SE1450836A1 - Method for mounting bolts in a tunnel wall - Google Patents
Method for mounting bolts in a tunnel wall Download PDFInfo
- Publication number
- SE1450836A1 SE1450836A1 SE1450836A SE1450836A SE1450836A1 SE 1450836 A1 SE1450836 A1 SE 1450836A1 SE 1450836 A SE1450836 A SE 1450836A SE 1450836 A SE1450836 A SE 1450836A SE 1450836 A1 SE1450836 A1 SE 1450836A1
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- Sweden
- Prior art keywords
- bolts
- control unit
- bolt
- drill rig
- information
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 3
- 239000011440 grout Substances 0.000 claims description 64
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000004590 computer program Methods 0.000 claims description 2
- 230000001131 transforming effect Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 8
- 238000005553 drilling Methods 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000011960 computer-aided design Methods 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 238000005422 blasting Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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 characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/022—Control of the drilling operation; Hydraulic or pneumatic means for activation or operation
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/02—Setting anchoring-bolts with provisions for grouting
- E21D20/028—Devices or accesories for injecting a grouting liquid in a bore-hole
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/416—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control of velocity, acceleration or deceleration
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D20/006—Machines for drilling anchor holes and setting anchor bolts having magazines for storing and feeding anchoring-bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/02—Setting anchoring-bolts with provisions for grouting
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/45—Nc applications
- G05B2219/45129—Boring, drilling
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Human Computer Interaction (AREA)
- Earth Drilling (AREA)
- Lining And Supports For Tunnels (AREA)
Description
15 20 25 30 According to a first aspect, the present invention is realized by a method for mounting bolts in a tunnel wall. The method comprises: storing actual data representing the actual positions of bore holes having been bored in the tunnel wall by a drill rig, and a control unit instructing a bolting device to mount bolts in the bore holes based on the stored actual data.
This is advantageous in that the mounting of bolts can be performed quickly and correctly. Moreover, the bolts need not be mounted manually. lnstead, the process can be automated. Additionally, the working environment for the construction workers is improved massively. The position of standing and performing movements above the shoulders is extremely tiring.
The control unit may be arranged to store configurations of the drill rig when the drill rig is boring the bore holes in the tunnel wall, and the control unit may be arranged to transform the configurations of the drill rig into configurations for the bolting device. This is advantageous in that it simplifies the mounting of the bolts.
The configurations of the drill rig and the bolting device may comprise configurations of actuators arranged to actuate parts of the drill rig and the bolting device. This is advantageous in that it simplifies the mounting of the bolts.
The step of instructing may comprise the control unit instructing the bolting device to configure its actuators in accordance with the configurations of the bolting device. This is advantageous in that it simplifies the mounting of the bolts.
The control unit may provide bolt mounting reference data comprising at least one of dimension information, angle information, position information, depth information, grout amount information, and grout injection depth information. This is advantageous in that information useful when mounting bolts is provided. As an example, lengths of the bolts protruding from the bore holes can be specified in the bolt mounting reference data such that the space formed by the bolts is shaped in a desirable way. This is advantageous in that the mounting of the bolts, such as, e.g., the size and position of the bore holes, can be adapted to conditions in the tunnel. Positions that are often under large stress, e.g. due to collisions, can suitably bolted. 10 15 20 25 30 The bolting device may comprise a bolter comprising a bolt holder, an arm, and a bolt applicator. The bolt holder may comprise bolts of different dimensions. The control unit may instruct the bolter to influence the arm to pick bolts having dimensions in accordance with the dimension information from the bolt holder and to provide the bolts to the bolt applicator.
Having bolts of different dimensions is advantageous in that the mounting of bolts can be adapted to prevailing conditions.
The bolter may comprise a grout injector. The method may further comprise: the control unit instructing the grout injector to inject amounts of grout in the bore holes in accordance with the grout amount information. This is advantageous in that the amount of grout can be adapted to, e.g. bore hole depth and bolt dimension.
The control unit may instruct the drill rig to bore the bore holes based on at least one of the position information, the depth information, and the angle information. This is advantageous in that the bore holes can be bored such that the bore hole depths, angles and positions are adapted to a desired shape of the tunnel.
The control unit may instruct the bolting device to insert the grout injector to a depth in the bore holes not exceeding a depth specified by the grout injection depth information. This is advantageous in that it is avoided that the grout injector crashes into a bottom of the bore hole risking damaging the grout injector.
According to a second aspect, the present invention is realized by a method for mounting bolts in a tunnel wall. The method comprises: generating bolt mounting reference data, and performing any one of steps of the first aspect. This is advantageous in that information useful when mounting bolts is provided.
The method may further comprise adapting the bolt mounting reference data with tunnel shape information.
This is advantageous in that information about the actual shape of the tunnel can be taken into account when generating the bolt mounting reference data. 10 15 20 25 30 According to a third aspect, the present invention is realized by a computer program product comprising a computer-readable medium with instructions for performing the method of the first and/or the second aspect.
According to a fourth aspect, the present invention is realized by an arrangement for mounting bolts in a tunnel wall. The arrangement comprises: a bolting device and a control unit, the control unit being arranged to store actual data representing the actual positions of bore holes having been bored in the tunnel wall by a drill rig, and the control unit being arranged to instruct the bolting device to mount bolts in the bore holes based on the stored actual data.
The control unit being may be arranged to store configurations of the drill rig when the drill rig is boring the bore holes in the tunnel wall, and the control unit being may be arranged to transform the configurations of the drill rig into configurations for the bolting device.
The configurations of the drill rig and for the bolting device may comprise configurations of actuators arranged to actuate parts of the drill rig and the bolting device.
The control unit may be may be arranged to instruct the bolting device to configure its actuators in accordance with the configurations of the bolting device.
The control unit may be arranged to provide bolt mounting reference data comprising at least one of dimension information, angle information, position information, depth information, grout amount information, and grout injection depth information.
The arrangement may further comprise a bolter. The bolter may comprise a bolt holder comprising bolts of different dimension, an arm, and a bolt applicator, and the control unit may be arranged to instruct the bolt applicator to pick bolts from the bolt holder having dimensions in accordance with the dimension information.
The bolter may comprise a grout injector, and the control unit may be arranged to instruct the grout injector to inject amounts of grout in the bore holes in accordance with the grout amount information. 10 15 20 25 30 The control unit may be arranged to instruct the bolting device to insert the grout injector to a depth in the bore holes not exceeding a depth specified by the depth information.
The control unit may be arranged to instruct the drill rig to bore the bore holes based on the position information.
The arrangement may further comprise a bolt supply. The bolt supply may be a plurality of boxes, each box comprising bolts of one size. This is advantageous in that it increases the chance of the right bolts being on the right position and thus can the risk of errors be minimized. The bolt supply may be a revolver comprising bolts of different size. The plurality of boxes are easy to load and easy to exchange. The boxes can be arranged to be retractable. Then, during loading of the boxes, the boxes can be retracted to a loading position. The loading position can be safe for the persons loading the boxes so that they are not hit by, e.g., the bolter.
The bolt holder may be arranged to retrieve bolts from the bolt supply.
The control unit may be arranged to instruct the bolt holder to retrieve bolts from the bolt supply. The bolt holder may be arranged to retrieve bolts from the bolt supply in an order specified by the control unit. The bolt holder may be arranged to retrieve bolts from the bolt supply at a point in time specified by the control unit. The bolt holder may be arranged to retrieve bolts of a certain dimension from the bolt supply, as specified by the control unit.
The arrangement may further comprise the drill rig.
The bolting device may further comprise a first jib and the drill rig may further comprise a second jib.
The first jib may be arranged on a first turntable and the second jib may be arranged on a second turntable.
The arrangement may further comprise a frame, the first and second jib being may be arranged on the frame and may be arranged to move along the frame. The first and second turntable may be arranged on the frame and may be arranged to move along the frame. The frame may be arranged on a vehicle or a trailer. 10 15 20 25 30 The advantages of the first aspect are equally applicable to the second, third, and the fourth aspect. Furthermore, it is to be noted that the aspects can be embodied in accordance with each other.
Other objectives, features and advantages of the present invention will appear from the following detailed disclosure, from the attached claims as well as from the drawings.
Generally, all terms used in the claims are to be interpreted according to their ordinary meaning in the technical field, unless explicitly defined otherwise herein. All references to "a/an/the [element, device, component, means, step, etc]" are to be interpreted openly as referring to at least one instance of said element, device, component, means, step, etc., unless explicitly stated otherwise. The steps of any method disclosed herein do not have to be performed in the exact order disclosed, unless explicitly stated.
Brief Description of the Drawinqs Other features and advantages of the present invention will become apparent from the following detailed description of a presently preferred embodiment, with reference to the accompanying drawings, in which Fig. 1 is a perspective view of an embodiment of the inventive arrangement.
Fig. 2 is a perspective view of the inventive bolting device of Fig. 1.
Fig. 3 is a perspective view of the inventive grout injector and inventive the bolt holder of Figs. 1 and 2.
Fig. 4 is perspective view of the inventive arrangement of Fig. 1 from another direction.
Fig. 5 is a front view of a part of the inventive bolting device of Figs. 1- 2, and 3.
Detailed description of preferred embodiments of the invention The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which certain embodiments of the invention are shown. This invention may, however, be embodied in many 10 15 20 25 30 different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided by way of example so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Like numbers refer to like elements throughout.
When building a tunnel through a rock, a cavity is formed in the mountain usually by means of blasting. Bolts are mounted in the walls of the tunnel, e.g. in order to provide reinforcement. The bolts can be used as crash protection or as protection against landslide. ln one embodiment, the bolts each have an inside washer for holding a water tight membrane. Strips of a water tight membrane can be attached to the inside washers and secured in place by outside washers. The water tight membrane protects the inside of the tunnel from, e.g., water and ice.
