CN219686958U - Variable-diameter obstacle crossing tire, variable-diameter obstacle crossing system and variable-diameter obstacle crossing vehicle - Google Patents
Variable-diameter obstacle crossing tire, variable-diameter obstacle crossing system and variable-diameter obstacle crossing vehicle Download PDFInfo
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- CN219686958U CN219686958U CN202321045963.4U CN202321045963U CN219686958U CN 219686958 U CN219686958 U CN 219686958U CN 202321045963 U CN202321045963 U CN 202321045963U CN 219686958 U CN219686958 U CN 219686958U
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- 230000005540 biological transmission Effects 0.000 claims description 28
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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Abstract
The utility model discloses a variable-diameter obstacle crossing tire, which comprises a first wheel disc, a second wheel disc and an outer wheel rim, wherein the first wheel disc, the second wheel disc and the outer wheel rim are coaxially arranged, the outer wheel rim is formed by circumferentially splicing a plurality of split arc edges, a plurality of first wheel disc supports are uniformly arranged at intervals on the periphery of the first wheel disc, the first wheel disc supports are in one-to-one correspondence with the split arc edges, one end of each first wheel disc support is fixed with the first wheel disc, the other end of each first wheel disc support is rotationally connected with the split arc edges, the second wheel disc supports are uniformly arranged at intervals on the periphery of the second wheel disc, each second wheel disc support comprises a first wheel disc support and a second wheel disc support which form an included angle with each other, and the distance between the second wheel disc and the split arc edges is changed through the angle change of the first wheel disc supports and the second wheel disc supports; also discloses a variable-diameter obstacle crossing system and a variable-diameter obstacle crossing vehicle adopting the variable-diameter obstacle crossing tire. The device can adapt to various working environments, and can directly adjust the form of the rim on line according to the change of the working environments.
Description
Technical Field
The utility model relates to the technical field of mechanical structures, in particular to a variable-diameter obstacle crossing tire, a variable-diameter obstacle crossing system and a variable-diameter obstacle crossing vehicle.
Background
The conventional search and rescue machine vehicle is generally provided with universal off-road tires, and the adaptability to the terrain is enhanced in a widening and thickening mode, but different tires are often replaced or different search and rescue machine vehicles are directly replaced in the face of ruins of different degrees, so that the comprehensive adaptability is very poor.
Disclosure of Invention
The utility model aims to: in order to overcome the defects of the background art, the first aim of the utility model is to disclose a variable-diameter obstacle crossing tire, which can realize the change of the size and the shape of the tire through the relative rotation of a first wheel disc and a second wheel disc, and adapt to different working environments;
the second purpose is to realize whether the first wheel disc and the second wheel disc rotate relatively or not by using the clamping/separating of the electromagnetic clutch and the transmission shaft in the variable-diameter obstacle crossing system of the variable-diameter obstacle crossing tyre for public exploitation;
the second purpose is that the public exploitation uses the reducing obstacle crossing vehicle of the reducing obstacle crossing system.
The technical scheme is as follows: the utility model discloses a variable-diameter obstacle crossing tire, which comprises a first wheel disc, a second wheel disc and an outer wheel rim, wherein the first wheel disc, the second wheel disc and the outer wheel rim are coaxially arranged, the outer wheel rim is formed by circumferentially splicing a plurality of split arc edges with the same angle, gaps are reserved at the splicing ends, a plurality of first wheel disc supports are uniformly arranged at intervals on the periphery of the first wheel disc, one ends of the first wheel disc supports are in one-to-one correspondence with the split arc edges, the other ends of the first wheel disc supports are rotationally connected with the split arc edges, a plurality of second wheel disc supports are uniformly arranged at intervals on the periphery of the second wheel disc, the second wheel disc supports are in one-to-one correspondence with the split arc edges, each second wheel disc support comprises a first wheel disc support and a second wheel disc support which form included angles with each other, one end of each other is fixedly connected with the second wheel disc, the other end of each second wheel disc support is rotationally connected with one end of the second wheel disc support, and the distance change between the second wheel disc and the split arc edges is realized through the angle change of the first wheel disc support and the second wheel disc support;
the first wheel disc and the second wheel disc are coaxially driven, an independent driving piece is arranged on one wheel disc, and relative rotation of the two wheel discs can be achieved through independent driving of one wheel disc, so that angle adjustment of the first wheel disc support and the second wheel disc support is achieved, and switching of the outer wheel rim between a full circle state and a split arc edge state is achieved.
Furthermore, the outer wheel ring is formed by splicing three split arc edges.
Further, the split arc edge is of a groove structure with an opening in the inner ring wall, and the first wheel disc support and the second wheel disc support extend into the groove and are connected through rotating shafts.
The variable-diameter obstacle crossing system comprises the variable-diameter obstacle crossing tire, a motor, a first gear, a second gear, an electromagnetic clutch, a transmission shaft and a driven shaft sleeve, wherein one end of the transmission shaft penetrates through the first wheel disc, and is fixedly connected with the axis of the second wheel disc, the other end of the transmission shaft is fixedly provided with the first gear, the driving end of the motor is meshed with the first gear through the second gear to drive the first gear, the electromagnetic clutch is sleeved on the transmission shaft, and the electromagnetic clutch and the transmission shaft are clamped/separated through a key at the inner driving end of the electromagnetic clutch to realize synchronous rotation/relative movement of the electromagnetic clutch and the transmission shaft, and the driven shaft sleeve is fixedly sleeved on the electromagnetic clutch and extends to the first wheel disc to be fixedly connected with the first wheel disc;
when the electromagnetic clutch and the transmission shaft synchronously rotate, the motor drives the first wheel disc and the second wheel disc to synchronously rotate, and when the electromagnetic clutch and the transmission shaft relatively move, the first wheel disc and the second wheel disc relatively rotate to adjust the angle of the first wheel disc support and the second wheel disc support.
Further, the independent driving piece is a fixed bolt hole formed in the first wheel disc, and the driven shaft sleeve is fixed with the first wheel disc through the fixed bolt hole.
The variable-diameter obstacle crossing vehicle comprises a vehicle body, wherein two groups of variable-diameter obstacle crossing systems are respectively arranged on two sides of the vehicle body and are connected with a controller, so that synchronous operation of the variable-diameter obstacle crossing systems is realized.
Furthermore, transmission shafts in two groups of variable-diameter obstacle crossing systems on the same side of the vehicle body extend out of the vehicle body for different lengths, so that two outer wheels on the same side are arranged in a staggered mode.
The beneficial effects are that: compared with the prior art, the utility model has the advantages that:
1. the variable-diameter obstacle crossing tire can realize the change of the size and the shape of the tire through the relative rotation of the first wheel disc and the second wheel disc, and can provide various rim forms;
2. the variable-diameter obstacle crossing system can conveniently and stably adjust the relative positions of two wheel discs of the tire through a transmission assembly designed for the variable-diameter obstacle crossing tire;
3. the variable-diameter obstacle crossing vehicle is provided with a variable-diameter obstacle crossing system, can adapt to various working environments, and can directly adjust the form of the wheel rim on line according to the change of the working environments.
Drawings
FIG. 1 is a state diagram of a full-circle rim of a variable-diameter obstacle surmounting tire of the utility model;
FIG. 2 is a view showing the state of a split arc rim of the variable diameter obstacle surmounting tire of the present utility model;
FIG. 3 is an overall appearance of the variable diameter obstacle surmounting system of the present utility model;
FIG. 4 is a cross-sectional view of the variable diameter obstacle detouring system of the utility model;
FIG. 5 is a first view of the variable diameter obstacle detouring vehicle of the present utility model;
FIG. 6 is a schematic diagram of four sets of variable-diameter obstacle-surmounting systems arranged on the variable-diameter obstacle-surmounting vehicle of the present utility model;
fig. 7 is a second external view of the diameter-variable obstacle-surmounting vehicle of the present utility model.
Description of the embodiments
The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.
The variable-diameter obstacle crossing tire shown in fig. 1 and 2 comprises a first wheel disc 1, a second wheel disc 2 and an outer wheel ring 3 which are coaxially arranged, wherein the outer wheel ring 3 is formed by circumferentially splicing split arc edges 301 with the same angles, gaps exist at the spliced ends, three first wheel disc supports 101 are uniformly arranged at intervals on the periphery of the first wheel disc 1, one ends of the first wheel disc supports 101 are in one-to-one correspondence with the split arc edges 301, one ends of the first wheel disc supports are fixed with the first wheel disc 1, the other ends of the first wheel disc supports are in rotary connection with the split arc edges 301, three second wheel disc supports 201 are uniformly arranged at intervals on the periphery of the second wheel disc 2, the second wheel disc supports 201 are in one-to-one correspondence with the split arc edges 301, the second wheel disc supports 201 comprise a first wheel disc support 201-1 and a second wheel disc support 201-2 which form included angles, one ends of the second wheel disc supports 201-1 are fixed with the second wheel disc 2, the other ends of the second wheel disc supports 201-2 are in rotary connection with one ends of the second wheel disc supports 201-2, the other ends of the second wheel disc supports 201-2 are in rotary connection with the split arc edges 301, and the second wheel disc supports 201-2 change the angles with the second wheel disc supports 201-2 in a rotary mode.
The first wheel disc 1 and the second wheel disc 2 are coaxially driven, an independent driving piece is arranged on one wheel disc, and relative rotation of the two wheel discs can be achieved through independently driving one wheel disc, so that angle adjustment of the first 201-1 second wheel disc support and the second 201-2 second wheel disc support is achieved, switching of the outer wheel rim 3 between a full circle state and a split arc edge state is achieved, the split arc edge state has a larger outer diameter and a split supporting leg shape, and obstacle crossing capacity is stronger.
The split arc edge 301 is a groove structure with an opening on the inner ring wall, and the first wheel disc support 101 and the second wheel disc support 201 extend into the groove and are connected through rotating shafts.
The variable-diameter obstacle crossing system shown in fig. 3 and 4 comprises the variable-diameter obstacle crossing tire, and further comprises a motor 4, a first gear 5, a second gear 6, an electromagnetic clutch 7, a transmission shaft 8 and a driven shaft sleeve 9, wherein one end of the transmission shaft 8 penetrates through the first wheel disc 1, is fixedly connected with the axis of the second wheel disc 2, the other end of the transmission shaft 8 is fixedly provided with the first gear 5, the driving end of the motor 4 is meshed with the first gear 5 through the second gear 6 to drive the first gear, the electromagnetic clutch 7 is sleeved on the transmission shaft 8, and synchronous rotation/relative movement of the electromagnetic clutch 7 and the transmission shaft 8 is realized through the engagement/disengagement of a key at the driving end in the electromagnetic clutch 7, and the driven shaft sleeve 9 is fixedly sleeved on the electromagnetic clutch 7 and extends to the first wheel disc 1 to be fixedly connected with the first wheel disc 1. The independent driving piece is a fixed bolt hole 102 formed in the first wheel disc 1, and the driven shaft sleeve 9 is fixed with the first wheel disc 1 through the fixed bolt hole 102.
When the electromagnetic clutch 7 and the transmission shaft 8 synchronously rotate, the motor 4 drives the first wheel disc 1 and the second wheel disc 2 to synchronously rotate, and when the electromagnetic clutch 7 and the transmission shaft 8 relatively move, the first wheel disc 1 and the second wheel disc 2 relatively rotate to adjust the angles of the first wheel disc support 201-1 and the second wheel disc support 201-2.
The variable-diameter obstacle crossing vehicle shown in fig. 5 and 6 is used for a vehicle body and comprises a vehicle body 10, wherein two groups of variable-diameter obstacle crossing systems are respectively arranged on two sides of the vehicle body 10 and are connected with a controller, so that synchronous operation of the variable-diameter obstacle crossing systems is realized.
As shown in fig. 7, in order to prevent interference when the outer diameters of the rims of the variable-diameter obstacle-surmounting vehicles become larger, the transmission shafts 8 in the two variable-diameter obstacle-surmounting systems on the same side of the vehicle body 10 extend out of the vehicle body for different lengths, so that the two outer rims 3 on the same side are staggered.
Claims (7)
1. The utility model provides a reducing obstacle crossing tire which characterized in that: the device comprises a first wheel disc (1), a second wheel disc (2) and an outer wheel ring (3) which are coaxially arranged, wherein the outer wheel ring (3) is formed by circumferentially splicing a plurality of split arc edges (301) with the same angle, gaps exist at the spliced ends, a plurality of first wheel disc supports (101) are uniformly arranged at intervals on the periphery of the first wheel disc (1), the first wheel disc supports (101) are in one-to-one correspondence with the split arc edges (301), one end of each first wheel disc support is fixed with the first wheel disc (1), the other end of each first wheel disc support is rotationally connected with the split arc edge (301), a plurality of second wheel disc supports (201) are uniformly arranged at intervals on the periphery of the second wheel disc (2), the second wheel disc supports (201) are in one-to-one correspondence with the split arc edges (301), each second wheel disc support (201-1) and second wheel disc support (201-2) are arranged at intervals, one end of each second wheel disc support (201-1) is fixed with the second wheel disc (2), the other end of each second wheel disc support (201-2) is rotationally connected with the second wheel disc supports (201-2), and the second wheel disc supports (201-2) are in one-to one end of each second wheel disc support (201-2) and the second wheel disc supports (201-2) are in one-to be in one arc;
the first wheel disc (1) and the second wheel disc (2) are coaxially driven, an independent driving piece is arranged on one wheel disc, and relative rotation of the two wheel discs can be achieved through independent driving of one wheel disc, so that angle adjustment of a first wheel disc support (201-1) and a second wheel disc support (201-2) is achieved, and switching of the outer wheel rim (3) between a full-circle state and a split arc edge state is achieved.
2. The variable diameter obstacle surmounting tire of claim 1, wherein: the outer wheel ring (3) is formed by splicing three split arc edges (301).
3. The variable diameter obstacle surmounting tire of claim 1, wherein: the split arc edge (301) is of a groove type structure with an opening in the inner ring wall, and the first wheel disc support (101) and the second wheel disc support (201) extend into the groove and are connected in a rotating mode through a rotating shaft.
4. The utility model provides a reducing obstacle crossing system which characterized in that: the variable-diameter obstacle crossing tire comprises the variable-diameter obstacle crossing tire according to claim 1, and further comprises a motor (4), a first gear (5), a second gear (6), an electromagnetic clutch (7), a transmission shaft (8) and a driven shaft sleeve (9), wherein one end of the transmission shaft (8) penetrates through the first wheel disc (1), is fixedly connected with the axle center of the second wheel disc (2), the other end of the transmission shaft is fixedly provided with the first gear (5), the driving end of the motor (4) is meshed with the first gear (5) through the second gear (6) to drive the first gear, the electromagnetic clutch (7) is sleeved on the transmission shaft (8), and the electromagnetic clutch (7) is clamped with/separated from the transmission shaft (8) through a key at the inner driving end of the electromagnetic clutch (7), so that synchronous rotation/relative movement of the electromagnetic clutch (7) and the transmission shaft (8) is realized, and the driven shaft sleeve (9) is fixedly sleeved on the electromagnetic clutch (7) and extends to the first wheel disc (1) to be fixedly connected with the same;
when the electromagnetic clutch (7) and the transmission shaft (8) synchronously rotate, the motor (4) drives the first wheel disc (1) and the second wheel disc (2) to synchronously rotate, and when the electromagnetic clutch (7) and the transmission shaft (8) relatively move, the first wheel disc (1) and the second wheel disc (2) relatively rotate to adjust the angles of the first wheel disc support (201-1) and the second wheel disc support (201-2).
5. The variable diameter obstacle detouring system according to claim 4, wherein: the independent driving piece is a fixed bolt hole (102) formed in the first wheel disc (1), and the driven shaft sleeve (9) is fixed with the first wheel disc (1) through the fixed bolt hole (102).
6. The utility model provides a reducing obstacle crossing car which characterized in that: the variable-diameter obstacle crossing system comprises a vehicle body (10), wherein two groups of variable-diameter obstacle crossing systems according to claim 4 are respectively arranged on two sides of the vehicle body (10), and are connected with a controller to realize synchronous operation of the variable-diameter obstacle crossing systems.
7. The variable diameter obstacle detouring vehicle of claim 6, wherein: the transmission shafts (8) in the two groups of variable-diameter obstacle surmounting systems on the same side of the vehicle body (10) extend out of the vehicle body for different lengths, so that the two outer wheels (3) on the same side are arranged in a staggered mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321045963.4U CN219686958U (en) | 2023-05-05 | 2023-05-05 | Variable-diameter obstacle crossing tire, variable-diameter obstacle crossing system and variable-diameter obstacle crossing vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321045963.4U CN219686958U (en) | 2023-05-05 | 2023-05-05 | Variable-diameter obstacle crossing tire, variable-diameter obstacle crossing system and variable-diameter obstacle crossing vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219686958U true CN219686958U (en) | 2023-09-15 |
Family
ID=87962838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321045963.4U Active CN219686958U (en) | 2023-05-05 | 2023-05-05 | Variable-diameter obstacle crossing tire, variable-diameter obstacle crossing system and variable-diameter obstacle crossing vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219686958U (en) |
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2023
- 2023-05-05 CN CN202321045963.4U patent/CN219686958U/en active Active
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