Stair-climbing moving trolley with high trafficability

Abstract

The invention discloses a stair-climbing moving trolley with high trafficability, which belongs to the technical field of moving equipment and comprises a trolley body, a driving assembly and four groups of double-alternate climbing assemblies, the four sets of double-alternate climbing assemblies are installed on the vehicle body in a rectangular shape, and the driving assembly is in transmission connection with the vehicle body. The double alternate climbing assemblies comprise an alternate climbing assembly I and an alternate climbing assembly II; the first alternate climbing assembly and the second alternate climbing assembly are both installed on the vehicle body and located on the inner side and the outer side of the vehicle body correspondingly. In this way, the stair climbing function is achieved, and high passing performance is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of mobile equipment, and in particular to a stair-climbing mobile vehicle with strong passability. Background Art

[0002] Stair climbing mobile trolley is widely used in going up and down stairs.

[0003] Among many existing technologies, Chinese patent application CN105774867B discloses an electric trolley that can climb stairs, which includes a frame with a rotating shaft arranged at the lower front end, a push handle arranged at the upper rear end, and combined wheels arranged at both ends of the rotating shaft; a motor connected to the rotating shaft through a chain drive is arranged at the lower end of the frame; a button for controlling the rotation of the motor is arranged on the push handle; a vertically placed fixed frame is arranged at the rear end of the frame; a retractable adjustment frame with a spring pin on one side is arranged at the lower end of the fixed frame, and a through hole cooperating with the spring pin is also arranged at the lower end of the side of the fixed frame; a spring for moving the adjustment frame toward the inside of the fixed frame is also sleeved on the adjustment frame, and a combined wheel is arranged at the lower end of the adjustment frame, and a rotation positioning device is arranged on the adjustment frame.

[0004] However, this patent application has requirements on the height of each staircase. For higher stairs, its stair climbing function fails, so there is a problem of poor passing performance. At the same time, it is only used for climbing assistance and cannot be used as a driving force for traveling on flat ground.

[0005] Based on this, the present invention designs a stair climbing mobile vehicle with strong passability to solve the above problems. Summary of the invention

[0006] In view of the above-mentioned shortcomings of the prior art, the present invention provides a stair-climbing mobile vehicle with strong passability.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: A stair-climbing mobile vehicle with strong passability comprises a vehicle body and two sets of drive transmission components, and also comprises four sets of double alternating climbing components; Four sets of double alternating climbing assemblies are installed on the vehicle body in a rectangular shape, and two sets of driving transmission assemblies are installed on the vehicle body symmetrically, and the two sets of driving transmission assemblies drive the left and right sides of the vehicle body to run respectively; The double alternating climbing assembly comprises an alternating climbing assembly 1 and an alternating climbing assembly 2; The alternating climbing component 1 and the alternating climbing component 2 are both installed on the vehicle body, and the alternating climbing component 1 and the alternating climbing component 2 are respectively located on the inner side and the outer side of the vehicle body.

[0008] Furthermore, both the alternating climbing component 1 and the alternating climbing component 2 are equipped with climbing wheels.

[0009] Furthermore, the vehicle body includes a frame, four wheels, four rotating shafts 1, four rotating shafts 2, four rotating shafts 3 and four rotating shafts 4; The four wheels, the four rotating shafts 1, the four rotating shafts 2, the four rotating shafts 3 and the four rotating shafts 4 are all rotatably mounted on the frame in a rectangular shape, and the central axes of every two rotating shafts 1 and the two rotating shafts 3 are collinear, and the rotating shafts 3 are located at one end of the rotating shafts 1 close to the center of the frame, and the central axes of every two rotating shafts 2 and the two rotating shafts 4 are collinear, and the rotating shafts 2 are located at one end of the rotating shafts 2 close to the center of the frame; The second and fourth rotating shafts are located above the first and third rotating shafts, and the angle between the common perpendicular line of the central axis of the second rotating shaft and the central axis of the first rotating shaft and the horizontal plane is 60 degrees; Each wheel is fixedly connected to a rotating shaft; The wheels, the first rotating shaft and the second rotating shaft are all connected to the alternating climbing component 2; The rotating shaft three and the rotating shaft four are both connected to the alternating climbing component one; The driving transmission assembly is installed at the bottom of the frame, and the driving transmission assembly is connected to a rotating shaft located at the rear side of the frame.

[0010] Furthermore, the drive transmission assembly includes a drive assembly and a transmission assembly; The driving assembly is installed at the bottom of the frame, and the driving assembly is connected to the front and rear rotating shafts 1 and 3 on the same side through a transmission assembly, the rotating shafts 3 and 4 are connected through a transmission assembly, and the rotating shafts 1 and 3 are connected through a transmission assembly.

[0011] Furthermore, the drive assembly includes a motor and a drive shaft; The motor is fixedly mounted on the bottom of the frame, the output end of the motor is fixedly connected to the drive shaft, the drive shaft is rotatably connected to the bottom of the frame, and the drive shaft is transmission-connected to the front and rear rotating shafts 1 and 3 on the same side through a transmission assembly; The transmission assembly includes two sets of transmission devices one, two sets of transmission devices two, two sets of transmission devices three and two sets of transmission devices four. The drive shaft and the front and rear rotating shaft one on the same side are connected by two sets of transmission devices three, the drive shaft and the front and rear rotating shaft three on the same side are connected by two sets of transmission devices one, the rotating shaft three and the rotating shaft four are connected by transmission device two, and the rotating shaft one and the rotating shaft two are connected by transmission device four.

[0012] Furthermore, the alternating climbing assembly 1 includes a diamond-shaped turntable 1, a diamond-shaped turntable 2, a diamond-shaped turntable 3, a diamond-shaped turntable 4, a Y-shaped connecting rod 1 and a Y-shaped connecting rod 2; The diamond-shaped turntable three and the diamond-shaped turntable four are both fixedly connected to the rotating shaft four, and the diamond-shaped turntable three and the diamond-shaped turntable four are symmetrically arranged; The rhombus-shaped turntable 1 and the rhombus-shaped turntable 2 are both fixedly connected to the rotating shaft 3, and the rhombus-shaped turntable 1 and the rhombus-shaped turntable 2 are symmetrically arranged; The diamond turntable 1 and the diamond turntable 3 are on the same side, the diamond turntable 2 and the diamond turntable 4 are on the same side, and the diamond turntable 1 is located on the side of the diamond turntable 2 close to the center of the frame; The upper end of the diamond-shaped turntable four is hinged to the upper end of the Y-shaped connecting rod one; The rear side of the lower end of the Y-shaped connecting rod 1 is hinged to the upper end of the diamond-shaped rotating disk 2; The upper end of the Y-shaped connecting rod 2 is hinged to the lower end of the diamond-shaped rotating disk 3; The rear side of the lower end of the Y-shaped connecting rod 2 is hinged to the lower end of the diamond-shaped rotating disk 1.

[0013] Furthermore, the alternating climbing assembly 2 includes a diamond-shaped turntable 5, a diamond-shaped turntable 6, a diamond-shaped turntable 7, a Y-shaped connecting rod 3 and a Y-shaped connecting rod 4; The diamond-shaped turntable five is fixedly connected to the rotating shaft one, the diamond-shaped turntable six and the diamond-shaped turntable seven are symmetrically arranged and are both fixedly connected to the rotating shaft two, the rear side of the lower end of the Y-shaped connecting rod three is hinged to the side wall of the wheel, and the upper end of the Y-shaped connecting rod three is hinged to the rear end of the diamond-shaped turntable six; The upper end of the Y-shaped connecting rod four is hinged to the front end of the diamond-shaped rotating disk seven, and the rear side of the lower end of the Y-shaped connecting rod four is hinged to the front end of the diamond-shaped rotating disk five.

[0014] Furthermore, the front sides of the lower ends of the Y-shaped connecting rod three and the Y-shaped connecting rod four are both rotatably mounted with climbing wheels through one-way bearings; The front sides of the lower ends of the Y-shaped connecting rod 1 and the Y-shaped connecting rod 2 are both rotatably mounted with climbing wheels through one-way bearings.