During planning of the shape of the tunnel, a three-dimensional (3D) model of the tunnel is created. The 3D model can, e.g., be generated using computer-aided design (CAD). Bolt mounting reference data can be included in the 3D model. Alternatively, bolt mounting reference data can be a separate computer file. The bolt mounting reference data can be generated from the 3D model.
A couple of examples on what types of information can be included in the bolt mounting reference data follow. Bolt mount reference data can, e.g., comprise at least one ofdimension information, angle information, position information, depth information, grout amount information, and grout injection depth information. When creating the 3D model, it is, e.g., computed what dimension which bolt is to have. Dimension information can, e.g., include at least one of thickness and length of bolts. Angle information can include at what angle the bolt is to be set and/or the bore hole is to be bored. The angles can be defined in relation to a center of the tunnel. Depth information can comprise how deep bore holes have to be bored. Grout amount information can specify how much grout is to be injected in each bore hole.
Grout injection depth information can comprise information about what depth that is not to be exceeded when inserting the grout injectors into the bore holes. Position information can comprise information about in what positions 10 15 20 25 30 the bore hole is to be bored. The position information can include coordinates of positions of bore holes to be bored and/or configurations of the drill rig. Bolt mounting reference data can also be referred to as tunnel design information.
Positions of some bolts, e.g. positions of the bolts for holding the water tight membrane, may have to be adjusted in order to make room for reinforcement bolts. Parts of the tunnel wall that are exposed to a lot of strain, such as, e.g., the lower parts that might more frequently be run into by vehicles, may advantageously have more reinforcement bolts than other parts of the tunnel wall. ln one embodiment of the invention, after having blasted the tunnel, the tunnel is scanned using, e.g., laser in order to obtain the actual shape of the tunnel. The actual shape of the tunnel can then be compared with the planned/theoretical shape. The bolt mounting reference data is updated based on a result of the scan of the tunnel. lf, e.g., a part of the tunnel has been blasted deeper into the rock than planned, the bolts to be mounted in that part can be mounted such that the part of the bolt protruding from the tunnel wall is longer than first planned. The bolt mounting reference data is therefore updated accordingly. As an example, it is specified in the bolt mounting reference data that longer bolts are to be used in this part or that the bore holes are to be made shallower. lnstead if, e.g., a part of the tunnel has been blasted not so deep as planned, the bolt mounting reference data may be updated to include shorter bolts in this part or the bore holes might be drilled deeper into the tunnel wall.
The bolts are usually mounted with a centre distance of about 1,2 m.
Typically, bolts have diameters of 16 mm. lt is however to be noted that this is only mentioned by way of example, other center distances and diameters are also possible.
The bolts can, e.g., be mounted beginning at a part of the tunnel wall that is close to the ground of the tunnel and further extending along the inner roof of the tunnel to the other side of the tunnel being close to the ground of the tunnel. ln one embodiment, the bolts are set in semicircles extending over the inner roof of the tunnel. Each semicircle can be referred to as a section.
One section can, e.g., comprise 23 bolts. ln one example, the bolts are set in 10 15 20 25 30 pairs which implies that one section can comprise 46 bolts. lt is to be noted that any order of setting the bolts is possible.
When boring the bore holes, even if the drill rig boring the bore holes attempts to bore in accordance with the bolt mounting reference data, the bore holes might not end up exactly as planned. The actual positions of the bore holes might not be equal to the positions specified in the bolt mounting reference data. ln that case, even if the bolting device which is to mount the bolts in the bore holes has information about the planned bore hole positions, it is difficult for the bolting device to correctly locate the bore holes since the actual positions of the bore holes are not the same as the planned bore hole positions. The present invention attempts to mitigate these difficulties.
A description of an embodiment of the inventive method is hereby presented.
The bolt mounting reference data is generated. The bolt mounting reference data may, e.g., be comprised in a computer file. The bolt mounting reference data can, e.g., be generated using CAD (computer aided design).
The bolt mounting reference data generated using CAD can, e.g., be three dimensional. The blasted tunnel is scanned to obtain an actual shape of the tunnel. The bolt mounting reference data is adapted to the tunnel shape information. The bolt mounting reference data might, e.g., be adapted in that positions of a plurality of bolts or in that bore hole depths are amended.
The control unit is provided with the bolt mounting reference data. The control unit then instructs a drill rig to bore the bore holes in accordance with the bolt mounting reference data. The control unit also instructs a bolting device to mount bolts in the bore holes in accordance with the bolt mounting reference data.
The trailer on which the drill rig and the bolting device are arranged is transported to a first predetermined location. Information about this location may also be included in the bolt mounting reference data. The position of the trailer is calibrated using a plurality of prisms and if necessary, the position of the trailer is adjusted. The supports of the trailer are lowered resulting in the trailer not being able to move. 10 15 20 25 30 10 The drill rig bores pairs of holes in the rock in a semicircle covering at least the walls and inner roof of the tunnel. The inner roof may also be referred to as the tunnel wall. The drill rig is associated with a second jib and the second jib is arranged on a frame. The position of the second jib on the frame, during boring of these pairs of holes is here denoted with current position. The drill rig bores the holes in accordance with the position information. Actual data representing the actual positions of bore holes having been bored in the tunnel wall by the drill rig is stored. This actual data can, e.g., be configurations such as lengths of cylinders arranged to actuate parts of the drill rig, or angles between parts of the drill rig. The actual data can be stored on some sort of storage device known to the skilled person. The drill rig and its jib are then moved along the frame from the current position to a next position. Information about the positions of the jib on the frame may be included in the bolt mounting reference data and may also be stored as actual data representing the actual positions of the bore holes. After that, the drill rig bores a new semicircle of pairs of bore holes.
The control unit instructs the bolting device such that the jib associated with the bolting device, a first jib, is moved along the frame to what was the current position of the second jib, in accordance with the stored actual data.
The firstjib and its cylinders are configured in accordance with the stored actual data representing the actual positions of the bore holes resulting in that the bolting device is able to locate the bore holes having been bored by drilling steels of the drill rig. Grout injectors of the bolting device inject grout in the bore holes. The amount of grout injected in the bore holes is in accordance with the grout amount information. The grout injectors are inserted in the bore holes and start injecting grout in the bottom of the bore holes. During injection of grout, the grout injectors are retracted from the bore holes. This is advantageous in that the amount of air between the bottom of the bore hole and the injected grout is minimized. The grout injectors are not inserted to a depth deeper in the bore holes than the depths specified by the grout injection depth information. Thus, the risk of damaging the grout injectors by crashing them into the bottom of the bore holes is reduced. 10 15 20 25 30 11 The bolting device can comprise bolt applicators which pick bolts from bolt holders. Which bolts are picked is decided by the dimension information. lf there is no bolt in the bolt holder of the dimension that is desired, the bolt holder retrieves at least one bolt from a bolt supply. The control unit and/or the bolting device store information about the position that the bolting device was in before retrieving the at least one bolt. Thereby, the bolting device can continue mounting bolts without missing any bore holes. When retrieving new bolts from the bolt supply the firstjib is rotated and bent such that the bolt holder can be pressed towards the bolts in boxes of the bolt supply such that new bolts are pressed into the bolt holder. ln one embodiment, the control unit provides information about when the bolt holders need to retrieve new bolts from the bolt supply. The control unit also provides, in one embodiment, information about what dimension the bolts in the boxes of the bolt supply have.
The boring of bore holes and mounting of bolts continues until thejibs have been moved to the end of the frame. ln one embodiment, this implies that the drill rig has bored three pairs of semicircles with bore holes and the bolting device has mounted three pairs of semicircles of bolts. After that the vehicle is moved a distance and the new pairs of semicircles of bore holes are bored and bolts are mounted in the bore holes.
The boring of the bore holes and the setting of bolts in the bore holes can be performed simultaneously. ln one embodiment, the bolting device mounts bolts in a first section of bore holes at the same time as the drill rig bores bore holes of a second section. The second section being arranged next to the first section. The first section comprising bore holes having been bored by the drill rig.
Fig. 1 is a perspective view of an embodiment of the inventive arrangement. The arrangement 100 comprises a bolting device 200 and a drill rig 300. The bolting device 200 comprises a first jib 500 and the drill rig 300 comprises a second jib 600. ln one embodiment, the bolting device is arranged on the first jib 500 and the drill rig is arranged on the second jib 600. lt is also possible to arrange the bolting device 200 and the drill rig 300 on one jib. 10 15 20 25 30 12 The first and second jibs 500, 600 are arranged on a first and second turntable 710 720, respectively. The first and second turntable 710 and 720 are arranged to rotate. ln one embodiment, the first and second turntable 710 and 720 are arranged to rotate 360°. A motor (not shown) is arranged to actuate the rotation of the first and second turntable 710 and 720.
The first and second turntable 710 and 720 are arranged on a frame 730. The frame 730 is arranged on a trailer 700. The first and second turntable 710, 720 are arranged to move along the frame 730 in a direction along a movement direction of the trailer 700. A motor (not shown) is arranged to actuate the movement of the first and second turntable 710, 720 along the frame 730. ln one embodiment, the jibs 500, 600 are arranged on separate trailers.
Thejibs 500, 600 each have a top part, 510, 610. The top parts 510, 610 are arranged to be lowered and raised. Cylinders are arranged to actuate the movement of the top parts 510, 610. The cylinder controlling the movement of the top part 510 is denoted with 520 and the cylinder controlling the movement of the top part 610 is denoted with 620. Cylinder 530 is arranged to actuate jib 500 such that the jib 500 is raised and/or lowered.
Cylinder 630 is arranged to actuate jib 600 such that the jib 600 is raised and/or lowered.
The bolting device comprises at least one bolter. ln the embodiment in Fig. 1, the bolting device 200 comprises two bolters 210, 220.
A cylinder 540 is arranged to actuate a lowering and/or raising motion of the bolters 210 and 220. A cylinder 640 is arranged to actuate a lowering and/or raising motion of the drill 310. At least one motor (not shown) can be arranged to control the cylinders mentioned herein.
The top part 510 can comprise a cylinder (not shown) which is arranged to cause a motion in a direction of the top part 510 thereby moving the bolters 210 and 220 in the direction of the top part 510.
The drill rig 300 has in this embodiment two drilling steels 310, 320.
Having two drilling steels has the advantage that two holes can be bored simultaneously. lt is to be noted that any number of drilling steels is comprised in the embodiments of the inventive arrangement. 10 15 20 25 30 13 ln one embodiment, the drilling steels 310 and 320 have the same dimension. ln one embodiment, drill rig 300 is configured such that the drilling steels 310 and 320 bore holes of equivalent depths.
The top part 610 can comprise a cylinder (not shown) which is arranged to cause a motion in a direction of the top part 610 thereby moving the drilling steels 310 and 320 in the direction of the top part 610.
The arrangement comprises a control unit. As an alternative, the control unit can be a part of the drill rig. The control unit can be arranged in an operator's cabin of a vehicle or trailer. ln Fig. 1, the control unit 800 is arranged in the operator's cabin 750 of the trailer 700.
The control unit 800 is arranged to store actual data representing the actual positions of bore holes having been bored in the tunnel wall by the drill rig 300. The cylinders can have linear gauges (not shown). The linear gauges can be arranged to acquire information about the positions of the cylinders. ln one embodiment, the linear gauges are arranged to acquire information about lengths of the cylinders during boring of the bore holes. ln another embodiment, the linear gauges are arranged in joints and measure angles of thejoints. The joints can, e.g., bejoints between top part and jib, jib and turntable, and top part and bolter/drilling steels.
The stored actual data can comprise configurations of actuators arranged to actuate parts of the drill rig. The actuators can, e.g., be the cylinders. The actuators can, e.g., also be the motor arranged to actuate the movement of the first and second turntable 710, 720 along the frame 730 or any other motor described herein. The configurations can comprise the positions of the first and second turntable 710, 720 on the frame 730. ln one embodiment, the stored actual data can comprise angles of joints connecting parts of the drill rig.
Configurations of the joints and cylinders of the drill rig 300 can be stored by the control unit 800. ln one embodiment, positions of the cylinders are stored by the control unit during boring of the bore holes. ln one embodiment, lengths of the cylinders are stored by the control unit during boring of the bore holes. The control unit 800 can be arranged to transform the configurations of the cylinders of the drill rig 300 into configurations of the 10 15 20 25 30 14 cylinders of the bolting device 200. The configurations of the cylinders of the bolting device can, e.g., comprise information about specific settings of some or all of the cylinders. The control unit 800 can be also arranged to transform the configurations of the joints of the drill rig 300 into configurations of the joints of the bolting device 200. The configurations of the joints of the bolting device can, e.g., comprise information about specific settings of some or all of the joints.
The control unit can also be arranged to store the positions of the first and second turntable 710, 720 on the frame 730. ln one embodiment, after the drill rig 300 has bored holes in a section, the drill rig 300 is moved along the frame 730 in order reach a next position. ln the next position, the drill rig 300 bores the next section of holes. ln one embodiment, after the bolting device 200 has mounted bolts in a section, the bolting device 200 is moved along the frame 730 in order reach a next position. ln the next position, the bolting device 200 mounts bolts in the next section of holes.
The control unit can instruct the drill rig where to bore the bore holes.
This is specified in the position information. ln one embodiment, the control unit provides the drill rig with coordinates of positions of bore holes to be bored. ln another embodiment, the control unit provides the drill rig with configurations of the cylinders or configurations of the joints.
The control unit can provide bolt mounting reference data. The bolt mounting reference data can be sent to the control unit through wire or wireless communication or by any other means known to the skilled person.
Fig. 2 is a perspective view of the bolting device of Fig. 1. The bolters 210, 220 each comprise a bolt holder 230 and 240 and a bolt applicator 250, 260.
The bolter 210 comprises an arm 215. The arm 215 can be arranged to pick bolts from the bolt holder 230 and to provide picked bolts to bolt applicator 250. Another arm (not shown) can be arranged to pick bolts from the bolt holder 240 and to provide picked bolts to bolt applicator 260. The bolt applicators 250, 260 insert the bolts in bore holes having been bored by the drill rig 300. As can be seen from, e.g., Fig. 2, the bolt holders 230, 240 are 10 15 20 25 30 15 embodied as revolvers and comprise bolts of different dimension. The bolts can, e.g., have different length and/or thickness. The revolvers of the bolt holders 230, 240 can rotate such that suitable bolts are available for the bolt applicators 250, 260. ln one embodiment, the bolt holders can each have a plurality of revolvers, each revolver comprising bolts of one size.
