Utility model content
The purpose of this utility model is the anti-roll system and vehicle for providing a kind of vehicle, to reduce anti-roll system
Production cost.
The utility model first aspect provides a kind of anti-roll system of vehicle, and the anti-roll system includes intercoupling
Two transmission devices, described two transmission devices are outstanding be arranged at left and right sides of the same vehicle bridge of the vehicle two respectively
Hang device is corresponding to be coupled, and the transmission device includes:
Switching mechanism, including output section, the switching mechanism and the corresponding suspension arrangement are coupled with by corresponding institute
The displacement that vibrations caused by suspension arrangement are converted to the output section is stated, the displacement of the output section fills with the corresponding suspension
The axis direction put has angle;
Swing arm, coupled with the switching mechanism and swing is produced with the displacement of the output section according to the switching mechanism;
Gear, coupled with the swing arm so that the swing of the swing arm to be converted to the rotation of the gear, also, described two
Two gear couplings of individual transmission device are with the rotation of mutual Transmission gear.
Further, the switching mechanism includes at least one of linkage, cam mechanism and hydraulic gear.
Further, the switching mechanism includes the linkage, and the linkage has first connecting portion, second
Connecting portion and the 3rd connecting portion, the first connecting portion are rotatably coupled with the corresponding suspension arrangement, and described second connects
Socket part is fixedly disposed relative to the first connecting portion, and is rotatably coupled with vehicle frame, the rotation of the second connecting portion
Axis is parallel with the pivot center of the first connecting portion, and the 3rd connecting portion forms the output section, and the of the swing arm
One end is connected with the 3rd connecting portion, the second end of the swing arm and the gear axis connection of the gear and the swing arm and institute
The line stated between first connecting portion and the 3rd connecting portion has angle, wherein, the first end of the swing arm and described the
Three connecting portions are rotatably coupled;And/or the second end of the swing arm is rotatably coupled with the gear shaft.
Further, the first end of the swing arm is rotatably coupled with the 3rd connecting portion by ball pivot.
Further, the 3rd connecting portion is provided with the first elongated hole, and the first end of the swing arm is positioned at the described first length
In hole, first elongated hole is used to be shifting of the swing arm relative to the 3rd connecting portion on the swaying direction of the swing arm
Dynamic offer activity surplus.
Further, the linkage includes first structure part and transmission rod, and the first connecting portion, described second connect
Socket part is arranged on the first structure part, and middle interconnecting piece, the first connecting portion, institute are additionally provided with the first structure part
State three apexes of second connecting portion and the middle interconnecting piece positioned at a triangle, the first end of the transmission rod and institute
State middle interconnecting piece to be rotatably coupled, the second end of the transmission rod has the 3rd connecting portion.
Further, the distance between the first connecting portion and the second connecting portion be more than the middle interconnecting piece with
The distance between described second connecting portion.
Further, the linkage includes the second structural member, the first connecting portion, the second connecting portion and institute
The 3rd connecting portion is stated to be respectively arranged on second structural member, and positioned at three apexes of a triangle, the swing arm
First end be rotatably coupled with the 3rd connecting portion and the 3rd connecting portion with the first end of the swing arm vertical
In having activity surplus relatively on the direction that the swing arm is swung.
Further, the distance between the first connecting portion and the second connecting portion be more than the 3rd connecting portion with
The distance between described second connecting portion.
Further, the switching mechanism includes cam mechanism, and the cam mechanism includes being connected to the suspension arrangement
On cam, the cam surface of the cam forms the output section, and the swing arm couples with the cam surface.
Further, the cam mechanism includes the 3rd structural member, the 3rd structural member respectively with the suspension arrangement
It is rotatably coupled with the vehicle frame of the vehicle, the cam is arranged on the 3rd structural member of institute.
Further, the switching mechanism includes cam mechanism, and the cam mechanism includes being connected to the suspension arrangement
On cam and the push rod that is mounted slidably of length direction of the vehicle frame along push rod relative to the vehicle, the of the push rod
One end slideably abuts with the cam surface of the cam, and the second end of the push rod forms the output section.
