CN115782718A

CN115782718A - Intelligence AGV truck

Info

Publication number: CN115782718A
Application number: CN202310016644.9A
Authority: CN
Inventors: 姜传博
Original assignee: List Technology Changzhou Co ltd
Current assignee: List Technology Changzhou Co ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-03-14
Also published as: CN117360355A

Abstract

The invention discloses an intelligent AGV (automatic guided vehicle) truck which comprises a truck frame main body, an unloading mechanism, a goods receiving mechanism, a supporting mechanism, a reversing mechanism and a power assembly, wherein the unloading mechanism is arranged on the truck frame main body; the unloading mechanism is arranged on the upper side of the frame main body and comprises a roller assembly, the roller assembly is used for bearing the box cargo main body and is hinged with one side of the frame main body, a lifting assembly is arranged on the other side of the roller assembly and is used for upwards pushing the roller assembly and enabling the roller assembly to be in an inclined state, and the box cargo main body slides downwards along the roller assembly in the inclined state; the goods receiving mechanism is arranged between the roller assembly and the frame main body and comprises a pair of expansion plates, the expansion plates are used for receiving the fallen box goods main body and sending the box goods main body to the ground when extending out, the supporting mechanism is arranged on the lower side of the frame main body and comprises four supporting base plates.

Description

Intelligence AGV truck

Technical Field

The invention relates to the technical field of unmanned vehicles, and discloses an intelligent AGV load-carrying vehicle.

Background

An AGV automatic guiding trolley is a transportation trolley which takes a storage battery as a power source, is provided with an electromagnetic, optical or ultrasonic automatic guiding device, can run along a specified guiding path and has a large load function. The AGV trolley has the advantages of good adaptability, good reliability, capability of realizing integration and automation of production and handling functions, high transportation efficiency, good energy-saving effect, reliable and stable work, flexible and variable use, capability of realizing flexible transportation and the like, and is widely applied to various manufacturing fields with higher automation degree.

The existing AGV truck is widely applied to industrial transportation, however, after a box cargo is put on the truck and transported to a discharging place, the truck is often manually carried to discharge due to the lack of the discharging function, so that the fatigue strength of workers is greatly increased, the working efficiency is reduced, or a corresponding discharging mechanism is arranged to assist in discharging, the production cost is greatly increased, the discharging place is limited, and the operation is inconvenient.

Therefore, it is necessary to provide an intelligent AGV truck which can achieve the automatic unloading function.

Disclosure of Invention

The invention aims to provide an intelligent AGV load-carrying vehicle to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: an intelligent AGV (automatic guided vehicle) comprises a frame main body, an unloading mechanism, a receiving mechanism, a supporting mechanism, a reversing mechanism and a power assembly; wherein:

the unloading mechanism is arranged on the upper side of the frame main body and comprises a roller assembly, the roller assembly is used for bearing the box cargo main body and is hinged with one side of the frame main body, a lifting assembly is arranged on the other side of the roller assembly and is used for upwards pushing the roller assembly and enabling the roller assembly to be in an inclined state, and the box cargo main body slides downwards along the roller assembly in the inclined state;

the goods receiving mechanism is arranged between the roller assembly and the frame main body and comprises a pair of telescopic plates, and the telescopic plates are used for receiving the fallen box goods main body and delivering the box goods main body to the ground when extending out;

the support mechanism is arranged on the lower side of the frame main body and comprises four support base plates, and the support base plates are used for automatically extending to the ground so as to support the frame main body when unloading;

the power assembly is arranged on the lower side of the frame main body and used for driving the frame main body to move;

the reversing mechanism is arranged on the upper side of the power assembly and used for rotating the power assembly to perform moving reversing.

In one embodiment, the roller assembly comprises a plurality of short rollers, the short rollers are arranged and distributed in two rows, a fixed shell is arranged on the middle side of the two rows of short rollers, the lower end of the fixed shell is fixedly connected with the upper end of the frame main body, two ends of a single row of short rollers are rotatably connected with supporting plates, the lower ends of the supporting plates are in contact with the upper end face of the frame main body, the top end of each short roller is flush with the top surface of the fixed shell, the horizontal height of the top end of each supporting plate is lower than that of the top end of each short roller, one end of each supporting plate on the outer side of the two rows of short rollers is rotatably connected with a pair of hinge tables, each hinge table is fixed on one side of the upper end face of the frame main body, and the inner side of each hinge table is rotatably connected with a long roller;

and a connecting roller is arranged between the long roller and the short rollers, and two ends of the connecting roller are rotatably connected with the supporting plates on the outer sides of the two rows of short rollers.

In one embodiment, the lifting assembly comprises a plurality of rolling discs, the rolling discs are arranged opposite to the supporting plate, one end of the supporting plate, far away from the hinge table, is provided with an inclined notch, the inclined surface of the inclined notch is arranged opposite to and in contact with the rolling discs, and the rolling discs are driven by the driving assembly and move towards the hinge table along the supporting plate and lift the supporting plate to form an inclined state.

