CN206777855U - Walk the carbon-free trolley of figure of eight track - Google Patents
Walk the carbon-free trolley of figure of eight track Download PDFInfo
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- CN206777855U CN206777855U CN201720434891.0U CN201720434891U CN206777855U CN 206777855 U CN206777855 U CN 206777855U CN 201720434891 U CN201720434891 U CN 201720434891U CN 206777855 U CN206777855 U CN 206777855U
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Abstract
The utility model discloses it is a kind of walk figure of eight track carbon-free trolley, its steering mechanism for using cam steering rack travelling gear to form realizes that its is rational in infrastructure, high transmission accuracy to the course changing control of front-wheel vertical shaft；Simultaneously, the front-wheel mechanism of this carbon-free trolley has position adjustable function, by the differential head for adjusting front-wheel mechanism, micron order can be carried out to the position of front-wheel accurately to adjust, adjustment is engaged with cam steering rack travelling gear steering mechanism by differential head mechanism, the calibration to whole steering mechanism is realized, to ensure that trolley travelling track meets accurately " 8 " font trajectory；The utility model employs exclusive coiling cone pulley, and the coiling cone pulley is made up of the reel of multilayer different-diameter, during coiling, by rewinding the forms of a few circle bull wheels, effectively prevent the situation that dolly stops in the process of running and occurs.
Description
Technical field
The utility model belongs to carbon-free trolley technical field, and in particular to it is a kind of walk figure of eight track carbon-free trolley.
Background technology
Carbon-free trolley be it is a kind of need not consume fuel and the energy of battery storage, rely solely on raw during weight drop
Into mechanical potential produce power and drive the dolly of traveling, the specified system as university student's scientific and technical innovation contest in recent years
Make topic.It is usually to require a given gravitional force to make topic, and according to energy conversion principle, design one kind can be by the gravitational potential
Mechanical energy and can be used to can be converted to and drive carriage walking, the mechanical device turned to, dolly is avoided automatically when forward
The barrier set on racing track.
Automatically walk " 8 " word track dolly is the contest proposition of national college students' engineering training integration capability contest, it is desirable to
On the premise of given gravitional force, design one kind is capable of the dolly of automatically walk " 8 " word track.Existing carbon-free trolley structure
Complexity, processing difficulties, corresponding cost are also higher；Some degrees of regulation are not very high, cause trolley travelling track misalignment；Have
A little mechanisms are heavier, not only increase quality of dolly itself, the loss of energy is also add in motion process, make it not
Match can be completed.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided it is a kind of walk figure of eight track it is carbon-free small
Car.
The utility model is achieved through the following technical solutions：
It is a kind of walk figure of eight track carbon-free trolley, including vehicle frame and be arranged on vehicle frame be used for drive trailing wheel to advance
Drive mechanism, the steering mechanism for controlling front-wheel steer；
The front end of vehicle frame is provided with the adjustable front-wheel mechanism in position, and the front-wheel mechanism includes front-wheel fixed support, front-wheel
Mobile support, vertical shaft, front-wheel crotch and front-wheel, front-wheel fixed support are fixed on vehicle frame, and front-wheel movement support passes through two light
Bar and a differential head are connected with front-wheel fixed support, and vertical shaft is rotatably arranged on front-wheel by axle sleeve and moved in support, vertical shaft
Bottom front-wheel is installed by front-wheel crotch；The differential head, the parallel setting of polished rod, differential head are located at the center of two polished rods,
Realize that regulation front-wheel moves the distance between support and front-wheel fixed support by adjusting differential head, and then adjust vertical shaft, front-wheel
The position adjustments of crotch and front-wheel；Travelling gear is arranged with vertical shaft, by driving travelling gear to drive vertical shaft to rotate, and then
Realize that vertical shaft drives front-wheel steer；
The rear end of vehicle frame is provided with hind axle, and hind axle both ends are provided with trailing wheel, differential mechanism is provided with hind axle,
Driving shaft is provided with vehicle frame, coiling cone pulley and driving driving gear, the drive are installed with driving shaft
Dynamic driving gear engages with the driven gear of the differential mechanism on hind axle, and potential energy block bypasses fixed pulley and coiling by flexible rope
Cone pulley connects, and drives coiling cone pulley and driving shaft to rotate by flexible rope when potential energy block falls, driving force is provided for driving shaft；
Driving gear, the differential mechanism on hind axle is driven to form the drive mechanism that driving trailing wheel is advanced on the driving shaft, driving shaft, when
When potential energy block drives driving shaft rotation, the driving driving gear on driving shaft passes through differential mechanism and drives hind axle to rotate, realization pair
The driving of trailing wheel；
Diversion driving-gear is further fixedly arranged in one end of driving shaft, the diversion driving-gear and one turns to driven gear
Engagement, turn to driven gear and one cam, one end connection of cam and steering rack, the steering rack level are connected by rotating shaft
It is slidably arranged in the supporting plate on vehicle frame, the other end of steering rack engages with the travelling gear on the vertical shaft of front-wheel mechanism,
Before the diversion driving-gear, the travelling gear turned on driven gear, rotating shaft, cam, steering rack and vertical shaft form control
Rotate to steering mechanism, driving shaft operate when, diversion driving-gear driving turn to driven gear motion, turn to driven gear lead to
Rotating shaft band moving cam synchronous axial system is crossed, actuated by cams rack moves forward and backward, and the front end of rack drives vertical shaft to turn by travelling gear
It is dynamic, so as to realize the steering of front-wheel, by the special-shaped track of cam, dolly is walked out figure of eight track during traveling.
In the above-mentioned technical solutions, vertical tube is vertically arranged with vehicle frame, vertical tube top sets fixed pulley by support, vertical
Potential energy block is provided with cylinder；The opening for being put into potential energy block is provided with vertical tube barrel.
In the above-mentioned technical solutions, the cam has one to enclose special-shaped outline for controlling moving of car track, turns to
The end set of rack has roller, and the roller of steering rack and the special-shaped outline of cam, which roll, to be coordinated.
In the above-mentioned technical solutions, supporting plate is made up of two risers, and four rolling is provided between two risers, described
Between steering rack is slidably mounted on two risers by four rolling level, the above and below of steering rack installs two respectively
Roller, slided with ensureing that steering rack can be grown along it to level.
In the above-mentioned technical solutions, the coiling cone pulley is made up of the reel of multilayer different-diameter.
In the above-mentioned technical solutions, the first layer reel of coiling cone pulley including a diameter of 10mm, the of a diameter of 15mm
Two layers of reel, a diameter of 20mm third layer reel, a diameter of 25mm the 4th layer of reel, the five of a diameter of 30mm
Layer reel；During coiling, first around the first layer reel that several loop diameters are 10mm, then around the second layer that several loop diameters are 15mm
Reel, it is then direct across diameter 25mm the 4th layer of reel then around the third layer reel that several loop diameters are 20mm
Around a few circle 30mm layer 5 reel, then further around a few circle 25mm the 4th layer of reel, finally further around the of a few circle 30mm
Five layers of reel.
The advantages of the utility model and have the beneficial effect that：
The steering mechanism that the utility model uses cam -- steering rack -- travelling gear to form is realized to front-wheel vertical shaft
Course changing control, its is rational in infrastructure, high transmission accuracy；Meanwhile the front-wheel mechanism of this carbon-free trolley has position adjustable function, passes through
Adjust the differential head of front-wheel mechanism, micron order can be carried out to the position of front-wheel and accurately adjusted, by differential head mechanism with it is convex
Wheel -- steering rack -- travelling gear steering mechanism is engaged adjustment, the calibration to whole steering mechanism is realized, to ensure dolly
Running orbit meets accurately " 8 " font trajectory；
The utility model employs exclusive coiling cone pulley, the coiling cone pulley by multilayer different-diameter reel group
Into during, coiling, by rewinding the forms of a few circle bull wheels, it effectively prevent the situation that dolly stops in the process of running and occur；This
Outside, compared with traditional conical surface roll, first if showing for rope downslide often occurs using the roll with the conical surface
As, and this problem is avoided using cone pulley；Also it is exactly using the roll with the conical surface, the diametrical position of each coiling
All can not be accurate, if the diametrical position of each coiling is different, also influence whether the track of dolly；And each using cone pulley
Coiling can accurate coiling diametrical position, be advantageous to the regulation of small wheel paths.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is Fig. 1 enlarged drawing.
Fig. 3 is the structural representation at another visual angle of the utility model.
Fig. 4 is the structural representation that the utility model removes front-wheel fixed support and front-wheel movement support.
Fig. 5 is the structural representation of coiling cone pulley of the present utility model.
Embodiment
The technical solution of the utility model is further illustrated with reference to specific embodiment.
It is a kind of walk figure of eight track carbon-free trolley, including vehicle frame and be arranged on vehicle frame be used for drive trailing wheel to advance
Drive mechanism, the steering mechanism for controlling front-wheel steer.
Vertical tube 2 is vertically arranged with vehicle frame 1, vertical tube top sets fixed pulley 4 by support 3, gesture is provided with vertical tube
Can block；The opening 5 for being put into potential energy block is provided with vertical tube barrel；
The front end of vehicle frame is provided with front-wheel mechanism, and front-wheel mechanism includes front-wheel fixed support 6, front-wheel movement support 7, vertical shaft
8th, front-wheel crotch 9 and front-wheel 10, front-wheel fixed support 6 are fixed on vehicle frame 1, and front-wheel movement support 7 passes through two Hes of polished rod 11
One differential first 12 is connected with front-wheel fixed support 6, and vertical shaft 8 is rotatably arranged on front-wheel by axle sleeve and moved in support 7, vertical shaft
Bottom front-wheel 10 (front-wheel is arranged on front-wheel crotch, and front-wheel crotch is fixed with vertical shaft bottom) is installed by front-wheel crotch 9；It is described
The parallel setting of differential head, polished rod, differential first 12 realize regulation front-wheel positioned at the center of two polished rods 11 by adjusting differential head
Mobile the distance between support and front-wheel fixed support, and then adjust the position adjustments of vertical shaft 8, front-wheel crotch 9 and front-wheel 10；
Travelling gear 26 is arranged with vertical shaft 8, by driving travelling gear 26 to drive vertical shaft 8 to rotate, and then realizes that vertical shaft 8 drives front-wheel
Turn to；
The rear end of vehicle frame is symmetrically set with two rear wheel supports 13 in left and right, is installed on two rear wheel supports by bearing
There is hind axle 14, two trailing wheels 15 of carbon-free trolley are installed at hind axle both ends；Differential mechanism 16 is provided with hind axle,
Driving shaft 17 is additionally provided with vehicle frame, coiling cone pulley 18 and driving driving gear are installed with driving shaft 17
19, the driving driving gear 19 engages with the driven gear of the differential mechanism on hind axle, and the potential energy block passes through flexible rope
It is connected around fixed pulley with coiling cone pulley, drives coiling cone pulley and driving shaft to rotate by flexible rope when potential energy block falls, be
Driving shaft provides driving force；Driving gear 19, the differential mechanism 16 on hind axle is driven to form and drive on the driving shaft 17, driving shaft
The drive mechanism that dynamic trailing wheel is advanced, when potential energy block drives driving shaft to rotate, the driving driving gear on driving shaft passes through differential
Device drives hind axle to rotate, and realizes the driving to trailing wheel.
Diversion driving-gear 20 is further fixedly arranged in one end of driving shaft, the diversion driving-gear and one turns to driven tooth
The engagement of wheel 21, turn to driven gear 21 and a cam 23 is connected by rotating shaft 22, cam is connected (described with one end of steering rack 24
Cam 23 has one to enclose special-shaped outline 23-1 for controlling moving of car track, and the end set of steering rack has roller, turns
The special-shaped outline of roller and cam to rack, which rolls, to be coordinated), the steering rack level is slidably arranged in the support on vehicle frame
(supporting plate 25 is made up of two parallel risers, and four rolling, the steering rack are provided between two risers on plate 25
Between being slidably mounted on two risers by four rolling level, two rollers are installed in the above and below of steering rack respectively, to protect
Card steering rack, which can be grown along it to level, to be slided), the travelling gear on the other end of steering rack and the vertical shaft 8 of front-wheel mechanism
26 engagements；The diversion driving-gear 20, turn to driven gear 21, rotating shaft 22, cam 23, steering rack 25, the biography on vertical shaft
Moving gear 26 forms the steering mechanism of control front-wheel steer, and when driving shaft operates, diversion driving-gear driving turns to driven gear
Motion, turn to driven gear and moved forward and backward by rotating shaft band moving cam synchronous axial system, actuated by cams rack, the front end of rack passes through
Travelling gear 26 drives vertical shaft 8 to rotate, and so as to realize the steering of front-wheel, by the special-shaped track of cam, is traveling across dolly
Figure of eight track is walked out in journey.