Further, the switching mechanism includes hydraulic gear, and the hydraulic gear is included relative to vehicle frame
The cylinder body of fixed setting slides the first of setting with the both ends for being respectively arranged at the cylinder body and relative to the inwall of the cylinder body
Piston and second piston, liquid filling body between the first piston and the second piston in the cylinder body, described first lives
Plug is coupled with the suspension arrangement, and the swing arm is coupled with the second piston to produce pendulum according to the displacement of the output section
It is dynamic.
Further, the cylinder body includes at least one section of bending section, the axis of the second piston and the first piston
Axis with angle to cause the axis direction of the displacement of the second piston and the suspension arrangement with angle.
Further, the sectional area of the first piston is more than the sectional area of the second piston.
Further, the rigidity of the anti-roll system is adjustably set.
Further, it is provided with the swing arm for being coupled with the switching mechanism and along the length of the swing arm
Multiple coupling parts of directional spreding, the switching mechanism are selectively coupled to adjust with one in the multiple coupling part
State the size of the torque of pinion rotation described in swing arm driving.
Further, on the direction close to the gear, the sectional area of the swing arm becomes larger.
Further, the transmission device also includes flexible member, and the first end of the flexible member is relative to the tooth
Wheel fixed setting, the second end of the flexible member are fixedly installed relative to the vehicle frame of the vehicle.
Further, the flexible member includes torsion spring, and the torsion spring set is located at the periphery of the gear shaft of the gear.
Further, the bevel gear that axis is fixedly installed relative to the car body of the vehicle centered on the gear, two
The bevel gear directly engages.
Further, the transmission device also includes being used for the gear installation base for installing the gear, the gear installation
Seat is fixedly installed on vehicle frame.
Further, the transmission device also includes the spacing knot of swing arm being fixedly installed relative to the vehicle frame of the vehicle
Structure, the swing arm position limiting structure limit the amplitude of fluctuation that the swing arm is swung.
Further, the swing arm position limiting structure includes being arranged at limit base on vehicle frame, and the limit base is provided with the
Two elongated holes, the swing arm are stretched into second elongated hole, and the both ends of the length direction of second elongated hole limit the swing arm pendulum
Dynamic amplitude of fluctuation.
The utility model second aspect provides a kind of vehicle, including is respectively arranged at left and right sides of the same vehicle bridge of vehicle
The anti-roll system for the vehicle that any one of two suspension arrangements and the utility model first aspect provide, the anti-roll system are set
It is placed between described two suspension arrangements.
Anti-roll system and vehicle based on vehicle provided by the utility model, the anti-roll system of vehicle include phase mutual coupling
Two transmission devices closed, two transmission devices, two suspension arrangements with being arranged at left and right sides of the same vehicle bridge of vehicle respectively
Corresponding coupling.Transmission device includes:Switching mechanism, including output section, switching mechanism and corresponding suspension arrangement are coupled with will be right
Vibrations caused by the suspension arrangement answered are converted to the displacement of output section, the axis side of the displacement of output section and corresponding suspension arrangement
To with angle.Swing arm, coupled with switching mechanism and swing is produced with the displacement of the output section according to switching mechanism.Gear, with pendulum
Arm coupling is so that the swing of swing arm to be converted to the rotation of gear, also, two gear couplings of two transmission devices are mutually to pass
Pass the rotation of gear.The anti-roll system of vehicle of the present utility model includes the transmission device of both sides and passed by gear engagement
Transmission device is simultaneously arranged to three switching mechanism, swing arm and gear modules by torque delivery, therefore is set by modularization, for
During the different vehicle of anti-inclination demand, by the characteristic of adjusting module anti-roll system can be made to be suitable for different vehicles,
Without producing entirely different anti-roll system, therefore the production of different anti-roll systems only needs a production line
It can complete, compared with needing to prepare different anti-roll bars by different production lines in the prior art, reduction is produced into
This.Also, it is defeated that anti-roll system of the present utility model sets switching mechanism to be converted to vibrations caused by corresponding suspension arrangement
Go out the displacement in portion and the displacement of output section has angle with the axis direction of corresponding suspension arrangement, so as to be beneficial to switching mechanism cloth
It is set to the position for being generally in left and right directions that the vibrations that vertical direction is generally in caused by suspension arrangement are converted to output section
Move, the displacement of left and right directions causes moment of torsion that part of the anti-roll system of the present utility model in addition to gear is born smaller or not
Moment of torsion is born, so as to reduce the requirement to the material of the part in anti-roll system to reduce cost.
