CN207829799U - A kind of hold angle helicoid hydraulic motor for extended reach directional well - Google Patents
A kind of hold angle helicoid hydraulic motor for extended reach directional well Download PDFInfo
- Publication number
- CN207829799U CN207829799U CN201721679941.8U CN201721679941U CN207829799U CN 207829799 U CN207829799 U CN 207829799U CN 201721679941 U CN201721679941 U CN 201721679941U CN 207829799 U CN207829799 U CN 207829799U
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- Prior art keywords
- assembly
- lost
- shaft
- nut
- output shaft
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Abstract
The utility model discloses a kind of hold angle helicoid hydraulic motors for extended reach directional well, the drill body is by valve body, anti-lost assembly, motor assembly, universal axle assembly and driving-shaft assembly are constituted, the inlet is arranged in the upper end of spool, the anti-lost assembly is internally provided with anti-lost nut and anti-lost screw rod, the bottom end of the anti-lost screw rod is connect with being welded and fixed for rotor upper end, it is provided with stator on the wall body of the motor assembly, the bottom end of the rotor is fixedly connected by universal joint with the upper end of central shaft, the bottom end of the central shaft is fixedly connected with the upper end of output shaft, the centre position of the output shaft end is provided with circular hole, the outer end of the nut and output shaft is connected by screw thread engagement rotation, the output the tip of the axis is provided with pressing plate.The utility model is provided with pressing plate, nut and circular hole in output the tip of the axis, and drill bit can be arranged in circular hole and fastened again with nut, device more bit change is greatly facilitated.
Description
Technical field
The utility model is related to a kind of drilling tool, specially a kind of hold angle helicoid hydraulic motors for extended reach directional well.
Background technology
Helicoid hydraulic motor is one kind using drilling fluid as power, liquid pressure energy is switched to the positive displacement well dynamic of mechanical energy
Drilling tool.Enter motor when the mud that slush pump pumps out flows through by-passing valve, forms certain pressure difference in the import and export of motor, push away
Turn is rotated around the axis of stator, and rotating speed and torque are passed to drill bit by universal shaft and transmission shaft, is bored to realize
Well operations, but the drill bit installation of drilling tool now is typically all directly to be fixedly connected using screw thread engagement, using this installation
Mode is susceptible to the phenomenon that drill bit is fallen, and influences the normal development of duration.
Therefore, it is necessary to design a kind of solving problems for the hold angle helicoid hydraulic motor of extended reach directional well.
Utility model content
It is above-mentioned to solve the purpose of this utility model is to provide a kind of hold angle helicoid hydraulic motor for extended reach directional well
The problem of being proposed in background technology.
To achieve the above object, the utility model provides the following technical solutions：A kind of hold angle for extended reach directional well
Helicoid hydraulic motor, including spool, valve body, anti-lost assembly, motor assembly, stator, universal axle assembly, inlet, drill body, liquid outlet,
Anti-lost nut, anti-lost screw rod, rotor, central shaft, driving-shaft assembly, output shaft, nut, circular hole, screw thread, plug, tooth head and pressure
Plate, the drill body are made of valve body, anti-lost assembly, motor assembly, universal axle assembly and driving-shaft assembly, and the level of drill body is cut
Face shape is circle, and the drill body is set gradually from top to bottom as valve body, anti-lost assembly, motor assembly, universal axle assembly and biography
Moving axis assembly, and valve body is made of spool, inlet and liquid outlet, the inlet is arranged in the upper end of spool, and liquid outlet
It is arranged in the left and right sides of spool, the anti-lost assembly is internally provided with anti-lost nut and anti-lost screw rod, and anti-lost nut is pacified
Mounted in the upper end of anti-lost screw rod, the bottom end of the anti-lost screw rod is connect with being welded and fixed for rotor upper end, and rotor is arranged in horse
Up to the inside of assembly, it is provided with stator on the wall body of the motor assembly, and is provided with certain gap between stator and rotor,
The bottom end of the rotor is fixedly connected by universal joint with the upper end of central shaft, and central shaft is arranged in universal axle assembly
Portion, the bottom end of the central shaft are fixedly connected with the upper end of output shaft, and output shaft is arranged in the inside of driving-shaft assembly, described
The centre position of output shaft end is provided with circular hole, and the end on the outside of output shaft is provided with plug, the nut and output shaft
Outer end connected by screw thread engagement rotation, and be threaded on the outer end of output shaft, the output the tip of the axis is provided with pressure
Plate, and head with teeth is set on the inner wall of pressing plate.
Further, the valve body is arranged in the top of drill body, and the lowermost end in drill body is arranged in driving-shaft assembly.
Further, the rotor is arranged between anti-lost screw rod and central shaft.
Further, the horizontal cross sectional geometry of the anti-lost nut and anti-lost screw rod is rectangle, and anti-lost nut is cut
Face diameter is more than the diameter of section of anti-lost screw rod.
Further, the pressing plate of the output shaft bottom end setting is symmetrical about output axis of spindle.
Further, the diameter of the circular hole is slightly larger than the diameter of drill bit.
Compared with prior art, the utility model has the beneficial effects that：Output the tip of the axis be provided with pressing plate, nut and
Drill bit can be arranged in circular hole and be fastened again with nut, greatly facilitate device more bit change, and in pressing plate by circular hole
Tooth head is set on inner wall and increases the friction with drilling rod, opposite to be directly connected to using nut, the present apparatus has higher fastness
Can, it also prevents occurring the phenomenon that drill bit is fallen in the process of work, reduces the probability of damage of device, be conducive to improve work
Process has higher practical performance.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model output shaft bottom end；
Fig. 3 is the structural schematic diagram of the anti-lost assembly of the utility model；
In reference numeral：1, spool；2, valve body；3, anti-lost assembly；4, motor assembly；5, stator；6, universal axle assembly；7、
Inlet；8, drill body；9, liquid outlet；10, anti-lost nut；11, anti-lost screw rod；12, rotor；13, central shaft；14, transmission shaft is total
At；15, output shaft；16, nut；17, circular hole；18, screw thread；19, plug；20, tooth head；21, pressing plate.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of hold angle screw rod for extended reach directional well
Drilling tool, including spool 1, valve body 2, anti-lost assembly 3, motor assembly 4, stator 5, universal axle assembly 6, inlet 7, drill body 8, go out liquid
Mouth 9, anti-lost nut 10, anti-lost screw rod 11, rotor 12, central shaft 13, driving-shaft assembly 14, output shaft 15, nut 16, circular hole
17, screw thread 18, plug 19, tooth head 20 and pressing plate 21, drill body 8 is by valve body 2, anti-lost assembly 3, motor assembly 4, universal axle assembly 6
It is constituted with driving-shaft assembly 14, and the horizontal cross sectional geometry of drill body is circle, drill body 8 sets gradually from top to bottom as valve body 2, prevents
Fall assembly 3, motor assembly 4, universal axle assembly 6 and driving-shaft assembly 14, and valve body 2 is by 9 groups of spool 1, inlet 7 and liquid outlet
At inlet 7 is arranged in the upper end of spool 1, and liquid outlet 9 is arranged in the left and right sides of spool 1, and the inside of anti-lost assembly 3 is set
It is equipped with anti-lost nut 10 and anti-lost screw rod 11, and anti-lost nut 10 is mounted on the upper end of anti-lost screw rod 11, the bottom of anti-lost screw rod 11
End is connect with being welded and fixed for 12 upper end of rotor, and rotor 12 is arranged on the inside of motor assembly 4, the wall body of motor assembly 4
It is provided with stator 5, and is provided with certain gap between stator 5 and rotor 12, the bottom end of rotor 12 passes through universal joint and center
The upper end of axis 13 is fixedly connected, and central shaft 13 is arranged in the inside of universal axle assembly 6, bottom end and the output shaft 15 of central shaft 13
Upper end be fixedly connected, and output shaft 15 is arranged in the inside of driving-shaft assembly 14, and the centre position of 15 end of output shaft is arranged
There is circular hole 17, and the end in 15 outside of output shaft is provided with plug 19, nut 16 and the outer end of output shaft 15 are nibbled by screw thread 18
Rotation connection to be closed, and is threaded 18 on the outer end of output shaft 15, the end of output shaft 15 is provided with pressing plate 21, and pressing plate 21
Head 20 with teeth is set on inner wall.
Further, valve body 2 is arranged in the top of drill body 8, and the lowermost end in drill body 8 is arranged in driving-shaft assembly 14.
Further, rotor 12 is arranged between anti-lost screw rod 11 and central shaft 13.
Further, the horizontal cross sectional geometry of anti-lost nut 10 and anti-lost screw rod 11 is rectangle, and anti-lost nut 10
Diameter of section is more than the diameter of section of anti-lost screw rod 11, realizes anti-lost function.
Further, the pressing plate 21 of 15 bottom end of output shaft setting is symmetrical about the center line of output shaft 15 so that stress is more
It is uniform.
Further, the diameter of circular hole 17 is slightly larger than the diameter of drill bit, easy for installation.
