CN206090677U - Modular bucket tooth for hammer drill - Google Patents
Modular bucket tooth for hammer drill Download PDFInfo
- Publication number
- CN206090677U CN206090677U CN201620960444.4U CN201620960444U CN206090677U CN 206090677 U CN206090677 U CN 206090677U CN 201620960444 U CN201620960444 U CN 201620960444U CN 206090677 U CN206090677 U CN 206090677U
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- CN
- China
- Prior art keywords
- bucket tooth
- connecting portion
- rock drill
- hammer drill
- hole
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Abstract
The utility model belongs to the technical field of the engineering machine tool, especially relate to a modular bucket tooth for hammer drill, the connecting portion that established the prong established including bucket tooth main part, bucket tooth main part front end and bucket tooth main part rear end, bucket tooth main part and prong are the cone structure, the connecting portion of establishing are the column body structure, wherein bucket tooth main part surface loop is to being equipped with a plurality of vertical splitter boxs, the junction of two adjacent vertical splitter boxs forms tooth portion, the terminal surface of the connecting portion of establishing is equipped with the installation cavity, the head phase -match suit of this installation cavity and hammer drill body, the surface of these connecting portion transversely is equipped with round pin axle installation through -hole, and the inboard of round pin axle installation through -hole is equipped with the boss, this boss matches the lock with the groove phase of the round pin axle installation coaxial setting in through -hole both ends that hammer drill body head is established. The utility model discloses simple structure is applicable to dismantled and assembled combination formula hammer drill, and the box -like hammer drill's of drop set change and use cost are low to prolong its long service life.
Description
Technical field
The utility model belongs to technical field of engineering machinery, more particularly to a kind of combined type rock drill bucket tooth.
Background technology
Existing rock drill is monolithic construction, is just entirely scrapped after its bucket tooth end sharp portion is worn and torn, and changes and uses
High cost.Therefore, a kind of simple structure of research and design, for the bucket tooth of removable combined type rock drill, used with reducing replacing
Cost, is those skilled in the art's technical problem urgently to be resolved hurrily.
The content of the invention
The technical problems to be solved in the utility model is exactly to overcome above-mentioned the deficiencies in the prior art, and provides a kind of structure letter
Single, it is adaptable to removable combined type rock drill, replacing and the use cost for reducing combined type rock drill is low, and extends its service life
Long combined type rock drill bucket tooth.
To solve above-mentioned technical problem, the technical solution adopted in the utility model is：
Design a kind of combined type rock drill bucket tooth, including the crown set by bucket tooth main body, bucket tooth body front end and bucket tooth master
Connecting portion set by body rear end, the bucket tooth main body and crown are cone structure, and set connecting portion is column structure, its
Middle bucket tooth body surfaces ring is provided with multiple longitudinal splitter boxs, and the junction of adjacent two longitudinal splitter boxs forms teeth portion, set to connect
The end face of socket part is provided with installation cavity, and the installation cavity is set with the fit heads of rock drill body, and the surface of the connecting portion is horizontal
Boss is provided with to being provided with the inside of bearing pin installation through-hole, and bearing pin installation through-hole, the boss and bearing pin set by rock drill body head
The groove match that installation through-hole two ends are coaxially disposed is fastened.
Preferably, in combinations thereof formula rock drill bucket tooth, the connecting portion surface is provided with protection annular projection.
Preferably, in combinations thereof formula rock drill bucket tooth, the longitudinal fluting is that ring is uniform along bucket tooth body surfaces.
Preferably, in combinations thereof formula rock drill bucket tooth, the bucket tooth is steel alloy material.
Preferably, in combinations thereof formula rock drill bucket tooth, the bucket tooth main body outer rim is provided with overcoat.
The beneficial effect of technical solutions of the utility model is：
1st, the utility model combined type rock drill bucket tooth, connecting portion is provided with installation cavity and bearing pin installation through-hole, Yi Ji
Boss is provided with the inside of bearing pin installation through-hole, when specifically used, bucket tooth connecting portion is sleeved on rock drill body head, and by bearing pin
It is fixedly connected, after the abrasion of bucket tooth end sharp portion, takes bearing pin connection apart, need to only change the bucket tooth of abrasion, so as to look forward to
Industry has saved production and application cost.
2nd, the utility model rock drill bucket tooth except with rock drill body head coordinate be connected using bearing pin, be additionally provided with boss and
Set boss is interlocked positioning on bearing pin installation through-hole set by rock drill body head, it is specifically used in, the structure is together with bearing pin
It is common to carry bucket tooth certain unbalance loading suffered at work, prevent only pin from easily being sheared and being ruptured, it is whole so as to improve
The service life of body structure, further saves use cost.
3rd, additionally, the setting purpose of the utility model splitter box is to make bucket tooth when excavating, soil or stone are from two
Side is discharged, and reduces the resistance of bucket tooth, is protected the setting of block and is effectively prevented hard thing from damaging bucket tooth.Protection ring-type is provided with connecting portion
Raised and bucket tooth main body outer rim arranges overcoat, can effectively prevent hard thing from damaging bucket tooth；Bucket tooth is alloy steel products
Matter so that component possesses in itself the characteristic such as high intensity, high tenacity, wear-resisting, can improve integrally-built service life.
Description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is the structural representation of the utility model combined type rock drill bucket tooth；
Fig. 2 is the A-A cross section structure diagrams shown in Fig. 1；
Fig. 3 is the cross section structure diagram of the bucket tooth main part shown in Fig. 1；
Fig. 4 is the structural representation of the utility model combined type rock drill bucket tooth use state；
Sequence number in figure：1st, bucket tooth main body, 2, crown, 3, connecting portion, 4, longitudinal splitter box, 5, teeth portion, 6, cavity is installed, 7,
Bearing pin installation through-hole, 8, boss, 9, protection annular projection, 10, rock drill body, 11, bearing pin, 12, bucket tooth.
Specific embodiment
With reference to the accompanying drawings and examples illustrating specific embodiment of the present utility model, but following examples are simply used
To describe the utility model in detail, and scope of the present utility model is limited never in any form, it is involved in the examples below
Instrument element if no special instructions, be conventional instrument element.
Referring to Fig. 1-4, in figure, the utility model combined type rock drill bucket tooth, including bucket tooth main body 1, bucket tooth body front end
Connecting portion 3 set by set crown 2 and bucket tooth body rear, the bucket tooth main body and crown are cone structure, set
Connecting portion is column structure, and wherein bucket tooth body surfaces ring is provided with multiple longitudinal splitter boxs 4, adjacent two longitudinal splitter boxs
Junction forms teeth portion 5, and the end face of set connecting portion is provided with installation cavity 6, the head phase of the installation cavity and rock drill body
With suit, the surface of the connecting portion is transversely provided with the inside of bearing pin installation through-hole 7, and bearing pin installation through-hole and is provided with boss 8, and this is convex
Platform is fastened with the groove match that bearing pin installation through-hole two ends set by rock drill body head are coaxially disposed.
Referring to Fig. 4, when specifically used, the utility model bucket tooth 12 is sleeved on into the head of rock drill body 10, and by wearing
It is located at bearing pin 11 in bearing pin installation through-hole to fix, when both are set with, the groove and boss fastened by matching realizes location and installation.
So, because rock drill body can be arranged with bucket tooth split, after the abrasion of bucket tooth end sharp portion, bearing pin connection is taken apart,
The bucket tooth of abrasion need to be only changed, so as to save production and application cost for enterprise.Groove and boss matching fastening structure with
Bearing pin cooperatively carries bucket tooth certain unbalance loading suffered at work, prevents only pin from easily being sheared and being ruptured, from
And integrally-built service life is improved, further save use cost.The setting purpose of splitter box is to excavate bucket tooth
When, soil or stone are discharged from both sides, reduce the resistance of bucket tooth, are protected the setting of block and are effectively prevented hard thing from damaging bucket tooth.
Thus, the utility model is applicable to removable combined type rock drill, and replacing and the use cost for reducing combined type rock drill is low, and
Extend its long service life, improve operating efficiency.
In the specific embodiment of the utility model one, in combinations thereof formula rock drill bucket tooth, the connecting portion surface sets
There is protection annular projection 9.Can effectively prevent hard thing from damaging bucket tooth.
In the specific embodiment of the utility model one, in combinations thereof formula rock drill bucket tooth, the longitudinal fluting is along bucket
Tooth body surfaces are that ring is uniform.
In the specific embodiment of the utility model one, in combinations thereof formula rock drill bucket tooth, the bucket tooth is alloy steel products
Matter.So that component possesses in itself the characteristic such as high intensity, high tenacity, wear-resisting.
In the specific embodiment of the utility model one, in combinations thereof formula rock drill bucket tooth, the bucket tooth main body outer rim
It is provided with overcoat（Not shown in figure）.Can effectively prevent hard thing from damaging bucket tooth.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and it
The difference of its embodiment, identical similar part is cross-referenced between each embodiment.
The utility model is described in detail above in conjunction with drawings and Examples, but, the skill of art
Art personnel, can also be concrete to each in above-described embodiment it is understood that on the premise of without departing from the utility model objective
Parameter is changed, and forms multiple specific embodiments, is common excursion of the present utility model, and here is no longer detailed one by one
State.
Claims (5)
1. the crown and bucket tooth body rear set by a kind of combined type rock drill bucket tooth, including bucket tooth main body, bucket tooth body front end
Set connecting portion, is characterized in that：The bucket tooth main body and crown are cone structure, and set connecting portion is column knot
Structure, wherein bucket tooth body surfaces ring are provided with multiple longitudinal splitter boxs, and the junction of adjacent two longitudinal splitter boxs forms teeth portion, institute
If the end face of connecting portion is provided with installation cavity, the installation cavity is set with the fit heads of rock drill body, the table of the connecting portion
Face is transversely provided with the inside of bearing pin installation through-hole, and bearing pin installation through-hole and is provided with boss, set by the boss and rock drill body head
The groove match that bearing pin installation through-hole two ends are coaxially disposed is fastened.
2. combined type rock drill bucket tooth according to claim 1, is characterized in that：The connecting portion surface is provided with protection ring-type
It is raised.
3. combined type rock drill bucket tooth according to claim 1, is characterized in that：The longitudinal fluting is along bucket tooth body surfaces
It is uniform for ring.
4. combined type rock drill bucket tooth according to claim 1, is characterized in that：The bucket tooth is steel alloy material.
5. combined type rock drill bucket tooth according to claim 1, is characterized in that：The bucket tooth main body outer rim is provided with protection
Layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620960444.4U CN206090677U (en) | 2016-08-29 | 2016-08-29 | Modular bucket tooth for hammer drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620960444.4U CN206090677U (en) | 2016-08-29 | 2016-08-29 | Modular bucket tooth for hammer drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206090677U true CN206090677U (en) | 2017-04-12 |
Family
ID=58474535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620960444.4U Active CN206090677U (en) | 2016-08-29 | 2016-08-29 | Modular bucket tooth for hammer drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206090677U (en) |
-
2016
- 2016-08-29 CN CN201620960444.4U patent/CN206090677U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Modular bucket tooth for hammer drill Effective date of registration: 20181226 Granted publication date: 20170412 Pledgee: Changxin Zhejiang rural commercial bank Limited by Share Ltd Pledgor: Changxin de Tian construction machinery Limited by Share Ltd Registration number: 2018330000521 |