Narrow roadway forklift AGV

Abstract

The utility model relates to the technical field of forklifts, in particular to a narrow roadway forklift AGV (automatic guided vehicle), which comprises a traveling mechanism, a portal frame mechanism arranged on one side of the traveling mechanism, a lifting mechanism arranged on the portal frame mechanism and a horizontal driving mechanism. And the transverse moving driving assembly can drive the base and the structure on the base to be integrally and transversely moved to a set position to carry materials, the operation space is reduced, and the transportation efficiency is higher. A door frame of the door frame mechanism is fixed above the supporting frame, and the pallet fork is arranged on the door frame in a sliding mode and connected with the lifting mechanism. The supporting frame is arranged between the door frame and the base, and the supporting frame is clamped and slidably arranged on the base, so that the stability of connection between the supporting frame and the base is higher. The supporting frame can also provide larger supporting force for the door frame and the pallet fork so as to improve the bearing strength of the door frame, and therefore the lifting height of the pallet fork can be increased, materials at the high position can be conveniently carried or more materials can be carried at a time, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of forklifts, in particular to an AGV (Automated Guided Vehicle) forklift in a narrow aisle. Background Art

[0002] AGVs are widely used in transportation processes within warehousing and production lines. A large number of laser forklift AGVs are required to carry out material flow between warehousing and production workstations, between production processes, and after processing is completed and returned to the warehousing system. Laser forklift AGVs, also known as laser-guided forklift AGVs, utilize a laser system installed on the AGV to accurately locate the workpiece according to a planned route, independently transporting the workpiece without human intervention. They offer a high degree of automation and high transportation efficiency.

[0003] However, the modern warehousing industry is increasingly pursuing dense storage. The smaller the spacing, the larger the storage capacity of the entire warehouse and the higher the stacking height. Existing forklifts are small in size and have limited lifting heights, making it difficult to move materials at heights, affecting work efficiency. Utility Model Content

[0004] In order to solve the technical defects raised in the above background technology, the purpose of the present utility model is to provide a narrow aisle forklift AGV.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A narrow aisle forklift AGV, which includes a walking mechanism, a gantry mechanism arranged on one side of the walking mechanism, a lifting mechanism arranged on the gantry mechanism and a horizontal drive mechanism; the walking mechanism includes a base and a transverse drive assembly for driving the base to move laterally; the gantry mechanism includes a door frame, a fork and a support frame; the door frame is fixed to the top of the support frame, the fork is slidably arranged on the door frame, and the fork is connected to the lifting mechanism; the bottom of the support frame is clamped on the base and is slidably arranged along the width direction of the base, and the support frame is fixedly connected to the horizontal drive mechanism to drive the door frame and the fork to extend or retract.

[0007] By adopting the above technical solution, the transverse drive assembly can drive the base and the entire structure on it to automatically move to a set position for material handling operations, thereby improving transportation efficiency. A support frame is installed between the door frame and the base. The support frame is clamped and slidably mounted on the base, making the connection between the support frame and the base more stable. Moreover, the support frame can also provide greater support for the door frame and fork, thereby improving the load-bearing strength of the door frame, thereby increasing the lifting height of the fork, facilitating the handling of materials at high altitudes or moving more materials at once, thereby improving work efficiency.

[0008] Furthermore, the base is provided with two open mounting grooves along its length, and the length direction of the mounting grooves is consistent with the movement direction of the fork. The support frame includes a support plate, two vertical plates and two support bars. The support plate is connected between the two vertical plates. The door frame is provided on the support plate. The two vertical plates are arranged vertically, and both sides of the door frame are fixedly connected to one of the vertical plates. The lower end of the vertical plate is provided in the corresponding mounting groove, and one side of the lower end of the vertical plate is slidably connected to the inner side wall of the mounting groove, so as to provide support for the door frame, so that the door frame and the fork are more stable when loading materials. One end of the support bar is fixedly connected to the other side of the lower end of the vertical plate. The support bar is located in the mounting groove, and the other end of the support bar is slidably connected to the ground, which can improve the supporting force, the stability and speed of operation, and can also play a role in preventing the door frame from tilting.

[0009] Furthermore, at least one guide wheel is protruding from the outer side surface of the lower end of the vertical plate. A groove is provided on the inner side wall of the mounting slot, and the guide wheel is slidably arranged in the groove, thereby reducing friction, facilitating the reciprocating motion of the support frame, and improving stability.

[0010] Furthermore, a lap plate is provided at the other end of the support bar, and at least one pulley is provided below the lap plate along its movement direction to make the extension and retraction of the fork more stable.

[0011] Furthermore, the guide wheel and the support bar are staggered in the vertical direction, which results in a compact structure, reduces the occupied space and the volume of the equipment, adapts to narrower spaces, and improves compatibility.

[0012] Furthermore, the horizontal drive mechanism includes a horizontal drive motor, a transmission rod, two chain belts, two chain plates, and two driven wheels. The output shaft of the horizontal drive motor is fixedly connected to one end of the transmission rod, and the transmission rod is arranged on one side of the support frame. A chain belt is provided on both sides of the support frame, one end of the chain belt is connected to the end of the transmission rod, and the other end of the chain belt is rotatably connected to the corresponding driven wheel. The driven wheel is fixed to the end of the base away from the support frame, saving costs and achieving synchronous operation of the support frame. The support frame is fixedly connected to the corresponding chain belt through one chain plate, and the connection is firm and the transmission is stable.

[0013] Furthermore, the horizontal drive mechanism is arranged inside the base, and the support frame is located between the two chain belts, so as to reduce the width of the fork so as to enter a narrower space to pick up and place materials.

[0014] Furthermore, the load-bearing strength can be ensured to prevent tipping. The base is provided with open fixing grooves on both outer sides in the width direction, and a laser ranging component is provided in each fixing groove to improve safety performance and more accurate positioning.

[0015] Furthermore, the traverse drive assembly includes a traverse motor, a drive wheel, and a plurality of auxiliary wheels. The traverse motor is disposed within the base, and the output shaft of the traverse motor is connected to the drive wheel. The plurality of auxiliary wheels are fixed to the base at intervals. The drive wheel and the plurality of auxiliary wheels cooperate to disengage the base and slide on the ground, automatically moving to a designated position, thereby improving work efficiency.

[0016] In summary, the beneficial effects of the present invention are:

[0017] This utility model utilizes a transverse drive assembly to automatically move the base and its associated structure to a designated location for material handling operations, resulting in higher transport efficiency. A support frame is positioned between the door frame and the base, which is clipped and slidably mounted on the base, enhancing the stability of the connection between the support frame and the base. Furthermore, the support frame provides greater support for the door frame and forks, increasing the load-bearing strength of the door frame. This allows for a higher fork lift height, facilitating the handling of materials from elevated locations or allowing for the simultaneous handling of larger quantities of material, thus improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of an embodiment of the narrow aisle forklift AGV of the present utility model.

[0019] Figure 2 It is a structural schematic diagram of another perspective of an embodiment of the narrow aisle forklift AGV of the present invention.

[0020] Figure 3 It is a structural schematic diagram of an embodiment of the utility model of a narrow aisle forklift AGV without the traveling mechanism.

[0021] Figure 4 yes Figure 3 Schematic diagram of the enlarged structure of structure A in the middle.

[0022] Figure 5 yes Figure 3 Bottom view of .

[0023] Figure 6 It is a structural schematic diagram of an embodiment of the base of the narrow aisle forklift AGV of the present invention.

[0024] Figure 7 It is a bottom view of an embodiment of the traveling mechanism of the narrow aisle forklift AGV of the present invention.

[0025] Description of reference numerals in the figures:

[0026] 1. Narrow aisle forklift AGV; 2. Traveling mechanism; 21. Base; 211. Mounting slot; 212. Groove; 213. Fixed slot; 22. Transverse drive assembly; 221. Transverse motor; 222. Drive wheel; 223. Auxiliary wheel; 23. Laser ranging assembly; 3. Gantry mechanism; 31. Door frame; 32. Fork; 33. Support frame; 331. Support plate; 332. Vertical plate; 333. Support bar; 334. Guide wheel; 335. Lap plate; 336. Pulley; 4. Lifting mechanism; 5. Horizontal drive mechanism; 51. Horizontal drive motor; 52. Transmission rod; 53. Chain belt; 54. Chain plate; 55. Driven wheel; 56. Connecting plate; 6. Material. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of the present invention.

