CN107142981A - Perching knife body, spading system and land leveller - Google Patents
Perching knife body, spading system and land leveller Download PDFInfo
- Publication number
- CN107142981A CN107142981A CN201710567874.9A CN201710567874A CN107142981A CN 107142981 A CN107142981 A CN 107142981A CN 201710567874 A CN201710567874 A CN 201710567874A CN 107142981 A CN107142981 A CN 107142981A
- Authority
- CN
- China
- Prior art keywords
- perching knife
- knife body
- spading
- angle
- arc plate
- 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
Links
- 208000028804 PERCHING syndrome Diseases 0.000 title claims abstract description 111
- 230000035515 penetration Effects 0.000 claims abstract description 22
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 239000013590 bulk material Substances 0.000 description 7
- 239000002689 soil Substances 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- PGLIUCLTXOYQMV-UHFFFAOYSA-N Cetirizine hydrochloride Chemical compound Cl.Cl.C1CN(CCOCC(=O)O)CCN1C(C=1C=CC(Cl)=CC=1)C1=CC=CC=C1 PGLIUCLTXOYQMV-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
-
- 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)
- Road Repair (AREA)
Abstract
The invention discloses a kind of perching knife body, spading system and land leveller, it is related to field of construction machinery, the structure to optimize existing perching knife body to realize its angle of penetration, angle of digging and spading operating angle while reaching most preferably, and is easy to processing and manufacturing.The perching knife body includes the arc plate of shovel blade and at least two sections splicings, and shovel blade is located at the arc plate at most edge；The radius of each section of arc plate is different.The technical scheme that above-described embodiment is provided, the shape required for perching knife body is realized using the splicing of multi-section circular arc plate, angle of penetration, angle of digging and spading operating angle can be achieved while reaching optimal, and each section of arc plate can a roll forming, save processing cost, handling ease, the accuracy of manufacture easily ensure so that the spading performance and efficiency of land leveller are increased dramatically.
Description
Technical field
The present invention relates to spading class engineering machinery field, and in particular to a kind of perching knife body, spading system and land leveller.
Background technology
Land leveller be one kind based on perching knife, other a variety of interchangeable apparatus for work are equipped with, for carrying out soil, sandstone etc.
Bulk material shoveling, smooth and plastic operation spading class engineering machinery, are mainly used in the big face such as road, airport, farmland, water conservancy
Product and scrapes slope, ditching, bulldozes, loosens the soil, removing the construction operations such as ice and snow on road surfaces at land smoothing, is that national defence, traffic, water conservancy basis are set
Apply the important equipment of construction.As Large Infrastructure Projects construction increases year by year, generous amount bulk material weight is carried out using land leveller
The operating mode for carrying shoveling operation is more and more.However, because perching knife structure design is unreasonable, causing in heavily loaded shoveling operation, put down
The spading poor-performing of ground machine, in terms of being mainly manifested in three below：Spading resistance is larger, bulk material rolling distance is too near,
Tire often skids, and system dynamic plays degree wretched insufficiency.
A kind of ejector dozer of bull-dozer is disclosed in the prior art, provided with tactile native face, upper surface, lower surface and rear end face,
Touch the curved surface that soil face is the formation of single hop circular arc, touch soil face and be oppositely arranged with rear end face, touch native face top and rear end face top it
Between level be provided with upper surface, be provided tiltedly with lower surface between native face bottom and rear end face bottom touching, lower surface is in the horizontal direction
Tilt.
Inventor has found, at least there are following problems in the prior art：Land leveller spading operation complicated mechanism, existing list
What section circular arc type perching knife body was suitable for small earth volume strikes off operation, in heavily loaded spading operation, it is impossible to realize angle of penetration, dig
Angle and spading operating angle reach optimal simultaneously, cause that perching knife spading resistance is big, distance of digging is near, spading efficiency is low, easily
Skid.
The content of the invention
One of purpose of the present invention is to propose a kind of perching knife body, spading system and land leveller, to optimize existing shovel
The structure of cutter hub, to realize its angle of penetration, angle of digging and spading operating angle while reaching most preferably, and is easy to processing to make
Make.
To achieve the above object, the invention provides following technical scheme：
The invention provides a kind of perching knife body, including shovel blade and the arc plate of at least two sections splicings, the perching knife knife
Piece is located at the arc plate at most edge；The radius of each section of arc plate is different.
In an alternate embodiment of the invention, the angle of penetration of the perching knife body is between 31 degree to 33 degree and/or angle of digging exists
Between 37 degree to 41 degree.
In an alternate embodiment of the invention, the spading angle of the perching knife body is between -5 degree to -10 are spent.
In an alternate embodiment of the invention, the shovel blade is detachably connected with the most edge arc plate.
In an alternate embodiment of the invention, the radius of the arc plate increases successively from top to bottom.
In an alternate embodiment of the invention, two sections of adjacent arc plates are weldingly connected.
In an alternate embodiment of the invention, perching knife body also includes connector, and the arc plate is installed on the connector, the company
Fitting is used to be connected with angle position device, and the connector can drive the arc plate relative to the device sliding of angle position.
Another embodiment of the present invention provides a kind of spading system, including the perching knife that any technical scheme of the invention is provided
Body.
In an alternate embodiment of the invention, the perching knife body is located at hitch frame, work of the perching knife body phase for the hitch frame
Industry posture can be adjusted.
In an alternate embodiment of the invention, the perching knife body is located at angle position device, and angle position device is located at the hitch frame, the shovel
Cutter hub can in a first direction slide relative to angle position device.
In an alternate embodiment of the invention, the hitch frame is located at slew gear, and the hitch frame is rotatably arranged in described return
Rotation mechanism, the hitch frame is second direction, the first direction and described the relative to the rotation direction of the slew gear
Two directions are different.
In an alternate embodiment of the invention, the slew gear can drive the hitch frame synchronous revolving.
Another embodiment of the present invention provides a kind of land leveller, including the spading system that any technical scheme of the invention is provided
System.
Based on above-mentioned technical proposal, the embodiment of the present invention can at least produce following technique effect：
The technical scheme that above-described embodiment is provided, the shape realized required for perching knife body is spliced using multi-section circular arc plate, can
Realize angle of penetration, angle of digging and spading operating angle at the same reach it is optimal, and each section of arc plate can a roll forming,
Handling ease, the accuracy of manufacture easily ensure so that the spading performance and efficiency of land leveller are increased dramatically.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation that perching knife body provided in an embodiment of the present invention is arranged on land leveller；
Fig. 2 is the decomposing schematic representation of section components in Fig. 1；
Fig. 3 is perching knife body structural representation provided in an embodiment of the present invention；
Fig. 4 is that land leveller spading operating angle defines schematic diagram one；
Fig. 5 is land leveller complete machine structure sketch provided in an embodiment of the present invention and force analysis figure；
Fig. 6 is land leveller spading operating system structure diagram；
Fig. 7 is that land leveller spading operating angle defines schematic diagram two.
Reference：
1st, shovel blade；2nd, arc plate；3rd, connector；4th, hitch frame；5th, slew gear；6th, backboard；7th, turbine box；8th, angle
Position device；9th, bearing pin；10th, perching knife body；12nd, perching knife posture position-limit mechanism；31st, steel plate；32nd, slideway；33rd, connecting plate.
Embodiment
Illustrated in more detail with reference to Fig. 1~Fig. 7 technical schemes provided the present invention.
Referring to Fig. 1 to Fig. 3, perching knife body 10 provided in an embodiment of the present invention, available for the engineering such as soil, sandstone bulk cargo shovel
The field of construction machinery such as pick, smooth and shaping, are particularly suitable for use in the spading system of land leveller.
Referring to Fig. 1 and Fig. 3, the embodiment of the present invention provides a kind of perching knife body 10, including shovel blade 1 and at least two sections splicings
Arc plate 2, shovel blade 1 be located at most edge arc plate 2；The radius of each section of arc plate 2 is different.
Perching knife body 10 highly can be 580-640mm.The height of perching knife body 10 refer to the arcuate structure of perching knife body 10 topmost with most
Vertical distance between lower end.
The intrados of arc plate 2 and the intrados of shovel blade 1 are rounding ofves, this structure of perching knife body 10 more adduction
Reason.Referring to Fig. 3, the direction after being installed using perching knife body 10 is as reference, and most edge refers to that block arc plate 2 positioned at bottom, i.e.,
The arc plate 2 of bottom.
Above-mentioned technical proposal, the shovel blade 1 of perching knife body 10 is arranged on the shape being spliced to form by multi-section circular arc plate 2
On, due to being spliced to form arcuate shape using multi-section circular arc plate 2, the radian of every section of arc plate 2 can be arranged as required to, so
Can just the angle of penetration of perching knife body 10, angle of digging and spading angle three make it that while reaching most preferably taking during heavily loaded spading operation
Value.In addition, using the perching knife body 10 of said structure existing grader basic framework can be kept constant, perching knife body 10 is improved
Affiliated land leveller mobility and spading performance during heavily loaded operation in zero load, during meeting national basis Facilities Construction
The efficiently heavily loaded spading construction operation requirement of big earth volume.
Referring to Fig. 3, in the present embodiment, perching knife body 10 also includes connector 3, and arc plate 2 is installed on connector 3, connector 3
For being connected with angle position device 8, referring to Fig. 1, connector 3 can drive arc plate 2 to be slid relative to angle position device 8.Perching knife body 10 is in work
Pose adjustment is realized during work, pose adjustment relates generally to revolution, pitch, left and right three directions of sliding, herein
It is front and rear with before and after land leveller for reference, before side where headstock is, after side where the tailstock is.By connector 3 relative to angle
The sliding of position device 8, can realize that perching knife body 10 slides in left and right directions.
Referring to Fig. 3, connector 3 specifically includes steel plate 31, slideway 32 and connecting plate 33.Wherein, arc plate 2 is arranged on steel plate
On 31, steel plate 31 is arranged on slideway 32, and slideway 32 is arranged on connecting plate 33, and connecting plate 33 is used for and lateral sliding oil cylinder
One end is connected, and the other end of lateral sliding oil cylinder is connected with angle position device 8.Arc plate 2 and steel plate 31, steel plate 31 and slideway 32, cunning
Can be using welding between road 32 and connecting plate 33.
Referring to Fig. 1, angle position device 8 is the device for being used to control angle of penetration on land leveller, and it includes steel pipe and is welded on
The angle position plate at steel pipe two ends, angle position device 8 may be provided on the inwall of slew gear 5.On the one hand, angle position device 8 can relative to return
Rotation mechanism 5 is rotated, and the opposing party's face angle position device 8 can be turned round with the revolution of slew gear 5.That is, perching knife body 10 can be realized many
In the attitude regulation in individual direction, the present embodiment by perching knife body 10 relative to angle position device 8 sliding, angle position device 8 relative to revolution
The rotation of mechanism 5 and the revolution of slew gear 5 itself realize perching knife body 10 it is front and rear upset, left and right lateral sliding and
360 degree of gyration, that is, realize comprehensive pose adjustment.Hereinafter this is also will be described in detail in the embodiment of spading system
Place.
During heavily loaded spading, the angle of penetration θ of perching knife body 10, angle [alpha] of digging and spading angleSpecific definition
Referring to Fig. 4 and Fig. 7.Angle of penetration θ refers to the tangent line of the bottom arcuate structure of shovel blade 1 and the angle of horizontal direction, and it contains
Justice invades spading operation medium for perching knife bottom with great wedge angle.
Angle [alpha] of digging refers to the angle between perching knife arc result the top arcuate structure tangent line and horizontal direction, its value
Quality directly affects the rolling distance of spading medium.Spading medium refers to the material for treating spading, such as is sandstone, soil etc..
Spading angleRefer to the perching knife arcuate structure string of a musical instrument and vertical direction angle, when being directly connected to heavily loaded spading operation
Vertical force direction and size of the spading medium to perching knife.
In the present embodiment, the angle of penetration θ of perching knife body 10 is between 31 degree to 33 degree.
By land leveller and treat that coupling mechanism is studied between spading granular media operation medium, such as Fig. 5 selects different angle of penetration
Perching knife body 10 carries out spading process study, it is found that land leveller spading resistance is gradually reduced as angle of penetration θ is gradually reduced；It is comprehensive
Close and consider perching knife structure limiting factor, angle of penetration θ is adjusted to 31 degree to 33 degree, it is possible to decrease spading operation resistance.Penetrating angle
It is such as 31 degree, 31.5 degree, 32 degree, 32.5 degree, 33 degree to spend θ.In the present embodiment, by the angle of penetration θ of perching knife body 10 by original
Be adjusted to 31 degree to 33 degree more than 35 degree, it is possible to decrease spading operation resistance 2.0%-3.7%.
