CN202098278U - Multiple transmission device of caterpillar tractor - Google Patents
Multiple transmission device of caterpillar tractor Download PDFInfo
- Publication number
- CN202098278U CN202098278U CN2011201629582U CN201120162958U CN202098278U CN 202098278 U CN202098278 U CN 202098278U CN 2011201629582 U CN2011201629582 U CN 2011201629582U CN 201120162958 U CN201120162958 U CN 201120162958U CN 202098278 U CN202098278 U CN 202098278U
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Abstract
The utility model relates to a multiple transmission device of a caterpillar tractor. The multiple transmission device of the caterpillar tractor comprises a power input shaft and is characterized in that the power input shaft drives a left power output shaft and a right power output shaft through a first intermediate shaft and a second intermediate shaft respectively; a left I-shift and II-shift power shifting clutch and a left III-shift and IV-shift power shifting clutch respectively are arranged on the left power output shaft; a left brake, a left central transmission driving wheel and a left final transmission driving wheel are arranged behind the left power output shaft; a right I-shift and II-shift power shifting clutch and a right III-shift and IV-shift power shifting clutch are respectively arranged on the right power output shaft; and a right brake, a right central transmission driving wheel and a right final transmission driving wheel are arranged behind the right power output shaft. The shifting operations of the power shifting clutches which are arranged on the left and the right power output shafts can be independently controlled; the multiple transmission device of the caterpillar tractor is compact and reasonable in structure, long in service life, convenient in operation and high in working efficiency; and the hydraulic differential steering of the tractor can be realized.
Description
Technical field
The utility model relates to a kind of crawler-tread tractor times formula driving device, is applicable to the crawler-tread tractor of rear-axle drive.
Background technology
Its engine power of existing crawler-tread tractor is passed to a power take-off shaft through mechanical drive change speed gear box power input shaft through tween drive shaft and is divided two-way to pass to two groups of high pulling torque steering clutchs and drg through one group of main gear finishing bevel gear cuter again; There is following problem in this structure: 1. change speed gear box is shifting slide gear or shift sleeve or synchro gearshift; Can not realize power shifting; Inefficiency, inconvenient operation; 2. steering clutch is arranged in after the main gear finishing bevel gear cuter, and transfer torque is compared to be arranged in before the main gear finishing bevel gear cuter and improved greatly, often occurs skidding, the problem of heating, serious wear; 3. because transfer torque improves greatly, steering force is very big, the chaufeur fatiguability; 4. drg is arranged in after the main gear, and brake torque also improves before comparing and being arranged in the main gear finishing bevel gear cuter greatly, thereby the inevitable increase greatly of brake dimensions, and drg heating, wearing and tearing also increase greatly.
The patent No. is 03245757.X, discloses a kind of mechanism in the Chinese patent of patent name for " continuously tracked vehicle braking and driver train ", mainly by rear axle housing body; Central transmission device, steering clutch assembly, brake assembly; Final transmission housing, axle drive shaft, drive wheel; Driving shaft gear, countershaft-gear, compositions such as upper cover plate.Brake assembly adopts the floating drg, and final driving device adopts two-stage spur gear drive structure.Power is imported by main gear, and the deceleration of process main gear and final transmission increases to be turned round, and is exported by drive wheel at last.The defective of this utility model patent is to be arranged on the driving dynamics that main gear both sides steering clutch afterwards realizes cutting off and transmitting the both sides continuously tracked vehicle through separating and engaging with deficiency; Realize stopping of two side drive wheel and slow down through being arranged on two side brakes after the main gear; Therefore must cause transfer torque to improve greatly; Steering clutch, brake dimensions increase greatly, and heating, wearing and tearing increase, thereby the life-span is very short.
The patent No. is 02228175.4, and patent name discloses a kind of steering hardware that is used for crawler-tread tractor, bulldozer and modified product thereof in the Chinese patent of " continuously tracked vehicle power differential speed turning mechanism ", mainly comprises main gear; Two planet rows; Turn to miniature gears, turn to big gear wheel, turn to two-wheel; The HM Hydraulic Motor output gear, final drive shaft.Two planet toothrow circles are made of one and are connected with the main gear bevel gear wheel.Two turn to big gear wheel to be connected with two star row sun wheels respectively.Two groups of sun wheels, satellite gear, planet toothrow circle that the defective of this utility model patent and deficiency are, complex structure big with oad, making, tooling cost is high substitute two groups of steering clutchs, solve since be arranged on main gear afterwards transfer torque cause the skidding of steering clutch, heating, wear problem very greatly; Turn to miniature gears with increasing, turn to big gear wheel, turn to two-wheel, the HM Hydraulic Motor output gear particularly will increase by a cover HM Hydraulic Motor and hydraulic efficiency pressure system realizes the continuously tracked vehicle power differential speed turning.Above-mentioned two kinds of methods taking have brought very big difficulty for processing, making, the assembling of car load, and especially integral vehicle cost improves greatly, thereby practical application and popularization have very big difficulty.
The patent No. is 200520016487.9; Patent name discloses a kind of mechanical speed difference reversing arrangement in the Chinese patent of " a kind of mechanical speed difference reversing arrangement ", mainly is made up of power input shaft, switching-over transition axis, reversing shaft, power take-off shaft, final gear pair, switching-over transition gear, reverse drive gear pair, output gear, reversing gear and brake equipment.Handle reversing gear and make the reverse drive gear pair, can realize turning to through the engagement of switching-over transition gear.The defective of this utility model patent and deficiency are if be applied on the continuously tracked vehicle; This differential reversing arrangement must be installed in after the main gear; The transfer torque of its left and right sides dental clutch and left and right sides drg is very big, and it is the description of 03245757.X to the patent No. that its defective is similar to top with deficiency; It two also will increase separately and overlap independently mechanical drive, and cost increases; Its three, when turning at a slow speed the power circuit on limit to cut off and cause that the speed of a motor vehicle slows down when turning to, reduce work efficiency.
The utility model content
The utility model technical matters to be solved be overcome deficiency of the prior art and provide a kind of compact conformation rationally, long service life, easy to operate, high efficiency, can realize the crawler-tread tractor times formula driving device that hydraulic differential turns to.
The technical scheme that the utility model solves the problems of the technologies described above employing is: this crawler-tread tractor times formula driving device; Comprise power input shaft; It is characterized in that: described power input shaft is meshed through the corresponding gear on it with left road power take-off shaft and right wing power take-off shaft through first tween drive shaft and second tween drive shaft respectively simultaneously; Be respectively arranged with left road I, II shelves power shifting power-transfer clutch and left road III, IV shelves power shifting power-transfer clutch on the power take-off shaft of left side road; Be provided with left drg behind the power take-off shaft of left side road; Be provided with left main gear behind the drg of a left side, left main gear is connected with the final transmission drive wheel in a left side, is respectively arranged with right wing I, II shelves power shifting power-transfer clutch and right wing III, IV shelves power shifting power-transfer clutch on the right wing power take-off shaft; Be provided with right drg behind the right wing power take-off shaft; Be provided with the right median transmission behind the right drg, the right median transmission is connected with right final transmission drive wheel, and the gear shift operation of the gear shift operation of left road I, II shelves power shifting power-transfer clutch and left road III, IV shelves power shifting power-transfer clutch and right wing I, II shelves power shifting power-transfer clutch and right wing III, IV shelves power shifting power-transfer clutch can separately be controlled.The utility model is through the separate realization differential steering of the final transmission drive wheel of left and right sides two-way drive path; Engine power is passed to separate left power take-off shaft and right power take-off shaft through power input shaft through first tween drive shaft and second tween drive shaft, and the left and right main gear of passing in the back axle through left and right drg is respectively again passed to left and right final transmission drive wheel more respectively.Utilize the double steering clutch of doing of power shifting power-transfer clutch on left and right sides road dexterously, saved traditional crawler-tread tractor and be arranged in main gear a pair of high pulling torque steering clutch afterwards.And have two to overlap power shifting speed changing operating mechanism independently and can control left and right sides power shift clutch respectively and realize turning to of crawler-tread tractor at different gears; Owing to adopt the power shifting speed changing operating mechanism to turn to; Guarantee when turning to that power circuit do not cut off; Turn to work efficiency to improve greatly, also can control left and right sides power shift clutch is realized crawler-tread tractor at identical gear craspedodrome respectively.
Be provided with a pair of intermeshing finishing bevel gear cuter in the described left main gear of the utility model, one of them bevel pinion is connected with left drg, and another bevel gear wheel is connected with the final transmission drive wheel in a left side; Be provided with a pair of intermeshing finishing bevel gear cuter in the described right median transmission, one of them bevel pinion is connected with right drg, and another bevel gear wheel is connected with right final transmission drive wheel.Steering clutch or drg all are not set in the left and right main gear; Steering planetary gear is not set yet; But adopt the bevel-gear pair transmission; The advantage of this structure and benefit are to have solved steering clutch, drg to be arranged on the size of bringing after the main gear and to increase, and heating, wearing and tearing increase, thus problems such as the life-span is very short and also simplified back axle structure, reduced cost.
The final transmission drive wheel in the described left side of the utility model finally is respectively arranged with one group of reducing gear in the transmission drive wheel with right, and the input end of train of reduction gears is in transmission connection with left main gear and right median respectively.In the left and right final transmission drive wheel steering clutch or drg are not set all, do not have steering planetary gear yet, but adopt train of reduction gears.
The described left road of the utility model I, II shelves power shifting power-transfer clutch, left road III, IV shelves power shifting power-transfer clutch, right wing I, II shelves power shifting power-transfer clutch and right wing III, IV shelves power shifting power-transfer clutch are liquid clutch.The benefit that adopts liquid clutch is that heating, wearing and tearing reduce greatly, and the reliability of equipment improves greatly.
The utility model compared with prior art has the following advantages: the first, and left and right road power shifting power-transfer clutch is separately positioned on before the left and right main gear, and transfer torque reduces greatly, thereby oad reduces greatly.The second, utilize the double steering clutch of doing of power shifting power-transfer clutch on left and right sides road in the device dexterously
,Save a pair of high pulling torque steering clutch.The 3rd, because change speed gear box has two to overlap independently power shifting speed changing operating mechanism, chaufeur can be hung I shelves, right wing power-transfer clutch extension II shelves such as left road power-transfer clutch through conversion left and right sides power shift speed change gear, just can realize left steering.The 4th, owing to adopt the power shifting speed changing operating mechanism to turn to, guarantee when turning to that power circuit do not cut off, turn to work efficiency to improve greatly.Just can realize straight line moving when left and right sides road gear is identical, easy to operate.The 5th, left and right drg is arranged in before the left and right main gear, and brake torque reduces greatly, and drg heating, wearing and tearing reduce greatly; Change speed gear box adopts power shifting, and work efficiency improves greatly.
Description of drawings
Fig. 1 is the utility model structural representation.
The specific embodiment
Referring to Fig. 1, the utility model comprises power input shaft 1, left road power take-off shaft 2, right wing power take-off shaft 2 ', first tween drive shaft 3, second tween drive shaft 4, left road I, II shelves power shifting power-transfer clutch 5, left road III, IV shelves power shifting power-transfer clutch 6, right wing I, II shelves power shifting power-transfer clutch 7, right wing III, IV shelves power shifting power-transfer clutch 8, left drg 9, right drg 10, left main gear 11, right median transmission 12, the final transmission drive wheel 13 in a left side, right final transmission drive wheel 14.
Be disposed with left road III, IV shelves power shifting power-transfer clutch 6 and left road I, II shelves power shifting power-transfer clutch 5 on the left side road power take-off shaft 2; The mounting means of above-mentioned left road III, IV shelves power shifting power-transfer clutch 6 and left road I, II shelves power shifting power-transfer clutch 5 is identical with conventional shift clutch mounting means; With left road I, II shelves power shifting power-transfer clutch 5 is example; The equal sky of gear Z30 and Z32 is enclosed within on the left road power take-off shaft 2; The friction disc of left side road I, II shelves power shifting power-transfer clutch 5 is connected through spline with Z32 with gear Z30; The clutch plate of left side road I, II shelves power shifting power-transfer clutch 5 is connected through spline with the driven hub of left road I, II shelves power shifting power-transfer clutch 5; Driven hub is connected with the castellated shaft of left road power take-off shaft 2 through internal splined hole, combining to the left or to the right and separate being connected and disengagement of realization gear Z30 or Z32 and left road power take-off shaft 2 through operated clutch.Be provided with left drg 9 behind the left side road power take-off shaft 2, left drg 9 is near left road I, II shelves power shifting power-transfer clutch 5.Left side drg 9 is arranged on the extension of left road power take-off shaft 2, and its left drg 9 initiatively hub is connected through spline with the extension of left road power take-off shaft 2.Be provided with left main gear 11 behind the drg 9 of a left side; Be provided with a pair of intermeshing finishing bevel gear cuter in the main gear 11 of a left side; One of them bevel pinion 111 passes through the spline coaxial rotation with the active hub of left drg 9, and another bevel gear wheel 112 is connected with the final transmission drive wheel 13 in a left side.Be provided with one group of reducing gear, finishing bevel gear cuter 112 coaxial rotation in the input end of train of reduction gears and the left main gear 11 in the final transmission drive wheel 13 in a left side.Above-mentioned left road I, II shelves power shifting power-transfer clutch 5 and left road III, IV shelves power shifting power-transfer clutch 6 are liquid clutch.
Be disposed with right wing III, IV shelves power shifting power-transfer clutch 8 and right wing I, II shelves power shifting power-transfer clutch 7 on the right wing power take-off shaft 2 '; The mounting means of right wing III, IV shelves power shifting power-transfer clutch 8 and right wing I, II shelves power shifting power-transfer clutch 7 is with reference to left road I, II shelves power shifting power-transfer clutch 5; Be provided with right drg 10 behind the right wing power take-off shaft 2 ', right drg 10 is near right wing I, II shelves power shifting power-transfer clutch 7.Right drg 10 is arranged on right wing power take-off shaft 2
'Extension on, its right drg 10 is hub and right wing power take-off shafts 2 initiatively
,Extension connect through spline.Be provided with right median transmission 12 behind the right drg 10; Be provided with a pair of intermeshing finishing bevel gear cuter in the right median transmission 12; One of them bevel pinion 121 passes through the spline coaxial rotation with the active hub of right drg 10, and another bevel gear wheel 122 is connected with right final transmission drive wheel 14.Be provided with one group of reducing gear, finishing bevel gear cuter 122 coaxial rotation in the input end of train of reduction gears and the right median transmission 12 in the right final transmission drive wheel 14.Above-mentioned right wing I, II shelves power shifting power-transfer clutch 7 and right wing III, IV shelves power shifting power-transfer clutch 8 are liquid clutch.
Shown in figure, F represents forward gear, and R represents backward gear, and H represents high-grade, the low retaining of L representative.During use, chaufeur will advance, rearward operation mechanism places the F position, and vehicle advances; To advance, rearward operation mechanism is as for the R position, vehicle falls back; The high and low shift operating mechanism is placed H position, high vehicle speeds; The high and low shift operating mechanism is placed L position, low vehicle speeds.
Though the utility model with embodiment openly as above; But it is not in order to limit the protection domain of the utility model; Any technical personnel of being familiar with this technology, change and the retouching in design that does not break away from the utility model and scope, done all should belong to the protection domain of the utility model.
Claims (4)
1. crawler-tread tractor times formula driving device; Comprise power input shaft; It is characterized in that: described power input shaft is meshed through the corresponding gear on it with left road power take-off shaft and right wing power take-off shaft through first tween drive shaft and second tween drive shaft respectively simultaneously; Be respectively arranged with left road I, II shelves power shifting power-transfer clutch and left road III, IV shelves power shifting power-transfer clutch on the power take-off shaft of left side road; Be provided with left drg behind the power take-off shaft of left side road; Be provided with left main gear behind the drg of a left side, left main gear is connected with the final transmission drive wheel in a left side, is respectively arranged with right wing I, II shelves power shifting power-transfer clutch and right wing III, IV shelves power shifting power-transfer clutch on the right wing power take-off shaft; Be provided with right drg behind the right wing power take-off shaft; Be provided with the right median transmission behind the right drg, the right median transmission is connected the separate control of gear shift operation of the gear shift operation of left road I, II shelves power shifting power-transfer clutch and left road III, IV shelves power shifting power-transfer clutch and right wing I, II shelves power shifting power-transfer clutch and right wing III, IV shelves power shifting power-transfer clutch with right final transmission drive wheel.
2. crawler-tread tractor according to claim 1 times formula driving device; It is characterized in that: be provided with a pair of intermeshing finishing bevel gear cuter in the described left main gear; One of them bevel pinion is connected with left drg, and another bevel gear wheel is connected with the final transmission drive wheel in a left side; Be provided with a pair of intermeshing finishing bevel gear cuter in the described right median transmission, one of them bevel pinion is connected with right drg, and another bevel gear wheel is connected with right final transmission drive wheel.
3. crawler-tread tractor according to claim 1 times formula driving device; It is characterized in that: the final transmission drive wheel in a described left side finally is respectively arranged with one group of reducing gear in the transmission drive wheel with right, and the input end of train of reduction gears is in transmission connection with left main gear and right median respectively.
4. crawler-tread tractor according to claim 1 times formula driving device; It is characterized in that: described left road I, II shelves power shifting power-transfer clutch; Left side road III, IV shelves power shifting power-transfer clutch, right wing I, II shelves power shifting power-transfer clutch and right wing III, IV shelves power shifting power-transfer clutch are liquid clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201629582U CN202098278U (en) | 2011-05-20 | 2011-05-20 | Multiple transmission device of caterpillar tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201629582U CN202098278U (en) | 2011-05-20 | 2011-05-20 | Multiple transmission device of caterpillar tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202098278U true CN202098278U (en) | 2012-01-04 |
Family
ID=45384307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201629582U Expired - Lifetime CN202098278U (en) | 2011-05-20 | 2011-05-20 | Multiple transmission device of caterpillar tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202098278U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267380A (en) * | 2011-05-20 | 2011-12-07 | 杭州葛高机械有限公司 | Doubling transmission device of crawler tractor |
-
2011
- 2011-05-20 CN CN2011201629582U patent/CN202098278U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267380A (en) * | 2011-05-20 | 2011-12-07 | 杭州葛高机械有限公司 | Doubling transmission device of crawler tractor |
| CN102267380B (en) * | 2011-05-20 | 2013-08-14 | 杭州葛高机械有限公司 | Doubling transmission device of crawler tractor |
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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: 20120104 Effective date of abandoning: 20130814 |
|
| RGAV | Abandon patent right to avoid regrant |