CN209505458U - A kind of novel differential gear - Google Patents
A kind of novel differential gear Download PDFInfo
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- CN209505458U CN209505458U CN201821984703.2U CN201821984703U CN209505458U CN 209505458 U CN209505458 U CN 209505458U CN 201821984703 U CN201821984703 U CN 201821984703U CN 209505458 U CN209505458 U CN 209505458U
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Abstract
A kind of novel differential gear, is related to car speed control field.Including pedestal, rotating wheel, power device, tumbler, potentiometer and control device.Rotating wheel is divided into the two sides of pedestal and is driven respectively by one group of power device, and control device and potentiometer are set to pedestal, and potentiometer is electrically connected with control device.Tumbler is articulated with pedestal, and the rotation axis of tumbler is sequentially connected with the rotor of potentiometer.Tumbler drives rotor when rotating, and adjusts so that control device can be realized according to the output revolving speed of two groups of power devices of Signal Regulation that potentiometer transmits to the differential of rotating wheel.It can carry out differential adjusting to two sides wheel during the turn, promote steadily, swimmingly to turn, it is ensured that the safety in use process, while turning speed and the upper limit for amplitude of turning being made to get a promotion, corresponding vehicle performance is also optimized.
Description
Technical field
The utility model relates to car speed control fields, in particular to a kind of novel differential gear.
Background technique
In existing vehicle structure, especially small vehicle (such as: common slide plate, cross-country slide plate, electric-powered infant car),
In use, especially in turning, if speed control is bad, or turning amplitude is excessive, it is easy to it turns on one's side,
Its safety in utilization needs to be further improved.
In view of this, special propose the application.
Utility model content
The purpose of this utility model is to provide a kind of novel differential gears, during the turn can be to two sides wheel
Differential adjusting is carried out, promotes steadily, swimmingly to turn, it is ensured that the safety in use process, while making turning speed and turning
The upper limit of amplitude gets a promotion, and corresponding vehicle performance is also optimized.
The embodiments of the present invention are achieved in that
A kind of novel differential gear comprising: pedestal, rotating wheel, power device, tumbler, potentiometer and control device.
Rotating wheel is divided into the two sides of pedestal and is driven respectively by one group of power device, and control device and potentiometer are set to pedestal, electricity
Position device is electrically connected with control device.Tumbler is articulated with pedestal, and the rotation axis of tumbler is sequentially connected with the rotor of potentiometer.
Tumbler drives rotor when rotating, so that two groups of power of Signal Regulation that control device can be transmitted according to potentiometer
The output revolving speed of device, which is realized, adjusts the differential of rotating wheel.
Further, pedestal is additionally provided with the elastic component for driving tumbler to reset, and elastic component is divided into the two of tumbler
Side is simultaneously connected between pedestal and tumbler.Under natural conditions, the revolving speed between rotating wheel is identical.
Further, tumbler is at least one of turning-bar, pedal or bench.
Further, novel differential gear further include: wheel shaft coupling piece and power transmission device.
Taking turns shaft coupling piece includes the first driving member, the second driving member and connector.Connector includes connected the first axle body
And the second axle body, the first axle body are vertical with the second axle body.First driving member has the inner cavity for accommodating connector, the first axle body
It is embedded at the first driving member, along the circumferential direction of the first axle body, the first axle body is flexibly connected with the first driving member.First driving member has
For the adjustment hole that the second axle body passes through, adjustment hole is through to the outer wall of the first driving member by the inner wall of inner cavity, and adjustment hole is along
The circumferentially extending of one axis body, the second axle body pass through adjustment hole and connect with the second driving member.First driving member is passed far from second
One end of moving part is connected with the shaft of rotating wheel, and one end far from the first driving member of the second driving member is connected with rotating wheel.Its
In, along the circumferential direction of the second axle body, the second axle body is flexibly connected with the second driving member, and/or, along the circumferential direction of the second axle body, second
Axis body is flexibly connected with the first axle body.
Power transmission device includes the first power transmission unit and the second power transmission unit.First power transmission unit has first
Mating groove and the second mating groove, the first mating groove and the second mating groove are by the same end wall of the first power transmission unit along axial recessed
It falls into and is formed, the cell wall close to the second mating groove of the first mating groove is penetrated through to the second mating groove, and the axial line of the first mating groove is same
The rotational axis line of first power transmission unit is overlapped setting.Power device and the first power transmission unit are set to pedestal, and first is dynamic
The other end of power Transmission Part is sequentially connected with power device.
Second power transmission unit one end is equipped with first and matches zygote with zygote and second, and first with same second power transmission of zygote
Part connection, and the first axial line with zygote is overlapped setting with the rotational axis line of the second power transmission unit, second connects with zygote
First is connected to zygote and radially extending along the second power transmission unit.The second power transmission unit other end is connected with shaft.Edge
The axial direction of first power transmission unit, first is slidably received in the first mating groove with zygote, and second slideably holds with zygote
It is placed in the second mating groove.First outer wall with zygote offsets with the cell wall of the first mating groove, and/or, second matches the outer wall of zygote
Offset with the cell wall of the second mating groove so that first with zygote or second with zygote in the first power transmission unit radially with the
One power transmission unit is fixedly connected.Wherein, first is spherical surface with the wall surface that zygote is used to offset with cell wall with zygote and second, with
The second power transmission unit is set to be swung along the first driving member around the plane that the first axle body is swung, and/or, make the second power
Transmission Part can be swung along the first driving member around the plane that the second axle body is swung.
Further, the first axle body runs through the first driving member, and it is logical that the first axle body offers the radial direction passed through for the second axle body
Hole and the axially extending bore being connected to radial through-hole.Axially extending bore is removably combined with fastening screw, so that fastening screw will
The first axle body and the second axle body are relatively fixed.Along the circumferential direction of the second axle body, the second axle body is flexibly connected with the second driving member.First
Driving member is in spherical, and the second driving member has a recessed portion for accommodating the first driving member, the spherical shape in the concave surface of recessed portion, and
Radius of the radius of sphere corresponding to concave surface slightly larger than sphere corresponding to the first driving member.Recessed portion is offered for the
The positioning through hole of two axis bodies cooperation, the internal diameter of positioning through hole are slightly larger than the outer diameter of the second axle body.
Further, one end that the second driving member is used to connect with rotating wheel is in the shape of a rod and is removably arranged with convex block,
Second driving member further includes positioning pin, and positioning pin runs through the second driving member and convex block simultaneously and removably along the second driving member
It is arranged radially.Second driving member also has external screw thread, and external screw thread is located at the side far from the first driving member of convex block.Rotating wheel tool
Have for the axle hole with the cooperation of the second driving member, the end of axle hole is also provided with the groove cooperated for same convex block.When convex
When block is matched with groove, along the circumferential direction of rotating wheel, convex block is fixedly connected with rotating wheel, and positioning pin is plugged in by the cell wall of groove
In convex block and the second driving member.
Further, the second driving member is also arranged with bearing, and bearing is located at the side of the close shaft of convex block, bearing it is outer
Circle is also arranged and is fixedly connected with positioning sleeve, and positioning sleeve has for installing turning power assisting device, bogie or axle positioning dress
The mounting portion at least one of set.
