CN104343939A - Transmission for plant protection machinery - Google Patents
Transmission for plant protection machinery Download PDFInfo
- Publication number
- CN104343939A CN104343939A CN201410551527.3A CN201410551527A CN104343939A CN 104343939 A CN104343939 A CN 104343939A CN 201410551527 A CN201410551527 A CN 201410551527A CN 104343939 A CN104343939 A CN 104343939A
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- Prior art keywords
- gear
- shaft
- clutch
- axle
- shifting
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000012856 packing Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/093—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
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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
- 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
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H2003/0818—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts comprising means for power-shifting
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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
- F16H2057/02069—Gearboxes for particular applications for industrial applications
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a transmission for plant protection machinery. The transmission comprises a transmission casing provided with an upper cover at the top as well as a shaft I, a shaft II, a shaft III, a reverse gear idler shaft and an output shaft which are mounted in the transmission casing, wherein the shaft I is a gear shaft, an input flange is connected with the outer end of the shaft I and connected with an engine clutch assembly through a transmission shaft, the other end of the shaft I is connected with the shaft III through a needle roller bearing, the shaft II is mounted right below the shaft III, the reverse gear idler shaft is mounted right above the shaft III, the output shaft is arranged under the shaft III, and a first reverse gear shift shaft, a second-gear and third-gear fork shaft and a gear shift mechanism assembly are arranged above the shaft III; and a high-low gear fork shaft is arranged left above the output shaft. Compared with the prior art, the transmission for the plant protection machinery has the characteristics of a few gears, high operation efficiency, small gear shifting force and the like, the processing difficulty is effectively reduced, the transmission efficiency is improved, further, the gear distribution is reasonable, and gear separation and disorder are effectively avoided.
Description
Technical field
The present invention relates to motor vehicle gearbox technical field, specifically a kind of equipment for plant protection speed changer.
Background technique
Existing Domestic market equipment for plant protection is mainly external import, and on it, institute's coupling gearbox exists following defect: 1) gear is many, and external coupling gearbox generally has 9-12 gear, operated by personnel is got up very inconvenient; 2) external coupling gearbox shifting force rate is heavier, and the time has been grown staff and can feel under a strain; 3) external coupling gearbox mainly adopts bevel gear to engage, and make this gearbox processing difficulties, cost of production is high, and gear-driven efficiency is low; 4) the gear arrangement of external coupling gearbox does not meet the work habit of domestic staff, makes often to there will be misoperation in operated by personnel's process, occurs off-gear or disorderly keeps off phenomenon; 5) external coupling gearbox speed ratio span is less, can not meet the usage requirement under various operating mode; 6) external coupling speed change box clutch adopts multidisc clutch, and transmitting torque is less, or Separating force is heavier, and is all arranged on an axle, and arrangement space is less.
Summary of the invention
Technical assignment of the present invention is to provide a kind of equipment for plant protection speed changer.
Technical assignment of the present invention realizes in the following manner, this equipment for plant protection speed changer comprises the case of transmission that top is provided with upper cover, and the axle be arranged in case of transmission, two axles, three axles, reverse gear idler shaft and output shaft, one axle is gear shaft, its outer end connects input flange, input flange is connected with engine clutch assembly by transmission shaft, the other end of one axle is connected with three axles by needle bearing, the lower right of three axles is provided with two axles, the idler shaft that reverses gear is equipped with in the upper right of three axles, it is output shaft immediately below three axles, a gear reverse declutch shift shaft is provided with above three axles, two or three gear fork shaft and gear shift mechanism assemblies, output shaft upper left side is provided with high to low gear fork shaft.
Two described axles are gear shaft, and it is provided with commonly engaged gear from left to right, three gear driving gears and two gear driving gears.
Three described axles are from left to right provided with three gear gears, second gear, first gear, reverse gear, high gear driving gear and low gear driving gear; Wherein two or three gear tooth hub sleeves are installed between three gear gears and second gear, are provided with one between first gear and reverse gear and reverse gear tooth hub sleeve; Reverse gear on idler shaft and the idle pulley that reverses gear is housed; Output shaft is that two ends export, and it is from left to right provided with high gear driven gear and low-grade driven gear, is provided with high to low gear tooth hub sleeve between high gear driven gear and low-grade driven gear.
Two or three described gear tooth hub sleeves, a negative cone reversing gear tooth hub sleeve and high to low gear tooth hub sleeve are 6
0, the wedge angle number of degrees are 99
030 '-100
030 '.
