CN109939449A - A kind of carbon-free trolley based on cylindrical cam pair - Google Patents
A kind of carbon-free trolley based on cylindrical cam pair Download PDFInfo
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- CN109939449A CN109939449A CN201910338599.2A CN201910338599A CN109939449A CN 109939449 A CN109939449 A CN 109939449A CN 201910338599 A CN201910338599 A CN 201910338599A CN 109939449 A CN109939449 A CN 109939449A
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Abstract
The invention discloses a kind of carbon-free trolleys based on cylindrical cam pair.The carbon-free trolley based on cylindrical cam pair includes operating mechanism, kinetic energy output mechanism, kinetic energy switching mechanism, steering mechanism.The gravitional force of weight-drop is converted into the kinetic energy of trolley traveling by kinetic energy switching mechanism, and trolley is driven to advance.Steering mechanism includes cylinder axis body, cam pair nut, feather key, U-shaped bar, connecting rod.Two identical, oppositely oriented thread grooves of screw pitch are offered on cylinder axis body side wall, two thread groove ends are connected by curved groove, and curved groove and thread groove constitute closing groove body.The present invention is by the rotation of cylinder axis body, so that cam pair nut and U-shaped bar move reciprocatingly along straight line where cylinder axis body, under the action of connecting rod, directive wheel is swung, avoiding barrier.It is driven by using a wheel active, a wheel, and two-wheeled out-of-alignment frame mode, not only avoided driven wheel from generating interference to the movement of driving wheel, but also realize accurate differential.
Description
Technical field
The present invention relates to one of scientific and technical innovation technical field automatic carriages, more particularly to one kind to be based on cylindrical cam pair
Carbon-free trolley.
Background technique
With the development of science and technology, energy consumption is growing, and coal gives the valuable wealth of the mankind as the Nature
Richness plays the role of the development of human society within a very long time very important.But since people are to the huge of coal
Big demand, coal resources reduce increasingly and are bordering on exhaustion.With the promotion of people's energy conservation and environmental awareness, carbon-free theory is also increasingly
The project of research is put on by people.Cleaner, more environmentally friendly, more energy efficient, more efficient theory is also rooted in the hearts of the people.
Carbon-free trolley has been increasingly becoming each department or even national mechanical creative design class match in this context.Herein
Required in secondary engineering training integration capability contest each player's autonomous Design and make it is a kind of with direction controlling function from
Row trolley, it is desirable that complete everything in its walking process.Required energy is converted by the gravitional force of given weight fell
And obtain, it is not possible to use the energy in any other source.
The only given gravitional force of energy needed for trolley completes everything in the process of walking is converted and is obtained, and is not made
With the energy in any other source.The energy for driving it to walk and turn to is according to energy conversion principle, by giving gravitional force
Obtained from conversion.The given gravitional force is made using the standard test weight diameter 50mm high 65mm carbon steel that quality is 1Kg, counterweight
Can falling head be 400 ± 2mm.Standard test weight is carried by trolley always, does not allow to fall from trolley.Trolley is when forward
The barrier being arranged on runway can be automatically bypassed, barrier is the pole of diameter 20mm, high 200mm, and between barrier
Distance be 700~1300mm, put along place middle line is equidistant.Volume the car design purpose requires to be given gravitional force, voluntarily
Advance around stake and run distance as far as possible, trolley should realize two functions: the conversion of gravitional force and periodically steering.
Before the present invention makes, there are some design methods for the invention design of such trolley at present, substantially
The purpose walked and detoured can be completed, but the precision turned to is difficult to control, trolley turns to cycle regulating difference.
Summary of the invention
The present invention provides a kind of carbon-free trolley based on cylindrical cam pair, overcomes precision existing for existing carbon-free trolley
The problem of being difficult to control.
The present invention is implemented with the following technical solutions: a kind of carbon-free trolley based on cylindrical cam pair, including operating mechanism,
Kinetic energy switching mechanism, kinetic energy output mechanism, steering mechanism, micro-adjusting mechanism.
Operating mechanism includes bottom plate, two risers, driving wheel, driven wheel, rotating bar, directive wheels；Two risers are solid
Dingan County is on two opposite faces of the bottom plate；The driving wheel and the driven wheel be rotatably installed in respectively two it is described perpendicular
On plate；The rotating bar is vertically rotated and is plugged on the bottom plate；The directive wheel is fixedly mounted in the rotating bar.
Kinetic energy switching mechanism includes several locating rods, reel, drive sprocket axle, gear wheel, pinion gear；The locating rod is in
Annular array is fixedly mounted on the bottom plate.The reel is fixedly mounted on the cylinder surrounded by several locating rods
In space.The drive sprocket axle is vertically rotatably installed between two risers；The gear wheel fixation is set in the master
On driving wheel axis.The pinion rotation is mounted on the riser of the driving wheel side and engages with the gear wheel.It is main
Rotational installation between driving wheel and the riser is realized by the drive sprocket axle.
Kinetic energy output mechanism includes weight, cord；The weight, which is movably arranged at, to be surrounded by several locating rods
In cylindrical space；One end of the cord is connected with the weight, and the other end of the cord bypasses the reel and institute
Drive sprocket axle is stated to be connected.Weight is 1kg standard test weight, the inscribe diameter of a circle to connect with locating rod side described in several and institute
The diameter for stating counterweight is equal.The gravitional force that weight-drop generates is converted into kinetic energy by kinetic energy switching mechanism, and trolley is driven to be advanced.
Steering mechanism includes cylinder axis body, cam pair nut, feather key, U-shaped bar, connecting rod；The cylinder axis body rotation peace
Between two risers, two identical, oppositely oriented thread grooves of screw pitch are offered on the cylinder axis body side wall, two
Thread groove end described in item is connected by curved groove, and the curved groove and the thread groove constitute closing groove body；The cam
Secondary nut is set in the cylinder axis body, and the through-hole passed through for the cylinder axis body, institute are offered on the cam pair nut
State the feather key for being provided with and being walked on through-hole side wall in the enclosed slot body；The U-shaped bar is fixedly mounted on the cam
On secondary nut；The connecting rod is fixedly mounted in the rotating bar and connects with the U-shaped bar inner wall.When weight-drop, lead to
Meticulous rope drive drives cylinder axis body to make unidirectional circular motion, and feather key is moved along closing groove body, thus with moving cam pair nut
Linear reciprocating motion is done in cylinder axis body with U-shaped bar, under the action of connecting rod, rotating bar is swung, to realize directive wheel
It swings, so that trolley walks out S type motion profile.
As a further improvement of the foregoing solution, the diameter of driving wheel is greater than the diameter of the driven wheel.
As a further improvement of the foregoing solution, kinetic energy switching mechanism further includes top plate, screw rod, fixed plate.It is opened on top plate
Equipped with multiple circular holes passed through for the locating rod；The screw rod is fixedly mounted at the top of the locating rod, the top plate and institute
It states and is fixed between screw rod by lock nut；The fixed plate is fixedly mounted on the top plate.Reel includes bull wheel and small
Wheel, the bull wheel are rotatably installed in the fixed plate, and the steamboat and the bull wheel are integrally formed and connect, and the steamboat
Axle center is overlapped with the axle center of the bull wheel.One end of cord is connected with the weight, and the other end of the cord is around described small
It takes turns and is wrapped on the bull wheel, be subsequently fastened on the drive sprocket axle.
As a further improvement of the foregoing solution, the rotational installation between reel and the fixed plate is by embedding bearing
It realizes, the axle center of the embedded bearing is overlapped with the axle center of the bull wheel.
As a further improvement of the foregoing solution, micro-adjusting mechanism includes differential bracket, differential debugger.The differential bracket
It is arranged close on the bottom plate of the directive wheel side.The differential debugger is mounted on the differential bracket.
The invention has the advantages that
The present invention in cylinder axis body by being arranged identical, the oppositely oriented thread groove of two screw pitch, two screw threads
Slot end is connected by curved groove, and the curved groove and the thread groove constitute closing groove body, is arranged on cam pair nut
The feather key that can be walked in enclosed slot body.The present invention is by the rotation of cylinder axis body, so that cam pair nut and U-shaped bar are along circle
Straight line where axis of a cylinder body moves reciprocatingly, and under the action of connecting rod, rotating bar reciprocally swinging is hided so that directive wheel is swung
Obstacle avoidance object.It is calculated by detailed parameter, it is driven using a wheel active, a wheel, and two-wheeled out-of-alignment frame mode, it is avoided that
Driven wheel generates interference to the movement of driving wheel.Since trolley two-wheeled is handled using off-axis, when driving wheel provides onward impulse, nothing
It is in curve inner side or outside in turning by driven wheel, the circle number of driven wheel rotation and direction all can be automatically according to specific
Situation and rotate, advance track will not be had an impact, realize accurate differential.
Detailed description of the invention
Fig. 1 is the main view of the carbon-free trolley based on cylindrical cam pair of the embodiment of the present invention.
Fig. 2 is the top view of the carbon-free trolley based on cylindrical cam pair in Fig. 1.
Fig. 3 is the left view of the carbon-free trolley based on cylindrical cam pair in Fig. 1.
Fig. 4 is the structural schematic diagram of cylinder axis body.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Present embodiments provide a kind of carbon-free trolley based on cylindrical cam pair.Fig. 1, Fig. 2 and Fig. 3 are please referred to, this is based on
The carbon-free trolley of cylindrical cam pair includes operating mechanism, kinetic energy switching mechanism, kinetic energy output mechanism, steering mechanism, micro-adjusting mechanism.
Operating mechanism includes 22, two risers 17, driving wheel 32, driven wheel 11, rotating bar 38, directive wheels 37 of bottom plate.Two
A riser 17 is fixedly mounted on two opposite faces of the bottom plate 22.The driving wheel 32 and the driven wheel 11 are distinguished
It is not rotatably installed in coaxially on two risers 17, and is fixed by flange nut 15, the diameter of driving wheel 32
Greater than the diameter of the driven wheel 11.Driving wheel 32 and driven wheel 11 are not co-axially located on two risers 17, and driven wheel 11 is logical
Follower shaft 19 is crossed to realize and the vertical rotation grafting between wherein one of riser 17.It is same being located at another riser 17
An active wheel support 34 is fixed on the bottom plate 22 of side, driving wheel 32 is realized between active wheel support 34 by driving shaft 20
Vertical rotation grafting.It avoids driven wheel 11 and interference is generated to the movement of driving wheel 32, when driving wheel 32 provides onward impulse, nothing
It is that circle number that driven wheel 11 rotates and direction all can be automatically according in curve inner side or outside in turning by driven wheel 11
Concrete condition and rotate, advance track will not be had an impact, realize accurate differential.The vertically rotation grafting of rotating bar 38
On the bottom plate 22, vertical rotation grafting of the rotating bar 38 on bottom plate 22 can be realized by built-in bearing.It is described to lead
It is fixedly mounted in the rotating bar 38 to wheel 37, is moved synchronously with rotating bar 38.Directive wheel 37 passes through spiral shell in rotating bar 38
Cap fixes, and washer 16 is added between nut and directive wheel 37, plays protective action.
Kinetic energy switching mechanism includes several locating rods 6, top plate 5, screw rod, fixed plate, reel 1, drive sprocket axle, gear wheel
35, pinion gear 31.6 circular array of locating rod is fixedly mounted on the bottom plate 22, is offered on top plate 5 multiple for institute
The circular hole that locating rod 6 passes through is stated, the screw rod is fixedly mounted on 6 top of locating rod, between the top plate 5 and the screw rod
It is fixed by lock nut 4.
The fixed plate 18 is fixedly mounted on the top plate 5, rotational installation side of the reel 1 in the fixed plate 18
There are many kinds of formulas, in the present embodiment, axle sleeve 3 can be arranged in fixed plate 18, in 3 inner fixed bearing 3 44 of axle sleeve, by coiling
1 rotation of wheel is set in bearing 3 44, and is fixed by soket head cap screw 2.Reel 1 includes bull wheel and small
Wheel, the axle center of the embedded bearing are overlapped with the axle center of the bull wheel, and the bull wheel is rotatably installed in the fixed plate 18, institute
It states steamboat and the bull wheel and is integrally formed and connect, the edge of steamboat constitutes roll 21, and the axle center of the steamboat and described big
The axle center of wheel is overlapped.The drive sprocket axle is vertically rotatably installed between two risers 17, driving wheel 32 and the riser
Rotational installation between 17 is realized by the drive sprocket axle.The fixation of gear wheel 35 is set on the drive sprocket axle,
It is rotated together on drive sprocket axle.The pinion gear 31 be rotatably installed on the riser 17 of 32 side of driving wheel and with
The gear wheel 35 engages, and pinion gear 31 rotates together with gear wheel 35.
Kinetic energy output mechanism includes weight, cord.The weight, which is movably arranged at, to be surrounded by several locating rods 6
In cylindrical space.Weight is 1kg standard test weight, with the inscribe diameter of a circle and institute that 6 side of locating rod connects described in several
The diameter for stating counterweight is equal.One end of the cord is connected with the counterweight, and the other end of the cord bypasses the roll
It 21 and is wrapped on the bull wheel.One is fixed on top plate 5 in the present embodiment in order to increase the convenience of cord movement
Pulley bracket 43 is rotatablely installed a pulley 42 on pulley bracket 43, and one end of cord passes through pulley 42 from bull wheel, then solid
It is scheduled on the drive sprocket axle.
When counterweight falls from eminence, the movement of falling object is done in the cylindrical space surrounded by several locating rods 6, is positioned
The setting of bar 6 limits the movement of counterweight in the horizontal direction, avoids counterweight and cause moving of car track because moving horizontally
Occur with the case where set trajectory deflection.Counterweight drives one end of cord to fall, and the steamboat rotation of reel 1 drives reel 1
Bull wheel rotation, cord winds on bull wheel, and the cord being wound around on drive sprocket axle loosens, so that drive sprocket axle is unidirectionally to forward
Dynamic, the driving wheel 32 being fixed on drive sprocket axle rotates, and trolley is driven to be advanced forward.
Steering mechanism includes cylinder axis body 9, cam pair nut 8, feather key 45, U-shaped bar 30, connecting rod 29.Described in two
Two brackets 10 are fixed at the top of riser 17, and cylinder axis body 9 is rotatably installed between two brackets 10.Cylinder axis body 9 is in riser
There are many kinds of rotational installation modes on 17, in embodiment, can be realized by bearing.Pinion gear 31 turns on riser 17
There are many kinds of dynamic mounting means is same, in the present embodiment, it is set in cylinder axis body 9, passes through using by the fixation of pinion gear 31
The rotation of pinion gear 31 drives the rotation of cylinder axis body 9.
