CN204663419U - A kind of oil-filled sealing helicoid hydraulic motor output shaft - Google Patents
A kind of oil-filled sealing helicoid hydraulic motor output shaft Download PDFInfo
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- CN204663419U CN204663419U CN201520243129.5U CN201520243129U CN204663419U CN 204663419 U CN204663419 U CN 204663419U CN 201520243129 U CN201520243129 U CN 201520243129U CN 204663419 U CN204663419 U CN 204663419U
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- bearing
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- Sliding-Contact Bearings (AREA)
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Abstract
The utility model discloses a kind of oil-filled sealing helicoid hydraulic motor output shaft, described shell specifically comprises first group of section, second group of section and the 3rd group of section, also comprise one and be arranged on described main shaft locking nut topmost, described first group of section, second group of section and the 3rd group of section will be fastened on described main shaft from upper by described locking nut successively, the center superposition of described first group of section, second group of section and the 3rd group of section and described main shaft.Adopt lubrication oil to carry out lubrication and cooling bearing group, mud all flows to drill bit through inner hole of spindle, does not need mud to shunt, the mud amount flowing to drill bit place can be made to maximize, output shaft is provided with centralizer, when ensureing that helicoid hydraulic motor uses, occupy well center, be convenient to drilling operation, reduce energy consumption; Due to good Cooling and Lubricator medium, can reduce the wearing and tearing of bearing group, ensure the application life of bearing group, promote output shaft whole efficiency and application life, in addition, housing adopts split type assembling form, and easy for installation, repair demolition is flexible.
Description
Technical field
The utility model relates to petroleum drilling and mining mud motor technical field, particularly relates to a kind of oil-filled sealing helicoid hydraulic motor output shaft.
Technical background
In recent years, along with the demand of petroleum resources is increasing, China accelerates and develops in drilling technology, has promoted development and the application of down-hole rod tube instrument, also more and more higher to the requirement of new drilling and technology, has greatly promoted the development of helicoid hydraulic motor.Chinese invention patent " underground high-efficient helicoid hydraulic motor ", the applying date: 2014-03-31, publication date: 2014.06.25, its power transmission shaft shell is structure as a whole, the bearing in lubrication and cooling power transmission shaft is carried out in shunting by slurry fluid, structure is relatively simple although it is so, process and assemble is easy, compress the annular groove outer wall bottom water cap being also provided with and forming current limliting annular space, the solid phase sand grains preventing larger particles in mud can be stoped to enter metal rolling bearing group, but there is solid-phase component all the time in slurry liquid, add the wearing and tearing of bearing and the loss of power without doubt, the direct application life affecting bearing group, simultaneously, due to the shunting of mud, to the hydrophthalmia pressure drop of drilling tool, the pressure of the drill ability to bear is poor, affect the life-span of entire drill tool, in addition, the guarantee of the concentricity of the technical scheme middle (center) bearing of this invention is the effect by alignment bearing, but when the solid-phase component in slurry liquid enters in bearing cavity, alignment bearing more or less can be worn, affect the precision of alignment bearing, and then the coaxial precision of output shaft upper bearing (metal) group can be had influence on, effectively cannot ensure precision when power transmission shaft works and reliability.Therefore, a kind of wearing and tearing of output shaft upper bearing (metal) group and energy-conservation employing oil-filled sealing screw rod output shaft of effectively preventing is provided to have very important significance.
Utility model content
The utility model carries out the technical problem that bearing wear is serious, power consumption is large, drill tool life is short in lubrication and cooling power transmission shaft in order to the shunting by slurry fluid solving prior art existence, thering is provided a kind of effectively prevents output shaft upper bearing (metal) group from wearing and tearing and energy-conservation employing oil-filled sealing helicoid hydraulic motor output shaft, the housing parts of this output shaft adopts separable assembled form uniquely, dismounting and easy to maintenance.
For achieving the above object, the technical scheme that the utility model adopts is as follows:
A kind of oil-filled sealing helicoid hydraulic motor output shaft, it comprises shell and main shaft, it is characterized in that: described shell specifically comprises first group of section, second group of section and the 3rd group of section, also comprise one and be arranged on described main shaft locking nut topmost, described first group of section, second group of section and the 3rd group of section will be fastened on described main shaft from upper by described locking nut successively, the center superposition of described first group of section, second group of section and the 3rd group of section and described main shaft.
