CN105020343B - Pump power case is split in shale oil air pressure - Google Patents
Pump power case is split in shale oil air pressure Download PDFInfo
- Publication number
- CN105020343B CN105020343B CN201510429244.6A CN201510429244A CN105020343B CN 105020343 B CN105020343 B CN 105020343B CN 201510429244 A CN201510429244 A CN 201510429244A CN 105020343 B CN105020343 B CN 105020343B
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- China
- Prior art keywords
- tooth shaft
- gear
- tooth
- planetary gear
- planet carrier
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/2809—Toothed gearings for conveying rotary motion with gears having orbital motion with means for equalising the distribution of load on the planet-wheels
- F16H1/2827—Toothed gearings for conveying rotary motion with gears having orbital motion with means for equalising the distribution of load on the planet-wheels by allowing limited movement of the planet carrier, e.g. relative to its shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/40—Transmission of power
- F05B2260/403—Transmission of power through the shape of the drive components
- F05B2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The present invention relates to a kind of shale oil air pressures to split pump power case, by the parallel axes double helical gear transmission mechanism being connected with each other(1), planetary gear mechanism(2)And output mechanism(3)Composition;Parallel axes double helical gear transmission mechanism(1)Middle input tooth shaft(1‑6)With driven tooth shaft(1‑4)For herringbone gear;Planetary gear mechanism(2)Middle ring gear(2‑1)One end and casing(1‑8)It is connected, sun gear(2‑8)One end and driven tooth shaft(1‑4)It is connected;Planet carrier(2‑7)For bilateral harden structure, one side is processed as internal tooth;Output mechanism(3)Middle ring flange(3‑1)One end and ring gear(2‑1)It is connected, ring flange(3‑1)The other end is connected with pressure break pump case, output flange(3‑2)Torque output, output flange are connected to pressure break pump crankcase(3‑2)And planet carrier(2‑7)Between by connection tooth shaft(3‑3)It is connected.The headstock of the present invention bears more big load and impact, and transmission efficiency is high, compact-sized, light-weight, convenient for vehicle-mounted.
Description
Technical field
The present invention relates to headstocks, and in particular to pump power case is split in a kind of shale oil air pressure.
Background technology
Fracturing pump is the core equipment that equipment is split in shale oil air pressure, and at present, domestic and international fracturing pump is towards high-power, high pump
Pressure, huge discharge and efficient direction are developed.Fracturing pump headstock is the power transmission part of fracturing pump, it is necessary to bear bigger
Load and impact, existing parallel axes Helical gear Transmission structure and drive structure of gear worm have been unable to meet the development of fracturing pump
It needs.
The content of the invention
The purpose of the present invention is:A kind of shale oil air pressure is provided and splits pump power case, which bears more big load and punching
It hits, transmission efficiency is high, compact-sized, light-weight, convenient for vehicle-mounted.
The present invention technical solution be:The headstock is by parallel axes double helical gear transmission mechanism, Planetary Gear Transmission
Mechanism and output mechanism interconnection assemble;Wherein, the parallel axes double helical gear transmission mechanism includes No.1 bearing, gear
Circle, limiting plate, driven tooth shaft, No. two bearings, input tooth shaft, drive end bearing bracket, casing, before input tooth shaft is installed on by No. two bearings
In the babinet that end cap and casing are formed, input outside axis one end stretching babinet of tooth shaft and be connected with engine, driven tooth shaft passes through
No.1 bearing is installed in the babinet that drive end bearing bracket and casing are formed to be engaged with input tooth shaft, and driven tooth shaft endoporus is processed as interior flower
Key, spline one end are equipped with baffle ring and limiting plate;Wherein, it is fixed to include ring gear, planetary gear, No.1 for the planetary gear mechanism
It is installed on away from ring, No. three bearings, No. two distance collars, planet axis, planet carrier and sun gear, ring gear one end on casing, sun gear
One end is processed as external splines and is engaged with the internal spline of driven tooth shaft, and planet carrier is bilateral harden structure, and one side is processed as internal tooth,
3~5 planet axis are uniformly installed on planet carrier, equipped with a planetary gear in each planet axis, planetary gear respectively with ring gear
It is engaged with sun gear, equipped with two No. three bearings between each planet axis and planetary gear, and passes through No.1 distance collar and No. two fixed
Away from ring axially position;Wherein, the output mechanism includes ring flange, output flange, connection tooth shaft, limiting bracket, sliding block, /V
Block and screw, ring flange one end are installed on ring gear, and the ring flange other end is connected with pressure break pump case, and output flange endoporus adds
Work is internal tooth, and the end face of flange of output flange is connected with the bent axle of fracturing pump, and connection tooth shaft both ends are processed as external tooth, link tooth shaft
One end and tooth engagement in planet carrier, the connection tooth shaft other end are installed on planet with tooth engagement in output flange, limiting bracket footing
On frame, limiting bracket inside top is equipped with limited block, and limiting bracket is connected by screw with the bent axle stent of fracturing pump, sliding block one
End is fixed on sun wheel end.
Wherein, the blank of the input tooth shaft and driven tooth shaft is by medium carbon steel Integral die-forged.
Wherein, the tooth form of the input tooth shaft and driven tooth shaft is no withdrawing groove profile double helical tooth.
Wherein, the tooth form of the input tooth shaft and driven tooth shaft is the double helical tooth with escape.
Wherein, the tooth form of the input tooth shaft and driven tooth shaft is dislocation double helical tooth.
Wherein, the housing of the ring gear and planetary gear mechanism is overall structure.
Wherein, the sun gear is connected with the connection mode of driven tooth shaft for floating spline.
Wherein, connected between the output flange and planet carrier using floating tooth.
Wherein, it is flexible connection, planet carrier slight fluctuation between the limiting bracket and bent axle stent.
Wherein, the distance between the limiting plate and limited block are more than the axial dimension and 2-3mm of sun gear and sliding block, with
Just sun gear axial floating.
Wherein, the planetary gear endoporus and No. three bearing outer rings are clearance fit, planetary gear endoporus and No. three bearing outer rings
Between be full of heavy oil film;When planet carrier because mismachining tolerance is excessive or stand under load is eccentric when, planetary gear center will be with planet axis center
Bias is generated, the oil film thickness between planetary gear endoporus and No. three bearing outer rings can change, reach and carry therewith.
The beneficial effects of the invention are as follows:1st, the headstock uses herringbone bear drive mechanism, bears load and the punching of bigger
It hits;2nd, the headstock uses planetary gear transmission mechanism, efficient, compact-sized, light-weight, convenient for vehicle-mounted;3rd, the headstock
Planetary gear mechanism using sun gear float, planet carrier slight fluctuation, planetary gear heavy oil film float structure, realize
The load of Gear Planet Transmission;4th, the output mechanism of the headstock is connected using floating tooth, improves the stationarity of torque transmission.
Description of the drawings
Fig. 1 is the appearance schematic diagram of the present invention.
Fig. 2 is the schematic cross-sectional view of the present invention.
In figure:1 parallel axes double helical gear transmission mechanism;2 planetary gear mechanisms;3 output mechanisms;1-1 No.1 bearings;
1-2 baffle rings;1-3 limiting plates;The driven tooth shafts of 1-4;No. bis- bearings of 1-5;1-6 inputs tooth shaft;1-7 drive end bearing brackets;1-8 casings;In 2-1
Gear ring;2-2 planetary gears;2-3 No.1 distance collars;No. tri- bearings of 2-4;No. bis- distance collars of 2-5;2-6 planet axis;2-7 planet carriers;2-
8 sun gears;3-1 ring flanges;3-2 output flanges;3-3 links tooth shaft;3-4 limiting brackets;3-5 sliding blocks;3-6 limited blocks;3-7 spiral shells
Nail.
Specific embodiment
As shown in Figure 1 and Figure 2, the headstock is by parallel axes double helical gear transmission mechanism 1, planetary gear mechanism 2 and defeated
Go out the interconnection of mechanism 3 to assemble;Wherein, the parallel axes double helical gear transmission mechanism 1 includes No.1 bearing 1-1, baffle ring
1-2, limiting plate 1-3, driven tooth shaft 1-4, No. two bearing 1-5, input tooth shaft 1-6, drive end bearing bracket 1-7 and casing 1-8, input tooth shaft
1-6 is installed on by No. two bearing 1-5 in the babinet that drive end bearing bracket 1-7 and casing 1-8 are formed, axis one end of input tooth shaft 1-6
It stretches out outside babinet and is connected with engine, driven tooth shaft 1-4 is installed on drive end bearing bracket 1-7 and casing 1-8 institutes group by No.1 bearing 1-1
Into babinet in engage with input tooth shaft 1-6, driven tooth shaft 1-4 endoporus is processed as internal spline, spline one end be equipped with baffle ring 1-2 with
Limiting plate 1-3;Wherein, the planetary gear mechanism 2 includes ring gear 2-1, planetary gear 2-2, No.1 distance collar 2-3, three
Number bearing 2-4, No. two distance collar 2-5, planet axis 2-6, planet carrier 2-7 and sun gear 2-8, ring gear 2-1 one end are installed on machine
On shell 1-8, sun gear 2-8 one end is processed as external splines and is engaged with the internal spline of driven tooth shaft 1-4, and planet carrier 2-7 is bilateral
Harden structure, one side are processed as internal tooth, are uniformly equipped on planet carrier 2-7 on 3~5 planet axis 2-6, each planet axis 2-6
Equipped with a planetary gear 2-2, planetary gear 2-2 is engaged respectively with ring gear 2-1 and sun gear 2-8, each planet axis 2-6 and planet
Two No. three bearing 2-4 are housed between wheel 2-2 and pass through No.1 distance collar 2-3 and No. two distance collar 2-5 axially positions;Wherein,
The output mechanism 3 includes ring flange 3-1, output flange 3-2, connection tooth shaft 3-3, limiting bracket 3-4, sliding block 3-5, limited block
3-6 and screw 3-7, ring flange 3-1 one end are installed on ring gear 2-1, and the ring flange 3-1 other ends are connected with pressure break pump case,
Output flange 3-2 endoporus is processed as internal tooth, and the end face of flange of output flange 3-2 is connected with the bent axle of fracturing pump, connection tooth shaft 3-3
Both ends are processed as external tooth, connection tooth shaft 3-3 one end and tooth engagement in planet carrier 2-7, link the tooth shaft 3-3 other ends and output flange
Tooth engagement in 3-2, limiting bracket 3-4 footing are installed on planet carrier 2-7, and limiting bracket 3-4 inside tops are equipped with limited block 3-
6, limiting bracket 3-4 are connected by screw 3-7 with the bent axle stent of fracturing pump, and sliding block 3-5 is fixed on one end sun gear 2-8 ends
On.
Wherein, the blank of the input tooth shaft 1-6 and driven tooth shaft 1-4 is by medium carbon steel Integral die-forged.
Wherein, the tooth form of the input tooth shaft 1-6 and driven tooth shaft 1-4 is no withdrawing groove profile double helical tooth.
Wherein, the tooth form of the input tooth shaft 1-6 and driven tooth shaft 1-4 is the double helical tooth with escape.
Wherein, the tooth form of the input tooth shaft 1-6 and driven tooth shaft 1-4 is dislocation double helical tooth.
Wherein, the housing of the ring gear 2-1 and planetary gear mechanism 2 is overall structure.
Wherein, the sun gear 2-8 is connected with the connection mode of driven tooth shaft 1-4 for floating spline.
Wherein, connected between the output flange 3-2 and planet carrier 2-7 using floating tooth.
Wherein, it is flexible connection, planet carrier 2-7 slight fluctuations between the limiting bracket 3-4 and pressure break pump crankcase stent.
Wherein, the distance between the limiting plate 1-3 and limited block 3-6 are more than the axial ruler of sun gear 2-8 and sliding block 3-5
Very little and 2-3mm, so as to sun gear 2-8 axial floatings.
Wherein, the planetary gear 2-2 endoporus and No. three bearing 2-4 outer rings are clearance fit, planetary gear 2-2 endoporus and No. three
Heavy oil film is full of between bearing 2-4 outer rings;When planet carrier 2-7 is because of mismachining tolerance or stand under load bias, planetary gear 2-2 centers will be with
Planet axis 2-6 centers generate bias, and the oil film thickness between planetary gear 2-2 endoporus and No. three bearing 2-4 outer rings can change therewith,
Reach and carry.
Claims (4)
1. pump power case is split in shale oil air pressure, it is characterised in that:The headstock is by parallel axes double helical gear transmission mechanism(1), row
Star gear drive(2)And output mechanism(3)Interconnection assembles;The parallel axes double helical gear transmission mechanism(1)
Including No.1 bearing(1-1), baffle ring(1-2), limiting plate(1-3), driven tooth shaft(1-4), No. two bearings(1-5), input tooth shaft
(1-6), drive end bearing bracket(1-7)And casing(1-8), input tooth shaft(1-6)Pass through No. two bearings(1-5)It is installed on drive end bearing bracket(1-7)
And casing(1-8)In the babinet formed, tooth shaft is inputted(1-6)Axis one end is stretched out outside babinet to be connected with engine, driven tooth shaft
(1-4)Pass through No.1 bearing(1-1)It is installed on drive end bearing bracket(1-7)And casing(1-8)With inputting tooth shaft in the babinet formed(1-
6)Engagement, driven tooth shaft(1-4)Endoporus is processed as internal spline, and spline one end is equipped with baffle ring(1-2)And limiting plate(1-3);It is described
Planetary gear mechanism(2)Including ring gear(2-1), planetary gear(2-2), No.1 distance collar(2-3), No. three bearings(2-4)、
No. two distance collars(2-5), planet axis(2-6), planet carrier(2-7)And sun gear(2-8), ring gear(2-1)One end is installed on machine
Shell(1-8)On, sun gear(2-8)One end is processed as external splines and driven tooth shaft(1-4)Internal spline be engaged, planet carrier(2-
7)For bilateral harden structure, one side is processed as internal tooth, planet carrier(2-7)On 3~5 planet axis are uniformly installed(2-6), each
Planet axis(2-6)It is upper that a planetary gear is housed(2-2), planetary gear(2-2)Respectively with ring gear(2-1)And sun gear(2-8)It nibbles
It closes, each planet axis(2-6)And planetary gear(2-2)Between be equipped with two No. three bearings(2-4), and pass through No.1 distance collar(2-
3)With No. two distance collars(2-5)Axially position;The output mechanism(3)Including ring flange(3-1), output flange(3-2), connection
Tooth shaft(3-3), limiting bracket(3-4), sliding block(3-5), limited block(3-6)And screw(3-7), ring flange(3-1)It installs one end
In ring gear(2-1)On, ring flange(3-1)The other end is connected with pressure break pump case, output flange(3-2)In endoporus is processed as
Tooth, output flange(3-2)End face of flange is connected with the bent axle of fracturing pump, links tooth shaft(3-3)Both ends are processed as external tooth, link tooth
Axis(3-3)One end and planet carrier(2-7)Interior tooth engagement links tooth shaft(3-3)The other end and output flange(3-2)Interior tooth engagement,
Limiting bracket(3-4)Footing is installed on planet carrier(2-7)On, limiting bracket(3-4)Inside top is equipped with limited block(3-6), limit
Position stent(3-4)Pass through screw(3-7)It is connected with the bent axle stent of fracturing pump, sliding block(3-5)Sun gear is fixed in one end(2-8)
On end.
2. pump power case is split in shale oil air pressure according to claim 1, it is characterised in that:The input tooth shaft(1-6)With
Driven tooth shaft(1-4)Blank by medium carbon steel Integral die-forged;The input tooth shaft(1-6)With driven tooth shaft(1-4)Tooth form
For no withdrawing groove profile double helical tooth.
3. pump power case is split in shale oil air pressure according to claim 1, it is characterised in that:The input tooth shaft(1-6)With
Driven tooth shaft(1-4)Tooth form for dislocation double helical tooth.
4. pump power case is split in shale oil air pressure according to claim 1, it is characterised in that:The sun gear(2-8)With from
Moving teeth axis(1-4)Connection mode be floating spline connection;The output flange(3-2)With planet carrier(2-7)Between using floating
Moving teeth connects;The limiting bracket(3-4)It is flexible connection, planet carrier between pressure break pump crankcase stent(2-7)Slight fluctuation;
The limiting plate(1-3)With limited block(3-6)The distance between be more than sun gear(2-8)And sliding block(3-5)Axial dimension and
2-3mm, so as to sun gear(2-8)Axial floating;The planetary gear(2-2)Endoporus and No. three bearings(2-4)Match somebody with somebody for gap outer ring
It closes, planetary gear(2-2)Endoporus and No. three bearings(2-4)Heavy oil film is full of between outer ring;Planet carrier(2-7)Because of mismachining tolerance or by
When carrying eccentric, planetary gear(2-2)It center will be with planet axis(2-6)Center generates eccentric, planetary gear(2-2)Endoporus and No. three axis
It holds(2-4)Oil film thickness between outer ring can change therewith.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510429244.6A CN105020343B (en) | 2015-07-21 | 2015-07-21 | Pump power case is split in shale oil air pressure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510429244.6A CN105020343B (en) | 2015-07-21 | 2015-07-21 | Pump power case is split in shale oil air pressure |
Publications (2)
Publication Number | Publication Date |
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CN105020343A CN105020343A (en) | 2015-11-04 |
CN105020343B true CN105020343B (en) | 2018-05-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201510429244.6A Active CN105020343B (en) | 2015-07-21 | 2015-07-21 | Pump power case is split in shale oil air pressure |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105587846A (en) * | 2015-12-30 | 2016-05-18 | 株洲中航动科南方燃气轮机成套制造安装有限公司 | Speed reducing device and fracturing equipment |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4590299B2 (en) * | 2005-04-27 | 2010-12-01 | 日本電産シンポ株式会社 | Carrier support structure for planetary gear reducer |
CN201166093Y (en) * | 2008-03-25 | 2008-12-17 | 江苏驰翔精密齿轮有限公司 | Speed increasing gear box of wind power generation device |
US8348803B2 (en) * | 2008-04-17 | 2013-01-08 | Kawasaki Jukogyo Kabushiki Kaisha | Planetary reduction gear apparatus |
CN201531565U (en) * | 2009-04-02 | 2010-07-21 | 刘兴邦 | Speed reduction device for planetary gear |
CN103453116B (en) * | 2013-07-17 | 2016-06-29 | 江苏昊克传动科技股份有限公司 | A kind of shale gas fracturing pump gear-box |
CN204852189U (en) * | 2015-07-21 | 2015-12-09 | 江苏省金象传动设备股份有限公司 | Shale oil atmospheric pressure splits pump headstock |
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