[0028] Those skilled in the art should understand that, in the disclosure of the present invention, the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms cannot be understood as limiting the present invention.

[0029] In the description of this utility model, if the word "several" or "several" is used, it means one or more, and "more" means two or more. "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of the words "first," "second," and "third" is only for the purpose of distinguishing technical features and is not to be construed as indicating or implying relative importance, or implicitly indicating the number of the indicated technical features, or implicitly indicating the order of the indicated technical features.

[0030] The following is combined with Figure 1-7 , the embodiments of the utility model are further described in detail.

[0031] A narrow aisle forklift AGV1, such as Figure 1 、 Figure 2 、 Figure 3As shown, it includes a walking mechanism 2, a gantry mechanism 3 arranged on one side of the walking mechanism 2, a lifting mechanism 4 arranged on the gantry mechanism 3, and a horizontal drive mechanism 5. The walking mechanism 2 includes a base 21 and a transverse drive assembly 22 for driving the base 21 to move laterally. The gantry mechanism 3 includes a door frame 31, a fork 32, and a support frame 33. The door frame 31 is fixed to the top of the support frame 33, the fork 32 is slidably arranged on the door frame 31, and the fork 32 is connected to the lifting mechanism 4. The lower part of the support frame 33 is clamped on the base 21 and is slidably arranged along the width direction of the base 21. The support frame 33 is fixedly connected to the horizontal drive mechanism 5 to drive the door frame 31 and the fork 32 to extend or retract.

[0032] The transverse drive assembly 22 can drive the base 21 and the entire structure thereon to automatically move to a set position for material 6 handling operations, running toward the narrow side, reducing the working space and improving transportation efficiency. A support frame 33 is set between the door frame 31 and the base 21. The support frame 33 is clamped and slidably set on the base 21, making the connection between the support frame 33 and the base 21 more stable. Moreover, the support frame 33 can also provide greater support force for the door frame 31 and the fork 32 to increase the bearing strength of the door frame 31, thereby increasing the lifting height of the fork 32, making it easier to carry materials 6 at high places or to carry more materials 6 at one time, thereby improving work efficiency.

[0033] In this embodiment, please refer to Figure 1 、 Figure 3 The base 21 is provided with two open mounting grooves 211 along its length, and the length direction of the mounting grooves 211 is consistent with the movement direction of the fork 32. The support frame 33 includes a support plate 331, two vertical plates 332 and two support bars 333. The support plate 331 is connected between the two vertical plates 332. The door frame 31 is set on the support plate 331. The two vertical plates 332 are arranged vertically, and both sides of the door frame 31 are fixedly connected to one vertical plate 332. The lower end of the vertical plate 332 is set in the corresponding mounting groove 211, and one side of the lower end of the vertical plate 332 is slidably connected to the inner side wall of the mounting groove 211, so as to provide support for the door frame 31, so that the door frame 31 and the fork 32 can load the material 6 more stably. One end of the support bar 333 is fixedly connected to the other side of the lower end of the vertical plate 332. The support bar 333 is located in the mounting groove 211 and below the fork 32. The support bar 333 moves synchronously with the fork 32 along the mounting groove 211. The other end of the support bar 333 is slidably connected to the ground, which can improve the supporting force, stability and speed of operation, and also prevent the door frame 31 from tilting.

[0034] The length of the upper end of the vertical plate 332 is smaller than the length of the lower end of the vertical plate 332 , which can save costs and reduce occupied space.

[0035] At least one guide wheel 334 is protruding from the outer side surface of the lower end of the vertical plate 332. A groove 212 is provided on the inner side wall of the mounting groove 211, and the guide wheel 334 is slidably provided in the groove 212, which can reduce friction, facilitate the reciprocating motion of the support frame 33, and provide higher stability.

[0036] Preferably, please refer to Figure 3 、 Figure 4 Each upright 332 is provided with two guide wheels 334 on its side, spaced apart along the length of the mounting slot 211. One guide wheel 334 is positioned below the door frame 31, while the other guide wheel 334 is positioned on the side of the door frame 31 facing away from the forks 32. This extends the contact area between the support frame 33 and the base 21, thereby improving load-bearing strength and stability during transport.

[0037] Please refer to Figure 5 The other end of the support bar 333 is provided with a lap plate 335, and at least one pulley 336 is provided below the lap plate 335 along its movement direction to make the extension and retraction of the fork 32 more stable.

[0038] In some embodiments, the guide wheel 334 and the support bar 333 are staggered up and down, which has a compact structure, reduces the occupied space and the volume of the equipment, adapts to narrower spaces, and improves compatibility.

[0039] In some embodiments, please refer to Figure 3 、 Figure 4 、 Figure 5 The horizontal drive mechanism 5 includes a horizontal drive motor 51, a transmission rod 52, two chain belts 53, two chain plates 54, and two driven wheels 55. The output shaft of the horizontal drive motor 51 is fixedly connected to one end of the transmission rod 52, which is disposed on one side of the support frame 33. A chain belt 53 is disposed on each side of the support frame 33. One end of the chain belt 53 is connected to the end of the transmission rod 52, and the other end of the chain belt 53 is rotatably connected to a corresponding driven wheel 55. The driven wheel 55 is fixed to the end of the base 21 away from the support frame 33, saving costs and achieving synchronous operation of the support frame 33. The support frame 33 is fixedly connected to the corresponding chain belt 53 via a chain plate 54, ensuring a stable connection and transmission. Specifically, an L-shaped connecting piece 56 is disposed on the side of the support frame 33. One end of the connecting piece 56 is screwed to the side of the vertical plate 332, and the other end of the connecting piece 56 passes through the inner wall of the mounting slot 211 and connects to the chain plate 54.

[0040] The horizontal drive mechanism 5 is disposed inside the base 21 , and the support frame 33 is located between the two chain belts 53 , so as to reduce the width of the fork 32 so as to enter a narrower space to pick up and place the material 6 .

[0041] In this embodiment, please refer to Figure 1 、 Figure 6 、 Figure 7 The base 21 can be configured as a rectangular parallelepiped structure to ensure load-bearing strength and prevent tipping. Open fixing slots 213 are provided on both outer sides of the base 21 in the width direction. Each fixing slot 213 is provided with a laser ranging component 23 to improve safety and more accurate positioning.

[0042] The traverse drive assembly 22 includes a traverse motor 221, a drive wheel 222, and a plurality of auxiliary wheels 223. The traverse motor 221 is mounted within the base 21, and its output shaft is connected to the drive wheel 222. The auxiliary wheels 223 are fixed to the base 21 at intervals. The drive wheel 222 and the auxiliary wheels 223 cooperate to disengage the base 21 and slide it onto the ground, automatically moving it to a designated position, improving operational efficiency. The auxiliary wheels 223 can be configured as universal wheels for smoother transport.

[0043] During operation, the position information of the material 6 being transported is input into the control system of the narrow aisle forklift AGV 1. The traverse motor 221 drives the drive wheel 222, whose central axis is aligned with the length of the base 21. Driven by the traverse motor 221, the drive wheel 222 moves the entire forklift horizontally to the designated transport location. During movement, the laser ranging assembly 23 on the side of the base 21 allows for positioning, ensuring operational stability and safety.

[0044] When the narrow-aisle forklift AGV 1 reaches the handling position, the horizontal drive motor 51 is activated. This forward rotation drives the transmission rod 52, which in turn drives the two chain belts 53. Under the force of the chain plates 54, the chain belts 53 move the support frame 33, the door frame 31, and the forks 32 toward the material 6. Next, the lifting mechanism 4 is activated, raising the forks 32 to the set position. The horizontal drive motor 51 drives the forks 32 to extend beneath the material 6. The lifting mechanism 4 then moves the forks 32 upward, placing the material 6 on the forks 32. Next, the horizontal drive motor 51 rotates in the reverse direction, driving the support frame 33, the door frame 31, the forks 32, and the material 6 on them back above the base 21. The lifting mechanism 4 then lowers the forks 32, placing the material 6 on the base 21. Finally, the narrow-aisle forklift AGV 1 transports the loaded material 6 to the designated location. The steps for unloading the material 6 can be found in the loading process described above.

[0045] The examples of this specific embodiment are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, any equivalent changes made based on the structure, shape, and principle of this application should be included in the scope of protection of this application.

