CN204647055U - Tractor dynamic power reverse clutch device - Google Patents

Tractor dynamic power reverse clutch device Download PDF

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Publication number
CN204647055U
CN204647055U CN201520310264.7U CN201520310264U CN204647055U CN 204647055 U CN204647055 U CN 204647055U CN 201520310264 U CN201520310264 U CN 201520310264U CN 204647055 U CN204647055 U CN 204647055U
Authority
CN
China
Prior art keywords
gear
driven shaft
clutch
driven
flange
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520310264.7U
Other languages
Chinese (zh)
Inventor
王东青
王富凯
杨桂香
王兴伟
杨婉丽
赵子龙
闫涵
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.)
First Tractor Co Ltd
Original Assignee
First Tractor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by First Tractor Co Ltd filed Critical First Tractor Co Ltd
Priority to CN201520310264.7U priority Critical patent/CN204647055U/en
Application granted granted Critical
Publication of CN204647055U publication Critical patent/CN204647055U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00Fluid-actuated clutches
    • F16D25/06Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
    • F16D25/062Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
    • F16D25/063Fluid-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
    • F16D25/0635Fluid-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
    • F16D25/0638Fluid-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00Fluid-actuated clutches
    • F16D25/10Clutch systems with a plurality of fluid-actuated clutches

Abstract

Tractor dynamic power reverse clutch device, comprising: fall back gear driven gear, back-up ring, return spring, friction plate, rotating plate, clutch hub, piston, spring seat, forward gear driven gear, power output gear, driven shaft; Be processed with flange in the middle part of driven shaft, the gear driven gear that falls back, clutch hub are arranged on the left of driven shaft flange; Forward gear driven gear, clutch hub are arranged on the right side of driven shaft flange; Its middle left and right two clutch hubs are fixed in driven shaft flange both sides respectively, fall back gear driven gear and forward gear driven gear be sleeved on driven shaft; Piston, rotating plate and friction plate are arranged in clutch hub, rotating plate and clutch hub keyed jointing, and friction plate keeps off driven gear and forward gear driven gear keyed jointing with falling back respectively; Spring socket sleeve is contained on driven shaft, and power output gear is fixed on driven shaft by spline.Driven shaft is processed with circlip groove and installs back-up ring, return spring one end withstands on back-up ring, and the other end withstands on piston.

