CN109973592A - A kind of compact type large power pressure break planetary reduction gear - Google Patents

A kind of compact type large power pressure break planetary reduction gear Download PDF

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Publication number
CN109973592A
CN109973592A CN201910375777.9A CN201910375777A CN109973592A CN 109973592 A CN109973592 A CN 109973592A CN 201910375777 A CN201910375777 A CN 201910375777A CN 109973592 A CN109973592 A CN 109973592A
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CN
China
Prior art keywords
gear
planetary
driven
ring
cabinet
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.)
Pending
Application number
CN201910375777.9A
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Chinese (zh)
Inventor
汪军
张志宏
秦磊
李福利
丁英晖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Research Institute of Mechanical Engineering Co Ltd
Original Assignee
Zhengzhou Research Institute of Mechanical Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhengzhou Research Institute of Mechanical Engineering Co Ltd filed Critical Zhengzhou Research Institute of Mechanical Engineering Co Ltd
Priority to CN201910375777.9A priority Critical patent/CN109973592A/en
Publication of CN109973592A publication Critical patent/CN109973592A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H1/00Toothed gearings for conveying rotary motion
    • F16H1/28Toothed gearings for conveying rotary motion with gears having orbital motion
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/04Features relating to lubrication or cooling or heating
    • F16H57/0456Lubrication by injection; Injection nozzles or tubes therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/04Features relating to lubrication or cooling or heating
    • F16H57/048Type of gearings to be lubricated, cooled or heated
    • F16H57/0482Gearings with gears having orbital motion
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/08General details of gearing of gearings with members having orbital motion

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)
  • General Details Of Gearings (AREA)

Abstract

A kind of compact type large power pressure break planetary reduction gear, it includes cabinet and lubricating arrangement, and by bearing support, input shaft and the parallel stage transmission successively driven by input shaft, planetary stage are driven, export spline housing on cabinet;The parallel stage transmission uses large helix angle Combined herringbone gear structure;Planetary stage transmission uses large helix angle large pressure angle herringbone toothing, including sun gear, planetary gear, planet wheel spindle, ring gear, planet carrier;The ring gear is separate structure, and the left and right ring gear by being arranged in parallel, oppositely oriented forms, and is fixed together by bolt and staging pack pin with left, middle cabinet;The planetary gear is fixed on the planet carrier by bearing and planet wheel spindle;The planet carrier and sun gear are floating structure;Sun gear and planetary gear positioned at the same side is oppositely oriented, and the same side planetary gear is identical as ring gear rotation direction;Sun gear is combined by spline with Driven hub;Output spline housing is combined with planet carrier spline.