The bolting device or the arrangement can further comprise a bolt supply. ln this embodiment, illustrated in Fig. 1, the bolt supply is two boxes 400 and 410. Each box comprises bolts of one size. The bolting device 200 can retrieve bolts from the boxes 400, 410. ln one embodiment, the bolting device retrieves bolts from the bolt supply when there are no bolts in the bolt holders. ln another embodiment, the bolting device retrieves bolts from the bolt supply when there are no bolts of a certain dimension in the bolt holders.
The jib 500 is rotated by rotating the turntable 710. At least one of the cylinders 510, 520, and 540 are actuated such that thejib is positioned so that at least one of the bolt holders 230 and 240 can be moved towards at least one of the boxes 400, 410. The bolt holder to be refilled with bolts is pressed onto the bolts in one of the boxes 400, 410 such that bolts are attached to the bolt holder, in this case a revolver. The boxes 400, 410 can be loaded with bolts by a machine or a person. During loading of the boxes 400, 410, the boxes can be retracted to a safe position so that the person and/or machmeloadmgtheboxesdoesnotnnianskofbemgl?tbytheboümg device 200. The bolt holders 230 and 240 may hold bolts of a certain dimension at a certain position. The control unit provides information about what dimension a certain bolt in at certain position in bolt holders 230 and 240 is to have. During refilling of the bolt holders 230 and 240, the position dimension information provided by the control unit is used for knowing which bolt is to be arranged where. ln another embodiment, the bolt supply may be at least one revolver comprising bolts of different size or comprising bolts of one size. The entire revolver of the bolt holder is then exchanged with a new revolver from the bolt supply. 10 15 20 25 30 16 The bolter can further comprise at least one grout injector. The bolters 210, 220 comprise grout injectors 270, 280 (see Fig. 2). The grout injectors 270, 280 are arranged to inject grout in the bore holes. The amount of grout to be injected in which bore hole can be specified in the grout amount information. The grout injectors can comprise a nozzie and a lever. Fig. 3 is a perspective view of the grout injector 270 and the bolt holder 230. The grout injector comprises a nozzie 272 and a lever 274. The lever 274 can be arranged to rotate around a rotating joint 276. The lever 274 can be arranged to on a rail 278 and can be arranged to move on the rail 278 in a direction of the nozzie 272.
Fig. 4 is perspective view of the inventive arrangement from another direction. Cylinders 279 and 289 are arranged to move the bolter 210 in a horizontal direction. Cylinders 259 and 269 are arranged to move the bolter 220 in a horizontal direction. This is advantageous in that the bolter 200 can adapt distances between the bolters. The distances can, e.g., be adapted in relation to distances between bore holes having been bored the drill rig.
The bolt applicators are arranged to move along rails such the bolts can be inserted in bore holes.
When the trailer 700 is to be moved to a next position, the supports 760 are lifted and the trailer 700 is moved, e.g. by another vehicle pulling the trailer 700. When the next position is reached, the position of the trailer 700 is calibrated using a plurality of prisms. lf necessary, the position of the trailer 700 is adjusted. The trailer is, e.g., moved to a next position when the drill rig 300 cannot be moved any further along the rail due 730 to an obstacle. The obstacle can, e.g., be the operator's cabin 750.
Fig. 5 is a front view ofa part of the inventive bolting device of Figs. 1- 2, and 3.
The present invention is based on a desire to automate the process of mounting bolts. Humans are not necessary, neitherfor boring the holes, nor for mounting the bolts. Even the movement of the trailer can be automated.
Furthermore, bolts of different dimensions can be used. The mounting of the bolts can be made in a very clever fashion in that the mounting of the bolts can be adapted to the result of the blasting of the tunnel. The present 10 15 20 17 invention provides for the entire process, from generation of the bolt mounting reference data to the result of a bolted tunnel.
The cylinders and motors described herein can, e.g., be electric, pneumatic, and/or hydraulic. lt is to be noted that all embodiments and features described in this application are applicable on all aspects of the invention.
While the invention has been illustrated and described in detail in the drawings and foregoing description, such illustration and description are to be considered illustrative or exemplary and not restrictive; the invention is not limited to the disclosed embodiments.
Other variations to the disclosed embodiments can be understood and effected by those skilled in the art in practicing the claimed invention, from a study of the drawings, the disclosure, and the appended claims. ln the claims, the word "comprising" does not exclude other elements or steps, and the indefinite article "a" or "an" does not exclude a plurality. A single processor or other unit may fulfill the functions of several items recited in the claims. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage. Any reference signs in the claims should not be construed as limiting the scope.
