CN107075831A

CN107075831A - Equipment abrasion member with wear indicator

Info

Publication number: CN107075831A
Application number: CN201580048991.3A
Authority: CN
Inventors: T·M·小康登
Original assignee: Caterpillar Inc
Current assignee: Caterpillar Inc
Priority date: 2014-07-29
Filing date: 2015-07-10
Publication date: 2017-08-18
Anticipated expiration: 2035-07-10
Also published as: US20160032567A1; WO2016018590A1; RU2680621C1; EP3628784A1; CN107075831B; CA2956148A1; BR112017001811A2; ES2774039T3; EP3175047A1; AU2015296954A1; EP3175047B1; AU2015296954B2

Abstract

A kind of abrasion member (300), it includes the main body (301) with front portion, rear portion, top, bottom, inside portion and outside portion.Abrasion member (300) includes preceding feather edge (340), the preceding top edge (338) parallel to preceding feather edge (340), preceding inside edge (346) and preceding outer ledge (344).Abrasion member (300) is included above (314), (314) are limited on anterior (302) before being somebody's turn to do, and are extended between preceding inside edge (346), preceding outer ledge (344), preceding top edge (338) and preceding feather edge (340).Lower wear indicator groove (381) is formed in above (314), parallel to preceding feather edge (340)；Lower wear surface (383) is limited between preceding feather edge (340) and lower wear indicator groove (381).Main body (301) is installed on earth-working implements, so as to which lower wear surface (383) is arranged between installation edge and operation surface.

Description

Equipment abrasion member with wear indicator

Technical field

The present invention relates generally to ground engagement instrument, and more specifically to scraper bowl, shovel and with mining and The ground engagement instrument on other power tools that construction machinery is used together.

Background technology

Tractor, bull-dozer, backhoe, excavator, motor-driven grader and mine truck etc. are different types of to be adopted Ore deposit and Work machine generally move and flattened the soil or material that are mined or load using earthwork shovel.In operation Period, earthwork shovel is continually subjected to contacting the extreme wear caused repeatedly with the height grinding-material that runs into.The earthwork is made The possible cost of replacing of industry shovel and the other equipments used in mining and construction machinery is high and labor intensity is big.

Earthwork shovel can equipped with ground engagement instrument (GET) (such as, cutter head, a set of cutter head or Other abrasion members) it is worn with helping prevent to shovel with other earthwork instruments.Generally, abrasion member can be in tooth, side The form of edge protector, sophisticated or other removable members, these parts can be attached to the appearance of shovel or other instruments The region at most damaging and rubbing and impacting repeatedly.For example, can be surround in the ground engagement instrument of edge protector form The cut edge of equipment is to help prevent it by excessive wear.

In this applications, removable abrasion member can be subjected to coming the abrasion of self-grind and repeated stock, help simultaneously Protect its shovel that can be installed or other equipments.When abrasion member is worn because of use, can remove it and with Reasonable cost replaces with new abrasion member or other ground engagement instruments to allow to be continuing with equipment.By using ground Engagement instrument protects equipment and the ground engagement instrument of abrasion is changed under proper time interval, can significantly save into Sheet and time.

Protect the achievable cost of heavy-duty machines equipment and saving of time can be by as follows by using abrasion member Mode is further improved：Increase abrasion member cut-out operation in the case where not significantly increasing making abrasion member material requested The service life of the ability and extension abrasion member of material in itself.The abrasion member being currently known is (especially by using all Such as International Organization for standardization's (ISO) standardised configuration is come the abrasion member that constructs) it is likely encountered efficiency.Marked by ISO The problem that some abrasion members that standard is constructed run into is " skiing effect ", i.e. the abrasion member newly installed will be plunderred only The top of operation surface is crossed until enough appropriate operation surfaces of influence that has partly been worn of the abrasion member are penetrated.This Exist always for improving abrasion member system to improve abrasion efficiency and cutting effect, so as to improve earthwork machine in field The need for the efficiency and raising Global Operation productivity ratio of tool.

It should be understood that inventor, which makes background technology description, is to aid in reader's understanding, and it is not considered that the description The problem of representing any pointed has all been realized in the art in itself.Although in some respects with retouched in embodiment The problem of principle stated can alleviate intrinsic in other systems, it should be appreciated that the scope for the innovation protected is by appended right Claim limits to limit, rather than by the ability of any disclosed feature solution any particular problem noted herein.

The content of the invention

In one embodiment, the present invention describes a kind of abrasion member for earth-working implements.Abrasion member bag Include the main body with front portion, rear portion, top, bottom, inside portion and outside portion.Abrasion member is included along between anterior and bottom Preceding bottom interface the preceding feather edge that limits of at least a portion, the preceding feather edge is aligned with longitudinal axis.Abrasion member includes edge The preceding top edge that at least a portion at the sinciput interface between anterior and top is limited.Preceding top edge is roughly parallel to preceding base Edge.Abrasion member includes the preceding inner side edge limited along at least a portion at the preceding inner side interface between preceding inside portion and front portion Edge and along the preceding outside interface between outside portion and front portion at least a portion limit preceding outer ledge.Abrasion member It is included on front portion before limiting.Above prolong between preceding inside edge, preceding outer ledge, preceding top edge and preceding feather edge Stretch.Lower wear indicator groove formation is roughly parallel to preceding feather edge in above, and lower wear surface is limited at preceding base Between edge and lower wear indicator groove.Main body is configured to be mounted to earth-working implements, so as to which lower wear surface is arranged on Between the installation edge and operation surface of earthwork shovel.

In another embodiment, the present invention describes a kind of abrasion member for earth-working implements.Abrasion member Including the main body with front portion, rear portion, top, bottom, inside portion and outside portion.Abrasion member include along it is anterior with bottom it Between preceding bottom interface at least a portion limit preceding feather edge.Preceding feather edge is aligned with longitudinal axis.Abrasion member includes edge The preceding top edge that at least a portion at the sinciput interface between anterior and top is limited.Preceding top edge is roughly parallel to preceding base Edge.Preceding inside edge of the abrasion member including at least a portion restriction along the preceding inner side interface between inside portion and front portion, And the preceding outer ledge that at least a portion along the preceding outside interface between outside portion and front portion is limited.Abrasion member includes Before being limited on front portion, before between preceding inside edge, preceding outer ledge, preceding top edge and preceding feather edge extend. Abrasion member includes：Before being arranged between top edge and preceding feather edge before on front lower notching edge.Front lower notching edge It is roughly parallel to preceding feather edge.Abrasion member includes fore edge, fore edge formed in above and by front lower notching edge and Sinciput fringe enclosing.Abrasion member includes：The preceding lower surface that is limited between front lower notching edge and preceding feather edge and by It is limited to the fore edge surface between front lower notching edge and preceding top edge.Fore edge surface is along perpendicularly to the longitudinal axis The side of normal direction axis is upwardly deviated from preceding lower surface.Abrasion member includes lower wear indicator groove, lower wear indicator groove type In Cheng Qian lower surfaces, preceding feather edge is roughly parallel to, and lower wear surface is limited at preceding feather edge and lower wear indicator On preceding lower surface between groove.Main body is configured to be mounted to earth-working implements, so as to which lower wear surface is arranged on into the earthwork Between the installation edge and operation surface of operation shovel.

In another embodiment, the present invention describes a kind of abrasion member for earth-working implements.Abrasion member Including the main body with front portion, rear portion, top, bottom, inside portion and outside portion.Abrasion member include along it is anterior with bottom it Between preceding bottom interface the preceding feather edge that limits of at least a portion, and preceding feather edge is aligned with longitudinal axis.Abrasion member bag Include the preceding top edge limited along at least a portion at the sinciput interface between anterior and top.Before preceding top edge is roughly parallel to Feather edge.Abrasion member includes the preceding inner side edge limited along at least a portion at the preceding inner side interface between inside portion and front portion Edge.Abrasion member includes the preceding outer ledge limited along at least a portion at the preceding outside interface between outside portion and front portion. Abrasion member is included on front portion limit before.Above on preceding inside edge, preceding outer ledge, preceding top edge and preceding base Extend between edge.Abrasion member includes：Before being arranged between top edge and preceding feather edge before on front lower notching edge.Before Lower cut edge is roughly parallel to preceding feather edge.Preceding upper cut edge be arranged on before between top edge and front lower notching edge before On face.Preceding upper cut edge is roughly parallel to preceding top edge.Abrasion member includes being limited at front lower notching edge and preceding base Preceding lower surface between edge.Abrasion member includes：Preceding upper surface before being limited between top edge and preceding upper cut edge, with And it is limited at the fore edge surface between front lower notching edge and preceding upper cut edge.Fore edge surface is along perpendicular to vertical Lower surface and preceding upper surface before being upwardly deviated to the side of the normal direction axis of axis.Abrasion member includes：Formed in preceding lower surface And be roughly parallel to the lower wear indicator groove of preceding feather edge and be limited at preceding feather edge and lower wear indicator groove Between preceding lower surface on lower wear surface.Abrasion member includes：Form top edge in preceding upper surface and before being roughly parallel to Upper wear indicator groove and preceding upper surface before being limited between top edge and upper wear indicator groove on it is upper Wear surface.Main body is configured to be mounted to earth-working implements, optionally to set lower wear surface or upper wear surface Between the installation edge and operation surface that earthwork is shoveled.

The other and alternative aspect and feature of disclosed principle will be understood from detailed further below and accompanying drawing. As should be understood, the principle relevant with end cut cutter head disclosed herein can be other and do not carry out in be the same as Example real Apply, and modification can be made in many aspects.Correspondingly, it should be appreciated that foregoing general description and it is detailed further below all only It is exemplary and illustrative and does not limit the scope of the appended claims.

Brief description of the drawings

Fig. 1 is the schematic side elevation view of the embodiment of the machine for the embodiment for including earth-working implements, the earthwork Work tool includes the abrasion member of constructed according to principles of the present invention.

Fig. 2 is the front view of Fig. 1 earth-working implements.

Fig. 3 is the front, left perspective view of the embodiment of the abrasion member of constructed according to principles of the present invention.

Fig. 4 is the right rear view of Fig. 3 abrasion member.

Fig. 5 is the right side view of Fig. 3 abrasion member.

Fig. 6 is the front, right perspective view of another embodiment of the abrasion member of constructed according to principles of the present invention.

Fig. 7 is the front, right perspective view of another embodiment of the abrasion member of constructed according to principles of the present invention.

Fig. 8 is the front, left perspective view of Fig. 3 of constructed according to principles of the present invention abrasion member, and the abrasion member includes Lower wear indicator groove.

Fig. 9 is the right side view of Fig. 8 abrasion member.

Figure 10 is the front, right perspective view of another embodiment of the abrasion member of constructed according to principles of the present invention, the mill Damaging component has lower wear indicator groove.

Figure 11 is the front, right perspective view of another embodiment of the abrasion member of constructed according to principles of the present invention, the mill Damaging component has lower wear indicator groove.

Figure 12 is the front, right perspective view of another embodiment of the abrasion member of constructed according to principles of the present invention.

Figure 13 is the front, right perspective view of another embodiment of the abrasion member of constructed according to principles of the present invention.

Figure 14 is the right side view of Figure 13 abrasion member.

Figure 15 is the front, right perspective view of the embodiment of the abrasion member of constructed according to principles of the present invention, the abrasion member With lower wear indicator groove and upper wear indicator groove.

Figure 16 is the right side view of Figure 15 abrasion member.

Figure 17 is front, right perspective view of Figure 15 abrasion member after the first abrasion member life-span.

Figure 18 is front, right perspective view of Figure 15 abrasion member after the second abrasion member life-span.

Figure 19 is the front, right perspective view of another embodiment of the abrasion member of constructed according to principles of the present invention, the mill Damaging component has lower wear indicator groove and upper wear indicator groove.

Figure 20 is the right side view of Figure 19 abrasion member.

Figure 21 is front, right perspective view of Figure 19 abrasion member after the first abrasion member life-span.

Figure 22 is front, right perspective view of Figure 19 abrasion member after the second abrasion member life-span.

Figure 23 is that the part of the abrasion member of Figure 11 according to the principles of the present invention for being mounted to earth-working implements is left Front perspective view.

Figure 24 is the partial left side view that Figure 23 abrasion member and operation surface are engaged.

Figure 25 is the part side view engaged according to the principle of the present invention come the Figure 19 constructed abrasion member with operation surface Figure.

Embodiment

The present invention relates to ground engagement tool assembly and system, more particularly to used in various types of mining machines, soil Earth-working implements abrasion member, cutter head or cut edge in square Work machine and construction machinery.Fig. 1 is shown In the embodiment of the machine 50 of caterpillar tractor form, machine 50 can include the machine of constructed according to principles of the present invention Has the embodiment of abrasion member 100.In addition to other purposes, caterpillar tractor can be used in a variety of surface minings or Moved in other construction applications and remove work materials.

As illustrated in fig. 1, machine 50 can include main body 52, and main body 52, which has, to be used to house driving for Machine Operator Sail room 54.Machine 50 can also include arm system 56, and arm system 56 is pivotally connected to main body 52 or chassis simultaneously at one end And in relative far-end support earth-working implements component 60.In embodiment, equipment component 60 can include any suitable Equipment, the appropriate device of any other type that such as earthwork is shoveled or can be used together with abrasion member 100.Institute The machine 50 of diagram also includes thermomechanical components 62 of loosening the soil, and thermomechanical components of loosening the soil 62 have the loosenning tiller 64 relative with equipment component 60.Pine Native machine 64 can be used for cutting off or smash work materials to remove it.Control system can be placed in driver's cabin 54, its It may be adapted to：Allow Machine Operator manipulate and connect equipment component 60 and/or loosen the soil thermomechanical components 62 with carry out digging, excavation, Or any other suitable application.

Fig. 2 shows the embodiment of equipment component 60.Reference picture 2, equipment component 60 can include earthwork shovel 66, soil Fang Zuoye shovels 66, which can have, installs edge 68, installs edge 68 and is suitable to connect with ground or other excavations or operation surface Close.Edge 68 is installed to may be adapted to accommodate multiple abrasion members, including middle cutter head or cut edge 900 and end Cutter head 300 and 500.End cut cutter head 300 and 500 respectively can be at the first shovel end 74 and at the second shovel end 72 It is arranged on installation edge 68.In certain embodiments, it is attached to the end cut for the first shovel end 74 for installing edge 68 Cutter head 300 can be attached to install edge 68 second shovel end 72 end cut cutter head 500 it is symmetrical.In illustrated reality Apply in example, middle cut edge 900 can be installed along the installation edge 68 between end cut cutter head 300 and 500.Often Individual middle cut edge 900 can have cut edge 76, and cut edge 76 can connect during machine is operated with work materials Touch.Although Fig. 2 illustrates cut edge 900 in the middle of two end cutter heads 300 and 500 and three, appoint but it is envisioned that can use The different shape of what quantity and the end cutter head of size and middle cut edge.It is envisioned in some embodiments that without using centre Cut edge, and in other embodiments it is contemplated that shoveled without using end cutter head and middle cut edge from earthwork or The first end of the other equipments of person is crossed over to the second end.Pass through Reusability, the He of end cut cutter head 300 of abrasion member 500th, middle cut edge 900 or any other combination can through it is frayed and may finally be exchanged in order to allow into One step uses equipment component 60.

Although Fig. 1 and Fig. 2 illustrate some embodiments and crawler belt of the abrasion member of constructed according to principles of the present invention The shovel of formula tractor is used together, but the equipment of many other types and mining and construction machinery can also be benefited from and use this Abrasion member described by text.It should be understood that in other embodiments, the abrasion member of constructed according to principles of the present invention can be with In a variety of other equipments and/or machine.

Fig. 3 to Fig. 5 illustrates the view of the embodiment of abrasion member, specifically illustrates end cut cutter head 100.Such as will Discuss, the particular geometric configuration of end cut cutter head 100 can provide increased wear-out life.Reference picture 3 is to Fig. 4, end Cutter head 100 can be formed by the main body 101 that can have substantially trapezoidal shape.Main body 101 can have front portion 102, Rear portion 104, top 106, bottom 108, inside portion 110 and outside portion 112.There may be interface between each adjacent part. Specifically, before sinciput interface 118 may reside between top 106 and front portion 102, and preceding bottom interface 120 may reside in Between portion and bottom 108.Preceding outside interface 122 may reside between front portion 102 and outside portion 112, and preceding inner side interface 124 may reside between anterior and inside portion 110.Outer bottom interface 126 may reside between bottom 108 and outside portion 112, And interior bottom interface 128 may reside between inside portion 110 and bottom 108.In addition, rear outside interface 130 may reside in Between outside portion 112 and rear portion 104, and rear inner side interface 132 may reside between inside portion 110 and rear portion.Hou Di circle Face 134 may reside between rear portion 104 and bottom 108, and Hou Ding interfaces 136 may reside in top 106 with rear portion it Between.Finally, in certain embodiments, Wai Ding interfaces 135 may reside between outside portion 112 and top 106, and Nei Ding circle Face 137 may reside between inside portion 110 and top.

In certain embodiments, multiple mounting holes 109 can be formed in main body 101, thus the front portion 102 of main body with Passage is produced between rear portion 104.Mounting hole 109, which may be adapted to accommodate, installs hardware, such as bolt, screw, rivet or is suitable to End cut cutter head 100 is fixed to other installation tools of equipment.In certain embodiments, mounting hole 109 can be embedded to, with Just the smooth surface flushed is provided on front portion 102.Although the implementation that Fig. 3 is illustrated into Fig. 4 is illustrated suitable for accommodating six sets Six mounting holes 109 of hardware are installed, but it is envisioned that any amount of mounting hole can be used in other embodiments.It is contemplated that can So that end cut cutter head 100 or other abrasion members are attached into earthwork shovel or other using installation method is substituted Equipment.

Each interface in main body 101 can limit one or more edges, and one or more edges can be in main body Defining surface.Specifically, preceding top edge 138 can be set along sinciput interface 118, and preceding feather edge 140 can be along At least a portion of bottom interface 120 between inside portion 110 and outside portion 112 is set.Preceding outer ledge 144 can be along sinciput Preceding outside interface 122 between edge 138 and preceding feather edge 140 is set, and preceding inside edge 146 can be along preceding top edge Preceding inner side interface 124 between 138 and preceding feather edge 140 is set.In addition, main body 101 can include：Along preceding feather edge with after Outer bottom edge 148 that outer bottom interface 126 between portion 104 is set and along the Nei Dijie between preceding feather edge 140 and rear portion The interior feather edge 150 that face 128 is set.Afterwards outer ledge 152 can be set along rear outside interface 130 and top 106 with Extend between outer bottom edge 148, and rear inside edge 154 can be along the rear inner side circle between top and interior feather edge 150 Face 132 is set.Afterwards top edge 156 can be set along Hou Ding interfaces 136 and outer back edge 152 and interior back edge 154 it Between extend, and rear feather edge 158 can be set along the rear bottom interface 134 between outer back edge and interior back edge.Further Ground, in certain embodiments, outer top edge 160 can be along the Wai Ding interfaces between preceding top edge 138 and rear top edge 156 135 are limited, and interior top edge 162 can be limited along the Nei Ding interfaces 137 between preceding top edge and rear top edge.At some In embodiment, multiple edges can be carried out to chamfering to form the round edge and fillet of main body 101.It is contemplated, however, that main body 101 Edge can have wedge angle, angled chamfer or any other suitable shape.

As being best shown in Fig. 3 into Fig. 4, the front portion 102 of main body 101 can limit above 114.Above 114 can To extend between preceding inside edge 146, preceding outer ledge 144, preceding top edge 138 and preceding feather edge 140.Main body 101 can To be configured to be attached to the installation edge 68 of earth-working implements 60 so that above 114 side for facing away from earth-working implements To.Above 114 can include the front lower notching edge 116 between preceding feather edge 140 and preceding top edge 138.Fore edge 115 can be with Formed in above 114.Fore edge 115 can be defined by front lower notching edge 116 and preceding top edge 138, and cut surface 119 can be limited by fore edge.Preceding lower surface 117 can be limited to before between feather edge 140 and front lower notching edge 116 before On face 114, and fore edge surface 119 can be limited between front lower notching edge and preceding top edge 138 before on. In some embodiments, front lower notching edge 116 can be roughly parallel to preceding feather edge 140, but be also contemplated within other geometrical orientations.Before Inside edge 146 can include：Along the preceding inner side interface 124 between inside portion 110 and front portion 102 adjacent to preceding lower surface 117 Interior lower anterior 141 limited.Transition seam 121 can be formed before between front lower notching edge 116 and preceding top edge 138 In 114.Fore edge surface 119 can include：It is limited at the preceding transition between transition seam 121 and front lower notching edge 116 Notch 123, and the preceding base notch 125 being limited between transition seam and preceding top edge 138.Therefore, in some realities Apply in example, before 114 include：Preceding lower surface 117, the preceding transition notch 123 on fore edge surface 119, and fore edge surface Preceding base notch 125.In certain embodiments, lower surface 117 before preceding base notch 125 can be roughly parallel to, and mistake Cross notch 123 in an angularly can be connected with the two parts, so that preceding base notch is on the direction towards rear portion 104 Lower surface before deviateing.However, being also contemplated within other non-parallel surfaces orientation.

Main body 101 is additionally may included on rear portion 104 limit behind 127.Next 127 can rear inside edge 154, Extend afterwards between outer ledge 152, rear top edge 156 and rear feather edge 158.Next 127 can include：It is arranged on rear base Rear lower cut edge 129 between edge 158 and rear top edge 156.Otch 139 can form in below 127 and can be with afterwards Defined by rear lower cut edge 129 and rear top edge 156.Next 127 may further include：Rear feather edge can be limited at Rear lower surface 131 between 158 and rear lower cut edge 129；And can be between rear lower cut edge and rear top edge 156 Rear otch 139 limit rear cut surface 133.Cut surface 133 can include rear transition notch 149 and rear base otch afterwards Portion 151.In certain embodiments, rear base notch 151 can be flat and be roughly parallel to preceding base notch 125.In addition, in certain embodiments, rear lower surface 131 can be roughly parallel to preceding lower surface 117, but be also contemplated within other non-flat Row geometrical orientation.

For diagrammatic purposes, accompanying drawing indicates normal direction axis 80, axis of pitch 90 and longitudinal axis 85, all these Axis is defined as vertically.In Fig. 3 into Fig. 5, for diagrammatic purposes, make 101 pairs of the main body of end cut cutter head 100 Standard, so that preceding feather edge 140 is defined as substantially along longitudinal axis 85, and interior lower anterior 141 and axis of pitch 90 alignments.

Referring now to Fig. 5, the following ratio between some size characteristics of abrasion member 100 is not intended to exhaustion, and It is the example of the geometry ratio of the only size of abrasion member disclosed herein.Main body 101 can have in preceding lower surface The body thickness A measured between 117 and below 127 (or more specifically, rear lower surface 131) along normal direction axis 80.It is main Body 101 can have the main body for being measured as preceding distance between feather edge 140 and preceding top edge 138 along axis of pitch 90 high Spend B.Main body 101 can have the transition seam measured between preceding feather edge 140 and transition seam 121 along axis of pitch 90 Height C.Preceding lower surface 117 can have be measured as before between feather edge 140 and front lower notching edge 116 along axis of pitch The front lower apparent height D of 90 distance.Feather edge 158 can have along axis of pitch 90 in preceding feather edge 140 and rear bottom afterwards The rear feather edge height E measured between edge 158.Lower surface 131 can have along axis of pitch 90 in preceding feather edge 140 afterwards The rear lower surface height F measured between rear lower cut edge 129.Top edge 156 can have and exist along axis of pitch 90 afterwards The rear top edge height G measured between preceding top edge 138 and rear top edge 156.Can be along normal direction axis at top section view edge Measurement top section view depth H between 190 and rear top edge 156.Can be along normal direction axis 80 in bottom frayed edges 177 and rear base Bottom section view depth I is measured between edge 158.Main body 101 can have cuts along normal direction axis 80 in preceding base notch 125 and rear base The otch thickness J measured between oral area 151.Above the fore edge 115 in 114 can have be measured as before lower surface 117 with Between preceding base notch 125 along normal direction axis 80 distance fore edge depth K.

In certain embodiments, the ratio between front lower apparent height D and body height B can be in about 1: 10 and about 3: 10 Between or in other embodiments between about 3: 20 and about 1: 5.In certain embodiments, it is preceding Ratio between lower surface height D and body height B can be about 1: 5 or be about 3: 20 in other embodiments.

In certain embodiments, the ratio between fore edge depth K and body thickness A can about 1: 10 with about 1: 5 it Between in the range of or in other embodiments between about 2: 25 and about 4: 25.In certain embodiments, it is preceding to cut Ratio between mouth depth K and body thickness A can be about 3: 22 or be about 3: 25 in other embodiments.

In certain embodiments, the ratio between body thickness A and otch thickness J can be in certain embodiments about 1: Between 1 to about 2: 1 or in other embodiments between about 1: 1 and about 3: 2 or other In embodiment between about 5: 4 and about 3: 2.In certain embodiments, between body thickness A and otch thickness J Ratio can be at least about 3: 2.In certain embodiments, the ratio between body thickness A and otch thickness J can be about 11: 8 or be about 5: 4 in other embodiments.

In certain embodiments, the ratio between rear lower surface height F and body height B can be in about 1: 10 and about 1: 4 Between or in other embodiments between about 3: 20 and about 1: 5.In certain embodiments, after Ratio between lower surface height F and body height B can be about 1: 5 or be about 7: 40 in other embodiments.

In certain embodiments, the ratio between top section view depth H and body thickness A can be between about 1: 2 and about 1: 1 In the range of or in other embodiments between about 1: 2 and about 3: 5.In certain embodiments, top section view is deep The ratio spent between H and otch thickness J can be between about 3: 4 and about 1: 1 and in other embodiments about Between 7: 8 and about 1: 1 and in other embodiments between about 13: 16 and about 13: 19.One In a little embodiments, ratio between bottom section view depth I and body thickness A can between about 3: 4 and about 1: 1, with And in other embodiments between about 7: 8 and about 1: 1 and in other embodiments in about 19: 22 and about 22: Between 25.

By increasing the service life of abrasion member, while weight and material are reduced as far as, with chi described herein Very little abrasion member, which can aid in, maximizes the efficiency of abrasion member.Each embodiment of end cut cutter head 100 is for example Otch thickness J with the relative narrower compared with subject depth A.This depth and thickness ratio can be reduced as far as being used for Manufacture and be not exposed to the material used in the abrasion member in the region (such as cutout regions) for scraping and rubbing repeatedly with operation surface Material.On the contrary, there is increased thickness exposed to the region of operation surface, to increase wear-out life.That is, disclosed herein Many abrasion members (such as end cut cutter head 100 and cut edge 800) make region (such as end cut cutter head needed most 100 bottom 108) material at most, while making region (such as end cut cutter head 100 used exposed to less damageability Top 106) in material it is minimum.

Fig. 6 shows another embodiment of abrasion member, specifically another end cut cutter head 200, itself and end Portion's cutter head 100 is substantially symmetric.End cut cutter head 200 can be formed by the main body 201 that can have substantially trapezoidal shape. Main body 201 can have front portion 202, rear portion 204, top 206, bottom 208, inside portion 210 and outside portion 212.Although end Not each feature of cutter head 100 is showed on end cut cutter head 200 in figure 6, it is to be understood that, end cut Cutter head 200 is included to end cut cutter head 100 in Fig. 3 to the similar feature of those features described in Fig. 5.Due to end Portion's cutter head 200 and end cut cutter head 100 are substantially symmetric, therefore end cut cutter head 200 can be configured to be arranged on soil Square work tool is shoveled on one end relative with end cut cutter head 100.

Fig. 7 shows another embodiment of abrasion member, specifically another implementation of end cut cutter head 400 Example.End cut cutter head 400 can be formed by the main body 401 that can have substantially trapezoidal shape.Main body 401 can have front portion 402nd, rear portion 404, top 406, bottom 408, inside portion 410 and outside portion 412.Main body 401 can be included in anterior 402 upper limit 414 before fixed.It is similar with end cut cutter head 100, before 414 formed by lower fore edge edge 416 and the boundary of preceding top edge 438 Fixed fore edge 415.Above 414 define preceding base notch 425 and preceding lower surface 417.Although before end cut cutter head 100 Not each feature in face 114 is showed on end cut cutter head 400 in the figure 7, it will be appreciated that end cut cutter head 400 Before 414 include it is similar in Fig. 3 those features above described and shown on 114 into Fig. 5 with end cut cutter head 100 As feature.Although end cut cutter head 400 is with 427, end cut cutter head 400 behind being arranged on rear portion 404 End cut cutter head 100 and 200 is different from, because the rear otch that end cut cutter head 400 is formed in not being included in below.Phase Instead, 427 can be about flat behind, and be roughly parallel to above 414 preceding base notch 425.

