CN206694510U - A kind of more gear rotating speed change gears of twin shaft - Google Patents

A kind of more gear rotating speed change gears of twin shaft Download PDF

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Publication number
CN206694510U
CN206694510U CN201720288959.9U CN201720288959U CN206694510U CN 206694510 U CN206694510 U CN 206694510U CN 201720288959 U CN201720288959 U CN 201720288959U CN 206694510 U CN206694510 U CN 206694510U
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China
Prior art keywords
gear
gears
rotating shaft
gearshift
bevel gear
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Withdrawn - After Issue
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CN201720288959.9U
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Chinese (zh)
Inventor
蒋蘋
陈为
石毅新
胡文武
罗亚辉
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Hunan Agricultural University
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Hunan Agricultural University
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Abstract

A kind of more gear rotating speed change gears of twin shaft,Including casing and the first rotating shaft being mounted side by side and the second rotating shaft,Also include straight trip gear bevel gear,Reverse gear bevel gear,Input bevel gear and multiple power input gears in the second rotating shaft,First rotating shaft is provided with and can engaged by conversion with any one in multiple power input gears or equal out of mesh gear type gearshift components,Straight trip gear bevel gear is fixedly installed in first rotating shaft,Bevel gear of reversing gear rotatably is sheathed in first rotating shaft,Straight trip gear bevel gear and bevel gear of reversing gear are divided into input bevel gear both sides and engaged with input bevel gear,Reverse gear to slide on bevel gear to be provided with and engaged with least one in multiple power input gears or out of mesh reverse gear,More gear rotating switching mechanisms also include being used for the back fork component for driving reverse gear to slide.It has the advantages that axle and gear quantity are few, compact-sized, in light weight, cost is low, easy for installation, wide adaptation range.

Description

A kind of more gear rotating speed change gears of twin shaft
Technical field
It the utility model is related to transmission art field, and in particular to a kind of more gear rotating speed change gears of twin shaft.
Background technology
At present, the crawler tractor gearbox of in the market does not possess pivot stud function, caterpillar tractor speed change typically A wide range of adjustable travel speed is realized in the design of case generally use hydraulic pump motor and mechanical changeover one, gear and axle be present Quantity it is more, system complex, the defects of cost is high, and gearbox is oversized, and fault rate is high, inconvenient for operation, and adaptability is not strong. Also, the crawler tractor gearbox back axle some of in the market does not possess pivot stud function, although some gearbox back axles have There is turning function, but its structure is numerous and diverse, installation accuracy is high, difficulty is big so that presence cost that gearbox is not avoided that is too high, The shortcomings of back axle bulk is excessive.In addition, the crawler tractor gearbox shifting mechanism of in the market typically uses three or three Axle more than root, multiple forward gears could be realized and reversed gear, the quantity of its gear and axle is more, directly results in speed change system and answers The miscellaneous, problem such as cost is high, overall dimension is big and reliability is low.
Utility model content
The technical problems to be solved in the utility model is to overcome the shortcomings of the prior art, there is provided a kind of axle and the number of gears Amount is less, compact-sized, in light weight, cost is low, the more gear rotating speed change gears of twin shaft easy for installation, wide adaptation range.
In order to solve the above technical problems, the utility model uses following technical scheme:
A kind of more gear rotating speed change gears of twin shaft, including casing and the first rotating shaft that is mounted side by side in casing and Second rotating shaft, more gear rotating switching mechanisms, more gear rotatings are provided between the first rotating shaft and the second rotating shaft Switching mechanism includes straight trip gear bevel gear, bevel gear of reversing gear, the input bevel gear being connected with power source and installed in second turn Multiple power input gears on axle, the first rotating shaft be provided with can by conversion with it is any in multiple power input gears One engagement fixes peace with the out of mesh gear type gearshift component of multiple power input gears, the straight trip gear bevel gear Loaded in first rotating shaft, the bevel gear of reversing gear rotatably is sheathed in first rotating shaft, and the straight trip keeps off bevel gear and reversed gear Bevel gear is divided into input bevel gear both sides and engaged with input bevel gear, is slided on the bevel gear of reversing gear and is provided with and can lead to Cross slide engaged with least one in multiple power input gears or with multiple power input gears are out of mesh reverses gear Gear, more gear rotating switching mechanisms also include being used for the back fork component for driving reverse gear to slide.
The more gear rotating speed change gears of above-mentioned twin shaft, it is preferred that multiple power input gears be respectively first gear, Second gear, three gear gears and four gear gears, the first gear, second gear, three gear gears and four gear gears are fixedly mounted In the second rotating shaft, gear type gearshift component includes the first gearshift duplicate gear and the second gearshift duplicate gear, and described the One gearshift duplicate gear be slidedly arranged in first rotating shaft and can by slide select one engaged with first gear and second gear or with First gear and second gear do not engage, and the second gearshift duplicate gear is slidedly arranged in first rotating shaft and can selected by sliding One engages with three gear gears and four gear gears or is not engaged with three gear gears and four gear gears, the gear type gearshift component The first straight trip for also including being used to drive the first gearshift duplicate gear to slide keeps off pull-fork assembly and for driving the second gearshift duplex Second straight trip gear pull-fork assembly of gears slip.
The more gear rotating speed change gears of above-mentioned twin shaft, it is preferred that the first straight trip gear pull-fork assembly, the second straight trip Gear pull-fork assembly and back fork component include shift fork and the shifting shaft being slidedly arranged on casing, and the shift fork is fixed in shifting shaft On, the shifting shaft is connected with a slip actuator.
The more gear rotating speed change gears of above-mentioned twin shaft, it is preferred that the first straight trip gear pull-fork assembly, the second straight trip Gear pull-fork assembly and back fork component set an independent shifting shaft respectively.
The more gear rotating speed change gears of above-mentioned twin shaft, it is preferred that the shifting shaft, which is slidably installed in, to be fixed on casing In slide, gearshift elastic positioning member is additionally provided between the shifting shaft and slide.
The more gear rotating speed change gears of above-mentioned twin shaft, it is preferred that the gearshift elastic positioning member includes compressing steel Pearl and stage clip, the slide are provided with counterbore of the opening towards shifting shaft, and stage clip and compression steel ball are installed in the counterbore successively And stage clip makes compression steel ball be close to shifting shaft, the shifting shaft is provided with multiple positioning counterbores for being used to be pressed into compression steel ball.
The more gear rotating speed change gears of above-mentioned twin shaft, it is preferred that the first gearshift duplicate gear, the second gearshift are double Connection gear and bevel gear of reversing gear are equipped with neck, the first gearshift duplicate gear, the second gearshift duplicate gear and the cone tooth that reverses gear Shift fork corresponding to wheel is provided with the U-shaped card being fastened in the neck.
The more gear rotating speed change gears of above-mentioned twin shaft, it is preferred that be fixedly mounted in second rotating shaft dynamic defeated Go out gear.
Compared with prior art, the utility model has the advantage of:The more gear rotating speed changes of twin shaft of the present utility model In device, straight trip gear bevel gear and bevel gear of reversing gear use coaxial design, carry out forward gear and the power transmission reversed gear, pole respectively The big quantity for simplifying reverse gear mechanism, reducing axle and gear, improves structural compactness and reduces cost;Also, adopt Engaged, can be preferably balanced due to bevel gear with input bevel gear with straight trip gear bevel gear and two bevel gears of bevel gear of reversing gear Axial force caused by engaged transmission, reduce the axial motion of first rotating shaft;It is more compared to existing logical function gear, the twin shaft Gear rotating speed change gear has that axle and gear quantity are few, simple and compact for structure, in light weight, velocity adaptive scope is wide, manufacture The advantages that cost is low, easy for installation, it can be widely applied in the transmission system of caterpillar tractor.
Brief description of the drawings
Fig. 1 is the partial sectional view of the more gear rotating speed change gears of twin shaft.