Further, novel differential gear further include: the first turning-bar, the second turning-bar and third turning-bar.Tumbler
It is rotatably arranged in pedestal and its rotational axis line is arranged along the front-rear direction of pedestal.One end of first turning-bar is articulated with base
Seat, the other end are articulated with the bottom of positioning sleeve by universal hinging part.One end of second turning-bar is articulated with base by universal hinging part
Seat, the other end are also articulated with the rear portion of positioning sleeve by universal hinging part.One end of third turning-bar is articulated with tumbler, the other end
The top of positioning sleeve is articulated with by universal hinging part.The hinge joint of both first turning-bar and third turning-bar far from rotating wheel
Rotational axis line is arranged in parallel with the rotational axis line of tumbler.
When rotating diverting member, positioned at tumbler turn to side rotating wheel under the promotion of third turning-bar at the top of it and
Front towards far from pedestal side deflect, positioned at the side that tumbler deviates from rotating wheel under the pulling of third turning-bar its push up
Portion and front are deflected towards pedestal.
Further, pedestal is additionally provided with damper and V-shaped counter-jib, the V-type bottom of counter-jib be articulated with pedestal and
Its rotational axis line is parallel to the rotational axis line of tumbler, and counter-jib both ends are hinged with damper, and the separate of damper is put down
One end of weighing apparatus arm is hinged with the first turning-bar.
Further, first has the mounting hole through its own with zygote, and mounting hole is slideably equipped with mounting rod,
Second engaging slot that with zygote there is the end for same mounting rod to be detachably connected.Mounting hole is cylindrical, and mounting rod is also in
Cylindric, the outer diameter of mounting rod is slightly less than the internal diameter of mounting hole, and along the circumferential direction of mounting hole, first connects with the dress bar activity of zygote TongAn
It connects.
The beneficial effect of the utility model embodiment is:
Novel differential gear provided by the embodiment of the utility model during the turn, passes through rotating diverting member, tumbler
The rotor of potentiometer is driven, control device is real to the output revolving speed of two groups of power devices according to the change in electric of potentiometer at this time
It now adjusts, makes to form certain differential between the rotating wheel of two sides, to realize turning.When rotation amplitude difference between rotation,
The change in electric degree of potentiometer is also different, control device according to different degrees of change in electric to two groups of power devices into
The different degrees of differential of row is adjusted, to realize different turning radius.Rotating member is rotated with different rotation amplitudes, it can by not
The same radius of gyration is turned.
In general, novel differential gear provided by the embodiment of the utility model during the turn can be to two sides wheel
Differential adjusting is carried out, promotes steadily, swimmingly to turn, it is ensured that the safety in use process, while making turning speed and turning
The upper limit of amplitude gets a promotion, and corresponding vehicle performance is also optimized.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the schematic diagram of novel differential gear provided by the embodiment of the utility model；
Fig. 2 is the schematic diagram at another visual angle of novel differential gear in Fig. 1；
Schematic diagram when Fig. 3 is the non-mounting shock absorber of novel differential gear, power device and potentiometer in Fig. 1；
Fig. 4 is another visual angle schematic diagram of novel differential gear in Fig. 3；
Fig. 5 is the power device of novel differential gear and the cooperation schematic diagram of power transmission device in Fig. 1；
Fig. 6 is the schematic diagram of the wheel shaft coupling piece of novel differential gear in Fig. 1；
Fig. 7 is the enlarged drawing of a-quadrant in Fig. 6；
Fig. 8 is that the wheel shaft of novel differential gear in Fig. 1 cooperates schematic diagram；
Fig. 9 is the enlarged drawing of B area in Fig. 8；
Figure 10 is the first power transmission unit of novel differential gear and the perspective view of the explosion of the second power transmission unit；
Figure 11 is the first power transmission unit of novel differential gear and the cooperation schematic diagram of the second power transmission unit in Figure 10；
Figure 12 is the first power transmission unit of novel differential gear and the mated condition schematic diagram of the second power transmission unit；
Figure 13 is the schematic diagram of the universal hinging part of novel differential gear.
Icon: the novel differential gear of 700-；39- pedestal；20- rotating wheel；21- groove；19- shaft；38- power device；
43- tumbler；The first turning-bar of 44-；The second turning-bar of 45-；46- third turning-bar；55- potentiometer；56- control device；
52- elastic component；53- damper；54- counter-jib；47- universal hinging part；The first hinge bar of 48-；49- mating cavity；50- second
Hinge bar；51- cooperates ball；100- takes turns shaft coupling piece；The first driving member of 1-；The inner cavity 2-；3- adjustment hole；The second driving member of 5-；7-
Recessed portion；8- positioning through hole；9- the first axle body；10- radial through-hole；11- axially extending bore；12- the second axle body；13- fastening screw；
14- convex block；15- positioning pin；16- external screw thread；17- bearing；18- positioning sleeve；300- power transmission device；The first power of 22- passes
Defeated part；The first mating groove of 23-；24- resigning depressed area；The second mating groove of 25-；26- cylindrical type wall；27- planar wall；29- second
Power transmission unit；30- first matches zygote；31- mounting hole；32- mounting rod；33- second matches zygote；36- extending column；37- engaging
Slot；40- synchronizing wheel；41- straining pulley；42- strip groove；A, b- diameter line.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
Term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
It is logical.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood with concrete condition
Meaning.
Embodiment
Fig. 1~5 are please referred to, the present embodiment provides a kind of novel differential gears 700.Novel differential gear 700 includes: pedestal
39, rotating wheel 20, power device 38, tumbler 43, potentiometer 55 and control device 56.
Rotating wheel 20 is divided into the two sides of pedestal 39 and is driven respectively by one group of power device 38, control device 56 and current potential
Device 55 is set to pedestal 39, and potentiometer 55 is electrically connected with control device 56.Tumbler 43 is articulated with pedestal 39, tumbler 43
Rotation axis is sequentially connected with the rotor of potentiometer 55.
Tumbler 43 drives rotor when rotating, so that the Signal Regulation two that control device 56 can be transmitted according to potentiometer 55
The output revolving speed of group power device 38, which is realized, adjusts the differential of rotating wheel 20.
During the turn, by rotating diverting member 43, tumbler 43 drives the rotor of potentiometer 55, at this time control device
56 realize adjusting to the output revolving speed of two groups of power devices 38 according to the change in electric of potentiometer 55, make the rotating wheel of two sides
Certain differential is formed between 20, to realize turning.When rotation amplitude difference between rotation, the change in electric of potentiometer 55
Degree is also different, and control device 56 carries out different degrees of difference to two groups of power devices 38 according to different degrees of change in electric
Velocity modulation section, to realize different turning radius.Wherein, the corresponding different differentials of different electrical signals variation can be previously written control dress
It sets in 56 storage unit, also can use PLC etc. and write.Then, with different rotation amplitude rotating diverting members 43, i.e.,
It can turn by the different radiuses of gyration.
In general, novel differential gear 700 can carry out differential adjusting to two sides wheel during the turn, promote flat
Surely, it swimmingly turns, it is ensured that the safety in use process, while turning speed and the upper limit for amplitude of turning being made to get a promotion,
Corresponding vehicle performance is also optimized, and the introducing of differential can be largely avoided vehicle and occur during the turn
Rollover.
In the present embodiment, tumbler 43 is articulated with pedestal 39, and the rotation axis of tumbler 43 is same with the rotor of potentiometer 55
Axis connection.
Pedestal 39 is additionally provided with the elastic component 52 for driving tumbler 43 to reset, and elastic component 52 is divided into the two of tumbler 43
Side is simultaneously connected between pedestal 39 and tumbler 43.Under natural conditions, tumbler 43 keeps balance, the revolving speed between rotating wheel 20
Identical, rotating wheel 20 is in straight-going state.Elastic component 52 facilitates the reset of tumbler 43, and for ensuring that tumbler 43 is not turning
It is in equilbrium position under curved state, keeps straight trip.
Further, tumbler 43 can be at least one of turning-bar, pedal or bench.When tumbler 43 is to turn to
When bar, when turning, only need to directly stir turning-bar.When tumbler 43 is pedal, when turning, is only needed directly by respective direction
Pushes pedals.When tumbler 43 is bench, when turning, only needs directly to lean to one side that bench is made to deflect on bench.
In the present embodiment, tumbler 43 is pedal.
Further, novel differential gear 700 further include: wheel shaft coupling piece 100 and power transmission device 300.
Such as Fig. 6~7, taking turns shaft coupling piece 100 includes the first driving member 1, the second driving member 5 and connector.Connector includes
Connected the first axle body 9 and the second axle body 12, the first axle body 9 are vertical with the second axle body 12.First driving member 1 has for accommodating
The inner cavity 2 of connector, the first axle body 9 are embedded at the first driving member 1, and along the circumferential direction of the first axle body 9, the first axle body 9 is passed with first
Moving part 1 is flexibly connected.First driving member 1 has the adjustment hole 3 passed through for the second axle body 12, and adjustment hole 3 is passed through by the inner wall of inner cavity 2
It wears to the outer wall of the first driving member 1, and adjustment hole 3, along the circumferentially extending of the first axle body 9, the second axle body 12 passes through adjustment hole 3 simultaneously
It is connected with the second driving member 5.One end far from the second driving member 5 of first driving member 1 has the shaft for same rotating wheel 20
The first connecting portions of 19 connections, one end far from the first driving member 1 of the second driving member 5, which has, to be connected for same rotating wheel 20
Second connecting portion.First driving member 1 is connected by first connecting portion with the shaft 19 of rotating wheel 20, and the second driving member 5 passes through the
Two interconnecting pieces are connected with rotating wheel 20.Wherein, along the circumferential direction of the second axle body 12, the second axle body 12 connects with 5 activity of the second driving member
It connects, and/or, along the circumferential direction of the second axle body 12, the second axle body 12 is flexibly connected with the first axle body 9.
The first driving member 1 and the second driving member 5 for taking turns shaft coupling piece 100 are realized by connector to be sequentially connected.Due to edge
The circumferential direction of the first axle body 9, the first axle body 9 are to be flexibly connected with the first driving member 1, and then the first driving member 1 can be along first
The circumferentially opposed the first axle body 9 of axis body 9 and the second driving member 5 are rotated.In addition " along the circumferential direction of the second axle body 12, the second axis
Body 12 is flexibly connected with the second driving member 5, and/or, along the circumferential direction of the second axle body 12, the second axle body 12 is the same as 9 activity of the first axle body
Connection ", and the first axle body 9 is vertical with the second axle body 12, then the first driving member 1 can also be along the circumferential phase of the second axle body 12
Second driving member 5 is rotated.It follows that the first driving member 1 can be along two mutually orthogonal directions opposite second
Driving member 5 is rotated, so that there are certain relative motion spaces, first to pass between the first driving member 1 and the second driving member 5
It is to be in the state being flexible coupling, and shaft 19 and rotating wheel 20 are by taking turns shaft coupling piece between moving part 1 and the second driving member 5
100 realize connection, therefore also allow for by between wheel shaft coupling piece 100 shaft 19 being attached and rotating wheel 20
Certain relative motion space is provided with to play buffer function to the vibration transmitting between rotating wheel 20 and shaft 19, is reduced
Damage suffered by rotating wheel 20 and shaft 19.
Wherein, it is mutually perpendicular to due to the first driving member 1 relative to the both direction that the second driving member 5 is rotated, this makes
It (can rotated when first driving member 1 is rotated relative to the second driving member 5 with bigger angular range and area of effective coverage
Flexible rotating in 360 ° in journey), the relative motion space between the first driving member 1 and the second driving member 5 becomes much larger.Then,
But also wheel shaft coupling piece 100 can to by a small margin, the vibration of high-frequency high density effectively supported in entire rotation period
Disappear, promotes the stability in traveling process and gentle degree.
Such as Fig. 8~12, power transmission device 300 includes the first power transmission unit 22 and the second power transmission unit 29.First
Power transmission unit 22 has the first mating groove 23 and the second mating groove 25, and the first mating groove 23 and the second mating groove 25 are by first
The same end wall of power transmission unit 22 is formed along axial depression, and the cell wall close to the second mating groove 25 of the first mating groove 23 penetrates through
To the second mating groove 25, the axial line of the first mating groove 23 is overlapped setting with the rotational axis line of the first power transmission unit 22.It is dynamic
Power device 38 and the first power transmission unit 22 are set to pedestal 39, and the other end of the first power transmission unit 22 is passed with power device 38
Dynamic connection.
Second power transmission unit, 29 one end is equipped with first and matches zygote 33 with zygote 30 and second, and first with zygote 30 same second
Power transmission unit 29 connects, and the first axial line with zygote 30 is set with the rotational axis line coincidence of the second power transmission unit 29
It sets, second is connected to first with zygote 30 and radially extending along the second power transmission unit 29 with zygote 33.Second power transmission
29 other end of part is connected with shaft 19.Along the axial direction of the first power transmission unit 22, first is slidably received in the with zygote 30
One mating groove 23, second is slidably received in the second mating groove 25 with zygote 33.First outer wall with zygote 30 is matched with first
The cell wall for closing slot 23 offsets, and/or, the second outer wall with zygote 33 offsets with the cell wall of the second mating groove 25, so that first matches
Zygote 30 or the second radially same first power transmission unit 22 with zygote 33 in the first power transmission unit 22 being fixedly connected.
Wherein, first is spherical surface with the wall surface that zygote 33 is used to offset with cell wall with zygote 30 and second, so that second is dynamic
Power Transmission Part 29 can be swung along the first driving member 1 around the plane that the first axle body 9 is swung, and/or, make the second power transmission
Part 29 can be swung along the first driving member 1 around the plane that the second axle body 12 is swung.
The first mating groove 23 and the second mating groove 25 of first power transmission unit 22 are first with zygote 30 and the second cooperation
Son 33 provides adapted space, and due to the axial direction along the first power transmission unit 22, first is slidably received in the with zygote 30
One mating groove 23, and second is slidably received in the second mating groove 25 with zygote 33, therefore first matches with zygote 30 and second
Zygote 33, which enters the first mating groove 23 and the depth of the second mating groove 25, can change, i.e. 22 He of the first power transmission unit
The distance between second power transmission unit 29 is adjustable.During adjusting, first cooperates always with zygote 30
In first mating groove 23, and second cooperates in the second mating groove 25 always with zygote 33, in other words, the first power transmission unit
22 and second the adjusting of distance between power transmission unit 29 do not interfere with fiting effect between the two, so that power be made to pass
Defeated device 300 can adapt to different transmission distances, can select the length of shaft 19 according to actual needs with this.
