CN104784937B - A kind of it is suitable for the different bar carbon-free trolley away from S-shaped path - Google Patents
A kind of it is suitable for the different bar carbon-free trolley away from S-shaped path Download PDFInfo
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- CN104784937B CN104784937B CN201510175306.5A CN201510175306A CN104784937B CN 104784937 B CN104784937 B CN 104784937B CN 201510175306 A CN201510175306 A CN 201510175306A CN 104784937 B CN104784937 B CN 104784937B
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Abstract
The present invention relates to a kind of be suitable for the different bar carbon-free trolley away from S-shaped path, its pitch-changing mechanism uses a regulation gear to coordinate master gear and from gear, steering mechanism uses and arranges eccentric fore-set on master gear, front push rod is made to drive front axle to swing by the linkage of this fore-set Yu push rod, spring is used to make front push rod keep good contact with front axle, rear push rod keeps good contact with eccentric fore-set, reasonable in design, simple in construction, easy accessibility, it is easy to debugging, operate steadily, smooth running, turn to reliable, capacity usage ratio is high, guarantee to smoothly complete match and get good grades, it is also adapted for other automatic obstacle-avoiding walkings in the case of not having energy resource supply, to complete specific task.
Description
Technical field
The present invention relates to a kind of carbon-free trolley, a kind of be suitable for the different bar carbon-free trolley away from S-shaped path.
Background technology
Carbon-free trolley is that a kind of to utilize gravitional force be sole energy, has the three wheeler of continuous obstacle function.Its
Principle is by heavy lift to specified altitude assignment, and weight falls the most voluntarily, and the flexible cords tied up on weight is passed through
The pulley being arranged on pulley base changes the direction of pulling force, and the other end of cotton rope is wrapped in drive mechanism, then passes through driver
Structure transmits motion to hind axle, drives rear wheel, thus completes the forward motion of dolly；Steering mechanism be used for make front-wheel by
Rotate to the left or to the right according to sinusoidal cycles, make dolly walk out S-shaped path and avoid the obstacle bar arranged at a certain distance, due to weight
Power potential energy is sole energy, and therefore the energy of steering mechanism's execution does not has other to originate, it is necessary to be associated with drive mechanism
Obtain energy.
CN 104436674 A discloses the gearshift displacement carbon-free trolley of a kind of S-shaped path walking, and technical scheme is: include
Vehicle frame and the drive mechanism, drive mechanism, steering mechanism and the gearshift pitch-changing mechanism that are arranged on vehicle frame；Drive mechanism is by flexibility
Cotton rope is connected with drive mechanism, and drive mechanism is fixed on vehicle frame by bearing block, and is connected with steering mechanism by spool shaft,
Trolley front wheel uses the mode of monolateral support, is provided with angle fine-adjustment mechanism and is rigidly connected with steering mechanism.Described steering mechanism wraps
Including the adjustment seat being positioned at trailing wheel one end and the horizontal adjustment block being positioned at front-wheel one end, adjustment seat connects oscillating bearing also by screw rod
Horizontal adjustment block is connected by oscillating bearing；There is the hole in waist type in adjustment seat, in this hole, put into connecting shaft, by the company of adjustment
Spindle position in hole, realizes the adjustment of dolly angle swinging amplitude in the process of walking；Before horizontal adjustment block scalable
The full swing angle of wheel, and play the effect in fine setting trolley travelling cycle.Turning to and angle adjustment during carriage walking
Function, is mainly realized by adjustment seat, screw rod and horizontal adjustment block.Described gearshift pitch-changing mechanism is by engaging each other gear one He
Driven gear one, gear two and driven gear two and constitute, regulate dolly by different gear ratios and complete monocycle S
The distance of type path walking, thus realize the dolly big displacement function around barrier.
In order to adapt to the different monocycle length i.e. bar in S type path away from, the gearshift displacement of above-mentioned S-shaped path walking without
Carbon dolly, needs gearshift, thus must be provided with gearshift when changing gear ratio；Additionally for making both sides vehicle wheel rotational speeds different
Realize dolly to smoothly turn to, need to use differential mechanism, thus above-mentioned prior art structure is complex.
Summary of the invention
In order to overcome the deficiency of prior art, the multiple gear ratio of convenient regulation, simultaneously facilitate dismounting and debugging, the present invention carries
It is suitable for the different bar carbon-free trolley away from S-shaped path for a kind of.
The purpose of the present invention is realized by following technical scheme.
A kind of it is suitable for the different bar carbon-free trolley away from S-shaped path, including the drive mechanism that trailing wheel is driven, control
The steering mechanism of front-wheel steer with for adapt to different bars away from and the pitch-changing mechanism that arranges, the improvements making prior art exist
In: eccentric fore-set is set on the master gear of drive mechanism；Described steering mechanism by rear push rod, front push rod, push rod, adjustment disk,
Push rod spring and front axle spring are constituted, and rear push rod is placed in putting back-end, and push rod front end connects adjustment disk, and front push rod is arranged on
The marginal position of adjustment disk；Front push rod keeps contacting with front axle due to the effect of front axle spring, and rear push rod is due to push rod
The effect of spring and keep contacting with eccentric fore-set；Steering mechanism is placed on the bracket being fixed on underbody, and bracket is arranged
The slide slided wherein for push rod, the fixing point of front axle spring and push rod spring is positioned on slide；Described pitch-changing mechanism
Including drive mechanism master gear, drive rear wheel from gear and adjustable at master gear and the position between gear
Regulation gear, master gear engages regulation gear, and regulation gear engages from gear.
Compared with the prior art, the invention has the beneficial effects as follows:
Its steering mechanism's operation principle is when the master gear of drive mechanism rotates, the eccentric fore-set on fixing master gear with
Circle, promote the rear push rod that is in contact with it to make tandem motion, drive push rod to slide, push rod make adjustment disk and
Tandem motion made together by the front push rod being fixed on adjustment disk, drives the front axle with front ejector pin contact to swing, thus complete
Become the go to action of dolly；Because front push rod due to front axle spring effect and with front axle keep contact, rear push rod due to
The effect of push rod spring and keep contact with eccentric fore-set, so gapless between push rod and front axle before keeping, it is also possible to guarantor
Hold gapless between rear push rod and fore-set so that turn to steadily, the advantage maintaining sine mechanism, ensureing machining accuracy and dress
In the case of joining precision, dolly can be made to travel by the serpentine track of standard, find out equilbrium position without regulation again.
Traditional steering mechanism relative to other forms: slider-crank mechanism and space four bar linkage mechanism, the present invention gram
Taken that the former gap brings more greatly turns to jiggly shortcoming, also solves the adjustment ratio that latter configuration complexity is brought
More difficult defect.
Its pitch-changing mechanism be adapt to different bar away from, it is only necessary to changes one from gear, and adjust the position regulating gear
Make three gears engage can (master gear, regulation gear and from gear), easily, operation is simple and reliable in gear ratio regulation, and
Not having the gear of free time, be also not provided with the gearshift taken less than during walking, structure simplifies, it is simple to dismounts and debugs, lightweight,
Consumed energy is few.
The pitch-changing mechanism of other forms of prior art includes: 1. change wheel, but one secondary changes three wheels, operation
The most complicated, and need to prepare to organize wheel, waste material. more；The most more gear changing, but the spacing of gear have to be regulated, it is difficult to behaviour
Make.And the present invention is changed without wheel, it is not required that regulation gear spacing, operate simpler reliably, the used time is less.
On the basis of technique scheme, the present invention can also do following improvement.
Further, in order to preferably complete to turn to and regulate carriage walking route, present invention additionally comprises setting and make to turn to machine
The lateral adjustment of structure transverse shifting.The most described lateral adjustment is included between slide and bracket setting and slips
Plate, slide is placed on slide carriage, bracket is provided for regulate the device of slide carriage transverse shifting.As preferably, regulation slide carriage is horizontal
Lead screw device is selected to the device of movement.Steering mechanism's transverse shifting is made, push rod and front-wheel before changing by lateral adjustment
The contact position of axle, to change the size of front-wheel pivot angle, thus regulates the amplitude of carriage walking route, it is achieved to carriage walking road
The accurate fine setting of line.
Further, it is also to preferably complete to turn to and regulate carriage walking route, present invention additionally comprises and adjusting
Having trimming groove on joint dish, push rod front end is positioned in this trimming groove with the junction point of adjustment disk.By push rod front end and adjustment disk
Junction point is placed in the diverse location in this trimming groove, can regulate the haul distance of push rod, and before regulation, push rod is relative with push rod
Position, it is possible to change the size of front-wheel pivot angle, it is achieved the accurate fine setting of carriage walking route.