Description

Tractor dynamic power reverse clutch device
Technical field
The utility model belongs to tractor field, relates to a kind of tractor dynamic power reverse clutch device.
Background technique
At present, most of high and medium power wheeled tractor of domestic production, it advances and the change of reverse direction is reversed gear by arranging in gearbox, and adopts the mechanical changeover modes such as sliding gear, engaging sleeve or synchronizer to carry out advancing and fall back the switching of gear.The main clutch of tractor first need be separated when changing tractor direction of advance, and then the mounting of the gear that carries out advancing or fall back.This kind of mode efficiency is lower, and the labor intensity of driver is larger.The tractor of more external American-European countries production then more adopts power commutation (also referred to as load-commutated), in gearbox, namely arrange two multi-disc wet clutch, engages, thus realize the change of tractor advance or reverse direction by controlling different clutches.This kind of gearshift mode can adopt hydraulic control or electric control operation, advances simultaneously and does not need in the shift process that falls back to cut off engine power, quick, light, efficiency is high.
Tractor dynamic power reverse clutch mainly contains two kinds of structural types: one adopts Gear Planet Transmission train, braked or loosen train component, sense of rotation is changed by wet clutch; Another kind is ordinary gear train, by being arranged on two reverse clutches on gearbox driving shaft or driven shaft, making corresponding forward gear or the gear gear transmission power that falls back, thus making tractor advance or fall back.Gear Planet Transmission wheel train structure is compact, and axial dimension is little, and manufacture requirements is high, applies less; Fixed axis gear architecture is relatively simple, and speed ratio is easy to adjust, applies more.At present, the tractor dynamic power reverse clutch of these two kinds of structural types, at home in some tractor enterprises, is progressively improved and is manufactured experimently.
Summary of the invention
The purpose of this utility model be to provide a kind of compact structure, safe and reliable, control tractor dynamic power reverse clutch device easily.
The technical solution of the utility model is: tractor dynamic power reverse clutch device, comprising: fall back gear driven gear, back-up ring, return spring, friction plate, rotating plate, clutch hub, piston, spring seat, forward gear driven gear, power output gear, driven shaft; Be processed with flange in the middle part of driven shaft, the gear driven gear that falls back, clutch hub are arranged on the left of driven shaft flange; Forward gear driven gear, clutch hub, be arranged on the right side of driven shaft flange; Its middle left and right two clutch hubs are fixed in driven shaft flange both sides respectively, fall back gear driven gear and forward gear driven gear be sleeved on driven shaft by needle bearing; Piston, rotating plate and friction plate are arranged in clutch hub, rotating plate and clutch hub keyed jointing, and friction plate keeps off driven gear and forward gear driven gear keyed jointing with falling back respectively; Spring socket sleeve is contained on driven shaft, and power output gear is fixed on driven shaft by spline.
Driven shaft is processed with circlip groove and installs back-up ring, return spring one end withstands on back-up ring, and the other end is withstood on piston by spring seat.
Driven shaft is parallel is vertically drilled with three deep holes, and what be wherein positioned at axle center is oilhole, and all the other holes communicate with reverse gear clutch and forward gear clutch respectively; Driven shaft is radially being drilled with facing to needle bearing and spring seat neutral position the aperture only communicated with oilhole respectively.
Spring seat 8 inside is processed with annular groove, and is drilled with radial hole and communicates with annular groove.
The utility model can reach following beneficial effect after adopting technique scheme: tractor dynamic power reverse clutch device is divided into forward gear and gear two clutches that fall back, controlled by different pressure oil circuits respectively, make the work of each clutch single-minded, substantially increase the working life of clutch.Fall back gear and forward gear clutch lays respectively at the both sides of driven shaft, arranges compact, saves axial space, be convenient to the layout of lubricant oil and pressure oil pipeline simultaneously.Simultaneously except reversing gear except driven gear and forward gear driven gear, other part of two clutches is all identical, reduces the manufacture cost of clutch.Spring seat is processed with annular groove and radial hole, during clutch work under the effect of control oil pressure, piston moves, return spring compresses, lubricant oil flows out through driven shaft radial hole, then annular groove on spring seat and radial hole flow to friction plate, and friction plate is lubricated.When clutch quits work, piston return under the effect of return spring power, staggering in the annular groove on spring seat and radial hole and driven shaft radial hole position, plays automatic-sealed effect, cut off the oil supplying of clutch friction plate lubrication, corresponding decrease clutch drag moment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model tractor dynamic power reverse clutch device.
Embodiment
Below in conjunction with accompanying drawing, the utility model will be further described.As shown in Figure 1, tractor dynamic power reverse clutch device, comprising: fall back gear driven gear 1, back-up ring 2, return spring 3, friction plate 4, rotating plate 5, clutch hub 6, piston 7, spring seat 8, forward gear driven gear 9, power output gear 10, driven shaft 11.Be processed with flange A in the middle part of driven shaft 11, the gear driven gear 1 that falls back, clutch hub 6 are arranged on the left of driven shaft 11 flange A, form the clutch that reverses gear; Forward gear driven gear 9, clutch hub 6, be arranged on the right side of driven shaft 11 flange A, form forward gear clutch; Wherein two clutch hubs 6 are welded on driven shaft 11 flange A both sides respectively, fall back gear driven gear 1 and forward gear driven gear 9 be sleeved on driven shaft 11 by needle bearing; Piston 7, rotating plate 5 and friction plate 4 are arranged in clutch hub 6, rotating plate 5 and clutch hub 6 keyed jointing, and friction plate 4 keeps off driven gear 1 and forward gear driven gear 9 keyed jointing with falling back respectively; Spring seat 8 is sleeved on driven shaft 11, driven shaft 11 is processed with circlip groove and installs back-up ring 2, and return spring 3 one end withstands on back-up ring 2, and the other end withstands on piston 7 by spring seat 8; Power output gear 10 is fixed on driven shaft 11 by spline.Driven shaft 11 is parallel is vertically drilled with three deep holes, and what be wherein positioned at axle center is oilhole, and all the other holes keep off clutch and forward gear clutch communicates with falling back respectively; Driven shaft 11 is radially being drilled with facing to needle bearing and spring seat 8 neutral position the aperture only communicated with oilhole respectively.Spring seat 8 inside is processed with annular groove, and is drilled with radial hole and communicates with annular groove.
According to the instruction of driver, forward gear clutch or the gear clutch that falls back can engage respectively or be separated, and the power of motor is inputted through forward gear driven gear 9 or the gear driven gear 1 that falls back respectively, exports through power output gear 10.
Forward gear clutch engages: according to the control command of driver, pressure oil enters forward gear clutch through the forward gear clutch oilhole of driven shaft 11 axis, piston 7 in promotion forward gear clutch and spring seat 8 move right, compression retracteding position spring 3 and the most at last friction plate 4 and rotating plate 5 tightly force together, forward gear clutch is engaged.The movement of spring seat 8 simultaneously makes the annular groove on it and the radial hole contraposition on driven shaft 11, and lubricant oil flows into forward gear clutch through radial hole and annular groove, lubricates to friction pair.Now engine power is delivered on driven shaft 11 through forward gear clutch through forward gear driven gear 9 again, finally exports through power output gear 10, and tractor is advanced.
Forward gear clutch separation: as driver cuts off the pressure oil supply to forward gear clutch, then piston 7 and spring seat 8 are moved to the left under the spring-force driven dual of return spring 3, and disengaging friction sheet 4 and rotating plate 5, make forward gear clutch separation.Make the annular groove on spring seat 8 and the radial hole on driven shaft 11 misplace simultaneously, cut off lubrication oil supplying.Now the power of motor is only delivered on forward gear driven gear 9, and forward gear driven gear 9 dallies around driven shaft 11, and tractor forward travel state terminates.
The gear clutch that falls back engages: according to the control command of driver, pressure oil enters through the gear clutch oilhole that falls back of driven shaft 11 axis the gear clutch that falls back, promote fall back gear clutch in piston 7 and spring seat 8 be moved to the left, compression retracteding position spring 3 friction plate 4 fallen back the most at last in gear clutch and rotating plate 5 tightly force together, and the gear clutch that makes to fall back engages.The movement of spring seat 8 simultaneously makes the annular groove on it and the radial hole contraposition on driven shaft 11, and lubricant oil flows into through radial hole and annular groove the gear clutch that falls back, and lubricates to friction pair.Now engine power is delivered on driven shaft 11 through the gear clutch that falls back through the gear driven gear 1 that falls back again, finally exports through power output gear 10, tractor is fallen back.
Fall back gear clutch separation: as driver cuts off the pressure oil supply to the gear clutch that falls back, then piston 7 and spring seat 8 move right under the spring-force driven dual of return spring 3, and disengaging friction sheet 4 and rotating plate 5, make the gear clutch separation that falls back.Make the annular groove on spring seat 8 and the radial hole on driven shaft 11 misplace simultaneously, cut off lubrication oil supplying.Now the power of motor is only delivered to and falls back on gear driven gear 1, and the gear driven gear 1 that falls back dallies around driven shaft 11, and the tractor state of falling back terminates.

Claims (4)

1. tractor dynamic power reverse clutch device, comprise: fall back gear driven gear (1), back-up ring (2), return spring (3), friction plate (4), rotating plate (5), clutch hub (6), piston (7), spring seat (8), forward gear driven gear (9), power output gear (10), driven shaft (11); It is characterized in that: driven shaft (11) middle part is processed with flange (A), gear driven gear (1) that falls back, clutch hub (6) are arranged on driven shaft (11) flange (A) left side; Forward gear driven gear (9), clutch hub (6), be arranged on driven shaft (11) flange (A) right side; Its middle left and right two clutch hubs (6) are fixed in driven shaft (11) flange (A) both sides respectively, fall back gear driven gear (1) and forward gear driven gear (9) be sleeved on driven shaft (11) by needle bearing; Piston (7), rotating plate (5) and friction plate (4) are arranged in clutch hub (6), rotating plate (5) and clutch hub (6) keyed jointing, and friction plate (4) keeps off driven gear (1) and forward gear driven gear (9) keyed jointing with falling back respectively; Spring seat (8) is sleeved on driven shaft (11), and power output gear (10) is fixed on driven shaft (11) by spline.
2. tractor dynamic power reverse clutch device according to claim 1, it is characterized in that: driven shaft (11) is processed with circlip groove and back-up ring (2) is installed, return spring (3) one end withstands on back-up ring (2), and the other end is withstood on piston (7) by spring seat (8).
3. tractor dynamic power reverse clutch device according to claim 1, it is characterized in that: driven shaft (11) is parallel is vertically drilled with three deep holes, what be wherein positioned at axle center is oilhole, and all the other holes communicate with reverse gear clutch and forward gear clutch respectively; Driven shaft (11) is radially being drilled with facing to needle bearing and spring seat (8) neutral position the aperture only communicated with oilhole respectively.
4. tractor dynamic power reverse clutch device according to claim 1, is characterized in that: spring seat (8) inside is processed with annular groove, and is drilled with radial hole and communicates with annular groove.
CN201520310264.7U 2015-05-14 2015-05-14 Tractor dynamic power reverse clutch device Expired - Fee Related CN204647055U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520310264.7U CN204647055U (en) 2015-05-14 2015-05-14 Tractor dynamic power reverse clutch device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520310264.7U CN204647055U (en) 2015-05-14 2015-05-14 Tractor dynamic power reverse clutch device

Publications (1)

Publication Number Publication Date
CN204647055U true CN204647055U (en) 2015-09-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106763284A (en) * 2016-12-16 2017-05-31 贵州凯星液力传动机械有限公司 A kind of monoblock type clutch propeller boss transmission device
CN110454568A (en) * 2019-09-16 2019-11-15 秦皇岛浩洋机械制造有限公司 A kind of energy-efficient three clutches bidirectional output gear-box

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106763284A (en) * 2016-12-16 2017-05-31 贵州凯星液力传动机械有限公司 A kind of monoblock type clutch propeller boss transmission device
CN110454568A (en) * 2019-09-16 2019-11-15 秦皇岛浩洋机械制造有限公司 A kind of energy-efficient three clutches bidirectional output gear-box

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150916

Termination date: 20210514

CF01 Termination of patent right due to non-payment of annual fee