CN108815859A - A kind of carbon-free trolley reversing mechanism - Google Patents
A kind of carbon-free trolley reversing mechanism Download PDFInfo
- Publication number
- CN108815859A CN108815859A CN201810744241.5A CN201810744241A CN108815859A CN 108815859 A CN108815859 A CN 108815859A CN 201810744241 A CN201810744241 A CN 201810744241A CN 108815859 A CN108815859 A CN 108815859A
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- gear
- wheel
- vehicle frame
- circle wheel
- reel
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- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 230000003447 ipsilateral effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 17
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H17/00—Toy vehicles, e.g. with self-drive; ; Cranes, winches or the like; Accessories therefor
- A63H17/26—Details; Accessories
- A63H17/36—Steering-mechanisms for toy vehicles
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H29/00—Drive mechanisms for toys in general
- A63H29/08—Driving mechanisms actuated by balls or weights
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H29/00—Drive mechanisms for toys in general
- A63H29/24—Details or accessories for drive mechanisms, e.g. means for winding-up or starting toy engines
Landscapes
- Handcart (AREA)
Abstract
The invention discloses a kind of carbon-free trolley reversing mechanisms,One end of vehicle frame is rotatablely connected Rotational Cylindrical,Rotational Cylindrical is equipped with cross bar,The both ends of cross bar are equipped with deflecting roller,Vehicle frame is equipped with bracket,Drive shaft,Around reel for rope and reversing shaft,The first circle wheel and the second circle wheel are equipped with around the both ends of reel for rope,First circle wheel is equipped with arc plate,The both ends of reversing shaft are equipped with reel,Drawstring is equipped between reel deflecting roller,On the inside of right turn wheel,Reversing shaft also close-fitting rubber wheel,The side of corresponding first circle wheel is equipped with spring leaf on the vehicle frame,Spring leaf upper end is provided with sliding block,Lower end is mounted on balance weight,Middle and lower sections and rubber wheel match,The balance weight has straight pin to be located on vehicle frame,It can be swung with straight pin center,The two sides of second circle wheel are respectively equipped with the first gear piece and the second gear piece,Reversing shaft is equipped with first gear,Vehicle frame is equipped with second gear,Second gear piece is engaged with second gear,The present invention provides a kind of carbon-free trolley steering mechanism of energy auto-steering.
Description
Technical field
The present invention relates to realia fields, are more particularly to a kind of carbon-free trolley reversing mechanism.
Background technique
Present innovative education class, mainly lacks education in kind, student using forms such as picture literature come enlightening teaching student
To this kind of complicated Vehicle structure, it is not easy to understand and receive, student's Innovation Interest can not be excited.Currently, each school instruction student,
Each mechanism of carbon-free trolley reversing mechanism of design, is all the combination of traditional mechanism, lacks Innovative Elements, and it is more can not to accelerate culture
Innovation talent.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of carbon-free trolley reversing mechanisms of energy automatic turning.
To achieve the above object, the present invention provides following technical solutions：A kind of carbon-free trolley reversing mechanism, including vehicle
Frame, one end of the vehicle frame are rotatably connected to vertical Rotational Cylindrical, and the Rotational Cylindrical is equipped with horizontal cross bar, the cross bar
Both ends are equipped with deflecting roller, and the vehicle frame is equipped with reversing shaft and around reel for rope, and the roll is connected with driving mechanism, it is described around
The both ends of reel for rope are respectively equipped with the first circle wheel and the second circle wheel, and the first circle wheel is equipped with two pieces of circular arcs for stretching out the first circle wheel
Piece, the both ends of the reversing shaft are equipped with reel, and two reels are equipped with drawstring between two deflecting rollers respectively, change
It is tightened to axis and is furnished with rubber wheel, the side of corresponding first circle wheel is equipped with spring leaf and balance weight, spring leaf upper end on the vehicle frame
Provided with sliding block, lower end is mounted on balance weight, and middle and lower sections and rubber wheel match, and the balance weight is located in vehicle by straight pin
It on frame, is swung with straight pin center, the two sides of the second circle wheel are respectively equipped with the first gear piece and the second gear piece, described to change
The first gear cooperated with the first gear piece is equipped with to axis, the vehicle frame is equipped with second gear engaged with the first gear, institute
The second gear piece is stated to engage with second gear, first gear piece and second gear mutually from.Second gear piece and first gear phase
From.