[0015] Furthermore, the shapes and sizes of the diamond-shaped turntable one, the diamond-shaped turntable two, the diamond-shaped turntable three, the diamond-shaped turntable four, the diamond-shaped turntable five, the diamond-shaped turntable six, and the diamond-shaped turntable seven are all the same.

[0016] Furthermore, the Y-shaped connecting rod one, the Y-shaped connecting rod two, the Y-shaped connecting rod three and the Y-shaped connecting rod four are all the same in shape and size.

[0017] Compared with the prior art, the present invention has the following beneficial effects: 1. When the present invention is used, climbing stairs is achieved through the alternating climbing action of four sets of double alternating climbing components; On a flat road, the vehicle body is driven by the drive transmission assembly. When it is necessary to climb stairs, the vehicle body drives four sets of double alternating climbing assemblies to operate synchronously to climb stairs or overcome obstacles more smoothly.

[0018] 2. When passing through, the alternating pulling of the Y-shaped connecting rod 1 and the Y-shaped connecting rod 2 and the alternating pulling of the diamond turntable 4 and the Y-shaped connecting rod 4 simulates the action of a person's legs alternately going up the stairs, thereby achieving a stronger stair climbing performance. Each time, two or more of the sixteen climbing wheels lift the frame, thereby having a stronger stair climbing stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 The present invention is a three-dimensional stair climbing mobile vehicle with strong passability Figure 1 ; Figure 2 It is a front view of a stair climbing mobile vehicle with strong passability of the present invention; Figure 3 It is a left view of a stair climbing mobile vehicle with strong passability of the present invention; Figure 4 The present invention is a three-dimensional stair climbing mobile vehicle with strong passability Figure 2 ; Figure 5 For the present invention Figure 2 A three-dimensional image with a portion cut away in the AA direction; Figure 6 It is a three-dimensional diagram of the alternating climbing assembly 1 and the alternating climbing assembly 2 of the present invention; Figure 7 A three-dimensional diagram of an alternating climbing assembly 1 of the present invention; Figure 8 A perspective view of the alternating climbing assembly 2 of the present invention; Fig. 9 It is a three-dimensional diagram of the Y-shaped connecting rod and the climbing wheel of the present invention; Fig.10 is a three-dimensional diagram of a frame of the present invention; Fig.11 The mobile vehicle of the present invention climbs stairs Figure 1 ; Fig.12 The mobile vehicle of the present invention climbs stairs Figure 2 ; Fig.13 The mobile vehicle of the present invention climbs stairs Figure 3 ; Fig.14 The mobile vehicle of the present invention climbs stairs Figure 4 .

[0021] The numbers in the figure represent: 1. Vehicle body 11. Frame 12. Wheel 13. Rotating shaft 1 14. Rotating shaft 2 15. Rotating shaft 3 16. Rotating shaft 4 2. Driving transmission assembly 21. Driving assembly 211. Motor 212. Driving shaft 22. Transmission assembly 221. Transmission device 1 222. Transmission device 2 223. Transmission device 3 224. Transmission device 4 3. Double alternating climbing assembly 31. Alternating climbing assembly 1 311. Diamond turntable 1 312. Diamond turntable 2 313. Diamond turntable 3 314. Diamond turntable 4 315. Y-shaped connecting rod 1 316. Y-shaped connecting rod 2 32. Alternating climbing assembly 2 321. Diamond turntable 5 322. Diamond turntable 6 323. Diamond turntable 7 324. Y-shaped connecting rod 3 325. Y-shaped connecting rod 4 33. Climbing wheel DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0024] Embodiment 1: In some embodiments, please refer to the drawings of the specification Figure 1-Figure 14 , including a vehicle body 1 and two sets of drive transmission components 2, and also including four sets of double alternating climbing components 3; Four sets of double alternating climbing assemblies 3 are installed on the vehicle body 1 in a rectangular shape, and two sets of driving transmission assemblies 2 are installed on the vehicle body 1 symmetrically, and the two sets of driving transmission assemblies 2 drive the left and right sides of the vehicle body 1 to run respectively; The double alternating climbing assembly 3 comprises an alternating climbing assembly 1 31 and an alternating climbing assembly 2 32; The alternating climbing assembly 1 31 and the alternating climbing assembly 2 32 are both installed on the vehicle body 1 , and the alternating climbing assembly 1 31 and the alternating climbing assembly 2 32 are respectively located on the inner side and the outer side of the vehicle body 1 .

[0025] When the present invention is used, climbing stairs is achieved through the alternating climbing action of the four sets of double alternating climbing components 3; On a flat road, the vehicle body 1 is driven by the drive transmission component 2. When stairs need to be climbed, the drive transmission component 2 drives the double alternating climbing component 3 to climb stairs or overcome obstacles more smoothly. At the same time, the two sets of drive transmission components 2 can enable the vehicle body 1 to adjust its running direction through differential speed.

[0026] Embodiment 2: In some embodiments, Figure 1-Figure 13 As shown, as a preferred embodiment of the present invention, the alternating climbing assembly 1 31 and the alternating climbing assembly 2 32 are both equipped with climbing wheels 33 .

[0027] The vehicle body 1 includes a frame 11, four wheels 12, four rotating shafts 13, four rotating shafts 2 14, four rotating shafts 3 15 and four rotating shafts 4 16; The four wheels 12, the four rotating shafts 13, the four rotating shafts 2 14, the four rotating shafts 3 15 and the four rotating shafts 4 16 are all rotatably mounted on the vehicle frame 11 in a rectangular shape, and the central axes of every two rotating shafts 13 and the two rotating shafts 3 15 are collinear, and the rotating shafts 3 15 are located at one end of the rotating shafts 13 close to the center of the vehicle frame 11, and the central axes of every two rotating shafts 2 14 and the two rotating shafts 4 16 are collinear, and the rotating shafts 2 14 are located at one end of the rotating shafts 2 14 close to the center of the vehicle frame 11; The second rotating shaft 14 and the fourth rotating shaft 16 are located above the first rotating shaft 13 and the third rotating shaft 15, and the angle between the common perpendicular line of the central axis of the second rotating shaft 14 and the central axis of the first rotating shaft 13 and the horizontal plane is 60 degrees; Each wheel 12 is fixedly connected to a rotating shaft 13; The wheel 12, the first rotating shaft 13, and the second rotating shaft 14 are all connected to the second alternating climbing component 32; The rotating shaft three 15 and the rotating shaft four 16 are both connected to the alternating climbing component one 31; The driving transmission assembly 2 is installed at the bottom of the frame 11 , and the driving transmission assembly 2 is connected to a rotating shaft 13 located at the rear side of the frame 11 .

[0028] The drive transmission assembly 2 includes a drive assembly 21 and a transmission assembly 22; The driving assembly 21 is installed at the bottom of the frame 11. The driving assembly 21 is connected to the front and rear rotating shaft 1 13 and the front and rear rotating shaft 3 15 on the same side through the transmission assembly 22. The rotating shaft 3 15 and the rotating shaft 4 16 are connected to each other through the transmission assembly 22. The rotating shaft 13 and the rotating shaft 3 15 are connected to each other through the transmission assembly 22.

[0029] The driving assembly 21 includes a motor 211 and a driving shaft 212; The motor 211 is fixedly installed at the bottom of the frame 11, the output end of the motor 211 is fixedly connected to the drive shaft 212, the drive shaft 212 is rotatably connected to the bottom of the frame 11, and the drive shaft 212 is transmission-connected to the same-side front and rear rotating shaft 13 and the same-side front and rear rotating shaft 3 15 through the transmission assembly 22; The transmission assembly 22 includes two sets of transmission devices 1 221, two sets of transmission devices 222, two sets of transmission devices 3 223 and two sets of transmission devices 4 224. The drive shaft 212 and the front and rear rotating shaft 1 13 on the same side are connected by transmission via two sets of transmission devices 3 223. The drive shaft 212 and the front and rear rotating shaft 3 15 on the same side are connected by transmission via two sets of transmission devices 1 221. The rotating shaft 3 15 and the rotating shaft 4 16 are connected by transmission via transmission device 2 222. The rotating shaft 13 and the rotating shaft 2 14 are connected by transmission via transmission device 4 224.

