CN205877161U - Manipulation structure of shifting changes speed - Google Patents
Manipulation structure of shifting changes speed Download PDFInfo
- Publication number
- CN205877161U CN205877161U CN201620859982.4U CN201620859982U CN205877161U CN 205877161 U CN205877161 U CN 205877161U CN 201620859982 U CN201620859982 U CN 201620859982U CN 205877161 U CN205877161 U CN 205877161U
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- gear
- gearshift
- shifting
- selecting
- drag link
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Abstract
The utility model relates to a manipulation structure of shifting changes speed, include: the variable speed mobile jib, the one end of variable speed mobile jib is provided with the handle for control is selected the gear section and/or is shifted, selection shelves drag link mechanism, selection shelves drag link mechanism swing joint in the other end of variable speed mobile jib, the drag link mechanism of shifting, shift drag link mechanism swing joint in the other end of variable speed mobile jib, selection shelves mechanism, a selection shelves mechanism connect in selection shelves drag link mechanism, the gearshift, the gearshift connect in shift drag link mechanism, a selection shelves mechanism, dial and keep off the mechanism, dial to keep off the swing joint of mechanism in the gearshift. The utility model discloses well manipulation structure of shifting changes speed has structure simplification, integrated level height, good reliability, convenient operation, with low costs and transmission route than end, high transmission efficiency, fault rate low grade advantage.
Description
Technical field
This utility model relates to Automatic transmission device field, espespecially a kind of gear shift handle structure.
Background technology
Tractor is for drawing and driving Work machine to complete the self-propelled motor machine of every mobile operation.By starting
Machine, transmission, walk, turn to, the output of hydraulic suspension, power, electrical instrumentation, system or the device composition such as riding manipulation and traction.
Tractor in traction with when driving Work machine to complete every operation, its working environment, road conditions, draw, driving etc.
Condition all can there are differences, and therefore, the shifting operating device in tractor is usually arranged as many grades.Existing shift control fills
Putting, including main transformer quick change retaining device and secondary gear shift mechanism, wherein, main transformer quick change retaining device and secondary gear shift mechanism are respectively
It is independently arranged.
But, there is structure complexity, poor reliability in this shifting operating device, cost is high and drive path is longer, transmission
The defects such as efficiency is low, fault rate is high.
Utility model content
The purpose of this utility model is to provide a kind of gear shift handle structure, can solve present in shifting operating device
The defects such as structure complexity, poor reliability, cost are high and drive path is longer, transmission efficiency is low, fault rate is high.
The technical scheme that this utility model provides is as follows:
A kind of gear shift handle structure that this utility model provides, including: speed change mobile jib, one end of described speed change mobile jib
It is provided with handle, is used for controlling gear selecting position section and/or gearshift；Gear selecting drag link mechanism, described gear selecting drag link mechanism is movably connected on
The other end of described speed change mobile jib；When described speed change mobile jib performs gear selecting position section, described speed change mobile jib drives described gear selecting to draw
Linkage action；Gearshift drag link mechanism, described gearshift drag link mechanism is movably connected on the other end of described speed change mobile jib；When described
When speed change mobile jib performs gearshift, described speed change mobile jib drives described gearshift drag link mechanism action；Gear selection mechanism, described gear selection mechanism
Being connected to described gear selecting drag link mechanism, described gear selecting drag link mechanism drives described gear selection mechanism to perform gear selecting position section drive actions；
Gearshift, described gearshift is connected to described gearshift drag link mechanism, gear selection mechanism, and described gear selection mechanism drives described gearshift
When mechanism is in described gear section, described gearshift drag link mechanism drives described gearshift to perform gearshift in described gear section and drives
Dynamic action；Dialling retaining device, described group of retaining device is movably connected on described gearshift, and described gearshift drives described group of gear machine
Structure is in described gear section, and described gearshift also drives described retaining device of dialling to perform to dial gear action in described gear section.
