CN205422525U - Screw rod drilling tool motor - Google Patents
Screw rod drilling tool motor Download PDFInfo
- Publication number
- CN205422525U CN205422525U CN201620273219.3U CN201620273219U CN205422525U CN 205422525 U CN205422525 U CN 205422525U CN 201620273219 U CN201620273219 U CN 201620273219U CN 205422525 U CN205422525 U CN 205422525U
- Authority
- CN
- China
- Prior art keywords
- stator
- rotor
- drilling tool
- tool motor
- cell space
- 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 - Fee Related
Links
Abstract
The utility model discloses a screw rod drilling tool motor, it includes rotor, stator metal casing and stator rubber inside lining, and the rotor is arranged in stator metal casing, and stator metal shells inner wall inlays the stator rubber inside lining, and rotor surfaces and stator rubber inside lining surface all scribble fibre monolithic structure coating. The utility model discloses all scribbling fibre monolithic structure coating at rotor surfaces and stator rubber inside lining surface, can effectively improving the ability of the anti high temperature of screw rod drilling tool, its fracture toughness reaches more than the 20MPa m12. Can prevent effectively that the stator rubber inside lining became invalid under the high temperature state, prevent rotor wear out failure under long -time operational environment simultaneously.
Description
Technical field
This utility model relates to a kind of screw drilling tool motor, belongs to oil drilling and Science Drilling technical field.
Background technology
Conventional underground power drilling has turbodrill and helicoid hydraulic motor.Helicoid hydraulic motor is a kind of positive displacement mud motor.Contrast turbodrill, helicoid hydraulic motor has the feature of low rotation speed large torque.
As it is shown in figure 1, existing screw drilling tool motor is to be made up of rotor 1, stator metal shell 2, stator rubber liner 3, rotor 1 is metal material.Owing to stator rubber liner 3 is by temperature and down-hole complex conditions, the most aging there is breakage simultaneously；Rotor, on the premise of long-time use, easily cracks and destroys.
Summary of the invention
The purpose of this utility model is to solve existing screw drilling tool motor weak point, it is provided that a kind of screw drilling tool motor, rotor and stator surface are covered by fibrous monolithic ceramic structure sheaf, thus solve the problems referred to above.
This utility model includes rotor, stator metal shell and stator rubber liner, rotor is positioned in stator metal shell, stator metal shell inwall inlays stator rubber liner, stator metal shell and stator rubber interliner constitute stator, rotor surface and stator rubber inner lining surface all scribble fibrous monolithic ceramic structure coating, rotor is spiral-shaped, the cross-sectional profiles line of rotor is connected with circular arc by cycloid, stator rubber liner helically shape, the cross-sectional profiles line of stator rubber liner is connected with circular arc by cycloid.
The thickness of described fibrous monolithic ceramic structure coating is 10 μm-50 μm.
The screw thread of stator and rotor is than for 2:1 or 4:3 or 6:5 or 8:7 or 10:9, and stator number of threads is usually even number.Stator can also be 3:2 or 5:4 or 7:6 or 9:8 with the screw thread ratio of rotor, and this screw thread is than not being conventional turbodrill screw thread ratio.
If described fibrous monolithic ceramic structure coating is to be made up of with cell space outer layer dry fibers cell space.
The cross section of fiber cell space is six sided structures, and the circumscribed circle diameter of six sided structures is 100 μm-500 μm；The thickness of cell space outer layer is the 1/10-1/6 of fiber cell space circumscribed circle diameter.
The material of fiber cell space is ZrC, HfC, TaC, Si3N4、SiC、ZrB2、HfB2、ZrO2Or Al2O3Deng, the material of cell space outer layer is W-Re, Re-Ni, Ni-Cr, Nb, graphite or h-BN etc..
Fibrous monolithic ceramic structure is by the deviation of crackle, the bridge joint of synusia, and the resistance making lead crack extend is substantially reduced, thus significantly improves the fracture property of material.
