CN204942457U - Direct-connected and the double dynamical input device of hydrostatic stepless three fast formula in parallel of a kind of machinery - Google Patents
Direct-connected and the double dynamical input device of hydrostatic stepless three fast formula in parallel of a kind of machinery Download PDFInfo
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- CN204942457U CN204942457U CN201520716429.0U CN201520716429U CN204942457U CN 204942457 U CN204942457 U CN 204942457U CN 201520716429 U CN201520716429 U CN 201520716429U CN 204942457 U CN204942457 U CN 204942457U
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Abstract
The utility model relates to the direct-connected and double dynamical input device of hydrostatic stepless three fast formula in parallel of a kind of machinery, comprise the double dynamical input mechanism and three be installed on casing and keep off speed change and arrestment mechanisms, double dynamical input mechanism is connected with the power input mechanism of speed changer, three gear speed changes and arrestment mechanism are connected with double dynamical input mechanism, power input mechanism comprise power input the first axle and be arranged on power input on the first axle power input bevel gear, double dynamical input mechanism comprises hydrostatic stepless speed variator, power inputs the second axle and double dynamical transaxle, three gear speed changes and arrestment mechanism comprise shifting shaft and brake axle.The utility model adopts mechanical direct-drive and three class gear shift scheme of connecting after hydraulic stepless transmission parallel connection, the problem that mechanical direct-drive is combined with hydraulic stepless formula is solved by Change-over knot trap, effectively improve transmission efficiency, improve the handling of endless-track vehicle, by third gear gearshift mechanism, extend efficient driving scope.
Description
Technical field
The utility model relates to the direct-connected and double dynamical input device of hydrostatic stepless three fast formula in parallel of a kind of machinery.
Background technique
In order to reduce farm machinery operation easier, a lot of farm working machinery all have employed hydrostatic stepless change input device, as high-speed transplanter, transplanter, and cat, crawler-type harvester etc.Although hydrostatic stepless speed changes devices reduces operation easier, decrease the agricultural machinery driving training time, after exporting owing to adopting hydraulic pressure, transmission system efficiency reduces, and fuel consume increases considerably.Especially cat, crawler-type harvester are when field work, and driving system is often in large load condition, and transmission efficiency is low, and fuel consume is large, and cost of production is higher.Although mechanical variable speed device in transmission efficiency far above hydrostatic stepless speed changes devices, but operate machine speed change gear time need skilled engagement clutch, throttle, gear, operation more complicated, its operation easier with drive a car quite, therefore, mechanical variable speed device has had a strong impact on the application of Agricultural Machinery Design.Simultaneously due to the stepless speed changes devices of oil hydraulic pump-motor integrated, although stepless transmission can be realized by changing oil hydraulic pump swash plate angle, but in the stepless change procedure of rotating speed, when this device works near amount rotating speed, efficiency is high, moment of torsion stable output, but when tick-over, hydraulicdriven efficiency reduces, the output torque of oil hydraulic motor is little, limits endless-track vehicle high-efficient homework scope.
Therefore, market need one can manipulate power input device easily again by efficient driving, changing existing transmission device not significantly, realize changeable between two power, output velocity ratio can also be changed, the efficient driving of machinery gear when making endless-track vehicle can realize farm work, also can realize the convenient of other operating mode hydraulic pressure electrodeless variable-speeds manipulation, can also meet different speed change requests simultaneously.
Model utility content
The technical problem that the utility model solves is to provide a kind of machinery the direct-connected and double dynamical input device of hydrostatic stepless three fast formula in parallel, to solve the shortcoming in above-mentioned background technology.
What the technical problem that the utility model solves was adopted realizes by following technological scheme:
The utility model provides a kind of machinery the direct-connected and double dynamical input device of hydrostatic stepless three fast formula in parallel, comprise the double dynamical input mechanism and three gear speed change and arrestment mechanisms that are installed on casing, double dynamical input mechanism is connected with the power input mechanism of speed changer, three gear speed changes and arrestment mechanism are connected with double dynamical input mechanism, power input mechanism comprise power input the first axle and be arranged on power input on the first axle power input bevel gear, double dynamical input mechanism comprises hydrostatic stepless speed variator, power inputs the second axle and double dynamical transaxle, three gear speed changes and arrestment mechanism comprise shifting shaft and brake axle, wherein:
Described hydrostatic stepless speed variator is provided with and stretches to hydrostatic stepless speed variator power input shaft in casing and hydrostatic stepless speed variator pto＝power take-off, and hydrostatic stepless speed variator Power output shaft end is provided with hydrostatic stepless speed variator power output gear;
Described power inputs second axle one end and is installed on casing by the second axle thrust bearing, the other end is connected with hydrostatic stepless speed variator power input shaft, and be installed on casing by the second axle deep groove ball bearing, power inputs on the second axle and is provided with machinery gear driving gear and driven wheel of differential, and driven wheel of differential and power input bevel gear and engages;
The mounting structure at described double dynamical transaxle two ends is identical, its one end is installed on casing by transaxle deep groove ball bearing, double dynamical transaxle is provided with stepless gear driven gear vertically successively, double dynamical input splined hub, machinery gear driven gear, one gear driving gear and two gear driving gears, stepless gear driven gear is installed on double dynamical transaxle by stepless shelves sliding bearing sleeve, machinery gear driven gear is installed on double dynamical transaxle by mechanical shelves sliding bearing sleeve, double dynamical input splined hub is provided with double dynamical combined cover, double dynamical combined cover is fitted with selector fork, double dynamical input splined hub can be kept off driven gear by double dynamical combined cover with stepless gear driven gear or machinery and is combined, stepless gear driven gear engages with hydrostatic stepless speed variator power output gear, machinery gear driven gear keeps off driving gear with machinery and engages,
The mounting structure at described shifting shaft two ends is the same, its one end is installed on casing by shifting shaft deep groove ball bearing, shifting shaft is provided with three gear splined hub vertically successively, three gear driven gears, main deceleration driving gear, one gear driven gear, one or two gear splined hub, two gear driven gears, three gear driven gears are installed on shifting shaft by three gear sliding bearing sleeves, three gear splined hub are provided with three gear combined covers, three gear combined covers are fitted with three gear shift forks, three gear driven gears engage with double dynamical input splined hub, three gear splined hub can be kept off driven gear and are combined with three by three gear combined covers, one gear driven gear is installed on shifting shaft by a gear sliding bearing sleeve, two gear driven gears are installed on shifting shaft by two gear sliding bearing sleeves, one or two gear splined hub are provided with one or two gear combined covers, one or two gear combined covers are fitted with one or two gear shift forks, one or two gear splined hub can be kept off driven gear or two by one or two gear combined covers and and be kept off driven gear and be combined, one gear driven gear and keeps off driving gear and engages, two gear driven gears and two keep off driving gear and engage,
Described brake axle one end is installed on casing by brake axle deep groove ball bearing, and be provided with brake axle end cap and carry out spacing, the other end is installed in break end cap by break deep groove ball bearing, the break be arranged on brake axle is provided with in break end cap, be provided with tumbler gear in the middle of brake axle, tumbler gear engages with main deceleration driving gear.
In the utility model, described break comprises multiple braking steel disc and multiple brake strip, multiple braking steel disc is arranged on by external splines on the internal spline of break end cap, multiple brake strip is arranged on the external splines of brake axle by internal spline, each braking steel disc is parallel to each other and spaced apart with each brake strip, and each brake strip is all engaged between adjacent two braking steel discs, braking steel disc is provided with the platen be arranged on tumbler gear and the steel disc snap ring be arranged on break end cap inwall near one end of tumbler gear, platen is fitted with braking shiifter axle, platen side is provided with platen snap ring and carries out spacing.
In the utility model, described power inputs on the second axle: machinery gear driving gear side is provided with machinery gear driving wheel snap ring, driven wheel of differential side is provided with driven wheel of differential sleeve, being provided with the second hubcap outside second axle thrust bearing carries out spacing, and the second hubcap is fastened by bolts on casing.
In the utility model, on described hydrostatic stepless speed variator pto＝power take-off: hydrostatic stepless speed variator power output gear side is provided with power output wheel snap ring.
In the utility model, on described double dynamical transaxle: transaxle deep groove ball bearing outer end is provided with transaxle end cap and carries out spacing, stepless gear driven gear side is provided with stepless gear follower sleeve, tight sleeve is provided with between stepless gear driven gear and double dynamical input splined hub, machinery gear follower sleeve is provided with between machinery gear driven gear and a gear driving gear, a second gear driving wheel sleeve is provided with between one gear driving gear and two gear driving gears, two gear driving gear sides are provided with two gear driving wheel snap rings, and transaxle end cap is fastened by bolts on casing.
In the utility model, on described shifting shaft: shifting shaft deep groove ball bearing outer end is provided with shifting shaft end cap and carries out spacing, three gear splined hub sides are provided with three gear splined hub snap rings, three gear driven gear sides are provided with three gear follower snap rings, main deceleration driving gear and one keeps off between driven gear and is provided with main deceleration driving wheel sleeve, main deceleration driving gear opposite side is provided with main deceleration driving wheel snap ring, and two gear driven gear sides are provided with two gear follower snap rings.
In the utility model, on described brake axle: break deep groove ball bearing side is provided with break deep groove ball bearing snap ring, and tumbler gear side is provided with reverse wheel snap ring.
In the utility model, described shifting shaft end cap, brake axle end cap, break end cap are fastened by bolts on casing.
In the utility model, power transmission path is:
1) power inputs bevel gear by the power of power input mechanism and inputs double dynamical input mechanism;
2) hydrostatic stepless gear and machinery gear two gear power transmission path is provided with in double dynamical input mechanism,
Hydrostatic stepless gear: when upward sliding selector fork, double dynamical input splined hub is combined with stepless gear driven gear by double dynamical combined cover, power inputs bevel gear by power and passes to driven wheel of differential, driven wheel of differential drives power to input the second axle rotation, power inputs the second axle and drives hydrostatic stepless speed variator power input shaft to rotate, power exports from hydrostatic stepless speed variator pto＝power take-off after entering hydrostatic stepless speed variator stepless change by hydrostatic stepless speed variator power input shaft, hydrostatic stepless speed variator pto＝power take-off drives stepless gear driven gear to rotate, stepless gear driven gear is by transmission of power extremely double dynamical input splined hub, then double dynamical transaxle is passed to,
Machinery gear: when slide downward selector fork, double dynamical input splined hub is kept off driven gear by double dynamical combined cover with machinery and is combined, power inputs bevel gear by power and passes to driven wheel of differential, driven wheel of differential drives power to input the second axle and the power machinery inputted on the second axle keeps off driving gear rotation, machinery gear driving gear driving mechanical gear driven gear rotates, transmission of power to double dynamical input splined hub, is then passed to double dynamical transaxle by machinery gear driven gear;
3) power being passed to double dynamical transaxle drives a gear driving gear and two gear driving gears to rotate;
4) three gear gear paths are provided with in three gear speed changes and arrestment mechanism:
First gear gear paths: when on move three gear shift forks time, three gear combined covers are only combined with three external tooths keeping off splined hub, three gear combined covers can not transferring power, be in neutral, one or two gear shift forks are moved now, one or two gear splined hub are kept off driven gear by one or two gear combined covers and and are combined, power is by the transmission of first gear gear paths, namely power passes to a gear driven gear from a gear driving gear, power is passed to one or two gear splined hub by one or two gear combined covers by one gear driven gear, then passes to shifting shaft;
Second gear gear paths: when on move three gear shift forks time, three gear combined covers are only combined with three external tooths keeping off splined hub, three gear combined covers can not transferring power, be in neutral, now move down one or two gear shift forks, one or two gear splined hub are kept off driven gear tooth of shifting gears by one or two gear combined covers and two and are combined, power is by the transmission of second gear gear paths, namely power passes to two gear driven gears from two gear driving gears, power is passed to one or two gear splined hub by one or two gear combined covers by two gear driven gears, then passes to shifting shaft;
Third gear gear paths: when one or two gear shift forks stop meta, one or two gear combined covers are only combined with one or two external tooths keeping off splined hub, any power can not be transmitted, be in neutral, now move down three gear shift forks, the external tooth of three gear splined hub keeps off driven gear by three gear combined covers and three and is combined, power is by the transmission of third gear gear paths, namely power passes to double dynamical combined cover from double dynamical input splined hub, double dynamical combined cover drives three gear driven gears to rotate, power is passed to three gear splined hub by three gear combined covers by three gear driven gears, then passes to shifting shaft;
When one or two gear shift forks and three gear shift forks are all in neutral, three gear speed changes and arrestment mechanism are in neutral;
5) power is passed to the driving mechanism of speed changer by shifting shaft by tumbler gear, and break is used for braking shifting shaft.
Advantage and beneficial effect:
Double dynamical input device in the utility model adopts hydrostatic stepless gear and machinery gear to be arranged in parallel, mechanical power transmission system and hydraulic stepless drive system are combined, enabling endless-track vehicle that machinery gear can be adopted when field work to improve the efficiency of transmission, also adopt when shifting gears and drive stepless change manipulation that vehicle drive can be made more convenient; Adopt three gear speed change and arrestment mechanisms, can export three speed gears, compact structure, transmission efficiency is high, and gearshift is convenient simultaneously; Be provided with break at driving mechanism end, this brake structural is little, operates light, and the generation that the utility model is braked or releasing are very easy to.The utility model adopts mechanical direct-drive and three class gear shift scheme of connecting after hydraulic stepless transmission parallel connection, the problem that mechanical direct-drive is combined with hydraulic stepless formula is solved by Change-over knot trap, effectively improve transmission efficiency, improve the handling of endless-track vehicle, by third gear gearshift mechanism, extend efficient driving scope.
Accompanying drawing explanation
Fig. 1 is the structural representation of preferred embodiment of the present utility model.
Fig. 2 is the A-A sectional view in Fig. 1.
Fig. 3 is the structural representation of double dynamical input mechanism.
Fig. 4 is the K-K sectional view in Fig. 3.
Fig. 5 is the H-H sectional view in Fig. 3.
Fig. 6 is the I-I sectional view in Fig. 3.
Fig. 7 is the J-J sectional view in Fig. 3.
Fig. 8 is the structural representation of three gear speed changes and arrestment mechanism.
Fig. 9 is the C-C sectional view in Fig. 8.
Figure 10 is the D-D sectional view in Fig. 8.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
Direct-connected and the double dynamical input device of hydrostatic stepless three fast formula in parallel of machinery see Fig. 1 ~ Fig. 2, it comprises and is arranged on double dynamical input mechanism S and three gear speed change on casing X and arrestment mechanism M.
Shown in Fig. 3 ~ Fig. 7, double dynamical input mechanism S comprises hydrostatic stepless speed variator S1, hydrostatic stepless speed variator power input shaft S2, machinery gear driving gear S3, power inputs the second axle S4, driven wheel of differential S5, hydrostatic stepless speed variator power output gear S6, hydrostatic stepless speed variator pto＝power take-off S7, selector fork S8, double dynamical combined cover S9, double dynamical input splined hub S10, two gear driving gear S11, double dynamical transaxle S12, one gear driving gear S13, machinery gear driven gear S14, stepless gear driven gear S15, power inputs the first axle P3, power input bevel gear P1, also comprises power output wheel snap ring S16, second axle thrust bearing S17, second hubcap S18, second axle deep groove ball bearing S19, machinery gear driving wheel snap ring S20, driven wheel of differential sleeve S21, transaxle deep groove ball bearing S22, transaxle end cap S23, stepless gear sliding bearing sleeve S24, machinery gear sliding bearing sleeve S25, tight sleeve S26, stepless gear follower sleeve S27, machinery gear follower sleeve S28, one second gear driving wheel sleeve S29, two gear driving wheel snap ring S30.
Hydrostatic stepless speed variator S1 is arranged at outside casing X, and be provided with and stretch to hydrostatic stepless speed variator power input shaft S2 in casing X and hydrostatic stepless speed variator pto＝power take-off S7, on hydrostatic stepless speed variator pto＝power take-off S7, the end stretched in casing X is provided with hydrostatic stepless speed variator power output gear S6, and hydrostatic stepless speed variator power output gear S6 one end is provided with power output wheel snap ring S16.
Power inputs the first axle P3 and is installed on casing X, and power inputs on the first axle P3 and is provided with power input bevel gear P1.
Power inputs second axle S4 one end and is installed on casing by the second axle thrust bearing S17, and undertaken spacing by the second hubcap S18, power inputs the second axle S4 the other end and is connected with hydrostatic stepless speed variator power input shaft S2, and be installed on casing by the second axle deep groove ball bearing S19, power inputs on the second axle S4 and is provided with machinery gear driving gear S3 and driven wheel of differential S5, machinery gear driving gear S3 one end is provided with machinery gear driving wheel snap ring S20, is provided with driven wheel of differential sleeve S21 between driven wheel of differential S5 and the second axle thrust bearing S17.
The mounting structure at double dynamical transaxle S12 two ends is identical, and its one end is installed on casing by transaxle deep groove ball bearing S22, and is undertaken spacing by transaxle end cap S23, double dynamical transaxle S12 is provided with vertically successively stepless gear driven gear S15, double dynamical input splined hub S10, machinery gear driven gear S14, one gear driving gear S13 and two gear driving gear S11, stepless gear driven gear S15 is installed on double dynamical transaxle S12 by stepless gear sliding bearing sleeve S24, machinery gear driven gear S14 is installed on double dynamical transaxle S12 by machinery gear sliding bearing sleeve S25, double dynamical input splined hub S10 is provided with double dynamical combined cover S9, double dynamical combined cover S9 keeps off driven gear S14 with stepless gear driven gear S15 or machinery and is combined under the effect of selector fork S8, double dynamical input splined hub S10 one end keeps off driven gear S14 interference fit with machinery, the other end and stepless gear driven gear S15 Spielpassung, and be provided with tight sleeve S26 between double dynamical input splined hub S10 and stepless gear driven gear S15, the stepless gear driven gear S15 the other end is provided with stepless gear follower sleeve S27, the machinery gear driven gear S14 the other end is provided with machinery gear follower sleeve S28, be provided with a second gear driving wheel sleeve S29 between one gear driving gear S13 and two gear driving gear S11, the two gear driving gear S11 the other ends are undertaken spacing by two gear driving wheel snap ring S30.Stepless gear driven gear S15 engages with hydrostatic stepless speed variator power output gear S6, and machinery gear driven gear S14 keeps off driving gear S3 with machinery and engages.
Second hubcap S18, transaxle end cap S23 are fastened by bolts on casing.
Shown in Fig. 8 ~ Figure 10, three gear speed changes and arrestment mechanism M comprise shifting shaft M1, three gear splined hub M2, three gear shift fork M3, three gear combined cover M4, three gear driven gear M5, main deceleration driving gear M6, one gear driven gear M7, one or two gear shift fork M8, one or two gear combined cover M9, one or two gear splined hub M10, two gear driven gear M11, tumbler gear M12, brake axle M17, braking shiifter axle M13, platen M14, brake strip M15, braking steel disc M16, also comprises shifting shaft deep groove ball bearing M18, shifting shaft end cap M19, three gear sliding bearing sleeve M20, two gear sliding bearing sleeve M21, one gear sliding bearing sleeve M22, three gear splined hub snap ring M23, three gear follower snap ring M24, main deceleration driving wheel snap ring M25, main deceleration driving wheel sleeve M26, two gear follower snap ring M27, brake axle deep groove ball bearing M28, brake axle end cap M29, break deep groove ball bearing M30, break end cap M31, break deep groove ball bearing snap ring M32, steel disc snap ring M33, platen snap ring M34, reverse wheel snap ring M35.
The mounting structure at shifting shaft M1 two ends is the same, and its one end is installed on casing by shifting shaft deep groove ball bearing M18, and is provided with shifting shaft end cap M19 and carries out spacing, shifting shaft M1 is provided with vertically successively three gear splined hub M2, three gear driven gear M5, main deceleration driving gear M6, a gear driven gear M7, one or two gear splined hub M10, two gear driven gear M11, three gear splined hub M2 are installed on by internal spline on the external splines of shifting shaft M1, three gear driven gear M5 are installed on shifting shaft M1 by three gear sliding bearing sleeve M20, two gear driven gear M11 are installed on shifting shaft M1 by two gear sliding bearing sleeve M21, and a gear driven gear M7 is installed on shifting shaft M1 by a gear sliding bearing sleeve M22, three gear splined hub M2 one end and three keep off driven gear M5 interference fit, the other end is provided with three gear splined hub snap ring M23 and carries out spacing, the three gear driven gear M5 the other ends are provided with three gear follower snap ring M24 and carry out spacing, main deceleration driving gear M6 one end is provided with main deceleration driving wheel snap ring M25 and carries out spacing, main deceleration driving gear M6 and keeps off between driven gear M7 and is provided with main deceleration driving wheel sleeve M26, one or two gear splined hub M10 are installed on by internal spline on the external splines of shifting shaft M1, one or two gear splined hub M10 are provided with one or two gear combined cover M9, one or two gear combined cover M9 keep off driven gear M7 or two and keep off driven gear M11 and be combined under the effect of one or two gear shift fork M8 with one, two gear driven gear M11 one end are provided with two gear follower snap ring M27.
Three gear driven gear M5 often engage with double dynamical combined cover S19, and a gear driven gear M7 and keeps off driving gear S13 and engages, and two gear driven gear M11 and two keep off driving gear S11 and engage.
Brake axle M17 one end is installed on casing X by brake axle deep groove ball bearing M28, and undertaken spacing by brake axle end cap M29, the other end is installed in break end cap M31 by break deep groove ball bearing M30, break deep groove ball bearing M30 one end is provided with break deep groove ball bearing snap ring M32 and carries out spacing, break end cap M31 is fastened by bolts on casing X, break end cap M31 inwall is provided with six braking steel disc M16, these six braking steel discs are parallel to each other and spaced apart, brake axle M17 corresponding in break end cap M31 is provided with five brake strip M15 by spline, five brake strip M15 are parallel to each other and spaced apart, and each brake strip M15 is all engaged between adjacent two braking steel disc M16, braking steel disc M16 one end is provided with steel disc snap ring M33 and carries out spacing, also be provided with the platen M14 be arranged on brake axle M17, platen M14 is provided with braking shiifter axle M13, braking shiifter axle M13 for control platen M14 and compress or pine from braking steel disc M16, the platen M14 the other end is provided with platen snap ring M34.Brake axle M17 is provided with tumbler gear M12, tumbler gear M12 one end is provided with reverse wheel snap ring M35 and carries out spacing.Tumbler gear M12 engages with main deceleration driving gear M6.
Shifting shaft end cap M19, brake axle end cap M29, break end cap M31 are fastened by bolts on casing.
The drive path of double dynamical input mechanism S internally-powered is:
One, power inputs the first axle P3 through power and inputs, and power input bevel gear P1 engage with driven wheel of differential S5, and driven wheel of differential S5 drives power to input the second axle S4 and machinery keeps off driving gear S3 rotation;
Two, power inputs the second axle S4 and drives hydrostatic stepless speed variator power input shaft S2 to rotate, power exports from hydrostatic stepless speed variator pto＝power take-off S7 after hydrostatic stepless speed variator S1 stepless change, and hydrostatic stepless speed variator power output gear S6 engages with stepless gear driven gear S15; Machinery gear driving gear S3 keeps off driven gear S14 with machinery and engages;
Three, power is regulated to be hydrostatic stepless gear input or the input of machinery gear:
1) when regulating power to be hydrostatic stepless gear input, upward sliding selector fork S8, double dynamical combined cover S9 moves, double dynamical combined cover S9 is separately fixed on double dynamical input splined hub S10 and stepless gear driven gear S15, and the bang path of power is: hydrostatic stepless speed variator power output gear S6 → stepless gear driven gear S15 → double dynamical input splined hub S10 → double dynamical transaxle S12.The now exportable infinite variable speed forward gear of speed changer and reverse gear shift.
2) when regulating power to be the input of machinery gear, slide downward selector fork S8, double dynamical combined cover S9 moves down, double dynamical combined cover S9 is separately fixed at double dynamical input splined hub S10 and keeps off on driven gear S14 with machinery, and the bang path of power is: machinery gear driving gear S3 → machinery gear driven gear S14 → double dynamical input splined hub S10 → double dynamical transaxle S12.Now the forward gear exporting a certain speed fixed by speed changer, can not export reverse gear shift, and this gear is mainly used in track-laying vehicle field high-efficient homework.
The drive path of three gear speed changes and arrestment mechanism M internally-powered is:
One, one or two gear gearshifts:
1) change to a gear: one or two gear shift fork M8 move, one or two gear combined cover M9 keep off driven gear M7 tooth of shifting gears simultaneously and are combined with one or two external tooths and keeping off splined hub M10; The bang path of power is: gear driving gear S13 → mono-keeps off gear combined cover M9 → mono-or two, driven gear M7 → mono-or two gear splined hub M10 → shifting shaft M1.
2) change to neutral: one or two gear shift fork M8 stop meta, one or two gear combined cover M9 are only combined with one or two external tooths keeping off splined hub M10, can not transmit any power, change to neutral.
3) change to two gears: one or two gear shift fork M8 move down, one or two gear combined cover M9 keep off driven gear M11 tooth of shifting gears simultaneously and are combined with one or two external tooths and two keeping off splined hub M10; The bang path of power is: two gear driving gear S11 → bis-keep off gear combined cover M9 → mono-or two, driven gear M11 → mono-or two gear splined hub M10 → shifting shaft M1.
Two, three gear gearshifts:
1) change to three gears: three gear shift fork M3 move down, three gear combined cover M4 keep off driven gear M5 tooth of shifting gears simultaneously and are combined with three external tooths and three keeping off splined hub M2; The bang path of power is: double dynamical combined cover S9 → tri-gear driven gear M5 → tri-keep off combined cover M4 → tri-and keep off splined hub M2 → shifting shaft M1.
2) change to neutral: three gear shift fork M3 move, three gear combined cover M4 are only combined with three external tooths keeping off splined hub M2; Any power can not be transmitted, change to neutral.
Three, mutual principle is locked:
By gearshift, only have when one or two gear combined cover M9 are in neutral gear position, just can change to three gears, only have when three gear combined cover M4 are in neutral gear position, one or two gears could be switched.
More than show and describe basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. the direct-connected and double dynamical input device of hydrostatic stepless three fast formula in parallel of a machinery, it is characterized in that: comprise the double dynamical input mechanism S and three be installed on casing X and keep off speed change and arrestment mechanism M, double dynamical input mechanism S is connected with the power input mechanism of speed changer, three gear speed changes and arrestment mechanism M are connected with double dynamical input mechanism S, power input mechanism comprises power and inputs the first axle P3 and be arranged on power and input power input bevel gear P1 on the first axle P3, double dynamical input mechanism S comprises hydrostatic stepless speed variator S1, power inputs the second axle S4 and double dynamical transaxle S12, three gear speed changes and arrestment mechanism M comprise shifting shaft M1 and brake axle M17, wherein:
Described hydrostatic stepless speed variator S1 is provided with and stretches to hydrostatic stepless speed variator power input shaft S2 in casing X and hydrostatic stepless speed variator pto＝power take-off S7, and hydrostatic stepless speed variator pto＝power take-off S7 end is provided with hydrostatic stepless speed variator power output gear S6;
Described power inputs second axle S4 one end and is installed on casing X by the second axle thrust bearing S17, the other end is connected with hydrostatic stepless speed variator power input shaft S2, and be installed on casing by the second axle deep groove ball bearing S19, power inputs and the second axle S4 is provided with machinery gear driving gear S3 and driven wheel of differential S5, driven wheel of differential S5 and inputs bevel gear P1 with power and engage;
The mounting structure at described double dynamical transaxle S12 two ends is identical, its one end is installed on casing X by transaxle deep groove ball bearing S22, double dynamical transaxle S12 is provided with vertically successively stepless gear driven gear S15, double dynamical input splined hub S10, machinery gear driven gear S14, one gear driving gear S13 and two gear driving gear S11, stepless gear driven gear S15 is installed on double dynamical transaxle S12 by stepless shelves sliding bearing sleeve S24, machinery gear driven gear S14 is installed on double dynamical transaxle S12 by mechanical shelves sliding bearing sleeve S25, double dynamical input splined hub S10 is provided with double dynamical combined cover S9, double dynamical combined cover S9 is fitted with selector fork S8, double dynamical input splined hub S10 can keep off driven gear S14 by double dynamical combined cover S9 with stepless gear driven gear S15 or machinery and be combined, stepless gear driven gear S15 engages with hydrostatic stepless speed variator power output gear S6, machinery gear driven gear S14 keeps off driving gear S3 with machinery and engages,
The mounting structure at described shifting shaft M1 two ends is the same, its one end is installed on casing X by shifting shaft deep groove ball bearing M18, shifting shaft M1 is provided with three gear splined hub M2 vertically successively, three gear driven gear M5, main deceleration driving gear M6, one gear driven gear M7, one or two gear splined hub M10, two gear driven gear M11, three gear driven gear M5 are installed on shifting shaft M1 by three gear sliding bearing sleeve M20, three gear splined hub M2 are provided with three gear combined cover M4, three gear combined cover M4 are fitted with three gear shift fork M3, three gear driven gear M5 engage with double dynamical input splined hub S10, three gear splined hub M2 can be kept off driven gear M5 and are combined with three by three gear combined cover M4, one gear driven gear M7 is installed on shifting shaft M1 by a gear sliding bearing sleeve M22, two gear driven gear M11 are installed on shifting shaft M1 by two gear sliding bearing sleeve M21, one or two gear splined hub M10 are provided with one or two gear combined cover M9, one or two gear combined cover M9 are fitted with one or two gear shift fork M8, one or two gear splined hub M10 can keep off driven gear M7 or two by one or two gear combined cover M9 and and keep off driven gear M11 and be combined, one gear driven gear M7 and one keeps off driving gear S13 and engages, two gear driven gear M11 and two keep off driving gear S11 and engage,
Described brake axle M17 one end is installed on casing X by brake axle deep groove ball bearing M28, and be provided with brake axle end cap M29 and carry out spacing, the other end is installed in break end cap M31 by break deep groove ball bearing M30, the break be arranged on brake axle M17 is provided with in break end cap M31, be provided with tumbler gear M12 in the middle of brake axle M17, tumbler gear M12 engages with main deceleration driving gear M6.
2. the direct-connected and double dynamical input device of hydrostatic stepless three fast formula in parallel of a kind of machinery according to claim 1, it is characterized in that, described break comprises multiple braking steel disc M16 and multiple brake strip M15, multiple braking steel disc M16 is arranged on by external splines on the internal spline of break end cap M31, multiple brake strip M15 is arranged on by internal spline on the external splines of brake axle M17, steel disc M16 and each brake strip M15 is parallel to each other and spaced apart in each braking, and each brake strip M15 is all engaged between adjacent two braking steel disc M16, braking steel disc M16 is provided with the platen M14 be arranged on tumbler gear M12 and the steel disc snap ring M33 be arranged on break end cap M31 inwall near one end of tumbler gear M12, platen M14 is fitted with braking shiifter axle M13, platen M14 side is provided with platen snap ring M34 and carries out spacing.
3. the direct-connected and double dynamical input device of hydrostatic stepless three fast formula in parallel of a kind of machinery according to claim 1, it is characterized in that, described power inputs on the second axle S4: machinery gear driving gear S3 side is provided with machinery gear driving wheel snap ring S20, driven wheel of differential S5 side is provided with driven wheel of differential sleeve S21, being provided with the second hubcap S18 outside second axle thrust bearing S17 carries out spacing, and the second hubcap S18 is fastened by bolts on casing X.
4. the direct-connected and double dynamical input device of hydrostatic stepless three fast formula in parallel of a kind of machinery according to claim 1, it is characterized in that, on described hydrostatic stepless speed variator pto＝power take-off S7: hydrostatic stepless speed variator power output gear S6 side is provided with power output wheel snap ring S16.
5. the direct-connected and double dynamical input device of hydrostatic stepless three fast formula in parallel of a kind of machinery according to claim 1, it is characterized in that, on described double dynamical transaxle S12: transaxle deep groove ball bearing S22 outer end is provided with transaxle end cap S23 and carries out spacing, stepless gear driven gear S15 side is provided with stepless gear follower sleeve S27, tight sleeve S26 is provided with between stepless gear driven gear S15 and double dynamical input splined hub S10, machinery gear follower sleeve S28 is provided with between machinery gear driven gear S14 and gear driving gear S13, a second gear driving wheel sleeve S29 is provided with between one gear driving gear S13 and two gear driving gear S11, two gear driving gear S11 sides are provided with two gear driving wheel snap ring S30, transaxle end cap S23 is fastened by bolts on casing X.
6. the direct-connected and double dynamical input device of hydrostatic stepless three fast formula in parallel of a kind of machinery according to claim 1, it is characterized in that, on described shifting shaft M1: shifting shaft deep groove ball bearing M18 outer end is provided with shifting shaft end cap M19 and carries out spacing, three gear splined hub M2 sides are provided with three gear splined hub snap ring M23, three gear driven gear M5 sides are provided with three gear follower snap ring M24, main deceleration driving gear M6 and keeps off between driven gear M7 and is provided with main deceleration driving wheel sleeve M26, main deceleration driving gear M6 opposite side is provided with main deceleration driving wheel snap ring M25, two gear driven gear M11 sides are provided with two gear follower snap ring M27.
7. the direct-connected and double dynamical input device of hydrostatic stepless three fast formula in parallel of a kind of machinery according to claim 6, it is characterized in that, described shifting shaft end cap M19, brake axle end cap M29, break end cap M31 are fastened by bolts on casing X.
8. the direct-connected and double dynamical input device of hydrostatic stepless three fast formula in parallel of a kind of machinery according to claim 1, it is characterized in that, on described brake axle M17: break deep groove ball bearing M30 side is provided with break deep groove ball bearing snap ring M32, and tumbler gear M12 side is provided with reverse wheel snap ring M35.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520716429.0U CN204942457U (en) | 2015-09-16 | 2015-09-16 | Direct-connected and the double dynamical input device of hydrostatic stepless three fast formula in parallel of a kind of machinery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520716429.0U CN204942457U (en) | 2015-09-16 | 2015-09-16 | Direct-connected and the double dynamical input device of hydrostatic stepless three fast formula in parallel of a kind of machinery |
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| CN204942457U true CN204942457U (en) | 2016-01-06 |
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| CN201520716429.0U Withdrawn - After Issue CN204942457U (en) | 2015-09-16 | 2015-09-16 | Direct-connected and the double dynamical input device of hydrostatic stepless three fast formula in parallel of a kind of machinery |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114587A (en) * | 2015-09-16 | 2015-12-02 | 湖南省农友机械集团有限公司 | Mechanical direct-connection and hydrostatic stepless parallel-connection tri-speed type dual-power input device |
| CN106763564A (en) * | 2017-02-15 | 2017-05-31 | 苏州萨伯工业设计有限公司 | Machine liquid mixing five keeps off drive method |
| CN106895119A (en) * | 2017-03-24 | 2017-06-27 | 山东卫禾传动科技有限公司 | A kind of equipment for plant protection gear arrangement |
| CN108757928A (en) * | 2018-08-20 | 2018-11-06 | 盘锦中舜石油机械有限公司 | A kind of shift type screw pump ground driving device |
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2015
- 2015-09-16 CN CN201520716429.0U patent/CN204942457U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114587A (en) * | 2015-09-16 | 2015-12-02 | 湖南省农友机械集团有限公司 | Mechanical direct-connection and hydrostatic stepless parallel-connection tri-speed type dual-power input device |
| CN106763564A (en) * | 2017-02-15 | 2017-05-31 | 苏州萨伯工业设计有限公司 | Machine liquid mixing five keeps off drive method |
| CN106895119A (en) * | 2017-03-24 | 2017-06-27 | 山东卫禾传动科技有限公司 | A kind of equipment for plant protection gear arrangement |
| CN108757928A (en) * | 2018-08-20 | 2018-11-06 | 盘锦中舜石油机械有限公司 | A kind of shift type screw pump ground driving device |
| CN108757928B (en) * | 2018-08-20 | 2023-11-10 | 盘锦中舜石油机械有限公司 | Ground driving device of gear-shifting screw pump |
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