CN106480914A - Blade and land smoothing machine for land smoothing machine - Google Patents
Blade and land smoothing machine for land smoothing machine Download PDFInfo
- Publication number
- CN106480914A CN106480914A CN201610211026.XA CN201610211026A CN106480914A CN 106480914 A CN106480914 A CN 106480914A CN 201610211026 A CN201610211026 A CN 201610211026A CN 106480914 A CN106480914 A CN 106480914A
- Authority
- CN
- China
- Prior art keywords
- blade
- smoothing machine
- land smoothing
- installing hole
- blade body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/80—Component parts
- E02F3/815—Blades; Levelling or scarifying tools
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/80—Component parts
- E02F3/815—Blades; Levelling or scarifying tools
- E02F3/8152—Attachments therefor, e.g. wear resisting parts, cutting edges
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to a kind of blade and land smoothing machine for land smoothing machine, wherein, the blade for land smoothing machine includes blade body (1), discrete at least part of cutting face of blade body (1) is provided with superhard material.The blade for land smoothing machine of the present invention, hardness and the wearability in blade cut face can be improved, during so that land smoothing machine is worked under the more severe working condition such as mountain region hard rock, blade as consumable accessory remains to reach longer service life, it is thus able to suitable for different types of operating mode, and replacement cycle of consumable accessory can be shortened, so as to reducing the workload of maintenance and saving maintenance cost；In addition, the discrete mode for arranging superhard material can more save material, so as to save the cost of production blade further.
Description
Technical field
The present invention relates to technical field of engineering machinery, more particularly to a kind of knife for land smoothing machine
Piece and land smoothing machine.
Background technology
Land leveller, bull-dozer be one kind be widely used in highways and streets, large-scale goods yard,
Path formation special equipment in the construction projects such as parking lot, airport.Grader blade is level land
Vitals on machine and bull-dozer, and main consumable accessory.Blade is installed in equipment
Front end, is directly contacted with materials such as ore, sandy soil, rocks, was both susceptible to grinding abrasion,
Can be withstood shocks with bending load again and act on, the land leveller being especially operated on mountain region, operating mode
More severe, abrasion is very serious, causes service life shorter.
In prior art, grader blade is prepared mainly using import abrasion-resistant stee, or in blade
Forward position built-up welding rich chromium cast iron wearing layer or Tungsten Carbide Surfacing wearing layer, tungsten carbide wear resistant layer is one
Black hexagonal is planted, have the characteristics that high rigidity and high-wearing feature.
When carrying out smooth to soil or the road for having stone, compared with ordinary blade, use
Above-mentioned heap is welded with abrasion-resistant stee or the blade that has wearing layer can significantly increase wearability.However,
On the mountain region with hard rock, the wear-resisting steel blade of import, rich chromium cast iron wearing layer blade and carbonization
Tungsten wearing layer blade is relatively easy to wear and tear, and the life-span is shorter, can not still meet the needs of production.
Content of the invention
The purpose of the present invention is to propose to a kind of blade and land smoothing machine for land smoothing machine, can
Blade is made to be respectively provided with higher service life under multiple bad working environments.
For achieving the above object, first aspect present invention provides a kind of knife for land smoothing machine
Piece, including blade body 1, discrete at least part of cutting face of the blade body 1 is provided with
Superhard material.
Further, the superhard material is composite polycrystal-diamond PDC or cube nitridation
Boron.
Further, the superhard material forms inner lining body 3, and the inner lining body 3 is along the knife
The thickness direction of piece body 1 is embedded in the blade body 1.
Further, the end face of the inner lining body 3 is not less than the cutting face of the blade body 1.
Further, row's installing hole 2 is at least offered on the cutting face of the blade body 1,
The shape of the inner lining body 3 is adapted with the installing hole 2.
Further, installing hole 2 described in each row is along the length direction of the blade body 1
Uniform intervals are arranged.
Further, installing hole 2 described in two rows is offered on the cutting face of the blade body 1,
Installing hole 2 described in two rows is located at the different position of thickness in the blade body 1, and wherein one
Arrange the installing hole 2 to be located at the forward position of the blade body 1.
Further, the phase on the length direction of the blade body 1 of installing hole 2 described in two rows
Mutually stagger setting.
Further, the inner lining body 3 is embedded in the installing hole 2 by soldering.
For achieving the above object, second aspect present invention provides a kind of land smoothing machine, including upper
State the blade for land smoothing machine described in embodiment.
Based on technique scheme, the blade for land smoothing machine of the present invention, by blade
Discrete at least part of cutting face of body it is provided with superhard material, it is possible to increase blade cut face
Hardness and wearability so that land smoothing machine work under the more severe working condition such as mountain region hard rock
When making, the blade as consumable accessory remains to reach longer service life, it is thus possible to be applied to
Different types of operating mode；Meanwhile, the raising of blade life can also shorten the replacing week of consumable accessory
Phase, so as to reducing maintenance load and saving maintenance cost；In addition, discrete setting superhard material
Mode can more save material, so as to save further production blade cost.
Description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the application
A part, the schematic description and description of the present invention is used for explaining the present invention, not structure
Become inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is used for the Rotating fields schematic diagram of the PDC of the blade of land smoothing machine for the present invention；
Fig. 2 is used for the structural representation of one embodiment of the blade of land smoothing machine for the present invention；
Fig. 3 is used for the structural representation of another embodiment of the blade of land smoothing machine for the present invention
Figure.
Specific embodiment
The present invention described further below.In the following paragraphs, embodiment is defined in more detail
Different aspect.The each side for so limiting can be with any other one side or many aspects
Combination, not can be combined unless explicitly stated otherwise.Especially, it is considered to be preferred or favourable appoints
What feature can one or more with other be considered as preferred or favourable combinations of features.
The term descriptions merely for convenience such as " first ", " second " occurred in the present invention,
So that the different building blocks with same names are distinguished, priority or primary-slave relation is not offered as.
In describing the invention, it is to be understood that term " length ", " width ",
The orientation of instructions such as " thickness " or position relationship be based on orientation shown in the drawings or position relationship,
The description present invention is for only for ease of, rather than indicates or imply that the device of indication must have spy
Fixed orientation, with specific azimuth configuration and operation, therefore it is not intended that protecting to the present invention
The restriction of scope.
Operationally easily wear and tear to solve the blade in prior art for land smoothing machine
Problem, the invention provides a kind of improved blade for land smoothing machine, for installed in flat
Ground machine work device front end, blade operationally directly with front ground on ore, sand
The material contact such as soil or rock, the contact surface are referred to as cutting face.As shown in Figures 2 and 3, this
Kind includes blade body 1, at least part of cutting of blade body 1 for the blade of land smoothing machine
Discrete on face be provided with superhard material, superhard material is the material that hardness can be comparable with diamond.
Blade of the prior art is in order to improve wearability, main using high in the built-up welding of blade forward position
Chrome cast iron or the mode of Tungsten Carbide Surfacing wearing layer, wearing layer is in the certain area in blade forward position
In sequential like.And the blade of the present invention is provided with superhard material first at least part of cutting face,
The hardness of this kind of material can enter one higher than rich chromium cast iron or the hardness of Tungsten Carbide Surfacing wearing layer
Step improves the hardness in blade body cutting face and wearability so that land smoothing machine is in mountain region hard rock etc.
When working under more severe working condition, the blade as consumable accessory remains to reach longer making
With the life-span, it is thus possible to suitable for different types of operating mode, while the raising in life-span can also be contracted
The replacement cycle of short consumable accessory, so as to reducing the workload of maintenance and saving maintenance cost.Enter one
Step ground, as superhard material possesses higher hardness, is not suitable for large area Attachments and exists
The set-up mode in blade body cutting face, thus discrete arrange superhard material mode more meet super
The characteristic of hard material itself, manufactures more convenient, moreover it is possible to more save material, so as to further
Save the cost of production blade.
Preferably, superhard material can select composite polycrystal-diamond (abbreviation PDC) or
Cubic boron nitride etc..Wherein, PDC is the composite that hard alloy is constituted with diamond, firmly
Degree is up to 8000HV, and wearability can reach more than 20 times of existing use blade wearability, and it is permissible
The base layer 32 that is made for hard alloy using the Rotating fields shown in Fig. 1, lower floor, upper strata are gold
Hard rock layer 31.
In a kind of embodiment for arranging superhard material, superhard material can be inlayed and be arranged on blade
In body 1, this mode can cause fixation more reliable.In addition, those skilled in the art
Superhard material can be fixed on by 1 cutting face of blade body by modes such as bonding or solderings
On surface.Subsequent descriptions for convenience, first some directions to using below be defined, with
On the basis of Fig. 2 and Fig. 3, the thickness direction of blade body 1 is perpendicular to the direction in paper, long
Degree direction is the horizontal direction of in figure, and width is the vertical direction of in figure.
Specifically, as shown in figure 1, superhard material can be made to form inner lining body 3, inner lining body 3
Thickness direction along blade body 1 is embedded in blade body 1.The embodiment can not only be carried
The hardness and wearability in the cutting face of high blade body 1, and be embedded in interior in blade body 1
Liner body 3 can also function similarly to the effect of skeleton, and reaching increases the effect of 1 intensity of blade body,
When land smoothing machine is operated in the hard rock of cutting or ground, can avoid as far as possible blade due to
Intensity is not enough and bend.
In order to give full play to the antiwear characteristic of superhard material, with the cutting to blade body 1
Face is protected, and the end face of inner lining body 3 is not less than the cutting face of blade body 1, especially right
The embodiment in 1 cutting face of blade body is slightly above in the end face of inner lining body 3, in blade road pavement
During being cut, the end face of inner lining body 3 can first with the things such as ore, sandy soil, rock
Material contact, and bear larger active force and abrasion such that it is able to it is right to reduce to a certain extent
The abrasion of blade body 11.
For the embodiment for being embedded with inner lining body 3 in blade body 1, in order to realize inner lining body 3
Installation, at least offer row's installing hole 2, and inner lining body 3 on the cutting face of blade body 1
Shape be adapted with installing hole 2, multiple inner lining bodies 3 are embedded respectively in installing hole 2,
Installing hole 2 can be blind hole or through hole.The convenience of manufacture is considered, can be by inner lining body
3 are processed as cylinder, and correspondingly installing hole 2 is circular hole, certainly, examines from attainable angle
Consider, it is also possible to inner lining body 3 is processed as taper, prismatic or pyramid etc., and will be installed
Hole 2 is designed as corresponding shape.
Preferably, each row's installing hole 2 is set along the length direction uniform intervals of blade body 1
Put, can so make the intensity along its length of blade body 1 and antiwear characteristic more uniform, to the greatest extent
Amount avoids the occurrence of the phenomenon of local segment excessive wear.And, ensureing 1 intensity of blade body
On the basis of, the spacing between adjacent installing hole 2 is less, can just obtain better intensity and wear-resisting
Characteristic.
Further, in the above embodiments, in order to realize more solid and reliable fixation, with
The life-span of blade is improved, after inner lining body 3 is embedded in installing hole 2, soldering can also be passed through
Mode be fixed.
According to installing hole given above 2 and the set-up mode of inner lining body 3, it is given below several
Plant specific design example.But it is in actual design, according to different working conditions, permissible
The distribution form for selecting inner lining body 3 different in blade body 1.And the thickness of inner lining body
Can be selected according to the thickness of 1 reality of blade body.As long as superhard material is applied to put down
On the blade of ground machinery, protection scope of the present invention is belonged to.
In the first embodiment, as shown in Fig. 2 along length on the cutting face of blade body 1
One row's installing hole 2 of direction uniform intervals ground auger, it is preferable that this row's installing hole 2 is near blade sheet
The forward position position of body 1, i.e., near the position of blade, so can be to the blade part of thinner thickness
Position is protected, and is affected intensity and the wearability of blade when preventing work by larger impulsive force.
Again by thickness for 4mm 3 soldering of cylindrical liner body that is made using PDC in installing hole 2
Interior, in addition, blade body 1 away from installing hole 2 one end along the length side of blade body 1
To one row's fixing hole 4 of interval setting, for blade is fixed on before land smoothing machine equipment
End.It is hard rock that the blade of the present embodiment is applied to manipulating object, low impact, the work of strong abrasion
Condition condition.
In a second embodiment, as shown in figure 3, between uniform on the cutting face of blade body 1
Two row's installing holes 2 are opened up every ground, it is different that two row's installing holes 2 are located at thickness in blade body 1
Position, and wherein row's installing hole 2 is located at the forward position of blade body 1, i.e., near blade
Position.3 soldering of cylindrical liner body that is made using PDC by thickness for 4mm is being pacified again
In dress hole 2.Two row's inner lining bodies 3 are embedded in blade body 1 can improve knife body further
1 intensity, can bear larger impact, and can strengthen the wear-resisting of 1 cutting face of blade body
Property.It is hard rock that this blade is applied to manipulating object, middle impact, the working condition of strong abrasion.
Preferably, two row's installing holes 2 mutually stagger setting on the length direction of blade body 1.
This setup can make distribution more crypto set of the inner lining body 3 on 1 length direction of blade body,
So as to further improve the intensity of blade body 1 and the wearability in cutting face.
In the third embodiment, it is evenly spaced apart on the cutting face of blade body 1 to open up two rows
Installing hole 2, is with the difference of second embodiment, by thickness for 8mm PDC system
3 soldering of cylindrical liner body for becoming is in installing hole 2.This blade suitable for manipulating object is
Hard rock, thump, the working condition of strong abrasion.
Several preferred inner lining bodies 3 are given in above-described embodiment on 1 cutting face of blade body
Arrangement mode, but this does not constitute the restriction to arrangement mode, and those skilled in the art are permissible
The arrangement mode of inner lining body 3 is designed according to requirement in practice to blade strength and wearability.
In addition, present invention also offers a kind of land smoothing machine, such as land leveller and bull-dozer etc.,
Including the blade for land smoothing machine described in above-described embodiment.
In prior art, superhard material is mainly used in drill and petroleum extraction toolses, cutting element and wire-drawing die
In field, and inventor considers that the condition of work of land smoothing machine is more severe so as to its work
The wearability for making to install blade on device has higher requirement, thus embodiments of the invention will
Superhard material is applied to land smoothing machine.As the blade for being attached to superhard material has and can be suitable for
In multiple bad working environments, wearability, life-span length advantage, thus the land smoothing machine of the present invention exists
When mountain region hard rock road surface carries out operation, preferable service behaviour can be also embodied, flat so as to widen
The environmental suitability of ground machinery；And longer service life can be reached as the blade of consumable accessory,
Be not susceptible to abrasion, the replacement cycle of blade can be shortened, so as to reduce maintenance workload simultaneously
Save maintenance cost；In addition, the discrete mode for arranging superhard material can make in blade body
The manufacture of blade is convenient, saves material, so as to reduce the cost of land smoothing machine further.
Above a kind of blade for land smoothing machine provided by the present invention and land smoothing machine are entered
Go and be discussed in detail.Principle and embodiment party of the specific embodiment to the present invention used herein
Formula is set forth, the explanation of above example be only intended to help understand the method for the present invention and
Its core concept.It should be pointed out that for those skilled in the art, not
On the premise of departing from the principle of the invention, some improvement and modification can also be carried out to the present invention, this
A little improvement and modification are also fallen in the protection domain of the claims in the present invention.
