CN108825119A - A kind of Novel anti-falling helicoid hydraulic motor - Google Patents
A kind of Novel anti-falling helicoid hydraulic motor Download PDFInfo
- Publication number
- CN108825119A CN108825119A CN201811002910.8A CN201811002910A CN108825119A CN 108825119 A CN108825119 A CN 108825119A CN 201811002910 A CN201811002910 A CN 201811002910A CN 108825119 A CN108825119 A CN 108825119A
- Authority
- CN
- China
- Prior art keywords
- lost
- shell
- valve
- spool
- falling
- 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.)
- Withdrawn
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/03—Couplings; joints between drilling rod or pipe and drill motor or surface drive, e.g. between drilling rod and hammer
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/02—Fluid rotary type drives
Abstract
Disclosed by the invention is a kind of Novel anti-falling helicoid hydraulic motor,Including anti-lost shell,Anti-lost nut,Anti-lost connecting rod,The anti-lost shell left end is threaded with a by-passing valve,The by-passing valve includes valve body,Spool,Spring and sealing ring,Wherein body cavity is equipped with cylindrical channel,Wherein the cylindrical channel is connected with the by-pass port for being located at valve body-side,It further include cutting pin,Positioning sleeve,Steel ball,Wherein the spool is the interior cylindrical structure for setting channel,It is mounted in the intracorporal cylindrical channel of valve by spring,And cooperated by sealing ring and valve seal,Wherein spool also passes through cutting pin and is connected in positioning sleeve,And cooperated by sealing ring and valve seal,The outer diameter of the steel ball is greater than the internal diameter of the spool,Right end is threadedly coupled with the stator of screw motor,The anti-lost connecting rod left end is connect with anti-lost nut thread to be placed in anti-lost shell,The connection of the rotor threads of right end and screw motor is placed in outside anti-lost shell.
Description
Technical field
The present invention relates to helicoid hydraulic motor technical field more particularly to a kind of Novel anti-falling helicoid hydraulic motors.
Background technique
Helicoid hydraulic motor is the volumetric downhole power drilling tool for converting the pressure energy of liquid to the mechanical energy of rotation, in drilling well
It is used widely in production, helicoid hydraulic motor connects in the upper surface of drill bit, and high-pressure slurry generates torsion when flowing through the motor of helicoid hydraulic motor
Square, the rotor rotation of drive motor, to drive following bit operation.At present general helicoid hydraulic motor bear it is big turn round or after
When pump pressure increases suddenly, shell fracture easily occurs or shell is threadedly coupled part tripping phenomenon, and causes drill bit, transmission shaft, very
Fall well accident to what entire shell fell into shaft bottom.It, just must be to the portion for falling into shaft bottom in order to guarantee going on smoothly for drilling well work
The waste of human and material resources is salvaged and caused to part, increases drilling cost.
Helicoid hydraulic motor is widely used in oil drilling production, and by-pass valve of screwdrill is the component for forming helicoid hydraulic motor
One of, by-pass valve of screwdrill rise, lower brill when be in open position, so that mud in drill string is connected with annular space.In in mud
It contains a large amount of impurities, it is easy to it is deposited at the spring of by-pass valve of screwdrill, by-pass valve of screwdrill is caused to fail, entire spiral shell
Bar drilling tool failure seriously affects going on smoothly for production.
Summary of the invention
The present invention provides a kind of Novel anti-falling helicoid hydraulic motor, with to solve the problems mentioned in the above background technology, this
What the technical solution of invention was realized in：
A kind of Novel anti-falling helicoid hydraulic motor, including anti-lost shell, anti-lost nut, anti-lost connecting rod, the anti-lost shell left end
It is threaded with a by-passing valve, the by-passing valve includes valve body, spool, spring and sealing ring, and wherein body cavity is equipped with cylinder
Shape channel, wherein the cylindrical channel is connected with the by-pass port for being located at valve body-side, it further include cutting pin, positioning
Set, steel ball are mounted on the intracorporal cylindrical channel of valve by spring wherein the spool is the interior cylindrical structure for setting channel
It is interior, and cooperated by sealing ring and valve seal, wherein spool also passes through cutting pin and is connected in positioning sleeve, and passes through sealing
Circle cooperates with valve seal, and the outer diameter of the steel ball is greater than the internal diameter of the spool, anti-lost shell right end and screw motor
Stator be threadedly coupled, the anti-lost connecting rod left end is connect with anti-lost nut thread to be placed in anti-lost shell, anti-lost shell
The connection of the rotor threads of right end and screw motor is placed in outside anti-lost shell.