Further, described first group of section specifically comprises the first shell, with the sliding sleeve be arranged in described first shell, described sliding sleeve topmost radial direction and described main shaft has gap, be provided with adjustment pad bottom described gap, described adjustment pad top is positioned and compression it by clamp nut; The inside and outside jacket wall of described sliding sleeve cover body radial direction has the first groove and the second groove, described first groove comprises the first inside groove and the first water jacket, described second groove comprises the second inside groove and the second water jacket, the first sealing ring is provided with in described first inside groove and the first water jacket, be provided with the first slipper seal cover in described second inside groove and the second water jacket, described first sealing ring and described first slipper seal cover coordinate the sealing realized between the first shell and described main shaft jointly.
Further, described second group of section specifically comprises second housing, be arranged on the pressure-bearing nut in described second housing, upper journal bearing, rolling bearing group, locking nut and lower radial bearing from top to bottom, described pressure-bearing nut and described locking nut coordinate the location and pretension that realize journal bearing, rolling bearing group and lower radial bearing jointly, and are arranged on the venthole on described second housing.
Further, described 3rd group of section specifically comprises the 3rd shell, with the oil filler point be symmetricly set in described 3rd shell radial direction, with the second slipper seal cover be arranged in described 3rd shell and the second sealing ring, described second slipper seal cover and the second sealing ring interval are arranged, described second slipper seal cover coordinates with the second sealing ring the sealing realized between the 3rd shell and described main shaft jointly.
Further, described output shaft also comprises a centralizer, and described centralizer is arranged on described second housing.
Further, described sliding sleeve limits the rotary motion of sliding sleeve by the location being arranged on the holding screw on described first shell, and described holding screw is 120 ° of circumferential arrangement.
Further, described oil filler point is provided with filter screen.
Beneficial effect
Oil-filled sealing helicoid hydraulic motor output shaft of the present utility model, beneficial effect is:
First sealing ring and the first slipper seal are overlapped and are overlapped the sealing that can fully ensure between the first shell and main shaft containing inside and outside two.
Pressure-bearing nut, upper journal bearing, rolling bearing group, locking nut, lower radial bearing is provided with in second housing, pressure-bearing nut and locking nut not only ensure that location and the pretension of each bearing, in addition the concentricity of each bearing can also be ensured, the radial load that in rolling bearing group, each bearing is subject to can be made even, improve bearing in the intensity of carrying out in orientation, well straightening and guide digging operation and life-span.
Centralizer can be good at occuping well center when ensureing that helicoid hydraulic motor uses, and is convenient to drilling operation.
Oil filler point is provided with filter screen, ensure that the cleannes injecting lubrication oil.
Adopt lubrication oil to carry out lubrication and cooling bearing group, mud all flows to drill bit through inner hole of spindle, does not need mud to shunt, the mud amount flowing to drill bit place can be made to maximize, output shaft is provided with centralizer, when ensureing that helicoid hydraulic motor uses, occupy well center, be convenient to drilling operation, reduce energy consumption; Simultaneously due to good Cooling and Lubricator medium, can reduce the wearing and tearing of bearing group, ensure the application life of bearing group, promote output shaft whole efficiency and application life, in addition, housing adopts split type assembling form, and easy for installation, repair demolition is flexible.
Accompanying drawing explanation
Fig. 1 is the utility model output shaft structural representation;
Fig. 2 is sliding sleeve schematic diagram in Fig. 1;
In figure: 1-main shaft; 2-locking nut; 3-clamp nut; 4-sliding sleeve; 41-first inside groove; 42-first water jacket; 43-second inside groove; 44-second water jacket; 5-holding screw; 6-first sealing ring; 7-first shell; 8-first slipper seal cover; 9-second housing; 10-gas outlet; 11-pressure-bearing nut; The upper journal bearing of 12-; 13-centralizer; 14-rolling bearing group; 15-locking nut; 16-lower radial bearing; 17-second slipper seal cover; 18-second sealing ring; 19-the 3rd shell; 20-oil filler point; 21-adjusts pad.
Detailed description of the invention
As shown in Figure 1-2, oil-filled sealing helicoid hydraulic motor output shaft of the present utility model, it comprises shell and main shaft 1, described shell specifically comprises first group of section, second group of section and the 3rd group of section, also comprise one and be arranged on described main shaft 1 locking nut 2 topmost, described locking nut 2 will from upper successively by described first group of section, second group of section and the 3rd group of section are fastened on described main shaft 1, described first group of section, the center superposition of second group of section and the 3rd group of section and described main shaft 1, described first group of section specifically comprises the first shell 7, with the sliding sleeve 4 be arranged in described first shell 7, described sliding sleeve topmost radial direction and described main shaft has gap, adjustment pad 21 is provided with bottom described gap, described adjustment pad 21 top is positioned and compression it by clamp nut 3, and then ensure the location of sliding sleeve 4 and main shaft 1 and fastening, the inside and outside jacket wall that described sliding sleeve 4 overlaps body radial direction has the first groove and the second groove, described first groove comprises the first inside groove 41 and the first water jacket 42, described second groove comprises the second inside groove 43 and the second water jacket 44, the first sealing ring 6 is provided with in described first inside groove 41 and the first water jacket 42, the first slipper seal cover 8 is provided with in described second inside groove 43 and the second water jacket 44, described first sealing ring 6 and described second slipper seal cover 8 coordinate the sealing realized between the first shell 7 and described main shaft 1 jointly, first sealing ring and the first slipper seal are overlapped and are overlapped the sealing that can fully ensure between the first shell and main shaft containing inside and outside two.
Described second group of section specifically comprises second housing 9, be arranged on the pressure-bearing nut 11 in described second housing 9 from top to bottom, upper journal bearing 12, rolling bearing group 14, locking nut 15 and lower radial bearing 16, described pressure-bearing nut 11 and described locking nut 15 jointly coordinate and realize journal bearing 12, the location of rolling bearing group 14 and lower radial bearing 16 and pretension, with the venthole 10 be arranged on described second housing, set out the gas of to discharge when pore is convenient to oiling in seal chamber, ensure the balance of cavity internal pressure, and in second housing, be provided with pressure-bearing nut, upper journal bearing, rolling bearing group, locking nut, lower radial bearing, pressure-bearing nut and locking nut not only ensure that location and the pretension of each bearing, in addition the concentricity of each bearing can also be ensured, the radial load that in rolling bearing group, each bearing is subject to can be made even, improve bearing and carry out orientation, intensity in well straightening and guide digging operation and life-span.
Described 3rd group of section specifically comprises the 3rd shell 19, with the oil filler point 20 be symmetricly set in described 3rd shell 19 radial direction, with the second slipper seal cover 17 and the second sealing ring 18 be arranged in described 3rd shell 19, described second slipper seal cover 17 and the second sealing ring 18 interval are arranged, described second slipper seal cover 17 coordinates the sealing realized between the 3rd shell 19 and described main shaft 1 jointly with the second sealing ring 18
Described output shaft also comprises a centralizer 13, and described centralizer 13 is arranged on described second housing 9, occupy well center, be convenient to drilling operation when centralizer ensures that helicoid hydraulic motor uses.
Described sliding sleeve is fixed on described first shell 7 by holding screw, to limit its motion that rotates in a circumferential direction, can only move up and down along main shaft, ensure the balance of seal chamber inside and external pressure, realize the sealing of inside cavity fluid, holding screw is 120 ° of circumferential arrangement, and each screw uniform force is reliably steady when sliding sleeve is worked.
Described oil filler point 20 is provided with filter screen, ensure that the cleannes injecting lubrication oil.
The maximum difference of drilling tool output shaft of the present utility model and traditional main shaft is, during work, the cooling of the utility model output shaft and lubricant medium are lubrication oil, and traditional be slurry liquid, because containing solid-phase component in slurry liquid, wearing and tearing can be produced to bearing group also to lose by increasing power simultaneously, reduce the application life of output shaft middle (center) bearing group, the utility model adopts lubrication oil to carry out lubrication and cooling bearing group, mud all flows to drill bit through inner hole of spindle, mud is not needed to shunt, the mud amount flowing to drill bit place can be made to maximize, output shaft is provided with centralizer, well center is occupy when ensureing that helicoid hydraulic motor uses, be convenient to drilling operation, reduce energy consumption, simultaneously due to good Cooling and Lubricator medium, can reduce the wearing and tearing of bearing group, ensure the application life of bearing group, promote output shaft whole efficiency and application life, in addition, housing adopts split type assembling form, and easy for installation, repair demolition is flexible.
