Telescopic foot board and automated guided vehicle

Abstract

The utility model relates to a telescopic foot board and an automatic guided vehicle, and relates to the technical field of frame assembly auxiliary tools, the telescopic foot board comprises a foot board mechanism, the foot board mechanism is used for being arranged at the end of an AGV trolley, the foot board mechanism comprises a foot board frame and a folding plate, the foot board frame is used for being movably connected with the AGV trolley and can stretch out or retract relative to the AGV trolley, and the folding plate is arranged on the foot board frame; the folding plate is laid on the foot board frame and used for supporting an operator, and the folding plate can be unfolded or folded along with the extending or retracting movement of the foot board frame; the driving mechanism is connected with the foot board frame, and the driving mechanism is used for stretching out or retracting the foot board frame so as to unfold or fold the folding plate. Due to the fact that the driving mechanism can adjust the extending length of the foot board frame, the extending length of the foot board mechanism is further adjusted, the actual use length of the AGV trolley is changed, the actual use length is made to be matched with the size of the trolley frame, an operator can conveniently stand on the foot board mechanism to assemble the trolley head and the trolley tail, the assembly efficiency is improved, and the safety in the assembly process is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle frame assembly auxiliary tooling, in particular to a retractable step platform and an automatic guided transport vehicle. Background Art

[0002] AGV (Automated Guided Vehicle) is an unmanned transport device with functions such as automatic navigation, handling, positioning, and obstacle avoidance. AGV usually uses laser, visual, electromagnetic and other navigation methods, and can drive autonomously in complex environments to complete various transportation tasks. AGV is widely used in logistics, manufacturing, medical and other fields, which can improve work efficiency, reduce labor costs, and improve transportation safety.

[0003] In the prior art, AGV carts are widely used in frame production lines, and operators follow the carts to assemble the frames on the production line.

[0004] However, when the frame size is longer than the AGV, the operator needs to stand on the AGV's travel path when assembling the front and rear of the vehicle, which increases the difficulty of operation, thereby reducing assembly efficiency and posing certain safety hazards. Utility Model Content

[0005] The present application provides a retractable step and an automatic guided transport vehicle, which can solve the problem in the prior art that when the frame size is longer than the AGV vehicle, the operator needs to stand on the driving path of the AGV vehicle when assembling the front and rear of the vehicle, which increases the difficulty of operation and thus reduces the assembly efficiency, and there are certain safety hazards.

[0006] In a first aspect, an embodiment of the present application provides a retractable step platform, comprising:

[0007] A step mechanism, which is used to be arranged at the end of the AGV trolley, the step mechanism includes a step frame and a folding plate, the step frame is used to be movably connected with the AGV trolley, and can be extended or retracted relative to the AGV trolley, the folding plate is laid on the step frame, and is used to support the operator, and the folding plate can be unfolded or folded with the movement of extending or retracting the step frame;

[0008] A driving mechanism is connected to the step frame, and the driving mechanism is used to extend or retract the step frame to unfold or fold the folding board.

[0009] In combination with the first aspect, in one embodiment, the relative position of the folding plate close to the side of the AGV trolley and the AGV trolley is fixed, and the folding plate includes a plurality of support units arranged side by side along the movement direction of the platform frame, and adjacent support units are rotatably connected.

[0010] In combination with the first aspect, in one embodiment, the support unit includes two support plates arranged side by side along the movement direction of the step frame, the adjacent support plates are rotatably connected, and the connection between the two support plates located at the connection of adjacent support units is slidably connected to the step frame and slides along the step frame as the step frame moves.

[0011] In combination with the first aspect, in one embodiment, adjacent supporting units are rotatably connected via a first connecting member, and adjacent folding plates in the supporting units are rotatably connected via a second connecting member, the first connecting member is slidably connected to the step frame and slides along the step frame as the step frame moves, and the second connecting member moves along the movement direction and vertical direction of the step frame as the step frame moves to fold or unfold the folding plates.

[0012] In combination with the first aspect, in one embodiment, a slide groove is provided on the step frame, a limiting member is provided in the slide groove, the limiting member is slidably disposed in the slide groove, and the limiting member is connected to the first connecting member.

[0013] In combination with the first aspect, in one embodiment, mounting grooves are provided on both sides of the support plate, the mounting grooves of adjacent support plates are correspondingly arranged, and a first connecting member or a second connecting member is provided in two correspondingly arranged mounting grooves.

