Transportation device
By designing a transport device that includes front wheels, rear wheels, and a swing arm assembly, and using a motor drive to climb stairs, the problem of traditional transport devices being unable to climb stairs is solved, thus improving transport efficiency and reducing costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-23
- Publication Date
- 2026-03-27
AI Technical Summary
Traditional transportation devices cannot climb stairs and require external manual intervention, resulting in low transportation efficiency and increased costs.
Design a transportation device comprising a vehicle, a front wheel assembly, a rear wheel assembly, a first swing arm assembly, and a second swing arm assembly. The device uses a motor to drive the front and rear wheels to rotate, and the swing arms to swing in coordination to achieve climbing of stairs.
It can climb stairs without external human intervention, improving transportation efficiency and reducing transportation costs.
Smart Images
Figure CN224045300U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model embodiment relates to transportation technical field, in particular to a kind of transport device. BACKGROUND
[0002] Transport device refers to a kind of device for handling, conveying or transferring material. However, the conventional transport device is usually only applicable to flat ground, when encountering steps, the conventional transport device cannot climb steps due to lack of climbing ability, resulting in the conventional transport device needing to climb steps with external manual intervention, reducing transportation efficiency and increasing transportation cost. SUMMARY
[0003] The utility model embodiment aims to provide a kind of transport device, can climb steps, improve transportation efficiency, reduce transportation cost.
[0004] To solve the above technical problems, one technical scheme of the utility model embodiment is to provide a kind of transport device, including carrier, front wheel assembly, rear wheel assembly, first swing arm assembly and second swing arm assembly;The carrier is used to load goods;The front wheel assembly includes front connecting rod, front wheel and front wheel motor, one end of the front connecting rod is connected to the front end of the carrier, the front wheel is rotationally arranged on the other end of the front connecting rod, the front wheel motor is arranged on the other end of the front connecting rod, the front wheel motor is drivingly connected with the front wheel, and the front wheel motor is used to drive the front wheel to rotate;The rear wheel assembly includes rear connecting rod, rear wheel and rear wheel motor, one end of the rear connecting rod is connected to the rear end of the carrier, the rear wheel is rotationally arranged on the other end of the rear connecting rod, the rear wheel motor is arranged on the other end of the rear connecting rod, the rear wheel motor is drivingly connected with the rear wheel, and the rear wheel motor is used to drive the rear wheel to rotate;The first swing arm assembly includes first swing arm, first swing arm motor and first swing arm wheel, one end of the first swing arm is rotationally connected with the front connecting rod, the other end of the first swing arm is rotationally connected with the first swing arm wheel, the first swing arm motor is arranged on the front connecting rod, the first swing arm motor is drivingly connected with one end of the first swing arm, and the first swing arm motor is used to drive the first swing arm to swing relative to the carrier;The second swing arm assembly includes second swing arm, second swing arm motor and second swing arm wheel, one end of the second swing arm is rotationally connected with the rear connecting rod, the other end of the second swing arm is rotationally connected with the second swing arm wheel, the second swing arm motor is arranged on the rear connecting rod, the second swing arm motor is drivingly connected with one end of the second swing arm, and the second swing arm motor is used to drive the second swing arm to swing relative to the carrier.
[0005] Optionally, the front connecting rod protrudes from a front end of the carrier in a first direction, and the front connecting rod and the carrier enclose a first reserved space in a second direction, the first reserved space being used for accommodating the first swing arm, the first direction being a direction from the front end of the carrier to a rear end of the carrier, and the second direction being a direction from a top end of the carrier to a bottom end of the carrier.
[0006] Optionally, the rear connecting rod protrudes from a rear end of the carrier in the first direction, and the rear connecting rod and the carrier enclose a second reserved space in the second direction, the second reserved space being used for accommodating the second swing arm.
[0007] Optionally, the first swing arm assembly further comprises a first wheel motor, the first wheel motor being arranged at the other end of the first swing arm, the first wheel motor being in driving connection with the first swing arm wheel, and the first wheel motor being used for driving the first swing arm wheel to rotate.
[0008] Optionally, the second swing arm assembly further comprises a second wheel motor, the second wheel motor being arranged at the other end of the second swing arm, the second wheel motor being in driving connection with the second swing arm wheel, and the second wheel motor being used for driving the second swing arm wheel to rotate.
[0009] Optionally, the first swing arm comprises a first arm body and a second arm body connected with each other, the first arm body and the second arm body are arranged at a preset included angle, one end of the first arm body away from the second arm body is connected with the front connecting rod, and one end of the second arm body away from the first arm body is in rotational connection with the first swing arm wheel.
[0010] Optionally, the first swing arm further comprises a first angle motor, the first angle motor being arranged at the first arm body, the first angle motor being connected with the second arm body, and the first angle motor being used for driving the second arm body to rotate relative to the first arm body, so as to adjust the included angle between the first arm body and the second arm body.
[0011] Optionally, the second swing arm comprises a third arm body and a fourth arm body connected with each other, the third arm body and the fourth arm body are arranged at a preset included angle, one end of the third arm body away from the fourth arm body is connected with the rear connecting rod, and one end of the fourth arm body away from the third arm body is in rotational connection with the second swing arm wheel.
[0012] Optionally, the second swing arm further comprises a second angle motor, the second angle motor being arranged at the third arm body, the second angle motor being connected with the fourth arm body, and the second angle motor being used for driving the fourth arm body to rotate relative to the third arm body, so as to adjust the included angle between the third arm body and the fourth arm body.
[0013] Optionally, the number of the front wheel assemblies and the rear wheel assemblies is two, two of the front wheel assemblies are arranged on the two sides of the front end of the carrier, and two of the rear wheel assemblies are arranged on the two sides of the rear end of the carrier.
[0014] The embodiment of the utility model has the advantages that unlike the prior art, the embodiment of the utility model provides a conveying device which comprises a carrier, a front wheel assembly, a rear wheel assembly, a first swing arm assembly and a second swing arm assembly; the carrier is used for loading articles; the front wheel assembly comprises a front connecting rod, a front wheel and a front wheel motor, one end of the front connecting rod is connected to the front end of the carrier, the front wheel is rotatably arranged at the other end of the front connecting rod, the front wheel motor is arranged at the other end of the front connecting rod, the front wheel motor is drivingly connected with the front wheel, and the front wheel motor is used for driving the front wheel to rotate; the rear wheel assembly comprises a rear connecting rod, a rear wheel and a rear wheel motor, one end of the rear connecting rod is connected to the rear end of the carrier, the rear wheel is rotatably arranged at the other end of the rear connecting rod, the rear wheel motor is arranged at the other end of the rear connecting rod, the rear wheel motor is drivingly connected with the rear wheel, and the rear wheel motor is used for driving the rear wheel to rotate; the first swing arm assembly comprises a first swing arm, a first swing arm motor and a first swing arm wheel, one end of the first swing arm is rotatably connected with the front connecting rod, the other end of the first swing arm is rotatably connected with the first swing arm wheel, the first swing arm motor is arranged on the front connecting rod, the first swing arm motor is drivingly connected with one end of the first swing arm, and the first swing arm motor is used for driving the first swing arm to swing relative to the carrier; the second swing arm assembly comprises a second swing arm, a second swing arm motor and a second swing arm wheel, one end of the second swing arm is rotatably connected with the rear connecting rod, the other end of the second swing arm is rotatably connected with the second swing arm wheel, the second swing arm motor is arranged on the rear connecting rod, the second swing arm motor is drivingly connected with one end of the second swing arm, and the second swing arm motor is used for driving the second swing arm to swing relative to the carrier.
[0015] In the above manner, the front wheel assembly, the rear wheel assembly, the first swing arm assembly and the second swing arm assembly of the embodiment of the utility model are cooperatively matched to enable the conveying device to climb stairs without the aid of external manual intervention to climb the stairs, improve the conveying efficiency and reduce the conveying cost. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme in the specific embodiments of the utility model or the prior art, the drawings needed to be used in the following specific embodiment or prior art description will be briefly introduced. In all the drawings, similar elements or parts are generally indicated by similar reference numerals. In the drawings, various elements or parts are not necessarily drawn according to the actual proportion.
[0017] Figure 1 is the overall structure of the conveying device provided by the embodiment of the utility model Figure 1 ;
[0018] Figure 2 is the partial structure of the conveying device provided by the embodiment of the utility model Figure 1 ;
[0019] Figure 3 is a part structure section view of the transport device provided by the embodiment of the present application Figure 2 ;
[0020] Figure 4 is a whole structure schematic view of the transport device provided by the embodiment of the present application Figure 2 ;
[0021] Figure 5 is a movement state schematic view of a movement example of the transport device provided by the embodiment of the present application Figure 1 ;
[0022] Figure 6 is a movement state schematic view of a movement example of the transport device provided by the embodiment of the present application Figure 2 ;
[0023] Figure 7 is a movement state schematic view of a movement example of the transport device provided by the embodiment of the present application Figure 3 ;
[0024] Figure 8 is a movement state schematic view of a movement example of the transport device provided by the embodiment of the present application Figure 4 ;
[0025] Figure 9 is a movement state schematic view of a movement example of the transport device provided by the embodiment of the present application Figure 5 ;
[0026] Figure 10 is a movement state schematic view of a movement example of the transport device provided by the embodiment of the present application Figure 6 ;
[0027] Figure 11 is a movement state schematic view of a movement example of the transport device provided by the embodiment of the present application Figure 7 ;
[0028] Figure 12 is a movement state schematic view of a movement example of the transport device provided by the embodiment of the present application Figure 8 ;
[0029] Figure 13 is a movement state schematic view of another movement example of the transport device provided by the embodiment of the present application Figure 1 ;
[0030] Figure 14 is a movement state schematic view of another movement example of the transport device provided by the embodiment of the present application Figure 2 ;
[0031] Figure 15 is another motion example of the transportation device provided by the embodiment of the utility model Figure 3 ;
[0032] Figure 16 is another motion example of the transportation device provided by the embodiment of the utility model Figure 4 ;
[0033] Figure 17 is another motion example of the transportation device provided by the embodiment of the utility model Figure 5 .
[0034] Mark for explaining:
[0035] 1 carrier;
[0036] 2 front wheel assembly, 21 front connecting rod, 22 front wheel, 23 front wheel motor;
[0037] 3 rear wheel assembly, 31 rear connecting rod, 32 rear wheel, 33 rear wheel motor;
[0038] 4 first swing arm assembly, 41 first swing arm, 411 first arm body, 412 second arm body, 42 first swing arm motor, 43 first swing arm wheel, 44 first wheel motor;
[0039] 5 second swing arm assembly, 51 second swing arm, 511 third arm body, 512 fourth arm body, 52 second swing arm motor, 53 second swing arm wheel, 54 second wheel motor;
[0040] 6 first reserved space;
[0041] 7 second reserved space;
[0042] 8 camera assembly;
[0043] 9 laser radar;
[0044] 100 transportation device;
[0045] X first direction, Y second direction. Specific implementation
[0046] For the convenience of understanding the utility model, the utility model will be explained in more detail below in combination with the drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on another element or one or more intervening elements can be present therebetween. When an element is described as "connected" to another element, it can be directly connected to another element or one or more intervening elements can be present therebetween. The terms "upper", "lower", "inner", "outer", "vertical", "horizontal" and the like used in the specification indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance.
[0047] Unless otherwise defined, all technical and scientific terms used in the specification are the same as those commonly understood by those skilled in the art to which the utility model belongs. The terms used in the specification of the utility model are only for the purpose of describing the specific embodiments and are not used to limit the utility model. The term "and / or" used in the specification includes any and all combinations of one or more related listed items.
[0048] The transport device refers to a device for carrying, conveying or transferring materials. However, the conventional transport device is usually only suitable for flat ground, and when encountering a step, the conventional transport device cannot climb the step due to the lack of climbing ability, resulting in the conventional transport device needing external manual intervention to climb the step, reducing the transport efficiency and increasing the transport cost.
[0049] Based on this, the utility model provides a kind of transport device 100, can climb step, improve transport efficiency.
[0050] For the convenience of reader understanding the concept of the utility model embodiment, the specific structure of transport device 100 is described as follows:
[0051] Please refer to Figures 1 to 3, the transportation device 100 includes a carrier 1, a front wheel 22 assembly 2, a rear wheel 32 assembly 3, a first swing arm assembly 4 and a second swing arm assembly 5; the carrier 1 is used for loading articles; the front wheel 22 assembly 2 includes a front connecting rod 21, a front wheel 22 and a front wheel motor 23, one end of the front connecting rod 21 is connected to the front end of the carrier 1, the front wheel 22 is rotationally arranged at the other end of the front connecting rod 21, the front wheel motor 23 is arranged at the other end of the front connecting rod 21, the front wheel motor 23 is drivingly connected with the front wheel 22, and the front wheel motor 23 is used to drive the front wheel 22 to rotate; the rear wheel 32 assembly 3 includes a rear connecting rod 31, a rear wheel 32 and a rear wheel motor 33, one end of the rear connecting rod 31 is connected to the rear end of the carrier 1, the rear wheel 32 is rotationally arranged at the other end of the rear connecting rod 31, the rear wheel motor 33 is arranged at the other end of the rear connecting rod 31, the rear wheel motor 33 is drivingly connected with the rear wheel 32, and the rear wheel motor 33 is used to drive the rear wheel 32 to rotate; the first swing arm assembly 4 includes a first swing arm 41, a first swing arm motor 42 and a first swing arm wheel 43, one end of the first swing arm 41 is rotationally connected with the front connecting rod 21, the other end of the first swing arm 41 is rotationally connected with the first swing arm wheel 43, the first swing arm motor 42 is arranged on the front connecting rod 21, the first swing arm motor 42 is drivingly connected with one end of the first swing arm 41, and the first swing arm motor 42 is used to drive the first swing arm 41 to swing relative to the carrier 1; the second swing arm assembly 5 includes a second swing arm 51, a second swing arm motor 52 and a second swing arm wheel 53, one end of the second swing arm 51 is rotationally connected with the rear connecting rod 31, the other end of the second swing arm 51 is rotationally connected with the second swing arm wheel 53, the second swing arm motor 52 is arranged on the rear connecting rod 31, the second swing arm motor 52 is drivingly connected with one end of the second swing arm 51, and the second swing arm motor 52 is used to drive the second swing arm 51 to swing relative to the carrier 1.
[0052] In the above manner, the front wheel 22 assembly 2, the rear wheel 32 assembly 3, the first swing arm assembly 4 and the second swing arm assembly 5 are cooperatively matched to enable the transportation device 100 to climb the steps without external manual intervention, thereby improving the transportation efficiency and reducing the transportation cost.
[0053] In order to facilitate the reader to understand the concept of the embodiments of the utility model, the following provides an example for the specific movement process of the transportation device 100, as shown in Figures 5 to 12
[0054] Firstly, referring to Figure 5 and Figure 6 , the front wheel motor 23 or the rear wheel motor 33 outputs power to drive the transportation device 100 to move forward until the front wheel 22 moves to the front of the steps or moves to touch the vertical surface of the steps, and then the first swing arm motor 42 outputs power to drive the first swing arm 41 to swing downward until the first swing arm wheel 43 touches the horizontal surface of the steps; then, referring to Figure 7 , the first swing arm 41 is further swung by the first swing arm motor 42 to lift the front wheel 22 in the vertical direction until the lowest point of the front wheel 22 is lifted to the same level as the step horizontal surface, at this time, the carrier 1 is in an inclined state; then, please refer to Figure 8 , the transport device 100 is driven forward by the rear wheel motor 33 until the rear wheel 32 moves to the front of the step or touches the step vertical surface, in this process, the front wheel 22 and the first swing arm wheel 43 move synchronously on the step horizontal surface; then, please refer to Figure 9 , the second swing arm 51 is swung downward by the second swing arm motor 52 until the second swing arm wheel 53 touches the ground, at the same time, the first swing arm 41 is swung upward by the first swing arm motor 42 to reset; then, please refer to Figure 10 , the second swing arm 51 is further swung by the second swing arm motor 52 to lift the rear wheel 32 in the vertical direction until the lowest point of the rear wheel 32 is lifted to the same level as the step horizontal surface, at this time, the carrier 1 is in a horizontal state; finally, please refer to Figure 11 and Figure 12 , the transport device 100 is driven forward by the front wheel motor 23 until the rear wheel 32 touches the step horizontal surface, then the second swing arm 51 is swung upward by the second swing arm motor 52 to reset, which completes the climbing of the step by the transport device 100.
[0055] It should be noted that the above movement process of the transport device 100 is only an example, and the movement process of the transport device 100 includes but is not limited to the above example. It should also be noted that when there are only the front wheel motor 23, the rear wheel motor 33, the first swing arm motor 42 and the second swing arm motor 52, during the process of the transport device 100 climbing the step, as the transport device 100 moves forward, the carrier 1 can only first climb to the step horizontal surface in an inclined state, and then climb to the step horizontal surface in a horizontal state.
[0056] For the above transport device 100, in some embodiments, please refer to Figure 4, along a first direction, the front link 21 protrudes from the front end of the carrier 1, along a second direction, the front link 21 and the carrier 1 enclose a first reserved space 6, the first reserved space 6 is used for accommodating the first swing arm 41, the first direction is from the front end of the carrier 1 to the rear end of the carrier 1, and the second direction is from the top end of the carrier 1 to the bottom end of the carrier 1. In the foregoing manner, the first reserved space 6 is formed above the front link 21, the first swing arm 41 can be accommodated when the first swing arm 41 swings to the upper side of the front link 21, the protrusion of the first swing arm 41 from the front end of the front link 21 is reduced, the structural compactness is improved, the overall volume of the transportation device 100 is reduced, the transportation device 100 is facilitated to pass through a narrow space in a working state, or the transportation device 100 is facilitated to be folded and stored in a non-working state.
[0057] Further, for the above-mentioned transportation device 100, in some embodiments, please refer to Figure 4 , along a first direction, the rear link 31 protrudes from the rear end of the carrier 1, along a second direction, the rear link 31 and the carrier 1 enclose a second reserved space 7, the second reserved space 7 is used for accommodating the second swing arm 51. In the foregoing manner, the second reserved space 7 is formed above the rear link 31, the second swing arm 51 can be accommodated when the second swing arm 51 swings to the upper side of the rear link 31, the protrusion of the second swing arm 51 from the rear end of the rear link 31 is reduced, the structural compactness is further improved, the overall volume of the transportation device 100 is further reduced, the transportation device 100 is further facilitated to pass through a narrow space in a working state, or the transportation device 100 is further facilitated to be folded and stored in a non-working state.
[0058] For the above-mentioned transportation device 100, in some embodiments, please refer to Figures 1 to 3 The transportation device 100 further comprises a camera assembly 8 and a laser radar 9, the camera assembly 8 and the laser radar 9 are both arranged at the front end of the carrier 1, the camera assembly 8 is used for shooting the picture in front of the transportation device 100, and the laser radar 9 is used for ranging. In the foregoing manner, in the process that the transportation device 100 climbs the steps, the camera assembly 8 and the laser radar 9 obtain specific information (for example, including visual information and distance information and the like) that the transportation device 100 climbs the steps, so that the front wheel 22 component 2, the rear wheel 32 component 3, the first swing arm component 4 and the second swing arm component 5 can adjust the driving strategy in real time, and the success rate of the transportation device 100 climbing the steps is improved.
[0059] For the above-mentioned transportation device 100, in some embodiments, please refer to Figures 1 to 3, the number of the front wheel 22 assembly 2 and the rear wheel 32 assembly 3 is two, two front wheel 22 assembly 2 is arranged at the two sides of the front end of the carrier 1, two rear wheel 32 assembly 3 is arranged at the two sides of the rear end of the carrier 1. Through the above manner, the front wheel 22 assembly 2 and the rear wheel 32 assembly 3 form a left-right symmetrical structure, which can improve the force balance of the transportation device 100 in the climbing process, avoid the transportation device 100 from tilting in the climbing process due to uneven force, improve the stability of the transportation device 100 in the climbing process, so that the transportation device 100 can adapt to larger load, improve the application range of the transportation device 100, and enhance the practicality of the transportation device 100.
[0060] Please refer to Figures 1 to 3 , the first swing arm assembly 4 further comprises a first wheel motor 44, the first wheel motor 44 is arranged at the other end of the first swing arm 41, the first wheel motor 44 is drivingly connected with the first swing arm wheel 43, and the first wheel motor 44 is used to drive the first swing arm wheel 43 to rotate; the second swing arm assembly 5 further comprises a second wheel motor 54, the second wheel motor 54 is arranged at the other end of the second swing arm 51, the second wheel motor 54 is drivingly connected with the second swing arm wheel 53, and the second wheel motor 54 is used to drive the second swing arm wheel 53 to rotate. Through the above manner, the first swing arm wheel 43 and the second swing arm wheel 53 can all output power, which can enrich the way of the transportation device 100 climbing the steps and improve the stability of the transportation device 100 climbing the steps.
[0061] Since the first wheel motor 44 and the second wheel motor 54 are added, in order to facilitate the reader to further understand the concept of the embodiment of the utility model, another example of the specific movement process of the transportation device 100 is provided as follows: Figures 13 to 17
[0062] Firstly, please refer to Figure 13 and Figure 14 , the front wheel motor 23 or the rear wheel motor 33 outputs power to drive the transportation device 100 to move forward until the front wheel 22 moves to the front of the step or moves to touch the vertical surface of the step, the first swing arm motor 42 outputs power to drive the first swing arm 41 to swing downward until the first swing arm wheel 43 touches the horizontal surface of the step, and at the same time, the second swing arm motor 52 outputs power to drive the second swing arm 51 to swing downward until the second swing arm wheel 53 touches the ground; then, please refer to Figure 15 , the first swing arm motor 42 and the second swing arm motor 52 continue to output power at the same time to drive the first swing arm 41 and the second swing arm 51 to further swing respectively, so that the front wheel 22 and the rear wheel 32 are synchronously lifted along the vertical direction until the lowest point of the front wheel 22 along the vertical direction and the lowest point of the rear wheel 32 along the vertical direction are lifted to the same horizontal height as the horizontal surface of the step, at this time, the carrier 1 is in a horizontal state; then, please refer to Figure 16 , the first swing arm wheel 43 and / or the second swing arm wheel 53 are driven to rotate by the first wheel motor 44 and / or the second wheel motor 54, so that the transport device 100 moves forward until the front wheel 22 and the rear wheel 32 touch the step horizontal surface; finally, please refer to Figure 17 , the first swing arm 41 is driven to swing upward and reset by the first swing arm motor 42, and at the same time, the second swing arm 51 is driven to swing upward and reset by the second swing arm motor 52, so that the transport device 100 completes the climbing of the step.
[0063] It should be noted that the movement process of the transport device 100 described above is only an example, and the movement process of the transport device 100 described above includes but is not limited to the above example. It should also be noted that when the front wheel motor 23, the rear wheel motor 33, the first swing arm motor 42, the second swing arm motor 52, the first wheel motor 44 and the second wheel motor 54 exist at the same time, in the process of the transport device 100 climbing the step, the carrier 1 can climb to the step horizontal surface in a horizontal state as the transport device 100 moves forward.
[0064] For the transport device 100 described above, in some embodiments, please refer to Figures 1 to 3 , the front wheel 22 is rotatably connected to one side wall of the front connecting rod 21, the front wheel motor 23 is built in the front wheel 22, the first swing arm 41 is screwed to the other side wall of the front connecting rod 21 away from the front wheel 22, one end of the first swing arm 41 away from the front wheel 22 is provided with a first notch, the first swing arm wheel 43 is rotatably connected to the first notch, and the first wheel motor 44 is built in the first swing arm wheel 43; the rear wheel 32 is rotatably connected to one side wall of the rear connecting rod 31, the rear wheel motor 33 is built in the rear wheel 32, the second swing arm 51 is screwed to the other side wall of the rear connecting rod 31 away from the rear wheel 32, one end of the second swing arm 51 away from the rear wheel 32 is provided with a second notch, the second swing arm wheel 53 is rotatably connected to the second notch of the rear connecting rod 31, and the second wheel motor 54 is built in the second swing arm wheel 53.
[0065] For the first swing arm assembly 4 described above, in some embodiments, please refer to Figures 1 to 3 , the first swing arm 41 includes a first arm body 411 and a second arm body 412 connected together, the first arm body 411 and the second arm body 412 are arranged at a preset included angle, one end of the first arm body 411 away from the second arm body 412 is connected with the front connecting rod 21, and one end of the second arm body 412 away from the first arm body 411 is rotatably connected with the first swing arm wheel 43. In this way, the first swing arm 41 has a preset included angle, which can improve the adaptability of the first swing arm 41 to adapt to steps of different heights.
[0066] Further, in some embodiments, the first swing arm 41 further comprises a first angle motor (not shown in the figure), which is arranged on the first arm body 411 and connected with the second arm body 412, and is used to drive the second arm body 412 to rotate relative to the first arm body 411, so as to adjust the included angle between the first arm body 411 and the second arm body 412. In the above manner, the included angle of the first swing arm 41 can be adjusted, and the adaptability of the first swing arm 41 is further improved, so that it can adapt to more steps with different heights.
[0067] For the above-mentioned second swing arm assembly 5, in some embodiments, referring to Figures 1 to 3 , the second swing arm 51 comprises a third arm body 511 and a fourth arm body 512 connected with each other, the third arm body 511 and the fourth arm body 512 are arranged at a preset included angle, one end of the third arm body 511 away from the fourth arm body 512 is connected with the rear connecting rod 31, and one end of the fourth arm body 512 away from the third arm body 511 is rotationally connected with the second swing arm wheel 53. In the above manner, the second swing arm 51 has a preset included angle, and the adaptability of the second swing arm 51 is improved, so that it can adapt to steps with different heights.
[0068] Further, in some embodiments, the second swing arm 51 further comprises a second angle motor (not shown in the figure), which is arranged on the third arm body 511 and connected with the fourth arm body 512, and is used to drive the fourth arm body 512 to rotate relative to the third arm body 511, so as to adjust the included angle between the third arm body 511 and the fourth arm body 512. In the above manner, the included angle of the second swing arm 51 can be adjusted, and the adaptability of the second swing arm 51 is further improved, so that it can adapt to more steps with different heights.
[0069] It should be noted that the first swing arm 41 and the second swing arm 51 both comprise but are not limited to a triangle with a preset included angle, for example, in other embodiments, the first swing arm 41 and the second swing arm 51 are both arc-shaped with a preset radian.
[0070] The utility model discloses an embodiment provides a kind of transport device 100, including carrier 1, front wheel 22 component 2, rear wheel 32 component 3, first swing arm component 4 and second swing arm component 5;Carrier 1 is used to load goods;Front wheel 22 component 2 includes front connecting rod 21, front wheel 22 and front wheel motor 23, one end of front connecting rod 21 is connected to the front end of carrier 1, front wheel 22 is rotationally arranged at the other end of front connecting rod 21, front wheel motor 23 is arranged at the other end of front connecting rod 21, and front wheel motor 23 is drivingly connected with front wheel 22, and front wheel motor 23 is used to drive front wheel 22 to rotate;Rear wheel 32 component 3 includes rear connecting rod 31, rear wheel 32 and rear wheel motor 33, one end of rear connecting rod 31 is connected to the rear end of carrier 1, rear wheel 32 is rotationally arranged at the other end of rear connecting rod 31, rear wheel motor 33 is arranged at the other end of rear connecting rod 31, and rear wheel motor 33 is drivingly connected with rear wheel 32, and rear wheel motor 33 is used to drive rear wheel 32 to rotate;First swing arm component 4 includes first swing arm 41, first swing arm motor 42 and first swing arm wheel 43, one end of first swing arm 41 is rotationally connected with front connecting rod 21, the other end of first swing arm 41 is rotationally connected with first swing arm wheel 43, first swing arm motor 42 is arranged at front connecting rod 21, first swing arm motor 42 is drivingly connected with one end of first swing arm 41, and first swing arm motor 42 is used to drive first swing arm 41 to swing relative to carrier 1;Second swing arm component 5 includes second swing arm 51, second swing arm motor 52 and second swing arm wheel 53, one end of second swing arm 51 is rotationally connected with rear connecting rod 31, the other end of second swing arm 51 is rotationally connected with second swing arm wheel 53, second swing arm motor 52 is arranged at rear connecting rod 31, second swing arm motor 52 is drivingly connected with one end of second swing arm 51, and second swing arm motor 52 is used to drive second swing arm 51 to swing relative to carrier 1. Through the above mode, the front wheel 22 component 2 of the utility model embodiment, rear wheel 32 component 3, first swing arm component 4 and second swing arm component 5 cooperate to enable the transport device 100 to climb stairs, without the aid of external manual intervention to climb stairs, improve transport efficiency, reduce transportation cost.
[0071] The utility model further provides an embodiment of a transport system, including above-mentioned transport device 100, for the specific structure and function of above-mentioned transport device 100 can refer to above-mentioned embodiment, here will not be elaborated one by one.
[0072] The above-mentioned is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion using the utility model specification and drawing contents, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.
Claims
1. A transport device, characterized in that Comprising: a carrier for loading articles; a front wheel assembly comprising a front link, a front wheel and a front wheel motor, one end of the front link is connected to the front end of the carrier, the front wheel is rotatably arranged at the other end of the front link, the front wheel motor is arranged at the other end of the front link, the front wheel motor is drivingly connected with the front wheel, and the front wheel motor is used to drive the front wheel to rotate; a rear wheel assembly comprising a rear link, a rear wheel and a rear wheel motor, one end of the rear link is connected to the rear end of the carrier, the rear wheel is rotatably arranged at the other end of the rear link, the rear wheel motor is arranged at the other end of the rear link, the rear wheel motor is drivingly connected with the rear wheel, and the rear wheel motor is used to drive the rear wheel to rotate; a first swing arm assembly comprising a first swing arm, a first swing arm motor and a first swing arm wheel, one end of the first swing arm is rotatably connected with the front link, the other end of the first swing arm is rotatably connected with the first swing arm wheel, the first swing arm motor is arranged on the front link, the first swing arm motor is drivingly connected with one end of the first swing arm, and the first swing arm motor is used to drive the first swing arm to swing relative to the carrier; a second swing arm assembly comprising a second swing arm, a second swing arm motor and a second swing arm wheel, one end of the second swing arm is rotatably connected with the rear link, the other end of the second swing arm is rotatably connected with the second swing arm wheel, the second swing arm motor is arranged on the rear link, the second swing arm motor is drivingly connected with one end of the second swing arm, and the second swing arm motor is used to drive the second swing arm to swing relative to the carrier.
2. The transport device according to claim 1, wherein in a first direction, the front link protrudes from the front end of the carrier, and in a second direction, the front link and the carrier enclose a first reserved space, and the first reserved space is used to accommodate the first swing arm, the first direction is the direction from the front end of the carrier to the rear end of the carrier, and the second direction is the direction from the top end of the carrier to the bottom end of the carrier.
3. The transport device according to claim 2, wherein in the first direction, the rear link protrudes from the rear end of the carrier, and in the second direction, the rear link and the carrier enclose a second reserved space, and the second reserved space is used to accommodate the second swing arm.
4. The transport device according to claim 1, wherein the first swing arm assembly further comprises a first wheel motor, the first wheel motor is arranged at the other end of the first swing arm, the first wheel motor is drivingly connected with the first swing arm wheel, and the first wheel motor is used to drive the first swing arm wheel to rotate.
5. The transport device according to claim 1, wherein the second swing arm assembly further comprises a second wheel motor, the second wheel motor is arranged at the other end of the second swing arm, the second wheel motor is drivingly connected with the second swing arm wheel, and the second wheel motor is used to drive the second swing arm wheel to rotate.
6. The transport device according to claim 1, wherein The first swing arm comprises a first arm body and a second arm body connected together, the first arm body and the second arm body are arranged at a preset included angle, one end of the first arm body away from the second arm body is connected with the front connecting rod, and one end of the second arm body away from the first arm body is rotationally connected with the first swing arm wheel.
7. The transport device according to claim 6, wherein, The first swing arm further comprises a first angle motor arranged on the first arm body, the first angle motor is connected with the second arm body, and the first angle motor is used to drive the second arm body to rotate relative to the first arm body, so as to adjust the included angle between the first arm body and the second arm body.
8. The transport device according to claim 6, wherein, The second swing arm comprises a third arm body and a fourth arm body connected together, the third arm body and the fourth arm body are arranged at a preset included angle, one end of the third arm body away from the fourth arm body is connected with the rear connecting rod, and one end of the fourth arm body away from the third arm body is rotationally connected with the second swing arm wheel.
9. The transport device according to claim 8, wherein, The second swing arm further comprises a second angle motor arranged on the third arm body, the second angle motor is connected with the fourth arm body, and the second angle motor is used to drive the fourth arm body to rotate relative to the third arm body, so as to adjust the included angle between the third arm body and the fourth arm body.
10. The transport device according to claim 6, wherein, The number of the front wheel assemblies and the rear wheel assemblies is both two, two front wheel assemblies are arranged on the two sides of the front end of the carrier, and two rear wheel assemblies are arranged on the two sides of the rear end of the carrier.