CN208280904U - Reaming bit - Google Patents
Reaming bit Download PDFInfo
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- CN208280904U CN208280904U CN201820334678.7U CN201820334678U CN208280904U CN 208280904 U CN208280904 U CN 208280904U CN 201820334678 U CN201820334678 U CN 201820334678U CN 208280904 U CN208280904 U CN 208280904U
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- drilling tool
- pipe nipple
- cone
- tool pipe
- circular platform
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Abstract
The utility model relates to reaming bits.Reaming bit, including drilling tool pipe nipple, three reinforcing ribs, three cone palm seats and three cone palms；Three cone palm seat balanced weldings are set on the lateral wall of drilling tool pipe nipple, and reinforcing rib is welded with the lateral wall of cone palm seat, drilling tool pipe nipple respectively；Cone palm is connected by joinery and its construction with cone palm seat and is fixed by fastening bolt.The invention also discloses another reaming bits, including drilling tool pipe nipple, six reinforcing ribs, six cone palm seats, carcass and six cone palms；Carcass weldering is set to the lateral wall of drilling tool pipe nipple；Six cone palm seats uniformly weld on the lateral wall of carcass, and reinforcing rib is welded with carcass, cone palm seat respectively；Cone palm is connected by joinery and its construction with cone palm seat and is fixed by fastening bolt.Reaming bit disclosed by the utility model has the advantages that 1, of simple structure and strong practicability；2, cone palm replacing construction is short；3, cone palm long service life；4, productivity effect is improved.
Description
Technical field
The utility model belongs to machinery field, and in particular to reaming bit.
Background technique
Increasing with country to Coal Mine Safety Supervision dynamics, coal mine safety management more standardize.Each coal mine all adds
Emergency relief hole, provisions hole, the various forms of macropores such as hole, note nitrogen fire extinguishing hole, gas extraction hole of escaping of taking refuge.According to macropore
Construction process requirement is not achieved in construction technology, conventional bit.This, which just needs to make large aperture drill bit, can be only achieved technique requirement.
Large aperture drill bit used at present is that cone palm assembly is welded on the carcass of reaming bit mostly, this big
Aperture drill bit has the following deficiencies place: 1, cone palm is welded on carcass, due to thermal stress deformation, not can guarantee reaming bit
Size is unified；2, the high temperature generated when welding cone palm makes the lubricating oil inside cone palm that qualitative change occur, ineffective, shortens
Cone palm service life；3, replacement cone palm is more troublesome, slice off it is old weld again it is new, it is time-consuming.Production efficiency is low；
4, cost input is larger.
Utility model content
Purpose of utility model: the utility model makes improvement for the above-mentioned problems of the prior art, i.e., this is practical new
Type discloses reaming bit.
Technical solution: reaming bit, including drilling tool pipe nipple, three reinforcing ribs, three cone palm seats and three cone palms；
It is concaved with circular platform type groove in the middle part of one end of the drilling tool pipe nipple, is set in the inner sidewall of the circular platform type groove
There is internal screw thread, is convexly equipped with circular platform type boss in the middle part of the other end of the drilling tool pipe nipple, the lateral wall of the circular platform type boss is equipped with
External screw thread, the middle part of the drilling tool pipe nipple are equipped with through slot along axis, the both ends of the through slot respectively with the bottom side of circular platform type groove, circle
The top side of bench-type boss is connected；
Three cone palm seat balanced weldings are set on the lateral wall of drilling tool pipe nipple, the reinforcing rib respectively with the cone palm
The lateral wall welding of seat, the drilling tool pipe nipple；
The cone palm is connected by joinery and its construction with the cone palm seat and is fixed by fastening bolt.
Reaming bit, including drilling tool pipe nipple, six reinforcing ribs, six cone palm seats, carcass and six cone palms；
It is concaved with circular platform type groove in the middle part of one end of the drilling tool pipe nipple, is set in the inner sidewall of the circular platform type groove
There is internal screw thread, is convexly equipped with circular platform type boss in the middle part of the other end of the drilling tool pipe nipple, the lateral wall of the circular platform type boss is equipped with
External screw thread, the middle part of the drilling tool pipe nipple are equipped with through slot along axis, the both ends of the through slot respectively with the bottom side of circular platform type groove, circle
The top side of bench-type boss is connected；
The carcass weldering is set to the lateral wall of the drilling tool pipe nipple；
Six cone palm seats uniformly weld on the lateral wall set on the carcass, the reinforcing rib respectively with the carcass, institute
State the welding of cone palm seat；
The cone palm is connected by joinery and its construction with the cone palm seat and is fixed by fastening bolt.
The utility model has the advantages that reaming bit disclosed by the utility model has the advantages that
1, of simple structure and strong practicability；
2, cone palm replacing construction is short；
3, cone palm long service life；
4, reaming size Control can preferably be guaranteed construction quality and progress in the error range of permission, improves production
Benefit.
Detailed description of the invention
Fig. 1 is an example structure schematic diagram of reaming bit disclosed by the utility model；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is another example structure schematic diagram of reaming bit disclosed by the utility model；
Fig. 4 is the top view of Fig. 3.
Wherein:
1- cone palm 2- reinforcing rib
3- cone palm seat 4- fastening bolt
5- drilling tool pipe nipple 6- carcass
Specific embodiment:
Specific embodiment of the present utility model is described in detail below.
