CN205894147U - Excavator forming relieved tooth structure - Google Patents
Excavator forming relieved tooth structure Download PDFInfo
- Publication number
- CN205894147U CN205894147U CN201620826349.5U CN201620826349U CN205894147U CN 205894147 U CN205894147 U CN 205894147U CN 201620826349 U CN201620826349 U CN 201620826349U CN 205894147 U CN205894147 U CN 205894147U
- Authority
- CN
- China
- Prior art keywords
- teeth
- guide muscle
- excavator
- forming relieved
- mounting groove
- 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
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Abstract
The utility model relates to an excavator forming relieved tooth structure belongs to excavator technical field. Technical scheme is: containing tooth root (1) and prong (6) of a body structure, being equipped with guide muscle (2) on prong (6), guide muscle (2) both sides are equipped with branch silo (3) respectively, be equipped with mounting groove (5) in tooth root (1), be equipped with fixed orifices (4) on the lateral wall of mounting groove (5). The branch material can be led effectively to guide muscle (2) and branch silo (3) on the prong, improves forming relieved tooth impact toughness and wearability, has reduced the cracked probability of forming relieved tooth to life cycle has been prolonged. The beneficial effects of the utility model are that: simple structure is reliable, improves forming relieved tooth impact toughness and wearability, has prolonged life cycle.
Description
Technical field
This utility model is related to a kind of digger shovel toothing, belongs to excavator technical field.
Background technology
Excavator is widely used in digging, civil engineering, water conservancy and defence engineering.Excavator shovel tooth is the vitals on machine, also
It is consumable accessory.At present, China there are about the excavator of more than 20,000 different models and works under different operating modes, its teeth consumption
Very big.One large hydraulic engineering or a medium-scale mine, generally have the excavator of more than 10 to be in use state, often
The teeth that year consumes reaches hundreds of tons, is worth more than million yuans.Therefore, improve teeth service life, reduce teeth mill
Damage the loss causing, be increasingly taken seriously.In terms of force analysis, teeth work surface contacts with being mined thing, complete at one
In whole mining process, its stressing conditions of different working stages are different.Crown position first contacting material surface when due to speed
Degree is very fast, and teeth nose part is subject to stronger impacting；If the yield strength of teeth is low, it will produce plastic deformation in tip.
With the increasing of excavating depth, teeth stressing conditions can change；When teeth cutting material, teeth is relative with material generation
Motion, produces very big forward extrusion power on surface, thus producing larger frictional force between teeth work surface and material.If
Material is harder rock block, concrete etc., and frictional force will be very big.The result of this process repeated action works in teeth
Face produces different degrees of surface abrasion, and then produces the larger ditch dug with a plow of depth.The normal pressure of teeth leading face is significantly greater than
Work surface afterwards, causes leading face serious wear it can be determined that going out normal pressure and frictional force is the primary outer power that teeth lost efficacy
Factor, plays a major role during generation of losing efficacy., often brittle failure, easily in the teeth unreasonable structure of background technology
The problems such as abrasion, bending, service life cycle is short.
Utility model content
This utility model purpose is to provide a kind of digger shovel toothing, improves teeth impact flexibility and wearability, extends
Life cycle, solves the problems referred to above present in background technology.
The technical solution of the utility model is:
A kind of digger shovel toothing, comprises tooth root and the crown of integrative-structure, and crown is provided with guide muscle, guide muscle two
Side is respectively equipped with material-dividing groove；It is provided with mounting groove, the side wall of mounting groove is provided with fixing hole in tooth root.
Described guide muscle is along the length direction arrangement of crown.
Described guide muscle is the fin of trapezoid cross section.
Two fixing holes are arranged with the two side of described mounting groove.
Using this utility model, the toothholder of excavator inserts the mounting groove on tooth root, passes through installing hole by fixing bolt
And toothholder, digger shovel toothing is arranged on excavator.Guide muscle on crown and material-dividing groove can lead a point material effectively,
Improve teeth impact flexibility and wearability.When teeth cutting material, there is relative motion with material in teeth, produce very on surface
Big forward extrusion power, thus produce larger frictional force between teeth work surface and material.From amechanical angle analysis, this practicality
The new Impact direction changing work surface, largely reduces the frictional force of material and teeth face, wearability obtains very big
Raising, decrease teeth fracture probability, thus extending life cycle.
The beneficial effects of the utility model are: simple and reliable for structure, improve teeth impact flexibility and wearability, extend the longevity
The life cycle.
Brief description
Fig. 1 is this utility model schematic front view；
Fig. 2 is this utility model schematic side view；
Fig. 3 is this utility model schematic top plan view；
In figure: tooth root 1, guide muscle 2, material-dividing groove 3, fixing hole 4, mounting groove 5, crown 6.
Specific embodiment
Below in conjunction with the accompanying drawings, by embodiment, this utility model is described further.
A kind of digger shovel toothing, comprises tooth root 1 and the crown 6 of integrative-structure, and crown 6 is provided with guide muscle 2, guide
Muscle 2 is respectively provided on two sides with material-dividing groove 3；It is provided with mounting groove 5, the side wall of mounting groove 5 is provided with fixing hole 4 in tooth root 1.
Described guide muscle 2 is along the length direction arrangement of crown 6.
Described guide muscle 2 is the fin of trapezoid cross section.
Two fixing holes 4 are arranged with the two side of described mounting groove 5.
Using this utility model, the toothholder of excavator inserts the mounting groove on tooth root, passes through installing hole by fixing bolt
And toothholder, digger shovel toothing is arranged on excavator.Guide muscle 2 on crown and material-dividing groove 3 can lead a point thing effectively
Material, improves teeth impact flexibility and wearability.When teeth cutting material, there is relative motion with material in teeth, produce on surface
The very big forward extrusion power of life, thus produce larger frictional force between teeth work surface and material.From amechanical angle analysis, this
Utility model changes the Impact direction of work surface, largely reduces the frictional force of material and teeth face, and wearability obtains
Very big raising, decreases the probability of teeth fracture, thus extending life cycle.
Claims (3)
1. a kind of digger shovel toothing it is characterised in that: comprise tooth root (1) and the crown (6) of integrative-structure, on crown (6)
It is provided with guide muscle (2), guide muscle (2) is respectively provided on two sides with material-dividing groove (3)；It is provided with mounting groove (5), mounting groove (5) in tooth root (1)
Side wall be provided with fixing hole (4).
2. a kind of digger shovel toothing according to claim 1 it is characterised in that: described guide muscle (2) is along crown (6)
Length direction arrangement.
3. a kind of digger shovel toothing according to claim 1 and 2 it is characterised in that: described guide muscle (2) be trapezoidal
The fin in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620826349.5U CN205894147U (en) | 2016-08-02 | 2016-08-02 | Excavator forming relieved tooth structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620826349.5U CN205894147U (en) | 2016-08-02 | 2016-08-02 | Excavator forming relieved tooth structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205894147U true CN205894147U (en) | 2017-01-18 |
Family
ID=57782402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620826349.5U Expired - Fee Related CN205894147U (en) | 2016-08-02 | 2016-08-02 | Excavator forming relieved tooth structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205894147U (en) |
-
2016
- 2016-08-02 CN CN201620826349.5U patent/CN205894147U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20170118 Termination date: 20170802 |