Protection domain of the present utility model is not limited thereto, and is anyly familiar with those skilled in the art in the technical scope that the utility model discloses, the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, the protection domain that protection domain of the present utility model should define with claim is as the criterion.
Claims (7)
1. an oil-filled sealing helicoid hydraulic motor output shaft, it comprises shell and main shaft, it is characterized in that: described shell specifically comprises first group of section, second group of section and the 3rd group of section, also comprise one and be arranged on described main shaft locking nut topmost, described first group of section, second group of section and the 3rd group of section will be fastened on described main shaft from upper by described locking nut successively, the center superposition of described first group of section, second group of section and the 3rd group of section and described main shaft.
2. a kind of oil-filled sealing helicoid hydraulic motor output shaft as claimed in claim 1, it is characterized in that: described first group of section specifically comprises the first shell, with the sliding sleeve be arranged in described first shell, described sliding sleeve topmost radial direction and described main shaft has gap, be provided with adjustment pad bottom described gap, described adjustment pad top is positioned and compression it by clamp nut; The inside and outside jacket wall of described sliding sleeve cover body radial direction opens the first groove and the second groove, described first groove comprises the first inside groove and the first water jacket, described second groove comprises the second inside groove and the second water jacket, the first sealing ring is provided with in described first inside groove and the first water jacket, be provided with the first slipper seal cover in described second inside groove and the second water jacket, described first sealing ring and described first slipper seal cover coordinate the sealing realized between the first shell and described main shaft jointly.
3. a kind of oil-filled sealing helicoid hydraulic motor output shaft as claimed in claim 1, it is characterized in that: described second group of section specifically comprises second housing, be arranged on the pressure-bearing nut in described second housing, upper journal bearing, rolling bearing group, locking nut and lower radial bearing from top to bottom, described pressure-bearing nut and described locking nut coordinate the location and pretension that realize journal bearing, rolling bearing group and lower radial bearing jointly, and are symmetricly set on the venthole on described second housing.
4. a kind of oil-filled sealing helicoid hydraulic motor output shaft as claimed in claim 1, it is characterized in that: described 3rd group of section specifically comprises the 3rd shell, with the oil filler point be symmetricly set in described 3rd shell radial direction, with the second slipper seal cover be arranged in described 3rd shell and the second sealing ring, described second slipper seal cover and the second sealing ring interval are arranged, described second slipper seal cover coordinates with the second sealing ring the sealing realized between the 3rd shell and described main shaft jointly.
5. a kind of oil-filled sealing helicoid hydraulic motor output shaft as claimed in claim 2, it is characterized in that: described sliding sleeve limits the rotary motion of sliding sleeve by the location being arranged on the holding screw on described first shell, described holding screw is 120 ° of circumferential arrangement.
6. a kind of oil-filled sealing helicoid hydraulic motor output shaft as claimed in claim 4, is characterized in that: described oil filler point is provided with filter screen.
7. a kind of oil-filled sealing helicoid hydraulic motor output shaft as claimed in claim 3, it is characterized in that: described output shaft also comprises a centralizer, described centralizer is arranged on described second housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520243129.5U CN204663419U (en) | 2015-04-21 | 2015-04-21 | A kind of oil-filled sealing helicoid hydraulic motor output shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520243129.5U CN204663419U (en) | 2015-04-21 | 2015-04-21 | A kind of oil-filled sealing helicoid hydraulic motor output shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204663419U true CN204663419U (en) | 2015-09-23 |
Family
ID=54133811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520243129.5U Expired - Fee Related CN204663419U (en) | 2015-04-21 | 2015-04-21 | A kind of oil-filled sealing helicoid hydraulic motor output shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204663419U (en) |
-
2015
- 2015-04-21 CN CN201520243129.5U patent/CN204663419U/en not_active Expired - Fee Related
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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: 20150923 |
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| CF01 | Termination of patent right due to non-payment of annual fee |