CN108295482B - Carbon-free trolley capable of walking and sealing in 8 shape - Google Patents
Carbon-free trolley capable of walking and sealing in 8 shape Download PDFInfo
- Publication number
- CN108295482B CN108295482B CN201711376739.2A CN201711376739A CN108295482B CN 108295482 B CN108295482 B CN 108295482B CN 201711376739 A CN201711376739 A CN 201711376739A CN 108295482 B CN108295482 B CN 108295482B
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- bottom plate
- adjusting
- shaft
- frame
- cam
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- 238000007789 sealing Methods 0.000 title abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000005381 potential energy Methods 0.000 claims abstract description 12
- 230000007704 transition Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000004804 winding Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H17/00—Toy vehicles, e.g. with self-drive; ; Cranes, winches or the like; Accessories therefor
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H17/00—Toy vehicles, e.g. with self-drive; ; Cranes, winches or the like; Accessories therefor
- A63H17/26—Details; Accessories
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H29/00—Drive mechanisms for toys in general
- A63H29/08—Driving mechanisms actuated by balls or weights
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H29/00—Drive mechanisms for toys in general
- A63H29/24—Details or accessories for drive mechanisms, e.g. means for winding-up or starting toy engines
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H31/00—Gearing for toys
- A63H31/08—Gear-control mechanisms; Gears for imparting a reciprocating motion
Landscapes
- Rehabilitation Tools (AREA)
- Handcart (AREA)
Abstract
The invention relates to a carbon-free trolley capable of walking and sealing an 8 shape, which comprises a bottom plate, upright posts, front wheels and rear wheels, wherein the bottom plate is provided with a plurality of support wheels; the upright posts are vertically arranged on the bottom plate; the front wheels are connected to the middle position of the front end of the bottom plate in a swinging way through the adjusting frame, and a steering mechanism for steering the front wheels by pushing the adjusting frame to swing is arranged on the bottom plate at the position corresponding to the adjusting frame; the two rear wheels are arranged on two sides of the rear end of the bottom plate through rear shafts; the upright post is provided with a driving device which drives the rear wheels to rotate through gravitational potential energy and simultaneously drives the front wheels to turn through the steering mechanism so as to enable the carbonless trolley to walk and seal an 8-shaped track. The beneficial effects of the invention are as follows: the structure is simple, the cost is low, and the processing and the assembly are easy; the motion pair is less, the resistance is small, the energy consumption is low, more 8-shaped can be walked, the advancing process is stable, the adjusting function is convenient, and more tracks passing through piles can be generated.
Description
Technical Field
The invention relates to the field of carbonless trolleys, in particular to a carbonless trolley capable of walking and sealing an 8 shape.
Background
The carbon-free trolley is a three-wheel rear-drive trolley with continuous obstacle avoidance function by using gravitational potential energy as driving energy. The idea of no carbon is getting more and more attention in the face of the reduction of coal resources. The principle is that the heavy hammer is lifted to a specified height and falls down automatically under the action of gravity, the heavy hammer is connected with a flexible rope, the pulling force direction is changed through a movable pulley, the other end of the flexible rope is connected with a trolley transmission shaft, potential energy is converted into mechanical energy, and therefore the trolley is driven to move forward to avoid obstacles and move out of an 8-shaped pattern. Because gravitational potential energy is the only energy, there is no other source of energy for the steering mechanism to complete the action, and energy must be extracted in association with the drive mechanism.
In order to adapt to different pile distances, the common carbon-free trolley has a plurality of defects, has a complex structure, is difficult to process, is inflexible in weight of the vehicle body, is easy to slip when turning at a large angle, has low precision adjustment and high energy consumption, and cannot meet the requirement of actual use.
Disclosure of Invention
In summary, in order to overcome the defects of the prior art, the invention aims to solve the problems of complex structure, difficult processing, poor flexibility, easy slippage during large-angle turning and low precision adjustment of the existing carbon-free trolley, and aims to provide the carbon-free trolley capable of walking in a closed 8 shape.
The technical scheme for solving the technical problems is as follows: a carbon-free trolley capable of walking and sealing in an 8 shape comprises a bottom plate, upright posts, front wheels and rear wheels; the upright posts are vertically arranged on the bottom plate; the front wheels are connected to the middle position of the front end of the bottom plate in a swinging way through the adjusting frame, and a steering mechanism for steering the front wheels by pushing the adjusting frame to swing is arranged on the bottom plate at the position corresponding to the adjusting frame; the two rear wheels are arranged on two sides of the rear end of the bottom plate through rear shafts; the upright post is provided with a driving device which drives the rear wheels to rotate through gravitational potential energy and simultaneously drives the front wheels to turn through the steering mechanism so as to enable the carbonless trolley to walk and seal an 8-shaped track.