Claims (27)
1. A method for mounting bolts in a tunnel wall, comprising: storing actual data representing the actual positions of bore holes having been bored in the tunnel wall by a drill rig (300), and a control unit (800) instructing a bolting device (200) to mount bolts in the bore holes based on the stored actual data.
2. The method according to claim 1, the step of storing actual data further comprising: the control unit storing configurations of the drill rig when the drill rig is boring the bore holes in the tunnel wall, and the control unit transforming the configurations of the drill rig into configurations for the bolting device.
3. The method according to claim 2, the configurations of the drill rig and the bolting device comprising configurations of actuators arranged to actuate parts of the drill rig and the bolting device.
4. The method according to claim 3, the step of instructing comprising the control unit instructing the bolting device to configure its actuators in accordance with the configurations of the bolting device.
5. Method according to anyone of the preceding claims, further comprising: the control unit providing bolt mounting reference data comprising at least one ofdimension information, angle information, position information, depth information, grout amount information, and grout injection depth information.
6. Method according to claim to claim 5, the bolting device comprising a bolter (210, 220), the bolter comprising a bolt holder (230, 240) comprising bolts of different dimensions, an arm (215), and a bolt applicator (250, 260), the method further comprising: 10 15 20 25 30 19 the control unit instructing the bolter to influence the arm to pick bolts having dimensions in accordance with the dimension information from the bolt holder and to provide the bolts to the bolt applicator.
7. Method according to any one of claims 5-6, the bolter comprising a grout injector, the method further comprising: the control unit instructing the grout injector (270, 280) to inject amounts of grout in the bore holes in accordance with the grout amount information.
8. Method according to any one of the claims 5-7, further comprising: the control unit instructing the drill rig to bore the bore holes based on at least one of the position information, the depth information, and the angle information.
9. Method according to any one of claims 7-8, further comprising the control unit instructing the bolting device to insert the grout injector to a depth in the bore holes not exceeding a depth specified by the grout injection depth information.
10. A method for mounting bolts in a material, comprising generating bolt mounting reference data, and performing the steps of any one of claims 1-9.
11. Method according to claim 10, further comprising adapting the bolt mounting reference data with tunnel shape information.
12. Computer program product comprising a computer-readable medium with instructions for performing the method of any of the preceding claims.
13. An arrangement (100) for mounting bolts in a tunnel wall comprising a bolting device and a control unit, 10 15 20 25 30 20 the control unit being arranged to store actual data representing the actual positions of bore holes having been bored in the tunnel wall by a drill rig, and the control unit being arranged to instruct the bolting device to mount bolts in the bore holes based on the stored actual data.
14. The arrangement according to claim 13, further comprising, the control unit being arranged to store configurations of the drill rig when the drill rig is boring the bore holes in the tunnel wall, and the control unit being arranged to transform the configurations of the drill rig into configurations for the bolting device.
15. The arrangement according to claim 14, the configurations of the drill rig and for the bolting device comprising configurations of actuators arranged to actuate parts of the drill rig and the bolting device.
16. The arrangement according to claim 15, the control unit being arranged to instruct the bolting device to configure its actuators in accordance with the configurations of the bolting device.
17. The arrangement according to anyone of the preceding claims, further comprising: the control unit being arranged to provide bolt mounting reference data comprising at least one ofdimension information, angle information, position information, depth information, grout amount information, and grout injection depth information.
18. The arrangement according to claim 17, further comprising a bolter, the bolter comprising a bolt holder comprising bolts ofdifferent dimension, an arm and a bolt applicator, and the control unit being arranged to instruct the bolt applicator to pick bolts from the bolt holder having dimensions in accordance with the dimension information. 10 15 20 25 30 21
19. The arrangement according to any one of claims 17-18, the bolter comprising a grout injector, and the control unit being arranged to instruct the grout injector to inject amounts of grout in the bore holes in accordance with the grout amount information.
20. The arrangement according to claim 19, further comprising: the control unit being arranged to instruct the bolting device to insert the grout injector to a depth in the bore holes not exceeding a depth specified by the depth information.
21. The arrangement according to any one of claims 17-20, further comprising the control unit being arranged to instruct the drill rig to bore the bore holes based on at least one of the position information, the depth information, and the angle information.
22. The arrangement according to any one of claims 13-21, further comprising a bolt supply, the bolt supply being a plurality of boxes (400, 410), each box comprising bolts of one size, and/or the bolt supply being a revolver comprising bolts of different size.
23. The arrangement according to claim 22, the bolt holder being arranged to retrieve bolts from the bolt supply.
24. The arrangement according to any one of claims 13-23, further comprising the drill rig.
25. The arrangement according to claim 24, the bolting device further comprising a first jib (500) and the drill rig further comprising a second jib (600). 22
26. The arrangement according to claim 25, further comprising a frame (730), the first and second jib being arranged on the frame and being arranged to move along the frame.
