CN103129375A - Composite track tractor - Google Patents

Composite track tractor Download PDF

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Publication number
CN103129375A
CN103129375A CN2013100645312A CN201310064531A CN103129375A CN 103129375 A CN103129375 A CN 103129375A CN 2013100645312 A CN2013100645312 A CN 2013100645312A CN 201310064531 A CN201310064531 A CN 201310064531A CN 103129375 A CN103129375 A CN 103129375A
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CN
China
Prior art keywords
gear
box
axle
locking
change speed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN2013100645312A
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Chinese (zh)
Inventor
马伟
罗志胜
宋艳庆
杨龙
王胜军
杨刚
于宗环
王凯
何永战
乔亚丽
钟黎
蔡志昂
逯宏伟
刘春雷
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China Heavy Industry (luoyang) Co Ltd
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China Heavy Industry (luoyang) Co Ltd
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Application filed by China Heavy Industry (luoyang) Co Ltd filed Critical China Heavy Industry (luoyang) Co Ltd
Priority to CN2013100645312A priority Critical patent/CN103129375A/en
Publication of CN103129375A publication Critical patent/CN103129375A/en
Withdrawn legal-status Critical Current

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Abstract

The invention discloses a composite track tractor. A gearbox and a rear axle box are innovated. Technology grafting is performed to a bulldozer traveling frame and an engine cover feature structure, and accordingly expansion and combination of original functions of the tractor and a bulldozer are achieved. The composite track tractor can be matched with a traction device, a hanging device, a dozer blade and a scarifier, has the functions of the tractor and the bulldozer simultaneously, and is multifunctional.

Description

A kind of compound pedrail trac.
Technical field
The present invention relates to the crawler-tread tractor field, especially a kind of compound pedrail trac., it can the matched drawing device, suspension gear, dozer, scarfier, possesses simultaneously the use function of trac. and bulldozer.
Background technology
Existing trac. below 130 horsepowers is equipped with suspension gear, trailer coupling, power take-off implement, can supporting different agricultural machinery and implement ploughs, the farmland operation such as whole ground, sowing, results.Existing bulldozer below 130 horsepowers is equipped with dozer, can connect scarfier on rear axle box, can bulldoze, scraper, the earthwork operation such as loosen the soil, and scope of work has limitation.
Summary of the invention
In order to widen the scope of work of trac. or bulldozer, improve its commonality and economy, the invention provides a kind of compound pedrail trac., change speed gear box, rear axle box have been carried out innovative design, the feature structure of bulldozer driving frame and engine casing has been carried out technical graft, thereby realized the expansion of trac. and bulldozer original function is integrated, made this machine can a tractor serves several purposes.
The technical solution adopted for the present invention to solve the technical problems is: a kind of compound pedrail trac., comprise change speed gear box, the first axle, tween drive shaft and the second axle are arranged in this gear box casing, the first axle and tween drive shaft all are arranged on gear box casing by antifriction-bearing box at two ends, and the two ends of the second axle are arranged on gear box casing by antifriction-bearing box and bearing seat;
Rear axle box, the main body of this rear axle box housing are the oblong cavitys at middle part, and the left and right sides of oblong cavity is half housing in the left and right; The oblong cavity at middle part is chamber, three of left, center, rights by two baffle for separatings, and the centre is the central transmission chamber, and both sides are reversal chambers.
Described compound pedrail trac., the input end that it is characterized in that the rear axle box front portion is connecting change speed gear box, the final driving device in left and right is equipped with in the outside, rear axle box left and right, the second gear reduction unit structure is arranged in it, the mouth of speed reduction gearing is axle drive shaft, the axle drive shaft outer end is installed with drive wheel, and the rear axle box rear portion is equipped with power take-off implement and suspension gear.
described compound pedrail trac., it is characterized in that on the first axle of change speed gear box, normal engagement driving gear and reverse gear cliding gear being housed, normal engagement driven gear is housed on tween drive shaft, three fourth gear cliding gears and a second gear cliding gear, the fourth gear driven gear is housed on the second axle, the third gear driven gear, the second gear driven gear, the driven gear of falling the second gear and first speed driven gear, normal engagement driving gear and normal engagement driven gear mesh all the time, the reverse gear cliding gear, three fourth gear cliding gears and a second gear cliding gear all can slide on axle separately, first speed driven gear also is down the driven gear of a grade simultaneously, the front end of the first axle is processed with male splines, male splines stretches out at transmission housing external, the above installs the slip yoke of universal driving device, it is the input end that change speed gear box receives moment of torsion and rotation, and middle the tip of the axis is processed with male splines, and male splines stretches out in the transmission housing external body, it is the input end to power take-off implement output torque and rotation, the second the tip of the axis is processed with bevel pinion, and bevel pinion stretches out at transmission housing external, and it is the mouth of change speed gear box output torque and rotation.
Described compound pedrail trac. is characterized in that oil splashing gear is equipped with in the front bottom in gear box casing; The top of gear box casing is equipped with three gear shift aiies, shift fork is installed on gear shift ail, the arc bayonet socket of shift fork other end inlay card respectively in the allocating slot of reverse gear cliding gear, three fourth gear cliding gears and a second gear cliding gear, has three locking gear levels to cheat on every gear shift ail.At the gear box casing front end, the change speed gear box protecgulum is installed, the front end of gear shift ail stretches out in the external change speed gear box protecgulum of going forward side by side of transmission housing, and the gear shift ail front end is equipped with the gear shifting block, on the gear shifting block, allocating slot is arranged; The top of change speed gear box protecgulum is installed with guide plate frame bearing, on guide plate frame bearing, the shifter bar bearing is installed, the guide plate frame is installed on the shifter bar bearing, the speed change guide plate is installed on the guide plate frame, the agent structure of shifter bar bearing is included in the guide plate frame, the globosity of shifter bar partly is hinged in the spherical seat of shifter bar bearing, shifter bar can be around its globosity rotation, the shifting block of shifter bar lower end enters in the allocating slot of gear shifting block, the gear guiding groove is arranged on the speed change guide plate, and the shifter bar upper end passes from the gear guiding groove of speed change guide plate; There are some mounting holes the rear end of gear box casing, when being used on rear axle box, change speed gear box being installed, these holes use, leave in a side of gear box casing be interlinked to the outside in larger uncovered, open-mouth is installed with side cover, in the bottom of gear box casing, drain screw is installed.
described compound pedrail trac., the top that it is characterized in that gear box casing is installed with upper cover of speed changing box, the locking gear level axle is housed in upper cover of speed changing box, three holes are arranged on the locking gear level axle, these three holes are the locking gear levels hole position contrast in the middle of three gear shift aiies during in vertical direction respectively with transmission neutral, be processed with the circular passage of connection on the upper cover of speed changing box between hole position and gear box casing up and down, it is the hole, garden of minor diameter that the passage upper end has a bit of, the major diameter passage in-built spring, spring in-built the thin cylindrical section of locking gear level pin, the upper end of this thin cylindrical section enters in smaller diameter passage, the hypomere of locking gear level pin is the structure of top-type, the upper end of spring is against on the step of sized passageways connecting place, the lower end of spring is against on the step of the thin cylindrical section of locking gear level pin and gyro connecting place, the peg-top tip of locking gear level pin is pressed in the locking gear level hole of gear shift ail.
Described compound pedrail trac., an end that it is characterized in that the locking gear level axle is welded with pivoted arm, this pivoted arm promotes and can rotate through the push rod with the interlock of master clutch steering unit, when the rotation of the hole on the locking gear level axle is extremely downward, the thin cylindrical section of locking gear level pin upper end can recede in hole on the locking gear level axle, thereby the gyro tip of locking gear level pin lower end can withdraw from from the locking gear level hole of gear shift ail, can stir gear shift ail and carry out gear shift this moment, otherwise the locking gear level pin can not on move, gear namely keep the locking.
Described compound pedrail trac. is characterized in that there are some tapped bore the upper back of the rear axle box oblong cavity left and right sides, and these tapped bore are for operator's compartment and suspension gear or scarfier are installed; The bottom at two ends, rear axle box oblong cavity aft end face left and right all is welded with the connection carriage, and connecting on carriage has some holes, and these holes are for suspension gear or scarfier are installed.
Described compound pedrail trac., it is characterized in that in the left and right, half housing is the structure of half cavity type, on the front transverse plane of half housing, some tapped bore are arranged in the left and right, these tapped bore are for vehicle frame is installed, in the left and right, there are some tapped bore or unthreaded hole in half housing outside joint face place, and these tapped bore or unthreaded hole are for outer half housing of the final driving device of installation.
Described compound pedrail trac., the front end that it is characterized in that rear axle box central transmission chamber has large, little two circular holes, the big hole position is square on the lower side, small conical gear for change speed gear box the second shaft end therefrom passes, the small sircle hole position is in the upper right side, male splines for change speed gear box tween drive shaft end therefrom passes, and the front end face of central transmission chamber has some tapped bore, and these tapped bore are during for the installation change speed gear box.There is a circular hole rear end of central transmission chamber, the small sircle hole of the position of circular hole and central transmission chamber front end over against, the inboard at this circular hole place is welded with bearing brackett.Some tapped bore are arranged on the aft end face of central transmission chamber, and these tapped bore are for the housing that power take-off implement is installed.Middle part, central transmission chamber is filling large bevel gear shaft, is filling bevel gear wheel on large bevel gear shaft, and bevel gear wheel is meshed with the bevel pinion of change speed gear box the second shaft end, and there is male splines at the two ends of large bevel gear shaft, and male splines extend in the reversal chamber of both sides.The upper right quarter of central transmission chamber has the space of appropriateness, can hold the transmission shaft of lower power take-off implement.Drain screw is equipped with in the bottom of central transmission chamber.
described compound pedrail trac., it is characterized in that a left side, the indoor vital parts of right steering is steering clutch, the input end of steering clutch is connected on coupler, coupler is arranged on the male splines at large bevel gear shaft two ends, the output of steering clutch is passive drum, there are some tapped bore the outer end of passive drum, these tapped bore are for the input end wheel hub that connects final driving device, have on steering clutch and handle its combination and the release ring that separates, spherical head arranged at the release ring bottom, spherical head is embedded in the release ring bearing of reversal chamber bottom installation, connecting bore is arranged at release ring top.Left/right rotation is to the indoor vertical shaft that is equipped with, and the vertical shaft arm is equipped with in the lower end of vertical shaft, is connected with pull bar on the vertical shaft arm, and the other end of pull bar is connected in the connecting bore on release ring top, and the steering clutch separator levers is equipped with in the upper end of vertical shaft.
Described compound pedrail trac. is characterized in that cover plate all is equipped with on the top of three chambers, rear axle box left, center, right, and drg all is housed on the cover plate of left and right reversal chamber, and the brake collar of drg bottom is enclosed in the steering clutch driven drum periphery.Preset the mounting hole of the operating control that power take-off implement is installed on the cover plate of central transmission chamber.
The invention has the beneficial effects as follows: this multiduty crawler-tread tractor, fill different equipments by choosing, can be used as bulldozer and use, also can be used as trac. and use, widened range of use, improved economy.
Description of drawings
Fig. 1 is connection and the location diagram of a kind of high-mobility, multipurpose, wheeled vehicle crawler-tread tractor of the present invention " radiator → driving engine → master clutch → change speed gear box → rear axle box ";
Fig. 2 is change speed gear box transverse cross-sectional view (A-A of Fig. 5 cuts open);
Fig. 3 is that the B-B of Fig. 4 cuts open;
Fig. 4 is that the C-C of Fig. 4 cuts open;
Fig. 5 is the constructional drawing of rear axle box assembly;
Fig. 6 is the left view of rear axle box housing;
Fig. 7 is the right elevation of rear axle box housing;
The front elevation of Fig. 8 rear axle box housing;
Fig. 9 is the back view of rear axle box 6 housings;
Figure 10 is the constructional drawing of the power take-off implement of a kind of high-mobility, multipurpose, wheeled vehicle crawler-tread tractor of the present invention;
Figure 11 is the left view of the suspension gear of high-mobility, multipurpose, wheeled vehicle crawler-tread tractor;
Figure 12 is that scarfier that a kind of high-mobility, multipurpose, wheeled vehicle crawler-tread tractor of the present invention can be supporting is from left side view.
1. radiatores in figure, 2. diesel motor, 3. master clutch, 4. card gear, 5. change speed gear box, 6. rear axle box, 7. upper cover of speed changing box, 8. locking gear level axle, 9. gearshift slide bar, 10. gear box casing, 11. tween drive shaft, 12. the first axle, 13. side cover, 14. the second axle, 15. speed change guide plate, 16. shifter bar, 17. guide plate frame, 18. shifter bar bearing, 19. guide plate frame bearing, 20. spring, 21. locking gear level pin, 22. shift fork, 23. reverse gear cliding gear, 24. antifriction-bearing box, 25. bearing seat, 26. first speed driven gear, 27. oil is stifled, 28. the driven gear of falling the second gear, 29. third gear driven gear, 30. oil is stifled, 31. fourth gear driven gear, 32. often mesh driving gear, 33. often mesh driving gear, 34. gear shifting block, 35. change speed gear box protecgulum, 36. often mesh driven gear, 37. three, the fourth gear cliding gear, 38. shift fork, 39. shift fork, 40. one, the second gear cliding gear, 41. tween drive shaft, 42. oil splashing gear, 43. change speed gear box protecgulum, 44. drg, 45. cover plate, 46. cover plate, 47. vertical shaft, 48. vertical shaft arm, 49. pull bar, 50. steering clutch separator levers, 51. cover plate, 52. bevel gear wheel, 53. oil is stifled, 54. large bevel gear shaft, 55. coupler, 56a. steering clutch input end, 56b. steering clutch input end, 56c. steering clutch driven drum, 57. brake collar, 58. steering clutch, 59. brake collar, 60. rear axle box 6 housings, 61. connection carriage, 62. connection carriage.
The specific embodiment
The present invention will be further described below in conjunction with accompanying drawing: this trac. integral structure is, with the diesel motor 2 that is fitted with radiator 1 as power machine, diesel motor 2 is arranged on the vehicle frame front end, the rear end of vehicle frame is connected on rear axle box 66, mouth at diesel motor 2 rear portions is connecting master clutch 3, input end in rear axle box 66 front portions is connecting change speed gear box 5, is connecting card gear 4 between master clutch 3 and change speed gear box 5; The final driving device in left and right is equipped with in the rear axle box 66 left and right outsides, and the second gear reduction unit structure is arranged in it, and the mouth of speed reduction gearing is axle drive shaft, and the axle drive shaft outer end is installed with drive wheel; With the main body framework of left and right driving frame as running gear, the driving frame upper back is hinged and connected by oscillating axle and rear axle box 66, the equalizing bar that is hinged and connected with vehicle frame is being carried in the front portion of driving frame, the front end of driving frame is equipped with guide wheel, some caterpillar wheels are equipped with in the bottom, carrier wheel is equipped with on top, and crawler belt is looped around the periphery of caterpillar wheel, guide wheel, moping pulley, drive wheel; At driving engine and radiator 1 outside, engine casing is installed, on rear axle box 6 tops, operator's compartment and diesel fuel tanks is installed, at rear axle box 6 rear portions, power take-off implement and suspension gear are installed, complete machine disposes hydraulic efficiency pressure system.
A kind of high-mobility, multipurpose, wheeled vehicle crawler-tread tractor of the present invention is characterised in that its change speed gear box 5 and rear axle box 6, and due to the design of change speed gear box 5 and rear axle box 6, the present invention has power take-off implement, suspension gear, trailer coupling can be housed, can fill dozer, can fill scarfier, therefore can a tractor serves several purposes.
The structure of the change speed gear box of a kind of high-mobility, multipurpose, wheeled vehicle crawler-tread tractor of the present invention is: the first axle 12, tween drive shaft 11 and the second axle 14 are arranged in gear box casing 10, the first axle 12 and tween drive shaft 11 all are arranged on gear box casing 10 by antifriction-bearing box 24 at two ends, and the two ends of the second axle 14 are arranged on gear box casing 10 by antifriction-bearing box 24 and bearing seat 25.normal engagement driving gear 32 and reverse gear cliding gear 23 are housed on the first axle 12, normal engagement driven gear 36 is housed on tween drive shaft 11, three fourth gear cliding gears and a second gear cliding gear, on the second axle 14, fourth gear driven gear 31 is housed, the third gear driven gear, the second gear driven gear, the driven gear of falling the second gear 28 and first speed driven gear 26, normal engagement driving gear 32 and normal engagement driven gear 36 mesh all the time, reverse gear cliding gear 23, three fourth gear cliding gears and a second gear cliding gear all can slide on axle separately, first speed driven gear 26 also is down the driven gear of a grade simultaneously.The front end of the first axle 12 is processed with male splines, male splines stretches out outside gear box casing 10, the above installs the slip yoke of universal driving device, it is the input end that change speed gear box receives moment of torsion and rotation, the end of tween drive shaft 11 is processed with male splines, male splines stretches out in gear box casing 10 outsides, it is the input end to power take-off implement output torque and rotation, the end of the second axle 14 is processed with bevel pinion, bevel pinion stretches out outside gear box casing 10, and it is the mouth of change speed gear box output torque and rotation.Oil splashing gear 42 is equipped with in front bottom in gear box casing 10.
The structure of the change speed gear box of a kind of high-mobility, multipurpose, wheeled vehicle crawler-tread tractor of the present invention is: three gear shift aiies are installed on the top of gear box casing 10, shift fork is installed on gear shift ail, the arc bayonet socket of shift fork other end inlay card respectively in the allocating slot of reverse gear cliding gear 23, three fourth gear cliding gears and a second gear cliding gear, has three locking gear levels to cheat on every gear shift ail.At gear box casing 10 front ends, change speed gear box protecgulum 35 is installed, the front end of gear shift ail stretches out outside gear box casing 10 and enters in change speed gear box protecgulum 35, and the gear shift ail front end is equipped with gear shifting block 34, on gear shifting block 34, allocating slot is arranged.guide plate frame bearing 19 is installed in the top of change speed gear box protecgulum 35, on guide plate frame bearing 19, shifter bar bearing 18 is installed, guide plate frame 17 is installed on shifter bar bearing 18, speed change guide plate 15 is installed on guide plate frame 17, the agent structure of shifter bar bearing 18 is included in guide plate frame 17, the globosity of shifter bar 16 partly is hinged in the spherical seat of shifter bar bearing 18, shifter bar 16 can be around its globosity rotation, the shifting block of shifter bar 16 lower ends enters in the allocating slot of gear shifting block 34, the gear guiding groove is arranged on speed change guide plate 15, shifter bar 16 upper ends pass from the gear guiding groove of speed change guide plate 15.
the structure of the change speed gear box of a kind of high-mobility, multipurpose, wheeled vehicle crawler-tread tractor of the present invention is: in the top of gear box casing 10, upper cover of speed changing box 7 is installed, locking gear level axle 8 is housed in upper cover of speed changing box 7, three holes are arranged on locking gear level axle 8, these three holes are the locking gear levels hole position contrast in the middle of three gear shift aiies during in vertical direction respectively with transmission neutral, be processed with the circular passage of connection on the upper cover of speed changing box 7 between hole position and gear box casing 10 up and down, it is the hole, garden of minor diameter that the passage upper end has a bit of, the major diameter passage in-built spring, spring in-built the thin cylindrical section of locking gear level pin 21, the upper end of this thin cylindrical section enters in smaller diameter passage, the hypomere of locking gear level pin 21 is structures of top-type, the upper end of spring is against on the step of sized passageways connecting place, the lower end of spring is against on the step of the thin cylindrical section of locking gear level pin 21 and gyro connecting place, the peg-top tip of locking gear level pin 21 is pressed in the locking gear level hole of gear shift ail.One end of locking gear level axle 8 is welded with pivoted arm, this pivoted arm promotes and can rotate through the push rod with master clutch 3 steering unit interlocks, when the rotation of the hole on locking gear level axle 8 is extremely downward, the thin cylindrical section of locking gear level pin 21 upper ends can recede in hole on the locking gear level axle, thereby the gyro tip of locking gear level pin 21 lower ends can withdraw from from the locking gear level hole of gear shift ail, can stir gear shift ail carry out gear shift this moment, otherwise locking gear level pin 21 can not on move, gear namely keeps locking.
The structure of the change speed gear box of a kind of high-mobility, multipurpose, wheeled vehicle crawler-tread tractor of the present invention is: in the rear end of gear box casing 10, some mounting holes are arranged, when being used on rear axle box 6, change speed gear box being installed, these holes use, leave in a side of gear box casing 10 be interlinked to the outside in larger uncovered, open-mouth is installed with side cover 13, in the bottom of gear box casing 10, drain screw is installed.
The change speed gear box of a kind of high-mobility, multipurpose, wheeled vehicle crawler-tread tractor of the present invention has four D Drives, and two reverse gears is characterized in that the end of change speed gear box tween drive shaft 11 has male splines, and male splines stretches out in gear box casing 10 outsides.
The structure of the rear axle box 6 of a kind of high-mobility, multipurpose, wheeled vehicle crawler-tread tractor of the present invention is: the rear axle box housing is the base part of rear axle box assembly, and the main body of rear axle box housing 60 is the oblong cavitys at middle part, and the left and right sides of oblong cavity is half housing in the left and right.The oblong cavity at middle part is chamber, three of left, center, rights by two baffle for separatings, and the centre is the central transmission chamber, and both sides are reversal chambers.
The structure of the rear axle box 6 of a kind of high-mobility, multipurpose, wheeled vehicle crawler-tread tractor of the present invention is: there are some tapped bore the upper back of the rear axle box 6 oblong cavity left and right sides, and these tapped bore are for operator's compartment and suspension gear or scarfier are installed.The bottom at rear axle box 6 two ends, oblong cavity aft end face left and right all is welded with and connects carriage 61, and connecting on carriage 61 has some holes, and these holes are for suspension gear or scarfier are installed.
The structure of the rear axle box 6 of a kind of high-mobility, multipurpose, wheeled vehicle crawler-tread tractor of the present invention is: the front end of central transmission chamber has large, little two circular holes, the big hole position is square on the lower side, small conical gear for change speed gear box the second axle 14 ends therefrom passes, the small sircle hole position is in the upper right side, male splines for change speed gear box tween drive shaft 11 ends therefrom passes, the front end face of central transmission chamber has some tapped bore, and these tapped bore are when installing change speed gear box.There is a circular hole rear end of central transmission chamber, the small sircle hole of the position of circular hole and central transmission chamber front end over against, the inboard at this circular hole place is welded with bearing brackett.Some tapped bore are arranged on the aft end face of central transmission chamber, and these tapped bore are for the housing that power take-off implement is installed.Middle part, central transmission chamber is filling large bevel gear shaft 54, filling bevel gear wheel 52 on large bevel gear shaft 54, bevel gear wheel 52 is meshed with the bevel pinion of change speed gear box the second axle 14 ends, and there is male splines at the two ends of large bevel gear shaft, and male splines extend in the reversal chamber of both sides.The upper right quarter of central transmission chamber has the space of appropriateness, can hold the transmission shaft of lower power take-off implement.Drain screw is equipped with in the bottom of central transmission chamber.
the structure of the rear axle box 6 of a kind of high-mobility, multipurpose, wheeled vehicle crawler-tread tractor of the present invention is: a left side, the indoor vital parts of right steering is steering clutch, the input end of steering clutch is connected on coupler 55, coupler 55 is arranged on the male splines at large bevel gear shaft two ends, the output of steering clutch is passive drum, there are some tapped bore the outer end of passive drum, these tapped bore are for the input end wheel hub that connects final driving device, have on steering clutch and handle its combination and the release ring that separates, spherical head arranged at the release ring bottom, spherical head is embedded in the release ring bearing of reversal chamber bottom installation, connecting bore is arranged at release ring top.Left/right rotation is to the indoor vertical shaft 47 that is equipped with, and the vertical shaft arm is equipped with in the lower end of vertical shaft 47, is connected with pull bar on the vertical shaft arm, and the other end of pull bar is connected in the connecting bore on release ring top, and the steering clutch separator levers is equipped with in the upper end of vertical shaft 47.
The structure of the rear axle box 6 of a kind of high-mobility, multipurpose, wheeled vehicle crawler-tread tractor of the present invention is: cover plate 45 all is equipped with on the top of rear axle box 6 three chambers, left, center, right, on the cover plate 45 of left and right reversal chamber, drg 44 is housed all, the brake collar 57 of drg 44 bottoms is enclosed in the passive bulging 56c periphery of steering clutch 58.Preset the mounting hole of the operating control that power take-off implement is installed on the cover plate 45 of central transmission chamber.
The structure of the rear axle box 6 of a kind of high-mobility, multipurpose, wheeled vehicle crawler-tread tractor of the present invention is: in the left and right, half housing is the structure of half cavity type, on the front transverse plane of half housing, some tapped bore are arranged in the left and right, these tapped bore are for vehicle frame is installed, in the left and right, there are some tapped bore or unthreaded hole in half housing outside joint face place, and these tapped bore or unthreaded hole are for outer half housing of the final driving device of installation.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, with reference to embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.Without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and all in the claimed scope of the invention, the claimed scope of the present invention is defined by appending claims and equivalent thereof these changes and improvements.

Claims (10)

1. compound pedrail trac., it is characterized in that comprising change speed gear box, the first axle, tween drive shaft and the second axle are arranged in this gear box casing, the first axle and tween drive shaft all are arranged on gear box casing by antifriction-bearing box at two ends, and the two ends of the second axle are arranged on gear box casing by antifriction-bearing box and bearing seat;
Rear axle box, the main body of this rear axle box housing are the oblong cavitys at middle part, and the left and right sides of oblong cavity is half housing in the left and right; The oblong cavity at middle part is chamber, three of left, center, rights by two baffle for separatings, and the centre is the central transmission chamber, and both sides are reversal chambers.
2. a kind of compound pedrail trac. described according to claim 1, the input end that it is characterized in that the rear axle box front portion is connecting change speed gear box, the final driving device in left and right is equipped with in the outside, rear axle box left and right, the second gear reduction unit structure is arranged in it, the mouth of speed reduction gearing is axle drive shaft, the axle drive shaft outer end is installed with drive wheel, and the rear axle box rear portion is equipped with power take-off implement and suspension gear.
3. a kind of compound pedrail trac. described according to claim 1, it is characterized in that on the first axle of change speed gear box, normal engagement driving gear and reverse gear cliding gear being housed, normal engagement driven gear is housed on tween drive shaft, three fourth gear cliding gears and a second gear cliding gear, the fourth gear driven gear is housed on the second axle, the third gear driven gear, the second gear driven gear, the driven gear of falling the second gear and first speed driven gear, normal engagement driving gear and normal engagement driven gear mesh all the time, the reverse gear cliding gear, three fourth gear cliding gears and a second gear cliding gear all can slide on axle separately, first speed driven gear also is down the driven gear of a grade simultaneously, the front end of the first axle is processed with male splines, male splines stretches out at transmission housing external, the above installs the slip yoke of universal driving device, it is the input end that change speed gear box receives moment of torsion and rotation, and middle the tip of the axis is processed with male splines, and male splines stretches out in the transmission housing external body, it is the input end to power take-off implement output torque and rotation, the second the tip of the axis is processed with bevel pinion, and bevel pinion stretches out at transmission housing external, and it is the mouth of change speed gear box output torque and rotation.
4. a kind of compound pedrail trac. described according to claim 1, is characterized in that oil splashing gear is equipped with in the front bottom in gear box casing; The top of gear box casing is equipped with three gear shift aiies, shift fork is installed on gear shift ail, the arc bayonet socket of shift fork other end inlay card respectively in the allocating slot of reverse gear cliding gear, three fourth gear cliding gears and a second gear cliding gear, has three locking gear levels to cheat on every gear shift ail.
5. at the gear box casing front end, the change speed gear box protecgulum is installed, the front end of gear shift ail stretches out in the external change speed gear box protecgulum of going forward side by side of transmission housing, and the gear shift ail front end is equipped with the gear shifting block, on the gear shifting block, allocating slot is arranged; The top of change speed gear box protecgulum is installed with guide plate frame bearing, on guide plate frame bearing, the shifter bar bearing is installed, the guide plate frame is installed on the shifter bar bearing, the speed change guide plate is installed on the guide plate frame, the agent structure of shifter bar bearing is included in the guide plate frame, the globosity of shifter bar partly is hinged in the spherical seat of shifter bar bearing, shifter bar can be around its globosity rotation, the shifting block of shifter bar lower end enters in the allocating slot of gear shifting block, the gear guiding groove is arranged on the speed change guide plate, and the shifter bar upper end passes from the gear guiding groove of speed change guide plate; There are some mounting holes the rear end of gear box casing, when being used on rear axle box, change speed gear box being installed, these holes use, leave in a side of gear box casing be interlinked to the outside in larger uncovered, open-mouth is installed with side cover, in the bottom of gear box casing, drain screw is installed.
6. a kind of compound pedrail trac. described according to claim 1, the top that it is characterized in that gear box casing is installed with upper cover of speed changing box, the locking gear level axle is housed in upper cover of speed changing box, three holes are arranged on the locking gear level axle, these three holes are the locking gear levels hole position contrast in the middle of three gear shift aiies during in vertical direction respectively with transmission neutral, be processed with the circular passage of connection on the upper cover of speed changing box between hole position and gear box casing up and down, it is the hole, garden of minor diameter that the passage upper end has a bit of, the major diameter passage in-built spring, spring in-built the thin cylindrical section of locking gear level pin, the upper end of this thin cylindrical section enters in smaller diameter passage, the hypomere of locking gear level pin is the structure of top-type, the upper end of spring is against on the step of sized passageways connecting place, the lower end of spring is against on the step of the thin cylindrical section of locking gear level pin and gyro connecting place, the peg-top tip of locking gear level pin is pressed in the locking gear level hole of gear shift ail.
7. a kind of compound pedrail trac. described according to claim 1, an end that it is characterized in that the locking gear level axle is welded with pivoted arm, this pivoted arm promotes and can rotate through the push rod with the interlock of master clutch steering unit, when the rotation of the hole on the locking gear level axle is extremely downward, the thin cylindrical section of locking gear level pin upper end can recede in hole on the locking gear level axle, thereby the gyro tip of locking gear level pin lower end can withdraw from from the locking gear level hole of gear shift ail, can stir gear shift ail and carry out gear shift this moment, otherwise the locking gear level pin can not on move, gear namely keeps locking.
8. a kind of compound pedrail trac. described according to claim 1 is characterized in that there are some tapped bore the upper back of the rear axle box oblong cavity left and right sides, and these tapped bore are for operator's compartment and suspension gear or scarfier are installed; The bottom at two ends, rear axle box oblong cavity aft end face left and right all is welded with the connection carriage, and connecting on carriage has some holes, and these holes are for suspension gear or scarfier are installed.
9. a kind of compound pedrail trac. described according to claim 1, it is characterized in that in the left and right, half housing is the structure of half cavity type, on the front transverse plane of half housing, some tapped bore are arranged in the left and right, these tapped bore are for vehicle frame is installed, in the left and right, there are some tapped bore or unthreaded hole in half housing outside joint face place, and these tapped bore or unthreaded hole are for outer half housing of the final driving device of installation.
10. a kind of compound pedrail trac. described according to claim 1, the front end that it is characterized in that rear axle box central transmission chamber has large, little two circular holes, the big hole position is square on the lower side, small conical gear for change speed gear box the second shaft end therefrom passes, the small sircle hole position is in the upper right side, male splines for change speed gear box tween drive shaft end therefrom passes, and the front end face of central transmission chamber has some tapped bore, and these tapped bore are during for the installation change speed gear box; There is a circular hole rear end of central transmission chamber, the small sircle hole of the position of circular hole and central transmission chamber front end over against, the inboard at this circular hole place is welded with bearing brackett; Some tapped bore are arranged on the aft end face of central transmission chamber, and these tapped bore are for the housing that power take-off implement is installed; Middle part, central transmission chamber is filling large bevel gear shaft, is filling bevel gear wheel on large bevel gear shaft, and bevel gear wheel is meshed with the bevel pinion of change speed gear box the second shaft end, and there is male splines at the two ends of large bevel gear shaft, and male splines extend in the reversal chamber of both sides; The upper right quarter of central transmission chamber has the space of appropriateness, can hold the transmission shaft of lower power take-off implement; Drain screw is equipped with in the bottom of central transmission chamber.
CN2013100645312A 2013-03-01 2013-03-01 Composite track tractor Withdrawn CN103129375A (en)

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CN107366718A (en) * 2017-07-19 2017-11-21 重庆墨龙机械有限公司 Three-dimensional exports transmission mechanism

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CN201953920U (en) * 2011-04-21 2011-08-31 中国一拖集团有限公司 Short three-shaft type gearbox for crawler tractor
CN102296654A (en) * 2010-06-22 2011-12-28 天津建筑机械厂 Mechanical gearbox of bulldozer
CN202646626U (en) * 2012-06-13 2013-01-02 浙江宁野农业装备有限公司 Second-shaft mechanism

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Publication number Priority date Publication date Assignee Title
JPH0781445A (en) * 1993-09-14 1995-03-28 Kubota Corp Power transmission device for tractor
JPH07149158A (en) * 1993-11-29 1995-06-13 Iseki & Co Ltd Transmission case for tractor
CN2463221Y (en) * 2001-01-17 2001-12-05 刘胜 Gear-change mechainsm for four-wheel tractor
CN201068100Y (en) * 2007-08-16 2008-06-04 中国一拖集团有限公司 Suspension arm type caterpillar tractor rear axle
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107366718A (en) * 2017-07-19 2017-11-21 重庆墨龙机械有限公司 Three-dimensional exports transmission mechanism
CN107366718B (en) * 2017-07-19 2023-02-07 重庆墨龙机械有限公司 Three-way output transmission mechanism

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Application publication date: 20130605