CN102066691B - Drill bit magazine, drill bit holder, and method for changing drill bit in rock drilling unit - Google Patents
Drill bit magazine, drill bit holder, and method for changing drill bit in rock drilling unit Download PDFInfo
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- CN102066691B CN102066691B CN200980124049.5A CN200980124049A CN102066691B CN 102066691 B CN102066691 B CN 102066691B CN 200980124049 A CN200980124049 A CN 200980124049A CN 102066691 B CN102066691 B CN 102066691B
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- drill bit
- retainer
- storehouse
- support member
- bit
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- 238000005553 drilling Methods 0.000 title claims abstract description 36
- 239000011435 rock Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000000717 retained effect Effects 0.000 claims description 22
- 238000003860 storage Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
Images
Classifications
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- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
- E21B19/146—Carousel systems, i.e. rotating rack systems
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- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/18—Connecting or disconnecting drill bit and drilling pipe
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- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/20—Combined feeding from rack and connecting, e.g. automatically
-
- 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
Abstract
The invention relates to a drill bit magazine, a drill bit holder, and a method for changing a drill bit in a rock drilling unit. The magazine (16) has several spaces (30), each arranged to receive one drill bit holder (22). The drill bit (12) is supported into the magazine by means of the drill bit holder. In addition, transfers between the magazine and retainer (14) take place by acting on the drill bit holder only. The drill bit holder is a projecting piece that is supported against at least one inside surface (41 ) of the drill bit.
Description
Technical field
The present invention relates to a kind of drill bit storehouse, for the replaceable drill bit of rock borer instrument, can be stored in this drill bit storehouse.Drill bit can be fastened to the drilling rod that belongs to this instrument by bit changer.This drill bit storehouse has for storing a plurality of spaces and the movable framework part of drill bit, and in order to take out drill bit and a drill bit is brought in drill bit storehouse from drill bit storehouse, and each space of supporting drill bit can arrange that one in the change bit in drill bit storehouse at every turn.
The invention still further relates to a kind of drill bit retainer and a kind of for handling the method for drill bit.
Background technology
Theme of the present invention is explained in more detail at the preamble of independent claims.
In Rock penetrating, by rock borer with together with its connected instrument, use, this instrument can be around the rotation of its longitudinal axis, and by this instrument, shock pulse can be delivered to the rock creeping into, and makes this rock rupture and forms boring.This instrument can comprise one or more drilling rods and be connected to the replaceable drill bit of described drilling rod outermost end.Conventionally, the head end equipment of drill bit has a plurality of drill bit ball teeth, and described drill bit ball tooth penetrates the rock creeping into.Because during creeping into, very high load is directed to this drill bit, so drill bit experience is worn and torn and also can damage once in a while.Thereby, must be every now and then bit change more, to guarantee quality and the efficiency of creeping into.By operator manually more bit change be difficulty and slowly, and bad, or dangerous.Thereby bit changer is developed, to make to change mechanization.Yet the existing mode that stores and handle drill bit not exclusively meets user's demand.For example, the U.S. announces 4 065 845 and discloses a kind of bit changer, and drill bit is disposed in this bit changer against the space in drill bit storehouse, and this bit changer has been set restriction to the shape and size of drill bit.
Summary of the invention
The object of this invention is to provide a kind of novelty and improved drill bit storehouse and for storing and handle the drill bit retainer of drill bit.Another object is to provide a kind of for more novelty and the improved method of bit change.
Drill bit of the present invention storehouse is characterised in that, each space in drill bit storehouse is arranged as receives separably and is connected an independent drill bit holder, the drill bit of each storage is arranged to by drill bit retainer and supports in drill bit storehouse, and this drill bit retainer rests at least one inner surface of drill bit.
Drill bit retainer of the present invention is characterised in that, drill bit retainer is prodger independently, and it can rest at least one inner surface of drill bit, and this drill bit retainer comprises for handling the retained part with fastening drill bit retainer.
The feature of method of the present invention is, in each drill bit, arrange outstanding drill bit retainer, this drill bit retainer is the separate piece that is independent of drill bit storehouse, transmitting and by only affecting drill bit retainer, handling the drill bit that each is replaced between the storage life, and drilling rod and drill bit connected with each other before, drill bit retainer is taken out from drill bit.
Thought of the present invention is, during the storage of drill bit and transmitting, outstanding drill bit retainer is arranged in drill bit, to rest at least one inner surface of drill bit.Then during the transmission between the storage in drill bit storehouse and drill bit storehouse and fixator, needn't affect the external surface of drill bit.This drill bit retainer is a kind of at the adapter between drill bit and drill bit storehouse and between drill bit and transfer device.Yet drill bit retainer does not participate in drill bit to be fastened to instrument, but can serve as separable and independently transmit and storable adaptor.
The invention provides following advantage: by this drill bit retainer, can have no problem and store and handle the drill bit of difformity and appearance and size.Then identical drill bit storehouse and transfer device can be used for handling different drill bits.This has increased bit changer for the function adaptability that uses different drill bits.Because can manufacture, can be widely used in general storehouse and the transfer device creeping in the rock drill that situation designs for various, so this has realized again cost savings.Another advantage is, more easily utilizes fixator that drill bit is arranged into desired location, and this is because the periphery of drill bit does not have the clamping device of transfer device etc.
The thought of embodiment is, the frame part in drill bit storehouse is discoid pieces, and this discoid pieces is provided with a plurality of fastener holes, and each of described fastener hole is arranged to receives a drill bit retainer.Each fastener hole is open towards the periphery of plate-like frame part.This drill bit retainer comprises the fastening part with fastening groove, makes drill bit retainer to be supported to fastener hole and can in change bit, be moved along the direction of the radius of plate-like frame part by described groove.In addition, when drill bit retainer is not during in change bit place, prevent that drill bit retainer from moving away from fastening space along the direction of the radius of frame part.The plate-like frame part in drill bit storehouse can rotate with respect to turning cylinder, for drill bit retainer is moved with respect to change bit.
The thought of embodiment is, the drill bit being stored in drill bit storehouse supports to the framework in drill bit storehouse individually by drill bit retainer.
The thought of embodiment is, drill bit retainer has retained part, utilizes this retained part, and independent drill bit retainer is fastened to drill bit storehouse separably.In addition, by utilizing transfer device to clamp this retained part, drill bit retainer can and creep between center and transmit in drill bit storehouse.
The thought of embodiment is, the free end of the retained part of drill bit retainer in retainer.
The thought of embodiment is, drill bit retainer comprises extension arm, and this extension arm has cylindrical retained part in the part of its first end.This retained part has longitudinal hole, and the passing pin that belongs to the transfer device of bit changer can be pulled to this longitudinal hole, for being attached to bit changer.In addition, the external surface of retained part has circumferential fastening groove, and by this circumferential fastening groove, drill bit retainer can be secured to drill bit storehouse.
The thought of embodiment is, drill bit retainer comprises extension arm and at least two support members, and described support member is arranged as and will himself rests on the inner side connecting thread of drill bit.The first support member is arranged as and can moves with respect to this arm, and the second support member is fixedly placed in the outermost end of arm with respect to this arm.Then by arm is moved with respect to the first support member, support member can be placed in apart from certain axial distance each other and correspondingly abut against each other.
The thought of embodiment is, drill bit retainer comprises at least one adjustment means, and this adjustment means is for setting the maximum axial distance between the first support member and the second support member, with the drill bit corresponding to being handled.By regulating, the drill bit of different length can be placed in drill bit storehouse, makes the front end of drill bit basic with high each other.Then the front end of drill bit can be in the axial direction against suitable gripper shoe etc. and be supported in this drill bit storehouse, even thus drilling apparatus and drill bit storehouse guided downward, drill bit will can not separate with drill bit retainer yet.In addition, when the front end of drill bit is adjusted to each other substantially when high and when drill bit storehouse is during in fixator place, the transmission of drill bit between fixator and drill bit storehouse can be carried out with simply crossing Linear-moving.
The thought of embodiment is, the first support member of drill bit retainer comprises the cylindrical portion that can be arranged in drill bit and the shoulder that can arrange against the rear surface of drill bit.
The thought of embodiment is, the top layout of drill bit retainer will be for itself resting on the bottom in the hole in drill bit and supporting in the axial direction this drill bit.Thereby a support member of drill bit retainer can be arranged as handles this axial support, and another support member can be arranged as this drill bit of support so that it is parallel with drill bit retainer.
The thought of embodiment is, the first and second support members of drill bit retainer are separable, and they are replaceable thus, with corresponding to each drill bit of being handled.
