CN103299782B - Multifunctional speed changing box - Google Patents

Multifunctional speed changing box Download PDF

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Publication number
CN103299782B
CN103299782B CN201310245179.2A CN201310245179A CN103299782B CN 103299782 B CN103299782 B CN 103299782B CN 201310245179 A CN201310245179 A CN 201310245179A CN 103299782 B CN103299782 B CN 103299782B
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China
Prior art keywords
gear
shaft assembly
assembly
output
transition
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Expired - Fee Related
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CN201310245179.2A
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Chinese (zh)
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CN103299782A (en
Inventor
夏元平
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Chongqing Panlong Technology Development Co ltd
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Chongqing Panlong Technology Development Co ltd
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Abstract

The invention discloses a multifunctional speed changing box which comprises a box body, an input shaft assembly, and left and right output shaft assemblies which are in power transmission connection with the input shaft assembly by a middle speed changing shaft assembly, wherein the left and right output shaft assemblies are fixedly sleeved with bull gears respectively; a reverse gear shaft assembly serving as transfer power transmission is arranged between the middle speed changing shaft assembly and the input shaft assembly; a brake shaft assembly is arranged among the middle speed changing shaft assembly and the left and right output shaft assemblies, and comprises a brake input gear which is in power transmission connection with the middle speed changing shaft assembly, left and right brake output gears meshed with the bull gears correspondingly, and steering yokes which control the left and right brake output gears to form the power transmission connection with the two end faces of the brake input gear respectively and correspondingly; and the brake shaft assembly is in power transmission connection with a second output shaft assembly by a transition shaft assembly. The speed changing box comprehensively has functions of speed changing, steering, parking, main output, second output, clutch and the like.

Description

Multifunctional gear box
Technical field
The present invention relates to a kind of multifunctional gear box, relate in particular to a kind of gear be applied in rice wheat miniature combine harvester.
Background technology
Gear function singleness in current rice/wheat combine, dumb, unreliable.Existing gear can't possess speed change simultaneously, turns to, parking, main output, second export and the comprehensive function such as clutch, and therefore, the multifunctional gear box needing design one new carrys out comprehensive above-mentioned functions.
Summary of the invention
For above-mentioned weak point of the prior art, the present invention aims to provide a kind of multifunctional gear box be applied in rice wheat miniature combine harvester, comprehensively possess speed change, turn to, parking, main output, second exports and the function such as clutch, and idle running flexibly, speed change is reliable, turn to flexibly, clutch is reliable.
To achieve these goals, technical scheme of the present invention: a kind of multifunctional gear box, comprise casing and power shaft assembly, and the left and right output shaft assembly that this power shaft assembly is connected by middle variable-speed shaft assembly transmission of power, this left and right output shaft assembly is installed with gear wheel respectively, wherein, between described middle variable-speed shaft assembly and power shaft assembly, be provided with the reversing shaft assembly as transfer transmission of power; Between described middle variable-speed shaft assembly and described left and right output shaft assembly, be provided with brake axle assembly, described brake axle assembly comprises the braking input gear connected with middle variable-speed shaft assembly transmission of power, output gear is braked in left and right of engaging corresponding to described gear wheel and brake about controlling this respectively output gear corresponding form that transmission of power is connected with braking input gear both ends of the surface turn to shift fork; Described brake axle assembly is also connected with the second output shaft assembly by transition axis assembly transmission of power.
This multifunctional gear box has comprehensively possessed speed change, has turned to, parking, main output, second export and the function such as clutch, and idle running flexibly, and speed change is reliable, turns to flexibly, and clutch is reliable, can be widely used in the speed change system of rice wheat miniature combine harvester.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of invention;
Fig. 2 is along A-A in Fig. 1 1-A 2-A 3-A 4-A 5-A 6the cutaway view of line;
Fig. 3 is along A-A in Fig. 1 1-B-A 2-B 1the cutaway view of line;
Fig. 4 is along C-A in Fig. 1 1-B-C 1the cutaway view of line;
Fig. 5 is along D-A in Fig. 1 4-D 1-D 2-D 3-A 4the cutaway view of line;
Fig. 6 is the cutaway view along K-K line in Fig. 1;
Fig. 7 be in Fig. 1 Q to schematic diagram.
Embodiment
The present invention is further described below in conjunction with specific embodiment and accompanying drawing.
A kind of multifunctional gear box as shown in Fig. 1,2,3,5, comprise casing 5 and power shaft assembly 9, and the left and right output shaft assembly 23 that this power shaft assembly 9 is connected by middle variable-speed shaft assembly transmission of power, this left and right output shaft assembly 23 is installed with gear wheel 24 respectively, wherein, between described middle variable-speed shaft assembly and power shaft assembly 9, be provided with the reversing shaft assembly 10 as transfer transmission of power; Between described middle variable-speed shaft assembly and described left and right output shaft assembly 23, be provided with brake axle assembly 21, described brake axle assembly 21 comprises the braking input gear 44 connected with middle variable-speed shaft assembly transmission of power, output gear 45 is braked in left and right of engaging corresponding to described gear wheel 24 and brake about controlling this respectively output gear 45 corresponding form that transmission of power is connected with braking input gear 44 both ends of the surface turn to shift fork 12; Described brake axle assembly 21 is also connected with the second output shaft assembly 50 by transition axis assembly transmission of power.
Design point of the present invention is, by stirring of machine driving and various shift fork, realizes the various actions of rice wheat miniature combine harvester, such as speed change, turn to, parking, main output, second exports and the function such as clutch, and idle running is flexibly, and speed change is reliable, turn to flexibly, clutch is reliable.
Particularly, described power shaft assembly 9 comprises on power shaft A1, power shaft A1 by triple gear 6 that spline slide is arranged, wherein, this triple gear 6 is by being arranged at gear shift fork 1 control connection on casing 5, this gear shift fork 1 is arranged on gear shifter shaft 2, and on described casing 5, have the gear shifting device 51 of this gear shifter shaft 2 speed change gear of location.
The affixed input sprocket 7 in this power shaft A1 one end, as shown in Figure 4, this input sprocket 7 external connection power source such as diesel engine, petrol engine etc., for whole gearbox and even whole rice wheat miniature combine harvester shift to an earlier date power.Three gears of the triple gear 6 that this power shaft A1 is arranged by spline slide are designed to the different number of teeth of identical modulus respectively, such as gear ratio 17:23:18, to realize the combination transmission of itself and middle variable-speed shaft assembly and to realize the speed of travel of friction speed, wherein, the first two gear is used for speed change, after gear be used for reverse gear.Described power shaft A1 is positioned on described casing 5 by bearing, and its two ends adopt power shaft tail-hood 3 to seal, and mouth-sealed portion is provided with Y type or V-type or sealing gasket that is U-shaped or leather cup type.For the setting of gear shift fork 1, this example is integrated on the rear end cap of casing 5 by gear shifter shaft 2, and the sealing gasket by being made up of asbestos rubber cardboard between this rear end cap and casing 5 seals and arranges.Described gear shifter shaft 2 is through on this rear end cap, and gear shifter shaft 2 one end connects shifting fork bar 20, for controlling the diverse location of gear shift fork 1, realizes speed change, reverse gear is used.Gear shifter shaft 2 is provided with gear shifting device 51, is an Elastip pin acting on gear shifter shaft 2 periphery, and is provided with the shallow slot suitable with Elastip pin end on the periphery of gear shifter shaft 2.
For brake axle assembly 21, this brake axle assembly 21 comprises brake axle A4, described braking input gear 44 is placed on this brake axle A4 admittedly, described left and right braking output gear 45 slides respectively by axle sleeve and is arranged on this brake axle A4, and brake output gear 45 about this and form profile of tooth Meshing Pair respectively and between braking input gear 44 both ends of the surface, be respectively arranged with brake pressure spring 46 at the non-profile of tooth end of described left and right braking output gear 45, described in turn to shift fork 12 to act on to be located at this about brake on output gear 45.The separate or merge adopting braking output gear 45 in left and right to engage with the contrate tooth profile between braking input gear 44, realizes parking or walking function, and turns to the difference of shift fork 12 to stir by two, realize turning function.Under the effect turning to shift fork 12, and compress by brake pressure spring 46 is auxiliary, realize the transmission of power between left and right braking output gear 45 and braking input gear 44, turn to flexibly, clutch is reliable.