The beneficial effects of the invention are as follows: the structure is simple, the cost is low, and the processing and the assembly are easy; the motion pair is less, the resistance is small, the energy consumption is low, more 8-shaped can be walked, the advancing process is stable, the adjusting function is convenient, and more tracks passing through piles can be generated.
Based on the technical scheme, the invention can also be improved as follows:
Further, the driving device comprises a fixed frame, a front shaft, a reel and a flexible rope; the fixed frame is positioned at the top of the upright post, and a fixed pulley is arranged on the fixed frame through a fixed pulley seat; the front shaft is rotatably arranged at the front part of the bottom plate, and the reel is fixed at the middle part of the front shaft; a large gear which is linked with the front shaft and used for driving the rear shaft to rotate is arranged on the bottom plate at a position corresponding to one side of the front shaft; one end of the flexible rope is wound on the winding wheel, and the other end of the flexible rope upwards bypasses the fixed pulley and then is downwards connected with a heavy hammer which converts gravitational potential energy into kinetic energy of the winding wheel.
Further, a pinion is fixed on the rear shaft, and the pinion is driven to rotate by the large gear through a transition gear.
The beneficial effect of adopting the further scheme is that: realize driving the carbonless trolley to advance through gravitational potential energy.
Further, the steering mechanism comprises a cam, a support frame and a spring; a flange which horizontally extends out from one side of the adjusting frame and is back to the direction of the large gear is arranged on one side of the adjusting frame, an adjusting shaft is axially slidably arranged on the flange, an adjusting screw is arranged on the bottom plate at a position right behind the adjusting shaft, two ends of the spring are respectively connected to the adjusting shaft and the adjusting screw, and the spring stretches to enable the adjusting frame to deflect towards one side back to the large gear so as to keep the front wheel in a steering state;
The cam is fixed at one end of the front shaft, which is far away from the large gear, and the support frame is fixedly connected to the position of the bottom plate, which corresponds to the cam; the support frame is provided with a guide rail, a sliding block is slidably arranged on the guide rail, and a support block is arranged on the sliding block; the side of the supporting block, which is close to the cam, is provided with a first guide pillar which is attached to the periphery of the cam, and the side of the supporting block, which is far away from the cam, is provided with a second guide pillar which stretches the spring and pushes the adjusting shaft to swing the adjusting frame to enable the front wheel to turn.
The beneficial effect of adopting the further scheme is that: the carbon-free trolley is driven to turn through gravitational potential energy to walk a closed 8-shaped track.
Further, a key groove is formed in the flange, and the adjusting shaft is fixed at different positions in the key groove through screws to adjust the stretching force of the spring so as to realize the force sealing of the first guide pillar to the cam.
The beneficial effects of adopting the further scheme are as follows: the initial steering swing angle of the front wheel and the initial length of the spring are adjusted so that the trolley is adapted to different pile distances and travels according to a preset track.
Drawings
FIG. 1 is a three-dimensional view of the overall structure of the present invention;
FIG. 2 is a three-dimensional view of the invention with the posts and mounts removed.
In the drawings, the list of components represented by the various numbers is as follows:
1. bottom plate, 2, stand, 3, front wheel, 4, rear wheel, 5, alignment jig, 6, rear axle, 7, mount, 8, front axle, 9, reel, 10, flexible rope, 11, pulley seat, 12, pulley, 13, gear wheel, 14, weight, 15, pinion, 16, cam, 17, support frame, 18, transition gear, 19, spring, 20, alignment axle, 21, adjusting screw, 22, guide rail, 23, slider, 24, supporting shoe, 25, first guide pillar, 26, second guide pillar, 27, keyway.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1 and 2, a carbon-free trolley capable of walking in a closed 8 shape comprises a bottom plate 1, an upright post 2, a front wheel 3 and a rear wheel 4; the upright posts 2 are vertically arranged on the bottom plate 1; the front wheel 3 is connected with the middle position of the front end of the bottom plate 1 in a swinging way through an adjusting frame 5, and a steering mechanism for steering the front wheel 3 by pushing the adjusting frame 5 to swing is arranged on the bottom plate 1 at the position corresponding to the adjusting frame 5; two rear wheels 4 are arranged, and the two rear wheels 4 are arranged on two sides of the rear end of the bottom plate 1 through rear shafts 6; the upright post 2 is provided with a driving device which drives the rear wheel 4 to rotate through gravitational potential energy and simultaneously drives the front wheel 3 to turn through the steering mechanism so as to enable the carbonless trolley to walk to form a closed 8-shaped track.
The driving device comprises a fixed frame 7, a front shaft 8, a reel 9 and a flexible rope 10; the fixed frame 7 is positioned at the top of the upright post 2, and a fixed pulley 12 is arranged on the fixed frame 7 through a fixed pulley seat 11; the front axle 8 is rotatably arranged at the front part of the bottom plate 1, and the reel 9 is fixed at the middle part of the front axle 8; a large gear 13 which is linked with the front shaft 8 and is used for driving the rear shaft 6 to rotate is arranged on the bottom plate 1 at a position corresponding to one side of the front shaft 8, a small gear 15 is fixed on the rear shaft 6, and the large gear 13 drives the small gear 15 to rotate through a transition gear 18. One end of the flexible cord 10 is wound around the reel 9, and the other end of the flexible cord is wound around the fixed pulley 12 upwards and then connected with a weight 14 which converts gravitational potential energy into kinetic energy of the reel 9 downwards.
The steering mechanism comprises a cam 16, a support frame 17 and a spring 19; one side of the adjusting frame 5 is provided with a flange which horizontally extends back to the direction of the large gear 13, and an adjusting shaft 20 is axially slidably arranged on the flange, specifically as follows: the flange is provided with a key groove 27, and the adjusting shaft 20 is fixed at different positions in the key groove 27 through screws to adjust the stretching force of the spring 19 to be matched with the force sealing thrust of the cam 16. An adjusting screw 21 is arranged on the bottom plate 1 at a position right behind the adjusting shaft 20, two ends of the spring 19 are respectively connected to the adjusting shaft 20 and the adjusting screw 21, and the spring 19 stretches to enable the adjusting frame 5 to deflect towards one side opposite to the large gear 13 so as to keep the horizontal radial direction of the front wheel 3 to form a certain angle with the axial direction of the bottom plate 1. The cam 16 is fixed at one end of the front shaft 8 away from the large gear 13, and the supporting frame 17 is positioned on the bottom plate 1 at a position corresponding to the cam 16; a guide rail 22 is arranged on the support frame 17, a sliding block 23 is slidably arranged on the guide rail 22, and a support block 24 is arranged on the sliding block 23; a first guide post 25 attached to the periphery of the cam 16 is arranged on one side of the support block 24, which is close to the cam 16, and a second guide post 26 which stretches the spring 19 and pushes the adjusting shaft 20 to swing the adjusting frame 5 to turn the front wheel 3 is arranged on one side of the support block, which is far away from the cam 16.
The following describes the process of the carbonless cart traveling a closed "8" shaped track:
Initially, the weight 14 is positioned at the top of the upright post 2, then the weight 14 falls, the winding wheel 9 is pulled to rotate through the flexible rope 10 in the falling process of the weight 14, the winding wheel 9 rotates to drive the rear wheel 4 through the front shaft 8, the large gear 13, the transition gear 18, the small gear 15 and the rear shaft 6 in sequence, namely, the winding wheel 9 rotates to drive the front shaft 8 to rotate, the front shaft 8 rotates to drive the large gear 13 to synchronously rotate, the large gear 13 drives the small gear 15 to rotate through the transition gear 18, and the small gear 15 rotates to drive the rear wheel 4 to rotate through the rear shaft 6, so that the forward running of the trolley is finally realized. While the trolley advances forwards, the steering mechanism synchronously operates, and the steering mechanism specifically comprises the following steps: the reel 9 drives the rear wheel 4 to rotate, the cam 16 is driven to rotate by the front shaft 8 in the other transmission direction, the sliding block 23 is pushed to slide along the guide rail 22 by the first guide pillar 25 in the rotating process of the cam 16, the adjusting shaft 20 is pushed to swing by the second guide pillar 26 after the sliding block 23 slides, the adjusting shaft 20 swings back and forth under the action of the spring 19, the steering of the front wheel 3 is realized by the adjusting frame 5 after the adjusting shaft 20 swings back and forth repeatedly, the relative position of the second guide pillar 26 relative to the adjusting shaft 20 is adjusted by a related instrument with the accuracy of 0.01 so as to adjust the initial rotation angle of the front wheel 3, and the tensile force of the spring 19 is adjusted to be matched with the force sealing thrust of the cam 16 by fixing the different positions in the key groove 27, so that the carbonless trolley can finally walk out of a sealed 8-shaped track according to the expected running.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (3)
1. The carbon-free trolley capable of walking in a closed 8 shape is characterized by comprising a bottom plate (1), an upright post (2), a front wheel (3) and a rear wheel (4); the upright post (2) is vertically arranged on the bottom plate (1); the front wheel (3) is connected with the middle position of the front end of the bottom plate (1) in a swinging way through an adjusting frame (5), and a steering mechanism which steers the front wheel (3) by pushing the adjusting frame (5) to swing is arranged on the bottom plate (1) at the position corresponding to the adjusting frame (5); two rear wheels (4) are arranged, and the two rear wheels (4) are arranged on two sides of the rear end of the bottom plate (1) through rear shafts (6); the upright post (2) is provided with a driving device which drives the rear wheel (4) to rotate through gravitational potential energy and simultaneously drives the front wheel (3) to turn through the steering mechanism so as to enable the carbonless trolley to walk to form a closed 8-shaped track;
The driving device comprises a fixing frame (7), a front shaft (8), a reel (9) and a flexible rope (10); the fixed frame (7) is positioned at the top of the upright post (2), and a fixed pulley (12) is arranged on the fixed frame (7) through a fixed pulley seat (11); the front axle (8) is rotatably arranged at the front part of the bottom plate (1), and the reel (9) is fixed at the middle part of the front axle (8); a large gear (13) which is linked with the front shaft (8) and is used for driving the rear shaft (6) to rotate is arranged on the bottom plate (1) at a position corresponding to one side of the front shaft (8); one end of the flexible rope (10) is wound on the reel (9), and the other end of the flexible rope upwards bypasses the fixed pulley (12) and then is downwards connected with a heavy hammer (14) which converts gravitational potential energy into kinetic energy of the reel (9);
The steering mechanism comprises a cam (16), a supporting frame (17) and a spring (19); a flange which horizontally extends out from one side of the adjusting frame (5) and faces away from the large gear (13) is arranged on the flange, an adjusting shaft (20) is axially slidably arranged on the flange, an adjusting screw (21) is arranged on the bottom plate (1) at a position right behind the adjusting shaft (20), two ends of the spring (19) are respectively connected to the adjusting shaft (20) and the adjusting screw (21), and the spring (19) stretches to enable the adjusting frame (5) to deflect towards one side of the large gear (13) and keep the front wheel (3) in a steering state;
The cam (16) is fixed at one end of the front shaft (8) far away from the large gear (13), and the supporting frame (17) is fixedly connected to the position of the bottom plate (1) corresponding to the cam (16); a guide rail (22) is arranged on the support frame (17), a sliding block (23) is slidably arranged on the guide rail (22), and a support block (24) is arranged on the sliding block (23); a first guide post (25) attached to the periphery of the cam (16) is arranged on one side, close to the cam (16), of the supporting block (24), and a second guide post (26) which stretches the spring (19) and pushes the adjusting shaft (20) to swing the adjusting frame (5) to enable the front wheel (3) to turn is arranged on one side, far away from the cam (16).
2. The carbon-free trolley capable of being closed in an 8 shape according to claim 1, wherein a pinion (15) is fixed on the rear axle (6), and the pinion (15) is driven to rotate by the large gear (13) through a transition gear (18).
3. The carbon-free trolley capable of being closed in an 8 shape according to claim 1, wherein a key groove (27) is formed in the flange, and the adjusting shaft (20) is fixed at different positions in the key groove (27) through screws to adjust the stretching force of the spring (19) so as to realize the force closure of the first guide pillar (25) to the cam (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711376739.2A CN108295482B (en) | 2017-12-19 | 2017-12-19 | Carbon-free trolley capable of walking and sealing in 8 shape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711376739.2A CN108295482B (en) | 2017-12-19 | 2017-12-19 | Carbon-free trolley capable of walking and sealing in 8 shape |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108295482A CN108295482A (en) | 2018-07-20 |
| CN108295482B true CN108295482B (en) | 2024-05-28 |
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ID=62870279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711376739.2A Active CN108295482B (en) | 2017-12-19 | 2017-12-19 | Carbon-free trolley capable of walking and sealing in 8 shape |
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| Country | Link |
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| CN (1) | CN108295482B (en) |
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| CN207614345U (en) * | 2017-12-19 | 2018-07-17 | 桂林电子科技大学 | It is a kind of to walk to close the carbon-free trolley of the figure of eight |
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2017
- 2017-12-19 CN CN201711376739.2A patent/CN108295482B/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108295482A (en) | 2018-07-20 |
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