CN209519345U - A kind of carbon-free trolley around double 8 words track traveling by gravitional force driving - Google Patents

Abstract

The utility model relates to a kind of carbon-free trolleys around double 8 words track traveling by gravitional force driving, comprising: vehicle frame, the power conversion mechanism being arranged on vehicle frame, the transmission device being arranged on vehicle frame and the steering mechanism being arranged on vehicle frame, transmission device includes vertical transmission device and horizontal transmission device, and steering mechanism includes: crank and rocker mechanism, partial gear group and deflecting roller.The utility model realizes the effect of three-level amplification transmission ratio, when making weight-drop same distance, rear-wheel can be rotated to more circle numbers, it is capable of the range of deflection of large range of control deflecting roller, sweep is provided with slot, the quick fixation of different location may be implemented by bolt, the different size of double 8 word tracks of the utility model traveling, stable drive, Design of Steering Mechanism is exquisite reliable, there is preferable application prospect.

Description

A kind of carbon-free trolley around double 8 words track traveling by gravitional force driving

Technical field

The utility model relates to a kind of carbon-free trolley of adjustable track, it is specifically a kind of by gravitional force driving around double The carbon-free trolley of 8 word tracks traveling.

Background technique

Energy problem is worldwide problem at present, and the design for probing into carbon-free trolley facilitates university student and cultivates energy conservation The consciousness of environmental protection, the design and manufacture of carbon-free trolley can be with the Machine Designs of training student and processing technical ability.Carbon-free trolley is set Need to consider the trans-utilization of weight gravitional force during meter, it is a set of it is necessary to design in order to make trolley walk out farther distance Increase the device of transmission ratio.One timing of power, transmission ratio is bigger, and trolley starting is more difficult to, or even can not be exercised；If transmission ratio mistake It is small, then will lead to car traveling accelerate it is too fast, stability is poor, and trolley operating range is too short, underuses potential energy.In addition, turning On the one hand a part critically important to mechanism and trolley will design the mechanism that can walk double 8 word tracks, on the other hand, car Have a variation to a certain extent around the distance of pile, therefore small wheel paths have certain uncertainty, and design can thus Meet the requirement of different tracks with micro-adjusting mechanism.Traditional carbon-free trolley driving trace is single 8 words, such as patent " walk by 8 words That there are steering mechanism is relatively simple for carbon-free trolley " (patent No. CN 206652241U), can not travel out double 8 words track, and The problems such as car operating range is closer.

Utility model content

It is insufficient to solve the prior art, the utility model provide it is a kind of by gravitional force driving around double 8 words track row The carbon-free trolley sailed, the utility model can be realized the effect of three-level amplification transmission ratio, when making weight-drop same distance, rear-wheel It can rotate to more circle numbers.Crank length and rocking bar length are adjustable in crank and rocker mechanism, can be large range of The range of deflection of deflecting roller is controlled, realizes the different size of double 8 word tracks of traveling.Sweep is provided with slot, can be real by bolt The quick fixation of existing different location.The different size of double 8 word tracks of the utility model traveling, stable drive, Design of Steering Mechanism It is exquisite reliable, there is preferable application prospect.

What the purpose of this utility model was achieved through the following technical solutions:

A kind of carbon-free trolley around double 8 words track traveling by gravitional force driving, comprising: vehicle frame is arranged in the vehicle Power conversion mechanism, the transmission device being arranged on the vehicle frame on frame and the steering mechanism being arranged on the vehicle frame, institute Stating transmission device includes vertical transmission device and horizontal transmission device, and the steering mechanism includes: crank and rocker mechanism, not exclusively Gear set and deflecting roller, the power conversion mechanism are connect with the vertical drive, and the vertical transmission device passes The dynamic connection horizontal transmission device, the horizontal transmission device transmission connection partial gear group, the crank rocker Mechanism is rotatablely connected the deflecting roller, the partial gear group transmission connection crank and rocker mechanism, the incomplete tooth The rotation of wheel group, drives the crank and rocker mechanism to swing, and the crank and rocker mechanism position change drives the inclined of the deflecting roller Gyration and range of deflection change.

Based on the above-mentioned technical proposal, gravitional force is converted to kinetic energy by the power conversion mechanism, to be supplied to entire Trolley energy, the transmission device realize the acceleration three times of trolley by the ratio between radius ratio and the number of gears, and realizing will be perpendicular The movement of straight plane is converted to the movement of horizontal direction, and the steering mechanism realizes the rotation of trolley, and passes through micro-adjusting mechanism reality Now to the fine tuning of wheel deflection angle and range of deflection.

Further, the power conversion mechanism includes weight block and the first rope, and the weight block is fixedly connected described The gravitional force of the weight block is converted to the dynamic of the transmission device by one end of the first rope, the power conversion mechanism Energy.

Based on the above-mentioned technical proposal, the weight block decline, the gravitional force provided are converted to the kinetic energy of transmission device.

Further, the vertical transmission device includes: wire spool, the second rope, gear roll, gear wheel, small tooth Wheel, hind axle, rear-wheel and horizontal conical gear, the wire spool include: small winding slot and big winding slot, the small winding slot and The big winding slot is coaxial, and the other end of first rope connects the small winding slot, and the is wound on the big winding slot One end of two ropes, the other end connection gear roll middle part of second rope, the setting of gear roll one end are big Gear, the gear wheel engage the pinion gear, and the pinion gear is arranged on hind axle, the rear-wheel axis connection rear-wheel, institute Stating the decline of weight block described in the horizontal conical gear of other end setting of gear roll drives the wire spool to rotate, described in drive Big winding slot rotation, drives second rope, the gear roll is pulled to rotate, while driving the gear wheel and described Horizontal conical gear rotation, the bull gear drive drive the pinion rotation, drive rear wheel, the horizontal circular cone tooth Movement in perpendicular is changed into the movement in the horizontal plane of the horizontal transmission device by wheel.

Based on the above-mentioned technical proposal, the weight block decline pulls the first rope, drives small winding slot to rotate, to drive Wire spool rotation is further driven to big winding slot rotation to pull the second rope and further pulls on bull gear drive, complete Accelerate (transmission ratio is equal to the diameter of big winding slot divided by the diameter of small winding slot) at first time, then bull gear drive drives small Gear rotation, is further driven to rear wheel, and completing second of acceleration, (transmission ratio is equal to the diameter of gear wheel divided by pinion gear Diameter).

Further, the horizontal transmission device includes vertical conical gear and the first vertical axes, the vertical circular cone tooth Wheel engages the horizontal conical gear, and the vertical conical gear is arranged in first vertical axes one end.

Based on the above-mentioned technical proposal, power, i.e., will be in perpendicular from horizontal Bevel Gear Drive to vertical conical gear Movement become the movement in horizontal plane, while realize third time accelerate, (transmission ratio be equal to horizontal conical gear the number of teeth remove With the number of teeth of vertical conical gear).

Further, the partial gear group includes partial gear, and the partial gear is arranged described first The other end of vertical axes, the partial gear engage complete gear, and one end of the second vertical axes is arranged in the complete gear, Crank and rocker mechanism described in the second vertical axis connection.

Based on the above-mentioned technical proposal, the first vertical axes rotation drives partial gear rotation, thus intermittent band Complete gear rotation is moved, the rotation of the second vertical axes is further driven to, is further driven to crank disc rotation.

Further, the crank and rocker mechanism further includes crank disc, connecting rod and rocking bar, and the crank disc is arranged described The other end of second vertical axes, the crank disc lower end is rotatablely connected one end of the connecting rod by the first change bolt, described First movable sliding is set on crank disc, described first, which changes bolt, is rotatablely connected first movable sliding, the connecting rod it is another One end is rotatablely connected one end of the rocking bar by the second change bolt, opens up the second movable sliding on the connecting rod, and described the Two, which change bolt, is rotatablely connected second movable sliding.

Further, the steering mechanism further includes wheel carrier, and the other end of the rocking bar is fixedly connected with the wheel carrier, described Wheel carrier lower end connects the deflecting roller.

Based on the above-mentioned technical proposal, the crank disc rotate driving connecting rod does plane motion, and connecting rod further pushes rocking bar, To drive deflecting roller to generate swing.Change the length of crank disc actual participation work by changing the position of the first change bolt Degree changes the length of the actual participation work of connecting rod by changing the position of the second change bolt, two-part by changing this Length can change the deflection angle and range of deflection of deflecting roller.

Further, the wheel carrier is fixedly connected with sweep by fixinig plate.

Further, gear roll left and right ends are fixed on the sweep by the first support, the rear-wheel Axis left and right ends are fixed on the sweep by the second support, open up support fixing groove on the sweep, and described first Seat and second support are bolted on the inside of the support fixing groove.

Based on the above-mentioned technical proposal, the position of support can arbitrarily be adjusted in support fixing groove.

Further, the power conversion mechanism, the transmission device and the partial gear group are arranged in the vehicle The lower section of the sweep is arranged in the top of plate, the crank and rocker mechanism.

The utility model has the beneficial effects that:

1. the commutation via bevel gear acts on, the movement in perpendicular is transmitted in horizontal plane, i.e., by power transmission Partial gear group is given, after the parameter for designing partial gear group, cooperates crank and rocker mechanism, can be achieved with front-wheel intermittence , regular swing, so that trolley be made to walk out expected track.In addition, on crank disc and it is designed with movable sliding on connecting rod, First is adjusted respectively changes position and second change bolt second work on connecting rod of the bolt in the first sliding groove on crank disc Position in dynamic sliding slot, can adjust the length of crank disc and connecting rod respectively.Change the length of crank, thus it is possible to vary deflecting roller can The maximum angle range of swing；Change length of connecting rod, thus it is possible to vary deflecting roller initial angle, and then change the swingable angle of deflecting roller The range of degree just makes car be adapted to the distance of different position limiting piles.And partial gear group is set above sweep, it is bent Handle disk, connecting rod, the crank and rocker mechanism that rocking bar is constituted not only is able to achieve turning function below sweep, but also can make structure more Stablize.

2. having used the wire spool drive gear wheel and pinion gear being made of big winding slot, small winding slot, bevel gear of commutating Three groups of cooperating syringes of group make the device that rear wheel circle number can be made to increase more times, can generate biggish transmission ratio.Because passing through Three-level is driven bigger after doubling, very big power is needed to drive when trolley just starts walking, so equipped with drive gear wheel There is conical section on coiling gear shaft, the second rope starts to wind from the smallest part of radius to radius the best part.Work as car When starting, the second rope is located at the maximum place of radius, can provide biggish torque, car is easier to start up；Work as car After starting running, the second rope turns to the lesser position of radius, can be driven with lesser torque, to make rear-wheel can be with The more circle numbers of rotation, have saved the energy.

Detailed description of the invention

The specific structure of the utility model is provided by following embodiment and its attached drawing.

Fig. 1 is the whole of the carbon-free trolley around double 8 words track traveling provided by the utility model by gravitional force driving Body structural schematic diagram.

Fig. 2 is the whole of the carbon-free trolley around double 8 words track traveling provided by the utility model by gravitional force driving Body structural schematic diagram.

Fig. 3 is the whole of the carbon-free trolley around double 8 words track traveling provided by the utility model by gravitional force driving Body structural schematic diagram.

Fig. 1-3, parts list represented by the reference numerals are as follows:

1, vehicle frame, 2, power conversion mechanism, the 21, first rope, 22, weight, 3, transmission device, 31, vertical transmission device, 311, wire spool, 3111, small winding slot, 3112, big winding slot, the 312, second rope, 313, gear roll, 314, canine tooth Wheel, 315, pinion gear, 316, hind axle, 317, rear-wheel, 318, horizontal conical gear, 32, horizontal transmission device, 321, vertical circle Bevel gear, the 322, first vertical axes, 4, steering mechanism, 41, crank and rocker mechanism, 411, crank disc, 412, connecting rod, 413, shake Bar, 414, first changes bolt, and 415, second changes bolt, 42, partial gear group, 421, partial gear, 422, complete tooth Wheel, the 423, second vertical axes, 43, wheel carrier, 44, deflecting roller, 5, sweep, 6, fixinig plate, 7, support fixing groove, the 8, first support, 9, the second support.

Specific embodiment

The principles of the present invention and feature are described below in conjunction with attached drawing, illustrated embodiment is served only for explaining this reality With novel, it is not intended to limit the scope of the utility model.

Embodiment

As shown in Figure 1-3, by the carbon-free trolley around double 8 words track traveling of gravitional force driving, which is characterized in that packet It includes: vehicle frame 1, the power conversion mechanism 2 being arranged on the vehicle frame 1, the transmission device 3 being arranged on the vehicle frame 1 and setting Steering mechanism 4 on the vehicle frame 1, the transmission device 3 include vertical transmission device 31 and horizontal transmission device 32, institute Stating steering mechanism 4 includes: crank and rocker mechanism 41, partial gear group 42 and deflecting roller 44, the power conversion mechanism 2 and institute It states vertical transmission device 31 to be sequentially connected, the vertical transmission device 31 is sequentially connected the horizontal transmission device 32, the water Flat transmission device 32 is sequentially connected the partial gear group 42, and the partial gear group 42 is sequentially connected the crank rocker Mechanism 41, the crank and rocker mechanism are rotatablely connected the deflecting roller 44, and the partial gear group 42 rotates, and drive the song Handle rocker device 41 is swung, and 41 position change of crank and rocker mechanism drives deflection angle and the deflection of the deflecting roller 44 Range changes.

It is filled it is understood that the movement in perpendicular is changed into the horizontal conveyor by the vertical transmission device 31 Set the movement in 32 horizontal plane.

Further, as shown in Figs. 1-2, weight block 22 is arranged in the power conversion mechanism 2, and the weight block 22 is fixed to be connected One end of first rope 21 is connect, the gravitional force of the weight block 22 is converted to the biography by the power conversion mechanism 2 The kinetic energy of dynamic device 3.

Further, the vertical transmission device 31 include: wire spool 311, the second rope 312, gear roll 313, Gear wheel 314, pinion gear 315, hind axle 316, rear-wheel 317 and horizontal conical gear 318, the wire spool 311 includes: small Winding slot 3111 and big winding slot 3112, the small winding slot 3111 and the big winding slot 3112 are coaxial, first rope 21 other end connects the small winding slot 3111, and one end of the second rope 312, institute are wound on the big winding slot 3112 313 middle part of other end connection gear roll of the second rope 312 is stated, gear wheel is arranged in described 313 one end of gear roll 314, the gear wheel 314 engages the pinion gear 315, and the pinion gear 315 is arranged on hind axle 316, the hind axle 22 descent tape of weight block described in horizontal conical gear 318 is arranged in 316 connection rear-wheels 317, the other end of the gear roll 313 It moves the wire spool 311 to rotate, drives the big winding slot 3112 to rotate, drive second rope 312, pull the gear Roll 313 rotates, while the gear wheel 314 and the horizontal conical gear 318 being driven to rotate, 314 turns of the gear wheel It is dynamic that the pinion gear 315 is driven to rotate, drive rear-wheel 317 to rotate, the horizontal conical gear 318 is by the movement in perpendicular The movement being changed into the horizontal plane of the horizontal transmission device 32.

As can be seen that second support 9 is arranged at the middle part of the hind axle 316, second support 9 is located at described One end of pinion gear 315.

It is understood that rope support is arranged in the vehicle frame 1, the wire spool 311 is fixed on rope support by rope support support, The rope support is fixed on the sweep 5 by three rope support bars, the height of the rope support bar and the weight 22 and described the The operating range of one rope 21 matches, and the size in gap and the weight 22 between three rope support bars matches.

It is understood that being set as taper in the middle part of the gear roll 313.

It is understood that opening up groove body on the sweep 5, the gear wheel 314 penetrates through the groove body.

Further, the horizontal transmission device 32 includes vertical conical gear 321, and the vertical conical gear 321 is nibbled The horizontal conical gear 318 is closed, the vertical conical gear 321 is arranged in 322 one end of the first vertical axes.

It is understood that first vertical axes 322 are fixed on the sweep 5 by fixinig plate.

Further, the partial gear group 42 includes partial gear 421, and the setting of partial gear 421 exists The other end of first vertical axes 322, the partial gear 421 engage complete gear 422, and the complete gear 422 is set It sets in one end of the second vertical axes 423, second vertical axes 423 connect the crank and rocker mechanism 41.

It is understood that first vertical axes 322 are fixed on the sweep 5 by fixinig plate, the fixinig plate Positioned at the lower end of the sweep 5, the partial gear group 42 and the horizontal conical gear 318 are located at the upper of the sweep 5 End.

Further, as shown in figure 3, the crank and rocker mechanism 41 includes crank disc 411, connecting rod 412 and rocking bar 413, The other end of second vertical axes 423 is arranged in the crank disc 411, and 411 lower end of crank disc changes bolt by first One end of the 414 rotation connection connecting rods 412, is arranged the first movable sliding on the crank disc 411, and described first changes Bolt 414 is rotatablely connected first movable sliding, and the other end of the connecting rod 412 changes bolt 415 by second and is rotatablely connected institute The one end for stating rocking bar 413, opens up the second movable sliding on the connecting rod 412, and the second change bolt 415 is rotatablely connected described Second movable sliding.

Further, the steering mechanism 4 further includes wheel carrier 43, and the other end of the rocking bar 413 is fixedly connected with the wheel Frame 43,43 lower end of wheel carrier connect the deflecting roller 44.Described first, which changes bolt 414, changes position, changes the crank disc 411 actual participation active length, described second changes the position change of bolt 415, changes the actual participation work of the connecting rod 413 Make length, by changing this two-part length, changes the deflection angle and range of deflection of institute's deflecting roller 44.

It is understood that the actual participation active length of the crank disc 411 refers to, first changes bolt 414 described in The length at 411 center of crank disc, the actual participation active length of the connecting rod 413 refer to that described first changes bolt 414 and described Second changes the distance between bolt 415.

Further, the wheel carrier 414 is fixedly connected with sweep 5 by fixinig plate 6.

It is understood that the fixinig plate is located at the top of the sweep 5, the wheel carrier 414 is located at the sweep 5 Lower end.

Further, 313 left and right ends of gear roll are fixed on the sweep 5 by the first support 8, described 316 left and right ends of hind axle are fixed on the sweep 5 by the second support 9, open up support fixing groove 7 on the sweep 5, First support 8 and second support 9 are bolted on the inside of the support fixing groove 7.

Further, the power conversion mechanism 2, the transmission device 3 and the partial gear group 42 are arranged in institute The top of sweep 5 is stated, the lower section of the sweep 5 is arranged in the crank and rocker mechanism 41.

Working principle: it firstly, weight 22 falls from the gap that three rope support bars surround, is entangled in small winding slot 3111 The first rope 21, pull wire spool 311 rotate, wire spool 311 rotation again the second rope of stretchy 312, due to the second rope 312 other ends are entangled on the gear roll 313 with conical section, so gear roll 313 starts turning, gear roll Fixed gear wheel 314 starts turning on 313, is engaged by gear, and pinion gear 315 is driven to move, since pinion gear 315 is solid It is connected on hind axle 316, so rear-wheel 317 can be driven to move, trolley is made to start to walk.When gear roll 313 moves When, the horizontal conical gear 318 of the horizontal setting on gear roll 313 also follows rotation, is engaged by gear, drives perpendicular (this process, which realizes, is changed into the movement on vertical direction in horizontal direction for the movement of vertical conical gear 321 directly disposed Movement).At this point, the first vertical axes 322 being connected with vertical conical gear 321 also setting in motion, it is vertical just to will drive first Steering partial gear 421 on 322 axis of axis moves, and is engaged by gear, and complete gear 422 is made to generate intermittent, regularity Movement.And passes through the second vertical axes 423, this characteristics of motion is passed to the crank disc 411 at vehicle bottom, connecting rod 412 and crank After disk 411 changes the connection of bolt 414 by rotatable first, (effect of bolt is to make crank disc 411 and connecting rod 412 can only be around bolt Do plane motion, when crank disc 411 rotates, even 412 bars do plane motion for driving, this movement be it is regular, according to crank The variation of angle change that disk 411 turns over and rule), crank disc 411 rotates, and drive link 412 does plane motion, connecting rod 412 It is connect with rocking bar 413 also by rotatable second change bolt 415, rocking bar 413 is pushed, since rocking bar 413 and wheel carrier 43 are fixed Together, so deflecting roller 44 is made to generate swing, car direction of advance is controlled.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (10)

1. a kind of carbon-free trolley around double 8 words track traveling by gravitional force driving characterized by comprising vehicle frame (1), Transmission device (3) and setting in the power conversion mechanism (2), setting on the vehicle frame (1) on the vehicle frame (1) is arranged to exist Steering mechanism (4) on the vehicle frame (1), the transmission device (3) include vertical transmission device (31) and horizontal transmission device (32), the steering mechanism (4) includes: crank and rocker mechanism (41), partial gear group (42) and deflecting roller (44), described dynamic Power switching mechanism (2) and the vertical transmission device (31) are sequentially connected, described in vertical transmission device (31) transmission connection Horizontal transmission device (32), horizontal transmission device (32) transmission connection partial gear group (42) are described incomplete Gear set (42) the transmission connection crank and rocker mechanism (41), the crank and rocker mechanism (41) are rotatablely connected the deflecting roller (44), partial gear group (42) rotation, drives the crank and rocker mechanism (41) to swing, the crank and rocker mechanism (41) position change drives the deflection angle of the deflecting roller (44) and range of deflection to change.

2. according to claim 1 by the carbon-free trolley around double 8 words track traveling of gravitional force driving, which is characterized in that The power conversion mechanism (2) includes weight block (22) and the first rope (21), and the weight block (22) is fixedly connected with described The gravitional force of the weight block (22) is converted to the transmission by one end of one rope (21), the power conversion mechanism (2) The kinetic energy of device (3).

3. according to claim 2 by the carbon-free trolley around double 8 words track traveling of gravitional force driving, which is characterized in that The vertical transmission device (31) includes: wire spool (311), the second rope (312), gear roll (313), gear wheel (314), pinion gear (315), hind axle (316), rear-wheel (317) and horizontal conical gear (318), wire spool (311) packet Small winding slot (3111) and big winding slot (3112) are included, the small winding slot (3111) and the big winding slot (3112) are coaxial, The other end of first rope (21) connects the small winding slot (3111), on the big winding slot (3112) described in winding The other end of one end of the second rope (312), second rope (312) connects in the middle part of the gear roll (313), described The gear wheel (314) is arranged in gear roll (313) one end, and the gear wheel (314) engages the pinion gear (315), institute It states pinion gear (315) to be arranged on the hind axle (316), the hind axle (316) connects the rear-wheel (317), the tooth The horizontal conical gear (318) is arranged in the other end for taking turns roll (313).

4. according to claim 3 by the carbon-free trolley around double 8 words track traveling of gravitional force driving, which is characterized in that The horizontal transmission device (32) includes vertical conical gear (321) and the first vertical axes (322), the vertical conical gear (321) the horizontal conical gear (318) is engaged, the vertical conical gear (321) is arranged in first vertical axes (322) One end.

5. according to claim 4 by the carbon-free trolley around double 8 words track traveling of gravitional force driving, which is characterized in that The partial gear group (42) includes partial gear (421) and complete gear (422), and the partial gear (421) sets The other end in first vertical axes (322) is set, the partial gear (421) engages the complete gear (422), described In one end of the second vertical axes (423), second vertical axes (423) connect the crank rocker for complete gear (422) setting Mechanism (41), the second vertical axes (423) rotation, drives the crank and rocker mechanism (41) to swing.

6. according to claim 5 by the carbon-free trolley around double 8 words track traveling of gravitional force driving, which is characterized in that The crank and rocker mechanism (41) includes crank disc (411), connecting rod (412) and rocking bar (413), crank disc (411) setting In the other end of second vertical axes (423), crank disc (411) lower end changes bolt (414) rotation connection by first The first movable sliding is arranged in one end of the connecting rod (412) on the crank disc (411), and described first, which changes bolt (414), turns Dynamic connection first movable sliding, the other end of the connecting rod (412) changes by second to be shaken described in bolt (415) rotation connection One end of bar (413) opens up the second movable sliding on the connecting rod (412), and described second, which changes bolt (415), is rotatablely connected institute State the second movable sliding.

7. according to claim 6 by the carbon-free trolley around double 8 words track traveling of gravitional force driving, which is characterized in that The steering mechanism (4) further includes wheel carrier (43), and the other end of the rocking bar (413) is fixedly connected the wheel carrier (43), described Wheel carrier (43) lower end connects the deflecting roller (44).

8. according to claim 7 by the carbon-free trolley around double 8 words track traveling of gravitional force driving, which is characterized in that The wheel carrier (43) is fixedly connected with sweep (5) by fixinig plate (6).

9. according to claim 8 by the carbon-free trolley around double 8 words track traveling of gravitional force driving, which is characterized in that Gear roll (313) left and right ends are fixed on the sweep (5) by the first support (8), the hind axle (316) Left and right ends are fixed on the sweep (5) by the second support (9), and support fixing groove (7) are opened up on the sweep (5), First support (8) and second support (9) are bolted on the inside of the support fixing groove (7).

10. according to claim 9 by the carbon-free trolley around double 8 words track traveling of gravitional force driving, which is characterized in that The power conversion mechanism (2), the transmission device (3) and the partial gear group (42) are arranged in the sweep (5) Top, lower section of crank and rocker mechanism (41) setting in the sweep (5).