CN209967676U

CN209967676U - Carbon-free power trolley

Info

Publication number: CN209967676U
Application number: CN201920688028.7U
Authority: CN
Inventors: 李�昊; 陈雪辉; 刘伟; 李靖宇; 张天鹏; 刘晗
Original assignee: Anhui Jianzhu University
Current assignee: Anhui Jianzhu University
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-01-21
Anticipated expiration: 2029-05-14

Abstract

The utility model discloses a carbon-free power trolley. The carbon-free power trolley comprises a running mechanism, a kinetic energy output mechanism and a steering mechanism. The utility model provides a carbon-free trolley, cam take place to rotate along with falling of weight, and the cam frame is under the effect of cam for reciprocating motion about the cam frame is taking the slide bar to do. The utility model discloses use the bolt to fix fly leaf and bottom plate, adopt differential head location. The bolt is unscrewed, the movable plate is moved, the threaded holes in the movable plate correspond to the threaded holes in different positions in the bottom plate, the position of the movable plate can be adjusted, the position of the front wheel frame on the bottom plate changes along with the movable plate, therefore, the position of the front wheel can be adjusted, and the accurate adjustment of the position of the front wheel can be realized under the accurate measurement of the differential head. Through detailed parameter calculation and accurate adjustment of the position of the front wheel, the left steering time and the right steering time of the front wheel can be kept consistent with the deflection angle, and the X axis of the trolley in the advancing process is ensured to have no deflection as much as possible.

Description

Carbon-free power trolley

Technical Field

The utility model relates to a dolly by oneself among the technological innovation technical field especially relates to a carbon-free power dolly.

Background

With the development of science and technology, the energy consumption is increasing day by day, and coal as nature gives a precious wealth to human beings, and plays a very important role in the development of the human society for a long time. However, due to the huge demand of people for coal, the coal resources are gradually reduced and nearly exhausted. With the improvement of energy conservation and environmental protection consciousness of people, the carbon-free idea is also promoted to the research subject by people. The idea of cleaner, more environmental protection, more energy saving and more efficient is also deep.

Under the background, carbon-free trolleys are gradually becoming mechanical innovation design-type competition in various regions and even nations. In the engineering training comprehensive ability competition, each team member is required to independently design and manufacture a self-propelled trolley with a direction control function, and all actions are required to be completed in the walking process. The energy required is converted from the gravitational potential energy of the falling given weight, and no other source of energy can be used.

The carbon-free trolley is a self-propelled trolley which is driven by gravitational potential energy and has a direction control function. The trolley is of a three-wheel structure and is provided with a steering control mechanism, and the steering control mechanism is provided with a quick replaceable structure so as to adapt to competition fields with obstacles at different intervals; the given gravitational potential energy is obtained by uniformly using a standard weight (phi 50 multiplied by 65mm, made of carbon steel) with the mass of 1Kg during competition, and the height which can be lowered by the weight is required to be 400 plus or minus 2 mm. The standard weight should always be carried by the dolly and the situation that the weight drops from the dolly is not allowed to occur.

Most of existing carbon-free trolleys are controlled in the moving process because proper measures are not taken for guiding the weights, so that the trolleys can easily shake in the falling process of the weights, large deviation between the trolleys and the original advancing route occurs, and even the advancing of the whole carbon-free trolleys can be interfered.

SUMMERY OF THE UTILITY MODEL

The utility model provides a carbon-free power trolley overcomes the problem that the route is easy to take place to deflect when the dolly that current carbon-free dolly exists is in the operation.

The utility model discloses a following technical scheme realizes: a carbon-free power trolley comprises a running mechanism, a kinetic energy output mechanism and a steering mechanism.

The running mechanism comprises a bottom plate, two fixing plates, a first rotating shaft, a driving wheel, a driven wheel, a front wheel frame, a bearing, a front wheel and an adjusting mechanism. And the two fixing plates are fixedly arranged on the bottom plate. The first rotating shaft movably penetrates through the two fixing plates. The driving wheel is fixedly arranged on the first rotating shaft. The driven wheel is rotatably connected with the first rotating shaft. The front wheel frame is vertically and rotatably arranged on the bottom plate, and the front wheel is movably arranged on the front wheel frame. The adjusting mechanism comprises a movable plate, a bolt and a differential head; a through groove is formed in the bottom plate, and the movable plate is installed in the through groove. The movable plate is provided with a first threaded hole matched with the bolt, and the bottom plate is provided with a second threaded hole corresponding to the first threaded hole in position. The bolt penetrates through the first threaded hole and one of the second threaded holes to fixedly connect the movable plate with the bottom plate. The differential head is arranged at the edge of the through groove and is positioned on the same side with the upper end face of the movable plate. The bottom plate is provided with a through hole for mounting the bearing, the bearing is fixedly sleeved on the front wheel frame, and the front wheel frame is in key connection with the bearing. The axle center of the driving wheel and the axle center of the driven wheel are coincided with the axle center of the first rotating shaft. And through holes for the first rotating shaft to pass through are formed in the two fixing plates. The through hole in one of the fixing plates is rotatably connected with the first rotating shaft through an embedded bearing, and the through hole and the first rotating shaft are positioned on the same side of the driving wheel; the through hole in the other fixing plate is rotatably connected with the first rotating shaft through an embedded bearing, the through hole and the first rotating shaft are located on the same side of the driven wheel, and the embedded bearing is fixed in the through hole.

The kinetic energy output mechanism comprises a transverse plate, a plurality of positioning rods, a top plate, a reel, a pulley, a balancing weight and a string; the transverse plates are fixedly arranged at the tops of the two fixing plates; the positioning rods are fixedly arranged on the transverse plate in an annular array; the top plate is fixedly arranged on the positioning rod, and the reel and the pulley are both arranged on the top plate; the balancing weight is movably arranged in an annular space defined by the positioning rods, one end of the thin rope is fixed on the balancing weight, and the other end of the thin rope bypasses the reel and the pulley to be fixedly connected with the rotating shaft I.

The steering mechanism comprises a pinion, a second rotating shaft, four sliding rods, a cam frame, a bull gear, a first bevel gear, a third rotating shaft, a second bevel gear, a cam and a connecting rod. The pinion is fixedly arranged on the first rotating shaft; the second rotating shaft is vertically and rotatably arranged on the fixed plate; the four sliding rods are respectively inserted in the rod holes correspondingly reserved on the two fixing plates in a sliding manner; the cam frame is arranged between the four sliding rods, and two ends of the cam frame are fixedly connected with the opposite ends of the four sliding rods respectively; the bull gear and the bevel gear I are both fixedly mounted on the second rotating shaft, and the bull gear is meshed with the pinion. And the third rotating shaft is vertically and rotatably arranged on the bottom plate. The second bevel gear and the cam are fixedly mounted on the third rotating shaft, the second bevel gear is vertically meshed with the first bevel gear, and the cam is located in the cam frame. And two ends of the connecting rod are respectively fixed on the cam frame and the front wheel frame.

As a further improvement of the scheme, the operating mechanism further comprises two flange nuts, the two flange nuts are respectively movably mounted at two ends of the first rotating shaft, and the first rotating shaft is in threaded connection with the flange nuts.

As a further improvement of the above solution, the running mechanism further comprises a stud and two nuts. The two ends of the stud bolt penetrate through the front wheel frame and are respectively in threaded connection with the two nuts, and the stud bolt is rotatably connected with the front wheel.

As a further improvement of the scheme, the kinetic energy output mechanism further comprises a plurality of threaded rods. Locating lever top and bottom all with threaded rod integrated into one piece is connected, the diaphragm with all seted up the confession on the roof the through-hole that the threaded rod passes through, the diaphragm with the roof with through nut fixed connection between the threaded rod.

As a further improvement of the scheme, the kinetic energy output mechanism further comprises a first fixing frame, a second fixing frame and a fixing rod. The first fixing frame and the second fixing frame are fixedly arranged on the top plate, the fixed rod is fixed on the second fixing frame, and the pulley is rotatably connected with the fixed rod. The reel includes a large wheel and a small wheel. The big wheel is rotatably installed on the first fixing frame, the small wheel is connected with the big wheel in an integrated forming mode, and the axle center of the small wheel coincides with the axle center of the big wheel.

As a further improvement of the scheme, a groove body for the connecting rod to insert is formed in the cam frame, a hole body for the connecting rod to pass through is formed in the front wheel frame, and the connecting rod is connected with the hole body through a jackscrew.

The utility model has the advantages that:

the utility model discloses a weight falls and drives rotation axis one and rotates for the pinion rotation in the rotation axis one drives the gear wheel and rotates, and the gear wheel drives two rotations of axle, drives two rotations of bevel gear by the epaxial bevel gear of axis of rotation two. The bevel gear II drives the rotating shaft III and the cam to rotate, and the cam strikes the cam frame in a reciprocating mode, so that the cam frame drives the sliding rod to do reciprocating motion. Under the action of the connecting rod, the cam frame drives the front wheel frame to rotate, so that the front wheel on the front wheel frame swings, and the trolley can walk out of an S-shaped path and avoid obstacles designed on a competition field.

The utility model provides a carbon-free trolley, cam rotate along with the falling of weight, and reciprocating motion about the cam frame is under the effect of cam. The movable plate and the bottom plate are fixed by bolts, and the differential head is adopted for positioning. The bolt is unscrewed, the movable plate is moved, the threaded holes in the movable plate correspond to the threaded holes in different positions in the bottom plate, the position of the movable plate can be adjusted, the position of the front wheel frame on the bottom plate changes along with the movable plate, therefore, the position of the front wheel can be adjusted, and the accurate adjustment of the position of the front wheel can be realized under the accurate measurement of the differential head. Through detailed parameter calculation and accurate adjustment of the position of the front wheel, the left steering time and the right steering time of the front wheel can be kept consistent with the deflection angle, and the X axis of the trolley in the advancing process is ensured to have no deflection as much as possible.

Drawings

Fig. 1 is a schematic perspective view of a carbon-free power cart according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of the carbonless cart of fig. 1 from another perspective.

Fig. 3 is a schematic perspective view of the carbonless cart of fig. 1 from another perspective.

Fig. 4 is a schematic front view of a part of the carbon-free power trolley in fig. 1.

Fig. 5 is a schematic plan view of a portion of the carbon-free power small side view of fig. 1.

Fig. 6 is a schematic plan view of a part of the carbon-free power trolley in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The embodiment provides a carbon-free power trolley. Referring to fig. 1, fig. 1 is a schematic perspective view of a carbon-free power cart according to an embodiment of the present invention. The carbon-free power trolley comprises a running mechanism, a kinetic energy output mechanism and a steering mechanism.

Referring to fig. 2, fig. 2 is a schematic perspective view of the carbon-free cart shown in fig. 1 from another perspective. The running mechanism comprises a bottom plate 3, two fixing plates 1, a first rotating shaft 7, two flange nuts, a driving wheel 22, a driven wheel 23, an adjusting mechanism, a front wheel frame 17, a bearing, a front wheel 18, a stud bolt and two nuts.

Both fixing plates 1 are fixedly mounted on the bottom plate 3. There are many ways to fix the fixing plate 1 on the base plate 3, and in this embodiment, the fixing plate 1 is fixedly connected with the base plate 3 through bolts. Of course, in other embodiments, the fixing plate 1 and the bottom plate 3 may be fixed by other fixing means, such as nailing.

The first rotating shaft 7 movably penetrates through the two fixing plates 1, and through holes for the first rotating shaft 7 to pass through are formed in the two fixing plates 1. The movable installation mode between the rotating shaft I7 and the fixing plate 1 is various, in this embodiment, the movable installation mode can be realized by an additional bearing, the additional bearing is embedded in the fixing plate 1, and the rotating shaft I7 penetrates through the additional bearing so as to realize the movable connection between the rotating shaft I7 and the fixing plate 1. Through holes for the external bearings to pass through are formed in the two fixing plates 1, and the first rotating shaft 7 is connected with the inner rings of the external bearings in a key mode. The two flange nuts are movably mounted at two ends of the first rotating shaft 7 respectively, and the first rotating shaft 7 is in threaded connection with the flange nuts. The two flange nuts circumferentially position the first rotating shaft 7, so that the first rotating shaft 7 can only rotate on the fixing plate 1 and cannot slide left and right relative to the fixing plate 1.

Referring to fig. 3, fig. 3 is a schematic perspective view of the carbon-free cart shown in fig. 1. The driving wheel 22 is fixedly arranged on the first rotating shaft 7. There are many ways to fix the driving wheel 22 to the first rotating shaft 7, and in this embodiment, the first rotating shaft 7 is connected to the driving wheel 22 by a key, so that the driving wheel 22 rotates along with the first rotating shaft 7. Of course, in other embodiments, the fixing between the driving wheel 22 and the first rotating shaft 7 can be realized by other fixing means, such as a bolt and a nut.

The driven wheel 23 is rotatably connected with the first rotating shaft 7. The driven wheel 23 and the rotating shaft one 7 rotate in various manners, in this embodiment, the rotation is realized through an embedded bearing, the axis of the driving wheel 22 and the axis of the driven wheel 23 both coincide with the axis of the rotating shaft one 7, the embedded bearing is fixedly sleeved on the rotating shaft one 7, and then the driven wheel 23 is fixedly sleeved on the rotating shaft one 7.

Referring to fig. 5, fig. 5 is a schematic plan view of a portion of the carbon-free power small side view of fig. 1. The adjusting mechanism comprises a movable plate 19, a bolt and a differential head 2. A through groove 15 is formed in the bottom plate 3, and the movable plate 19 is installed in the through groove 15. The movable plate 19 is provided with a first threaded hole matched with the bolt, a plurality of second threaded holes corresponding to the first threaded holes are formed in corresponding positions on the bottom plate 3, and the bolt penetrates through the first threaded holes in the movable plate 19 and the second threaded holes in the bottom plate 3 to fixedly connect the movable plate 19 and the bottom plate 3. The differential head 2 is mounted at the edge of the through slot 15, and is located on the same side as the upper end surface of the movable plate, and is used for measuring the position of the movable plate 19 in the through slot 15.

Referring to fig. 6, fig. 6 is a schematic plan view of a portion of the carbon-free power cart in fig. 1. The front wheel frame 17 is rotatably mounted on the movable plate 19 through a bearing, a through hole for mounting the bearing is formed in the movable plate 19, the bearing is fixedly mounted in the through hole, and the front wheel frame 17 penetrates through the bearing and is in key connection with the bearing. The front wheel 18 is rotatably mounted on the front wheel frame 17 and can freely roll. There are many ways of movably mounting the front wheel 18 to the front wheel frame 17, and in this embodiment, this is achieved by means of studs and nuts. Two ends of the stud bolt penetrate through the front wheel frame and are respectively in threaded connection with the two nuts, and the stud bolt is rotatably connected with the front wheel 18. Of course, in other embodiments, the front wheels 18 and the front wheel frame 17 may be mounted in other movable mounting manners, such as a rotating shaft is disposed on the front wheel frame 17, the front wheels 18 are disposed on the rotating shaft, and the rotating shaft and the front wheel frame 17, and the front wheels 18 and the rotating shaft are fixedly mounted through additional bearings. The bottom plate 3 is provided with a through groove 15, the movable plate 19 is installed in the through groove 15 and is fixed in position with the bottom plate 3 through bolts, the bolts are unscrewed, the movable plate 19 is moved, the first threaded holes in the movable plate 19 correspond to the second threaded holes in different positions in the bottom plate 3, the position of the movable plate 19 can be adjusted, the position of the front wheel frame 17 on the bottom plate 3 changes along with the movable plate 19, and therefore the position of the front wheel 18 can be adjusted, and under the accurate measurement of the differential head 2, the accurate adjustment of the position of the front wheel 18 can be achieved. Through detailed parameter calculation and accurate adjustment of the position of the front wheel 18, the left steering time and the right steering time of the front wheel 18 can be kept consistent with the deflection angle, and the X axis of the trolley in the advancing process is ensured to have no deflection as much as possible.

The kinetic energy output mechanism comprises a transverse plate 4, a plurality of positioning rods 24, a top plate 20, a first fixing frame 25, a second fixing frame, a fixing rod, a pulley 26, a plurality of threaded rods, a reel 21, a balancing weight and a string.

The transverse plate 4 is fixedly arranged on the tops of the two fixed plates 1. The positioning rods 24 are fixedly arranged on the transverse plate 4 in an annular array. The top plate 20 is fixedly mounted on the positioning rod 24. The pulleys 26 are mounted on the top plate 20, and the pulleys 26 are mounted on the top plate 20 in various ways, in this embodiment, a bracket is fixed on the top plate 20, and the pulleys 26 are rotatably arranged on the bracket. The first fixing frame 25 and the second fixing frame are both fixedly arranged on the top plate 20, the fixed rod is fixed on the second fixing frame, and the pulley 26 is rotatably connected with the fixed rod.

Locating lever 24 top and bottom all are connected with threaded rod integrated into one piece, all set up the through-hole that supplies the threaded rod to pass through on diaphragm 4 and the roof 20, through nut fixed connection between diaphragm 4 and roof 20 and the threaded rod.

A reel 21 is mounted on the top plate 20. The balancing weight is movably installed in an annular space defined by the positioning rods 24 and used for limiting the movement of the balancing weight in the horizontal direction, so that the travelling path of the trolley is prevented from deflecting due to the force in the horizontal direction when the trolley runs, and the stable running of the trolley is ensured. One end of the string is fixed on the balancing weight, and the other end of the string is fixedly connected with the first rotating shaft by bypassing the reel 21 and the pulley 26. The reel 21 comprises a large wheel and a small wheel, the large wheel is rotatably mounted on the first fixing frame 25, the small wheel and the large wheel are integrally connected, and the axis of the small wheel coincides with the axis of the large wheel. One end of the thin rope is connected with the balancing weight, and the other end of the thin rope passes around the small wheel and is wound on the large wheel and then is fixed on the first rotating shaft 7.

In this embodiment, 1kg standard weight is selected for the balancing weight, and when the weight fell from the eminence, the one end that drives the string fell, and the steamboat of reel 21 rotated, and the bull wheel that drives reel 21 rotated, and the string twined on the bull wheel, loosens around establishing the string on the drive shaft for the drive shaft one-way rotates forward, fixes the action wheel 22 rotation on rotation axis one 7, orders about the dolly and advances forward.

Referring to fig. 4, fig. 4 is a schematic front view of a partial structure of the carbon-free power cart in fig. 1. The steering mechanism comprises a pinion 13, a second rotating shaft 8, four sliding rods 5, a cam frame 10, a connecting rod 16, a bull gear 14, a first bevel gear 12, a third rotating shaft 6, a second bevel gear 11 and a cam 9.

The pinion 13 is fixedly mounted on the first rotating shaft 7. The second rotating shaft 8 is vertically and rotatably arranged on the fixed plate 1. Four sliding rods 5 are respectively inserted into the rod holes correspondingly reserved on the two fixed plates 1 in a sliding manner.

The cam frame 10 is installed in the middle of the four slide bars 5, two ends of the cam frame 10 are respectively fixedly connected with one ends of the four slide bars 5 opposite to each other, and the cam frame 10 and the slide bars 5 are integrally formed in a stamping mode in the embodiment. Both ends of the link 16 are fixed to the cam frame 10 and the front wheel frame 17, respectively. A groove body for inserting the connecting rod 16 is formed in the cam frame 10, a hole body for allowing the connecting rod 16 to pass through is formed in the front wheel frame 17, and the connecting rod 16 is connected with the hole body through jackscrews.

The bull gear 14 and the bevel gear 12 are both fixedly arranged on the second rotating shaft 8, and the bull gear 14 is meshed with the pinion 13. The rotating shaft III 6 is vertically and rotatably arranged on the bottom plate 3. The second bevel gear 11 and the cam 9 are fixedly arranged on the third rotating shaft 6, the second bevel gear 11 is vertically meshed with the first bevel gear 12, and the cam 9 is positioned in the cam frame 10.

When the weight falls from a high place, the rotating shaft I7 rotates under the traction action of the string, and the pinion 13 on the rotating shaft I7 rotates and drives the bull gear 14 to rotate. Under the rotation action of the large gear 14, the second rotating shaft 8 rotates, and the first bevel gear 12 on the second rotating shaft 8 rotates to drive the second bevel gear 11 to rotate. The bevel gear II 11 drives the rotating shaft III 6 and the cam 9 to rotate, and the cam 9 strikes the cam frame 10 in a reciprocating mode, so that the cam frame 10 drives the sliding rod 5 to do reciprocating motion in the rod hole. Under the action of the connecting rod 16, the cam frame 10 drives the front wheel frame 17 to rotate, so that the front wheel 18 on the front wheel frame 17 swings, thereby realizing turning and avoiding obstacles designed on a competition field.

The utility model discloses a weight falls and drives rotation axis one and rotates for the pinion rotation in the rotation axis one drives the gear wheel and rotates, and the gear wheel drives two rotations of axle, drives two rotations of bevel gear by the epaxial bevel gear of axis of rotation two. The bevel gear II drives the rotating shaft III and the cam to rotate, and the cam strikes the cam frame in a reciprocating mode, so that the cam frame drives the sliding rod to do reciprocating motion in the rod hole. Under the action of the connecting rod, the cam frame drives the front wheel frame to rotate, so that the front wheel on the front wheel frame swings, and the trolley can walk out of an S-shaped path and avoid obstacles designed on a competition field. In addition, the bolt is unscrewed, the movable plate is moved, the threaded holes in the movable plate correspond to the threaded holes in different positions in the bottom plate, the position of the movable plate can be adjusted, the position of the front wheel frame on the bottom plate changes along with the movable plate, the position of the front wheel becomes adjustable, and the accurate adjustment of the position of the front wheel can be achieved under the accurate measurement of the differential head. Through detailed parameter calculation and accurate adjustment of the position of the front wheel, the left steering time and the right steering time of the front wheel can be kept consistent with the deflection angle, and the X axis of the trolley in the advancing process is ensured to have no deflection as much as possible.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A carbon-free powered cart, comprising:

the running mechanism comprises a bottom plate, two fixing plates, a first rotating shaft, a driving wheel, a driven wheel, a front wheel frame and a front wheel; the two fixing plates are fixedly arranged on the bottom plate; the first rotating shaft movably penetrates through the two fixing plates; the driving wheel is fixedly arranged on the first rotating shaft; the driven wheel is rotatably connected with the first rotating shaft; the front wheel frame is arranged on the bottom plate, and the front wheels are movably arranged on the front wheel frame; the axis of the driving wheel and the axis of the driven wheel are both superposed with the axis of the first rotating shaft;

the kinetic energy output mechanism comprises a transverse plate, a plurality of positioning rods, a top plate, a winding wheel, a pulley, a balancing weight and a string; the transverse plates are fixedly arranged at the tops of the two fixing plates; the positioning rods are fixedly arranged on the transverse plate in an annular array; the top plate is fixedly arranged on the positioning rod, and the reel and the pulley are both arranged on the top plate; the balancing weight is movably arranged in an annular space defined by the positioning rods, one end of the thin rope is fixed on the balancing weight, and the other end of the thin rope bypasses the reel and the pulley to be fixedly connected with the first rotating shaft;

it is characterized in that the carbon-free power trolley further comprises:

the steering mechanism comprises a pinion, a second rotating shaft, four sliding rods, a cam frame, a bull gear, a first bevel gear, a third rotating shaft, a second bevel gear, a cam and a connecting rod; the pinion is fixedly arranged on the first rotating shaft; the second rotating shaft is vertically and rotatably arranged on the fixed plate; the four sliding rods are respectively inserted in the rod holes correspondingly reserved on the two fixing plates in a sliding manner; the cam frame is arranged between the four sliding rods, and two ends of the cam frame are fixedly connected with the opposite ends of the four sliding rods respectively; the bull gear and the bevel gear I are both fixedly mounted on the second rotating shaft, and the bull gear is meshed with the pinion; the rotating shaft III is vertically and rotatably arranged on the bottom plate; the second bevel gear and the cam are both fixedly mounted on the third rotating shaft, the second bevel gear is vertically meshed with the first bevel gear, and the cam is located in the cam frame; two ends of the connecting rod are respectively fixed on the cam frame and the front wheel frame;

wherein the running mechanism further comprises an adjusting mechanism; the adjusting mechanism comprises a movable plate, a bolt and a differential head; a through groove is formed in the bottom plate, and the movable plate is installed in the through groove; the movable plate is provided with a first threaded hole matched with the bolt, and the bottom plate is provided with a plurality of second threaded holes corresponding to the first threaded holes; the bolt penetrates through the first threaded hole and one of the second threaded holes to fixedly connect the movable plate with the bottom plate; the differential head is arranged at the edge of the through groove and is positioned on the same side with the upper end face of the movable plate.

2. The carbon-free power cart of claim 1, wherein the running mechanism further comprises a bearing;

the movable plate is provided with a through hole for mounting the bearing; the front wheel frame penetrates through the bearing and is in key connection with the bearing.

3. The carbon-free power trolley as claimed in claim 1, wherein the fixed installation between the sliding rod and the fixed plate is realized by a jackscrew, the jackscrew is fixedly embedded in the fixed plate, and the sliding rod and the jackscrew are connected by a key.

4. The carbon-free power trolley as claimed in claim 1, wherein the two fixing plates are provided with through holes for the first rotating shaft to pass through;

the through hole in one of the fixing plates is rotatably connected with the first rotating shaft through an embedded bearing, and the through hole and the first rotating shaft are positioned on the same side of the driving wheel; the through hole in the other fixing plate is rotatably connected with the first rotating shaft through an embedded bearing, the through hole and the first rotating shaft are located on the same side of the driven wheel, and the embedded bearing is fixed in the through hole.

5. The carbon-free power cart of claim 1, wherein the running mechanism further comprises two flange nuts;

the two flange nuts are movably installed at two ends of the first rotating shaft respectively, and the first rotating shaft is in threaded connection with the flange nuts.

6. The carbon-free power cart of claim 1, wherein the running mechanism further comprises a stud and two nuts;

the two ends of the stud bolt penetrate through the front wheel frame and are respectively in threaded connection with the two nuts, and the stud bolt is rotatably connected with the front wheel.

7. The carbon-free power cart of claim 1, wherein the kinetic energy output mechanism further comprises a plurality of threaded rods;

locating lever top and bottom all with threaded rod integrated into one piece is connected, the diaphragm with all seted up the confession on the roof the through-hole that the threaded rod passes through, the diaphragm with the roof with through nut fixed connection between the threaded rod.

8. The carbon-free power trolley of claim 1, wherein the kinetic energy output mechanism further comprises a first fixing frame, a second fixing frame and a fixing rod;

the first fixing frame and the second fixing frame are fixedly arranged on the top plate, the fixed rod is fixed on the second fixing frame, and the pulley is rotatably connected with the fixed rod.

9. The carbon-free power cart of claim 8, wherein the reels include large and small wheels;

the big wheel is rotatably installed on the first fixing frame, the small wheel is connected with the big wheel in an integrated forming mode, and the axle center of the small wheel coincides with the axle center of the big wheel.

10. The carbon-free power trolley as claimed in claim 1, wherein the cam frame is provided with a groove body for the insertion of the connecting rod, the front wheel frame is provided with a hole body for the passage of the connecting rod, and the connecting rod is connected with the hole body through a jackscrew.