Preferably, the spring includes compression, resets two kinds of configuration states, other when wherein spring is in reset state
Port valve is in open position configuration state, and by-pass port is connected with spool.
Preferably, the anti-lost connecting rod two end is equipped with common coarse thread, and is equipped with escape in thread head.
Preferably, the anti-lost nut is hollow structure, and the conical surface that upper end is 45 degree, centre are hollow cylinder, lower end
For petal type structure.
Preferably, the anti-lost shell left end is equipped with inside tapered thread, right end is equipped with outer cone thread, and in right end centre bore
Surrounding is uniformly provided with 10 small through hole.
A kind of Novel anti-falling helicoid hydraulic motor of the present invention, has the advantage that：
It can prevent from causing drill bit, transmission shaft, universal shaft, even entire shell when bearing big torsion or rear pump pressure increases suddenly
Fall into shaft bottom falls well accident；
The connection screw thread of anti-lost shell is that taper thread can bear high torque without phenomenon of threading off；
10 through-holes being equipped with around anti-lost housing central bore and anti-lost nut lower end can be effective using petal type structure
Transport flow medium ensure that going on smoothly for drilling well work；
Meanwhile spring is in semi-closed state, the impurity in mud not will cause by-pass valve of screwdrill failure, make its with it is existing
Technology compares, and has that structure is simple, is easy to make, high reliability.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of the anti-lost shell of the present invention；
Fig. 3 is the structural schematic diagram of the anti-lost nut of the present invention；
Fig. 4 is the structural schematic diagram of by-passing valve of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of Novel anti-falling helicoid hydraulic motor, including anti-lost shell 10, anti-lost nut
20, anti-lost connecting rod 30,10 left end of anti-lost shell are threaded with a by-passing valve 40, and the by-passing valve 40 includes valve body
41, spool 42, spring 43 and sealing ring 44, wherein 41 inner cavity of valve body is equipped with cylindrical channel, wherein the cylindrical channel
It is connected with the by-pass port 411 for being located at 41 side of valve body, further includes cutting pin 45, positioning sleeve, steel ball 46, wherein the valve
Core 41 is the interior cylindrical structure for setting channel, is mounted in the cylindrical channel in valve body 41 by spring 43, and pass through sealing
Circle 44 cooperates with the sealing of valve body 41, and wherein spool 42 is also connected in positioning sleeve by cutting pin 45, and passes through sealing ring 44
It seals and cooperates with valve body 41, the outer diameter of the steel ball 46 is greater than the internal diameter of the spool 42, anti-lost 10 right end of shell and spiral shell
The stator of bar motor is threadedly coupled, and 30 left end of anti-lost connecting rod is threadedly coupled with anti-lost nut 20 is placed in anti-lost shell 10
Interior, the rotor threads connection of right end and screw motor is placed in outside anti-lost shell 10.
Herein, the spring 43 includes compression, resets two kinds of configuration states, and wherein spring 43 is in reset state
When, by-passing valve 40 is in open position configuration state, and by-pass port 411 is connected with spool 42.
As shown in Figure 1, Figure 2, Figure 3 shows, 30 both ends of anti-lost connecting rod are equipped with common coarse thread, and in thread head
Equipped with escape, the anti-lost nut 20 is hollow structure, and the conical surface that upper end is 45 degree, centre are hollow cylinder, lower end is
Petal type structure, 10 left end of anti-lost shell is equipped with inside tapered thread, right end is equipped with outer cone thread, and in right end centre bore week
It encloses and is uniformly provided with 10 small through hole.