When rotatory force is transmitted by power transmission device 300, it can be and be transferred to second by the first power transmission unit 22 and move
Power Transmission Part 29 is also possible to be transferred to the first power transmission unit 22 by the second power transmission unit 29.With from the first power transmission
Part 22 is transferred to for the second power transmission unit 29, after rotatory force is transferred to the first power transmission unit 22, the first power transmission
Part 22 starts turning, and drives the second power transmission unit 29 with zygote 33 with zygote 30 and second by first immediately.Wherein, second
Torsional moment can effectively be increased with zygote 33, the first power transmission unit 22 is enable smoothly to drive the second power transmission unit 29,
Guarantee the smoothness of power transmission.
It should be noted that the either first outer wall with zygote 30 offsets or the with the cell wall of the first mating groove 23
Two outer walls with zygote 33 offset with the cell wall of the second mating groove 25 or the combination of above-mentioned two situations, can limit
First matches movement of the zygote 33 in the first power transmission unit 22 with zygote 30 and second, prevents first to match with zygote 30 and second
Opposite first power transmission unit 22 of zygote 33 arbitrarily shakes, and makes first to match zygote 33 in the first power transmission with zygote 30 and second
The radially and circumferentially upper of part 22 is fixedly connected with the first power transmission unit 22, to guarantee the power transmission in entire transmission process
The stability with higher of device 300 is prevented from constantly hitting between the first power transmission unit 22 and the second power transmission unit 29, be kept away
It is impaired to exempt from part.
Further, since the first wall surface for being used to offset with cell wall with zygote 33 with zygote 30 and second is spherical surface, to be
First provides certain activity space with zygote 33 with zygote 30 and second, although first matches zygote 33 with zygote 30 and second
Radially and circumferentially upper in the first power transmission unit 22 is fixedly connected with the first power transmission unit 22, but the second power transmission unit
29 can be by the first two diameters perpendicular along the first power transmission unit 22 with zygote 30 or the second spherical surface with zygote 33
String pendulum is dynamic, and as shown in figure 11, the second power transmission unit 29 (can refer to along perpendicular diameter line a along by the first mating groove 23
To the direction of the second mating groove 25) and diameter line b swing.Wherein, diameter line a is located at the first driving member 1 and puts along the second axle body 12
In dynamic swinging plane, diameter line b is located at the first driving member 1 along the swinging plane that the first axle body 9 is swung.By so setting
It sets, is mutually adapted the first driving member 1, the second driving member 5, the first power transmission unit 22 and the second power transmission unit 29, mutually
Cooperation can effectively advanced optimize whole system to the resistivity of vibration, further be promoted during turning and be advanced
Stability in the process.
It should be noted that above " first matches zygote 33 for being with the wall surface that cell wall offsets with zygote 30 and second
" spherical surface " in spherical surface " is not limited to standard Surface of Sphere, further includes ellipsoid and other curved surfaces with corresponding curvature.
By designing above, on the one hand make during transmitting rotatory force, the first power transmission unit 22 and second is dynamic
The rotational axis line of both power Transmission Parts 29 must be not necessarily completely coincident, opposite first power transmission unit of the second power transmission unit 29
There can also be certain angular deflection for 22, enable adaptation to different installation requirements, different rotatory force transmitting is provided
Direction has higher universality.
On the other hand, but also being not complete hardness between the first power transmission unit 22 and the second power transmission unit 29
Connection, but there are certain relative motion spaces, are to be between the first power transmission unit 22 and the second power transmission unit 29
The state being flexible coupling, to (especially be passed along the first power transmission unit 22 or the second power to vibration between the two is transferred to
The radial vibration of defeated part 29) there is buffer function, can reduce the first power transmission unit 22 and the second power transmission unit 29 by
In the damage that vibration is subject to.
Wherein, since the second power transmission unit 29 can be along orthogonal two diameters of the first power transmission unit 22
Line is swung, this makes opposite first power transmission unit 22 of the second power transmission unit 29 when swinging with bigger angular range
With area of effective coverage (during rotation can be along 360 ° of range flexible rotatings), the first power transmission unit 22 and the second power
Relative motion space between Transmission Part 29 becomes much larger.Then, enable power transmission device 300 in entire rotation period
It is interior to by a small margin, high-frequency high density vibration effectively offset, promoted transmission process in stability and gently spend.
It is cooperated using wheel shaft coupling piece 100 and power transmission device 300, so that shaft 19 and rotating wheel 20 is flexible
Property greatly improve, the buffer capacities of 700 pairs of vibrations of entire novel differential gear are greatly improved, and are highly suitable for shake
The dynamic sensitive and more demanding situation of damping (such as: perambulator, cross-country slide plate, common slide plate, balance car, certain offroad vehicles
Deng).In general, novel 700 traveling stationarity of differential gear is high, and terrain adaptability is good, and turning is convenient, high sensitivity, turning
Direction controllable precise, and it is suitable for the vehicle structure of sports equipment class, help to play kinetic characteristic, promotion is brought sense into, made
The universality for obtaining novel differential gear 700 is more preferable.
Further, in the present embodiment, the first driving member 1 is spherical, and the second driving member 5 has for accommodating first
The recessed portion 7 of driving member 1, the concave surface of recessed portion 7 is in ball planar, and the radius of sphere corresponding to concave surface is passed slightly larger than first
The radius of sphere corresponding to moving part 1.By the design, when the first driving member 1 and the second driving member 5 are attached by connector
Afterwards, the recessed portion 7 of the second driving member 5 can carry out certain limit and support to the first driving member 1, not only reduce connector
Stress burden, extend the service life of connector and effective time, also enable the first driving member 1 more
Add and smoothly rotated relative to the second driving member 5, helps to eliminate existing between the first driving member 1 and the second driving member 5
Additional irregular vibration promotes the smoothness of damping effect and transmission.
In addition, the first axle body 9 runs through the first driving member 1, it is logical that the first axle body 9 offers the radial direction passed through for the second axle body 12
Hole 10 and the axially extending bore 11 being connected to radial through-hole 10.Axially extending bore 11 is removably combined with fastening screw 13, so that
Fastening screw 13 is relatively fixed by the first axle body 9 and the second axle body 12.In the present embodiment using: along the second axle body 12
Circumferential direction, the second axle body 12 with the second driving member 5 be flexibly connected.It is designed in this way, the first axle body 9 and can be effectively improved
Cooperation tightness and reliability between two axis bodies 12, and the detachable structure between the first axle body 9 and the second axle body 12 also makes
It obtains more flexible to the replacement of part.Its abrasion loss is general for the opposite other component of both the first axle body 9 and the second axle body 12
It is larger, if one is damaged in the first axle body 9 and the second axle body 12, and is not had to entirety and replaced, and need to will only damage
Corresponding axis body change, more economize on resources in this way.Meanwhile it is detachable between the first axle body 9 and the second axle body 12
For structure but also more convenient to the cleaning of part thorough, convenience carries out care and maintenance to part.
In the present embodiment, the first axle body 9 is cylindrical, and the inner cavity 2 of the first driving member 1 is also cylindrical, the first axle body 9
Inner wall with the first driving member 1 is bonded.After fastening screw 13 is installed in axially extending bore 11, the end face of fastening screw 13 is same
The end face of the first axle body 9 is generally aligned in the same plane.By the design, fastening screw 13 can be avoided to the first driving member 1 and second
Relative motion between driving member 5 generates interference.
For the second driving member 5, recessed portion 7 offers the positioning through hole 8 for the cooperation of same the second axle body 12, fixed
The internal diameter of position through-hole 8 is slightly larger than the outer diameter of the second axle body 12.Positioning through hole 8 runs through the both sides of the edge of recessed portion 7 simultaneously.Work as needs
When assembling wheel shaft coupling piece 100, the first axle body 9 can be first put into the inner cavity 2 of the first driving member 1, then the first driving member 1 is set
Enter the recessed portion 7 of the second driving member 5, the second axle body 12 is inserted into from one end of positioning through hole 8 then, passes through the second axle body 12
The radial through-hole 10 of the adjustment hole 3 of first driving member 1, the first axle body 9, and penetrate the other end of positioning through hole 8.At this point it is possible to
Slightly rotating the first driving member 1 is exposed the axially extending bore 11 of the first axle body 9, so that fastening screw 13 is installed into axial direction
Through-hole 11 is relatively fixed by the first axle body 9 and the second axle body 12.
Between the first axle body 9 and the second axle body 12 it is relatively fixed after, the axial fortune of both the first axle body 9 and the second axle body 12
Dynamic and radial motion is all limited, and the first axle body 9 and the second axle body 12 are not fallen out, and entire wheel shaft coupling piece 100 assembling finishes,
First driving member 1 and the second driving member 5 are stably connected with.Therefore for taking turns shaft coupling piece 100, entirely assembled
Cheng Feichang is simple, very convenient also to save time very much without excessive fastener, is applicable not only to assemble for oneself,
It is suitble to manufacturer's Batch assemblage, improves packaging efficiency, facilitate the raising of production efficiency.
It should be noted that the first driving member 1 is also it is not necessary to second in the utility model others embodiment
The recessed portion 7 of driving member 5 fits, and can also have gap therebetween, at this point, the first driving member 1 and the second driving member 5 it
Between be directly driven by connector and connected, connector can make to keep opposite between the first driving member 1 and the second driving member 5
Stablize, in this case, the first driving member 1 is also it is not necessary to be spherical shape, correspondingly, the shape of recessed portion 7 can also be with
It is different, it is not limited to the situation gone out given in the present embodiment.
It returns in the present embodiment, the second connecting portion of the second driving member 5 is in the shape of a rod, and second connecting portion is removably arranged with
Convex block 14, the second driving member 5 further include positioning pin 15, and positioning pin 15 is simultaneously detachable through second connecting portion and convex block 14 simultaneously
Ground is arranged radially along second connecting portion.
Second connecting portion also has external screw thread 16, and external screw thread 16 is located at the side far from the second driving member 5 of convex block 14.Turn
Driving wheel 20 has the axle hole cooperated for same second connecting portion, and the end of axle hole is also provided with for the cooperation of same convex block 14
Groove 21.When convex block 14 is matched with groove 21, along the circumferential direction of rotating wheel 20, convex block 14 is fixedly connected with rotating wheel 20, and recessed
Positioning pin 15 is plugged in convex block 14 and second connecting portion by the cell wall of slot 21.
By designing above, since positioning pin 15 realizes being fixedly connected for convex block 14 and second connecting portion, and convex block 14
With the cooperation of groove 21 but also second connecting portion is fixedly connected in the circumferential direction of rotating wheel 20 with wheel, thus rotating wheel 20 and the
Two driving members 5 are fixedly connected in the circumferential direction of rotating wheel 20.Shaft 19 is connect with the first connecting portion of the first driving member 1, from
And shaft 19 is fixedly connected in the circumferential direction of shaft 19 with the first driving member 1.Finally the first transmission is realized using connector
Part 1 is fixedly connected in 20 circumferential direction of rotating wheel to smoothly complete transmission with the second driving member 5.Shaft 19 and rotating wheel 20 it
Between vibration buffering can be realized by the first driving member 1 and the second driving member 5,
Wherein, when installing rotating wheel 20, first by 14 sets of convex block in second connecting portion, convex block is lockked using positioning pin 15
14, then the side where groove 21 of the second connecting portion for being mounted with convex block 14 from rotating wheel 20 is penetrated into axle hole, it is rotating
Rotating wheel 20 is lockked using fastening nut and the cooperation of the external screw thread 16 of second connecting portion in the side of the separate groove 21 of wheel 20, from
And complete installation.Using the groove 21 of convex block 14 and rotating wheel 20 cooperate, on the one hand can increase with rotating wheel 20 perpendicular to
Contact area on the direction of second connecting portion axial line, effectively improves rotating wheel 20 with the fitment stability of second connecting portion,
Simultaneously on the basis of guaranteeing stability, the installation of rotating wheel 20 is set to become very simple, without installing excessive screw.
In the present embodiment, convex block 14 is in regular prism shape, and the axial line of second connecting portion is overlapped with the axial line of convex block 14
Setting further increases stability of the rotating wheel 20 with respect to the second driving member 5 with this.Second connecting portion is also arranged with bearing 17,
Bearing 17 is located at the side of the close shaft of convex block 14, and the outer ring of bearing 17 is also arranged and is fixedly connected with positioning sleeve 18.
In other embodiments of the utility model, convex block 14 can also be other shapes, correspondingly, the shape of groove 21
Shape can also be adaptively adjusted, only need to be when convex block 14 is matched in groove 21, in the circumferential direction of rotating wheel 20, convex block 14
With being to be fixedly connected between rotating wheel 20.Such as: convex block 14 can be regular quadrangle shape, triangular shape etc., however it is not limited to
This.
Further, in the present embodiment, novel differential gear 700 further include: tumbler 43, the first turning-bar 44,
Two turning-bars 45 and third turning-bar 46.
Tumbler 43 is rotatably arranged in pedestal 39 and its rotational axis line is arranged along the front-rear direction of pedestal 39.First turn
It is articulated with pedestal 39 to one end of bar 44, the other end is articulated with the bottom of positioning sleeve 18 by universal hinging part 47.Second turning-bar
45 one end is articulated with pedestal 39 by universal hinging part 47, after the other end is also articulated with positioning sleeve 18 by universal hinging part 47
Portion.One end of third turning-bar 46 is articulated with tumbler 43, and the other end is articulated with the top of positioning sleeve 18 by universal hinging part 47.
The rotational axis line of the hinge joint of both first turning-bar 44 and third turning-bar 46 far from rotating wheel 20 is the same as tumbler 43
Rotational axis line is arranged in parallel.