Further described two arc plates are located at the ipsilateral of the first circle wheel, and driving gear is set to the outermost of the first circle wheel
Side.
In conclusion automatic reverse during exercise is arranged by the position of the first gear piece and the second gear piece in trolley of the invention
Movement, conducive to the creative ability development of student, improves the innovation enthusiasm of student.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of carbon-free trolley reversing mechanism of the present invention；
Fig. 2 is a kind of fragmentary cross-sectional view of carbon-free trolley reversing mechanism of the present invention；
Fig. 3 is the structural schematic diagram at a kind of the second circle wheel of carbon-free trolley reversing mechanism of the present invention；
Fig. 4 is the structural schematic diagram at a kind of the first circle wheel of carbon-free trolley reversing mechanism of the present invention；.
Fig. 5 is a kind of carbon-free trolley reversing mechanism of the invention steering mechanism partial schematic diagram one；
Fig. 6 is a kind of carbon-free trolley reversing mechanism of the invention steering mechanism partial schematic diagram two.
Mark explanation：1, vehicle frame；2, the second circle wheel；3, the first circle wheel；4, driving gear；5, arc plate；6, reversing shaft；7,
Second gear；8, reel；9, first gear；10, the first gear piece；11, the second drawstring；12, the second gear piece；13, driving wheel；
14, driven gear；15, drive shaft；16, deflecting roller；17, cross bar；18, Rotational Cylindrical；19, around reel for rope；20, Reinforced Hoop；21, first
Drawstring 21；22, pouring weight 22；23, fixed pulley 23；24, balance weight 24.25, spring leaf 25；26, sliding block 26.27, rubber wheel 27.
28, straight pin 28.
Specific embodiment
It is described further referring to figs. 1 to a kind of embodiment of carbon-free trolley reversing mechanism of 6 couples of present invention.
One end of a kind of carbon-free trolley reversing mechanism, including vehicle frame 1, the vehicle frame 1 is rotatably connected to vertical Rotational Cylindrical
18, the Rotational Cylindrical 18 is equipped with horizontal cross bar 17, and the both ends of the cross bar 17 are equipped with deflecting roller 16, on the vehicle frame 1
Equipped with bracket, drive shaft 15, around reel for rope 19 and with around the parallel reversing shaft 6 of reel for rope 19, the bracket is equipped with the first drawstring, institute
The one end for stating the first drawstring is connected with pouring weight, and the other end is coiled on reel for rope 19, and the both ends around reel for rope 19 are respectively equipped with
First circle wheel 3 and the second circle wheel 2, the first circle wheel 3 are equipped with two pieces of arc plates 5 for stretching out the first circle wheel 3, the reversing shaft
6 both ends are equipped with reel 8, and reversing shaft 6, which tightens, is furnished with rubber wheel, and the side of corresponding first circle wheel 3 is equipped on the vehicle frame 1
Spring leaf and balance weight, spring leaf upper end are provided with sliding block, and lower end is mounted on balance weight, and middle and lower sections and rubber wheel match, institute
It states balance weight to be located on vehicle frame 1 by straight pin, be swung with straight pin center, two reels 8 are respectively with two
The second drawstring 11 is equipped between a deflecting roller 16, the side of corresponding first circle wheel 3 is equipped with fixed block on the vehicle frame 1, described solid
Determine block and be equipped with the brake block cooperated with reversing shaft 6, one end of the brake block is equipped with the briquetting cooperated with arc plate 5, described
The two sides of second circle wheel 2 are respectively equipped with the first gear piece 10 and the second gear piece 12, and the reversing shaft 6 is equipped with matches with the first gear piece 10
The first gear 9 of conjunction, the vehicle frame 1 are equipped with the second gear 7 engaged with first gear 9, second gear piece 12 and second
Gear 7 engages, and first gear piece 10 is with 7 phase of second gear from second gear piece 12 is with 9 phase of first gear from the drive
Moving axis 15 is equipped with driving wheel 13, and one end of the drive shaft 15 is equipped with driven gear 14, the first circle wheel 3 be equipped with from
The driving gear 4 that moving gear 14 cooperates.