Further, described gear selection mechanism includes that shift selecting rocking arm and the fixed support and the gear selecting that are arranged in change speed gear box are dialled
Head；Described shift selecting rocking arm rotates and is arranged on described fixed support, and described gear selecting shifting block is set in one end of described shift selecting rocking arm,
The other end of described shift selecting rocking arm is connected to described gear selecting drag link mechanism.
Further, described gearshift includes the shifting shaft being arranged in described change speed gear box, gear-shifting rocker arm and be arranged on institute
State the gear shifting pulling head outside change speed gear box；Being provided with gear selecting groove on described shifting shaft, described gear selecting shifting block slides in described gear selecting groove,
And promote the movement axially along of described shifting shaft to carry out gear selecting position section；One end of described shifting shaft is connected to described gear-shifting rocker arm
One end, it is outer and be connected to described gearshift drag link mechanism that the other end of described gear-shifting rocker arm stretches out described change speed gear box；Described gearshift
The other end of axle is connected to described gear shifting pulling head, and described gear-shifting rocker arm drives described shifting shaft to change around its axial rotation
Gear.
Further, the described group of retaining device includes first deflecting fork, the first shift fork axle, second deflect fork and the second shift fork axle,
Described first deflects fork and is movably set on described first shift fork axle, and described first deflects fork and be provided with first group of retaining groove；Institute
State gear shifting pulling head to move in described first group of retaining groove, order about described first and deflect fork the axial shifting along described first shift fork axle
Dynamic, shift gears in described gear section；Described second deflects fork and is movably set on described second shift fork axle, described the two the second groups
It is provided with second group of retaining groove on gear fork；Described first group of retaining groove is disposed adjacent with described second group of retaining groove, and described gear shifting pulling head exists
Slip gear selecting position section between described first group of retaining groove and second group of retaining groove；Described gear shifting pulling head moves in described second group of retaining groove
Dynamic, order about described second and deflect fork moving axially along described second shift fork axle, shift gears in described gear section.
Further, this gear shift handle structure, also include: pedestal, connecting shaft and axle sleeve, described connecting shaft is fixedly installed
On described pedestal, described axle sleeve is rotatably set in described connecting shaft；Described speed change mobile jib is by installing adnexa activity even
It is connected to described axle sleeve；Described speed change mobile jib, along when moving axially of described connecting shaft, drives described gear selecting drag link mechanism action；
Described gearshift drag link mechanism is connected to described axle sleeve, when described speed change mobile jib is around the axial rotation of described connecting shaft, drives institute
State gearshift action.
Further, described gearshift drag link mechanism includes shift gears pull bar, the first gearshift connecting plate and the second gearshift connecting plate, institute
Connecting plate level connection joint is shifted gears in described axle sleeve by described first in the one end stating gearshift pull bar；The other end of described gearshift pull bar
By described second gearshift connecting plate level connection joint in described gearshift.
Further, described gear selecting drag link mechanism includes that bending-like gear selecting pull bar, the first gear selecting connecting plate and the second gear selecting are even
Fishplate bar, one end of described gear selecting pull bar is vertically connected to described speed change mobile jib by described first gear selecting connecting plate；Described gear selecting
The other end of pull bar by described second gear selecting connecting plate level connection joint in described gear selection mechanism.
Further, described shifting shaft is disposed with the first connecting portion, the second connection away from the side of described gear shifting pulling head
Portion, described second connecting portion in described first connecting portion away from the side of described gear shifting pulling head；Described first connecting portion stretches into
In described gear-shifting rocker arm, and described first connecting portion is flexibly connected between described gear-shifting rocker arm；Arrange in described gear-shifting rocker arm
Having back-up ring, described second connecting portion passes described back-up ring away from one end of described first connecting portion, and can be axially along in institute
Slide in stating back-up ring.
Further, this gear shift handle structure, also include: baffle plate and plain washer, described baffle plate is by return spring even
It is connected to described plain washer；Described baffle plate is located on described second connecting portion the side near described back-up ring, and described plain washer is arranged
Near the side of described first connecting portion on described second connecting portion.
Further, described change speed gear box is detachably provided with gearshift baffle plate and gearshift postive stop baffle, on described gear-shifting rocker arm
It is provided with the stopper slot snapping in described gearshift postive stop baffle；It is additionally provided with gear selecting limiting plate on described change speed gear box, is used for limiting institute
State the slewing area of gear selecting drag link mechanism.
A kind of gear shift handle structure provided by this utility model, it is possible to bring at least one useful effect following
Really:
1, this utility model utilizes the action in different directions of speed change mobile jib, realizes the control of gear selecting position section and gearshift
System；When performing gear selecting position section, speed change mobile jib drives gear selecting drag link mechanism action, and gear selecting drag link mechanism drives gear selection mechanism changing
Gear selecting position section in retaining device；Gearshift drives group retaining device to be in this gear section；When performing gearshift, speed change mobile jib drives
Gearshift drag link mechanism action, gearshift drag link mechanism drives gearshift to perform gearshift in gear section and drives, and gearshift drives
Dial retaining device to shift gears in gear section.This gear shift handle structure have structure simplify, integrated level high, highly reliable, operation
Conveniently, the advantage such as low cost and drive path is relatively held, transmission efficiency height, failure rate is low.
2, in this utility model, gear selection mechanism includes shift selecting rocking arm, fixed support, gear selecting shifting block, at gear selecting drag link mechanism
Under effect, drive shift selecting rocking arm to rotate on fixed support, thus drive gear selecting shifting block to rotate, thus stir gearshift, make
Obtain gearshift to be in a certain preset gear section；This simple in construction, it is reliably achieved initial option gear section action.
3, in this utility model, gearshift includes shifting shaft, gear-shifting rocker arm, gear shifting pulling head, and gear selecting shifting block is on shifting shaft
Gear selecting groove in move, promote shifting shaft carry out gear selecting position section；Under the effect of gearshift drag link mechanism, gear-shifting rocker arm is driven to drive
Gear shifting pulling head is shifted gears in this gear section, thus realizes accurately gear shift operation.
4, this utility model is dialled retaining device and perform concrete gear shifting action；Under gear selection mechanism effect, gearshift is driven to dial
Head is to slide into second group of retaining groove from first group of retaining groove, or slides into first group of retaining groove from second group of retaining groove, carries out gear selecting position
Section；Under the effect of gearshift drag link mechanism, driving gear shifting pulling head is in first group of retaining groove or second group of retaining groove, by first group of gear
Fork or second deflects fork and performs concrete gear shifting action.
5, pedestal, connecting shaft, axle sleeve in this utility model, it is possible to achieve speed change mobile jib action in two different directions,
Control gear selecting position section and gearshift；This simple in construction, highly reliable.
6, this utility model controls gear selecting pull bar and gearshift pull bar by a speed change mobile jib, there is easy to operate, knot
Structure is simple, reduce the advantage taken up room, and owing to the usable floor area on tractor is limited, structure design is the least, be more conducive to be
Driver provides a spaciousness, comfortable operating environment.
7, this utility model is provided with two connecting portions on shifting shaft, logical between one of them connecting portion and gear-shifting rocker arm
Cross key to be flexibly connected；Another connecting portion is movably connected on back-up ring, and elastic connection between the two, and shifting shaft performs gear selecting position
Duan Hou, returns back to initial position, it is simple to perform gear selecting position section action next time.
8, gearshift limiting plate in this utility model, can limit gear-shifting rocker arm action in preset range, to improve work
Reliability；Gear selecting limiting plate, can limit the rotation amplitude of shift selecting rocking arm, thus prevent shift selecting rocking arm rotation amplitude excessive,
Make gear selecting shifting block depart from gear selecting groove, thus ensure that it is properly functioning.
Accompanying drawing explanation
Below by the way of the most understandable, accompanying drawings preferred implementation, to a kind of gear shift manipulation knot
Above-mentioned characteristic, technical characteristic, advantage and the implementation thereof of structure are further described.