When rotating diverting member 43, the rotating wheel 20 positioned at the side that tumbler 43 turns to is under the promotion of third turning-bar 46
Its top and front are deflected towards the side far from pedestal 39, and the rotating wheel 20 positioned at the side that tumbler 43 deviates from is turned in third
Its top and front are deflected towards pedestal 39 under the pulling of bar 46.
Novel differential gear 700 is driving portion with tumbler 43, is turned with the first turning-bar 44, the second turning-bar 45 and third
It is to rely on to bar 46, pushes directly on the steering of rotating wheel 20 by stirring tumbler 43.Wherein, the first turning-bar 44 and second turns to
Bar 45 provides basic support for deflecting roller and limits to its bottom and rear end, when rotating diverting member 43,43 meeting of tumbler
Third turning-bar 46 is pushed, the meeting of third turning-bar 46 applies motive force to the top of positioning sleeve 18 or pulls power, to push
Rotating wheel 20 turns to.Since the movement of deflecting roller bottom and rear end is rather limited, third turning-bar 46 can be pushed
The top and front of rotating wheel 20 are deflected towards the side far from pedestal 39, and pull its top of the rotating wheel 20 of the other side and front
It is deflected towards pedestal 39.To realize turning.
In above process, when being turned, by the way that tumbler 43 to be rotated to different angles, the rotation of two sides can be made
Wheel 20 occurs different degrees of deflection and adapts to different turning demands to reach different turning radius.It is designed in this way, energy
Enough neatly to need to select suitable turning radius according to turning, 20 controllability of rotating wheel is good when turning, can also be according to reality
Situation adjusts turning mode at any time, and generally directionality is good for rotating wheel 20, will not arbitrarily deflect, substantially increase turning process
In controllability, convenience and flexibility.It is all most suitable for perambulator, certain cross-country locomotives.
In addition to this, novel differential gear 700 is also applied in the sports equipments such as cross-country slide plate, due to tumbler 43
Rotational axis line be to be arranged along the front-rear direction of pedestal 39, when needing to turn in slide plate traveling process, can will turn
It is rotated to part 43 toward that side for needing to turn to, and the inclined direction of this and human body when turning is consistent, and realizes tumbler
43 operation and forms of motion are adapted, so that more there is the sense of bringing into of movement during the turn, promote user experience.
In the present embodiment, such as Figure 13, universal hinging part 47 includes the first hinge bar 48 and the second hinge bar 50.First hinge
One end of extension bar 48, which has, to be opened up along its thickness direction and by its perforative mating cavity 49, and the inner wall of mating cavity 49 is spherical surface wall,
The other end of first hinge bar 48 is construction section.
One end of second hinge bar 50 has the cooperation ball 51 to match for same mating cavity 49, and the radius of cooperation ball 51 omits
The radius of sphere corresponding to inner wall less than mating cavity 49, so that cooperation ball 51 can turn in mating cavity 49 along any direction
Dynamic, the other end of the second hinge bar 50 is also construction section.
In the present embodiment, the first turning-bar 44, the second turning-bar 45 and third turning-bar 46 pass through universal hinging part
47 are connected to positioning sleeve 18, and the first turning-bar 44, the second turning-bar 45 and 46 end of third turning-bar are the same as the first hinge bar 48
Construction section it is hinged, and the hinged pool of the construction section of the second hinge bar 50 is then hinged with positioning sleeve 18.
Pedestal 39 is additionally provided with the elastic component 52 for driving tumbler 43 to reset, and elastic component 52 is divided into the two of tumbler 43
Side is simultaneously connected between pedestal 39 and tumbler 43.Under natural conditions, tumbler 43 keeps balance, and rotating wheel 20 is in straight trip shape
State.Elastic component 52 facilitates the reset of tumbler 43, and for ensuring that tumbler 43, in equilbrium position, is protected under non-turn condition
Hold straight trip.
Pedestal 39 is additionally provided with damper 53, and damper 53 is set up between pedestal 39 and the first turning-bar 44.In this implementation
In example, damper 53 is spring vibration damper.Pedestal 39 also has V-shaped counter-jib 54, and the V-type bottom of counter-jib 54 is hinged
In pedestal 39 and its rotational axis line is parallel to the rotational axis line of tumbler 43, the both ends of counter-jib 54 respectively with damper 53
Hingedly.That is, one end of damper 53 is articulated with the first turning-bar 44, the other end is articulated with the end of counter-jib 54.It is set by this
Meter, the damper 53 set on 39 two sides of pedestal can provide complementary support, a side for the balance of entire novel differential gear 700
Damping is replicated in face, on the other hand the vibration of two sides, stress is promoted to be balanced, further improves novel differential gear 700
The balance of overall stability and stress.
In the present embodiment, the first mating groove 23 is cylindrical, and first is spherical and with the first mating groove with zygote 30
23 cell wall offsets and (fits).And second the outer wall with zygote 33 also offset with the cell wall of the second mating groove 25, the second cooperation
The outer wall of son 33 is also Surface of Sphere, and the second outer wall with zygote 33 offsets and (fits) with the cell wall of the second mating groove 25.Wherein,
First power transmission unit 22 and the second power transmission unit 29 are cylindrical, and the axial line of the first power transmission unit 22 is matched with first
The axial line for closing slot 23 is overlapped setting, and the axial line of the second power transmission unit 29 is set with the first axial line coincidence with zygote 30
It sets, and first centre of sphere with sphere corresponding to zygote 30 is overlapped with second centre of sphere with sphere corresponding to zygote 33, is such as schemed
Shown in 12.Pass through the design, it can be ensured that the second power transmission unit 29 can smoothly be put with respect to the first power transmission unit 22
It is dynamic, so that power transmission process is more reliable and more stable.Meanwhile the above improvement is but also power transmission device 300 can be more stable
Ground is eliminated to the radial direction along the first power transmission unit 22 or along the radial vibration of the second power transmission unit 29, is further mentioned
The global reliability of power transmission device 300 is risen.
It should be noted that in the utility model others embodiment, the first ball with sphere corresponding to zygote 30
The heart can not be overlapped with second centre of sphere with sphere corresponding to zygote 33, at this point it is possible to control the second spherical shape for matching zygote 33
The radius of sphere corresponding to wall surface is less than or equal to the second maximum with zygote 33 along the axial line of the second power transmission unit 29
The radius of gyration.It is of course also possible to use the first outer wall with zygote 30 offsets with the cell wall of the first mating groove 23 or the second cooperation
The form that the outer wall of son 33 offsets with the cell wall of the second mating groove 25, the two take one.
It returns in the present embodiment, the first opposite sides with zygote 30 is equipped with second with zygote 33.And second matches zygote
33 are connected to first with zygote 30 by extending column 36, and extending column 36 is cylindrical, and the axial line of extending column 36 is the same as the second power
The axial line of Transmission Part 29 is vertical, and second is connected to one end for matching zygote 30 far from first of extending column 36 with zygote 33.Accordingly
Ground, for the second mating groove 25, the cell wall of the side far from the first mating groove 23 of the second mating groove 25 is cylindrical type wall
26, and the cell wall close to the side of the first mating groove 23 is then the planar wall 27 passed through for extending column 36.It, can by the design
While increasing the driving torque between the first power transmission unit 22 and the second power transmission unit 29, the first power is also increased
Effective contact area between Transmission Part 22 and the second power transmission unit 29, and make the first mating groove 23 and the second mating groove
25 cell wall area is bigger, but also the sum of first surface area with zygote 30, extending column 36 and second with 33 three of zygote is more
Greatly, increase effectively heat dissipation area, in face of by a small margin, the vibration of high-frequency high density when, the first power transmission unit 22 and the
Relative motion frequency between two power transmission units 29 can further increase, and the above structure can effectively ensure that heat dissipation effect, prevent
Only there is hot-spot, guarantees going on smoothly for transmission.
In other embodiments of the utility model, the second quantity with zygote 33 can also be 3,4 or more
It is multiple, and these second circumferential settings that can match zygote 30 along first with zygote 33, correspondingly, working as second matches zygote 33
Quantity difference when, the quantity of the second mating groove 25 also adjusts accordingly.In addition it is also possible to be to be located at first with 30 liang of zygote
Outer wall of the second of side with zygote 33 also offsets with the cell wall of the second mating groove 25, and first matches zygote 30 and the first mating groove 23
Cell wall do not fit and (have gap)；It can also be and only first fit with zygote 30 and the cell wall of the first mating groove 23, and
It does not fit positioned at first the second outer wall with zygote 33 with 30 two sides of zygote with the cell wall of the second mating groove 25.
It returns in the present embodiment, the cell wall of the first mating groove 23 also has resigning depressed area 24, and resigning depressed area 24 is run through
To the oral area of the first mating groove 23, the concave surface of resigning depressed area 24 is in pyramid type shape, and the width of resigning depressed area 24 is by first
Successively decrease in the direction of the oral area of mating groove 23 towards its bottom.It can be the second power using resigning depressed area 24 by the design
Transmission Part 29 is stepped down, and becomes much larger the swingable range of the second power transmission unit 29, this is for preventing emergency case from having
It plays an important role: if occurring strenuous vibration suddenly, can be borrowed between the second power transmission unit 29 and the first power transmission unit 22
It helps opposite swing by a larger margin to be buffered, under normal circumstances, along the swingable Fan Geng great of diameter line a, is allowed by setting
Position depressed area 24 makes to be consequently increased along the swingable range of diameter line b, so that power transmission device 300 be made to adapt to burst shake
Dynamic ability is stronger.
In addition, first has the mounting hole 31 through its own with zygote 30, mounting hole 31 is slideably equipped with installation
Bar 32, the second extending column 36 with zygote 33 have the engaging slot 37 that the end for same mounting rod 32 is detachably connected.Installation
Hole 31 is cylindrical, and mounting rod 32 is also cylindrical, and the outer diameter of mounting rod 32 is slightly less than the internal diameter of mounting hole 31, along mounting hole 31
Circumferential direction, first with zygote 30 with mounting rod 32 be flexibly connected.By the design, the second power transmission unit can be further promoted
29 performances that diametrically line b is swung, i.e. the second power transmission unit 29 can rely on spherical surface and be swung, and can also rely on peace
Dress bar 32 is swung, and keeps the flexibility of the second power transmission unit 29 in this direction higher, further to promote the first transmission
The harmony of 29 the two of part 1 and the second power transmission unit, to keep shaft 19 more flexible during rotation.
Further, power transmission mechanism further includes synchronizing wheel 40, and power device 38 and synchronizing wheel 40 are set to pedestal 39
And the two is connected by toothed belt transmission.The outer diameter of first connecting pin of the first power transmission unit 22 is incremented by and connects with synchronizing wheel 40
Connect, the first power transmission unit 22 is installed on the side of the separate pedestal 39 of synchronizing wheel 40, and the first power transmission unit 22 with it is synchronous
The rotational axis line of wheel 40 is overlapped setting.Pedestal 39 is also equipped with the straining pulley 41 for compressing synchronous belt, and 41 sets of straining pulley
Equipped with rubber sleeve, and rubber sleeve has multiple strip grooves 42, and multiple strip grooves 42 are recessed by the lateral wall of rubber sleeve forms simultaneously edge
Axially extending, circumferential uniform intervals setting of multiple strip grooves 42 along rubber sleeve of straining pulley 41.
Wherein, in Various Seasonal, how much synchronous belt can influence the tension of synchronous belt in the presence of certain " expanding with heat and contract with cold ", by
Corresponding " expanding with heat and contract with cold " can also occur in the rubber sleeve of straining pulley 41 and cause volume change, to guarantee that straining pulley 41 still can
It is enough to compress synchronous belt, guarantee that power smoothly transmits.Further, since the rubber sleeve of straining pulley 41 is provided with strip groove 42, more have
Help rubber sleeve to be expanded along the radial direction of straining pulley 41, so that it is guaranteed that it can in real time, fully compress synchronous belt.
It should be noted that power device 38 can be motor, being also possible to gasoline engine or diesel engine etc. can be provided
The device of power, and be not particularly limited.In the present embodiment, power device 38 is motor.
For control device 56, the combination of " processor+speed adjuster " can be used, processor is used for potentiometer 55
Electric signal handled, and to speed adjuster issue rate controlling instruction.Common speed control can be directly used in speed adjuster,
In an example be exactly: DC motor controller, at this point, corresponding power device 38 is also configured as direct current generator.But not
It is confined to this, other can realize that the device combination of speed control or single device can use.
Certainly, in other embodiments of the utility model, power device 38 can also be hub motor, at this point, phase
Synchronizing wheel 40, straining pulley 41 and the synchronous belt answered can save.But be not limited to that this, other can be used as providing power
Device or equipment are also used as power device 38.
In the other embodiment of the utility model, synchronous belt and synchronizing wheel 40 can also use the group of " gear+chain "
It closes to substitute, it certainly can also be using pure gear-driven form etc., it is not limited to " synchronous belt+synchronizing wheel above
40 " form, it is other to be used with deceleration and without the driving form of deceleration.
In conclusion novel differential gear 700 can carry out differential adjusting to two sides wheel during the turn, promote flat
Surely, it swimmingly turns, it is ensured that the safety in use process, while turning speed and the upper limit for amplitude of turning being made to get a promotion,
Corresponding vehicle performance is also optimized.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of novel differential gear characterized by comprising pedestal, rotating wheel, power device, tumbler, potentiometer and control
Device processed；
The rotating wheel be divided into the two sides of the pedestal and respectively the power device as described in one group drive, the control device and
The potentiometer is set to the pedestal, and the potentiometer is electrically connected with the control device；The tumbler is articulated with described
The rotation axis of pedestal, the tumbler is sequentially connected with the rotor of the potentiometer；
The tumbler drives the rotor when rotating, so that the signal that the control device can be transmitted according to the potentiometer
The output revolving speed of power device described in adjusting two groups, which is realized, adjusts the differential of the rotating wheel.
2. novel differential gear according to claim 1, which is characterized in that the pedestal is additionally provided with for driving described turn
The elastic component resetted to part, the elastic component are divided into the two sides of the tumbler and are connected to the pedestal and the tumbler
Between；Under natural conditions, the revolving speed between the rotating wheel is identical.
3. novel differential gear according to claim 2, which is characterized in that the tumbler is turning-bar, pedal or seat
At least one of stool.
4. novel differential gear according to claim 1, which is characterized in that the novel differential gear further include: wheel shaft
Connector and power transmission device；
The wheel shaft coupling piece includes the first driving member, the second driving member and connector；The connector includes connected first
Axis body and the second axle body, the first axle body are vertical with the second axle body；First driving member has described for accommodating
The inner cavity of connector, the first axle body are embedded at first driving member, along the circumferential direction of the first axle body, the first axle
Body is flexibly connected with first driving member；First driving member has the adjustment hole passed through for the second axle body, described
Adjustment hole is through to the outer wall of first driving member by the inner wall of the inner cavity, and the adjustment hole is along the first axle body
Circumferentially extending, the second axle body pass through the adjustment hole and connect with second driving member；First driving member it is remote
One end from second driving member is connected with the shaft of the rotating wheel, and second driving member is driven far from described first
One end of part is connected with the rotating wheel；Wherein, along the circumferential direction of the second axle body, the second axle body is the same as second transmission
Part is flexibly connected, and/or, along the circumferential direction of the second axle body, the second axle body is flexibly connected with the first axle body；
The power transmission device includes the first power transmission unit and the second power transmission unit；First power transmission unit has
First mating groove and the second mating groove, first mating groove and second mating groove are by first power transmission unit
Same end wall is formed along axial depression, and the cell wall close to second mating groove of first mating groove is penetrated through to described second
The axial line of mating groove, first mating groove is overlapped setting with the rotational axis line of first power transmission unit；It is described dynamic
Power device and first power transmission unit are set to the pedestal, and the other end of first power transmission unit is the same as the power
Device transmission connection；
Second power transmission unit one end is equipped with first and matches zygote with zygote and second, and described first matches zygote with described second
Power transmission unit connection, and the described first axial line with zygote is set with the rotational axis line coincidence of second power transmission unit
It sets, described second is connected to described first with zygote and radially extending along second power transmission unit with zygote；Described
The two power transmission unit other ends are connected with the shaft；Along the axial direction of first power transmission unit, described first can with zygote
It is slidably placed in first mating groove, described second is slidably received in second mating groove with zygote；Described
One outer wall with zygote offsets with the cell wall of first mating groove, and/or, the described second outer wall with zygote is the same as described second
The cell wall of mating groove offsets, so that described first matches zygote in the radial direction of first power transmission unit with zygote or described second
On be fixedly connected with first power transmission unit；Wherein, described first same cell wall to be used for zygote with zygote and described second
The wall surface to offset is spherical surface, so that second power transmission unit can be swung along first driving member around the first axle body
Plane swung, and/or, so that second power transmission unit is put along first driving member around the second axle body
Dynamic plane is swung.
5. novel differential gear according to claim 4, which is characterized in that the first axle body is through first transmission
Part, the first axle body offer the radial through-hole for supplying the second axle body to pass through and the axial direction with radial through-hole connection
Through-hole；The axially extending bore is removably combined with fastening screw, so that the fastening screw is by the first axle body and described
The second axle body is relatively fixed；Along the circumferential direction of the second axle body, the second axle body is flexibly connected with second driving member；Institute
The first driving member is stated in spherical, second driving member has the recessed portion for accommodating first driving member, the recess
The spherical shape in the concave surface in portion, and the radius of sphere corresponding to the concave surface is slightly larger than sphere corresponding to first driving member
Radius；The recessed portion offers the positioning through hole for cooperating with the second axle body, and the internal diameter of the positioning through hole omits
Greater than the outer diameter of the second axle body.
6. novel differential gear according to claim 4, which is characterized in that second driving member is used for the rotation
One end of wheel connection is in the shape of a rod and is removably arranged with convex block, and second driving member further includes positioning pin, the positioning pin
Run through second driving member and the convex block and removably being arranged radially along second driving member simultaneously；Described second
Driving member also has external screw thread, and the external screw thread is located at the side far from first driving member of the convex block；The rotation
The axle hole having for cooperating with second driving member is taken turns, the end of the axle hole is also provided with for the convex block
The groove of cooperation；When the convex block is matched with the groove, along the circumferential direction of the rotating wheel, the convex block is the same as the rotating wheel
It is fixedly connected, and the positioning pin is plugged in the convex block and second driving member by the cell wall of the groove.
7. novel differential gear according to claim 6, which is characterized in that second driving member is also arranged with bearing,
The bearing is located at the side close to the shaft of the convex block, and the outer ring of the bearing is also arranged and is fixedly connected with positioning
Set, the positioning sleeve have the mounting portion for installing at least one of turning power assisting device, bogie or axle positioning device.
8. novel differential gear according to claim 7, which is characterized in that the novel differential gear further include: first
Turning-bar, the second turning-bar and third turning-bar；The tumbler is rotatably arranged in the pedestal and its rotational axis line edge
The front-rear direction of the pedestal is arranged；One end of first turning-bar is articulated with the pedestal, and the other end is by universal hinging part
It is articulated with the bottom of the positioning sleeve；One end of second turning-bar is articulated with the pedestal, the other end by universal hinging part
Also the rear portion of the positioning sleeve is articulated with by universal hinging part；One end of the third turning-bar is articulated with the tumbler, separately
One end is articulated with the top of the positioning sleeve by universal hinging part；Both first turning-bar and the third turning-bar are separate
Rotational axis line of the rotational axis line of the hinge joint of the rotating wheel with the tumbler is arranged in parallel；
The rotating wheel pushing away in third turning-bar when rotating the tumbler, positioned at the side that the tumbler turns to
Its dynamic lower top and front are deflected towards the side far from the pedestal, the rotating wheel positioned at the side that the tumbler deviates from
At the top of it and front is deflected towards the pedestal under the pulling of the third turning-bar.
9. novel differential gear according to claim 8, which is characterized in that the pedestal is additionally provided with damper and V-shaped
Counter-jib, the V-type bottom of the counter-jib is articulated with the pedestal and its rotational axis line be parallel to the tumbler turn
Dynamic axial line, the counter-jib both ends are hinged with the damper, and one end far from the counter-jib of the damper is same
First turning-bar is hinged.
10. novel differential gear according to claim 4, which is characterized in that described first has through it certainly with zygote
The mounting hole of body, the mounting hole are slideably equipped with mounting rod, and described second has with zygote for the mounting rod
The engaging slot that is detachably connected of end；The mounting hole is cylindrical, and the mounting rod is also cylindrical, the mounting rod
Outer diameter is slightly less than the internal diameter of the mounting hole, and along the circumferential direction of the mounting hole, described first is movable with the mounting rod with zygote
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821984703.2U CN209505458U (en) | 2018-11-29 | 2018-11-29 | A kind of novel differential gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821984703.2U CN209505458U (en) | 2018-11-29 | 2018-11-29 | A kind of novel differential gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209505458U true CN209505458U (en) | 2019-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821984703.2U Active CN209505458U (en) | 2018-11-29 | 2018-11-29 | A kind of novel differential gear |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111608446A (en) * | 2020-04-27 | 2020-09-01 | 同济大学 | Differential braking coordination steering automobile transfer robot |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111608446A (en) * | 2020-04-27 | 2020-09-01 | 同济大学 | Differential braking coordination steering automobile transfer robot |
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