Multifunctional obstacle crossing frame

Abstract

The invention relates to the field of vehicle body frames, in particular to a multifunctional obstacle crossing vehicle frame which comprises a main frame body, the main frame body comprises a lower vehicle frame, an upper mounting plate is arranged at the top of the lower vehicle frame, wheel frame connecting columns are arranged on the surfaces of the low ends of the side edges of the two sides of the upper mounting plate, and wheel frames are fixedly connected to the bottoms of the wheel frame connecting columns. Obstacle-crossing heightening units are symmetrically arranged on the upper surface of the lower vehicle frame, and driving assemblies are arranged on the portions, located on one sides of the obstacle-crossing heightening units, of the upper surface of the lower vehicle frame. And when the universal wheel mechanism cannot directly pass through the obstacle, the obstacle crossing heightening unit can effectively lift up the universal wheel mechanism so as to effectively cross the obstacle, so that the movable frame body can cross the blocked obstacle, and the frame can realize that outdoor equipment is more flexible and can run under more complex terrains.

Description

Technical Field

[0001] The invention relates to the technical field of vehicle body frames, and in particular to a multifunctional obstacle-crossing frame. Background Art

[0002] ‌The frame is a frame-type structure that spans the front and rear axles of the vehicle, commonly known as the beam, and is the base of the vehicle. ‌It is usually composed of two longitudinal beams and several cross beams, and is supported on the wheels through the suspension device, the front axle and the rear axle. The main function of the frame is to support and connect the various assemblies of the car, keep their relative positions correct, and bear various loads inside and outside the vehicle.

[0003] Some existing vehicle frames have relatively simple structures. When encountering obstacles on the road, some frames have low wheels and cannot directly cross the obstacles. In addition, some vehicle frames require a lot of space when turning the vehicle body, which is difficult to do in some narrow spaces, and the range of movement is limited when driving outdoors. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings in the prior art and to propose a multifunctional obstacle-crossing frame.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A multifunctional obstacle-crossing vehicle frame comprises a main frame, wherein the main frame comprises a lower frame, an upper mounting plate is arranged on the top of the lower frame, wheel frame connecting columns are arranged on the lower end surfaces of the sides of the upper mounting plate, the wheel frames are fixedly connected to the bottom of the wheel frame connecting columns, obstacle-crossing height-increasing units are symmetrically arranged on the upper surface of the lower frame, and a driving assembly is arranged on one side of the obstacle-crossing height-increasing units on the upper surface of the lower frame; The obstacle-surmounting height-increasing unit comprises a pushing frame, one side of the pushing frame is connected to a driving mechanism, a limiting mechanism is arranged on the other side of the pushing frame away from the driving mechanism, the limiting mechanism is installed on the lower end surface of the upper mounting plate, a supporting tripod is rotatably engaged on the limiting mechanism, a supporting wheel limiting unit is installed on the surface of one side of the supporting tripod frame body, and the supporting tripod is located at the bottom of the surface of the side on which the supporting wheel limiting unit is installed, and is rotatably engaged with the supporting wheel mechanism.

[0006] In addition, a preferred structure is that a wiring opening is provided through the lower frame on one side of the driving assembly, a movable opening is provided through the lower frame on one side of the wiring opening, and a plurality of connecting columns for connecting the upper mounting plate are provided on the top surface of the lower frame; A pushing mechanism is arranged on the lower end surface above the movable opening of the upper mounting plate.

[0007] In addition, the preferred structure is that the wheel frame includes a connecting frame body, the connecting frame body is fixedly connected to the bottom of the wheel frame connecting column, connecting plates are arranged at the ends of both sides of the connecting frame body, a first rotating seat is installed at the bottom of the connecting plate on one side, and a movable frame body is installed at the bottom of the connecting plate on the other side; The first rotating seat installed at the bottom of the connecting plate is rotatably matched with a universal wheel mechanism at the bottom, a first rotating rod is arranged at the top position of the middle section of the movable frame, a second rotating seat is rotatably matched on the first rotating rod, the second rotating seat is installed at the bottom of the connecting plate, a second connecting seat is arranged at one end of the movable frame, and a first connecting seat is arranged at the other end of the movable frame; The second connecting seat is rotatably provided with an electric wheel, which is electrically connected to the driving assembly. A first rotating seat is installed at the bottom of the first connecting seat, and a universal wheel mechanism is rotatably provided at the bottom of the first rotating seat of the first connecting seat.

[0008] In addition, a preferred structure is that the universal wheel mechanism includes a triangular mounting plate, on the top surface of which a rotating connector for rotationally engaging with the first rotating seat is symmetrically arranged, and a plurality of universal wheels are evenly arranged and installed at the bottom of the triangular mounting plate.

[0009] In addition, the preferred structure is that the pushing mechanism includes a first servo electric cylinder, the top of the first servo electric cylinder is installed on the lower end surface of the upper mounting plate, a connecting plate is installed at the lower end of the piston rod at the bottom output end of the first servo electric cylinder, and a push plate is fixedly connected to one side of the connecting plate, and the push plate is located above the movable frame.

[0010] In addition, a preferred structure is that the driving mechanism includes a second servo electric cylinder, the second servo electric cylinder is installed on the top surface of the lower frame, the output end of the second servo electric cylinder is provided with a piston rod, and the end of the piston rod is installed with a connecting frame; A limit block is provided at the end of the piston rod, a screw hole for installing a fixing component is provided on the limit block, a first installation opening for installing the limit block is provided through the middle of a plate body on one side of the connecting frame, and a first through hole for installing the pushing frame is symmetrically provided on the plate body on the other side of the connecting frame away from the first installation opening; The pushing frame comprises an L-shaped connecting plate, and the L-shaped connecting plate is symmetrically mounted on the surface of the plate body of the connecting frame located at the first through hole; A second installation opening is formed through one end of the L-shaped connecting plate, and a second through hole coaxial with the first through hole is symmetrically formed on the plate body of the other end; Push rods are installed at the second installation openings on both sides, and fixing components are installed at the ends of both sides of the push rods.

[0011] In addition, a preferred structure is that the limit mechanism includes a limit plate, which is symmetrically mounted on the lower end surface of the upper mounting plate, and a limit mechanism upper mounting plate for mounting on the bottom of the upper mounting plate is horizontally arranged on the top of the limit plate, and a first push rod movable groove for the lateral movement of the push rod is provided through the limit plate, and a limit stop plate for abutting against the support bracket is provided on one side surface of the limit plate facing the other side of the limit plate; A first rotating hole is formed through the top of the limiting plate, and second rotating rods are installed at the first rotating holes on both sides, and the supporting stand is rotatably engaged at the second rotating rods.

[0012] In addition, a preferred structure is that a second rotation hole for rotational cooperation of the second rotation rod is opened on the top of the support bracket, a second push rod movable groove for movement of the push rod is opened on one side of the second rotation hole on the support bracket, and a reinforcing plate is symmetrically arranged at the inner corner of the support bracket; A first mounting hole for mounting the supporting wheel limiting unit is symmetrically provided on the inner surface of the supporting bracket, a rotating groove is provided on one side of the supporting bracket located at the first mounting hole, a third rotating rod is provided in the rotating groove, a supporting wheel mechanism is rotatably engaged on the third rotating rod, and a limiting baffle is provided on the outer surface of the supporting bracket and on one side of the rotating groove.

[0013] In addition, a preferred structure is that the support wheel limiting unit includes a limiting wheel mounting plate, the limiting wheel mounting plate is mounted at the first mounting hole, the bottom of the limiting wheel mounting plate is slidably matched with the limiting wheel mechanism, a second mounting hole coaxial with the first mounting hole is symmetrically opened on the top plate body of the limiting wheel mounting plate, a first sliding hole is opened in the middle of the bottom plate body of the limiting wheel mounting plate, and second sliding holes are symmetrically opened on both sides of the first sliding hole; The limiting wheel mechanism comprises a wheel seat, a pulley is rotatably matched on the wheel seat, a first sliding rod is vertically arranged in the middle of the top surface of the wheel seat and is slidably matched with the first sliding hole, and second sliding rods are symmetrically and vertically arranged on both sides of the first sliding rod and are slidably matched with the second sliding hole, and a spring is sleeved on the outside of the first sliding rod; One end of the spring is fixedly connected to the top surface of the wheel seat, and the other end of the spring is fixedly connected to the lower end surface of the bottom plate body of the limiting wheel mounting plate.

[0014] In addition, the preferred structure is that the support wheel mechanism includes a support wheel connecting frame, the support wheel connecting frame is slidably matched on the third rotating rod, support wheels are rotatably connected to both sides of the top of the support wheel connecting frame, and a limiting protrusion is provided on the other side surface of the support wheel connecting frame away from the supporting tripod; A third rotating hole is provided on the top of the supporting wheel connecting frame.

[0015] The beneficial effects of the present invention are as follows: the wheel frame provided in the present invention can make the frame of the outdoor equipment more flexible, and when turning around in a narrow space, the provided electric wheel can realize turning around on the spot, and when facing an obstacle that the universal wheel mechanism cannot pass directly, the universal wheel mechanism can be effectively lifted up through the obstacle-crossing heightening unit, thereby effectively crossing the obstacle, so that the movable frame can cross the blocking obstacle. The frame of the present invention can make the outdoor equipment more flexible and can travel on more complex terrains. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A is a schematic diagram of the overall structure of the present invention; Figure 2 FIG. b is a schematic diagram of the overall structure of the present invention; Figure 3 This is a schematic diagram of the structure after the main frame is disassembled; Figure 4 It is a structural schematic diagram of the upper mounting plate; Figure 5 It is a structural schematic diagram of the lower frame; Figure 6 is a structural schematic diagram of a wheel frame; Figure 7 It is a schematic diagram of the structure after the wheel frame is disassembled; Figure 8 A is a structural schematic diagram of a universal wheel mechanism; Fig. 9 It is the structural schematic diagram B of the universal wheel mechanism; Fig.10 It is a schematic diagram of the structure after the movable frame is disassembled; Fig.11 A schematic diagram of the structure of the main frame without connecting the wheel frame; Fig.12 This is a schematic diagram of the structure after the promotion organization is split; Fig.13 This is a schematic diagram of the structure after the obstacle-crossing and height-enhancing unit is disassembled; Fig.14 It is a structural schematic diagram of the limiting mechanism; Fig.15 It is a structural schematic diagram of a limiting plate; Fig.16 It is a schematic diagram of the structure after the driving mechanism and the pushing frame are separated; Fig.17 It is a structural schematic diagram of an L-shaped connecting plate; Fig.18 It is a schematic diagram of the structure after the second servo electric cylinder and the connecting frame are separated; Fig.19 It is a structural schematic diagram of the support tripod, the support wheel limiting unit, and the support wheel mechanism assembled together; Fig. 20 It is a schematic diagram of the structure after the support tripod, the support wheel limit unit and the support wheel mechanism are disassembled; Fig.21 It is a schematic diagram of the structure of the supporting tripod; Fig. 22 It is a schematic diagram of the structure of the partial support tripod; Fig.23 It is a structural schematic diagram of the support wheel mechanism; Fig.24 It is a schematic diagram of the structure after the support wheel limit unit is disassembled; Fig.25 It is a structural schematic diagram of the limiting wheel mounting plate; Fig.26 It is a structural schematic diagram of the limiting wheel mechanism.

[0017] In the figure: 01, main frame; 011, upper mounting plate; 0111, wheel frame connecting column; 012, lower frame; 0121, wiring opening; 0122, movable opening; 0123, connecting column; 02, wheel frame; 021, connecting frame; 0211, connecting plate; 022, movable frame; 0221, first rotating rod; 0222, first connecting seat; 0223, second connecting seat; 023, first rotating seat; 024, second rotating seat; 03, Obstacle climbing height increasing unit; 1. electric wheel; 2. universal wheel mechanism; 21. triangular mounting plate; 22. rotating connector; 23. universal wheel; 3. driving assembly; 4. pushing mechanism; 41. first servo electric cylinder; 42. connecting plate; 43. pushing plate; 5. driving mechanism; 51. second servo electric cylinder; 52. piston rod; 521. limit block; 53. connecting frame; 531. first mounting port; 532. first through hole; 6. pushing frame; 61. L-shaped connecting plate; 611, second through hole; 612, second mounting opening; 62, push rod; 63, fixing component; 7, limiting mechanism; 71, limiting plate; 711, first push rod movable groove; 712, limiting plate; 713, first rotation hole; 714, upper mounting plate of limiting mechanism; 72, second rotation rod; 8, supporting tripod; 81, second push rod movable groove; 82, second rotation hole; 83, reinforcing plate; 84, first mounting hole; 85, rotation groove; 86, The third rotating rod; 87, the limiting baffle; 9, the supporting wheel limiting unit; 91, the limiting wheel mounting plate; 911, the second mounting hole; 912, the first sliding hole; 913, the second sliding hole; 92, the limiting wheel mechanism; 921, the wheel seat; 922, the pulley; 923, the first sliding rod; 924, the second sliding rod; 93, the spring; 10, the supporting wheel mechanism; 101, the supporting wheel connecting frame; 1011, the third rotating hole; 102, the limiting protrusion; 103, the supporting wheel. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0019] Reference Figure 1-26 A multifunctional obstacle-crossing vehicle frame comprises a main frame body 01, the main frame body 01 comprises a lower frame 012, an upper mounting plate 011 is arranged on the top of the lower frame 012, wheel frame connecting columns 0111 are arranged on the lower end surfaces of the sides of the upper mounting plate 011, the wheel frame 02 is fixedly connected to the bottom of the wheel frame connecting column 0111, obstacle-crossing heightening units 03 are symmetrically arranged on the upper surface of the lower frame 012, a driving assembly 3 is arranged on one side of the obstacle-crossing heightening unit 03 on the upper surface of the lower frame 012, and the obstacle-crossing heightening unit 03 comprises a pushing frame 6, and one side of the pushing frame 6 is connected A driving mechanism 5 is provided, and a limiting mechanism 7 is provided on the other side of the pushing frame 6 away from the driving mechanism 5. The limiting mechanism 7 is installed at the lower end surface of the upper mounting plate 011, and a supporting tripod 8 is rotatably matched on the limiting mechanism 7. A supporting wheel limiting unit 9 is installed on the surface of one side of the supporting tripod 8. The supporting tripod 8 is located at the bottom of the surface of the side where the supporting wheel limiting unit 9 is installed, and is rotatably matched with a supporting wheel mechanism 10. The obstacle-crossing height-increasing unit 03 can lift the front side of the main frame 01, thereby lifting the movable frame 022, so that the universal wheel mechanism 2 can be lifted above the obstacle.

[0020] In addition, a wiring opening 0121 is provided on one side of the lower frame 012 located at the driving component 3, a movable opening 0122 is provided on one side of the wiring opening 0121 of the lower frame 012, a plurality of connecting columns 0123 for connecting to the upper mounting plate 011 are provided on the top surface of the lower frame 012, a pushing mechanism 4 is provided on the lower end surface above the movable opening 0122 of the upper mounting plate 011, and the movable opening 0122 facilitates the movement of the pushing mechanism 4.

[0021] Among them, the wheel frame 02 includes a connecting frame body 021, which is fixedly connected to the bottom of the wheel frame connecting column 0111, and connecting plates 0211 are arranged at the ends of both sides of the connecting frame body 021, a first rotating seat 023 is installed at the bottom of the connecting plate 0211 on one side, and a movable frame body 022 is installed at the bottom of the connecting plate 0211 on the other side. The first rotating seat 023 installed at the bottom of the connecting plate 0211 is rotatably matched with a universal wheel mechanism 2 at the bottom, a first rotating rod 0221 is arranged at the top position of the middle section of the movable frame body 022, and the first rotating rod 0221 is rotatably matched with a second rotating seat 024, and the second rotating seat 024 is installed at the bottom of the connecting plate 0211, a second connecting seat 0223 is arranged at the end of one side of the movable frame body 022, and a first connecting seat 0222 is arranged at the end of the other side of the movable frame body 022, and the first connecting seat 0222 is used to connect the mechanisms on both sides.

[0022] Moreover, an electric wheel 1 is rotatably arranged on the second connecting seat 0223, and the electric wheel 1 is electrically connected to the driving assembly 3. A first rotating seat 023 is installed at the bottom of the first connecting seat 0222, and a universal wheel mechanism 2 is rotatably arranged at the bottom of the first rotating seat 023 of the first connecting seat 0222. The electric wheel 1 is a wheel driven by an internal hub motor, so that the electric wheels 1 on both sides can rotate in different directions.

[0023] In addition, the universal wheel mechanism 2 includes a triangular mounting plate 21, and a rotating connector 22 for rotatingly fitting on the first rotating seat 023 is symmetrically arranged on the top surface of the triangular mounting plate 21. A plurality of universal wheels 23 are evenly arranged and installed on the bottom of the triangular mounting plate 21, and the universal wheels 23 make the rotation of the frame more flexible.

[0024] At the same time, the pushing mechanism 4 includes a first servo electric cylinder 41. The top of the first servo electric cylinder 41 is installed on the lower end surface of the upper mounting plate 011. A connecting plate 42 is installed at the lower end of the piston rod at the bottom output end of the first servo electric cylinder 41. A push plate 43 is fixedly connected to one side of the connecting plate 42. The push plate 43 is located above the movable frame 022, and the push plate 43 is used to resist the movable frame 022.

[0025] Among them, the driving mechanism 5 includes a second servo electric cylinder 51, which is installed on the top surface of the lower frame 012. A piston rod 52 is provided at the output end of the second servo electric cylinder 51, and a connecting frame 53 is installed at the end of the piston rod 52. A limit block 521 is provided at the end of the piston rod 52, and a screw hole for installing a fixing component is provided on the limit block 521. A first installation port 531 for installing the limit block 521 is provided through the middle of a plate on one side of the connecting frame 53, and a first through hole 532 for installing the pushing frame 6 is symmetrically provided on the other side of the plate of the connecting frame 53 away from the first installation port 531. The piston rod 52 is used to pull the connecting frame 53.

[0026] In addition, the pushing frame 6 includes an L-shaped connecting plate 61, which is symmetrically installed on the surface of the plate body of the connecting frame 53 located at the first through hole 532. A second installation port 612 is opened through the end of one side of the L-shaped connecting plate 61, and a second through hole 611 coaxial with the first through hole 532 is symmetrically opened on the plate body at the other end. Push rods 62 are installed at the second installation ports 612 on both sides, and fixing components 63 are installed at the ends of both sides of the push rod 62. The push rod 62 is used to pull the supporting bracket 8 to rotate.

[0027] Among them, the limiting mechanism 7 includes a limiting plate 71, which is symmetrically installed on the lower end surface of the upper mounting plate 011, and a limiting mechanism upper mounting plate 714 for mounting on the bottom of the upper mounting plate 011 is horizontally arranged on the top of the limiting plate 71. A first pushing rod movable groove 711 for pushing the rod 62 to move horizontally is opened on the limiting plate 71, and a limiting abutment plate 712 for resisting the supporting leg 8 is arranged on the side surface of the limiting plate 71 facing the other side. A first rotating hole 713 is opened on the top of the limiting plate 71, and second rotating rods 72 are installed at the first rotating holes 713 on both sides. The supporting leg 8 rotates and cooperates with the second rotating rod 72, and the limiting mechanism 7 is used to limit the rotation range of the supporting leg 8.

[0028] At the same time, a second rotating hole 82 for rotating cooperation with the second rotating rod 72 is opened on the top of the supporting tripod 8, and a second pushing rod movable groove 81 for pushing the rod 62 is opened on the supporting tripod 8 at one side of the second rotating hole 82. Reinforcing plates 83 are symmetrically arranged at the inner corners of the supporting tripod 8, and a first mounting hole 84 for installing the supporting wheel limiting unit 9 is symmetrically opened on the inner surface of the supporting tripod 8. The supporting tripod 8 is opened on one side of the first mounting hole 84. A third rotating rod 86 is arranged in the rotating groove 85, and the supporting wheel mechanism 10 is rotatably cooperated with the third rotating rod 86. A limiting baffle 87 is arranged on the outer surface of the supporting tripod 8 and at one side of the rotating groove 85. The rotating groove 85 is used to realize the rotation of the supporting wheel mechanism 10.

[0029] Moreover, the support wheel limiting unit 9 includes a limiting wheel mounting plate 91, which is mounted at the first mounting hole 84, and the bottom of the limiting wheel mounting plate 91 is slidably matched with the limiting wheel mechanism 92, and a second mounting hole 911 coaxial with the first mounting hole 84 is symmetrically opened on the top plate of the limiting wheel mounting plate 91, and a first sliding hole 912 is opened in the middle of the bottom plate of the limiting wheel mounting plate 91, and second sliding holes 913 are symmetrically opened on both sides of the first sliding hole 912, and the limiting wheel mechanism 92 includes a wheel seat 921, and the wheel seat 921 is provided with a plurality of second sliding holes 913. A pulley 922 is rotatably matched, and a first slide rod 923 is vertically arranged in the middle of the top surface of the wheel seat 921, and a second slide rod 924 is vertically arranged on both sides of the first slide rod 923, and a spring 93 is sleeved on the outside of the first slide rod 923. One end of the spring 93 is fixedly connected to the top surface of the wheel seat 921, and the other end of the spring 93 is fixedly connected to the lower end surface of the bottom plate body of the limiting wheel mounting plate 91. The spring 93 is used for resetting the limiting wheel mechanism 92.

[0030] At the same time, the support wheel mechanism 10 includes a support wheel connecting frame 101, which is slidably fitted on the third rotating rod 86. Support wheels 103 are rotatably connected on both sides of the top of the support wheel connecting frame 101. A limiting protrusion 102 is provided on the other side surface of the support wheel connecting frame 101 away from the supporting tripod 8. A third rotating hole 1011 is opened on the top of the support wheel connecting frame 101. The limiting protrusion 102 is semi-spherical, which is convenient for being supported by the support wheel limiting unit 9.

[0031] In this embodiment, the frame of the present invention can be used in working environments such as outdoor operations and surveys. When the frame moves forward and backward, the operator controls the electric wheel 1 through the drive component 3, and the drive component 3 is used for control and power supply. When moving forward and backward in a straight line, the electric wheels 1 on both sides can be controlled to rotate synchronously. When turning, the electric wheel 1 relies on the internal separate hub motor to achieve on-the-spot turning. It only needs to control the electric wheels 1 on both sides to rotate in opposite directions. This makes it easy for the frame of the present invention to complete the turning work in a small and effective space.

[0032] Furthermore, during the travel of the vehicle frame, the three universal wheels 23 of the universal wheel mechanism 2 achieve a larger contact area of ​​the universal wheel mechanism 2, so that the travel of the vehicle frame is more stable, and the steering of the three universal wheels 23 is more flexible.

[0033] When the vehicle frame encounters a high obstacle on the road during driving, the power of the hub motor of the electric wheel 1 is insufficient for the entire main frame 01 to drive the front universal wheel mechanism 2 to directly cross the obstacle. At this time, it is necessary to control the obstacle-crossing height-increasing unit 03 to lift the movable frame 022.

[0034] When the obstacle-surmounting height-increasing unit 03 is not in contact with the ground, the height of the supporting wheel mechanism 10 is higher than the universal wheel mechanism 2. When the movable frame 022 needs to be supported, the driving mechanisms 5 on both sides are controlled to synchronously pull the supporting legs 8, and the second servo electric cylinder 51 is controlled to drive the piston rod 52 to contract, and the piston rod 52 pulls the connecting frame 53, so that the connecting frame 53 pulls the pushing frame 6 on one side. When the pushing frame 6 moves, the pushing rod 62 moves horizontally at the first pushing rod movable groove 711. When the pushing rod 62 moves horizontally at the first pushing rod movable groove 711, the pushing rod 62 moves horizontally at the first pushing rod movable groove 712. When the movable groove 711 moves laterally toward the main frame body 01, because the pushing rod 62 is also in the second pushing rod movable groove 81, when the pushing rod 62 moves, the supporting tripod 8 rotates with the second rotating rod 72 as the axis. Under the restriction of the first pushing rod movable groove 711, it is ensured that the pushing rod 62 always moves in a horizontal linear direction. When the pushing rod 62 moves in a horizontal linear direction, the pushing rod 62 will drive the supporting tripod 8 to rotate counterclockwise with the second rotating rod 72 as the axis, so that the height of its supporting wheel mechanism 10 can slowly decrease.

[0035] As the supporting wheel mechanism 10 descends, the height of the supporting wheel mechanism 10 gradually becomes lower than the universal wheel mechanism 2. Once it is lower than the height of the universal wheel mechanism 2, the supporting wheel mechanism 10 contacts the ground and cooperates with the connecting frame 021 to realize that the main frame 01 is supported by the supporting tripod 8 and the universal wheel mechanism 2 at the bottom of the connecting frame 021. At this time, the movable frame 022 is lifted up as the supporting tripod 8 slowly props up the main frame 01, and the height of the universal wheel mechanism 2 at the bottom of the movable frame 022 becomes higher.

[0036] In addition, due to the angle relationship between the support wheel mechanism 10 and the support stand 8, when the support wheel mechanism 10 lands, it cooperates with the support wheel limiting unit 9 to resist it and prevent it from rotating and shrinking.

[0037] After the movable frame 022 is lifted, the operator controls the pushing mechanism 4. Because the movable frame 022 is lifted, the electric wheel 1 is in a suspended state. In order to ensure that the electric wheel 1 can provide power, the operator controls the pushing mechanism 4 to press the electric wheel 1 downward, and the first servo electric cylinder 41 pushes its piston rod downward, driving the connecting plate 42 and the push plate 43 on one side to press the movable frame 022 downward, and the movable frame 022 is rotated on the first rotating rod 0221 to cooperate with the second rotating seat 024, so that when the push plate 43 presses the movable frame 022 downward, the movable frame 022 can rotate with the first rotating rod 0221 as the axis, so that the universal wheel mechanism 2 on one side is tilted, and the electric wheel 1 is pressed down to contact the ground, which can provide forward power.

[0038] After the electric wheel 1 contacts the ground, the electric wheel 1 can be controlled to drive the main frame 01 forward. At this time, the universal wheel mechanism 2 raised on the front side will pass the obstacle and be located above the road surface with a higher height. At this time, the driving mechanism 5 is controlled to extend the piston rod 52, so as to lift and retract the supporting tripod 8 upward, and drop the universal wheel mechanism 2 raised on the front side onto the ground with a higher height. When the supporting tripod 8 is lifted and retracted, once the supporting wheel mechanism 10 contacts an obstacle, the supporting wheel mechanism 10 will be restricted by the obstacle. When the supporting tripod 8 rotates, the supporting wheel connecting frame 101 of the supporting wheel mechanism 10 will rotate with the third rotating rod 86, so as to realize the rotation and retraction of the supporting wheel mechanism 10 as a whole, so that when the supporting tripod 8 is lifted, the supporting wheel mechanism 10 will not be affected by the obstacle, resulting in the inability to retract the supporting tripod 8.

[0039] And when the supporting wheel mechanism 10 is not restricted by obstacles, the supporting wheel limiting unit 9 will push the supporting wheel mechanism 10 to reset. The spring 93 on the first slide bar 923 is squeezed by external force and becomes a contracted state. In the absence of external force restriction, the spring 93 releases elastic potential energy, thereby driving the first slide bar 923 to move in the first slide hole 912. The second slide bars 924 on both sides ensure that the wheel seat 921 always moves in a linear manner. When the wheel seat 921 moves in a linear manner, the pulley 922 will push the semi-spherical limiting protrusion 102, thereby pushing the supporting wheel mechanism 10 to rotate and reset.

[0040] After the supporting tripod 8 is retracted and raised, the raised universal wheel mechanism 2 will be located on a road surface with a higher height. At this time, because one universal wheel mechanism 2 is already located on a road surface with a higher height, the operator can control the electric wheel 1 to move forward to pass the obstacle smoothly. The last universal wheel mechanism 2 can pass more easily because the front movable frame 022 is already located on a road surface with a higher height.

[0041] In the present invention, the wheel frame 02 is provided to make the frame of the outdoor equipment more flexible, and when turning around in a narrow space, the electric wheel 1 can turn around on the spot, and when the universal wheel mechanism 2 cannot pass directly due to an obstacle, the universal wheel mechanism 2 can be effectively lifted up by the obstacle-crossing height-increasing unit 03, thereby effectively crossing the obstacle, so that the movable frame 022 can cross the blocking obstacle. The frame of the present invention can make the outdoor equipment more flexible and can travel on more complex terrains.

[0042] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A multifunctional obstacle-crossing vehicle frame, comprising a main frame (01), characterized in that: The main frame (01) comprises a lower frame (012), an upper mounting plate (011) is arranged on the top of the lower frame (012), wheel frame connecting columns (0111) are arranged on the lower end surfaces of the sides of the upper mounting plate (011), the wheel frame (02) is fixedly connected to the bottom of the wheel frame connecting column (0111), obstacle-crossing height-increasing units (03) are symmetrically arranged on the upper surface of the lower frame (012), and a driving assembly (3) is arranged on the upper surface of the lower frame (012) on one side of the obstacle-crossing height-increasing units (03); The obstacle-surmounting height-increasing unit (03) comprises a pushing frame (6), one side of the pushing frame (6) is connected to a driving mechanism (5), a limiting mechanism (7) is provided on the other side of the pushing frame (6) away from the driving mechanism (5), the limiting mechanism (7) is mounted on the lower end surface of the upper mounting plate (011), a supporting foot frame (8) is rotatably engaged with the limiting mechanism (7), a supporting wheel limiting unit (9) is mounted on the surface of one side of the supporting foot frame (8), and the supporting foot frame (8) is located at the bottom of the surface of the side on which the supporting wheel limiting unit (9) is mounted, and is rotatably engaged with the supporting wheel mechanism (10).

2. The multifunctional obstacle-crossing frame according to claim 1, characterized in that: A wiring opening (0121) is provided through the lower frame (012) on one side of the driving assembly (3); a movable opening (0122) is provided through the lower frame (012) on one side of the wiring opening (0121); and a plurality of connection columns (0123) for connecting to the upper mounting plate (011) are provided on the top surface of the lower frame (012); A pushing mechanism (4) is provided on the lower end surface above the movable opening (0122) of the upper mounting plate (011).

3. The multifunctional obstacle-crossing frame according to claim 1, characterized in that: The wheel frame (02) comprises a connecting frame body (021), the connecting frame body (021) is fixedly connected to the bottom of the wheel frame connecting column (0111), connecting plates (0211) are arranged at both ends of the connecting frame body (021), a first rotating seat (023) is installed at the bottom of the connecting plate (0211) on one side, and a movable frame body (022) is installed at the bottom of the connecting plate (0211) on the other side; The first rotating seat (023) installed at the bottom of the connecting plate (0211) is rotatably matched with a universal wheel mechanism (2) at the bottom, a first rotating rod (0221) is provided at the top position of the middle section of the movable frame (022), a second rotating seat (024) is rotatably matched on the first rotating rod (0221), the second rotating seat (024) is installed at the bottom of the connecting plate (0211), a second connecting seat (0223) is provided at one end of the movable frame (022), and a first connecting seat (0222) is provided at the other end of the movable frame (022); An electric wheel (1) is rotatably arranged on the second connecting seat (0223), and the electric wheel (1) is electrically connected to the driving assembly (3). A first rotating seat (023) is installed at the bottom of the first connecting seat (0222), and a universal wheel mechanism (2) is rotatably arranged at the bottom of the first rotating seat (023) of the first connecting seat (0222).

4. The multifunctional obstacle-crossing frame according to claim 3, characterized in that: The universal wheel mechanism (2) comprises a triangular mounting plate (21), a rotating connector (22) for rotationally engaging with the first rotating seat (023) being symmetrically arranged on the top surface of the triangular mounting plate (21), and a plurality of universal wheels (23) being evenly arranged and mounted on the bottom of the triangular mounting plate (21).

5. The multifunctional obstacle-crossing frame according to claim 2, characterized in that: The pushing mechanism (4) comprises a first servo electric cylinder (41), the top of the first servo electric cylinder (41) being mounted on the lower surface of the upper mounting plate (011), a connecting plate (42) being mounted on the lower end of the piston rod at the bottom output end of the first servo electric cylinder (41), a push plate (43) being fixedly connected to one side of the connecting plate (42), and the push plate (43) being located above the movable frame (022).

6. The multifunctional obstacle-crossing frame according to claim 1, characterized in that: The driving mechanism (5) comprises a second servo electric cylinder (51), the second servo electric cylinder (51) being mounted on the top surface of the lower frame (012), a piston rod (52) being provided at the output end of the second servo electric cylinder (51), and a connecting frame (53) being mounted at the end of the piston rod (52); A limit block (521) is provided at the end of the piston rod (52), a screw hole for mounting a fixing component is provided on the limit block (521), a first mounting opening (531) for mounting the limit block (521) is provided through the middle of a plate on one side of the connecting frame (53), and a first through hole (532) for mounting the pushing frame (6) is symmetrically provided on a plate on the other side of the connecting frame (53) away from the first mounting opening (531); The pushing frame (6) comprises an L-shaped connecting plate (61), and the L-shaped connecting plate (61) is symmetrically mounted on the surface of the plate body of the connecting frame (53) located at the first through hole (532); A second installation opening (612) is formed through the end of one side of the L-shaped connecting plate (61), and a second through hole (611) coaxial with the first through hole (532) is symmetrically formed on the plate body of the other side of the end; Push rods (62) are installed at the second installation openings (612) on both sides, and fixing components (63) are installed at the ends of both sides of the push rods (62).

7. The multifunctional obstacle-crossing frame according to claim 1, characterized in that: The limiting mechanism (7) comprises a limiting plate (71), the limiting plate (71) being symmetrically mounted on the lower end surface of the upper mounting plate (011), a limiting mechanism upper mounting plate (714) for mounting on the bottom of the upper mounting plate (011) being horizontally arranged on the top of the limiting plate (71), a first push rod movable groove (711) for the push rod (62) to move horizontally is formed through the limiting plate (71), and a limiting stop plate (712) for abutting against the supporting leg (8) is provided on a side surface of the limiting plate (71) facing the other side of the limiting plate (71); A first rotation hole (713) is formed through the top of the limiting plate (71), and second rotation rods (72) are installed at the first rotation holes (713) on both sides, and the supporting stand (8) is rotationally engaged with the second rotation rods (72).

8. The multifunctional obstacle-crossing frame according to claim 7, characterized in that: A second rotation hole (82) for rotationally engaging the second rotation rod (72) is provided on the top of the support bracket (8); a second push rod movable groove (81) for movement of the push rod (62) is provided on one side of the second rotation hole (82) on the support bracket (8); and a reinforcing plate (83) is symmetrically provided at the inner corner of the support bracket (8); A first mounting hole (84) for mounting the supporting wheel limiting unit (9) is symmetrically provided on the inner surface of the supporting foot frame (8); a rotation groove (85) is provided on one side of the supporting foot frame (8) located at the first mounting hole (84); a third rotating rod (86) is provided in the rotation groove (85); a supporting wheel mechanism (10) is rotatably engaged with the third rotating rod (86); and a limiting baffle (87) is provided on the outer surface of the supporting foot frame (8) and located on one side of the rotation groove (85).

9. The multifunctional obstacle-crossing frame according to claim 8, characterized in that: The support wheel limiting unit (9) comprises a limiting wheel mounting plate (91), the limiting wheel mounting plate (91) being mounted at the first mounting hole (84), the limiting wheel mounting plate (91) having a bottom that is slidably matched with a limiting wheel mechanism (92), a second mounting hole (911) coaxial with the first mounting hole (84) being symmetrically provided on the top plate body of the limiting wheel mounting plate (91), a first sliding hole (912) being provided in the middle of the bottom plate body of the limiting wheel mounting plate (91), and second sliding holes (913) being symmetrically provided on both sides of the first sliding hole (912); The limiting wheel mechanism (92) comprises a wheel seat (921), a pulley (922) rotatably engaged with the wheel seat (921), a first sliding rod (923) slidably engaged with the first sliding hole (912) being vertically arranged in the middle of the top surface of the wheel seat (921), second sliding rods (924) slidably engaged with the second sliding hole (913) being symmetrically vertically arranged on both sides of the first sliding rod (923), and a spring (93) being sleeved on the outside of the first sliding rod (923); One end of the spring (93) is fixedly connected to the top surface of the wheel seat (921), and the other end of the spring (93) is fixedly connected to the lower end surface of the bottom plate body of the limiting wheel mounting plate (91).

10. The multifunctional obstacle-crossing frame according to claim 8, characterized in that: The support wheel mechanism (10) comprises a support wheel connecting frame (101), the support wheel connecting frame (101) is slidably engaged with the third rotating rod (86), support wheels (103) are rotatably connected to both sides of the top of the support wheel connecting frame (101), and a limiting protrusion (102) is provided on the other side surface of the support wheel connecting frame (101) away from the supporting foot frame (8); A third rotation hole (1011) is provided on the top of the support wheel connecting frame (101).

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