27. The arrangement according to claim 26, further comprising the frame being arranged on a vehicle or a trailer (700).
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1450836A SE539411C2 (sv) | 2014-07-03 | 2014-07-03 | Method and arrangement for mounting bolts in a tunnel wall |
EP15733724.7A EP3164574B8 (en) | 2014-07-03 | 2015-07-01 | Method and arrangement for mounting bolts in a tunnel wall |
PCT/EP2015/065001 WO2016001315A1 (en) | 2014-07-03 | 2015-07-01 | Method and arrangement for mounting bolts in a tunnel wall |
CA2953894A CA2953894C (en) | 2014-07-03 | 2015-07-01 | Method and arrangement for mounting bolts in a tunnel wall |
AU2015282914A AU2015282914B2 (en) | 2014-07-03 | 2015-07-01 | Method and arrangement for mounting bolts in a tunnel wall |
MX2017000130A MX2017000130A (es) | 2014-07-03 | 2015-07-01 | Metodo y disposicion para montar pernos en una pared de tunel. |
US15/323,679 US9957797B2 (en) | 2014-07-03 | 2015-07-01 | Method and arrangment for mounting bolts in a tunnel wall |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1450836A SE539411C2 (sv) | 2014-07-03 | 2014-07-03 | Method and arrangement for mounting bolts in a tunnel wall |
Publications (2)
Publication Number | Publication Date |
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SE1450836A1 true SE1450836A1 (sv) | 2016-01-04 |
SE539411C2 SE539411C2 (sv) | 2017-09-19 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE1450836A SE539411C2 (sv) | 2014-07-03 | 2014-07-03 | Method and arrangement for mounting bolts in a tunnel wall |
Country Status (7)
Country | Link |
---|---|
US (1) | US9957797B2 (sv) |
EP (1) | EP3164574B8 (sv) |
AU (1) | AU2015282914B2 (sv) |
CA (1) | CA2953894C (sv) |
MX (1) | MX2017000130A (sv) |
SE (1) | SE539411C2 (sv) |
WO (1) | WO2016001315A1 (sv) |
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CN113685136A (zh) * | 2021-08-27 | 2021-11-23 | 中国煤炭科工集团太原研究院有限公司 | 基于锚杆钻车的锚箱钻箱切换方法 |
US11448070B2 (en) | 2018-05-28 | 2022-09-20 | Epiroc Rock Drills Aktiebolag | Rock bolting rig and method at rock bolting rig |
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AU2018326373A1 (en) * | 2017-08-28 | 2020-03-05 | J.H. Fletcher & Co. | Autonomous roof bolter and related methods |
CN108487861A (zh) * | 2018-04-26 | 2018-09-04 | 中国水利水电第四工程局有限公司 | 一种多臂钻机控制倾斜锚杆钻孔施工系统及施工方法 |
CN108979688B (zh) * | 2018-07-06 | 2020-05-08 | 中国铁建重工集团股份有限公司 | 一种全自动锚杆台车 |
CN111830850A (zh) * | 2019-04-17 | 2020-10-27 | 中铁第五勘察设计院集团有限公司 | 一种压浆控制方法及装置 |
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- 2014-07-03 SE SE1450836A patent/SE539411C2/sv not_active IP Right Cessation
-
2015
- 2015-07-01 AU AU2015282914A patent/AU2015282914B2/en not_active Ceased
- 2015-07-01 US US15/323,679 patent/US9957797B2/en not_active Expired - Fee Related
- 2015-07-01 MX MX2017000130A patent/MX2017000130A/es unknown
- 2015-07-01 WO PCT/EP2015/065001 patent/WO2016001315A1/en active Application Filing
- 2015-07-01 CA CA2953894A patent/CA2953894C/en not_active Expired - Fee Related
- 2015-07-01 EP EP15733724.7A patent/EP3164574B8/en not_active Not-in-force
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11448070B2 (en) | 2018-05-28 | 2022-09-20 | Epiroc Rock Drills Aktiebolag | Rock bolting rig and method at rock bolting rig |
CN113685136A (zh) * | 2021-08-27 | 2021-11-23 | 中国煤炭科工集团太原研究院有限公司 | 基于锚杆钻车的锚箱钻箱切换方法 |
CN113685136B (zh) * | 2021-08-27 | 2024-01-30 | 中国煤炭科工集团太原研究院有限公司 | 基于锚杆钻车的锚箱钻箱切换方法 |
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CA2953894C (en) | 2017-12-05 |
AU2015282914A1 (en) | 2017-01-19 |
EP3164574B8 (en) | 2018-11-21 |
WO2016001315A1 (en) | 2016-01-07 |
US9957797B2 (en) | 2018-05-01 |
CA2953894A1 (en) | 2016-01-07 |
US20170159434A1 (en) | 2017-06-08 |
EP3164574A1 (en) | 2017-05-10 |
AU2015282914B2 (en) | 2017-02-23 |
SE539411C2 (sv) | 2017-09-19 |
MX2017000130A (es) | 2017-06-21 |
EP3164574B1 (en) | 2018-08-01 |
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