CN204637558U - A kind of dolly driving walking with gravitional force - Google Patents

Abstract

The utility model relates to a kind of dolly driving walking with gravitional force, belongs to technical field of mechanical innovation.The utility model comprises counterweight bracing or strutting arrangement, chassis, power transmission, crank and rocker mechanism, incomplete gear mechanism, transfer; Counterweight bracing or strutting arrangement is arranged in the middle part of chassis, power transmission is arranged on counterweight bracing or strutting arrangement sidepiece, crank and rocker mechanism is arranged on counterweight bracing or strutting arrangement the other side, and it is anterior that incomplete gear mechanism is arranged on counterweight bracing or strutting arrangement, and transfer is arranged on chassis front end.The utility model has the device that restriction counterweight swings, and can effectively avoid in motion process because counterweight swings the error brought; After setting mechanism's appearance and size, steering angle can be determined, can avoid unnecessary error; Simple, the pure mechanical mechanism of structure, energy-conserving and environment-protective, strong adaptability, convenient and practical, be convenient to promote.

Description

A trolley driven by gravitational potential energy

technical field

The utility model relates to a trolley driven by gravitational potential energy, which belongs to the technical field of mechanical innovation.

Background technique

With the development and progress of society, the concept of energy saving and emission reduction has been deeply rooted in the hearts of the people, and more and more people are studying the methods of energy saving and emission reduction. A self-propelled trolley driven by gravitational potential energy and with direction control function can convert the gravitational potential energy of the weight into the kinetic energy of the vehicle movement, and can walk according to the predetermined trajectory, reflecting people's pursuit of energy saving and emission reduction. However, due to the immature technology, many self-propelled vehicles with direction control function driven by gravitational potential energy in the past have problems such as bulky structure, low energy conversion efficiency, inaccurate and difficult adjustment of steering mechanism, and complicated calculation of trajectory parameters.

Contents of the invention

The purpose of the utility model is to provide a trolley driven by gravity potential energy to solve the problems of bulky structure, low efficiency of capacity conversion, inaccurate steering mechanism and complicated calculation of trajectory parameters.

The utility model is realized according to the following technical solutions: a trolley driven by gravitational potential energy, including a weight support device, a chassis, a power transmission device, a crank rocker mechanism, an incomplete gear mechanism, and a steering device; the weight support device is installed on In the middle of the chassis, the power transmission device is installed on the side of the weight support device, the crank rocker mechanism is installed on the other side of the weight support device, the incomplete gear mechanism is installed on the front of the weight support device, and the steering device is installed on the front end of the chassis. The weight support device includes a support rod 1, a screw 2, a fixed pulley support plate 3, a fixed pulley 4, a fixed pulley shaft 5, a nut 6, a weight 7, an upper sleeve fixing frame 8, a lower sleeve fixing frame 9, a support rod Base 32, sleeve 34, string 35; Support rod 1 is installed on the support rod base 32, and fixed pulley support plate 3 is installed on the top of support rod 1 by screw 2, nut 6, and fixed pulley shaft 5 is fixedly installed on the support rod 1 by nut 6. On the fixed pulley support plate 3, the fixed pulley 4 is installed on the fixed pulley shaft 5, the upper sleeve fixed frame 8 and the lower sleeve fixed frame 9 are respectively installed in the middle of the support rod 1, and the sleeve 34 is installed on the upper sleeve fixed frame 8 And in the lower sleeve fixing frame 9, the weight 7 is connected to one end of the string 35 and is located at the top of the sleeve 34, and the other end of the string 35 is installed around the fixed pulley 4. The chassis includes a rear wheel bearing seat 11, a deep groove ball bearing 12 , support plate 14, bearing seat 18, vehicle floor 28; Support bar base 32 is installed on the vehicle floor 28, and rear wheel bearing seat 11 is installed on vehicle floor 28 rear both sides, and bearing seat 18 is installed in the vehicle floor 28 middle parts and is positioned at support The rear part of the rod base 32, the deep groove ball bearings 12 are respectively installed in the rear wheel bearing housing 11, the bearing housing 18, the support plate 14 is U-shaped and installed on the vehicle floor 28 and is located in the middle of the two rear wheel bearing housings 11; the power transmission device includes Driven wheel 10, rear axle 13, driving wheel 15, pinion 16, bull gear 17, bobbin 19; On one side of the rear axle 13, the driving wheel 15 is installed on the other side of the rear axle 13, the pinion 16 is installed on the rear axle 13, the bull gear 17 is installed on one end of the bobbin 19, and the pinion 16 meshes with the bull gear 17; incomplete The gear mechanism includes a Z-shaped bracket 20, an incomplete external gear swing rod I21, an incomplete external gear swing rod II25, a limit nut 26, and a limit screw 27; the incomplete external gear swing rod I21 is installed on the vehicle floor through the Z-shaped bracket 20 On 28, the incomplete external gear swing rod II 25 is installed on the vehicle floor 28 to mesh with the incomplete external gear swing rod I 21, the limit nut 26 and the limit screw 27 are installed on the vehicle floor 28, the limit nut 26 and the limit screw 27 is used for fine-tuning the size of front wheel steering angle, and crank rocker mechanism comprises joint bearing 29, rocking bar 30, connecting rod 31, crank 33; The gear pendulum I21 is connected, the joint bearing 29 is installed on the other end of the rocking bar 30 , one end of the connecting rod 31 is connected with the other end of the rocking bar 30 , and the other end of the connecting rod 31 is connected with the crank 33 .

Described steering gear comprises front-wheel 22, front axle 23, front-wheel fork 24; The upper part is connected with the pendulum II 25 of the incomplete external gear, and the limit nut 26 and the limit screw 27 are installed on the vehicle floor 28 on both sides of the front wheel fork 24 .

One end of the thin rope 35 is connected with the weight 7, and the other end of the thin rope 35 is installed around the fixed pulley 4 and connected with the winding shaft 19 of the power transmission device.

The working principle of a trolley driven by gravitational potential energy is: one end of the thin rope 35 is tied to the winding shaft 19 and wound several times, and the other end is guided by two fixed pulleys 4 and then hung with a weight 7 and a weight 7 Slowly fall down under the action of gravity, and the force is transmitted to the bobbin 19, and the large gear 17 on the bobbin 19 transmits the force to the pinion 16, and the pinion 16 transmits the force to the rear wheel shaft 13, thereby driving The driving wheel 15 drives the dolly to move; the other end of the winding shaft 19 drives the crank 33 to rotate, driving the incomplete gear mechanism and the steering part to move. By adjusting the space crank rocker mechanism, the trolley can be made to walk on a predetermined track, and by fine-tuning the limit screw 27 on the limit nut 26, the movement can be made more precise.

The utility model has the following beneficial effects:

1. It has a device to limit the swing of the weight, which can effectively avoid the error caused by the swing of the weight during the exercise;

2. After setting the overall dimensions of the mechanism, the steering angle can be determined, which can avoid unnecessary errors;

3. It can arbitrarily allocate the period occupied by the left and right angles of the front wheels, and can correct the phenomenon that the period distribution ratio is different due to the difference in the arc length of the driving wheel in the arc track and the inner and outer track;

4. Simple structure, pure mechanical mechanism, energy saving and environmental protection, strong adaptability, convenient and practical, and easy to promote.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the schematic diagram of steering mechanism of the present utility model;

Fig. 3 is a side view structural diagram of the utility model.

The labels in the figure are: 1: support rod, 2: screw, 3: fixed pulley support plate, 4: fixed pulley, 5: fixed pulley shaft, 6: nut, 7: weight, 8: upper sleeve fixing frame, 9: lower sleeve fixing frame, 10: driven wheel, 11: rear wheel bearing housing, 12: deep groove ball bearing, 13: rear wheel shaft, 14: support plate, 15: driving wheel, 16: pinion gear, 17: large Gear,, 18: Bearing seat, 19: Winding shaft, 20: Z-shaped bracket, 21: Incomplete external gear swing lever Ⅰ, 22: Front wheel, 23: Front wheel shaft, 24: Front wheel fork, 25: Incomplete external gear Gear pendulum II, 26: limit nut, 27: limit screw, 28: vehicle floor, 29: joint bearing, 30: rocker, 31: connecting rod, 32: support rod base, 33: crank, 34: sleeve Tube, 35: string.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the utility model will be further described, but the content of the utility model is not limited to said range.

Embodiment 1: As shown in Figures 1-3, a trolley driven by gravitational potential energy includes a weight support device, a chassis, a power transmission device, a crank rocker mechanism, an incomplete gear mechanism, and a steering device; the weight support The device is installed in the middle of the chassis, the power transmission device is installed on the side of the weight support device, the crank rocker mechanism is installed on the other side of the weight support device, the incomplete gear mechanism is installed on the front of the weight support device, and the steering device is installed on the At the front end of the chassis, the weight support device includes a support rod 1, a screw 2, a fixed pulley support plate 3, a fixed pulley 4, a fixed pulley shaft 5, a nut 6, a weight 7, an upper sleeve fixing frame 8, and a lower sleeve fixing frame 9 , support rod base 32, sleeve 34, string 35; support rod 1 is installed on the support rod base 32, fixed pulley support plate 3 is installed on the top of support rod 1 by screw 2, nut 6, and fixed pulley shaft 5 passes nut 6 Fixedly installed on the fixed pulley support plate 3, the fixed pulley 4 is installed on the fixed pulley shaft 5, the upper sleeve fixing frame 8 and the lower sleeve fixing frame 9 are respectively installed in the middle of the support rod 1, and the sleeve 34 is installed on the upper sleeve In the fixed frame 8 and the lower sleeve fixed frame 9, the weight 7 is connected to one end of the string 35 and is located at the top of the sleeve 34, and the other end of the string 35 is installed around the fixed pulley 4, and the chassis includes the rear wheel bearing seat 11, deep groove Ball bearing 12, support plate 14, bearing seat 18, vehicle floor 28; Support bar base 32 is installed on the vehicle floor 28, and rear wheel bearing seat 11 is installed on vehicle floor 28 rear both sides, and bearing seat 18 is installed on vehicle floor 28 The middle part is located at the rear part of the support rod base 32, and the deep groove ball bearings 12 are installed in the rear wheel bearing housing 11 and the bearing housing 18 respectively, and the support plate 14 is U-shaped and installed on the vehicle floor 28 and is located in the middle of the two rear wheel bearing housings 11; Transmission device comprises driven wheel 10, rear wheel shaft 13, driving wheel 15, pinion 16, bull gear 17, winding shaft 19; 10 is installed on one side of the rear axle 13, the driving wheel 15 is installed on the other side of the rear axle 13, the pinion 16 is installed on the rear axle 13, the bull gear 17 is installed on one end of the winding shaft 19, and the pinion 16 meshes with the bull gear 17 The incomplete gear mechanism includes a Z-shaped bracket 20, an incomplete external gear swing rod I21, an incomplete external gear swing rod II25, a limit nut 26, and a limit screw 27; the incomplete external gear swing rod I21 is installed through the Z-shaped bracket 20 On the vehicle floor 28, the incomplete external gear swing lever II 25 is installed on the vehicle floor 28 to mesh with the incomplete external gear swing lever I21, the limit nut 26 and the limit screw 27 are installed on the vehicle floor 28, the limit nut 26, Limit screw 27 is used for fine-tuning the size of front wheel steering angle, and crank rocker mechanism comprises joint bearing 29, rocking bar 30, connecting rod 31, crank 33; The incomplete external gear pendulum I21 is connected, the joint bearing 29 is installed on the other end of the rocking bar 30, one end of the connecting rod 31 is connected with the other end of the rocking bar 30, and the other end of the connecting rod 31 is connected with the crank 33.

Steering gear comprises front-wheel 22, front axle 23, front-wheel fork 24; The incomplete external gear fork II 25 is connected, and the limit nut 26 and the limit screw 27 are installed on the vehicle floor 28 on the front wheel fork 24 both sides.

One end of the string 35 is connected with the weight 7, and the other end of the string 35 is installed around the fixed pulley 4 and connected with the winding shaft 19 of the power transmission device.

Claims (3)

1. drive a dolly for walking with gravitional force, it is characterized in that: comprise counterweight bracing or strutting arrangement, chassis, power transmission, crank and rocker mechanism, incomplete gear mechanism, transfer, counterweight bracing or strutting arrangement is arranged in the middle part of chassis, power transmission is arranged on counterweight bracing or strutting arrangement sidepiece, crank and rocker mechanism is arranged on counterweight bracing or strutting arrangement the other side, it is anterior that incomplete gear mechanism is arranged on counterweight bracing or strutting arrangement, transfer is arranged on chassis front end, counterweight bracing or strutting arrangement comprises support bar (1), screw (2), fixed pulley gripper shoe (3), fixed pulley (4), fixed pulley axis (5), nut (6), counterweight (7), upper bush fixed mount (8), lower sleeve fixed mount (9), support bar base (32), sleeve (34), cord (35), support bar (1) is arranged on support bar base (32), fixed pulley gripper shoe (3) is by screw (2), nut (6) is arranged on support bar (1) top, fixed pulley axis (5) is fixedly mounted in fixed pulley gripper shoe (3) by nut (6), fixed pulley (4) is arranged on fixed pulley axis (5), upper bush fixed mount (8), lower sleeve fixed mount (9) is arranged on support bar (1) middle part respectively, sleeve (34) is arranged in upper bush fixed mount (8) and lower sleeve fixed mount (9), counterweight (7) is connected with cord (35) one end and is positioned at sleeve (34) top, cord (35) other end is installed and is centered around on fixed pulley (4), chassis comprises hind axle bearing (11), deep groove ball bearing (12), gripper shoe (14), bearing block (18), car bottom plate (28), support bar base (32) is arranged on car bottom plate (28), hind axle bearing (11) is arranged on car bottom plate (28) both sides, rear portion, bearing block (18) is arranged on car bottom plate (28) middle part and is positioned at support bar base (32) rear portion, deep groove ball bearing (12) is arranged in hind axle bearing (11), bearing block (18) respectively, and gripper shoe (14) car bottom plate (28) is positioned in the middle of two hind axle bearings (11) for U-shaped being arranged on, power transmission comprises driven pulley (10), hind axle (13), driving wheel (15), pinion (16), gear wheel (17), roll (19), hind axle (13), roll (19) are arranged on hind axle bearing (11), bearing block (18) respectively, driven pulley (10) is arranged on hind axle (13) side, driving wheel (15) is arranged on hind axle (13) opposite side, pinion (16) is arranged on hind axle (13), gear wheel (17) is arranged on roll (19) one end, and pinion (16) engages with gear wheel (17), incomplete gear mechanism comprises Z-type support (20), not exclusively external gear fork I (21), not exclusively external gear fork II (25), stop nut (26), stop screw (27), incomplete external gear fork I (21) is arranged on car bottom plate (28) by Z-type support (20), incomplete external gear fork II (25) is arranged on car bottom plate (28) and above engages with incomplete external gear fork I (21), stop nut (26), stop screw (27) are arranged on car bottom plate (28), stop nut (26), stop screw (27) are for finely tuning the size of front wheel steering angle, and crank and rocker mechanism comprises oscillating bearing (29), rocking bar (30), connecting rod (31), crank (33), crank (33) is arranged on roll (19) other end, rocking bar (30) one end is connected with incomplete external gear fork I (21), oscillating bearing (29) is arranged on rocking bar (30) other end, connecting rod (31) one end is connected with rocking bar (30) other end, and connecting rod (31) other end is connected with crank (33).

2. the dolly driving walking with gravitional force according to claim 1, is characterized in that: described transfer comprises front-wheel (22), front axle (23), front fork (24); Front-wheel (22) is arranged on front fork (24) bottom by front axle (23), it is anterior that front fork (24) middle part is arranged on car bottom plate (28), front fork (24) top is connected with incomplete external gear fork II (25), and stop nut (26), stop screw (27) are arranged on the car bottom plate (28) of front fork (24) both sides.

3. the dolly driving walking with gravitional force according to claim 1, it is characterized in that: described cord (35) one end is connected with counterweight (7), the installation of cord (35) other end is centered around fixed pulley (4) and is above connected with the roll (19) of power transmission.