[0014] In combination with the first aspect, in one embodiment, a connecting plate is provided on the lower side of the step frame, and the connecting plate is connected to the driving mechanism.

[0015] In combination with the first aspect, in one embodiment, support wheels are provided on the lower side of the platform frame.

[0016] In combination with the first aspect, in one embodiment, a laser obstacle avoidance device is provided on the step mechanism, and the laser obstacle avoidance device is used to detect obstacles in front of or behind the AGV vehicle.

[0017] In a second aspect, an embodiment of the present application further provides an automated guided transport vehicle, comprising:

[0018] AGV car;

[0019] Two stepping mechanisms, which are respectively arranged at the two ends of the AGV trolley, the stepping mechanism comprises a stepping frame and a folding plate, the stepping frame is used to be movably connected with the AGV trolley, and can be extended or retracted relative to the AGV trolley, the folding plate is laid on the stepping frame, and is used to support the operator, and the folding plate can be unfolded or folded with the movement of extending or retracting the stepping frame;

[0020] A driving mechanism is connected to the step frame, and the driving mechanism is used to extend or retract the step frame to unfold or fold the folding board.

[0021] The beneficial effects brought by the technical solution provided in the embodiments of the present application include:

[0022] When the retractable step is used, the step mechanism is arranged at the end of the AGV trolley, the step frame is movably connected to the AGV trolley, the folding plate is laid on the step frame, so that the folding plate can be unfolded or folded with the movement of the step frame extending or retracting, and the driving mechanism is connected to the step frame, and is used to extend or retract the step frame to unfold or fold the folding plate. Since the driving mechanism can adjust the extended length of the step frame, and then adjust the extended length of the step mechanism to change the actual use length of the AGV trolley, so that the actual use length matches the frame size, it is convenient for the operator to stand on the step mechanism to assemble the front and rear of the trolley, improve the assembly efficiency, and improve the safety of the assembly process, and solve the problem in the prior art that when the frame size is longer than the AGV trolley, the operator needs to stand on the driving path of the AGV trolley when assembling the front and rear of the trolley, which increases the difficulty of operation, thereby reducing the assembly efficiency, and there are certain safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 The utility model is a schematic structural diagram of a telescopic stepping platform embodiment.

[0025] Figure 2 It is a schematic diagram of the top view of the structure of an automatic guided transport vehicle embodiment of the utility model with the folding plate unfolded.

[0026] Figure 3 It is a schematic diagram of the top view of the structure of a folding plate folded up in an embodiment of an automatic guided transport vehicle of the utility model.

[0027] Figure 4The utility model is a schematic diagram of a top view of a telescopic step frame in an embodiment of the utility model.

[0028] Figure 5 It is a structural schematic diagram of a support plate in an embodiment of a retractable step platform of the utility model.

[0029] Figure 6 The utility model is a schematic diagram of the structure of a driving mechanism in a telescopic stepping platform embodiment.

[0030] Figure 7 The utility model is a schematic side view of the structure of a telescopic step frame in an embodiment of the utility model.

[0031] Figure 8 It is a structural schematic diagram of a laser obstacle avoidance device in an embodiment of a retractable step platform of the utility model.

[0032] In the figure: 1. AGV trolley; 2. step mechanism; 21. step frame; 211. limiter; 212. connecting plate; 213. support wheel; 22. folding plate; 221. support plate; 2211. mounting groove; 3. driving mechanism; 4. first connecting member; 5. second connecting member; 6. laser obstacle avoidance device. DETAILED DESCRIPTION

[0033] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0034] The embodiments of the present application provide a retractable step and an automatic guided transport vehicle, which can solve the problem in the prior art that when the frame size is longer than the AGV vehicle, the operator needs to stand on the travel path of the AGV vehicle when assembling the front and rear of the vehicle, which increases the difficulty of operation and thus reduces the assembly efficiency, and there are certain safety hazards.

[0035] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6 As shown, on the one hand, the present application provides a retractable step platform, which includes:

[0036] The step mechanism 2 is used to be arranged at the end of the AGV trolley 1. The step mechanism 2 includes a step frame 21 and a folding plate 22. The step frame 21 is used to be movably connected with the AGV trolley 1 and can be extended or retracted relative to the AGV trolley 1. The folding plate 22 is laid on the step frame 21 to support the operator. The folding plate 22 can be unfolded or folded with the movement of the step frame 21 extending or retracting.

[0037] The driving mechanism 3 is connected to the platform frame 21 , and is used to extend or retract the platform frame 21 to unfold or fold the folding plate 22 .

[0038] When the retractable step is used, the step mechanism 2 is arranged at the end of the AGV trolley 1, the step frame 21 is movably connected to the AGV trolley 1, and the folding plate 22 is laid on the step frame 21, so that the folding plate 22 can be unfolded or folded with the movement of the step frame 21 extending or retracting, and the driving mechanism 3 is connected to the step frame 21, and is used to extend or retract the step frame 21 to unfold or fold the folding plate 22. Since the driving mechanism 3 can adjust the extended length of the step frame 21, and then adjust the extended length of the step mechanism 2, so as to change the actual use length of the AGV trolley, so that the actual use length matches the frame size, it is convenient for the operator to stand on the step mechanism 2 to assemble the front and rear of the trolley, improve the assembly efficiency, and improve the safety of the assembly process, and solve the problem that when the frame size is longer than the AGV trolley in the prior art, the operator needs to stand on the driving path of the AGV trolley when assembling the front and rear of the trolley, which increases the difficulty of operation, thereby reducing the assembly efficiency, and there are certain safety hazards.

[0039] In this example, the platform frame 21 and the folding plate 22 are both made of aluminum alloy to ensure structural strength, and an anti-slip pattern is provided on the upper surface of the folding plate 22. The driving mechanism 3 is a telescopic electric cylinder.

[0040] like Figure 2 and Figure 3 As shown, in some optional embodiments, the folding plate 22 is fixed in relative position to the AGV trolley 1 on one side thereof, and the folding plate 22 includes a plurality of support units arranged side by side along the movement direction of the platform frame 21, and adjacent support units are rotatably connected.

[0041] In this embodiment, the specific structure of the folding plate 22 is described. The folding plate 22 includes a plurality of support units arranged side by side along the movement direction of the platform frame 21. Adjacent support units are rotatably connected. The side of the folding plate 22 close to the AGV cart 1 is fixed in relative position to the AGV cart 1. When the platform frame 21 is extended to a first set length, the side of the folding plate 22 close to the AGV cart 1 remains stationary, and the plurality of support units are spread out. When the platform frame 21 is retracted to a second set length, the side of the folding plate 22 close to the AGV cart 1 remains stationary, and the plurality of support units are folded.

[0042] like Figure 2 , Figure 3 and Figure 5 As shown, in some optional embodiments, the support unit includes two support plates 221 arranged side by side along the movement direction of the platform frame 21, adjacent support plates 221 are rotatably connected, and the connection between the two support plates 221 located at the connection of adjacent support units is slidably connected to the platform frame 21, and slides along the platform frame 21 as the platform frame 21 moves.

[0043] In this embodiment, the structure of the support unit is specifically described. The support unit includes two support plates 221 arranged side by side along the movement direction of the platform frame 21. The adjacent support plates 221 are rotatably connected, and the connection between the two support plates 221 located at the connection of adjacent support units is slidably connected to the platform frame 21, and slides along the platform frame 21 as the platform frame 21 moves, so that the multiple support plates 221 can be smoothly unfolded and folded, thereby improving the structural stability of the retractable platform.

[0044] like Figure 2 and Figure 3 As shown, in some optional embodiments, adjacent supporting units are rotatably connected via a first connecting member 4, adjacent folding plates 22 in the supporting units are rotatably connected via a second connecting member 5, the first connecting member 4 is slidably connected to the platform frame 21, and slides along the platform frame 21 as the platform frame 21 moves, and the second connecting member 5 moves along the movement direction and vertical direction of the platform frame 21 as the platform frame 21 moves to fold or unfold the folding plates 22.

[0045] In this embodiment, adjacent supporting units are rotatably connected via a first connecting member 4, and adjacent folding plates 22 in the supporting units are rotatably connected via a second connecting member 5. The first connecting member 4 is slidably connected to the platform frame 21, and slides along the platform frame 21 as the platform frame 21 moves. The second connecting member 5 moves along the movement direction and vertical direction of the platform frame 21 as the platform frame 21 moves to fold or unfold the folding plates 22. The structure is simple and easy to manufacture, so that multiple support plates 221 can be smoothly unfolded and folded, thereby improving the structural stability of the retractable platform.

[0046] like Figure 7 As shown, in some optional embodiments, a slide groove is provided on the platform frame 21 , a limiting member 211 is provided in the slide groove, the limiting member 211 is slidably disposed in the slide groove, and the limiting member 211 is connected to the first connecting member 4 .

[0047] In this embodiment, a slide groove is provided on the platform frame 21, and a limit member 211 is provided in the slide groove. The limit member 211 can be slidably set in the slide groove. The limit member 211 is connected to the first connecting member 4, so that the first connecting member 4 can slide along the platform frame 21 as the platform frame 21 moves. The structure is simple and easy to manufacture, so that multiple support plates 221 can be smoothly unfolded and folded, thereby improving the structural stability of the retractable platform.

[0048] like Figure 2 , Figure 3 and Figure 5 As shown, in some optional embodiments, mounting grooves 2211 are provided on both sides of the support plate 221 , the mounting grooves 2211 of adjacent support plates 221 are correspondingly provided, and the first connecting member 4 or the second connecting member 5 is provided in the two correspondingly provided mounting grooves 2211 .

[0049] In this embodiment, installation grooves 2211 are provided on both sides of the support plate 221, and the installation grooves 2211 of adjacent support plates 221 are correspondingly provided. The first connecting member 4 or the second connecting member 5 is provided in the two correspondingly provided installation grooves 2211 to facilitate the installation of the first connecting member 4 and the second connecting member 5.

[0050] like Figure 6 and Figure 7 As shown, in some optional embodiments, a connecting plate 212 is provided on the lower side of the platform frame 21 , and the connecting plate 212 is connected to the driving mechanism 3 .

[0051] In this embodiment, a connecting plate 212 is provided on the lower side of the step frame 21 , and the connecting plate 212 is connected to the driving mechanism 3 , so as to facilitate the connection between the driving mechanism 3 and the step frame 21 and make installation more convenient.

[0052] like Figure 7 As shown, in some optional embodiments, a support wheel 213 is provided on the lower side of the platform frame 21 .

[0053] In this embodiment, a support wheel 213 is provided on the lower side of the platform frame 21 to make the platform frame 21 more stable and prevent structural damage when the platform frame 21 is bearing weight. The support wheel 213 can also facilitate the extension or retraction of the platform frame 21.

[0054] like Figure 1 , Figure 7 and Figure 8As shown, in some optional embodiments, a laser obstacle avoidance device 6 is provided on the step mechanism 2 , and the laser obstacle avoidance device 6 is used to detect obstacles in front of or behind the AGV 1 .

[0055] In this embodiment, a laser obstacle avoidance device 6 is provided on the step mechanism 2 , and the laser obstacle avoidance device 6 is used to detect obstacles in front of or behind the AGV 1 , thereby improving the safety of the operation of the AGV 1 and preventing obstacles from affecting the operation of the AGV 1 .

[0056] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6 As shown, on the other hand, the present application also provides an automatic guided transport vehicle, which includes:

[0057] AGV car 1;

[0058] Two stepping mechanisms 2 are respectively arranged at both ends of the AGV trolley 1. The stepping mechanism 2 includes a stepping frame 21 and a folding plate 22. The stepping frame 21 is used to be movably connected with the AGV trolley 1 and can be extended or retracted relative to the AGV trolley 1. The folding plate 22 is laid on the stepping frame 21 to support the operator. The folding plate 22 can be unfolded or folded with the movement of extending or retracting the stepping frame 21;

[0059] The driving mechanism 3 is connected to the platform frame 21 , and is used to extend or retract the platform frame 21 to unfold or fold the folding plate 22 .

[0060] When the AGV is used, the step mechanism 2 is arranged at the end of the AGV trolley 1, the step frame 21 is movably connected to the AGV trolley 1, and the folding plate 22 is laid on the step frame 21, so that the folding plate 22 can be unfolded or folded with the movement of the step frame 21 extending or retracting, and the driving mechanism 3 is connected to the step frame 21, and is used to extend or retract the step frame 21 to unfold or fold the folding plate 22. Since the driving mechanism 3 can adjust the extended length of the step frame 21, and then adjust the extended length of the step mechanism 2, so as to change the actual use length of the AGV trolley, so that the actual use length matches the frame size, it is convenient for the operator to stand on the step mechanism 2 to assemble the front and rear of the trolley, improve the assembly efficiency, and improve the safety of the assembly process, and solve the problem in the prior art that when the frame size is longer than the AGV trolley, the operator needs to stand on the driving path of the AGV trolley when assembling the front and rear of the trolley, which increases the difficulty of operation, thereby reducing the assembly efficiency, and there are certain safety hazards.

[0061] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0062] It should be noted that, in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0063] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. A retractable step platform, characterized in that: include: A step mechanism (2) is arranged at the end of an AGV trolley (1), the step mechanism (2) comprising a step frame (21) and a folding plate (22), the step frame (21) being movably connected to the AGV trolley (1) and being able to extend or retract relative to the AGV trolley (1), the folding plate (22) being laid on the step frame (21) and being used to support an operator, the folding plate (22) being able to unfold or fold up as the step frame (21) extends or retracts; A driving mechanism (3) is connected to the step frame (21), and the driving mechanism (3) is used to extend or retract the step frame (21) to unfold or fold the folding plate (22).

2. A retractable step platform as claimed in claim 1, characterized in that: The side of the folding plate (22) close to the AGV trolley (1) is fixed in relative position to the AGV trolley (1); the folding plate (22) comprises a plurality of support units arranged side by side along the moving direction of the platform frame (21); adjacent support units are rotatably connected.

3. A retractable step platform as claimed in claim 2, characterized in that: The support unit comprises two support plates (221) arranged side by side along the movement direction of the platform frame (21), the adjacent support plates (221) are rotatably connected, and the connection between the two support plates (221) located at the connection of adjacent support units is slidably connected to the platform frame (21) and slides along the platform frame (21) as the platform frame (21) moves.

4. A retractable step platform as claimed in claim 3, characterized in that: The adjacent supporting units are rotatably connected via a first connecting member (4), and the adjacent folding plates (22) in the supporting units are rotatably connected via a second connecting member (5). The first connecting member (4) is slidably connected to the platform frame (21) and slides along the platform frame (21) as the platform frame (21) moves. The second connecting member (5) moves along the movement direction and vertical direction of the platform frame (21) as the platform frame (21) moves, so as to fold or unfold the folding plates (22).

5. A retractable step platform as claimed in claim 4, characterized in that: The step frame (21) is provided with a slide groove, and a limiting member (211) is provided in the slide groove. The limiting member (211) is slidably arranged in the slide groove, and the limiting member (211) is connected to the first connecting member (4).

6. A retractable step platform as claimed in claim 4, characterized in that: Mounting grooves (2211) are provided on both sides of the support plate (221), the mounting grooves (2211) of adjacent support plates (221) are arranged correspondingly, and a first connecting member (4) or a second connecting member (5) is arranged in two correspondingly arranged mounting grooves (2211).

7. A retractable step platform as claimed in claim 1, characterized in that: A connecting plate (212) is provided on the lower side of the step frame (21), and the connecting plate (212) is connected to the driving mechanism (3).

8. A retractable step platform as claimed in claim 1, characterized in that: A supporting wheel (213) is provided on the lower side of the step frame (21).

9. A retractable step platform as claimed in claim 1, characterized in that: The stepping mechanism (2) is provided with a laser obstacle avoidance device (6), and the laser obstacle avoidance device (6) is used to detect obstacles in front of or behind the AGV vehicle (1).

10. An automated guided vehicle, characterized in that: include: AGV car (1); Two stepping mechanisms (2) are respectively arranged at two ends of the AGV trolley (1), the stepping mechanism (2) comprises a stepping frame (21) and a folding plate (22), the stepping frame (21) is used to be movably connected with the AGV trolley (1), and can be extended or retracted relative to the AGV trolley (1), the folding plate (22) is laid on the stepping frame (21) and is used to support an operator, and the folding plate (22) can be unfolded or folded along with the movement of the stepping frame (21) extending or retracting; A driving mechanism (3) is connected to the step frame (21), and the driving mechanism (3) is used to extend or retract the step frame (21) to unfold or fold the folding plate (22).

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