CN204937223U - A kind of continuously tracked vehicle planetary gear differential steering hardware - Google Patents
A kind of continuously tracked vehicle planetary gear differential steering hardware Download PDFInfo
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- CN204937223U CN204937223U CN201520716439.4U CN201520716439U CN204937223U CN 204937223 U CN204937223 U CN 204937223U CN 201520716439 U CN201520716439 U CN 201520716439U CN 204937223 U CN204937223 U CN 204937223U
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- gear
- sun
- pivot shaft
- shaft
- differential steering
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Abstract
A kind of continuously tracked vehicle planetary gear differential steering hardware, wherein, steering shaft is installed on casing, and on steering shaft, be set with differential steering left side gear and reverse idler gear, be set with sleeve below reverse idler gear, HM Hydraulic Motor is arranged between steering shaft and the wheeled pivot shaft of the sun; The sun wheeled pivot shaft one end is sleeved in left track propulsion axle, and the other end is sleeved in right-hand track chiain axle drive shaft, outputs power to drive left track driving mechanism and right-hand track chiain driver train to walk; The wheeled pivot shaft outer face of the sun is processed with external tooth, and main reduction driven gear is set with in the middle part of the wheeled pivot shaft of the sun, main reduction driven gear side is provided with right side sun and planet gear, opposite side is provided with left side sun and planet gear, the motor drive shaft of HM Hydraulic Motor is provided with motor gear, and motor gear engages with reverse idler gear; By HM Hydraulic Motor Direct driver differential steering system, effectively overcome existing continuously tracked vehicle and travel slip angle force and the edge of a field and turn to problems such as stopping up mud.
Description
Technical field
The utility model relates to continuously tracked vehicle actuation techniques field, particularly relates to a kind of continuously tracked vehicle planetary gear differential steering hardware.
Background technology
Due to the principle of work of continuously tracked vehicle driving system and the travel operation principle of two-wheeled field machine similar, change-speed box be usually integrated with turn to, differential, main deceleration, one or more functions such as braking; But be at least integrated with turning function, what its turning function adopted steering track rod to operate dental clutch and multi-disc brake usually turns to scheme, specific implementation process 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 continuously tracked vehicle planetary gear differential steering hardware, to solve the shortcoming in above-mentioned background technology.
The technical matters that the utility model solves realizes by the following technical solutions:
A kind of continuously tracked vehicle planetary gear differential steering hardware, comprises differential steering left side gear, steering shaft, reverse idler gear, HM Hydraulic Motor, the wheeled pivot shaft of the sun, right side sun and planet gear, left side sun and planet gear, main reduction driven gear and casing; Wherein, steering shaft is installed on casing, and on steering shaft, be set with differential steering left side gear and reverse idler gear, and steering shaft below reverse idler gear is set with sleeve, and HM Hydraulic Motor is arranged on the casing between steering shaft and the wheeled pivot shaft of the sun; The sun wheeled pivot shaft one end is sleeved in left track propulsion axle, and the other end is sleeved in right-hand track chiain axle drive shaft, drives left track driving mechanism and right-hand track chiain driver train to walk for outputing power; The wheeled pivot shaft outer face of the sun is processed with the external tooth for playing the effect of sun and planet gear sun wheel, and main reduction driven gear is set with in the middle part of the wheeled pivot shaft of the sun, main reduction driven gear side is provided with right side sun and planet gear, opposite side is provided with left side sun and planet gear, the motor drive shaft of HM Hydraulic Motor is provided with motor gear, and motor gear engages with reverse idler gear.
In the utility model, steering shaft two ends are arranged in commutation end cap respectively by deep groove ball bearing, and commutation end cap is fastened by bolts and is installed on casing.
In the utility model, the wheeled pivot shaft two ends of the sun are respectively arranged with needle bearing, for accepting axial component when left track propulsion axle and right-hand track chiain axle drive shaft dynamic rotary transferring power.
In the utility model, in the sun and planet gear of left side, left lateral star gear set is on left planetary wheel pivot shaft, and be arranged symmetrically with along left planetary wheel fixed mount circumferentially dividing equally four groups, left planetary wheel fixed mount is arranged on the wheeled pivot shaft of the sun by sliding bearing sleeve, left planet carrier gear is articulated on the external tooth of the wheeled pivot shaft of the sun, left track propulsion axle, and is engaged with motor gear by reverse idler gear.
In the utility model, in the sun and planet gear of right side, right lateral star gear set is on right planetary wheel pivot shaft, and be arranged symmetrically with along right planetary wheel fixed mount circumferentially dividing equally four groups, right planetary wheel fixed mount is arranged on the wheeled pivot shaft of the sun by sliding bearing sleeve, right planet carrier gear is articulated on the external tooth of the wheeled pivot shaft of the sun, right-hand track chiain axle drive shaft, and engages with motor gear.
In the utility model, the female splines of main reduction driven gear is profile of tooth spline, with the external tooth of the wheeled pivot shaft outer face of the sun in conjunction with formation a pair spline.
In the utility model, motor drive shaft both sides are respectively arranged with snap ring, for carrying out spacing to motor drive shaft.
In the utility model, left track propulsion axle and right-hand track chiain axle drive shaft are arranged in Driving terminal respectively by deep groove ball bearing, and Driving terminal is fastened by bolts and is installed on casing.
In the utility model, modulus, the number of teeth of motor gear and differential steering left side gear are identical.
In the utility model, when turning to the left, differential steering left side gear and left lateral star gears meshing, when turning to the right, motor gear and left lateral star gears meshing; Due to the right planet carrier gear of HM Hydraulic Motor one end Direct driver, the other end is by the left planet carrier gear of reverse idler gear commutation rear drive, and the modulus of motor gear and differential steering left side gear, the number of teeth are identical, therefore when fluid motor-driven, left planet carrier gear, right lateral carrier gear rotational speed are equal, and direction is contrary, to form by the planetary gear carrier differential steering system of fluid motor-driven;
When planetary gear carrier differential steering system constant speed locking exports, power transfers to the wheeled pivot shaft of the sun by the input of main reduction driven gear, the sun wheeled pivot shaft left end is to left planetary wheel, by left lateral star gear transmission to left track propulsion axle, the sun wheeled pivot shaft right-hand member is to right planetary wheel, and right lateral star gear transmission is to right-hand track chiain axle drive shaft; During equispeed output, HM Hydraulic Motor does not work, when HM Hydraulic Motor is not rotated, the amount of force of differential steering left side gear and reverse idler gear is equal, and direction is contrary, steering shaft self-locking, left planet carrier gear, right planet carrier gear are fixed, the rotation on left planetary wheel pivot shaft of left planetary wheel, the rotation on right planetary wheel pivot shaft of right planetary wheel, now left track propulsion axle, right-hand track chiain axle drive shaft equispeed output;
When planetary gear carrier differential steering system differential steering exports, HM Hydraulic Motor is rotated, left planet carrier gear, the input direction of right planet carrier gear is contrary, the power that output speed is equal, this power and constant speed locking export and produce compound motion, left planetary wheel is impelled both also to revolve round the sun around the wheeled pivot shaft of the sun around the rotation of left planetary wheel pivot shaft, right planetary wheel both also revolved round the sun around the wheeled pivot shaft of the sun around the rotation of right planetary wheel pivot shaft, and the direction of its both sides revolution is identical, both the left track propulsion axle rotating speed of side had been made to increase, and the rotating speed of opposite side right-hand track chiain axle drive shaft reduces, and then realize turning to.
Beneficial effect: the utility model adopts the right planet carrier gear of HM Hydraulic Motor Direct driver, through the left planet carrier gear of reverse idler gear commutation rear drive, left planet carrier gear, right lateral carrier gear rotational speed are equal, and direction is contrary; Left and right sides steering gear engages with left and right sides planet carrier gear respectively, and amount of force when HM Hydraulic Motor is not rotated on the steering gear of both sides is equal, and direction is contrary, and realize self-locking, differential steering system does not realize turning to; When fluid motor-driven steering gear moves, because both sides output speed is equal, direction is contrary, both sides axle drive shaft exports variable speed rotating speed under the compound action of the transmission of planet gear transmission and fluid-link steering, realization turns to, this steering structure precisely turns to by regulating hydraulic motor rotary speed to realize, even field pivot turn, be convenient to realize remote machine electrohydraulic integration control simultaneously, effectively overcome that existing continuously tracked vehicle travels slip angle force, the edge of a field turns to problems such as stopping up mud.
Accompanying drawing explanation
Fig. 1 is the structural representation of preferred embodiment of the present utility model.
Fig. 2 is U-U place cutaway view in Fig. 1.
Fig. 3 is V-V place cutaway view in Fig. 1.
Fig. 4 is W-W place cutaway view in Fig. 1.
Fig. 5 is Y-Y place cutaway view in Fig. 1.
Fig. 6 is Z-Z place cutaway view in Fig. 1.
Fig. 7 is the left side sun and planet gear structural representation in preferred embodiment of the present utility model.
Fig. 8 is the right side sun and planet gear structural representation in preferred embodiment of the present utility model.
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 a kind of continuously tracked vehicle planetary gear differential steering hardware of Fig. 1 ~ Fig. 8, comprise differential steering left side gear D1, steering shaft D2, reverse idler gear D3, HM Hydraulic Motor D4, motor drive shaft D5, motor gear D6, the wheeled pivot shaft D7 of the sun, right side sun and planet gear D8, left side sun and planet gear D9, main reduction driven gear D10, right planetary wheel pivot shaft D81, right lateral star gear D 82, right lateral carrier gear D 83, right planetary wheel fixed mount D84, left planetary wheel pivot shaft D91, left lateral star gear D 92, left lateral carrier gear D 93, left planetary wheel fixed mount D94 and left track propulsion axle Q1, right-hand track chiain axle drive shaft R1, commutation end cap G1, snap ring G2, reasoning bearing G4, bolt G5, deep groove ball bearing G6, sleeve G7, Driving terminal G8, needle bearing G9 and sliding bearing sleeve G10, steering shaft D2 two ends are arranged in commutation end cap G1 respectively by deep groove ball bearing G6, commutation end cap G1 is installed on casing X by bolt G5 is fastening, and on steering shaft D2, be set with differential steering left side gear D1 and reverse idler gear D3, and steering shaft D2 below reverse idler gear D3 is set with sleeve G7, HM Hydraulic Motor D4 is arranged on the casing X between steering shaft D2 and the wheeled pivot shaft D7 of the sun, the sun wheeled pivot shaft D7 one end is sleeved in left track propulsion axle Q1, the other end is sleeved in right-hand track chiain axle drive shaft R1, left track driving mechanism Q and right-hand track chiain driver train R is driven to walk for outputing power, be respectively arranged with needle bearing G9 at the sun wheeled pivot shaft D7 two ends simultaneously, for accepting axial component when left track propulsion axle Q1 and right-hand track chiain axle drive shaft R1 dynamic rotary transferring power, the sun wheeled pivot shaft D7 outer face is processed with external tooth, this external tooth is for playing the sun wheel effect of sun and planet gear, main reduction driven gear D10 is set with in the middle part of it, main reduction driven gear D10 side is provided with right side sun and planet gear D8, opposite side is provided with left side sun and planet gear D9, the motor drive shaft D5 of HM Hydraulic Motor D4 is provided with motor gear D6, and motor gear D6 engages with reverse idler gear D3,
In the sun and planet gear D9 of left side, left lateral star gear D 92 is sleeved on left planetary wheel pivot shaft D91, and be arranged symmetrically with along left planetary wheel fixed mount D94 circumferentially dividing equally four groups, left planetary wheel fixed mount D94 is arranged on the wheeled pivot shaft D7 of the sun by sliding bearing sleeve G10, left lateral carrier gear D 93 is articulated on the external tooth of the sun wheeled pivot shaft D7, left track propulsion axle Q1, and is engaged with motor gear D6 by reverse idler gear D3; When turning to the left, differential steering left side gear D1 engages with left lateral star gear D 92, and when turning to the right, motor gear D6 engages with left lateral star gear D 92;
In the sun and planet gear D8 of right side, right lateral star gear D 82 is sleeved on right planetary wheel pivot shaft D81, and be arranged symmetrically with along right planetary wheel fixed mount D84 circumferentially dividing equally four groups, right planetary wheel fixed mount D84 is arranged on the wheeled pivot shaft D7 of the sun by sliding bearing sleeve G10, right lateral carrier gear D 83 is articulated on the external tooth of the wheeled pivot shaft D7 of the sun, right-hand track chiain axle drive shaft R1, and engages with motor gear D6.
In the present embodiment, the female splines of main reduction driven gear D10 is profile of tooth spline, is combined, forms a pair spline with the external tooth of the sun wheeled pivot shaft D7 outer face.
In the present embodiment, motor drive shaft D5 both sides are respectively arranged with snap ring G2, for spacing to motor drive shaft D5.
In the present embodiment, left track propulsion axle Q1 and right-hand track chiain axle drive shaft R1 is arranged in Driving terminal G8 respectively by deep groove ball bearing G6, and Driving terminal G8 is installed on casing X by bolt G5 is fastening.
In the present embodiment, sun and planet gear D9 and right side sun and planet gear D8 is interconnected in left side: due to HM Hydraulic Motor D4 one end Direct driver right lateral carrier gear D 83, opposite side is by reverse idler gear D3 commutation rear drive left lateral carrier gear D 93, and motor gear D6 and differential steering left side gear D1, modulus is identical, the number of teeth is identical, therefore when HM Hydraulic Motor D4 drives, left lateral carrier gear D 93, right lateral carrier gear D 83 rotating speed are equal, and direction is contrary, to form the planetary gear carrier differential steering system driven by HM Hydraulic Motor D4; Its principle of work:
1, (output of constant speed locking) is driven:
Power is inputted by main reduction driven gear D10 and transfers to the wheeled pivot shaft D7 of the sun, the sun wheeled pivot shaft D7 left end is to left lateral star gear D 92, left track propulsion axle Q1 is transferred to by left lateral star gear D 92, the sun wheeled pivot shaft D7 right-hand member is to right lateral star gear D 82, and right lateral star gear D 82 transfers to right-hand track chiain axle drive shaft R1; During equispeed output, HM Hydraulic Motor D4 does not work, when HM Hydraulic Motor D4 does not rotate, the amount of force of differential steering left side gear D1 and reverse idler gear D3 is equal, and direction is contrary, steering shaft D2 self-locking, left lateral carrier gear D 93, right lateral carrier gear D 83 are fixed, left lateral star gear D 92 rotation on left planetary wheel pivot shaft D91, right lateral star gear D 82 rotation on right planetary wheel pivot shaft D81, now left track propulsion axle Q1, right-hand track chiain axle drive shaft R1 equispeed output;
2, differential steering exports:
When HM Hydraulic Motor D4 rotates, the input direction of left lateral carrier gear D 93, right lateral carrier gear D 83 is contrary, the power that rotating speed is equal; The power that this power and main reduction driven gear D10 drive produces compound motion, left lateral star gear D 92 is impelled both also to revolve round the sun around the wheeled pivot shaft D7 of the sun around left planetary wheel pivot shaft D91 rotation, right lateral star gear D 82 both also revolved round the sun around the wheeled pivot shaft D7 of the sun around right planetary wheel pivot shaft D81 rotation, and the direction of its both sides revolution is identical, both the left track propulsion axle Q1 rotating speed of side had been made to increase, and the rotating speed of opposite side right-hand track chiain axle drive shaft R1 reduces, and then realize 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 continuously tracked vehicle planetary gear differential steering hardware, comprises differential steering left side gear, steering shaft, reverse idler gear, HM Hydraulic Motor, the wheeled pivot shaft of the sun, right side sun and planet gear, left side sun and planet gear, main reduction driven gear and casing; It is characterized in that, steering shaft is installed on casing, and on steering shaft, be set with differential steering left side gear and reverse idler gear, and steering shaft below reverse idler gear is set with sleeve, HM Hydraulic Motor is arranged on the casing between steering shaft and the wheeled pivot shaft of the sun; The sun wheeled pivot shaft one end is sleeved in left track propulsion axle, and the other end is sleeved in right-hand track chiain axle drive shaft; The wheeled pivot shaft outer face of the sun is processed with the external tooth for playing the effect of sun and planet gear sun wheel, and main reduction driven gear is set with in the middle part of the wheeled pivot shaft of the sun, main reduction driven gear side is provided with right side sun and planet gear, opposite side is provided with left side sun and planet gear, the motor drive shaft of HM Hydraulic Motor is provided with motor gear, and motor gear engages with reverse idler gear.
2. a kind of continuously tracked vehicle planetary gear differential steering hardware according to claim 1, is characterized in that, steering shaft two ends are arranged in commutation end cap respectively by deep groove ball bearing, and commutation end cap is fastened by bolts and is installed on casing.
3. a kind of continuously tracked vehicle planetary gear differential steering hardware according to claim 1, is characterized in that, the wheeled pivot shaft two ends of the sun are respectively arranged with needle bearing.
4. a kind of continuously tracked vehicle planetary gear differential steering hardware according to claim 1, it is characterized in that, in the sun and planet gear of left side, left lateral star gear set is on left planetary wheel pivot shaft, and be arranged symmetrically with along left planetary wheel fixed mount circumferentially dividing equally four groups, left planetary wheel fixed mount is arranged on the wheeled pivot shaft of the sun by sliding bearing sleeve, left planet carrier gear is articulated on the external tooth of the wheeled pivot shaft of the sun, left track propulsion axle, and is engaged with motor gear by reverse idler gear.
5. a kind of continuously tracked vehicle planetary gear differential steering hardware according to claim 1, it is characterized in that, in the sun and planet gear of right side, right lateral star gear set is on right planetary wheel pivot shaft, and be arranged symmetrically with along right planetary wheel fixed mount circumferentially dividing equally four groups, right planetary wheel fixed mount is arranged on the wheeled pivot shaft of the sun by sliding bearing sleeve, and right planet carrier gear is articulated on the external tooth of the wheeled pivot shaft of the sun, right-hand track chiain axle drive shaft, and engages with motor gear.
6. a kind of continuously tracked vehicle planetary gear differential steering hardware according to claim 1, is characterized in that, the female splines of main reduction driven gear is profile of tooth spline, with the external tooth of the wheeled pivot shaft outer face of the sun in conjunction with formation a pair spline.
7. a kind of continuously tracked vehicle planetary gear differential steering hardware according to claim 1, it is characterized in that, motor drive shaft both sides are respectively arranged with snap ring.
8. a kind of continuously tracked vehicle planetary gear differential steering hardware according to claim 1, it is characterized in that, left track propulsion axle and right-hand track chiain axle drive shaft are arranged in Driving terminal respectively by deep groove ball bearing, and Driving terminal is fastened by bolts and is installed on casing.
9. a kind of continuously tracked vehicle planetary gear differential steering hardware according to claim 1, is characterized in that, modulus, the number of teeth of motor gear and differential steering left side gear are identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520716439.4U CN204937223U (en) | 2015-09-16 | 2015-09-16 | A kind of continuously tracked vehicle planetary gear differential steering hardware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520716439.4U CN204937223U (en) | 2015-09-16 | 2015-09-16 | A kind of continuously tracked vehicle planetary gear differential steering hardware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204937223U true CN204937223U (en) | 2016-01-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520716439.4U Withdrawn - After Issue CN204937223U (en) | 2015-09-16 | 2015-09-16 | A kind of continuously tracked vehicle planetary gear differential steering hardware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204937223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059389A (en) * | 2015-09-16 | 2015-11-18 | 湖南省农友机械集团有限公司 | Planetary gear differential steering device for tracked vehicle |
-
2015
- 2015-09-16 CN CN201520716439.4U patent/CN204937223U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059389A (en) * | 2015-09-16 | 2015-11-18 | 湖南省农友机械集团有限公司 | Planetary gear differential steering device for tracked vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160106 Effective date of abandoning: 20160511 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |