CN204937224U - A kind of double dynamical input type continuously tracked vehicle change-speed box - Google Patents
A kind of double dynamical input type continuously tracked vehicle change-speed box Download PDFInfo
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- CN204937224U CN204937224U CN201520716488.8U CN201520716488U CN204937224U CN 204937224 U CN204937224 U CN 204937224U CN 201520716488 U CN201520716488 U CN 201520716488U CN 204937224 U CN204937224 U CN 204937224U
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Abstract
The utility model relates to a kind of double dynamical input type continuously tracked vehicle change-speed box, comprise casing, casing is provided with power input mechanism, double dynamical input mechanism, intermediate transmission mechanism, differential speed type driver train, left track driver train, right side track driver train, power take-off mechanism, power input mechanism is connected with double dynamical input mechanism and power take-off mechanism, double dynamical input mechanism is connected with differential speed type driver train by intermediate transmission mechanism, and differential speed type driver train is connected with left track driver train, right side track driver train respectively.The utility model adopts machinery to control the differential speed type steering hardware of the gear ring rotating of drive wheel both sides sun and planet gear with the double dynamical input media of hydraulic parallel formula and external connection power, effectively can improve continuously tracked vehicle drive efficiency and manipulation convenience, raising turns to precision, overcomes the problems such as existing continuously tracked vehicle driving efficiency is low, traveling slip angle force is large, manipulation difficulty, the edge of a field turn to heap soil or fertilizer over and around the roots mud serious.
Description
Technical field
The utility model relates to a kind of double dynamical input type continuously tracked vehicle change-speed box.
Background technology
Because the ground contact area of continuously tracked vehicle is large, the grounding pressure of crawler belt is little, and the grounding pressure of its numerical value and people is close, is particularly suitable for paddy fields in south china operation, and the crawler-type work vehicle of current paddy fields in south china mainly contains track type tractor, crawler-type harvester.The variable ratio drive system of these continuously tracked vehicles adopts two types usually, one adopts Purely mechanical power drive system transferring power, it has, and structure is simple, efficiency advantages of higher, but Purely mechanical Power train, gear shift operation is complicated, drive a car or the technical ability of trac. because agricultural machinery operator does not possess usually simultaneously, be difficult to control to the cooperation of power-transfer clutch, throttle, gearshift, and then limit the development of trac..Another kind is the continuously tracked vehicle electrodeless variable-speed drive system adopting Hydraulic Pump-motor integrated device, the continuously tracked vehicle of electrodeless variable-speed drive system is driven convenience and is improved, agricultural machinery operator need not participate in the technical training of specialty, simple exercise is only needed to grasp driving quality, thus like by users, but after adding hydraulic efficiency pressure system, drive system efficiency reduces, and thermal load increases.Track type tractor particularly in daily production and application process will mount agricultural machinery and implement usually, and agricultural machinery and implement are when farm work, driving engine is generally in large throttle state, close to constant engine operating mode, moving velocity change is little, power exports larger with moment of torsion, causes that system energy consumption is high, cal val is large, poor high temperature stability, seriously limits the field of application of tracklaying vehicle.
Simultaneously because the principle of work of continuously tracked vehicle driving system and the travel operation principle of two-wheeled field machine are similar, change-speed box be usually integrated with turn to, differential, main deceleration, one or more functions such as braking, and at least will integrated turning function.What tracklaying vehicle in the market adopted steering track rod to operate dental clutch and multi-disc brake usually turns to scheme, its implementation procedure is: when track type tractor vehicle left-handed turning to time, left side dental clutch is separated driver's operation left steering pull bar and left side output shaft is braked, because crawler-tread tractor vehicle left side transfer motion power interrupts and brake stopping the rotation, now under the driving of trac. right side power, facility realize turning to the left; In like manner can realize right hand steering, but this steering hardware adopts separation and realizes in conjunction with dental clutch and drg, it turns to precision low, and steering manipulation is poor.
Utility model content
The technical matters that the utility model solves is to provide a kind of double dynamical input type continuously tracked vehicle change-speed box, to solve the shortcoming in above-mentioned background technology.
The technical matters that the utility model solves realizes by the following technical solutions:
The utility model provides a kind of double dynamical input type continuously tracked vehicle change-speed box, comprise casing, casing is provided with power input mechanism, double dynamical input mechanism, intermediate transmission mechanism, differential speed type driver train, left track driver train, right side track driver train, power take-off mechanism, the concrete connection structure of each mechanism is as follows:
Described power input mechanism comprises power and inputs the first axle, PTO power drive shaft, and power take-off mechanism comprises power take-off shaft, wherein:
It is power intake that power inputs first axle one end, and be installed in the first hubcap by the first axle thrust bearing, first hubcap is anchored on casing, the other end is installed on casing by the first axle deep groove ball bearing, first axle deep groove ball bearing side is provided with power input finishing bevel gear cuter, power input wheel sleeve is provided with between power input finishing bevel gear cuter and the first axle deep groove ball bearing, be set with PTO duplex slippage power shift gear between first axle thrust bearing and the first axle deep groove ball bearing, PTO duplex slippage power shift gear is provided with power input selector fork;
PTO power drive shaft one end is installed in casing by deep groove ball bearing in deep groove ball bearing before transmission shaft and transmission shaft, and undertaken spacing by transmission shaft outer end cap, and between deep groove ball bearing, PTO duplex power shift gear is installed in deep groove ball bearing and transmission shaft before transmission shaft, the PTO power drive shaft other end is provided with the main deceleration driving gear of PTO, and being installed in casing by deep groove ball bearing after transmission shaft, after transmission shaft, deep groove ball bearing is undertaken spacing by transmission shaft inner end cap;
Power take-off shaft one end is clutch end, this end is installed on casing by the outer deep groove ball bearing of output shaft, and undertaken spacing by output shaft outer end cap, the other end is installed on casing by deep groove ball bearing in output shaft, in output shaft, deep groove ball bearing side is provided with output shaft inner end cap and carries out spacing, be provided with the main reduction driven gear of PTO between deep groove ball bearing in the outer deep groove ball bearing of output shaft and output shaft, and be provided with main reduction driven wheel sleeve between the main reduction driven gear of PTO and the outer deep groove ball bearing of output shaft;
Described double dynamical input mechanism comprises hydrostatic toric transmission, the power of being located at casing side and inputs the second axle, power input the 3rd axle, wherein:
Hydrostatic toric transmission is provided with hydrostatic toric transmission power input shaft and hydrostatic toric transmission power take-off shaft, the end of hydrostatic toric transmission power input shaft and hydrostatic toric transmission power take-off shaft stretches in casing, and the end of hydrostatic toric transmission power take-off shaft is provided with hydrostatic toric transmission power output gear;