A described gear reverse declutch shift shaft is provided with a back fork, two or three gear fork shafts are provided with two or three gear shift forks and two or three gear gearshift shifting blocks, high to low gear fork shaft is provided with high to low gear shift fork, one end of high to low gear fork shaft is provided with high to low gear rocking arm, high to low gear rocking arm is provided with high to low gear handle.
Described engine clutch assembly comprises: clutch housing, clutch shaft, clutch pulling axis and clutch output flange, clutch shaft is arranged in clutch housing by clutch block set, the output terminal of clutch shaft is connected with transmission shaft by clutch output flange, clutch shaft one end in clutch housing is from left to right provided with tie-plate, clutch driven plate and clutch driving plate, is provided with release bearing and declutch shaft bearing outside clutch block set; Clutch pulling axis is provided with disengaging yoke.
Described gear shift mechanism assembly comprises gear arm, gear shift mechanism seat, shifting shaft, block selecting axle and block selecting arm, the rear end of shifting shaft is provided with gear arm, the front half part of shifting shaft, in the gearshift axis hole of gear shift mechanism seat, the front half part of shifting shaft is provided with gear shifting pulling head; The front half part side of shifting shaft, vertical shifting shaft direction is provided with block selecting axle, and the top of block selecting axle is provided with block selecting arm, and the bottom of block selecting axle is provided with block selecting shifting block, and block selecting shifting block coordinates with shifting shaft.
The front end of described gear shift mechanism seat gearshift axis hole is provided with patch, and rear end is provided with oil sealing; Shifting shaft on front side of gear shifting pulling head is provided with return spring, the shifting shaft on rear side of gear shifting pulling head is provided with pad one and stop collar; The bottom of gear shift mechanism seat is provided with gearshift locating stud and coordinates with shifting shaft.
O type circle is installed between the top of described block selecting axle and gear shift mechanism seat, between the bottom of block selecting axle and gear shift mechanism seat, packing ring, cotter pin and slotted nut is installed, pad two is installed between block selecting arm and gear shift mechanism seat.
A described axle, two axles, three axles, the gear reversed gear on idler shaft and output shaft are stud wheel, and the gear transmission route of each gear is as follows:
A high gear: one axle-commonly engaged gear-two axles-first gear-three axles-high gear driving gear-high gear passive tooth
Wheel-output shaft;
High two gears: one axle-commonly engaged gear-two axle-two gear driving gear-second gear-three axles-high gear driving tooth
Wheel-high gear driven gear-output shaft;
High three gears: one axle-commonly engaged gear-two axle-three gear driving gear-three keeps off gear-three axles-high gear driving tooth
Wheel-high gear driven gear-output shaft;
Height reverses gear: one axle-commonly engaged gear-two axle-idle pulley that reverses gear-reverse gear-three axles-high gear driving gear-
High gear driven gear-output shaft;
A low gear: one axle-commonly engaged gear-two axles-first gear-three axles-low gear driving gear-low gear driven gear-output shaft;
Low two gears: one axle-commonly engaged gear-two axle-two gear driving gear-second gear-three axles-low gear driving tooth
Wheel-low gear driven gear-output shaft;
Low three gears: one axle-commonly engaged gear-two axle-three gear driving gear-three keeps off gear-three axles-low gear driving tooth
Wheel-low gear driven gear-output shaft;
Lowly to reverse gear: one axle-commonly engaged gear-two axle-idle pulley that reverses gear-reverse gear-three axles-low gear driving gear-low gear driven gear-output shaft.
Compared to the prior art a kind of equipment for plant protection speed changer of the present invention, has feature:
1) gear is few, arranges six forward gears and two retrogressing gears, makes gearshift easier, effectively improve operating efficiency;
2) gear shifting force is little, and abroad mate gearbox and compares, gear shifting force reduction 30%;
3) this gearbox all adopts stud wheel, effectively reduces processing cost, reduces difficulty of processing, improves transmission efficiency;
4) gear arrangement rationally, and main gearshift adopts cable type gearshift mode, separately increases high to low gear device, FCL is arranged easy, gear is arranged more clear and rational, more meets domestic operated by personnel custom, convenient operation personnel shift gears, and effectively prevent off-gear and disorderly keep off phenomenon.
5) gear speed ratio span is large, can adapt to transport, walking and various different operating environment.
6) wedge angle of each tooth hub sleeve is 99
030 '-100
030 ', and adopt the multiple tooth several mode of low module, impact during gearshift can be reduced; Cone born by each tooth hub sleeve is 6
0, effectively play the effect of the anti-off-gear of locking.
7) clutch assembly adopts pressure plate type clutch, and transmitting torque is large, and Separating force is relatively little, and clutch part has clutch housing to protect, and not easily cause the inefficacy of clutch when working environment very severe, clutch is connected by transmission shaft with speed changer.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of structural representation of equipment for plant protection speed changer.
Accompanying drawing 2 is a kind of gearshift part-structure schematic diagram of equipment for plant protection speed changer.
Accompanying drawing 3 be in accompanying drawing 2 A to structural representation.
Accompanying drawing 4 is a kind of high to low gear gearshift part-structure schematic diagram of equipment for plant protection speed changer.
Accompanying drawing 5 is a kind of structural representation of gear shift mechanism assembly of equipment for plant protection speed changer.
Accompanying drawing 6 be in accompanying drawing 5 B to structural representation.
Accompanying drawing 7 is the structural representation of engine clutch assembly.
Accompanying drawing 8 is the partial structurtes schematic diagram of each tooth hub sleeve.
In figure: 1, input flange, 2, one axle, 3, commonly engaged gear, 4, three gear driving gears, 5, two gear driving gears, 6, two axles, 7, reverse gear idler shaft, and 8, reverse gear idle pulley, and 9, three gear gears, 10, two or three gear tooth hub sleeves, 11, second gear, 12, first gear, 13, one reverses gear tooth hub sleeve, and 14, reverse gear, 15, high gear driving gear, 16, low gear driving gear, 17, high gear driven gear, 18, low gear driven gear, 19, output shaft, 20, three axles, 21, high to low gear tooth hub sleeve, 22, two or three gear shift forks, 23, one back fork, 24, case of transmission, 25, gear shift mechanism assembly, 26, upper cover, 27, two or three gear fork shafts, 28, two or three gear gearshift shifting blocks, 29, one gear reverse declutch shift shaft, 30, high to low gear fork shaft, 31, high to low gear shift fork, 32, high to low gear handle, 33, high to low gear rocking arm, 34, tie-plate, 35, clutch driven plate, 36, clutch driving plate, 37, clutch block set, 38, clutch housing, 39, clutch shaft, 40, clutch output flange, 41, clutch pulling axis, 42, disengaging yoke, 43, release bearing, 44, declutch shaft bearing, 45, transmission shaft,
25-1, gear arm, 25-2, oil sealing, 25-3, gear shift mechanism seat, 25-4, stop collar, 25-5, pad one, 25-6, shifting shaft, 25-7, gear shifting pulling head, 25-8, gearshift locating stud, 25-9, patch, 25-10, block selecting shifting block, 25-11, O type circle, 25-12, packing ring, 25-13, cotter pin, 25-14, slotted nut, 25-15, block selecting axle, 25-16, pad two, 25-17, block selecting arm, 25-18, return spring, 25-19, gearshift axis hole.
Embodiment
Embodiment 1:
This equipment for plant protection speed changer comprises the case of transmission 24 that top is provided with upper cover 26, and the axle 2 be arranged in case of transmission 24, two axles 6, three axles 20, reverse gear idler shaft 7 and output shaft 19, one axle 2 is gear shaft, its outer end connects input flange 1, input flange 1 is connected with engine clutch assembly by transmission shaft 45, engine clutch assembly comprises: clutch housing 38, clutch shaft 39, clutch pulling axis 41 and clutch output flange 40, clutch shaft 39 is arranged in clutch housing 38 body by clutch block set 37, the output terminal of clutch shaft 39 is connected with transmission shaft 45 by clutch output flange 40, clutch shaft 39 one end in clutch housing 38 body is from left to right provided with tie-plate 34, clutch driven plate 35 and clutch driving plate 36, release bearing 43 and declutch shaft bearing 44 are installed outside clutch block set 37, clutch pulling axis 41 is provided with disengaging yoke 42, the other end of one axle 2 is connected with three axles 20 by needle bearing, the lower right of three axles 20 is provided with two axles 6, the idler shaft 7 that reverses gear is equipped with in the upper right of three axles 20, be output shaft 19 immediately below three axles 20, be provided with a gear reverse declutch shift shaft 29,23 above three axles 20 and keep off fork shaft 27 and gear shift mechanism assembly 25, output shaft 19 upper left side is provided with high to low gear fork shaft 30.
Two axles 6 are gear shaft, and it is provided with commonly engaged gear 3 from left to right, three gear driving gear 4 and two gear driving gears 5; Three axles 20 are from left to right provided with three gear gears 9, second gear 11, first gear 12, reverse gear 14, high gear driving gear 15 and low gear driving gear 16; Wherein two or three gear tooth hub sleeves 10 are installed between three gear gears 9 and second gear 11, are provided with one between first gear 12 and reverse gear 14 and reverse gear tooth hub sleeve 13; Reverse gear on idler shaft 7 and the idle pulley 8 that reverses gear is housed; Output shaft 19 exports for two ends, it is from left to right provided with high gear driven gear 17 and low-grade driven gear 18, is provided with high to low gear tooth hub sleeve 21 between high gear driven gear 17 and low-grade driven gear 18; One gear reverse declutch shift shaft 29 is provided with a back fork 23, two or three gear fork shafts 27 are provided with two or three gear shift forks 22 and 23 and keep off gearshift shifting block 28, high to low gear fork shaft 30 is provided with high to low gear shift fork 31, one end of high to low gear fork shaft 30 is provided with high to low gear rocking arm 33, high to low gear rocking arm 33 is provided with high to low gear handle 32.
Above-mentioned two or three gear tooth hub sleeves, one reverse gear tooth hub sleeve, high to low gear tooth hub sleeve negative cone be 6
0, the wedge angle number of degrees are 99
030 '-100
030 '.
Described axle 2, two axle 6, three axle 20, the gear reversed gear on idler shaft 7 and output shaft 19 are stud wheel, and the gear transmission route of each gear is as follows:
A high gear: an axle 2-commonly engaged gear 3-bis-axle 6-first gear 12-tri-axle 20-high gear driving gear
15-high gear driven gear 17-output shaft 19;
High two gears: an axle 2-commonly engaged gear 3-bis-axle 6-bis-keeps off driving gear 5-second gear 11-tri-axle 20-
High gear driving gear 15-high gear driven gear 17-output shaft 19;
High three gears: an axle 2-commonly engaged gear 3-bis-axle 6-tri-keeps off driving gear 4-tri-and keeps off gear 9-tri-axle 20-
High gear driving gear 15-high gear driven gear 17-output shaft 19;
Height reverses gear: an axle 2-commonly engaged gear 3-bis-axle 6-reverses gear, and 20-is high for idle pulley 8-reverse gear 14-tri-axle
Gear driving gear 15-high gear driven gear 17-output shaft 19;
A low gear: an axle 2-commonly engaged gear 3-bis-axle 6-first gear 12-tri-axle 20-low gear driving gear 16-low gear driven gear 18-output shaft 19;
Low two gears: an axle 2-commonly engaged gear 3-bis-axle 6-bis-keeps off driving gear 5-second gear 11-tri-axle 20-
Low gear driving gear 16-low gear driven gear 18-output shaft 19;
Low three gears: an axle 2-commonly engaged gear 3-bis-axle 6-tri-keeps off driving gear 4-tri-and keeps off gear 9-tri-axle 20-
Low gear driving gear 16-low gear driven gear 18-output shaft 19;
Lowly to reverse gear: an axle 2-commonly engaged gear 3-bis-axle 6-reverses gear idle pulley 8-reverse gear 14-tri-axle 20-low gear driving gear 16-low gear driven gear 18-output shaft 19.
Embodiment 2:
This equipment for plant protection speed changer comprises the case of transmission 24 that top is provided with upper cover 26, and the axle 2 be arranged in case of transmission 24, two axles 6, three axles 20, reverse gear idler shaft 7 and output shaft 19, one axle 2 is gear shaft, its outer end connects input flange 1, input flange 1 is connected with engine clutch assembly by transmission shaft 45, engine clutch assembly comprises: clutch housing 38, clutch shaft 39, clutch pulling axis 41 and clutch output flange 40, clutch shaft 39 is arranged in clutch housing 38 body by clutch block set 37, the output terminal of clutch shaft 39 is connected with transmission shaft 45 by clutch output flange 40, clutch shaft 39 one end in clutch housing 38 body is from left to right provided with tie-plate 34, clutch driven plate 35 and clutch driving plate 36, release bearing 43 and declutch shaft bearing 44 are installed outside clutch block set 37, clutch pulling axis 41 is provided with disengaging yoke 42, the other end of one axle 2 is connected with three axles 20 by needle bearing, the lower right of three axles 20 is provided with two axles 6, the idler shaft 7 that reverses gear is equipped with in the upper right of three axles 20, be output shaft 19 immediately below three axles 20, be provided with a gear reverse declutch shift shaft 29,23 above three axles 20 and keep off fork shaft 27 and gear shift mechanism assembly 25, output shaft 19 upper left side is provided with high to low gear fork shaft 30.
Two axles 6 are gear shaft, and it is provided with commonly engaged gear 3 from left to right, three gear driving gear 4 and two gear driving gears 5; Three axles 20 are from left to right provided with three gear gears 9, second gear 11, first gear 12, reverse gear 14, high gear driving gear 15 and low gear driving gear 16; Wherein two or three gear tooth hub sleeves 10 are installed between three gear gears 9 and second gear 11, are provided with one between first gear 12 and reverse gear 14 and reverse gear tooth hub sleeve 13; Reverse gear on idler shaft 7 and the idle pulley 8 that reverses gear is housed; Output shaft 19 exports for two ends, it is from left to right provided with high gear driven gear 17 and low-grade driven gear 18, is provided with high to low gear tooth hub sleeve 21 between high gear driven gear 17 and low-grade driven gear 18; One gear reverse declutch shift shaft 29 is provided with a back fork 23, two or three gear fork shafts 27 are provided with two or three gear shift forks 22 and 23 and keep off gearshift shifting block 28, high to low gear fork shaft 30 is provided with high to low gear shift fork 31, one end of high to low gear fork shaft 30 is provided with high to low gear rocking arm 33, high to low gear rocking arm 33 is provided with high to low gear handle 32.
Above-mentioned two or three gear tooth hub sleeves, one reverse gear tooth hub sleeve, high to low gear tooth hub sleeve negative cone be 6
0, the wedge angle number of degrees are 100
0.
Gear shift mechanism assembly 25 comprises gear arm 25-1, gear shift mechanism seat 25-3, shifting shaft 25-6, block selecting axle 25-15 and block selecting arm 25-17, the rear end of shifting shaft 25-6 is provided with gear arm 25-1, the front half part of shifting shaft 25-6, in the gearshift axis hole 25-19 of gear shift mechanism seat 25-3, the front half part of shifting shaft 25-6 is provided with gear shifting pulling head 25-7; The front half part side of shifting shaft 25-6, vertical shifting shaft 25-6 direction is provided with block selecting axle 25-15, the top of block selecting axle 25-15 is provided with block selecting arm 25-17, and the bottom of block selecting axle 25-15 is provided with block selecting shifting block 25-10 by slotted nut, and block selecting shifting block 25-10 coordinates with shifting shaft 25-6.The front end of gear shift mechanism seat 25-3 gearshift axis hole 25-19 is provided with patch 25-9, and rear end is provided with oil sealing 25-2; Shifting shaft 25-6 on front side of gear shifting pulling head 25-7 is provided with return spring 25-18, the shifting shaft 25-6 on rear side of gear shifting pulling head 25-7 is provided with pad one 25-5 and stop collar 25-4; The bottom of gear shift mechanism seat 25-3 is provided with gearshift locating stud 25-8 and coordinates with shifting shaft 25-6.O type circle 25-11 is installed between the top of block selecting axle 25-15 and gear shift mechanism seat 25-3, between the bottom of block selecting axle 25-15 and gear shift mechanism seat 25-3, packing ring 25-12, cotter pin 25-13 and slotted nut 25-14 are installed, pad two 25-16 is installed between block selecting arm block selecting arm and gear shift mechanism seat 25-3.
Described axle 2, two axle 6, three axle 20, the gear reversed gear on idler shaft 7 and output shaft 19 are stud wheel, and the gear transmission route of each gear is as follows:
A high gear: an axle 2-commonly engaged gear 3-bis-axle 6-first gear 12-tri-axle 20-high gear driving gear
15-high gear driven gear 17-output shaft 19;
High two gears: an axle 2-commonly engaged gear 3-bis-axle 6-bis-keeps off driving gear 5-second gear 11-tri-axle 20-
High gear driving gear 15-high gear driven gear 17-output shaft 19;
High three gears: an axle 2-commonly engaged gear 3-bis-axle 6-tri-keeps off driving gear 4-tri-and keeps off gear 9-tri-axle 20-
High gear driving gear 15-high gear driven gear 17-output shaft 19;
Height reverses gear: an axle 2-commonly engaged gear 3-bis-axle 6-reverses gear, and 20-is high for idle pulley 8-reverse gear 14-tri-axle
Gear driving gear 15-high gear driven gear 17-output shaft 19;
A low gear: an axle 2-commonly engaged gear 3-bis-axle 6-first gear 12-tri-axle 20-low gear driving gear 16-low gear driven gear 18-output shaft 19;
Low two gears: an axle 2-commonly engaged gear 3-bis-axle 6-bis-keeps off driving gear 5-second gear 11-tri-axle 20-
Low gear driving gear 16-low gear driven gear 18-output shaft 19;
Low three gears: an axle 2-commonly engaged gear 3-bis-axle 6-tri-keeps off driving gear 4-tri-and keeps off gear 9-tri-axle 20-
Low gear driving gear 16-low gear driven gear 18-output shaft 19;
Lowly to reverse gear: an axle 2-commonly engaged gear 3-bis-axle 6-reverses gear idle pulley 8-reverse gear 14-tri-axle 20-low gear driving gear 16-low gear driven gear 18-output shaft 19.
By embodiment above, described those skilled in the art can be easy to realize the present invention.But should be appreciated that the present invention is not limited to above-mentioned several embodiments.On the basis of disclosed mode of execution, described those skilled in the art can the different technical characteristics of combination in any, thus realizes different technological schemes.
Claims (9)
1. an equipment for plant protection speed changer, comprise the case of transmission that top is provided with upper cover, and the axle be arranged in case of transmission, two axles, three axles, reverse gear idler shaft and output shaft, it is characterized in that, a described axle is gear shaft, its outer end connects input flange, input flange is connected with engine clutch assembly by transmission shaft, the other end of one axle is connected with three axles by needle bearing, the lower right of three axles is provided with two axles, the idler shaft that reverses gear is equipped with in the upper right of three axles, it is output shaft immediately below three axles, a gear reverse declutch shift shaft is provided with above three axles, two or three gear fork shaft and gear shift mechanism assemblies, output shaft upper left side is provided with high to low gear fork shaft.
2. a kind of equipment for plant protection speed changer according to claim 1, is characterized in that, two described axles are gear shaft, and it is provided with commonly engaged gear from left to right, three gear driving gears and two gear driving gears.
3. a kind of equipment for plant protection speed changer according to claim 1, is characterized in that, three described axles is from left to right provided with three gear gears, second gear, first gear, reverse gear, high gear driving gear and low gear driving gear; Wherein two or three gear tooth hub sleeves are installed between three gear gears and second gear, are provided with one between first gear and reverse gear and reverse gear tooth hub sleeve; Reverse gear on idler shaft and the idle pulley that reverses gear is housed; Output shaft is that two ends export, and it is from left to right provided with high gear driven gear and low-grade driven gear, is provided with high to low gear tooth hub sleeve between high gear driven gear and low-grade driven gear.
4. a kind of equipment for plant protection speed changer according to claim 3, is characterized in that, two or three described gear tooth hub sleeves, a negative cone reversing gear tooth hub sleeve and high to low gear tooth hub sleeve are 6
0, the wedge angle number of degrees are 99
030 '-100
030 '.
5. a kind of equipment for plant protection speed changer according to claim 1; it is characterized in that; a described gear reverse declutch shift shaft is provided with a back fork; two or three gear fork shafts are provided with two or three gear shift forks and two or three gear gearshift shifting blocks; high to low gear fork shaft is provided with high to low gear shift fork; one end of high to low gear fork shaft is provided with high to low gear rocking arm, high to low gear rocking arm is provided with high to low gear handle.
6. a kind of equipment for plant protection speed changer according to claim 1, it is characterized in that, described engine clutch assembly comprises: clutch housing, clutch shaft, clutch pulling axis and clutch output flange, clutch shaft is arranged in clutch housing by clutch block set, the output terminal of clutch shaft is connected with transmission shaft by clutch output flange, clutch shaft one end in clutch housing is from left to right provided with tie-plate, clutch driven plate and clutch driving plate, is provided with release bearing and declutch shaft bearing outside clutch block set; Clutch pulling axis is provided with disengaging yoke.
7. a kind of equipment for plant protection speed changer according to claim 1, it is characterized in that, described gear shift mechanism assembly comprises gear arm, gear shift mechanism seat, shifting shaft, block selecting axle and block selecting arm, the rear end of shifting shaft is provided with gear arm, the front half part of shifting shaft, in the gearshift axis hole of gear shift mechanism seat, the front half part of shifting shaft is provided with gear shifting pulling head; The front half part side of shifting shaft, vertical shifting shaft direction is provided with block selecting axle, and the top of block selecting axle is provided with block selecting arm, and the bottom of block selecting axle is provided with block selecting shifting block, and block selecting shifting block coordinates with shifting shaft.
8. a kind of equipment for plant protection speed changer according to claim 7, is characterized in that, the front end of described gear shift mechanism seat gearshift axis hole is provided with patch, and rear end is provided with oil sealing; Shifting shaft on front side of gear shifting pulling head is provided with return spring, the shifting shaft on rear side of gear shifting pulling head is provided with pad one and stop collar; The bottom of gear shift mechanism seat is provided with gearshift locating stud and coordinates with shifting shaft.
9. a kind of equipment for plant protection speed changer according to claim 7; it is characterized in that; O type circle is installed between the top of described block selecting axle and gear shift mechanism seat; between the bottom of block selecting axle and gear shift mechanism seat, packing ring, cotter pin and slotted nut are installed, pad two is installed between block selecting arm and gear shift mechanism seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410551527.3A CN104343939B (en) | 2014-10-17 | 2014-10-17 | A kind of equipment for plant protection speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410551527.3A CN104343939B (en) | 2014-10-17 | 2014-10-17 | A kind of equipment for plant protection speed changer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104343939A true CN104343939A (en) | 2015-02-11 |
| CN104343939B CN104343939B (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410551527.3A Active CN104343939B (en) | 2014-10-17 | 2014-10-17 | A kind of equipment for plant protection speed changer |
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| Country | Link |
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| CN (1) | CN104343939B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889427A (en) * | 2016-04-21 | 2016-08-24 | 湖南农业大学 | Speed changer of plant protection machine |
| CN106895119A (en) * | 2017-03-24 | 2017-06-27 | 山东卫禾传动科技有限公司 | A kind of equipment for plant protection gear arrangement |
| CN111623089A (en) * | 2020-05-15 | 2020-09-04 | 中瑞德科(北京)工业设计有限公司 | Wet-type three-clutch three-gear transmission |
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|---|---|---|---|---|
| CN105889427A (en) * | 2016-04-21 | 2016-08-24 | 湖南农业大学 | Speed changer of plant protection machine |
| CN106895119A (en) * | 2017-03-24 | 2017-06-27 | 山东卫禾传动科技有限公司 | A kind of equipment for plant protection gear arrangement |
| CN111623089A (en) * | 2020-05-15 | 2020-09-04 | 中瑞德科(北京)工业设计有限公司 | Wet-type three-clutch three-gear transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104343939B (en) | 2017-03-08 |
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Effective date of registration: 20170215 Address after: 273300 Pingyi County, Shandong Province, the first North of Applicant after: SHANDONG WEIHE TRANSMISSION TECHNOLOGY CO.,LTD. Address before: Linyi City, Shandong province 273300 revenue Pingyi County First Avenue North Shandong men's world transmission limited company operation management department Applicant before: SHANDONG MENWO TRANSMISSION CO.,LTD. |
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Denomination of invention: A transmission for plant protection machinery Effective date of registration: 20211227 Granted publication date: 20170308 Pledgee: Shandong Pingyi Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG WEIHE TRANSMISSION TECHNOLOGY CO.,LTD. Registration number: Y2021980016309 |
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Date of cancellation: 20230110 Granted publication date: 20170308 Pledgee: Shandong Pingyi Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG WEIHE TRANSMISSION TECHNOLOGY CO.,LTD. Registration number: Y2021980016309 |
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Address after: 276000 North Road, 100 meters west of the intersection of Huangjin Road and Zhongzi Road, Pingyi Street, Pingyi County, Linyi City, Shandong Province Patentee after: Shandong Weihe Transmission Co.,Ltd. Address before: North Head of Caiyuan Avenue, Pingyi County Patentee before: SHANDONG WEIHE TRANSMISSION TECHNOLOGY CO.,LTD. |