Fig. 1 is the structural representation of a kind of gear shift handle structure in this utility model；
Fig. 2 is a kind of gear selecting structural representation of gear shift handle structure in this utility model；
Fig. 3 is the another kind of gear selecting structural representation of gear shift handle structure in this utility model；
Fig. 4 is the side sectional view of this utility model gear selection mechanism, gearshift；
Fig. 5 is the vertical view cutaway drawing of this utility model gear selection mechanism, gearshift；
Fig. 6 is the structural representation of shift selecting rocking arm in this utility model；
Fig. 7 is the sectional view of gear selecting shifting block in this utility model；
Fig. 8 is the structural representation of shifting shaft in this utility model；
Fig. 9 is the sectional view of shifting shaft in this utility model；
Figure 10 is the sectional view of gear-shifting rocker arm in this utility model.
Drawing reference numeral illustrates:
10 speed change mobile jib 11 pedestal 12 connecting shafts
13 axle sleeves
20 gear selecting drag link mechanism 21 first gear selecting connecting plate 22 gear selecting pull bars
23 second gear selecting connecting plate 24 joint ball bearings
30 gearshift drag link mechanisms 31 first gearshift connecting plates 32 are shifted gears pull bar
33 second gearshift connecting plates
40 change speed gear boxes 41 baffle plate 42 of shifting gears is shifted gears postive stop baffle
43 gear selecting limiting plate 44 oil sealing 45 screws
50 gear selection mechanism 51 shift selecting rocking arm 52 fixed supports
53 gear selecting shifting blocks
60 gearshift 61 shifting shaft 62 gear-shifting rocker arms
63 gear shifting pulling head 64 back-up ring 65 baffle plates
66 plain washer 67 return spring 611 gear selecting grooves
612 first connecting portion 613 second connecting portion 614 spacers
615 lining 621 stopper slots
70 groups of retaining devices 71 first deflect fork 72 first shift fork axles
73 first groups of retaining grooves 74 second deflect fork 75 second shift fork axles
76 second groups of retaining grooves
Detailed description of the invention
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, accompanying drawing will be compareed below
Detailed description of the invention of the present utility model is described.It should be evident that the accompanying drawing in describing below is only of the present utility model one
A little embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these
Accompanying drawing obtains other accompanying drawing, and obtains other embodiment.
For making simplified form, only schematically show the part relevant to this utility model in each figure, they are also
Do not represent its practical structures as product.It addition, so that simplified form readily appreciates, have in some figure identical structure or
The parts of function, only symbolically depict one of them, or have only marked one of them.In this article, " one " no
Only represent " only this ", it is also possible to represent the situation of " more than one ".
As shown in Fig. 1～Fig. 5, according to an embodiment of the present utility model, a kind of gear shift handle structure, including:
Speed change mobile jib 10, one end of described speed change mobile jib 10 is provided with handle, is used for controlling gear selecting position section and/or gearshift；Gear selecting pull bar
Mechanism 20, described gear selecting drag link mechanism 20 is movably connected on the other end of described speed change mobile jib 10；When described speed change mobile jib 10 is held
During row gear selecting position section, described speed change mobile jib 10 drives the action of described gear selecting drag link mechanism 20；Gearshift drag link mechanism 30, described gearshift
Drag link mechanism 30 is movably connected on the other end of described speed change mobile jib 10；When described speed change mobile jib 10 performs gearshift, described change
Speed mobile jib 10 drives the action of described gearshift drag link mechanism 30；Gear selection mechanism 50, described gear selection mechanism 50 is connected to described gear selecting and draws
Linkage 20, described gear selecting drag link mechanism 20 drives described gear selection mechanism 50 to perform gear selecting position section drive actions；Gearshift 60,
Described gearshift 60 is connected to described gearshift drag link mechanism 30, gear selection mechanism 50, and described gear selection mechanism 50 drives described gearshift
When mechanism 60 is in described gear section, described gearshift drag link mechanism 30 drives described gearshift 60 to perform in described gear section
Gearshift drive actions；Dialling retaining device 70, described group of retaining device 70 is movably connected on described gearshift 60, described gearshift 60
Driving described retaining device 70 of dialling to be in described gear section, described gearshift 60 also drives described retaining device 70 of dialling at described shelves
Perform to dial gear action in the section of position.
As it is shown in figure 1, for the improvement of above-described embodiment, in the present embodiment, this gear shift handle structure, also include:
Pedestal 11, connecting shaft 12 and axle sleeve 13, described connecting shaft 12 is fixedly installed on described pedestal 11, and described axle sleeve 13 rotatably overlaps
It is located in described connecting shaft 12；Described speed change mobile jib 10 is movably connected on described axle sleeve 13 by installing adnexa；Described speed change master
Bar 10, along when moving axially of described connecting shaft 12, drives the action of described gear selecting drag link mechanism 20；Described gearshift drag link mechanism
30 are connected to described axle sleeve 13, when described speed change mobile jib 10 is around the axial rotation of described connecting shaft 12, drive described gearshift machine
Structure 60 action.
As it is shown in figure 1, for the improvement of above-described embodiment, in the present embodiment, described gear selecting drag link mechanism 20 includes secondary
Bending-like gear selecting pull bar 22, " L " shape the first gear selecting connecting plate 21 and the second gear selecting connecting plate 23；One end of described gear selecting pull bar 22
One end of described first gear selecting connecting plate 21, the other end of described first gear selecting connecting plate 21 it is connected to by joint ball bearing 24
Vertically it is connected to described speed change mobile jib 10；The other end of described gear selecting pull bar 22 is connected to described second by joint ball bearing 24
One end of gear selecting connecting plate 23, the other end level connection joint of described second gear selecting connecting plate 23 is in described gear selection mechanism 50.
As it is shown in figure 1, for the improvement of above-described embodiment, in the present embodiment, described gearshift drag link mechanism 30 includes gearshift
Pull bar 32, secondary bending-like first are shifted gears connecting plate 31 and the second gearshift connecting plate 33；One end of described gearshift pull bar 32 is vertical
Being connected to one end of described first gearshift connecting plate 31, the other end level connection joint of described first gearshift connecting plate 31 is in described axle
Set 13；The other end of described gearshift pull bar 32 is vertically connected to one end of described second gearshift connecting plate 33, described second gearshift
The other end level connection joint of connecting plate 33 is in described gearshift 60.
As shown in Figure 2 to 4, for the improvement of above-described embodiment, in the present embodiment, described change speed gear box 40 passes through screw
45 are detachably provided with gearshift baffle plate 41 and gearshift postive stop baffle 42, described gear-shifting rocker arm 62 is provided with and snaps in described gearshift limit
The stopper slot of position baffle plate 42；It is additionally provided with gear selecting limiting plate 43 on described change speed gear box 40, is used for limiting described gear selecting drag link mechanism
The slewing area of 20.The junction of described change speed gear box 40 and described gear-shifting rocker arm 62 is provided with oil sealing 44, described change speed gear box 40 with
The junction of described shift selecting rocking arm 51 is provided with oil sealing 44；Thus prevent the internal generation corrosion of gear selection mechanism 50, gearshift 60,
Extend its service life.
As shown in Figure 2 to 7, for the improvement of above-described embodiment, in the present embodiment, described gear selection mechanism 50 includes gear selecting
Rocker arm 51 and be arranged on the fixed support 52 in described change speed gear box 40 and gear selecting shifting block 53；Described shift selecting rocking arm 51 rotates and sets
Putting on described fixed support 52, described gear selecting shifting block 53 is set in one end of described shift selecting rocking arm 51, described gear selecting shifting block 53
Being connected for spline with between described shift selecting rocking arm 51, its spline structure is the compactest reliably, saves space, improves gearshift
Reliability；It addition, deformation is less likely to occur, thus avoid the occurrence of random shelves phenomenon；The other end of described shift selecting rocking arm 51 is connected to
The second gear selecting connecting plate 23 in described gear selecting drag link mechanism 20.