Described shift fork 12 one end that turns to is located by the positioning sleeve 25 on casing 5, and other end connection turns to torque arm 38 to control panel, and handled easily person turns to, parking operation.
Setting for brake axle assembly 21 can adopt various ways, concrete manifestation is left and right braking output gear 45, the setting of braking input gear 44 on brake axle A4, except the braking input gear 44 such as shown in this Fig. 1 adopts solid cover, except left and right braking output gear 45 adopts axle sleeve to slide to arrange, braking input gear 44 such as also can be adopted to adopt bearing empty set to arrange, and the left and right braking output gear 45 also corresponding set-up mode such as adopt axle sleeve slip to arrange.Only need to ensure when turning to shift fork 12 to stir in opposite directions to make braking output gear 45 in left and right engage with braking input gear 44 both ends of the surface profile of tooth, the normal advance of described left and right output shaft assembly 23 or retrogressing or speed change; Stir when making left and right braking output gear 45 end face engagement non-with braking input gear 44 in opposite directions when turning to shift fork 12, described left and right output shaft assembly 23, by non-transmission of power, is namely that brake axle A4 is in idling conditions, i.e. parking; The work when turning to shift fork 12 different, a gear in such as left and right braking output gear 45 carries out end face with braking input gear 44 and engages, and when another gear engages with the non-end face of braking input gear 44, realization is turned to.
Described middle variable-speed shaft assembly comprises the first middle variable-speed shaft assembly 17, the second middle transition axle assembly 19 set gradually, wherein, described first middle variable-speed shaft assembly 17 to comprise on the first middle variable-speed shaft A2 and this first middle variable-speed shaft A2 reverse input gear 29 that solid cover arranges and two end tooth takes turns the speed change triple gear 8 that can be meshed with first and second gear on described triple gear 6; Described second middle transition axle assembly 19 to comprise on the second middle transition axle A3 and this second middle transition axle A3 that solid cover is arranged and corresponding idler gear with described speed change triple gear 8, brake the first idler gear 42, second idler gear 43 that input gear 44 engages, duplicate gear be can be for this first idler gear 42, second idler gear 43, also can be respective gear wheels and be positioned on described second middle transition axle A3 by spline.Same, the setting of speed change triple gear 8, also can adopt three independently gear realize.For the setting of middle variable-speed shaft assembly, have a lot of similar structures in the prior art, therefore, the setting of this middle variable-speed shaft assembly no longer specifically repeats.
As Fig. 1,3,4, described reversing shaft assembly 10 comprises the reversing shaft B that is fixedly arranged in casing 5 and is located at duplex reverse output gear 41 that is on this reversing shaft B and that can be meshed with the 3rd gear on described triple gear 6 by bearing empty set, and a gear of this duplex reverse output gear 41 is meshed with described reverse input gear 29.Realized the gear drive break-in in whole speed change system by the duplex reverse output gear 41 on reversing shaft B, and then achieve the function of reverse gear.
For main output, that is to say left and right output shaft assembly, this left and right output shaft assembly 23 comprise connect external left right lateral travelling wheel respectively and left and right output shaft A5 in specular, on one end that described gear wheel 24 is placed on this left and right output shaft A5 respectively admittedly and end face location.
And export for second, as Fig. 1,5,6, described second output shaft assembly 50 comprises the second output shaft D3, be arranged at the first input gear 35 that is on this two output shaft D3 and that be connected with transition axis assembly transmission of power, be arranged at the second output gear 49 that is on this second output shaft D3 and that be connected with its formation transmission of power and control this second output gear 49 and the first input gear 35 forms the clutch yoke 15 that transmission of power is connected.Particularly, this first input gear 35 is located on described second output shaft D3 by bearing empty set, described second output gear 49 is arranged on this second output shaft D3 by spline slide, wherein, described second output gear 49 forms profile of tooth Meshing Pair with the end face that abuts mutually between the first input gear 35, and the non-profile of tooth end of the second output gear 49 is provided with clutching pressure spring 52, described clutch yoke 15 effect is located on the second output gear 49.Its operation principle and brake axle assembly 21 similar, different is, becomes unilateral transmission from two-side transmission.Clutch yoke 15 end is by connecting clutch torque arm 36 to control panel, and handled easily person works, as shown in Figure 7.
In addition, described transition axis assembly comprises First Transition axle assembly 32, the second transition axis assembly 33 floating and be arranged in casing 5, wherein, this First Transition axle assembly 32 comprises First Transition axle D1 and is located at First Transition gear 47 that is on this First Transition axle D1 and that be meshed with braking input gear 44 by bearing empty set; This second transition axis assembly 33 comprises the second transition axis D2 and is located at the second transition gear 48 that is on this second transition axis D2 and that be meshed with First Transition gear 47, first input gear 35 respectively by bearing empty set.And the two ends of described First Transition axle D1, the second transition axis D2 are all positioned on two location-plates 31, this two location-plate 31 is fixed in described casing 5 respectively by the first alignment pin 39, second alignment pin 40; The casing 5 that the two ends of this First Transition axle D1, the second transition axis D2 are corresponding is provided with installing hole, this installing hole is arranged sealing-plug 27 and pressing plate 26, this installing hole is the installation location for the ease of First Transition axle assembly 32, second transition axis assembly 33 during assembling.
Above the technical scheme that the embodiment of the present invention provides is described in detail, apply specific case herein to set forth the principle of the embodiment of the present invention and embodiment, the explanation of above embodiment is only applicable to the principle helping to understand the embodiment of the present invention; Meanwhile, for one of ordinary skill in the art, according to the embodiment of the present invention, embodiment and range of application all will change, and in sum, this description should not be construed as limitation of the present invention.

Claims (9)

1. a multifunctional gear box, comprise casing (5) and power shaft assembly (9), and the left and right output shaft assembly (23) that this power shaft assembly (9) is connected by middle variable-speed shaft assembly transmission of power, this left and right output shaft assembly (23) is installed with gear wheel (24) respectively, it is characterized in that, described power shaft assembly (9) comprises power shaft (A1), by triple gear (6) that spline slide is arranged on power shaft (A1), wherein, this triple gear (6) is by being arranged at gear shift fork (1) control connection on casing (5), this gear shift fork (1) is arranged on gear shifter shaft (2), and there is the gear shifting device (51) of location this gear shifter shaft (2) speed change gear on described casing (5), the reversing shaft assembly (10) as transfer transmission of power is provided with between described middle variable-speed shaft assembly and power shaft assembly (9), between described middle variable-speed shaft assembly and described left and right output shaft assembly (23), be provided with brake axle assembly (21), described brake axle assembly (21) comprises the braking input gear (44) connected with middle variable-speed shaft assembly transmission of power, output gear (45) is braked in left and right of engaging corresponding to described gear wheel (24) and brake about controlling this respectively output gear (45) corresponding form that transmission of power is connected with braking input gear (44) both ends of the surface turn to shift fork (12), described brake axle assembly (21) is also connected with the second output shaft assembly (50) by transition axis assembly transmission of power.
2. multifunctional gear box according to claim 1, it is characterized in that, described brake axle assembly (21) comprises brake axle (A4), described braking input gear (44) is placed on this brake axle (A4) admittedly, described left and right braking output gear (45) is slided respectively by axle sleeve and is arranged on this brake axle (A4), and brake about this output gear (45) respectively and braking input gear (44) both ends of the surface between form profile of tooth Meshing Pair, brake pressure spring (46) is respectively arranged with at the non-profile of tooth end of described braking output gear (45), described turn to shift fork (12) act on be located on this braking output gear (45).
3. multifunctional gear box according to claim 1, it is characterized in that, described middle variable-speed shaft assembly comprise set gradually the first middle variable-speed shaft assembly (17), the second middle transition axle assembly (19), wherein, described first middle variable-speed shaft assembly (17) comprises reverse input gear (29) that the upper solid cover of the first middle variable-speed shaft (A2) and this first middle variable-speed shaft (A2) arranges and two end tooth takes turns the speed change triple gear (8) that can be meshed with first and second gear on described triple gear (6); Described second middle transition axle assembly (19) comprises that the upper solid cover of the second middle transition axle (A3) and this second middle transition axle (A3) is arranged and corresponding idler gear with described speed change triple gear (8), brake the first idler gear (42), the second idler gear (43) that input gear (44) engages.
4. multifunctional gear box according to claim 3, it is characterized in that, described reversing shaft assembly (10) comprises the reversing shaft (B) that is fixedly arranged in casing (5) and is located at duplex reverse output gear (41) that is on this reversing shaft (B) and that can be meshed with the 3rd gear on described triple gear (6) by bearing empty set, and a gear of this duplex reverse output gear (41) is meshed with described reverse input gear (29).
5. multifunctional gear box according to claim 1, it is characterized in that, described left and right output shaft assembly (23) comprise connect external left right lateral travelling wheel respectively and left and right output shaft (A5) in specular, on one end that described gear wheel (24) is placed on this left and right output shaft (A5) respectively admittedly and end face location.
6. multifunctional gear box according to claim 1, it is characterized in that, described second output shaft assembly (50) comprises the second output shaft (D3), be arranged at the first input gear (35) that is on this two output shaft (D3) and that be connected with transition axis assembly transmission of power, be arranged at the second output gear (49) that is on this second output shaft (D3) and that be connected with its formation transmission of power and control this second output gear (49) and the first input gear (35) and form the clutch yoke (15) that transmission of power is connected.
7. multifunctional gear box according to claim 6, it is characterized in that, described first input gear (35) is located on described second output shaft (D3) by bearing empty set, described second output gear (49) is arranged on this second output shaft (D3) by spline slide, wherein, described second output gear (49) forms profile of tooth Meshing Pair with the end face that abuts mutually between the first input gear (35), and the non-profile of tooth end of the second output gear (49) is provided with clutching pressure spring (52), described clutch yoke (15) effect is located on the second output gear (49).
8. the multifunctional gear box according to claim 6 or 7, it is characterized in that, described transition axis assembly comprises the First Transition axle assembly (32), the second transition axis assembly (33) that float and be arranged in casing (5), wherein, this First Transition axle assembly (32) comprises First Transition axle (D1) and is located at First Transition gear (47) that is on this First Transition axle (D1) and that be meshed with braking input gear (44) by bearing empty set; This second transition axis assembly (33) comprises the second transition axis (D2) and is located at the second transition gear (48) that is on this second transition axis (D2) and that be meshed with First Transition gear (47), the first input gear (35) respectively by bearing empty set.
9. multifunctional gear box according to claim 8, it is characterized in that, the two ends of described First Transition axle (D1), the second transition axis (D2) are all positioned on two location-plates (31), and this two location-plate (31) is fixed in described casing (5) respectively by the first alignment pin (39), the second alignment pin (40); The casing (5) that the two ends of this First Transition axle (D1), the second transition axis (D2) are corresponding is provided with installing hole, this installing hole is arranged sealing-plug (27) and pressing plate (26).
CN201310245179.2A 2013-06-19 2013-06-19 Multifunctional speed changing box Expired - Fee Related CN103299782B (en)