Working principle：First weight-drop drive the first drawstring decline, thus drive the first drawstring coiling around reel for rope 19
Rotation drives 2 rotation of the first circle wheel 3 and the second circle wheel around the rotation of reel for rope 19, and the driving gear 4 on the first circle wheel 3 drives driving
Driven gear 14 on axis 15 rotates, so that driving wheel 13 rolls, driving trolley advances, and simultaneously the second circle wheel 2 is rotating
During the first gear piece 10 can engage with first gear 9, first gear 9 rotate, thus drive reversing shaft 6 rotation, need
Bright be the reel 8 at 6 both ends of reversing shaft direction of winding be it is opposite, when the rotation of reversing shaft 6, left end reel
8 coiling the second drawstrings of the left side 11, pull cross bar 17 to rotate by the second drawstring 11.Accordingly, left steering wheel 16 rotates.Meanwhile it is right
It holds reel 8 to release the right 11 line of the second drawstring, is able to rotate cross bar 17.Accordingly, right turn wheel 16 rotates.Assuming that at this moment horizontal
Bar 17 is not parallel to reversing shaft 6, and angle is 17 steering locking angle degree half of cross bar, and angle is open to the left.So at this moment trolley to
Right bending motion, bending radius is increasing, and when 10 center tooth of the first gear piece is engaged with first gear 9, trolley is instantaneously made directly
Line movement, bending radius are infinity.Then, trolley movement bending to the left, bending radius is smaller and smaller, when the first gear piece 10 with
When the engagement of first gear 9 is detached from, trolley bending radius is minimum.At this moment, arc plate 5 pushes sliding block on the first circle wheel 3, makes spring leaf
Rubber wheel is checked, to check reversing shaft 6, at this moment cross bar 17 is not parallel to reversing shaft 6, and angle, which is that cross bar 17 is maximum, to be turned to
Angle half, angle are open to the right, make trolley under bending radius invariant state, circle, sliding block can be pressed in arc plate 5
Upper sliding.When the second circle wheel 2 continues to rotate, after turning an angle, sliding block, which can be detached from, to be pressed in above arc plate 5.Meanwhile second
Gear piece 12 is engaged with second gear 7, and second gear 7 is driven to rotate, and the rotation of second gear 7 drives first gear 9 to rotate backward, i.e.,
Trolley movement bending to the left.Meanwhile bending radius is increasing, it is small when 12 center tooth of the second gear piece is engaged with second gear 7
Vehicle is instantaneously for linear motion, and bending radius is infinity.Then, trolley movement bending to the right, bending radius is smaller and smaller, when
When two gear pieces 12 engage disengaging with second gear 7, trolley movement bending to the right, bending radius minimum.At this moment, on the first circle wheel 3
Another arc plate 5 pushes sliding block, and spring leaf has checked rubber wheel, to check reversing shaft 6, at this moment cross bar 17, which is not parallel to, is changed
To axis 6, angle is 17 steering locking angle degree half of cross bar, and angle is open to the left, makes trolley under bending radius invariant state, is made
Circular motion, sliding block can be pressed in arc plate 5 and slide over.When the second circle wheel 2 is after turning an angle, sliding block can be detached from and be pressed in
Arc plate 5 slides over.Meanwhile first gear piece 10 engage with first gear 9 and engage again, repetitive cycling.
Need to illustrate one, the first gear piece 10 is engaged with first gear 9, makes 0.5 circle of the rotation of first gear 9, the second gear piece 12
It is engaged with second gear 7, making second gear 7 is also 0.5 circle of rotation.Due to the first gear piece 10 with 7 phase of second gear from the second tooth
Piece 12 is with 9 phase of first gear from work, corresponding gear piece is only engaged with corresponding gear, will not be influenced each other, it is ensured that small
The normal direction of rotation of vehicle.
It needs to illustrate two：First, when sliding block does not slide on arc plate 5, that is, when gear piece is engaged with gear, rely on
The gravity of balance weight makes spring leaf swing origin-location, between realization spring leaf and rubber wheel outer circle and outside sliding block and circle wheel
Gap 0.1-0.2 millimeters or so between circle.When guaranteeing that gear piece is engaged with gear, the friction resistance of sliding block and spring leaf when not coming
Torque makes trolley have the movement of more large driving force square.Second, on 6 right sections of reversing shaft, the close-fitting big rubber wheel of coefficient of friction is made
For brake wheel, when gear piece is just separated with gear engagement, that is, when the promotion sliding block swing of arc plate 5, pass through spring leaf and rubber
The contact of skin wheel, checks reversing shaft 6, is normally engaged with meeting next gear piece with gear.Third, sliding block select coefficient of friction very little
Material manufacture.Make frictional resistance very little suffered by trolley, to realize that trolley keeps proper motion.4th, balance weight oscillation center
It is 6 times of balance weight oscillation center to spring leaf with rubber wheel contact point distance to sliding block and 5 contact point distance of arc plate, in this way
As long as designing sliding block by little force, make on rubber wheel by more energetically.Aforementioned four characteristic point combination, forms new technology
For feature --- -- when gear piece is engaged with gear, on arc plate 5 and rubber wheel is not all by frictional force, that is, around 19 He of reel for rope
Reversing shaft 6 ensure that trolley when bending radius and direction change move, needs driving moment not by frictional resistance moment.
And when gear piece is separated with gear engagement, that is, sliding block slides on arc plate 5, to consume very little driving moment, therefore, if
Timing allows trolley to move under bending radius stationary state.Relatively small driving moment can be used, at this moment to meet trolley just
Often movement.
It needs to illustrate three：First, left and right 8 diameter d of reel is equal, and the left and right coiling of reel 8 or releasing second are drawn
Rope 11,8 maximum rotation 0.5 of reel circle.Second, left and right second drawstring 11 is equal with diameter 2r0 at 17 contact point of cross bar.The
Three, left and right second drawstring, 11 rope end is equidistant with 17 fixed point of cross bar to 17 center of rotation of cross bar, i.e., size is all r.The
Four, left and right second drawstring 11 is equidistant with 8 contact point of reel to 17 center of rotation of cross bar, i.e., size is all s.5th,
Not only s=0.5（r +r×conβ0）（β 0 be cross bar 17 rotate when steering shaft between maximum angle value）, and 0.5 (r- r
× con β 0) value is 0.015 times of y0 value or less.6th, left and right second drawstring 11 is manufactured with line footpath very little multi-strand cable, line footpath phase
For 8 diameter 1/200 or so of reel, to guarantee that left and right second drawstring 11 can be using the very big material manufacture of elasticity modulus（Such as
Finer wire etc.）, to guarantee 17 rotational stability of cross bar.Features described above combines to form new technical feature：When the rotating forward of reversing shaft 6, i.e.,
Left reel 8 coils left second drawstring, 11 length and right reel 8 releases 11 equal length of right second drawstring.When reversing shaft 6 is anti-
Turn, i.e., left reel 8 release left second drawstring, 11 length and right reel 8 to coil 11 length of right second drawstring also equal.Meet
Mechanism rotates geometry size, ensure that steering mechanism's reliability and stability.
Effect：Steering mechanism simplifies, particularly as long as 2 drawstrings, just solve and multiple mechanisms is needed to carry out transformed space
Power and movement relation problem, manufacturing cost are greatly reduced.
By above-mentioned setting, realize that the automatic reverse campaign of trolley improves student's conducive to the creative ability development of student
Innovate enthusiasm.
Driving wheel 13 in the present embodiment uses big elastic modulus material, keeps its rolling mill resistance small, can make trolley in this way
Travel is longer.
Preferably the bracket is equipped with fixed pulley to the present embodiment, and first drawstring bypasses fixed pulley, reduces first and draws
The frictional force of rope.
The present embodiment preferably the bracket middle part be equipped with Reinforced Hoop 20, the stability for reinforced support.
Preferably described two arc plates 5 are located at the ipsilateral of the first circle wheel 3 to the present embodiment, and driving gear 4 is set to the first circle
The outermost of wheel 3, is easily installed driving gear 4.
The two sides of the preferred driven gear 14 of the present embodiment are respectively equipped with pinion stand and hold nut tightly, on driving wheel 13
75% or so of trolley and pouring weight quality is born, driving wheel 13 and desktop frictional force are big, when making to drive moving of car, will not skid,
Trolley deflecting roller 16 bears 25% or so of trolley and pouring weight quality simultaneously, and when trolley being made to turn, deflecting roller 16 and ground have enough
Frictional force will not skid.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (2)
1. a kind of carbon-free trolley reversing mechanism, including vehicle frame, it is characterized in that：One end of the vehicle frame is rotatably connected to vertical turn
Dynamic column, the Rotational Cylindrical are equipped with horizontal cross bar, and the both ends of the cross bar are equipped with deflecting roller, and the vehicle frame is equipped with commutation
Axis and around reel for rope, the roll are connected with driving mechanism, and the both ends around reel for rope are respectively equipped with the first circle wheel and the second circle
Wheel, the first circle wheel are equipped with two pieces of arc plates for stretching out the first circle wheel, and the both ends of the reversing shaft are equipped with reel, and two
A reel is equipped with drawstring between two deflecting rollers respectively, and reversing shaft, which tightens, is furnished with rubber wheel, corresponding on the vehicle frame
The side of first circle wheel is equipped with spring leaf and balance weight, and spring leaf upper end is provided with sliding block, and lower end is mounted on balance weight, under
Section matches with rubber wheel, and the balance weight is located on vehicle frame by straight pin, is swung with straight pin center, and described second
The two sides of circle wheel are respectively equipped with the first gear piece and the second gear piece, and the reversing shaft is equipped with the first tooth cooperated with the first gear piece
Wheel, the vehicle frame are equipped with second gear engaged with the first gear, and second gear piece is engaged with second gear, and described first
Gear piece and second gear mutually from, second gear piece and first gear phase from.
2. a kind of carbon-free trolley reversing mechanism according to claim 1, it is characterized in that：Described two arc plates are located at first
Ipsilateral, outermost of the driving gear set on the first circle wheel of circle wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744241.5A CN108815859B (en) | 2018-07-09 | 2018-07-09 | Carbon-free trolley reversing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744241.5A CN108815859B (en) | 2018-07-09 | 2018-07-09 | Carbon-free trolley reversing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108815859A true CN108815859A (en) | 2018-11-16 |
| CN108815859B CN108815859B (en) | 2024-05-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810744241.5A Active CN108815859B (en) | 2018-07-09 | 2018-07-09 | Carbon-free trolley reversing mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN108815859B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0722799U (en) * | 1993-10-04 | 1995-04-25 | 株式会社ハンザワ・コーポレーション | Vehicle toys |
| CN102139163A (en) * | 2011-01-18 | 2011-08-03 | 淮阴工学院 | Non-carbon competition model and adjusting method thereof |
| CN102266671A (en) * | 2011-05-26 | 2011-12-07 | 淮阴工学院 | Carbon-free cart for traversed S-shaped traveling |
| CN103405934A (en) * | 2013-08-06 | 2013-11-27 | 苏州市职业大学 | Energy-conversion-driven steerable three-wheel carbon-free trolley |
| CN105251214A (en) * | 2015-11-20 | 2016-01-20 | 三江学院 | Carbon-free trolley |
| CN107096235A (en) * | 2017-05-09 | 2017-08-29 | 哈尔滨理工大学 | A kind of utilization single wheel drive and the carbon-free trolley of steering |
| CN206587403U (en) * | 2017-03-14 | 2017-10-27 | 西安科技大学 | A kind of " S " type track crossing obstacle automatically hinders carbon-free trolley |
| CN207153104U (en) * | 2017-09-07 | 2018-03-30 | 华北电力大学 | Box of tricks and carbon-free trolley |
| CN208927595U (en) * | 2018-07-09 | 2019-06-04 | 俞度 | A kind of carbon-free trolley reversing mechanism |
-
2018
- 2018-07-09 CN CN201810744241.5A patent/CN108815859B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0722799U (en) * | 1993-10-04 | 1995-04-25 | 株式会社ハンザワ・コーポレーション | Vehicle toys |
| CN102139163A (en) * | 2011-01-18 | 2011-08-03 | 淮阴工学院 | Non-carbon competition model and adjusting method thereof |
| CN102266671A (en) * | 2011-05-26 | 2011-12-07 | 淮阴工学院 | Carbon-free cart for traversed S-shaped traveling |
| CN103405934A (en) * | 2013-08-06 | 2013-11-27 | 苏州市职业大学 | Energy-conversion-driven steerable three-wheel carbon-free trolley |
| CN105251214A (en) * | 2015-11-20 | 2016-01-20 | 三江学院 | Carbon-free trolley |
| CN206587403U (en) * | 2017-03-14 | 2017-10-27 | 西安科技大学 | A kind of " S " type track crossing obstacle automatically hinders carbon-free trolley |
| CN107096235A (en) * | 2017-05-09 | 2017-08-29 | 哈尔滨理工大学 | A kind of utilization single wheel drive and the carbon-free trolley of steering |
| CN207153104U (en) * | 2017-09-07 | 2018-03-30 | 华北电力大学 | Box of tricks and carbon-free trolley |
| CN208927595U (en) * | 2018-07-09 | 2019-06-04 | 俞度 | A kind of carbon-free trolley reversing mechanism |
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| Publication number | Publication date |
|---|---|
| CN108815859B (en) | 2024-05-28 |
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