The thought of embodiment is, utilizes this bit changer to store simultaneously and handles at least two externally size or the different drill bits that differ from one another in shape.Different drill bits supports in drill bit storehouse by similar drill bit retainer.Be used in the special diverse drill bit that creeps into situation also can be stored in drill bit storehouse in the situation that non-structure changes.
The thought of embodiment is between drill bit retainer and the clamping components of transfer device, to have shape locking.When drill bit retainer inserts in drill bit storehouse, this shape locking is opened.Shape locking is guaranteed good fastening.When transfer device is when move in drill bit storehouse, shape locking component mechanically carries out to the movement of open position, and when transmission member moves away from drill bit storehouse, shape locking component can move back in latched position by spring member.
The thought of embodiment is, shape locking component between drill bit retainer and the clamping components of transfer device has at least one spring barrel in this clamping components, and this spring barrel is arranged as at least one latch recess or corresponding locking recess being placed in drill bit retainer.In order to stop this spring barrel, away from the device of the bending (in order to strengthen this spring barrel) of locking recess, can be positioned in clamping components.
Accompanying drawing explanation
To some embodiments of the present invention, be explained in more detail in the accompanying drawings, in the accompanying drawings:
Fig. 1 is the schematic side elevation of rock drilling machine, and the drilling apparatus of this rock drilling machine is furnished with fixator and is attached to the bit changer of this fixator,
Fig. 2 a is the perspective schematic view of drill bit to Fig. 2 c, and Fig. 2 b also show with drill bit in the clamping in hole,
Fig. 3 is the schematic top view of the operation of bit changer,
Fig. 4 is the schematic diagram in drill bit storehouse,
Fig. 5 is schematic, the part section details in the drill bit storehouse of Fig. 4,
Fig. 6 is the clamping components of transfer device and the schematic side elevation of the possible shape locking between drill bit retainer,
Fig. 7 is schematic, the partial cut away side views of the clamping components of transfer device,
Fig. 8 a and Fig. 8 b are according to the schematic top view of the locking principle of the clamping components of Fig. 7, and
Fig. 9 a and Fig. 9 b have shown for clamping components being locked onto by expansion machinery element to schematic, the cross sectional side view of another configuration of drill bit retainer.
In the drawings, for clarity, some embodiments of the present invention have been carried out simplifying demonstration.Utilize in the drawings identical Reference numeral to carry out the similar parts of mark.
The specific embodiment
Front end place at feed beam 5, in the most external of feed beam 5, as along drilling direction A finding, there is fixator 14, this fixator 14 comprises clamp or corresponding retaining member, at least for the whirligig 10 by by rock borer 6, come rotary drill rod to open or close the situation being threaded between drilling rod 11 and drill bit 12, can utilize described clamp or retaining member to fix fastening replaceable drill bit 12.Fixator 14 can be located by this way, and maintained instrument 9 is in and creeps in center C.The structure of fixator 14 can configured in various manners.
On the exterior region of this external feed beam 5, bit changer 15 arranges explicitly with fixator 14, and this bit changer 15 comprises drill bit storehouse 16, the drill bit of requirement, and common 5 to 10 can be stored in this drill bit storehouse 16.Drill bit storehouse 16 can be rotating disc, is formed for supporting the space of drill bit 12 to be stored in this rotating disc.Alternative, drill bit storehouse 16 can be chain storehouse or other has the suitable constructions of a plurality of corresponding space arbitrarily.In addition bit changer 15 can comprise one or more stopper elements 17, utilizes described stopper element 17, and drill bit 12 can stop at the predetermined axial positions of creeping in center C by machinery.Stopper element 17 can be carriage, for example, in order to change, stopper element 17 can be pushed from the front side of fixator 14 and creeps into center C and utilizing before fixator 14 is fixedly secured drill bit 12, the front end of drill bit 12 is pushed against on the surface that is positioned at rock borer 6 one sides of stopper element 17.In addition, bit changer 15 comprises one or more transfer devices 18, utilizes described transfer device 18, and drill bit 12 can be passed to fixator 14 from drill bit storehouse 16, and vice versa.
Fig. 2 a has shown different drill bit 12 to Fig. 2 c.As seen from Fig., drill bit 12 is completely different in shape.The drill bit 12 of Fig. 2 a has helical groove in the periphery of frame part 12a, and in the drill bit 12 of Fig. 2 b, frame part 12a is level and smooth cylinder.In addition,, in Fig. 2 c, frame part 12a is provided with the shoulder 20 with groove.Because the profile of different drill bits 12 can be obviously different each other, be difficult to handle at its frame part 12a place drill bit 12.Need to manufacture a kind of general clamper etc.On the other hand, should avoid grasping tip or the operate portions 12b at the front end place of drill bit 12 because it be drill bit most critical parts and be provided with hard but frangible drill bit ball tooth 21.Yet drill bit 12 can be handled by suitable outstanding or pin-shaped independent drill bit retainer 22, this drill bit retainer 22 can be pushed in the hole 23 of frame part 12a of drill bit, and this hole 23 is arranged as the connecting portion of common receiving drilling rod 11.Due to this drill bit retainer 22, drill bit 12 can be handled in drill bit storehouse 16, and during transmitting, does not damage the risk of operate portions 12b.
Fig. 3 has shown the bit changer 15 that is arranged into fixator 14.Changer 15 can comprise transfer device 18, and this transfer device 18 is a kind of executors.Transfer device 18 can comprise the first transfer device 18a and the second transfer device 18b, and this first transfer device 18a and the second transfer device 18b are connected with each other by securing member 35.The first transfer device 18a be arranged as make the second transfer device 18b with the clamping components 36 being connected with this second transfer device 18b along horizontal direction E Linear-moving, drill bit 12 can be transmitted between drill bit storehouse 16 and the clamp 25 of fixator 14.The second transfer device 18b is arranged as the hole 23 that makes drill bit retainer 22 move into and shift out drill bit.Drill bit retainer 22 is elongate members, and its first end can comprise retained part 38, and the clamping components 36 of transfer device 18 can be attached to this retained part 38, and drill bit retainer 22 is fastened to drill bit storehouse 16 by this retained part 38.In addition, drill bit retainer 22 can comprise arm 39, and two or more support member 40a and 40b are arranged into this arm 39 and size is set as when being positioned at the hole 23 of drill bit 12, will self rest on connecting thread 41.In addition, rearmost the first support member 40a can comprise shoulder 46, flange etc., and this shoulder 46, flange etc. can rest on self on the rear surface of drill bit 12 and support in the axial direction drill bit 12.When drill bit retainer 22 is pushed in hole 23 by the second transfer device 18b, the first support member 40a rests on the rear portion of drill bit 12, and the second support member 40b that is rigidly connected to arm 39 can further be pushed to the front end of drill bit 12.Then support member 40a and 40b are parked in distance a distance each other, and drill bit 12 is supported securely by the surface in hole 23 thus.Isolated support member 40a, 40b have guaranteed that drill bit 12 keeps straight.Drill bit retainer 22 can have the adjustment means 45 such as adjustment screw, utilizes described adjustment means 45, can regulate the ultimate range on direction H between support member 40a, 40b.Meanwhile, adjustment means 45 affects retained part 38 and the distance of the first support member 40a on direction H.Because drill bit 12 supports by shoulder 46 after it, so the adjusting of drill bit retainer 22 makes the front end of the drill bit 12 of different length can be parked in the same point in drill bit storehouse 16.When this drill bit storehouse is in axial direction positioned at fixator 14 place, and when the front end of drill bit 12 is set level in drill bit storehouse 16, the transmission between drill bit storehouse 16 and fixator 14 can be carried out with the Linear-moving E that simply crosses of the first transfer device 18a.
When drill bit 12 is crushed between clamp 25, the second transfer device 18b for by drill bit retainer 22 backward, along opposite direction B pull, thus support member 40a, 40b rest in over each other and from hole 23 out.Next, drill bit retainer 22 is by the first transfer device 18a away from creeping into center C transmission, and drilling rod 11 is connected to drill bit 12, and after this, stopper element 17 and clamp 25 are opened.Then creep into normally and can start.
In addition, Fig. 3 is illustrated in while replacing drill bit 12, and drilling rod 11 transmits along opposite direction B in creeping into center C.The front end of drilling rod 11 is provided with connecting portion 43, this connecting portion 43 has connecting thread 44, by make drilling rod 11 make drilling rod 11 around its vertical axes by the whirligig 10 of rock borer 6 along drilling direction A feeding simultaneously, this connecting thread 44 can be connected to the inner side connecting thread 41 of the drill bit 12 that is arranged in fixator 14.When being connected to the drill bit 12 of drilling rod 11 when separated, stopper element 17 is closed, and drill bit 12 is pushed against on stopper element 17.Like this, for transfer device 18 and fixator 14, drill bit 12 is always correctly located.