The beneficial effects of the utility model:
All scribbling fibrous monolithic ceramic structure coating at rotor surface and stator rubber inner lining surface, can be effectively improved the ability of helicoid hydraulic motor high temperature resistance, its fracture toughness reaches 20MPa m1/2Above.Can effectively prevent stator rubber liner to lose efficacy at high operating temperatures, prevent rotor wear out failure under the environment that works long hours simultaneously.
Accompanying drawing explanation
Fig. 1 is existing screw drilling tool stator and rotor cross-section schematic diagram.
Fig. 2 is cross sectional representation of the present utility model.
Fig. 3 fibrous monolithic ceramic of the present utility model structural material macro cross-section figure.
In figure: 1 rotor, 2 stator metal shells, 3 stator rubber liners, 4 fibrous monolithic ceramic structure coatings, 5 fiber cell spaces, 6 cell space outer layers.
Detailed description of the invention
Refer to shown in Fig. 2, this utility model includes rotor 1, stator metal shell 2 and stator rubber liner 3, rotor 1 is positioned in stator metal shell 2, stator metal shell 2 inwall inlays stator rubber liner 3, stator metal shell 2 and stator rubber liner 3 are bonded stator, rotor 1 surface and stator rubber liner 3 surface all scribble fibrous monolithic ceramic structure coating 4, rotor 1 is spiral-shaped, the cross-sectional profiles line of rotor 1 is connected with circular arc by cycloid, stator rubber liner 3 helically shape, the cross-sectional profiles line of stator rubber liner 3 is connected with circular arc by cycloid.The thickness of described fibrous monolithic ceramic structure coating 4 is 10 μm-50 μm.
The screw thread of stator and rotor 1 is than for 2:1 or 4:3 or 6:5 or 8:7 or 10:9, and stator number of threads is usually even number.Stator can also be 3:2 or 5:4 or 7:6 or 9:8 with the screw thread ratio of rotor 1, and this screw thread is than not being conventional turbodrill screw thread ratio.
Refer to shown in Fig. 3, if described fibrous monolithic ceramic structure coating 4 is to be made up of with cell space outer layer 6 dry fibers cell space 5.
The cross section of fiber cell space 5 is six sided structures, and the circumscribed circle diameter of six sided structures is 100 μm-500 μm；The thickness of cell space outer layer 6 is the 1/10-1/6 of fiber cell space 5 circumscribed circle diameter.
Fiber cell space 5 material be ZrC, HfC, TaC, Si3N4、SiC、ZrB2、HfB2、ZrO2Or Al2O3Deng, the material of cell space outer layer 6 is W-Re, Re-Ni, Ni-Cr, Nb, graphite or h-BN etc..
The beneficial effects of the utility model:
All scribbling fibrous monolithic ceramic structure coating 4 on rotor 1 surface and stator rubber liner 3 surface, can be effectively improved the ability of helicoid hydraulic motor high temperature resistance, its fracture toughness reaches 20MPa m1/2Above.Can effectively prevent stator rubber liner 3 to lose efficacy at high operating temperatures, prevent rotor 1 wear out failure under the environment that works long hours simultaneously.
Claims (7)
1. a screw drilling tool motor, including rotor (1), stator metal shell (2) and stator rubber liner (3), rotor (1) is positioned in stator metal shell (2), stator metal shell (2) inwall inlays stator rubber liner (3), stator metal shell (2) and stator rubber liner (3) are bonded stator, it is characterised in that: described rotor (1) surface and stator rubber liner (3) surface all scribble fibrous monolithic ceramic structure coating (4).
A kind of screw drilling tool motor the most according to claim 1, it is characterised in that: the thickness of described fibrous monolithic ceramic structure coating (4) is 10 μm-50 μm.
A kind of screw drilling tool motor the most according to claim 1, it is characterised in that: if described fibrous monolithic ceramic structure coating is to be made up of with cell space outer layer dry fibers cell space.
A kind of screw drilling tool motor the most according to claim 3, it is characterised in that: the cross section of fiber cell space is six sided structures, and the circumscribed circle diameter of six sided structures is 100 μm-500 μm；The 1/10-1/6 that thickness is fiber cell space circumscribed circle diameter of described cell space outer layer.
A kind of screw drilling tool motor the most according to claim 3, it is characterised in that: the material of described fiber cell space is ZrC, HfC, TaC, Si3N4、SiC、ZrB2、HfB2、ZrO2Or Al2O3；The material of described cell space outer layer is W-Re, Re-Ni, Ni-Cr, Nb, graphite or h-BN.
A kind of screw drilling tool motor the most according to claim 1, it is characterised in that: the screw thread of described stator and rotor (1) ratio is for 2:1 or 4:3 or 6:5 or 8:7 or 10:9.
A kind of screw drilling tool motor the most according to claim 1, it is characterised in that: the screw thread of stator and rotor (1) ratio is for 3:2 or 5:4 or 7:6 or 9:8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620273219.3U CN205422525U (en) | 2016-04-03 | 2016-04-03 | Screw rod drilling tool motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620273219.3U CN205422525U (en) | 2016-04-03 | 2016-04-03 | Screw rod drilling tool motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205422525U true CN205422525U (en) | 2016-08-03 |
Family
ID=56523385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620273219.3U Expired - Fee Related CN205422525U (en) | 2016-04-03 | 2016-04-03 | Screw rod drilling tool motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205422525U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107838428A (en) * | 2017-11-08 | 2018-03-27 | 吉林大学 | A kind of composite polycrystal-diamond with biomimetic features and preparation method thereof |
| WO2022026572A1 (en) * | 2020-07-31 | 2022-02-03 | Baker Hughes Oilfield Operations Llc | Metal felt and brush structures as sealing elements in metal-metal mud motors |
-
2016
- 2016-04-03 CN CN201620273219.3U patent/CN205422525U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107838428A (en) * | 2017-11-08 | 2018-03-27 | 吉林大学 | A kind of composite polycrystal-diamond with biomimetic features and preparation method thereof |
| WO2022026572A1 (en) * | 2020-07-31 | 2022-02-03 | Baker Hughes Oilfield Operations Llc | Metal felt and brush structures as sealing elements in metal-metal mud motors |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205422525U (en) | Screw rod drilling tool motor | |
| US20130052067A1 (en) | Downhole Motors and Pumps with Improved Stators and Methods of Making and Using Same | |
| US9393648B2 (en) | Undercut stator for a positive displacment motor | |
| CN202260662U (en) | Hydraulic forming equal wall-thickness screw stator | |
| US20050089429A1 (en) | Composite material progressing cavity stators | |
| CN107989200A (en) | A kind of New-type heat insulating walling connector | |
| CN102629796B (en) | Pipe fitting inner high-pressure forming equal-wall thickness screw motor and processing process thereof | |
| CN106894756A (en) | A kind of hydraulic blow helicoid hydraulic motor | |
| RU88729U1 (en) | BORING PIP JOINT | |
| CN101509357A (en) | Double-power low spiral auger and its processing method | |
| CN102386693A (en) | Rubber interlayer metal stator screw | |
| CN204754768U (en) | Screw rod drilling tool motor | |
| CN205561559U (en) | Adjustable stove roller of formula heating furnace at bottom of roller | |
| CN210714497U (en) | Double-layer combined sleeve | |
| CN104377904B (en) | Deng wall thickness metal stator lining building mortion and metal lining processing method of stator | |
| CN201219215Y (en) | Pre-outline type screw drill motor stator | |
| CN205841092U (en) | Split type wall-thickness screw motor such as grade and helicoid hydraulic motor thereof | |
| CN204267275U (en) | Retaining damping strengthens silicon carbide ceramics cylinder sleeve | |
| CN205350060U (en) | Tandem type bearing for drilling tool | |
| CN103643892B (en) | A kind of screw drive drill string sends instrument to | |
| CN203905839U (en) | Double-ledge anti-torsion anti-bending petroleum drilling rig pipe threaded connecting structure with two ledges sealed | |
| CN211342811U (en) | Well drilling casing with anti-abrasion function | |
| CN108868588A (en) | A kind of high-strength screw rod drilling tool | |
| CN207701089U (en) | A kind of super helicoid hydraulic motor | |
| CN203905838U (en) | Double-ledge anti-torsion anti-bending petroleum drilling rig pipe threaded connecting structure with outer ledge sealed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20170403 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |