CN206499868U - A kind of gear shift brake type carbon-free trolley - Google Patents
A kind of gear shift brake type carbon-free trolley Download PDFInfo
- Publication number
- CN206499868U CN206499868U CN201720198269.4U CN201720198269U CN206499868U CN 206499868 U CN206499868 U CN 206499868U CN 201720198269 U CN201720198269 U CN 201720198269U CN 206499868 U CN206499868 U CN 206499868U
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- gear
- wheel
- steering wheel
- power transmission
- transmission shaft
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Abstract
The utility model is related to a kind of gear shift brake type carbon-free trolley, and it is mainly made up of vehicle frame, energy transfer mechanism, transmission mechanism, gear, the control system using single-chip microcomputer as core.The gear includes sliding rack, sliding set, small steering wheel, big steering wheel, catch and steering wheel bearing.Weight free-falling under gravity, wire winding ring is driven to drive drive axis by cord, gear wheel on power transmission shaft is engaged with the little gear on hind axle, so that drive axis drives hind axle to rotate, when sensor detects upward slope, big steering wheel drives sliding rack to stir sliding set, the change speed pinion on power transmission shaft is set to be engaged with the speed change gear wheel on hind axle, increase torque by changing gearratio and required with meeting to go up a slope, when sensor detects descending, small steering wheel rotation catch blocks the long spiro nail on power transmission shaft, so as to which braking rear-wheel axle stops operating, catch is gone back to after certain time, dolly is started to walk again, to reach the purpose for making dolly slow down.
Description
Technical field
The utility model is related to a kind of gear shift brake type carbon-free trolley.
Background technology
With development in science and technology, promotion of the people to carbon-free theory, the design of carbon-free trolley is more and more ingenious, makes also more next
It is more superior.According to the 5th national engineering training integration capability contest requirement, carbon-free trolley, which need to be realized, wants obstacle identification, track to sentence
Disconnected, auto-steering function and the braking function to ascents and descents with speed control.Current existing contest class is carbon-free small
The drive device of car is directly wound into traction cotton rope on wheel drive shaft, and coiling shaft diameter is changed by anticipation ramp position
Size increase torque accelerates to complete to go up a slope, and no slowing-down brake device so makes dolly dispatch a car unstable, also resulted under dolly
Slope excessive velocities, are difficult to hide obstacle.
The content of the invention
There is provided a kind of gear shift brake type carbon-free trolley for drawbacks described above for the utility model.
The technical scheme that the utility model is used is：The utility model is a kind of gear shift brake type carbon-free trolley,
Mainly it is made up of vehicle frame, energy transfer mechanism, transmission mechanism, gear, the control system using single-chip microcomputer as core.
Further, the vehicle frame includes bottom plate, two shaft stools, front fork bearing and steering-engine bearing, steering-engine
Bearing is above front fork bearing.
Further, the energy transfer mechanism includes weight, fixed pulley frame, carbon bar, cord and wire winding ring, carbon bar
Bottom plate center is distributed on, weight is constrained on carbon bar center and can only moved downward, and the fixed pulley frame is placed on carbon bar top
End, the wire winding ring point size diameter, cord one end is connected with weight, the other end pass sequentially through after fixed pulley frame with wire winding ring company
Connect, around 3 circle major diameters during starting, increase torque starts dolly, after around minor diameter to reduce energy loss.
Further, the transmission mechanism includes power transmission shaft, hind axle, gear wheel, speed change gear wheel, little gear, speed change
Little gear and trailing wheel.The gear wheel and change speed pinion are in four arc-shaped through-holes of endoporus surrounding equidistantly distributed, the small tooth
Wheel and speed change gear wheel are fixedly connected on power transmission shaft by lock-screw, and little gear and speed change gear wheel are solid by lock-screw
Surely it is connected on hind axle, two trailing wheels are connected to the two ends of hind axle, the power transmission shaft right-hand member surrounding etc. by wheel hub respectively
Spacing distribution 4 long spiro nails of connection.
Further, the gear includes sliding rack, sliding set, big steering wheel, small steering wheel, catch and steering wheel bearing.