In addition, Fig. 4 shows that drill bit storehouse 16 can comprise plate-like frame part 50, and this plate-like frame part 50 can rotate with respect to axis of rotation 29, to select required drill bit.The periphery of the frame part 50 in drill bit storehouse 16 has a plurality of spaces 30, as the drill bit retainer 22 described in Fig. 2 b and Fig. 3 can be arranged in separable mode as described in space 30.By along direction G rotating frame part 50, each space 50 can be set to one in change bit 37 at every turn, in this change bit 37, by using transfer device, possible drill bit in drill bit retainer and this drill bit retainer can be shifted out from drill bit storehouse, or alternative, drill bit retainer can be arranged in vacant space 30 by this transfer device.Space 30 is elongated hole, and its periphery towards frame part 50 is open.Protection part 51 can be around the periphery of frame part 50, with at drill bit retainer during not at change bit 37 place, prevents that drill bit retainer from 30 leaving from space.
Fig. 5 has shown according to the details in the drill bit storehouse 16 of Fig. 4.The retained part 38 of drill bit retainer can be columniform, and can comprise circumferential fastening groove 52, utilizes this fastening groove 52, and retained part 38 can be fastened to the elongate space 30 in the frame part 50 in drill bit storehouse.In addition the figure illustrates protection part 51, this protection part 51 prevents that drill bit retainer from sliding away from space 30 in the direction of the radius of plate-like frame part.
Naturally, the retained part 38 of drill bit retainer 22 also can a certain other modes be constructed, and the space 30 in drill bit storehouse and the passing pin of transfer device or corresponding clamping components 36 are also like this.
If drill bit Cang16Shi Liancang, movably chain has formed its frame part, and this frame part is provided with for receiving a plurality of fastening space of drill bit retainer 22.Correspondingly, the frame part in drill bit storehouse can be also difform and it can Linear-moving, and nonrotationally moves.
The support member 40a, the 40b that it should be noted in the discussion above that drill bit retainer 22 can comprise the device for the hole 23 of clamping drilling bit, thereby even if feed beam 5 is guided downward, drill bit 12 will can not separate with retainer 22 yet. Support member 40a, 40b can comprise friction member, such as the clasp of being made by rubber or corresponding elastomeric material.In addition, drill bit retainer 22 can have bulge, and this bulge can expand and be pressed against on the inner surface in hole 23 of drill bit 14 under the effect of pressure medium or mechanical movement.
Fig. 6 has shown for drill bit retainer 22 being fastened to the configuration of the clamping components 36 of transfer device in the mode of simplifying very much.Clamping components 36 can be provided with spring locking component 60, this spring locking component 60 has locking spike thing or corresponding protuberance 61, at its latched position place, described locking spike thing or corresponding protuberance 61 can be arranged in latch recess or the corresponding locking recess 63 in the hole 62 of the retained part 38 that belongs to drill bit retainer 22.This forms shape locking between each spring locking component 60 and locking recess 63, to prevent that drill bit retainer 22 from unexpectedly separating with clamping components 36.Spring locking component 60 can be strengthened in its latched position, and making to lock protuberance 61 can not move away from locking recess 63 in the mode of the dotted line demonstration in Fig. 6.Clamping components 36 can have such device, when expectation, utilizes this device releasably locking protuberance 61 that is:, and drill bit retainer 22 and clamping components 36 can be separated from each other thus.Replace spring-like locking component 60, the rigid locking member that uses the profiled surface utilizing in hole 62 to carry out shape locking is also possible certainly.Shape locking component opens and closes relatively moving and can for example mechanically carrying out due to the movement of transfer device of shape locking, or alternately, it is also possible that working pressure media operation or electrically operated actuator provide necessary movement.
Fig. 7 has shown clamping components 36, and this clamping components 36 comprises two spring locking components 60 that are fastened to framework 64.In addition, this clamping components has the centrepin 65 with respect to framework 64 rotatable layouts.Centrepin 65 is furnished with longitudinal fluting 66, and centrepin 65 can enter such position around its vertical axes thus, that is:, in this position, groove 66 is in spring locking component 60 places.Then spring locking component 60 can enter in groove 66, and this makes the spring locking component can be mobile away from the latch recess of drill bit retainer etc.In its latched position, spring locking component 60 is against the external surface of centrepin 65, and they can not recess the latch recess of drill bit retainer thus.In this embodiment, spring locking component 60 thereby strengthened in its latched position, the locking of the shape between drill bit retainer and clamping components 36 is rigidity thus.When spring locking component 60 is in groove 66 places and when clamping components 36 is pushed to the retained part of drill bit retainer, spring locking component 60 is can be towards groove 66 crooked and make a concession, until they finally enter in the latch recess of drill bit retainer.