When counterweight falls from eminence, under the draw of cord, drive sprocket axle is rotated, the gear wheel on drive sprocket axle
35 rotate and pinion gear 31 are driven to rotate, and under the rotary action of pinion gear 31, cylinder axis body 9 is rotated.Referring to Fig. 4, described
The thread groove 46 that two screw pitch are identical, oppositely oriented is offered on 9 side wall of cylinder axis body, two 46 ends of thread groove are logical
Curved groove connection is crossed, the curved groove and the thread groove 46 constitute closing groove body.The cam pair nut 8 is set in the circle
On axis of a cylinder body 9, the through-hole passed through for the cylinder axis body 9 is offered on the cam pair nut 8, is arranged on the through-hole side wall
There is the feather key 45 that can be walked in the enclosed slot body.For the ease of the taking-up of feather key 45, opened up on cam pair nut 8
One through-hole connects a stud 33 in through-hole internal screw thread, one block 7 of connection is integrally formed at the top of stud 33.Hold block
Body 7 simultaneously rotates, and backs out stud 33, convenient for taking out feather key 45, is conducive to replace feather key 45 in time.The U-shaped bar 30 is fixed
It is mounted on the cam pair nut 8, in order to enhance mounting stability of the U-shaped bar 30 on cam pair nut 8, in the present embodiment
In, a slide bar 12 is fixed between two brackets 10.A fixed block 13 is fixed on U-shaped bar 30, fixed block 13 is set in
On slide bar 12, it is rotatablely connected between fixed block 13 and slide bar 12 by bearing 1.One end of the connecting rod 29 is fixedly mounted on
In the rotating bar 38, a vertical bar 41 is fixedly connected on the other end of connecting rod 29.Vertical bar 41 and the U-shaped 30 inner wall phase of bar
It connects.
By Such analysis it is found that cylinder axis body 9 can rotate, the feather key 45 in cylinder axis body 9 with the whereabouts of counterweight
It can be moved in enclosed slot body, by screw rod motion principle it is found that cam pair nut 8 can be along 9 place rectilinear direction of cylinder axis body
Do linear reciprocating motion.Connecting rod 29 connects with U-shaped 30 inner wall of bar, when cam pair nut 8 does linear reciprocating motion, U-shaped bar 30
Also linear reciprocating motion is done.Impetus power of the connecting rod 29 by U-shaped bar 30, around rotating bar reciprocating rotation, rotating bar is driven
Directive wheel reciprocally swinging, so that trolley walks out S type path and avoiding barrier.
Micro-adjusting mechanism includes differential bracket 25, differential debugger 23.The differential bracket 25 is arranged close to the guiding
It takes turns on the bottom plate 22 of 37 sides.Directive wheel 37 is there are many kinds of the mounting means on bottom plate 22, in the present embodiment, the bottom of at
Fixed guide wheel support 27 on plate 22.In order to enhance stability maintenance of the guide wheel bracket 27 on bottom plate 22, add one it is auxiliary
Fixed frame 26 is helped, guide wheel bracket 27 is auxiliarily fixed.The differential debugger 23 is mounted on the differential bracket 25,
And it is fixed with locking nut 24.Rotating bar 38 runs through guide wheel bracket 27, rotating bar 38 and guide wheel bracket 27 it
Between by bearing 2 28 be rotatablely connected.Differential debugger 23 is used to measure relative position of the directive wheel 37 on bottom plate 22, so as to
By rotating bar 38, the position of directive wheel 37 is adjusted.For the ease of installation of the directive wheel 37 in rotating bar 38,
In the present embodiment, it has been additionally arranged at the bottom of a transverse slat 36 in rotating bar 38, has fixed two fixations in the opposite side of 36 bottom of transverse slat
Item vertically rotates one horizontal axis 39 of grafting between two fixed strips, directive wheel 37 is movably set on horizontal axis 39.In transverse slat
Spring 40 is added between 36 and connecting rod 29, plays buffer function.Player is according to racing track barrier design conditions, by detailed parameter
It calculates, may be selected directive wheel 37 to be arranged on the suitable position of bottom plate 22, to complete to compete, design is reasonable.