Specific embodiment 1
As illustrated in fig. 1 and 2, reaming bit, including the cone palm seat 3 of reinforcing rib 2, three of drilling tool pipe nipple 5, three and three teeth
The wheel palm 1；
It is concaved with circular platform type groove in the middle part of one end of drilling tool pipe nipple 5, is equipped in the inner sidewall of the circular platform type groove
Internal screw thread is convexly equipped with circular platform type boss in the middle part of the other end of drilling tool pipe nipple 5, and the lateral wall of the circular platform type boss is equipped with outer spiral shell
The middle part of line, drilling tool pipe nipple 5 is equipped with through slot along axis, and the both ends of the through slot are convex with the bottom side of circular platform type groove, circular platform type respectively
The top side of platform is connected；
Three 3 balanced weldings of cone palm seat are set on the lateral wall of drilling tool pipe nipple 5, reinforcing rib 2 respectively with cone palm seat 3, bore
Has the lateral wall welding of pipe nipple 5；
Cone palm 1, which is connected by joinery and its construction with cone palm seat 3 and passes through fastening bolt 4, to be fixed.
Specific embodiment 2
As shown in Figures 3 and 4, reaming bit, including the reinforcing rib 2, six of drilling tool pipe nipple 5, six cone palm seat 3,6 and of carcass
Six cone palms 1；
It is concaved with circular platform type groove in the middle part of one end of drilling tool pipe nipple 5, is equipped in the inner sidewall of the circular platform type groove
Internal screw thread is convexly equipped with circular platform type boss in the middle part of the other end of drilling tool pipe nipple 5, and the lateral wall of the circular platform type boss is equipped with outer spiral shell
The middle part of line, drilling tool pipe nipple 5 is equipped with through slot along axis, and the both ends of the through slot are convex with the bottom side of circular platform type groove, circular platform type respectively
The top side of platform is connected；
The weldering of carcass 6 is set to the lateral wall of drilling tool pipe nipple 5；
Uniformly weldering is set on the lateral wall of carcass 6 six cone palm seats 3, and reinforcing rib 2 is welded with carcass 6, cone palm seat 3 respectively
It connects；
Cone palm 1, which is connected by joinery and its construction with cone palm seat 3 and passes through fastening bolt 4, to be fixed.
The embodiments of the present invention is elaborated above.But the utility model is not limited to above-mentioned implementation
Mode, technical field those of ordinary skill within the scope of knowledge, the utility model ancestor can also not departed from
It is made a variety of changes under the premise of purport.
Claims (2)
1. reaming bit, which is characterized in that including drilling tool pipe nipple, three reinforcing ribs, three cone palm seats and three cone palms；
It is concaved with circular platform type groove in the middle part of one end of the drilling tool pipe nipple, is equipped in the inner sidewall of the circular platform type groove interior
Screw thread is convexly equipped with circular platform type boss in the middle part of the other end of the drilling tool pipe nipple, and the lateral wall of the circular platform type boss is equipped with outer spiral shell
Line, the middle part of the drilling tool pipe nipple are equipped with through slot along axis, the both ends of the through slot respectively with the bottom side of circular platform type groove, circular platform type
The top side of boss is connected；
Three cone palm seat balanced weldings are set on the lateral wall of drilling tool pipe nipple, the reinforcing rib respectively with the cone palm seat, institute
State the lateral wall welding of drilling tool pipe nipple；
The cone palm is connected by joinery and its construction with the cone palm seat and is fixed by fastening bolt.
2. reaming bit, which is characterized in that including drilling tool pipe nipple, six reinforcing ribs, six cone palm seats, carcass and six gear wheels
The palm；
It is concaved with circular platform type groove in the middle part of one end of the drilling tool pipe nipple, is equipped in the inner sidewall of the circular platform type groove interior
Screw thread is convexly equipped with circular platform type boss in the middle part of the other end of the drilling tool pipe nipple, and the lateral wall of the circular platform type boss is equipped with outer spiral shell
Line, the middle part of the drilling tool pipe nipple are equipped with through slot along axis, the both ends of the through slot respectively with the bottom side of circular platform type groove, circular platform type
The top side of boss is connected；
The carcass weldering is set to the lateral wall of the drilling tool pipe nipple；
Six cone palm seats uniformly weld on the lateral wall set on the carcass, the reinforcing rib respectively with the carcass, the tooth
Wheel palm seat welding；
The cone palm is connected by joinery and its construction with the cone palm seat and is fixed by fastening bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820334678.7U CN208280904U (en) | 2018-03-12 | 2018-03-12 | Reaming bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820334678.7U CN208280904U (en) | 2018-03-12 | 2018-03-12 | Reaming bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208280904U true CN208280904U (en) | 2018-12-25 |
Family
ID=64748953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820334678.7U Active CN208280904U (en) | 2018-03-12 | 2018-03-12 | Reaming bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208280904U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827918A (en) * | 2020-07-23 | 2020-10-27 | 北京大地高科地质勘查有限公司 | Novel plugging device for large-diameter pneumatic down-the-hole hammer reverse circulation drilling process |
-
2018
- 2018-03-12 CN CN201820334678.7U patent/CN208280904U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827918A (en) * | 2020-07-23 | 2020-10-27 | 北京大地高科地质勘查有限公司 | Novel plugging device for large-diameter pneumatic down-the-hole hammer reverse circulation drilling process |
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