Claims (10)
1. a kind of blade for land smoothing machine, it is characterised in that including blade body (1),
Discrete at least part of cutting face of blade body (1) it is provided with superhard material.
2. the blade for land smoothing machine according to claim 1, it is characterised in that
The superhard material is composite polycrystal-diamond (PDC) or cubic boron nitride.
3. the blade for land smoothing machine according to claim 1, it is characterised in that
The superhard material forms inner lining body (3), and inner lining body (3) are along the blade body (1)
Thickness direction be embedded in the blade body (1).
4. the blade for land smoothing machine according to claim 3, it is characterised in that
The end face of inner lining body (3) is not less than the cutting face of the blade body (1).
5. the blade for land smoothing machine according to claim 3, it is characterised in that
A row installing hole (2) is at least offered on the cutting face of blade body (1), described interior
The shape of liner body (3) is adapted with the installing hole (2).
6. the blade for land smoothing machine according to claim 5, it is characterised in that
Described in each row, installing hole (2) is along the length direction uniform intervals of the blade body (1)
Arrange.
7. the blade for land smoothing machine according to claim 5, it is characterised in that
Installing hole (2) described in two rows, two row institutes are offered on the cutting face of blade body (1)
State installing hole (2) and be located at the different position of described blade body (1) upper thickness, and wherein one
Arrange the installing hole (2) to be located at the forward position of the blade body (1).
8. the blade for land smoothing machine according to claim 7, it is characterised in that
Described in two rows, installing hole (2) mutually staggers on the length direction of the blade body (1) and sets
Put.
9. the blade for land smoothing machine according to claim 5, it is characterised in that
Inner lining body (3) are embedded in the installing hole (2) by soldering.
10. a kind of land smoothing machine, it is characterised in that arbitrary described including claim 1～9
The blade for land smoothing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610211026.XA CN106480914A (en) | 2016-04-06 | 2016-04-06 | Blade and land smoothing machine for land smoothing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610211026.XA CN106480914A (en) | 2016-04-06 | 2016-04-06 | Blade and land smoothing machine for land smoothing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106480914A true CN106480914A (en) | 2017-03-08 |
Family
ID=58238554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610211026.XA Pending CN106480914A (en) | 2016-04-06 | 2016-04-06 | Blade and land smoothing machine for land smoothing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106480914A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001303607A (en) * | 2000-04-21 | 2001-10-31 | Hitachi Constr Mach Co Ltd | Excavating bucket |
| CN202247986U (en) * | 2011-09-30 | 2012-05-30 | 铜陵化工集团新桥矿业有限公司 | Bulldozer for mine |
| CN202324032U (en) * | 2011-11-23 | 2012-07-11 | 山推工程机械股份有限公司 | Wear-resistance type shovel knife of bulldozer |
| CN205712251U (en) * | 2016-04-06 | 2016-11-23 | 徐工集团工程机械有限公司 | Blade and land smoothing machine for land smoothing machine |
-
2016
- 2016-04-06 CN CN201610211026.XA patent/CN106480914A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001303607A (en) * | 2000-04-21 | 2001-10-31 | Hitachi Constr Mach Co Ltd | Excavating bucket |
| CN202247986U (en) * | 2011-09-30 | 2012-05-30 | 铜陵化工集团新桥矿业有限公司 | Bulldozer for mine |
| CN202324032U (en) * | 2011-11-23 | 2012-07-11 | 山推工程机械股份有限公司 | Wear-resistance type shovel knife of bulldozer |
| CN205712251U (en) * | 2016-04-06 | 2016-11-23 | 徐工集团工程机械有限公司 | Blade and land smoothing machine for land smoothing machine |
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Application publication date: 20170308 |