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CN103299782B true CN103299782B (en) 2015-06-24

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104604452A (en) * 2015-01-29 2015-05-13 鲁顺 Threshing constant-speed change drive box of longitudinal axial flow harvester

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094464A1 (en) * 1982-05-13 1983-11-23 Deere & Company Gear arrangement for a motor vehicle
CN201057713Y (en) * 2007-06-05 2008-05-14 浙江云洲科技有限公司 Wide-swath self-propelled combine-harvester gearbox
CN101907153A (en) * 2009-06-07 2010-12-08 陈安模 Intelligent continuously variable transmission of automobile
CN201888101U (en) * 2010-10-30 2011-07-06 浙江四方集团公司 Gear box of harvesting machine
CN202587880U (en) * 2012-05-31 2012-12-12 蔡涛 Semi-automatic remote control machine for returning straws to fields
CN203313696U (en) * 2013-06-19 2013-12-04 重庆盘龙科技发展有限责任公司 Multifunctional gearbox

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094464A1 (en) * 1982-05-13 1983-11-23 Deere & Company Gear arrangement for a motor vehicle
CN201057713Y (en) * 2007-06-05 2008-05-14 浙江云洲科技有限公司 Wide-swath self-propelled combine-harvester gearbox
CN101907153A (en) * 2009-06-07 2010-12-08 陈安模 Intelligent continuously variable transmission of automobile
CN201888101U (en) * 2010-10-30 2011-07-06 浙江四方集团公司 Gear box of harvesting machine
CN202587880U (en) * 2012-05-31 2012-12-12 蔡涛 Semi-automatic remote control machine for returning straws to fields
CN203313696U (en) * 2013-06-19 2013-12-04 重庆盘龙科技发展有限责任公司 Multifunctional gearbox

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