The sliding is sleeved on power transmission shaft, and respectively there are four conehead rods at two ends, with four arcs on the gear wheel and change speed pinion
Shape via clearance coordinates, and the sliding rack is connected with big steering wheel, and big steering wheel is connected to the rear portion of power transmission shaft by steering wheel bearing, can
Stir sliding and be enclosed on hind axle and horizontally slip, the catch is connected with small steering wheel, and small steering wheel is fixed on power transmission shaft right-hand member, passes through
Catch is blocked, long spiro nail is so as to which braking rear-wheel axle stops operating.
Further, the control system using single-chip microcomputer as core includes single-chip microcomputer, steering-engine, ramp detection sensing
Device, infrared ray sensor and battery supply.The infrared ray sensor is arranged on the front end of car, and ramp detection sensor is arranged on
The side of car, single-chip microcomputer is fixedly connected on carbon bar front center.
Utility model works principle：Weight free-falling under gravity, by cord drive wire winding ring so as to
The gear wheel on drive axis, power transmission shaft is driven to be engaged with the little gear on hind axle so that drive axis drives trailing wheel
Axle is rotated, when ramp sensor detects upward slope, and big steering wheel drives sliding rack to stir sliding set, makes the speed change on power transmission shaft small
Gear is engaged with the speed change gear wheel on hind axle, is increased torque by changing gearratio and is required with meeting to go up a slope, works as ramp
When sensor detects descending, small steering wheel rotation catch blocks the long spiro nail on power transmission shaft, so that braking rear-wheel axle stops operating,
Catch is gone back to after certain time, dolly is started to walk again, to reach the purpose for making dolly slow down.In addition, single-chip microcomputer is with regard to sensor
The no infrared light reflected that receives is foundation to determine the position of black line and the track route of dolly so as to pursue track, then profit
Use infrared ray sensor cognitive disorders, using programme-control steering-engine drive front-wheel realize turn to so that realize obstacle identification,
Track judges, the function of auto-steering.
Advantageous effects of the present utility model：Wire winding ring of the present utility model point size diameter, major diameter is conducive to small
The starting of car, dolly has gear, speed when can increase driving torque when going up a slope and reduce descending, and this practicality is new
Type has the advantages that processing cost is low, simple in construction, installing/dismounting is convenient.
Brief description of the drawings
Fig. 1 is a kind of dimensional structure diagram of gear shift brake type carbon-free trolley of the utility model.
Fig. 2 is transmission mechanism of the present utility model and gear schematic diagram.
Fig. 3 is that this practicality is new, the structural representation left view of type.
In figure：1. fixed pulley frame, 2. carbon bars, 3. small steering wheels, 4. little gears, 5. gear wheels, 6. shaft stools, 7. bottom plates,
8. steering wheel bearing, 9. big steering wheels, 10. trailing wheels, 11. change speed pinions, 12. speed change gear wheels, 13. ramp detection sensors, 14.
Battery supply, 15. infrared ray sensors, 16. steering-engines, 17. single-chip microcomputers, 18. hind axles, 19. wire winding rings, 20. power transmission shafts,
21. sliding rack, 22. sliding sets, 23. catch, 24. cords, 25. weights, 26. front fork bearings, 27. long spiro nails, 28. steering-engines
Bearing.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 3, the utility model is a kind of gear shift brake type carbon-free trolley, mainly by vehicle frame, energy
Switching mechanism, transmission mechanism, gear, using single-chip microcomputer as the control system of core constitute.The vehicle frame includes bottom plate 7, two
Individual shaft stool 6, front fork bearing 26 and steering-engine bearing 28, steering-engine bearing 28 is in the top of front fork bearing 26.The energy
Switching mechanism includes weight 25, fixed pulley frame 1, carbon bar 2, cord 24 and wire winding ring 19.Carbon bar 2 is distributed on bottom plate center,
Weight 25 is constrained on the center of carbon bar 2 and can only moved downward, and the fixed pulley frame 1 is placed on the top of carbon bar 2, wire winding ring 19
Point size diameter, one end of cord 24 is connected with weight 25, and the other end is passed sequentially through after fixed pulley frame 1 and is connected with wire winding ring 19,
Around 3 circle major diameters during step, increase torque starts dolly, after around minor diameter to reduce energy loss.
As shown in Fig. 2 the transmission mechanism includes power transmission shaft 20, hind axle 18, gear wheel 5, speed change gear wheel 12, small tooth
Wheel 4, change speed pinion 11 and trailing wheel 10.The gear wheel 5 and change speed pinion 11 are in four arcs of endoporus surrounding equidistantly distributed
Shape through hole, the little gear 4 and speed change gear wheel 12 are fixedly connected on power transmission shaft 20 by lock-screw, little gear 4 and change
Fast gear wheel 12 is fixedly connected on hind axle 18 by lock-screw, and two trailing wheels 10 are connected to hind axle by wheel hub respectively
18 two ends, the right-hand member surrounding equidistantly distributed of power transmission shaft 18 connects 4 long spiro nails 27.The gear includes sliding rack
21, sliding set 22, big steering wheel 9, small steering wheel 3, catch 23 and steering wheel bearing 8.The sliding set 22 is on power transmission shaft 20, two ends
Respectively there are four conehead rods, coordinate with four arc-shaped through-hole gaps on the gear wheel 5 and change speed pinion 11, the sliding rack
21 are connected with big steering wheel 13, and big steering wheel 3 is fixed on the rear portion of power transmission shaft 20 by steering wheel bearing 8, can stir sliding set 22 and pass
Horizontally slipped on moving axis 20, the catch 23 is connected with small steering wheel 13, small steering wheel 13 is fixed on the right-hand member of power transmission shaft 20, passes through catch
23 block long spiro nail 27 so as to which braking rear-wheel axle 18 stops operating.The control system using single-chip microcomputer as core includes single-chip microcomputer
17th, steering-engine 16, ramp detection sensor 13, infrared ray sensor 14 and battery supply 15.The infrared ray sensor 14
Installed in the front end of car, ramp detection sensor 13 is arranged on the side of car, and single-chip microcomputer 17 is fixedly connected on the plain front ends of bar 2 of carbon x
Middle part.
As shown in Figure 1, Figure 2, Figure 3 shows, in use, cord is wound on wire winding ring 19, weight 25 is decontroled, weight 25 exists
Free-falling in the presence of gravity, drives wire winding ring 19 to drive power transmission shaft 20 to rotate, on power transmission shaft 20 by cord 24
Gear wheel 5 is engaged with the little gear 4 on hind axle 18 so that power transmission shaft 20, which is rotated, drives hind axle 18 to rotate, when ramp sensing
Device detection 13 is to when going up a slope, and big steering wheel 9 drives sliding rack 21 to stir sliding set 22, make change speed pinion 11 on power transmission shaft 20 and
Speed change gear wheel 12 on hind axle is engaged, and is increased torque by changing gearratio and is required with meeting to go up a slope, when ramp sensing
When device detects descending, the small rotation of steering wheel 3 catch 23 blocks the long spiro nail 27 on power transmission shaft 20, so that braking rear-wheel axle 18 stops
Rotate, go back to catch 23 after certain time, dolly is started to walk again, to reach the purpose for making dolly slow down.In addition, single-chip microcomputer 17 is just
Whether infrared ray sensor 14, which receives the infrared light reflected, is foundation to determine the position of black line and the track route of dolly
So as to pursue track, the cognitive disorders of infrared ray sensor 14 are recycled, drive front-wheel to realize using programme-control steering-engine 16
Turn to, so as to realize obstacle identification, track judgement, the function of auto-steering.
Claims (5)
1. a kind of gear shift brake type carbon-free trolley, it is characterised in that：Including vehicle frame, energy transfer mechanism, transmission mechanism, change
Fast mechanism, using single-chip microcomputer as the control system of core, the energy transfer mechanism include weight (25), fixed pulley frame (1), carbon
Bar (2), cord (24) and wire winding ring (19), carbon bar (2) are distributed on bottom plate center, and weight (25) is constrained on carbon bar (2)
Center can only be moved downward, and the fixed pulley frame (1) is placed on carbon bar (2) top, and the transmission mechanism includes power transmission shaft
(20), hind axle (18), gear wheel (5), speed change gear wheel (12), little gear (4), change speed pinion (11) and trailing wheel (10),
The little gear (4) and speed change gear wheel (12) are fixedly connected on power transmission shaft (20) by lock-screw, little gear (4) and change
Fast gear wheel (12) is fixedly connected on hind axle (18) by lock-screw, and two trailing wheels (10) are connected to by wheel hub respectively
The two ends of hind axle (18), the gear includes sliding rack (21), sliding set (22), big steering wheel (9), small steering wheel (3), gear
Piece (23) and steering wheel bearing (8), sliding rack (21) are connected with big steering wheel (9), and big steering wheel (9) is fixed on by steering wheel bearing (8)
The rear portion of power transmission shaft (20), can stir sliding set (22) and be horizontally slipped on power transmission shaft (20), the catch (23) and small steering wheel
(3) connect, small steering wheel (3) is fixed on power transmission shaft (20) right-hand member, the control system using single-chip microcomputer as core includes single-chip microcomputer
(17), steering-engine (16), ramp detection sensor (13), infrared ray sensor (15) and battery supply (14), described infrared
Line sensor (15) is arranged on the front end of car, and ramp detection sensor (13) is arranged on the side of car, and single-chip microcomputer (17) is fixed to be connected
It is connected on carbon bar (2) front center.
2. a kind of gear shift brake type carbon-free trolley according to claim 1, its feature in：The wire winding ring (19) point is big
Minor diameter, cord (24) one end is connected with weight (25), and the other end passes sequentially through fixed pulley frame (1) and connected afterwards with wire winding ring (19)
Connect.
3. a kind of gear shift brake type carbon-free trolley according to claim 1, its feature in：The gear wheel (5) and change
Fast little gear (11) is in four arc-shaped through-holes of endoporus surrounding equidistantly distributed.
4. a kind of gear shift brake type carbon-free trolley according to claim 1, its feature in：The sliding set (22) is mounted in
On power transmission shaft (20), respectively there are four conehead rods at two ends, lead to four arcs on the gear wheel (5) and change speed pinion (11)
Interporal lacuna coordinates.
5. a kind of gear shift brake type carbon-free trolley according to claim 1, its feature in：Power transmission shaft (20) right-hand member
Surrounding equidistantly distributed connects 4 long spiro nails (27), and long spiro nail (27) is blocked so as to braking rear-wheel axle (18) by catch (23)
Stop operating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720198269.4U CN206499868U (en) | 2017-03-02 | 2017-03-02 | A kind of gear shift brake type carbon-free trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720198269.4U CN206499868U (en) | 2017-03-02 | 2017-03-02 | A kind of gear shift brake type carbon-free trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206499868U true CN206499868U (en) | 2017-09-19 |
Family
ID=59840741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720198269.4U Expired - Fee Related CN206499868U (en) | 2017-03-02 | 2017-03-02 | A kind of gear shift brake type carbon-free trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206499868U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107890679A (en) * | 2017-11-01 | 2018-04-10 | 武汉商学院 | With neutral position sliding mechanism and can intelligent barrier avoiding carbon-free trolley |
| CN108773264A (en) * | 2018-06-20 | 2018-11-09 | 福建工程学院 | A kind of gravitional force driving trolley |
| CN110167649A (en) * | 2018-09-05 | 2019-08-23 | 尤中乾 | Turnover mechanism, toy car and its control method |
| CN110215722A (en) * | 2019-04-30 | 2019-09-10 | 上海海事大学 | A kind of carbon-free trolley of Intelligent track identification |
-
2017
- 2017-03-02 CN CN201720198269.4U patent/CN206499868U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107890679A (en) * | 2017-11-01 | 2018-04-10 | 武汉商学院 | With neutral position sliding mechanism and can intelligent barrier avoiding carbon-free trolley |
| CN107890679B (en) * | 2017-11-01 | 2020-05-19 | 武汉商学院 | Carbon-free trolley with neutral gear sliding mechanism and capable of intelligently avoiding obstacles |
| CN108773264A (en) * | 2018-06-20 | 2018-11-09 | 福建工程学院 | A kind of gravitional force driving trolley |
| CN108773264B (en) * | 2018-06-20 | 2023-09-19 | 福建工程学院 | Gravitational potential energy driving trolley |
| CN110167649A (en) * | 2018-09-05 | 2019-08-23 | 尤中乾 | Turnover mechanism, toy car and its control method |
| CN110215722A (en) * | 2019-04-30 | 2019-09-10 | 上海海事大学 | A kind of carbon-free trolley of Intelligent track identification |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170919 Termination date: 20180302 |