CN202574366U - Stepless steering system for caterpillar vehicle - Google Patents
Stepless steering system for caterpillar vehicle Download PDFInfo
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- CN202574366U CN202574366U CN 201220068357 CN201220068357U CN202574366U CN 202574366 U CN202574366 U CN 202574366U CN 201220068357 CN201220068357 CN 201220068357 CN 201220068357 U CN201220068357 U CN 201220068357U CN 202574366 U CN202574366 U CN 202574366U
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- 230000008878 coupling Effects 0.000 claims 1
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Abstract
本实用新型涉及用于履带车辆的无级转向系统，包括分流机构、直驶机构和转向机构，所述的分流机构具有用于与相应动力源连接的输入端和分别与所述直驶机构和转向机构相连的两个输出端，所述的分流机构包括分流行星排，所述的分流行星排由具有太阳轮、齿圈和行星架三元件的行星齿轮传动机构构成，所述的三元件中其中一个元件为构成所述分流机构的输入端的动力输入元件，另外两个为通过制动机构可分别制动的动力输出元件，所述的两个动力输出元件构成了所述分流机构的两个输出端。本实用新型通过机械式的分流机构降低了现有液压机械差速转向系统中分流机构的加工难度和制作成本。
The utility model relates to a stepless steering system for crawler vehicles, comprising a flow diversion mechanism, a direct drive mechanism and a steering mechanism. The two output ends connected to the steering mechanism, the said diverter mechanism includes a diverter planetary row, and the said diverter planetary row is composed of a planetary gear transmission mechanism with three elements: the sun gear, the ring gear and the planet carrier, and the three One of the elements is the power input element that constitutes the input end of the split mechanism, and the other two are power output elements that can be braked separately by the brake mechanism, and the two power output elements constitute the power output element of the split mechanism. two outputs. The utility model reduces the processing difficulty and production cost of the current diversion mechanism in the existing hydraulic-mechanical differential steering system through the mechanical diversion mechanism.
Description
Technical field
The utility model relates to a kind of mechanical stepless steering swivel system that is used for continuously tracked vehicle.
Background technology
Steering clutch and hydraulic machinery differential steering system etc. have roughly been experienced in the development of the steering swivel system of continuously tracked vehicle.
Steering clutch is a multi-plate friction clutch, leans on the friction force transmitting torque of friction surface, when separating the steering clutch of a certain side, just can reduce or cut off this side drive wheel institute torque transmitted, continuously tracked vehicle is turned to go.Because it is simple in structure, easily manufactured, has obtained extensive utilization on the middle-size and small-size continuously tracked vehicle in early days.But because its production efficiency is low, energy consumption is big, along with the continuous increase of continuously tracked vehicle power, the application of steering clutch receives certain restriction.
2005 the 21st the 3rd phases of volume of hydraulic machinery differential steering system such as Chinese agriculture engineering journal disclosed " power analysis of Dongfanghong 1302R tractor hydraulic machinery differential screw and steering device "; Hydraulic machinery differential steering system is made up of diversion mechanism, straight mechanism, steering hardware and the left and right planet row of confluxing; The wherein left and right planet row of confluxing constitutes by cooresponding planetary gear mechanism, and engine power flows to straight mechanism through diversion mechanism shunting back one road; One the road flows to steering hardware; The two-way power of the straight of flowing through mechanism and steering hardware gets into corresponding planet row through left and right planet row's gear ring and sun wheel respectively; And by cooresponding left and right pinion carrier output, the various combination of the size and Orientation through the two-way power circuit is accomplished the divertical motion of vehicle.Hydraulic machinery differential steering system is the compound hydraulic mechanical type double power flow steering swivel system of hydrostatic drive, mechanical drive and epicyclic gear transmission.Compare with mechanical double power circuit steering swivel system, it have dynamics good, can make advantages such as continuously tracked vehicle is realized stepless, pivot stud, operating efficiency is high, operation is light, labour intensity is low, road grabbing good, turning track is accurate.But diversion mechanism and steering hardware in the hydraulic machinery differential steering system are fluid control; Need high precision, high-power Hydraulic Elements; Make the continuously tracked vehicle manufacturing cost and use cost of this steering swivel system of equipment high, on homemade continuously tracked vehicle, use at present also to receive certain limitation.
The utility model content
The purpose of the utility model is to provide a kind of mechanical stepless steering swivel system that is used for continuously tracked vehicle, to reduce the difficulty of processing and the cost of manufacture of diversion mechanism in the existing hydraulic machinery differential steering system.
In order to address the above problem, the technical scheme of the utility model is:
The continuous turning system that is used for continuously tracked vehicle; Comprise diversion mechanism, straight mechanism and steering hardware; Described diversion mechanism has and is used for and corresponding propulsion source bonded assembly input end and two mouths that link to each other with steering hardware with said straight mechanism respectively; Described diversion mechanism comprises shunting planet row; Described shunting planet row constitutes by having the three-element planetary gear mechanism of sun wheel, gear ring and pinion carrier; One of them element is the power input element of the input end of the said diversion mechanism of formation in the described element, two other power output element for braking respectively through stop mechanism, and described two power output elements have constituted two mouths of said diversion mechanism.
Described stop mechanism is hydraulic pressure, air pressure or mechanical type stop mechanism.
The described continuous turning system that is used for continuously tracked vehicle also comprises the left and right planet row of confluxing who is in transmission connection with said straight mechanism and steering hardware, confluxes and captive joint through synchronization structure between the gear ring that planet arranges in conflux planet row's gear ring and the said right side, a said left side.
Described steering hardware comprises left and right double crosslinking gear shaft and arranges the left and right dual gear that is in transmission connection with the corresponding left and right planet that confluxes respectively; Described left and right dual gear is installed in respectively on the described left and right double crosslinking gear shaft; Described steering hardware also comprise can select as required with said left dual gear or right dual gear in a gear transmission bonded assembly cliding gear; Another meshed transmission gear in another gear in the said left dual gear and the said right dual gear, a power output element among described cliding gear and the said shunting planet row is in transmission connection.
Be parallel to each other between three axis of said cliding gear, left dual gear and right dual gear, and the spacing between three axis equates in twos.
Described straight mechanism comprises the change speed gear box that another power output element among power intake and the said shunting planet row is in transmission connection, and the clutch end of said change speed gear box is in transmission connection through gear drive and described synchronization structure.
Described synchronization structure is made up of the synchrodrive axle, and conflux planet row's gear ring of an end of said synchrodrive axle and a said left side is connected, and the other end and the said right side planet that confluxes is arranged and is connected.
Described gear drive comprises and the coaxial output finishing bevel gear cuter that is connected of said synchrodrive axle and the input finishing bevel gear cuter, described output finishing bevel gear cuter and the described input finishing bevel gear cuter engaged transmission that are in transmission connection with the mouth of said change speed gear box.
The beneficial effect of the utility model is: the diversion mechanism in the utility model is made up of mechanical shunting planet row, uses shunting planet row's diversion mechanism to have simple to operate, compact conformation, driving efficiency height and advantage of low manufacturing cost.During work; The power of driving engine (or other propulsion source) is arranged one the tunnel through the shunting planet of diversion mechanism and is branched to straight mechanism; One the tunnel branches to steering hardware; A complete glancing impact of power output element in shunting planet row can realize respectively that the straight-line travelling of continuously tracked vehicle or pivot stud go; When two output elements do not brake or with straight mechanism bonded assembly power output element glancing impact, can realize that the continuous turning of continuously tracked vehicle goes.
Further; When cliding gear and left dual gear engaged transmission; Left side dual gear rotary speed direction is opposite with the cliding gear rotary speed direction; Right dual gear because and many one-levels gear transmission between the cliding gear, its rotary speed direction is identical with the cliding gear rotary speed direction, can realize that the continuously tracked vehicle left steering goes; Equally, during the engagement of cliding gear and right dual gear, can realize that the continuously tracked vehicle right steering goes.Adopt cliding gear to realize turning to going, easy to operate, simple in structure, cost of manufacture is lower.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of reversing-gear among Fig. 1;
Fig. 3 is the lateral plan of Fig. 2.
The specific embodiment
The continuous turning system implementation that is used for continuously tracked vehicle is for example shown in Fig. 1 ~ 3: comprise diversion mechanism, straight mechanism, reversing-gear and the left and right planet row of confluxing, the left and right planet row of confluxing constitutes by cooresponding planetary gear mechanism.Diversion mechanism comprises shunting planet row 2; Shunting planet row 2 is made up of the planetary gear mechanism with shunting sun wheel 2a, shunting gear ring 2b and three elements of shunting pinion carrier 2c; Wherein shunt the power input element of pinion carrier 2c for being used for being in transmission connection with corresponding driving engine 1 (or other propulsion source); Shunting pinion carrier 2c has constituted the input end of diversion mechanism; Shunt sun wheel 2a and shunt gear ring 2b for being in transmission connection with straight mechanism 3 with reversing-gear 4 respectively and through the power output element that stop mechanism can be braked respectively, shunting sun wheel 2a and shunt two mouths that gear ring 2b has constituted diversion mechanism, stop mechanism is the mechanical type stop mechanism.The left gear ring 6b that confluxes among the planet row 6 in a left side is captiveed joint through synchronization structure with the right gear ring 7b that the right planet that confluxes is arranged in 7; Synchronization structure is made up of the synchrodrive axle 8 that is arranged between left gear ring 6b and right gear ring 7b; One end of synchrodrive axle 8 and left gear ring 6b are connected, and the other end and right gear ring 7b are connected.The left pinion carrier 6c that confluxes among the planet row 6 in a left side is respectively applied for takeoff output with right pinion carrier 7c among the right planet row 7 of confluxing.Straight mechanism 3 comprises the change speed gear box that power intake and the shunting gear ring 2b that shunts among the planet row 2 are in transmission connection; Change speed gear box is a progressive gear transmission; The clutch end of change speed gear box is in transmission connection through gear drive 5 and synchrodrive axle 8, and gear drive 5 comprises and synchrodrive axle 8 coaxial output finishing bevel gear cuter 5-1 that are connected and the input finishing bevel gear cuter 5-2 that is in transmission connection with the clutch end of change speed gear box 3.Reversing-gear 4 comprises the cliding gear 4-1 that is in transmission connection with the shunting sun wheel 2a that shunts planet row 2; Coaxial only the revolving of cliding gear 4-1 is slidedly assemblied on the slide teeth wheel shaft 4-2; Reversing-gear also comprises left double crosslinking gear shaft 4-3 and the right double crosslinking gear shaft 4-4 that laterally arranges with slide teeth wheel shaft 4-2; Spacing between the axis of wherein left and right double crosslinking gear shaft and slide teeth wheel shaft 4-2 equates in twos; Left side double crosslinking gear shaft 4-3 goes up the coaxial left dual gear 4-5 that is fixed with; Right double crosslinking gear shaft 4-4 goes up the coaxial right dual gear 4-6 that is fixed with, and wherein left dual gear comprises the first gear 4-5-1 and the second gear 4-5-2, and right dual gear comprises the 3rd gear 4-6-1 and the 3rd gear 4-6-2.Can select as required in the sliding process of cliding gear 4-1 on slide teeth wheel shaft 4-2 with left dual gear 4-5 in the first gear 4-5-1 or right dual gear 4-6 in the 3rd gear 4-6-1 be in transmission connection the 4th gear 4-6-2 engaged transmission among second gear 4-5-2 among the left dual gear 4-5 and the right dual gear 4-6.Left and right dual gear also respectively with the corresponding left and right planet row of confluxing in sun wheel be in transmission connection.6a representes a left side left sun wheel among the planet row 6 of confluxing among the figure, and 7c representes the right side right sun wheel among the planet row 7 of confluxing.
The power of driving engine 1 is flowed into by shunting planet row 2 shunting pinion carrier 2c; Shunting planet row 2 passes to straight mechanism 3 and reversing-gear 4 through shunting gear ring 2b and shunting sun wheel 2a respectively with power; One road power passes to the gear ring among the left and right planet row of confluxing through straight mechanism 3, and another road passes to the sun wheel among the left and right planet row of confluxing through reversing-gear.The power that confluxes to the left and right planet row of confluxing is exported through left and right pinion carrier, thus the driven caterpillar tracks vehicle '.Shunting planet row 2 shunting gear ring 2b and shunting sun wheel 2a can brake respectively.When the complete glancing impact of shunting sun wheel 2a; Power is all passed to shunting gear ring 2b from shunting planet row 2 shunting pinion carrier 2c; Gear ring in straight mechanism 3, gear drive 5, the left and right planet row of confluxing flows into and the pinion carrier output in the left and right planet row of confluxing then, realizes the straight-line travelling of continuously tracked vehicle.When the complete glancing impact of shunting gear ring 2b; Power is all passed to shunting sun wheel 2a from shunting planet row 2 shunting pinion carrier 2c; Sun wheel in reversing-gear 4, the left and right planet row of confluxing and final by the pinion carrier output among the left and right planet row of confluxing realizes that the pivot stud of continuously tracked vehicle goes then.When shunting planet row 2 shunting gear ring 2b, shunting sun wheel 2a glancing impact not, power divides the two-way transmission, can realize that according to the proportionate relationship of two-way power the continuously tracked vehicle Turning radius goes to infinitely-great continuous turning from zero.For reversing-gear; When the first gear 4-5-1 engaged transmission among cliding gear 4-1 and the left dual gear 4-5; The rotary speed direction of left side dual gear 4-5 is opposite with cliding gear 4-1 rotary speed direction; Right dual gear 4-6 because and many one-levels gear transmission between the cliding gear 4-1, its rotary speed direction is identical with cliding gear 4-1 rotary speed direction, can realize that the continuously tracked vehicle left steering goes.Equally, when the 3rd gear 4-6-1 among cliding gear 4-1 and the right dual gear 4-6 meshes, can realize that the continuously tracked vehicle right steering goes.Through the use of mechanical type mechanisms such as shunting planet row 2 and cliding gear 4-1, make the whole continuous turning system that is used for continuously tracked vehicle have advantages such as simple to operate, compact conformation, driving efficiency height and low cost of manufacture.
In other embodiment of the utility model, can also adopt shunting sun wheel 2a and straight mechanism 3 to be in transmission connection, to shunt the form that gear ring 2b and reversing-gear 4 are in transmission connection; Certainly the shunting sun wheel 2a among the shunting planet row 2, shunting gear ring 2b, shunting pinion carrier 2c three-element use can also for: shunting sun wheel 2a is the power input element; Shunting gear ring 2b and shunting pinion carrier 2c are power output element; Shunt gear ring 2b and can be in transmission connection with straight mechanism 3 or reversing-gear 4 this moment, and shunting gear ring 2b accordingly can be in transmission connection with reversing-gear 4 or straight mechanism 3.Or shunting gear ring 2b is the power input element; Shunting sun wheel 2a and shunting pinion carrier 2c are power output element; Shunt sun wheel 2a and can be in transmission connection with straight mechanism 3 or reversing-gear 4 this moment, and shunting pinion carrier 2c accordingly can be in transmission connection with reversing-gear 4 or straight mechanism 3.Stop mechanism can also adopt fluid pressure type or pneumatic brake mechanism; Change speed gear box also can adopt stepped transmission case.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220068357 CN202574366U (en) | 2012-02-28 | 2012-02-28 | Stepless steering system for caterpillar vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220068357 CN202574366U (en) | 2012-02-28 | 2012-02-28 | Stepless steering system for caterpillar vehicle |
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| Publication Number | Publication Date |
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| CN202574366U true CN202574366U (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220068357 Expired - Lifetime CN202574366U (en) | 2012-02-28 | 2012-02-28 | Stepless steering system for caterpillar vehicle |
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| CN (1) | CN202574366U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582685A (en) * | 2012-02-28 | 2012-07-18 | 河南科技大学 | Stepless steering system for crawler |
| CN106175573A (en) * | 2016-08-31 | 2016-12-07 | 曹日平 | A kind of new-type glass-cleaning robot |
| CN107953766A (en) * | 2016-10-14 | 2018-04-24 | 郑州宇通客车股份有限公司 | A kind of hybrid power system and the vehicle using the hybrid power system |
-
2012
- 2012-02-28 CN CN 201220068357 patent/CN202574366U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582685A (en) * | 2012-02-28 | 2012-07-18 | 河南科技大学 | Stepless steering system for crawler |
| CN106175573A (en) * | 2016-08-31 | 2016-12-07 | 曹日平 | A kind of new-type glass-cleaning robot |
| CN106175573B (en) * | 2016-08-31 | 2018-07-13 | 李建国 | A kind of new-type glass-cleaning robot |
| CN107953766A (en) * | 2016-10-14 | 2018-04-24 | 郑州宇通客车股份有限公司 | A kind of hybrid power system and the vehicle using the hybrid power system |
| CN107953766B (en) * | 2016-10-14 | 2023-08-08 | 宇通客车股份有限公司 | Hybrid power system and vehicle using same |
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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: 20121205 Effective date of abandoning: 20140813 |
|
| RGAV | Abandon patent right to avoid regrant |