CN104784937A - Carbon-free trolley adaptable to S-shaped path with rods spaced from one another by different distances - Google Patents
Carbon-free trolley adaptable to S-shaped path with rods spaced from one another by different distances Download PDFInfo
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- CN104784937A CN104784937A CN201510175306.5A CN201510175306A CN104784937A CN 104784937 A CN104784937 A CN 104784937A CN 201510175306 A CN201510175306 A CN 201510175306A CN 104784937 A CN104784937 A CN 104784937A
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- push rod
- carbon
- gear
- free trolley
- spring
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Abstract
The invention relates to a carbon-free trolley adaptable to an S-shaped path with rods spaced from one another by different distances. According to the carbon-free trolley adaptable to the S-shaped path with the rods spaced from one another by different distances, an adjustment gear is adopted by a pitch control mechanism to be matched with a driving gear and a driven gear, a main gear with an eccentric ejecting column is adopted by a steering mechanism, a front ejecting rod is made to drive a front axle to swing through the linkage of the eccentric ejecting column and a push rod, and springs are used for making the front ejecting rod be kept in good contact with the front axle and a rear ejecting rod be kept in good contact with the eccentric ejecting column. The carbon-free trolley adaptable to the S-shaped path with the rods spaced from one another by different distances is reasonable in design, simple in structure, convenient to disassemble and assemble, convenient to debug, stable in operation, stable in traveling and reliable in steering, the energy utilization rate is high, it is guaranteed that a competition can be completed smoothly and a good result is obtained, and the trolley is also suitable for automatic barrier-avoidance traveling under the condition that no energy supply is available so as to fulfill a specific task.
Description
Technical field
The present invention relates to a kind of carbon-free trolley, specifically a kind of carbon-free trolley adapting to different bar distance S shape path.
Background technology
Carbon-free trolley is a kind of three wheeler utilizing gravitional force to be sole energy, have continuous obstacle function.Its principle is to specified altitude assignment by heavy lift, weight falls under gravity voluntarily, the flexible cords tied up on weight changes the direction of pulling force by the pulley be arranged on pulley base, the other end of cotton rope is wrapped on driving mechanism, hind axle is transmitted motion to again by transmission mechanism, drive rear wheel, thus complete the forward motion of dolly; Steering mechanism is used for front-wheel is rotated to the left or to the right according to sinusoidal cycles, make dolly walk out S shape path and avoid the obstacle bar that arranges at a certain distance, because gravitional force is sole energy, therefore the energy of steering mechanism's execution does not have other to originate, and must be associated obtain energy with driving mechanism.
CN 104436674A discloses the gearshift displacement carbon-free trolley of a kind of S shape path walking, and technical scheme is: comprise vehicle frame and the driving mechanism be arranged on vehicle frame, transmission mechanism, steering mechanism and gearshift pitch-changing mechanism; Driving mechanism is connected with transmission mechanism by flexible cords, and transmission mechanism is fixed on vehicle frame by bearing block, and is connected with steering mechanism by spool shaft, and Trolley front wheel adopts the mode of monolateral support, is provided with angle fine-adjustment mechanism and steering mechanism is rigidly connected.Described steering mechanism comprises the adjustment seat being positioned at trailing wheel one end and the Level tune block being positioned at front-wheel one end, and adjustment seat connects oscillating bearing by screw rod and connects Level tune block by oscillating bearing; Adjustment seat there is the hole in waist type, in this hole, put into connecting axle, by the adjustment position of connecting axle in hole, realize the adjustment of dolly angle swinging amplitude in the process of walking; The full swing angle of the adjustable front-wheel of Level tune block, and the effect playing the fine setting trolley travelling cycle.Turning to and angle adjustment function in carriage walking process, realizes mainly through adjustment seat, screw rod and Level tune block.Described gearshift pitch-changing mechanism is formed by engaging each other gear one and driven gear one, gear two and driven gear two, regulates dolly to complete the distance of monocycle S type path walking by different gear ratios, thus realizes the function of the large displacement of dolly around barrier.
In order to adapt to different monocycle length and the bar distance in S type path, the gearshift displacement carbon-free trolley of above-mentioned S shape path walking, needing gearshift when changing gearratio, thus must arrange gearshift; Steadily turn to for making both sides vehicle wheel rotational speed difference realize dolly in addition, need to use differential mechanism, thus above-mentioned prior art structure is comparatively complicated.
Summary of the invention
In order to overcome the deficiency of prior art, the multiple gearratio of convenient adjustment, is convenient to dismounting and debugging simultaneously, the invention provides a kind of carbon-free trolley adapting to different bar distance S shape path.
Object of the present invention is realized by following technical scheme.
