WO2015172655A1 - Speed change device with hydraulic manipulation mechanism - Google Patents

Speed change device with hydraulic manipulation mechanism Download PDF

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Publication number
WO2015172655A1
WO2015172655A1 PCT/CN2015/077663 CN2015077663W WO2015172655A1 WO 2015172655 A1 WO2015172655 A1 WO 2015172655A1 CN 2015077663 W CN2015077663 W CN 2015077663W WO 2015172655 A1 WO2015172655 A1 WO 2015172655A1
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WO
WIPO (PCT)
Prior art keywords
clutch
hydraulic cylinder
brake
drum
assembly
Prior art date
Application number
PCT/CN2015/077663
Other languages
French (fr)
Chinese (zh)
Inventor
韩文明
Original Assignee
韩文明
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 韩文明 filed Critical 韩文明
Publication of WO2015172655A1 publication Critical patent/WO2015172655A1/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
    • F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
    • F16H47/06—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type
    • F16H47/08—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type the mechanical gearing being of the type with members having orbital motion
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
    • F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
    • F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
    • F16D25/0635—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs
    • F16D25/0638—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/10—Clutch systems with a plurality of fluid-actuated clutches
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D49/00—Brakes with a braking member co-operating with the periphery of a drum, wheel-rim, or the like
    • F16D49/08—Brakes with a braking member co-operating with the periphery of a drum, wheel-rim, or the like shaped as an encircling band extending over approximately 360 degrees
    • F16D49/12—Brakes with a braking member co-operating with the periphery of a drum, wheel-rim, or the like shaped as an encircling band extending over approximately 360 degrees fluid actuated
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
    • F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
    • F16D65/186—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes with full-face force-applying member, e.g. annular
    • 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
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • 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

Definitions

  • the invention belongs to the technical field of gear shifting for vehicles, and in particular relates to a shifting device with a hydraulic operating mechanism.
  • the shifting action is operated by the hydraulic system, and the multi-plate wet clutch (or brake belt) is controlled by the hydraulic control system.
  • the separation and engagement are achieved, and the multiple wet clutches (or brake bands) are collectively referred to as shift actuators.
  • An oil path controls a shift actuator between a hydraulic cylinder of a plurality of wet clutches (or brake bands) and a hydraulic control valve block.
  • the technical problem to be solved by the present invention is to provide a shifting device with a hydraulic operating mechanism in which a hydraulic oil passage directly controls the engagement and disengagement or separation and engagement of two actuators by pressure change, through braking
  • the pressure change in the hydraulic cylinder of the mechanism and the lock mechanism realizes the separation of the brake band mechanism or the clutch mechanism in the normally engaged state and the engagement of the brake band mechanism or the clutch mechanism in the normally disengaged state, simplifying the hydraulic control system in the shifting device.
  • the technical solution adopted by the present invention to solve the technical problem thereof is to provide a shifting device with a hydraulic operating mechanism, including an input sun gear assembly, a planetary gear assembly, a carrier assembly and an output sun gear assembly,
  • the input sun gear assembly, the planet carrier assembly and the output sun gear assembly have coincident rotational axes and are rotatable relative to one another,
  • the planet carrier assembly including a planet carrier inner casing and a planet carrier housing, and a clutch mechanism and a brake band mechanism or a two-stage clutch mechanism, the clutch mechanism is internally mounted with a hydraulic cylinder, the brake band mechanism is internally mounted with a brake hydraulic cylinder, and the secondary clutch mechanism is internally mounted with a secondary hydraulic cylinder
  • the hydraulic cylinder and the brake hydraulic cylinder or the second hydraulic cylinder are connected to the hydraulic control system through an oil passage, and the hydraulic cylinder is different from the starting pressure of the brake hydraulic cylinder or the secondary hydraulic cylinder, and the hydraulic control system adjusts the output. Separation and engagement of the pressure control clutch mechanism, the brake band
  • the clutch mechanism includes a spline hub, a hydraulic cylinder and a clutch drum, the spline hub is fixed to the input shaft assembly or the output shaft assembly, and the spline hub is provided with a matching clutch drum, the flower
  • the key hub is connected to the friction plate by internal splines, the friction plate is axially reciprocated relative to the spline hub, and the clutch drum is fixed to the carrier Up and down, a clutch piston is disposed, the clutch drum is connected to the steel sheet by an external spline, the steel sheet reciprocally moves axially relative to the clutch drum, and the friction plate and the steel sheet are arranged between each other, and
  • An axial limit position of the friction plate and the steel sheet is defined by a retaining ring installed in the clutch drum, and a return spring and a spring seat are disposed between the clutch piston and the clutch drum, and the return spring is disposed on the clutch piston Between the spring seat and the spring seat, a hydraulic cylinder is mounted on the clutch cylinder to control the axial
  • the clutch drum is mounted on the planet carrier inner casing or planet carrier housing.
  • the brake band mechanism is mounted on an outer casing of the transmission, the brake band mechanism including a brake band that matches the shape of the brake drum of the carrier assembly and is placed in the same
  • the two ends of the brake band are respectively connected with a brake band ejector and a brake hydraulic cylinder disposed on the casing, and the brake band ejector pin bears against one end of the brake band.
  • the piston of the brake hydraulic cylinder is coupled to the other end of the brake band, and the brake hydraulic cylinder is coupled to the oil passage and fixed to the housing.
  • the piston in the brake hydraulic cylinder has a piston rod on one side of which is an oil-filled cavity, and the other side is a resilience chamber, and a brake band is pressed between the piston and the brake hydraulic cylinder in the rebound chamber.
  • the spring and spring seat provide a compressive force for the engagement of the brake band.
  • the clutch drum is mounted on the inner casing of the planet carrier, and the planetary carrier shell or the clutch drum is equipped with a two-stage clutch mechanism including a secondary spline hub, a secondary hydraulic cylinder and a secondary flower a key drum, the secondary spline hub is fixed to the input shaft assembly or the output shaft assembly, and the secondary spline hub is provided with a matching secondary clutch drum, and the secondary spline hub passes through
  • the spline is connected to the secondary friction plate, and the secondary friction plate is axially reciprocated relative to the secondary splined hub.
  • the secondary clutch drum is fixed on the casing, and the externally mounted secondary clutch piston and the second a hydraulic cylinder, the secondary clutch drum is connected to a secondary steel plate by an external spline, the secondary steel plate reciprocating axially relative to the secondary clutch drum, the secondary friction plate and the
  • the secondary steel sheets are arranged one on another and define an axial limit position of the secondary friction plate and the secondary steel plate by a secondary retaining ring mounted in the secondary clutch drum, the secondary hydraulic cylinder including a secondary spring seat , the secondary spring seat and the secondary clutch piston Equipped with two return springs, the two hydraulic cylinders controlling two clutch piston axial movement along the two clutch drum, the hydraulic cylinder connecting the two oil passage, and the passage control system is hydraulically connected to the control.
  • the clutch drum is mounted on the planet carrier housing, and the carrier inner casing or the clutch drum is equipped with a secondary clutch mechanism, and the secondary clutch mechanism includes a secondary spline hub, a secondary hydraulic cylinder and a secondary flower.
  • the secondary clutch mechanism includes a secondary spline hub, a secondary hydraulic cylinder and a secondary flower.
  • a key drum, the secondary spline hub is fixed to the input shaft assembly or the output shaft assembly, and the secondary spline hub is provided with a matching secondary clutch drum, and the secondary spline hub passes through Spline connecting the secondary friction plate, the secondary friction plate relative to the secondary spline
  • the hub reciprocates in the axial direction, the secondary clutch drum is fixed on the casing, and the externally is equipped with a secondary clutch piston and a secondary hydraulic cylinder, and the secondary clutch drum is connected to the secondary steel plate by external splines.
  • the secondary steel sheet reciprocates axially relative to the secondary clutch drum, the secondary friction plate and the secondary steel sheet are disposed between each other and are defined by a secondary retaining ring mounted in the secondary clutch drum
  • the axial limit position of the secondary friction plate and the secondary steel plate, the secondary hydraulic cylinder includes a secondary spring seat, and the secondary return spring is disposed between the secondary spring seat and the secondary clutch piston.
  • the secondary hydraulic cylinder controls the secondary clutch piston to move axially along the secondary clutch drum, and the secondary hydraulic cylinder is connected to the oil passage and controlled by a hydraulic control system connected by the oil passage.
  • each of the planet gear assemblies includes two coaxial planet wheels, the two planet wheels being fixedly coupled, one of the two planet wheels
  • the planet gear meshes with an input sun gear of the input sun gear assembly and the other planet gear meshes with an output sun gear of the output sun gear assembly, the input sun gear assembly forming an input end of the shifting mechanism, the output sun
  • the wheel assembly constitutes the output of the shifting mechanism.
  • the invention has the advantages that the engagement and separation or the separation and the engagement of the two actuators are directly controlled by the pressure change of one hydraulic oil passage in the hydraulic control system, and the pressure change in the hydraulic cylinder of the brake mechanism and the lock mechanism is often
  • the separation of the brake band mechanism or the clutch mechanism in the engaged state and the engagement of the brake band mechanism or the clutch mechanism in the normally disengaged state simplifies the hydraulic control system in the shifting device.
  • FIG. 1 is a schematic view of a shifting device of a brake mechanism of the brake mechanism of the present invention
  • FIG. 2 is a schematic view showing the structure and assembly relationship of the brake band mechanism of the present invention
  • FIG. 3 is a schematic view showing the clutch mechanism of the present invention mounted on the inner casing of the carrier;
  • FIG. 4 is a schematic view of the clutch mechanism of the present invention mounted on a planet carrier housing
  • Figure 5 is a schematic view showing the clutch mechanism of the present invention mounted on the inner casing of the carrier and the two-stage clutch mechanism being mounted on the outer casing of the carrier;
  • Figure 6 is a schematic view showing the clutch mechanism of the present invention mounted on the planet carrier housing and the two-stage clutch mechanism mounted on the inner casing of the carrier;
  • Figure 7 is a schematic view showing the clutch mechanism of the present invention mounted on the inner casing of the carrier and the two-stage clutch mechanism mounted on the clutch mechanism;
  • Figure 8 is a schematic view showing the clutch mechanism of the present invention mounted on the planet carrier housing and the two-stage clutch mechanism mounted on the clutch mechanism.
  • a shifting device with a hydraulic operating mechanism includes an input sun gear assembly 1, a planetary gear assembly 2, a carrier assembly 4, and an output sun gear assembly 3, said input sun
  • the wheel assembly 1, the planet carrier assembly 4 and the output sun gear assembly 3 have coincident rotational axes and are relatively rotatable relative to one another, the planet carrier assembly 4 including a planet carrier inner casing 41 and a planet carrier housing 42
  • the utility model is characterized in that it further comprises a clutch mechanism 5 and a brake belt mechanism 6 or a two-stage clutch mechanism 8.
  • the clutch mechanism 5 is internally mounted with a hydraulic cylinder 57
  • the brake belt mechanism 6 is internally mounted with a brake hydraulic cylinder 64.
  • the secondary clutch mechanism 8 is internally mounted with a secondary hydraulic cylinder 87.
  • the hydraulic cylinder 57 and the brake hydraulic cylinder 64 or the secondary hydraulic cylinder 87 are connected to the hydraulic control system 9 via an oil passage 7, which is 57. Unlike the starting pressure of the brake hydraulic cylinder 64 or the secondary hydraulic cylinder 87, the hydraulic control system 9 controls the separation and engagement of the clutch mechanism 5, the brake band mechanism 6, or the secondary clutch mechanism 8 by adjusting the output pressure.
  • the clutch mechanism 5 includes a spline hub 53, a hydraulic cylinder 57 and a clutch drum 58, and the spline hub 53 is fixed to the input shaft assembly 1 or the output shaft assembly 3, and the spline hub 53 is externally mounted.
  • a matching clutch drum 58 which is connected to the friction plate 51 by internal splines, the friction plate 51 reciprocating axially relative to the spline hub 53, the clutch drum 58 being fixed to the planet
  • the frame assembly 4 is internally provided with a clutch piston 56 which is connected to the steel sheet 52 by external splines.
  • the steel sheet 52 reciprocates axially relative to the clutch drum 58, the friction plate 51.
  • a return spring 54 and a spring seat 55 Arranged with the steel sheet 52 and defining an axial extreme position of the friction plate 51 and the steel sheet 52 by a retaining ring 59 mounted in the clutch drum 58, between the clutch piston 56 and the clutch drum 58 a return spring 54 and a spring seat 55, the return spring 54 is disposed between the clutch piston 56 and the spring seat 55, and the clutch drum 58 is provided with a hydraulic cylinder 57 for controlling the axial movement of the clutch piston 56 along the clutch drum 58.
  • the hydraulic cylinder 57 is connected to the oil passage 7 and is connected to the liquid connected to the oil passage 7 9 control system.
  • the clutch drum 58 is mounted on the carrier inner casing 41 or the planet carrier housing 42.
  • the brake band mechanism 6 is mounted on a transmission outer casing 0, the brake band mechanism 6 including a brake band 61, and the brake band 61 and the brake drum 42 of the carrier assembly 4 Matching and sleeved on the outside of the brake drum 42, the two ends of the brake band 61 are respectively connected with the brake band ejector 62 and the brake hydraulic cylinder 64 disposed on the casing 0, The movable ejector pin 62 is pressed against one end of the brake band 61.
  • the piston 65 of the brake hydraulic cylinder 64 is connected to the other end of the brake band 61.
  • the brake hydraulic cylinder 64 is connected to the oil passage 7 and fixed to the brake circuit. On the housing 0.
  • the piston 65 has a piston rod 63 on one side of which is an oil-filled cavity, and the other side is a resilience chamber, and the rebound chamber inner piston 65 and the brake hydraulic cylinder 64 are installed.
  • the brake band pressing spring 66 and the spring seat 67 provide a pressing force for the engagement of the brake band 61.
  • the clutch drum 58 is mounted on the carrier inner casing 41.
  • the carrier housing 42 or the clutch drum 58 is provided with a secondary clutch mechanism 8, and the secondary clutch mechanism 8 includes a secondary spline hub 83, two a hydraulic cylinder 87 and a secondary spline drum 88, the secondary spline hub 83 is fixed to the input shaft assembly 1 or the output shaft assembly 3, and the secondary spline hub 83 is provided with a matching two a stage clutch drum 88, the secondary spline hub 83 is connected to the secondary friction plate 81 by internal splines, and the secondary friction plate 81 reciprocates axially relative to the secondary splined hub 83, the second The stage clutch drum 88 is fixed on the casing 0, and is externally equipped with a secondary clutch piston 86 and a secondary hydraulic cylinder 87.
  • the secondary clutch drum 88 is connected to the secondary steel plate 82 by an external spline, the secondary steel
  • the sheet 82 reciprocates axially relative to the secondary clutch drum 88, and the secondary friction plate 81 and the secondary steel sheet 82 are disposed between each other and pass through a secondary retaining ring mounted in the secondary clutch drum 88.
  • 89 defines an axial limit position of the secondary friction plate 81 and the secondary steel plate 82
  • the secondary hydraulic cylinder 87 includes two stages
  • a spring seat 85, a secondary return spring 84 is disposed between the secondary spring seat 85 and the secondary clutch piston 86, and the secondary hydraulic cylinder 57 controls the secondary clutch piston 86 to move axially along the secondary clutch drum 88.
  • the secondary hydraulic cylinder 87 is connected to the oil passage 7 and is controlled by a hydraulic control system 9 to which the oil passage 7 is connected.
  • the clutch drum 58 is mounted on the planet carrier housing 42.
  • the carrier inner casing 41 or the clutch drum 58 is provided with a secondary clutch mechanism 8, and the secondary clutch mechanism 8 includes a secondary spline hub 83, two. a hydraulic cylinder 87 and a secondary spline drum 88, the secondary spline hub 83 is fixed to the input shaft assembly 1 or the output shaft assembly 3, and the secondary spline hub 83 is provided with a matching two a stage clutch drum 88, the secondary spline hub 83 is connected to the secondary friction plate 81 by internal splines, and the secondary friction plate 81 reciprocates axially relative to the secondary splined hub 83, the second The stage clutch drum 88 is fixed on the casing 0, and is externally equipped with a secondary clutch piston 86 and a secondary hydraulic cylinder 87.
  • the secondary clutch drum 88 is connected to the secondary steel plate 82 by an external spline, the secondary steel
  • the sheet 82 reciprocates axially relative to the secondary clutch drum 88, and the secondary friction plate 81 and the secondary steel sheet 82 are disposed between each other and pass through a secondary retaining ring mounted in the secondary clutch drum 88.
  • 89 defines an axial limit position of the secondary friction plate 81 and the secondary steel plate 82
  • the secondary hydraulic cylinder 87 includes two stages Spring seat 85, between the secondary spring seat 85 and the secondary clutch piston 86 a return spring 84, the secondary hydraulic cylinder 57 controls the secondary clutch piston 86 to move axially along the secondary clutch drum 88.
  • the secondary hydraulic cylinder 87 is connected to the oil passage 7 and is hydraulically controlled by the oil passage 7. System 9 controls.
  • the planet gear assembly 2 is mounted on the planet carrier assembly 4, each of the planet gear assemblies 2 comprising two coaxial planet wheels 21, 22, the two planet wheels 21, 22 being fixedly connected, One of the two planet wheels 21 meshes with the input sun gear 11 of the input sun gear assembly 1 and the other planet gear 22 meshes with the output sun gear 31 of the output sun gear assembly 3, said input
  • the sun gear assembly 1 constitutes the input end of the shifting mechanism
  • the output sun gear assembly 3 constitutes the output end of the shifting mechanism.
  • the brake band mechanism 6 (or the secondary clutch mechanism 8) is in a normally engaged state and the clutch mechanism 5 is in a normally disengaged state; the brake band mechanism 6 in a normally engaged state (or a two-stage clutch mechanism) 8)
  • the spring 66 (or the secondary spring 84) or other elastic element is pressed to press it, and the hydraulic pressure is used to separate it; the clutch mechanism 5 in the normally separated state is pressed by the hydraulic pressure, using the spring 54 or the like.
  • the elastic member forces the motor to be separated; the brake hydraulic cylinder 64 of the brake band mechanism 6 (or the secondary hydraulic cylinder 87 of the secondary clutch mechanism 8) and the hydraulic cylinder 58 of the clutch mechanism 5 are connected through the oil passage 7.
  • a hydraulic control oil passage 9 directly controls the separation and engagement or engagement and disengagement of the two actuators, the brake belt mechanism 6 (or the secondary clutch mechanism 8) and the clutch mechanism 5, by means of pressure changes, ie:
  • the brake band mechanism 6 (or the secondary clutch mechanism 8) in the normally engaged state is realized by the pressure change in the hydraulic cylinder of the brake band mechanism 6 (or the secondary clutch mechanism 8) and the hydraulic cylinder of the clutch mechanism 5 Separation and engagement of the clutch mechanism 5 is normally disengaged state.
  • a brake band pressing spring 66 is disposed between the spring seat 67 and the piston 65 to provide a pressing force for the engagement of the brake band 61.
  • the spring seat 67 is fixed to the housing 0.
  • the two-stage clutch mechanism 8 is coupled to the carrier assembly 4; the secondary clutch mechanism 8 may be disposed at the output end as long as the arrangement space permits (FIG. 5) 7) or arranged at the input end (as shown in FIGS. 6 and 8), the two-stage clutch mechanism 8 and the clutch mechanism 5 may be arranged on the same side of the shifting mechanism (both at the input end (as shown in FIG. 7) or at the output end ( Figure 8)), can also be placed on both sides of the shifting mechanism ( Figure 5, 6).
  • the liquid secondary pressure cylinder 87 is not filled with oil or the oil filling pressure is less than the pressing force of the secondary secondary spring 84, the secondary clutch piston 86 is pressed by the secondary compression spring 84.
  • the secondary friction plate 81 and the secondary steel plate 82 generate pressure between the secondary friction plate 81 and the secondary steel plate 82 due to the blocking of the secondary retaining ring 89, thereby generating friction Torque, the secondary clutch mechanism 8 is in an engaged state; when the secondary hydraulic cylinder 87 oil filling pressure is greater than the secondary compression spring 84 acting force, the hydraulic pressure pushes the secondary clutch piston 86 to overcome the The force of the secondary compression spring 84 is away from the side of the secondary friction plate 81 and the secondary steel plate 82. The movement is moved so that the secondary clutch mechanism 8 is in the disengaged state.
  • the clutch mechanism 5 can be arranged at the input (as in Figures 4, 5, 7) or at the output (as in Figures 1, 3, 6) as long as the arrangement space permits. 8), the hydraulic cylinder 57 communicates with the oil passage 7 and is connected with the spring seat 55 and the clutch drum 58; when the oil pressure of the hydraulic cylinder 57 is greater than the force of the return spring 54, the hydraulic pressure pusher The clutch piston 56 is pressed against the friction plate 51 and the steel sheet 52 against the urging force of the return spring 54, and the friction plate 51 and the steel piece 52 are blocked by the blocking of the retaining ring 59.
  • the clutch mechanism 5 is in an engaged state; when the hydraulic cylinder 57 is drained or the oil-filling pressure is less than the urging force of the return spring 54, under the action of the return spring 54, The clutch piston 56 is moved away from the friction plate 51 and the steel sheet 52, so that the clutch mechanism 5 is in a disengaged state.
  • the principle of the shifting device is as follows: when the brake band mechanism 6 (or the secondary clutch mechanism 8) is engaged by the brake band pressing spring 66 (or the secondary pressing spring 84), the action is applied to The frictional torque on the planet carrier assembly 4 causes the cage to be stationary, and the clutch mechanism 5 is in a disengaged state under the action of the return spring 54.
  • This condition is a fixed-shaft transmission condition, and the power transmission route is: Input the sun gear shaft 12 ⁇ input sun gear 11 ⁇ planetary gear 21 ⁇ planetary gear 22 ⁇ output sun gear 31 ⁇ output sun gear shaft 32, the gear ratio i can be realized; when the brake belt mechanism 6 (or the second clutch mechanism 8) The hydraulic pressure in the hydraulic cylinder is greater than the pressing force of the brake band compression spring 66 (or the secondary compression spring 84), the brake mechanism is in a disengaged state, and the piston 56 of the clutch mechanism is in the hydraulic cylinder hydraulic pressure Under the action of the force, the force of the return spring 54 is pressed against the friction plate 51 and the steel sheet 52, so that a friction torque is generated between the friction plate 51 and the steel piece 52, and the clutch mechanism 5 is in the engaged state,
  • the input sun gear assembly 1 (or The output sun gear assembly 3) is integrated with the carrier assembly 4, so that the entire shifting mechanism is rotated as a whole.
  • This condition is a rigid body rotating condition, and the transmission ratio 1 can
  • F66 The spring force of the brake band mechanism pressing spring 66

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Structure Of Transmissions (AREA)
  • General Details Of Gearings (AREA)

Abstract

A speed change device with a hydraulic manipulation mechanism comprises an input sun gear assembly (1), a planet gear assembly (2), a planet carrier assembly (4), and an output sun gear assembly (3). The input sun gear assembly (1), the planet carrier assembly (4) and the output sun gear assembly (3) have overlapping rotation axial lines and can rotate relative to each other. The planet carrier assembly (4) comprises a planet carrier inner casing (41) and a planet carrier outer casing (42), and further comprises a clutch mechanism (5) and a brake belt mechanism (6) or a secondary clutch mechanism (8). A hydraulic cylinder (57) of the clutch mechanism (5) and a brake hydraulic cylinder (64) of the brake belt mechanism (6) or a secondary hydraulic cylinder (87) of the secondary clutch mechanism (8) are connected to a hydraulic control system (9) by means of an oil passage (7), and have different start-up pressures. The hydraulic control system (9) controls the separation and joining of the clutch mechanism (5), the brake belt mechanism (6) or the secondary clutch mechanism (8) by adjusting the output pressure, thereby simplifying the hydraulic control system in the speed change device.

Description

一种带有液压操纵机构的变速装置Transmission device with hydraulic operating mechanism 技术领域Technical field
本发明属车辆用齿轮变速技术领域，特别是涉及一种带有液压操纵机构的变速装置。The invention belongs to the technical field of gear shifting for vehicles, and in particular relates to a shifting device with a hydraulic operating mechanism.
背景技术Background technique
在液力变矩器式自动变速器(AT)和湿式双离合器自动变速器(DCT)中，其换挡动作均是靠液压系统操作的，通过液压控制系统控制多片湿式离合器(或者制动带)的分离与接合得以实现的，多片湿式离合器(或者制动带)统称为换挡执行元件。在多片湿式离合器(或者制动带)的液压油缸和液压控制阀块之间均是一条油路控制一个换挡执行元件。In the torque converter type automatic transmission (AT) and the wet double clutch automatic transmission (DCT), the shifting action is operated by the hydraulic system, and the multi-plate wet clutch (or brake belt) is controlled by the hydraulic control system. The separation and engagement are achieved, and the multiple wet clutches (or brake bands) are collectively referred to as shift actuators. An oil path controls a shift actuator between a hydraulic cylinder of a plurality of wet clutches (or brake bands) and a hydraulic control valve block.
发明内容Summary of the invention
本发明所要解决的技术问题是提供一种带有液压操纵机构的变速装置，液压控制系统中的一条液压油路通过压强变化直接控制两个执行元件的接合与分离或分离与接合，通过制动机构和锁止机构的液压油缸中压强变化实现常接合状态的制动带机构或者离合器机构的分离以及常分离状态的制动带机构或者离合器机构的接合，简化变速装置中的液压控制系统。The technical problem to be solved by the present invention is to provide a shifting device with a hydraulic operating mechanism in which a hydraulic oil passage directly controls the engagement and disengagement or separation and engagement of two actuators by pressure change, through braking The pressure change in the hydraulic cylinder of the mechanism and the lock mechanism realizes the separation of the brake band mechanism or the clutch mechanism in the normally engaged state and the engagement of the brake band mechanism or the clutch mechanism in the normally disengaged state, simplifying the hydraulic control system in the shifting device.
本发明解决其技术问题所采用的技术方案是：提供一种带有液压操纵机构的变速装置，包括输入太阳轮总成、行星轮总成、行星架总成和输出太阳轮总成，所述输入太阳轮总成、行星架总成和输出太阳轮总成具有重合的旋转轴线并且互相之间能相对转动，所述行星架总成包括行星架内壳和行星架外壳，还包括离合器机构以及制动带机构或二级离合器机构，所述离合器机构内部安装在有液压油缸，所述制动带机构内部安装在有制动液压油缸，所述二级离合器机构内部安装在有二级液压油缸，所述液压油缸以及制动液压油缸或二级液压油缸通过油路连接液压控制系统，所述液压油缸与制动液压油缸或二级液压油缸的启动压力不同，所述液压控制系统通过调节输出压力控制离合器机构、制动带机构或二级离合器机构的分离与接合。The technical solution adopted by the present invention to solve the technical problem thereof is to provide a shifting device with a hydraulic operating mechanism, including an input sun gear assembly, a planetary gear assembly, a carrier assembly and an output sun gear assembly, The input sun gear assembly, the planet carrier assembly and the output sun gear assembly have coincident rotational axes and are rotatable relative to one another, the planet carrier assembly including a planet carrier inner casing and a planet carrier housing, and a clutch mechanism and a brake band mechanism or a two-stage clutch mechanism, the clutch mechanism is internally mounted with a hydraulic cylinder, the brake band mechanism is internally mounted with a brake hydraulic cylinder, and the secondary clutch mechanism is internally mounted with a secondary hydraulic cylinder The hydraulic cylinder and the brake hydraulic cylinder or the second hydraulic cylinder are connected to the hydraulic control system through an oil passage, and the hydraulic cylinder is different from the starting pressure of the brake hydraulic cylinder or the secondary hydraulic cylinder, and the hydraulic control system adjusts the output. Separation and engagement of the pressure control clutch mechanism, the brake band mechanism or the secondary clutch mechanism.
所述离合器机构包括花键毂、液压油缸和离合器鼓，所述花键毂固定于所述输入轴总成或者输出轴总成上，所述花键毂外装有相配的离合器鼓，所述花键毂通过内花键连接摩擦片，所述摩擦片相对于所述花键毂沿轴向往复移动，所述离合器鼓固定在所述行星架总 成上、内部装有离合器活塞，所述离合器鼓通过外花键连接钢片，所述钢片相对于所述离合器鼓沿轴向往复移动，所述摩擦片和所述钢片相间布置，并通过安装在离合器鼓内的挡圈限定所述摩擦片和钢片的轴向极限位置，所述离合器活塞与离合器鼓之间装有回位弹簧和弹簧座，所述回位弹簧设置于离合器活塞和弹簧座之间，所述离合器鼓上装有液压油缸控制离合器活塞沿离合器鼓轴向运动，所述液压油缸连接油路、并受油路所连接的液压控制系统控制。The clutch mechanism includes a spline hub, a hydraulic cylinder and a clutch drum, the spline hub is fixed to the input shaft assembly or the output shaft assembly, and the spline hub is provided with a matching clutch drum, the flower The key hub is connected to the friction plate by internal splines, the friction plate is axially reciprocated relative to the spline hub, and the clutch drum is fixed to the carrier Up and down, a clutch piston is disposed, the clutch drum is connected to the steel sheet by an external spline, the steel sheet reciprocally moves axially relative to the clutch drum, and the friction plate and the steel sheet are arranged between each other, and An axial limit position of the friction plate and the steel sheet is defined by a retaining ring installed in the clutch drum, and a return spring and a spring seat are disposed between the clutch piston and the clutch drum, and the return spring is disposed on the clutch piston Between the spring seat and the spring seat, a hydraulic cylinder is mounted on the clutch cylinder to control the axial movement of the clutch piston along the clutch drum. The hydraulic cylinder is connected to the oil passage and controlled by a hydraulic control system connected by the oil passage.
所述离合器鼓安装在所述行星架内壳或者行星架外壳上。The clutch drum is mounted on the planet carrier inner casing or planet carrier housing.