Fig. 2 is that the first straight trip keeps off pull-fork assembly, the second straight trip keeps off pull-fork assembly and back fork component changes with first respectively Keep off duplicate gear, the partial sectional view that the second gearshift duplicate gear and reverse gear coordinate.
Fig. 3 is that the first straight trip keeps off pull-fork assembly, the second straight trip keeps off pull-fork assembly and the mounting structure of back fork component shows It is intended to.
Marginal data:
100th, casing;501st, first rotating shaft;502nd, the second rotating shaft;503rd, first gear;504th, second gear;505th, three gear Gear;506th, four gear gear;507th, the first gearshift duplicate gear;508th, the second gearshift duplicate gear;509th, straight trip gear bevel gear; 510th, reverse gear bevel gear;511st, bevel gear is inputted;512nd, reverse gear;513rd, the first straight trip gear pull-fork assembly;514th, second is straight Row gear pull-fork assembly;515th, back fork component;521st, shift fork;522nd, shifting shaft;601st, power output gear.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1 to Figure 3, the more gear rotating speed change gears of the twin shaft of the present embodiment, including casing 100 and side by side The rotating shaft 502 of first rotating shaft 501 and second in casing 100, it is provided between the rotating shaft 502 of first rotating shaft 501 and second more Gear rotating switching mechanism, more gear rotating switching mechanisms include straight trip gear bevel gear 509, bevel gear 510 of reversing gear, with moving The input bevel gear 511 and multiple power input gears in the second rotating shaft 502 that power source is connected, first rotating shaft 501 Be provided with can by conversion be engaged with any one in multiple power input gears or with multiple power input gears not Meshed gears formula gearshift component, straight trip gear bevel gear 509 are fixedly installed in first rotating shaft 501, and bevel gear 510 of reversing gear can turn Dynamic is sheathed in first rotating shaft 501, and straight trip gear bevel gear 509 and bevel gear 510 of reversing gear are divided into input bevel gear 511 both sides And engaged with input bevel gear 511, slided on bevel gear 510 of reversing gear and be provided with reverse gear 512, reverse gear 512 can lead to Cross to slide and engage or do not engaged with multiple power input gears, more gears with least one in multiple power input gears Rotating switching mechanism also includes being used for the back fork component 515 for driving reverse gear 512 to slide.
In the present embodiment, multiple power input gears are respectively first gear 503, the gear gear 505 of second gear 504, three With four gear gears 506, first gear 503, second gear 504, three keep off the gear gear 506 of gear 505 and four and are spaced successively vertically It is fixedly mounted in the second rotating shaft 502, gear type gearshift component includes the first gearshift gearshift duplex-gear of duplicate gear 507 and second Wheel 508, the first gearshift duplicate gear 507 are slidedly arranged in first rotating shaft 501 vertically, and the first gearshift duplicate gear 507 can pass through Slip select one engaged with any one in first gear 503 and second gear 504 or with first gear 503 and second gear 504 are not engaged, and the second gearshift duplicate gear 508 is slidedly arranged in first rotating shaft 501 vertically, the second gearshift duplicate gear 508 Any one kept off in gears 506 with three gear gears 505 and four can be selected by slip to engage or keep off gears 505 and four with three Gear gear 506 does not engage, and gear type gearshift component also first including being used to drive the first gearshift duplicate gear 507 to slide is straight Row gear pull-fork assembly 513 and the second straight trip gear pull-fork assembly 514 for driving the second gearshift duplicate gear 508 to slide.This reality Apply example to be arranged to only engage or do not engaged with second gear 504 by sliding by reverse gear 512, pass through the tooth that reverses gear to realize Wheel 512 is by the power transmission of first rotating shaft 501 or is not passed to the second rotating shaft 502, namely reverse gear 512 only has by sliding There are two states, first state is engaged with second gear 504, and second state is not engaged with second gear 504.At it In his embodiment, reverse gear 512 can be also arranged to keep off the gear of gear 505 and four gear 506 wherein with first gear 503, three One cooperation is driven or is not driven;Or keep off gear 505 and four with first gear 503, second gear 504, three and keep off gear Two or more in 506 coordinates.
The both ends of the rotating shaft 502 of first rotating shaft 501 and second of the present embodiment are arranged on casing 100 by bearing assembly respectively On, bearing assembly includes bearing and the end cap being fixedly mounted on casing 100, and the rotating shaft 502 of first rotating shaft 501 and second passes through axle Hold in end cap, and sealing ring is provided between the rotating shaft 502 of first rotating shaft 501 and second and end cap.First gearshift is double The connection gearshift duplicate gear 508 of gear 507, second is coordinated by spline and first rotating shaft 501, can be slided along first rotating shaft 501; Gear bevel gear 510 is rotatably arranged in the second rotating shaft 502, and its axial both ends is respectively by located at the second rotating shaft 502 On semicircle back-up ring and the shaft shoulder it is spacing, reverse gear 512 by spline fitted be arranged on reverse gear on bevel gear 510, can fall Slid axially on gear bevel gear 510 along the second rotating shaft 502;Straight trip gear bevel gear 509 is arranged on the second rotating shaft by spline fitted On 502, axial thrust load when it is with input bevel gear 511 and the shaft shoulder axially position in first rotating shaft 501.One gear Gear 503, second gear 504, three keep off gear 505 and four and keep off gear 506 by spline fitted in the second rotating shaft 502, And first gear 503, second gear 504, three gear gear 505 and four keep off between gear 506 and carry out axle using axial limit structure To positioning.
More gear rotating switching mechanisms can realize that forward gear, two gears that advance, ahead three gear, advance four keep off, fallen The conversion of gear and six gears of neutral.In the gear of forward gear, the first straight trip gear pull-fork assembly 513 drives the first gearshift double Connection gear 507 slides into its gear wheel and engaged with first gear 503, and the second straight trip gear pull-fork assembly 514 drives the second gearshift double Connection gear 508 slides into not to be engaged with the three gear gear gears 506 of gears 505 and four, and back fork component 515 drives reverse gear 512 do not engage with second gear 504, after power is input to input bevel gear 511, then are transferred to directly by inputting bevel gear 511 Row gear bevel gear 509 and bevel gear 510 of reversing gear, straight trip gear bevel gear 509 and bevel gear 510 of reversing gear are in input bevel gear 511 Be rotated by, both steering on the contrary, and bevel gear 510 of reversing gear dallied in first rotating shaft 501, straight trip gear bevel gear 509 With 501 synchronous rotation of first rotating shaft, now, the power of bevel gear 511 is inputted successively through straight trip gear bevel gear 509, the The gear wheel and first gear 503 of one rotating shaft 501, first gearshift duplicate gear 507 are transferred to the second rotating shaft 502.Advance two gears It is the sliding position for changing the first gearshift duplicate gear 507 on the basis of forward gear, i.e., the first straight trip keeps off pull-fork assembly 513 Drive the first gearshift duplicate gear 507 to slide into its little gear to engage with second gear 504, now input the dynamic of bevel gear 511 Power successively through straight trip gear bevel gear 509, first rotating shaft 501, first shift gears duplicate gear 507 little gear and second gear 504 It is transferred to the second rotating shaft 502.Ahead three gear is to change the first gearshift duplicate gear 507 and second on the basis of forward gear to change The sliding position of duplicate gear 508 is kept off, i.e., the first straight trip gear pull-fork assembly 513 drives the first gearshift duplicate gear 507 to slide into Do not engaged with first gear 503 and second gear 504, while the second straight trip gear pull-fork assembly 514 drives the second gearshift duplex Gear 508 slides into its gear wheel and engaged with three gear gears 505, now inputs the power of bevel gear 511 successively through straight trip gear cone Gear 509, the gear wheel of the gearshift duplicate gear 508 of first rotating shaft 501, second and three gear gears 505 are transferred to the second rotating shaft 502.The gear of advance four is the sliding position for changing the second gearshift duplicate gear 508 on the basis of ahead three gear, i.e., second keeps straight on Gear pull-fork assembly 514 drives the second gearshift duplicate gear 508 to slide into its little gear and engaged with four gear gears 506, now inputs The power of bevel gear 511 successively through straight trip gear bevel gear 509, first rotating shaft 501, second shift gears duplicate gear 508 little gear The second rotating shaft 502 is transferred to four gear gears 506.Neutral is to change the first gearshift duplicate gear on the basis of forward gear 507 sliding position, i.e., the first straight trip gear pull-fork assembly 513 drive the first gearshift duplicate gear 507 to slide into and first gear 503 and second gear 504 do not engage, now input bevel gear 511 power be delivered to first rotating shaft 501 after be no longer transferred to Second rotating shaft 502.In the gear to reverse gear, the first straight trip gear pull-fork assembly 513 drives the first gearshift duplicate gear 507 to slide into Do not engaged with first gear 503 and second gear 504, the second straight trip gear pull-fork assembly 514 drives the second gearshift duplicate gear 508 slide into three gear gears 505 and four keep off gears 506 do not engage, back fork component 515 drive reverse gear 512 with Second gear 504 engages, and inputs the power of bevel gear 511 successively through bevel gear 510 of reversing gear, reverse gear 512 and second gear 504 are transferred to the second rotating shaft 502.