A kind of carbon-free trolley adapting to different bar distance S shape path, comprise the driving mechanism that trailing wheel is driven, the steering mechanism controlling front-wheel steer and for adapt to different bar apart from and the pitch-changing mechanism that arranges, the improvements that prior art is made are: eccentric fore-set is set on the master gear of driving mechanism; 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 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 in touch with front axle due to the effect of front axle spring, and rear push rod keeps in touch with eccentric fore-set due to the effect of push rod spring; Steering mechanism is placed in is fixed on the bracket of underbody, and bracket arranges the slide being used for push rod and sliding wherein, and the fixing point of front axle spring and push rod spring is positioned on slide; Described pitch-changing mechanism comprise driving mechanism master gear, drive rear wheel from gear and at master gear and the adjusting gear adjustable from the position between gear, master gear engages adjusting gear, and adjusting 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 driving mechanism rotates, eccentric fore-set on fixing master gear circles thereupon, tandem motion done by the rear push rod promoting to be in contact with it, drive push rod slides, push rod makes adjustment disk and tandem motion done together by the front push rod be fixed on adjustment disk, drive and swing with the front axle of front ejector pin contact, thus complete the go to action of dolly; Because front push rod keeps in touch with front axle due to the effect of front axle spring, rear push rod keeps in touch with eccentric fore-set due to the effect of push rod spring, so gapless between push rod and front axle before keeping, also gapless between rear push rod and fore-set can be kept, make to turn to steadily, maintain the advantage of sine mechanism, when ensureing machining accuracy and assembly precision, dolly can be made to travel by the serpentine track of standard, and do not need to regulate again and find out equilbrium position.
Relative to other forms of traditional steering mechanism: slider-crank mechanism and space four bar linkage mechanism, what the gap that instant invention overcomes the former was brought more greatly turns to jiggly shortcoming, also solves the defect that adjustment that the latter's complex structure brings is more difficult.
Its pitch-changing mechanism is adapt to different bar distances, only need replacing one from gear, and the position adjusting adjusting gear makes three gears meshing can (master gear, adjusting gear and from gear), gearratio regulates easily, and operation is simple and reliable, and there is no idle gear, when walking is not set yet with less than gearshift, structure simplifies, and is convenient to dismounting and debugging, lightweight, consumed energy is few.
The other forms of pitch-changing mechanism of prior art comprises: 1. change wheel, but one secondaryly changes three wheels, and operation is too complicated, and needs to prepare to organize wheel more, wastes material; 2. more gear changing, but must the spacing of adjusting gear, not easy to operate.And the present invention does not change wheel, also do not need adjusting gear spacing, operate more simple and reliable, the used time is less.
On the basis of technique scheme, the present invention can also do following improvement.
Further, turn to and regulate carriage walking route to complete better, the present invention also comprises the lateral adjustment arranging and make steering mechanism's transverse shifting.Further described lateral adjustment is included between slide and bracket and arranges slide carriage, and slide is placed on slide carriage, bracket is arranged the device for regulating slide carriage transverse shifting.As preferably, the device of slide carriage transverse shifting is regulated to select lead screw device.Make steering mechanism's transverse shifting by lateral adjustment, the contact position of push rod and front axle before changing, to change the size of front-wheel pivot angle, thus regulate the amplitude of carriage walking route, realize the accurate fine setting to carriage walking route.
Further, be equally also turn to and regulate carriage walking route to complete better, the present invention is also included on adjustment disk and has trimming groove, and the tie point of push rod front end and adjustment disk is arranged in this trimming groove.The tie point of push rod front end and adjustment disk is placed in the diverse location of this trimming groove, can the haul distance of regulating pushing rod, before regulating, the relative position of push rod and push rod, also can change the size of front-wheel pivot angle, realize the accurate fine setting of carriage walking route.
That is, the present invention makes the lateral adjustment of steering mechanism's transverse shifting by arranging, and has trimming groove on adjustment disk, takes the measure that two different, provides double shield for realizing the accurate of carriage walking route.
Further, the present invention is equipped with unilateral bearing between trailing wheel and hind axle, can make dolly in turning process, realize the differential of two trailing wheels.This uses differential mechanism simpler than prior art.
Push rod spring of the present invention and front axle spring all select spring leaf.
In order to reliably seamlessly adjust the position of adjusting gear, making adjusting gear with master gear, engaging better from gear, in the present invention, adjusting gear is placed in the bar-shaped trough in frame.