Description

A kind of compact type large power pressure break planetary reduction gear
Technical field
The present invention relates to a kind of big function for having outer dimension and weight demands that can be widely applied in various mechanical equipments Rate reduction gearbox more particularly to a kind of compact type large power pressure for being applicable to light-weighted high power vehicular oil fracturing equipment Split planetary reduction gear.
Background technique
Common low-speed heave-load reduction gearbox, is commonly used in fixed equipment and skid mounted equipment, to the mobility of equipment entirety It is of less demanding, and be in the design the validity and stability that guarantee equipment, usually using thicker Board material for box and higher Gear safety coefficient does not need the lightweight requirements of excessive consideration equipment during designing and manufacturing.But coalcutter, pressure break are set It is standby to wait large-scale mobile unit due to consideration that mobility, is proposed requirements at the higher level to space, weight, reliability etc..
With China's oil gas well depth and development difficulty be continuously increased and the increasingly reinforcing of fracturing technology, pressure break dress The standby effect in oil gas well development is more and more prominent, and massive hydraulic fracturing equipment and construction operation integrate and have become the following oil gas One of the major measure of well raising well yield.And core component of the main driving planetary reduction gear as pressure break pump truck, directly close It is the vehicle performance of pressure break pump truck.How high power density is solved, high reliability planetary gearing speed reducer designs and manufactures Technique Pinch technology guarantees the high performance index of pressure break planetary reduction gear, promotes the competitiveness of product in market, is product from now on The main flow direction of exploitation, light-weight design manufacturing technology will also become the emphasis of mechanical equipment light-weight design, be bigger from now on The research and development of power pressure break planetary reduction gear lay the foundation.
Summary of the invention
The purpose of the present invention be exactly the shortcoming being directed in the presence of the above-mentioned prior art and provide it is a kind of be suitable for it is each Kind has the mechanical equipment of outer dimension and weight demands compact type large power pressure break planetary reduction gear.
The purpose of the present invention is what is realized by following technique measures:
Compact type large power pressure break planetary reduction gear of the invention includes cabinet and lubricating arrangement, through bearing support on cabinet Input shaft and the parallel stage transmission successively driven by input shaft, planetary stage transmission, output spline housing;The parallel stage Transmission uses large helix angle Combined herringbone gear structure, it includes driving gear and driven gear, the driving gear be by Pass through being arranged in parallel of connector and input shaft Joint, the combination gear ring that oppositely oriented left and right active outer gear ring is constituted, institute Stating driven gear is by by being arranged in parallel of connector and Driven hub Joint, oppositely oriented left and right driven external tooth The combination gear ring constituted is enclosed, the Driven hub passes through bearing support on cabinet, and is located at driving gear and driven gear The same side outer gear ring it is oppositely oriented;The planetary stage transmission uses large helix angle large pressure angle herringbone toothing, including the sun Wheel, planetary gear, planet wheel spindle, ring gear, planet carrier;The ring gear is separate structure, by being arranged in parallel, oppositely oriented Left and right ring gear composition, and be fixed together by bolt and staging pack pin with left, middle cabinet;The planetary gear passes through axis It holds and is fixed on the planet carrier with planet wheel spindle;The planet carrier and sun gear are floating structure;The sun positioned at the same side Wheel is oppositely oriented with planetary gear, and the same side planetary gear is identical as ring gear rotation direction;Planetary gear number is more than or equal to three;Sun gear It is combined by spline with Driven hub;Output spline housing is combined with planet carrier spline.
Heretofore described cabinet is welding structure, including left box body, middle cabinet and case lid;The lubricating arrangement passes through oil Road is respectively led at each bearing and gear engagement position position.
Form the left and right driven external tooth of the spacing and composition driven gear between the left and right active outer gear ring of driving gear Spacing between circle is 3-5mm.
Beneficial effects of the present invention are as follows:
Structure of the invention is particularly suitable for outer dimension and the important large power gearbox required.Parallel stage transmission uses Large helix angle Combined herringbone gear structure, is coupled using high-strength bolt, is reduced intermediate undercut size, is effectively reduced deceleration Device outer dimension and weight increase practical contact and use the facewidth;Planetary stage transmission is passed using large helix angle large pressure angle double helical tooth Dynamic, bearing capacity is high.Using high parameters gear pair design and manufacturing technologies such as shot peening strengthening, accurate repairing type, lightweights, power is improved Density.It is zero that double helical tooth transmission gear is axial simultaneously with joint efforts, improves shaft strength situation, increases bearing service life.
Retarder drive mechanism of the present invention effectively raises power density while reducing outer dimension, solves open country Small shape, light weight, the powerful key technology of the outer equipment for needing mobility, and the bigger light weight effect of power is brighter It is aobvious.
Detailed description of the invention
Fig. 1 is compact type large power pressure break planetary reduction gear main view of the present invention.
Fig. 2 is compact type large power pressure break planetary reduction gear main view outline drawing of the present invention.
Serial number in FIG. 1 to FIG. 2: 1 input shaft, 2 bearings, 3 high-strength bolts, 4 locking nuts, 5 right active external tooths Circle, 6 left active outer gear rings, 7 case lids, 8 bearings, 9 sun gears, 10 splines, 11 Driven hubs, 12 right driven external tooths It encloses, 13 left driven outer gear rings, cabinet in 14,15 staging pack pins, 16 planet carriers, 17 splines, 18 output gear sets, 19 planets Wheel, 20 bearings, 21 planet wheel spindles, 22 left box bodies, 23 bolts, 24 left inside gear rings, 25 by ring gear, 26 positions of engagement, 27 lubricating arrangements.
Specific embodiment
The present invention is described in further details with reference to embodiments (attached drawing):
As shown in Figure 1, 2, compact type large power pressure break planetary reduction gear of the invention includes cabinet and lubricating arrangement 27, passes through axis It holds 2 and is supported on input shaft 1 and the parallel stage transmission successively driven by input shaft 1, planetary stage transmission, output flower on cabinet Key set 18;The parallel stage transmission uses large helix angle Combined herringbone gear structure, it includes driving gear and driven tooth Wheel, the driving gear are by being arranged in parallel, outside oppositely oriented left and right active by connector and 1 Joint of input shaft The combination gear ring that gear ring 5,6 is constituted, the driven gear are parallel the setting by passing through connector and 11 Joint of Driven hub It sets, the combination gear ring that oppositely oriented left and right driven outer gear ring 12,13 is constituted, the Driven hub 11 is supported by bearing 8 On cabinet, and it is located at the oppositely oriented of driving gear and driven gear the same side outer gear ring;The planetary stage transmission is using big Helical angle large pressure angle herringbone toothing, including sun gear 9, planetary gear 19, planet wheel spindle 21, ring gear, planet carrier 16;It is described Ring gear is separate structure, and the left and right ring gear 24,25 by being arranged in parallel, oppositely oriented forms, and passes through bolt 23 and ladder Combination pin 15 is fixed together with left, middle cabinet 22,14;The planetary gear 19 is expert at by bearing 20 and the fixation of planet wheel spindle 21 In carrier 16;The planet carrier 16 and sun gear 9 are floating structure;Sun gear 9 and planetary gear 19 positioned at the same side revolve To on the contrary, the same side planetary gear 19 is identical as ring gear 24,25 rotation directions;19 numbers of planetary gear are more than or equal to three;Sun gear 9 is logical Spline 10 is crossed to combine with Driven hub 11;Output spline housing 18 is combined with planet carrier spline 17.
Heretofore described cabinet is welding structure, including left box body 22, middle cabinet 14 and case lid 7.
Heretofore described lubricating arrangement 27 is respectively led at each bearing and gear engagement position position by oil duct.More Body is said: lubricating arrangement 27 shares seven oil sites, the intracorporal bearing 2,8,20 of lubrication box and gear engagement position 26;Due to planet It takes turns number and is more than or equal to three, therefore planet wheel bearing 20 arranges two lubrication oil spout positions, parallel stage transmission linear velocity is higher, It causes temperature rise excessively high to prevent from stirring oil, uses low level oil extraction herein, while four spring bearings 2,8 and the position of engagement 26 give spray Oil lubrication, planetary stage transmission speed is lower, and using the lubricating system for stirring oil lubrication and oil jet lubrication and combining, high-order oil extraction is protected Certain oil mass is stayed in card storage, only to 20 oil jet lubrication of bearing, guarantees service life.
Form the left and right driven outer of spacing between the left and right active outer gear ring 5,6 of driving gear and composition driven gear Spacing between gear ring 12,13 is 3-5mm.

Claims (4)

1. a kind of compact type large power pressure break planetary reduction gear, it is characterised in that: it includes cabinet and lubricating arrangement (27), is passed through Bearing (2) is supported on input shaft on cabinet (1) and the parallel stage transmission successively driven by input shaft (1), planetary stage biography Dynamic, output spline housing (18);The parallel stage transmission uses large helix angle Combined herringbone gear structure, it includes driving tooth Wheel and driven gear, the driving gear are by by being arranged in parallel of connector and input shaft (1) Joint, oppositely oriented The combination gear ring that left and right active outer gear ring (5,6) is constituted, the driven gear are by by connector and Driven hub (11) The combination gear ring that being arranged in parallel of Joint, oppositely oriented left and right driven outer gear ring (12,13) are constituted, the driven wheel wheel Hub (11) is supported on cabinet by bearing (8), and is located at the oppositely oriented of driving gear and driven gear the same side outer gear ring; The planetary stage transmission uses large helix angle large pressure angle herringbone toothing, including sun gear (9), planetary gear (19), planetary gear Axis (21), ring gear, planet carrier (16);The ring gear is separate structure, the left and right internal tooth by being arranged in parallel, oppositely oriented (24,25) composition is enclosed, and is fixed together by bolt (23) and staging pack pin (15) with left, middle cabinet (22,14);It is described Planetary gear (19) is fixed on planet carrier (16) by bearing (20) and planet wheel spindle (21);The planet carrier (16) and sun gear It (9) is floating structure;Sun gear (9) and planetary gear (19) positioned at the same side is oppositely oriented, the same side planetary gear (19) It is identical as ring gear (24,25) rotation direction;Planetary gear (19) number is more than or equal to three;Sun gear (9) by spline (10) with from Driving wheel wheel hub (11) combines;Output spline housing (18) is combined with planet carrier spline (17).
2. compact type large power pressure break planetary reduction gear according to claim 1, it is characterised in that: the cabinet is welding Structure, including left box body (22), middle cabinet (14) and case lid (7).
3. compact type large power pressure break planetary reduction gear according to claim 1, it is characterised in that: the lubricating arrangement 27 It is respectively led at each bearing and gear engagement position position by oil duct.
4. compact type large power pressure break planetary reduction gear according to claim 1, it is characterised in that: form driving gear Between between spacing between left and right active outer gear ring (5,6) and the left and right driven outer gear ring (12,13) of composition driven gear Away from being 3-5mm.
CN201910375777.9A 2019-05-07 2019-05-07 A kind of compact type large power pressure break planetary reduction gear Pending CN109973592A (en)

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CN201910375777.9A CN109973592A (en) 2019-05-07 2019-05-07 A kind of compact type large power pressure break planetary reduction gear

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Application Number Priority Date Filing Date Title
CN201910375777.9A CN109973592A (en) 2019-05-07 2019-05-07 A kind of compact type large power pressure break planetary reduction gear

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110485984A (en) * 2019-09-20 2019-11-22 烟台杰瑞石油装备技术有限公司 A kind of turbine fracturing unit that semi-mounted is vehicle-mounted

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2830786Y (en) * 2005-10-19 2006-10-25 重庆齿轮箱有限责任公司 Vertical cone-parallel shaft-planetary 3-stage driving reducer
CN103486203A (en) * 2013-10-23 2014-01-01 中国船舶重工集团公司第七�三研究所 End-connection type ordinary gear train transmission mechanism for power branching
CN203926622U (en) * 2014-05-22 2014-11-05 陕西航信机械设备制造有限公司 A kind of herringbone gear planetary reducer
CN204985553U (en) * 2015-08-20 2016-01-20 郑州机械研究所 Herringbone tooth planetary reducer
CN106763614A (en) * 2016-12-16 2017-05-31 湖南南方宇航高精传动有限公司 A kind of multistage compact high-speed gear box with hydraulic clutch
CN210050261U (en) * 2019-05-07 2020-02-11 郑州机械研究所有限公司 Compact type high-power fracturing planetary reducer

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2830786Y (en) * 2005-10-19 2006-10-25 重庆齿轮箱有限责任公司 Vertical cone-parallel shaft-planetary 3-stage driving reducer
CN103486203A (en) * 2013-10-23 2014-01-01 中国船舶重工集团公司第七�三研究所 End-connection type ordinary gear train transmission mechanism for power branching
CN203926622U (en) * 2014-05-22 2014-11-05 陕西航信机械设备制造有限公司 A kind of herringbone gear planetary reducer
CN204985553U (en) * 2015-08-20 2016-01-20 郑州机械研究所 Herringbone tooth planetary reducer
CN106763614A (en) * 2016-12-16 2017-05-31 湖南南方宇航高精传动有限公司 A kind of multistage compact high-speed gear box with hydraulic clutch
CN210050261U (en) * 2019-05-07 2020-02-11 郑州机械研究所有限公司 Compact type high-power fracturing planetary reducer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110485984A (en) * 2019-09-20 2019-11-22 烟台杰瑞石油装备技术有限公司 A kind of turbine fracturing unit that semi-mounted is vehicle-mounted

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