CN110228540B - Crawler-type triangular/circular deformation wheel mechanism based on modified gears - Google Patents
Crawler-type triangular/circular deformation wheel mechanism based on modified gears Download PDFInfo
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- CN110228540B CN110228540B CN201910410045.9A CN201910410045A CN110228540B CN 110228540 B CN110228540 B CN 110228540B CN 201910410045 A CN201910410045 A CN 201910410045A CN 110228540 B CN110228540 B CN 110228540B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/04—Endless track vehicles with tracks and alternative ground wheels, e.g. changeable from endless track vehicle into wheeled vehicle and vice versa
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Abstract
The invention discloses a track type triangular/circular deformation wheel mechanism based on a modified gear, which comprises a triangular frame cover, wherein the center of the frame cover is connected with a main shaft through a bearing, a sliding cylinder is sleeved on the main shaft, the outer wall of the sliding cylinder is sleeved with a cam through the bearing, the cam is connected with a second transmission small disc through a pin shaft, the second transmission small disc is connected with a first transmission small disc, the first transmission small disc is connected with a roller, the track type deformation wheel mechanism further comprises a triangular middle frame and a frame, one end of the sliding cylinder sequentially penetrates through the center of the frame and the center of the middle frame, the upper part of one end of the sliding cylinder penetrating through the middle frame is connected with a middle gear through the bearing, the top end of the sliding cylinder is connected with the frame, three transmission small teeth are uniformly distributed on the upper surface of the middle frame along the circumferential edge, two jacking blades are arranged on each edge of the frame, and fixed small teeth are fixed on the frame through the pin shaft. The tire mechanism combines the characteristics of the crawler type three-caster wheel and the advantages of the round wheel, so that the tire mechanism can change the shape and the performance of the tire on different road sections.
Description
Technical Field
The invention belongs to the technical field of deformation wheel equipment, and particularly relates to a crawler-type triangular/circular deformation wheel mechanism based on a modified gear.
Background
The crawler-type vehicles, such as tanks, have the characteristics of small pressure intensity, large grabbing force and the like which are beneficial to cross country by virtue of the 'infinite track' design of the crawler; however, wheeled vehicles are faster on the road surface, typically at least 1/3 faster than crawlers, and are less wearing and easier to maintain. Combining the advantages of the triangular track tires with those of the normal circular tires, makes one tire simultaneously possess the excellent off-road ability of the triangular track tire and the excellent running speed and motion stability of the normal circular tire, which theoretically makes the tire suitable for 95% of the terrain, the speed is more elevated by 100%, and the design of the tire can make the road traffic easier and safer, because the track type configuration can better pull the vehicle to run in mud, sand and snow, and the wheel mode allows the vehicle to run on hard surfaces at high speed. A quick switch between the two would allow the driver and passenger to more easily handle various terrains without being blocked by obstacles or getting stuck in a soft road.
Disclosure of Invention
The invention aims to provide a track type triangular/circular deformation wheel mechanism based on a modified gear, which adopts mechanical mechanism modification to enable a tire to freely change between a circular shape and a track type triangular shape.
The invention adopts the technical scheme that the crawler-type triangular/circular deformation wheel mechanism based on the modified gear comprises a triangular frame cover, a middle frame and a frame, wherein the center of the frame cover is connected with a main shaft through a bearing, a sliding barrel is sleeved on the main shaft, the outer wall of the sliding barrel is sleeved with a cam through the bearing, the cam is connected with second small transmission discs through a pin shaft, the second small transmission discs are provided with three parts which are uniformly distributed along the circumferential edge of the bottom of the cam, each second small transmission disc is horizontally connected with a first small transmission disc, each first small transmission disc is horizontally connected with a roller, each roller is positioned at three corners of the frame cover, the bottoms of each second small transmission disc, the first small transmission disc and the roller are connected through a large transmission rod, the upper parts of each second small transmission disc, the first small transmission disc and the roller are connected through a three-disc connecting rod, one end of the sliding barrel sequentially passes through the centers of the frame and the middle frame, the upper part of one end of the sliding cylinder penetrating through the middle rack is connected with an intermediate gear through a bearing, and the top end of the sliding cylinder is connected with the rack.
The present invention is also characterized in that,
three transmission small teeth are evenly distributed on the upper surface of the middle rack along the circumferential edge, fixed small teeth are fixed on the rack through a pin shaft, the fixed small teeth are three and evenly distributed, and the transmission small teeth and the fixed small teeth can be meshed with the middle gear.
Each edge of the rack is provided with two top blades, and the rack is connected with the top blades, the middle rack, the three-disk connecting rods and the rollers through main pin shafts.
The small transmission teeth are connected with the middle rack, the cam and the second small transmission disc through pin shafts.
The second small transmission disc, the first small transmission disc and the roller are fixedly connected with the large transmission rod through pin shafts.
The roller is fixedly connected with the first transmission small disc and the second transmission small disc through the pin shaft by the three-disc connecting rod.
The beneficial effect of the invention is that,
the tyre mechanism combines the characteristics of the crawler type three-caster wheel and the advantages of the circular wheel, so that the tyre shape and performance can be changed on different road sections, the three-caster wheel can provide enough power under the condition of poor road conditions, the tyre mechanism is characterized by slow speed, stability and sufficient power, the circular wheel can provide enough speed for a vehicle on a stable road section, the tyre mechanism has the advantage of higher speed, and the purpose of adapting to different road sections is achieved by combining the advantages of the two wheels.
Drawings
FIG. 1 is an exploded view of a track type triangular/circular deforming wheel mechanism based on modified gears according to the present invention;
FIG. 2 is a schematic structural diagram (I) of a crawler-type triangular/circular deformation wheel mechanism based on modified gears according to the invention;
FIG. 3 is a right side view of a tracked triangular/circular deforming wheel mechanism based on modified gears of the present invention;
FIG. 4 is a schematic structural diagram (II) of a crawler-type triangular/circular deformation wheel mechanism based on modified gears according to the invention;
FIG. 5 is a schematic diagram of the connection between a sliding barrel and an intermediate gear in the track type triangular/circular deforming wheel mechanism based on the modified gear.
In the figure, 1, a roller, 2, a large transmission rod, 3, a first small transmission disk, 4, a second small transmission disk, 5, a cam, 6, a middle frame, 7, a main shaft, 8, a frame, 9, a small fixed tooth, 10, a top blade, 11, a main pin shaft, 12, a three-disk connecting rod, 13, a frame cover, 14, a small transmission tooth, 15, an intermediate gear and 16, a sliding barrel are arranged.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention relates to a crawler-type triangular/circular deformation wheel mechanism based on a modified gear, which comprises a triangular frame cover 13, wherein the center of the frame cover 13 is connected with a main shaft 7 through a bearing, a sliding barrel 16 is sleeved on the main shaft 7, the sliding barrel 16 is connected with the main shaft 7 through the bearing, the outer wall of the sliding barrel 16 is sleeved with a cam 5 through the bearing, the crawler-type triangular/circular deformation wheel mechanism further comprises a worm gear mechanism, the worm gear mechanism is meshed with the cam 5 through a gear, an arc-shaped notch is formed in the cam 5, the cam 5 is connected with a second small transmission disc 4 through a pin shaft, the second small transmission disc 4 is provided with three small transmission discs which are uniformly distributed along the circumferential edge of the bottom of the cam 5, each second small transmission disc 4 is horizontally connected with a first small transmission disc 3, each first small transmission disc 3 is horizontally connected with a roller 1, the rollers 1 are positioned at three corners of the frame cover 13, each roller 1 retracts towards the center of the frame cover 13 through the arc-shaped notch, the bottom of each second small transmission disc 4 and the bottom of each first small transmission disc 3 are connected with the corresponding roller 1 through a large transmission rod 2, and the second small transmission discs 4, the first small transmission discs 3, the rollers 1 and the large transmission rods 2 are fixedly connected through pin shafts; each second transmission small disc 4, the upper part of the first transmission small disc 3 and the roller 1 are connected through a three-disc connecting rod 12, and the roller 1 is fixedly connected with the first transmission small disc 3 and the second transmission small disc 4 through a pin shaft by the three-disc connecting rod 12;
as shown in fig. 3 and 4, the electric power transmission device further comprises a triangular middle frame 6 and a triangular frame 8, wherein the middle frame 6 is matched with the frame 8, a frame cover 13 is matched with the middle frame 6, one end of a sliding barrel 16 sequentially penetrates through the center of the frame 8 and the middle frame 6, the sliding barrel 16 penetrates through the upper part of one end of the middle frame 6 and is connected with an intermediate gear 15 through a bearing, as shown in fig. 5, the top end of the sliding barrel 16 is connected with the frame 8, three small transmission teeth 14 are uniformly distributed on the upper surface of the middle frame 6 along the circumferential edge, the small transmission teeth 14 can be meshed with the intermediate gear 15, the small transmission teeth 14 are connected with the middle frame 6, a cam 5 and a second small transmission disc 4 through pin shafts, the small transmission teeth 14 are fixedly connected with the second small transmission disc 4 through pin shafts to rotate at the same rotating speed, and the pin shafts are limited through arc-shaped notches of the middle frame 6 and the cam 5;
two top blades 10 are arranged on each edge of the rack 8, the top blades 10 are connected with the rack 8 through hydraulic rods, and the two top blades 10 on the adjacent edges are symmetrically distributed; the rack 8 is fixed with three small fixed teeth 9 through a pin shaft, the three small fixed teeth 9 are uniformly distributed, the small fixed teeth 9 can be meshed with the intermediate gear 15, the rack 8 is connected with the top blade 10, the middle rack 6, the three-disc connecting rod 12 and the roller 1 through a main pin shaft 11, and the three main pin shafts 11 are all positioned at the edge of the rack 8;
the invention relates to a triangular/circular wheel-track deformable wheel mechanism, which specifically adopts the working principle that: when the wheel is required to be changed from a circular shape to a triangular shape, the cam 5 rotates anticlockwise through torque force provided by the turbine motor, the three-disc connecting rod 12 is opened through the pin shaft, the three-disc connecting rod 12 moves to drive the roller 1, the first small transmission disc 3, the second small transmission disc 4 and the main pin shaft 11 to move towards the periphery, and finally the roller, the first small transmission disc 3, the second small transmission disc 4 and the main pin shaft 11 reach a mechanical dead point to stop, and meanwhile, as the main pin shaft 11 moves towards the periphery and the hydraulic rod retracts, the top blade 10 retracts into the rack, finally the wheel is opened into a triangular shape, the main shaft 7 provides torque force for the intermediate gear 15 through keys, the sliding barrel 16 is pulled downwards, the intermediate gear 15 is meshed with the small transmission teeth 14 to provide torque for the transmission gear 14, after the small transmission teeth 14 provide torque for the second small transmission disc 4 through the pin shaft, the second small transmission disc 4 rotates to drive the large transmission rod 2 to rotate, and the large transmission rod 2 rotates to enable the first small transmission disc 3, The roller 1 rotates, and the roller 1 rotates to drive the periodic belt to move, so that the purpose of triangular wheel movement is achieved.
When the wheel needs to be changed from the triangular shape to the circular shape, the cam 5 rotates clockwise through the torque force provided by the turbine motor, the three-disc connecting rod 12 retracts through the pin shaft, the three-disc connecting rod 12 moves to drive the roller 1, the first transmission small disc 3, the second transmission small disc 4 and the main pin shaft 11 to move inwards, finally, the roller 1 is stopped at a mechanical dead point, the roller 1 correspondingly retracts for a certain distance to reach a supporting position point required by the circular tire, meanwhile, the top leaf 10 slowly jacks one end of the top leaf through the hydraulic rod, one end of the top leaf 10 correspondingly retracts for a certain distance due to the retraction of the main pin shaft 11, finally, as shown in figure 4, the unfolding pattern of the top leaf is close to the circular shape, the sliding cylinder 16 is pulled upwards, the middle gear 15 is meshed with the fixed small teeth 9, the middle gear 15 rotates to drive the fixed small teeth 9 to do planetary motion around the middle gear 15, and the fixed small teeth 9 drive the rack 8 to start to rotate around the main shaft 7, the frame 8 drives the top blade 10, the middle frame 6, the frame cover 13 and a series of mechanisms connected with the frame cover to rotate around the main shaft 7 through the main pin shaft 11, so that the purpose of moving when the wheels are circular is achieved.
The tyre mechanism combines the characteristics of the crawler type three-caster wheel and the advantages of the circular wheel, so that the tyre shape and performance can be changed on different road sections, the three-caster wheel can provide enough power under the condition of poor road conditions, the tyre mechanism is characterized by slow speed, stability and sufficient power, the circular wheel can provide enough speed for a vehicle on a stable road section, the tyre mechanism has the advantage of higher speed, and the purpose of adapting to different road sections is achieved by combining the advantages of the two wheels.
Claims (3)
1. The crawler-type triangular/circular deformation wheel mechanism based on the modified gears is characterized by comprising a triangular frame cover (13), a middle frame (6) and a frame (8), wherein the center of the frame cover (13) is connected with a main shaft (7) through a bearing, the main shaft (7) is sleeved with a sliding barrel (16), the outer wall of the sliding barrel (16) is sleeved with a cam (5) through the bearing, the cam (5) is connected with a second transmission small disc (4) through a pin shaft, the second transmission small disc (4) is provided with three parts and uniformly distributed along the circumferential edge of the bottom of the cam (5), and each part is connected with a first transmission small disc (3) in a horizontal mode through the second transmission small disc (4) and is connected with a roller (1) in a horizontal mode through the first transmission small disc (3) and is located at three corners of the frame cover (13) through the roller (1), and each part is connected with the second transmission small disc (4), The bottoms of the first small transmission discs (3) and the idler wheels (1) are connected through a large transmission rod (2), each second small transmission disc (4), the upper portion of the first small transmission disc (3) and the idler wheel (1) are connected through a three-disc connecting rod (12), one end of a sliding cylinder (16) sequentially penetrates through the center of the rack (8) and the center of the middle rack (6), the upper portion of one end, penetrating through the middle rack (6), of the sliding cylinder (16) is connected with a middle gear (15) through a bearing, and the top end of the sliding cylinder (16) is connected with the rack (8);
three small transmission teeth (14) are uniformly distributed on the upper surface of the middle rack (6) along the circumferential edge, the rack (8) is fixed with three small fixed teeth (9) through pin shafts, the three small fixed teeth (9) are uniformly distributed, and the small transmission teeth (14) and the small fixed teeth (9) can be meshed with the middle gear (15); each edge of the rack (8) is provided with two top blades (10), and the rack (8) is connected with the top blades (10), the middle rack (6), the three-disc connecting rod (12) and the roller (1) through a main pin shaft (11); the small transmission teeth (14) are connected with the middle rack (6), the cam (5) and the second small transmission disc (4) through pin shafts.
2. The crawler-type triangular/circular deformation wheel mechanism based on the modified gears is characterized in that the second small transmission disc (4), the first small transmission disc (3), the roller (1) and the large transmission rod (2) are fixedly connected through pin shafts.
3. The crawler-type triangular/circular deformation wheel mechanism based on the modified gears is characterized in that the three-disc connecting rod (12) fixedly connects the roller (1) with the first transmission small disc (3) and the second transmission small disc (4) through pin shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910410045.9A CN110228540B (en) | 2019-05-17 | 2019-05-17 | Crawler-type triangular/circular deformation wheel mechanism based on modified gears |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910410045.9A CN110228540B (en) | 2019-05-17 | 2019-05-17 | Crawler-type triangular/circular deformation wheel mechanism based on modified gears |
Publications (2)
| Publication Number | Publication Date |
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| CN110228540A CN110228540A (en) | 2019-09-13 |
| CN110228540B true CN110228540B (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910410045.9A Expired - Fee Related CN110228540B (en) | 2019-05-17 | 2019-05-17 | Crawler-type triangular/circular deformation wheel mechanism based on modified gears |
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| CN110946717B (en) * | 2019-12-19 | 2021-05-18 | 吉林大学 | A rehabilitation training device for gynaecology and obstetrics's nursing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100995650B1 (en) * | 2009-01-30 | 2010-11-19 | (주)아이엠테크놀로지 | Adjustable driving wheel |
| CN105620191B (en) * | 2014-12-10 | 2017-12-08 | 长乐巧通工业设计有限公司 | Track wheel device |
| CN105774394B (en) * | 2016-04-08 | 2018-10-09 | 重庆大学 | Mobile robot with deformation wheel |
| KR20180074871A (en) * | 2016-12-23 | 2018-07-04 | 한밭대학교 산학협력단 | Segway equipped with wheel-leg assembly |
| CN207825828U (en) * | 2017-09-29 | 2018-09-07 | 天津市泉龙工贸有限公司 | A kind of three Planetary wheel architectures |
| CN109649077A (en) * | 2019-01-15 | 2019-04-19 | 山东科技大学 | A kind of full terrain self-adaptive wheel is carried out and its application |
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Granted publication date: 20210720 |