CN211770078U

CN211770078U - Heavy-load flat plate type forklift AGV

Info

Publication number: CN211770078U
Application number: CN201922102126.0U
Authority: CN
Inventors: 陶茂林
Original assignee: Guangdong Jaten Robot and Automation Co Ltd
Current assignee: Guangdong Jaten Robot and Automation Co Ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-10-27
Anticipated expiration: 2029-11-28

Abstract

The utility model discloses a heavy load plate fork truck AGV, including moving platform and the lift platform of locating the moving platform rear side, moving platform includes frame and steering wheel mechanism, lift platform includes link mechanism, the layer board, carrier wheel and linear drive mechanism, link mechanism sets up lifting frame and chassis and locates the first swing arm and the second swing arm of chassis and lifting frame both sides including from top to bottom, the both ends of first swing arm and second swing arm rotate with chassis and lifting frame respectively and are connected, linear drive mechanism locates between chassis and the lifting frame, the layer board is located on the lifting frame, the carrier wheel is located on the chassis. Compared with the prior art, the utility model discloses a heavy load plate fork truck AGV adopts link mechanism to replace traditional fork goods lifting means, and link mechanism can lift the bigger goods of load, lifts more stably, and the bearing effect is better, and cargo handling efficiency is higher.

Description

Heavy-load flat plate type forklift AGV

Technical Field

The utility model belongs to the technical field of the operation and the transportation, concretely relates to heavy load plate fork truck AGV.

Background

Fork truck AGV is one kind of AGV type, mainly used replaces this traditional commodity circulation haulage equipment of artifical fork truck. At present, the AGV of the forklift on the market is usually a body formed by a traditional manual electric forklift, and electric automation transformation is carried out on the basis to obtain the AGV. Its material handling mode and load-carrying capacity are unanimous with traditional electric fork truck, also use the fork to get tray or the bracket of customization and carry the material, and the load-carrying capacity is concentrated in more within 3 tons. On the other hand, currently more and more industries need to carry large heavy-duty stacks, such as up to 10 tons. Obviously, the current existing forklift AGVs cannot meet the carrying requirements of the large heavy-load stacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of prior art, provide a plate fork truck AGV of heavy load that bearing effect is better.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a heavy load plate fork truck AGV, includes moving platform and locates the lift platform of moving platform rear side, moving platform includes frame and steering wheel mechanism, lift platform includes link mechanism, layer board, carrier wheel and sharp actuating mechanism, link mechanism sets up lifting frame and chassis and locates including from top to bottom the first swing arm and the second swing arm of chassis and lifting frame both sides, the both ends of first swing arm and second swing arm respectively with chassis and lifting frame rotate to be connected, sharp actuating mechanism locates between chassis and the lifting frame, the layer board is located on the lifting frame, the carrier wheel is located on the chassis.

Compared with the prior art, the utility model discloses a heavy load plate fork truck AGV adopts link mechanism to replace traditional fork goods lifting means, and link mechanism can lift the bigger goods of load, lifts more stably, and the bearing effect is better, and cargo handling efficiency is higher.

Furthermore, two groups of link mechanisms are arranged in parallel, the two lifting frames are connected through a first synchronous rod, and the two bottom frames are connected through a second synchronous rod; through setting up like this, make lift platform lifting effect more steady.

The device further comprises a plurality of second lifting frames arranged between the two lifting frames, wherein one end of each of the plurality of first synchronization rods is connected with the second lifting frame, and the other end of each of the plurality of first synchronization rods is connected with the lifting frames; through setting up like this, make the layer board wholly bear the weight of the atress more firm.

Furthermore, an upper limit sensor and a lower limit sensor are arranged on the bottom frame in parallel at intervals, and the lifting frame is provided with a trigger piece positioned on the upper limit sensor and the lower limit sensor; through setting up like this, through last spacing sensor and lower spacing sensor control the lifting height and the decline height of layer board, control mode is simple.

Furthermore, centering rollers are arranged on two sides of the supporting plate; through setting up like this, be convenient for the layer board lift the work or material rest in-process with the work or material rest centering location on the layer board, make the work or material rest lift more steady.

Furthermore, the centering roller is arranged on the side part of the supporting plate through a connecting frame, and one or more adjusting gaskets are clamped between the connecting frame and the supporting plate; through setting up like this, can make the centering gyro wheel symmetrical arrangement of layer board both sides through placing the adjusting shim of different width and quantity between link and the layer board lateral part, when the layer board bearing work or material rest of being convenient for, with the work or material rest centering location at the layer board middle part.

Furthermore, safety contact edges are arranged on at least two sides of the moving platform and two sides and the rear side of the lifting platform, and conductive adhesive tapes connected with a control module of the moving platform are arranged in the safety contact edges; through setting up like this, avoid the moving platform mistake to collide the barrier, play safety protection's effect to the moving platform.

Further, a buffer baffle is arranged on the front side of the mobile platform and is connected with the front side of the frame through a buffer mechanism; through setting up like this, avoid the moving platform mistake to collide the barrier, play safety protection's effect to the moving platform.

Furthermore, the buffer mechanism comprises a first connecting rod, a second connecting rod and a torsion spring which are hinged with each other, the buffer baffle is connected with the frame through a guide structure, a first switching part is arranged on the front side of the frame, a second switching part is arranged on the rear side of the buffer baffle, the first switching part is hinged with the first connecting rod through the torsion spring, and the second switching part is hinged with the second connecting rod through the torsion spring; through setting up like this, adopt mechanical type buffer gear to play the cushioning effect between buffer stop and the frame, the impact that receives when can reducing the moving platform collision improves product reliability.

Furthermore, a switch device connected with a control module of the mobile platform is arranged on the front side of the frame and connected with the buffer baffle through a transmission rod; through setting up like this, when moving platform received great collision, knob switch feedback signal made moving platform stop traveling rapidly, avoided removing the translation and continue to travel and receive secondary collision.

Furthermore, the frame is provided with a battery compartment with an opening at the side part, a battery is placed in the battery compartment, the frame also comprises a stop lever and a locking mechanism arranged on the stop lever, the stop lever is detachably inserted at an inlet of the battery compartment, and the position of the battery in the battery compartment can be positioned by adjusting the locking mechanism; through setting up like this, the pin plays the fixed action to the battery behind the battery compartment in the battery installation of being convenient for.

Drawings

FIG. 1 is a schematic diagram of an AGV of a heavy-duty flat-plate forklift

FIG. 2 is a bottom schematic view of an AGV of a heavy-duty flat-plate forklift

FIG. 3 is a schematic diagram of a AGV removing a pallet of a heavy-duty flat-plate forklift

FIG. 4 is a partial enlarged view of the area A in FIG. 1

FIG. 5 is a partial enlarged view of the area B in FIG. 2

FIG. 6 is a partial enlarged view of the area C in FIG. 3

FIG. 7 is a partial enlarged view of the area D in FIG. 3

FIG. 8 is a partial enlarged view of the area E in FIG. 1

Detailed Description

The technical scheme of the utility model is described below with the accompanying drawings:

referring to fig. 1 to 8, the AGV of the present invention includes a moving platform 1 and a lifting platform 2 disposed at the rear side of the moving platform 1, the moving platform 1 includes a frame 11 and a steering wheel mechanism 12, the top of the frame 11 is connected to a laser scanner 131 through a support 13, the laser scanner 131 is used for navigating the AGV, the lifting platform 2 includes a link mechanism 21, a support plate 22, a bearing wheel 23 and a linear driving mechanism 211, the link mechanism 21 includes a lifting frame 212 and a bottom frame 213 disposed at the top and bottom and a first swing arm 214 and a second swing arm 215 disposed at two sides of the bottom frame 213 and the lifting frame 212, two ends of the first swing arm 214 and the second swing arm 215 are respectively rotatably connected to the bottom frame 213 and the lifting frame 212, the first swing arm 214, the bottom frame 213 and the second swing arm 214 constitute a four-bar linkage, the linear driving mechanism 211 is a hydraulic cylinder, two ends of the linear driving mechanism 211 are respectively disposed on the bottom frame 213 and the lifting frame 212, the supporting plate 22 is disposed on the lifting frame 212, and the bearing wheel 23 is disposed on the bottom frame 213.

Compared with the prior art, the utility model discloses a heavy load plate fork truck AGV adopts link mechanism 21 to replace traditional fork goods lifting means, and link mechanism 21 can lift the bigger goods of load, and it is more stable to lift, and the bearing effect is better, and cargo handling efficiency is higher.

Referring to fig. 1 to 3, in one embodiment, two sets of linkage mechanisms 21 are arranged side by side, each linkage mechanism 21 is correspondingly provided with a linear driving mechanism 211, two lifting frames 212 are connected by a first synchronization rod 216, two bottom frames 213 are connected by a second synchronization rod 217, in a further embodiment, the linkage mechanism further comprises a plurality of second lifting frames 218 arranged between the two lifting frames 212, and each first synchronization rod 216 is provided with one end connected to the second lifting frame 218 and the other end connected to the lifting frame 212; through setting up like this, it is more firm to make the whole atress that bears of layer board 22, and lift platform 2 lifts the effect more steady, and two link mechanism 21 all are equipped with a sharp actuating mechanism 211, make the lifting thrust of layer board more stable, and it is better to lift the effect.

Referring to fig. 1 to 3 and 6, in one embodiment, an upper limit sensor 31 and a lower limit sensor 32 are arranged on the bottom frame 213 at intervals in parallel, a mounting frame 33 is arranged on the second synchronizing rod 217, the upper limit sensor 31 and the lower limit sensor 32 are arranged on the mounting frame 33, the upper limit sensor 31 and the lower limit sensor 32 are respectively proximity switches connected with a control module of the mobile platform 1, a trigger piece is arranged on the upper limit sensor 31 and the lower limit sensor 32 on the lifting frame 212 or the second lifting frame 218, and when the trigger piece is close to the upper limit sensor 31 or the lower limit sensor 32, the control module feeds back a signal to the linear driving mechanism 211 to stop working; by such arrangement, the lifting height and the descending height of the supporting plate 22 are controlled by the upper limit sensor 31 and the lower limit sensor 32, and the control mode is simple.

Referring to fig. 1 and 8, in one embodiment, centering rollers 24 are disposed on two sides of the supporting plate 22, the centering rollers 24 are mounted on the side portions of the supporting plate 22 through a connecting frame 25, adjusting washers 26 with different widths and numbers can be disposed between the connecting frame 25 and the side portions of the supporting plate 22, so that the centering rollers 24 on two sides of the supporting plate 22 are symmetrically arranged, when the supporting plate 22 supports a rack, so that the rack is centered and positioned in the middle portion of the supporting plate 22, the centering rollers 24 are disposed on two ends of the supporting plate 22 along the length direction and two ends of the supporting plate 22 along the width direction, two sides of the bottom of the rack lifted by the supporting plate 22 are provided with guiding slopes corresponding to the centering rollers 24, the guiding slopes are arranged in opposite directions in an upward inclined manner, so that when the lifting platform 2 has an offset with the bottom of the rack, the guiding slopes move along the centering rollers 24 by lifting the supporting plate 22 to, the material rack is centered and positioned on the supporting plate 22 in the process that the supporting plate 22 lifts the material rack, so that the material rack is lifted more stably.

Referring to fig. 1 to 3, in an embodiment, at least two sides of the mobile platform 1 and two sides and a rear side of the lifting platform 2 are provided with safety contact edges 27, the safety contact edges 27 are made of a soft material, a conductive adhesive tape connected with a control module of the mobile platform 1 is arranged in the safety contact edges 27, and when the conductive adhesive tape is deformed or extruded, the conductive adhesive tape feeds back a signal to the control module to control the steering wheel mechanism 12 to stop driving; through setting up like this, avoid moving platform 1 mistake to collide the barrier, play the effect of safety protection to moving platform 1.

Referring to fig. 1 to 5, in an embodiment, a buffering baffle 41 is disposed on a front side of the moving platform 1, the buffering baffle 41 is connected to a front side of the frame 11 through two sets of buffering mechanisms 42, specifically, the buffering mechanism 42 includes a first connecting rod 43 and a second connecting rod 44 that are hinged to each other and a torsion spring 45, the buffering baffle 41 is connected to the frame 11 through a guiding structure, a first transfer portion 46 is disposed on the front side of the frame 11, a second transfer portion 47 is disposed on a rear side of the buffering baffle 41, the first transfer portion 46 is hinged to the first connecting rod 43 through the torsion spring 45, the second transfer portion 47 is hinged to the second connecting rod 44 through the torsion spring 45, the guiding structure includes a guiding seat 48 disposed on the rear side of the buffering baffle 41 and a guiding slider 49 disposed on the front side of the frame 11, the guiding seat 48 is provided with a guiding groove 481 corresponding to the guiding slider 49, the guide slider 49 is slidably arranged in the guide groove 481; adopt mechanical type buffer gear 42 to play the cushioning effect between buffer stop 41 and frame 11, can reduce the impact that receives when moving platform 1 collides, improve product reliability, guide structure makes and forms the tensioning gesture in order to face the striking that buffer stop 41 received between first connecting rod 43 and second connecting rod 44 and the torsional spring 45.

In a further embodiment, a switch device connected with a control module of the mobile platform 1 is arranged on the front side of the frame 11, the switch device is a rotary switch 401, the switch device is connected with the buffer baffle 41 through a transmission rod 402, one end of the transmission rod 402 is hinged to the rear side of the buffer baffle 41, the other end of the transmission rod 402 is in transmission connection with a rotating shaft of the rotary switch 401, and when the transmission rod 402 screws the rotary switch 401 to a preset position, the rotary switch 401 feeds back a signal to the control module to control the steering wheel mechanism 12 to stop running; through setting up like this, when moving platform 1 received great collision, knob switch 401 feedback signal makes moving platform 1 stop traveling rapidly, avoids removing the translation and continues to travel and receive the secondary collision.

Referring to fig. 3 and 7, in an embodiment, the vehicle frame 11 is provided with a battery compartment 28 with an opening at a side portion, a compartment door 281 covering the battery compartment 28, a roller 282 is arranged in the battery compartment 28, a plurality of rollers 282 for facilitating sliding of the battery 283 are arranged at the bottom of an inlet in the battery compartment 28, the battery 283 is detachably placed in the battery compartment 28, the vehicle frame further comprises a stop lever 51 and a locking mechanism arranged on the stop lever 51, an inserting seat 52 is arranged on the inner side of the roller 282 of the battery compartment 28 located at the outermost side, the inserting seat 52 is provided with a sleeve hole 53 with an opening at the upper side, a notch 54 is arranged on one side of the sleeve hole 53 facing the roller 282 of the outermost side, the stop lever 51 is detachably inserted in the sleeve hole 53, when the stop lever 51 is inserted in the sleeve hole 53, the outer side of the stop lever abuts against the roller 282, and the position of the battery in the battery compartment 28 can be positioned by, specifically, the locking mechanism comprises a locking part 55 and a locking part 56 which are arranged at the upper end of the stop lever 51, the locking part 56 comprises a positioning part 57, a screw 58 and a rotating handle 59 which are connected in sequence, the locking part 55 is provided with screw holes with openings at two ends, the locking part 56 is installed in the screw holes through the screw 58, and the rotating handle 59 is rotated to adjust the contact distance between the positioning part 57 and a battery 283 so as to fix the installation position of the battery 283; by this arrangement, the stopper rod 51 can fix the battery 283 after the battery 283 is mounted in the battery compartment 28.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. The utility model provides a heavy load plate fork truck AGV, a serial communication port, include moving platform and locate the lift platform of moving platform rear side, moving platform includes frame and steering wheel mechanism, lift platform includes link mechanism, layer board, bearing wheel and sharp actuating mechanism, link mechanism includes lifting frame and the chassis that sets up from top to bottom and locates the first swing arm and the second swing arm of chassis and lifting frame both sides, the both ends of first swing arm and second swing arm respectively with chassis and lifting frame rotate to be connected, sharp actuating mechanism locates between chassis and the lifting frame, the layer board is located on the lifting frame, the bearing wheel is located on the chassis.

2. The AGV of claim 1, wherein two sets of said linkages are arranged in parallel, and wherein said lifting frames are connected by a first synchronizing bar and said bottom frames are connected by a second synchronizing bar.

3. The AGV according to claim 2, further comprising a plurality of second lifting frames arranged between said two lifting frames, wherein one end of each of said plurality of first synchronization bars is connected to said second lifting frame, and the other end of each of said plurality of first synchronization bars is connected to said lifting frames.

4. The AGV of any one of claims 1 to 3, wherein the chassis is provided with an upper limit sensor and a lower limit sensor spaced apart from each other and arranged in parallel, and the lifting frame is provided with a trigger located at the upper limit sensor and the lower limit sensor.

5. An AGV according to any one of claims 1 to 3, characterized in that at least the sides of the moving platform (1) and the sides and rear side of the lifting platform are provided with safety contact edges, inside which there are conducting strips connected to the control module of the moving platform.

6. An AGV according to any one of claims 1 to 3, wherein said pallet is provided with centring rollers on both sides.

7. The AGV of claim 6, wherein said centering rollers are mounted on said pallet sides by means of a connecting frame, and one or more spacer shims are sandwiched between said connecting frame and said pallet.

8. The AGV of claim 1, wherein a buffer stop is arranged on the front side of the moving platform, and the buffer stop is connected with the front side of the frame through a buffer mechanism; buffer gear includes first connecting rod and second connecting rod and the torsional spring of mutual articulated, buffer baffle with the frame passes through guide structure and connects, frame (11) front side is equipped with first switching portion, the buffer baffle rear side is equipped with second switching portion, first switching portion pass through the torsional spring with first connecting rod is articulated, second switching portion pass through the torsional spring with the second connecting rod is articulated.

9. AGV according to claim 8, characterised in that the front side of the frame is provided with a switching device connected to the control module of the mobile platform (1), said switching device being connected to the buffer stop by means of a transmission rod.

10. The AGV according to any one of claims 1 to 3, wherein the frame is provided with a battery compartment with an opening at a side, a battery is placed in the battery compartment, the AGV further comprises a stop lever and a locking mechanism arranged on the stop lever, the stop lever is detachably connected to an inlet of the battery compartment, and the position of the battery in the battery compartment can be located by adjusting the locking mechanism.