CN203655292U - Cutting tooth assembly and engineering machine - Google Patents
Cutting tooth assembly and engineering machine Download PDFInfo
- Publication number
- CN203655292U CN203655292U CN201320833166.2U CN201320833166U CN203655292U CN 203655292 U CN203655292 U CN 203655292U CN 201320833166 U CN201320833166 U CN 201320833166U CN 203655292 U CN203655292 U CN 203655292U
- Authority
- CN
- China
- Prior art keywords
- tooth
- cutting bit
- bit assembly
- denticle
- sealing ring
- 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 - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 201000011180 Dental Pulp Calcification Diseases 0.000 claims description 22
- 238000005553 drilling Methods 0.000 claims description 10
- 238000003801 milling Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000011435 rock Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model provides a cutting tooth assembly and an engineering machine. The cutting tooth assembly comprises a tooth holder, a tooth body and a sealing ring, wherein the tooth body is arranged in the cavity of the tooth holder; the inner circumferential wall of the opening end of the tooth holder is provided with a concave sealing groove; and the sealing ring is arranged in the sealing groove. According to the cutting tooth assembly provided by the utility model, the sealing ring can prevent impurities such as boring mud from entering the cavity, thereby avoiding the problem that the cutting tooth assembly can not be kept in a tooth tip sharpened state through self rotation because the impurities such as boring mud block the tooth body and the tooth body can not smoothly rotate relative to the tooth holder; therefore, the sealing ring can reduce the effectiveness losing speed of the cutting tooth assembly and prolong the service life of the cutting tooth assembly.
Description
Technical field
The utility model relates to pick technical field, relates in particular to a kind of cutting bit assembly and has the engineering machinery of this cutting bit assembly.
Background technology
In rotary drilling rig construction, especially, in the time of rock drilling, the problem facing is how to improve drilling efficiency, and reduces Pick Loss.At present, revolving while digging drilling tool cloth tooth, by a drift angle (also claiming the anglec of rotation) is set to pick, pick can be in drilling process like this, and the reaction force by rock is to moment around the rotation of pick axial line of pick, to allow pick spin.The spin of pick, can make pick crown keep the state of sharpening, to ensure the efficiency of pick fractured rock, equally also can make the circumferential even wearing of denticle, reduces disable velocity, improves the life-span of pick.But pick is in the time creeping into, boring mud is easy to enter into the gap of jump ring and tooth handle, forms and stops up, and destroys the revolute between jump ring and tooth handle, and pick can not be rotated, and then produces eccentric wear, accelerates cut tooth losing efficiency speed, reduces drilling efficiency simultaneously.
Therefore, how improving for above-mentioned deficiency, to more adapt to use needs, is those skilled in the art's technical problems urgently to be resolved hurrily.
Utility model content
In order to overcome above-mentioned defect and the deficiency of prior art, one of the purpose of this utility model is to provide a kind of cutting bit assembly.
This cutting bit assembly comprises toothholder, denticle and sealing ring, and described denticle is installed in the cavity of described toothholder, on the internal perisporium of the open end of described toothholder, is concaved with seal groove, and described sealing ring is arranged in described seal groove.
Further, the cross sectional shape of described seal groove is circle, semicircle or half elliptic.
Further, described sealing ring is O-ring seals.
Further, also comprise jump ring, the shank of described denticle is provided with the first shoulder and the second shoulder, between described the first shoulder and described the second shoulder, forms draw-in groove, and described jump ring is arranged in described draw-in groove and is held on the chamber wall of described cavity.
Further, also comprise crown, described crown is arranged at the head of described denticle.
The purpose of this utility model two is to provide a kind of engineering machinery that is provided with described cutting bit assembly.
Further, described engineering machinery is rotary drilling rig, development machine, coal-winning machine or milling machine.
In cutting bit assembly of the present utility model, be provided with sealing ring, sealing circle can prevent that the foreign material such as boring mud from entering in this cavity, cause the foreign material such as boring mud to holding of denticle, denticle cannot to be rotated smoothly relative to this toothholder, thereby make cutting bit assembly cannot keep by spin the state of crown sharpening, therefore sealing circle can reduce the disable velocity of cutting bit assembly, improves the application life of cutting bit assembly.
A kind of engineering machinery that is provided with above-mentioned cutting bit assembly that the utility model provides, because above-mentioned cutting bit assembly has above-mentioned technique effect, therefore, this project machinery also has corresponding technique effect.
Brief description of the drawings
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Figure 1 shows that the sectional view of the cutting bit assembly of the utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the utility model embodiment provides a kind of cutting bit assembly, and it is arranged in the engineering machinery such as rotary drilling rig, development machine, coal-winning machine or milling machine.
This cutting bit assembly comprises toothholder 1, denticle 2, jump ring 3, crown 4 and sealing ring 5.
This toothholder 1 offers inner chamber 11, and this inner chamber 11 is for installing this denticle 2.On the internal perisporium of the open end of this toothholder 1, be concaved with seal groove 12, sealing groove 12 is for installing sealing circle 5.The cross sectional shape of sealing groove 12 can be circle, semicircle or half elliptic, can improve like this sealing between sealing circle 5.
The shank of this denticle 2 is provided with the first shoulder 21 and the second shoulder 22.Between this first shoulder 21 and the second shoulder 22, form draw-in groove 23, this draw-in groove 23 is for installing this jump ring 3.
This jump ring 3 is arranged in this draw-in groove 23.This denticle 2 is installed in this inner chamber 11, and the periphery of this jump ring 3 is held on the chamber wall of this inner chamber 11.Because the first shoulder 21 and the second shoulder 22 have limited the movement of this jump ring 3, and this jump ring 3 is held on the wall of chamber, and therefore, this denticle 2 cannot move axially after being installed on this toothholder 1.
This crown 4 is arranged at the head of this denticle 2.
In cutting bit assembly of the present utility model, be provided with sealing ring, sealing circle can prevent that the foreign material such as boring mud from entering in this cavity, cause the wearing and tearing of the foreign material such as boring mud on jump ring, denticle and cavity and affect denticle and rotate smoothly relative to this toothholder, therefore can reduce the disable velocity of cutting bit assembly, improve the application life of cutting bit assembly.
The utility model other embodiment also provide a kind of engineering machinery, is provided with above-mentioned cutting bit assembly.Because above-mentioned cutting bit assembly has above-mentioned technique effect, thereby this project machinery has above-mentioned technique effect too, the specific implementation process of its appropriate section is similar to the above embodiments, and the specific implementation process of other parts can, referring to the associated description of prior art, hereby not repeat.This project machinery is generally rotary drilling rig, development machine, coal-winning machine or milling machine.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a cutting bit assembly, it is characterized in that: comprise toothholder (1), denticle (2) and sealing ring (5), described denticle (2) is installed in the cavity (11) of described toothholder (1), on the internal perisporium of the open end of described toothholder (1), be concaved with seal groove (12), described sealing ring (5) is arranged in described seal groove (12).
2. cutting bit assembly according to claim 1, is characterized in that, the cross sectional shape of described seal groove (12) is circle, semicircle or half elliptic.
3. cutting bit assembly according to claim 2, is characterized in that, described sealing ring (5) is O-ring seals.
4. cutting bit assembly according to claim 1, it is characterized in that, also comprise jump ring (3), the shank of described denticle (2) is provided with the first shoulder (21) and the second shoulder (22), between described the first shoulder (21) and described the second shoulder (22), form draw-in groove (23), described jump ring (3) is arranged in described draw-in groove (23) and is held on the chamber wall of described cavity (11).
5. cutting bit assembly according to claim 4, is characterized in that, also comprises crown (4), and described crown (4) is arranged at the head of described denticle (2).
6. an engineering machinery, is characterized in that, described engineering machinery is provided with the cutting bit assembly as described in any one in claim 1-5.
7. engineering machinery according to claim 6, is characterized in that, described engineering machinery is rotary drilling rig, development machine, coal-winning machine or milling machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320833166.2U CN203655292U (en) | 2013-12-17 | 2013-12-17 | Cutting tooth assembly and engineering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320833166.2U CN203655292U (en) | 2013-12-17 | 2013-12-17 | Cutting tooth assembly and engineering machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203655292U true CN203655292U (en) | 2014-06-18 |
Family
ID=50921692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320833166.2U Expired - Lifetime CN203655292U (en) | 2013-12-17 | 2013-12-17 | Cutting tooth assembly and engineering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203655292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550243A (en) * | 2020-04-30 | 2020-08-18 | 三一重型装备有限公司 | Split type cutting pick, cutting head and mining mechanical equipment |
-
2013
- 2013-12-17 CN CN201320833166.2U patent/CN203655292U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550243A (en) * | 2020-04-30 | 2020-08-18 | 三一重型装备有限公司 | Split type cutting pick, cutting head and mining mechanical equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |