CN207958920U - Abrasion-resistant blade, conveying device and engineering machinery - Google Patents

Abrasion-resistant blade, conveying device and engineering machinery Download PDF

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Publication number
CN207958920U
CN207958920U CN201721889376.8U CN201721889376U CN207958920U CN 207958920 U CN207958920 U CN 207958920U CN 201721889376 U CN201721889376 U CN 201721889376U CN 207958920 U CN207958920 U CN 207958920U
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China
Prior art keywords
blade
resistant
wear
abrasion
working face
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Withdrawn - After Issue
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CN201721889376.8U
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Chinese (zh)
Inventor
张翔
李毅
崔海霞
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Jiangsu Xugong Construction Machinery Research Institute Co ltd
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Construction Machinery Branch of XCMG
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Priority to CN201721889376.8U priority Critical patent/CN207958920U/en
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Abstract

A kind of abrasion-resistant blade of the utility model offer, conveying device and engineering machinery.Abrasion-resistant blade includes blade body, and multiple wear-resistant blocks are distributed in the outer edge area on the working face (31) of the blade body, and the interior zone on the working face (31) is equipped with wear rib.The purpose of this utility model is to provide a kind of abrasion-resistant blade, structure can save wear-resistant material, reduce cost while improving blade wearability.

Description

Abrasion-resistant blade, conveying device and engineering machinery
Technical field
The utility model is related to conveying device technical field and engineering machinery, more particularly to a kind of abrasion-resistant blade, conveying dress It sets and engineering machinery engineering machinery
Background technology
In subgrade engineering, often the materials such as rock, pitch, concrete are conveyed.In transmission process, for defeated Send the blade of material can be by the friction and impact of material, it is easy to be worn.The wear-resisting problem of blade is always people pass The emphasis of note.The abrasion of blade is typically non-uniform, and blade wear is gradually internally worn from outer edge.
By taking the paver in subgrade engineering as an example.Paver is that a kind of base's knead dough layer being mainly used for highway is various The construction equipment of material paving operation is cooperated by a variety of different systems and completes the work that paves.Paver includes mainly row Walking system, hydraulic system, defeated material-distributing system etc..In its course of work, screw distribution blade is straight with pitch, rock and mixture The component of contact is the important component in paver screw material-distributing system, is primarily subjected to the abrasion and punching of material at work It hits, applying working condition is very severe.From outer edge, gradually internally abrasion causes blade dimensions gradually to subtract to blade during use It is small, it finally can not normal use.The usage quantity of paver blade is more, and 10 meters of the paver of road of paving needs to install 30 multi-disc of helical blade.Replacement blade will be shut down by occurring blade failure in use.Frequently replace blade not only shadow Construction efficiency has been rung, the labor intensity of worker is also increased, has consumed a large amount of human and material resources and financial resources.
Construction with paving machine object mainly has asphalt and stablizes native mixture, and wherein helical blade is stablizing soil mixing It is worn in material more serious.Stablize in soil mixture includes mainly soil, building stones and lime etc..Wherein the hardness difference of building stones is to spiral shell The degree of wear of vane piece is also different.
In the related technology, the method for improving paver blade wear-resisting property can mainly be classified as several classes:Adjust blade Chemical composition content improves blade casting technique, optimization blade heat treatment process, addition trace alloying element, or in blade The complete coated cemented carbide coating in surface or wear-resistant material etc., these methods or complex process produce little effect or of high cost It holds high, be unfavorable for commercial application.
It adjusts leaf chemical ingredient content, improve blade casting technique, optimization blade heat treatment process, addition microalloy All there is the shortcomings that cumbersome, technology stability is not high, produces little effect in element etc., the complete coated cemented carbide of blade surface applies Layer or wear-resistant material is not only with high costs, shape is single, can also be such that surface brittleness increases, occur the risk of bulk crushing.
Utility model content
The purpose of this utility model is to provide a kind of abrasion-resistant blade, structure can improve the same of blade wearability When, wear-resistant material is saved, cost is reduced.Meanwhile the conveying device using the abrasion-resistant blade being also provided and uses the conveying device Engineering machinery.
The utility model discloses a kind of abrasion-resistant blade, including:
Blade body;
Multiple wear-resistant blocks, the multiple wear-resistant block are set on the working face of the blade body and are laid in the work The outer edge area in face;
Wear rib, the wear rib are set on the working face of the blade body and are laid in being located at for the working face Interior zone inside the outer edge area.
Further, the wear-resistant block is uniformly distributed in the outer edge area.
Further, the multiple wear-resistant block is distributed as two rows or more, the two rows from outside to inside in the outer edge area Per adjacent two rows of wear-resistant blocks dislocation arrangement in the above wear-resistant block.
Further, the multiple wear-resistant block is integrally formed at by casting technique on the working face.
Further, the interior zone is preset with the groove for wear rib described in built-up welding, the bottom of the wear rib It is set in the groove.
Further, there are the increased parts in cross section from its open side to its bottom wall direction for the groove.
Further, the wear-resistant block is composite polycrystal-diamond.
Further, the wear-resistant block includes being embedded in root inside the blade body and being located at the blade body Outside top, the cross section of at least partly described root is more than the cross section at the top.
Further, the abrasion-resistant blade includes multiple wear ribs.
Further, the multiple wear rib is uniformly distributed in the interior zone.
Further, for the abrasion-resistant blade for being connected to installation axle, the blade, which has, corresponds to the installation axle The installation axle center in axle center, the wear rib be around the abrasion-resistant blade installation axle center setting arc strip, spiral shape item or Radial item.
Further, the wear rib enhances iron base composite material or titanium carbide granule by tungsten carbide particle enhances iron-based Composite material is made.
Further, the hardness of the wear rib is 50HRC~70HRC
Further, the hardness of the wear rib is 65HRC either 60HRC or 55HRC.
The invention also discloses a kind of conveying devices, including above-mentioned abrasion-resistant blade.
The invention also discloses a kind of engineering machinery, including above-mentioned conveying device.
Further, the engineering machinery is paver.
Based on abrasion-resistant blade provided by the utility model, the outer edge area of the working face of blade body sets wear-resistant block, blade The interior zone of the working face of ontology sets wear rib.By to wear-resistant material on the blade body working face different zones it is excellent Change arrangement, the raising of the wear-resisting property to the crucial part of blade may be implemented, to achieve the effect that improve blade bulk life time.Phase For the prior art, reduce the setting of wearing layer, reduces wear-resistant material and use and save cost.In addition work is also reduced Amount, helps to improve production efficiency.
By referring to the drawings to the detailed description of the exemplary embodiment of the utility model, the utility model it is other Feature and its advantage will become apparent.
Description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application, The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model It limits.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the abrasion-resistant blade of the utility model one embodiment;
Fig. 2 is the structural schematic diagram of the abrasion-resistant blade of the utility model another embodiment;
Fig. 3 is the structural schematic diagram of the abrasion-resistant blade of the utility model another embodiment;
Fig. 4 is the partial structurtes diagrammatic cross-section of abrasion-resistant blade shown in FIG. 1;
Fig. 5 is the structural schematic diagram of the wear-resistant block of abrasion-resistant blade shown in Fig. 4.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.It is illustrative to the description only actually of at least one exemplary embodiment below, is never used as to this practicality Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having There is the every other embodiment obtained under the premise of making creative work, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, attached shown in the drawings each The size of a part is not to be drawn according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant Art, method and apparatus may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as awarding Weigh part of specification.In shown here and discussion all examples, any occurrence should be construed as merely example Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that:It is similar Label and letter similar terms are indicated in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then with It need not be further discussed in attached drawing afterwards.
For ease of description, herein can with use space relative terms, as " ... on ", " in ... top ", " ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure Except different direction in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction " Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and " in ... lower section " two kinds of orientation.The device can also other different modes positioning (be rotated by 90 ° or be in other orientation), and And respective explanations are made to the opposite description in space used herein above.
Fig. 1 is the structural schematic diagram of the abrasion-resistant blade of the utility model one embodiment.As shown in Figure 1, in the embodiment Abrasion-resistant blade include blade body 3, multiple wear-resistant blocks 1 and wear rib 2.Wherein, multiple wear-resistant blocks 1 are arranged in blade body 3 Working face 31 on and be distributed in 31 outer edge area of working face.The interior zone being located inside outer edge area on working face 31 is set There is wear rib 2.The working face 31 of blade body 3 is that blade body 3 is in the most contact abrasion-resistant blade with material during the work time Surface, while being also most easily worn surface.Outer edge area is blade body 3 close to the region at its edge, and outer edge area is most The most easily worn region on surface easy to wear.
In conveying device, blade can be rubbed when conveying material by frictional force and impact force, usual peripheral edge portion Power is big, and abrasion is all often from outer rim to inside.It is arranged by the outer edge area on the working face 31 of blade body 3 multiple resistance to Abrading block 1 targetedly improves the wear-resisting property of crucial part.Interior zone on the working face 31 of blade body 3 is set When setting wear rib 2, the wear-resisting property of wear rib 2 is required to reduce, it is no longer necessary to it is required that all standing as much as possible of wear rib 2 is to carry The wear-resisting property of high abrasion blade can then be brought in blade surface all standing to blade to avoid prior art wearing layer Brittleness avoids the loss of blade impact resistance.The abrasion-resistant blade of the utility model is real by the preferred arrangement to wear-resistant material Show the wearability that ensure that abrasion-resistant blade on the whole, while having improved the impact resistance of abrasion-resistant blade, reduces wear-resisting material The built-up welding workload of material, saves the use of wear-resistant material, reduces cost.
In some embodiments, as shown in Figure 1, Figure 2 or shown in Fig. 3, wear-resistant block 1 is outer on the working face 31 of blade body 3 Edge region is uniformly distributed.Being uniformly distributed on above-mentioned zone of wear-resistant block 1 is conducive to the uniformity of outer edge area wearability and whole Body improves.
In some embodiments, multiple wear-resistant blocks 1 are distributed as two rows or more from outside to inside in outer edge area, two rows of above resistance to Per the adjacent dislocation arrangement of two rows of wear-resistant blocks 1 in abrading block 1.As shown in Figure 1, Figure 2 or shown in Fig. 3, plurality of wear-resistant block 1 is in rim area Domain is distributed as two rows from outside to inside.The setting makes the working face 31 that the distribution of wear-resistant block 1 is more conducive to prevent blade body 3 grind Damage.
In some embodiments, the outer edge area on the working face 31 of blade body 3 be distributed multiple wear-resistant blocks 1 technique it is logical Cross casting technique realization.In casting technique, the casting pattern of blade body 3 is corresponding to pre-buried wear-resisting on the region of outer edge area Block 1.Cast is used to form the metallic solution of the blade body 3 of abrasion-resistant blade, is achieved that after metallic solution solidification multiple wear-resisting The distribution of outer edge area of the block 1 on the working face 31 of blade body 3.The wear-resistant block 1 realized by the above method is in blade sheet The distribution of outer edge area on the working face 31 of body 3, can improve the bond strength of wear-resistant block 1 and blade body 3, further protect Having demonstrate,proved abrasion-resistant blade can be continuously and effectively wear-resisting.
In some embodiments, it is preset with for build-up wear-resistant item 2 in the interior zone on the working face 31 of blade body 3 Groove.Pregroove is conducive to the bond strength for improving the wear rib 2 and blade body 3 of built-up welding, while being conducive to improve heap Stability during weldering, with realize wear rib 2 uniformly and efficiently built-up welding in interior zone.
In some embodiments, the groove being preset in the interior zone on the working face 31 of blade body 3 is open from it There are the increased parts in cross section in side to its bottom wall direction.As shown in figure 4, partial cross sectional of the groove in its blade body increases Greatly.Such as reverse V-shaped groove, inverted T shaped groove etc..Pregroove can further improve the combination of wear rib 2 and blade body 3 Intensity.
In some embodiments, wear-resistant block 1 is composite polycrystal-diamond as shown in Figure 5.Composite polycrystal-diamond packet Include polycrystalline diamond layer 11 and hard alloy 12 compound therewith.Composite polycrystal-diamond both with diamond high rigidity, High-wearing feature and thermal conductivity, and intensity and toughness with hard alloy.Using composite polycrystal-diamond as resistance to After abrading block 1, the wearability and impact resistance of the outer edge area on the working face 31 of blade body 3 can be effectively improved, effectively It ensure that the wear-resisting property and shock resistance of the crucial part of abrasion-resistant blade.
Composite polycrystal-diamond, which is above-mentioned block structure, can promote the efficient utilization to composite polycrystal-diamond, save Cost-saving, while being also beneficial to specific aim setting of the composite polycrystal-diamond in blade body 3.
In some embodiments, wear-resistant block 1 includes being embedded in root inside blade body 3 and positioned at blade body 3 External top, at least partly cross section of root are more than the cross section at top.The setting makes wear-resistant block 1 and blade body 3 In conjunction with more securely.
Wear-resistant block 1 can with various shapes, such as can be cylindricality block, circular cone, arc block or three in two kinds or Three kinds of combination block.
In some embodiments, the quantity that the wear rib 2 in blade body 3 is arranged is multiple.The shape of wear rib 2 can To be S types, Reciprocatory, undaform etc..Wear rib 2 is set as strip, again advantageous while raising for interior zone wearability In the surface brittleness for avoiding increasing abrasion-resistant blade.
In some embodiments, wear rib 2 is uniformly distributed in interior zone, this is conducive to the wearability of blade body 3 Globality and uniformity improve.
In some embodiments, as shown in Figure 1, Figure 2 and Figure 3, abrasion-resistant blade is for being connected to installation axle, abrasion-resistant blade With the installation axle center corresponding to installation axle axle center, wear rib 2 is around the arc strip for installing axle center of abrasion-resistant blade, spiral shape Item or radial item.Wear rib 2 can increase wear rib 2 around installation axle center arrangement in the case of 2 material identical of wear rib Abrasion-resistant blade interior zone is protected, the wear-resisting property of abrasion-resistant blade is optimized.
In some embodiments, wear rib 2 enhances iron base composite material or titanium carbide granule by tungsten carbide particle and enhances Iron base composite material is made.It is high hard that tungsten carbide particle, which enhances iron base composite material and titanium carbide granule enhancing iron base composite material, The material of degree, high-wearing feature, wear rib 2 can further increase the wear-resisting property of abrasion-resistant blade using above-mentioned material.
In some embodiments, using the wear rib of above-mentioned material 2, in the interior zone of the working face 31 of blade body 3 When upper built-up welding above-mentioned material, it can be the wear rib 2 of 50HRC~70HRC with built-up welding hardness, be matched with the wear-resistant block 1 with outer edge area It closes, the material being applicable under different operating modes.For example, built-up welding hardness it is smaller 2 hardness of wear rib it is low, but its impact flexibility is big;Built-up welding Larger 2 hardness of wear rib of hardness is high, but its impact flexibility is small.
For example, the composite polycrystal-diamond of the outer edge area of the working face 31 of the blade body 3 of abrasion-resistant blade is as One guard plot bears maximum centrifugal force, impact force and abrasive forces.Wear rib 2 is used as the second guard plot, 2 Rockwell of wear rib When hardness is 60HRC, impact flexibility is big, then the abrasion-resistant blade is suitable for thump, the small work of strong wear-resisting, building stones mohs hardness Condition.
For another example the composite polycrystal-diamond of the outer edge area on the working face 31 of the blade body 3 of abrasion-resistant blade is made For the first guard plot, maximum centrifugal force, impact force and abrasive forces are born, wear rib 2 is used as the second guard plot, wear rib 2 Rockwell hardness is 65HRC, and impact flexibility is smaller, then the abrasion-resistant blade is big suitable for low impact, strong wear-resisting, building stones mohs hardness Operating mode.
Using above-mentioned tungsten carbide particle enhance iron base composite material or titanium carbide granule enhancing iron base composite material as The wear rib 2 of the material of wear rib 2, selective built-up welding different hardness is matched with the composite polycrystal-diamond with outer edge area It closes, targetedly abrasion-resistant blade is formed for the material under different zones difference operating mode, more efficiently to utilize wear-resistant material With the better performance for playing abrasion-resistant blade.
In some embodiments, enhance iron base composite material in the above-mentioned titanium carbide granule of use or tungsten carbide particle increases It can also increase other alloying elements such as aluminium oxide in strong iron base composite material to further increase its mechanical property.
In some embodiments, the hardness of wear rib 2 is 65HRC either 60HRC or 55HRC.
In one embodiment, as shown in Figure 1, interior zone on the working face 31 of blade body 3, surrounds wear-resisting leaf The wear rib 2 that the installation axle center arrangement built-up welding hardness of piece is about 65HRC, to be arranged around multiple concentric circles arcuations in installation axle center Wear rib 2.In some embodiments, it is also possible to be S types wear rib, undaform wear rib etc..It is arranged in blade body 3 and uses In the groove of build-up wear-resistant item 2.Lost foam casting process can be utilized to manufacture blade body 3.In the casting pattern of blade body 3 It is upper to preset inverted T shaped groove to be correspondingly formed inverted T shaped groove in blade body 3, can also be other shapes in some embodiments Shape groove, for powder plasma surfacing tungsten carbide particle enhancing iron base composite material wear rib 2.This method obtains wear-resisting The composite polycrystal-diamond of blade, outer edge area bears maximum centrifugal force, impact force and abrasion as the first guard plot Power, wear rib 2 are used as the second guard plot, Rockwell hardness to reach 4.6J/cm up to 65HRC, impact flexibility2.The abrasion-resistant blade is suitable It is higher than the operating mode of 6 mohs hardnesses for low impact, strong wear-resisting, building stones hardness, service life was up to 1400 hours.
In another embodiment, as shown in Fig. 2, interior zone on the working face 31 of blade body 3, in installation The heart arranges the multiple linear type wear ribs 2 for the radial distribution that built-up welding hardness is about 60HRC.Multiple wear ribs 2 are with abrasion-resistant blade Installation center around be in divergent shape arrange.Can also be other shapes wear rib 2 in some embodiments.In blade body Inverted T shaped groove is preset on 3, can also be other shapes groove in some embodiments, is used for powder plasma surfacing tungsten carbide Particle reinforced iron matrix composites wear rib 2.The abrasion-resistant blade that this method obtains, the composite polycrystal-diamond of outer edge area As the first guard plot, maximum centrifugal force, impact force and abrasive forces are born, wear rib 2 is used as the second guard plot, Rockwell hard Degree reaches 6.2J/cm up to 60HRC, impact flexibility2.The abrasion-resistant blade is suitable for medium impact, strong wear-resisting, building stones hardness 4~6 The operating mode of mohs hardness, service life was up to 1500 hours.
In another embodiment, as shown in figure 3, the interior zone of the working face 31 in blade body 3, surrounds wear-resisting leaf The strip-spiral wear rib 2 that the installation axle center arrangement built-up welding hardness of piece is about 55HRC.Can also be other in some embodiments Shape wear rib 2.Inverted T shaped groove is preset on the lost foam casting leaf model of blade body 3, also may be used in some embodiments To be other shapes groove, for powder plasma surfacing tungsten carbide particle enhancing iron base composite material wear rib 2.This method The composite polycrystal-diamond of the abrasion-resistant blade of acquisition, outer edge area bears maximum centrifugal force, impact as the first guard plot Power and abrasive forces, wear rib 2 are used as the second guard plot, Rockwell hardness to reach 9.3J/cm up to 55HRC, impact flexibility2.This is resistance to The operating mode and bituminous concrete operating mode that blade is suitable for thump, strong wear-resisting, building stones hardness is less than 4 mohs hardnesses are ground, the longevity is used Life was up to 1500 hours.
The utility model embodiment also provides a kind of conveying device, and conveying device includes abrasion-resistant blade above-mentioned.Further Ground, the utility model embodiment also provide a kind of engineering machinery, including conveying device above-mentioned.The engineering machinery is, for example, to pave Machine.The helical blade conveying material of paver is easily frayed and impacts, conveying of the above-mentioned abrasion-resistant blade especially suitable for paver Device.
The utility model also provides a kind of production method of abrasion-resistant blade, and production method includes:Wear-resistant block is set, it will be multiple Wear-resistant block 1 is set on the working face 31 of the blade body 3 of abrasion-resistant blade and is laid in the outer edge area of working face 31;It is arranged wear-resisting Wear rib 2 is set on working face 31 and is laid in the interior zone of working face 31 being located inside outer edge area by item.
Setting wear-resistant block may be used including modes such as welding, casting, mechanical connections.Heap may be used in setting wear rib The modes such as weldering, plating.
In some embodiments, setting wear-resistant block includes casting step, and casting step includes:The blade of abrasion-resistant blade is provided The casting pattern of ontology 3;Wear-resistant block 1 is embedded in the region of the outer edge area corresponding to working face 31 of casting pattern in advance;It utilizes Wear-resistant block 1 to be integrally formed at the working face 31 of blade body 3 by casting technique by casting pattern casting wear-resistant blade body On.
The casting methods such as casting method with the vanishing pattern casting, sand casting may be used in casting step.Using casting method with the vanishing pattern When casting, wear-resistant block 1 is embedded in the lost-foam casting model for corresponding to the outer edge area on working face 31 of blade body 3 in advance In region, then casting metal solution makes lost-foam casting model vaporize, and after metallic solution solidification, wear-resistant block 1 and blade body 3 are just It is combined as a whole.When sand casting, wear-resistant block 1 is embedded in sand mold in advance corresponding to the outer rim on the working face 31 of blade body 3 The region in region, after taking out abrasion-resistant blade model, the remaining sand mold cavity for being embedded with wear-resistant block 1 is blade body 3 Then casting pattern pours into a mould the molten metal for being used to form blade body 3 in sand mold cavity, can be real after solidification of molten metal The combination of existing wear-resistant block 1 and blade body 3.
In some embodiments, the casting pattern for providing the blade body 3 of abrasion-resistant blade includes that casting pattern is made to include setting It is placed in it and corresponds to the groove forming portion in the region of interior zone, groove forming portion is used to be formed on working face 31 resistance to for built-up welding The bottom of the groove of abrasive stick 2, wear rib 2 is set in groove.
In some embodiments, groove forming portion is set as making the groove on working face 31 from its open side to its bottom wall side To there are the increased parts in cross section..
In some embodiments, setting wear rib is included in interior zone build-up wear-resistant item 2.In some embodiments, exist After casting step produces the blank of abrasion-resistant blade, the material pile for being used to form wear rib is welded in work on the blank of abrasion-resistant blade Make the interior zone in face 31, the region on abrasion-resistant blade blank corresponds on the working face 31 of the blade body 3 of abrasion-resistant blade Portion region.
Wear rib 2 enhances iron base composite material by tungsten carbide particle or titanium carbide granule enhancing iron base composite material is made. It includes that the hardness of wear rib 2 is made to be 50HRC~70HRC that wear rib, which is arranged,.For example, the hardness of wear rib 2 be 65HRC or 60HRC or 55HRC.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model rather than limits it System;Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should Understand:It can still modify to specific embodiment of the present utility model or some technical characteristics are equally replaced It changes;Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model In range.

Claims (17)

1. a kind of abrasion-resistant blade, which is characterized in that including:
Blade body (3);
Multiple wear-resistant blocks (1), the multiple wear-resistant block (1) are set on the working face (31) of the blade body (3) and lay Outer edge area in the working face (31);
Wear rib (2), the wear rib (2) are set on the working face (31) of the blade body and are laid in the working face (31) the interior zone being located inside the outer edge area.
2. abrasion-resistant blade as described in claim 1, which is characterized in that the wear-resistant block (1) is uniformly divided in the outer edge area Cloth.
3. abrasion-resistant blade as described in claim 1, which is characterized in that the multiple wear-resistant block (1) the outer edge area from It is distributed as two rows or more outside to inside, is arranged per adjacent two rows of wear-resistant blocks (1) dislocation in the above wear-resistant block of two rows (1).
4. abrasion-resistant blade as described in claim 1, which is characterized in that the multiple wear-resistant block (1) passes through casting technique one It is set on the working face (31).
5. abrasion-resistant blade as described in claim 1, which is characterized in that the interior zone is preset with for wear-resisting described in built-up welding The bottom of the groove of item (2), the wear rib (2) is set in the groove.
6. abrasion-resistant blade as claimed in claim 5, which is characterized in that the groove exists from its open side to its bottom wall direction The increased part in cross section.
7. abrasion-resistant blade as described in claim 1, which is characterized in that the wear-resistant block (1) is composite polycrystal-diamond.
8. abrasion-resistant blade as described in claim 1, which is characterized in that the wear-resistant block (1) includes being embedded in the blade sheet The internal root of body (3) and the top positioned at the outside of the blade body (3), the cross section of at least partly described root is more than The cross section at the top.
9. abrasion-resistant blade as described in claim 1, which is characterized in that the abrasion-resistant blade includes multiple wear ribs (2).
10. abrasion-resistant blade as claimed in claim 9, which is characterized in that the multiple wear rib (2) is equal in the interior zone Even distribution.
11. abrasion-resistant blade as claimed in claim 9, which is characterized in that the abrasion-resistant blade is for being connected to installation axle, institute It is around the installation axle center of the abrasion-resistant blade to state blade to have the installation axle center for corresponding to the installation axle axle center, the wear rib Arc strip, spiral shape item or the radial item of setting.
12. the abrasion-resistant blade as described in claim 1 to 11 is any, which is characterized in that the wear rib (2) is by tungsten carbide particle Enhancing iron base composite material or titanium carbide granule enhancing iron base composite material are made.
13. the abrasion-resistant blade as described in claim 1 to 11 is any, which is characterized in that the hardness of the wear rib (2) is 50HRC~70HRC.
14. the abrasion-resistant blade as described in claim 1 to 11 is any, which is characterized in that the hardness of the wear rib (2) is 65HRC either 60HRC or 55HRC.
15. a kind of conveying device, which is characterized in that include the abrasion-resistant blade as described in claim 1 to 14 is any.
16. a kind of engineering machinery, which is characterized in that including conveying device as claimed in claim 15.
17. engineering machinery as claimed in claim 16, which is characterized in that the engineering machinery is paver.
CN201721889376.8U 2017-12-29 2017-12-29 Abrasion-resistant blade, conveying device and engineering machinery Withdrawn - After Issue CN207958920U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107964853A (en) * 2017-12-29 2018-04-27 徐工集团工程机械有限公司 Abrasion-resistant blade, conveying device, the production method of engineering machinery and abrasion-resistant blade
CN110434290A (en) * 2019-09-18 2019-11-12 石卫东 A kind of compound screw feeder blade of paver distributing device and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107964853A (en) * 2017-12-29 2018-04-27 徐工集团工程机械有限公司 Abrasion-resistant blade, conveying device, the production method of engineering machinery and abrasion-resistant blade
CN110434290A (en) * 2019-09-18 2019-11-12 石卫东 A kind of compound screw feeder blade of paver distributing device and preparation method thereof

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