所述制动带机构安装在变速装置外部壳体上，所述制动带机构包括制动带，所述制动带与所述行星架总成的制动鼓外形相配、并套置于所述制动鼓的外面，所述制动带的两端分别与设置在壳体上的制动带顶杆和制动液压油缸连接，所述制动带顶杆顶住制动带的一端，所述制动液压油缸的活塞与制动带的另一端连接，所述制动液压油缸与油路相接并固定于壳体上。The brake band mechanism is mounted on an outer casing of the transmission, the brake band mechanism including a brake band that matches the shape of the brake drum of the carrier assembly and is placed in the same On the outside of the brake drum, the two ends of the brake band are respectively connected with a brake band ejector and a brake hydraulic cylinder disposed on the casing, and the brake band ejector pin bears against one end of the brake band. The piston of the brake hydraulic cylinder is coupled to the other end of the brake band, and the brake hydraulic cylinder is coupled to the oil passage and fixed to the housing.
所述制动液压油缸内活塞带有活塞杆的一侧为充油空腔、另一侧为回弹腔，所述回弹腔内活塞与制动液压油缸之间装有制动带压紧弹簧和弹簧座，为制动带的接合提供压紧力。The piston in the brake hydraulic cylinder has a piston rod on one side of which is an oil-filled cavity, and the other side is a resilience chamber, and a brake band is pressed between the piston and the brake hydraulic cylinder in the rebound chamber. The spring and spring seat provide a compressive force for the engagement of the brake band.
所述离合器鼓安装在所述行星架内壳上，所述行星架外壳或者离合器鼓上装有二级离合器机构，所述二级离合器机构包括二级花键毂、二级液压油缸和二级花键鼓，所述二级花键毂固定于所述输入轴总成或者输出轴总成上，所述二级花键毂外装有相配的二级离合器鼓，所述二级花键毂通过内花键连接二级摩擦片，所述二级摩擦片相对于所述二级花键毂沿轴向往复移动，所述二级离合器鼓固定在壳体上、外部装有二级离合器活塞和二级液压油缸，所述二级离合器鼓通过外花键连二级接钢片，所述二级钢片相对于所述二级离合器鼓沿轴向往复移动，所述二级摩擦片和所述二级钢片相间布置，并通过安装在二级离合器鼓内的二级挡圈限定所述二级摩擦片和二级钢片的轴向极限位置，所述二级液压油缸包括二级弹簧座，所述二级弹簧座和二级离合器活塞之间装有二级回位弹簧，所述二级液压油缸控制二级离合器活塞沿二级离合器鼓轴向运动，所述二级液压油缸连接油路、并受油路所连接的液压控制系统控制。The clutch drum is mounted on the inner casing of the planet carrier, and the planetary carrier shell or the clutch drum is equipped with a two-stage clutch mechanism including a secondary spline hub, a secondary hydraulic cylinder and a secondary flower a key drum, the secondary spline hub is fixed to the input shaft assembly or the output shaft assembly, and the secondary spline hub is provided with a matching secondary clutch drum, and the secondary spline hub passes through The spline is connected to the secondary friction plate, and the secondary friction plate is axially reciprocated relative to the secondary splined hub. The secondary clutch drum is fixed on the casing, and the externally mounted secondary clutch piston and the second a hydraulic cylinder, the secondary clutch drum is connected to a secondary steel plate by an external spline, the secondary steel plate reciprocating axially relative to the secondary clutch drum, the secondary friction plate and the The secondary steel sheets are arranged one on another and define an axial limit position of the secondary friction plate and the secondary steel plate by a secondary retaining ring mounted in the secondary clutch drum, the secondary hydraulic cylinder including a secondary spring seat , the secondary spring seat and the secondary clutch piston Equipped with two return springs, the two hydraulic cylinders controlling two clutch piston axial movement along the two clutch drum, the hydraulic cylinder connecting the two oil passage, and the passage control system is hydraulically connected to the control.
所述离合器鼓安装在所述行星架外壳上，所述行星架内壳或者离合器鼓上装有二级离合器机构，所述二级离合器机构包括二级花键毂、二级液压油缸和二级花键鼓，所述二级花键毂固定于所述输入轴总成或者输出轴总成上，所述二级花键毂外装有相配的二级离合器鼓，所述二级花键毂通过内花键连接二级摩擦片，所述二级摩擦片相对于所述二级花键 毂沿轴向往复移动，所述二级离合器鼓固定在壳体上、外部装有二级离合器活塞和二级液压油缸，所述二级离合器鼓通过外花键连二级接钢片，所述二级钢片相对于所述二级离合器鼓沿轴向往复移动，所述二级摩擦片和所述二级钢片相间布置，并通过安装在二级离合器鼓内的二级挡圈限定所述二级摩擦片和二级钢片的轴向极限位置，所述二级液压油缸包括二级弹簧座，所述二级弹簧座和二级离合器活塞之间装有二级回位弹簧，所述二级液压油缸控制二级离合器活塞沿二级离合器鼓轴向运动，所述二级液压油缸连接油路、并受油路所连接的液压控制系统控制。The clutch drum is mounted on the planet carrier housing, and the carrier inner casing or the clutch drum is equipped with a secondary clutch mechanism, and the secondary clutch mechanism includes a secondary spline hub, a secondary hydraulic cylinder and a secondary flower. a key drum, the secondary spline hub is fixed to the input shaft assembly or the output shaft assembly, and the secondary spline hub is provided with a matching secondary clutch drum, and the secondary spline hub passes through Spline connecting the secondary friction plate, the secondary friction plate relative to the secondary spline The hub reciprocates in the axial direction, the secondary clutch drum is fixed on the casing, and the externally is equipped with a secondary clutch piston and a secondary hydraulic cylinder, and the secondary clutch drum is connected to the secondary steel plate by external splines. The secondary steel sheet reciprocates axially relative to the secondary clutch drum, the secondary friction plate and the secondary steel sheet are disposed between each other and are defined by a secondary retaining ring mounted in the secondary clutch drum The axial limit position of the secondary friction plate and the secondary steel plate, the secondary hydraulic cylinder includes a secondary spring seat, and the secondary return spring is disposed between the secondary spring seat and the secondary clutch piston. The secondary hydraulic cylinder controls the secondary clutch piston to move axially along the secondary clutch drum, and the secondary hydraulic cylinder is connected to the oil passage and controlled by a hydraulic control system connected by the oil passage.
所述行星轮总成安装于所述行星架总成上，每个所述行星轮总成包括两个同轴行星轮，所述两个行星轮固定连接，所述两个行星轮中的一个行星轮与输入太阳轮总成的输入太阳轮相啮合而另一个行星轮与输出太阳轮总成的输出太阳轮相啮合，所述输入太阳轮总成构成变速机构的输入端，所述输出太阳轮总成构成变速机构的输出端。The planet gear assembly is mounted on the planet carrier assembly, each of the planet gear assemblies includes two coaxial planet wheels, the two planet wheels being fixedly coupled, one of the two planet wheels The planet gear meshes with an input sun gear of the input sun gear assembly and the other planet gear meshes with an output sun gear of the output sun gear assembly, the input sun gear assembly forming an input end of the shifting mechanism, the output sun The wheel assembly constitutes the output of the shifting mechanism.
有益效果Beneficial effect
本发明的优点在于，通过液压控制系统中的一条液压油路通过压强变化直接控制两个执行元件的接合与分离或分离与接合，通过制动机构和锁止机构的液压油缸中压强变化实现常接合状态的制动带机构或者离合器机构的分离以及常分离状态的制动带机构或者离合器机构的接合，简化变速装置中的液压控制系统。The invention has the advantages that the engagement and separation or the separation and the engagement of the two actuators are directly controlled by the pressure change of one hydraulic oil passage in the hydraulic control system, and the pressure change in the hydraulic cylinder of the brake mechanism and the lock mechanism is often The separation of the brake band mechanism or the clutch mechanism in the engaged state and the engagement of the brake band mechanism or the clutch mechanism in the normally disengaged state simplifies the hydraulic control system in the shifting device.
附图说明DRAWINGS
图1为本发明制动机构为制动带机构的变速装置示意图；1 is a schematic view of a shifting device of a brake mechanism of the brake mechanism of the present invention;
图2为本发明制动带机构结构及装配关系示意图；2 is a schematic view showing the structure and assembly relationship of the brake band mechanism of the present invention;
图3为本发明离合器机构安装于行星架内壳的示意图；Figure 3 is a schematic view showing the clutch mechanism of the present invention mounted on the inner casing of the carrier;
图4为本发明离合器机构安装于行星架外壳的示意图；4 is a schematic view of the clutch mechanism of the present invention mounted on a planet carrier housing;
图5为本发明离合器机构安装于行星架内壳而二级离合器机构安装于行星架外壳的示意图；Figure 5 is a schematic view showing the clutch mechanism of the present invention mounted on the inner casing of the carrier and the two-stage clutch mechanism being mounted on the outer casing of the carrier;
图6为本发明离合器机构安装于行星架外壳而二级离合器机构安装于行星架内壳的示意图；Figure 6 is a schematic view showing the clutch mechanism of the present invention mounted on the planet carrier housing and the two-stage clutch mechanism mounted on the inner casing of the carrier;
图7为本发明离合器机构安装于行星架内壳而二级离合器机构安装于离合器机构上的示意图； Figure 7 is a schematic view showing the clutch mechanism of the present invention mounted on the inner casing of the carrier and the two-stage clutch mechanism mounted on the clutch mechanism;
图8为本发明离合器机构安装于行星架外壳而二级离合器机构安装于离合器机构上的示意图。Figure 8 is a schematic view showing the clutch mechanism of the present invention mounted on the planet carrier housing and the two-stage clutch mechanism mounted on the clutch mechanism.
具体实施方式detailed description
下面结合具体实施例，进一步阐述本发明。应理解，这些实施例仅用于说明本发明而不用于限制本发明的范围。此外应理解，在阅读了本发明讲授的内容之后，本领域技术人员可以对本发明作各种改动或修改，这些等价形式同样落于本申请所附权利要求书所限定的范围。The invention is further illustrated below in conjunction with specific embodiments. It is to be understood that the examples are not intended to limit the scope of the invention. In addition, it should be understood that various changes and modifications may be made by those skilled in the art in the form of the present invention.
