CN103591238A - Tractor gearbox with side transmission case - Google Patents

Tractor gearbox with side transmission case Download PDF

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Publication number
CN103591238A
CN103591238A CN201310540540.4A CN201310540540A CN103591238A CN 103591238 A CN103591238 A CN 103591238A CN 201310540540 A CN201310540540 A CN 201310540540A CN 103591238 A CN103591238 A CN 103591238A
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CN
China
Prior art keywords
shaft
gear
main shaft
countershaft
transmission case
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.)
Granted
Application number
CN201310540540.4A
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Chinese (zh)
Other versions
CN103591238B (en
Inventor
张兴江
方卫山
师发辉
牛宪伟
王国忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TONGHAI HONGXING INDUSTRY TRADE Co Ltd
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TONGHAI HONGXING INDUSTRY TRADE Co Ltd
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Priority to CN201310540540.4A priority Critical patent/CN103591238B/en
Publication of CN103591238A publication Critical patent/CN103591238A/en
Application granted granted Critical
Publication of CN103591238B publication Critical patent/CN103591238B/en
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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
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • 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
    • 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
    • F16H2057/02013—Extension units for gearboxes, e.g. additional units attached to a main gear

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)
  • Structure Of Transmissions (AREA)

Abstract

The invention provides a tractor gearbox with a side transmission case. A main shaft, a middle shaft and an auxiliary shaft are installed in a box body of the gearbox and are spline shafts. A chain gear, a main shaft gear-shifting gear and a main shaft gear are installed on the main shaft. The middle shaft is provided with a middle shaft gear and a middle shaft gear-shifting gear. The auxiliary shaft is provided with an auxiliary shaft gear-shifting gear and an auxiliary shaft output gear. The side transmission case is installed outside the box body. One end of the main shaft, one end of the middle shaft and one end of the auxiliary shaft extend into the side transmission case. Shaft heads are respectively provided with a main shaft auxiliary gear, a middle shaft auxiliary gear and an auxiliary shaft auxiliary gear. The auxiliary shaft auxiliary gear is fixed to the auxiliary shaft, rotates synchronously with the auxiliary shaft output gear and drives the main shaft auxiliary gear, and the main shaft auxiliary gear drives the middle shaft auxiliary gear which generates a second power output source. Due to the technical scheme, the second power output source is additionally arranged on the gearbox, and the whole gearbox utilizes existing parts fully and has the advantages of being compact in design.

Description

Gear box of tractor with side transmission case
Technical field
The invention belongs to gear box of tractor technical field, relate on a kind of hand tractor and variant motor truck thereof the gear box of tractor with side transmission case.
Background technique
In prior art, the direction of Dongfeng 12 model walking tractor is controlled and is controlled for handrail, the variant motor truck of Dongfeng 12 model walking tractor is that steering wheel is controlled, the main shaft of installing in the gear box of Dongfeng 12 model walking tractor and variant motor truck thereof, jack shaft and countershaft are splined shaft, the two ends of three axles are arranged in the bearing of wall box, main shaft is provided with sprocket wheel, main shaft shifting gear and master gear, between sprocket wheel and main shaft, movable spacing sleeve is housed, countershaft-gear and jack shaft shifting gear are installed on jack shaft, countershaft shifting gear and countershaft output gear are installed on countershaft.
This gearbox, only from countershaft output gear one end to front-wheel outputting power, drives front-wheel to rotate, and when needs gearbox is to front-wheel and trailing wheel while outputting power, while realizing four-wheel drive, this gearbox can not adapt to.
Summary of the invention
The present invention is directed in prior art, the gearbox of Dongfeng 12 model walking tractor and variant motor truck thereof only can provide power to front-wheel, can not adapt to the problem that tractor front and back wheels drives requirement simultaneously, a kind of gear box of tractor with side transmission case is provided, the main shaft of installing in the gear box of this device, jack shaft and countershaft are splined shaft, the two ends of three axles are arranged in the bearing of wall box, sprocket wheel is installed on main shaft, main shaft shifting gear and master gear, between sprocket wheel and main shaft, movable spacing sleeve is housed, countershaft-gear and jack shaft shifting gear are installed on jack shaft, countershaft shifting gear and countershaft output gear are installed on countershaft, outer side surface at casing, side transmission case is installed, main shaft, one end of jack shaft and countershaft is stretched into respectively in side transmission case, on spindle nose, be separately installed with main shaft pinion, jack shaft pinion and countershaft pinion, countershaft pinion is fixed in the spline of countershaft, between main shaft pinion and main shaft, sliding sleeve is installed, between jack shaft pinion and jack shaft, sliding sleeve is installed, countershaft pinion and the engagement of main shaft pinion, main shaft pinion and the engagement of jack shaft pinion, jack shaft pinion is the rear-wheels power output gear of side transmission case.
Adopt technique scheme, in the side of gearbox, increase a side transmission case design, countershaft is extended, countershaft pinion is installed on its termination, by countershaft pinion drive main spindle pinion, main shaft pinion drives jack shaft pinion, by jack shaft pinion to trailing wheel outputting power, driving trailing wheel rotates, and realizes the function of Dongfeng 12 model walking tractor and variant motor truck four-wheel drive thereof.
The technical program in gearbox side, makes full use of existing component on gearbox by the design of side transmission case, has compact structure, little, the lightweight advantage of volume.
As a preferred technical solution of the present invention, on the outer side wall of side transmission case, outer wall bearing can be installed, the termination of main shaft, jack shaft and countershaft is arranged in outer wall bearing through after side gearbox inner cavity respectively.
As another kind of optimal technical scheme of the present invention, main shaft and jack shaft can be disconnected from the outer edge punishment of gearbox casing, in side transmission case, form short main shaft and brachymedial countershaft, inwall bearing is installed on the madial wall of side transmission case, the termination of the gap of short main shaft and brachymedial countershaft is arranged on inwall bearing, and the other end of diaxon is arranged in outer wall bearing.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the embodiment of the present invention one.
Fig. 2 is the cross-sectional view of the embodiment of the present invention two.
Fig. 3 is the cross-sectional view of the embodiment of the present invention three.
Embodiment
Embodiment one: as shown in Figure 1, a kind of gear box of tractor with side transmission case, the main shaft 6 of the casing 1 interior installation of this gear box of tractor, jack shaft 8 and countershaft 3 are splined shaft, the two ends of three axles are arranged in the bearing 4 of wall box, sprocket wheel 5 is installed on main shaft 6, main shaft shifting gear 2 and master gear 16, between sprocket wheel 5 and main shaft 6, movable spacing sleeve 7 is housed, countershaft-gear 9 and jack shaft shifting gear 10 are installed on jack shaft 8, countershaft shifting gear 17 and countershaft output gear 18 are installed on countershaft 3, outer side surface at casing 1, side transmission case 15 is installed, main shaft 6, one end of jack shaft 8 and countershaft 3 is stretched into respectively in side transmission case 15, main shaft pinion 13 is installed respectively on spindle nose, jack shaft pinion 11 and countershaft pinion 14, countershaft pinion 14 is fixedly mounted in the spline of countershaft 3, between main shaft pinion 13 and main shaft 6, sliding sleeve 12 is installed, between jack shaft pinion 11 and jack shaft 8, sliding sleeve 12 is installed, countershaft pinion 14 and 13 engagements of main shaft pinion, main shaft pinion 13 and 11 engagements of jack shaft pinion, jack shaft pinion 11 is the rear-wheels power output gear of side transmission case 15.
Embodiment two: as shown in Figure 2, a kind of gear box of tractor with side transmission case, its technology contents and embodiment one are basic identical, difference is: outer wall bearing 19 is installed on the outer side wall of side transmission case 15, and the termination of main shaft 6, jack shaft 8 and countershaft 3 is arranged in outer wall bearing 19 through after side transmission case 15 inner cavities respectively.
Embodiment three: as shown in Figure 3, a kind of gear box of tractor with side transmission case, its technology contents and embodiment two are basic identical, difference is: main shaft 6 and jack shaft 8 disconnect from the outer edge punishment of gear box 1, at the short main shaft 20 of the interior formation of side transmission case 15 and brachymedial countershaft 21, inwall bearing 22 is installed on the madial wall of side transmission case 15, and the termination of short main shaft 20 and brachymedial countershaft 21 open ends is arranged on inwall bearing 22, and the other end is arranged in outer wall bearing 19.

Claims (3)

1. with the gear box of tractor of side transmission case, the main shaft (6) of installing in the casing of this gear box of tractor (1), jack shaft (8) and countershaft (3) are splined shaft, the two ends of three axles are arranged in the bearing (4) of gear box sidewall, sprocket wheel (5) is installed on main shaft (6), main shaft shifting gear (2) and master gear (16), between sprocket wheel (5) and main shaft (6), movable spacing sleeve (7) is housed, countershaft-gear (9) and jack shaft shifting gear (10) are installed on jack shaft (8), countershaft shifting gear (17) and countershaft output gear (18) are installed on countershaft (3), it is characterized in that: the outer side surface in casing (1), side transmission case (15) is installed, main shaft (6), one end of jack shaft (8) and countershaft (3) is stretched into respectively in side transmission case (15), on spindle nose, be separately installed with main shaft pinion (13), jack shaft pinion (11) and countershaft pinion (14), countershaft pinion (14) is fixed in the spline of countershaft (3), between main shaft pinion (13) and main shaft (6), sliding sleeve (12) is installed, between jack shaft pinion (11) and jack shaft (8), sliding sleeve (12) is installed, countershaft pinion (14) and main shaft pinion (13) engagement, main shaft pinion (13) and jack shaft pinion (11) engagement, jack shaft pinion (11) is the rear-wheels power output gear of side transmission case (15).
2. the gear box of tractor with side transmission case as claimed in claim 1, it is characterized in that: outer wall bearing (19) is installed on the outer side wall of side transmission case (15), and the termination of main shaft (6), jack shaft (8) and countershaft (3) is arranged in outer wall bearing (19) through after the inner cavity of side transmission case (15) respectively.
3. the gear box of tractor with side transmission case as claimed in claim 1 or 2, it is characterized in that: main shaft (6) and jack shaft (8) disconnect from the outer edge punishment of gear box (1), in side transmission case (15), form short main shaft (20) and brachymedial countershaft (21), inwall bearing (22) is installed on the madial wall of side transmission case (15), it is upper that the termination of short main shaft (20) and brachymedial countershaft (21) open end is arranged on inwall bearing (22), and the other end is arranged in outer side wall bearing (19).
CN201310540540.4A 2013-11-05 2013-11-05 Tractor gearbox with side transmission case Active CN103591238B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310540540.4A CN103591238B (en) 2013-11-05 2013-11-05 Tractor gearbox with side transmission case

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310540540.4A CN103591238B (en) 2013-11-05 2013-11-05 Tractor gearbox with side transmission case

Publications (2)

Publication Number Publication Date
CN103591238A true CN103591238A (en) 2014-02-19
CN103591238B CN103591238B (en) 2017-04-12

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ306718B6 (en) * 2014-05-21 2017-05-24 Deprag Cz A.S. Actuation of pneumatic tools
CN110740859A (en) * 2017-06-14 2020-01-31 Sms集团有限公司 Shifting transmission in rolling mill technology
CN112343974A (en) * 2020-12-16 2021-02-09 江苏泰隆减速机股份有限公司 Steel cord double-speed bridge box speed reducer
CN112343974B (en) * 2020-12-16 2024-06-07 江苏泰隆减速机股份有限公司 Speed reducer for steel cord double-speed bridge box

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201105648Y (en) * 2007-12-11 2008-08-27 浙江万里扬变速器有限公司 Automobile speed variator with double middle-axle intercross combination structure
CN201262215Y (en) * 2008-09-19 2009-06-24 陕西法士特齿轮有限责任公司 Double-intermediate shaft automobile speed variator with major-minor case structure
CN201723659U (en) * 2010-05-18 2011-01-26 孔令金 Improved transmission
DE102009054752A1 (en) * 2009-12-16 2011-06-22 ZF Friedrichshafen AG, 88046 Powertrain with an automated group transmission
CN203594750U (en) * 2013-11-05 2014-05-14 通海宏兴工贸有限公司 Tractor gearbox with lateral transmission box

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201105648Y (en) * 2007-12-11 2008-08-27 浙江万里扬变速器有限公司 Automobile speed variator with double middle-axle intercross combination structure
CN201262215Y (en) * 2008-09-19 2009-06-24 陕西法士特齿轮有限责任公司 Double-intermediate shaft automobile speed variator with major-minor case structure
DE102009054752A1 (en) * 2009-12-16 2011-06-22 ZF Friedrichshafen AG, 88046 Powertrain with an automated group transmission
CN201723659U (en) * 2010-05-18 2011-01-26 孔令金 Improved transmission
CN203594750U (en) * 2013-11-05 2014-05-14 通海宏兴工贸有限公司 Tractor gearbox with lateral transmission box

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ306718B6 (en) * 2014-05-21 2017-05-24 Deprag Cz A.S. Actuation of pneumatic tools
CN110740859A (en) * 2017-06-14 2020-01-31 Sms集团有限公司 Shifting transmission in rolling mill technology
CN112343974A (en) * 2020-12-16 2021-02-09 江苏泰隆减速机股份有限公司 Steel cord double-speed bridge box speed reducer
CN112343974B (en) * 2020-12-16 2024-06-07 江苏泰隆减速机股份有限公司 Speed reducer for steel cord double-speed bridge box

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