In the more gear rotating speed change gears of twin shaft of the present embodiment, straight trip gear bevel gear 509 and bevel gear 510 of reversing gear are adopted With coaxial design, forward gear and the power transmission reversed gear are carried out respectively, reverse gear mechanism is greatly simplify, reduces axle and gear Quantity, improve structural compactness and reduce cost;Also, using straight trip gear bevel gear 509 and 510 liang of bevel gear of reversing gear Individual bevel gear engages with input bevel gear 511, can preferably balance due to axial force caused by bevel gear engaged transmission, reduce The axial motion of first rotating shaft 501;Have compared to existing logical function gear, the more gear rotating speed change gears of the twin shaft The advantages that axle and gear quantity are few, simple and compact for structure, in light weight, velocity adaptive scope is wide, manufacturing cost is low, easy for installation, It can be widely applied in the transmission system of caterpillar tractor.
After above-mentioned more gear rotating switching mechanisms are combined with height quick change retaining device, 2 × 4 totally 8 can be further realized Forward gear, a high speed are reversed gear, a low speed reverses gear and neutral, namely height quick change retaining device moves under high-speed drive state Power can realize the different forward gear of four gearratios and a height through height quick change retaining device and more gear rotating switching mechanisms Speed is reversed gear, and height quick change retaining device under Low transmission state, through height quick change retaining device and more gear rotatings change by power Mechanism can realize that the different forward gear of four additional gearratio and a low speed reverse gear.Using more gear rotating switching mechanisms with After the combination of height quick change retaining device, its gear is reasonable in design, easy to operate, can well adapt to each operating mode operation speed of agricultural machinery The requirement of degree.
In the present embodiment, as shown in Figures 2 and 3, the first straight trip gear straight trip gear pull-fork assembly 514 of pull-fork assembly 513, second Include shift fork 521 and the shifting shaft 522 being slidedly arranged on casing 100 with back fork component 515, shift fork 521 is fixed in gearshift On axle 522, shifting shaft 522 and one slides actuator(Do not show in figure)It is connected, prior art can be used by sliding actuator, such as Manual gear shift mechanism of telescopic cylinder, telescopic oil cylinder and existing speed changer etc..Preferably, first straight trip gear pull-fork assembly 513, Second straight trip gear pull-fork assembly 514 and back fork component 515 set an independent shifting shaft 522 respectively, namely first straight The row gear straight trip of pull-fork assembly 513, second gear pull-fork assembly 514 and back fork component 515 include independent shift fork 521 and changed Gear shaft 522.In other embodiments, the first straight trip gear straight trip of pull-fork assembly 513, second gear pull-fork assembly 514 and back fork Component 515 can also use the pull-fork assembly of existing other forms.
Further, shifting shaft 522 is slidably installed in the slide being fixed on casing 100, between shifting shaft 522 and slide also Provided with gearshift elastic positioning member, for being positioned under each shifting state to shift fork 521;Specifically, gearshift is flexibly positioned Component includes compressing steel ball and stage clip, and slide is provided with counterbore of the opening towards shifting shaft 522, and stage clip and compression steel ball fill successively It is located in the counterbore and stage clip makes compression steel ball be close to shifting shaft 522, shifting shaft 522 is provided with multiple for being pressed into compression steel The positioning counterbore of pearl.When shift fork 521 slides control respective gears and is under each shifting state, compress steel ball and just correspond to pressure Enter in one of positioning counterbore, shift fork 521 is positioned under the shifting state so as to realize, prevents that shift fork 521 is random It is mobile.By taking the first straight trip gear pull-fork assembly 513 as an example, corresponding first straight trip gear pull-fork assembly 513 is provided with three on shifting shaft 522 Individual positioning counterbore, when shift fork 521, which is in, the first gearshift duplicate gear 507 is engaged with first gear 503, compress steel ball just It is pressed into first positioning counterbore, when shift fork 521, which is in, the first gearshift duplicate gear 507 is engaged with second gear 504, pressure Tight steel ball is just pressed into second positioning counterbore, makes the first gearshift duplicate gear 507 and first gear when shift fork 521 is in 503 and second gear 504 when not engaging, compress steel ball and be just pressed into the 3rd positioning counterbore.
In the present embodiment, the first gearshift duplicate gear 507, second gearshift duplicate gear 508 and reverse gear 512 are equipped with Neck, shift fork 521 corresponding to the first gearshift duplicate gear 507 are U-shaped in the neck of the first gearshift duplicate gear 507 provided with being fastened in Card, shift fork 521 corresponding to the second gearshift duplicate gear 508 are U-shaped in the neck of the second gearshift duplicate gear 508 provided with being fastened in Card, shift fork 521 corresponding to reverse gear 512, which is provided with, is fastened in U-shaped card in the neck of reverse gear 512, and shift fork 521 is along gearshift Axle 522 can accordingly stir the first gearshift duplicate gear 507, second gearshift duplicate gear 508 and the edge of reverse gear 512 when sliding First rotating shaft 501 is slided.This kind of shift fork 521, which is connected the structure type coordinated with respective gears, has simple in construction, making assembling Easily, the advantages of stable and reliable in work.
In the present embodiment, power output gear 601 is also installed with the second rotating shaft 502, for being nibbled with outer gear Close output power.Power output gear 601 is arranged in the second rotating shaft 502 by spline fitted, and first gear 503, two keeps off tooth The gear gear 505, four of wheel 504, three keeps off gear 506 and power output gear 601 is entered in the second rotating shaft 502 by bushing and bearing Row axially position.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to Above-described embodiment.To those of ordinary skill in the art, the gained under the premise of the utility model technical concept is not departed from To modifications and variations also should be regarded as the scope of protection of the utility model.

Claims (8)

1. a kind of more gear rotating speed change gears of twin shaft, including casing(100)And it is mounted side by side on casing(100)In One rotating shaft(501)With the second rotating shaft(502), the first rotating shaft(501)With the second rotating shaft(502)Between be provided with more gears it is positive and negative Walk around converting mechanism, it is characterised in that:More gear rotating switching mechanisms include straight trip gear bevel gear(509), reverse gear cone tooth Wheel(510), the input bevel gear that is connected with power source(511)And installed in the second rotating shaft(502)On multiple power input Gear, the first rotating shaft(501)Be provided with can by conversion be engaged with any one in multiple power input gears or With the out of mesh gear type gearshift component of multiple power input gears, the straight trip gear bevel gear(509)It is fixedly installed in One rotating shaft(501)On, the bevel gear of reversing gear(510)Rotatably it is sheathed on first rotating shaft(501)On, the straight trip gear cone tooth Wheel(509)With bevel gear of reversing gear(510)It is divided into input bevel gear(511)Both sides and with input bevel gear(511)Engagement, institute State bevel gear of reversing gear(510)Upper slip be provided with can be engaged with least one in multiple power input gears by sliding or With the out of mesh reverse gear of multiple power input gears(512), more gear rotating switching mechanisms are also including being used for Drive reverse gear(512)The back fork component of slip(515).
