CN206916816U - A kind of new bucket tooth - Google Patents
A kind of new bucket tooth Download PDFInfo
- Publication number
- CN206916816U CN206916816U CN201720280152.0U CN201720280152U CN206916816U CN 206916816 U CN206916816 U CN 206916816U CN 201720280152 U CN201720280152 U CN 201720280152U CN 206916816 U CN206916816 U CN 206916816U
- Authority
- CN
- China
- Prior art keywords
- bucket tooth
- tooth
- tip portion
- tooth tip
- work department
- 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.)
- Expired - Fee Related
Links
- 230000007704 transition Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- 238000003786 synthesis reaction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 208000004188 Tooth Wear Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
Landscapes
- Component Parts Of Construction Machinery (AREA)
Abstract
The utility model discloses a kind of new bucket tooth, including connecting portion, work department and the tooth tip portion being integrally sequentially connected；The length direction that bucket tooth extends from connecting portion to tooth tip portion is direction from front to back；Tooth tip portion and work department are integrally formed with symmetrical two surface and two side faces；The thickness direction that two surfaces correspond to bucket tooth is oppositely arranged, and the bucket tooth thickness that two surfaces are formed is gradually reduced from front to back；The two side faces of tooth tip portion make the widen structure toward the arciform extension of outer arcuate from rear to front direction, and in the receipts width structure of arc-shaped recess inside, the front and back end of the receipts width structure is connected the two side faces of work department with tooth tip portion, connecting portion rounding off respectively.This case mainly makees novel designs to the side surface streamline moulding of bucket tooth, brings reduction friction, mitigates the features such as operation is not easy to fail after bucket tooth itself wears and worn, really improves the synthesis performance of bucket tooth.
Description
Technical field
It the utility model is related to excavator parts technical field, in particular to a kind of new bucket tooth.
Background technology
Bucket tooth is the important component on excavator, is a kind of consumable accessory easily to fail, so generally lean on bearing pin in its installation
It is detachably connected Deng connector to realize, when bucket tooth wear out failure, by providing for simple replacement of the bucket tooth.Currently for bucket tooth
Structure design, in addition to considering its cutting and ensuring operating efficiency, another is primary concern is that wear-resisting service life problem.
The outside mechanics factor to be failed in analysis bucket tooth operation, the forward extrusion power and frictional force that mainly surface is subject to.For elevator bucket
The wear-resisting use of tooth, various bucket tooth shape-designings are had at present, but most of is all convex by being designed in working surface
The modes such as muscle, groove improve, but bring lifting effect to still have deficiency.
In consideration of it, inventor furthers investigate to above mentioned problem, and proposes a kind of new bucket tooth, thus this case is produced
It is raw.
Utility model content
The purpose of this utility model is to provide a kind of new bucket tooth, mainly novel to the side surface streamline moulding work of bucket tooth
Design, bring reduction friction, mitigate the features such as operation is not easy to fail after bucket tooth itself wears and worn, really improve bucket tooth
Synthesis performance.
In order to reach above-mentioned purpose, solution of the present utility model is：
A kind of new bucket tooth, including connecting portion, work department and the tooth tip portion being integrally sequentially connected；Bucket tooth is from connecting portion to tooth
The length direction of tip extension is direction from front to back；Tooth tip portion and work department are integrally formed with symmetrical two surface and two sides
Face；The thickness direction that two surfaces correspond to bucket tooth is oppositely arranged, and the bucket tooth thickness that two surfaces are formed is gradually reduced from front to back；Crown
The two side faces in portion make the widen structure toward the arciform extension of outer arcuate from rear to front direction, and the two side faces of work department are in toward arc
The receipts width structure of depression, the front and back end of the receipts width structure are connected with tooth tip portion, connecting portion rounding off respectively.
The depression lowest part of the arc-shaped recess inside for receiving wide structure is set close to the front position of work department.
It is described to receive wide structure line on the basis of the connecting line of its front and back end, the folder of the front end of arc-shaped recess and datum line inside
Angle is 5-8 degree；The rear end of arc-shaped recess and the angle of datum line are 2-4 degree inside.
The length of the tooth tip portion and the length ratio of work department are set to 1:2-1:2.5.
Cambered surface transition connection is connected as between two surface and two side faces.
Be equipped with the convex ridge of front and rear extension on the middle part on two surface, the convex ridge from rear to preceding gradually thinning, convex ridge
Rearward end connects with connecting portion smooth-going, and the leading section of convex ridge extends to the centre position on the surface of tooth tip portion, and and tooth tip portion
Latter half of surface rounding off connection.
After such scheme, this new bucket tooth, it is relative to the beneficial effect of prior art：This new bucket tooth, it is main
Novel design is made to the molding surface of bucket tooth, in addition to the small design tapered from front to back of bucket tooth thickness, more crucial is pair
The two side faces (i.e. the width of bucket tooth) of bucket tooth make special streamlined expansion and receive wide design, so not only ensure having for bucket tooth tooth tip portion
Effect extruding cutting, and bucket tooth and material contact area are reduced by receiving wide structure, reduce frictional resistance and mitigate abrasion.And
After the tooth tip portion of bucket tooth is worn, the wide structure of receipts of work department is additionally favorable for being formed the cutting toothing of similar tooth tip portion, so as to
Extend the bucket tooth out-of-service time, increase the service life, effect is protruded, and fabulous practical advantages are brought in practice.Moreover, with existing bucket
Tooth compares from materials, in the case of equal materials, receives the length that wide structure design also relatively increases bucket tooth, to strengthen making
Industry extrudes cutting, reduces frictional resistance, and extends the bucket tooth out-of-service time, all brings benifit, further lifts comprehensive practical
Performance.
Brief description of the drawings
Fig. 1 is the stereogram of this new bucket tooth；
Fig. 2 is the front view of this new bucket tooth.
Label declaration
Connecting portion 1, mounting hole 11, mounting groove 12；
Work department 2, side 21, tooth tip portion 3, side 31,
Surface 4, convex ridge 41.
Embodiment
This case is described in further detail with reference to the accompanying drawings and detailed description.
This case is related to a kind of new bucket tooth, as shown in Figure 1-2, including be integrally sequentially connected connecting portion 1, work department 2 and
Tooth tip portion 3.Bucket tooth is connected by connecting portion 1 and excavator toothholder, and connecting portion 1 is provided with the mounting groove 12 for installation, with
And lock the mounting hole 11 set for installation.
The length direction that bucket tooth extends from connecting portion 1 to tooth tip portion 3 is direction (direction from bottom to up in figure) from front to back.
Designed " preceding " " rear " description is with reference to the fore-and-aft direction below.Bucket tooth is in symmetrical structure, and it has corresponding tooth tip portion 3 and work
Make portion 2 and be integrally formed symmetrically arranged two surface and two side faces.Surface corresponds to tooth tip portion 3 and work department 2 is used uniformly surface 4 and marked
Show, side corresponds to the side 21 of work department 2 and the side 31 of tooth tip portion 3.
The thickness direction of the corresponding bucket tooth in two surfaces 4 of the bucket tooth is oppositely arranged, and the two side faces of bucket tooth correspond to the width of bucket tooth
Degree direction is oppositely arranged.The bucket tooth thickness that two surface 4 is formed is gradually reduced from front to back.
As shown in Fig. 2 the two side faces 31 of the tooth tip portion 3 are from the rear broadening for making the arciform extension of past outer arcuate to front direction
Structure, the two side faces 21 of work department 2 in arc-shaped recess inside receipts width structure, the front and back end of the receipts width structure respectively with tooth tip portion
3rd, the rounding off of connecting portion 1 connects.The key of such this case is to make special stream to the two side faces (i.e. the width of bucket tooth) of bucket tooth
Line style, which expands, receives design, and widen structure ensures that the operation incipient stage of bucket tooth tooth tip portion 3 is squeezed and effectively cut, and passes through receipts afterwards
Wide structure reduces bucket tooth and material side friction area, reduces frictional resistance and mitigates abrasion.And when bucket tooth uses certain time
After rear tooth point portion 3 is worn, the wide structure of receipts of work department 2 is additionally favorable for being formed the cutting toothing of similar tooth tip portion, even if so as to
Whole bucket tooth can still play effective working condition after abrasion, so as to extend the bucket tooth out-of-service time, increase the service life, the effect
It is very prominent, fabulous practical advantages are brought in practice.
Further, needing exist for explanation, compared with existing bucket tooth is from materials, in the case of equal materials, this is new
The wide structure design of receipts of bucket tooth also relatively increases the length of bucket tooth, extrudes cutting to strengthen operation, reduces frictional resistance,
And extend the bucket tooth out-of-service time, benifit is all brought, so as to further lift comprehensive practical performance.In other words, in equal length
Under the premise of size design, for this new bucket tooth on the basis of performance greatly promotes, the material quantity of this new bucket tooth is less than existing bucket tooth
Material quantity, bring cost reduce advantage.
The design of this new receipts width structure is very crucial, provides preferred embodiment, receives the arc-shaped recess inside of wide structure
The lowest part (the P marked positions in Fig. 2) that is recessed is set close to the front position of work department 2.So it is more conducive to reduce in operation to rub
The formation of similar cutting toothing after the effect and abrasion of scouring damage.Further limit, as shown in Fig. 2 the receipts in design
Wide structure line on the basis of the connecting line of its front and back end, the angle a of the front end of arc-shaped recess and datum line is 5-8 degree inside；It is past
The rear end of arc depression and the angle b of datum line are 2-4 degree.Angle a is more than angle b, so enable depression lowest part P compared with
Front position close to work department 2 is set.Angle a and angle b angle limit namely limited the amplitude of depression, the amplitude such as institute
The appropriately sized of restriction, the too big or too small Function for being all unfavorable for receiving wide structure, such as too small, effect unobvious are stated,
And it is too big, then easily form delay dark space and bring detrimental effect.
Preferably, it was found from bucket tooth principle analysis above, the length relation of tooth tip portion 3 and work department 2 is that a needs are examined
The aspect point of amount, this case provide preferred embodiment, and the length L1 of tooth tip portion 3 is set to 1 with the length L2 ratios of work department 2:2-1:
2.5.So take into account the optimal design with cutting and validity.
Preferably, cambered surface transition connection is connected as between two surface 4 and two side faces 21,31, reduces angular structures and exists
Consume problem.
Preferably, be equipped with the convex ridge 41 of front and rear extension on the middle part on two surface 4, the convex ridge 41 from it is rear to preceding gradually
Thinning to narrow, rearward end and the smooth-going of connecting portion 1 of convex ridge 4 are connected, and the leading section of convex ridge 4 is extended in the surface of tooth tip portion 3
Between position, and be connected with the latter half of surface rounding off of tooth tip portion 3.The design of the convex ridge 41 strengthens the table of work department 2
Face service behaviour.
Preferably, the bottom land of the mounting groove 12 in the connecting portion 1 extends in work department 2 backward, so equivalent to receipts
The front end of wide structure is extended on the side of connecting portion 1, is so beneficial to keep the switching performance between work department 2 and connecting portion 1, is kept away
The internal physical bonding strength of the two junction may be influenceed by exempting from the receipts width structure.
The foregoing is only this new preferred embodiment, all equivalent changes done with this new right and
Modification, the scope of this new claim all should be belonged to.
Claims (6)
- A kind of 1. new bucket tooth, it is characterised in that：Including connecting portion, work department and the tooth tip portion being integrally sequentially connected；Bucket tooth from The length direction that connecting portion to tooth tip portion extends is direction from front to back；Tooth tip portion and work department are integrally formed with symmetrical two Surface and two side faces；The thickness direction that two surfaces correspond to bucket tooth is oppositely arranged, two surfaces form bucket tooth thickness from front to back by It is tapered small；The two side faces of tooth tip portion are in the widen structure toward the arciform extension of outer arcuate, and the two side faces of work department are in recessed toward arc Sunken receipts width structure, the front and back end of the receipts width structure are connected with tooth tip portion, connecting portion rounding off respectively.
- A kind of 2. new bucket tooth as claimed in claim 1, it is characterised in that：The arc-shaped recess inside for receiving wide structure it is recessed The front position that lowest part is fallen into close to work department is set.
- A kind of 3. new bucket tooth as claimed in claim 1 or 2, it is characterised in that：It is described to receive wide structure with the company of its front and back end Line on the basis of wiring, the front end of arc-shaped recess and the angle of datum line are 5-8 degree inside；The rear end of arc-shaped recess and benchmark inside The angle of line is 2-4 degree.
- A kind of 4. new bucket tooth as claimed in claim 1, it is characterised in that：The length of the tooth tip portion and the length of work department Than being set to 1:2-1:2.5.
- A kind of 5. new bucket tooth as claimed in claim 1, it is characterised in that：Cambered surface is connected as between two surface and two side faces Transition connects.
- A kind of 6. new bucket tooth as claimed in claim 1, it is characterised in that：Front and rear prolong is equipped with the middle part on two surface The convex ridge stretched, the convex ridge is from rear to preceding gradually thinning, and the rearward end of convex ridge connects with connecting portion smooth-going, the leading section extension of convex ridge It is connected to the centre position on the surface of tooth tip portion, and with the latter half of surface rounding off of tooth tip portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720280152.0U CN206916816U (en) | 2017-03-22 | 2017-03-22 | A kind of new bucket tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720280152.0U CN206916816U (en) | 2017-03-22 | 2017-03-22 | A kind of new bucket tooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206916816U true CN206916816U (en) | 2018-01-23 |
Family
ID=61310581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720280152.0U Expired - Fee Related CN206916816U (en) | 2017-03-22 | 2017-03-22 | A kind of new bucket tooth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206916816U (en) |
-
2017
- 2017-03-22 CN CN201720280152.0U patent/CN206916816U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 |