CN208486846U - A kind of drill rod thread protective device - Google Patents
A kind of drill rod thread protective device Download PDFInfo
- Publication number
- CN208486846U CN208486846U CN201820928731.6U CN201820928731U CN208486846U CN 208486846 U CN208486846 U CN 208486846U CN 201820928731 U CN201820928731 U CN 201820928731U CN 208486846 U CN208486846 U CN 208486846U
- Authority
- CN
- China
- Prior art keywords
- floating
- flotation chamber
- floating axle
- axle
- 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.)
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Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 17
- 238000007667 floating Methods 0.000 claims abstract description 90
- 238000005188 flotation Methods 0.000 claims abstract description 47
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 238000005461 lubrication Methods 0.000 claims description 2
- 238000005553 drilling Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a kind of drill rod thread protective devices; including flotation chamber, floating junction, floating axle, end cap; floating junction and flotation chamber fixed seal connection, the floating junction connected and flotation chamber form the accommodating chamber for placing floating axle, and floating axle is packed into accommodating chamber；End cap is set in outside floating axle, and with flotation chamber fixed seal connection, the end of thread connection power output shaft or tool joint of floating junction, floating axle；It is provided with O-ring seal between floating junction and flotation chamber joint face, sealing ring is provided between floating axle and floating junction, by spline fitted between floating axle and flotation chamber, and sealing ring and guide ring are housed between floating axle and flotation chamber；Guide ring and dustband are housed between floating axle and end cap.Structure is simple, convenient maintenance and replacement is quick, and good seal performance is not easy gas leakage or mud, can sliding by floating axle spline and therebetween effectively transmit torque with protect drilling rod buckle unload in be not damaged.
Description
Technical field
The utility model relates to a kind of drill rod thread protective device, the top of especially a kind of water drilling rig or deep drilling rig is driven
With the device of the screw thread protection of drill rod floating.
Background technique
Drill rod thread protective device is the critical component that part is driven on deep-water well drilling machine or oil-well rig top.Country's well at present
Drilling machine and or oil-well rig part using whole Floating Technology, floating effect is undesirable, damages in this way to drill rod thread larger.Portion
Divide and equally uses floating installation, but its structure is complicated, replacement sealing ring is difficult, and maintenance is inconvenient.
Utility model content
Purpose: in order to overcome the deficiencies in the prior art, the utility model provides a kind of drill rod thread protective device.
Technical solution: in order to solve the above technical problems, the technical solution adopted by the utility model is:
A kind of drill rod thread protective device, including flotation chamber, floating junction, floating axle, end cap, floating junction and flotation chamber
By bolt, washer and pin connection, floating axle is packed into the floating junction and flotation chamber connected, and end cap is by floating axle and floats
Dynamic chamber passes through washer and is bolted, the end of thread connection power output shaft of floating junction and floating axle or tool joint.It floats
Have O-ring seal between connector and flotation chamber connecting flange, there is the second sealing ring between floating axle and floating junction, floating axle with
Flotation chamber by spline fitted, between be sequentially arranged with the first sealing ring and the first guide ring, the first sealing ring is by floating junction
Boss side pressure it is tight, between floating axle and end cap be equipped with the second guide ring and dustband.
The floating junction outer end is equipped with screw buckle, and inner end is equipped with flotation chamber and positive stop lug boss, and outside is at least provided with one
A cascade oiling hole so as to inside cavity lubricate.
The flotation chamber outer circle sets at least two cascade oiling holes, and outer end face is equipped with an O-ring seal fitting groove, interior
Side is equipped with the spline of floating and torsion pass, assembles the mounting groove of the first guide ring and assembles the mounting hole of the first sealing ring.
Described end cap one end is equipped with connection seam allowance for connecting positioning with the flotation chamber, and inside is respectively equipped with assembly the
The fitting groove of two guide rings and dustband, the fitting groove for assembling the second guide ring are at least one set of.
Described floating axle one end is equipped with screw buckle, and the other end is equipped with the fitting groove of the second sealing ring of at least one set of assembly,
Middle part is equipped with spline.
The dustband is located at outside.
Between second sealing ring being installed on floating axle and the first sealing ring being installed in flotation chamber at least
There is one group of cascade oiling hole.
At least two cascade oiling holes that the flotation chamber outer circle is set are located at the first guide ring and the first sealing ring
Between and the spline between flotation chamber and floating axle between.
The utility model has the advantages that drill rod thread protective device provided by the utility model, structure is simple, convenient maintenance and replacement is quick,
Good seal performance is not easy gas leakage or mud, can sliding by floating axle spline and therebetween effectively transmit torque and protection bore
Bar is buckled unload in be not damaged.
Detailed description of the invention
Fig. 1 is the section view X-Y scheme of the utility model；
Fig. 2 is the three-dimensional axonometric drawing of the utility model；
In figure, washer 1, bolt 2, the second guide ring 3, flotation chamber 4, the first guide ring 5, the first sealing ring 6, bolt 7, O
Type sealing ring 8, washer 9, the second sealing ring 10, floating junction 11, lubricating cup 12, pin 13, floating axle 14, end cap 15, dustband 16.
Specific embodiment
The utility model is further described combined with specific embodiments below.
As depicted in figs. 1 and 2, a kind of drill rod thread protective device, including flotation chamber 4, floating junction 11, floating axle 14,
End cap 15, floating junction 11 are connect with flotation chamber 4 by bolt 7, washer 9 and pin 13, and floating axle 14 is packed into the floating connected
In connector 11 and flotation chamber 4, end cap 15 is connect by washer 1 with bolt 2 by floating axle 14 with flotation chamber 4, floating junction 11
Power output shaft or tool joint are connect with the end of thread of floating axle 14.There is O between 4 connecting flange of floating junction 11 and flotation chamber
Type sealing ring 8, there is the second sealing ring 10 between floating axle 14 and floating junction 11, floating axle 14 is matched with flotation chamber 4 by spline
Close, between be sequentially arranged with the first sealing ring 6 and the first guide ring 5, the first sealing ring 6 by floating junction 11 boss side pressure
Tightly, the second guide ring 3 and dustband 16 are housed between floating axle 14 and end cap 15.
11 outer end of floating junction is equipped with screw buckle, and the cavity structure for accommodating floating axle 14 is equipped in the middle part of inner end
And positive stop lug boss, outside are lubricated at least provided with a cascade oiling hole to inside；
4 outer circle of flotation chamber sets at least two cascade oiling holes, and outer end face is equipped with an O-ring seal fitting groove,
Inside is equipped with the spline of floating and torsion pass, assembles the mounting groove of the first guide ring 5 and assembles the mounting hole of the first sealing ring 6；
Described 15 one end of end cap is equipped with connection seam allowance and is used to connect positioning with the flotation chamber 4, and inside is respectively equipped with dress
Fitting groove with the second guide ring 3 and dustband 16, the fitting groove for assembling the second guide ring 3 are at least one set of；
Described 14 one end of floating axle is equipped with screw buckle, and the other end is equipped with the assembly of the second sealing ring 10 of at least one set of assembly
Slot, middle part are equipped with spline；
The dustband 16 is located at outside；
Described the second sealing ring 10 being installed on floating axle 14 and the first sealing ring 6 for being installed in flotation chamber 4 it
Between at least one group cascade oiling hole；
At least two cascade oiling holes that 4 outer circle of flotation chamber is set are located at the first guide ring 5 and the first sealing
Between circle 6 and between the spline between flotation chamber 4 and floating axle 14.
The assembling process of the utility model is as follows: being respectively packed into the first guide ring 5, the first sealing ring 6, O-ring seal 8
The bolt 7 of floating junction 11, washer 9, pin 13 are connected behind 4 corresponding position of flotation chamber, then will install the second sealing ring
10 floating axle 14 is fitted into the above-mentioned device installed, is then respectively charged into the second guide ring 3 in end cap 15 with dustband 16
It is fastened after being inserted in floating axle 14 afterwards with washer 1 and bolt 2 and flotation chamber 4.