[0030] The transmission device is not limited to pulley assemblies, sprocket chains and gears.

[0031] The alternating climbing assembly 31 includes a rhombus-shaped turntable 1 311, a rhombus-shaped turntable 2 312, a rhombus-shaped turntable 3 313, a rhombus-shaped turntable 4 314, a Y-shaped connecting rod 1 315 and a Y-shaped connecting rod 2 316; The diamond-shaped rotating disk 313 and the diamond-shaped rotating disk 4 314 are both fixedly connected to the rotating shaft 4 16, and the diamond-shaped rotating disk 313 and the diamond-shaped rotating disk 4 314 are symmetrically arranged; The rhombus-shaped rotating disk 1 311 and the rhombus-shaped rotating disk 2 312 are both fixedly connected to the rotating shaft 3 15 , and the rhombus-shaped rotating disk 1 311 and the rhombus-shaped rotating disk 2 312 are symmetrically arranged; The diamond-shaped turntable 1 311 and the diamond-shaped turntable 3 313 are on the same side, the diamond-shaped turntable 2 312 and the diamond-shaped turntable 4 314 are on the same side, and the diamond-shaped turntable 1 311 is located on the side of the diamond-shaped turntable 2 312 close to the center of the frame 11; The upper end of the diamond-shaped rotating disk 4 314 is hinged to the upper end of the Y-shaped connecting rod 1 315; The rear side of the lower end of the Y-shaped connecting rod 1 315 is hinged to the upper end of the diamond-shaped rotating disk 2 312; The upper end of the Y-shaped connecting rod 2 316 is hinged to the lower end of the diamond-shaped rotating disk 3 313; The rear side of the lower end of the second Y-shaped connecting rod 316 is hinged to the lower end of the first diamond-shaped rotating disk 311 .

[0032] The front sides of the lower ends of the Y-shaped connecting rod 1 315 and the Y-shaped connecting rod 2 316 are both rotatably mounted with climbing wheels 33 through one-way bearings.

[0033] The climbing wheel 33 uses a one-way bearing, so that it can roll forward and not roll backward when climbing stairs, thereby providing forward friction.

[0034] The alternating climbing assembly 2 32 includes a diamond turntable 5 321 , a diamond turntable 6 322 , a diamond turntable 7 323 , a Y-shaped connecting rod 3 324 and a Y-shaped connecting rod 4 325 ; The diamond-shaped turntable 5 321 is fixedly connected to the rotating shaft 13, the diamond-shaped turntable 6 322 and the diamond-shaped turntable 7 323 are symmetrically arranged and are both fixedly connected to the rotating shaft 2 14, the rear side of the lower end of the Y-shaped connecting rod 3 324 is hinged to the side wall of the wheel 12, and the upper end of the Y-shaped connecting rod 3 324 is hinged to the rear end of the diamond-shaped turntable 6 322; The upper end of the Y-shaped connecting rod 4 325 is hinged to the front end of the diamond-shaped rotating disk 7 323 , and the rear side of the lower end of the Y-shaped connecting rod 4 325 is hinged to the front end of the diamond-shaped rotating disk 5 321 .

[0035] The front sides of the lower ends of the Y-shaped connecting rod three 324 and the Y-shaped connecting rod four 325 are both rotatably mounted with climbing wheels 33 through one-way bearings.

[0036] The shapes and sizes of the diamond turntable 1 311 , the diamond turntable 2 312 , the diamond turntable 3 313 , the diamond turntable 4 314 , the diamond turntable 5 321 , the diamond turntable 6 322 , and the diamond turntable 7 323 are all the same.

[0037] The shapes and sizes of the Y-shaped connecting rod 1 315 , the Y-shaped connecting rod 2 316 , the Y-shaped connecting rod 3 324 , and the Y-shaped connecting rod 4 325 are all the same.

[0038] When the present invention is used, the mobile vehicle achieves steering through the differential speed of the two motors 211 .

[0039] When the present invention is used, the motor 211 is started, the motor 211 drives the driving shaft 212 to rotate, and the driving shaft 212 drives the rotating shaft 3 15 and the rotating shaft 1 13 to rotate through the transmission device 1 221 and the transmission device 3 223; The rotating shaft 13 drives the wheel 12 to rotate, and the rotating shaft 13 drives the rotating shaft 2 14 to rotate through the transmission device 4 224; The rotating shaft 3 15 drives the rotating shaft 4 16 to rotate through the transmission device 222; The rotating shaft 13 drives the diamond turntable 5 321 to rotate at the same time, and the rotating shaft 2 14 drives the diamond turntable 7 323 and the diamond turntable 6 322 to rotate. The diamond turntable 5 321, the wheel 12, the diamond turntable 7 323, and the diamond turntable 6 322 jointly drive the Y-shaped connecting rod 4 325 and the Y-shaped connecting rod 3 324 to alternately move, and the climbing wheels 33 located at the front side of the lower ends of the Y-shaped connecting rod 3 324 and the Y-shaped connecting rod 4 325 alternately support the frame 11; The alternating climbing assembly 1 31 and the alternating climbing assembly 2 32 move at the same angular velocity and are at an angle with the frame 11 through a Y-shaped connecting rod mechanism, thereby producing a climbing effect when climbing stairs.

[0040] The rotating shaft 3 15 drives the diamond turntable 1 311 and the diamond turntable 2 312 to rotate at the same time, and the rotating shaft 4 16 drives the diamond turntable 3 313 and the diamond turntable 4 314 to rotate, and the diamond turntable 3 313, the diamond turntable 1 311, the diamond turntable 3 313, and the diamond turntable 4 314 jointly drive the Y-shaped connecting rod 2 316 and the Y-shaped connecting rod 1 315 to move, and the Y-shaped connecting rod 1 315 and the Y-shaped connecting rod 2 316 move alternately and present an alternate pulling motion, and the climbing wheels 33 located at the front side of the lower ends of the Y-shaped connecting rod 1 315 and the Y-shaped connecting rod 2 316 alternately support the frame 11; The frame 11 realizes the stair climbing function under the alternating support of the four groups of alternating climbing components 1 31 and the alternating climbing components 2 32, which have a total of sixteen climbing wheels 33. The alternating pulling of the Y-shaped connecting rod 1 315 and the Y-shaped connecting rod 2 316 and the alternating pulling of the diamond turntable 4 314 and the Y-shaped connecting rod 4 325 simulate the action of a person's legs alternately going up the stairs, thereby achieving a strong stair climbing performance. Two or more of the sixteen climbing wheels 33 lift the frame 11 each time, so that it has a strong stair climbing stability.

[0041] Embodiment 3: In some embodiments, Figure 1-Figure 13 As shown, as a preferred embodiment of the present invention, the Y-shaped connecting rod is made of carbon fiber.

[0042] When the present invention is used, the Y-shaped connecting rod is made of carbon fiber material with high strength, low density and extremely light weight, which can effectively reduce the burden of the vehicle.

[0043] Embodiment 4: In some embodiments, Figure 1-Figure 13 As shown, as a preferred embodiment of the present invention, the climbing wheel 33 can be replaced by a foot component; thereby achieving better passability of the mobile vehicle in scenes such as mud, sand, and snow.

[0044] Embodiment 5: In some embodiments, for example, in order to reduce the weight of the trolley, reduce the cost of the trolley, reduce the complexity of the mechanism, etc., the four sets of climbing components one (31) of the present design can be removed, and only the four sets of climbing components two (32) can be retained, and functions such as climbing stairs and overcoming obstacles can still be achieved.

[0045] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A stair-climbing mobile vehicle with strong passability, comprising a vehicle body (1) and two sets of drive transmission components (2), characterized in that: Also included are four sets of double alternating climbing components (3); Four sets of double alternating climbing assemblies (3) are installed on the vehicle body (1) in a rectangular shape, and two sets of driving transmission assemblies (2) are installed on the vehicle body (1) symmetrically, and the two sets of driving transmission assemblies (2) respectively drive the left and right sides of the vehicle body (1) to operate; The double alternating climbing assembly (3) comprises an alternating climbing assembly 1 (31) and an alternating climbing assembly 2 (32); The alternating climbing component 1 (31) and the alternating climbing component 2 (32) are both mounted on the vehicle body (1), and the alternating climbing component 1 (31) and the alternating climbing component 2 (32) are respectively located on the inner side and the outer side of the vehicle body (1).

2. The stair-climbing mobile vehicle with strong passability according to claim 1 is characterized in that: The alternating climbing assembly 1 (31) and the alternating climbing assembly 2 (32) are both equipped with climbing wheels (33).

3. The stair-climbing mobile vehicle with strong passability according to claim 2 is characterized in that: The vehicle body (1) comprises a vehicle frame (11), four wheels (12), four rotating shafts 1 (13), four rotating shafts 2 (14), four rotating shafts 3 (15) and four rotating shafts 4 (16); The four wheels (12), the four rotating shafts (13), the four rotating shafts (14), the four rotating shafts (15) and the four rotating shafts (16) are all rotatably mounted on the frame (11) in a rectangular shape, and the central axes of every two rotating shafts (13) and the two rotating shafts (15) are collinear, and the rotating shafts (15) are located at one end of the rotating shafts (13) close to the center of the frame (11), and the central axes of every two rotating shafts (14) and the two rotating shafts (16) are collinear, and the rotating shafts (14) are located at one end of the rotating shafts (14) close to the center of the frame (11); The second rotating shaft (14) and the fourth rotating shaft (16) are located above the first rotating shaft (13) and the third rotating shaft (15), and the angle between the common perpendicular line of the central axis of the second rotating shaft (14) and the central axis of the first rotating shaft (13) and the horizontal plane is 60 degrees; Each wheel (12) is fixedly connected to a rotating shaft (13); The wheel (12), the first rotating shaft (13), and the second rotating shaft (14) are all connected to the second alternating climbing component (32); The rotating shaft three (15) and the rotating shaft four (16) are both connected to the alternating climbing component one (31); The drive transmission assembly (2) is mounted on the bottom of the frame (11), and the drive transmission assembly (2) is connected to a rotating shaft (13) located at the rear side of the frame (11).

4. The stair-climbing mobile vehicle with strong trafficability according to claim 3 is characterized in that: The drive transmission assembly (2) comprises a drive assembly (21) and a transmission assembly (22); The driving assembly (21) is mounted on the bottom of the vehicle frame (11); the driving assembly (21) is connected to the front and rear rotating shafts 1 (13) and 3 (15) on the same side via a transmission assembly (22); the rotating shafts 3 (15) and 4 (16) are connected via a transmission assembly (22); and the rotating shafts 1 (13) and 3 (15) are connected via a transmission assembly (22).

5. The stair-climbing mobile vehicle with strong passability according to claim 4 is characterized in that: The driving assembly (21) comprises a motor (211) and a driving shaft (212); The motor (211) is fixedly mounted on the bottom of the vehicle frame (11); the output end of the motor (211) is fixedly connected to the drive shaft (212); the drive shaft (212) is rotatably connected to the bottom of the vehicle frame (11); the drive shaft (212) is transmission-connected to the front and rear rotating shafts 1 (13) and 3 (15) on the same side via a transmission assembly (22); The transmission assembly (22) comprises two groups of transmission devices one (221), two groups of transmission devices two (222), two groups of transmission devices three (223) and two groups of transmission devices four (224); the drive shaft (212) and the front and rear rotating shaft one (13) on the same side are transmission-connected via the two groups of transmission devices three (223); the drive shaft (212) and the front and rear rotating shaft three (15) on the same side are transmission-connected via the two groups of transmission devices one (221); the rotating shaft three (15) and the rotating shaft four (16) are transmission-connected via the transmission device two (222); and the rotating shaft one (13) and the rotating shaft two (14) are transmission-connected via the transmission device four (224).

6. The stair-climbing mobile vehicle with strong trafficability according to claim 5 is characterized in that: The alternating climbing assembly 1 (31) comprises a rhombus-shaped turntable 1 (311), a rhombus-shaped turntable 2 (312), a rhombus-shaped turntable 3 (313), a rhombus-shaped turntable 4 (314), a Y-shaped connecting rod 1 (315) and a Y-shaped connecting rod 2 (316); The diamond-shaped rotating disk three (313) and the diamond-shaped rotating disk four (314) are both fixedly connected to the rotating shaft four (16), and the diamond-shaped rotating disk three (313) and the diamond-shaped rotating disk four (314) are symmetrically arranged; The rhombus-shaped rotating disk 1 (311) and the rhombus-shaped rotating disk 2 (312) are both fixedly connected to the rotating shaft 3 (15), and the rhombus-shaped rotating disk 1 (311) and the rhombus-shaped rotating disk 2 (312) are symmetrically arranged; The diamond-shaped turntable 1 (311) and the diamond-shaped turntable 3 (313) are on the same side, the diamond-shaped turntable 2 (312) and the diamond-shaped turntable 4 (314) are on the same side, and the diamond-shaped turntable 1 (311) is located on the side of the diamond-shaped turntable 2 (312) close to the center of the frame (11); The upper end of the diamond-shaped rotating disk 4 (314) is hinged to the upper end of the Y-shaped connecting rod 1 (315); The rear side of the lower end of the Y-shaped connecting rod 1 (315) is hinged to the upper end of the diamond-shaped rotating disk 2 (312); The upper end of the Y-shaped connecting rod 2 (316) is hinged to the lower end of the diamond-shaped rotating disk 3 (313); The rear side of the lower end of the second Y-shaped connecting rod (316) is hinged to the lower end of the first diamond-shaped rotating disk (311).

7. The stair-climbing mobile vehicle with strong trafficability according to claim 6 is characterized in that: The alternating climbing assembly 2 (32) includes a diamond-shaped turntable 5 (321), a diamond-shaped turntable 6 (322), a diamond-shaped turntable 7 (323), a Y-shaped connecting rod 3 (324) and a Y-shaped connecting rod 4 (325); The diamond-shaped turntable five (321) is fixedly connected to the rotating shaft one (13), the diamond-shaped turntable six (322) and the diamond-shaped turntable seven (323) are symmetrically arranged and are both fixedly connected to the rotating shaft two (14), the rear side of the lower end of the Y-shaped connecting rod three (324) is hinged to the side wall of the wheel (12), and the upper end of the Y-shaped connecting rod three (324) is hinged to the rear end of the diamond-shaped turntable six (322); The upper end of the Y-shaped connecting rod 4 (325) is hinged to the front end of the diamond-shaped rotating disk 7 (323), and the rear side of the lower end of the Y-shaped connecting rod 4 (325) is hinged to the front end of the diamond-shaped rotating disk 5 (321).

8. The stair-climbing mobile vehicle with strong passability according to claim 7 is characterized in that: The front sides of the lower ends of the Y-shaped connecting rod three (324) and the Y-shaped connecting rod four (325) are both rotatably mounted with climbing wheels (33) via one-way bearings; The front sides of the lower ends of the Y-shaped connecting rod 1 (315) and the Y-shaped connecting rod 2 (316) are both rotatably mounted with climbing wheels (33) via one-way bearings.

9. The stair-climbing mobile vehicle with strong passability according to claim 8, characterized in that: The shapes and sizes of the diamond-shaped turntable one (311), the diamond-shaped turntable two (312), the diamond-shaped turntable three (313), the diamond-shaped turntable four (314), the diamond-shaped turntable five (321), the diamond-shaped turntable six (322), and the diamond-shaped turntable seven (323) are all the same.

10. The stair-climbing mobile vehicle with strong trafficability according to claim 9, characterized in that: The Y-shaped connecting rod 1 (315), the Y-shaped connecting rod 2 (316), the Y-shaped connecting rod 3 (324) and the Y-shaped connecting rod 4 (325) are all the same in shape and size.

Images