Claims

1. A narrow aisle forklift AGV (1), characterized in that: The utility model comprises a walking mechanism (2), a gantry mechanism (3) arranged on one side of the walking mechanism (2), a lifting mechanism (4) arranged on the gantry mechanism (3) and a horizontal driving mechanism (5); the walking mechanism (2) comprises a base (21) and a transverse driving assembly (22) for driving the base (21) to move transversely; the gantry mechanism (3) comprises a door frame (31), a fork (32) and a support frame (33); the door frame (31) is fixed to the top of the support frame (33), the fork (32) is slidably arranged on the door frame (31), and the fork (32) is connected to the lifting mechanism (4); the bottom of the support frame (33) is clamped on the base (21) and is slidably arranged along the width direction of the base (21), and the support frame (33) is fixedly connected to the horizontal driving mechanism (5) to drive the door frame (31) and the fork (32) to extend or retract.

2. The narrow aisle forklift AGV (1) according to claim 1, characterized in that: The base (21) is provided with two open mounting grooves (211) along its length direction, and the length direction of the mounting grooves (211) is consistent with the movement direction of the fork (32); the support frame (33) includes a support plate (331), two vertical plates (332) and two support bars (333); the support plate (331) is connected between the two vertical plates (332); the door frame (31) is provided on the support plate (331); the two vertical plates (332) are vertically arranged, and ... Both sides of the frame (31) are fixedly connected to one of the vertical plates (332); the lower end of the vertical plate (332) is arranged in the corresponding mounting groove (211), and one side of the lower end of the vertical plate (332) is slidably connected to the inner side wall of the mounting groove (211); one end of the support bar (333) is fixedly connected to the other side of the lower end of the vertical plate (332); the support bar (333) is located in the mounting groove (211), and the other end of the support bar (333) is slidably connected to the ground.

3. The narrow aisle forklift AGV (1) according to claim 2, characterized in that: At least one guide wheel (334) is protrudingly provided on the outer side surface of the lower end of the vertical plate (332); a groove (212) is provided on the inner side wall of the installation groove (211), and the guide wheel (334) is slidably provided in the groove (212).

4. The narrow aisle forklift AGV (1) according to claim 2, characterized in that: The other end of the support bar (333) is provided with a lap plate (335), and at least one pulley (336) is provided below the lap plate (335) along its movement direction.

5. The narrow aisle forklift AGV (1) according to claim 3, characterized in that: The guide wheel (334) and the support bar (333) are arranged in an up-down staggered manner.

6. The narrow aisle forklift AGV (1) according to claim 1, characterized in that: The horizontal driving mechanism (5) comprises a horizontal driving motor (51), a transmission rod (52), two chain belts (53), two chain plates (54) and two driven wheels (55), wherein the output shaft of the horizontal driving motor (51) is fixedly connected to one end of the transmission rod (52), and the transmission rod (52) is arranged on one side of the support frame (33); a chain belt (53) is provided on both sides of the support frame (33), one end of the chain belt (53) is connected to the end of the transmission rod (52), and the other end of the chain belt (53) is rotatably connected to the corresponding driven wheel (55), and the driven wheel (55) is fixed to one end of the base (21) away from the support frame (33); and the support frame (33) is fixedly connected to the corresponding chain belt (53) through one chain plate (54).

7. The narrow aisle forklift AGV (1) according to claim 6, characterized in that: The horizontal driving mechanism (5) is arranged inside the base (21), and the support frame (33) is located between the two chain belts (53).

8. The narrow aisle forklift AGV (1) according to claim 1, characterized in that: The base (21) is provided with open fixing grooves (213) on both outer sides in the width direction, and a laser distance measuring component (23) is provided in each fixing groove (213).

9. The narrow aisle forklift AGV (1) according to claim 1, characterized in that: The transverse driving assembly (22) comprises a transverse motor (221), a driving wheel (222) and a plurality of auxiliary wheels (223); the transverse motor (221) is arranged in the base (21), the output shaft of the transverse motor (221) is connected to the driving wheel (222), the plurality of auxiliary wheels (223) are fixed on the base (21) at intervals, and the driving wheel (222) and the plurality of auxiliary wheels (223) cooperate to enable the base (21) to detach and slide on the ground.

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