In order to ensure that trolley travelling track meets accurately " 8 " font trajectory, it is necessary to adjust the differential head of front-wheel mechanism, come
The accuracy of the whole steering mechanism of accurate adjustment；During adjustment, it is first determined the original position of cam (determines rising for steering rack
Beginning position), then adjust differential head front-wheel is in honest state.
The coiling cone pulley 18 is made up of the reel of multilayer different-diameter, and in the present embodiment, coiling cone pulley 18 includes
It is a diameter of 10mm set gradually from left to right first layer reel a, a diameter of 15mm second layer reel b, a diameter of
20mm third layer reel c, a diameter of 25mm the 4th layer of reel d, a diameter of 30mm layer 5 reel e.Coiling
When, first around several loop diameters be 10mm first layer reel a, then around several loop diameters be 15mm second layer reel b, then
Around several loop diameters be 20mm third layer reel c, then across diameter 25mm the 4th layer of reel d directly around a few circle 30mm
Layer 5 reel e, then further around a few circle 25mm the 4th layer of reel d, finally further around a few circle 30mm layer 5 coiling
Take turns e.The purpose of such coiling is：Because dolly is in the process of walking, due to acting on for the resistance by frictional force and air, weight
Hammer drops to certain distance, and dolly just stopped (when this is due to that weight drops to certain distance, now at trolley travelling track
In anxious turning point, the frictional resistance of wheel and ground and the frictional resistance of transmission mechanism is caused to increase, and now small vehicle speed
And the falling speed of potential energy block is again relatively low, so now frictional resistance can be more than potential energy block momentum and dolly momentum, causes
Dolly just stops), thus by rewind it is a few circle bull wheels forms, exactly allow dolly stopping position roll on bull wheel,
One larger driving force of dolly like this can be given, drives dolly to be walked forward.
In addition, compared with traditional conical surface roll, first if rope often occurs using the roll with the conical surface
The phenomenon that son glides, and this problem is avoided using cone pulley.Also it is exactly using the roll with the conical surface, each coiling
Diametrical position all can not be accurate, if the diametrical position of each coiling is different, also influence whether the track of dolly；And use
The each coiling of cone pulley can accurate coiling diametrical position, be advantageous to the regulation of small wheel paths.
Exemplary description is done to the utility model above, it should explanation, do not departing from core of the present utility model
In the case of the heart, any simple deformation, modification or other skilled in the art can not spend creative work etc.
The scope of protection of the utility model is each fallen within replacing.
Claims (6)
1. it is a kind of walk figure of eight track carbon-free trolley, including vehicle frame and be arranged on vehicle frame be used for drive trailing wheel advance
Drive mechanism, the steering mechanism for controlling front-wheel steer, it is characterised in that：
The front end of vehicle frame is provided with the adjustable front-wheel mechanism in position, and the front-wheel mechanism includes front-wheel fixed support, front-wheel moves
Support, vertical shaft, front-wheel crotch and front-wheel, front-wheel fixed support are fixed on vehicle frame, front-wheel move support by two polished rods and
One differential head is connected with front-wheel fixed support, and vertical shaft is rotatably arranged on front-wheel by axle sleeve and moved in support, the bottom of vertical shaft
Front-wheel is installed by front-wheel crotch；The differential head, the parallel setting of polished rod, differential head pass through positioned at the center of two polished rods
Adjust differential head and realize regulation front-wheel movement the distance between support and front-wheel fixed support, and then adjust vertical shaft, front-wheel crotch
With the position adjustments of front-wheel；Travelling gear is arranged with vertical shaft, by driving travelling gear to drive vertical shaft to rotate, and then is realized
Vertical shaft drives front-wheel steer；
The rear end of vehicle frame is provided with hind axle, and hind axle both ends are provided with trailing wheel, differential mechanism is provided with hind axle,
Driving shaft is provided with vehicle frame, coiling cone pulley and driving driving gear, the driving master are installed with driving shaft
Moving gear engages with the driven gear of the differential mechanism on hind axle, and potential energy block is by flexible rope around fixed pulley and coiling cone pulley
Connection, drive coiling cone pulley and driving shaft to rotate by flexible rope when potential energy block falls, driving force is provided for driving shaft；It is described
Drive driving gear, the differential mechanism on hind axle to form the drive mechanism that driving trailing wheel is advanced on driving shaft, driving shaft, work as potential energy
When block drives driving shaft rotation, the driving driving gear on driving shaft drives hind axle to rotate by differential mechanism, realizes to trailing wheel
Driving；
Diversion driving-gear is further fixedly arranged in one end of driving shaft, the diversion driving-gear is nibbled with a steering driven gear
Close, it is horizontal sliding by rotating shaft one cam of connection, one end connection of cam and steering rack, the steering rack to turn to driven gear
Dynamic to be arranged in the supporting plate on vehicle frame, the other end of steering rack engages with the travelling gear on the vertical shaft of front-wheel mechanism, institute
The travelling gear for state diversion driving-gear, turning on driven gear, rotating shaft, cam, steering rack and vertical shaft forms control front-wheel
The steering mechanism of steering, when driving shaft operates, diversion driving-gear driving turns to driven gear motion, turns to driven gear and passes through
Rotating shaft band moving cam synchronous axial system, actuated by cams rack move forward and backward, and the front end of rack drives vertical shaft rotating by travelling gear,
So as to realize the steering of front-wheel.
2. it is according to claim 1 it is a kind of walk figure of eight track carbon-free trolley, it is characterised in that：Set vertically on vehicle frame
Vertical tube is equipped with, vertical tube top sets fixed pulley by support, and potential energy block is set in vertical tube；It is provided with vertical tube barrel for putting
Enter the opening of potential energy block.
3. it is according to claim 1 it is a kind of walk figure of eight track carbon-free trolley, it is characterised in that：The cam has
One encloses the special-shaped outline for controlling moving of car track, and the end set of steering rack has a roller, the roller of steering rack with
The special-shaped outline of cam, which rolls, to be coordinated.
4. it is according to claim 1 it is a kind of walk figure of eight track carbon-free trolley, it is characterised in that：Supporting plate is by two
Riser forms, and is provided with four rolling between two risers, the steering rack is slidably mounted on two by four rolling level
Between individual riser, two rollers are installed in the above and below of steering rack respectively, to ensure that it is sliding to level that steering rack can be grown along it
It is dynamic.
5. it is according to claim 1 it is a kind of walk figure of eight track carbon-free trolley, it is characterised in that：The coiling cone pulley
It is made up of the reel of multilayer different-diameter.
6. it is according to claim 1 it is a kind of walk figure of eight track carbon-free trolley, it is characterised in that：Coiling cone pulley includes
A diameter of 10mm first layer reel, a diameter of 15mm second layer reel, a diameter of 20mm third layer reel, straight
Footpath is 25mm the 4th layer of reel, a diameter of 30mm layer 5 reel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720434891.0U CN206777855U (en) | 2017-04-24 | 2017-04-24 | Walk the carbon-free trolley of figure of eight track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720434891.0U CN206777855U (en) | 2017-04-24 | 2017-04-24 | Walk the carbon-free trolley of figure of eight track |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206777855U true CN206777855U (en) | 2017-12-22 |
Family
ID=60708882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720434891.0U Expired - Fee Related CN206777855U (en) | 2017-04-24 | 2017-04-24 | Walk the carbon-free trolley of figure of eight track |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206777855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107029434A (en) * | 2017-04-24 | 2017-08-11 | 钦州学院 | It is a kind of walk figure of eight track carbon-free trolley |
-
2017
- 2017-04-24 CN CN201720434891.0U patent/CN206777855U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107029434A (en) * | 2017-04-24 | 2017-08-11 | 钦州学院 | It is a kind of walk figure of eight track carbon-free trolley |
| CN107029434B (en) * | 2017-04-24 | 2023-03-10 | 钦州学院 | Carbon-free trolley walking along 8-shaped track |
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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 |
Granted publication date: 20171222 Termination date: 20180424 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |