CN105370276A - Cutting pick, wear and mounting system for mining machine - Google Patents
Cutting pick, wear and mounting system for mining machine Download PDFInfo
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- CN105370276A CN105370276A CN201510801635.6A CN201510801635A CN105370276A CN 105370276 A CN105370276 A CN 105370276A CN 201510801635 A CN201510801635 A CN 201510801635A CN 105370276 A CN105370276 A CN 105370276A
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- instrument
- tool
- tool rack
- flange
- weakness
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- 238000005065 mining Methods 0.000 title claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 43
- 208000027418 Wounds and injury Diseases 0.000 claims description 7
- 208000014674 injury Diseases 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims 2
- 239000012530 fluid Substances 0.000 abstract description 10
- 239000007921 spray Substances 0.000 abstract description 2
- 238000002347 injection Methods 0.000 description 42
- 239000007924 injection Substances 0.000 description 42
- 239000000463 material Substances 0.000 description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 239000004033 plastic Substances 0.000 description 8
- 229920003023 plastic Polymers 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 7
- 229910019142 PO4 Inorganic materials 0.000 description 5
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 5
- 241001625808 Trona Species 0.000 description 5
- 239000010452 phosphate Substances 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 5
- 229940072033 potash Drugs 0.000 description 5
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 5
- 235000015320 potassium carbonate Nutrition 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
- E02F9/2808—Teeth
- E02F9/2816—Mountings therefor
- E02F9/2825—Mountings therefor using adapters
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
- E02F9/2808—Teeth
- E02F9/2816—Mountings therefor
- E02F9/2833—Retaining means, e.g. pins
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
- E02F9/2808—Teeth
- E02F9/2858—Teeth characterised by shape
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
- E02F9/2866—Small metalwork for digging elements, e.g. teeth scraper bits for rotating digging elements
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/19—Means for fixing picks or holders
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Food-Manufacturing Devices (AREA)
Abstract
A tool system for a mining machine. The tool comprises a tool holder (12) and a cutting tool pick (14) with a cutting tip (16). The mounting end of the tool comprises a tapered shank (18) in a corresponding tapered socket (20) of the tool holder (12). There may be a wear plate (24) situated between the tool holder (12) and the tool (14). There may be further removable wear plates (30) positioned between the tool holder and the tool in the shank region, these wear plates may have lateral projections (29) engaging corresponding recesses (32) in the shank region of the body (12). All these wear plates may be sacrificial and are able to be replaced upon wear, thus less damage will occur to the shank region of the tool or the holder body. The tool assembly may further include a pin (42) which can engage both the tool and holder by extending through aligned openings, opening (40) in the tool holder and opening (38) in the tool. The pin may be resiliently held in place. A spray unit (25) extends through the wear part (24) and has an outlet (25a) to direct fluid toward the cutting tip (16).
Description
The application is the applying date is on March 18th, 2011, and application number is 201180014622.4 and the divisional application of the Chinese patent of by name " for the pick of digger, wearing and tearing and installation system ".
The application relates to Australian Provisional Patent application No.2010901134, and this application is incorporated herein by reference in their entirety.
Technical field
The present invention relates to a kind of tool system for digger.This tool system developed is mainly used in longwall shearer and iron ore digger.But, will it is to be understood that this tool system also can be used for other mineral diggers, or in excavating equipment even for such as road headers (roadheaders), surface miner, continuous mining machine or tunnel machine.
Background technology
Tool system in known longwall shearer be arranged on comprise cylinder (barrel) helix drum on, helical blade extends around described cylinder.This tool system is arranged on the radially outward edge of helical blade and panel.
Tool system in known iron ore digger is directly installed on cutterhead, usually along the length direction of cylinder be roughly spirality pattern.
Tool system in known digger can comprise the injection unit (sprayunit) for the cut end of the cutting tool that led by water.Injection unit threadably can engage suspension column or the tool rack of cutting tool, or fixes by stop device.But the problem of known tool system is, injection unit can blow out from the cutting tool or tool rack of engagement because height sprays the loss of hydraulic pressure or ejector stop device.In addition, in embodiments, being attached in tool rack locating at injection unit, is worn and torn by the motion of tool base at digger run duration in the region around injection unit.
Any discussed file, behavior, material, device, object etc. that this manual comprises are only for providing background of the present invention.This should not be regarded as a part of admitting that any or all these contents define prior art basis or the common practise in the art existed between the priority date of each bar claim of the present invention.
In this manual, word " comprises (comprise) ", or the change such as " comprised (comprises) " is interpreted as inferring and comprises designated components, entirety (integer) or step, or the group of element, entirety or step, but do not get rid of any other element, integer or step, or the group of element, entirety or step.
Summary of the invention
In first of the present invention, provide a kind of tool system for digger, described tool system comprises:
Tool rack;
Have the instrument of cut end and installation end, described cut end is used for from orebody mining ore, and described installation end is suitable for engaging (engage) with described tool rack to be fixed on described tool rack by described instrument; And
There is one group of panel that can remove of different lateral dimension, each described panel can be engaged between described tool rack and described instrument, so that the described panel of larger lateral dimension can be mounted along with the described installation end wearing and tearing of described instrument, to occupy the space of the increase caused by described tool wear between described installation end and described tool rack.
Each described panel can comprise the first lateral projection, and described first lateral projection can engage to the first corresponding horizontal retainer (indent) in described tool rack and described instrument.Each described panel can be secured in described tool rack and described instrument.Described first lateral projection flexibly can engage (resilientlysnap-lockinglyengageable) to snap-lock with described first horizontal retainer.Each described panel can engage with the transverse edge of the described installation end of described instrument.
Described tool rack can comprise the interface for engaging with the described installation end of described instrument.The described installation end of described instrument comprises bit shank.
Second lateral projection can be provided in described tool rack and described instrument, and described second lateral projection can engage with another in described tool rack and described instrument.Described second lateral projection can be formed integrally as one piece construction with the main body of described tool rack maybe can for being installed to the form of the projection on described tool rack.Described second lateral projection can be provided on the transverse side contrary with described first lateral projection of the mounting portion of described instrument.
The opening of the first horizontal expansion can be provided in the described installation end of described instrument, described in when in described tool engagement to described tool rack, the first opening is aimed at the second transverse opening in described tool rack, described second opening leads to the outer surface of described tool rack, thus make pin engageable in described first opening and described both second openings, to be fixed in described tool rack by described instrument.
Pin flexibly can be engaged on slidably in the opening of described tool rack and to be biased to and engage with the opening in described instrument, to be fixed in described tool rack by described instrument.
The groove that can be limited by the space between described instrument and described tool rack when described instrument engages with described tool rack, wearing terrain can be suitable for and described engagement so that be positioned between described instrument and described tool rack.Described wearing terrain can be formed by the material more more not wear-resisting than described tool rack, so that the wearing and tearing of described wearing terrain sacrificial ground reduce the wearing and tearing of described tool rack.Described wearing terrain is formed by the material more wear-resisting than described instrument, so that the wearing and tearing of described instrument sacrificial ground reduce the wearing and tearing of described wearing terrain.Wearing terrain can be formed by plastic material or steel.Described groove and thus described wearing terrain can be positioned near the heel end (heelend) of described instrument.Injection unit can be engaged in the opening in described wearing terrain, and the described cut end that can have from described injection unit towards described instrument guides the outlet of fluid.Injection unit can extend in the hole of tool rack at least in part.The groove of the first horizontal expansion to may be provided in tool rack adjacent to hole place and can aim to the groove of the second corresponding horizontal expansion on injection unit.First groove and the second groove can together with limit the opening of horizontal expansion, the opening of this horizontal expansion is used for acceptance pin to be locked in described hole by described injection unit.
Line of weakness (lineofweakness) may be provided in instrument to limit predetermined failpoint (failurepoint).Line of weakness can extend transversely through instrument.Line of weakness can be the form of the groove in instrument.Line of weakness can be positioned on the position being convenient to tool failures, and this position can not extra-inhibitory removing tool from tool rack.Described instrument can comprise the flange of horizontal expansion, and the flange of described horizontal expansion can engage with bar so that remove described instrument from described tool rack.So that lost efficacy in the position that described instrument is suitable for the flange retaining described horizontal expansion is injury-free above the flange that described line of weakness can be positioned on described horizontal expansion.
Described tool rack can be suitable for the rotatable head that is connected on digger or can form with the rotatable head on digger.In some embodiments, rotatable head such as may be mounted in the helix drum on the digger for exploiting class sapropelitic, potash, phosphate, salt or trona, or the cutting head on digger.In other embodiments, rotatable head may be such as the cutting head for exploiting similar iron ore in hard ore body on digger.
Provide a kind of instrument of the tool system for digger according to a second aspect of the invention, described instrument comprises:
Cut end and installation end, described cut end is used for from orebody mining ore, and described installation end is suitable for engaging with the tool rack of described tool system, to be fixed on described tool rack by described instrument;
Removably be fastened to the panel of described installation end, described panel comprises the first lateral projection, and described first lateral projection is used for the engagement to the first corresponding horizontal retainer in described tool rack, so that be fixed on described tool rack by described instrument.
Described first lateral projection flexibly can engage to snap-lock with described first horizontal retainer.Described panel can engage with the transverse edge of the described installation end of described instrument.The panel of multiple lateral dimension can be provided for the installation end being fastened to described instrument, so that the described panel of larger lateral dimension can be mounted along with the described installation end wearing and tearing of described instrument, to occupy the space of the increase caused by the wearing and tearing of described instrument between described mounting portion and described tool rack.
The described installation end of described instrument can comprise the bit shank for engaging with the interface in described tool rack.
Second lateral projection can be provided on described instrument, and described second lateral projection can engage with described tool rack.Described second lateral projection can be provided on the transverse side contrary with described first lateral projection of the described mounting portion of described instrument.
The opening of the first horizontal expansion can be provided in the described installation end of described instrument, when described instrument engages with described tool rack, described first opening is aimed at the second transverse opening in described tool rack, described second opening leads to the outer surface of described tool rack, so that pin can engage to be fixed in described tool rack by described instrument with described first opening and described both second openings.
Pin flexibly can be engaged on slidably in the opening of described tool rack and to be biased to and engage with the opening in described instrument, to be fixed in described tool rack by described instrument.
The groove that can be limited by the space between described instrument and described tool rack when described instrument engages with described tool rack, wearing terrain can be suitable for and described engagement so that be positioned between described instrument and described tool rack.Described wearing terrain can be formed by the material more more not wear-resisting than described tool rack, so that the wearing and tearing of described wearing terrain sacrificial ground reduce the wearing and tearing of described tool rack.Described wearing terrain is formed by the material more wear-resisting than described instrument, so that the wearing and tearing of described instrument sacrificial ground reduce the wearing and tearing of described wearing terrain.Wearing terrain can be formed by plastic material or steel.Described groove and thus described wearing terrain can be positioned near the heel end of described instrument.Injection unit can be engaged in the opening in described wearing terrain, and the described cut end that can have from described injection unit towards described instrument guides the outlet of fluid.Injection unit can extend in the hole of tool rack at least in part.The groove of the first horizontal expansion to may be provided in tool rack adjacent to hole place and can aim to the groove of the second corresponding horizontal expansion on injection unit.First groove and the second groove can together with limit the opening of horizontal expansion, the opening of this horizontal expansion is used for acceptance pin to be locked in described hole by described injection unit.
Line of weakness may be provided in instrument to limit predetermined failpoint.Line of weakness can extend transversely through instrument.Line of weakness can be the form of the groove in instrument.Line of weakness can be positioned on the position being convenient to tool failures, and this position can not extra-inhibitory removing tool from tool rack.Described instrument can comprise the flange of horizontal expansion, and the flange of described horizontal expansion can engage with bar so that remove described instrument from described tool rack.So that lost efficacy in the position that described instrument is suitable for the flange retaining described horizontal expansion is injury-free above the flange that described line of weakness can be positioned on described horizontal expansion.
Described tool rack can be suitable for the rotatable head that is connected on digger or can form with the rotatable head on digger.In some embodiments, rotatable head such as may be mounted in the helix drum on the digger for exploiting class sapropelitic, potash, phosphate, salt or trona, or the cutting head on digger.In other embodiments, rotatable head may be such as the cutting head for exploiting similar iron ore in hard ore body on digger.
3rd aspect of the present invention provides a kind of tool system for digger, and described tool system comprises:
Tool rack;
Have the instrument of cut end and installation end, described cut end is used for from orebody mining ore, and described installation end is suitable for engaging to be fixed on described tool rack by described instrument with described tool rack; And
For described instrument being fixed at least three locking mechanisms of described tool rack, described at least three locking mechanisms comprise following at least one:
The first lateral projection on one in described tool rack and described instrument, and the corresponding first horizontal retainer on another in described tool rack and described instrument, described first lateral projection can engage so that be fixed on described tool rack by described instrument with described first horizontal retainer
The opening of the first horizontal expansion in the described installation end of described instrument, when described instrument engages with described tool rack, described first opening is aimed at the second transverse opening in described tool rack, described second opening leads to the outer surface of described tool rack, so that sell engageable in described first opening and described both second openings, so that described instrument is fixed in described tool rack, and
Pin, this pin to be flexibly engaged on slidably in the opening of described tool rack and to be biased to and engage with the opening in described instrument, to be fixed in described tool rack by described instrument.
Described tool rack can comprise the interface for engaging with the described installation end of described instrument.The installation end of described instrument can comprise bit shank.
Described first lateral projection flexibly can engage to snap-lock with described first horizontal retainer.Described first lateral projection can be provided on mobile panel, and described mobile panel can engage with the transverse edge of the described installation end of described instrument.The panel of multiple lateral dimension can be provided.The panel of larger lateral dimension can be mounted along with the described installation end wearing and tearing of described instrument, to occupy the space of the increase caused by the wearing and tearing of described instrument between described mounting portion and described tool rack.
Second lateral projection can be provided in described tool rack and described instrument, and described second lateral projection can engage with another in described tool rack and described instrument.Described second lateral projection can be formed integrally as one piece construction with the main body of described tool rack maybe can for being installed to the form of the projection on described tool rack.Described second lateral projection can be provided on the transverse side contrary with described first lateral projection of the mounting portion of described instrument.
The groove that can be limited by the space between described instrument and described tool rack when described instrument engages with described tool rack, wearing terrain can be suitable for and described engagement so that be positioned between described instrument and described tool rack.Described wearing terrain can be formed by the material more more not wear-resisting than described tool rack, so that the wearing and tearing of described wearing terrain sacrificial ground reduce the wearing and tearing of described tool rack.Described wearing terrain is formed by the material more wear-resisting than described instrument, so that the wearing and tearing of described instrument sacrificial ground reduce the wearing and tearing of described wearing terrain.Wearing terrain can be formed by plastic material or steel.Described groove and thus described wearing terrain can be positioned near the heel end of described instrument.Injection unit can be engaged in the opening in described wearing terrain, and the described cut end that can have from described injection unit towards described instrument guides the outlet of fluid.Injection unit can extend in the hole of tool rack at least in part.The groove of the first horizontal expansion to may be provided in tool rack adjacent to hole place and can aim to the groove of the second corresponding horizontal expansion on injection unit.First groove and the second groove can together with limit the opening of horizontal expansion, the opening of this horizontal expansion is used for acceptance pin to be locked in described hole by described injection unit.
Line of weakness may be provided in instrument to limit predetermined failpoint.Line of weakness can extend transversely through instrument.Line of weakness can be the form of the groove in instrument.Line of weakness can be positioned on the position being convenient to tool failures, and this position can not extra-inhibitory removing tool from tool rack.Described instrument can comprise the flange of horizontal expansion, and the flange of described horizontal expansion can engage with bar so that remove described instrument from described tool rack.So that lost efficacy in the position that described instrument is suitable for the flange retaining described horizontal expansion is injury-free above the flange that described line of weakness can be positioned on described horizontal expansion.
Described tool rack can be suitable for the rotatable head that is connected on digger or can form with the rotatable head on digger.In some embodiments, rotatable head such as may be mounted in the helix drum on the digger for exploiting class sapropelitic, potash, phosphate, salt or trona, or the cutting head on digger.In other embodiments, rotatable head may be such as the cutting head for exploiting similar iron ore in hard ore body on digger.
4th aspect of the present invention provides a kind of tool system for digger, and described tool system comprises:
Tool rack;
Have the instrument of cut end and installation end, described cut end is used for from orebody mining ore, and described installation end is suitable for engaging to be fixed on described tool rack by described instrument with described tool rack;
The groove limited by the space between described instrument and described tool rack when described instrument engages with described tool rack;
Be suitable for and described engagement so that be positioned at the wearing terrain between described instrument and described tool rack.
Described wearing terrain can be formed by the material more more not wear-resisting than described tool rack, so that the wearing and tearing of described wearing terrain sacrificial ground reduce the wearing and tearing of described tool rack.Described wearing terrain is formed by the material more wear-resisting than described instrument, so that the wearing and tearing of described instrument sacrificial ground reduce the wearing and tearing of described wearing terrain.Wearing terrain can be formed by plastic material or steel.Described groove and thus described wearing terrain can be positioned near the heel end of described instrument.
Injection unit can be engaged in the opening in described wearing terrain, and the described cut end that can have from described injection unit towards described instrument guides the outlet of fluid.Injection unit can extend in the hole of tool rack at least in part.The groove of the first horizontal expansion to may be provided in tool rack adjacent to hole place and can aim to the groove of the second corresponding horizontal expansion on injection unit.First groove and the second groove can together with limit the opening of horizontal expansion, the opening of this horizontal expansion is used for acceptance pin to be locked in described hole by described injection unit.
Described tool rack can comprise the interface for engaging with the described installation end of described instrument.The described installation end of described instrument comprises bit shank.One in described tool rack and described instrument can have the first lateral projection, another in described tool rack and described instrument can have corresponding first horizontal retainer, and described first lateral projection can engage so that be fixed on described tool rack by described instrument with described first horizontal retainer.Described first lateral projection flexibly can engage to snap-lock with described first horizontal retainer.Described first lateral projection can be provided on mobile panel, and described mobile panel can engage with the transverse edge of the described installation end of described instrument.The panel of multiple lateral dimension can be provided.The panel of larger lateral dimension can be mounted along with the described installation end wearing and tearing of described instrument, to occupy the space of the increase caused by the wearing and tearing of described instrument between described mounting portion and described tool rack.
Second lateral projection can be provided in described tool rack and described instrument, and described second lateral projection can engage with another in described tool rack and described instrument.Described second lateral projection can be formed integrally as one piece construction with the main body of described tool rack maybe can for being installed to the form of the projection on described tool rack.Described second lateral projection can be provided on the transverse side contrary with described first lateral projection of the mounting portion of described instrument.
The opening of the first horizontal expansion can be provided in the described installation end of described instrument, described in when in described tool engagement to described tool rack, the first opening is aimed at the second transverse opening in described tool rack, described second opening leads to the outer surface of described tool rack, thus make pin engageable in described first opening and described both second openings, to be fixed in described tool rack by described instrument.
Pin flexibly can be engaged on slidably in the opening of described tool rack and to be biased to and engage with the opening in described instrument, to be fixed in described tool rack by described instrument.
Line of weakness may be provided in instrument to limit predetermined failpoint.Line of weakness can extend transversely through instrument.Line of weakness can be the form of the groove in instrument.Line of weakness can be positioned on the position being convenient to tool failures, and this position can not extra-inhibitory removing tool from tool rack.Described instrument can comprise the flange of horizontal expansion, and the flange of described horizontal expansion can engage with bar so that remove described instrument from described tool rack.So that lost efficacy in the position that described instrument is suitable for the flange retaining described horizontal expansion is injury-free above the flange that described line of weakness can be positioned on described horizontal expansion.
Described tool rack can be suitable for the rotatable head that is connected on digger or can form with the rotatable head on digger.In some embodiments, rotatable head such as may be mounted in the helix drum on the digger for exploiting class sapropelitic, potash, phosphate, salt or trona, or the cutting head on digger.In other embodiments, rotatable head may be such as the cutting head for exploiting similar iron ore in hard ore body on digger.
Accompanying drawing explanation
Now with reference to the accompanying drawings, exemplary description according to the embodiment of tool system of the present invention, wherein:
Fig. 1 is the phantom drawing of the embodiment according to tool system of the present invention;
Fig. 2 is the lateral view of the tool system of Fig. 1;
Fig. 3 is the front elevation drawing of the tool system of Fig. 1;
Fig. 4 is the top view of the tool system of Fig. 1;
Fig. 5 is the cross-sectional view that the tool system 5-5 along the line of Fig. 4 intercepts;
Fig. 5 a is the enlarged drawing of the circular portion of Fig. 5;
Fig. 6 is the phantom drawing before the instrument of the tool system of Fig. 1;
Fig. 7 is the lateral view of the instrument of Fig. 6;
Fig. 8 is the front elevation drawing of the instrument of Fig. 7;
Fig. 9 is the top view of the instrument of Fig. 7;
Figure 10 is the rear elevation of the instrument of Fig. 7;
Figure 11 is the phantom drawing of the rear end of the tool rack of the tool system of Fig. 1;
Figure 12 is the phantom drawing of the front elevation drawing of the tool rack of Figure 11;
Figure 13 is the front elevation drawing of the tool rack of Figure 11;
Figure 14 is the lateral view of the tool rack of Figure 11;
Figure 15 is the top view of the tool rack of Figure 11;
Figure 16 is the top view of the decomposition of two parts of the tool rack of Figure 11;
Figure 17 is the phantom drawing of the wearing terrain of the tool system of Fig. 1;
Figure 18 is the front elevation drawing of the wearing terrain of Figure 17;
Figure 19 is the top view of the wearing terrain of Figure 17;
Figure 20 is the lateral view of the wearing terrain of Figure 17;
Figure 21 is the phantom drawing of the injection unit of the tool system of Fig. 1;
Figure 22 is the lateral view of the injection unit of Figure 21;
Figure 23 is the longitdinal cross-section diagram of the injection unit of Figure 21;
Figure 24 is the phantom drawing for instrument being fixed on the pin in tool rack;
Figure 25 is the phantom drawing for wearing terrain being fixed to the pin on tool rack; And
Figure 26 and Figure 27 is the phantom drawing of the metal sheet that can remove of the tool system of Fig. 1.
Detailed description of the invention
With reference to accompanying drawing, first with reference to Fig. 1-Fig. 5, there is illustrated the tool system 10 for longwall shearer.Tool system 10 comprises tool rack 12 and instrument 14.Instrument 14 has: for the cut end 16 from orebody mining ore; Comprise the installation end of bit shank 18 convergent, described bit shank 18 is suitable in the socket 20 of the correspondingly convergent being engaged to tool rack 12, to be fastened on tool rack 12 by instrument 14; Front end 14a and heel end 14b.Cut end 16 has tungsten carbide tip, and this tungsten carbide tip is by fixing in slit in the hole that is placed on instrument 12 or projection.As shown in Figure 4, instrument 14 has streamlined.As shown in Figure 5, when instrument and tool rack engagement, limit groove 22 by the space formed between instrument 14 and tool rack 12, groove 22 is positioned near the heel end 14b of instrument 14.As shown in Figure 1, Figure 4 and Figure 5, wearing terrain 24 be suitable for and groove 22 fixed engagement (captiveengagement) so that be positioned between instrument 14 and tool rack 12 near the heel end 14b place of instrument 14.In Figure 17-Figure 20, illustrate in greater detail wearing terrain 24, can see that locking protruding 24a extends from the transverse edge of wearing terrain 24 in the drawings.As shown in fig. 11 and fig, provide corresponding groove 12c in tool rack 12, protruding 24a can engage with groove 12c so that wearing terrain 24 is attached to tool rack 12.As shown in Fig. 1, Fig. 4 and Fig. 5, the injection unit 25 provided has the bottom in the hole 26 that can be engaged in tool rack 12 and extends through the upper end of opening 24b of wearing terrain 24.Injection unit 25 illustrates in greater detail in Figure 21-Figure 23 and the cut end 16 had from injection unit towards instrument 14 guides the outlet 25a of fluid.The groove 27a of the first horizontal expansion is provided at adjacent bores 26 place in tool rack 12, and aims to the groove 27 of the second corresponding horizontal expansion on injection unit 25 as depicted in fig. 5.First groove and the second groove together define for acceptance pin 28 injection unit 25 to be locked in the opening 27 of the horizontal expansion in hole 26.
As shown in Fig. 6-Figure 10, instrument 14 has the first lateral projection 29, first lateral projection 29 and is formed in and is formed by spring steel and on the mobile panel 30 that can engage with the transverse edge 31 of the installation end 18 of instrument 14.As shown in Figure 5, tool rack 12 has the horizontal retainer 32 of corresponding first horizontal retainer 32, first and can engage so that be fixed on tool rack 12 by instrument 14 with first protruding 29.First lateral projection 29 flexibly can engage to snap-lock with the first horizontal retainer 32.The button 33 in the hole 34 that panel 30 is such as extended through in panel 30 by suitable securing member is connected to the installation end 18 of instrument 14.Button 33 goes back the space between the mounting portion 18 of fill tool 14 and tool rack 12 so that the reservation of instrument 14 be fixed in tool rack 12.But, in other embodiments, securing member panel 30 being connected to instrument 14 can comprise bolt or snap-fastener (pressstuds) (not shown), or be formed on panel 30 with the flange of the slit friction engagement in corresponding instrument 14.One group of panel 30 with multiple lateral dimension can be provided as using together with instrument 14.The panel 30 of larger lateral dimension can wear and tear along with the installation end 18 of described instrument 14 and be mounted, to occupy the space of the increase caused by described tool wear between described installation end and described tool rack 12.
