CN203648069U - Carbon-free trolley capable of implementing appointed track - Google Patents
Carbon-free trolley capable of implementing appointed track Download PDFInfo
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- CN203648069U CN203648069U CN201320782261.4U CN201320782261U CN203648069U CN 203648069 U CN203648069 U CN 203648069U CN 201320782261 U CN201320782261 U CN 201320782261U CN 203648069 U CN203648069 U CN 203648069U
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- rocking bar
- connecting rod
- carbon
- rod
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Abstract
The utility model relates to a carbon-free trolley capable of implementing an appointed track. According to the carbon-free trolley capable of implementing the appointed track, a driving shaft and a front wheel are used for being connected with a carbon-free trolley body, and having control over the movement track of the carbon-free trolley body, a space four-bar mechanism is fixedly arranged on a base plate of the carbon-free trolley body, and comprises an adjustable crank, an adjustable connecting rod, an adjustable rocker and a sliding assembly, the driving shaft, the adjustable crank, the adjustable connecting rod, the adjustable rocker and the front wheel are connected in sequence, the adjustable connecting rod is arranged on the sliding assembly, the sliding assembly is fixed to the base plate, and movement of the front wheel is controlled by adjusting the position of connection among the adjustable crank, the adjustable connecting rod and the adjustable rocker. Compared with the prior art, the carbon-free trolley capable of implementing the appointed track has the advantages of being simple in structure, low in energy consumption, high in adjustment accuracy and the like.
Description
Technical field
The utility model relates to a kind of carbon-free dolly, especially relates to a kind of carbon-free dolly of realizing intended trajectory.
Background technology
Carbon-free dolly is a kind of energy that does not need consume fuel and battery storage, only relies on the mechanical potential generating in weight drop process to produce power and drive the dolly travelling, and makes exercise question as the appointment of university student's scientific and technical innovation contest in recent years.Making exercise question is generally and requires a given gravitional force, according to energy conversion principle, the mechanical device that design one can be converted to this gravitional force (if falling head is 500mm) mechanical energy and can be used to drive carriage walking, turns to, this dolly can automatically be avoided the barrier arranging on racing track in the time moving ahead.
Existing carbon-free dolly adopts sinusoidal steering mechanism conventionally, but certain structures complexity, processing difficulties, corresponding cost is also higher; Some degree of regulation is not very high, can not arrive the requirement that meets cycle and amplitude; Some mechanism is heavier, has not only increased the quality of dolly own, has also increased the loss of energy in motion process, makes it can not complete match.
Summary of the invention
The purpose of this utility model is exactly the carbon-free dolly that a kind of simple in structure, energy consumption is little, degree of regulation is high intended trajectory realized is provided in order to overcome the defect that above-mentioned prior art exists.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of carbon-free dolly of realizing intended trajectory, comprise driving shaft, front wheel carrier and front-wheel, described front-wheel is fixedly connected with front wheel carrier, between described driving shaft and front wheel carrier, be provided with three directional trim spatial four-bar mechanisms, three described directional trim spatial four-bar mechanisms are fixedly installed on the base plate of carbon-free dolly, comprise adjustable crank, adjustable connecting-rod, adjustable rocking bar and slide assemblies, described driving shaft, adjustable crank, adjustable connecting-rod, adjustable rocking bar, front wheel carrier connects successively, described adjustable connecting-rod is located on slide assemblies, described slide assemblies is fixed on base plate, by regulating adjustable crank, adjustable connecting-rod, link position between adjustable rocking bar, control the motion of front-wheel.
Described adjustable crank comprises crank body and location bearing, one end of described crank body is connected with driving shaft end face center superposition, the other end is provided with stroke groove, described location bearing is located in stroke groove, described crank body is connected with rolling pair form with adjustable connecting-rod by location bearing, by regulating the position of location bearing in stroke groove, can change the use length of adjustable crank.
Described adjustable connecting-rod comprises first connecting rod, second connecting rod and connector, described first connecting rod one end is provided with the sliding tray being connected with location bearing, the other end is provided with screwed hole, described second connecting rod one end is provided with through hole, the other end is provided with the groove for connecting adjustable rocking bar, described connector is connected between first connecting rod and second connecting rod, by adjusting connector, can change the use length of adjustable connecting-rod.
Described connector comprises adjusting bolt and spring, and described adjusting bolt connects respectively the screwed hole of first connecting rod and the through hole of second connecting rod, and described spring housing is located in adjusting bolt, and is stuck between first connecting rod and second connecting rod.
Described adjustable rocking bar comprises rocking bar body, rocking bar bearing and rocking bar trimming bolt, described rocking bar body is connected with front wheel carrier by bolt, described rocking bar bearing is located in the groove of second connecting rod, and fix by rocking bar trimming bolt, described rocking bar body is provided with the sliding tray being connected with rocking bar bearing, described rocking bar body is connected with rolling pair form with rocking bar bearing, by regulating the position of rocking bar bearing in groove, can change the pendulum angle of rocking bar body, thereby change front-wheel movement locus.
Described slide assemblies comprises the first slide rail, the second slide rail, the first slide block and the second slide block, the first described slide block is located on the first slide rail, the second described slide block is located on the second slide rail, described first connecting rod is fixedly installed on the first slide block, and described second connecting rod is located on the second slide rail.
Compared with prior art, the utlity model has following advantage:
One, simple in structure: easy to process, cost is low, easy to operate;
Two, energy consumption is little: mechanism all adopts rolling friction, and part used is few, and kinematic pair is few, therefore energy consumption is little;
Three, precision is high: all adjustings are all bolt of serration fine settings, and degree of regulation is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of three directional trim spatial four-bar mechanisms of the present utility model;
Fig. 2 is structural representation of the present utility model:
Fig. 3 is side view of the present utility model;
Fig. 4 is C-C generalized section in Fig. 2.
In figure, 1, driving shaft; 2, crank body; 3, location bearing; 4, first connecting rod; 5, second connecting rod; 6, adjusting bolt; 7, the first slide block: 8, the first slide rail: 9, the second slide block; 10, the second slide rail: 11, rocking bar body; 12, rocking bar bearing; 13, rocking bar trimming bolt; 14, front-wheel; 15, front wheel supporting frame; 16, vehicle body bracing frame; 17, trailing wheel; 18, pulley; 19, pulley spindle; 20, pulley yoke; 21, counterweight; 22, front axle; 23, cushion block; 24, front wheel carrier; 25, gear wheel; 26, small bearing bracket; 27, roll; 28, pinion; 29, hind axle; 30, large bearing block; 31, base plate.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.The present embodiment is implemented as prerequisite take technical solutions of the utility model, provided detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
As Figure 1-Figure 4, a kind of carbon-free dolly of realizing intended trajectory, the trailing wheel 17 of carbon-free dolly is driving wheel, front-wheel 14 is directive wheel.The track of dolly is determined by the characteristics of motion of directive wheel.By regulating crank length, length of connecting rod, rocking bar angle, can change the directive wheel characteristics of motion, make dolly realize designated movement track.The attainable intended trajectory of carbon-free dolly of the present utility model comprises sine, " s " shape, the figure of eight of standard, various shapes such as " being similar to the plum blossom-shaped of 8-shaped ".
Carbon-free dolly of the present utility model comprises the common components such as driving shaft 1, front wheel carrier 24 and front-wheel 14, and described front-wheel 14 is fixedly connected with front wheel carrier 24, is provided with three directional trim spatial four-bar mechanisms between described driving shaft 1 and front wheel carrier 24.By regulating three directional trim spatial four-bar mechanisms, can change the amplitude of little wheel paths, the parameters such as cycle.Be passed to three directional trim spatial four-bar mechanisms by the mechanical potential generating in motor or counterweight 21 dropping process by driving shaft and control the dolly front-wheel characteristics of motion.The control route of moving of car rule is;
Power input → crank length is adjustable → and length of connecting rod is adjustable → and rocking bar angle is adjustable → and realize and specify front-wheel motion.