如图1至8所示，一种带有液压操纵机构的变速装置，包括输入太阳轮总成1、行星轮总成2、行星架总成4和输出太阳轮总成3，所述输入太阳轮总成1、行星架总成4和输出太阳轮总成3具有重合的旋转轴线并且互相之间能相对转动，所述行星架总成4包括行星架内壳41和行星架外壳42，其特征在于：还包括离合器机构5以及制动带机构6或二级离合器机构8，所述离合器机构5内部安装在有液压油缸57，所述制动带机构6内部安装在有制动液压油缸64，所述二级离合器机构8内部安装在有二级液压油缸87，所述液压油缸57以及制动液压油缸64或二级液压油缸87通过油路7连接液压控制系统9，所述液压油缸57与制动液压油缸64或二级液压油缸87的启动压力不同，所述液压控制系统9通过调节输出压力控制离合器机构5、制动带机构6或二级离合器机构8的分离与接合。As shown in FIGS. 1 to 8, a shifting device with a hydraulic operating mechanism includes an input sun gear assembly 1, a planetary gear assembly 2, a carrier assembly 4, and an output sun gear assembly 3, said input sun The wheel assembly 1, the planet carrier assembly 4 and the output sun gear assembly 3 have coincident rotational axes and are relatively rotatable relative to one another, the planet carrier assembly 4 including a planet carrier inner casing 41 and a planet carrier housing 42 The utility model is characterized in that it further comprises a clutch mechanism 5 and a brake belt mechanism 6 or a two-stage clutch mechanism 8. The clutch mechanism 5 is internally mounted with a hydraulic cylinder 57, and the brake belt mechanism 6 is internally mounted with a brake hydraulic cylinder 64. The secondary clutch mechanism 8 is internally mounted with a secondary hydraulic cylinder 87. The hydraulic cylinder 57 and the brake hydraulic cylinder 64 or the secondary hydraulic cylinder 87 are connected to the hydraulic control system 9 via an oil passage 7, which is 57. Unlike the starting pressure of the brake hydraulic cylinder 64 or the secondary hydraulic cylinder 87, the hydraulic control system 9 controls the separation and engagement of the clutch mechanism 5, the brake band mechanism 6, or the secondary clutch mechanism 8 by adjusting the output pressure.
所述离合器机构5包括花键毂53、液压油缸57和离合器鼓58，所述花键毂53固定于所述输入轴总成1或者输出轴总成3上，所述花键毂53外装有相配的离合器鼓58，所述花键毂53通过内花键连接摩擦片51，所述摩擦片51相对于所述花键毂53沿轴向往复移动，所述离合器鼓58固定在所述行星架总成4上、内部装有离合器活塞56，所述离合器鼓58通过外花键连接钢片52，所述钢片52相对于所述离合器鼓58沿轴向往复移动，所述摩擦片51和所述钢片52相间布置，并通过安装在离合器鼓58内的挡圈59限定所述摩擦片51和钢片52的轴向极限位置，所述离合器活塞56与离合器鼓58之间装有回位弹簧54和弹簧座55，所述回位弹簧54设置于离合器活塞56和弹簧座55之间，所述离合器鼓58上装有液压油缸57控制离合器活塞56沿离合器鼓58轴向运动，所述液压油缸57连接油路7、并受油路7所连接的液压控制系统9控制。The clutch mechanism 5 includes a spline hub 53, a hydraulic cylinder 57 and a clutch drum 58, and the spline hub 53 is fixed to the input shaft assembly 1 or the output shaft assembly 3, and the spline hub 53 is externally mounted. a matching clutch drum 58, which is connected to the friction plate 51 by internal splines, the friction plate 51 reciprocating axially relative to the spline hub 53, the clutch drum 58 being fixed to the planet The frame assembly 4 is internally provided with a clutch piston 56 which is connected to the steel sheet 52 by external splines. The steel sheet 52 reciprocates axially relative to the clutch drum 58, the friction plate 51. Arranged with the steel sheet 52 and defining an axial extreme position of the friction plate 51 and the steel sheet 52 by a retaining ring 59 mounted in the clutch drum 58, between the clutch piston 56 and the clutch drum 58 a return spring 54 and a spring seat 55, the return spring 54 is disposed between the clutch piston 56 and the spring seat 55, and the clutch drum 58 is provided with a hydraulic cylinder 57 for controlling the axial movement of the clutch piston 56 along the clutch drum 58. The hydraulic cylinder 57 is connected to the oil passage 7 and is connected to the liquid connected to the oil passage 7 9 control system.
所述离合器鼓58安装在所述行星架内壳41或者行星架外壳42上。 The clutch drum 58 is mounted on the carrier inner casing 41 or the planet carrier housing 42.
所述制动带机构6安装在变速装置外部壳体0上，所述制动带机构6包括制动带61，所述制动带61与所述行星架总成4的制动鼓42外形相配、并套置于所述制动鼓42的外面，所述制动带61的两端分别与设置在壳体0上的制动带顶杆62和制动液压油缸64连接，所述制动带顶杆62顶住制动带61的一端，所述制动液压油缸64的活塞65与制动带61的另一端连接，所述制动液压油缸64与油路7相接并固定于壳体0上。The brake band mechanism 6 is mounted on a transmission outer casing 0, the brake band mechanism 6 including a brake band 61, and the brake band 61 and the brake drum 42 of the carrier assembly 4 Matching and sleeved on the outside of the brake drum 42, the two ends of the brake band 61 are respectively connected with the brake band ejector 62 and the brake hydraulic cylinder 64 disposed on the casing 0, The movable ejector pin 62 is pressed against one end of the brake band 61. The piston 65 of the brake hydraulic cylinder 64 is connected to the other end of the brake band 61. The brake hydraulic cylinder 64 is connected to the oil passage 7 and fixed to the brake circuit. On the housing 0.
所述制动液压油缸64内活塞65带有活塞杆63的一侧为充油空腔、另一侧为回弹腔，所述回弹腔内活塞65与制动液压油缸64之间装有制动带压紧弹簧66和弹簧座67，为制动带61的接合提供压紧力。In the brake hydraulic cylinder 64, the piston 65 has a piston rod 63 on one side of which is an oil-filled cavity, and the other side is a resilience chamber, and the rebound chamber inner piston 65 and the brake hydraulic cylinder 64 are installed. The brake band pressing spring 66 and the spring seat 67 provide a pressing force for the engagement of the brake band 61.
所述离合器鼓58安装在所述行星架内壳41上，所述行星架外壳42或者离合器鼓58上装有二级离合器机构8，所述二级离合器机构8包括二级花键毂83、二级液压油缸87和二级花键鼓88，所述二级花键毂83固定于所述输入轴总成1或者输出轴总成3上，所述二级花键毂83外装有相配的二级离合器鼓88，所述二级花键毂83通过内花键连接二级摩擦片81，所述二级摩擦片81相对于所述二级花键毂83沿轴向往复移动，所述二级离合器鼓88固定在壳体0上、外部装有二级离合器活塞86和二级液压油缸87，所述二级离合器鼓88通过外花键连二级接钢片82，所述二级钢片82相对于所述二级离合器鼓88沿轴向往复移动，所述二级摩擦片81和所述二级钢片82相间布置，并通过安装在二级离合器鼓88内的二级挡圈89限定所述二级摩擦片81和二级钢片82的轴向极限位置，所述二级液压油缸87包括二级弹簧座85，所述二级弹簧座85和二级离合器活塞86之间装有二级回位弹簧84，所述二级液压油缸57控制二级离合器活塞86沿二级离合器鼓88轴向运动，所述二级液压油缸87连接油路7、并受油路7所连接的液压控制系统9控制。The clutch drum 58 is mounted on the carrier inner casing 41. The carrier housing 42 or the clutch drum 58 is provided with a secondary clutch mechanism 8, and the secondary clutch mechanism 8 includes a secondary spline hub 83, two a hydraulic cylinder 87 and a secondary spline drum 88, the secondary spline hub 83 is fixed to the input shaft assembly 1 or the output shaft assembly 3, and the secondary spline hub 83 is provided with a matching two a stage clutch drum 88, the secondary spline hub 83 is connected to the secondary friction plate 81 by internal splines, and the secondary friction plate 81 reciprocates axially relative to the secondary splined hub 83, the second The stage clutch drum 88 is fixed on the casing 0, and is externally equipped with a secondary clutch piston 86 and a secondary hydraulic cylinder 87. The secondary clutch drum 88 is connected to the secondary steel plate 82 by an external spline, the secondary steel The sheet 82 reciprocates axially relative to the secondary clutch drum 88, and the secondary friction plate 81 and the secondary steel sheet 82 are disposed between each other and pass through a secondary retaining ring mounted in the secondary clutch drum 88. 89 defines an axial limit position of the secondary friction plate 81 and the secondary steel plate 82, and the secondary hydraulic cylinder 87 includes two stages A spring seat 85, a secondary return spring 84 is disposed between the secondary spring seat 85 and the secondary clutch piston 86, and the secondary hydraulic cylinder 57 controls the secondary clutch piston 86 to move axially along the secondary clutch drum 88. The secondary hydraulic cylinder 87 is connected to the oil passage 7 and is controlled by a hydraulic control system 9 to which the oil passage 7 is connected.
所述离合器鼓58安装在所述行星架外壳42上，所述行星架内壳41或者离合器鼓58上装有二级离合器机构8，所述二级离合器机构8包括二级花键毂83、二级液压油缸87和二级花键鼓88，所述二级花键毂83固定于所述输入轴总成1或者输出轴总成3上，所述二级花键毂83外装有相配的二级离合器鼓88，所述二级花键毂83通过内花键连接二级摩擦片81，所述二级摩擦片81相对于所述二级花键毂83沿轴向往复移动，所述二级离合器鼓88固定在壳体0上、外部装有二级离合器活塞86和二级液压油缸87，所述二级离合器鼓88通过外花键连二级接钢片82，所述二级钢片82相对于所述二级离合器鼓88沿轴向往复移动，所述二级摩擦片81和所述二级钢片82相间布置，并通过安装在二级离合器鼓88内的二级挡圈89限定所述二级摩擦片81和二级钢片82的轴向极限位置，所述二级液压油缸87包括二级弹簧座85，所述二级弹簧座85和二级离合器活塞86之间装有二级 回位弹簧84，所述二级液压油缸57控制二级离合器活塞86沿二级离合器鼓88轴向运动，所述二级液压油缸87连接油路7、并受油路7所连接的液压控制系统9控制。The clutch drum 58 is mounted on the planet carrier housing 42. The carrier inner casing 41 or the clutch drum 58 is provided with a secondary clutch mechanism 8, and the secondary clutch mechanism 8 includes a secondary spline hub 83, two. a hydraulic cylinder 87 and a secondary spline drum 88, the secondary spline hub 83 is fixed to the input shaft assembly 1 or the output shaft assembly 3, and the secondary spline hub 83 is provided with a matching two a stage clutch drum 88, the secondary spline hub 83 is connected to the secondary friction plate 81 by internal splines, and the secondary friction plate 81 reciprocates axially relative to the secondary splined hub 83, the second The stage clutch drum 88 is fixed on the casing 0, and is externally equipped with a secondary clutch piston 86 and a secondary hydraulic cylinder 87. The secondary clutch drum 88 is connected to the secondary steel plate 82 by an external spline, the secondary steel The sheet 82 reciprocates axially relative to the secondary clutch drum 88, and the secondary friction plate 81 and the secondary steel sheet 82 are disposed between each other and pass through a secondary retaining ring mounted in the secondary clutch drum 88. 89 defines an axial limit position of the secondary friction plate 81 and the secondary steel plate 82, and the secondary hydraulic cylinder 87 includes two stages Spring seat 85, between the secondary spring seat 85 and the secondary clutch piston 86 a return spring 84, the secondary hydraulic cylinder 57 controls the secondary clutch piston 86 to move axially along the secondary clutch drum 88. The secondary hydraulic cylinder 87 is connected to the oil passage 7 and is hydraulically controlled by the oil passage 7. System 9 controls.
所述行星轮总成2安装于所述行星架总成4上，每个所述行星轮总成2包括两个同轴行星轮21、22，所述两个行星轮21、22固定连接，所述两个行星轮中的一个行星轮21与输入太阳轮总成1的输入太阳轮11相啮合而另一个行星轮22与输出太阳轮总成3的输出太阳轮31相啮合，所述输入太阳轮总成1构成变速机构的输入端，所述输出太阳轮总成3构成变速机构的输出端。The planet gear assembly 2 is mounted on the planet carrier assembly 4, each of the planet gear assemblies 2 comprising two coaxial planet wheels 21, 22, the two planet wheels 21, 22 being fixedly connected, One of the two planet wheels 21 meshes with the input sun gear 11 of the input sun gear assembly 1 and the other planet gear 22 meshes with the output sun gear 31 of the output sun gear assembly 3, said input The sun gear assembly 1 constitutes the input end of the shifting mechanism, and the output sun gear assembly 3 constitutes the output end of the shifting mechanism.
在实际使用中，所述制动带机构6(或二级离合器机构8)为常接合状态而所述离合器机构5为常分离状态；常接合状态的制动带机构6(或者二级离合器机构8)采用弹簧66(或者二级弹簧84)或者其他弹性元件作用力使之压紧，采用液压力使之分离；常分离状态的离合器机构5采用液压力使之压紧，采用弹簧54或者其他弹性元件作用力使之分离；所述制动带机构6的制动液压油缸64(或二级离合器机构8的二级液压油缸87)以及所述离合器机构5的液压油缸58通过油路7连通；一条液压控制油路9通过压强变化直接控制两个执行机构——所述制动带机构6(或二级离合器机构8)以及所述离合器机构5的分离与接合或接合与分离，即：通过所述制动带机构6(或二级离合器机构8)的液压油缸和所述离合器机构5的液压油缸中的压强变化实现常接合状态的制动带机构6(或者二级离合器机构8)的分离以及常分离状态的离合器机构5的接合。In actual use, the brake band mechanism 6 (or the secondary clutch mechanism 8) is in a normally engaged state and the clutch mechanism 5 is in a normally disengaged state; the brake band mechanism 6 in a normally engaged state (or a two-stage clutch mechanism) 8) The spring 66 (or the secondary spring 84) or other elastic element is pressed to press it, and the hydraulic pressure is used to separate it; the clutch mechanism 5 in the normally separated state is pressed by the hydraulic pressure, using the spring 54 or the like. The elastic member forces the motor to be separated; the brake hydraulic cylinder 64 of the brake band mechanism 6 (or the secondary hydraulic cylinder 87 of the secondary clutch mechanism 8) and the hydraulic cylinder 58 of the clutch mechanism 5 are connected through the oil passage 7. A hydraulic control oil passage 9 directly controls the separation and engagement or engagement and disengagement of the two actuators, the brake belt mechanism 6 (or the secondary clutch mechanism 8) and the clutch mechanism 5, by means of pressure changes, ie: The brake band mechanism 6 (or the secondary clutch mechanism 8) in the normally engaged state is realized by the pressure change in the hydraulic cylinder of the brake band mechanism 6 (or the secondary clutch mechanism 8) and the hydraulic cylinder of the clutch mechanism 5 Separation and engagement of the clutch mechanism 5 is normally disengaged state.
如图1至4所示的变速装置，所述制动带机构6中，制动带压紧弹簧66布置于弹簧座67和活塞65之间，为制动带61的接合提供压紧力，弹簧座67与壳体0相固定，制动液压油缸64的充油空腔充油时将克服压紧弹簧66的弹簧力使得制动带61分离。In the shifting device shown in FIGS. 1 to 4, in the brake band mechanism 6, a brake band pressing spring 66 is disposed between the spring seat 67 and the piston 65 to provide a pressing force for the engagement of the brake band 61. The spring seat 67 is fixed to the housing 0. When the oil-filled cavity of the brake hydraulic cylinder 64 is filled with oil, the spring force of the compression spring 66 is overcome to separate the brake band 61.
如图5至8所示的变速装置，所述二级离合器机构8与所述行星架总成4相连接；只要布置空间允许，所述二级离合器机构8可以布置在输出端(如图5、7)或者布置在输入端(如图6、8)，所述二级离合器机构8和所述离合器机构5可以布置于变速机构的同一侧(均位于输入端(如图7)或者输出端(如图8))，也可以分置于变速机构的两侧(如图5、6)。当所述液二级压油缸87不充油或者充油压力小于所述压二级紧弹簧84作用力时，在所述二级压紧弹簧84作用下，所述二级离合器活塞86压向所述二级摩擦片81和所述二级钢片82，由于所述二级挡圈89的阻挡使得所述二级摩擦片81和所述二级钢片82之间产生压力，从而产生摩擦扭矩，所述二级离合器机构8处于接合状态；当所述二级液压油缸87充油压力大于所述二级压紧弹簧84作用力时，油压推动所述二级离合器活塞86克服所述二级压紧弹簧84的作用力向远离所述二级摩擦片81和所述二级钢片82的方 向移动，从而所述二级离合器机构8处于分离状态。As shown in FIGS. 5 to 8, the two-stage clutch mechanism 8 is coupled to the carrier assembly 4; the secondary clutch mechanism 8 may be disposed at the output end as long as the arrangement space permits (FIG. 5) 7) or arranged at the input end (as shown in FIGS. 6 and 8), the two-stage clutch mechanism 8 and the clutch mechanism 5 may be arranged on the same side of the shifting mechanism (both at the input end (as shown in FIG. 7) or at the output end (Figure 8)), can also be placed on both sides of the shifting mechanism (Figure 5, 6). When the liquid secondary pressure cylinder 87 is not filled with oil or the oil filling pressure is less than the pressing force of the secondary secondary spring 84, the secondary clutch piston 86 is pressed by the secondary compression spring 84. The secondary friction plate 81 and the secondary steel plate 82 generate pressure between the secondary friction plate 81 and the secondary steel plate 82 due to the blocking of the secondary retaining ring 89, thereby generating friction Torque, the secondary clutch mechanism 8 is in an engaged state; when the secondary hydraulic cylinder 87 oil filling pressure is greater than the secondary compression spring 84 acting force, the hydraulic pressure pushes the secondary clutch piston 86 to overcome the The force of the secondary compression spring 84 is away from the side of the secondary friction plate 81 and the secondary steel plate 82. The movement is moved so that the secondary clutch mechanism 8 is in the disengaged state.
如图1以及3至8所示的变速装置，只要布置空间允许，所述离合器机构5可以布置在输入端(如图4、5、7)或者布置在输出端(如图1、3、6、8)，所述液压油缸57与油路7相通并与弹簧座55和离合器鼓58相连接；当所述液压油缸57充油压力大于所述回位弹簧54作用力时，油压推动所述离合器活塞56克服所述回位弹簧54的作用力压向所述摩擦片51和所述钢片52，由于所述挡圈59的阻挡使得所述摩擦片51和所述钢片52之间产生压力，从而产生摩擦扭矩，所述离合器机构5处于接合状态；当所述液压油缸57泄油或者充油压力小于所述回位弹簧54作用力时，在所述回位弹簧54作用下，所述离合器活塞56向远离所述摩擦片51和所述钢片52的方向移动，从而所述离合器机构5处于分离状态。As shown in Figures 1 and 3 to 8, the clutch mechanism 5 can be arranged at the input (as in Figures 4, 5, 7) or at the output (as in Figures 1, 3, 6) as long as the arrangement space permits. 8), the hydraulic cylinder 57 communicates with the oil passage 7 and is connected with the spring seat 55 and the clutch drum 58; when the oil pressure of the hydraulic cylinder 57 is greater than the force of the return spring 54, the hydraulic pressure pusher The clutch piston 56 is pressed against the friction plate 51 and the steel sheet 52 against the urging force of the return spring 54, and the friction plate 51 and the steel piece 52 are blocked by the blocking of the retaining ring 59. Producing a pressure to generate a friction torque, the clutch mechanism 5 is in an engaged state; when the hydraulic cylinder 57 is drained or the oil-filling pressure is less than the urging force of the return spring 54, under the action of the return spring 54, The clutch piston 56 is moved away from the friction plate 51 and the steel sheet 52, so that the clutch mechanism 5 is in a disengaged state.
变速装置的原理如下：当所述制动带机构6(或二级离合器机构8)在所述制动带压紧弹簧66(或二级压紧弹簧84)作用下处于接合状态，作用在所述行星架总成4上的摩擦扭矩使其保持架静止不动，同时所述离合器机构5在回位弹簧54作用下处于分离状态，此工况为定轴传动工况，动力传递路线为：输入太阳轮轴12→输入太阳轮11→行星齿轮21→行星齿轮22→输出太阳轮31→输出太阳轮轴32，可实现传动比i；当所述制动带机构6(或二级离合器机构8)的液压油缸中的液压力大于所述制动带压紧弹簧66(或二级压紧弹簧84)的压紧力，制动机构处于分离状态，同时所述离合器机构的活塞56在液压油缸液压力的作用下克服在回位弹簧54作用力压向所述摩擦片51和钢片52，从而所述摩擦片51和钢片52之间产生摩擦扭矩，所述离合器机构5处于接合状态，这样所述输入太阳轮总成1(或者所述输出太阳轮总成3)与所述行星架总成4成为一个整体，从而整个变速机构为一个整体旋转，此工况为刚体旋转工况，可实现传动比1。The principle of the shifting device is as follows: when the brake band mechanism 6 (or the secondary clutch mechanism 8) is engaged by the brake band pressing spring 66 (or the secondary pressing spring 84), the action is applied to The frictional torque on the planet carrier assembly 4 causes the cage to be stationary, and the clutch mechanism 5 is in a disengaged state under the action of the return spring 54. This condition is a fixed-shaft transmission condition, and the power transmission route is: Input the sun gear shaft 12 → input sun gear 11 → planetary gear 21 → planetary gear 22 → output sun gear 31 → output sun gear shaft 32, the gear ratio i can be realized; when the brake belt mechanism 6 (or the second clutch mechanism 8) The hydraulic pressure in the hydraulic cylinder is greater than the pressing force of the brake band compression spring 66 (or the secondary compression spring 84), the brake mechanism is in a disengaged state, and the piston 56 of the clutch mechanism is in the hydraulic cylinder hydraulic pressure Under the action of the force, the force of the return spring 54 is pressed against the friction plate 51 and the steel sheet 52, so that a friction torque is generated between the friction plate 51 and the steel piece 52, and the clutch mechanism 5 is in the engaged state, The input sun gear assembly 1 (or The output sun gear assembly 3) is integrated with the carrier assembly 4, so that the entire shifting mechanism is rotated as a whole. This condition is a rigid body rotating condition, and the transmission ratio 1 can be realized.
以制动机构为制动带机构为例来具体分析，上述两者工况——定轴传动工况和刚体旋转工况，描述如下：Taking the brake mechanism as the brake band mechanism as an example for specific analysis, the above two working conditions - fixed shaft transmission condition and rigid body rotation condition are described as follows:
定轴传动工况：0≤p<P1Fixed shaft drive condition: 0≤p<P1
空挡工况：P1<p<P2Neutral condition: P1<p<P2
刚体旋转工况：P2<p<PMRigid body rotation condition: P2<p<PM
P1＝F66/S65P1=F66/S65
P2＝F54/S56P2=F54/S56
其中：among them:
p——液压控制油路9中液压油压强 p——Hydraulic oil pressure in hydraulic control oil circuit 9
P1——制动带机构6刚刚完全分离的临界压强P1——critical pressure of the brake belt mechanism 6 just completely separated
P2——离合器机构5刚刚接合的临界压强P2 - the critical pressure at which the clutch mechanism 5 has just engaged
PM——刚体旋转工况时，液压控制油路9中压强PM——Hydraulic control oil circuit 9 medium pressure when rigid body rotating condition
S65——制动带机构6液压油缸活塞65面积S65——Brake belt mechanism 6 hydraulic cylinder piston 65 area
F66——制动带机构压紧弹簧66的弹簧力F66——The spring force of the brake band mechanism pressing spring 66
S56——离合器机构5液压油缸活塞56面积S56——Clutch mechanism 5 hydraulic cylinder piston 56 area
F54——离合器机构5回位弹簧54的弹簧力 F54——The spring force of the clutch mechanism 5 return spring 54

Claims (8)

  1. 一种带有液压操纵机构的变速装置，包括输入太阳轮总成(1)、行星轮总成(2)、行星架总成(4)和输出太阳轮总成(3)，所述输入太阳轮总成(1)、行星架总成(4)和输出太阳轮总成(3)具有重合的旋转轴线并且互相之间能相对转动，所述行星架总成(4)包括行星架内壳(41)和行星架外壳(42)，其特征在于：还包括离合器机构(5)以及制动带机构(6)或二级离合器机构(8)，所述离合器机构(5)内部安装在有液压油缸(57)，所述制动带机构(6)内部安装在有制动液压油缸(64)，所述二级离合器机构(8)内部安装在有二级液压油缸(87)，所述液压油缸(57)以及制动液压油缸(64)或二级液压油缸(87)通过油路(7)连接液压控制系统(9)，所述液压油缸(57)与制动液压油缸(64)或二级液压油缸(87)的启动压力不同，所述液压控制系统(9)通过调节输出压力控制离合器机构(5)、制动带机构(6)或二级离合器机构(8)的分离与接合。A shifting device with a hydraulic operating mechanism including an input sun gear assembly (1), a planetary gear assembly (2), a planet carrier assembly (4), and an output sun gear assembly (3), said input sun The wheel assembly (1), the planet carrier assembly (4) and the output sun gear assembly (3) have coincident axes of rotation and are rotatable relative to one another, the planet carrier assembly (4) including the planet carrier inner casing (41) and a carrier housing (42), characterized by further comprising a clutch mechanism (5) and a brake band mechanism (6) or a two-stage clutch mechanism (8), the clutch mechanism (5) being internally mounted a hydraulic cylinder (57), the brake band mechanism (6) is internally mounted with a brake hydraulic cylinder (64), and the secondary clutch mechanism (8) is internally mounted with a secondary hydraulic cylinder (87), The hydraulic cylinder (57) and the brake hydraulic cylinder (64) or the secondary hydraulic cylinder (87) are connected to the hydraulic control system (9) via an oil passage (7), the hydraulic cylinder (57) and the brake hydraulic cylinder (64) Or the starting pressure of the secondary hydraulic cylinder (87) is different, the hydraulic control system (9) controls the clutch mechanism (5), the brake belt mechanism (6) or the secondary clutch machine by adjusting the output pressure. (8) is separated from the engagement.
  2. 根据权利要求1所述的一种带有液压操纵机构的变速装置，其特征在于：所述离合器机构(5)包括花键毂(53)、液压油缸(57)和离合器鼓(58)，所述花键毂(53)固定于所述输入轴总成(1)或者输出轴总成(3)上，所述花键毂(53)外装有相配的离合器鼓(58)，所述花键毂(53)通过内花键连接摩擦片(51)，所述摩擦片(51)相对于所述花键毂(53)沿轴向往复移动，所述离合器鼓(58)固定在所述行星架总成(4)上、内部装有离合器活塞(56)，所述离合器鼓(58)通过外花键连接钢片(52)，所述钢片(52)相对于所述离合器鼓(58)沿轴向往复移动，所述摩擦片(51)和所述钢片(52)相间布置，并通过安装在离合器鼓(58)内的挡圈(59)限定所述摩擦片(51)和钢片(52)的轴向极限位置，所述离合器活塞(56)与离合器鼓(58)之间装有回位弹簧(54)和弹簧座(55)，所述回位弹簧(54)设置于离合器活塞(56)和弹簧座(55)之间，所述离合器鼓(58)上装有液压油缸(57)控制离合器活塞(56)沿离合器鼓(58)轴向运动，所述液压油缸(57)连接油路(7)、并受油路(7)所连接的液压控制系统(9)控制。A shifting device with a hydraulic operating mechanism according to claim 1, wherein said clutch mechanism (5) comprises a splined hub (53), a hydraulic cylinder (57) and a clutch drum (58). The spline hub (53) is fixed to the input shaft assembly (1) or the output shaft assembly (3), and the spline hub (53) is provided with a matching clutch drum (58), the spline The hub (53) is connected to the friction plate (51) by internal splines, the friction plate (51) is axially reciprocated relative to the spline hub (53), and the clutch drum (58) is fixed to the planet A clutch piston (56) is mounted on the frame assembly (4), and the clutch drum (58) is connected to the steel sheet (52) by external splines, and the steel sheet (52) is opposite to the clutch drum (58). Reciprocatingly moving in the axial direction, the friction plate (51) and the steel sheet (52) are arranged between each other, and the friction plate (51) is defined by a retaining ring (59) installed in the clutch drum (58) and The axial limit position of the steel sheet (52), a return spring (54) and a spring seat (55) are disposed between the clutch piston (56) and the clutch drum (58), and the return spring (54) is disposed Between the clutch piston (56) and the spring seat (55) A clutch cylinder (58) is provided with a hydraulic cylinder (57) for controlling the axial movement of the clutch piston (56) along the clutch drum (58). The hydraulic cylinder (57) is connected to the oil passage (7) and is subjected to the oil passage (7). The connected hydraulic control system (9) is controlled.
  3. 根据权利要求2所述的一种带有液压操纵机构的变速装置，其特征在于：所述离合器鼓(58)安装在所述行星架内壳(41)或者行星架外壳(42)上。A shifting device with a hydraulic operating mechanism according to claim 2, wherein said clutch drum (58) is mounted on said carrier inner casing (41) or planet carrier housing (42).
  4. 根据权利要求2所述的一种带有液压操纵机构的变速装置，其特征在于：所述制动带机构(6)安装在变速装置外部壳体(0)上，所述制动带机构(6)包括制动带(61)，所述制动带(61)与所述行星架总成(4)的制动鼓(42)外形相配、并套置于所述制动鼓(42)的外面，所述制动带(61)的两端分别与设置在壳体(0)上的制动带 顶杆(62)和制动液压油缸(64)连接，所述制动带顶杆(62)顶住制动带(61)的一端，所述制动液压油缸(64)的活塞(65)与制动带(61)的另一端连接，所述制动液压油缸(64)与油路(7)相接并固定于壳体(0)上。A shifting device with a hydraulic operating mechanism according to claim 2, wherein said brake band mechanism (6) is mounted on a shifting device outer casing (0), said brake band mechanism ( 6) comprising a brake band (61), the brake band (61) is matched with the shape of the brake drum (42) of the carrier assembly (4), and is sleeved on the brake drum (42) Outside, the two ends of the brake band (61) and the brake band disposed on the housing (0) The jack (62) is coupled to a brake hydraulic cylinder (64) that bears against one end of the brake band (61), and the piston (65) of the brake hydraulic cylinder (64) Connected to the other end of the brake band (61), the brake hydraulic cylinder (64) is in contact with the oil passage (7) and is fixed to the housing (0).
  5. 根据权利要求4所述的一种带有液压操纵机构的变速装置，其特征在于：所述制动液压油缸(64)内活塞(65)带有活塞杆(63)的一侧为充油空腔、另一侧为回弹腔，所述回弹腔内活塞(65)与制动液压油缸(64)之间装有制动带压紧弹簧(66)和弹簧座(67)，为制动带(61)的接合提供压紧力。A shifting device with a hydraulic operating mechanism according to claim 4, characterized in that the side of the piston (65) with the piston rod (63) in the brake hydraulic cylinder (64) is filled with oil. The cavity and the other side are resilience chambers, and a brake band pressing spring (66) and a spring seat (67) are arranged between the piston (65) in the rebound chamber and the brake hydraulic cylinder (64). The engagement of the moving belt (61) provides a pressing force.
  6. 根据权利要求2所述的一种带有液压操纵机构的变速装置，其特征在于：所述离合器鼓(58)安装在所述行星架内壳(41)上，所述行星架外壳(42)或者离合器鼓(58)上装有二级离合器机构(8)，所述二级离合器机构(8)包括二级花键毂(83)、二级液压油缸(87)和二级花键鼓(88)，所述二级花键毂(83)固定于所述输入轴总成(1)或者输出轴总成(3)上，所述二级花键毂(83)外装有相配的二级离合器鼓(88)，所述二级花键毂(83)通过内花键连接二级摩擦片(81)，所述二级摩擦片(81)相对于所述二级花键毂(83)沿轴向往复移动，所述二级离合器鼓(88)固定在壳体(0)上、外部装有二级离合器活塞(86)和二级液压油缸(87)，所述二级离合器鼓(88)通过外花键连二级接钢片(82)，所述二级钢片(82)相对于所述二级离合器鼓(88)沿轴向往复移动，所述二级摩擦片(81)和所述二级钢片(82)相间布置，并通过安装在二级离合器鼓(88)内的二级挡圈(89)限定所述二级摩擦片(81)和二级钢片(82)的轴向极限位置，所述二级液压油缸(87)包括二级弹簧座(85)，所述二级弹簧座(85)和二级离合器活塞(86)之间装有二级回位弹簧(84)，所述二级液压油缸(57)控制二级离合器活塞(86)沿二级离合器鼓(88)轴向运动，所述二级液压油缸(87)连接油路(7)、并受油路(7)所连接的液压控制系统(9)控制。A shifting device with a hydraulic operating mechanism according to claim 2, wherein said clutch drum (58) is mounted on said carrier inner casing (41), said carrier housing (42) Or the clutch drum (58) is provided with a two-stage clutch mechanism (8) including a secondary spline hub (83), a secondary hydraulic cylinder (87) and a secondary spline drum (88). The secondary spline hub (83) is fixed to the input shaft assembly (1) or the output shaft assembly (3), and the secondary spline hub (83) is provided with a matching secondary clutch a drum (88), the secondary splined hub (83) is connected to the secondary friction plate (81) by internal splines, the secondary friction plate (81) being along the secondary splined hub (83) Axial reciprocating movement, the secondary clutch drum (88) is fixed on the casing (0), and externally equipped with a secondary clutch piston (86) and a secondary hydraulic cylinder (87), the secondary clutch drum (88) Connecting the secondary steel sheet (82) by an external spline, the secondary steel sheet (82) reciprocating axially relative to the secondary clutch drum (88), the secondary friction plate (81) Arranged between the secondary steel sheets (82) and installed A secondary retaining ring (89) in the secondary clutch drum (88) defines an axial extreme position of the secondary friction plate (81) and the secondary steel plate (82), the secondary hydraulic cylinder (87) including a secondary spring seat (85), a secondary return spring (84) is disposed between the secondary spring seat (85) and the secondary clutch piston (86), and the secondary hydraulic cylinder (57) controls the secondary The clutch piston (86) moves axially along the secondary clutch drum (88), and the secondary hydraulic cylinder (87) is connected to the oil passage (7) and is controlled by a hydraulic control system (9) connected by the oil passage (7). .
  7. 根据权利要求2所述的一种带有液压操纵机构的变速装置，其特征在于：所述离合器鼓(58)安装在所述行星架外壳(42)上，所述行星架内壳(41)或者离合器鼓(58)上装有二级离合器机构(8)，所述二级离合器机构(8)包括二级花键毂(83)、二级液压油缸(87)和二级花键鼓(88)，所述二级花键毂(83)固定于所述输入轴总成(1)或者输出轴总成(3)上，所述二级花键毂(83)外装有相配的二级离合器鼓(88)，所述二级花键毂(83)通过内花键连接二级摩擦片(81)，所述二级摩擦片(81)相对于所述二级花键毂(83)沿轴向往复移动，所述二级离合器鼓(88)固定在壳体(0)上、外部装有二级离合器活塞(86)和二级液压油缸(87)，所述二级离合器鼓(88) 通过外花键连二级接钢片(82)，所述二级钢片(82)相对于所述二级离合器鼓(88)沿轴向往复移动，所述二级摩擦片(81)和所述二级钢片(82)相间布置，并通过安装在二级离合器鼓(88)内的二级挡圈(89)限定所述二级摩擦片(81)和二级钢片(82)的轴向极限位置，所述二级液压油缸(87)包括二级弹簧座(85)，所述二级弹簧座(85)和二级离合器活塞(86)之间装有二级回位弹簧(84)，所述二级液压油缸(57)控制二级离合器活塞(86)沿二级离合器鼓(88)轴向运动，所述二级液压油缸(87)连接油路(7)、并受油路(7)所连接的液压控制系统(9)控制。A shifting device with a hydraulic operating mechanism according to claim 2, wherein said clutch drum (58) is mounted on said carrier housing (42), said carrier inner casing (41) Or the clutch drum (58) is provided with a two-stage clutch mechanism (8) including a secondary spline hub (83), a secondary hydraulic cylinder (87) and a secondary spline drum (88). The secondary spline hub (83) is fixed to the input shaft assembly (1) or the output shaft assembly (3), and the secondary spline hub (83) is provided with a matching secondary clutch a drum (88), the secondary splined hub (83) is connected to the secondary friction plate (81) by internal splines, the secondary friction plate (81) being along the secondary splined hub (83) Axial reciprocating movement, the secondary clutch drum (88) is fixed on the casing (0), and externally equipped with a secondary clutch piston (86) and a secondary hydraulic cylinder (87), the secondary clutch drum (88) ) The secondary steel sheet (82) is reciprocally moved relative to the secondary clutch drum (88) by external splines, the secondary friction plate (81) and The secondary steel sheets (82) are arranged one another and define the secondary friction plates (81) and secondary steel sheets (82) by secondary retaining rings (89) mounted in the secondary clutch drum (88). The axial limit position, the secondary hydraulic cylinder (87) includes a secondary spring seat (85), and a secondary return spring is disposed between the secondary spring seat (85) and the secondary clutch piston (86) (84), the secondary hydraulic cylinder (57) controls the secondary clutch piston (86) to move axially along the secondary clutch drum (88), the secondary hydraulic cylinder (87) is connected to the oil passage (7), and Controlled by the hydraulic control system (9) connected to the oil circuit (7).
  8. 根据权利要求1所述的一种带有液压操纵机构的变速装置，其特征在于：所述行星轮总成(2)安装于所述行星架总成(4)上，每个所述行星轮总成(2)包括两个同轴行星轮(21、22)，所述两个行星轮(21、22)固定连接，所述两个行星轮中的一个行星轮(21)与输入太阳轮总成(1)的输入太阳轮(11)相啮合而另一个行星轮(22)与输出太阳轮总成(3)的输出太阳轮(31)相啮合，所述输入太阳轮总成(1)构成变速机构的输入端，所述输出太阳轮总成(3)构成变速机构的输出端。 A shifting device with a hydraulic operating mechanism according to claim 1 wherein said planetary gear assembly (2) is mounted to said planet carrier assembly (4), each of said planet wheels The assembly (2) comprises two coaxial planet wheels (21, 22), the two planet wheels (21, 22) being fixedly connected, one of the two planet wheels (21) and the input sun gear The input sun gear (11) of the assembly (1) is engaged and the other planet gear (22) is meshed with the output sun gear (31) of the output sun gear assembly (3), the input sun gear assembly (1) The input end of the shifting mechanism is formed, and the output sun gear assembly (3) constitutes an output end of the shifting mechanism.
PCT/CN2015/077663 2014-05-12 2015-04-28 Speed change device with hydraulic manipulation mechanism WO2015172655A1 (en)

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CN106594192A (en) * 2016-12-23 2017-04-26 陕西国力信息技术有限公司 Modular combined transmission
CN107677470A (en) * 2017-11-10 2018-02-09 哈尔滨东安汽车发动机制造有限公司 A kind of automatic transmission brake bush experimental rig
CN114263712A (en) * 2021-12-30 2022-04-01 上海振华重工集团(南通)传动机械有限公司 Hydraulic pressure double speed hard rock entry driving machine owner that shifts drives planetary gear box
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CN106594191A (en) * 2016-12-23 2017-04-26 陕西国力信息技术有限公司 Two-speed device capable of providing high speed ratio
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CN114263712A (en) * 2021-12-30 2022-04-01 上海振华重工集团(南通)传动机械有限公司 Hydraulic pressure double speed hard rock entry driving machine owner that shifts drives planetary gear box
CN114263712B (en) * 2021-12-30 2024-05-07 上海振华重工集团(南通)传动机械有限公司 Main driving planetary gear box of hydraulic gear shifting double-speed hard rock heading machine
CN114382794A (en) * 2022-01-24 2022-04-22 一汽解放汽车有限公司 Wet-type double clutch, car speed change gear and car
CN114382794B (en) * 2022-01-24 2023-06-16 一汽解放汽车有限公司 Wet-type double clutch, automobile speed change device and automobile

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