When helicoid hydraulic motor is when bearing greatly to turn round or rear pump pressure acutely increases, it may occur that shell fracture or shell are threadedly coupled
Part tripping phenomenon, anti-lost nut 20 can be hung on the centre bore of anti-lost 10 lower end of shell and 10 small through hole on periphery at this time
Side, lower end is connected by the rotor of screw thread and screw motor, to avoid drill bit, transmission shaft, universal shaft or even entire shell
Fall into shaft bottom falls well accident.Ensure that going on smoothly for drilling well work, save the component for falling into shaft bottom is salvaged and
The waste for causing human and material resources, reduces drilling cost.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that：It still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and the present invention is each certainly to the side of this bout embodiment
Formula belongs to the spirit and scope of embodiment technical solution in protection scope of the present invention.
Claims (5)
1. a kind of Novel anti-falling helicoid hydraulic motor, which is characterized in that described including anti-lost shell, anti-lost nut, anti-lost connecting rod
Anti-lost shell left end is threaded with a by-passing valve, and the by-passing valve includes valve body, spool, spring and sealing ring, wherein valve body
Inner cavity is equipped with cylindrical channel, wherein the cylindrical channel is connected with the by-pass port for being located at valve body-side, it further include cutting
Disconnected pin, positioning sleeve, steel ball are mounted in valve body wherein the spool is the interior cylindrical structure for setting channel by spring
Cylindrical channel in, and cooperated by sealing ring and valve seal, wherein spool, which also passes through, cuts pin and be connected to positioning sleeve
It is interior, and cooperated by sealing ring and valve seal, the outer diameter of the steel ball is greater than the internal diameter of the spool, and anti-lost shell is right
End is threadedly coupled with the stator of screw motor, and the anti-lost connecting rod left end is connect with anti-lost nut thread is placed in anti-lost shell
Interior, the rotor threads connection of anti-lost shell right end and screw motor is placed in outside anti-lost shell.
2. a kind of Novel anti-falling helicoid hydraulic motor according to claim 1, it is characterised in that：The spring includes pressure
Contracting resets two kinds of configuration states, and when wherein spring is in reset state, by-passing valve is in open position configuration state, by-pass port and valve
Core is connected.
3. a kind of Novel anti-falling helicoid hydraulic motor according to claim 1, it is characterised in that：The anti-lost connecting rod two end
It is equipped with common coarse thread, and is equipped with escape in thread head.
4. a kind of Novel anti-falling helicoid hydraulic motor according to claim 1, it is characterised in that：The anti-lost nut is sky
Core structure, the conical surface that upper end is 45 degree, centre are hollow cylinder, lower end is petal type structure.
5. a kind of Novel anti-falling helicoid hydraulic motor according to claim 1, it is characterised in that：The anti-lost shell left end
It is equipped with outer cone thread, and is uniformly provided with 10 small through hole around right end centre bore equipped with inside tapered thread, right end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811002910.8A CN108825119A (en) | 2018-08-30 | 2018-08-30 | A kind of Novel anti-falling helicoid hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811002910.8A CN108825119A (en) | 2018-08-30 | 2018-08-30 | A kind of Novel anti-falling helicoid hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108825119A true CN108825119A (en) | 2018-11-16 |
Family
ID=64150708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811002910.8A Withdrawn CN108825119A (en) | 2018-08-30 | 2018-08-30 | A kind of Novel anti-falling helicoid hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108825119A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707324A (en) * | 2019-01-30 | 2019-05-03 | 天津德华石油装备制造有限公司 | A kind of helicoid hydraulic motor anti-lost motor and helicoid hydraulic motor |
| CN110284846A (en) * | 2019-07-23 | 2019-09-27 | 建湖县帅牛机械有限公司 | A kind of oil-well drilling equipment convenient for adjusting mud pressure |
-
2018
- 2018-08-30 CN CN201811002910.8A patent/CN108825119A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707324A (en) * | 2019-01-30 | 2019-05-03 | 天津德华石油装备制造有限公司 | A kind of helicoid hydraulic motor anti-lost motor and helicoid hydraulic motor |
| CN110284846A (en) * | 2019-07-23 | 2019-09-27 | 建湖县帅牛机械有限公司 | A kind of oil-well drilling equipment convenient for adjusting mud pressure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181116 |
|
| WW01 | Invention patent application withdrawn after publication |