Power inputs second axle one end and is connected with hydrostatic toric transmission power input shaft, and be installed on casing by the second axle deep groove ball bearing, power inputs the second axle other end and is provided with Power output spline, and be installed on casing by the second axle thrust bearing, power inputs on the second axle and is provided with driven wheel of differential and machinery gear driving gear, driven wheel of differential side is provided with driven wheel of differential sleeve, and driven wheel of differential and power input finishing bevel gear cuter and engages;
The mounting structure at power input the 3rd axle two ends is the same, its one end is installed on casing by the 3rd axle deep groove ball bearing, and be provided with the 3rd hubcap and carry out spacing, power input the 3rd axle is provided with the stepless gear gear of the 3rd axle, double dynamical input splined hub, 3rd shaft mechanical gear gear and the 3rd axle input gear, 3rd axle stepless gear gear inputs on the 3rd axle by stepless gear wheel sliding bearing sleeve empty set at power, 3rd shaft mechanical gear gear inputs on the 3rd axle by mechanical gear wheel sliding bearing sleeve empty set at power, tight sleeve is provided with between 3rd axle stepless gear gear and double dynamical input splined hub, the 3rd axle stepless gear gear other end is provided with stepless gear wheel sleeve, 3rd axle stepless gear gear engages with hydrostatic toric transmission power output gear, 3rd shaft mechanical gear gear keeps off driving gear with machinery and engages, double dynamical input splined hub is provided with combined cover, combined cover is provided with selector fork, 3rd axle input gear outputs power,
Described intermediate transmission mechanism comprises tween drive shaft, tween drive shaft transmission gear, reversing gear, reversing shaft, the structure at tween drive shaft two ends is identical, its one end is installed on casing by tween drive shaft deep groove ball bearing, and undertaken spacing by tween drive shaft end cap, in the middle of tween drive shaft, tween drive shaft transmission gear is installed; The structure at the two ends of reversing shaft is identical, its one end is installed on casing by reversing shaft deep groove ball bearing, and is undertaken spacing by reversing shaft end cap, and reversing shaft is provided with reversing gear, reversing gear engages with tween drive shaft transmission gear, and tween drive shaft transmission gear engages with the 3rd axle input gear;
Described differential speed type driver train comprises differential steering one axle, differential steering tween drive shaft, differential gear axle, differential steering one axle one end extend out to outside casing and is connected with outer power, and be installed on casing by the left deep groove ball bearing of differential one axle, the left deep groove ball bearing of differential one axle is undertaken spacing by differential one axle left end cap, the differential steering one axle other end is installed on casing by the right deep groove ball bearing of differential one axle, and undertaken spacing by differential one axle right end cap, differential steering one axle is provided with differential steering left side gear and differential steering right side gear; The mounting structure at differential steering tween drive shaft two ends is the same, and its one end is installed on casing by differential tween drive shaft deep groove ball bearing, and is undertaken spacing by differential tween drive shaft end cap; Differential steering tween drive shaft is provided with differential steering intermediate gear, differential steering intermediate gear side is provided with differential breast wheel sleeve; The mounting structure at differential gear axle two ends is the same, its one end is installed on casing by differential gear axle deep groove ball bearing, and being undertaken spacing by differential gear hubcap, differential gear axle is provided with the main reduction gear that is positioned at differential gear axle middle and left side sun and planet gear, right side sun and planet gear that structure identical symmetrical with about main reduction gear;
Left side sun and planet gear comprises the left lateral carrier be sleeved on successively on differential gear axle, left sun wheel and left gear ring, left planetary wheel is installed in left lateral carrier by left planetary wheel supporting component circumference is uniform, and engage with the inner gear of left gear ring and left sun wheel simultaneously, left lateral carrier is installed on differential gear axle by needle bearing, and left gear ring is installed on differential gear axle by left sliding bearing sleeve two;
Right side sun and planet gear comprises the right lateral carrier be sleeved on successively on differential gear axle, right sun wheel and right gear ring, right planetary wheel is installed in right lateral carrier by right planetary wheel supporting component circumference is uniform, and engage with the inner gear of right gear ring and right sun wheel simultaneously, right lateral carrier is installed on differential gear axle by needle bearing, and right gear ring is installed on differential gear axle by right sliding bearing sleeve two;
The external toothing of right gear ring engages with differential steering intermediate gear, and differential steering intermediate gear engages with differential steering right side gear, and the external toothing of left gear ring engages with differential steering left side gear, and main reduction gear engages with reversing gear;
Described left track driver train is identical with right side track driving mechanism structure, and it is symmetrical about main reduction gear, left track driver train comprises track propulsion axle, described track propulsion axle is installed on casing by axle drive shaft deep groove ball bearing, and undertaken spacing by the axle drive shaft end cap be arranged on cabinet exterior, track propulsion axle one end to be stretched in casing and is provided with driven wheel, the other end to be positioned at outside casing and to be provided with track propulsion fluted disc, brake disc is fixed with inside track propulsion fluted disc, brake disc is provided with brake strap and brake clamp, track propulsion axle is also provided with support protheca by support sleeve deep groove ball bearing, be provided with in support between support protheca and axle drive shaft end cap and overlap.
In the utility model, in described power input mechanism: first axle thrust bearing one end is provided with for carrying out the first spacing axle thrust bearing snap ring to the first hubcap, first axle thrust bearing snap ring is hole snap ring, and in transmission shaft, deep groove ball bearing one end is provided with deep groove ball bearing snap ring in transmission shaft.
In the utility model, in described power take-off mechanism: being provided with the first Simmer ring sealed for inputting the first axle to power in the first hubcap, being provided with the output shaft seal ring for sealing power take-off shaft in described output shaft outer end cap.
In the utility model, in described double dynamical input mechanism: machinery gear driving gear side is provided with machinery gear driving wheel snap ring, hydrostatic toric transmission power output gear side is provided with stepless output wheel snap ring, and the 3rd axle input gear one end is provided with the 3rd axle wheel for inputting snap ring.
In the utility model, in described intermediate transmission mechanism: the side of reversing gear is provided with reverse wheel snap ring, the side of intermediate drive gear is provided with intermediate transmission wheel snap ring.
In the utility model, in described differential speed type driver train: in differential one axle left end cap, corresponding differential steering one axle place is provided with differential one axle lip-shaped sealed ring and seals; Differential steering left side gear side is provided with differential left gear snap ring and carries out spacing; Differential steering right side gear side is provided with differential right gear snap ring and carries out spacing.
In the utility model, in described differential speed type driver train: left planetary wheel supporting component is identical with the structure of right planetary wheel supporting component, right planetary wheel supporting component comprises right planetary wheel pivot shaft, be sleeved on right sliding bearing sleeve one on right planetary wheel pivot shaft and right planetary wheel fixed mount, right planetary wheel pivot shaft one end interference is installed in right lateral carrier, and the other end is set with the right planetary wheel fixed mount for limiting right planetary end float misalignment.
In the utility model, in described left track driver train, described driven wheel one end is provided with drive wheel snap ring, and support in protheca and be provided with the support sleeve lip-shaped sealed ring being positioned at support sleeve deep groove ball bearing outer end, support sleeve deep groove ball bearing side is provided with support sleeve bearing snap ring.
In the utility model, the first described hubcap, transmission shaft outer end cap, transmission shaft inner end cap, output shaft outer end cap, output shaft inner end cap, the second hubcap, the 3rd hubcap, tween drive shaft end cap, reversing shaft end cap, differential one axle left end cap, differential one axle right end cap, differential tween drive shaft end cap, differential gear hubcap, axle drive shaft end cap are all fastened by bolts on casing.
Advantage and beneficial effect:
The utility model is connected and composed by power input mechanism, double dynamical input mechanism, intermediate transmission mechanism, differential speed type driver train, left track driver train, right side track driver train, power take-off mechanism, a power part is passed to power take-off mechanism by power input mechanism, and the power of this part realizes the switching of high to low gear by PTO duplex power shift gear; The scheme that double dynamical input mechanism adopts mechanical direct-drive and hydraulic stepless transmission to be connected in parallel, the problem that mechanical direct-drive is combined with the electrodeless formula of hydraulic pressure is solved by Change-over knot trap, effectively improve driving efficiency high, improve the handling of continuously tracked vehicle; The gear ring rotating that differential speed type driver train adopts machinery and the double dynamical input media of hydraulic parallel formula and external connection power to control drive wheel both sides sun and planet gear changes to travel and drives power take-off shaft two ends rotating speed, realization turns to, and mechanism precisely turns to by regulating outer access power rotating speed to realize, even field pivot turn, also conveniently realize remote machine electrohydraulic integration to control, effectively can overcome existing continuously tracked vehicle traveling slip angle force, the edge of a field turns to problems such as stopping up mud is serious, manipulation difficulty.The utility model compact conformation, speed change is convenient, substantially increases driving efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of preferred embodiment of the present utility model.
Fig. 2 is B-B cutaway view in Fig. 1.
Fig. 3 is the structural representation of Fig. 1 medium power input mechanism and power take-off mechanism.
Fig. 4 is the D-D cutaway view of Fig. 3.
Fig. 5 is the structural representation of double dynamical input mechanism in Fig. 1.
Fig. 6 is K-K cutaway view in Fig. 5.
Fig. 7 is H-H cutaway view in Fig. 5.
Fig. 8 is I-I cutaway view in Fig. 5.
Fig. 9 is J-J cutaway view in Fig. 5.
Figure 10 is the structural representation of intermediate transmission mechanism in Fig. 1.
Figure 11 is the structural representation of differential speed type driver train in Fig. 1.
Figure 12 is E-E cutaway view in Figure 11.
Figure 13 is F-F cutaway view in Figure 11.
Figure 14 is the structural representation of left track driver train in Fig. 1.
Detailed description of the invention
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.
See the double dynamical input type continuously tracked vehicle change-speed box of Fig. 1 ~ Fig. 2, it comprises casing X, casing X is provided with power input mechanism P, double dynamical input mechanism S, intermediate transmission mechanism M, differential speed type driver train D, left track driver train Q(L), right side track driver train Q(R), power take-off mechanism T, power input mechanism P is connected with double dynamical input mechanism S and power take-off mechanism T, double dynamical input mechanism S is connected with differential speed type driver train D by intermediate transmission mechanism M, differential speed type driver train D and left track driver train Q(L), right side track driver train Q(R) connect.Power inputs through power input mechanism P, a part is passed to power take-off mechanism T, another part flows to double dynamical input mechanism S, power take-off mechanism T by transmission of power to external procedure part, double dynamical input mechanism S passes through intermediate transmission mechanism M by transmission of power to differential speed type driver train D, then by differential speed type driver train D, power is exported driving left track driver train Q(L respectively) and right side track driver train Q(R).
Shown in Fig. 3 ~ Fig. 4, power input mechanism P comprises power input finishing bevel gear cuter P1, PTO duplex slippage power shift gear P2, power inputs the first axle P3, power input selector fork P4, PTO duplex power shift gear P5, PTO power drive shaft P6, also comprise the first axle thrust bearing P7, first hubcap P8, first Simmer ring P9, first axle thrust bearing snap ring P10, first axle deep groove ball bearing P11, power input wheel sleeve P12, deep groove ball bearing P13 before transmission shaft, deep groove ball bearing P14 in transmission shaft, transmission shaft outer end cap P15, deep groove ball bearing snap ring P16 in transmission shaft, power take-off mechanism T comprises the main deceleration driving gear T3 of power take-off shaft T1, PTO main reduction driven gear T2, PTO, also comprises deep groove ball bearing T8, output shaft inner end cap T9, output shaft seal ring T10, main reduction driven wheel sleeve T11 in deep groove ball bearing T4, transmission shaft inner end cap T5 after transmission shaft, output shaft outer deep groove ball bearing T6, output shaft outer end cap T7, output shaft.
Power inputs the first axle P3 side and is installed in the first hubcap P8 by the first axle thrust bearing P7, first Simmer ring P9 is installed in the first hubcap P8, seal for inputting the first axle P3 to power, first axle thrust bearing snap ring P10 is hole snap ring, it to be installed in the first hubcap P8 and to be positioned at the side of the first axle thrust bearing P7, for carrying out hole to location to the first axle thrust bearing P7; Power inputs the first axle P3 opposite side and is installed on casing X by the first axle deep groove ball bearing P11, the end that this power inputs the first axle P3 opposite side place is provided with power input finishing bevel gear cuter P1, is provided with power input wheel sleeve P12 between power input finishing bevel gear cuter P1 and the first axle deep groove ball bearing P11; PTO duplex slippage power shift gear P2 is installed between the first axle thrust bearing P7 and the first axle deep groove ball bearing P11, PTO duplex slippage power shift gear P2 is fitted with power input selector fork P4.
PTO power drive shaft P6 one end is arranged on casing X by deep groove ball bearing P14 in deep groove ball bearing P13 before transmission shaft and transmission shaft, before transmission shaft, deep groove ball bearing P13 is installed on casing X, and undertaken spacing by transmission shaft outer end cap P15, in transmission shaft, deep groove ball bearing P14 side is positioned by the shaft shoulder, opposite side is positioned by deep groove ball bearing snap ring P16 in transmission shaft, in transmission shaft, deep groove ball bearing snap ring P16 is axle snap ring, is set with PTO duplex power shift gear P5 before transmission shaft in deep groove ball bearing P13 and transmission shaft between deep groove ball bearing P14; The PTO power drive shaft P6 other end is arranged on casing X by deep groove ball bearing T4 after transmission shaft, and is undertaken spacing by transmission shaft inner end cap T5, and the PTO power drive shaft P6 other end is also provided with the main deceleration driving gear T3 of PTO.
Power take-off shaft T1 side is installed on casing X by the outer deep groove ball bearing T6 of output shaft, and is undertaken spacing by output shaft outer end cap T7, power take-off shaft T1 opposite side is installed on casing X by deep groove ball bearing T8 in output shaft, and undertaken spacing by output shaft inner end cap T9, output shaft seal ring T10 is installed in output shaft outer end cap T7, for sealing power take-off shaft T1, the main reduction driven gear T2 of PTO is set with between deep groove ball bearing T8 in the outer deep groove ball bearing T6 of output shaft and output shaft, between outer deep groove ball bearing T6 and the PTO main reduction driven gear T2 of output shaft, main reduction driven wheel sleeve T11 is installed, main reduction driven wheel sleeve T11 is used for the endplay of motivation of adjustment output shaft T1 and carries out spacing to PTO main reduction driven gear T2.
PTO duplex slippage power shift gear P2 engages with PTO duplex power shift gear P5, and the main reduction driven gear T2 of PTO main deceleration driving gear T3 and PTO engages.
PTO duplex slippage power shift gear P2 inputs on the first axle P3 at power and moves from left to right, high to realize gear, low gear switches, as shown in Figure 3, for low gear, its drive path is described: the right side gear of PTO duplex slippage power shift gear P2 engages with the right side gear of PTO duplex power shift gear P5 → PTO duplex power shift gear P5 drive PTO power drive shaft P6 rotate → PTO power drive shaft P6 drives PTO main deceleration driving gear T3 to rotate transferring power → PTO main deceleration driving gear T3 and PTO main reduction driven gear T2 to engage → the main reduction driven gear T2 of PTO drives power take-off shaft T1 to rotate, this transmission process entirety is deceleration transmission.
Shown in Fig. 5 ~ Fig. 9, double dynamical input mechanism S comprises hydrostatic toric transmission S1, hydrostatic toric transmission power input shaft S2, machinery gear driving gear S3, power inputs the second axle S4, driven wheel of differential S5, hydrostatic toric transmission power output gear S6, hydrostatic toric transmission power take-off shaft S7, selector fork S8, combined cover S9, double dynamical input splined hub S10, power input the 3rd axle S11, 3rd axle input gear S12, 3rd shaft mechanical gear gear S13, 3rd axle stepless gear gear S14, power inputs the first axle P3, power input finishing bevel gear cuter P1, also comprises the second axle deep groove ball bearing S15, second axle thrust bearing S16, second hubcap S17, second axle lip-shaped sealed ring S18, machinery gear driving wheel snap ring S19, driven wheel of differential sleeve S20, 3rd axle deep groove ball bearing S21, 3rd hubcap S22, machinery gear wheel sliding bearing sleeve S23, stepless gear wheel sliding bearing sleeve S24, tight sleeve S25, stepless gear wheel sleeve S26, 3rd axle wheel for inputting snap ring S27, stepless output wheel snap ring S28, Power output spline S29.
Hydrostatic toric transmission S1 is arranged on casing X side, hydrostatic toric transmission S1 comprises hydrostatic toric transmission power input shaft S2 and hydrostatic toric transmission power take-off shaft S7, hydrostatic toric transmission power take-off shaft S7 end is provided with hydrostatic toric transmission power output gear S6, and adopts stepless output wheel snap ring S28 to carry out spacing.Power inputs second axle S4 one end and is connected with hydrostatic toric transmission power input shaft S2, and is arranged on casing X by the second axle deep groove ball bearing S15; Power inputs the second axle S4 other end and is provided with Power output spline S29, and be arranged on casing X by the second axle thrust bearing S16, Power output spline S29 can external Hydraulic Pump, water pump, continuously tracked vehicle self-help apparatus or other equipments, further expand the function of continuously tracked vehicle, second axle thrust bearing S16 is undertaken spacing by the second hubcap S17, is provided with the second axle lip-type packing S18 and seals in the second hubcap S17; Power inputs the second axle S4 and is provided with machinery gear driving gear S3 and driven wheel of differential S5, machinery gear driving gear S3 carries out axial limiting by machinery gear driving wheel snap ring S19, driven wheel of differential S5 be arranged on power input on the first axle P3 power input finishing bevel gear cuter P1 and engage, be provided with driven wheel of differential sleeve S20 between driven wheel of differential S5 and the second axle thrust bearing S16, driven wheel of differential sleeve S20 is used for carrying out spacing to driven wheel of differential S5.
The mounting structure at power input the 3rd axle S11 two ends is the same, and its one end is installed on casing X by the 3rd axle deep groove ball bearing S21, and is undertaken spacing by the 3rd hubcap S22, power input the 3rd axle S11 is also provided with the 3rd axle stepless gear gear S14 vertically successively, double dynamical input splined hub S10, 3rd shaft mechanical gear gear S13, 3rd axle input gear S12, 3rd axle stepless gear gear S14 inputs on the 3rd axle S11 by stepless gear wheel sliding bearing sleeve S24 empty set at power, 3rd shaft mechanical gear gear S13 inputs on the 3rd axle S11 by mechanical gear wheel sliding bearing sleeve S23 empty set at power, 3rd axle stepless gear gear S14 engages with hydrostatic toric transmission power output gear S6, 3rd shaft mechanical gear gear S13 keeps off driving gear S3 with machinery and engages, tight sleeve S25 is provided with between 3rd axle stepless gear gear S14 and double dynamical input splined hub S10,3rd axle stepless gear gear S14 opposite side is provided with stepless gear wheel sleeve S26, double dynamical input splined hub S10 is provided with combined cover S9, combined cover S9 is fitted with selector fork S8, 3rd axle input gear S12 is undertaken spacing by the 3rd axle wheel for inputting snap ring S27.
Principle of work:
1) upward sliding selector fork S8, combined cover S9 moves, combined cover S9 is separately fixed on double dynamical input splined hub S10 and the 3rd axle stepless gear gear S14, power is passed to the 3rd axle stepless gear gear S14 by hydrostatic toric transmission power output gear S6, be passed to double dynamical input splined hub S10 again, be then passed to the 3rd axle input gear S12.Now change-speed box is hydrostatic stepless gear, the exportable infinite variable speed forward gear of change-speed box and backward gear.
2) slide downward selector fork S8, combined cover S9 moves down, combined cover S9 is separately fixed at double dynamical input splined hub S10 and the 3rd shaft mechanical keeps off on gear S13, power keeps off driving gear S3 by machinery and is passed to the 3rd shaft mechanical gear gear S13, be passed to double dynamical input splined hub S10 again, be then passed to the 3rd axle input gear S12.Now change-speed box is machinery gear, and change-speed box fixes the forward gear exporting a certain speed, can not export backward gear, and this gear is mainly used in tracklaying vehicle field high-efficient homework.
The utility model adopts double dynamical input, comprise machinery gear and hydrostatic electrodeless gear two keep off power transmission route.
The drive path of machinery gear power is: power input on the first axle P3 power input finishing bevel gear cuter P1 and driven wheel of differential S5 → driven wheel of differential S5 drive power to input the second axle S4 to rotate transferring power → machinery and keep off driving gear S3 and rotate → tool keeps off driving gear S3 to be kept off gear S13 with the 3rd shaft mechanical and engages → the 3rd shaft mechanical keeps off gear S13 and drive power to input the 3rd axle S11 to rotate → power inputs the 3rd axle S11 and drive the 3rd axle input gear S12 to rotate the → the three axle input gear S12 by transmission of power to intermediate transmission mechanism M.
The drive path of hydrostatic electrodeless gear power is: power input on the first axle P3 power input finishing bevel gear cuter P1 and driven wheel of differential S5 → driven wheel of differential S5 drive power to input the second axle S4 to rotate transferring power → power and transmit into hydrostatic toric transmission S1 stepless change from hydrostatic toric transmission power input shaft S2, then from hydrostatic toric transmission power take-off shaft S7 output → hydrostatic toric transmission power take-off shaft S7 drive hydrostatic toric transmission power output gear S6 rotation → hydrostatic toric transmission power output gear S6 engage with the 3rd axle stepless gear gear S14 → the 3rd axle stepless gear gear S14 drives power to input the 3rd axle S11 to rotate → power inputs the 3rd axle S11 and drive the 3rd axle input gear S12 to rotate the → the three axle input gear S12 by transmission of power to intermediate transmission mechanism M.
Shown in Figure 10, intermediate transmission mechanism M comprises tween drive shaft M1, tween drive shaft transmission gear M2, reversing gear M3, reversing shaft M4, also comprises tween drive shaft deep groove ball bearing M5, tween drive shaft end cap M6, reversing shaft deep groove ball bearing M7, reversing shaft end cap M8, reverse wheel snap ring M9, intermediate transmission wheel snap ring M10.
The structure at tween drive shaft M1 two ends is identical, and its one end is installed on casing by tween drive shaft deep groove ball bearing M5, and is undertaken spacing by tween drive shaft end cap M6, is provided with tween drive shaft transmission gear M2 in the middle of tween drive shaft M1; The structure at the two ends of reversing shaft M4 is identical, its one end is installed on casing by reversing shaft deep groove ball bearing M7, and undertaken spacing by reversing shaft end cap M8, reversing shaft M4 is provided with reversing gear M3, the side of reversing gear M3 is provided with reverse wheel snap ring M9, the side of intermediate drive gear M2 is provided with intermediate transmission wheel snap ring M10, and reversing gear M3 engages with tween drive shaft transmission gear M2.
Shown in Figure 11 ~ Figure 13, differential speed type driver train D comprises differential steering one axle D1, differential steering left side gear D2, differential steering right side gear D3, differential steering intermediate gear D4, differential steering tween drive shaft D5, main reduction gear D6, differential gear axle D7, right side sun and planet gear D8, left side sun and planet gear D9, also comprise the left deep groove ball bearing D10 of differential one axle, differential one axle left end cap D11, differential one axle lip-shaped sealed ring D12, the right deep groove ball bearing D13 of differential one axle, differential one axle right end cap D14, differential left gear snap ring D15, differential right gear snap ring D16, differential tween drive shaft deep groove ball bearing D17, differential tween drive shaft end cap D18, differential breast wheel sleeve D19, differential gear axle deep groove ball bearing D20, differential gear hubcap D21, right sliding bearing sleeve one D22, needle bearing D23, right sliding bearing sleeve two D24, left sliding bearing sleeve one D25, needle bearing D26, left sliding bearing sleeve two D27.
Differential steering one axle D1 one end extend out to outside casing X, be connected with outer power, and be installed on casing X by the left deep groove ball bearing D10 of differential one axle, differential one axle left deep groove ball bearing D10 is undertaken spacing by differential one axle left end cap D11, and in differential one axle left end cap D11, corresponding differential steering one axle D1 place is provided with differential one axle lip-shaped sealed ring D12 and seals; The differential steering one axle D1 other end is installed on casing X by the right deep groove ball bearing D13 of differential one axle, and is undertaken spacing by differential one axle right end cap D14; Differential steering one axle D1 is provided with differential steering left side gear D2 and differential steering right side gear D3, differential steering left side gear D2 side is provided with differential left gear snap ring D15 and carries out spacing, and differential steering right side gear D3 side is provided with differential right gear snap ring D16 and carries out spacing.
The mounting structure at differential steering tween drive shaft D5 two ends is the same, and its one end is installed on casing X by differential tween drive shaft deep groove ball bearing D17, and is undertaken spacing by differential tween drive shaft end cap D18; Differential steering tween drive shaft D5 is provided with differential steering intermediate gear D4, differential steering intermediate gear D4 side is provided with differential breast wheel sleeve D19.Differential steering intermediate gear D4 engages with differential steering right side gear D3.
The mounting structure at differential gear axle D7 two ends is the same, and its one end is installed on casing X by differential gear axle deep groove ball bearing D20, and is undertaken spacing by differential gear hubcap D21; Position, differential gear axle D7 middle is provided with main reduction gear D6, and main reduction gear D6 engages with the reversing gear M3 of intermediate transmission mechanism M; Sun and planet gear D9 is identical with the structure of right side sun and planet gear D8 in left side, and symmetrical about main reduction gear D6.
Left side sun and planet gear D9 comprises left sun wheel D91, left lateral carrier D92, left lateral star gear D 93, left planetary wheel pivot shaft D94, left gear ring D95, left planetary wheel fixed mount D96, also comprises left sliding bearing sleeve one D25, needle bearing D26, left sliding bearing sleeve two D27.
Right side sun and planet gear D8 comprises right sun wheel D81, right lateral carrier D82, right lateral star gear D 83, right planetary wheel pivot shaft D84, right gear ring D85, right planetary wheel fixed mount D86, also comprises right sliding bearing sleeve one D22, needle bearing D23, right sliding bearing sleeve two D24.
Left gear ring D95, left sun wheel D91 and left lateral carrier D92 are arranged on differential gear axle D7 successively, left lateral star gear D 93 is installed on left lateral carrier D92 by left planetary wheel supporting component circumference is uniform, engages with the inner gear of left gear ring D95 and left sun wheel D91 simultaneously; Left planetary wheel supporting component comprises left planetary wheel pivot shaft D94, be sleeved on left sliding bearing sleeve one D25 on left planetary wheel pivot shaft D94 and left planetary wheel fixed mount D96, left lateral carrier D92 is installed on differential gear axle D7 by needle bearing D26, and left gear ring D95 is installed on differential gear axle D7 by right sliding bearing sleeve two D27.The external gear of left gear ring D95 engages with differential steering left side gear D2.
Right gear ring D85, right sun wheel D81 and right lateral carrier D82 are sleeved on differential gear axle D7 successively, right lateral star gear D 83 is installed on right lateral carrier D82 by right planetary wheel supporting component circumference is uniform, and engages with the inner gear of right gear ring D85 and right sun wheel D81 simultaneously; Right planetary wheel supporting component comprises right planetary wheel pivot shaft D84, be sleeved on right sliding bearing sleeve one D22 on right planetary wheel pivot shaft D84 and right planetary wheel fixed mount D86, right lateral carrier D82 is installed on differential gear axle D7 by needle bearing D23, and right gear ring D85 is installed on differential gear axle D7 by right sliding bearing sleeve two D24.The external gear of right gear ring D85 engages with differential steering intermediate gear D4.
The principle of work of differential speed type driver train D:
Power is imported into by the differential gear axle D7 at main reduction gear D6 and main reduction gear D6 place, is then passed to the left sun wheel D91 of both sides, right sun wheel D81.Left sun wheel D91 is by left lateral star gear D 93 by transmission of power extremely left gear ring D95, and left planetary wheel pivot shaft D94 is by transmission of power to left lateral carrier D92, and left lateral carrier D92 outer end is provided with left outside gear, the outer outputting power of left outside gear mesh.Right sun wheel D81 is by right lateral star gear D 83 by transmission of power extremely right gear ring D85, and right planetary wheel pivot shaft D84 is by transmission of power to right lateral carrier D82, and right lateral carrier D82 outer end is provided with right outside gear, the outer outputting power of right outside gear mesh.Right gear ring D85 outer ring is provided with external toothing and engages with differential steering intermediate gear D4, and left gear ring D95 engages with differential steering left side gear D2, constitutes sun and planet gear and drives the differential steering system turned to outer power driven.
Constant speed locking exports: the differential steering left side gear D2 of differential steering one axle D1 engages with the left gear ring D95 on the D9 of left side sun and planet gear.The differential steering right side gear D3 of differential steering one axle D1 engages with differential steering intermediate gear D4, then engages with the right gear ring D85 on the sun and planet gear D8 of right side.When the unpowered input of differential steering one axle D1, because left and right sides planetary gear carrier gear ring is fixed by rightabout steering gear, now differential steering device locking, left and right sides planetary wheel equispeed output.
Differential steering exports: when the dynamic input of differential steering one axle D1, the left gear ring D95 on the D9 of left side sun and planet gear turns to contrary with the right gear ring D85 on the sun and planet gear D8 of right side.According to sun and planet gear transmission principle, fixing sun wheel input forms compound motion with the gear ring of counterturn, makes pinion carrier export different rotating speeds, thus realizes turning to.
Shown in Figure 14, left track driver train Q(L) comprise in track propulsion axle Q1, track propulsion fluted disc Q2, brake disc Q3, support protheca Q4, support and overlap Q5, driven wheel Q6, brake clamp Q7, brake strap Q8, also comprise axle drive shaft deep groove ball bearing Q9, drive wheel snap ring Q10, axle drive shaft end cap Q11, support sleeve deep groove ball bearing Q12, support sleeve lip-shaped sealed ring Q13, fluted disc snap ring Q14, brake disc bolt Q15, support sleeve bearing snap ring Q16.
Track propulsion axle Q1 one end is installed on casing X by axle drive shaft deep groove ball bearing Q9, and driven wheel Q6 is installed, driven wheel Q6 one end is provided with drive wheel snap ring Q10 and carries out spacing, drive wheel snap ring Q10 is axle snap ring, axle drive shaft deep groove ball bearing Q9 is undertaken spacing by axle drive shaft end cap Q11, be provided with successively in support outside axle drive shaft end cap Q11 and overlap Q5 and supporting protheca Q4, supporting protheca Q4 is arranged on track propulsion axle Q1 by support sleeve deep groove ball bearing Q12, and be provided with support sleeve lip-shaped sealed ring Q13 and seal, support sleeve deep groove ball bearing Q12 side is provided with support sleeve bearing snap ring Q16 and carries out spacing, the two ends overlapping Q5 in support are connected with supporting protheca Q4 and axle drive shaft end cap Q11 respectively.The track propulsion axle Q1 other end is provided with track propulsion fluted disc Q2, and undertaken spacing by fluted disc snap ring Q14, inside track propulsion fluted disc Q2, brake disc Q3 is installed, brake disc Q3 is sleeved on track propulsion axle Q1, and be fastened on track propulsion fluted disc Q2 by brake disc bolt Q15, brake disc Q3 is provided with brake clamp Q7 and brake strap Q8.The left outside gears meshing of the left lateral carrier D92 outer end of driven wheel Q6 and differential speed type driver train D.
Right side track driver train Q(R) with left track driver train Q(L) structure communicates, and is symmetrical arranged about main reduction gear D6.Right side track driver train Q(R) driven wheel Q6 and the right outside gears meshing of right lateral carrier D82 outer end of differential speed type driver train D.Differential speed type driver train D connects driving left track driver train (L) and right side track driver train Q(R).
First hubcap P8, transmission shaft outer end cap P15, transmission shaft inner end cap T5, output shaft outer end cap T7, output shaft inner end cap T9, the second hubcap S17, the 3rd hubcap S22, tween drive shaft end cap M6, reversing shaft end cap M8, differential one axle left end cap D11, differential one axle right end cap D14, differential tween drive shaft end cap D18, differential gear hubcap D21, axle drive shaft end cap Q11 are fastened by bolts on casing.
Integral power bang path of the present utility model is:
1) power inputs the first axle P3 through power and inputs, and drives PTO duplex slippage power shift gear P2 and power input finishing bevel gear cuter P1 to rotate; PTO duplex slippage power shift gear P2 drives PTO duplex power shift gear P5 to rotate, thus drive PTO power drive shaft P6 to rotate, PTO power drive shaft P6 drives the main deceleration driving gear T3 of PTO to rotate, PTO main deceleration driving gear T3 drives the main reduction driven gear T2 of PTO to rotate, the main reduction driven gear T2 of PTO drives power take-off shaft T1 to rotate, thus exports a part of power; Power input finishing bevel gear cuter P1 drives driven wheel of differential S5 to rotate, and transmission of power is inputted the second axle S4 to power to driven wheel of differential S5 and driving mechanical gear driving gear S3 rotates;
2) power inputs second axle S4 one end and inputs in hydrostatic toric transmission S1 by power by hydrostatic toric transmission power input shaft S2, power is passed to hydrostatic toric transmission power output gear S6 by hydrostatic toric transmission power take-off shaft S7 after stepless change, and power inputs the second axle S4 other end by Power output spline S29 outputting power;
3) as upward sliding selector fork S8, combined cover S9 moves, combined cover S9 is fixed on double dynamical input splined hub S10 and the 3rd axle stepless gear gear S14, power is passed to the 3rd axle stepless gear gear S14 by hydrostatic toric transmission power output gear S6, be passed to double dynamical input splined hub S10 again, be then passed to the 3rd axle input gear S12; As slide downward selector fork S8, combined cover S9 moves down, combined cover S9 is not fixed on double dynamical input splined hub S10 and the 3rd shaft mechanical keeps off on gear S13, power keeps off driving gear S3 by machinery and is passed to the 3rd shaft mechanical gear gear S13, be passed to double dynamical input splined hub S10 again, be then passed to the 3rd axle input gear S12;
4) the 3rd axle input gear S12 drives tween drive shaft transmission gear M2 to rotate, tween drive shaft transmission gear M2 drives reversing gear M3 to rotate, transmission of power drives it to rotate to main reduction gear D6 by reversing gear M3, main reduction gear D6 drives differential gear axle D7 to rotate, differential gear axle D7 drives left sun wheel D91 and right sun wheel D81 to rotate respectively, and then drive left lateral star gear D 93 and right lateral star gear D 83 to rotate, left lateral star gear D 93 drives the external gear of left lateral carrier D92 to rotate, and then drive left track driver train Q(L) rotate, right lateral star gear D 83 drives the external gear of right lateral carrier D82 to rotate, and then drive right side track driver train Q(R) rotate, when the unpowered input of differential steering one axle D1, because left and right sides planetary gear carrier gear ring is fixed by rightabout steering gear, now differential steering device locking, left and right sides planetary wheel equispeed output, when the dynamic input of differential steering one axle D1, left gear ring D95 on the D9 of left side sun and planet gear turns to contrary with the right gear ring D85 on the sun and planet gear D8 of right side, now between left lateral carrier and right lateral carrier, produces velocity contrast, thus realizes turning to.
More than show and describe groundwork of the present utility model and principal character and advantage of the present utility model.The technical personnel of the industry should be understood; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets 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 (9)
1. a double dynamical input type continuously tracked vehicle change-speed box, comprise casing, it is characterized in that: casing is provided with power input mechanism, double dynamical input mechanism, intermediate transmission mechanism, differential speed type driver train, left track driver train, right side track driver train, power take-off mechanism, the concrete connection structure of each mechanism is as follows:
Described power input mechanism comprises power and inputs the first axle, PTO power drive shaft, and power take-off mechanism comprises power take-off shaft, wherein:
It is power intake that power inputs first axle one end, and be installed in the first hubcap by the first axle thrust bearing, first hubcap is anchored on casing, the other end is installed on casing by the first axle deep groove ball bearing, first axle deep groove ball bearing side is provided with power input finishing bevel gear cuter, power input wheel sleeve is provided with between power input finishing bevel gear cuter and the first axle deep groove ball bearing, be set with PTO duplex slippage power shift gear between first axle thrust bearing and the first axle deep groove ball bearing, PTO duplex slippage power shift gear is provided with power input selector fork;
PTO power drive shaft one end is installed in casing by deep groove ball bearing in deep groove ball bearing before transmission shaft and transmission shaft, and undertaken spacing by transmission shaft outer end cap, and between deep groove ball bearing, PTO duplex power shift gear is installed in deep groove ball bearing and transmission shaft before transmission shaft, the PTO power drive shaft other end is provided with the main deceleration driving gear of PTO, and being installed in casing by deep groove ball bearing after transmission shaft, after transmission shaft, deep groove ball bearing is undertaken spacing by transmission shaft inner end cap;
Power take-off shaft one end is clutch end, this end is installed on casing by the outer deep groove ball bearing of output shaft, and undertaken spacing by output shaft outer end cap, the other end is installed on casing by deep groove ball bearing in output shaft, in output shaft, deep groove ball bearing side is provided with output shaft inner end cap and carries out spacing, be provided with the main reduction driven gear of PTO between deep groove ball bearing in the outer deep groove ball bearing of output shaft and output shaft, and be provided with main reduction driven wheel sleeve between the main reduction driven gear of PTO and the outer deep groove ball bearing of output shaft;
Described double dynamical input mechanism comprises hydrostatic toric transmission, the power of being located at casing side and inputs the second axle, power input the 3rd axle, wherein:
Hydrostatic toric transmission is provided with hydrostatic toric transmission power input shaft and hydrostatic toric transmission power take-off shaft, the end of hydrostatic toric transmission power input shaft and hydrostatic toric transmission power take-off shaft stretches in casing, and the end of hydrostatic toric transmission power take-off shaft is provided with hydrostatic toric transmission power output gear;
Power inputs second axle one end and is connected with hydrostatic toric transmission power input shaft, and be installed on casing by the second axle deep groove ball bearing, power inputs the second axle other end and is provided with Power output spline, and be installed on casing by the second axle thrust bearing, power inputs on the second axle and is provided with driven wheel of differential and machinery gear driving gear, driven wheel of differential side is provided with driven wheel of differential sleeve, and driven wheel of differential and power input finishing bevel gear cuter and engages;
The mounting structure at power input the 3rd axle two ends is the same, its one end is installed on casing by the 3rd axle deep groove ball bearing, and be provided with the 3rd hubcap and carry out spacing, power input the 3rd axle is provided with the stepless gear gear of the 3rd axle, double dynamical input splined hub, 3rd shaft mechanical gear gear and the 3rd axle input gear, 3rd axle stepless gear gear inputs on the 3rd axle by stepless gear wheel sliding bearing sleeve empty set at power, 3rd shaft mechanical gear gear inputs on the 3rd axle by mechanical gear wheel sliding bearing sleeve empty set at power, tight sleeve is provided with between 3rd axle stepless gear gear and double dynamical input splined hub, the 3rd axle stepless gear gear other end is provided with stepless gear wheel sleeve, 3rd axle stepless gear gear engages with hydrostatic toric transmission power output gear, 3rd shaft mechanical gear gear keeps off driving gear with machinery and engages, double dynamical input splined hub is provided with combined cover, combined cover is provided with selector fork, 3rd axle input gear outputs power,
Described intermediate transmission mechanism comprises tween drive shaft, tween drive shaft transmission gear, reversing gear, reversing shaft, the structure at tween drive shaft two ends is identical, its one end is installed on casing by tween drive shaft deep groove ball bearing, and undertaken spacing by tween drive shaft end cap, in the middle of tween drive shaft, tween drive shaft transmission gear is installed; The structure at the two ends of reversing shaft is identical, its one end is installed on casing by reversing shaft deep groove ball bearing, and is undertaken spacing by reversing shaft end cap, and reversing shaft is provided with reversing gear, reversing gear engages with tween drive shaft transmission gear, and tween drive shaft transmission gear engages with the 3rd axle input gear;
Described differential speed type driver train comprises differential steering one axle, differential steering tween drive shaft, differential gear axle, differential steering one axle one end extend out to outside casing and is connected with outer power, and be installed on casing by the left deep groove ball bearing of differential one axle, the left deep groove ball bearing of differential one axle is undertaken spacing by differential one axle left end cap, the differential steering one axle other end is installed on casing by the right deep groove ball bearing of differential one axle, and undertaken spacing by differential one axle right end cap, differential steering one axle is provided with differential steering left side gear and differential steering right side gear; The mounting structure at differential steering tween drive shaft two ends is the same, and its one end is installed on casing by differential tween drive shaft deep groove ball bearing, and is undertaken spacing by differential tween drive shaft end cap; Differential steering tween drive shaft is provided with differential steering intermediate gear, differential steering intermediate gear side is provided with differential breast wheel sleeve; The mounting structure at differential gear axle two ends is the same, its one end is installed on casing by differential gear axle deep groove ball bearing, and being undertaken spacing by differential gear hubcap, differential gear axle is provided with the main reduction gear that is positioned at differential gear axle middle and left side sun and planet gear, right side sun and planet gear that structure identical symmetrical with about main reduction gear;
Left side sun and planet gear comprises the left lateral carrier be sleeved on successively on differential gear axle, left sun wheel and left gear ring, left planetary wheel is installed in left lateral carrier by left planetary wheel supporting component circumference is uniform, and engage with the inner gear of left gear ring and left sun wheel simultaneously, left lateral carrier is installed on differential gear axle by needle bearing, and left gear ring is installed on differential gear axle by left sliding bearing sleeve two;
Right side sun and planet gear comprises the right lateral carrier be sleeved on successively on differential gear axle, right sun wheel and right gear ring, right planetary wheel is installed in right lateral carrier by right planetary wheel supporting component circumference is uniform, and engage with the inner gear of right gear ring and right sun wheel simultaneously, right lateral carrier is installed on differential gear axle by needle bearing, and right gear ring is installed on differential gear axle by right sliding bearing sleeve two;
The external toothing of right gear ring engages with differential steering intermediate gear, and differential steering intermediate gear engages with differential steering right side gear, and the external toothing of left gear ring engages with differential steering left side gear, and main reduction gear engages with reversing gear;
Described left track driver train is identical with right side track driving mechanism structure, and it is symmetrical about main reduction gear, left track driver train comprises track propulsion axle, described track propulsion axle is installed on casing by axle drive shaft deep groove ball bearing, and undertaken spacing by the axle drive shaft end cap be arranged on cabinet exterior, track propulsion axle one end to be stretched in casing and is provided with driven wheel, the other end to be positioned at outside casing and to be provided with track propulsion fluted disc, brake disc is fixed with inside track propulsion fluted disc, brake disc is provided with brake strap and brake clamp, track propulsion axle is also provided with support protheca by support sleeve deep groove ball bearing, be provided with in support between support protheca and axle drive shaft end cap and overlap.
2. one according to claim 1 double dynamical input type continuously tracked vehicle change-speed box, it is characterized in that, in described power input mechanism: first axle thrust bearing one end is provided with for carrying out the first spacing axle thrust bearing snap ring to the first hubcap, first axle thrust bearing snap ring is hole snap ring, and in transmission shaft, deep groove ball bearing one end is provided with deep groove ball bearing snap ring in transmission shaft.
3. one according to claim 1 double dynamical input type continuously tracked vehicle change-speed box, it is characterized in that, in described power take-off mechanism: being provided with the first Simmer ring sealed for inputting the first axle to power in the first hubcap, being provided with the output shaft seal ring for sealing power take-off shaft in described output shaft outer end cap.
4. one according to claim 1 double dynamical input type continuously tracked vehicle change-speed box, it is characterized in that, in described double dynamical input mechanism: machinery gear driving gear side is provided with machinery gear driving wheel snap ring, hydrostatic toric transmission power output gear side is provided with stepless output wheel snap ring, and the 3rd axle input gear one end is provided with the 3rd axle wheel for inputting snap ring.
5. one according to claim 1 double dynamical input type continuously tracked vehicle change-speed box, is characterized in that, in described intermediate transmission mechanism: the side of reversing gear is provided with reverse wheel snap ring, and the side of intermediate drive gear is provided with intermediate transmission wheel snap ring.
6. one according to claim 1 double dynamical input type continuously tracked vehicle change-speed box, is characterized in that, in described differential speed type driver train: in differential one axle left end cap, corresponding differential steering one axle place is provided with differential one axle lip-shaped sealed ring and seals; Differential steering left side gear side is provided with differential left gear snap ring and carries out spacing; Differential steering right side gear side is provided with differential right gear snap ring and carries out spacing.
7. one according to claim 1 double dynamical input type continuously tracked vehicle change-speed box, it is characterized in that, in described differential speed type driver train: left planetary wheel supporting component is identical with the structure of right planetary wheel supporting component, right planetary wheel supporting component comprises right planetary wheel pivot shaft, be sleeved on right sliding bearing sleeve one on right planetary wheel pivot shaft and right planetary wheel fixed mount, right planetary wheel pivot shaft one end interference is installed in right lateral carrier, and the other end is set with the right planetary wheel fixed mount for limiting right planetary end float misalignment.
8. one according to claim 1 double dynamical input type continuously tracked vehicle change-speed box, it is characterized in that, in described left track driver train, described driven wheel one end is provided with drive wheel snap ring, support in protheca and be provided with the support sleeve lip-shaped sealed ring being positioned at support sleeve deep groove ball bearing outer end, support sleeve deep groove ball bearing side is provided with support sleeve bearing snap ring.
9. one according to claim 1 double dynamical input type continuously tracked vehicle change-speed box, it is characterized in that, the first described hubcap, transmission shaft outer end cap, transmission shaft inner end cap, output shaft outer end cap, output shaft inner end cap, the second hubcap, the 3rd hubcap, tween drive shaft end cap, reversing shaft end cap, differential one axle left end cap, differential one axle right end cap, differential tween drive shaft end cap, differential gear hubcap, axle drive shaft end cap are all fastened by bolts on casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520716488.8U CN204937224U (en) | 2015-09-16 | 2015-09-16 | A kind of double dynamical input type continuously tracked vehicle change-speed box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520716488.8U CN204937224U (en) | 2015-09-16 | 2015-09-16 | A kind of double dynamical input type continuously tracked vehicle change-speed box |
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| Publication Number | Publication Date |
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| CN204937224U true CN204937224U (en) | 2016-01-06 |
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| CN201520716488.8U Withdrawn - After Issue CN204937224U (en) | 2015-09-16 | 2015-09-16 | A kind of double dynamical input type continuously tracked vehicle change-speed box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105151120A (en) * | 2015-09-16 | 2015-12-16 | 湖南农业大学 | Double-power input type transmission for caterpillar |
-
2015
- 2015-09-16 CN CN201520716488.8U patent/CN204937224U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105151120A (en) * | 2015-09-16 | 2015-12-16 | 湖南农业大学 | Double-power input type transmission for caterpillar |
| CN105151120B (en) * | 2015-09-16 | 2016-05-04 | 湖南农业大学 | A kind of double dynamical input type endless-track vehicle speed changer |
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