CN2468867Y - Steering mechanism for operating walking tractor used for control running direction - Google Patents
Steering mechanism for operating walking tractor used for control running direction Download PDFInfo
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- CN2468867Y CN2468867Y CN 00204263 CN00204263U CN2468867Y CN 2468867 Y CN2468867 Y CN 2468867Y CN 00204263 CN00204263 CN 00204263 CN 00204263 U CN00204263 U CN 00204263U CN 2468867 Y CN2468867 Y CN 2468867Y
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- 230000007246 mechanism Effects 0.000 title claims abstract description 10
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000013011 mating Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001141 propulsive effect Effects 0.000 description 2
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- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
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Abstract
Provided is a walking tractor steering device which can be used for the operation of the traversing machine. The utility model is characterized in that the steering mechanism is composed by a differential mechanism, a differential lock, a left and a right jaw clutch. Thus, the utility model removes the annoyance in frequent assembly and disassembly of the rear case body and replacement of steering mechanism for tractors which are either used for the operation of the traversing machine to conduct transportation operation or used for the operation of the walking frame to conduct farmland operation. Furthermore, the utility model possesses a relatively fine comprehensive technology performance.
Description
The utility model relates to the steering hardware of compact tractor, particularly can be used for the steering hardware of the walker tractor of direction machine manipulation.
The transportation type trac. that is improved, grown up by walker tractor during farmland operation, still adopts hand steered manipulation to turn in recent years, is improved to the manipulation of direction machine during transportation and turns to.The method has kept advantages such as former walker tractor farmland operation is in light weight, manoevreability is good, when having overcome transportation, the handling maneuver poor stability, influences shortcomings such as speed raising.But in the process that hand steered of replacing, direction machine are handled, need the back axle of demolition, installation simultaneously casing, change the steering hardware that matches with hand steered or direction machine, or steering hardware part, produce DF12Y type trac. as Jiangsu, during farmland operation, the castellated steering hardware that common walker tractor adopts need be housed in the back axle casing, cooperate hand steered manipulation to turn to; During hauling operation, need change the outfit in the back axle casing is the diff steering hardware, cooperates the direction machine to handle and turns to.Especially in the busy farming season of transportation with the farmland operation frequent exchange, demolition, installation back axle casing is changed steering hardware continually, and not only labour intensity is big, and influences labor efficiency.
The purpose of this utility model, be to provide a kind of walker tractor steering hardware, this device proper can satisfy hand steered manipulation trac. and carry out farmland operation, need not demolition, installation back axle casing, change under the situation of turning member, the steering hardware of this device also can satisfy and is used for the direction machine and handles trac. and carry out hauling operation, and has better comprehensive performance.
The purpose of this utility model is achieved in that it comprises steering hardware in the back axle casing, is characterized in that this steering hardware is made up of diff, differential locking-device and left and right denture clutch.
Their working process is such, when farmland operation, handles differential locking-device, the locking diff makes it to become one whole and lose differential function, and two drive wheels travel synchronously by force, strengthened skid resistance, and guaranteed that body automatic linear under hand steered manipulation travels.When turning to, manipulation turns to inboard denture clutch to separate, and making and turning to inboard drive wheel rotating speed is zero, and the drive wheel that the drive wheel outside turning to rotates under hand steered cooperation is to the inside turned; During hauling operation, handle differential locking-device, open diff, recover differential function, cooperate the work of direction machine, when turning to, steering machine swing body turns to, and makes the left and right driving wheel do not waited by resistance, thereby forces the diff output speed poor, and trac. is turned.
Diff is a garden finishing bevel gear cuter formula, by steering shaft and planet axis with left and right two center gears and two satellite gear symmetric arrangement be assemblied in the differential casing of forming by left and right half housing, planet axis is vertical and pass steering shaft.They are installed in the casing of back axle, and two satellite gears are can output speed poor.
Differential locking-device is castellated, constitute by differential locking-device body and differential locking-device garden pin, differential lock assembly is sleeved on the axle journal of differential left half housing (can slide), and differential lock assembly is by fork controls, manipulation, and shift fork is extended external control of rear axle box, handled by toggle mechanism.When the locking diff, differential locking-device garden pin inserts in the mating holes on the left center wheel end face relevant position by the mating holes on diff half housing, makes center gear and differential casing become an integral body, and left and right center gear is exported with constant speed.
Left and right denture clutch in this programme is made up of respectively left and right gear, left and right center gear and left and right spring, and they are installed on the steering shaft.Left and right gear respectively with the junction of left and right center gear, be shaped on the tooth inserted tooth that cooperatively interacts, under the effect of spring, be in regular engagement, speed discrepancy on the left and right center gear and propulsive effort are delivered on the left and right driving wheel by left and right denture clutch.Open denture clutch respectively by left and right fork controls, left and right shift fork is identical with general walker tractor denture clutch shift fork, can be easily links to each other with left and right steering handle on hand steered.
Other operating control on hand steered and hand steered in this programme can with common walker tractor on identical.Adopt the direction machine to handle during transportation, its direction machine can with identical (as bearing circle on farm vehicle, the motor-tricycle or the hand steered steering handle) on the general vehicle.
Since the steering hardware in this programme by diff, differential locking-device, and left and right denture clutch form, so when handling differential locking-device locking diff, left and right center gear of diff and differential casing promptly become an integral body, this moment is identical with common walker tractor tooth embedding disengaging type steering hardware with the denture clutch formula steering hardware that left and right gear is formed, so can satisfy cooperate hand steered handle trac. convenient, turn to flexibly, carry out farmland operation.Open diff when handling differential locking-device, make left and right center gear recover differential function, and the denture clutch that itself and left and right center gear are formed, under action of the spring, be in regular engagement, so this moment this steering hardware, convert the differential type steering hardware again to, cooperate direction machine manipulation trac. to turn to flexibly, carry out hauling operation so can satisfy.Because the mutual conversion of its two kinds of steering hardwarees, only need to handle differential locking-device and get final product, and shift fork extends the external control of rear axle box, manipulation by the shift fork toggle mechanism, so need not demolition, installation back axle casing by shift fork, change turning member, advantage such as promptly have conveniently, laborsaving, quick.Because differential lock assembly is sleeved on the differential casing, left and right denture clutch is the left and right center gear in utilizing diff, on the basis of left and right transmission gear, only adding left and right spring forms, and they all are installed on the steering shaft, so this programme and have advantages such as simple structure, compact conformation.
Again owing to be provided with differential locking-device in the differential mechanism in this programme, so the skid resistance can strengthen it and transport the time, when preventing that the drive wheel from skidding, diff also output speed is poor, and trac. just can not advance.
Below with description of drawings embodiment.
Fig. 1 is the rear axle box body portion section-drawing of one of the utility model embodiment.
Fig. 2 is that the differential locking-device shift fork toggle mechanism of one of the utility model embodiment is arranged scheme drawing.
Among Fig. 1, be installed in the steering hardware in the tractor rear axle casing 23, form by diff, differential locking-device and left and right denture clutch.Diff is a garden finishing bevel gear cuter formula, by steering shaft 1 and planet axis 8 with 19,6 and two satellite gear 7,20 symmetric arrangement of left and right two center gears be assemblied in by in left and right half housing, 12,5 differential casings of being formed, planet axis 8 is vertical and pass steering shaft 1, and they all are installed in the back axle casing 23.The garden of differential casing outer rim is on week, is provided with garden stud wheel 11 and is the diff power input gear, and it is meshed with secondary variable gear 10 in the back axle casing, makes the left and right center gear 19,6 can output drive strength and speed discrepancy.Diff half housing 12 is made as one with diff input gear 11 in the present embodiment.Differential locking-device is castellated, by differential locking-device body 15, differential locking-device garden pin 13 is formed, and differential lock assembly is sleeved on the axle journal of differential left half housing 12, can slide, handle by 14 controls of differential locking-device shift fork, when the locking diff, under the effect of shift fork 14, differential locking-device garden pin 13 is by in the mating holes on the insertion of the mating holes on the left half housing 12 left center wheel 19 end face relevant positions, make center gear and differential casing become an integral body, this moment, left and right center gear 19,6 was exported with constant speed.Left and right denture clutch is by left and right gear 18,4, left and right center gear 19,6 and left and right compression spring 17,2 are formed respectively, they are installed on the same diameter of axle of steering shaft 1, the junction of left and right gear and left and right center gear, be shaped on the tooth inserted tooth that cooperatively interacts, under action of the spring, be in frequent engagement, speed discrepancy on the left and right center gear and propulsive effort are by left and right denture clutch, left and right reducing gear 22,24, left and right half 21,25 are delivered on the trac. left and right driving wheel (not providing among the figure).
Diff among Fig. 1 embodiment, differential lock assembly and left and right gear 14,4 are supported on the same steering shaft 1, have advantages such as simple in structure, compactness.
Among Fig. 2, differential locking-device shift fork 14 is by pull bar 42, compression spring 41, decides the toggle mechanisms that inclined wedge-shaped cover 45, moving inclined wedge-shaped cover 44 are formed, and extends that the control of back axle casing 23 outsides handles.Stir the driving lever 37 on the moving inclined wedge-shaped cover 44, under the effect of inclined wedge-shaped face, pull bar 42 overcomes spring force drive shift fork 14 and moves to right, make differential locking-device be in locking state, stir moving inclined wedge-shaped cover 44 otherwise reverse, shift fork 14 moves to left under the spring force effect, makes differential locking-device be in opening.In order further to extend the manipulation distance of shift fork 14, the driving lever 37 that moves on the inclined wedge-shaped cover 44 can be linked to each other with differential locking-device bar handle (during hand steered manipulation farmland operation) or differential locking-device foot pedals (when the direction machine is handled hauling operation) by backguy, on the opposite sense of backguy pulling force, extension spring 43 is housed, to be used for the revolution of moving inclined wedge-shaped cover.
Claims (7)
1, a kind of walker tractor steering hardware that can be used for the manipulation of direction machine, it comprises the steering hardware in the back axle casing (23), it is characterized in that the steering hardware in the back axle casing (23) is made up of diff, differential locking-device, left and right denture clutch.
2, according to said tractor steering device in the claim 1, it is characterized in that described left and right denture clutch is made up of respectively left and right gear (18), (4), left and right center gear (19), (6), left and right spring (17), (2), they are installed on the same diameter of axle of steering shaft (1).
3, according to said tractor steering device in the claim 1, one of 2, it is characterized in that described diff is a garden finishing bevel gear cuter formula, be by steering shaft (1), planet axis (8), with left and right two center gears (19), (6) and two satellite gears (7), (20) symmetric arrangement be assemblied in the differential casing of being formed by left and right half housing (12), (5), planet axis (8) is vertical and pass steering shaft (1).
4, according to said tractor steering device among one of claim 1-3, it is characterized in that described differential locking-device is castellated, form by differential locking-device body (15) and differential locking-device garden pin (13), differential lock assembly is sleeved on the axle journal of diff half housing (12), by differential locking-device shift fork (14) control, manipulation.
5, according to said tractor steering device in the claim 4, it is characterized in that described differential locking-device shift fork (14), be by pull bar (42), compression spring (41), decide the toggle mechanism that inclined wedge-shaped cover (45), moving inclined wedge-shaped cover (44) form and extend the control of back axle casing (23) outside, handle.
6,, it is characterized in that diff half housing (12) and diff input gear (11) are made as one according to said tractor steering device in the claim 3.
7,, it is characterized in that described diff, differential lock assembly and left and right gear (18), (4) are supported on the same steering shaft (1) according to said tractor steering device among one of claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00204263 CN2468867Y (en) | 2000-03-06 | 2000-03-06 | Steering mechanism for operating walking tractor used for control running direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00204263 CN2468867Y (en) | 2000-03-06 | 2000-03-06 | Steering mechanism for operating walking tractor used for control running direction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2468867Y true CN2468867Y (en) | 2002-01-02 |
Family
ID=33572690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00204263 Expired - Fee Related CN2468867Y (en) | 2000-03-06 | 2000-03-06 | Steering mechanism for operating walking tractor used for control running direction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2468867Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949442A (en) * | 2010-10-14 | 2011-01-19 | 陈恳 | Splitting type worm gear differential mechanism |
-
2000
- 2000-03-06 CN CN 00204263 patent/CN2468867Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949442A (en) * | 2010-10-14 | 2011-01-19 | 陈恳 | Splitting type worm gear differential mechanism |
| CN101949442B (en) * | 2010-10-14 | 2012-08-15 | 陈恳 | Splitting type worm gear differential mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Patentee address after: 116300 Wang Deming, fifth junior high school, Liaoning, Wafangdian City Patentee address before: 116300, Wang Deming, two, 90 section, South Masonic Street, Liaoning, Wafangdian City |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20020102 |