Second lateral projection extends with the transverse side contrary with the first lateral projection 29 of the form of button 36 from mounting portion 18.Button 36 can engage to actuate instrument 14 towards the first horizontal retainer 34 with the inwall of the interface 20 of tool rack 12.
As illustrated best in Fig. 5, Fig. 7 and Figure 14, the opening 38 of the first horizontal expansion is provided in the installation end 18 of instrument 14, and aims at the second transverse opening in tool rack 12 when tool engagement is in tool rack.Second opening 40 leads to the outer surface of tool rack 12, thus makes pin 42 engageable in both the first opening and the second opening 38,40, to be fixed in tool rack 12 by instrument 14.
As shown in Figure 2, instrument 14 comprises the flange 14d of horizontal expansion, and the flange 14d of horizontal expansion can engage with bar so that from tool rack 12 removing tool 14.Line of weakness provides in the tool to limit the predetermined inefficacy line that horizontal line extends through instrument 14 with the form of groove 44.Line of weakness 44 is positioned as instrument of being convenient to 14 and can not losing efficacy from the position of tool rack 12 removing tool 14 by extra-inhibitory.Specifically, line of weakness is positioned in above the flange 14d of horizontal expansion, so that lost efficacy, even if bar also can be made like this to engage with flange 14d when instrument 14 lost efficacy (failure) in the position that instrument 14 is suitable for the flange retaining horizontal expansion is injury-free.
Wearing terrain 24 is formed by plastic material, such as by polyformaldehyde (POM), usually known acetyl, nylon or polytetrafluoroethylene (PTFE) are made, and described plastic material is more more not wear-resisting than tool rack, so that the wearing and tearing of wearing terrain sacrificial ground are with the wearing and tearing reducing tool rack.More wear-resisting than instrument of the plastic material of wearing terrain, so that the wearing and tearing of instrument sacrificial ground are with the wearing and tearing reducing wearing terrain.
As shown in Figure 21-Figure 23, injection unit 25 comprises the fluid accessories 25b formed by nylon or corrosion resistant metal (such as aluminium bronze).Outlet 25a is provided at one end of accessory 25b, and entrance 25c is provided at the other end of accessory 25b.Accessory 25b is contained in longitudinal opening in tool rack 12 or hole 46.Position above and below the tie point of the entrance 48 in accessory 25b and tool rack 12 provides the O-shape ring 25d around accessory 25b, to provide the sealing between accessory 25b and tool rack 12.The layout of this O-type ring 25d balances the fluid pressure above and below the tie point between accessory 25b and import 48 and is stabilized in longitudinal opening 46 by accessory 25b.The fluid being fed to entrance 48 is guided to outlet 25a by fluid accessories 25b, to penetrate towards the cut end 16 of instrument 14.As shown in Figure 5, entrance 48 is inclined upwardly from the pedestal of tool rack 12 and extends with crossing with longitudinal opening 46.
As shown in Figure 16, tool rack 12 is formed as two parts 12a, 12b for ease of manufacture.These two parts 12a, 12b are by the securing member of pin 12c form and be fixed together by welding.
In the embodiment of shown use in the longwall shearer for exploiting class sapropelitic, potash, phosphate, salt or trona, tool rack 12 is suitable for the revolvable helix drum being connected to digger.
It is to be appreciated that provide the advantage of wearing terrain 24 to be reduce the wearing and tearing of tool rack 12 and instrument 14 due to the wearing and tearing of the sacrificial of wearing terrain 24 between instrument 14 and tool rack.In addition, when wearing terrain 24 is ground away, it can substitute when substituting whole tool rack 12 or instrument 14, because this reducing expense and downtime.And, in wearing terrain 24, be provided for receiving the opening 24b of injection unit 25 to define space between injection unit 25 and wear unit 24, so that replace injection unit 25 when wear unit 24 need not be removed.Equally, by the location of injection unit 25 in tool rack 12, injected liquid is directed near tool tip 16.The prior art systems be placed on by ejector on tool rack does not possess this advantage.Another advantage of shown tool system is the setting of line of weakness 44 in instrument 14, and this setting impels instrument 14 in position inefficacy easily.When not having line of weakness 44, by the risk that there is instrument 14 and lost efficacy below flange 14d, this will make the instrument 14 being difficult to remove inefficacy from tool rack 12.The streamlined in shape of instrument 14 provides the side of reduction to wear and tear, and reduces energy ezpenditure and decreases the generation of dust.
Those skilled in the art are it is to be understood that not deviating from the spirit and scope of the present invention, can carry out multiple variation and/or improvement to above-mentioned detailed description of the invention.Therefore, all aspects of embodiments of the present invention are considered to only be not used in restriction for explaining explanation.The improvement that embodiment is possible includes, but are not limited to:
Tool rack 12 can be integrally formed in the revolvable cutting head of digger, or is connected to the revolvable cutting head of the digger for exploitated ore, and described digger is used for from harder ore body, exploiting mineral, such as iron ore;
Can extend across the first transverse opening 38,40 in instrument 14 and tool rack 12 and pin 42 can be substituted by another locking mechanism or supplement, such as sell, follow closely or clasp, another locking mechanism described flexibly engages with the opening in tool rack 12 and is biased into slidably and engages to be fixed in tool rack by instrument with the opening in instrument 14;
Wearing terrain 24 and injection unit 25 can form, thus make wearing terrain and injection unit be single unit and be replaced as single unit;
Pin 42 is directed in opening 38,40 and becomes 90 degree with the direction shown in accompanying drawing;
Groove can omit and the panel 30 that can remove can be suitable for fixing injection unit 24;
The panel 30 that can remove can omit;
Projection 29 on the panel 30 that can remove can be omitted;
The panel 30 that can remove can be fastened to tool rack 12 and can with the respective transversal retainer snap-lock on instrument 14 engage;
The socket 20 of tool rack 12 can adapt to fill gaps device, and such as instrument 14 is engaged on sleeve wherein, and it can be used as the adapter allowing tool rack 12 to use together from the instrument of different configuration;
Line of weakness can adopt alternative form (such as can by the reduction caliper portion of tool body, the cavity of tool body, or the recess restriction in tool body);
The streamlined in shape of instrument can be omitted;
Wearing terrain 24 can be formed by steel or other materials;
Panel 30 can be formed by other materials, such as, formed by stainless steel or plastics (such as acetyl group); And/or
Injection unit 25 can omit, and the opening 24b in this case in wearing terrain 24 also can omit.
Claims (17)
1. a tool system, described tool system comprises instrument and tool rack,
Described tool rack comprises:
Main body, has interface in this main body;
Described instrument comprises:
From the cut end of orebody mining ore,
Comprise the installation end of bit shank, described bit shank is complementary with described interface and can engage with described interface,
The flange of the horizontal expansion between described installation end and described cut end, described flange can engage with bar so that remove described instrument from described tool rack, and
In described instrument, limit the line of weakness of predetermined failpoint, described line of weakness is positioned on the cut end side of described flange, thus makes described instrument be suitable for retaining the injury-free position inefficacy of described flange.
2. tool system according to claim 1, wherein, described line of weakness extends transversely through described instrument.
3. tool system according to claim 1, wherein, described line of weakness is the form of the groove in described instrument.
4. tool system according to claim 1, wherein, described instrument has streamlined.
5. tool system according to claim 1, wherein, the lateral cross of the bit shank of described instrument is rectangle.
6. tool system according to claim 5, wherein, described instrument comprises front end and heel end, and the contrary side extended between described front end with described heel end, and wherein, the cross section of the part on the cut end side of described line of weakness of described instrument limits a shape, and this shape has the width between described contrary side and the length between described front end and described heel end, and wherein, described width is less than described length.
7. tool system according to claim 6, wherein, described width is reduced to the reduction width point near described heel end from the maximum width points near described front end.
8. tool system according to claim 1, wherein, described instrument comprises abutment surface, when the bit shank of described instrument is engaged in described interface completely, described abutment surface engages to the corresponding abutment surface on described tool rack, and wherein, described horizontal expansion flange towards described instrument cut end separate with the abutment surface of described instrument.
9. tool system according to claim 1, comprise the space of the horizontal expansion be limited between described flange and the relative upper surface of described tool rack, described bar can be laterally inserted in described space also rotate to engaging with the upper surface of described flange and described tool rack, so that remove described instrument from described tool rack.
10., for an instrument for the tool system of digger, described instrument comprises:
From the cut end of orebody mining ore,
Comprise the installation end of bit shank, the interface of described bit shank and tool rack is complementary and can engage with described interface,
The flange of the horizontal expansion between described installation end and described cut end, wherein, in use, when described installation end is engaged in described interface, described flange can engage with bar so that remove described instrument from described tool rack, and
In described instrument, limit the line of weakness of predetermined failpoint, described line of weakness is positioned on the cut end side of described flange, thus makes described instrument be suitable for retaining the injury-free position inefficacy of described flange.
11. tool systems according to claim 10, wherein, described line of weakness extends transversely through described instrument.
12. tool systems according to claim 10, wherein, described line of weakness is the form of the groove in described instrument.
13. tool systems according to claim 10, wherein, described instrument has streamlined.
14. tool systems according to claim 10, wherein, the lateral cross of the bit shank of described instrument is rectangle.
15. tool systems according to claim 14, wherein, described instrument comprises front end and heel end, and the contrary side extended between described front end with described heel end, and wherein, the cross section of the part on the cut end side of described line of weakness of described instrument limits a shape, and this shape has the width between described contrary side and the length between described front end and described heel end, and wherein, described width is less than described length.
16. tool systems according to claim 15, wherein, described width is reduced to the reduction width point near described heel end from the maximum width points near described front end.
17. tool systems according to claim 10, wherein, described instrument comprises abutment surface, described abutment surface is suitable for engaging to the corresponding abutment surface on described tool rack when the bit shank of described instrument is engaged in described interface completely, and wherein, described horizontal expansion flange towards described instrument cut end separate with the abutment surface of described instrument.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2010901134 | 2010-03-18 | ||
| AU2010901134A AU2010901134A0 (en) | 2010-03-18 | Tool system for mining machine | |
| CN201180014622.4A CN102822424B (en) | 2010-03-18 | 2011-03-18 | For the pick of digger, wearing and tearing and installation system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180014622.4A Division CN102822424B (en) | 2010-03-18 | 2011-03-18 | For the pick of digger, wearing and tearing and installation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105370276A true CN105370276A (en) | 2016-03-02 |
| CN105370276B CN105370276B (en) | 2019-02-22 |
Family
ID=44648365
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510800973.8A Expired - Fee Related CN105464661B (en) | 2010-03-18 | 2011-03-18 | For the pick of digger, abrasion and installation system |
| CN201510800917.4A Active CN105464660B (en) | 2010-03-18 | 2011-03-18 | For the pick of digger, abrasion and installation system |
| CN201180014622.4A Active CN102822424B (en) | 2010-03-18 | 2011-03-18 | For the pick of digger, wearing and tearing and installation system |
| CN201510801635.6A Active CN105370276B (en) | 2010-03-18 | 2011-03-18 | For the pick of digger, abrasion and installation system |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510800973.8A Expired - Fee Related CN105464661B (en) | 2010-03-18 | 2011-03-18 | For the pick of digger, abrasion and installation system |
| CN201510800917.4A Active CN105464660B (en) | 2010-03-18 | 2011-03-18 | For the pick of digger, abrasion and installation system |
| CN201180014622.4A Active CN102822424B (en) | 2010-03-18 | 2011-03-18 | For the pick of digger, wearing and tearing and installation system |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20130076102A1 (en) |
| EP (1) | EP2547830A1 (en) |
| CN (4) | CN105464661B (en) |
| AU (2) | AU2011229158A1 (en) |
| WO (1) | WO2011113113A1 (en) |
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| GB201113591D0 (en) * | 2011-08-08 | 2011-09-21 | Hydra Mining Tools Internat Ltd | Mineral cutter tool |
| GB201119486D0 (en) * | 2011-11-11 | 2011-12-21 | Minnovation Ltd | Mineral cutter pick etc |
| GB2551098A (en) * | 2013-06-18 | 2017-12-06 | Esco Corp | Mineral winning pick, pick holder, and combination |
| JOP20140215B1 (en) * | 2013-07-10 | 2023-03-28 | Esco Group Llc | Connector to facilitate lifting of wear parts |
| DE102014112964A1 (en) * | 2014-09-09 | 2016-03-10 | Betek Gmbh & Co. Kg | Chisel, in particular round shank chisel |
| CA2994163A1 (en) | 2015-07-31 | 2017-02-09 | Element Six Gmbh | Cutting bit assembly |
| DE102015112988A1 (en) * | 2015-08-06 | 2017-02-09 | Betek Gmbh & Co. Kg | cutter |
| NL2015672B1 (en) * | 2015-10-28 | 2017-05-29 | Ihc Holland Ie Bv | Tooth retaining and locking system. |
| US10024034B2 (en) * | 2015-11-12 | 2018-07-17 | Joy Global Surface Mining Inc | Methods and systems for detecting heavy machine wear |
| WO2018007652A1 (en) * | 2016-07-06 | 2018-01-11 | Metalogenia Research & Technologies S.L. | Wear or protection system for a tool of a machine for moving earth and corresponding pin |
| CN106321096B (en) * | 2016-08-23 | 2018-02-27 | 山西晋城无烟煤矿业集团有限责任公司 | Coal mining machine roller toothholder positioner |
| CN108825227A (en) * | 2018-08-08 | 2018-11-16 | 徐州徐工基础工程机械有限公司 | Development machine cutter device and development machine |
| AU2020265894B2 (en) * | 2019-04-30 | 2022-01-06 | Idim Pty Ltd | Tool holder assembly |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2011113113A1 (en) | 2011-09-22 |
| AU2012200898A1 (en) | 2012-03-22 |
| CN102822424B (en) | 2015-12-02 |
| AU2012200898C8 (en) | 2015-02-19 |
| CN102822424A (en) | 2012-12-12 |
| AU2012200898B2 (en) | 2012-08-30 |
| CN105464661B (en) | 2018-01-19 |
| EP2547830A1 (en) | 2013-01-23 |
| CN105370276B (en) | 2019-02-22 |
| CN105464660A (en) | 2016-04-06 |
| AU2012200898C1 (en) | 2014-03-06 |
| CN105464661A (en) | 2016-04-06 |
| AU2011229158A1 (en) | 2012-11-08 |
| US20130076102A1 (en) | 2013-03-28 |
| CN105464660B (en) | 2018-12-18 |
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Denomination of invention: Picks, wear and installation systems for excavators Effective date of registration: 20221130 Granted publication date: 20190222 Pledgee: Qilu bank Limited by Share Ltd. Liaocheng Development Zone Branch Pledgor: SOUTHERN ENGINEERING SERVICES Pty Ltd. Registration number: Y2022980024224 |