The present invention in cylinder axis body by being arranged identical, the oppositely oriented thread groove of two screw pitch, two screw threads
Slot end is connected by curved groove, and the curved groove and the thread groove constitute closing groove body, is arranged on cam pair nut
The feather key that can be walked in enclosed slot body.The present invention is by the rotation of cylinder axis body, so that cam pair nut and U-shaped bar are along circle
Straight line where axis of a cylinder body moves reciprocatingly, and under the action of connecting rod, rotating bar reciprocally swinging is hided so that directive wheel is swung
Obstacle avoidance object.It is calculated by detailed parameter, it is driven using a wheel active, a wheel, and two-wheeled out-of-alignment frame mode, it is avoided that
Driven wheel generates interference to the movement of driving wheel.Since trolley two-wheeled is handled using off-axis, when driving wheel provides onward impulse, nothing
It is in curve inner side or outside in turning by driven wheel, the circle number of driven wheel rotation and direction all can be automatically according to specific
Situation and rotate, advance track will not be had an impact, realize accurate differential.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (10)
1. a kind of carbon-free trolley based on cylindrical cam pair comprising:
Operating mechanism, the operating mechanism include bottom plate, two risers, driving wheel, driven wheel, rotating bar, directive wheels；Two institutes
Riser is stated to be fixedly mounted on two opposite faces of the bottom plate；The driving wheel and the driven wheel are rotatably installed in two respectively
On a riser；The rotating bar is vertically rotated and is plugged on the bottom plate；The directive wheel is fixedly mounted on the rotation
On bar；
Kinetic energy switching mechanism, the kinetic energy switching mechanism include several locating rods, reel, drive sprocket axle, gear wheel, small tooth
Wheel；The locating rod circular array is fixedly mounted on the bottom plate；The reel is fixedly mounted on by several described fixed
In the cylindrical space that position bar surrounds；The drive sprocket axle is vertically rotatably installed between two risers；The gear wheel
Fixation is set on the drive sprocket axle；The pinion rotation be mounted on the riser of the driving wheel side and with institute
State gear wheel engagement；
Kinetic energy output mechanism, the kinetic energy output mechanism include weight, cord；The weight is movably arranged at by several described
In the cylindrical space that locating rod surrounds；One end of the cord is connected with the weight, and the other end of the cord bypasses institute
Reel is stated to be connected with the drive sprocket axle；
It is characterized in that, the carbon-free trolley further include:
Steering mechanism, the steering mechanism include cylinder axis body, cam pair nut, feather key, U-shaped bar, connecting rod；The cylindrical shaft
Body is rotatably installed between two risers, and it is identical, oppositely oriented that two screw pitch are offered on the cylinder axis body side wall
Thread groove, two thread groove ends are connected by curved groove, and the curved groove and the thread groove constitute closing groove body；
The cam pair nut is set in the cylinder axis body, offers what the confession cylinder axis body passed through on the cam pair nut
Through-hole is provided with the feather key that can be walked in the enclosed slot body on the through-hole side wall；The U-shaped bar is fixedly mounted on institute
It states on cam pair nut；The connecting rod is fixedly mounted in the rotating bar and connects with the U-shaped bar inner wall.
2. the carbon-free trolley as described in claim 1 based on cylindrical cam pair, which is characterized in that the diameter of the driving wheel is big
In the diameter of the driven wheel.
3. the carbon-free trolley as described in claim 1 based on cylindrical cam pair, which is characterized in that the driving wheel is erected with described
Rotational installation between plate is realized by the drive sprocket axle.
4. the carbon-free trolley as described in claim 1 based on cylindrical cam pair, which is characterized in that the weight is 1kg standard
Counterweight is equal with the diameter of the counterweight with the inscribe diameter of a circle to connect of locating rod side described in several.
5. the carbon-free trolley as described in claim 1 based on cylindrical cam pair, which is characterized in that the kinetic energy switching mechanism is also
Including top plate, screw rod, fixed plate；
Multiple circular holes passed through for the locating rod are offered on the top plate；The screw rod is fixedly mounted on the locating rod top
Portion is fixed between the top plate and the screw rod by lock nut；The fixed plate is fixedly mounted on the top plate.
6. the carbon-free trolley as claimed in claim 5 based on cylindrical cam pair, which is characterized in that the reel rotational installation
In the fixed plate.
7. the carbon-free trolley as claimed in claim 6 based on cylindrical cam pair, which is characterized in that the reel includes bull wheel
And steamboat, the bull wheel are rotatably installed in the fixed plate, the steamboat and the bull wheel are integrally formed and connect, and described small
The axle center of wheel is overlapped with the axle center of the bull wheel.
8. the carbon-free trolley as claimed in claim 7 based on cylindrical cam pair, which is characterized in that the reel with it is described solid
Rotational installation between fixed board realizes that the axle center of the embedded bearing is overlapped with the axle center of the bull wheel by embedded bearing.
9. the carbon-free trolley as claimed in claim 7 based on cylindrical cam pair, which is characterized in that one end of the cord and institute
It states weight to be connected, the other end of the cord around the steamboat and is wrapped on the bull wheel, is subsequently fastened to the active
On wheel shaft.
10. the carbon-free trolley as described in claim 1 based on cylindrical cam pair, which is characterized in that the carbon-free trolley is also wrapped
It includes:
Micro-adjusting mechanism, the micro-adjusting mechanism include differential bracket, differential debugger；The differential bracket is arranged close to described lead
To on the bottom plate of wheel side；The differential debugger is mounted on the differential bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910338599.2A CN109939449B (en) | 2019-04-25 | 2019-04-25 | Carbon-free trolley based on cylindrical cam pair |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910338599.2A CN109939449B (en) | 2019-04-25 | 2019-04-25 | Carbon-free trolley based on cylindrical cam pair |
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| CN109939449A true CN109939449A (en) | 2019-06-28 |
| CN109939449B CN109939449B (en) | 2024-05-28 |
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|---|---|---|---|---|
| CN103357181A (en) * | 2013-08-06 | 2013-10-23 | 苏州市职业大学 | Front wheel steering mechanism of steerable three-wheel carbon-free trolley driven through energy conversion |
| CN103638683A (en) * | 2013-11-04 | 2014-03-19 | 中国民航大学 | Trolley driven by gravitational potential energy and capable of walking along S-shaped route |
| CN204563597U (en) * | 2015-04-24 | 2015-08-19 | 长春理工大学 | 8 word track gravitional force carbon-free trolley |
| CN207270710U (en) * | 2017-09-27 | 2018-04-27 | 湖北工业大学 | Based on the adjustable walking figure of eight track carbon-free trolley of cylindrical cam mechanism |
| CN108404426A (en) * | 2018-03-28 | 2018-08-17 | 上海工程技术大学 | A kind of paths S carbon-free trolley |
| CN210251193U (en) * | 2019-04-25 | 2020-04-07 | 安徽建筑大学 | Carbon-free trolley based on cylindrical cam pair |
-
2019
- 2019-04-25 CN CN201910338599.2A patent/CN109939449B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357181A (en) * | 2013-08-06 | 2013-10-23 | 苏州市职业大学 | Front wheel steering mechanism of steerable three-wheel carbon-free trolley driven through energy conversion |
| CN103638683A (en) * | 2013-11-04 | 2014-03-19 | 中国民航大学 | Trolley driven by gravitational potential energy and capable of walking along S-shaped route |
| CN204563597U (en) * | 2015-04-24 | 2015-08-19 | 长春理工大学 | 8 word track gravitional force carbon-free trolley |
| CN207270710U (en) * | 2017-09-27 | 2018-04-27 | 湖北工业大学 | Based on the adjustable walking figure of eight track carbon-free trolley of cylindrical cam mechanism |
| CN108404426A (en) * | 2018-03-28 | 2018-08-17 | 上海工程技术大学 | A kind of paths S carbon-free trolley |
| CN210251193U (en) * | 2019-04-25 | 2020-04-07 | 安徽建筑大学 | Carbon-free trolley based on cylindrical cam pair |
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| CN109939449B (en) | 2024-05-28 |
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