The working principle of the utility model is as follows: when work, floating axle 14 can floated by the spline cooperated with flotation chamber 4
Dynamic chamber 4 floats in floating junction 11, and matching spline plays positioning, guiding, torsion pass, and end cap and 11 boss of floating junction rise
Position-limiting action, the second guide ring 3 and the first guide ring 5 play support guide, and the first sealing ring 6 and the second sealing ring 10 seal
Air or mud prolong the service life after a period of work by 12 timed lubrication of lubricating cup, and replacement sealing ring is convenient.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of drill rod thread protective device, it is characterised in that: including flotation chamber (4), floating junction (11), floating axle (14),
End cap (15), floating junction (11) and flotation chamber (4) fixed seal connection, the floating junction connected (11) and flotation chamber (4)
The accommodating chamber for placing floating axle (14) is formed, floating axle (14) is packed into the appearance that floating junction (11) and flotation chamber (4) are formed
It receives intracavitary；End cap (15) is set in floating axle (14) outside, and with flotation chamber (4) fixed seal connection, floating junction (11), float
The end of thread connection power output shaft of axis (14) or tool joint；It is arranged between floating junction (11) and flotation chamber (4) joint face
Have O-ring seal (8), be provided between floating axle (14) and floating junction (11) the second sealing ring (10), floating axle (14) with
By spline fitted between flotation chamber (4), and the first sealing ring (6) and first are housed between floating axle (14) and flotation chamber (4)
Guide ring (5)；First sealing ring (6) is located between flotation chamber (4), floating junction (11) and floating axle (14) three, by floating
The boss side pressure of dynamic connector (11) is tight；Second guide ring (3) and dustband (16) are housed between floating axle (14) and end cap (15).
2. drill rod thread protective device according to claim 1, it is characterised in that: floating junction (11) outer end is equipped with
Screw buckle, inner end middle part are equipped with cavity structure and positive stop lug boss for accommodating floating axle (14), and outside is at least provided with an oil
Cup lubrication hole to cavity structure to lubricate.
3. drill rod thread protective device according to claim 1, it is characterised in that: flotation chamber (4) outer circle is set at least
Two cascade oiling holes, outer end face be equipped with an O-ring seal fitting groove, inside be equipped with float and the spline of torsion pass, for filling
Mounting groove with the first guide ring (5) and the mounting hole for assembling the first sealing ring (6).
4. drill rod thread protective device according to claim 1, it is characterised in that: described end cap (15) one end is equipped with connection
Seam allowance, for connecting positioning with flotation chamber (4), inside is respectively provided with the dress of assembly the second guide ring (3), dustband (16)
Slot allocation.
5. drill rod thread protective device according to claim 1, it is characterised in that: described floating axle (14) one end is equipped with spiral shell
Line button, the other end are equipped with the fitting groove of at least one set of assembly the second sealing ring (10), and middle part is equipped with spline.
6. drill rod thread protective device according to claim 1, it is characterised in that: the dustband (16) is located at outside.
7. drill rod thread protective device according to claim 1, it is characterised in that: second be installed on floating axle (14)
At least provided with one group of cascade oiling hole between sealing ring (10) and the first sealing ring (6) being installed on flotation chamber (4).
8. drill rod thread protective device according to claim 1, it is characterised in that: in flotation chamber (4) outer circle, first
Be provided at least one set of cascade oiling hole between guide ring (5) and the first sealing ring (6), flotation chamber (4) and floating axle (14) it
Between spline between be provided at least one set of cascade oiling hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820928731.6U CN208486846U (en) | 2018-06-15 | 2018-06-15 | A kind of drill rod thread protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820928731.6U CN208486846U (en) | 2018-06-15 | 2018-06-15 | A kind of drill rod thread protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208486846U true CN208486846U (en) | 2019-02-12 |
Family
ID=65252080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820928731.6U Active CN208486846U (en) | 2018-06-15 | 2018-06-15 | A kind of drill rod thread protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208486846U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794693A (en) * | 2020-07-27 | 2020-10-20 | 中煤科工集团重庆研究院有限公司 | Omnibearing floating drill rod |
-
2018
- 2018-06-15 CN CN201820928731.6U patent/CN208486846U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794693A (en) * | 2020-07-27 | 2020-10-20 | 中煤科工集团重庆研究院有限公司 | Omnibearing floating drill rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xuzhou XCMG Energy Equipment Co.,Ltd. Assignor: XUZHOU XUGONG FOUNDATION CONSTRUCTION MACHINERY Co.,Ltd. Contract record no.: X2024980009245 Denomination of utility model: A drill pipe thread protection device Granted publication date: 20190212 License type: Common License Record date: 20240710 |
|
| EE01 | Entry into force of recordation of patent licensing contract |