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 8, Fig. 9, Figure 10, for the improvement of above-described embodiment, in the present embodiment, institute
State the shifting shaft 61 that gearshift 60 includes being arranged in described change speed gear box 40, gear-shifting rocker arm 62 and be arranged on described change speed gear box 40
Outer gear shifting pulling head 63；Being provided with gear selecting groove 611 on described shifting shaft 61, described gear selecting shifting block 53 is in described gear selecting groove 611
Slide, and promote the movement axially along of described shifting shaft 61 to carry out gear selecting position section；One end of described shifting shaft 61 is connected to institute
Stating one end of gear-shifting rocker arm 62, the other end of described gear-shifting rocker arm 62 stretches out outside described change speed gear box 40 and is connected to described gearshift
Drag link mechanism 30；The other end of described shifting shaft 61 is connected to described gear shifting pulling head 63, described gear-shifting rocker arm 62 drive described in change
Gear shaft 61 is shifted gears around its axial rotation.
Further, described shifting shaft 61 away from the side of described gear shifting pulling head 63 be disposed with the first connecting portion 612,
Two connecting portions 613, described second connecting portion 613 is positioned at described first connecting portion 612 side away from described gear shifting pulling head 63；Institute
State the first connecting portion 612 to stretch in described gear-shifting rocker arm 62, and between described first connecting portion 612 and described gear-shifting rocker arm 62 be
Spline connects；Its spline structure is the compactest reliably, saves space, improves the reliability of gearshift；It addition, be less likely to occur
Deformation, thus avoid the occurrence of random shelves phenomenon；The sky for described second connecting portion 613 activity it is provided with in described gear-shifting rocker arm 62
Chamber；Being provided with back-up ring 64 in described gear-shifting rocker arm 62, described second connecting portion 613 is away from one end of described first connecting portion 612
Through described back-up ring 64, and can slide in described back-up ring 64 axially along.
This gear shift handle structure, also includes: baffle plate 65 and plain washer 66, and described baffle plate 65 is by return spring 67 even
It is connected to described plain washer 66；Described baffle plate 65 is located on described second connecting portion 613 side near described back-up ring 64, described flat
Packing ring 66 is arranged on described second connecting portion 613 side near described first connecting portion 612.Described shifting shaft 61 is near institute
The side stating gear shifting pulling head 63 is arranged with spacer 614, lining 615 successively.
As shown in Fig. 1～Fig. 5, for the improvement of above-described embodiment, in the present embodiment, described group of retaining device 70 includes first
Deflecting fork the 71, first shift fork axle 72, second deflect fork 74 and the second shift fork axle 75, wherein, first deflects fork 71 is arranged on one or two
In gear section, for one or two grades of gearshifts；Second deflects fork 74 is arranged in three or four gear sections, for three fourth gear gearshifts；Institute
Stating first to deflect fork 71 and be movably set on described first shift fork axle 72, described first deflects fork and is provided with first group of retaining groove on 71
73；Described gear shifting pulling head 63 moves in described first group of retaining groove 73, orders about described first and deflects fork 71 along described first group
Moving axially of fork shaft 72, changes one grade or two gears into, as shown in Figure 2 in one or two gear sections.
Described second deflects fork 74 is movably set on described second shift fork axle 75, and described the two the second deflect fork and set on 74
It is equipped with second group of retaining groove 76；Described first group of retaining groove 73 is disposed adjacent with described second group of retaining groove 76, and described gear shifting pulling head 63 exists
Slide between described first group of retaining groove 73 and second group of retaining groove 76 and select one or two gear sections or three or four gear sections；Described gear shifting pulling head 63
Move in described second group of retaining groove 76, order about described second and deflect fork 74 moving axially along described second shift fork axle 75,
Three gears or four gears are changed into, as shown in Figure 3 in three or four gear sections.
In sum, new gear shift handle structure, enormously simplify structure, high lubricating effect, parts are not easy
Deformation or damage, use spline drived, shift gears relatively reliable.It addition, gear selection mechanism 50 and gearshift 60 all concentrate on speed change
In case 40, select spline fitted to carry out transmitting movement simultaneously, the most effectively simplified handle structure, and improve gear shift machine
The reliability of structure.
It should be noted that, above-described embodiment all can independent assortment as required.The above is only of the present utility model
Preferred implementation, it is noted that for those skilled in the art, without departing from this utility model principle
On the premise of, it is also possible to making some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a gear shift handle structure, it is characterised in that including:
Speed change mobile jib, one end of described speed change mobile jib is provided with handle, is used for controlling gear selecting position section and/or gearshift；
Gear selecting drag link mechanism, described gear selecting drag link mechanism is movably connected on the other end of described speed change mobile jib；As described speed change master
When bar performs gear selecting position section, described speed change mobile jib drives described gear selecting drag link mechanism action；
Gearshift drag link mechanism, described gearshift drag link mechanism is movably connected on the other end of described speed change mobile jib；As described speed change master
When bar performs gearshift, described speed change mobile jib drives described gearshift drag link mechanism action；
Gear selection mechanism, described gear selection mechanism is connected to described gear selecting drag link mechanism, and described gear selecting drag link mechanism drives described gear selecting
Mechanism performs gear selecting position section drive actions；
Gearshift, described gearshift is connected to described gearshift drag link mechanism, gear selection mechanism, and described gear selection mechanism drives described
When gearshift is in described gear section, described gearshift drag link mechanism drives described gearshift to perform to change in described gear section
Gear drive actions；
Dialling retaining device, described group of retaining device is movably connected on described gearshift, and described gearshift drives described group of retaining device
Being in described gear section, described gearshift also drives described retaining device of dialling to perform to dial gear action in described gear section.
Gear shift handle structure the most according to claim 1, it is characterised in that:
Described gear selection mechanism includes shift selecting rocking arm and the fixed support being arranged in change speed gear box and gear selecting shifting block；
Described shift selecting rocking arm rotates and is arranged on described fixed support, and described gear selecting shifting block is set in the one of described shift selecting rocking arm
End, the other end of described shift selecting rocking arm is connected to described gear selecting drag link mechanism.
Gear shift handle structure the most according to claim 2, it is characterised in that:
Described gearshift includes the shifting shaft being arranged in described change speed gear box, gear-shifting rocker arm and being arranged on outside described change speed gear box
Gear shifting pulling head；
Being provided with gear selecting groove on described shifting shaft, described gear selecting shifting block slides in described gear selecting groove, and promotes described shifting shaft
Move axially along and carry out gear selecting position section；
One end of described shifting shaft is connected to one end of described gear-shifting rocker arm, and the other end of described gear-shifting rocker arm stretches out described speed change
Case is outer and is connected to described gearshift drag link mechanism；
The other end of described shifting shaft is connected to described gear shifting pulling head, and described gear-shifting rocker arm drives described shifting shaft axial around it
Rotation is shifted gears.
Gear shift handle structure the most according to claim 3, it is characterised in that:
The described group of retaining device includes first deflecting fork, the first shift fork axle, second deflect fork and the second shift fork axle, described first group of gear
Fork is movably set on described first shift fork axle, and described first deflects fork and be provided with first group of retaining groove；Described gear shifting pulling head exists
Move in described first group of retaining groove, order about described first and deflect fork moving axially along described first shift fork axle, at described shelves
Gearshift in the section of position；
Described second deflects fork and is movably set on described second shift fork axle, and described second deflects fork and be provided with second group of gear
Groove；Described first group of retaining groove is disposed adjacent with described second group of retaining groove, and described gear shifting pulling head is at described first group of retaining groove and second
Dial slip gear selecting position section between retaining groove；Described gear shifting pulling head moves in described second group of retaining groove, orders about described second and deflects fork
Along moving axially of described second shift fork axle, shift gears in described gear section.
Gear shift handle structure the most according to claim 1, it is characterised in that also include:
Pedestal, connecting shaft and axle sleeve, described connecting shaft is fixedly installed on described pedestal, and described axle sleeve is rotatably set in described
In connecting shaft；
Described speed change mobile jib is movably connected on described axle sleeve by installing adnexa；Described speed change mobile jib is along the axle of described connecting shaft
When mobile, drive described gear selecting drag link mechanism action；
Described gearshift drag link mechanism is connected to described axle sleeve, when described speed change mobile jib is around the axial rotation of described connecting shaft, drives
Dynamic described gearshift action.
Gear shift handle structure the most according to claim 5, it is characterised in that:
Described gearshift drag link mechanism includes shift gears pull bar, the first gearshift connecting plate and the second gearshift connecting plate,
Connecting plate level connection joint is shifted gears in described axle sleeve by described first in one end of described gearshift pull bar；
The other end of described gearshift pull bar shifts gears connecting plate level connection joint in described gearshift by described second.
7. according to the gear shift handle structure described in any one in claim 1～6, it is characterised in that:
Described gear selecting drag link mechanism includes bending-like gear selecting pull bar, the first gear selecting connecting plate and the second gear selecting connecting plate,
One end of described gear selecting pull bar is vertically connected to described speed change mobile jib by described first gear selecting connecting plate；
The other end of described gear selecting pull bar by described second gear selecting connecting plate level connection joint in described gear selection mechanism.
8. according to the gear shift handle structure described in claim 3 or 4, it is characterised in that:
Described shifting shaft is disposed with the first connecting portion, the second connecting portion away from the side of described gear shifting pulling head, and described second
Connecting portion in described first connecting portion away from the side of described gear shifting pulling head；
Described first connecting portion stretches in described gear-shifting rocker arm, and between described first connecting portion and described gear-shifting rocker arm, activity connects
Connect；
Being provided with back-up ring in described gear-shifting rocker arm, described second connecting portion passes described gear away from one end of described first connecting portion
Circle, and can slide in described back-up ring axially along.
Gear shift handle structure the most according to claim 8, it is characterised in that also include:
Baffle plate and plain washer, described baffle plate is connected to described plain washer by return spring；
Described baffle plate is located on described second connecting portion the side near described back-up ring, and described plain washer is arranged on described second even
Connect the side near described first connecting portion in portion.
10. according to the gear shift handle structure described in claim 3 or 4, it is characterised in that:
Detachably it is provided with gearshift baffle plate and gearshift postive stop baffle on described change speed gear box, described gear-shifting rocker arm is provided with and snaps in institute
State the stopper slot of gearshift postive stop baffle；
Gear selecting limiting plate it is additionally provided with, for limiting the slewing area of described gear selecting drag link mechanism on described change speed gear box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345569A (en) * | 2017-08-21 | 2017-11-14 | 桂林科特机械有限责任公司 | The main variable-speed operating control mechanism of four-wheel tractor shaft transmission system gearbox |
| CN107830160A (en) * | 2017-11-30 | 2018-03-23 | 江苏沃得农业机械有限公司 | The secondary speed-change and gearshift operating mechanism of tractor |
| CN107859734A (en) * | 2017-12-09 | 2018-03-30 | 无锡松田豹机械科技有限公司 | Gear shift operation mechanism |
| CN114962619A (en) * | 2022-06-28 | 2022-08-30 | 福建盛海智能科技有限公司 | Automatic gearbox based on manual gearbox repacking |
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2016
- 2016-08-08 CN CN201620859982.4U patent/CN205877161U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345569A (en) * | 2017-08-21 | 2017-11-14 | 桂林科特机械有限责任公司 | The main variable-speed operating control mechanism of four-wheel tractor shaft transmission system gearbox |
| CN107830160A (en) * | 2017-11-30 | 2018-03-23 | 江苏沃得农业机械有限公司 | The secondary speed-change and gearshift operating mechanism of tractor |
| CN107859734A (en) * | 2017-12-09 | 2018-03-30 | 无锡松田豹机械科技有限公司 | Gear shift operation mechanism |
| CN114962619A (en) * | 2022-06-28 | 2022-08-30 | 福建盛海智能科技有限公司 | Automatic gearbox based on manual gearbox repacking |
| CN114962619B (en) * | 2022-06-28 | 2024-03-29 | 江苏盛海智能科技有限公司 | Automatic gearbox based on manual gearbox repacking |
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