Fig. 8 to Fig. 9 shows another embodiment of abrasion member, specifically another end cut cutter head 300.End Portion's cutter head 300 is approximately similar to Fig. 3 to the end cut cutter head 100 shown in Fig. 5, and difference is end cut knife First 300 include lower wear indicator groove 381 and lower wear surface 383.Although not each feature of end cut cutter head 100 is equal Show Fig. 8 on the end cut cutter head 300 into Fig. 9, but it is to be understood that except wear indicator groove 381 and lower mill Damage face 383, end cut cutter head 300 also include with Fig. 3 into Fig. 5 relative to described in end cut cutter head 100 and shown that The roughly the same feature of a little features.Specifically, end cut cutter head 300 can be by that can have the main body of substantially trapezoidal shape 301 form.Main body 301 can have front portion 302, rear portion 304, top 306, bottom 308, inside portion 310 and outside portion 312.

Main body 301 can comprise additionally in preceding feather edge 340, its along front portion 302 and bottom 308 between preceding bottom interface 320 at least a portion is limited.Preceding feather edge 340 is aligned with longitudinal axis 85.Preceding top edge 338 can be along anterior 302 Hes At least a portion at the sinciput interface 318 between top 306 is limited.Preceding top edge 338 can be roughly parallel to preceding feather edge 340, or be substantially aligned with longitudinal axis 85.Preceding inside edge 346 along inside portion 310 and front portion 302 between preceding inner side circle At least a portion in face 324 is limited.Preceding outer ledge 344 can be along the preceding outside interface between outside portion 312 and front portion 302 322 at least a portion is limited.314 it can above be limited on front portion 302.Above 314 can be in preceding inside edge 346, preceding Extend between outer ledge 344, preceding top edge 338 and preceding feather edge 340.Front lower notching edge 316 can be arranged on preceding top margin On 314 before between edge 338 and preceding feather edge 340.Front lower notching edge 316 can be roughly parallel to preceding feather edge 340.Before Otch 315 can be formed in above 314, and is defined by front lower notching edge 316 and preceding top edge 338.Preceding lower surface 317 can To be limited between front lower notching edge 316 and preceding feather edge 340.Preceding inside edge 346 can be interior including interior lower anterior 341 Lower anterior 341 are defined as along the preceding inner side interface 324 between inside portion 310 and front portion 302 adjacent to preceding lower surface 317.Separately Outside, fore edge surface 319 can be limited by the fore edge 315 between front lower notching edge 316 and preceding top edge 338.Fore edge Lower surface 317 before surface 319 can deviate along the direction of normal direction axis 80.Fore edge transitional surface 323 can be limited at Between preceding lower surface 317 and fore edge surface 319.In certain embodiments, preceding lower surface 317 can be roughly parallel to fore edge At least a portion on surface 319.

In Fig. 8 into Fig. 9, for convenience of description, the main body 301 of end cut cutter head 300 is aligned so that preceding feather edge 340 85 limit substantially along a longitudinal axis, and interior lower anterior 341 are aligned with axis of pitch 90.Lower wear indicator groove 381 can With formed with preceding feather edge 340 it is almost parallel before in 314.In certain embodiments, lower wear indicator groove 381 can To be formed between preceding feather edge 340 and front lower notching edge 316.Although the lower wear indicator groove shown in Fig. 8 to Fig. 9 Such as 381 have circular soft profile, but it is also possible to contemplate other contour shapes, wedge-shaped or other angles.Lower wear surface 383 can be with Before being limited between feather edge 340 and lower wear indicator groove 381.As shown in figure 9, lower wear indicator height L can be Measured between preceding feather edge 340 and lower wear indicator groove 381 along axis of pitch 90.Wear indicator depth X can To be measured along normal direction axis 90 between behind preceding feather edge 340 and lower wear indicator groove 381.In some realities Apply in example, the lower wear indicator height L and master measured between preceding feather edge 340 and preceding top edge 338 along axis of pitch Ratio between body height B can be within the scope of about 1: 20 to about 1: 5, or in other embodiments about 1: 10 to about Within the scope of 3: 25.In certain embodiments, measured between preceding feather edge 340 and preceding top edge 338 along axis of pitch Lower wear indicator height L and body height B between ratio can at least about 1: 10.In certain embodiments, preceding Between the lower wear indicator height L and body height B that are measured between feather edge 340 and preceding top edge 338 along axis of pitch Ratio can be about 13: 100 or can be approximately 1: 10 in other embodiments.In certain embodiments, wear indicator Ratio between depth X and body thickness A can be between about 1: 20 to about 2: 5, or in other embodiments about 1: 10 To between about 1: 5, or in other embodiments about between 1: 8 to about 1: 6.In certain embodiments, wear indicator is deep The ratio spent between X and body thickness A can be about 13: 100, or be about 4: 25 in other embodiments.

Wear indicator groove (all following wear indicator grooves 381) is it is determined that when end cut cutter head 300 needs Being replaced by new end cut cutter head or other abrasion members to play an important role.With such as Fig. 8 into Fig. 9 Lower wear indicator groove 381 embodiment in, main body 301 be configurable to be arranged on earth-working implements on, so as to will Lower wear surface 383 is arranged between the installation edge of earthwork shovel and operation surface (such as ground).Due to having used outfit The earth-working implements (all as shown in Figure 3 shovel 66) of end cut cutter head 300, bottom 308 can be against operation surface Gradually wear out.When main body 301 is installed on earth-working implements so that lower wear surface 383 is arranged on the installation side of shovel When between edge and operation surface, when operator or other observers easily visually can observe bottom 308 Wear surface 383 is until lower indicator groove 381 under wearing away entirely.Because lower wear surface 383 is mounted relative to operation surface The lower section at edge is being installed, so installing edge will not be damaged by operation surface, otherwise this its will cause earth-working implements Expensive maintenance cost.Using visually observable wear indicator groove, it is all as described herein that, can be by carrying Determine when to change abrasion member for simple mode, without adjusting the degree of wear on abrasion member in more detail Look into, so as to be favorably improved operating efficiency.In addition, within a particular mode of operation, before 314 can be subjected to work materials (such as Building stones, rock, soil or other materials) serious friction contact.In this operating mode, the material on the front portion 302 of main body 301 Material can be worn away, so that above 314 deterioration.At certain point being worn in enough parts of main body 301, mill Above 314 will be no longer different from by damaging indicator groove (all following wear indicator grooves 381).At this point, operator or another One observer can identify that wear indicator can not be seen again, and determine whether to change abrasion member 300.

Figure 10 shows another embodiment of abrasion member, specifically another end cut cutter head 500, itself and end Portion's cutter head 300 is substantially symmetric.End cut cutter head 500 can be formed by the main body 501 that can have substantially trapezoidal shape. Main body 501 can have front portion 502, rear portion 504, top 506, bottom 508, inside portion 510 and outside portion 512.Although end Not each feature of cutter head 300 is showed on end cut cutter head 500 in Fig. 10, but it is to be understood that end Cutter head 500 includes in Fig. 3 to described in Fig. 5 and end cut cutter head 300 existing with end cut cutter head 100 Fig. 8 is to the similar feature of those features described in Fig. 9, including lower wear indicator groove 581 and lower wear surface 583.Because end cut cutter head 500 and end cut cutter head 300 are substantially symmetric, therefore end cut cutter head 500 can be configured Into being arranged on one end of relative with end cut cutter head 300 earth-working implements shovel.

Figure 11 shows another embodiment of abrasion member, specifically another implementation of end cut cutter head 600 Example.End cut cutter head 600 can be formed by the main body 601 that can have substantially trapezoidal shape.Main body 601 can have front portion 602nd, rear portion 604, top 606, bottom 608, inside portion 610 and outside portion 612.Main body 601 can be included in anterior 602 upper limit 614 before fixed.It is similar with end cut cutter head 300, before 614 formed by lower fore edge edge 616 and the boundary of preceding top edge 638 Fixed fore edge 615.Above 614 define preceding base notch 625 and preceding lower surface 617.It is also similarly to end cut cutter head 300, before 614 can include lower wear indicator groove 681 and lower wear surface 683.Although before end cut cutter head 300 314 not each feature is showed on end cut cutter head 600 in fig. 11, but it is to be understood that end cut cutter head 614 are included with end cut cutter head 300 in those feature phases above described and shown on 314 into Fig. 9 Fig. 8 before 600 Similar feature.Although end cut cutter head 600 is with 627, end cut cutter head behind being arranged on rear portion 604 600 are different from end cut cutter head 300 and 200, and its reason is not at least because end cut cutter head 600 is included in middle shape below Into rear otch.On the contrary, 627 can be about flat below, and above 614 preceding base notch 625 is roughly parallel to.

Figure 23 to Figure 24, which is shown, to be arranged on the installation edge 68 of earth-working implements (such as earthwork shovel 66) End cut cutter head 600.As shown in Figure 24, main body 601 is arranged on earthwork shovel 66 so that lower wear surface 683 is set Put and installing between edge 68 and operation surface 25 (such as soil, gravel or any other suitable material).Imaginary operation At surface line 27 represents the bottom 604 of main body 601 by certain point with contacting repeatedly for operation surface 25 after wearing away Operation surface level.As illustrated, main body 601 may be arranged so that when operation surface level reaches lower wear indicator groove During 681 level, the installation edge 68 of earthwork shovel 66 is not in contact still with operation surface.Therefore, when operator or its When its observer identifies that end cut cutter head 600 has worn out the level of lower wear indicator groove 683, end can be changed Portion's cutter head 600, the risk without damaging earth-working implements.It will be appreciated that though the end cut knife shown in Figure 24 First 600 have lower wear indicator groove 681, but appoint it is contemplated that having in the embodiment of any abrasion member disclosed herein The wear indicator groove of which kind of class, such as end cut cutter head 300,500,700, and cut edge 900,1000 can install On all earth-working implements as shown in Figure 24 and with identical effect.

Figure 12 shows another embodiment of abrasion member, specifically another implementation of end cut cutter head 700 Example.End cut cutter head 700 can be formed by the main body 701 that can have substantially trapezoidal shape.Main body 701 can have front portion 702nd, rear portion 704, top 706, bottom 708, inside portion 710 and outside portion 712.Main body 701 can include above 714, its limit On front portion 702 before being scheduled between top edge 738 and preceding feather edge 740.With end cut cutter head 300 phases of the Fig. 8 into Fig. 9 Seemingly, 714 can include the lower wear indicator groove 781 between feather edge 740 and preceding top edge 738 before being arranged on before.Separately Outside, 714 include the lower wear surface 783 between feather edge 740 and lower wear indicator groove 781 before being arranged on before.At some In embodiment, lower wear indicator groove 781 can be roughly parallel to preceding feather edge 740, but it is also possible to contemplate other non-parallel Embodiment.Different from end cut cutter head 300,500, the end cut cutter head 700 shown in Figure 12 neither forms fore edge Also otch after not formed.On the contrary, above 714 generally flat, and behind being roughly parallel on rear portion 704 and being formed 727.It will be appreciated that though it is not specifically illustrated in fig. 12, but it is associated with Fig. 8 to Fig. 9 lower wear indicator groove 381 Size and ratio be readily applicable to lower wear indicator groove 781 shown in Figure 12.

Figure 13 to Figure 14 shows the schematic diagram of another embodiment of abrasion member, specifically cut edge 800.Just As will be discussed, the specific geometry of cut edge 800 can provide longer wear-out life and multiple service lifes.Ginseng According to Figure 13 to Figure 14, cut edge 800 can be formed by the main body 801 that can have general rectangular shape.Main body 801 can have There are front portion 802, rear portion 804, top 806, bottom 808, inside portion 810 and outside portion 812.Interface may reside in each adjacent Between part.Specifically, sinciput interface 818 may reside between top 806 and front portion 802, and preceding bottom interface 820 can be with It is present between anterior and bottom 808.Preceding outside interface 822 may reside between front portion 802 and outside portion 812, preceding inner side Interface 824 may reside between anterior and inside portion 810.Outer bottom interface 826 may reside in bottom 808 and outside portion 812 Between, interior bottom interface 828 may reside between inside portion 810 and bottom 808.In addition, rear outside interface 830 may reside in Between outside portion 812 and rear portion 804, rear inner side interface may reside between inside portion and rear portion.Bottom interface 834 can be deposited afterwards It is between rear portion 804 and bottom 808, Hou Ding interfaces 836 may reside between top 806 and rear portion.Finally, in some realities Apply in example, Wai Ding interfaces 835 may reside between outside portion 812 and top 806, Nei Ding interfaces may reside in inside portion Between 810 and top.

In certain embodiments, multiple mounting holes 809 can be formed in main body 801, with the front portion 802 of main body and after Passage is formed between portion 804.Mounting hole 809, which can be used for accommodating, installs hardware, such as bolt, screw, rivet or suitable for that will cut Cut edge edge 800 is fixed to other installation tools on equipment.In certain embodiments, mounting hole 809 can be embedded to, so as to preceding The smooth surface flushed is provided in portion 802.Although the implementation shown in Figure 13 is illustrated installs hardware suitable for accommodating 11 sets 11 mounting holes 809, but it is contemplated that any amount of mounting hole is used in other embodiments.It is also contemplated that using replacement Cut edge 800 or other abrasion members are installed on earthwork shovel or other equipments by installation method.

Interface in main body 801 can limit one or more edges, and one or more edges can be in the main body upper limit Determine surface.Specifically, preceding top edge 838 can be set along sinciput interface 818, and preceding feather edge 840 can be along inside portion 810 At least a portion of bottom interface 820 between outside portion 812 is set.Preceding outer ledge 844 can be along the preceding He of top edge 838 Preceding outside interface 822 between preceding feather edge 840 is set, and preceding inside edge 846 can be along preceding top edge 838 and preceding feather edge Preceding inner side interface 824 between 840 is set.In addition, main body 801 can be included along outer between preceding feather edge and rear portion 804 Bottom interface 826 set outer bottom edge 848, and along between preceding feather edge 840 and rear portion interior bottom interface 828 set in Feather edge 850.Outer ledge 852 can be set along rear outside interface 830 afterwards, and can be at top 806 and outer bottom edge 848 Between extend, rear inside edge can along between top and interior feather edge 850 rear inner side interface set.Top edge 856 afterwards It can set, and extend between outer back edge 852 and interior back edge along Hou Ding interfaces 836, rear feather edge 858 can be along Rear bottom interface 834 between outer back edge and interior back edge is set.Further, in certain embodiments, outer top edge 860 can be with Limited along the Wai Ding interfaces 835 between preceding top edge 838 and rear top edge 856, interior top edge can along preceding top edge and Interior top interface definition between top edge afterwards.In certain embodiments, each edge can be subjected to chamfering, so that main body 801 Form round edge and fillet.It is contemplated, however, that the edge of main body 801 has wedge angle, angled chamfer or any other suitable shape Shape.

As best shown in Figure 13 into Figure 14, the front portion 802 of main body 801 can limit above 814.Above 814 can be Extend between preceding inside edge 846, preceding outer ledge 844, preceding top edge 838 and preceding feather edge 840.Main body 801 can match somebody with somebody It is set on the installation edge 68 for being installed to earth-working implements 66 so that above 814 direction for facing away from earth-working implements. Above 814 can include preceding upper cut edge 885 and front lower notching edge 816.Preceding upper cut edge 885 can be arranged on sinciput Between edge 838 and preceding feather edge 840, upper cut edge 885 and preceding feather edge before front lower notching edge 816 can be arranged on Between 840.In a particular embodiment, feather edge 840 before front lower notching edge 816 can be roughly parallel to, preceding upper cut edge 885 can be roughly parallel to preceding top edge 838, but it is also possible to contemplate other geometrical orientations.Fore edge 815 can be formed above In 814, and defined by preceding upper cut edge 885 and front lower notching edge 816.

Preceding lower surface 817 can be limited to before between feather edge 840 and front lower notching edge 816 before on 814, it is preceding on Surface 887 can be limited to before between upper cut edge 885 and preceding top edge 838 before on 814.Fore edge surface 819 can To be limited to by fore edge 815 above on 814, and extend between front lower notching edge 816 and preceding upper cut edge 885. In some embodiments, fore edge surface 819 can before being upwardly deviated from along normal direction axis towards the side at rear portion 804 lower surface 817 and preceding upper surface 887.In certain embodiments, preceding upper surface and preceding lower surface can be substantially coplanar.

Preceding inside edge 846 can be defined as along inside portion 810 with before including interior lower anterior 841, interior lower anterior 841 Preceding inner side interface 824 between portion 802 is adjacent to preceding lower surface 817.Lower transition seam 821 can be formed at front lower notching edge In 814 before between 816 and preceding upper cut edge 885, upper transition seam 889 can be formed at lower transition seam 821 with before In 814 before between upper cut edge 885.Fore edge surface 819 can include be limited at lower transition seam 821 with it is front lower Lower transition notch 823 between notching edge 816, and upper transition notch 891 can be limited at transition seam 889 Between preceding upper cut edge 885.Preceding base notch 825 can be limited at transition seam 889 and lower transition seam 821 it Between.Therefore, in certain embodiments, before 814 include preceding lower surface 817, the lower transition notch 823 on fore edge surface 819, Preceding base notch 825, upper transition notch 891 and the preceding upper surface 887 on fore edge surface.In certain embodiments, preceding base Lower surface 817 and preceding upper surface 887, upper transition notch 891 and lower transition notch before notch 825 can be roughly parallel to Preceding base notch can be connected to preceding upper surface 887 and preceding lower surface 817 by 823 respectively so that preceding base notch is after The side in portion 804 is upwardly deviated from preceding upper surface and preceding lower surface.However, also contemplating other non-parallel surfaces orientation.

Main body 801 is additionally may included on rear portion 804 limit behind 827.Next 827 can rear inside edge, after Extend between outer ledge 852, rear top edge 856 and rear feather edge 858.In certain embodiments, 827 can be substantially behind Parallel to preceding lower surface 817 and preceding upper surface 887, in certain embodiments, behind 827 can be roughly parallel to preceding lower surface 817th, the preceding base notch 825 of preceding upper surface 887 and fore edge surface 819.In certain embodiments, for example institute in Figure 14 The cut edge 800 shown, at least one depression 893 can be formed in next 827 and in inside portion 810 and outside portion 812 Between extend.Although Figure 14 shows four depressions 893, but it is also possible to contemplate the reality of the depression with other quantity (including zero) Apply example.Depression 893 can be formed in next 827, to be reduced as far as weight and material for forming main body 801, and And ensure that enough contact surfaces can be used for cut edge 800, especially to install edge engagement earth-working implements. In certain embodiments, depression 893 is arranged on next 827 so that the mounting hole 809 of hardware will be installed for accommodating to be cut Edge 800 is arranged on earth-working implements, without overlapping with depression 893.Interior feather edge 850 can include interior bottom frayed edges 883, interior bottom frayed edges 883 are defined as along interior feather edge adjacent to bottom wear surface 879 and in preceding feather edge 840 and bottom mill Damage extension between edge 877.

Bottom surface 875 can be limited on bottom 808.Bottom surface 875 can be at preceding feather edge 840, rear feather edge 858, interior bottom Extend between edge 850 and outer bottom edge 848.Bottom frayed edges 877 can be arranged on preceding feather edge 840 and rear feather edge 858 Between bottom surface 875 on.Bottom frayed edges 877 can extend between outer feather edge 848 and interior feather edge 850, and can be big Cause parallel to preceding feather edge 840 and rear feather edge 858.Bottom surface 875 can include bottom wear surface 879, before it can be limited to On the bottom surface extended between feather edge 840, bottom frayed edges 877, outer bottom edge 848 and interior feather edge 850.May be used also bottom surface 875 So that including bottom cutting surfaces 881, it can be limited to rear feather edge 848, bottom frayed edges 877, outer bottom edge 848 and interior base On the bottom surface extended between edge 850.

In certain embodiments, main body 801 can be configured to be installed on the installation edge 68 of earth-working implements, for example Shown in Fig. 2 earthwork shovel 66, so as to optionally by the bottom 808 of main body be arranged on installation edge and operation surface it Between, or by the top 806 of main body be arranged on installation edge and operation surface between.That is, because of cut edge 800 substantially It is symmetrical, so the first installation site that cut edge can be configured to joining process surface from bottom 808 is turned to top Portion 806 is configured to second installation site on joining process surface.This flexibility between installation site causes cutting bit 800 have two wear-out lifes, i.e. the first wear-out life and the second wear-out life, thus increase each abrasion member efficiency and Availability.

In Figure 13 into Figure 14, for convenience of description, the main body 801 of cut edge 800 is aligned so that preceding feather edge 840 85 limit substantially along a longitudinal axis, and interior lower anterior 841 are aligned with axis of pitch 90.Interior bottom frayed edges 883 are along method It is aligned to axis 80.

Referring now to Figure 14, the following ratio between some size characteristics of abrasion member 800 is not intended to exhaustion, and only Only it is the example of the geometry ratio of the size of abrasion member disclosed herein.Main body 801 can have in the preceding He of feather edge 840 The body height M measured between preceding top edge 838 along axis of pitch 90.Preceding upper surface 887 can have in preceding top edge 838 The preceding upper level N measured between preceding upper cut edge 885 along axis of pitch 90.Preceding lower surface 817 can have The front lower apparent height O measured along axis of pitch 90 between preceding feather edge 840 and front lower notching edge 816.Main body 801 can With with the lower body thickness P that can be measured between preceding lower surface 817 and below 827 along normal direction axis 80.Main body 801 can be with With the section view depth Q that can be measured between bottom frayed edges 877 and rear feather edge 858 along normal direction axis 80.Main body may be used also With with the section view height R that can be measured between bottom frayed edges 877 and rear feather edge 858 along axis of pitch 90.Lower transition Under notch 823 can be with that can measure between front lower notching edge 816 and lower transition seam 821 along axis of pitch 90 Transition altitude S.Fore edge 815 can have can be in preceding lower surface 817 and cut surface 819 (specifically before cut surface Base notch 825) between along normal direction axis 80 measure fore edge depth T.Main body 801 can also have can be in fore edge table Face 819 (specifically preceding base notch 825) and the otch thickness W measured below along normal direction axis 80 between 827.Main body 801 can have the upper body thickness Y that can be measured between preceding upper surface 887 and below 827 along normal direction axis 80.Wear and tear at bottom Surface 879 can have the bottom frayed edges depth that can be measured between above 814 and bottom frayed edges 877 along normal direction axis 80 Spend Z.

In certain embodiments, the ratio between front lower apparent height O and body height M can be about 1: 10 to about 3: 10 Between, or in other embodiments between about 1: 5 to about 1: 4.In certain embodiments, it is front lower Ratio between apparent height O and body height M can at most be about 3: 10, or at most be about 1: 4 in other embodiments. In certain embodiments, the ratio between front lower apparent height O and body height M can be about 1: 5, or in other embodiments In be about 1: 4.

In certain embodiments, the ratio between lower body thickness P and otch thickness W can be between about 1: 1 and about 3: 2 In the range of, or in other embodiments between about 1: 1 and about 5: 4, in other embodiments in about 1: 1 peace treaty Between 22: 19 and about 19: 16.In other embodiments, the ratio between lower body thickness P and otch thickness W can Think at least about 1: 1, or in other embodiments at least about 11: 10.In other embodiments, lower body thickness P and otch are thick Ratio between degree W can be about 19: 16, or in other embodiments about 22: 19.

In certain embodiments, the ratio between upper body thickness Y and otch thickness W can be between about 1: 1 and about 3: 2 In the range of, or in other embodiments between about 1: 1 and about 5: 4, in other embodiments in about 1: 1 peace treaty Between 22: 19 and about 19: 16.In other embodiments, the ratio between upper body thickness Y and otch thickness W can Think at least about 1: 1, or in other embodiments at least about 11: 10.In other embodiments, upper body thickness Y and otch are thick Ratio between degree W can be about 19: 16, or in other embodiments about 22: 19.In certain embodiments, upper body thickness Y It may be approximately equal to lower body thickness P.

In certain embodiments, the ratio between fore edge depth T and lower body thickness P can be in about 0: 1 and about 3: 10 Between, or in other embodiments between about 1: 10 and about 1: 5, or in other embodiments about Between 3: 19 and about 3: 22.In certain embodiments, the ratio between fore edge depth T and lower body thickness P can Think at least about 1: 10.In certain embodiments, the ratio between fore edge depth T and lower body thickness P can be about 3: 19, In other embodiments about 3: 22.

In certain embodiments, the ratio between bottom frayed edges depth Z and lower body thickness P can be in about 0: 1 and about 3 : between 10, or in other embodiments between about 1: 10 and about 1: 5, or in other embodiments Between about 3: 19 and about 3: 22.In certain embodiments, between bottom frayed edges depth Z and lower body thickness P Ratio can be at most about 1: 5, or in other embodiments at most about 3: 20.In certain embodiments, bottom frayed edges are deep Ratio between degree Z and lower body thickness P can be about 3: 19, and in other embodiments about 3: 22.

In certain embodiments, the ratio between section view height R and section view depth Q can be between about 1: 2 and about 1: 1 In the range of, or in other embodiments between about 1: 2 and about 2: 3, in other embodiments in about 11: 16 peace treaties Between 11: 19.In certain embodiments, the ratio between section view height R and section view depth Q can be at most about 3: 5, in other embodiments at most about 2: 3.In certain embodiments, the ratio between section view height R and section view depth Q can be About 11: 16, or in other embodiments about 11: 19.

It should be appreciated that where applicable, the present invention can apply on the size geometry ratio described in cut edge 800 Any other abrasion member embodiment disclosed herein.Although for example, Fig. 8 does not have to the end cut drill bit 300 shown in Fig. 9 Have and section view height R or section view depth Q is clearly shown, but it is to be understood that, the similar features of end cut drill bit 300 also may be used With with disclosed geometrical relationship and ratio.

Figure 15 to Figure 16 shows another embodiment of abrasion member, is specifically another cut edge 900.Cutting edge Edge 900 is approximately similar to Figure 13 to the cut edge 800 shown in Figure 14, and difference is that cut edge 900 in addition can be with Including lower wear indicator groove 981 and lower wear surface 983, and upper wear indicator groove 995 and upper wear surface 997.Cut Cut edge edge 900 can be formed by main body 901, and the main body can have the shape of general rectangular.Although not cut edge 800 Each feature shows Figure 15 on the cut edge 900 into Figure 16, but it is to be understood that, except upper wear indicator is recessed Groove 995 and lower wear indicator groove 981 and upper wear surface 997 and lower wear surface 983, cut edge 900 also include and figure 13 into Figure 14 on feature similar with those shown features described in cut edge 800.In addition, the master of cut edge 900 Body 901 can include lower wear indicator groove 981 and lower wear surface 983, and upper wear indicator groove 995 and upper abrasion Face 997.Specifically, cut edge 900 can be formed by main body 901, and the main body can have the shape of general rectangular.Main body 901 can have front portion 902, rear portion 904, top 906, bottom 908, inside portion 910 and outside portion 912.

Main body 901 in addition can include preceding feather edge 940, its along front portion 902 and bottom 908 between preceding bottom interface 920 at least a portion is limited.Preceding feather edge 940 and longitudinal axis 85 are aligned.Preceding top edge 938 can be along anterior 902 Hes At least a portion at the sinciput interface 918 between top 906 is limited.Preceding top edge 938 can be roughly parallel to preceding feather edge 940, or with the rough alignment of longitudinal axis 85.Preceding inside edge 946 along inside portion 910 and front portion 902 between preceding inner side circle At least a portion in face 924 is limited.Preceding outer ledge 944 along outside portion 912 and front portion 902 between preceding outside interface 922 At least a portion limit.914 it can above be limited on front portion 902.Above 914 can be in preceding inside edge 946, preceding outside Extend between edge 944, preceding top edge 938 and preceding feather edge 940.Front lower notching edge 916 can be arranged on preceding top edge 938 On 914 before between preceding feather edge 940.Front lower notching edge 916 can be roughly parallel to preceding feather edge 940.Before on cut Mouthful edge 985 can be arranged on before between top edge 938 and front lower notching edge 916 before on 914.Preceding upper cut edge 985 can be roughly parallel to preceding top edge 938.Fore edge 915 can be formed in above 914, and can be by preceding lower cut Edge 916 and preceding upper cut edge 985 are defined.Preceding lower surface 917 can be limited to front lower notching edge 916 and preceding feather edge Between 940, preceding upper surface 987 can be limited to before between upper cut edge 985 and front upper edge 938.Preceding inside edge 946 can So that including interior lower anterior 941, it is along the preceding inner side interface 924 between inside portion 910 and front portion 902 adjacent to preceding lower surface 917 Limit.In addition, fore edge surface 919 can be limited to front lower notching edge 916 and preceding upper cut edge 938 by fore edge 915 Between.Fore edge surface 919 can be along the direction of normal direction axis 80 towards rear portion 904 from preceding lower surface 917 and from preceding upper table Deviate in face 987.Lower transition notch 923 can be limited to before between lower surface 917 and fore edge surface 919, upper transition otch Portion 991 can be limited between preceding upper surface 987 and fore edge surface.In certain embodiments, preceding lower surface 917 and preceding upper table Face 987 can be roughly parallel at least a portion on fore edge surface 919.In certain embodiments, preceding lower surface 917 is with before Upper surface 987 can be coplanar.

In Figure 15 into Figure 16, for convenience of description, the main body 901 of cut edge 900 is aligned so that preceding feather edge 940 be defined as substantially along a longitudinal axis 85, and interior lower anterior 941 and axis of pitch 90 be aligned.Lower wear indicator is recessed Feather edge 940 before groove 981 can be formed in above 914 and is roughly parallel to.In certain embodiments, lower wear indicator is recessed Groove 981 can be formed between preceding feather edge 940 and front lower notching edge 916.Upper wear indicator groove 995 can be formed Above in 914 and it is roughly parallel to front upper edge 938.In certain embodiments, upper wear indicator groove 995 can be formed Between front upper edge 938 and preceding upper cut edge 985.Although Figure 15 to Figure 16 shows upper wear indicator groove 995 with Such as wear indicator groove 981 has circular soft profile, but it is also possible to contemplate other contour shapes, wedge-shaped or other angles. Lower wear surface 983 can be limited to before between feather edge 940 and lower wear indicator groove 981, upper wear surface 997 can be limited Between preceding top edge 938 and upper wear indicator groove 995.

As shown in figure 16, it can be surveyed between preceding feather edge 940 and lower wear indicator groove 981 along axis of pitch 90 The lower wear indicator height V of amount, can be between preceding top edge 938 and upper wear indicator groove 995 along axis of pitch 90 Wear indicator height U in measurement.In certain embodiments, upper wear indicator height U is substantially equal to lower wear indicator height Spend V.Upper wear indicator groove 981 and lower wear indicator groove 995 can have wear indicator depth X, its substantially class It is similar to the depth of above-mentioned lower wear indicator groove 381.Can preceding feather edge 940 and lower wear indicator groove 981 or on Between behind wear indicator device groove 995 wear indicator depth X is measured along normal direction axis 90.

In certain embodiments, measured between preceding feather edge 940 and preceding top edge 938 along axis of pitch, lower abrasion Ratio between indicator height V and body height M can be implemented between about 1: 20 and about 1: 5, or other In example between about 1: 10 and about 3: 25.In certain embodiments, preceding feather edge 940 and preceding top edge 938 it Between measured along axis of pitch, the ratio between lower wear indicator height V and body height M can be at least about 1: 10. In some embodiments, measured between preceding feather edge 940 and preceding top edge 938 along axis of pitch, lower wear indicator height V Ratio between body height M can be about 13: 100, or in other embodiments about 1: 10.In certain embodiments, grind The ratio damaged between indicator depth X and lower body thickness P can be between about 1: 20 and about 2: 5, or other In embodiment between about 1: 10 and about 1: 5, the scope between about 1: 8 and about 1: 6 in other embodiments. In some embodiments, the ratio between wear indicator depth X and lower body thickness P can be about 13: 100, or in other realities Apply about 4: 25 in example.

In certain embodiments, measured between preceding feather edge 940 and preceding top edge 938 along axis of pitch, upper abrasion Ratio between indicator height U and body height M can be implemented between about 1: 20 and about 1: 5, or other In example between about 1: 10 and about 3: 25.In certain embodiments, preceding feather edge 940 and preceding top edge 938 it Between measured along axis of pitch, the ratio between upper wear indicator height U and body height M can be at least about 1: 10. In some embodiments, measured between preceding feather edge 940 and preceding top edge 938 along axis of pitch, upper wear indicator height U Ratio between body height M can be about 13: 100, or in other embodiments about 1: 10.

In certain embodiments, main body 900 can be configured to mount on earth-working implements, such as shown in Fig. 2 Earthwork shovel 66, so as to which optionally the bottom 908 of main body is arranged between installation edge and operation surface, or by main body Top 906 be arranged on installation edge and operation surface between.In other words, because cut edge 900 is substantially symmetric, Cut edge can be set to from bottom 908 joining process surface the first installation site be turned to top 906 be set to engagement Second installation site of operation surface.This flexibility between installation site causes cutting bit 900 to have two abrasion longevity Life, i.e. the first wear-out life and the second wear-out life, so as to increase the efficiency and availability of each abrasion member.Figure 17 to Figure 18 Show the example of multiple wear-out lifes suitable for cut edge 900.

Figure 17 shows the cut edge 900 after the first life-span, and during first life-span, main body 901 can be installed Onto earth-working implements so that bottom 908 could be arranged to joining process surface.Finally, in Reusability cut edge 900 Afterwards, bottom 908 can be worn so that entirely lower wear surface 983 is worn, and operation surface and lower wear indicator Groove 981 is flushed.It was observed that during wear levels shown in Figure 17, operator or other observers can stop operation, to turn over Turn cut edge 900 and started for the second life-span.During the second life-span, main body 901 can be installed on earth-working implements, So as to which the top 906 of main body 901 is set into joining process surface.Figure 18 shows the cut edge 900 after the second life-span.Such as Shown in figure, top 906 and bottom 908 are all worn, and reach the degree for not leaving lower wear surface 983 or upper wear surface 997. When operator or other observers determine that the grade abrasion member of cut edge 900 has completed its second life-span, Ke Yicong The cut edge that completely worn out abrasion member is removed on earth-working implements and is more renewed or other abrasion members, to prevent pair Earth-working implements cause to damage.

Figure 19 to Figure 20 shows another embodiment of abrasion member, specifically another reality of cut edge 1000 Apply example.Cut edge 1000 can be formed by main body 1001, and the main body can have the shape of general rectangular.Main body 1001 can be with With front portion 1002, rear portion 1004, top 1006, bottom 1008, inside portion 1010 and outside portion 1012.Main body 1001 can be wrapped Above 1014 are included, before it is limited on front portion 1002 between top edge 1038 and preceding feather edge 1040.Similar to Figure 15 to figure Cut edge 900 shown in 16, before 1014 can include be arranged on before between feather edge 1040 and preceding top edge 1038 under Wear indicator groove 1081 and the upper wear indicator before being arranged between top edge 1038 and lower wear indicator device groove Groove 1095.In addition, above 1014 also include be arranged on before between feather edge 1040 and lower wear indicator groove 1081 under Wear surface 1083 and the upper wear surface 1097 being arranged between front upper edge 1038 and upper wear indicator groove 1095.At some In embodiment, lower wear indicator groove 1081 can be roughly parallel to preceding feather edge 1040, upper wear indicator groove 1095 Top edge 1038 before being roughly parallel to, it is also contemplated that there is other nonparallel embodiments.With cut edge 800, 900 is different, and the cut edge 1000 shown in Figure 19 to Figure 20 is without fore edge.On the contrary, above 1014 generally it is flat, and It can be roughly parallel to be formed 1027 behind on rear portion 1004.Although it should be appreciated that not specifically illustrated in fig. 20, The related size of upper wear indicator groove 995, lower wear indicator groove 981 to Figure 15 to Figure 16 and ratio can also be applied In the upper wear indicator groove 1095 shown in Figure 19 to Figure 20, lower wear indicator groove 1081.In certain embodiments, example Cut edge 1000 as shown in figure 20, at least one depression 1093 can be formed in below 1027 and in inside portion 1010 Extend between outside portion 1012.Although Figure 20 shows four depressions 1093, but it is also possible to which contemplating has including zero The embodiment of the depression of other quantity.

Main body 1001 can also include bottom surface 1075, and it is limited on bottom 1008.Bottom surface can preceding feather edge 1040, Extend afterwards between feather edge 1058, interior feather edge and outer bottom edge 1048.Bottom frayed edges 1077 can be arranged on bottom surface 1075 On, between preceding feather edge 1040 and rear feather edge 1058, and can be in outer feather edge 1048 and interior feather edge or inner side Extend between portion 1010.Bottom frayed edges 1077 can be roughly parallel to preceding feather edge 1040 and rear feather edge 1058.Wear and tear at bottom Surface 1079 can be limited on preceding bottom surface 1075 between feather edge 1040 and bottom frayed edges 1077.Bottom cross-sectional surface 1081 It can be limited on the bottom surface 1075 between rear feather edge 1058 and bottom frayed edges 1077.

Figure 25 shows the cut edge 1000 engaged with operation surface 25.Although not shown in Figure 25, it is to be understood that , cut edge 1000 can be installed on earth-working implements, so that cut edge 1000 as depicted is relative to work Industry surface 25 is positioned.Reference picture 25, bottom cross-sectional surface angle AA can be measured as between bottom cross-sectional surface 1081 and below 1027 Obtuse angle.In certain embodiments, bottom cross-sectional surface angle AA can be at most about 150 degree.In other embodiments, bottom cross-sectional surface Angle AA can be between about 90 degree and about 150 degree.In certain embodiments, bottom cross-sectional surface angle AA can be about Between 135 degree and about 150 degree.In other embodiments, bottom cross-sectional surface angle AA can be at about 140 degree and about 145 Between degree.In other embodiments, bottom cross-sectional surface angle AA can be about 143 degree.

Main body 1001 can be configured to mount on the installation edge of earth-working implements, with joining process surface 25. When so installing, section view schedule work face angle BB can be measured between bottom cross-sectional surface 1081 and operation surface 25.In some realities Apply in example, section view schedule work face angle can be less than about 3 degree, in other embodiments less than about 2 degree.In addition, when main body 1001 is pacified , can be with measurement back side surface angle between later 1027 and operation surface 25 when being attached on earth-working implements as shown in figure 25 CC.In certain embodiments, back side surface angle CC can be implemented between about 40 degree and about 60 degree, or at another In example between about 45 degree and about 60 degree.In certain embodiments, back side surface angle CC can be about 47 degree, other It can be about 57 degree in embodiment.

Wear angle DD can be measured as along above 1014 forward planes limited and along the institute of bottom cross-sectional surface 1081 Acute angle between the cross-sectional surface plane of restriction.In certain embodiments, wear angle DD can be at least about 30 degree.In other realities Apply in example, wear angle DD can be between about 30 degree and about 90 degree.In certain embodiments, wear angle DD can be Between about 30 degree and about 45 degree.In other embodiments, wear angle DD can be between about 35 degree and about 40 degree In the range of.In other embodiments, wear angle DD can be at least about 37 degree.

It has been found that above-mentioned size, ratio and angle on cut edge 1000 is in mill of the increase using those sizes Surprising good effect is produced in terms of damaging the wear-out life of component (such as end cut drill bit or cut edge).Send out Existing, compared with ISO and other standards, the thickness of the reduction of bottom wear surface 1079 improves abrasion member (such as cut edge 1000) ability of operation surface is cut.In addition, reducing bottom cross-sectional surface angle AA and reducing bottom frayed edges depth Z to subtract Slip or " skiing effect " on few operation surface, it is particularly even more so when being mounted with abrasion member recently.Meanwhile, pass through Increase bottom cross-sectional surface angle AA increases lost material to reduce section view schedule work face angle BB, with joining process table as early as possible Face.This allows cut edge, end cut drill bit or other abrasion members more effectively to cut operation surface, and adds in need Switch operating time during abrasion member, so as to improve operating efficiency.

It should be appreciated that where applicable, the present invention can be applied on the size geometry ratio described in cut edge 1000 In any other abrasion member disclosed herein.Although for example, Fig. 8 is no clear and definite to the end cut drill bit 300 shown in Fig. 9 Ground shows bottom cross-sectional surface angle height AA, but it is to be understood that, the similar features of end cut drill bit 300 can also include institute Disclosed geometrical relationship and ratio.

Figure 21 to Figure 22 shows the example of multiple wear-out lifes suitable for cut edge 1000.Figure 21 shows first Cut edge 1000 after life-span, during first life-span, main body 1001 can be mounted on earth-working implements, make Obtain bottom 1008 and be set to joining process surface.Finally, after Reusability cut edge 1000, bottom 1008 can be ground Damage so that entirely lower wear surface 1083 is worn, and operation surface and lower wear indicator groove 1081 are flushed.It was observed that figure During wear levels shown in 21, operator or other observers can stop operation, and start to overturn cut edge 1000 Second life-span.During the second life-span, main body 1001 can be installed on earth-working implements, so as to by the top of main body 1001 Portion 1006 is set to joining process surface.Figure 22 shows the cut edge 1000 after the second life-span.As illustrated, top 1006 All it is worn with bottom 1008, reaches the degree for not leaving lower wear surface 1083 or upper wear surface 1097.As operator or , can be from earthwork machine when other observers determine that the grade abrasion member of cut edge 1000 has completed its second life-span The cut edge that completely worn out abrasion member is removed on tool and is more renewed or other abrasion members, to prevent to earthwork machine Tool causes to damage.

Industrial applicibility

The commercial Application of abrasion member as described herein should become apparent from the above description.The present invention can be applicable In utilizing any other suitable application for excavating, shoveling native, smooth, digging or being related to ground-engaging or other work materials Any machine of earth-working implements.In the machine for this application, end cut drill bit, cut edge and other types Ground engagement instrument may Fast Wearing and need change.

Therefore, present invention may apply to many different machines and environment.One of abrasion member of the present invention is exemplary Using can be used in mining application, wherein machine implement be commonly used for cutting for a long time, rooted out, excavating or clearly Except various work materials (including rock, gravel, sand, soil and other materials) and downtime is few.In this applications, The wear-out life of the increase abrasion member risk that reduction earth-working implements are damaged as far as possible simultaneously as far as possible can be conducive to making Operating efficiency is obtained to maximize.As described above, there is the present invention wear-out life that can increase abrasion member to change while assisting in The feature of the appropriate time of change or the abrasion member on rotation earth-working implements.

It should be appreciated that description above provides the example of disclosed system and technology.However, it can be assumed that It is that other embodiments of the present invention can be different with aforementioned exemplary in detail.All references to the present invention or its example are equal It is intended to reference to the specific example discussed in the point, it is not intended that broadly imply any limitation to the scope of the present invention. Difference on some features is intended to refer to lack these features preferable with all language passed judgement on, but is not that its is complete Exclude outside the scope of the present invention, unless otherwise indicated.

Unless otherwise indicated herein, otherwise the narration of logarithm value scope herein is provided merely as being individually recited and falls into the model The quick method of each independent numerical value in enclosing, and each individually numerical value is merged in this specification, as its is herein Quoted respectively the same.All methods as described herein can be carried out in any suitable order, unless otherwise indicated herein or Context is clearly contradicted.

Therefore, all modifications for the theme described in appended claims that the present invention is allowed including applicable law and Equivalent.In addition, unless otherwise indicated herein or clearly contradicted with context, otherwise the present invention includes said elements in its institute It is possible to any combinations in modification.

Claims

1. a kind of abrasion member (300) for earth-working implements, the abrasion member (300) includes：

Main body (301), it has front portion, rear portion, top, bottom, inside portion and outside portion；

Preceding feather edge (340), its along the preceding bottom interface (320) between anterior (302) and the bottom (308) at least A part is limited, the preceding feather edge (340) and longitudinal axis (85) alignment；

Preceding top edge (338), its along the sinciput interface (318) between anterior (302) and the top (306) at least A part is limited, and the preceding top edge (338) is roughly parallel to the preceding feather edge (340)；

Preceding inside edge (346), it is along the preceding inner side interface between the preceding inside portion (310) and anterior (302) (324) at least a portion is limited；

Preceding outer ledge (344), it is along the preceding outside interface (322) between the outside portion (312) and anterior (302) At least a portion limit；

Above (314), it is limited on anterior (302), it is described before (314) in the preceding inside edge (346), described Extend between preceding outer ledge (344), the preceding top edge (338) and the preceding feather edge (340)；

Lower wear indicator groove (381), it, which is formed, in (314), is roughly parallel to the preceding feather edge before described (340)；And

Lower wear surface (383), it is limited between the preceding feather edge (340) and the lower wear indicator groove (381)；

Wherein described main body (301) is configured to mount on the earth-working implements, so as to by the lower wear surface (383) It is arranged between the installation edge of the earthwork shovel (66) and operation surface.

2. abrasion member (300) according to claim 1, it further comprises：

Front lower notching edge (316), before it is arranged between the preceding top edge (338) and the preceding feather edge (340) (314) on and it is roughly parallel to the preceding feather edge (340)；And

Fore edge (315), it is formed before described in (314) and by the front lower notching edge (316) and the sinciput Define at edge (338).

3. abrasion member (300) according to claim 2, wherein the lower wear indicator groove (381) is formed in institute State between preceding feather edge (340) and the front lower notching edge (316).

4. abrasion member (300) according to claim 2, it further comprises：

Preceding lower surface (317), it is limited between the front lower notching edge (316) and the preceding feather edge (340)；

Before fore edge surface (319), its described between the front lower notching edge (316) and the preceding top edge (338) Otch (315) is limited, wherein the fore edge surface (319) is along the normal direction axis (80) perpendicular to the longitudinal axis (85) Direction deviate the preceding lower surface (317).

5. abrasion member (300) according to claim 4, wherein the front lower surface (317) be roughly parallel to it is described before At least a portion of cut surface (319).

6. abrasion member (300) according to claim 1, wherein normal direction axis (80) are defined as perpendicular to the longitudinal direction Axis (85), and (383) are limited on the rear portion (304) below, and wherein measured along the normal direction axis (80) Wear indicator depth and before described (314) and it is described behind measured along the normal direction axis (80) between (383) Ratio between main body (301) thickness can be between about 1: 20 and about 2: 5.

7. abrasion member (300) according to claim 1, wherein axis of pitch (90) are defined as perpendicular to the longitudinal direction Axis (85), and along the transverse direction wherein between the preceding feather edge (340) and the lower wear indicator groove (381) The lower wear indicator height of axis (90) measurement and the edge between the preceding feather edge (340) and the preceding top edge (338) The main body (301) of the axis of pitch (90) measurement highly between about 1: 20 and about 1: 5.

8. abrasion member (300) according to claim 1, it further comprises：

Upper wear indicator groove (381), it, which is formed, in (314), is roughly parallel to and is indicated in the lower abrasion before described The preceding top edge (338) between device groove (381) and the preceding top edge (338)；And

Upper wear surface (383), it is limited between the upper wear indicator groove (381) and the preceding top edge (338) Before described on (314).

9. abrasion member (300) according to claim 8, wherein the main body (301) is configured to mount to the soil On square work tool, so as to which the lower wear surface (383) or the upper wear surface (383) optionally are arranged on into the soil Between the installation edge and operation surface of Fang Zuoye shovels (66).

10. abrasion member (300) according to claim 8, it further comprises：

Front lower notching edge (316), it is arranged on described between the preceding top edge (338) and the preceding feather edge (340) Above on (314), the front lower notching edge (316) is roughly parallel to the preceding feather edge (340)；

Preceding upper cut edge, it is arranged on before described between the preceding top edge (338) and the front lower notching edge (316) On face (314), the preceding upper cut edge is roughly parallel to the preceding top edge (338)；And

Fore edge (315), it is formed before described in (314) and by preceding the upper cut edge and the forward lower edge (316) define.

11. abrasion member (300) according to claim 10, it further comprises：

Preceding lower surface (317), it is limited between the front lower notching edge (316) and the preceding feather edge (340) Before described on (314)；

Fore edge surface (319), its by the fore edge (315) be limited to the front lower notching edge (316) and be described before on Between notching edge；And

Preceding upper surface, its be limited between the preceding top edge (338) and the preceding upper cut edge it is described above on；

Deviate the preceding lower surface in direction of the wherein described fore edge surface along the normal direction axis perpendicular to the longitudinal axis And the preceding upper surface (317).

12. abrasion member (300) according to claim 11, wherein the preceding upper surface and the preceding lower surface (317) It is generally coplanar.

13. abrasion member (300) according to claim 8, wherein axis of pitch (90) are defined as perpendicular to described vertical To axis (85), and along the horizontal stroke wherein between the preceding feather edge (340) and the upper wear indicator groove (381) The upper wear indicator measured to axis (90) is highly and between the preceding feather edge (340) and the preceding top edge (338) The main body (301) measured along the axis of pitch (90) is highly between about 1: 20 and about 1: 5.