Copco Rock Drills AB
发明人： Maria Pettersson
IPC分类号： E21B1/24 , B25D17/24 , E21B1/02 , B25D9/12 , E21B7/02
摘要： Damping device for a percussion device of a hydraulic rock drilling machine (1) with a striking direction (R), including a damping piston (5) for action in an axial direction against a tool, wherein the damping piston (5) exhibits a first piston portion (6), which is received in a first damping chamber (7) and a second piston portion (8), which is received in a second damping chamber (9). In operation, in a normal striking position of said percussion device, the damping piston (5) is set against a fixed stop (19) against movements in the striking direction. A damping slot (10) is established between the first (7) and the second (9) damping chamber in all axial positions of the damping pistons, and the first damping chamber (7) is pressurized with a hydraulic pressure. The invention also concerns a percussion device and a rock drilling machine.

10. 发明授权

US10343680B2 Method and system for driving a mining and/or construction machine 有权
公开(公告)号：US10343680B2
公开(公告)日：2019-07-09
申请号：US13261838
申请日：2012-11-15
申请人： Atlas Copco Rock Drills AB
发明人： Johan Larsson
IPC分类号： B60W30/09 , B60T7/22 , G08G1/16 , B60W50/00
摘要： The present invention relates to a method for driving a mining and/or construction machine, where said machine is arranged to be controlled by an operator by means of maneuvering means, where said operator, when driving said machine, provides steering commands by means of said maneuvering means for maneuvering said machine. The method comprises, when said machine is being driven in an environment having at least a first obstacle: when said machine is within a first distance from said first obstacle, estimate a first path that has been requested by said operator by means of said steering commands, by means of a control system, determining whether said machine when moving according to said requested first path will be driven within a second distance from said first obstacle, and when it is determined that said machine, when travelling according to said first path, will be driven within said second distance from said first obstacle, retard said machine by means of said control system.

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