CN102530074B - Stepless steering system for tracked vehicles - Google Patents
Stepless steering system for tracked vehicles Download PDFInfo
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- CN102530074B CN102530074B CN201210047644.7A CN201210047644A CN102530074B CN 102530074 B CN102530074 B CN 102530074B CN 201210047644 A CN201210047644 A CN 201210047644A CN 102530074 B CN102530074 B CN 102530074B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 230000009977 dual effect Effects 0.000 claims abstract description 32
- 238000004132 cross linking Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000012530 fluid Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
本发明涉及一种履带车辆用无级转向系统，包括分流机构及传动连接于分流机构中的一个输出端上的反向机构，反向机构的输出端上传动连接有左、右汇流行星排，反向机构包括平行设置的滑动齿轮轴、左双联齿轮轴和右双联齿轮轴，左、右双联齿轮轴上分别固定装配有与对应左、右汇流行星排中的一个输入端传动连接的左双联齿轮和右双联齿轮，左双联齿轮中的其中一个齿轮与所述右双联齿轮中的其中一个齿轮啮合传动，滑动齿轮轴上滑动装配有根据需要可选择与所述左、右双联齿轮中的另一个齿轮传动连接滑动齿轮，滑动齿轮与所述分流机构中的一个输出端传动连接。本发明通过滑动齿轮式的反向机构，降低了现有反向机构的加工难度和制作成本。
The invention relates to a stepless steering system for crawler vehicles, which includes a diverter mechanism and a reverse mechanism that is driven and connected to an output end of the diverter mechanism. The output end of the reverse mechanism is driven and connected with left and right converging planetary rows. , the reverse mechanism includes a sliding gear shaft, a left double gear shaft and a right double gear shaft arranged in parallel, and the left and right double gear shafts are respectively fixedly equipped with an input end corresponding to the left and right bus planetary rows The left double gear and the right double gear are connected by transmission, and one of the gears in the left double gear is meshed with one of the gears in the right double gear. The other gear in the left and right dual gears is connected to the sliding gear through transmission, and the sliding gear is connected to an output end of the flow splitting mechanism through transmission. The invention reduces the processing difficulty and manufacturing cost of the existing reverse mechanism through the sliding gear type reverse mechanism.
Description
Technical field
The present invention relates to a kind of mechanical stepless steering swivel system 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 multi-plate friction clutch, by the friction force transmitting torque of friction surface, when the steering clutch of a certain side of separation, just can reduce or cut off the torque that this side drive wheel is transmitted, and makes continuously tracked vehicle Turning travel.Because it is simple in structure, easily manufactured, on middle-size and small-size continuously tracked vehicle in early days, obtained extensive utilization.But because its production efficiency is low, energy consumption is large, along with the continuous increase of continuously tracked vehicle power, the application of steering clutch is subject to certain restrictions.
Hydraulic machinery differential steering system is as Chinese agriculture engineering journal the 21st the 3rd phase of volume in 2005 disclosed " power analysis of Dongfanghong 1302R tractor hydraulic mechanical differential reversing-gear ", hydraulic machinery differential steering system consists of diversion mechanism, straight mechanism, reversing-gear and the left and right planet row that confluxes, its middle left and right is confluxed planet row by corresponding planetary gear mechanism formation, and engine power is shunted Hou Yi road by diversion mechanism and flowed to straight mechanism; One road flows to reversing-gear, the two-way power of the straight of flowing through mechanism and reversing-gear enters corresponding planet row by gear ring and the sun wheel of left and right planet row respectively, and exported by the left and right pinion carrier of correspondence, the various combination of the size and Orientation flowing by two-way power completes the divertical motion of vehicle.Hydraulic machinery differential steering system is the compound hydraulic mechanical type two power flow steering system of hydrostatic drive, mechanical drive and Planetary Gear Transmission.With mechanical type two power flow steering system, compare, it have dynamics good, can make continuously tracked vehicle realize stepless, pivot stud, operating efficiency high, operate the advantages such as light, labour intensity is low, road grabbing good, turning track is accurate.But diversion mechanism and reversing-gear in hydraulic machinery differential steering system are fluid control, need high precision, high-power Hydraulic Elements, the continuously tracked vehicle manufacturing cost and use cost that makes to equip this steering swivel system is high, uses and is also subject to certain limitation at present on domestic continuously tracked vehicle.
Summary of the invention
The object of the present invention is to provide a kind of mechanical stepless steering swivel system for continuously tracked vehicle, to reduce difficulty of processing and the cost of manufacture of reversing-gear in existing hydraulic machinery differential steering system.
In order to address the above problem, technical scheme of the present invention is:
A kind of stepless steering system for tracked vehicles, comprise the reversing-gear having on the diversion mechanism of two mouths and a mouth that input end is in transmission connection in diversion mechanism, described continuous turning system also comprises a left side respectively with two input ends, planet row confluxes on the right side, a described left side, the input end confluxing in planet row in the right side is in transmission connection with the mouth of described reversing-gear respectively, it is characterized in that: described reversing-gear comprises the slide teeth wheel shaft be arrangeding in parallel, left double crosslinking gear shaft and right double crosslinking gear shaft, left, on right double crosslinking gear shaft, be fixedly equipped with respectively with corresponding left, left dual gear and right dual gear that the input end confluxing in planet row in the right side is in transmission connection, one of them meshed transmission gear in one of them gear in left dual gear and described right dual gear, on slide teeth wheel shaft, the with good grounds needs of slidable fit can be selected and a described left side, another gear transmission in right dual gear connects cliding gear, a mouth in described cliding gear and described diversion mechanism is in transmission connection.
Described diversion mechanism also comprises the input end for being in transmission connection with corresponding propulsion source, described diversion mechanism comprises shunting planet row, described shunting planet row forms by having the three-element planetary gear mechanism of sun wheel, gear ring and pinion carrier, in described three element, one of them element is for forming the power input element of the input end of described diversion mechanism, two other power output element for braking respectively by stop mechanism, two described power output elements have formed two mouths of described diversion mechanism.
Described stop mechanism is hydraulic pressure, air pressure or mechanical type stop mechanism.
Spacing between three axis of described cliding gear, left dual gear and right dual gear equates between two.
Beneficial effect of the present invention is: when cliding gear and left dual gear engaged transmission, left dual gear rotary speed direction is contrary with cliding gear rotary speed direction, right dual gear due to and cliding gear between many one-levels gear transmission, its rotary speed direction is identical with cliding gear rotary speed direction, can realize continuously tracked vehicle left steering and travel; Equally, when cliding gear and the engagement of right dual gear, can realize continuously tracked vehicle right steering and travel.Adopt cliding gear to realize Turning travel, easy to operate, simple in structure, cost of manufacture is lower.
Further, the diversion mechanism in the present invention consists of mechanical shunting planet row, uses that the diversion mechanism of shunting planet row has advantages of simple to operate, compact conformation, driving efficiency is high and low cost of manufacture.When a power output element in shunting planet row is braked completely, straight-line travelling or the pivot stud that can realize respectively continuously tracked vehicle travel; When two output elements are not braked the power output element braking of Huo Yu straight mechanism connection, the continuous turning that can realize continuously tracked vehicle travels.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the structural representation of reversing-gear in Fig. 1;
Fig. 3 is the lateral plan of Fig. 2.
The specific embodiment
The embodiment of stepless steering system for tracked vehicles is as shown in Fig. 1 ~ 3: comprise diversion mechanism, straight mechanism, reversing-gear and the left and right planet row that confluxes, the left and right planet row that confluxes forms by corresponding planetary gear mechanism.Diversion mechanism comprises shunting planet row 2, shunting planet row 2 is by having shunting sun wheel 2a, the planetary gear mechanism of shunting gear ring 2b and tri-elements of shunting pinion carrier 2c forms, wherein shunt pinion carrier 2c for for corresponding driving engine 1(or other propulsion source) the power input element that is in transmission connection, shunting pinion carrier 2c has formed the input end of diversion mechanism, shunting sun wheel 2a and the shunting gear ring 2b power output element for being in transmission connection and can braking respectively by stop mechanism with reversing-gear 4 and straight mechanism 3 respectively, shunting sun wheel 2a and shunting gear ring 2b have formed two mouths of diversion mechanism, stop mechanism is mechanical type stop mechanism.The left gear ring 6b confluxing in planet row 6 in a left side is fixedly connected with by synchronization structure with the right right gear ring 7b confluxing in planet row 7, synchronization structure consists of the synchrodrive axle 8 being 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 confluxing in planet row 6 in a left side and the right right pinion carrier 7c confluxing in planet row 7 are respectively used to power output.Straight mechanism 3 comprises the change speed gear box that power intake and the shunting gear ring 2b shunting in planet row 2 are in transmission connection, change speed gear box is progressive gear transmission, the clutch end of change speed gear box is in transmission connection by gear drive 5 and synchrodrive axle 8, and gear drive 5 comprises the output bevel gear 5-1 that is coaxially connected with synchrodrive axle 8 and the input finishing bevel gear cuter 5-2 being in transmission connection with the clutch end of change speed gear box 3.Reversing-gear 4 comprises the cliding gear 4-1 being in transmission connection with the shunting sun wheel 2a that shunts planet row 2, cliding gear 4-1 coaxially only revolves and is slidedly assemblied on 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 be arrangeding in parallel with slide teeth wheel shaft 4-2, wherein left, spacing between the axis of right double crosslinking gear shaft and slide teeth wheel shaft 4-2 equates between two, on left double crosslinking gear shaft 4-3, be coaxially fixed with left dual gear 4-5, on right double crosslinking gear shaft 4-4, be coaxially fixed with right dual gear 4-6, wherein left dual gear comprises the first gear 4-5-1 and the second gear 4-5-2, right dual gear comprises the 3rd gear 4-6-1 and the 3rd gear 4-6-2.In the sliding process of cliding gear 4-1 on slide teeth wheel shaft 4-2, can select as required 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 in the second gear 4-5-2 in left dual gear 4-5 and right dual gear 4-6.Left and right dual gear is also in transmission connection with left and right sun wheel of confluxing in planet row respectively.In figure, 6a represents the left sun wheel of confluxing in planet row 6 in a left side, and 7c represents the right sun wheel of confluxing in planet row 7 in the right side.
The power of driving engine 1 is flowed into by the shunting pinion carrier 2c that shunts planet row 2, shunting planet row 2 passes to respectively straight mechanism 3 and reversing-gear 4 by shunting gear ring 2b and shunting sun wheel 2a by power, one road power passes to the left and right gear ring confluxing in planet row through straight mechanism 3, and another road passes to left and right sun wheel of confluxing in planet row through reversing-gear.Conflux to the left and right power confluxing in planet row and export through left and right pinion carrier, thereby drive continuously tracked vehicle to travel.The shunting gear ring 2b of shunting planet row 2 and shunting sun wheel 2a can brake respectively.When shunting sun wheel 2a brakes completely, power is all passed to shunting gear ring 2b from the shunting pinion carrier 2c of shunting planet row 2, then through straight mechanism 3, gear drive 5, the left and right gear ring confluxing in planet row, flow into and through left and right pinion carrier output of confluxing in planet row, realize the straight-line travelling of continuously tracked vehicle.When shunting gear ring 2b brakes completely, power is all passed to shunting sun wheel 2a from the shunting pinion carrier 2c of shunting planet row 2, then through reversing-gear 4, left and right sun wheel of confluxing in planet row, also finally by left and right pinion carrier of confluxing in planet row, exported, the pivot stud of realizing continuously tracked vehicle travels.When shunting gear ring 2b, the shunting sun wheel 2a of shunting planet row 2 do not brake, power divides two-way transmission, can realize continuously tracked vehicle Turning radius travel to infinitely-great continuous turning from zero according to the proportionate relationship of two-way power.For reversing-gear, during the first gear 4-5-1 engaged transmission in cliding gear 4-1 and left dual gear 4-5, the rotary speed direction of left dual gear 4-5 is contrary with cliding gear 4-1 rotary speed direction, right dual gear 4-6 due to and cliding gear 4-1 between many one-levels gear transmission, its rotary speed direction is identical with cliding gear 4-1 rotary speed direction, can realize continuously tracked vehicle left steering and travel.Equally, when the 3rd gear 4-6-1 in cliding gear 4-1 and right dual gear 4-6 meshes, can realize continuously tracked vehicle right steering and travel.By the use of shunting planet row 2 and cliding gear 4-1Deng mechanical type mechanism, make that whole stepless steering system for tracked vehicles has simple to operate, compact conformation, driving efficiency is high and the advantage such as low cost of manufacture.
In other embodiments of the invention, can also adopt shunting sun wheel 2aYu 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 in shunting planet row 2, shunting gear ring 2b, the three-element use of shunting pinion carrier 2c can also be: shunting sun wheel 2a is power input element, shunting gear ring 2b and shunting pinion carrier 2c are power output element, now shunting gear ring 2b can be in transmission connection with straight mechanism 3 or reversing-gear 4, and shunting accordingly gear ring 2b can be in transmission connection with reversing-gear 4 or straight mechanism 3.Or shunting gear ring 2b is power input element, shunting sun wheel 2a and shunting pinion carrier 2c are power output element, now shunting sun wheel 2a can be in transmission connection with straight mechanism 3 or reversing-gear 4, and shunting accordingly pinion carrier 2c 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 (4)
1. a stepless steering system for tracked vehicles, comprise the reversing-gear having on the diversion mechanism of two mouths and a mouth that input end is in transmission connection in diversion mechanism, described continuous turning system also comprises a left side respectively with two input ends, planet row confluxes on the right side, a described left side, the input end confluxing in planet row in the right side is in transmission connection with the mouth of described reversing-gear respectively, it is characterized in that: described reversing-gear comprises the slide teeth wheel shaft be arrangeding in parallel, left double crosslinking gear shaft and right double crosslinking gear shaft, left, on right double crosslinking gear shaft, be fixedly equipped with respectively with corresponding left, left dual gear and right dual gear that the input end confluxing in planet row in the right side is in transmission connection, one of them meshed transmission gear in one of them gear in left dual gear and described right dual gear, on slide teeth wheel shaft, the with good grounds needs of slidable fit can be selected and a described left side, the cliding gear that another gear transmission in right dual gear connects, a mouth in described cliding gear and described diversion mechanism is in transmission connection.
2. stepless steering system for tracked vehicles according to claim 1, it is characterized in that: described diversion mechanism also comprises the input end for being in transmission connection with corresponding propulsion source, described diversion mechanism comprises shunting planet row, described shunting planet row is by having sun wheel, the three-element planetary gear mechanism of gear ring and pinion carrier forms, in described three element, one of them element is for forming the power input element of the input end of described diversion mechanism, two other power output element for braking respectively by stop mechanism, two described power output elements have formed two mouths of described diversion mechanism.
3. stepless steering system for tracked vehicles according to claim 2, is characterized in that: described stop mechanism is hydraulic pressure, air pressure or mechanical type stop mechanism.
4. according to the stepless steering system for tracked vehicles described in claim 1～3 any one, it is characterized in that: the spacing between three axis of described cliding gear, left dual gear and right dual gear equates between two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210047644.7A CN102530074B (en) | 2012-02-28 | 2012-02-28 | Stepless steering system for tracked vehicles |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210047644.7A CN102530074B (en) | 2012-02-28 | 2012-02-28 | Stepless steering system for tracked vehicles |
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| Publication Number | Publication Date |
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| CN102530074A CN102530074A (en) | 2012-07-04 |
| CN102530074B true CN102530074B (en) | 2014-04-09 |
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| CN201210047644.7A Expired - Fee Related CN102530074B (en) | 2012-02-28 | 2012-02-28 | Stepless steering system for tracked vehicles |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434567B (en) * | 2013-08-21 | 2016-01-13 | 河南科技大学 | Continuously tracked vehicle craspedodrome, rotating direction control method and steering hardware and continuous turning system |
| CN106809276B (en) * | 2017-02-15 | 2019-02-22 | 苏州萨伯工业设计有限公司 | Hydraulic control differential steering method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4776235A (en) * | 1983-10-21 | 1988-10-11 | Gleasman Vernon E | No-slip, imposed differential reduction drive |
| CN2716128Y (en) * | 2004-06-10 | 2005-08-10 | 陈开银 | Postposition type reverse gear rear axle device of motor tricycle |
| CN2784279Y (en) * | 2005-03-31 | 2006-05-31 | 时凯 | Obstacles-surmounting vehicle |
| CN201659981U (en) * | 2010-03-18 | 2010-12-01 | 临猗县益民汽车修造有限公司 | Steering reversing device |
| CN202463919U (en) * | 2012-02-28 | 2012-10-03 | 河南科技大学 | Stepless steering system used for track-laying vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2570086Y (en) * | 2002-09-12 | 2003-09-03 | 新疆升晟股份有限公司 | Differential transferring equipment of single differential gear |
-
2012
- 2012-02-28 CN CN201210047644.7A patent/CN102530074B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4776235A (en) * | 1983-10-21 | 1988-10-11 | Gleasman Vernon E | No-slip, imposed differential reduction drive |
| CN2716128Y (en) * | 2004-06-10 | 2005-08-10 | 陈开银 | Postposition type reverse gear rear axle device of motor tricycle |
| CN2784279Y (en) * | 2005-03-31 | 2006-05-31 | 时凯 | Obstacles-surmounting vehicle |
| CN201659981U (en) * | 2010-03-18 | 2010-12-01 | 临猗县益民汽车修造有限公司 | Steering reversing device |
| CN202463919U (en) * | 2012-02-28 | 2012-10-03 | 河南科技大学 | Stepless steering system used for track-laying vehicle |
Non-Patent Citations (2)
| Title |
|---|
| 东方红1302R拖拉机液压机械差速转向机构的功率分析;曹付义等;《农业工程学报》;20050331;第21卷(第3期);全文 * |
| 曹付义等.东方红1302R拖拉机液压机械差速转向机构的功率分析.《农业工程学报》.2005,第21卷(第3期), |
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