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.
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.