CN201276195Y - Vertical planet carrier wheel southward pointing cart structure - Google Patents
Vertical planet carrier wheel southward pointing cart structure Download PDFInfo
- Publication number
- CN201276195Y CN201276195Y CNU2008201520268U CN200820152026U CN201276195Y CN 201276195 Y CN201276195 Y CN 201276195Y CN U2008201520268 U CNU2008201520268 U CN U2008201520268U CN 200820152026 U CN200820152026 U CN 200820152026U CN 201276195 Y CN201276195 Y CN 201276195Y
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- bevel gear
- wheel
- gear
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- planet carrier
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Abstract
The utility model relates to a direction indication device with a vehicle structure type by utilizing the mechanical gear transmission theory, in particular to a southward pointing cart structure vertical to a planet carrier; the southward pointing cart is a two-wheel cart with a single thill; a left wheel (1) is coaxially connected with a left straight bevel gear (3) through a left shaft (2); the left straight bevel gear (3) can transmit a vertically allocated transition bevel gear (5) through a bridge bevel gear (4), the both rotational angles are identical with opposite directions; a right wheel (11) is coaxially connected with a right vertical gear (8) through a right shaft (10); a planet carrier bevel gear (6) is arranged between the transition bevel gear (5) and the right vertical gear (8); the planet carrier bevel gear (6) is a compound gear, the outer ring thereof is the bevel gear, the gear body is the planet carrier, a planet wheel (7) is allocated, the planet wheel (7) is respectively meshed with the transition bevel gear (5) and a side surface bevel gear on the opposite surface of the right vertical gear (8); the lower end of an upright guiding shaft (9) is a horizontally allocated guiding bevel gear (12); and the guiding bevel gear (12) is vertically meshed with the outer ring gear of the planet carrier bevel gear (6). The structure is simple, the use is convenient and intuitive, and the indication direction is right and accurate.
Description
(1) technical field
The utility model is a kind of direction indicating device, particularly relates to a kind of mechanical gear transmission principle that utilizes, and is the direction indicating device of vehicle structure form.
(2) background technology
Vehicle pointing to the south is that an important practical of Ancient Times in China is novel, passes on from one to another Yellow Emperor, a legendary ruler and public epoch in week to have occurred, and the Zhang Heng of the Eastern Han Dynasty, the Zu Chongzhi of the three state's horse an ancient unit of weight and the Northern and Southern Dynasties was all made vehicle pointing to the south, duplicated again during respectful and Wu Deren to Song Yan.Cherish successive dynasties later age except that fragmentary record, its concrete structure shape system is not provided.
Modern age, people also did some developments.But take a broad view of it, or low precision (as adopting disengaging type or friction-type etc.); Or structure member numerous and diverse (as adopting multistage conduction or some differential gear train etc.); Or indicate not (as adopting relative indicating means etc.) directly perceived.How to obtain a kind of comparatively ideal device? should simplify accurately again, and will be convenient to make, always be an interested project of science fan.
The structure of the above some mechanism, though each is variant, be symmetrically arranged but be, the mark post of direction indication all is the left-right symmetric centers that stand in mechanism, this generally is because its structure determines, yet, in the occasion of practical application, need to indicate mark post to be positioned at a side of entire mechanism sometimes, so that abdicate central more space design, arrange other parts, it is correct how to design a kind of sensing, the precision height, easy to use directly perceived, device simple in structure, and indicate mark post to be positioned at a side of whole device, pursue the focus that target like this more becomes scientific and technological fan.
