CN220395635U - Drilling dust catcher - Google Patents
Drilling dust catcher Download PDFInfo
- Publication number
- CN220395635U CN220395635U CN202322107162.2U CN202322107162U CN220395635U CN 220395635 U CN220395635 U CN 220395635U CN 202322107162 U CN202322107162 U CN 202322107162U CN 220395635 U CN220395635 U CN 220395635U
- Authority
- CN
- China
- Prior art keywords
- drill rod
- catcher
- sealing ring
- bearing
- utility
- 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.)
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Links
- 239000000428 dust Substances 0.000 title claims abstract description 30
- 238000005553 drilling Methods 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 239000002893 slag Substances 0.000 claims description 7
- 238000005299 abrasion Methods 0.000 abstract description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 7
- 235000017491 Bambusa tulda Nutrition 0.000 description 7
- 241001330002 Bambuseae Species 0.000 description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 7
- 239000011425 bamboo Substances 0.000 description 7
- 238000007599 discharging Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model relates to the technical field of devices for meshing with an inlet of a drill hole, and in particular discloses a drill hole dust catcher, which comprises: the catcher body is provided with the drilling rod passageway in the catcher body, and this catcher still includes dynamic seal assembly, and dynamic seal assembly includes: the bearing installed in the drill rod channel and the sealing ring installed between the bearing and the drill rod channel reduce the abrasion of the sealing ring and prolong the service life of the sealing ring.
Description
Technical Field
The utility model relates to the technical field of devices for meshing with an inlet of a drill hole, in particular to a drill hole dust catcher.
Background
In the coal mining process, firstly, drilling holes are driven into the coal seam to be mined, and gas is extracted from the coal seam to be mined through the drilling holes. When the drill rod is used for drilling, a large amount of dust can be generated in the drilling process, and in the prior art, a dust falling device is usually arranged between the drilling opening and the drill rod to reduce the dust content in the air of a construction area, so that the health of workers is ensured.
Such as: publication number CN202937203U discloses a mine drilling machine's extraction dust fall device, including a dust capture section of thick bamboo, the one end of dust capture section of thick bamboo is equipped with the horn mouth cover, and the other end is equipped with a bearing mount pad, installs the bearing in the bearing mount pad, and the rotating head passes through bearing and bearing mount pad cooperation, and the tip of bearing mount pad is equipped with the spacing second end cover of bearing, and the cover has an urceolus on the dust capture section of thick bamboo, the middle section of dust capture section of thick bamboo is equipped with the fixed bolster, and the one end that urceolus is relative with the fixed bolster is equipped with the connection journal stirrup, and urceolus and fixed bolster pass through the bolt lock, be equipped with the sealant cover between urceolus and the dust capture section of thick bamboo, the one end of this sealant cover extends to cover on the horn mouth cover, and the upper portion of dust capture section of thick bamboo is equipped with the inlet port that is used for connecting the inlet tube, and the dust capture section of thick bamboo lower part is equipped with the row's slag hole that is used for connecting the sediment pipe. When the device is used, a drill rod provided with a drill bit is required to be inserted into the rotating head of the dust settling device, and the drill rod is sealed with the rotating head of the dust settling device by adopting a sealing ring, so that dust is prevented from overflowing.
Such a way of sealing the drill rod and the dust collector by means of the sealing ring has the following disadvantages: when drilling is carried out, as the sealing ring is in direct contact with the drill rod, and the drill rod in a rotating state needs to be continuously fed along the axial direction of the sealing ring, the circumferential abrasion of the sealing ring can be caused by the rotating motion of the drill rod, the axial abrasion of the sealing ring can be caused by the feeding of the drill rod, the abrasion loss of the sealing ring can be increased, and the service life of the sealing ring is shortened.
Disclosure of Invention
The utility model aims to provide a drilling dust catcher which reduces abrasion of a sealing ring and prolongs the service life of the sealing ring.
The embodiment of the utility model is realized by the following technical scheme:
a borehole dust catcher, comprising: the catcher body is provided with the drilling rod passageway in the catcher body, and this catcher still includes dynamic seal assembly, and dynamic seal assembly includes: a bearing mounted in the drill pipe passage and a seal ring mounted between the bearing and the drill pipe passage.
Further, the catcher body is cylindrical, one end of the catcher body is in an open state, and the second end cover is detachably arranged at the other end of the catcher body.
Further, the second end cap is mounted on the catcher body by a snap-fit connection.
Further, the dynamic seal assembly further comprises: and a sealing brush arranged at one side of the bearing.
Further, a chamber for mounting the power seal assembly is provided on the second end cap.
Further, a slag discharging port communicated with the drill rod channel is arranged on the catcher body.
The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:
according to the utility model, the bearing is arranged between the sealing ring and the drill rod, and the rotating drill rod can not drive the sealing ring to rotate, so that the circumferential abrasion of the sealing ring is eliminated; the drill rod and the bearing inner ring are in clearance fit, and the outer ring of the sealing ring and the drill rod channel are in clearance fit, so that the axial direction of the sealing ring is reduced. The utility model reduces the abrasion of the sealing ring and prolongs the service life of the sealing ring under the condition of ensuring certain sealing condition.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a borehole according to the present utility model;
FIG. 2 is a cross-sectional view of the overall structure provided by the present utility model;
icon: 11-drill rod channel, 4-drilling hole, 41-drill rod, 5-catcher body, 51-second end cover, 511-chamber, 52-slag discharging port, 6-dynamic seal assembly, 61-bearing, 62-seal ring, 63-seal brush.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 and 2, the present embodiment provides a drilling dust catcher, including: the catcher body 5, be provided with drilling rod passageway 11 in the catcher body 5, this catcher still includes dynamic seal assembly 6, and dynamic seal assembly 6 includes: a bearing 61 mounted in the drill rod channel 11 and a sealing ring 62 mounted between the bearing 61 and the drill rod channel 11. The catcher body 5 is cylindrical, and the catcher body 5 has one end opened and the other end detachably attached with the second end cover 51.
In particular use, the open end of the catcher body 5 communicates with the borehole 4, communicating the borehole 4 with the drill pipe passage 11. The drill rod 41 passes through the inner ring of the bearing 61 and enters the drill hole 4, and the drill rod 41 and the inner ring of the bearing 61 are installed in a clearance fit; the outer ring of the bearing 61 and the inner ring of the sealing ring 62 are in interference fit; the outer ring of the sealing ring 62 is mounted in a clearance fit with the drill rod channel 11.
By using the utility model, as the bearing 61 is arranged between the sealing ring 62 and the drill rod 41, the rotating drill rod 41 does not drive the sealing ring 62 to rotate, so that the circumferential abrasion of the sealing ring 62 is eliminated; the drill rod 41 and the inner ring of the bearing 61 are in clearance fit, and the outer ring of the sealing ring 62 and the drill rod channel 11 are in clearance fit, so that the axial direction of the sealing ring 62 is reduced. The utility model reduces the abrasion of the sealing ring 62 and prolongs the service life of the sealing ring 62 under the condition of ensuring certain tightness between the drill rod 41 and the drill rod channel 11.
The dynamic seal assembly 6 further includes: a seal brush 63 mounted on one side of the bearing 61. The sealing brushes 63 are arrayed along the circumferential direction of the drill rod 41, so that the sealing brushes 63 and the drill rod 41 are in interference fit, and the tightness of dust between the drill rod 41 and the drill rod channel 11 is further ensured.
The second end cap 51 is provided with a chamber 511 for mounting the dynamic seal assembly 6, and the second end cap 51 is mounted on the catcher body 5 by a snap-fit connection. Of course, the movable sealing assembly 6 can be conveniently maintained by adopting a detachable installation mode such as bolts, screws and the like.
The catcher body 5 is provided with a slag discharging port 52 communicated with the drill rod channel 11, the slag discharging port 52 is externally connected with processing equipment, sundries such as dust, gas and the like generated in drilling construction are collected together through the slag discharging port 52, are uniformly and intensively processed through the processing equipment, and are discharged after meeting the discharge condition (the processing mode and the processing equipment are common knowledge of the person skilled in the art and are not repeated here).
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. A borehole dust catcher, comprising: the catcher body (5) be provided with drilling rod passageway (11) in catcher body (5), its characterized in that still includes dynamic seal assembly (6), dynamic seal assembly (6) include: a bearing (61) mounted in the drill rod channel (11) and a sealing ring (62) mounted between the bearing (61) and the drill rod channel (11).
2. Drilling dust catcher as claimed in claim 1, characterized in that the catcher body (5) is cylindrical, the catcher body (5) being open at one end and a second end cap (51) being detachably mounted at the other end.
3. Drilling dust catcher according to claim 2, characterized in that the second end cap (51) is mounted on the catcher body (5) by means of a snap connection.
4. A borehole dust catcher as claimed in claim 3, characterized in that the dynamic sealing assembly (6) further comprises: and a seal brush (63) mounted on one side of the bearing (61).
5. Drilling dust catcher according to claim 4, characterized in that a chamber (511) is provided on the second end cap (51) for mounting the dynamic seal assembly (6).
6. Drilling dust catcher according to claim 1, characterized in that a slag discharge opening (52) communicating with the drill rod channel (11) is provided in the catcher body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322107162.2U CN220395635U (en) | 2023-08-07 | 2023-08-07 | Drilling dust catcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322107162.2U CN220395635U (en) | 2023-08-07 | 2023-08-07 | Drilling dust catcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220395635U true CN220395635U (en) | 2024-01-26 |
Family
ID=89608345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322107162.2U Active CN220395635U (en) | 2023-08-07 | 2023-08-07 | Drilling dust catcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220395635U (en) |
-
2023
- 2023-08-07 CN CN202322107162.2U patent/CN220395635U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |