CN207278790U - Oil field planet wheel decelerator - Google Patents
Oil field planet wheel decelerator Download PDFInfo
- Publication number
- CN207278790U CN207278790U CN201720904646.1U CN201720904646U CN207278790U CN 207278790 U CN207278790 U CN 207278790U CN 201720904646 U CN201720904646 U CN 201720904646U CN 207278790 U CN207278790 U CN 207278790U
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- gear
- planetary gear
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- sun
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Abstract
The utility model provides a kind of oil field planet wheel decelerator, including by rotation ring gear, bidentate sun wheel shaft, preceding planetary gear train gear, planetary gear train gear afterwards, planet carrier, output shaft, rocking arm, clump weight, connecting rod, gear-box, preceding ring gear, ring gear afterwards, preceding sun gear, rear sun gear, planetary gear shaft, rear sun gear bearing, Oil Guide disk, base of beam pumping units, the main body for the utility model that belt pulley (or other shaft couplings) is formed, wherein described rotatable ring gear is the integral type suspension wheels formed by preceding ring gear and the rigid connection of rear ring gear, the bidentate sun wheel shaft is the integral structure formed by preceding sun gear and rear sun gear rigid connection, planet carrier center connects output shaft, Oil Guide disk is socketed with the output shaft.The oil field planet wheel decelerator of the utility model has great extend to be lifted than traditional special cylindricality gear reduction unit service life in oil field, and the security of operating and maintenance has also been greatly improved.
Description
Technical field
The utility model belongs to technical field of mechanical transmission, particularly a kind of oil field planet wheel decelerator.
Background technology
Retarder is a kind of common components of mechanical transmission fields, its performance often directly influences the energy of equipment entirety
Power, q＆r.The beam pumping unit widely used at present in oil field operation, the overwhelming majority are justified with three-level is filled with
Stud wheel retarder, service life be no more than 3 years, the guarantee period is only 1 year, annual maintenance cost no less than price 20%~
30%.
It is well known that the service life of gear reduction unit, and each moving component has direct relation in gear-box, turns in height
Under fast, large torque operating condition, axis, bearing and the gear of each moving component all subject huge load.Oil field it is more
Level cylinder gear speed reducer, since match power is larger (15KW~60KW), slows down higher (28: 1~300: 1), output shaft
On the moment of torsion that is born greatly (35KN~100KN), so powerful load acts directly on the gear of cylinder gear speed reducer
In case, pressure bigger that the gear teeth face of especially output shaft level-one is born, under so powerful pressure, tooth surface occurs
The mechanical damages such as local deformation, stripping, abrasion, serious influence gear life.Oil field cylinder gear speed reducer is caused to use the longevity
Order that short, frequency of maintenance is high, significantly increase the production cost in oil field.Therefore, be badly in need of a kind of service life it is long, it is non-maintaining or dimension
The low oil field of shield frequency solves above-mentioned technical problem with gear reduction unit.
Utility model content
In order to solve the above-mentioned technical problem, technical solution provided by the utility model is：A kind of planet wheel decelerator, including
Rotatable ring gear 1, bidentate sun wheel shaft 2, preceding planetary gear train gear 3, rear planetary gear train gear 4 in gear-box 10,
Planet carrier 5 and output shaft 6, the rotatable ring gear 1 are one to be rigidly connected by preceding ring gear 11 and rear ring gear 12
Body formula suspension wheels, the bidentate sun wheel shaft 2 are the integral type knots being rigidly connected by preceding sun gear 13 and rear sun gear 14
Structure, the preceding ring gear 11, preceding planetary gear train gear 3, preceding sun gear 13 form preceding planetary gear train, rear ring gear 12, rear planet
Planetary gear train after gear gear 4, rear sun gear 14 form；Preceding sun gear 13 passes through preceding planetary gear train gear 3 and preceding ring gear 11
It is sequentially connected, rear sun gear 14 is sequentially connected by rear planetary gear train gear 4 and rear ring gear 12；The planet carrier 5 and rear row
Star wheel series gear 4 connects, and 5 center of planet carrier connects output shaft 6, and Oil Guide disk 17 is also socketed with the output shaft 6.
Preferably, the Oil Guide disk 17 be arranged on gear-box 10 and output shaft 6 junction telescoping structure, institute
One annular oil cavity 22 of formation between output shaft 6 and Oil Guide disk 17 is stated, 20 He of Oil Guide disk V-groove is provided with the Oil Guide disk 17
Oil guiding hole 21, the oil guiding hole 21 is located in the Oil Guide disk V-groove 20, and is connected with the annular oil cavity 22.
Preferably, the preceding planetary gear train gear 3 and rear planetary gear train gear 4 all have planetary gear shaft 15, the row
Planetary gear shaft cavity 26 is provided with star gear shaft 15, the planetary gear shaft 15 is provided with and the row in the radial direction
The planetary gear shaft radial direction oil 27 that star gear shaft cavity 26 is connected.
Preferably, the output shaft 6 is also associated with rocking arm 7, and the tail end of the rocking arm 7 is connected with clump weight 8, the rocking arm
Connecting rod 9 is additionally provided with 7.
Preferably, the gear-box 10 is connected on base of beam pumping units 18, and the connecting rod 9 drags beam type oil pumping
Machine operation.
Preferably, the planetary gear of the preceding planetary gear train gear 3 and rear planetary gear train gear 4 is by 6 to 8 planetary gears
Axis 15 connects.
Relative to the prior art, the planet wheel decelerator provided by the utility model available for oil field operation have with
Lower advantageous effects：
Firstth, the service life of retarder can be greatly increased.Most of output loads when being loaded due to the retarder
All act on planet carrier, planetary gear shaft and output shaft, strength of gear is relatively small.So appropriate increasing planet carrier,
Planetary gear shaft, the design strength of output shaft, it is possible to greatly extend oil field and use the longevity with planet wheel decelerator pumping unit
Life.Being calculated through design, the service life of traditional cylinder gear speed reducer is 3 years, under equal use condition, the utility model
The service life of planet wheel decelerator pumping unit can reach 6~10 years.
Secondth, security is significantly improved.When such as having external force input from low speed output terminal, the planet wheel decelerator is not
It can be used as speed increaser, latching point reaches 12~16, and self-lock ability is extremely strong.Therefore, the oil field planet wheel decelerator without
Manual brake device need to be designed, if Double-gear sun wheel shaft it is unpowered input do not rotate in the case of, whole retarder and
Each moving component of beam pumping unit of control is all without voluntarily sliding.Therefore, which compares and passes
Security of the cylinder gear speed reducer when using and repairing of uniting is greatly improved.
3rd, to the lubrication convenience and high-efficiency of rotatable parts.The oil field planet wheel decelerator of the utility model is in order to use
With it is easy to maintenance, all using splash system lubrication.And in planetary gear train, due to design feature so that rear sun gear bearing and each
The lubrication of planetary gear bearing is more difficult.The especially installation site of rear sun gear bearing, when rear sun gear bearing is at a high speed
Centrifugal force caused by operating so that lubricating oil hardly enters Bearing inner and is lubricated.Therefore, the utility model is creatively
The design of Oil Guide disk is employed, can effectively strengthen the lubrication of bearing.
4th, the technical solution of the utility model is also the double acting power output shaft double link of traditional reducer of beam pumping unit
Structure is changed to the acting of single connecting rod structure output, simplifies structure, improves efficiency.
Brief description of the drawings
Fig. 1 is the structure diagram of oil field planet wheel decelerator provided by the utility model.
Fig. 2 is the dimensional structure diagram of oil field planet wheel decelerator provided by the utility model.
Fig. 3 is the structure diagram of the Oil Guide disk involved in the utility model.
Fig. 4 is planetary gear shaft internal structure and lubrication channel aufbauprinciple schematic diagram.
Description of reference numerals：
1- rotates ring gear, 2- bidentate sun wheel shafts, planetary gear train gear before 3-, planetary gear train gear after 4-, 5- planets
Frame, 6- output shafts, 7- rocking arms, 8- clump weights, 9- connecting rods, 10- gear-boxes, ring gear before 11-, ring gear after 12-, before 13- too
Sun wheel, 14- rear sun gears, 15- planetary gear shafts, 16- rear sun gear bearings, 17- Oil Guide disks, 18- beam pumping units bottom
Seat, 19- power input parts, 20- Oil Guide disk V-grooves, 21- oil guiding holes, 22- annular oil cavities, 23- output shaft radial direction oils, 24-
Output shaft axial direction oil duct, 25- extract threaded hole, 26- planetary gear shaft cavitys, 27- planetary gear shaft radial direction oils.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figs. 1-2, a kind of oil field planet wheel decelerator provided by the utility model, including in gear-box 10
Rotatable ring gear 1, bidentate sun wheel shaft 2, preceding planetary gear train gear 3, rear planetary gear train gear 4, planet carrier 5 and output shaft
6, the rotatable ring gear 1 is the integral type suspension wheels being rigidly connected by preceding ring gear 11 and rear ring gear 12, described
Bidentate sun wheel shaft 2 is the integral structure being rigidly connected by preceding sun gear 13 and rear sun gear 14, the preceding ring gear
11st, preceding planetary gear train gear 3, preceding sun gear 13 form preceding planetary gear train, rear ring gear 12, rear planetary gear train gear 4, the rear sun
Planetary gear train after the composition of wheel 14；Preceding sun gear 13 is sequentially connected by preceding planetary gear train gear 3 and preceding ring gear 11, rear sun gear
14 are sequentially connected by rear planetary gear train gear 4 and rear ring gear 12；The planet carrier 5 is connected with rear planetary gear train gear 4, institute
5 center of planet carrier connection output shaft 6 is stated, Oil Guide disk 17 is also socketed with the output shaft 6.
The preceding planetary gear train gear 3 and rear planetary gear train gear 4 all have planetary gear shaft 15, the preceding planetary gear train
The planetary gear of gear 3 and rear planetary gear train gear 4 is connected by 6 to 8 planetary gear shafts 15.
The oil field is installed on base of beam pumping units 18 with planet wheel decelerator assembly, the output of motor power (output) by
Power input part 19 is input in the planet wheel decelerator assembly by bidentate sun wheel shaft 2.
The power input part 19 is belt pulley or other shaft couplings；The output shaft 6 is also associated with rocking arm 7, described
The tail end of rocking arm 7 is connected with clump weight 8, and connecting rod 9 is additionally provided with the rocking arm 7；The connecting rod 9 drags beam pumping unit fortune
Change a job work.The double dynamical output of traditional beam pumping unit is not catered in the technical solution of the utility model and drives double link
Motor pattern, but a rocking arm 7 is directly driven by an output shaft 6, then drag whole beam pumping unit with a connecting rod 9
Work.
When the power of motor is passed to planetary gear train via power input part 19 by bidentate sun wheel shaft 2, due to can
Rotating ring gear 1 and the special construction of bidentate sun wheel shaft 2 so that front and rear planetary gear train forms different rotation speed operations, so that
Generate different speed differences, you can reach the retarder ratio of design.Acting is finally exported by output shaft 6 by planet carrier 5, is driven
Rocking arm 7, clump weight 8, connecting rod 9 drag beam pumping unit and work.
For convenient maintenance, all movement parts in the retarder all by splash system lubrication, due to
The limitation of its structure so that rear sun gear bearing 16, can be the lubricating oil being splashed on bearing in centrifugal force when running at high speed
Under the action of thrown away, cause lubricating oil to hardly enter and be lubricated inside rear sun gear bearing 16, for this reason, the utility model create
Oil Guide disk 17 is devised to the property made, the lubricating oil to splash in gear-box 10 can be collected a part in Oil Guide disk V-groove 20 by it
Face, and by being gathered in pressure caused by the lubricating oil of 10 certain liquid depth of Oil Guide disk V-groove 20 and gear-box, forcing will
Lubricating oil is pressed into annular oil cavity 22 and the inside of output shaft radial direction oil 23, and by output shaft axial direction oil duct 24, directly after lubrication
Inside sun gear bearing 16.
As shown in figure 3, the Oil Guide disk 17 is the telescopic knot for the junction for being arranged on gear-box 10 and output shaft 6
Structure, forms an annular oil cavity 22, Oil Guide disk V-type is provided with the Oil Guide disk 17 between the output shaft 6 and Oil Guide disk 17
Groove 20 and oil guiding hole 21, the oil guiding hole 21 is located in the Oil Guide disk V-groove 20, and is connected with the annular oil cavity 22
It is logical.
It is also as shown in Figure 3 accordingly, with respect to the lubrication of rear sun gear bearing 16：When the lubricating oil of splashing is gathered in cabinet design
Recess when, lubricating oil enters in Oil Guide disk V-groove 20, then by the oil guiding hole 21 of Oil Guide disk 17 enters output shaft 6 and Oil Guide
In the annular oil cavity 22 that disk 17 is formed.Although output shaft 6 is operating, and produces certain centrifugal force, due to Oil Guide disk V
The lubricating oil that the levels pressure of type groove 20 can make enters output shaft axial direction oil duct 24 simultaneously from the output shaft radial direction oil 23 of output shaft 6
Pass through 24 perfect lubrication rear sun gear bearing 16 of output shaft axial direction oil duct.
Although splash system lubrication can lubricate each planetary bearing, in order to strengthen its lubricant effect, spy will be each
Planetary gear shaft 15 is all manufactured into outer small interior big planetary gear shaft cavity 26, and the splash lubrication oil being collected into is passed through row
Star gear shaft radial direction oil 27 is strengthened lubricating each planetary gear bearing.
As shown in figure 4, planetary gear shaft cavity 26 is provided with the planetary gear shaft 15, the planetary gear shaft 15
The planetary gear shaft radial direction oil 27 being connected with the planetary gear shaft cavity 26 is provided with the radial direction.The planet tooth
There is an extraction threaded hole 25 in its end face of wheel shaft 15 to one end of larger space, there is the planet tooth more than core diameter of thread in threaded hole
Wheel shaft cavity 26, when the lubricating oil of splashing enters planetary gear shaft cavity 26, will pass through planetary gear shaft radial direction oil 27
Lubricate each planetary gear bearing.
Each gear of the planet wheel decelerator using under conditions of same modulus, can only by " input sun gear " into
Row strength check, and other strengths of gear teeth of gear train meet naturally.What this conclusion was said is：In the situation of certain input power
Under, no matter speed when output torque have it is much, the load that all gears are born in the planet wheel decelerator of oil field all with it is defeated
The sun gear moment of torsion entered on line shaft is same, and most of output loads during the retarder maximum load have all acted on planet
Frame, planetary gear shaft, on output shaft.
The above, is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (6)
1. a kind of oil field planet wheel decelerator, including rotatable ring gear (1), bidentate sun gear in gear-box (10)
Axis (2), preceding planetary gear train gear (3), rear planetary gear train gear (4), planet carrier (5) and output shaft (6), it is characterised in that：Institute
It is by preceding ring gear (11) and the integral type suspension wheels that form of rear ring gear (12) rigid connection, institute to state rotatable ring gear (1)
It is the integral structure formed by preceding sun gear (13) and rear sun gear (14) rigid connection to state bidentate sun wheel shaft (2), described
Planetary gear train before preceding ring gear (11), preceding planetary gear train gear (3), preceding sun gear (13) composition, rear ring gear (12), rear planet
Planetary gear train after gear gear (4), rear sun gear (14) composition；Preceding sun gear (13) by preceding planetary gear train gear (3) and before
Ring gear (11) is sequentially connected, and rear sun gear (14) is sequentially connected by rear planetary gear train gear (4) and rear ring gear (12)；Institute
State planet carrier (5) to be connected with rear planetary gear train gear (4), planet carrier (5) the center connection output shaft (6), in the output
Oil Guide disk (17) is also socketed with axis (6).
A kind of 2. oil field planet wheel decelerator according to claim 1, it is characterised in that：The Oil Guide disk (17) is to set
The telescoping structure of the junction in gear-box (10) and output shaft (6) is put, between the output shaft (6) and Oil Guide disk (17)
An annular oil cavity (22) is formed, Oil Guide disk V-groove (20) and oil guiding hole (21) are provided with the Oil Guide disk (17), it is described to lead
Oilhole (21) is located in the Oil Guide disk V-groove (20), and is connected with the annular oil cavity (22).
A kind of 3. oil field planet wheel decelerator according to claim 1, it is characterised in that：The preceding planetary gear train gear
(3) and rear planetary gear train gear (4) all has planetary gear shaft (15), and planetary gear is provided with the planetary gear shaft (15)
Axis cavity (26), being provided with the radial direction for the planetary gear shaft (15) are connected with the planetary gear shaft cavity (26)
Planetary gear shaft radial direction oil (27).
A kind of 4. oil field planet wheel decelerator according to claim 1, it is characterised in that：The output shaft (6) also connects
Rocking arm (7) is connected to, the tail end of the rocking arm (7) is connected with clump weight (8), connecting rod (9) is additionally provided with the rocking arm (7).
A kind of 5. oil field planet wheel decelerator according to claim 4, it is characterised in that：Gear-box (10) connection
On base of beam pumping units (18), the connecting rod (9) drags beam pumping unit operation.
A kind of 6. oil field planet wheel decelerator according to claim 3, it is characterised in that：The preceding planetary gear train gear
(3) and rear planetary gear train gear (4) planetary gear by 6 to 8 planetary gear shafts (15) connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720904646.1U CN207278790U (en) | 2017-07-25 | 2017-07-25 | Oil field planet wheel decelerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720904646.1U CN207278790U (en) | 2017-07-25 | 2017-07-25 | Oil field planet wheel decelerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207278790U true CN207278790U (en) | 2018-04-27 |
Family
ID=61986496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720904646.1U Active CN207278790U (en) | 2017-07-25 | 2017-07-25 | Oil field planet wheel decelerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207278790U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296707A (en) * | 2017-07-25 | 2019-02-01 | 闫桂珍 | Oil field planet wheel decelerator |
-
2017
- 2017-07-25 CN CN201720904646.1U patent/CN207278790U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296707A (en) * | 2017-07-25 | 2019-02-01 | 闫桂珍 | Oil field planet wheel decelerator |
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| GR01 | Patent grant |