(3) utility model content
The purpose of this utility model has provided a kind of simple in structure, and transmission is correct, and indication accurately indicates mark post to be positioned at the eccentric vehicle pointing to the south structure of a side of whole device.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of vertical planet carrier wheel southward pointing cart structure, described vehicle pointing to the south are single shafts cart, it is characterized in that:
Insert and put a pinion carrier bevel gear 6 between transition bevel gear 5 and the right vertical wheel 8;
Pinion carrier bevel gear (6) is a combined wheels, and the outer ring is a bevel gear, and wheel body is a pinion carrier, configuration line star-wheel (7), planetary wheel 7 respectively with transition bevel gear 5 and right vertical wheel 8 opposite faces on the engagement of side umbrella tooth;
The lower end of the guide axle 9 that stands vertically is the guide bevel gear 12 of horizontal arrangement, the outer ring gear Vertical Meshing of guide bevel gear 12 and pinion carrier bevel gear 6.
The top of described guide axle 9 is the direction pointer.The direction pointer can be image and refers to hand shape structure.
Adopt the technical program, when sulky vehicle is pulled when mobile, the rotation of both sides wheel drives with left and right two the vertical bevel gears of semiaxis and rotates synchronously in the same way; Wherein the left vertical bevel gear makes the two corner identical through the vertical bevel gear engagement with its transition of level gap bridge bevel gear, and direction is opposite.The satellite gear while of pinion carrier bevel gear meshes with the side umbrella tooth of transition bevel gear and right side bevel gear.Therefore, after the vertical bevel gear in both sides rotates,, will cause that pinion carrier is around self center shaft rotation through the satellite gear engagement.And, again rotation is converted into the rotation of the latter around self center shaft through the engagement of external tooth and horizontal guide wheel.
When vehicle is kept straight on, about two wheels, about two vertical wheels all produce identical corner, because of transition vertical wheel and left vertical wheel corner identical, direction is opposite, cause the planetary wheel of pinion carrier only to have " rotation " and do not have " revolution ", promptly pinion carrier does not rotate, and keeps dynamical equilibrium, thereby make horizontal guide wheel also not deflect, show that vehicle pointing to the south is in straight walking.
Work as Ackermann steer angle, the wheel travel distance difference of the left and right sides, the angle of rotating is also different, the pivot angle that is reflected to transition bevel gear and right side bevel gear has also produced deviation, small one and large one, and corresponding with the corner of both sides wheel, directly cause the satellite gear of middle planetary frame not only to have " rotation ", and also have " revolution "; Pinion carrier is rotated along with planetary " revolution ", and its direction determined by the moving big side in angle of pinion carrier two side gear transfers, and is half of difference of the two.
When the transmitting ratio λ of pinion carrier bevel gear and horizontal guide wheel equals the ratio λ of wheel diameter and wheelspan, especially when λ=1, that is: planet carrier wheel identical with horizontal guide wheel diameter, when wheel diameter equates with wheelspan, the deflection of guide wheel is identical with the corner size of vehicle pointing to the south, direction is opposite, is embodied in vehicle and turns and unswerving its sensing of pointer.
The beneficial effects of the utility model find expression in:
The structure of this vehicle pointing to the south and principle are all distincter, and be simple and reasonable, and compact and indicating accurately can be used as the assistant teaching aid of middle school student's physics study, is familiar with and deepens the knowledge of mechanical drive and transmitting ratio aspect thus.
Also can combine, design and produce some later-model toys, make it to have stronger recreational and scientific and technological intension, allow children in amusement, accept corresponding knowledge, to improve the interest that new knowledge is probed into most of machineries or dynamo-electric toy.
And the planet carrier wheel of the technical program is and is arranged vertically, and the indication mark post is positioned at a side of entire mechanism, abdicates the more large-area space of central authorities, can design, arrange other parts and device, and its Practical significance is bigger.
(4) description of drawings
The structural representation that Fig. 1 watches from fore-and-aft direction for a kind of vertical planet carrier wheel southward pointing cart structure of the utility model;
Fig. 2 is the structural representation of satellite gear, pinion carrier gear and guide axle;
Fig. 3 is the walking of a kind of vehicle pointing to the south structure of the utility model, the demonstration schematic diagram of turning.
Among the figure: the 1st, left wheel, the 2nd, left side axle, the 3rd, the vertical bevel gear in a left side, the 4th, gap bridge bevel gear, the 5th, transition bevel gear, the 6th, pinion carrier bevel gear, the 7th, planetary wheel, the 8th, right vertical wheel, the 9th, guide axle, the 10th, right axle, the 11st, right wheel, the 12nd, guide bevel gear.
(5) specific implementation method
Further describe structure of the present utility model below in conjunction with accompanying drawing.
As shown in the figure, the radius of establishing left wheel 1 and right wheel 11 is R0,
And planet carrier wheel bevel gear 6 is λ with the ratio of the radius of guide bevel gear 11.
After vehicle pointing to the south has rotated the α angle, advanced the respectively distance of S1=R1* α and S2=R2* α of 11 of left wheel 1 and right wheels, and also corresponding β 1=S1/R0 and the β 2=S2/R0 of having rotated of cooresponding left wheel 1 and right wheel 11.
By constructional drawing as can be known: vertical bevel gear 3 in a left side and left wheel 1 semiaxis interlock altogether, right vertical wheel 8 and the semiaxis interlock altogether of right wheel 11; So transition bevel gear 5 and the engagement of the vertical bevel gear 3 in a left side because of gap bridge bevel gear 4 are opposite sign but equal magnitude.
From constructional drawing also as can be known: the corner of pinion carrier bevel gear 6 for the difference of transition bevel gear 5 and right vertical wheel 8 corners half, also is half of difference of left wheel 1 and right wheel 11 corners; Guide bevel gear 12 is designated as α ' with pinion carrier bevel gear 6 engagements, its change angle.
: α '=| β 1-β 2|* λ/2=(S1/R0-S2/R0) * λ/2
＝(R1-R2)*λ*α/2R0
By following formula as can be known:
When getting: λ=1, and between-wheel spacing D (| when R1-R2|) being wheel diameter 2R0, α '=α.
Or: when satisfy between-wheel spacing D (| R1-R2|) ratio with wheel diameter 2R0 is: during 1/ λ, can get equally: α '=α.
Get: λ=1.The big or small shape system of the vertical bevel gear 3 in a left side, right vertical wheel 8 and transition bevel gear 5 can be in full accord, even the also desirable phase similar shape system of bridge bevel gear 4, and benefit is processing easily and allows to exchange.Left side axle 2 interlocks altogether of the vertical bevel gear 3 of left wheel 1 with a left side, right altogether axle 10 interlocks of right wheel 11 and right vertical wheel 8, i.e. the rotation of wheel can rotate respective gears by total semiaxis synchronously.Simultaneously the vertical bevel gear 3 in a left side is because of the engagement of gap bridge bevel gear 4, again the pivot angle of left wheel 1 is shone upon the corner for transition bevel gear 5, and size is consistent, and direction is opposite.Transition bevel gear 5 has the small planetary gear 7 of internal tooth and pinion carrier bevel gear 6 to mesh with the break-in face of right vertical wheel 8, the circle tooth then meshes with guide bevel gear 12 outside the pinion carrier bevel gear 6, guide bevel gear 12, guide axle 9 refer to that together with the image of top hand also rotates to show direction.So far, except that the planetary wheel 7 of pinion carrier bevel gear 6, turning cylinders of all each wheel are all on same plane, and 3,5,8,6 take turns with wheel 1,11 and are in same axis.The fine setting between-wheel spacing makes it to equate with wheel diameter.Doing any advancing when vehicle pointing to the south falls back or when turning to, its guide bevel gear 12, guide axle 9 will reflect synchronously that the image of top refers to unswerving its sensing of hand.
The structure of this vehicle pointing to the south and principle are all distincter, and be simple and reasonable, and compact and indicating accurately can be used as the assistant teaching aid of middle school student's physics study, is familiar with and deepens the knowledge of mechanical drive and transmitting ratio aspect thus.
Also can combine, design and produce some later-model toys, make it to have stronger recreational and scientific and technological intension, allow children in amusement, accept corresponding knowledge, to improve the interest that new knowledge is probed into most of machineries or dynamo-electric toy.
On the basis of vehicle pointing to the south principle, can make and research and develop some automatic tracking devices, as the Dynamic Photography platform or aim at cannon etc. voluntarily.
The demand that a lot of automatic trackings aspect is often arranged in the life, as: sports photography, the photography of high speed animal, big scene film making and monitoring tracking etc. also need the handy cannon of aiming voluntarily in the military affairs, and some unmanned probing devices in the scientific research.Its servo control unit can realize driven in synchronism by the running of guide axle 9, makes the locomotive (or cannon) in travelling aim at same direction, and the people only need do some range finding and finely tune just passable for controlling this moment.
The vehicle pointing to the south of trip map can be write down and draw to development automatically.
We know a rolling glueballs in mechanical mouse, the friction interlock is the thin roll shaft of pair of orthogonal with it, in rectangular coordinate system, corresponds respectively to X-axis and Y-axis, and the roll shaft end respectively has one group of grating wheel and electro-optical tubes combination.When mouse moves, the rolling of glueballs will cause the rotation of grating wheel, through the detection and the corresponding calculating of electro-optical tubes, can learn mouse having moved along X-axis and Y-axis.
At this, we can be installed in the combination of two groups of grating wheels and electro-optical tubes respectively on the guide axle 9 of vehicle pointing to the south and on wheel left side axle 2 or the right axle 10.Make vehicle pointing to the south be in the polar coordinate system, when it was advanced, the former can predict the variation of polar angle, and the latter can predict the variation in utmost point footpath.Can learn that through corresponding conversion the correspondence of vehicle pointing to the south in the X-Y plane system of axes changed.
With above-mentioned variation corresponding to X-axis and Y-axis, form log file through the computer input, through showing and printout, can obtain the travel path of vehicle pointing to the south again.
As above-mentioned technology and GPS position fixing system are organically combined, go out some new application in military field and civilian aspect developing surely.
Claims (2)
1. vertical planet carrier wheel southward pointing cart structure, described vehicle pointing to the south is single shafts cart, it is characterized in that:
Left wheel (1) is through the vertical bevel gear (3) in the coaxial connection of left side axle (a 2) left side, and the vertical bevel gear (3) in a left side is through the transition bevel gear (5) of gap bridge bevel gear (4) transmission arranged perpendicular;
Right wheel (11) is through the right axle right vertical wheel of (10) coaxial connection (8);
Insert and put a pinion carrier bevel gear (6) between transition bevel gear (5) and the right vertical wheel (8);
Pinion carrier bevel gear (6) is a combined wheels, and the outer ring is a bevel gear, and wheel body is a pinion carrier, configuration line star-wheel (7), planetary wheel (7) respectively with transition bevel gear (5) and right vertical wheel (8) opposite face on the engagement of side umbrella tooth;
The lower end of the guide axle (9) that stands vertically is the guide bevel gear (12) of horizontal arrangement, the outer ring gear Vertical Meshing of guide bevel gear (12) and pinion carrier bevel gear (6).
2. vehicle pointing to the south structure according to claim 1, the top that it is characterized in that described guide axle (9) is the direction pointer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201520268U CN201276195Y (en) | 2008-08-15 | 2008-08-15 | Vertical planet carrier wheel southward pointing cart structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201520268U CN201276195Y (en) | 2008-08-15 | 2008-08-15 | Vertical planet carrier wheel southward pointing cart structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201276195Y true CN201276195Y (en) | 2009-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201520268U Expired - Fee Related CN201276195Y (en) | 2008-08-15 | 2008-08-15 | Vertical planet carrier wheel southward pointing cart structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201276195Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259664A (en) * | 2011-04-29 | 2011-11-30 | 上海市莘格高级中学 | South-pointing vehicle |
-
2008
- 2008-08-15 CN CNU2008201520268U patent/CN201276195Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259664A (en) * | 2011-04-29 | 2011-11-30 | 上海市莘格高级中学 | South-pointing vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090722 Termination date: 20100815 |