CN107178585B - High-power hydraulic variable-speed transmission device - Google Patents

High-power hydraulic variable-speed transmission device Download PDF

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Publication number
CN107178585B
CN107178585B CN201710523130.7A CN201710523130A CN107178585B CN 107178585 B CN107178585 B CN 107178585B CN 201710523130 A CN201710523130 A CN 201710523130A CN 107178585 B CN107178585 B CN 107178585B
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CN
China
Prior art keywords
gear
brake
clutch
input shaft
hydraulic variable
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Application number
CN201710523130.7A
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Chinese (zh)
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CN107178585A (en
Inventor
邱文刚
刘翼
罗静
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.)
Guizhou Winstar Hydraulic Transmission Machinery Co Ltd
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Guizhou Winstar Hydraulic Transmission Machinery Co Ltd
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Priority to CN201710523130.7A priority Critical patent/CN107178585B/en
Publication of CN107178585A publication Critical patent/CN107178585A/en
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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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/62—Gearings having three or more central gears
    • F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/46—Gearings having only two central gears, connected by orbital gears
    • 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
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
    • 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
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
    • F16H57/0441—Arrangements of pumps
    • 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
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0467—Elements of gearings to be lubricated, cooled or heated
    • F16H57/0469—Bearings or seals
    • F16H57/0471—Bearing
    • 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
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0467—Elements of gearings to be lubricated, cooled or heated
    • F16H57/0473—Friction devices, e.g. clutches or brakes
    • 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
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0467—Elements of gearings to be lubricated, cooled or heated
    • F16H57/0479—Gears or bearings on planet carriers
    • 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
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/048—Type of gearings to be lubricated, cooled or heated
    • F16H57/0482—Gearings with gears having orbital motion
    • F16H57/0484—Gearings with gears having orbital motion with variable gear ratio or for reversing rotary motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/91—Electric vehicles
    • 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/0021—Transmissions for multiple ratios specially adapted for electric vehicles
    • 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0039—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising three forward speeds
    • 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two sets of orbital gears
    • 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2038—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with three engaging means

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)

Abstract

The invention discloses a high-power hydraulic variable-speed transmission device, which comprises a power takeoff, an oil pump and a planetary transmission, wherein the power takeoff is connected with the oil pump; the planetary transmission is internally provided with two planetary row assemblies, two brakes and a clutch, all parts are connected through splines or gears, and the clutch and the two brakes are respectively controlled differently, so that the gear requirements of 3 forward gears and 1 neutral gear can be realized, and the gear number can be increased or reduced by increasing or reducing the number of planetary rows and the brakes.

Description

High-power hydraulic variable-speed transmission device
Technical Field
The invention relates to a transmission device of petroleum equipment using an electric motor as power in an oil field, which is suitable for oil field operation equipment such as workover rigs, fracturing trucks, skid-mounted pumps and the like.
Background
Because the national requirements for environmental protection are higher and higher, the punishment force for environmental pollution is larger and larger, the power device of each oilfield operation equipment is changed from a diesel engine to a motor so as to adapt to the requirements for environmental protection, and the cost can be saved by using the motor under the condition of the same power. Therefore, the oilfield needs a power shifting mechanism matched with an electric motor to realize stable gear shifting, no power interruption during gear shifting, convenient and flexible operation and easy realization of automatic control.
Disclosure of Invention
The invention aims to provide a high-power hydraulic variable-speed transmission device which adopts an integrated scheme of an oil pump, a clutch, a brake and a planet row, so as to solve the defects that the existing mechanical gear shifting transmission mechanism is interrupted in power, unstable in gear shifting, troublesome in operation, high in labor intensity, difficult to realize automatic control and the like.
The invention is realized by the following technical scheme:
the high-power hydraulic variable-speed transmission device comprises an input shaft, an output shaft and a power takeoff, wherein the power takeoff is connected with the input shaft and is connected with an oil pump;
the input shaft is connected with the clutch;
the clutch is connected with a first gear ring, and the first gear ring is also connected with a first brake;
the first gear ring is matched with the first planet carrier, the first sun gear and the first planet gears;
the first planet carrier is connected with a second gear ring, the second gear ring is matched with the second planet carrier, the second sun gear and the second planet gear, and the second gear ring is also connected with a second brake;
the input shaft is connected with the first sun gear and the second sun gear respectively;
the output shaft is connected with the second planet carrier.
The power takeoff is connected with the input shaft through a spline.
The clutch is connected with the input shaft through a spline.
The output shaft is connected with the second planet carrier through a spline, and the second sun gear is connected with the input shaft through a spline.
The first sun gear is connected with the input shaft through a spline.
The second gear ring is connected with the first planet carrier through a spline.
The first gear ring is respectively connected with the clutch and the first brake through teeth.
The second ring gear is connected to a second brake Z by teeth.
The high-power hydraulic variable-speed transmission device mainly comprises an oil pump, a power takeoff, a clutch, a first gear ring, a first brake, a second gear ring, a second brake, a second planet wheel, a second planet carrier, a second sun wheel, a first planet carrier, a first sun wheel, a first planet wheel, an output shaft and an input shaft.
The power takeoff in the high-power hydraulic variable-speed transmission device is connected with an input shaft through a spline, the power takeoff is driven by the input shaft, and the oil pump is driven by the power takeoff; the clutch is connected with the input shaft through a spline; the output shaft is connected with the second planet carrier through a spline; the second sun gear is connected with the input shaft through a spline; the first sun gear is connected with the input shaft through a spline.
A first gear ring in the high-power hydraulic variable-speed transmission device is respectively engaged with a clutch and a first brake through teeth; the second ring gear is connected with the first planet carrier through a spline and is engaged with a second brake through teeth, the first brake can brake the first ring gear, and the second brake can brake the second ring gear.
When the clutch is combined, the clutch, the first gear ring, the first planet carrier, the first sun gear and the first planet gear rotate at the same angular speed, so that direct transmission without speed change is realized; when the first brake is combined, the first gear ring is braked, 2 gears are realized, and when the second brake is combined, 1 gear is realized.
Compared with the prior art, the high-power shift transmission device provided by the invention adopts an oil pump, a clutch, a brake and a planet row integrated scheme to realize 1 neutral gear, 1 direct gear, 3 forward gears and 1 neutral gear of 2 deceleration gears, the ratio of the speed ratios among the gears is reasonable, different gears can be selected according to the requirements of equipment operation, and the requirements of the equipment operation on loads at different stages are met; the defects that the existing mechanical gear shifting transmission mechanism is interrupted in power, unstable in gear shifting, troublesome in operation, high in labor intensity, difficult to realize automatic control and the like during gear shifting are overcome.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
in the figure: 1-oil pump, 2-power takeoff, 3-first ring gear, 4-second ring gear, 5-second planet wheel, 6-second planet carrier, 7-output shaft, 8-second sun gear, 9-input shaft, 10-first planet carrier, 11-first sun gear, 12-first planet wheel, L1-clutch, Z1-first brake, Z2-second brake.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings and examples, but the claimed protection scope is not limited to the description;
as shown in fig. 1, the high-power hydraulic variable speed transmission device includes an oil pump 1, a power take-off 2, a clutch L1, a first ring gear 3, a first brake Z1, a second ring gear 4, a second brake Z2, a second planetary gear 5, a second carrier 6, an output shaft 7, a second sun gear 8, an input shaft 9, a first carrier 10, a first sun gear 11, and a first planetary gear 12.
In the high-power hydraulic variable-speed transmission device, a power takeoff 2 is connected with an input shaft 9 through a spline, the power takeoff is driven by the input shaft, and an oil pump 1 is driven by the power takeoff 2; the clutch L1 is connected with the input shaft 9 through a spline; the output shaft 7 is connected with the second planet carrier 6 through a spline; the second sun gear 8 is connected with the input shaft 9 through a spline; the first sun gear 11 is splined to the input shaft 9.
The first gear ring 3 of the high-power hydraulic variable-speed transmission device is respectively engaged with the clutch L1 and the brake Z1 through teeth; the second ring gear 4 is splined to the first carrier 10 and engaged with the second brake Z2 by teeth, the first brake Z1 being operable to brake the first ring gear 3 and the second brake Z2 being operable to brake the second ring gear 4.
The realization mode of each gear in the high-power hydraulic variable speed transmission device is as follows:
neutral gear: the clutch or the brake is not combined, the input shaft 9 and the motor rotate at the same speed to drive the power takeoff 2, the oil pump 1 is driven by the power takeoff 2, oil discharged by the oil pump 1 lubricates all bearings, gears and friction plates, and no torque is output due to the fact that the clutch or the brake is not combined, so that neutral gear is realized.
A first gear: the input shaft 9 and the motor rotate at the same speed to drive the power takeoff 2, the power takeoff 2 drives the oil pump 1, one part of oil discharged by the oil pump 1 lubricates all bearings, gears and friction plates, the other part enters a brake cylinder of the second brake Z2, the second brake Z2 is combined to brake the second gear ring 4, the second sun wheel 8 and the input shaft 9 rotate at the same speed, and torque is output from the output shaft 7 through the second sun wheel 8, the second planet wheel 5 and the second planet carrier 6 to realize first gear.
Second gear: the input shaft 9 rotates at the same speed as the motor, the power takeoff 2 is driven, the power takeoff 2 drives the oil pump 1, a part of oil discharged from the oil pump 1 lubricates each bearing, each gear and each friction plate, the other part enters a brake cylinder of the first brake Z1, the first brake Z1 is combined to brake the first gear ring 3, the first sun gear 11 and the second sun gear 8 rotate at the same speed as the input shaft 9, a part of torque is output from the output shaft 7 through the first sun gear 11 and the first planet carrier 10, the second gear ring 4, the second planet gears 5 and the second planet carrier 6, and the other part of torque is output from the output shaft 7 through the second sun gear 8, the second planet gears 5 and the second planet carrier 6, so that the second gear is realized.
Three gears: the input shaft 9 and the motor rotate at the same speed to drive the power takeoff 2, the power takeoff 2 drives the oil pump 1, one part of oil discharged by the oil pump 1 lubricates each bearing, each gear and each friction plate, the other part of oil enters into a clutch L1 oil cylinder, the clutch L1 is combined, the input shaft 9, the clutch L1, the first sun gear 11, the second sun gear 8, the first planet carrier 10, the second planet carrier 6, the first gear ring 3 and the second gear ring 4 rotate together as a whole, torque is output from the output shaft 7 through the second planet carrier 6, three gears are realized, and because all planet rows integrally rotate, no speed reduction and no speed increase are realized, and direct gear shifting is realized.
The working condition of the clutch or the brake during each gear is realized:

Claims (8)

1. a high-power hydraulic variable speed transmission device, comprising an input shaft (9) and an output shaft (7), characterized in that:
the hydraulic oil pump further comprises a power takeoff (2), wherein the power takeoff (2) is connected with the input shaft (9), and the power takeoff (2) is connected with the oil pump (1);
the input shaft (9) is connected with a clutch (L1);
the clutch (L1) is connected with the first gear ring (3), and the first gear ring (3) is also connected with the first brake (Z1);
the first gear ring (3) is matched with the first planet carrier (10), the first sun gear (11) and the first planet gears (12); the first planet carrier (10) is connected with the second gear ring (4), the second gear ring (4) is matched with the second planet carrier (6), the second sun wheel (8) and the second planet wheel (5), and the second gear ring (4) is also connected with the second brake (Z2);
the input shaft (9) is respectively connected with the first sun gear (11) and the second sun gear (8);
the output shaft (7) is connected with the second planet carrier (6);
the realization mode of each gear in the high-power hydraulic variable speed transmission device is as follows:
neutral gear: the clutch (L1) is not combined, and neither the first brake (Z1) nor the second brake (Z2) is braked;
a first gear: the second brake (Z2) brakes the second gear ring (4), the clutch (L1) is not combined, and the first brake (Z1) is not braked;
second gear: the first brake (Z1) brakes the first gear ring (3), and neither the clutch (L1) nor the first brake (Z1) is combined;
three gears: the clutch (L1) is engaged, and neither the first brake (Z1) nor the second brake (Z2) is braked.
2. A high power hydraulic variable speed drive as claimed in claim 1, wherein: the power takeoff (2) is connected with the input shaft (9) through a spline.
3. A high power hydraulic variable speed drive as claimed in claim 1, wherein: the clutch (L1) is connected with the input shaft (9) through a spline.
4. A high power hydraulic variable speed drive as claimed in claim 1, wherein: the output shaft (7) is connected with the second planet carrier (6) through a spline, and the second sun gear (8) is connected with the input shaft (9) through a spline.
5. A high power hydraulic variable speed drive as claimed in claim 1, wherein: the first sun gear (11) is connected with the input shaft (9) through a spline.
6. A high power hydraulic variable speed drive as claimed in claim 1, wherein: the second gear ring (4) is connected with the first planet carrier (10) through a spline.
7. A high power hydraulic variable speed drive as claimed in claim 1, wherein: the first gear ring (3) is connected with the clutch (L1) and the first brake (Z1) through teeth respectively.
8. A high power hydraulic variable speed drive as claimed in claim 1, wherein: the second gear ring (4) is connected to a second brake (Z2) by teeth.
CN201710523130.7A 2017-06-30 2017-06-30 High-power hydraulic variable-speed transmission device Active CN107178585B (en)

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CN107178585B true CN107178585B (en) 2023-08-04

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WO2023171054A1 (en) * 2022-03-09 2023-09-14 ジヤトコ株式会社 Device

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矿用自卸车自动变速器行星机构传动方案及动力学研究;焦万铭;中国博士学位论文全文数据库工程科技Ⅱ辑(第8期);C035-5 *

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