Carbon-free trolley contest racing track as shown in Figure 4.Racing track width is 2 meters, in the starting point front at carbon-free trolley M place place, racing track center line is equidistant puts obstacle bar (A, B, C, D in figure), and the spacing of start point distance first obstacle bar is identical with the spacing of each obstacle bar, and bar is the pole of diameter 20mm, high 200mm.Match rule specifies, bar apart within the scope of 700 ~ 1300mm, but for each player, concrete bar apart from unknown in advance, random decision of openly need drawing lots through scene, and be defined in pre-games and only have 1 hours assemble dolly and debug.Compete for completing and get good grades, carbon-free trolley must be reasonable in design, and structure is simple, easy accessibility, is convenient to debugging, operates steadily, smooth running, and turn to reliable, capacity usage ratio is high.The carbon-free trolley adapting to different bar distance S shape path of the present invention, it adopts sister block, adopts the pitch-changing mechanism of adjusting gear, adopts the steering mechanism of driving and use the effect of spring to make front push rod and front axle keep good contact, rear push rod and eccentric fore-set to keep good contact, carry out double shield with employing lateral adjustment and trimming groove and finely tune many technical characteristics such as turning to, guarantee to complete smoothly and compete and get good grades.
Carbon-free trolley of the present invention, is also suitable for other automatic obstacle-avoiding walkings when not having energy resource supply, to complete specific task.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of 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
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, the carbon-free trolley of different bar apart from S shape path can be adapted to, its three root post 2 is assemblied on the base plate 26 (see Fig. 2) of car body, three root post 2 tops are pulley bases, pulley base settles two pulleys 1, weight 4 is thus lifted to certain altitude, hitch in flexible cords 22 by linking up with 3, flexible cords 22 is around on two pulleys 1, tie up on the line wheel 21 of lower car body again, sufficiently long flexible cords 22 is wrapped line wheel 21, rotates so that moving-wire can be with to take turns 21 by the flexible cords 22 be wound around on online wheel 21 when weight 4 falls.
The snap ring 5 being positioned at column 2 stage casing plays a part stable to three root posts.
The driving mechanism driven trailing wheel takes turns 21 by line, master gear 20, adjusting gear 19, forming from gear 28 (see Fig. 3), hind axle 24 (see Fig. 2) and two trailing wheels 18 being placed in hind axle 24 two ends of driving trailing wheel 18 to rotate.Line wheel is 21 coaxial with master gear 20, is placed in hind axle 22 from gear 28, and adjusting gear 19 is at master gear 20 with between gear 28, and master gear 20 engages adjusting gear 19, and adjusting gear 19 engages from gear 28.
Master gear 20, from gear 28 and adjusting gear 19, form pitch-changing mechanism together.
Steering mechanism is by rear push rod 16, front push rod 8, push rod 7, adjustment disk 9, push rod spring 15 and front axle spring 12, and the eccentric fore-set 17, the front-wheel 10 that arrange on master gear 20 are formed together with front axle 11.
See Fig. 2.Adjusting gear 19 is placed in the bar-shaped trough in frame, is fixed by flange bearing 23.Bar-shaped trough is covered, can not be directly visible in figure.For adapting to different bar distances, only need replacing one from gear 28, and the position adjusting adjusting gear 19 make three gears (master gear 20, adjusting gear 19 and from gear 28) engage.The position that bar-shaped trough just arbitrarily can adjust adjusting gear 19 is set, guarantees the engagement of three gears.
As shown in Figure 3, in steering mechanism, the master gear 20 of driving mechanism arranges eccentric fore-set 17, rear push rod 16 is placed in push rod 7 rear end, and 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 keeps in touch with front axle 11 due to the effect of front axle spring 12, and rear push rod 16 keeps in touch with eccentric fore-set 17 due to the effect of push rod spring 15; Steering mechanism is placed in is fixed on the bracket 14 of underbody 26, bracket 14 arranges the slide 6 being used for push rod 7 and sliding wherein, the fixing point of front axle spring 12 and push rod spring 15 is positioned on slide 6, and push rod spring 15 and front axle spring 12 all select spring leaf.
Between slide 6 and bracket 14, arrange slide carriage 13, slide 6 is placed on slide carriage 13, bracket 14 is arranged the device for regulating slide carriage 13 transverse shifting.This device is exactly the lead screw device regulated by screw mandrel adjuster 27.Lead screw device and slide carriage 13 form the lateral adjustment making steering mechanism's transverse shifting.By rotary screw adjuster 27, make the positive and negative rotation of screw mandrel, thus drive slide carriage 13 to move left and right, realize whole steering mechanism transverse shifting.
On adjustment disk, 9 have trimming groove 25, and the tie point of push rod 7 front end and adjustment disk 9 is arranged in this trimming groove 25.
During work, hitch weight 4 in flexible cords 22 by hook 3, lifting heavy 4 is to specified altitude assignment, flexible cords 22 is around on two pulleys 1, tie up on the line wheel 21 of lower car body downwards, sufficiently long flexible cords 22 is wrapped line wheel 21, and flexible cords 22 is tightened.Then weight 4 falls under gravity voluntarily, the flexible cords 21 tied up on weight 4 changes the direction of pulling force by the pulley 1 be arranged on pulley base, the other end band moving-wire wheel 21 of cotton rope 21 rotates, master gear 20 coaxial with it also rotates together, the adjusting gear 19 that engage, also and then to rotate from gear 28, hind axle 24 is accompanied gear 28 and is rotated, thus two trailing wheels 18 being arranged on hind axle 24 two ends are rotated, and dolly is advanced.
Meanwhile, eccentric fore-set 17 on master gear 20 circles, rear push rod 16 keeps in touch with eccentric fore-set 17 under the effect of push rod spring 15 always, like this, rear push rod 16 will seesaw, promote dynamic push rod 7 slide anteroposterior in slide 6, push rod 7 makes adjustment disk 9 and tandem motion done together by the front push rod 8 be fixed on adjustment disk 9, due to the effect of front axle spring 12, front push rod 8 keeps in touch with front axle 11 always, so seesawing of front push rod 8 just makes front axle 11 that swing occurs, result makes front-wheel 10 swing, thus make dolly generation go to action.
Turn screw mandrel adjuster 27, the screw mandrel be attached thereto is understood forward or is rotated backward, and the slide carriage 13 coordinated with this screw mandrel left and right transverse shifting will occur on car body, and the whole steering mechanism supported by slide carriage 13 also follows transverse shifting.Its result, front push rod 8 is changed with the contact position of front axle 11, and namely contact point is elongated or shorten from the distance of front-wheel 10, and the change of this distance changes the pendulum angle of front axle 11, also just change the pendulum angle of front-wheel 10, create varying in size of dolly go to action.
On the other hand, change tie point position in the trimming groove 25 of adjustment disk 9 of push rod 7 front end and adjustment disk 9, also just change the haul distance of push rod 7, change the relative position of front push rod 8 and push rod 7, also can change the size of front-wheel 10 pivot angle, realize fine setting dolly being turned to size.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. one kind can adapt to the carbon-free trolley of different bar apart from S shape path, comprise the driving mechanism that trailing wheel is driven, the steering mechanism controlling front-wheel steer and for adapt to different bar apart from and the pitch-changing mechanism that arranges, it is characterized in that: eccentric fore-set is set on the master gear of driving mechanism;
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 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 in touch with front axle due to the effect of front axle spring, and rear push rod keeps in touch with eccentric fore-set due to the effect of push rod spring; Steering mechanism is placed in is fixed on the bracket of underbody, and bracket arranges the slide being used for push rod and sliding wherein, and the fixing point of front axle spring and push rod spring is positioned on slide;
Described pitch-changing mechanism comprise driving mechanism master gear, drive rear wheel from gear and at master gear and the adjusting gear adjustable from the position between gear, master gear engages adjusting gear, and adjusting gear engages from gear.
2. carbon-free trolley according to claim 1, is characterized in that: also comprise the lateral adjustment arranging and make steering mechanism's transverse shifting.
3. carbon-free trolley according to claim 2, is characterized in that: described lateral adjustment is included between slide and bracket and arranges slide carriage, and slide is placed on slide carriage, bracket is arranged the device for regulating slide carriage transverse shifting.
4. carbon-free trolley according to claim 3, is characterized in that: regulate the device of slide carriage transverse shifting to select lead screw device.
5. carbon-free trolley according to claim 1, is characterized in that: adjustment disk has trimming groove, and the tie point of push rod front end and adjustment disk is arranged in this trimming groove.
6. carbon-free trolley according to claim 1, is characterized in that: between trailing wheel and hind axle, unilateral bearing is housed.
7. carbon-free trolley according to claim 1, is characterized in that: push rod spring and front axle spring all select spring leaf.
8. carbon-free trolley according to claim 1, is characterized in that: adjusting 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 |
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| 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 |
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| CN104784937A true CN104784937A (en) | 2015-07-22 |
| CN104784937B CN104784937B (en) | 2016-11-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105438279A (en) * | 2015-12-25 | 2016-03-30 | 桂林电子科技大学 | Variable-wheel-center four-wheeler capable of being automatically locked |
| CN105457296A (en) * | 2015-12-23 | 2016-04-06 | 天津职业技术师范大学 | S-shaped track carbon-free toy car |
| CN107261514A (en) * | 2017-06-19 | 2017-10-20 | 淮阴工学院 | Automatic damping deceleration carbon-free trolley based on rack method |
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| CN104436674A (en) * | 2014-12-30 | 2015-03-25 | 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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| CN107261514A (en) * | 2017-06-19 | 2017-10-20 | 淮阴工学院 | Automatic damping deceleration carbon-free trolley based on rack method |
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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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