CN106422351A - Carbon-free trolley realizing trolley steering by using synchronous belt transmission and steering method - Google Patents
Carbon-free trolley realizing trolley steering by using synchronous belt transmission and steering method Download PDFInfo
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- CN106422351A CN106422351A CN201610955098.5A CN201610955098A CN106422351A CN 106422351 A CN106422351 A CN 106422351A CN 201610955098 A CN201610955098 A CN 201610955098A CN 106422351 A CN106422351 A CN 106422351A
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Classifications
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- 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
-
- 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
-
- 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
- A63H31/00—Gearing for toys
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Abstract
The invention discloses a carbon-free trolley realizing trolley steering by using synchronous belt transmission and a realization method of the carbon-free trolley realizing the trolley steering by using the synchronous belt transmission. The carbon-free trolley realizing the trolley steering by using the synchronous belt transmission comprises a frame, a potential energy conversion and driving mechanism mounted at the rear part of the frame, and a steering mechanism mounted at the front part of the frame, wherein the potential energy conversion and driving mechanism comprises a differential, a rope sheave, a main synchronous wheel and a synchronous belt, the steering mechanism comprises an auxiliary synchronous wheel; the rope sheave is tightly sleeved on an outer shell of the differential and drives the differential to rotate, the main synchronous wheel is sleeved on the outer shell of the differential and synchronously rotates with the differential, and the auxiliary synchronous wheel and the main synchronous wheel are perpendicular to each other in the axial direction and connected through a space synchronous belt to complete the transmission of the auxiliary synchronous wheel and the main synchronous wheel of which the axes are perpendicular to each other. According to the invention, the space synchronous belt transmission is used, so that the transmission efficiency can be kept more than 95%, furthermore, the carbon-free trolley realizing the trolley steering by using the synchronous belt transmission has the advantages of simple structure, convenient assembly and disassembly, stable transmission and low friction loss between transmission pairs; the differential is added at a rear axle to greatly reduce the energy loss caused by the slip of wheels on the inner sides while steering, furthermore, compared with single-wheel drive, left and right steering angles have no inherent deviations.
Description
Technical field
The present invention relates to a kind of running on wheels dolly, in particulaing relate to a kind of utilization potential energy is the carbon-free little of driving force
Car, is mainly used in the entertaining activity exciting teenager that machine power is transmitted, and belongs to teaching and the demonstration side of walking apparatus work
Formula and engineering device technique field.
Background technology
With the lifting of people's energy-conserving and environment-protective consciousness, carbon-free theory is also increasingly put on the problem of research by people.More
Clean, more environmentally friendly, more energy efficient, more efficient theory is also rooted in the hearts of the people." carbon-free trolley " is the exploration to " carbon-free " theory and open
Send out, the hope to following " carbon-free "." carbon-free trolley " is skillfully constructed, and has taken into full account outward appearance and become under the requirement of complete design
This problems such as, facilitate later extension and further exploitation.And most of junior-senior high school can be met and university student knows to machinery
Know experiment and the understanding of practice.There is far-reaching influence to exciting teenager to the enthusiasm of mechanical realization.
So-called " carbon-free trolley " is with gravitional force as sole energy, has the three wheeler of continuous obstacle function, real
Showed truly is carbon-free.Existing " carbon-free trolley " is to drive rope sheave to rotate using the gravitional force that weight declines, then
Drive a set of eccentric or cam-and- drive front-wheel by set of gears transmission mechanism, realize the serpentine walking of dolly,
But the mode structure of this transmission is sufficiently complex, stuck phenomenon easily, therefore necessary this is improved.
By to domestic patent retrieval, finding there are Patents, being now exemplified below:
1. number of patent application 201520068199.1, the utility model of entitled carbon-free trolley of 8-shaped track " a kind of walk " is special
Profit disclose a kind of walk 8-shaped track carbon-free trolley, including vehicle frame, driving mechanism, walking mechanism, steering mechanism, driver
Structure, driving mechanism includes tripod, pulley, trapezoidal wheel, drive shaft, bearing block, and walking mechanism includes two rear drive sprockets, turns to
Mechanism includes front-wheel, fork arm, and transmission mechanism includes gear wheel, gear shaft, pinion stand, little gear, cam, push rod, ram seat, bullet
Spring, connecting rod, adjusting screw rod/nut, the beneficial effects of the utility model are:Between each parts, frictional force is little, to car
Loss is little;Trolley body is simple, single gear transmission, and loss of energy is few;By designing suitable cam contour, dolly can be made to obtain
To desired movement, and structure is simple, compact, it is convenient to design;Position is coupled with connecting rod by adjusting screw rod/nut adjustment push rod
Put, the movement locus of dolly can be adjusted within the specific limits, make dolly accurately avoiding obstacles;Dolly light weight and smart
Ingeniously, travel distance is remote.
2. number of patent application CN201510347353.3, the sending out of entitled the obstacle detouring carbon-free trolley of walking " one kind " ∽ " shape "
Bright patent discloses a kind of obstacle detouring carbon-free trolley of " ∽ " shape walking, and potential energy support 4 passes through wire wheel axis 14 hookup wire wheel support 3 He
Two grades of fixed pulleys 1, front-wheel support 6 installs front-wheel 7 through front-wheel steer axle, and drive shaft 16 installs driving wheel 20 and driven pulley 11,
In drive shaft 16, little gear 12 is installed, roll 14 is installed gear wheel 13 and small belt pulley 17, the axle being connected with crank connecting link 9
On big belt pulley 18 is installed.Little gear 12 engages gear wheel 13, and small belt pulley 17 connects big belt pulley 18, line by belt 19
One end of rope 22 connects potential energy block 2, and cotton rope 22 bypasses two grades of fixed pulleys 1 and is wrapped in winding slot 15, and the other end of cotton rope 22 leads to
Cross the string holes positioning on two grades of fixed pulleys 1.The present invention utilizes the kinetic energy that the potential energy that potential energy block falls is dolly, by gear
Engagement and belt transmission, dolly presses both fixed track periodicity, at a distance avoiding obstacles, and structure is simple and convenient.
Although above patent is directed to carbon-free trolley, still suffer from some problems:In patent 1, transfer only adopts cam
Enable a kind of movement locus(Can only finely tune)If changing a track, cam to be redesigned, and the design can be easily real
Existing different tracks.Patent 2 carrys out regulating cycle too complex using the multiple race of belt pulley, and belt is different in different slot lengths, if
Only with a root skin band, band loss is big, and is driven unstable, may block, again excessively complicated according to many belt replacings,
Carbon-free trolley can only be made to have a kind of movement locus using slider-crank mechanism.And the present invention can be by adjusting the position of straight pin
Come regulating cycle and track to change eccentric throw, simply, practical.And present invention employs differential mechanism, can make dolly turn to
When, obtain different rotating speeds and reduce the loss of inboard wheel slip energy;There is not inherent variability in left and right turn angle;Trailing wheel Dual Drive,
Stability improves.
Content of the invention
The invention provides a kind of structure simply realizes carbon-free trolley and the steering of dolly steering using toothed belt transmission
Method, realizes the conversion between potential energy and kinetic energy.
The present invention is that the adopted technical scheme that solves the above problems is:One kind is realized dolly using toothed belt transmission and is turned to
Carbon-free trolley, the potential energy converting and energy including vehicle frame, being arranged on vehicle frame aft section and drive mechanism, be arranged on vehicle frame previous section
Steering mechanism;Wherein potential energy converting and energy and drive mechanism include differential mechanism, rope sheave, main synchronizing wheel, Timing Belt, and steering mechanism includes
From synchronizing wheel, lifting lever wheel, driving lever;Rope sheave is tightly placed on differential mechanism shell and drives differential mechanism to rotate, and main synchronizing wheel is enclosed within differential
Synchronous rotation on device shell, is mutually perpendicular in the axial direction with main synchronizing wheel from synchronizing wheel and is connected by spatial synchronization band,
Complete the orthogonal transmission of axis.
Further, vehicle frame includes main car frame and front frame, and the centre of main car frame front end has elongated slot, and front frame connects
It is fixed in the elongated slot of main car frame;Potential energy converting and energy and drive mechanism are arranged on main car frame part, and steering mechanism is arranged on front frame
Part.
Further, the mid portion of main car frame rear end also has a notch, differential mechanism, rope sheave, main synchronizing wheel, from synchronizing wheel
It is all located at the lower section of vehicle frame, and differential mechanism is located at and locates below the notch of main car frame rear end, driving lever and lifting lever wheel are located at the upper of vehicle frame
Side.
Further, potential energy converting and energy and drive mechanism also include left driving wheel axle, right driving wheel axle, left driving wheel, right drive
Driving wheel, wherein left driving wheel are fixed on left driving wheel axle, and right driving wheel is fixed on right driving wheel axle, left driving wheel axle and the right side
Live axle is connected on the Y-axis of differential mechanism, drives two to drive rotation by live axle when differential mechanism rotates
Dynamic, make interior outboard wheels obtain different rotating speeds when turning to thus reducing the energy loss that inboard wheel skidding brings simultaneously.
Further, potential energy converting and energy and drive mechanism also include column, cotton rope, fixed pulley, weight, and its central post has three
Root, arranges triangularity, one end is fixed on above vehicle frame, and the other end is fixed with fixed pulley, and such mechanism is more firmly simultaneously
Decrease the swing that weight is occurred in dropping process due to moving of car;Cotton rope bypasses fixed pulley, and weight is fixed in one end,
The other end is fixed on rope sheave, and the potential energy converting and energy of weight is the driving force of carriage walking.
Further, steering mechanism also includes deflecting roller, front wheel carrier, short axle, front wheel carrier axle, straight pin, driving lever wheel shaft;Its
The aft section of middle driving lever wheel shaft the past vehicle frame passes through, and one end is fixed on from synchronizing wheel center, and the other end is fixed in lifting lever wheel
The heart, by driving lifting lever wheel to rotate from synchronizing wheel;Driving lever center has the chute of strip, and straight pin one end is fixed on lifting lever wheel
Eccentric position, the other end slides in the chute of driving lever, drives driving lever periodic deflection by the rotation of lifting lever wheel;Front wheel carrier
It is fixed on deflecting roller by short axle;Front wheel carrier axle passes through the previous section of front frame, and one end is fixed on front wheel carrier, the other end
It is fixed on one end of driving lever;Periodically variable steering wheel angle is obtained by the periodic deflection of driving lever.
Further, on lifting lever wheel, the position of fixed cylinder pin is additionally provided with micro-adjusting mechanism, opens including at fixed cylinder pin
There is cylinder pin hole, be provided with lifting lever wheel slide block in cylinder pin hole and entangle straight pin, have fine-tuning nut hole in the side periphery of lifting lever wheel
Communicate with above-mentioned cylinder pin hole, in cylinder pin hole the other end of lifting lever wheel slide block equipped with spring, using fine-tuning nut and spring
Easily moving in the middle of cylinder pin hole, fasten straight pin, thus obtaining different eccentric throws, the operation rail of dolly being adjusted with this
Mark.
Further, position front frame being fixed driving lever wheel shaft has a chute, lifting lever wheel, from synchronizing wheel and driving lever wheel shaft
Can move forward and backward along the chute in front frame together and fasten, easily to install and tensioning Timing Belt.
A kind of forward method of the carbon-free trolley realizing dolly steering using toothed belt transmission, when play on dolly cotton rope
When weight declines, cotton rope bypasses fixed pulley and drives rope sheave to rotate, and rope sheave is tightly placed in differential mechanism shell upper band and moves differential mechanism rotation, poor
The left and right sidesing driving wheel axle that fast device passes through to connect respectively on Y-axis drives two driving wheels to rotate, and makes interior outside car when turning to
Wheel obtains different rotating speeds thus reducing the energy loss that inboard wheel skidding brings;Meanwhile, differential mechanism drives and is enclosed within outside differential mechanism
The synchronous rotation of main synchronizing wheel on shell, kinetic energy is passed to and main synchronizing wheel phase in the axial direction by main synchronizing wheel by Timing Belt
Mutually vertical from synchronizing wheel, thus the rotation around horizontal axis is converted to around vertically axial rotation;From synchronous rotation
Drive lifting lever wheel to rotate by driving lever wheel shaft when dynamic, when lifting lever wheel rotates, drive the straight pin being fixed on its eccentric position to do circumference
Motion, the other end of straight pin slides in the chute of driving lever, drive driving lever carry out regular swing, driving lever passes through to consolidate
The front wheel carrier axle being scheduled on its one end controls deflecting roller to carry out periodic deflection, thus realizing the cycle sexual deviation of dolly.
Further, the micro-adjusting mechanism that on lifting lever wheel, the position of fixed cylinder pin is arranged is by opening up at fixed cylinder pin
Cylinder pin hole, sets lifting lever wheel slide block in cylinder pin hole and entangles straight pin, in one end of lifting lever wheel slide block equipped with spring to cylinder
Pin slide block carries out elastic top pressure, sets fine-tuning nut hole and installs fine setting spiral shell in the other end of lifting lever wheel slide block, the side periphery of lifting lever wheel
Mother carries out top pressure to lifting lever wheel slide block, easily moves in cylinder pin hole, fastens straight pin by adjusting fine-tuning nut, thus
Obtain different eccentric throws, the running orbit of dolly is adjusted with this.
Beneficial effects of the present invention:
1. the present invention adopts spatial synchronization V belt translation, can keep more than 95% transmission efficiency, has structure simple, dismounting simultaneously
Convenient, the advantage of low friction loss between stable drive and transmission.
2. the present invention installs differential mechanism additional in hind axle, greatly reduces the energy that during steering, inboard wheel skidding brings and damages
Consumption, compares single wheel drive, left and right turn angle does not have inherent variability simultaneously.
Brief description
Fig. 1 is overall schematic of the present invention;
Fig. 2 is front view of the present invention;
Fig. 3 is schematic top plan view of the present invention;
Fig. 4 trailing wheel assembles cross-sectional schematic;
Fig. 5 assembles cross-sectional schematic for front-wheel of the present invention;
Fig. 6 position micro-adjusting mechanism of the present invention schematic diagram;
Wherein:1. column, 2. fixed pulley, 3. cotton rope, 4. weight, 5. differential mechanism, 6. rope sheave, 7. main synchronizing wheel, 8. main car frame,
9. left driving wheel axle, 10. right driving wheel axle, 11 left driving wheels, 12. right driving wheels, 13. front frame, 14. from synchronizing wheel, 15. groups
Bar wheel shaft, 16. lifting lever wheels, 17. driving levers, 18. straight pins, 19. front wheel carrier axles, 20. front wheel carriers, 21. short axles, 22. steerings
Wheel, 23. springs, 24. fine-tuning nuts, 25. lifting lever wheel slide blocks.
Specific embodiment
The present invention is further described below in conjunction with the accompanying drawings.
Embodiment one
A kind of carbon-free trolley realizing dolly steering using toothed belt transmission, including vehicle frame, the gesture that is arranged on vehicle frame aft section
The steering mechanism can change with drive mechanism, being arranged on vehicle frame previous section;Wherein potential energy converting and energy and drive mechanism include differential
Device 5, rope sheave 6, main synchronizing wheel 7, Timing Belt, steering mechanism is included from synchronizing wheel 14, lifting lever wheel 16, driving lever 17;Rope sheave 6 is tightly placed in
On differential mechanism 5 shell and drive differential mechanism 5 rotate, main synchronizing wheel 7 is enclosed within synchronous rotation on differential mechanism 5 shell, from synchronization
Wheel 14 is mutually perpendicular in the axial direction with main synchronizing wheel 7 and is connected by spatial synchronization band, completes the orthogonal transmission of axis.
Further, vehicle frame includes main car frame 8 and front frame 13, and the centre of main car frame 8 front end has elongated slot, front frame
In 13 elongated slots being fastened on main car frame 8;Potential energy converting and energy and drive mechanism are arranged on main car frame 8 part, and steering mechanism installs
In front frame 13 part.
Further, the mid portion of main car frame 8 rear end also has a notch, differential mechanism 5, rope sheave 6, main synchronizing wheel 7, from
Step wheel 14 is all located at the lower section of vehicle frame, and differential mechanism 5 is located at place, driving lever 17 and lifting lever wheel 16 below the notch of main car frame 8 rear end
Top positioned at vehicle frame.
Further, potential energy converting and energy and drive mechanism also include left driving wheel axle 9, right driving wheel axle 10, left driving wheel 11,
Right driving wheel 12, wherein left driving wheel 11 are fixed on left driving wheel axle 9, and right driving wheel 12 is fixed on right driving wheel axle 10,
Left driving wheel axle 9 and right driving wheel axle 10 are connected on the Y-axis of differential mechanism 5, pass through driving wheel when differential mechanism 5 rotates
Axle drives two driving wheels to rotate, and makes interior outboard wheels obtain different rotating speeds when turning to simultaneously and skids thus reducing inboard wheel
The energy loss brought.
Further, potential energy converting and energy and drive mechanism also include column 1, cotton rope 3, fixed pulley 2, weight 4, its central post 3
There are three, arrange triangularity, one end is fixed on above vehicle frame, and the other end is fixed with fixed pulley 2, and such mechanism is more firm
Decrease the swing that weight is occurred in dropping process due to moving of car simultaneously;Cotton rope 3 bypasses fixed pulley 2, and one end is solid
Determine weight 4, the other end is fixed on rope sheave 6, the potential energy converting and energy of weight 4 is the driving force of carriage walking.
Further, steering mechanism also include deflecting roller 22, front wheel carrier 20, short axle 21, front wheel carrier axle 19, straight pin 18,
Driving lever wheel shaft 15;Wherein driving lever wheel shaft 15 passes through from the aft section of front frame 13, and one end is fixed on from synchronizing wheel 14 center, separately
One end is fixed on lifting lever wheel 16 center, by driving lifting lever wheel 16 to rotate from synchronizing wheel 14;Driving lever 17 center has strip
Chute, straight pin 18 one end is fixed on the eccentric position of lifting lever wheel 16, and the other end slides in the chute of driving lever 17, by driving lever
The rotation of wheel 16 drives driving lever 17 periodic deflection;Front wheel carrier 20 is fixed on deflecting roller 22 by short axle 21;Front wheel carrier axle 19
Through the previous section of front frame 13, one end is fixed on front wheel carrier 20, and the other end is fixed on one end of driving lever 17;By driving lever
17 periodic deflection obtains periodically variable deflecting roller 22 deflection angle.
Further, on lifting lever wheel 16, the position of fixed cylinder pin 18 is additionally provided with micro-adjusting mechanism, including in fixed cylinder pin
Have cylinder pin hole at 18, be provided with lifting lever wheel slide block 25 in cylinder pin hole and entangle straight pin 18, in the side periphery of lifting lever wheel 16
Fine-tuning nut hole is had to communicate with above-mentioned cylinder pin hole, the other end of lifting lever wheel slide block 25 is equipped with spring 23, profit in cylinder pin hole
Easily moved in the middle of cylinder pin hole, fastened straight pin 18 with fine-tuning nut 24 and spring 23, thus obtaining different bias
Away from the running orbit of dolly is adjusted with this.
Further, position front frame 13 being fixed driving lever wheel shaft 15 has a chute, lifting lever wheel 16, from synchronizing wheel 14 with
Driving lever wheel shaft 15 can move forward and backward along the chute in front frame 13 together and fasten, easily to install and tensioning is synchronous
Band.
Thus, a kind of forward method of the carbon-free trolley realizing dolly steering using toothed belt transmission can also be drawn, when
When the weight playing on dolly cotton rope declines, cotton rope bypasses fixed pulley and drives rope sheave to rotate, and rope sheave is tightly placed on differential mechanism shell
Differential mechanism is driven to rotate, the left and right sidesing driving wheel axle that differential mechanism passes through to connect respectively on Y-axis drives two driving wheels to rotate, and
Interior outboard wheels are made to obtain different rotating speeds when turning to thus reducing the energy loss that inboard wheel skidding brings;Meanwhile, differential
Device drives and is enclosed within the synchronous rotation of main synchronizing wheel on differential mechanism shell, main synchronizing wheel pass through Timing Belt kinetic energy is passed to and
Main synchronizing wheel orthogonal in the axial direction from synchronizing wheel, thus the rotation around horizontal axis is converted to around vertical direction of principal axis
Rotation;Passing through driving lever wheel shaft when synchronizing wheel rotates drives lifting lever wheel to rotate, and drives and be fixed on its bias when lifting lever wheel rotates
The straight pin of position moves in a circle, and the other end of straight pin slides in the chute of driving lever, drives driving lever to carry out regular
Swing, driving lever controls deflecting roller to carry out periodic deflection by being fixed on the front wheel carrier axle of its one end, thus realizing dolly
Cycle sexual deviation.
Further, the micro-adjusting mechanism that on lifting lever wheel, the position of fixed cylinder pin is arranged is by opening up at fixed cylinder pin
Cylinder pin hole, sets lifting lever wheel slide block in cylinder pin hole and entangles straight pin, in one end of lifting lever wheel slide block equipped with spring to cylinder
Pin slide block carries out elastic top pressure, sets fine-tuning nut hole and installs fine setting spiral shell in the other end of lifting lever wheel slide block, the side periphery of lifting lever wheel
Mother carries out top pressure to lifting lever wheel slide block, easily moves in cylinder pin hole, fastens straight pin by adjusting fine-tuning nut, thus
Obtain different eccentric throws, the running orbit of dolly is adjusted with this.
Beneficial effects of the present invention:
1. the present invention adopts spatial synchronization V belt translation, can keep more than 95% transmission efficiency, has structure simple, dismounting simultaneously
Convenient, the advantage of low friction loss between stable drive and transmission.
2. the present invention installs differential mechanism additional in hind axle, greatly reduces the energy that during steering, inboard wheel skidding brings and damages
Consumption, compares single wheel drive, left and right turn angle does not have inherent variability simultaneously.
Claims (10)
1. a kind of carbon-free trolley realizing dolly steering using toothed belt transmission, including vehicle frame, is arranged on vehicle frame aft section
Potential energy converting and energy and drive mechanism, be arranged on vehicle frame previous section steering mechanism it is characterised in that:Described potential energy converting and energy and driving
Mechanism includes differential mechanism, rope sheave, main synchronizing wheel, Timing Belt, and steering mechanism is included from synchronizing wheel, lifting lever wheel, driving lever;Wherein rope sheave
It is tightly placed on differential mechanism shell and drive differential mechanism to rotate, main synchronizing wheel is enclosed within synchronous rotation on differential mechanism shell, from same
Step wheel is mutually perpendicular in the axial direction with main synchronizing wheel and is connected by spatial synchronization band, completes the orthogonal transmission of axis.
2. as claimed in claim 1 using toothed belt transmission realize dolly steering carbon-free trolley it is characterised in that:Described car
Frame includes main car frame and front frame, and the centre of main car frame front end has elongated slot, and front frame is fastened on the elongated slot of main car frame
In;Potential energy converting and energy and drive mechanism are arranged on main car frame part, and steering mechanism is arranged on forward frame portion.
3. as claimed in claim 2 using toothed belt transmission realize dolly steering carbon-free trolley it is characterised in that:Described master
The mid portion of vehicle frame rear end also has a notch, differential mechanism, rope sheave, main synchronizing wheel, is all located at the lower section of vehicle frame from synchronizing wheel, and
Differential mechanism is located to be located below the notch of main car frame rear end, and driving lever and lifting lever wheel are positioned at the top of vehicle frame.
4. as claimed in claim 1 using toothed belt transmission realize dolly steering carbon-free trolley it is characterised in that:Described gesture
Conversion can also include left driving wheel axle, right driving wheel axle, left driving wheel, right driving wheel with drive mechanism, wherein left driving wheel is solid
It is scheduled on left driving wheel axle, right driving wheel is fixed on right driving wheel axle, left driving wheel axle and right driving wheel axle are connected to
On the Y-axis of differential mechanism, when differential mechanism rotates, drive two driving wheels to rotate by live axle, make in steering simultaneously in
Outboard wheels obtain different rotating speeds thus reducing the energy loss that inboard wheel skidding brings.
5. as claimed in claim 4 using toothed belt transmission realize dolly steering carbon-free trolley it is characterised in that:Described gesture
Conversion can also include column, cotton rope, fixed pulley, weight with drive mechanism, its central post has three, arranges triangularity, one end
It is fixed on above vehicle frame, the other end is fixed with fixed pulley;Cotton rope bypasses fixed pulley, and weight is fixed in one end, and the other end is fixed on rope
On wheel, the potential energy converting and energy of weight is the driving force of carriage walking.
6. as claimed in claim 1 or 2 using toothed belt transmission realize dolly steering carbon-free trolley it is characterised in that:Institute
State steering mechanism and also include deflecting roller, front wheel carrier, short axle, front wheel carrier axle, straight pin, driving lever wheel shaft;Wherein driving lever wheel shaft the past
The aft section of vehicle frame passes through, and one end is fixed on from synchronizing wheel center, and the other end is fixed on lifting lever wheel center, by from synchronizing wheel
Lifting lever wheel is driven to rotate;Driving lever center has the chute of strip, and straight pin one end is fixed on the eccentric position of lifting lever wheel, another
Sliding in the chute of driving lever in end, drives driving lever periodic deflection by the rotation of lifting lever wheel;Front wheel carrier is fixed on by short axle
On deflecting roller;Front wheel carrier axle passes through the previous section of front frame, and one end is fixed on front wheel carrier, and the other end is fixed on the one of driving lever
End;Periodically variable steering wheel angle is obtained by the periodic deflection of driving lever.
7. as claimed in claim 6 using toothed belt transmission realize dolly steering carbon-free trolley it is characterised in that:Described group
On bar wheel, the position of fixed cylinder pin is additionally provided with micro-adjusting mechanism, has cylinder pin hole including at fixed cylinder pin, in straight pin
In the hole is provided with lifting lever wheel slide block and entangles straight pin, has fine-tuning nut hole to communicate with above-mentioned cylinder pin hole in the side periphery of lifting lever wheel,
In cylinder pin hole, the other end of lifting lever wheel slide block is equipped with spring, using fine-tuning nut and spring easily in the middle of cylinder pin hole
Mobile, fastening straight pin, thus obtaining different eccentric throws, adjusts the running orbit of dolly with this.
8. as claimed in claim 7 using toothed belt transmission realize dolly steering carbon-free trolley it is characterised in that:Before described
The position fixing driving lever wheel shaft on vehicle frame has a chute, lifting lever wheel, from synchronizing wheel and driving lever wheel shaft can together with along front frame
Chute move forward and backward and fasten, easily to install and tensioning Timing Belt.
9. a kind of toothed belt transmission using claim 1 realizes the forward method of the carbon-free trolley of dolly steering, when little fare
When the weight playing on rope declines, cotton rope bypasses fixed pulley and drives rope sheave to rotate, and rope sheave is tightly placed in differential mechanism shell upper band moment
Fast device rotates, and the left and right sidesing driving wheel axle that differential mechanism passes through to connect respectively on Y-axis drives two driving wheels to rotate, and is turning to
When make interior outboard wheels obtain different rotating speeds thus reducing the inboard wheel energy loss brought of skidding;Meanwhile, differential mechanism drives
It is enclosed within the synchronous rotation of main synchronizing wheel on differential mechanism shell, kinetic energy is passed to and main synchronization by main synchronizing wheel by Timing Belt
Wheel orthogonal in the axial direction from synchronizing wheel, thus the rotation around horizontal axis is converted to around vertically axial turn
Dynamic;Drive lifting lever wheel to rotate by driving lever wheel shaft when synchronizing wheel rotates, drive when lifting lever wheel rotates and be fixed on its eccentric position
Straight pin move in a circle, the other end of straight pin slides in the chute of driving lever, drive driving lever carry out regular left and right
Swing, driving lever controls deflecting roller to carry out periodic deflection by being fixed on the front wheel carrier axle of its one end, thus realizing the week of dolly
Phase sexual deviation.
10. the forward method of the carbon-free trolley realizing dolly steering using toothed belt transmission as claimed in claim 9, its feature
It is:On lifting lever wheel fixed cylinder pin position setting micro-adjusting mechanism by opening up cylinder pin hole at fixed cylinder pin,
Set lifting lever wheel slide block in cylinder pin hole and entangle straight pin, equipped with spring, bullet is carried out to straight pin slide block in one end of lifting lever wheel slide block
Property top pressure, set fine-tuning nut hole in the other end of lifting lever wheel slide block, the side periphery of lifting lever wheel and fine-tuning nut be installed to driving lever skidding
Block carries out top pressure, easily moves in cylinder pin hole, fastens straight pin by adjusting fine-tuning nut, thus obtaining different inclined
The heart is away from adjusting the running orbit of dolly with this.
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CN201610955098.5A CN106422351B (en) | 2016-10-27 | 2016-10-27 | A kind of carbon-free trolley and forward method for realizing that trolley is turned to using toothed belt transmission |
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CN201610955098.5A CN106422351B (en) | 2016-10-27 | 2016-10-27 | A kind of carbon-free trolley and forward method for realizing that trolley is turned to using toothed belt transmission |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108295482A (en) * | 2017-12-19 | 2018-07-20 | 桂林电子科技大学 | It is a kind of to walk to close the carbon-free trolley of the figure of eight |
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JP2004049683A (en) * | 2002-07-23 | 2004-02-19 | Tokyo Unique:Kk | Traveling toy |
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CN205340127U (en) * | 2016-01-05 | 2016-06-29 | 河海大学常州校区 | Stepless carbon -free trolley who turns to based on space connecting rod and friction pulley mechanism |
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CN105617673A (en) * | 2015-12-25 | 2016-06-01 | 杭州电子科技大学 | Carbon-free cart with steering wheel oscillation angle travel and cycle capable of being adjusted precisely |
CN205340127U (en) * | 2016-01-05 | 2016-06-29 | 河海大学常州校区 | Stepless carbon -free trolley who turns to based on space connecting rod and friction pulley mechanism |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108295482A (en) * | 2017-12-19 | 2018-07-20 | 桂林电子科技大学 | It is a kind of to walk to close the carbon-free trolley of the figure of eight |
CN108295482B (en) * | 2017-12-19 | 2024-05-28 | 桂林电子科技大学 | Carbon-free trolley capable of walking and sealing in 8 shape |
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