CN210473041U

CN210473041U - Carbon-free trolley for realizing double 8-shaped traveling track

Info

Publication number: CN210473041U
Application number: CN201921033392.6U
Authority: CN
Inventors: 郑飞杰; 叶子楷; 陈寿强; 伍志华; 马阳春
Original assignee: Sanming University
Current assignee: Sanming University
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-05-08
Anticipated expiration: 2029-07-04

Abstract

The utility model provides a realize two no carbon dollies of 8 words orbit of advancing relates to no carbon dolly technical field, has solved the big technical problem of the no carbon dolly preparation degree of difficulty that exists among the prior art. The trolley comprises a frame, wherein a steering mechanism is arranged on the frame, the steering mechanism comprises an incomplete gear and a driven wheel in meshing transmission with the incomplete gear, the driven wheel is connected with a fine adjustment mechanism through a connecting rod, one end of the fine adjustment mechanism is connected with the connecting rod, the other end of the fine adjustment mechanism is connected with a traveling mechanism, and therefore the incomplete gear and the driven wheel rotate to drive the connecting rod and the fine adjustment mechanism to swing so as to drive the traveling mechanism to realize a double-8-shaped traveling track. The carbon-free trolley of the utility model is simple to manufacture, and the loss energy consumption is less.

Description

Carbon-free trolley for realizing double 8-shaped traveling track

Technical Field

The utility model belongs to the technical field of carbonless dolly technique and specifically relates to a carbon-free dolly of two 8 word trajectories is related to realization.

Background

The carbon-free trolley is a marked product for the current manufacturing type professional student engineering training. The carbon-free trolley is a three-wheel trolley which takes 4 joules gravitational potential energy as the only energy and has the continuous obstacle avoidance function. The carbon-free trolley with double 8-shaped tracks is that the trolley circulates on a half table tennis table around three barrier piles on the center line according to the double 8-shaped tracks, and the trolley cannot touch the barrier piles during circulation. The kinetic energy of the trolley is converted into the kinetic energy of the trolley by utilizing the gravitational potential energy of the weight; meanwhile, the trolley alternatively bypasses 3 barrier piles on the middle line by a double-8-shaped track, and each barrier pile is ensured to be in an 8-shaped closed ring. One successful "8" barrier trajectory is: the 3 closed loop trajectories and the 4 changes of the trajectory occur alternately, the change in direction being a change in the centre of curvature of the trajectory from one side of the trajectory to the other.

The applicant has found that the prior art has at least the following technical problems: in order to realize the double-8-shaped track of the carbon-free trolley in the prior art, the steering mechanism of the trolley is designed to convert the rotary motion into the back-and-forth swing meeting the requirement, and the steering wheel is driven to rotate left and right, so that the function of turning and avoiding obstacles is realized. The steering mechanism for realizing the double 8-shaped running track of the carbon-free trolley at present adopts a cam mechanism and a rocker, the cam is a component with a certain curve profile or a groove, and a driven part can obtain continuous or discontinuous random expected reciprocating motion through high-pair contact during motion.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a realize two no carbon dollies of 8 words orbit of advancing to solve the big technical problem of the no carbon dolly preparation degree of difficulty that exists among the prior art. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of realize carbon-free dolly of two 8 word advancing track, which comprises a vehicle rack be equipped with steering mechanism on the frame, wherein, steering mechanism include incomplete gear and with the driven driving wheel of incomplete gear engagement, be connected with fine-tuning from the driving wheel through the connecting rod, fine-tuning's one end with the connecting rod is connected, running gear is connected to fine-tuning's the other end, thereby pass through incomplete gear with the rotation from the driving wheel drives the connecting rod with fine-tuning's swing and then drive running gear realizes two 8 word advancing tracks.

According to a preferred embodiment, one end of the connecting rod is fixed to the driven wheel, and the other end of the connecting rod is connected to the fine adjustment mechanism.

According to a preferred embodiment, the fine adjustment mechanism comprises a first connecting end and a second connecting end, a sliding groove is formed in the first connecting end, the end of the connecting rod is arranged in the sliding groove through a screw rod, and the screw rod is locked at the bottom of the screw rod through a nut; the end part of the second connecting end, which is far away from the first connecting end, is connected with the traveling mechanism.

According to a preferred embodiment, the traveling mechanism comprises a traveling mechanism fixing frame arranged on the frame, a steering wheel assembly is arranged in the traveling mechanism fixing frame and comprises a steering wheel and a steering wheel support, a steering shaft is arranged at the top of the steering wheel support, the steering wheel is connected with the traveling mechanism fixing frame through the steering shaft, and a second connecting end of the fine adjustment mechanism can be connected with the steering shaft so as to drive the steering shaft to rotate and further drive the steering wheel to rotate.

According to a preferred embodiment, the vehicle body further comprises a power mechanism, wherein the power mechanism comprises a mounting seat arranged on the vehicle frame, a weight support is arranged on the mounting seat, and a fixed pulley used for enabling a weight to slide is arranged at the top end of the weight support.

According to a preferred embodiment, the vehicle further comprises a driving mechanism, the driving mechanism comprises a wheel set arranged at the rear side of the frame and a first driving shaft for fixing the wheel set and the frame, a spool is arranged on the first driving shaft, a first driving gear is arranged on one side of the spool, and the spool and the first driving gear can rotate synchronously with the first driving shaft.

According to a preferred embodiment, a second driving gear is arranged on the front side of the first driving gear, and the second driving gear can be in meshing transmission with the first driving gear.

According to a preferred embodiment, the second drive gear is connected to the partial gear via a second drive shaft in order to bring about a rotation of the partial gear when the second drive gear rotates.

According to a preferred embodiment, both ends of the first driving shaft are respectively fixedly connected with the frame through first brackets.

According to a preferred embodiment, both ends of the second driving shaft are fixedly connected with the frame through second brackets respectively.

Based on the technical scheme, the utility model discloses carbon-free dolly has following technological effect at least:

the utility model discloses steering mechanism of carbon-free dolly is through setting up incomplete gear and with the driven driving wheel of incomplete gear meshing transmission to will be connected with fine-tuning from the driving wheel through the connecting rod, rethread fine-tuning is connected with running gear, thereby drives connecting rod and fine-tuning's swing and then drives running gear through incomplete gear and rotation from the driving wheel and realize two 8 word advancing tracks. The design of the incomplete gear enables the carbon-free trolley to be convenient to manufacture, the loss is less, the change range of the motion angle of the driven wheel is large through the incomplete gear, the intermittent motion with unequal stop time of multiple times in one period is easy to realize, and then the carbon-free trolley is enabled to realize double 8-shaped traveling tracks.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the carbon-free cart of the present invention;

fig. 2 is a schematic structural view of a viewing angle on the frame of the carbon-free cart of the present invention;

fig. 3 is a schematic structural view of another view angle on the frame of the carbon-free trolley of the present invention.

In the figure: 10-a power mechanism; 101-a fixed pulley; 102-a mount; 103-weight support; 104-wheel group; 105-a first drive shaft; 106 — a first drive gear; 107-a first scaffold; 110-a spool; 121-a second drive gear; 122 — incomplete gear; 123-driven wheel; 124-connecting rod; 125-a second drive shaft; 126-a second support; 127-a third support; 13-fine adjustment mechanism; 131-a chute; 132-a first connection end; 133-a second connection end; 134-screw rod; 135-nut; 14-a running gear; 141-a running gear fixing frame; 142-a steering wheel; 143-a steering wheel support; 144-a steering shaft; 15-vehicle frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention will be described in detail with reference to the accompanying drawings 1-3.

As shown in figure 1, the utility model provides a realize carbonless dolly of two 8 word trajectories, including frame 15, be equipped with steering mechanism on frame 15, steering mechanism is used for realizing turning to of directive wheel. The steering mechanism includes an incomplete gear 122 and a driven wheel 123 in meshing transmission with the incomplete gear 122. The driven wheel 123 is connected with the fine adjustment mechanism 13 through a connecting rod 124, one end of the fine adjustment mechanism 13 is connected with the connecting rod 124, and the other end of the fine adjustment mechanism 13 is connected with the traveling mechanism 14, so that the incomplete gear 122 and the driven wheel 123 rotate to drive the connecting rod 124 and the fine adjustment mechanism 13 to swing so as to drive the traveling mechanism 14 to realize a double-8-shaped traveling track. Steering mechanism adopts incomplete gear and passes through the connecting rod from the driving wheel and drive running gear and realize two 8 words and advance for carbon-free dolly makes simply, moreover the utility model discloses a carbon-free dolly loss can be less, can effectually realize that two 8 words of carbon-free dolly advance.

Further, as shown in fig. 2, one end of the link 124 is fixed to the follower 123, and the other end of the link 124 is connected to the fine adjustment mechanism 13. So that the rotation of the incomplete gear 122 and the driven gear 123 is transmitted to the fine adjustment mechanism 13 through the link 124.

Further, as shown in fig. 2, the fine adjustment mechanism 13 includes a first connection end 132 and a second connection end 133. The first connection end 132 is provided with a sliding groove 131. Preferably, the sliding groove 131 is disposed along a length direction of the first connection end 132. Preferably, the sliding groove 131 is a long groove structure formed through the upper and lower surfaces of the first connection end 132. Preferably, the end of the connecting rod 124 is disposed within the chute 131 by a threaded rod 134. Preferably, the position of the screw 134 in the chute 131 can be adjusted according to the turning size of the carbon-free trolley around the obstacle, and after the position of the screw is adjusted, the screw 134 is locked at the bottom of the screw 134 through the nut 135. Preferably, nuts are provided at the top and bottom of the screw 134, and the nuts are tightened to clamp the upper and lower nuts to the upper and lower surfaces of the chute, thereby fixing the screw to the chute. Therefore, the carbon-free trolley traveling mechanism can be finely adjusted, and the carbon-free trolley can finish steering around obstacles with different distances. Preferably, the end of the second link 133 remote from the first link 132 is connected to the travel mechanism 14.

Further, as shown in fig. 3, the traveling mechanism 14 includes a traveling mechanism mount 141 provided on the vehicle frame 15. Thereby fixedly connecting the running gear 14 with the frame 15. Preferably, a steering wheel assembly is provided inside the traveling mechanism fixing frame 141, the steering wheel assembly includes a steering wheel 142 and a steering wheel bracket 143, and a steering shaft 144 is provided on the top of the steering wheel bracket 143. The steering wheel 142 is connected to the traveling mechanism mount 141 via a steering shaft 144. Preferably, the steering shaft 144 is rotatably connected to the top end of the traveling mechanism mount 141. Preferably, the second connecting end 133 of the fine adjustment mechanism 13 can be connected with the steering shaft 144 to rotate the steering shaft 144 and thus the steering wheel 142.

Further, as shown in fig. 1, the carbon-free trolley of the present invention further includes a power mechanism 10. The power mechanism 10 includes a mounting base 102 provided on the frame 15. A weight holder 103 is attached to the mount 102. A fixed pulley 101 for sliding the weight is provided at the tip of the weight holder 103.

Further, the carbon-free trolley of the utility model also comprises a driving mechanism. The drive mechanism includes a wheel set 104 provided on the rear side of the frame 15 and a first drive shaft 105 that fixes the wheel set 104 to the frame 15. The first driving shaft 105 is provided with a spool 110. A first driving gear 106 is provided at one side of the spool 110. The spool 110 and the first drive gear 106 are capable of rotating in synchronization with the first drive shaft 105. One end of the winding wire is wound on the winding shaft, and the other end of the winding wire is wound around the fixed pulley 101 to be connected with a weight. Preferably, in order to realize the free fall of the weight by its gravity, two fixed pulleys may be provided in parallel on the weight holder 103. Therefore, the weight is relied on, in the falling process, the winding shaft 110 rotates, and the first driving shaft 105 and the first driving gear 106 are driven to rotate. The wheel sets 104 at both ends of the first drive shaft 105 move with it while the first drive shaft 105 rotates, enabling the cart to advance.

Further, a second drive gear 121 is provided on the front side of the first drive gear 106. The second drive gear 121 is capable of meshing transmission with the first drive gear 106. The front side refers to the advancing direction of the carbon-free trolley. Preferably, first drive gear 106 and second drive gear 121 are disposed on a side of frame 15 opposite from partial gear 122. Preferably, the second driving gear 121 is connected with the incomplete gear 122 by a second driving shaft 125 so as to drive the rotation of the incomplete gear 122 when the second driving gear 121 rotates. That is, the first drive shaft 105, the first drive wheel 106, and the spool 110 are positioned on the rear side of the frame 15 with respect to the second drive shaft 125 and the partial gear 122. The first driving shaft 105 and the first driving wheel 106 are rotated by the gravitational potential energy of the weight, the wheel set 104 is rotated by the rotation of the first driving shaft 105, the second driving wheel 121 is rotated by the rotation of the first driving wheel 106, the incomplete gear 122 is rotated by the second driving wheel 121 through the second driving shaft 125, the incomplete gear 122 further causes the driven wheel 123 to rotate, so that the connecting rod 124 and the fine adjustment mechanism 14 swing to form a double-8-shaped traveling track of the walking machine.

Further, both ends of the first driving shaft 105 are fixedly connected to the frame 15 through first brackets 107, respectively. Preferably, both ends of the second driving shaft 125 are fixedly connected with the frame 15 through the second brackets 126, respectively. Preferably, a driven pulley 123 in mesh transmission with the incomplete gear 122 is provided on the front side of the incomplete gear 122 and fixed to the frame 15 by a third bracket 127.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The carbon-free trolley capable of achieving the double-8-shaped traveling track is characterized by comprising a trolley frame (15), wherein a steering mechanism is arranged on the trolley frame (15), the steering mechanism comprises an incomplete gear (122) and a driven wheel (123) in meshing transmission with the incomplete gear (122), the driven wheel (123) is connected with a fine adjustment mechanism (13) through a connecting rod (124), one end of the fine adjustment mechanism (13) is connected with the connecting rod (124), and the other end of the fine adjustment mechanism (13) is connected with a traveling mechanism (14), so that the incomplete gear (122) and the driven wheel (123) rotate to drive the connecting rod (124) and the fine adjustment mechanism (13) to swing so as to drive the traveling mechanism (14) to achieve the double-8-shaped traveling track.

2. The carbon-free trolley as claimed in claim 1, wherein one end of the connecting rod (124) is fixed with the driven wheel (123), and the other end of the connecting rod (124) is connected with the fine adjustment mechanism (13).

3. The carbon-free trolley according to claim 2, wherein the fine adjustment mechanism (13) comprises a first connection end (132) and a second connection end (133), a sliding groove (131) is arranged on the first connection end (132), the end of the connection rod (124) is arranged in the sliding groove (131) through a screw rod (134), and the screw rod (134) is locked at the bottom of the screw rod (134) through a nut (135); the end of the second connecting end (133) far away from the first connecting end (132) is connected with a walking mechanism (14).

4. The carbon-free trolley as claimed in claim 1, wherein the traveling mechanism (14) comprises a traveling mechanism fixing frame (141) arranged on the trolley frame (15), a steering wheel assembly is arranged inside the traveling mechanism fixing frame (141), the steering wheel assembly comprises a steering wheel (142) and a steering wheel support (143), a steering shaft (144) is arranged at the top of the steering wheel support (143), the steering wheel (142) is connected with the traveling mechanism fixing frame (141) through the steering shaft (144), and the second connecting end (133) of the fine adjustment mechanism (13) can be connected with the steering shaft (144) to drive the steering shaft (144) to rotate so as to drive the steering wheel (142) to rotate.

5. The carbon-free trolley according to claim 1, further comprising a power mechanism (10), wherein the power mechanism (10) comprises a mounting seat (102) arranged on the trolley frame (15), a weight support (103) is arranged on the mounting seat (102), and a fixed pulley (101) for sliding the weight is arranged at the top end of the weight support (103).

6. The carbon-free trolley as claimed in claim 5, further comprising a driving mechanism, wherein the driving mechanism comprises a wheel set (104) arranged at the rear side of the trolley frame (15) and a first driving shaft (105) for fixing the wheel set (104) and the trolley frame (15), a winding shaft (110) is arranged on the first driving shaft (105), a first driving gear (106) is arranged at one side of the winding shaft (110), and the winding shaft (110) and the first driving gear (106) can rotate synchronously with the first driving shaft (105).

7. The carbon-free trolley according to claim 6, characterized in that a second driving gear (121) is arranged on the front side of the first driving gear (106), and the second driving gear (121) can be in meshing transmission with the first driving gear (106).

8. The carbon-free trolley according to claim 7, characterized in that the second driving gear (121) is connected with the incomplete gear (122) through a second driving shaft (125) so as to drive the rotation of the incomplete gear (122) when the second driving gear (121) rotates.

9. The carbon-free trolley as claimed in claim 8, characterized in that both ends of the first driving shaft (105) are fixedly connected with the frame (15) through first brackets (107).

10. The carbon-free trolley according to claim 9, characterized in that two ends of the second driving shaft (125) are fixedly connected with the frame (15) through second brackets (126).