Operation principle：Spool 1 slides in the body 2 under pressure, and the movement of spool 1 changes the flow direction of liquid,
So that liquid outlet 9 has bypass and closes two states：Rise, tripping operation during, the through-hole patent of valve pocket and valve body 2 and,
Liquid outlet 9 is in bypass state, and mud in drill string is made to enter annular space around motor；When mud flow rate and pressure reach standard setting
When value, spool moves down, and closes liquid outlet 9, and mud flows through motor assembly 4 at this time, and pressure energy at mechanical energy, universal shaft is total
Torque and rotating speed that motor generates are passed into driving-shaft assembly 14 at 6, drill bit rotation is finally driven, realizes drilling well, exporting
The end of axis 15 is provided with pressing plate 21, nut 16 and circular hole 17, and drill bit can be arranged in circular hole 17 and carried out tightly with nut 16 again
Gu greatly facilitating device more bit change, and setting tooth head 20 increases the friction with drilling rod on the inner wall of pressing plate 21.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of hold angle helicoid hydraulic motor for extended reach directional well, including spool (1), valve body (2), anti-lost assembly (3), motor
Assembly (4), stator (5), universal axle assembly (6), inlet (7), drill body (8), liquid outlet (9), anti-lost nut (10), anti-lost spiral shell
Bar (11), rotor (12), central shaft (13), driving-shaft assembly (14), output shaft (15), nut (16), circular hole (17), screw thread
(18), plug (19), tooth head (20) and pressing plate (21), it is characterised in that：The drill body (8) by valve body (2), anti-lost assembly (3),
Motor assembly (4), universal axle assembly (6) and driving-shaft assembly (14) are constituted, and the horizontal cross sectional geometry of drill body is circle, described
Drill body (8) is set gradually from top to bottom as valve body (2), anti-lost assembly (3), motor assembly (4), universal axle assembly (6) and transmission
Axle assembly (14), and valve body (2) is made of spool (1), inlet (7) and liquid outlet (9), the inlet (7) is arranged in valve
The upper end of core (1), and liquid outlet (9) is arranged in the left and right sides of spool (1), being internally provided with for the anti-lost assembly (3) is anti-
Fall nut (10) and anti-lost screw rod (11), and anti-lost nut (10) is mounted on the upper end of anti-lost screw rod (11), the anti-lost screw rod
(11) bottom end is connect with being welded and fixed for rotor (12) upper end, and rotor (12) setting is in the inside of motor assembly (4), described
It is provided with stator (5) on the wall body of motor assembly (4), and certain gap is provided between stator (5) and rotor (12), it is described
The bottom end of rotor (12) is fixedly connected by universal joint with the upper end of central shaft (13), and central shaft (13) setting is total in universal shaft
At the inside of (6), the bottom end of the central shaft (13) is fixedly connected with the upper end of output shaft (15), and output shaft (15) setting exists
The centre position of the inside of driving-shaft assembly (14), output shaft (15) end is provided with circular hole (17), and output shaft (15)
The end in outside is provided with plug (19), and the nut (16) and the outer end of output shaft (15) are connected by screw thread (18) engagement rotation
It connects, and is threaded (18) on the outer end of output shaft (15), the end of the output shaft (15) is provided with pressing plate (21), and pressing plate
(21) head with teeth (20) is set on inner wall.
2. a kind of hold angle helicoid hydraulic motor for extended reach directional well according to claim 1, it is characterised in that：The valve
Body (2) setting is in the top of drill body (8), and driving-shaft assembly (14) setting is in the lowermost end of drill body (8).
3. a kind of hold angle helicoid hydraulic motor for extended reach directional well according to claim 1, it is characterised in that：Described turn
Sub (12) are arranged between anti-lost screw rod (11) and central shaft (13).
4. a kind of hold angle helicoid hydraulic motor for extended reach directional well according to claim 1, it is characterised in that：It is described anti-
The horizontal cross sectional geometry for falling nut (10) and anti-lost screw rod (11) is rectangle, and the diameter of section of anti-lost nut (10) is more than anti-
Fall the diameter of section of screw rod (11).
5. a kind of hold angle helicoid hydraulic motor for extended reach directional well according to claim 1, it is characterised in that：It is described defeated
The pressing plate (21) of shaft (15) bottom end setting is symmetrical about the center line of output shaft (15).
6. a kind of hold angle helicoid hydraulic motor for extended reach directional well according to claim 1, it is characterised in that：The circle
The diameter in hole (17) is slightly larger than the diameter of drill bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721679941.8U CN207829799U (en) | 2017-12-06 | 2017-12-06 | A kind of hold angle helicoid hydraulic motor for extended reach directional well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721679941.8U CN207829799U (en) | 2017-12-06 | 2017-12-06 | A kind of hold angle helicoid hydraulic motor for extended reach directional well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207829799U true CN207829799U (en) | 2018-09-07 |
Family
ID=63385779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721679941.8U Expired - Fee Related CN207829799U (en) | 2017-12-06 | 2017-12-06 | A kind of hold angle helicoid hydraulic motor for extended reach directional well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207829799U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946261A (en) * | 2020-08-25 | 2020-11-17 | 西安石油大学 | Adjustable directional drilling device for unconventional reservoir horizontal well |
| CN113669010A (en) * | 2021-07-28 | 2021-11-19 | 淮安市井神钻采机具有限公司 | High-rotating-speed and high-torque screw drill |
-
2017
- 2017-12-06 CN CN201721679941.8U patent/CN207829799U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946261A (en) * | 2020-08-25 | 2020-11-17 | 西安石油大学 | Adjustable directional drilling device for unconventional reservoir horizontal well |
| CN111946261B (en) * | 2020-08-25 | 2022-02-15 | 西安石油大学 | Adjustable directional drilling device for unconventional reservoir horizontal well |
| CN113669010A (en) * | 2021-07-28 | 2021-11-19 | 淮安市井神钻采机具有限公司 | High-rotating-speed and high-torque screw drill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20191206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |