CN107725694A - A kind of kitten gearbox - Google Patents
A kind of kitten gearbox Download PDFInfo
- Publication number
- CN107725694A CN107725694A CN201711067869.8A CN201711067869A CN107725694A CN 107725694 A CN107725694 A CN 107725694A CN 201711067869 A CN201711067869 A CN 201711067869A CN 107725694 A CN107725694 A CN 107725694A
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- Prior art keywords
- gear
- fork
- separation
- steering
- shaft
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
- F16H3/22—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially
- F16H3/30—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial
- F16H3/32—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial and an additional shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/36—Differential gearings characterised by intentionally generating speed difference between outputs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/037—Gearboxes for accommodating differential gearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/08—Multiple final output mechanisms being moved by a single common final actuating mechanism
- F16H63/10—Multiple final output mechanisms being moved by a single common final actuating mechanism the final actuating mechanism having a series of independent ways of movement, each way of movement being associated with only one final output mechanism
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/36—Differential gearings characterised by intentionally generating speed difference between outputs
- F16H2048/366—Differential gearings characterised by intentionally generating speed difference between outputs using additional non-orbital gears in combination with clutches or brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
- F16H2057/02056—Gearboxes for particular applications for vehicle transmissions for utility vehicles, e.g. tractors or agricultural machines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H2063/3079—Shift rod assembly, e.g. supporting, assembly or manufacturing of shift rails or rods; Special details thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0052—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising six forward speeds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/0082—Transmissions for multiple ratios characterised by the number of reverse speeds
- F16H2200/0086—Transmissions for multiple ratios characterised by the number of reverse speeds the gear ratios comprising two reverse speeds
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
Abstract
The present invention relates to a kind of small-sized caterpillar belt to drag machine gearbox, it is characterized in that:The gearbox also includes remote control, receiver, magnetic valve and unidirectional small oil tank;Described unidirectional small oil tank is two, and two check valves of described magnetic valve are connected by hydraulic oil pipe with two unidirectional small oil tanks of responsible left and right turn respectively;Receiver is connected by two check valves and a main valve of wire and magnetic valve, receiver is simultaneously powered by dilatory electromechanical source, and receiver is used to receive the various instructions that remote control is sent and two check valves of magnetic valve is worked with two unidirectional small oil tanks of responsible left and right turn.The gearbox energy manually handle and remote operation, and be remotely controlled, manual manipulation it is simple, it is non-interference, be easy to use reliable, power output energy rotating, meet various job requirements, suitable for various kittens.
Description
Technical field
The present invention relates to a kind of gear box of tractor, particularly a kind of small-sized caterpillar belt drags machine gearbox.Belong to farm machinery
Field.
Background technology
The plantation of booth vegetable, the cultivated pipe in orchard are required for mechanized equipment, and wheeled tractor sits a head height after people, agricultural machinery
Has trifilar suspension length, radius of turn is big, big to geostatic pressure, is limited in greenhouse, orchard operation, therefore can not meet that greenhouse orchard is ploughed
Pipe demand.
Due to be limited under fruit tree during operation by height, existing tractor can not sit on operation, can only
Operated with car, be absolutely unsafe, need people to devise a kind of kitten, but the core of kitten for this
Problem is exactly to need matching gearbox.Existing gear box of tractor can not realize the power output of rotating, can only
It is manually operated, and volume is big, poor reliability, uses inconvenience, can not meet various job requirements.
The content of the invention
It is an object of the invention to provide a kind of small-sized caterpillar belt to drag machine gearbox, and the gearbox energy manually handle and remote control are grasped
It is vertical, and be remotely controlled, manual manipulation it is simple, it is non-interference, be easy to use reliable, power output energy rotating, meet various works
Industry demand, suitable for various kittens.
Technical scheme:A kind of small-sized caterpillar belt drags machine gearbox, it comprise at least gearbox body, gear shift cover,
Brake system, manual steering system, clutch, power input pinion, clutch shaft, Bo Fork axles, power output shaft, power are defeated
Go out jackshaft, I-III Dang Bo Fork, I-III shelves gear, main shaft, II-Dao Dang Bo Fork, II-reverse gear, two axles, two axle duplex-gears
Wheel, high low speed are dialled Fork, reduction gearing, high slow-speed shaft, high low speed free gear, high low speed fixed gear, small reduction gearing, small subtracted
Fast gear shaft, separation shaft is turned to, separation little gear is turned to, turns to separation block, steering spindle, turns to separation deceleration gear wheel, driving
Axle and drive gear wheel;It is characterized in that:The gearbox also includes remote control, receiver, magnetic valve and unidirectional small oil tank;Described
Unidirectional small oil tank is two, and two check valves of described magnetic valve pass through two of hydraulic oil pipe and responsible left and right turn respectively
Unidirectional small oil tank connection;Receiver is connected by two check valves and a main valve of wire and magnetic valve, and receiver simultaneously passes through
Dilatory electromechanical source power supply, receiver are used to receive the various instructions that remote control is sent and make two check valves of magnetic valve with being responsible for
The unidirectional small oil tank work of two of left and right turn.
Described manual steering system includes steering tiller and left and right identical manually handle assembly, described steering tiller
Front portion is connected with left and right manually handle assembly respectively;Described manually handle assembly include rod head, pull bar, pitman arm and
Steering power separates pull bar;Order passes through bearing pin and rod head, pull bar, pitman arm and steering power point to steering tiller successively
Connected from pull bar, bracket arm levelling seat is socketed with steering power separation pull bar.
It is fixedly mounted among described steering spindle and turns to separation deceleration gear wheel, turns to separation deceleration gear wheel and small deceleration
Gear is often engaged, and separation little gear, described two steerings are turned in the both sides difference activity installation for turning to separation deceleration gear wheel
Separation little gear turns to cut spring extruding by two and is inserted respectively into the groove for turning to separation deceleration gear wheel both sides, group
Into a jaw clutch, turn to separation little gear and drive gear wheel often engages;Described steering separation shaft and steering separates
Seat is two, and they are all symmetrically distributed in steering separation deceleration gear wheel both sides, turn to separation shaft and are movably arranged on steering point
In disseating, steering separation Bo Fork are installed with the inside of separation shaft turning to, the head for turning to separation Bo Fork is inserted into steering point
Pulled from steering separation shaft shelves in little gear Bo Fork grooves, are installed with the outside of steering separation shaft, turn to activity on separation block
Steering separation rocking arm is installed;Turn to separation rocking arm bottom to be fixedly mounted on unidirectional small oil tank, and drawing is separated with steering power
Bar is flexibly connected.
Described brake system includes the two identical brake assemblies in left and right;Brake assembly includes:Turn to brake axle, turn to
Brake little gear, bracket arm levelling seat, bracket arm and steering brake axle bed, turns to brake axle and is movably arranged on steering brake
In axle bed, turn to brake axle one end and steering brake little gear is fixedly mounted, the other end is installed with brake rim, braked turning to
Brake shell is installed with axle bed, is movably installed with brake shell and turns to brake rocker axle, turn to brake rocker axle
Inner side is movably installed with brake shoe, turns to and steering brake rocker is installed with the outside of brake rocker axle, turns to brake rocker and leads to
Cross bracket arm to be flexibly connected with bracket arm levelling seat (59), bracket arm aligns seat and adjusting the elastic rear use of bracket arm
Sieve bolt is fixed.
Described drive shaft is two, and left and right two is symmetrical, and drive shaft tube is cased with drive shaft, and drive shaft one end is consolidated
Dingan County fills drive gear wheel, drive gear wheel and steering separation little gear and the steering brake little gear of brake system often engages,
The other end of drive shaft is installed with rubber crawler driving wheel.
Described power output shaft is arranged on gearbox body top back position, power output shaft, main shaft and power output
Jackshaft distribution triangular in shape, power output shaft one end are movably installed with power output gear, and the other end is flexibly connected dynamic
Output chain gear;Power output idler gear is installed with power output jackshaft;Described main shaft also with two axles and clutch
The distribution triangular in shape of device axle, main shaft duplicate gear, the gear wheel and clutch of main shaft duplicate gear is fixedly mounted in main shaft side
Power input pinion on axle is often engaged, and the little gear of main shaft duplicate gear is often nibbled with the little gear of power output idler gear
Close;Main shaft opposite side activity installation I-III shelves gear, two axles correspond to main shaft duplicate gear position side activity installation II-
Gear is kept off, two axle duplicate gears are fixedly mounted in opposite side, the reduction gearing in the little gear and high slow-speed shaft of two axle duplicate gears
Often engagement.
Described Fork axles of dialling are 4, respectively the first group of Fork axle, the 2nd group of Fork axle, the 3rd group of Fork axle and the 4th group of Fork axle,
Guan County is mounted on gearbox order respectively according to this from left to right for they;Restricted Activities installation power output on Fork axles is dialled for first to dial
Fork, the 2nd dial Fork axles on Restricted Activities install I-III grade dial Fork, the 3rd dial Fork axles on Restricted Activities install II-reverse gear dial
Fork, Restricted Activities installation height Su Bo Fork on the 4th Ge Bo Fork axles;
Dialled at the first and power output group Fork is movably installed with Fork axles, power output dials Fork and stirs power output gear, power
Output gear is in centre position power and not exported, and pushes location right power output gear and main shaft duplicate gear little gear is nibbled
Close, rotate forward power output, push left position power output gear and the engagement of power output idler gear gear wheel, power output
Gear Reverse Power exports, and drives power output sprocket, is rotatablely connected, outputed power with chain and agricultural machinery and implement.
Described clutch shaft is movably arranged on the top of gearbox body, clutch shaft one end suit clutch, the other end
Hydraulic oil pump is installed, hydraulic oil pump is fixed on gearbox body, and power input pinion is fixedly mounted in the middle part of clutch shaft, from
Clutch is connected by V-belt and diesel engine belt pulley, and clutch connects with power input pinion and hydraulic oil pump transmission
Connect, hydraulic oil pump output oil port is connected by oil pipe with magnetic valve, and hydraulic oil pump input oil port connects with hydraulic oil container, and power is defeated
The main shaft duplicate gear gear wheel entered in little gear and main shaft often engages.
It is installed with that gear is spacing to be pulled on described gear shift cover, Fu Bo Fork axles is also movably installed with gear shift cover,
Fu Bo Fork axle positions pull lower section in gear is spacing, and one is installed with Fu Bo Fork axles and hangs shelves handle and two Fu Bo Fork, and two
Individual Fu Bo Fork are located in gear shift cover, hang shelves handle and are located at outside gear shift cover.
Described gearbox is high 8 gears of low speed, and high 8 gears of low speed include 6 drive shifts and 2 reverse gears, 6
The fast ratio of individual drive shift is:I grade 1: 28.5 at a high speed, II grade 1: 43.69 at a high speed, III grade 1: 72.1 at a high speed, I grade 1: 7.496 of low speed,
II grade 1: 11.495 of low speed, III grade 1: 18.97 of low speed;The fast ratio of 2 reverse gears is:The fast ratio of high speed reverse is 1: 41, II-reverse gear
Fast ratio be 1: 10.79;The power output speed of gearbox is 1: 2.79 than rotating forward;Reversion is 1: 2.29.
Advantages of the present invention:The gearbox energy manually handle and remote operation, and be remotely controlled, manual manipulation it is simple, do not do mutually
Relate to, be easy to use reliable.The present invention realizes power output rotating, meets various job requirements, suitable for various small
Type crawler tractor.The gearbox is small, is exclusively used in the rubber track tractor speed change of supporting 20-30 horsepower single cylinder diesel
Case.
Brief description of the drawings
Fig. 1 is the arrangement schematic diagram of the present invention;
Fig. 2 is the scheme of installation of the present invention;
Fig. 3 is manual steering system of the present invention, brake system structural representation;
Fig. 4 is that the present invention hangs shelves handle position figure;
Fig. 5 is Bo Fork axles installation shifting fork schematic diagram of the present invention.
In figure, 1, clutch;2nd, power input pinion;3rd, power input shaft;4th, power output Bo Fork;5th, Bo Fork axles;
6th, hydraulic oil pump;7th, power output gear;8th, power output shaft;9th, power output sprocket;10th, power output jackshaft;11st, move
Power exports idler gear;12nd, I-III Dang Bo Fork;13rd, I-III shelves gear;14th, main shaft;15th, main shaft duplicate gear;16th, II-reverse gear
Bo Fork;17th, II-reverse gear;18th, two axle;19th, two axle duplicate gear;20th, high low speed dials Fork;21st, reduction gearing;22nd, height
Fast axle;23rd, high low speed free gear;24th, high low speed fixed gear;25th, small reduction gearing;26th, small reduction gear shaft;27th, turn
To separation rocking arm;28th, separation shaft shelves are turned to pull;29th, separation shaft is turned to;30th, cut spring is turned to;31st, separation little gear is turned to;
32nd, separation block is turned to;33rd, separation Bo Fork are turned to;34th, steering spindle;35th, separation deceleration gear wheel is turned to;36th, drive shaft tube;37、
Drive shaft;38th, rubber crawler driving wheel;39th, brake rocker is turned to;40th, brake rocker axle is turned to;41st, brake shoe;42nd, turn to
Brake axle;43rd, brake little gear is turned to;44th, big retarding gear;45th, gearbox;46th, shelves handle is hung;47th, gear is spacing pulls;
48th, Fu Bo Fork;49th, Fu Bo Fork axles;50th, gear shift cover;51st, steering tiller;52nd, rod head;53rd, pull bar;54th, turn to and shake
Arm;55th, steering power separation pull bar;56th, receiver;57th, remote control;58th, magnetic valve;59th, bracket arm levelling seat;60th, stop
Car pull bar;61st, hydraulic oil pipe;62nd, unidirectional small oil tank;63rd, wire;64th, brake axle bed is turned to;65th, brake shell;66th, brake
Drum.
Embodiment
With reference to specific embodiment, the present invention is described further, but protection scope of the present invention is not limited in
This:
Embodiment 1
As Figure 1-3, a kind of small-sized caterpillar belt drags machine gearbox, and it comprises at least gearbox body 45, gear shift cover 50, brake system
System, manual steering system, clutch 1, power input pinion 2, the, Bo Fork axles 5 of clutch shaft 3, power output shaft 8, power are defeated
Go out jackshaft 10, I-III Dang Bo Fork 12, I-III shelves gear 13, main shaft 14, II-Dao Dang Bo Fork 16, II-reverse gear 17, two axles
18th, two axle duplicate gears 19, high low speed dial Fork 20, reduction gearing 21, high slow-speed shaft 22, high low speed free gear 23, high low speed
Fixed gear 24, small reduction gearing 25, small reduction gear shaft 26, steering separation shaft 29, steering separation little gear 31, steering separation
Seat 32, steering spindle 34, turn to separation deceleration gear wheel 35, drive shaft 37 and drive gear wheel 44;The gearbox also includes remote control
Device 57, receiver 56, magnetic valve 58 and unidirectional small oil tank 62;Described unidirectional small oil tank 62 is two, described magnetic valve 58
Two check valves be connected respectively by hydraulic oil pipe 61 with two unidirectional small oil tanks 62 of responsible left and right turn;Receiver 56 is logical
Two check valves and a main valve for crossing wire 63 and magnetic valve 58 are connected, and receiver 56 is simultaneously powered by dilatory electromechanical source, is connect
Device 56 is received to be used to receive the various instructions that remote control 57 is sent and make two check valves of magnetic valve 58 and responsible left and right turn
Two unidirectional small oil tanks 62 work.
Embodiment 2
On the basis of embodiment 1, as shown in figure 3, described manual steering system includes steering tiller 51 and left and right identical
Manually handle assembly, described steering tiller 51 is anterior to be connected with left and right manually handle assembly respectively;Described manually handle is total
Pull bar 55 is separated into including rod head 52, pull bar 53, pitman arm 54 and steering power;Steering tiller 51 sequentially passes through successively
Bearing pin and rod head 52, pull bar 53, pitman arm 54 and steering power separation pull bar 55 are connected, and pull bar is separated in steering power
Bracket arm levelling seat 59 is socketed with 55.
It is fixedly mounted among described steering spindle 34 and turns to separation deceleration gear wheel 35, turns to the He of separation deceleration gear wheel 35
Small reduction gearing 25 is often engaged, and separation little gear 31 is turned in the both sides difference activity installation for turning to separation deceleration gear wheel 35,
Described two separation little gears 31 that turn to are inserted respectively into steering separation deceleration canine tooth by two steering extruding of cut spring 30
In the groove for taking turns 35 both sides, a jaw clutch is formed, separation little gear 31 is turned to and drive gear wheel 44 often engages;It is described
Steering separation shaft 29 and to turn to separation block 32 be two, they are all symmetrically distributed in 35 liang of steering separation deceleration gear wheel
Side, turn to separation shaft 29 and be movably arranged in steering separation block 32, steering separation is installed with turning to the inner side of separation shaft 29
Bo Fork 33, the head for turning to separation Bo Fork 33 are inserted into the steering separation Bo Fork grooves of little gear 31, turned to outside separation shaft 29
Side is installed with steering separation shaft shelves and pulls 28, turns to and steering separation rocking arm 27 is movably installed with separation block 32;Turn to separation
The bottom of rocking arm 27 is fixedly mounted on unidirectional small oil tank 62, and is separated pull bar 55 with steering power and be flexibly connected.
Described brake system includes the two identical brake assemblies in left and right;Brake assembly includes:Turn to brake axle 42, turn
To brake little gear 43, bracket arm levelling seat 59, bracket arm 60 and brake axle bed 64 is turned to, turns to the activity of brake axle 42
Installed in turning in brake axle bed 64, turn to the one end of brake axle 42 and steering brake little gear 43 is fixedly mounted, the other end fixes peace
Equipped with brake rim 66, brake shell 65 is installed with brake axle bed 64 is turned to, is movably installed with brake shell 65
Brake rocker axle 40 is turned to, the inner side of brake rocker axle 40 is turned to and is movably installed with brake shoe 41, turn to the outside of brake rocker axle 40
It is installed with and turns to brake rocker 39, turns to brake rocker 39 and the activity of seat 59 is aligned even by bracket arm 60 and bracket arm
Connect, bracket arm align seat 59 adjust bracket arm 60 it is elastic after fixed with sieve bolt.
Described drive shaft 37 is two, and left and right two is symmetrical, and drive shaft tube 36, drive shaft are cased with drive shaft 37
Drive gear wheel 44, drive gear wheel 44 and the steering brake for turning to separation little gear 31 and brake system is fixedly mounted in 37 one end
Little gear 43 often engages, and the other end of drive shaft 37 is installed with rubber crawler driving wheel 38.
When turning to manually handle work, steering tiller 51 is moved to left or right, drives steering power separation pull bar 55 to make to turn
Rotated to separation rocking arm 27, it is that a rectangle takes a fillet to turn to separation rocking arm 27, rectangle it is short be sized at dental inlay
Clutch is not busy to close size, and the R of fillet is exactly jaw clutch size of separation, close to the position of rectangle short face, steering separation
Installation turns to separation shaft shelves and pulls 28, when steering separation rocking arm 27 rotates on axle 29, and driving separation shaft shelves pull 28, drive steering separation
Axle 29, steering separation Bo Fork 33 separate steering separation little gear 31 and steering separation deceleration gear wheel 35, cut-out power, turn to
After separating little gear 31 and turning to the separation of separation deceleration gear wheel 35, adjustment bracket arm levelling seat 59 makes brake work, completes
Turn to.When remote operation turns to, instruction is sent by remote control 57, receiver 56 is connected to after instruction by the drive magnetic valve of wire 63
58, unidirectional small oil tank 62 is worked, jack up and turn to separation rocking arm 27, separating pull bar 55 by steering power drives bracket arm
60, make brake work, complete to turn to, during parking, two unidirectional small oil tanks 62 are worked simultaneously, and completion is stopped.
Embodiment 3
On the basis of embodiment 2, as Figure 1-3, described power output shaft 8 is arranged on the top back position of gearbox body 45
Put, 10 distribution triangular in shape of power output shaft 8, main shaft 14 and power output jackshaft, the one end of power output shaft 8 is movably installed with
Power output gear 7, the other end are connected with power output sprocket 9;It is fixedly mounted on power output jackshaft 10 dynamic
Export idler gear 11;Described main shaft 14 also with 3 distribution triangular in shape of two axles 18 and clutch shaft, is consolidated in the side of main shaft 14
Dingan County's dress main shaft duplicate gear 15, the power input pinion 2 on the gear wheel and clutch shaft 3 of main shaft duplicate gear 15 are often nibbled
Close, the little gear of main shaft duplicate gear 15 often engages with the little gear of power output idler gear 11;The activity of the opposite side of main shaft 14
I-III shelves gear 13 is installed, II-reverse gear 17 is installed in activity in the position side of two axles, 18 corresponding main shaft duplicate gear 15, separately
Two axle duplicate gears 19 are fixedly mounted in side, and the reduction gearing 21 in the little gear and high slow-speed shaft 22 of two axle duplicate gears 19 is normal
Engagement.
Described Fork axles 5 of dialling are 4, respectively the first group of Fork axles 5-1, the 2nd group of Fork axles 5-2, the 3rd group of Fork axles 5-3 and
Si Bo Fork axle 5-4, Guan County is mounted on gearbox order respectively according to this from left to right for they;As shown in figure 1, the first is dialled Fork axles
Upper Restricted Activities installation power output dials Fork 4, the 2nd dial Restricted Activities on Fork axles install I-III grade dial Fork 12, the 3rd dial
Restricted Activities installation II-reverse gear Bo Fork 16 on Fork axles, Restricted Activities installation height Su Bo Fork 20 on the 4th Ge Bo Fork axles.
Dialled at the first and power output group Fork 4 is movably installed with Fork axles, power output dials Fork 4 and stirs power output gear
7, power output gear 7 is in centre position power and not exported, and pushes location right power output gear 7 and main shaft duplicate gear
15 little gears engage, and rotate forward power output, push left position power output gear 7 and the gear wheel of power output idler gear 11
Engagement, the Reverse Power of power output gear 7 output, drives power output sprocket 9, is rotatablely connected with chain and agricultural machinery and implement, will be dynamic
Power exports.
Described clutch shaft 3 is movably arranged on the top of gearbox body 45, and the one end of clutch shaft 3 is set with clutch 1, separately
One end is provided with hydraulic oil pump 6, and hydraulic oil pump 6 is fixed on gearbox body, and it is small that power input is fixedly mounted in the middle part of clutch shaft 3
Gear 2, clutch 1 are connected by V-belt and diesel engine belt pulley, clutch 1 and power input pinion 2 and hydraulic pressure
Oil pump 6 is connected, and the output oil port of hydraulic oil pump 6 is connected by oil pipe with magnetic valve 58, the input oil port of hydraulic oil pump 6 and hydraulic pressure
Fuel tank connects, and the gear wheel of main shaft duplicate gear 15 in power input pinion 2 and main shaft 14 often engages.When hanging reverse gear, II-
Under the Bo of Daoing Dang Fork 16 stirring, the gear wheel and power input pinion 2 of II-reverse gear 17 are meshed.
It is installed with that gear is spacing to pull 47 on described gear shift cover 50, secondary dial also is movably installed with gear shift cover 50
Fork axles 49, Fu Bo Fork axles 49 are located at that gear is spacing to pull 47 lower sections, and one is installed with Fu Bo Fork axles 49 and hangs shelves handle 46
It is located at two Fu Bo Fork 48, two Fu Bo Fork 48 in gear shift cover 50, hangs shelves handle 46 outside gear shift cover 50.Before
After moving afterwards, a pair dials Fork and stirs I-III grade group of Fork 12, and another is stirred, and the II-gear that falls dials Fork 16, high low speed dials Fork 20.
As shown in figure 4, described gearbox is high 8 gears of low speed, high 8 gears of low speed include 6 drive shifts and 2
Individual reverse gear, the fast ratio of 6 drive shifts are:I grade 1: 28.5 at a high speed, II grade 1: 43.69 at a high speed, III grade 1: 72.1 at a high speed, low speed I
Shelves 1: 7.496, II grade 1: 11.495 of low speed, III grade 1: 18.97 of low speed;The fast ratio of 2 reverse gears is:The fast ratio of high speed reverse is 1:
41, the II-fast ratio that reverses gear is 1: 10.79;The power output speed of gearbox is 1: 2.79 than rotating forward;Reversion is 1: 2.29.
Fork 12 is dialled as shown in figure 5, dialling Restricted Activities on Fork axles at the 2nd and installing I-III grade, group Fork head, which cuts open, to be inserted into
In the Bo Fork grooves of I-III shelves gear 13, the spring 5-6 of installation holds out against small ball 5-5, Shi Bo Fork active receivings among , Bo Fork during neutral gear
Limit, in neutral position, hang shelves handle 46 when hanging I-III grade and drive Fu Bo Fork axles 49 and two Fu Bo Fork 48, shelves are moved in
Position is spacing to pull 47 I-III file locations, moves hang the drive Fu Bo of shelves handle 46 Fork 48 to the left, stir I-III Dang Bo Fork 12, be I-III grade
The little gear of the gear wheel of gear 13 and two axle duplicate gears 19 is engaged, and hangs into 3 grades, otherwise I-III shelves gear 13 is moved to the left,
The gear wheel of the little gear of I-III shelves gear 13 and two axle duplicate gears 19 engages, and hangs into I grade.
The , Bo Fork of Restricted Activities installation II-reverse gear Bo Fork 16 head, which cuts open, on 3rd Ge Bo Fork axles is inserted into II-reverse gear 17
In Bo Fork grooves, the spring 5-6 of installation holds out against small ball 5-5, Shi Bo Fork limitation of activity among , Bo Fork during neutral gear, in neutral gear
Position, hang shelves handle 46 when hanging shelves and drive Fu Bo Fork axles 49 and two Fu Bo Fork 48, move backward to gear it is spacing pull 47 II-fall
Gear is put, and is moved to the left and is hung shelves handle 46 and drive Fu Bo Fork 48, stirs II-reverse gear Dang Bo Fork 16, drive II-reverse gear 17 to
Move right, the little gear of II-reverse gear 17 and the little gear engagement of main shaft duplicate gear 15, hang into II grade, otherwise II-reverse gear
Gear 17 is moved to the left, and the gear wheel and power input pinion 2 of II-reverse gear 17 engage, and hang into reverse gear.
Described high slow-speed shaft 22 and small reduction gear shaft 26, towards right position in the middle part of gearbox, in high slow-speed shaft
22 intermediate active installation height speed free gears 23, the , Bo Fork of Restricted Activities installation height Su Bo Fork 20 on the 4th Ge Bo Fork axles
Head cut open and be inserted into the dialling in Fork grooves of high low speed free gear 23, reduction gearing 21, reduction gearing is fixedly mounted in the position kept to the side
21 and two axle duplicate gear 19 often engage, small reduction gearing 25, small deceleration is fixedly mounted in the small centre position of reduction gear shaft 26
Gear 25 and turn to separation deceleration gear wheel 35 and often engage, position of keeping to the side is fixedly mounted high low speed fixed gear 24, during work, moves
Power is inputted rotating speed and the rotating of various gears by reduction gearing 21, moves hang the drive Fu Bo of shelves handle 46 Fork 48 to the right, stir
High low speed dials Fork 20, is that the little gear of high low speed free gear 23 and the gear wheel engagement of high low speed fixed gear 24, power subtract
After speed steering separation deceleration gear wheel 35 is passed to through small reduction gearing 25.Otherwise pair is put on raising speed, the top that high low speed dials Fork 20
The groove for dialling Fork dials that Fork is wide than in general, and secondary after high low speed exiting for Fork 48 is dialled to facilitate to hang up properly.
The part and the well-known components and common structure of the structure category industry or conventional hand that the present embodiment does not describe in detail
Section, is not described one by one here.
Claims (10)
1. a kind of small-sized caterpillar belt drags machine gearbox, it comprises at least gearbox body(45), gear shift cover(50), brake system, hand
Dynamic steerable system, clutch(1), power input pinion(2), clutch shaft it is (3), Bo Fork axles (5), power output shaft (8), dynamic
Power output jackshaft (10), I-III Dang Bo Fork(12), I-III shelves gear(13), main shaft (14), II-Dao Dang Bo Fork(16), II-fall
Keep off gear(17), two axles (18), two axle duplicate gears(19), high low speed dial Fork (20), reduction gearing(21), high slow-speed shaft
(22), high low speed free gear(23), high low speed fixed gear(24), small reduction gearing(25), small reduction gear shaft (26), turn
To separation shaft(29), turn to separation little gear(31), turn to separation block (32), steering spindle (34), turn to separation deceleration gear wheel
(35), drive shaft (37) and drive gear wheel(44);It is characterized in that:The gearbox also include remote control (57), receiver (56),
Magnetic valve (58) and unidirectional small oil tank (62);Described unidirectional small oil tank (62) is two, two of described magnetic valve (58)
Check valve is connected by hydraulic oil pipe (61) with two unidirectional small oil tanks (62) of responsible left and right turn respectively;Receiver (56) is logical
Two check valves and a main valve for crossing wire (63) and magnetic valve (58) are connected, and receiver (56) is simultaneously supplied by dilatory electromechanical source
Electricity, receiver (56) are used to receive the various instructions that remote control (57) is sent and make two check valves of magnetic valve with being responsible for left and right
The two unidirectional small oil tank work turned to.
2. a kind of small-sized caterpillar belt according to claim 1 drags machine gearbox, it is characterized in that:Described manual steering system bag
Include steering tiller(51)With left and right identical manually handle assembly, described steering tiller (51) front portion is grasped manually with left and right respectively
Vertical assembly connection;Described manually handle assembly includes rod head(52), pull bar(53), pitman arm(54)And steering power
Separate pull bar(55);Order passes through bearing pin and rod head (52), pull bar (53), pitman arm (54) to steering tiller (51) successively
Pull bar (55) connection is separated with steering power, bracket arm levelling seat (59) is socketed with steering power separation pull bar (55).
3. a kind of small-sized caterpillar belt according to claim 2 drags machine gearbox, it is characterized in that:Among described steering spindle (34)
It is fixedly mounted and turns to separation deceleration gear wheel (35), turns to separation deceleration gear wheel (35) and small reduction gearing (25) often engages,
Separation little gear (31), described two steering separation are turned in the both sides difference activity installation for turning to separation deceleration gear wheel (35)
Little gear (31) turns to cut spring (30) extruding by two and is inserted respectively into steering separation deceleration gear wheel (35) both sides
In groove, a jaw clutch is formed, separation little gear (31) is turned to and drive gear wheel (44) often engages;Described steering
Separation shaft (29) and steering separation block (32) are two, and they are all symmetrically distributed in steering separation deceleration gear wheel (35) two
Side, turn to separation shaft (29) and be movably arranged in steering separation block (32), turn turning to be installed with the inside of separation shaft (29)
To separation Bo Fork (33), steering separation Bo Fork (33) head is inserted into steering separation little gear and (in 31) Bo Fork grooves, turned
Steering separation shaft shelves are installed with the outside of to separation shaft (29) to pull (28), turn to and steering point is movably installed with separation block (32)
From rocking arm (27);Turn to separation rocking arm (27) bottom to be fixedly mounted on unidirectional small oil tank (62), and drawing is separated with steering power
Bar (55) is flexibly connected.
4. a kind of small-sized caterpillar belt according to claim 1 drags machine gearbox, it is characterized in that:Described brake system includes a left side
Right two identical brake assemblies;Brake assembly includes:Turn to brake axle (42), turn to brake little gear (43), bracket arm
Align seat (59), bracket arm(60)With steering brake axle bed (64), turn to brake axle (42) and be movably arranged on steering brake axle
In seat (64), turn to brake axle (42) one end and steering brake little gear (43) is fixedly mounted, the other end is installed with brake rim
(66) brake shell (65), is installed with brake axle bed (64) is turned to, is movably installed with and turns on brake shell (65)
To brake rocker axle (40), turn to and brake shoe (41) is movably installed with the inside of brake rocker axle (40), turn to brake rocker axle
(40) outside, which is installed with, turns to brake rocker (39), turns to brake rocker (39) and passes through bracket arm (60) and bracket arm
Seat (59) is aligned to be flexibly connected, bracket arm levelling seat (59) adjust bracket arm (60) it is elastic after fixed with sieve bolt.
5. a kind of small-sized caterpillar belt according to claim 4 drags machine gearbox, it is characterized in that:Described drive shaft (37) is two
Individual, left and right two is symmetrical, and drive shaft is cased with drive shaft tube on (37)(36), it is big that driving is fixedly mounted in drive shaft (37) one end
Gear (44), the steering brake little gear (43) of drive gear wheel (44) and steering separation little gear (31) and brake system are often nibbled
Close, the other end of drive shaft (37) is installed with rubber crawler driving wheel (38).
6. a kind of small-sized caterpillar belt according to claim 1 drags machine gearbox, it is characterized in that:Described power output shaft (8)
Installed in gearbox body(45)Top back position, power output shaft (8), main shaft (14) and power output jackshaft (10) are in three
Angular distribution, power output shaft (8) one end are movably installed with power output gear (7), and the other end is connected with power output
Sprocket wheel (9);Power output idler gear (11) is installed with power output jackshaft (10);Described main shaft (14) is also
With two axles (18) and clutch shaft (3) distribution triangular in shape, main shaft duplicate gear (15) is fixedly mounted in main shaft (14) side, it is main
Power input pinion (2) on the gear wheel and clutch shaft (3) of axle duplicate gear (15) often engages, main shaft duplicate gear
(15) little gear often engages with the little gear of power output idler gear (11);I-III grade of main shaft (14) opposite side activity installation
Gear (13), it is another in position side activity II-reverse gear of installation (17) of the corresponding main shaft duplicate gear (15) of two axles (18)
Two axle duplicate gears (19) are fixedly mounted in side, the reduction gearing in the little gear and high slow-speed shaft (22) of two axle duplicate gears (19)
(21) often engagement.
7. a kind of small-sized caterpillar belt according to claim 6 drags machine gearbox, it is characterized in that:The Bo Fork axles (5) are 4
It is individual, respectively the first group of Fork axle (5-1), the 2nd group of Fork axle (5-2), the 3rd group of Fork axle (5-3) and the 4th group of Fork axle (5-4), it
From left to right according to this order respectively Guan County on the gearbox;Restricted Activities installation power is defeated on first group of Fork axle (5-1)
Chu Bo Fork(4), dial Restricted Activities on Fork axles (5-2) for the 2nd and I-III grade group of Fork be installed(12), on the 3rd Ge Bo Fork axles (5-3)
Restricted Activities installation II-reverse gear Bo Fork(16), Restricted Activities installation height Su Bo Fork on the 4th Ge Bo Fork axles (5-4)(20);
Fork axles are dialled at the first(5)On be movably installed with power output Bo Fork(4), power output Bo Fork(4)Stir power output
Gear(7), power output gear(7)It is in centre position power not export, pushes location right power output gear(7)And master
Axle duplicate gear(15)Little gear engages, and rotates forward power output, pushes left position power output gear(7)In power output
Between gear(11)Gear wheel engages, power output gear(7)Reverse Power exports, and drives power output sprocket(9), with chain and
Agricultural machinery and implement are rotatablely connected, and are outputed power.
8. a kind of small-sized caterpillar belt according to claim 1 drags machine gearbox, it is characterized in that:Described clutch shaft (3) is living
Dynamic to be set with clutch (1) installed in the top of gearbox body (45), clutch shaft (3) one end, the other end is provided with hydraulic oil pump
(6), hydraulic oil pump (6) is fixed on gearbox body, and power input pinion (2) is fixedly mounted in the middle part of clutch shaft (3), from
Clutch (1) is connected by V-belt and diesel engine belt pulley, clutch (1) and power input pinion (2) and hydraulic oil
Pump (6) is connected, and hydraulic oil pump (6) output oil port is connected by oil pipe with magnetic valve (58), hydraulic oil pump (6) input oil port
Connected with hydraulic oil container, main shaft duplicate gear (15) gear wheel in power input pinion (2) and main shaft (14) often engages.
9. a kind of small-sized caterpillar belt according to claim 1 drags machine gearbox, it is characterized in that:On described gear shift cover (50)
It is installed with that gear is spacing to be pulled (47), Fu Bo Fork axles (49), Fu Bo Fork axles (49) is also movably installed with gear shift cover (50)
Pull below (47) positioned at gear is spacing, one is installed with Fu Bo Fork axles (49) and hangs shelves handle (46) and two Fu Bo Fork
(48), two Fu Bo Fork (48) are located in gear shift cover (50), hang shelves handle (46) and are located at gear shift cover (50) outside.
10. a kind of small-sized caterpillar belt according to claim 1 drags machine gearbox, it is characterized in that:Described gearbox is height
Fast 8 gears, high 8 gears of low speed include 6 drive shifts and 2 reverse gears, and the fast ratio of 6 drive shifts is:I grade 1 at a high speed:
28.5, II grade 1: 43.69 at a high speed, III grade 1: 72.1 at a high speed, I grade 1: 7.496 of low speed, II grade 1: 11.495 of low speed, III grade 1 of low speed
∶18.97;The fast ratio of 2 reverse gears is:Fast ratio of high speed reverse is 1: 41, and the II-speed ratio that reverses gear is 1: 10.79;Gearbox moves
Power output speed is 1: 2.79 than rotating forward;Reversion is 1: 2.29.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108533696A (en) * | 2018-06-28 | 2018-09-14 | 陕西润牧农业科技有限公司 | A kind of multi-cylinder kitten gearbox |
CN108533696B (en) * | 2018-06-28 | 2024-06-21 | 陕西润牧农业科技有限公司 | Multi-cylinder small crawler tractor gearbox |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2291331Y (en) * | 1996-11-25 | 1998-09-16 | 山东省农业机械科学研究所 | Gear box of walking tractor |
US6202781B1 (en) * | 1997-11-28 | 2001-03-20 | Kanzaki Kokyukoki Mfg. Co., Ltd. | Power steering device for vehicles |
CN201849528U (en) * | 2010-11-16 | 2011-06-01 | 吴克俊 | Front hinged or articulated steering tractor |
CN102295028A (en) * | 2010-06-26 | 2011-12-28 | 西北农林科技大学 | Mountain remote control tractor |
CN103742642A (en) * | 2014-01-10 | 2014-04-23 | 富平县悦达机械制造有限公司 | Remote control rubber caterpillar tractor speed changing box |
JP2017175980A (en) * | 2016-03-29 | 2017-10-05 | 三菱マヒンドラ農機株式会社 | Remote controller |
-
2017
- 2017-11-03 CN CN201711067869.8A patent/CN107725694B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2291331Y (en) * | 1996-11-25 | 1998-09-16 | 山东省农业机械科学研究所 | Gear box of walking tractor |
US6202781B1 (en) * | 1997-11-28 | 2001-03-20 | Kanzaki Kokyukoki Mfg. Co., Ltd. | Power steering device for vehicles |
CN102295028A (en) * | 2010-06-26 | 2011-12-28 | 西北农林科技大学 | Mountain remote control tractor |
CN201849528U (en) * | 2010-11-16 | 2011-06-01 | 吴克俊 | Front hinged or articulated steering tractor |
CN103742642A (en) * | 2014-01-10 | 2014-04-23 | 富平县悦达机械制造有限公司 | Remote control rubber caterpillar tractor speed changing box |
JP2017175980A (en) * | 2016-03-29 | 2017-10-05 | 三菱マヒンドラ農機株式会社 | Remote controller |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108533696A (en) * | 2018-06-28 | 2018-09-14 | 陕西润牧农业科技有限公司 | A kind of multi-cylinder kitten gearbox |
CN108533696B (en) * | 2018-06-28 | 2024-06-21 | 陕西润牧农业科技有限公司 | Multi-cylinder small crawler tractor gearbox |
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