2. the more gear rotating speed change gears of twin shaft according to claim 1, it is characterised in that:Multiple power input gears Respectively first gear(503), second gear(504), three gear gears(505)With four gear gears(506), the first gear (503), second gear(504), three gear gears(505)With four gear gears(506)It is fixedly mounted on the second rotating shaft(502)On, institute Stating gear type gearshift component includes the first gearshift duplicate gear(507)With the second gearshift duplicate gear(508), first gearshift Duplicate gear(507)It is slidedly arranged on first rotating shaft(501)Above and one and first gear can be selected by sliding(503)And second gear (504)Engagement or and first gear(503)And second gear(504)Do not engage, the second gearshift duplicate gear(508) It is slidedly arranged on first rotating shaft(501)Above and one and three gear gears can be selected by sliding(505)With four gear gears(506)Engagement or with Three gear gears(505)With four gear gears(506)Do not engage, the gear type gearshift component also includes being used to drive the first gearshift Duplicate gear(507)The the first straight trip gear pull-fork assembly slided(513)With for driving the second gearshift duplicate gear(508)Slide Second straight trip gear pull-fork assembly(514).
3. the more gear rotating speed change gears of twin shaft according to claim 2, it is characterised in that:The first straight trip gear is dialled Pitch component(513), second straight trip gear pull-fork assembly(514)With back fork component(515)Include shift fork(521)Be slidedly arranged on Casing(100)On shifting shaft(522), the shift fork(521)It is fixed in shifting shaft(522)On, the shifting shaft(522)With one Actuator is slided to be connected.
4. the more gear rotating speed change gears of twin shaft according to claim 3, it is characterised in that:The first straight trip gear is dialled Pitch component(513), second straight trip gear pull-fork assembly(514)With back fork component(515)A piece independent gearshift is set respectively Axle(522).
5. the more gear rotating speed change gears of twin shaft according to claim 3, it is characterised in that:The shifting shaft(522) It is slidably installed in and is fixed in casing(100)On slide in, the shifting shaft(522)Flexibly positioned group of gearshift is additionally provided between slide Part.
6. the more gear rotating speed change gears of twin shaft according to claim 5, it is characterised in that:The gearshift is flexibly positioned Component includes compressing steel ball and stage clip, and the slide is provided with opening towards shifting shaft(522)Counterbore, stage clip and compress steel ball according to It is secondary to be installed in the counterbore and stage clip makes compression steel ball be close to shifting shaft(522), the shifting shaft(522)It is provided with multiple use The positioning counterbore of steel ball is compressed in press-in.
7. the more gear rotating speed change gears of twin shaft according to claim 3, it is characterised in that:The first gearshift duplex Gear(507), second gearshift duplicate gear(508)With bevel gear of reversing gear(510)It is equipped with neck, the first gearshift duplex-gear Wheel(507), second gearshift duplicate gear(508)With bevel gear of reversing gear(510)Corresponding shift fork(521)Provided with being fastened in the card U-shaped card in groove.
8. the more gear rotating speed change gears of twin shaft according to any one of claim 1 to 7, it is characterised in that:It is described Second rotating shaft(502)On be installed with power output gear(601).
CN201720288959.9U 2017-03-23 2017-03-23 A kind of more gear rotating speed change gears of twin shaft Withdrawn - After Issue CN206694510U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106763553A (en) * 2017-03-23 2017-05-31 湖南农业大学 A kind of many gear rotating speed change gears of twin shaft
CN113280110A (en) * 2021-07-06 2021-08-20 曾昭达 Power conversion device of gear shifting mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106763553A (en) * 2017-03-23 2017-05-31 湖南农业大学 A kind of many gear rotating speed change gears of twin shaft
CN113280110A (en) * 2021-07-06 2021-08-20 曾昭达 Power conversion device of gear shifting mechanism

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