It is of the present utility model other by referring to the drawings to the detailed description of exemplary embodiment of the present utility model
Feature and its advantage will be made apparent from.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.Based on the embodiment in the utility model, those of ordinary skill in the art are not having
There is the every other embodiment made and obtained under the premise of creative work, belong to the scope of the utility model protection.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step otherwise illustrated in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that each shown in accompanying drawing for the ease of description
The size of individual part is not to be drawn according to the proportionate relationship of reality.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as awarding
Weigh part for specification.In shown here and discussion all examples, any occurrence should be construed as merely example
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that:It is similar
Label and letter similar terms is represented in following accompanying drawing, therefore, once be defined in a certain Xiang Yi accompanying drawing, then with
It need not be further discussed in accompanying drawing afterwards.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
The anti-roll system of the vehicle of the utility model embodiment includes two transmission devices to intercouple, two transmissions
Device coupling corresponding with two suspension arrangements at left and right sides of the same vehicle bridge for being arranged in vehicle respectively.Transmission device includes:
Switching mechanism, including output section, switching mechanism are coupled with corresponding suspension arrangement so that corresponding suspension arrangement to be produced
Raw vibrations are converted to the displacement of output section, and the displacement of output section has angle with the axis direction of corresponding suspension arrangement.
Swing arm, coupled with switching mechanism and swing is produced with the displacement of the output section according to switching mechanism.
Gear, coupled with swing arm so that the swing of swing arm to be converted to the rotation of gear, also, two of two transmission devices
Gear coupling is with the rotation of mutual Transmission gear.
The transmission device of the anti-roll system of the vehicle of the utility model embodiment including both sides and by gear engagement come
Transmit moment of torsion and transmission device is arranged to three switching mechanism, swing arm and gear modules, different for anti-inclination demand
During vehicle, by the characteristic of adjusting module anti-roll system can be made to be suitable for different vehicles, different anti-roll systems
Production only need a production line to complete, different from needing to prepare by different production lines in the prior art is anti-
Roll bar is compared, and reduces production cost.Also, the anti-roll system of the utility model embodiment sets switching mechanism by corresponding to
Vibrations caused by suspension arrangement are converted to the displacement of output section and the axis direction of the displacement of output section and corresponding suspension arrangement
It is defeated so as to be arranged as being converted to the vibrations for being generally in vertical direction caused by suspension arrangement beneficial to switching mechanism with angle
Go out the displacement for being generally in left and right directions in portion, the displacement of left and right directions causes the anti-roll system of the utility model embodiment to remove
The moment of torsion that part outside gear is born is smaller or is not subject to moment of torsion, so as to reduce the material to the modules in anti-roll system
The requirement of material is to reduce cost.
The concrete structure of the anti-roll system of the specific embodiment of the utility model one will be carried out according to Fig. 2 to Fig. 8 below
Describe in detail.
The structure of two transmission devices of the anti-roll system of the present embodiment is identical, below will be mainly with the first transmission
It is described in detail exemplified by the structure of device.
As shown in Fig. 2 the first transmission device includes the first switching mechanism, the first swing arm 13 and first gear 15.
In the present embodiment, the first switching mechanism includes first connecting rod mechanism.First connecting rod mechanism have first connecting portion,
Second connecting portion and the 3rd connecting portion.First connecting portion is rotatably coupled with corresponding first suspension arrangement 16.Second connection
Portion is fixedly disposed relative to first connecting portion.Second connecting portion is rotatably coupled with vehicle frame and the rotary shaft of second connecting portion
Line is parallel with the pivot center of first connecting portion.3rd connecting portion forms output section.The first end of first swing arm 13 connects with the 3rd
Socket part connects, the second end of the first swing arm 13 and the gear axis connection of first gear 15 and the first swing arm 13 and first connecting portion with
Line between 3rd connecting portion has angle.The first connecting portion of first connecting rod mechanism can with corresponding first suspension arrangement 16
Rotationally connection is so that the vibrations of the first suspension arrangement 16 can drive the first connecting portion of first connecting rod mechanism to follow shake
Dynamic, because second connecting portion and the vehicle frame of first connecting rod mechanism are rotatably coupled, therefore first connecting portion is around the second connection
Portion rotates, and so as to which the 3rd connecting portion also rotates around second connecting portion, the 3rd connecting portion is as output section output displacement, the first pendulum
The first end of arm 13 is connected with the 3rd connecting portion, and the second end of the first swing arm 13 and the gear axis connection of first gear 15, because
The displacement of this 3rd connecting portion output can promote the first swing arm 13 to be swung and then drive first gear 15 to rotate.
In the present embodiment, as shown in Fig. 2 first connecting rod mechanism includes first structure part and transmission rod.Specifically, first
Structural member is the first set square 11, and transmission rod is the first transmission rod 12.First connecting portion, second connecting portion are arranged at the first triangle
On plate 11, middle interconnecting piece is additionally provided with the first set square, first connecting portion, second connecting portion and middle interconnecting piece are located at first
Three apexes of set square 11, the first end of the first transmission rod 12 are connected with middle interconnecting piece, and the second of the first transmission rod 12
End has the 3rd connecting portion.
As shown in figure 3, the first connecting portion M of the first set square 11, the second connecting portion L of the first set square 11, the one or three
The middle interconnecting piece N of gusset 11.When upward impulsive force of first suspension arrangement 16 by ground, first connecting portion M by
Power is analyzed as shown in figure 3, the impulsive force F being subject to1It can be analyzed to the first component F perpendicular to LM lines3With positioned at the of LM lines
Two component F2, wherein, the first component F3First connecting portion M is set to be rotated around second connecting portion L, and the second component F2It is to the one or three
The pulling force of gusset 11, born in itself by material, therefore similarly, middle interconnecting piece N is also by thrust F as shown in Figure 34
The first transmission rod 12 is driven to move.The motion of first transmission rod 12 can bring the swing of the first swing arm 13, the pendulum of the first swing arm 13
The dynamic rotation that can bring first gear 15, and second gear 25 is directly engaged with first gear 15 so as to which torsion is passed through into the second pendulum
Arm 23 passes to the second transmission rod 22 and the second set square 21, and then causes the second suspension arrangement 26 by upward power, from
And make it that the stress of the second suspension arrangement 26 and the stress of the first suspension arrangement 16 are equidirectional, reach the purpose for reducing and rolling.
Preferably, in order that the first transmission rod 12 by thrust larger middle interconnecting piece N to be preferably transferred to first
Swing arm 13 and first gear 15, in the present embodiment, distance connects more than centre between first connecting portion M and second connecting portion L
The distance between socket part N and second connecting portion L.It is arranged so that the arm of force between middle interconnecting piece N and second connecting portion L is small
The arm of force between first connecting portion M and second connecting portion L, in the case where moment of torsion is equal, middle interconnecting piece N stress compared with
Greatly, so that the first transmission rod 12 is by larger thrust.
Preferably, in the present embodiment, the first end of the first swing arm 13 is rotatably coupled with the 3rd connecting portion.First pendulum
The first end of arm 13 is rotatably coupled with the 3rd connecting portion causes the first swing arm 13 to have movement on the direction of general vertical
Space.
In a unshowned embodiment of accompanying drawing, the second end of the first swing arm can also can with the gear shaft of first gear
Rotationally connect.Specifically, the second end of the first swing arm relative to the gear shaft of first gear in the plane perpendicular to gear shaft
It is interior rotatably arranged with so that when power of first swing arm by vertical direction can relative to gear shaft rotate and
Moment of torsion is not transmitted, so as to reduce the material requirements to the first swing arm, reduces manufacturing cost.
In order that the anti-roll system of the present embodiment will not transmit torsion when a side linkage is by less impulsive force
Square to another side linkage, the 3rd connecting portion is provided with the first elongated hole.The first end of first swing arm 13 is located in the first elongated hole,
First elongated hole is used on the swaying direction of swing arm the mobile offer activity surplus relative to the 3rd connecting portion for the first swing arm 13.
For example, when the first suspension arrangement 16 is by less impulsive force, the thrust that the first transmission rod 12 is subject to is also smaller therefore the 3rd
The displacement of connecting portion is also smaller, and the 3rd connecting portion is provided with the first elongated hole, therefore the relatively thin tail sheep of the 3rd connecting portion will not band
Carry out the swing of the first swing arm 13, so as to which first gear 15 will not also rotate, moment of torsion will not be transmitted.
As shown in Figure 6 and Figure 7, the end of the first swing arm 13 is provided with installation section 13A.First installed on first transmission rod 12
The end of transmission rod elongation set 14 is provided with transmission rod installation portion 14A.Transmission rod installation portion 14A is equipped with installation section 13A.
Specifically in the present embodiment, transmission rod installation portion 14A is spherical linkage.
Preferably, transmission rod installation portion 14A can also be oval ring structure, therefore installation is saved into 13A and oval ring
The diverse location of structure, which coordinates, can adjust the size that anti-roll system transmits moment of torsion.
In a unshowned embodiment of accompanying drawing, linkage includes the second structural member.First connecting portion, the second connection
Portion and the 3rd connecting portion are respectively arranged on the second structural member, and positioned at three apexes of a triangle.For example, the first knot
Component is triangular structure part.Now, the first swing arm is rotationally set relative to the 3rd connecting portion in the plane of general vertical
Put.
In order that first structure part the 3rd connecting portion in the case of by the impulsive force of the vibrations of corresponding suspension arrangement
The thrust being subject to is larger, first connecting portion and second connecting portion the distance between be more than the 3rd connecting portion and second connecting portion it
Between distance.
In a unshowned embodiment of accompanying drawing, switching mechanism can also be cam mechanism.Cam mechanism includes setting
In the cam on suspension arrangement, the cam surface of cam forms output section, and swing arm couples with cam surface.Cam mechanism is convex by setting
Take turns so that the vibrations of corresponding suspension arrangement to be converted to the displacement of cam surface.
Cam mechanism can also include the 3rd structural member, and the 3rd structural member rotationally connects with suspension arrangement and vehicle frame respectively
Connect, cam is arranged on the 3rd structural member of institute.3rd structural member is converted to the vibrations of suspension arrangement the displacement of cam surface, swing arm
Coupled with cam surface so that drive gear to be rotated.
In another embodiment, cam mechanism includes being connected to the cam on suspension arrangement and the vehicle frame relative to vehicle
The push rod being mounted slidably along the length direction of push rod.The first end of push rod slideably abuts with the cam surface of cam, pushes away
Second end of bar forms output section.In this embodiment, the second end of push rod is as output section, can be abutted with swing arm or
Connection.
As shown in figure 9, in another embodiment, switching mechanism includes hydraulic gear.Specifically, hydraulic drive motor
Structure includes hydraulic cylinder.Hydraulic cylinder include relative to vehicle frame fixed setting cylinder body 30 and be respectively arranged at cylinder body 30 both ends and
The first piston 31 set and second piston 32 are slided relative to the inwall of cylinder body 30.Between first piston 31 and second piston 32
Fill hydraulic oil.First piston 31 couples with suspension arrangement (not shown), swing arm (not shown) and second piston 32
Coupling is swung with being produced according to the displacement of second piston 32.The switching mechanism of the present embodiment is by by the change of the oil pressure of hydraulic oil
The vibrations of suspension arrangement are converted into the displacement of second piston, it is compact-sized to be easy to arrange between the draft hitch of vehicle.
And the pressure limit that hydraulic oil can be born is larger, so that the anti-roll system of the present embodiment goes for different resist
In the vehicle of inclination demand.
In the present embodiment, it can be hinged or abut between second piston and swing arm, as long as can be by second piston
Displacement be converted into the swing of swing arm.
In other embodiments, any liquid that can be used for transmitting pressure can be filled between first piston and second piston
Body, however it is not limited to hydraulic oil.
Specifically, as shown in figure 9, the cylinder body of the present embodiment includes bending section.The axis of second piston and first piston
Axis is with angle to cause between the displacement of second piston and the axis of suspension arrangement with angle.The hydraulic pressure of the present embodiment passes
Motivation structure is by the way that cylinder body is shaped to bending section to change the flow direction of hydraulic oil so that the position of first piston
Move has angle between the displacement of second piston, simple in construction to be easily achieved.And the setting of bending section is beneficial to the present embodiment
Anti-roll system avoids the obstruction of the miscellaneous part of vehicle interior, improves the applicability of the anti-roll system of the present embodiment.
In other embodiments, cylinder body can also have more bending sections, if enable to the axis of second piston with
The axis of second piston has angle.The setting of more bending sections can make the arrangement of anti-roll system cleverer
It is living.
Preferably, in order that first piston 31 is second in the case of by the impulsive force of the vibrations of corresponding suspension arrangement
The displacement of piston 32 is larger, and the sectional area of first piston 31 is more than the sectional area of second piston 32.
In order to improve the scope of application of the anti-roll system of the present embodiment with suitable for the vehicle of different model, this implementation
The rigidity of the anti-roll system of example is adjustably set.
Preferably, it is provided with the first swing arm 13 for being coupled with switching mechanism and along the longitudinal direction side of the first swing arm 13
To multiple coupling parts of distribution.Switching mechanism is selectively coupled with one in multiple coupling parts to adjust the first swing arm 13
Drive the size of the torque of the rotation of first gear 15.As shown in figure 3, it is provided with coupling graduation mark, Ke Yigen in the first swing arm 13
The first transmission rod is installed on different coupling graduation marks according to different vehicles or different user's requests and sentences adjusting force
The size of arm, so as to adjust the rigidity of anti-roll system.This regulative mode is suitable for the rigidity of anti-roll system a wide range of interior
Regulation.
In the present embodiment, as shown in figure 4, to adapt to the change of different torques, close to first gear 15
On direction, the sectional area of the first swing arm 13 becomes larger.
Preferably, to adjust the rigidity of anti-roll system, transmission device also includes flexible member.The first end of flexible member
It is fixedly installed relative to first gear 15, the second end of flexible member is fixedly installed relative to vehicle frame.Flexible member is arranged at
Between first gear 15 and vehicle frame, the stiffness factor by changing flexible member can adjust the rotation needs gram of first gear 15
The resistance of clothes, so as to adjust the rigidity of anti-roll system.This regulative mode is suitable for the rigidity of anti-roll system in a small range
Regulation.
As shown in figure 5, flexible member includes the first torsion spring 18.First torsion spring 18 is sheathed on the gear shaft of first gear 15
Periphery.When mounted, the first end of the first torsion spring 18 is fixedly connected in first gear 15, by the second end of the first torsion spring 18
It is fixedly connected on the first torsion spring housing 19, and the first torsion spring housing 19 is fixedly installed on vehicle frame.
The stiffness tuning mode of the anti-roll system of the utility model embodiment is simple, therefore only needs in the specific of vehicle
Position sets a regulation opening can and is easily adjusted, without car bonnet of whole vehicle etc. is taken apart more
Change whole anti-roll bar, therefore convenient regulation and maintenance.
Specifically in the present embodiment, first gear 15 and second gear 25 are that central axis is consolidated relative to the car body of vehicle
Surely the bevel gear set.Two bevel gears directly engage.
In a unshowned embodiment of accompanying drawing, center tooth rolling hitch can also be set between first gear and second gear
Structure is driven.
Transmission device also includes being used for the gear installation base for installing gear, and gear installation base is fixedly installed on vehicle frame.Tooth
Wheel mounting seat is used for the gear shaft for installing gear, for bearing the moment of torsion of gear shaft rotation.
In order to which the amplitude of fluctuation that swing arm is limited in the vibrations of jolting of whole system high load capacity, transmission device is effectively ensured
Also include the swing arm position limiting structure being fixedly installed relative to vehicle frame, the amplitude of fluctuation that the limitation swing arm of swing arm position limiting structure is swung.
Specifically, as shown in figure 8, swing arm position limiting structure includes the limit base 20 being arranged on vehicle frame.Set on limit base 20
There is the second elongated hole.Swing arm is stretched into the second elongated hole, the amplitude of fluctuation of the both ends limitation swing arm swing of the length direction of the second elongated hole.
Finally it should be noted that:Above example is only illustrating the technical solution of the utility model rather than it is limited
System;Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should
Understand:Specific embodiment of the present utility model can still be modified or some technical characteristics are equally replaced
Change;Without departing from the spirit of technical solutions of the utility model, it all should cover in the claimed technical scheme of the utility model
Among scope.