CN103437711B - reamer - Google Patents
reamer Download PDFInfo
- Publication number
- CN103437711B CN103437711B CN201310409247.4A CN201310409247A CN103437711B CN 103437711 B CN103437711 B CN 103437711B CN 201310409247 A CN201310409247 A CN 201310409247A CN 103437711 B CN103437711 B CN 103437711B
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- CN
- China
- Prior art keywords
- bevel gear
- reamer
- main shaft
- driven bevel
- reaming bit
- 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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Abstract
The invention relates to the field of drilling equipment, in particular to a reamer. The reamer comprises a first reaming bit, a main shaft detachably connected with a drilling rod and provided with one end connected with the first reaming bit, a drive bevel gear coaxially and fixedly connected with the main shaft, and a plurality of driven bevel gears, wherein the drive bevel gear is sequentially engaged with the plurality of driven bevel gears, and the last driven bevel gear is mutually engaged with the drive bevel gear; and at least one of the plurality of driven bevel gears is fixedly connected with a second reaming bit, and the driven bevel gear is coaxial with the second reaming bit. Due to the connection relationship, all the bevel gears form an annular integral structure, thus realizing a power transfer effect and ensuring the supporting points of all the bevel gears, namely, the position of the reamer is fixed by the two adjacent bevel gears and prevented from sliding off to ensure normal work.
Description
Technical field
The present invention relates to drilling equipment field, in particular to reamer.
Background technology
In no-dig technique horizontal directional drilling piping work, the most all use following operation: lead
→ reaming → back of pipeline torr is entered to hole drill.Wherein, reaming refers to " use reamer to expand
The diameter of the pilot hole got out ".
In correlation technique, reamer only includes a reaming bit, therefore, at reaming procedure
In, reaming can only be carried out on the work surface in a direction, thus carry out a reaming and expanded
Big size is limited.When the pipeline laid is thicker, according to above reamer reaming, then
Need reaming repeatedly for several times, can be only achieved the size needed for pipeline.
Summary of the invention
It is an object of the invention to provide reamer, to solve above-mentioned problem.
Provide a kind of reamer in an embodiment of the present invention, including:
First reaming bit；
The main shaft removably connected with drilling rod；One end of described main shaft and described first reamer
Head connects；
One driving bevel gear, the fixing connection coaxial with described main shaft of described driving bevel gear；
Multiple driven bevel pinions, described driving bevel gear, multiple described driven bevel pinion are successively
Engage, and last described driven bevel pinion intermeshes with described driving bevel gear；
In multiple described driven bevel pinions, at least a described driven bevel pinion is fixedly connected with
Two reaming bits, and this driven bevel pinion is coaxial with described second reaming bit.
The reamer of the above embodiment of the present invention include first reaming bit and at least one
Second reaming bit, i.e. it at least has two reaming bits；And the first reaming bit sets
Put the one end at the main shaft being connected with drilling rod, and the second reaming bit is connected to driven bevel pinion
On, therefore these drill bits to arrange position different, therefore, it can the work in multiple directions
Face carries out reaming simultaneously.Therefore compared with the reamer in correlation technique, the reaming of the present invention
It is bigger that device carries out the size that a reaming expanded.Therefore for the thickest pipeline, this
The number of times of bright reamer reaming reduces.Therefore, the reamer utilizing the present invention both can save
Save labour force, again can be time-consuming.Wherein the first reaming bit and the second reaming bit
Operation power is as follows:
For the first reaming bit, under the effect of drilling rod motion, before main shaft is driven to rotate
Enter, and then drive the first reaming bit to be rotationally advancing with reaming；
For the second reaming bit, under the effect of drilling rod motion, before main shaft is driven to rotate
Enter, and then drive the driving bevel gear being fixed on main shaft to rotate, and then drive multiple driven
Bevel-gear rotating, and then drive the second reaming bit being connected with driven bevel pinion to rotate to expand
Hole.
Wherein, described driving bevel gear, multiple described driven bevel pinion engage successively, and
Last described driven bevel pinion intermeshes with described driving bevel gear.Such connection
Relation makes all bevel gears constitute an annular overall structure, has the most both achieved power
The effect of transmission, it is also ensured that all of bevel gear has the strong point, i.e. its position is adjacent
Two bevel gears fix, and be unlikely to landing, thus cannot normally work.
Accompanying drawing explanation
Fig. 1 shows the planar structure schematic diagram of a kind of reamer that the present invention provides.
Detailed description of the invention
Below by specific embodiment and combine accompanying drawing and the present invention is done further in detail
Describe.
Embodiment one
As it is shown in figure 1, this embodiment offers a kind of reamer, comprising:
First reaming bit 1, and the main shaft 6 removably connected with drilling rod；The one of main shaft 6
End is connected with the first reaming bit 1.
One driving bevel gear 4, driving bevel gear 4 fixing connection coaxial with main shaft 6.
Multiple driven bevel pinions 3, driving bevel gear 4, multiple driven bevel pinion 3 engage successively,
And last driven bevel pinion 3 intermeshes with driving bevel gear 4；Multiple driven umbrellas
In gear 3, at least a driven bevel pinion 3 is fixedly connected with the second reaming bit 2,
And this driven bevel pinion 3 is coaxial with the second reaming bit 2.
Above-mentioned reamer can reach following technique effect:
Above-mentioned reamer includes one first reaming bit 1 and at least one second reaming bit
2, i.e. it at least has two reaming bits, and these drill bits to arrange position different, because of
This, can carry out reaming at multiple work surfaces, therefore with the reamer in correlation technique simultaneously
Comparing, it is relatively big that this reamer carries out the size that a reaming expanded, therefore for same thick
Pipeline, the number of times of the reamer reaming of the present invention reduces.Therefore, the expansion of the present invention is utilized
Hole device both can save labour force, again can be time-consuming.Wherein the first reaming bit 1 He
The operation power of the second reaming bit 2 is as follows.
For the first reaming bit 1, under the effect of drilling rod motion, main shaft 6 is driven rotation
Turn and advance, and then drive the first reaming bit 1 to be rotationally advancing with reaming.
For the second reaming bit 2, under the effect of drilling rod motion, main shaft 6 is driven rotation
Turn and advance, and then drive the driving bevel gear 4 being fixed on main shaft 6 to rotate, and then drive
Multiple driven bevel pinions 3 rotate, and then drive the second reaming being connected with driven bevel pinion 3
Drill bit rotates with reaming.
Wherein, described driving bevel gear 4, multiple described driven bevel pinion 3 engage successively,
And last described driven bevel pinion intermeshes with described driving bevel gear 4.So
Annexation make all bevel gears constitute an annular overall structure, the most both realized
The effect of power transmission, it is also ensured that all of bevel gear has the strong point, i.e. its position
Fixed (effect being i.e. mutually positioned) by two adjacent bevel gears, and be unlikely to landing and nothing
Method normally works.Additionally, main shaft 6 can use dismountable connection with the first reaming bit 1
Mode.So that the first reaming bit 1 is individually replaced the first reaming bit 1 after damaging, and
Without being changed by whole device, improve the utilization ratio of part.
It addition, all reaming bits above can use various reamer of the prior art
Head, it possesses the function that reaming bit is most basic, such as, can be threaded connection with drilling rod, on it
It is provided with apopore etc..
The reamer of above-described embodiment can also improve further, to reach more technology effect
Really, as it is shown in figure 1, such as:
Preferably, driven bevel pinion 3 is three；Wherein, relative with driving bevel gear 4
Driven bevel pinion 3 is rotationally connected with main shaft 6, and coaxial with main shaft 6.According to bevel gear
Construction features, follow according to a driving bevel gear 4 and two driven bevel pinions 3 composition
The relation of ring engagement, requires more harsh to the geometry of bevel gear.According to three from
Dynamic bevel gear 3 and the relation of a driving bevel gear 4 composition circulation engagement, then to bevel gear
Geometry require reduce, hence in so that the product of the present invention be more easy to produce.Compare simultaneously
Greater number of driven gear, uses three driven gears can save the input amount of material.
Additionally, the relative driven bevel pinion 3 of driving bevel gear 4 is rotationally connected with main shaft 6, and
Coaxial with main shaft 6, the loop configuration that all bevel gears can be made to form has had another one to prop up
Support point (i.e. main shaft and driven bevel pinion be rotationally connected place), improves the steady of reamer work
Qualitative.
Above-mentioned three driven bevel pinions 3 are set on the basis of, carry out following advantageous embodiment:
Two driven bevel pinions 3 adjacent with driving bevel gear 4 are connected to the second reaming bit
2.So ensure that reamer can carry out reaming in three directions: dead ahead, left side and right side,
Thus improve the reaming area of reamer, and then improve reaming efficiency.
Additionally, above-mentioned three driven bevel pinions 3 are set on the basis of, it is also possible to carry out with
Lower advantageous embodiment: the driven bevel pinion relative with driving bevel gear 4 and main shaft 6 pass through bearing
Connect.So can avoid main shaft 6 that the driven bevel pinion being not provided with reaming bit is caused
Spatial obstacle, does not affect it and rotates, and when avoiding be connected fixing with this driven bevel pinion
Weakened power, improves the utilization rate of transfer motion power.
Additionally, in embodiment one, driven bevel pinion 3 can pass through countershaft 5 and the second reamer
2 connect.Wherein, the connection of driven bevel pinion 3 and the second reaming bit 2 is to incite somebody to action
Rotary power passes to the second reaming bit 2, and therefore, connector between the two needs to hold
By bigger moment of torsion, and use countershaft 5 can meet this requirement.
Additionally, in embodiment one, it is also possible to increasing shell, this shell is by all driven umbrella teeth
In wheel 3 and driving bevel gear 4 are wrapped in.So can be by all bevel gears and extraneous ring
Border keeps apart, it is to avoid the rubble produced in drilling process damages bevel gear.Its housing is preferred
Use stainless steel casing, to avoid the drill-in fluid erosion to shell.
On the basis of arranging shell, countershaft 5 and main shaft 6 all can make on shell through shell
Form through hole, be now provided with sealing ring in through hole.So can improve sealing effectiveness.Its
In, it is preferable that sealing ring uses waterproof grommet, and drill-in fluid so can be avoided sealing
The erosion of circle.
Embodiment two
As it is shown in figure 1, this embodiment offers another kind of reamer, comprising:
First reaming bit 1, and the main shaft 6 removably connected with drilling rod；The one of main shaft 6
End is connected with the first reaming bit 1.
One driving bevel gear 4, driving bevel gear 4 fixing connection coaxial with main shaft 6.
Three driven bevel pinions 3,4, three driven bevel pinions 3 of driving bevel gear engage successively,
And last driven bevel pinion 3 intermeshes with driving bevel gear 4.Multiple driven umbrellas
In gear 3, the driven bevel pinion relative with driving bevel gear 4 and main shaft 6 pass through bearing
Connect, and coaxial with main shaft 6；And two the driven umbrellas adjacent with driving bevel gear 4
Gear 3 is connected by countershaft 5 respectively the second reaming bit 2.
Also including shell, all driven bevel pinions 3 and driving bevel gear 4 are wrapped in by shell
In.Countershaft 5 and main shaft 6 both pass through shell and make to be formed on shell through hole；And through hole sets
There is sealing ring.Main shaft 6 removably connects with the first reaming bit 1.
The reamer of above-described embodiment two has the technology effect identical with the reamer of embodiment one
Really, also have and the technique effect of preferred structure total above.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention,
For a person skilled in the art, the present invention can have various modifications and variations.All
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made,
Should be included within the scope of the present invention.
Claims (7)
1. reamer, it is characterised in that including:
First reaming bit；
The main shaft removably connected with drilling rod；One end of described main shaft is connected with described first reaming bit；
One driving bevel gear, the fixing connection coaxial with described main shaft of described driving bevel gear；
Three driven bevel pinions, described driving bevel gear, three described driven bevel pinions engage successively, and last described driven bevel pinion intermeshes with described driving bevel gear；The described driven bevel pinion relative with described driving bevel gear is connected with described main shaft co-rotation；
Two the described driven bevel pinions adjacent with described driving bevel gear are fixedly connected with the second reaming bit by countershaft respectively, and this driven bevel pinion is coaxial with described second reaming bit.
Reamer the most according to claim 1, it is characterised in that the described driven bevel pinion relative with described driving bevel gear is connected by bearing with described main shaft.
Reamer the most according to claim 1, it is characterised in that also include shell, in all described driven bevel pinions and described driving bevel gear are wrapped in by described shell.
Reamer the most according to claim 3, it is characterised in that described countershaft and described main shaft both pass through described shell and make to be formed on described shell through hole；And through hole is provided with sealing ring.
Reamer the most according to claim 4, it is characterised in that described sealing ring is waterproof grommet.
Reamer the most according to claim 3, it is characterised in that described shell is stainless steel casing.
Reamer the most according to claim 1, it is characterised in that described main shaft removably connects with described first reaming bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310409247.4A CN103437711B (en) | 2013-09-10 | 2013-09-10 | reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310409247.4A CN103437711B (en) | 2013-09-10 | 2013-09-10 | reamer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103437711A CN103437711A (en) | 2013-12-11 |
| CN103437711B true CN103437711B (en) | 2017-01-11 |
Family
ID=49691417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310409247.4A Expired - Fee Related CN103437711B (en) | 2013-09-10 | 2013-09-10 | reamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103437711B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU983244A1 (en) * | 1981-03-04 | 1982-12-23 | Кузбасский Политехнический Институт | Borehole expander |
| CN1319702A (en) * | 2001-01-15 | 2001-10-31 | 天津开发区三友新科技开发有限公司 | Measuring controllable differential drilling-reaming two-purpose drill rig |
| CN2607434Y (en) * | 2003-03-06 | 2004-03-24 | 中国石化集团江汉石油管理局油田建设工程公司 | Combined hole enlarging bit |
| CN101701507A (en) * | 2009-10-30 | 2010-05-05 | 上海佳友市政建筑有限公司 | Underreamer with extrusion and wall-expansion functions |
| CN203463011U (en) * | 2013-09-10 | 2014-03-05 | 朱卫江 | Reamer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201679444U (en) * | 2009-08-05 | 2010-12-22 | 中国石油天然气管道局 | Low torque reamer |
-
2013
- 2013-09-10 CN CN201310409247.4A patent/CN103437711B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU983244A1 (en) * | 1981-03-04 | 1982-12-23 | Кузбасский Политехнический Институт | Borehole expander |
| CN1319702A (en) * | 2001-01-15 | 2001-10-31 | 天津开发区三友新科技开发有限公司 | Measuring controllable differential drilling-reaming two-purpose drill rig |
| CN2607434Y (en) * | 2003-03-06 | 2004-03-24 | 中国石化集团江汉石油管理局油田建设工程公司 | Combined hole enlarging bit |
| CN101701507A (en) * | 2009-10-30 | 2010-05-05 | 上海佳友市政建筑有限公司 | Underreamer with extrusion and wall-expansion functions |
| CN203463011U (en) * | 2013-09-10 | 2014-03-05 | 朱卫江 | Reamer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103437711A (en) | 2013-12-11 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20180910 |
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| CF01 | Termination of patent right due to non-payment of annual fee |