Intelligent adjustment suspension AGV warehouse transport vehicle

Abstract

The utility model relates to an AGV storage transport vehicle of intelligent adjustment suspension, including frame, still include monitoring module, adjustable suspension module, portal, still include lifting spare, including multiple groups bottom fork and top fork, bottom fork and top fork are connected through buffer spare, driving piece, driving piece action can drive lifting spare action, to drive goods along the height direction of portal to rise or drop through bottom fork and top fork, in the initial stage of lifting process, through the compression of buffer spare, the hard lifting action is converted into a gradually increasing soft contact process, effectively avoid the impact and vibration that the fork instantaneously lifts up the tray causes to goods, thereby protect goods, reduce loss, and in the release process, through the delay reset of buffer spare, ensure that goods are placed steadily in place until the fork compliantly separates, avoid the risk of shaking or toppling that can be produced when placing due to rigid separation.

Description

Technical Field

[0001] This utility model relates to an AGV warehouse transportation vehicle, specifically an AGV warehouse transportation vehicle with intelligent adjustable suspension. Background Technology

[0002] AGVs (Automated Guided Vehicles) are the core handling equipment in automated warehouses, and their core function is to safely and efficiently complete the autonomous handling and stacking of goods. To improve operational stability, existing AGVs generally adopt suspension systems, which can adjust suspension parameters (such as damping or height) according to the vehicle's load or through simple presets to buffer road vibrations during travel and ensure a relatively smooth transportation process.

[0003] Common AGV warehouse transport vehicles also include a fork lifting mechanism, which includes a mast and forks. The drive module drives the forks to rise on the mast to contact the pallet and lift the goods simultaneously, thereby increasing the suspended height of the goods to facilitate transportation and stacking.

[0004] Currently, the fork lifting mechanism of most AGVs is rigidly connected to the vehicle body. When picking up goods, the forks directly and quickly lift the pallet, generating an instantaneous rigid impact; when unloading goods, the forks are quickly pulled out from the bottom of the load-bearing pallet. This hard-contact operation generates huge starting and stopping impact forces, which can easily cause the goods on the pallet (fragile or high-level stacked goods) to shake, shift, or even tip over, resulting in cargo damage. Summary of the Invention

[0005] The purpose of this invention is to provide an AGV warehouse transport vehicle with intelligent adjustable suspension to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: An AGV warehouse transport vehicle with intelligent adjustable suspension, including a chassis; It also includes a monitoring module for collecting dynamic information about the transport vehicles; An adjustable suspension module is connected to the monitoring module via signal connection, with one end connected to the vehicle frame and the other end connected to the transport vehicle wheel assembly. The mast is mounted on the vehicle frame; It also includes a lifting component, comprising multiple sets of bottom forks and top forks; the bottom forks and top forks are connected by a buffer component; A drive unit, when activated, can drive the lifting unit to move, so as to move the cargo up or down along the height direction of the mast via the bottom forks and the top forks.

[0007] The AGV warehouse transport vehicle with intelligent adjustable suspension as described above: the buffer component includes a guide rail mounted on the bottom fork; multiple sets of buffer blocks are symmetrically arranged and slidably fitted on the guide rail; buffer springs are symmetrically arranged inside the bottom fork, and the two ends of the buffer springs respectively abut against the buffer blocks and the bottom fork; a hinge rod that is rotatably connected to the top fork is rotatably mounted on the buffer block.

[0008] The AGV warehouse transport vehicle with intelligent adjustable suspension as described above: the lifting component includes a base plate connected to multiple sets of bottom forks; a slider that slides into the mast is installed on the base plate; and a top plate is installed on the top fork.

[0009] The AGV warehouse transport vehicle with intelligent adjustable suspension as described above: the driving component includes a lead screw rod rotatably mounted on the gantry, the lead screw rod being connected to the output end of the transport vehicle drive module, and a threaded sleeve being threadedly connected to the lead screw rod; the threaded sleeve is located below the base plate.

[0010] The AGV warehouse transport vehicle with intelligent adjustable suspension as described above: the drive component further includes a fixed sleeve sleeved on the lead screw column; the fixed sleeve is located above the top plate; the fixed sleeve and the threaded sleeve are connected by a connecting rod, and the connecting rod is slidably engaged with both the top plate and the bottom plate.

[0011] As described above, the AGV warehouse transport vehicle with intelligent adjustable suspension has gaskets installed on both the top plate and the bottom plate.

[0012] The AGV warehouse transport vehicle with intelligent adjustable suspension as described above: multiple sets of rollers are rotatably mounted on the bottom of the forks.

[0013] Compared with the prior art, the beneficial effects of this utility model are: In the initial stage of the lifting process, the compression of the buffer transforms the rigid lifting action into a gradually increasing soft contact process; this effectively avoids the impact and vibration caused to the goods by the forks instantly lifting the pallet, thus protecting the goods and reducing losses; during the release process, the delayed reset of the buffer ensures that the goods are placed smoothly into position until the forks detach smoothly, avoiding the risk of shaking or tipping that may occur due to rigid separation during placement. Attached Figure Description

[0014] Figure 1 This is a structural diagram of an AGV warehouse transport vehicle with intelligent adjustable suspension.

[0015] Figure 2 This is a structural schematic diagram of an AGV warehouse transport vehicle with intelligent adjustable suspension from another perspective.

[0016] Figure 3 This is a structural diagram of the mast in an AGV warehouse transport vehicle with intelligent adjustable suspension.

[0017] Figure 4 This is a structural diagram of the threaded sleeve and fixed sleeve in an AGV warehouse transport vehicle with intelligent adjustable suspension.

[0018] Figure 5 for Figure 4 A schematic diagram of the structure at point A in the middle.

[0019] Figure 6 This is a schematic diagram of the bottom forks in an AGV warehouse transport vehicle with intelligent adjustable suspension.

[0020] In the picture: 1. Frame; 2. Monitoring module; 3. Adjustable suspension module; 4. Gantry; 5. Base plate; 6. Slider; 7. Bottom forks; 701. Guide rails; 702. Rollers; 8. Top slab; 9. Top forks; 10. Buffer block; 11. Buffer spring; 12. Hinge rod; 13. Lead screw column; 14. Threaded sleeve; 15. Fixing sleeve; 16. Connecting rod; 17. Gasket. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Please see Figures 1-6 As an embodiment of the present utility model, the intelligent adjustable suspension AGV warehouse transport vehicle includes a frame 1; It also includes monitoring module 2, which is used to collect dynamic information of the transport vehicle; The adjustable suspension module 3 is connected to the monitoring module 2 via signal, with one end connected to the vehicle frame 1 and the other end connected to the transport vehicle wheel assembly. The mast 4 is mounted on the vehicle frame 1; It also includes lifting components, including multiple sets of bottom forks 7 and top forks 9; the bottom forks 7 and the top forks 9 are connected by a buffer component; The driving component, when activated, can drive the lifting component to move, so as to move the goods up or down along the height direction of the mast 4 through the bottom fork 7 and the top fork 9.

[0023] In this embodiment, the working process and principle of the AGV warehouse transport vehicle with intelligent adjustable suspension are as follows: Monitoring module 2 continuously collects dynamic information about the transport vehicle. When the vehicle is loaded with goods, monitoring module 2 monitors the load changes of the frame 1, the road surface smoothness data along the vehicle's travel path, and the vehicle's current speed in real time. This dynamic information is transmitted instantly to the control unit of the adjustable suspension module 3.

[0024] The adjustable suspension module 3 automatically adjusts its suspension parameters (such as damping force, suspension stiffness, or height) based on the received dynamic information. When uneven road surfaces are detected, the suspension will actively adjust to buffer vibrations. When the vehicle is detected to be turning or accelerating / braking, the suspension will provide corresponding support force to suppress vehicle tilt, thereby maximizing vehicle stability throughout the entire driving process and ensuring cargo safety and driving efficiency.

[0025] When the transport vehicle reaches the target shelf position (both the bottom fork 7 and the top fork 9 are located in the gap at the bottom of the pallet), the drive unit starts to move, causing the lifting component to move vertically along the mast 4. During the lifting process, the bottom fork 7 and the top fork 9 move synchronously at first; and when the top fork 9 contacts the bottom of the pallet, the continuing to move bottom fork 7 will squeeze the buffer, causing relative sliding between the top fork 9 and the bottom fork 7, during which the position of the top fork 9 remains unchanged. When the resistance provided by the buffer is greater than the weight of the goods or the buffer reaches the end of its stroke, the moving bottom fork 7 will drive the top fork 9 to rise synchronously with the goods.

[0026] The release process involves the bottom fork 7, top fork 9, and cargo descending synchronously. Once the cargo pallet contacts the ground, the continuing movement of the bottom fork 7 will cause the buffer to reset (during this process, the top fork 9 remains in close contact with the pallet, and the bottom fork 7 and top fork 9 slide relative to each other). After the buffer has reset, the continuing movement of the bottom fork 7 will cause the top fork 9 to move, thus separating it from the pallet.

[0027] In the initial stage of the lifting process, the compression of the buffer transforms the rigid lifting action into a gradually increasing soft contact process; this effectively avoids the impact and vibration caused to the goods by the forks instantly lifting the pallet, thus protecting the goods and reducing losses; during the release process, the delayed reset of the buffer ensures that the goods are placed smoothly into position until the forks detach smoothly, avoiding the risk of shaking or tipping that may occur due to rigid separation during placement.

[0028] As a further embodiment of this utility model, the buffer includes a guide rail 701 mounted on the bottom fork 7; a plurality of symmetrically arranged buffer blocks 10 are slidably fitted on the guide rail 701; buffer springs 11 are symmetrically arranged inside the bottom fork 7; the two ends of the buffer springs 11 respectively abut against the buffer blocks 10 and the bottom fork 7; and a hinge rod 12 rotatably mounted on the buffer block 10 and rotatably connected to the top fork 9.

[0029] As a further embodiment of this utility model, the lifting component includes a base plate 5 connected to multiple sets of bottom forks 7; a slider 6 is installed on the base plate 5 that slides and engages with the mast 4; and a top plate 8 is installed on the top fork 9.

[0030] In this embodiment, during the lifting process, the drive unit will drive the base plate 5 to rise along the height direction of the mast 4 (the slider 6 slides upward on the mast 4), thereby driving the bottom fork 7 to move synchronously; in the initial stage of lifting (the top fork 9 is not in contact with the pallet), the bottom fork 7 and the top fork 9 move synchronously first; and when the top fork 9 contacts the bottom of the pallet, the bottom fork 7, which continues to move, will squeeze the buffer (that is, the squeezing force generated by the rise of the bottom fork 7 will cause it to slide inward on the top fork 9, thereby causing the hinge rod 12 to rotate, so as to drive the buffer block 10 to slide away on the guide rail 701, thereby compressing the buffer spring 11. As the lifting proceeds, the compression of the buffer spring 11 gradually increases, its elasticity also becomes greater, and the distance between the base plate 5 and the top plate 8 shortens), thereby causing the top fork 9 and the bottom fork 7 to slide relative to each other. During this process, the position of the top fork 9 remains unchanged. When the resistance provided by the buffer is greater than the weight of the cargo or when the buffer reaches the end of its stroke (i.e., when the elastic force of the buffer spring 11 acts on the top fork 9 and can overcome the weight of the cargo, or when the top fork 9 and the bottom fork 7 come into contact), the moving bottom fork 7 will drive the top fork 9 to rise synchronously with the cargo.

[0031] During the release process, the buffer spring 11 releases its elastic force, causing the hinge rod 12 to rotate to its initial position, and the buffer block 10 to reset, gradually increasing the distance between the bottom plate 5 and the top plate 8.

[0032] In the initial stage of the lifting process, the compression of the buffer transforms the rigid lifting action into a gradually increasing soft contact process; this effectively avoids the impact and vibration caused to the goods by the forks instantly lifting the pallet, thus protecting the goods and reducing losses; during the release process, the delayed reset of the buffer ensures that the goods are placed smoothly into position until the forks detach smoothly, avoiding the risk of shaking or tipping that may occur due to rigid separation during placement.

[0033] As a further embodiment of this utility model, the driving component includes a lead screw 13 rotatably mounted on the gantry 4, the lead screw 13 being connected to the output end of the transport vehicle driving module, and a threaded sleeve 14 being threadedly connected to the lead screw 13; the threaded sleeve 14 is located below the base plate 5.

[0034] In this embodiment, during the lifting or releasing of goods, the drive module will drive the lead screw 13 to rotate, thereby driving the threaded sleeve 14 to rise or fall along the length direction of the lead screw 13 through threaded engagement. During the rising process, the threaded sleeve 14 will squeeze the bottom plate 5, thereby driving the bottom plate 5 to move synchronously.

[0035] After the goods are lifted to the transport height, the drive module stops driving the lead screw 13 to rotate. At this time, the threaded sleeve 14 is relatively fixed through the threaded engagement, thereby limiting the bottom plate 5 and preventing the goods from suddenly falling during the transport process.

[0036] As a further embodiment of this utility model, the driving component also includes a fixed sleeve 15 sleeved on the lead screw column 13; the fixed sleeve 15 is located above the top plate 8; the fixed sleeve 15 and the threaded sleeve 14 are connected by a connecting rod 16, and the connecting rod 16 is slidably engaged with the top plate 8 and the bottom plate 5.

[0037] In this embodiment, in the initial state, the length of the connecting rod 16 is greater than the maximum distance between the top plate 8 and the bottom plate 5.

[0038] When the transport vehicle reaches the target shelf position, the drive module will first drive the lead screw 13 to rotate, so as to drive the threaded sleeve 14 to move downward, so as to drive the fixed sleeve 15 to move synchronously through the connecting rod 16. During the movement, the threaded sleeve 14 separates from the bottom plate 5, and the fixed sleeve 15 contacts the top plate 8 (the bottom fork 7 contacts the ground, so as to ensure that the position of the bottom plate 5 remains unchanged). The fixed sleeve 15, which continues to move, will drive the top plate 8 closer to the bottom plate 5, thereby driving the top fork 9 closer to the bottom fork 7 and compressing the buffer spring 11; thereby reducing the thickness between the top fork 9 and the bottom fork 7, so as to facilitate their smooth movement to the bottom of the pallet without direct contact with the pallet, thereby avoiding impact with the pallet and causing the goods to tip over.

[0039] During the lifting process, the rotating lead screw 13 will drive the threaded sleeve 14 to move upward, and the synchronous connecting rod 16 will drive the fixed sleeve 15 to move synchronously. During this process, the buffer spring 11 releases its elastic force to drive the top fork 9 to reset. After the top fork 9 resets, the threaded sleeve 14 contacts the base plate 5 and drives the base plate 5 to move synchronously after contact, thereby lifting the goods.

[0040] As a further embodiment of this utility model, gaskets 17 are installed on both the top plate 8 and the bottom plate 5.

[0041] In this embodiment, the gasket 17 reduces the squeezing impact of the fixing sleeve 15 and the threaded sleeve 14 on the top plate 8 and the bottom plate 5, thereby improving the service life of the transport vehicle.

[0042] As a further improvement of this utility model, the bottom fork 7 is rotatably mounted with multiple sets of rollers 702.

[0043] In this embodiment, the roller 702 is used to reduce the friction between the bottom fork 7 and the ground, thereby reducing the wear on the ground and the bottom fork 7; and can reduce the resistance of the bottom fork 7 inserting into the bottom of the pallet.

[0044] The above embodiments are exemplary and not restrictive. Therefore, without departing from the spirit or basic characteristics of this utility model, any technical solutions that can be implemented in other specific forms are included in this utility model.

Claims

1. An AGV warehouse transport vehicle with intelligent adjustable suspension, comprising a frame (1); Its features are, It also includes a monitoring module (2) for collecting dynamic information of the transport vehicle; The adjustable suspension module (3) is connected to the monitoring module (2) via signal, with one end connected to the frame (1) and the other end connected to the transport vehicle wheel assembly; The mast (4) is mounted on the frame (1); It also includes lifting components, including multiple sets of bottom forks (7) and top forks (9); the bottom forks (7) and the top forks (9) are connected by a buffer component; The driving component, when activated, can drive the lifting component to move, so as to drive the cargo to rise or fall along the height direction of the mast (4) through the bottom fork (7) and the top fork (9).

2. The AGV warehouse transport vehicle with intelligent adjustable suspension according to claim 1, characterized in that, The buffer includes a guide rail (701) mounted on the bottom fork (7); multiple sets of buffer blocks (10) are symmetrically arranged and slidably fitted on the guide rail (701); buffer springs (11) are symmetrically arranged inside the bottom fork (7); the two ends of the buffer springs (11) respectively abut against the buffer blocks (10) and the bottom fork (7); and a hinge rod (12) rotatably mounted on the buffer block (10) and rotatably connected to the top fork (9).

3. The AGV warehouse transport vehicle with intelligent adjustable suspension according to claim 1, characterized in that, The lifting component includes a base plate (5) connected to multiple sets of the bottom forks (7); a slider (6) is mounted on the base plate (5) and slidably engages with the mast (4); a top plate (8) is mounted on the top forks (9).

4. The AGV warehouse transport vehicle with intelligent adjustable suspension according to claim 3, characterized in that, The driving component includes a lead screw (13) rotatably mounted on the gantry (4), the lead screw (13) being connected to the output end of the transport vehicle driving module, and a threaded sleeve (14) being threadedly connected to the lead screw (13); the threaded sleeve (14) is located below the base plate (5).

5. The AGV warehouse transport vehicle with intelligent adjustable suspension according to claim 4, characterized in that, The driving component also includes a fixed sleeve (15) sleeved on the lead screw (13); the fixed sleeve (15) is located above the top plate (8); the fixed sleeve (15) and the threaded sleeve (14) are connected by a connecting rod (16), and the connecting rod (16) is slidably engaged with the top plate (8) and the bottom plate (5).

6. The AGV warehouse transport vehicle with intelligent adjustable suspension according to claim 5, characterized in that, Gaskets (17) are installed on both the top plate (8) and the bottom plate (5).

7. The AGV warehouse transport vehicle with intelligent adjustable suspension according to claim 1, characterized in that, The bottom fork (7) is rotatably mounted with multiple sets of rollers (702).

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