It is to say, the present invention makes the lateral adjustment of steering mechanism's transverse shifting by setting, and at adjustment disk
On have trimming groove, take two different measures, precisely provide double shield for realize carriage walking route.
Further, the present invention equipped with unilateral bearing, can make dolly real during turning between trailing wheel and hind axle
The differential of existing two trailing wheels.This uses differential mechanism simpler than prior art.
Spring leaf all selected by push rod spring of the present invention and front axle spring.
In order to the most seamlessly adjust the position of regulation gear, make regulation gear and master gear, from gear preferably
Engagement, in the present invention, regulation gear is placed in the bar-shaped trough in frame.
Carbon-free trolley contest racing track is as shown in Figure 4.Racing track width is 2 meters, the starting point front at carbon-free trolley M place,
The equidistant obstacle bar (A, B, C, D in figure) of putting of racing track center line, the spacing of first obstacle bar of start point distance and each obstacle bar
Spacing is identical, and bar is diameter 20mm, the pole of high 200mm.Match rule specifies, bar away from the range of 700～1300mm, but to often
For one player, concrete bar, away from the most unknown, through open random decision of drawing lots in scene, and in pre-games only need to specify
1 hours is had dolly to be assembled and debugs.For completing match and getting good grades, carbon-free trolley must be reasonable in design,
Simple in construction, easy accessibility, it is simple to debugging, operate steadily, smooth running, turn to reliable, capacity usage ratio is high.The present invention's can
Adapting to the different bar carbon-free trolley away from S-shaped path, it uses sister block, the pitch-changing mechanism using regulation gear, uses driving
Steering mechanism and use the effect of spring to make front push rod and front axle keep good contact, rear push rod and eccentric fore-set
Keep good contact, and employing lateral adjustment and trimming groove carry out double shield and finely tune many technical characteristics such as turning to, really
Guarantor can smoothly complete match and get good grades.
The carbon-free trolley of the present invention, is also adapted for other automatic obstacle-avoiding walkings in the case of not having energy resource supply, with complete
Become specific task.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the carbon-free trolley of the present invention.
Fig. 2 is the carbon-free trolley car body figure of unassembled column.
Fig. 3 is the left view after Fig. 2 takes off front and back wheel.
Fig. 4 is carbon-free trolley contest racing track figure.
Detailed description of the invention
Being described principle and the feature of the present invention below in conjunction with accompanying drawing, example is served only for explaining the present invention, and
Non-for limiting the scope of the present invention.
As it is shown in figure 1, be suitable for the different bar carbon-free trolley away from S-shaped path, its three root post 2 is assemblied in the base plate of car body
On 26 (seeing Fig. 2), three root post 2 tops are pulley bases, dispose two pulleys 1 on pulley base, and weight 4 is thus lifted to necessarily
Highly, hitching in flexible cords 22 by hook 3, flexible cords 22 is wound on two pulleys 1, then ties up to the line of lower car body
On wheel 21, sufficiently long flexible cords 22 is wrapped line wheel 21, in order to can be by being wound around on online wheel 21 when weight 4 falls
Flexible cords 22 band moving-wire wheel 21 rotation.
The snap ring 5 being positioned at column 2 stage casing plays stable effect to three root posts.
The drive mechanism being driven trailing wheel is rotated by line wheel 21, master gear 20, regulation gear 19, drive trailing wheel 18
From gear 28 (see Fig. 3), hind axle 24 (see Fig. 2) and be placed in two trailing wheels 18 at hind axle 24 two ends and constitute.Line wheel 21
Coaxial with master gear 20, be placed in hind axle 24 from gear 28, regulation gear 19 at master gear 20 with between gear 28,
Master gear 20 engages regulation gear 19, and regulation gear 19 engages from gear 28.
Master gear 20, from gear 28 and regulation gear 19, constitute pitch-changing mechanism together.
Steering mechanism by rear push rod 16, front push rod 8, push rod 7, adjustment disk 9, push rod spring 15 and front axle spring 12, with
And the eccentric fore-set 17 of setting, front-wheel 10 are constituted together with front axle 11 on master gear 20.
See Fig. 2.Regulation gear 19 is placed in the bar-shaped trough in frame, flange bearing 23 fix.Bar-shaped trough is covered,
Can not be directly visible in figure.For adapt to different bar away from, it is only necessary to changes one from gear 28, and adjust the position regulating gear 19
Put make three gears (master gear 20, regulation gear 19 and from gear 28) engage.Arrange bar-shaped trough just can arbitrarily adjust
The position of regulation gear 19, it is ensured that the engagement of three gears.
As it is shown on figure 3, in steering mechanism, arrange eccentric fore-set 17 on the master gear 20 of drive mechanism, rear push rod 16 is pacified
Putting in push rod 7 rear end, push rod 7 front end connects adjustment disk 9, and front push rod 8 is arranged on the marginal position of adjustment disk 9；Front push rod 8 due to
The effect of front axle spring 12 and keep contacting with front axle 11, rear push rod 16 due to push rod spring 15 effect and with bias top
Post 17 keeps contact；Steering mechanism is placed on the bracket 14 being fixed on underbody 26, and bracket 14 is provided for push rod 7 at it
The slide 6 of middle slip, the fixing point of front axle spring 12 and push rod spring 15 is positioned on slide 6, push rod spring 15 and front axle
Spring leaf all selected by spring 12.
Arranging slide carriage 13 between slide 6 and bracket 14, slide 6 is placed on slide carriage 13, bracket 14 is provided for adjust
The device of joint slide carriage 13 transverse shifting.This device is exactly the lead screw device regulated by screw mandrel actuator 27.Lead screw device and slide carriage
13 constitute the lateral adjustment making steering mechanism's transverse shifting.By rotary screw actuator 27, make the positive and negative rotation of screw mandrel, from
And drive slide carriage 13 to move left and right, it is achieved whole steering mechanism transverse shifting.
On adjustment disk, 9 have trimming groove 25, and push rod 7 front end is positioned in this trimming groove 25 with the junction point of adjustment disk 9.
During work, weight 4 is hitched in flexible cords 22 by hook 3, lifting heavy 4 to specified altitude assignment, flexible wires
Rope 22 is wound on two pulleys 1, ties up on the line wheel 21 of lower car body still further below, and sufficiently long flexible cords 22 is wrapped line wheel
21, make flexible cords 22 tighten.Then weight 4 falls the most voluntarily, and the flexible cords 22 tied up on weight 4 is passed through
The pulley 1 being arranged on pulley base changes the direction of pulling force, other end band moving-wire wheel 21 rotation of flexible cords 22, co-axial
Master gear 20 rotate the most together, the regulation gear 19 that engages, also and then rotate from gear 28, hind axle 24 accompanies gear 28
Rotate, so that two trailing wheels 18 being arranged on hind axle 24 two ends rotate, make dolly advance.
Meanwhile, the eccentric fore-set 17 on master gear 20 circles, and rear push rod 16 is in the effect of push rod spring 15
Lower and eccentric fore-set 17 is always maintained at contacting, and so, rear push rod 16 will seesaw, before and after promoting push rod 7 in slide 6
Sliding, push rod 7 makes adjustment disk 9 and the front push rod 8 one that is fixed on adjustment disk 9 act as tandem motion, due to front axle
The effect of spring 12, front push rod 8 is always maintained at contacting with front axle 11, so motion allows for front axle before and after front push rod 8
11 there is swing, and result makes front-wheel 10 swing, so that dolly generation go to action.
Turn screw mandrel actuator 27, the screw mandrel being attached thereto is understood forward or rotates backward, with slipping that this screw mandrel coordinates
Plate 13 will occur left and right transverse shifting on car body, and the whole steering mechanism supported by slide carriage 13 also follows transverse shifting.Its
Result so that front push rod 8 changes with the contact position of front axle 11, i.e. contact point are elongated from the distance of front-wheel 10 or become
Short, the change of this distance changes the pendulum angle of front axle 11, the most just changes the pendulum angle of front-wheel 10, creates little
Varying in size of car go to action.
On the other hand, junction point position in the trimming groove 25 of adjustment disk 9 of push rod 7 front end and adjustment disk 9 is changed, the most just
Change the haul distance of push rod 7, change the relative position of front push rod 8 and push rod 7, it is possible to change the big of front-wheel 10 pivot angle
Little, it is achieved dolly is turned to the fine setting of size.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (8)
1. it is suitable for a different bar carbon-free trolley away from S-shaped path, before the drive mechanism that trailing wheel is driven, control
Round to steering mechanism with for adapt to different bars away from and the pitch-changing mechanism that arranges, it is characterised in that: at the main tooth of drive mechanism
Eccentric fore-set is set on wheel；
Described steering mechanism is made up of rear push rod, front push rod, push rod, adjustment disk, push rod spring and front axle spring, and rear push rod is pacified
Putting at putting back-end, push rod front end connects adjustment disk, and front push rod is arranged on the marginal position of adjustment disk；Front push rod is due to front axle
The effect of spring and keep contact with front axle, rear push rod contacts with eccentric fore-set holding due to the effect of push rod spring；Turn
To mechanism positions on the bracket being fixed on underbody, bracket is provided for the slide that push rod slides wherein, front axle bullet
The fixing point of spring and push rod spring is positioned on slide；
Described pitch-changing mechanism include drive mechanism master gear, drive rear wheel from gear and be positioned at master gear and from tooth
The adjustable regulation in position gear between wheel, master gear engages regulation gear, and regulation gear engages from gear.
Carbon-free trolley the most according to claim 1, it is characterised in that: also include arranging the horizontal stroke making steering mechanism's transverse shifting
To governor motion.
Carbon-free trolley the most according to claim 2, it is characterised in that: described lateral adjustment is included in slide and bracket
Between slide carriage is set, slide is placed on slide carriage, bracket is provided for regulate slide carriage transverse shifting device.
Carbon-free trolley the most according to claim 3, it is characterised in that: the device of regulation slide carriage transverse shifting selects screw mandrel dress
Put.
Carbon-free trolley the most according to claim 1, it is characterised in that: have trimming groove, push rod front end and tune on adjustment disk
The junction point of joint dish is positioned in this trimming groove.
Carbon-free trolley the most according to claim 1, it is characterised in that: equipped with unilateral bearing between trailing wheel and hind axle.
Carbon-free trolley the most according to claim 1, it is characterised in that: spring all selected by push rod spring and front axle spring
Sheet.
Carbon-free trolley the most according to claim 1, it is characterised in that: regulation gear is placed in the bar-shaped trough in frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510175306.5A CN104784937B (en) | 2015-04-14 | 2015-04-14 | A kind of it is suitable for the different bar carbon-free trolley away from S-shaped path |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510175306.5A CN104784937B (en) | 2015-04-14 | 2015-04-14 | A kind of it is suitable for the different bar carbon-free trolley away from S-shaped path |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104784937A CN104784937A (en) | 2015-07-22 |
| CN104784937B true CN104784937B (en) | 2016-11-30 |
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| CN201510175306.5A Active CN104784937B (en) | 2015-04-14 | 2015-04-14 | A kind of it is suitable for the different bar carbon-free trolley away from S-shaped path |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457296B (en) * | 2015-12-23 | 2018-06-19 | 天津职业技术师范大学 | A kind of carbon-free toy car of " S " zag trajectory |
| CN105438279B (en) * | 2015-12-25 | 2017-07-07 | 桂林电子科技大学 | Can self-locking change core wheel carriage |
| CN107261514B (en) * | 2017-06-19 | 2019-09-27 | 淮阴工学院 | Automatic damping deceleration carbon-free trolley based on rack gear method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1927233A (en) * | 1931-06-26 | 1933-09-19 | Forner Agustin Redo | Mechanical toy |
| US6231422B1 (en) * | 1999-05-21 | 2001-05-15 | Bong Kyu Choi | Toy automobile |
| CN102266671B (en) * | 2011-05-26 | 2013-03-27 | 淮阴工学院 | Carbon-free cart for traversed S-shaped traveling |
| CN203108200U (en) * | 2013-01-22 | 2013-08-07 | 河海大学常州校区 | Carbon-free trolley capable of jumping over barrier |
| CN203829638U (en) * | 2013-12-27 | 2014-09-17 | 黑龙江农业工程职业学院 | Transmission and steering mechanism for S-shaped walking no-carbon trolley |
| CN104436674B (en) * | 2014-12-30 | 2017-01-11 | 桂林电子科技大学 | Gear shifting and displacement carbon-free trolley walking in S-shaped path mode |
| CN204522291U (en) * | 2015-04-14 | 2015-08-05 | 桂林电子科技大学 | A kind of carbon-free trolley adapting to different bar distance S shape path |
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2015
- 2015-04-14 CN CN201510175306.5A patent/CN104784937B/en active Active
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Application publication date: 20150722 Assignee: Guangxi Huatong Testing Technology Co.,Ltd. Assignor: GUILIN University OF ELECTRONIC TECHNOLOGY Contract record no.: X2022450000219 Denomination of invention: A kind of carbon free trolley that can adapt to S-shaped path with different rod pitch Granted publication date: 20161130 License type: Common License Record date: 20221206 |
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