Perching knife body 10 digs angle [alpha] between 37 degree to 41 degree, such as be 37 degree, 38 degree, 38.5 degree, 39 degree, 40 degree,
41 degree, the angular range can improve bulk material reversal distance more than 10%.By land leveller with treating spading granular media operation medium
Between coupling mechanism study, such as Fig. 5, under identical spading velocity conditions, treat spading medium under perching knife promotion the level rolled away from
From more remote, the performance of digging of perching knife is better.In spading operation process, one granular media of tracking is extracted, it is promoted in perching knife
B points in perching knife arcuate structure top point Fig. 6 have been moved to by A points in perching knife arcuate structure lowest point Fig. 6 under effect, finally fallen
C points；The optimal problems of value of angle [alpha] of then digging can be converted into has the granular media of same movement speed with B points for which kind of angle
Degree α casts the problem of can realizing the maximum range.For preferably dig angle of the height for 580mm-640mm perching knives body 10
α is 37 degree to 41 degree.Referring to Fig. 7, further, the setting angle δ between shovel blade 1 and ground is such as 6 degree.Chord length L
As shown in Figure 7.
Wherein, in figure 6, V0Refer to material initial velocity, VbIt is then the speed in B points, under rectangular coordinate system, its edge
The component for X-direction is Vbx、Vby, the vertical distance between B points and peak is h1, and A points are S apart from the distance of C points.
Further, the spading angle of perching knife body 10In -5 degree between -10 degree.In the present embodiment, spading angle
Such as -5 degree, -6 degree, -7 degree, -8 degree, -9 degree, -10 degree.Spading angleBy the spading angle of heavily loaded spading operationBy original
0 degree -8 degree come is adjusted to -5 degree and spent to -10, can improve bulk material and react on active force straight down on perching knife body 10
15000N, prevents tyre slip so that system dynamic is not fully exerted.
Perching knife body 10 provided in an embodiment of the present invention, by between land leveller and spading medium coupling mechanism research there is provided
The optimal value of the angle of penetration of perching knife body 10, angle of digging and spading angle in heavily loaded spading operation.
In the present embodiment, the arc plate 2 of shovel blade 1 and most edge is detachably connected.It is possible to further by perching knife knife
Piece 1 is bolted on backboard 6, and then backboard 6 is weldingly connected with arc plate 2.
Grader body 10 is constituted by the way of multi-section circular arc splices, splicing arc radius increases successively from top to bottom
Plus, while meet angle of penetration, angle of digging and spading angle while reach optimum value, improve the synthesis spading of land leveller
Energy.
Specifically, the radius of arc plate 2 increases successively from top to bottom.Exemplified by having two sections of arc plates 2, the circle positioned at upside
The radius of the small underlying arc plate 2 of radius of arc plate 2.The mode of being arranged so as to is easy to so that angle of penetration, angle of digging and
Spading angle reaches optimum value simultaneously.
Specifically, two sections of adjacent arc plates 2 are weldingly connected.The mode spliced using multi-section circular arc can realize perching knife body
On the one hand 10 angle of penetration, angle of digging and spading angle can be matched somebody with somebody before and after land leveller by adjusting while reached optimum value
The weight of pouring weight, reduces main screw lift, meets the efficiently heavily loaded spading job execution requirement of big earth volume.On the other hand, may be used
, can be effectively by resistance of medium to complete machine normal pressure in operation with the operation posture by adjusting the arcuate structure perching knife body
Conversion, now can be on the premise of not increasing balancing weight weight, not adjusting balancing weight position so that the increase of complete machine adhesive force,
Power plays bigger, can be obviously improved the tractive force of complete machine.
Further, axle load is adjusted than in the case of constant, passing through perching knife body state before and after keeping so that resistance of medium
Mobility when being converted to tire normal pressure, main screw lift can be reduced, realize complete machine light-weight design, and improving zero load
Energy.By taking the land leveller that certain existing model gross weight is about 15.6t as an example, although above-mentioned technical proposal reduces land leveller complete machine weight
0.6t is measured, but is due to add bulk material and react on the active force straight down of grader to reach 15000N,
During heavily loaded spading operation, the normal pressure of grader tire adds 0.9t, therefore the operation tractive force of land leveller is still obtained
Greatly improve so that spading performance when mobility of the land leveller in deadhead operation and heavily loaded operation tends to change in the same direction.
Based on being spatially separating principle in TRIZ innovation design theories, it is proposed that the level land based on multi-section circular arc connecting method
The arcuate structure prioritization scheme of mechanical shovel cutter hub 10 and arc radius increases successively from top to bottom, meets angle of penetration, angle of digging
Optimum value is reached simultaneously with spading angle, the synthesis spading performance of land leveller is improved.Perching knife processing is simple, quality is easily protected
Card, circular arc splice type perching knife body 10 is processed simply, and the accuracy of manufacture is easily guaranteed that.
Above-mentioned technical proposal, by land leveller and bulk material coupling study mechanism, and applies TRIZ innovative designs
Separation principle in theory, it is proposed that the structure optimization scheme of multi-section circular arc splice type perching knife body 10, improves big earth volume weight
Carry spading transaction capabilities.
The circular arc splice type perching knife body 10 that the embodiment of the present invention is proposed, the new structure spliced using multi-section circular arc is gone forward side by side
One-step optimization angle of penetration, the value and main screw lift for ploughing under angle and spading angle, reduce main screw lift, improve
Unloaded mobility and heavily loaded spading performance, and processing and manufacturing is easy, precision easily ensures, with low cost.
Fig. 5 be land leveller complete machine structure sketch and force analysis figure, its core work device spading system be located at propons and
Between back axle.If spading resistance is suffered by perching knife：The horizontal resistance F of operation mediumResistanceSmaller, the spading efficiency of system is higher；
Under the conditions of identical blade height, perching knife body 10 is digged, and performance is better, and it is more remote that spading medium is reversed, and spading performance is better；
During heavily loaded spading operation, operation medium reacts on the directed force F straight down on perching knifePerching knifeIt is bigger (when active force straight down
Show that vertical force direction is upward during for negative), the vertical normal pressure between grader tire and ground is bigger, the attachment of tire
Power FTireBigger, the operation hauling ability of system is stronger (being not susceptible to skid).G, G in Fig. 51、G2Represent gravity.
Above-mentioned technical proposal not only increases that mobility of the land leveller in deadhead operation is lightweight, inertia is small, speed
It hurry up, and also improve the spading performance in heavily loaded spading operation, greatly meet customer demand.
Referring to Fig. 1, Fig. 2, another embodiment of the present invention provides a kind of spading system, including any technical scheme institute of the invention
The perching knife body 10 of offer.
Referring to Fig. 2, perching knife body 10 is located at hitch frame 4, and perching knife body 10 can be adjusted relative to the operation posture of hitch frame 4.
Specifically, perching knife body 10 is located at angle position device 8, and angle position device 8 is located at hitch frame 4, and perching knife body 10 can be referring now to angle position device 8
Slide in a first direction.
In order to realize perching knife body 10 in pose adjustment in a second direction, hitch frame 4 is located at slew gear 5, hitch frame 4
It is rotatably arranged in slew gear 5, hitch frame 4 is second direction relative to the rotation direction of slew gear 5, first direction and the
Two directions are different.Such as, first direction it is different from second direction one of them be fore-and-aft direction, another be left and right directions.
Further, slew gear 5 can drive the synchronous revolving of hitch frame 4.Therefore perching knife body 10 also can turning with hitch frame 4
Move and synchronous axial system.The pose adjustment of the gyratory directions of perching knife body 10 can be realized by slew gear 5.
Referring to Fig. 1, Fig. 2, spading system it is main by hitch frame 4, slew gear 5, slew gear stopping means, turbine box 7,
The part compositions such as perching knife body 10, angle position device 8, perching knife gesture stability oil cylinder and perching knife posture position-limit mechanism 12.
During work, slew gear 5 is connected on hitch frame 4 by slew gear stopping means, limits the edge of slew gear 5
The motion of its gear ring axially.Turbine box 7 engages the end outer post tooth of turbine box 7 under hydraulic power effect by gear
Wheel, the mode of roller gear engagement drives slew gear 5 to realize the revolution around 360 degree of its gear ring axis direction in slew gear 5,
Final 360 degree of revolutions for realizing perching knife, as shown in Fig. 1 and Fig. 2.
As shown in Figure 3, its slideway 32 is embedded in the " u "-shaped slideway of angle position device 8 structure of perching knife body 10, and causes perching knife
Body 10 may only be in perching knife lateral sliding oil cylinder (connecting plate 33 of perching knife lateral sliding oil cylinder one end connection perching knife body 10, one end
Joint angle position device 8) driving under along " u "-shaped slideway carry out lateral sliding move.
Referring to Fig. 2, at O points, angle position device 8 and slew gear 5 are linked together using bearing pin 9, and utilize perching knife appearance
State control cylinder pilot angle position device 8 rotates along O points, to realize the change of perching knife operation posture.Perching knife posture position-limit mechanism 12
Change for constraining perching knife operation posture in certain scope.During work, under the control of various hydraulic jacks, perching knife can be real
Existing left and right lateral sliding, front and rear flip-flop movement and 360 degree of gyration.
By manufacturing experimently experimental prototype, and the identical spading medium of the same terms, identical spading posture, identical spading speed and
Under identical spading depth etc., contrast test is carried out to original structure land leveller and the spading performance for optimizing structure land leveller, experiment is surveyed
Test result shows：After optimization, land leveller spading resistance reduces 2.0%-3.7%, operation driving power and improves 15%-
22%th, perching knife is digged and improves 10% apart from performance.
Further embodiment of this invention provides a kind of land leveller, including the spading system that any technical scheme of the invention is provided
System.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown is only for ease of the description present invention and simplifies description, rather than indicates or infer the device of meaning
Or element must have specific orientation, be specific azimuth configuration and operation, thus it is not intended that in present invention protection
The limitation of appearance.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic,
But these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (13)
1. a kind of perching knife body (10), it is characterised in that described including shovel blade (1) and at least two sections arc plates (2) spliced
Shovel blade (1) is located at the arc plate (2) at most edge；The radius of each section of arc plate (2) is different.
2. perching knife body (10) according to claim 1, it is characterised in that the angle of penetration of the perching knife body (10) is at 31 degree
Between to 33 degree and/or angle is digged between 37 degree to 41 degree.
3. perching knife body (10) according to claim 1, it is characterised in that the spading angle of the perching knife body (10) is in -5 degree
To between -10 degree.
4. perching knife body (10) according to claim 1, it is characterised in that the shovel blade (1) and the most edge
The arc plate (2) is detachably connected.
5. perching knife body (10) according to claim 4, it is characterised in that the radius of the arc plate (2) from top to bottom according to
Secondary increase.
6. perching knife body (10) according to claim 4, it is characterised in that two sections of adjacent arc plate (2) welding phases
Even.
7. perching knife body (10) according to claim 1, it is characterised in that also including connector (3), the arc plate (2)
The connector (3) is installed on, the connector (3) is used to be connected with angle position device (8), and the connector (3) can drive described
Arc plate (2) is relative to angle position device (8) sliding.
8. a kind of spading system, it is characterised in that including any described perching knife bodies (10) of claim 1-7.
9. spading system according to claim 8, it is characterised in that the perching knife body (10) is located at hitch frame (4), described
Perching knife body (10) can be adjusted relative to the operation posture of the hitch frame (4).
10. spading system according to claim 9, it is characterised in that the perching knife body (10) is located at angle position device (8), institute
State angle position device (8) and be located at the hitch frame (4), the perching knife body (10) can be relative to angle position device (8) in a first direction
Sliding.
11. spading system according to claim 10, it is characterised in that the hitch frame (4) is located at slew gear (5),
The hitch frame (4) is rotatably arranged in the slew gear (5), and the hitch frame (4) is relative to the slew gear (5)
Rotation direction is second direction, and the first direction is different from the second direction.
12. spading system according to claim 11, it is characterised in that the slew gear (5) can drive the traction
Frame (4) synchronous revolving.
13. a kind of land leveller, it is characterised in that including any described spading systems of claim 1-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710567874.9A CN107142981A (en) | 2017-07-13 | 2017-07-13 | Perching knife body, spading system and land leveller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710567874.9A CN107142981A (en) | 2017-07-13 | 2017-07-13 | Perching knife body, spading system and land leveller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107142981A true CN107142981A (en) | 2017-09-08 |
Family
ID=59775703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710567874.9A Pending CN107142981A (en) | 2017-07-13 | 2017-07-13 | Perching knife body, spading system and land leveller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107142981A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115045361A (en) * | 2022-08-15 | 2022-09-13 | 徐州道润公路工程有限公司 | Slewer based on leveler work structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4445577A (en) * | 1981-12-21 | 1984-05-01 | Russell & Sons Construction Co. Inc. | Bulldozer blade |
| JP2000240093A (en) * | 1999-02-24 | 2000-09-05 | Mitsubishi Agricult Mach Co Ltd | Blade operation switch structure for blade work machine |
| CN102713083A (en) * | 2009-11-06 | 2012-10-03 | 卡特彼勒公司 | Variable wheelbase motor grader |
| CN105484304A (en) * | 2014-09-16 | 2016-04-13 | 徐工集团工程机械股份有限公司 | Spading system and grader having same |
| CN207959305U (en) * | 2017-07-13 | 2018-10-12 | 徐工集团工程机械有限公司 | Perching knife body, spading system and land leveller |
-
2017
- 2017-07-13 CN CN201710567874.9A patent/CN107142981A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4445577A (en) * | 1981-12-21 | 1984-05-01 | Russell & Sons Construction Co. Inc. | Bulldozer blade |
| JP2000240093A (en) * | 1999-02-24 | 2000-09-05 | Mitsubishi Agricult Mach Co Ltd | Blade operation switch structure for blade work machine |
| CN102713083A (en) * | 2009-11-06 | 2012-10-03 | 卡特彼勒公司 | Variable wheelbase motor grader |
| CN105484304A (en) * | 2014-09-16 | 2016-04-13 | 徐工集团工程机械股份有限公司 | Spading system and grader having same |
| CN207959305U (en) * | 2017-07-13 | 2018-10-12 | 徐工集团工程机械有限公司 | Perching knife body, spading system and land leveller |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115045361A (en) * | 2022-08-15 | 2022-09-13 | 徐州道润公路工程有限公司 | Slewer based on leveler work structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207660022U (en) | A kind of broken rock device | |
| US20140180548A1 (en) | System and Method for Optimizing a Cut Location | |
| US9845008B2 (en) | System and method of detecting load forces on a traction vehicle to predict wheel slip | |
| CN205954723U (en) | Walking excavator | |
| CN105569104A (en) | Working machine | |
| CN1831247B (en) | Automatic controlled multi-blade surmount obstacles shape flowing snow scraper | |
| CN107142981A (en) | Perching knife body, spading system and land leveller | |
| CN207959305U (en) | Perching knife body, spading system and land leveller | |
| CN206306747U (en) | Attachment means | |
| CN207714302U (en) | Crawler type static sounding vehicle | |
| US10047498B2 (en) | Method for maneuvering a vessel | |
| CN207176783U (en) | The level land device of land leveller | |
| CN103862257B (en) | A kind of reamer disassembly robot device and its function mode | |
| CN105484304B (en) | A kind of spading system and the land leveller for including the spading system | |
| CN204266265U (en) | A kind of spading system and comprise the land leveller of this spading system | |
| CN201943096U (en) | Multipurpose crawler-type loader | |
| CN106836355A (en) | The dredger that can be walked on land | |
| CN102934544A (en) | Method and device for implementing unmanned management of farmland | |
| US12023802B2 (en) | Method and system for optimizing the joint hinge point position of a hydraulic tandem mechanism based on lightweight | |
| Tran et al. | An optimal method for the design of a robotic tracked vehicle to operate over fresh concrete under steering motion | |
| CN205220253U (en) | Multi -functional amphibious workboat | |
| CN104003777A (en) | Soil clearing shovel for turning and throwing machine | |
| CN209412884U (en) | A kind of bull-dozer | |
| CN201907364U (en) | Self changing type simple walking wheel suitable for walking on soft ground | |
| Selech et al. | A working design of a bulldozer blade as additional equipment of a compaction drum roller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220729 Address after: 221004 26 Tuo Lan Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu Applicant after: Jiangsu Xugong Construction Machinery Research Institute Co.,Ltd. Address before: 221004 26 Tuo Lan Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu Applicant before: XCMG CONSTRUCTION MACHINERY Co.,Ltd. |
|
| TA01 | Transfer of patent application right |