The spatial four-bar mechanism of this carbon-free dolly is fixedly installed on the base plate 31 of carbon-free dolly, comprise adjustable crank, adjustable connecting-rod, adjustable rocking bar and slide assemblies, described driving shaft 1, adjustable crank, adjustable connecting-rod, adjustable rocking bar, front wheel carrier 24 connect successively, described adjustable connecting-rod is located on slide assemblies, described slide assemblies is fixed on base plate 31, by regulating the link position between adjustable crank, adjustable connecting-rod, adjustable rocking bar, control the motion of front-wheel 14.
Described adjustable crank comprises crank body 2 and location bearing 3, one end of described crank body 2 is connected with driving shaft 1 end face center superposition, the other end is provided with stroke groove, described location bearing 3 is located in stroke groove, described crank body 2 is connected with rolling pair form with adjustable connecting-rod by location bearing 3, by regulating the position of location bearing 3 in stroke groove, can change the use length of adjustable crank.In the time that crank lengthens, circular motion radius increases, and before and after connecting rod, stroke increases; In the time that crank shortens, circular motion radius reduces, and before and after connecting rod, stroke reduces.
Described adjustable connecting-rod comprises first connecting rod 4, second connecting rod 5 and connector, described first connecting rod 4 one end are provided with the sliding tray being connected with location bearing 3, the other end is provided with screwed hole, described second connecting rod 5 one end are provided with through hole, the other end is provided with the groove for connecting adjustable rocking bar, described connector is connected between first connecting rod 4 and second connecting rod 5, by adjusting connector, can change the use length of adjustable connecting-rod.Described connector comprises adjusting bolt 6 and spring, and described adjusting bolt 6 connects respectively the screwed hole of first connecting rod 4 and the through hole of second connecting rod 5, and described spring housing is located in adjusting bolt, and is stuck between first connecting rod 4 and second connecting rod 5.In the time tightening the adjusting bolt 6 connecting on connecting rod, two connecting rod Distance Shorteneds; In the time unscrewing adjusting bolt 6, connecting rod extends; In the time that trimming bolt makes length of connecting rod moderate, little wheel paths is symmetrical, and operation is tending towards straight line.
Described adjustable rocking bar comprises rocking bar body 11, rocking bar bearing 12 and rocking bar trimming bolt 13, described rocking bar body 11 is connected with front wheel carrier 24 by bolt, described rocking bar bearing 12 is located in the groove of second connecting rod 5, and fixing by rocking bar trimming bolt 13, described rocking bar body 11 is provided with the sliding tray being connected with rocking bar bearing 12, described rocking bar body 11 is connected with rolling pair form with rocking bar bearing 12, by regulating the position of rocking bar bearing 12 in groove, can change the pendulum angle of rocking bar body 11, thereby change front-wheel movement locus, amplitude and cycle can change arbitrarily within the specific limits.In the time of the outermost of rocking bar bearing 12 in second connecting rod 5 grooves, rocking bar pendulum angle minimum, the amplitude minimum of front wheel shimmy, cycle maximum; In the time of the inside of rocking bar bearing 12 at groove, the amplitude maximum of front wheel shimmy, cycle minimum.
Described slide assemblies comprises the first slide rail 8, the second slide rail 10, the first slide block 7 and the second slide block 9, the first described slide block 7 is located on the first slide rail 8, the second described slide block 9 is located on the second slide rail 10, described first connecting rod 4 is fixedly installed on the first slide block 7 by nut, and described second connecting rod 5 is located on the second slide rail 10.The effect of the first slide rail 8 is that the first slide block 7 can be slided thereon, to guarantee the fine setting of adjustable connecting-rod length; The effect of the second slide rail 10 is to slide before and after in the second slide block 9, allows the reciprocating motion that mechanism can execution cycle property.
Said mechanism can adopt metal or nonmetallic materials.
Claims (6)
1. can realize the carbon-free dolly of intended trajectory for one kind, comprise driving shaft, front wheel carrier and front-wheel, described front-wheel is fixedly connected with front wheel carrier, it is characterized in that, between described driving shaft and front wheel carrier, be provided with three directional trim spatial four-bar mechanisms, three described directional trim spatial four-bar mechanisms are fixedly installed on the base plate (31) of carbon-free dolly, comprise adjustable crank, adjustable connecting-rod, adjustable rocking bar and slide assemblies, described driving shaft (1), adjustable crank, adjustable connecting-rod, adjustable rocking bar, front wheel carrier (24) connects successively, described adjustable connecting-rod is located on slide assemblies, described slide assemblies is fixed on base plate (31), by regulating adjustable crank, adjustable connecting-rod, link position between adjustable rocking bar, control the motion of front-wheel (14).
2. a kind of carbon-free dolly of realizing intended trajectory according to claim 1, it is characterized in that, described adjustable crank comprises crank body (2) and location bearing (3), one end of described crank body (2) is connected with driving shaft (1) end face center superposition, the other end is provided with stroke groove, described location bearing (3) is located in stroke groove, and described crank body (2) is connected with rolling pair form with adjustable connecting-rod by location bearing (3).
3. a kind of carbon-free dolly of realizing intended trajectory according to claim 2, it is characterized in that, described adjustable connecting-rod comprises first connecting rod (4), second connecting rod (5) and connector, described first connecting rod (4) one end is provided with the sliding tray being connected with location bearing (3), the other end is provided with screwed hole, described second connecting rod (5) one end is provided with through hole, the other end is provided with the groove for connecting adjustable rocking bar, and described connector is connected between first connecting rod (4) and second connecting rod (5).
4. a kind of carbon-free dolly of realizing intended trajectory according to claim 3, it is characterized in that, described connector comprises adjusting bolt (6) and spring, described adjusting bolt (6) connects respectively the screwed hole of first connecting rod (4) and the through hole of second connecting rod (5), it is upper that described spring housing is located at adjusting bolt (6), and be stuck between first connecting rod (4) and second connecting rod (5).
5. a kind of carbon-free dolly of realizing intended trajectory according to claim 3, it is characterized in that, described adjustable rocking bar comprises rocking bar body (11), rocking bar bearing (12) and rocking bar trimming bolt (13), described rocking bar body (11) is connected with front wheel carrier (24) by bolt, described rocking bar bearing (12) is located in the groove of second connecting rod (5), and fixing by rocking bar trimming bolt (13), described rocking bar body (11) is provided with the sliding tray being connected with rocking bar bearing (12), described rocking bar body (11) is connected with rolling pair form with rocking bar bearing (12).
6. a kind of carbon-free dolly of realizing intended trajectory according to claim 3, it is characterized in that, described slide assemblies comprises the first slide rail (8), the second slide rail (10), the first slide block (7) and the second slide block (9), described the first slide block (7) is located on the first slide rail (8), described the second slide block (9) is located on the second slide rail (10), it is upper that described first connecting rod is fixedly installed on the first slide block (7), and described second connecting rod (5) is located on the second slide rail (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320782261.4U CN203648069U (en) | 2013-11-27 | 2013-11-27 | Carbon-free trolley capable of implementing appointed track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320782261.4U CN203648069U (en) | 2013-11-27 | 2013-11-27 | Carbon-free trolley capable of implementing appointed track |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203648069U true CN203648069U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320782261.4U Expired - Fee Related CN203648069U (en) | 2013-11-27 | 2013-11-27 | Carbon-free trolley capable of implementing appointed track |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104200736A (en) * | 2014-07-30 | 2014-12-10 | 沈阳理工大学 | Teaching demonstration experiment table |
| CN107670296A (en) * | 2017-09-15 | 2018-02-09 | 山东大学 | A kind of 8 word carbon-free trolleys based on gravitional force driving |
| CN111084995A (en) * | 2020-01-08 | 2020-05-01 | 上海电机学院 | Annular S-track carbon-free trolley |
-
2013
- 2013-11-27 CN CN201320782261.4U patent/CN203648069U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104200736A (en) * | 2014-07-30 | 2014-12-10 | 沈阳理工大学 | Teaching demonstration experiment table |
| CN107670296A (en) * | 2017-09-15 | 2018-02-09 | 山东大学 | A kind of 8 word carbon-free trolleys based on gravitional force driving |
| CN111084995A (en) * | 2020-01-08 | 2020-05-01 | 上海电机学院 | Annular S-track carbon-free trolley |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140618 Termination date: 20171127 |