Fig. 8 a shows groove 66 and the situation of spring locking component 60 in difference place in the mode of simplifying very much.When transfer device makes clamping components 36 move along direction R, the first match surface 67 joins with the second match surface 68 in drill bit storehouse 16, and this provides the mobile S of rotation of centrepin 65.Thus, groove 66 rests on the position of spring locking component 60, as shown in Fig. 8 b.After clamping components 46 moves away drill bit storehouse 16, spring member can act on centrepin 65, so that it rotates, gets back to its latched position.
Fig. 9 a has shown that clamping components 36 is by locking onto the configuration of drill bit retainer 22 such as expansion locking members 70 such as rubber sleeves.Drill bit retainer 22 can have locking recess 63 or groove, and after revolving member 71 has acted on centrepin 72 and made compression sleeve 73 extruding locking components 70, locking component 70 can be pushed to one side this locking recess 63 or groove, as shown in Figure 9 b.Between centrepin 72 and compression sleeve 73, can there is steep-pitch thread 74, this screw thread 74 converts the rotation movement of centrepin 72 to the Linear-moving of compression sleeve 73.Revolving member 71 can be with the identical mode effect being acted on the first match surface 67 in Fig. 8 a and Fig. 8 b.Certainly, the rotation of centrepin 72 also can be provided with suitable whirligig.In addition expansion locking member 70 can be the spring member such as latch plate, and it expands to one side and enters in locking recess 63 under pressure.
It should be noted in the discussion above that Fig. 8 a also can be applicable to the situation of clamping components 36 direct clamping drilling bit or a certain other drilling parts to the locking scheme shown in Fig. 9 b.
In some cases, the feature of describing in the application can so be used, and irrelevant with other features.On the other hand, while needing, the feature of describing in the application also can merge, so that various combinations to be provided.
Accompanying drawing and associated description only expect to illustrate thought of the present invention.In the scope of claims, the present invention can change in detail.
Claims (12)
1. a drill bit storehouse, a plurality of interchangeable drill bit being used in Rock penetrating can be stored in described drill bit storehouse,
And described drill bit storehouse (16) comprising:
Frame part (50) movably,
A plurality of spaces (30), each space in described space is arranged to and keeps a drill bit (12), and
At least one change bit (37), by mobile described frame part (50), each space (30) is moved to described change bit at every turn, drill bit (12) can be taken to the vacant space (30) that described change bit (37) is located thus, and drill bit (12) can be shifted out from the space (30) of described change bit (37)
It is characterized in that,
Each space (30) in described drill bit storehouse (16) is arranged in separable mode and receives and be connected an independent drill bit retainer (22),
The drill bit of each storage (12) is arranged to by described drill bit retainer (22) and supports in described drill bit storehouse (16), and
Described drill bit retainer (22) rests at least one inner surface (41) of described drill bit (12).
2. drill bit according to claim 1 storehouse, is characterized in that,
The frame part (50) in described drill bit storehouse is the discoid pieces that is equipped with a plurality of spaces (30), and each space in described space is arranged to receives a drill bit retainer (22),
Each space (30) is open towards the periphery of the described frame part (50) of plate-like,
Described drill bit retainer (22) comprises the retained part (38) with fastening groove (52), make described drill bit retainer (22) support to described space (30) and can in described change bit (37), locate mobile along the direction of the radius of the described frame part (50) of plate-like by described groove (52)
When described drill bit retainer is not when described change bit (37) is located, by least one protection member (51), prevent that described drill bit retainer (22) is mobile, and
The described frame part (50) of plate-like can rotate with respect to turning cylinder (29), for making described space (30) mobile with respect to described change bit (37).
3. drill bit according to claim 1 and 2 storehouse, is characterized in that,
The described drill bit (12) being stored in described drill bit storehouse (16) only supports to the frame part (50) in described drill bit storehouse by described drill bit retainer (22).
4. for handling a drill bit retainer for the interchangeable drill bit that is used in Rock penetrating, it is characterized in that,
Described drill bit retainer (22) is prodger independently, and described prodger is upper at least one inner surface (41) that transmits and can rest between the storage life described drill bit (12),
Described drill bit retainer (22) comprises the retained part (38) for manipulation and fastening described drill bit retainer (22), and
Before described drill bit is connected to drilling rod, described drill bit retainer (22) is removed.
5. drill bit retainer according to claim 4, is characterized in that,
Described drill bit retainer (22) comprises extension arm (39), and
First end along described arm (39) has cylindrical retained part (38),
The central axis of described retained part (38) has longitudinal hole (54), and the transfer device of bit changer (18) acts on described longitudinal hole (54), and
The external surface of described retained part (38) has circumferential fastening groove (52), and described drill bit retainer (22) can be fastened to described drill bit storehouse (16) by described circumferential fastening groove.
6. drill bit retainer according to claim 4, is characterized in that,
Described drill bit retainer (22) comprises extension arm (39) and at least two support members (40a, 40b), and described support member is arranged as the inner side connecting thread (41) that himself rests on described drill bit (12) upper,
The first support member (40a) is arranged as can be mobile with respect to described arm (39),
The second support member (40b) is fixedly placed in the outermost end of described arm (39) with respect to described arm (39), and
By making described arm (39) mobile with respect to described the first support member (40a), make described the first support member (40a) and the second support member (40b) can set the certain axial distance of mutual distance for and correspondingly abut against each other.
7. drill bit retainer according to claim 6, is characterized in that,
Described drill bit retainer (22) comprises at least one adjustment means (45), be used for setting the maximum axial distance between described the first support member (40a) and described the second support member (40b), with the drill bit corresponding to being handled (12).
8. according to the drill bit retainer described in claim 6 or 7, it is characterized in that,
Described the first support member (40a) comprises the cylindrical portion that can be arranged in described drill bit (12) and the shoulder (46) that can arrange against the rear surface of described drill bit (12).
9. according to the drill bit retainer described in claim 6 or 7, it is characterized in that,
Described the first support member (40a) and the second support member (40b) are separable, and they can be changed thus, with corresponding to each drill bit of being handled (12).
10. for changing a method for the drill bit that bores rock device,
Described method comprises:
A plurality of interchangeable drill bits (12) are stored in drill bit storehouse (16),
Being connected between drilling rod (11) and drill bit (12) separated,
By transfer device (18), the drill bit separating (12) is brought in described drill bit storehouse (16),
Utilize described transfer device (18) green bit (12) is taken out from described drill bit storehouse and it is put into the center of creeping into (C), and
Drilling rod (11) is connected in described green bit (12),
It is characterized in that,
In each drill bit (12), arrange outstanding drill bit retainer (22), described drill bit retainer (22) is the discrete item that is independent of described drill bit storehouse (16),
Transmitting and by only affecting described drill bit retainer (22), handling each drill bit being replaced (12) between the storage life, and
Before described drilling rod (11) and drill bit (12) are connected to each other, described drill bit retainer (22) is taken out from described drill bit (12).
11. methods according to claim 10, is characterized in that,
Described drill bit retainer (22) is supported to the inner side connecting thread (41) in the hole (23) in described drill bit (12).
12. according to the method described in claim 10 or 11, it is characterized in that,
Size externally or at least a plurality of different drill bits (12) of differing from one another are in shape stored in described drill bit storehouse simultaneously, and
By similar each other drill bit retainer (22), described different drill bit (12) is supported in described drill bit storehouse (16).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20085630A FI121438B (en) | 2008-06-23 | 2008-06-23 | Drill bit magazine, drill bit holder and method for changing drill bit in rock drilling machine |
| FI20085630 | 2008-06-23 | ||
| PCT/FI2009/050510 WO2009156575A1 (en) | 2008-06-23 | 2009-06-12 | Drill bit magazine, drill bit holder, and method for changing drill bit in rock drilling unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102066691A CN102066691A (en) | 2011-05-18 |
| CN102066691B true CN102066691B (en) | 2014-04-02 |
Family
ID=39589391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980124049.5A Expired - Fee Related CN102066691B (en) | 2008-06-23 | 2009-06-12 | Drill bit magazine, drill bit holder, and method for changing drill bit in rock drilling unit |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP2310617A4 (en) |
| JP (1) | JP5117615B2 (en) |
| CN (1) | CN102066691B (en) |
| AU (1) | AU2009264154B2 (en) |
| CA (1) | CA2727856C (en) |
| FI (1) | FI121438B (en) |
| WO (1) | WO2009156575A1 (en) |
| ZA (1) | ZA201100478B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2017200871B2 (en) * | 2016-02-12 | 2022-01-27 | Joy Global Surface Mining Inc | Bit change mechanism for a drill rig |
| SE541693C2 (en) * | 2016-11-29 | 2019-11-26 | Epiroc Rock Drills Ab | Method, device and holder for mounting a drill bit |
| FI3415709T3 (en) * | 2017-06-12 | 2023-01-31 | Gripping device and method of gripping drilling tools | |
| SE543092C2 (en) * | 2018-05-21 | 2020-10-06 | Epiroc Rock Drills Ab | 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 |
| CN112392412B (en) * | 2020-11-18 | 2023-03-31 | 衢州海西电子科技有限公司 | Drill bit replacing device and rock drill |
| EP4267830A2 (en) | 2020-12-23 | 2023-11-01 | Epiroc Rock Drills Aktiebolag | Drill bit change in face drill rig |
| US11466522B2 (en) | 2021-01-29 | 2022-10-11 | Epiroc Drilling Solutions, Llc | Drilling tool changer apparatus |
| CN114536482B (en) * | 2022-04-28 | 2022-07-08 | 新沂市凯宁工具有限公司 | Drilling machine equipment of ring type carpenter's drill bit component |
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| WO2008054302A1 (en) * | 2006-10-30 | 2008-05-08 | Atlas Copco Rock Drills Ab | Bit changer |
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| US4974686A (en) * | 1989-06-30 | 1990-12-04 | Oy Tampella Ab | Apparatus for handling a drilling equipment |
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| DE10336869A1 (en) * | 2003-08-11 | 2005-06-09 | Kennametal Inc. | tool coupling |
| DE102004045404A1 (en) * | 2004-09-18 | 2006-03-30 | Klemm Bohrtechnik Zweigniederlassung Der Bauer Maschinen Gmbh | Drilling rig with drill tool magazine |
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2008
- 2008-06-23 FI FI20085630A patent/FI121438B/en not_active IP Right Cessation
-
2009
- 2009-06-12 AU AU2009264154A patent/AU2009264154B2/en not_active Ceased
- 2009-06-12 CN CN200980124049.5A patent/CN102066691B/en not_active Expired - Fee Related
- 2009-06-12 CA CA2727856A patent/CA2727856C/en not_active Expired - Fee Related
- 2009-06-12 WO PCT/FI2009/050510 patent/WO2009156575A1/en active Application Filing
- 2009-06-12 EP EP09769418.6A patent/EP2310617A4/en not_active Withdrawn
- 2009-06-12 JP JP2011515496A patent/JP5117615B2/en not_active Expired - Fee Related
-
2011
- 2011-01-19 ZA ZA2011/00478A patent/ZA201100478B/en unknown
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3976149A (en) * | 1972-02-08 | 1976-08-24 | Linden-Alimak Ab | Rock drill equipment having a mechanized drill bit exchange |
| EP0527460B1 (en) * | 1991-08-14 | 1995-05-17 | Stump Bohr GmbH | Method and device for drilling holes in soil or rock, particularly for the insertion of injection anchors |
| WO2000061907A1 (en) * | 1999-04-13 | 2000-10-19 | Sandvik Tamrock Oy | Arrangement in rock drilling apparatus |
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| WO2008054302A1 (en) * | 2006-10-30 | 2008-05-08 | Atlas Copco Rock Drills Ab | Bit changer |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011525578A (en) | 2011-09-22 |
| EP2310617A1 (en) | 2011-04-20 |
| CA2727856C (en) | 2013-10-01 |
| FI121438B (en) | 2010-11-15 |
| FI20085630A0 (en) | 2008-06-23 |
| AU2009264154A1 (en) | 2009-12-30 |
| JP5117615B2 (en) | 2013-01-16 |
| WO2009156575A1 (en) | 2009-12-30 |
| EP2310617A4 (en) | 2015-12-02 |
| AU2009264154B2 (en) | 2012-05-17 |
| FI20085630A (en) | 2009-12-24 |
| CA2727856A1 (en) | 2009-12-30 |
| ZA201100478B (en) | 2011-10-26 |
| CN102066691A (en) | 2011-05-18 |
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