In one embodiment, a pair of square through grooves is formed in the upper side of the frame body, the square through grooves are formed in the lower sides of the two rows of short rollers, the expansion plate slides in the inner sides of the square through grooves, a plurality of rolling cylinders are arranged on the upper side of the expansion plate, one end, far away from the hinge table, of the expansion plate is hinged to a rotating roller, one end of the rotating roller is hinged to a moving plate, the moving plate is in sliding fit with the two sides of the square through grooves, a central rod penetrates through the inner side of the rotating roller, sliding grooves are formed in the two sides of the square through grooves, the central rod extends into the sliding grooves and is in sliding fit with the central rod, one end, close to the hinge table, of each square through groove is arranged to be an oblique chamfer, and a linear driving assembly is arranged at the lower end of the moving plate.

In one embodiment, the linear driving assembly comprises a pair of driving plates, the driving plates are fixed at the lower ends of the moving plates, a first threaded rod is arranged on the middle side of the driving plates, two ends of the first threaded rod are rotatably connected with two ends of the inner side of the frame body, the first threaded rod penetrates through the driving plates and is in threaded connection with the driving plates, a pair of guide rods penetrates through the inner side of the driving plates, two ends of the guide rods are fixedly connected with the frame body, a first motor is arranged at one end of the first threaded rod, and the first motor is fixed on the outer side of the frame body.

In one embodiment, the upper end of the moving plate is provided with a connecting strip, and the upper end of the connecting strip is rotatably connected with the rolling disc.

In one embodiment, the upper end of the supporting base plate is fixedly connected with a threaded sleeve, the inner side of the threaded sleeve is in threaded connection with a second threaded rod, a plurality of first telescopic rods are fixedly connected to the upper end of the supporting base plate, a supporting shell is in sliding fit with the outer side of the supporting base plate, one end of the supporting shell is fixed to the inner side of the frame body, the upper ends of the first telescopic rods are connected with the upper end face of the supporting shell, the upper end of the second threaded rod penetrates through the supporting shell and is in clearance fit with the supporting shell, a first crown gear is fixedly connected to the upper end of the second threaded rod, a first gear is meshed with the upper end of the first crown gear, and the inner side of the first gear is fixedly connected with the first threaded rod.

In one embodiment, power component is including a plurality of universal wheels and a pair of action wheel, and is a plurality of the four corners downside at the frame main part is fixed to the universal wheel, and is a pair of the action wheel sets up in the well side downside of frame main part, and is a pair of be connected through the dwang between the action wheel, the outside of dwang is rotated and is connected with a pair of rotation cover, the upper end fixedly connected with stand of rotation cover, the well side fixedly connected with of stand supports the cover, the well side rotation that supports the cover is connected with the transmission shaft, the lower extreme of transmission shaft is provided with gear two, one side fixedly connected with crown gear two of dwang, the upside and the meshing of gear two are connected, the upper end of transmission shaft is provided with sprocket one, one side of sprocket one is provided with sprocket two, be connected through the driving chain between sprocket one and the sprocket two, the lower extreme of sprocket two is provided with motor two, the lower extreme at the frame main part is fixed to motor two.

In one embodiment, the reversing mechanism comprises a steering wheel, a circular through hole is formed in the middle side of the frame main body, the steering wheel is arranged in the circular through hole and is in clearance fit with the circular through hole, the lower end of the steering wheel is fixedly connected with a support frame, the transmission shaft penetrates through the steering wheel, a clamping ring is fixedly connected to the upper end of the steering wheel, a plurality of trapezoidal arc grooves are formed in the outer side of the clamping ring, a plurality of trapezoidal arc wedge blocks are correspondingly arranged on the lower sides of the trapezoidal arc grooves, the trapezoidal arc grooves and the trapezoidal arc wedge blocks are uniformly arranged in an annular shape, and the trapezoidal arc wedge blocks are arranged on the outer ring of the circular through hole and are fixedly connected with the frame main body;

the upper end of the transmission shaft is provided with a straight key groove, and the first chain wheel is in sliding fit with the straight key groove;

the frame comprises a frame main body and is characterized in that an annular sliding groove is formed in the lower side of the frame main body, two pairs of telescopic columns are fixedly connected to two sides of the upper end of a supporting frame, a first spring is arranged on the outer side of each telescopic column, an arc-shaped clamping piece is arranged at the upper end of each telescopic column, two ends of the first spring are connected with the supporting frame and the arc-shaped clamping pieces respectively, and the arc-shaped clamping pieces are arranged to slide in the annular sliding groove.

In one embodiment, a first electromagnet ring is arranged at the penetrating position of the transmission shaft and the steering wheel, the outer side of the first electromagnet ring is fixedly connected with the steering wheel, the inner side of the first electromagnet ring is rotatably connected with the transmission shaft, and the transmission shaft is made of magnetic metal;

and the inner side of the second gear is fixedly connected with a second electromagnet ring, and the inner side of the second electromagnet ring is rotationally connected with the lower end of the transmission shaft.

Compared with the prior art, the invention has the following beneficial effects: according to the invention, the unloading mechanism is arranged to facilitate unloading of the box cargo body, when carrying out load transportation, the box cargo body is placed on the roller assembly, when unloading is required, one end of the roller assembly is lifted upwards through the lifting assembly, the other end of the roller assembly is hinged with the frame body, so that the roller assembly inclines towards one side, the box cargo body on the upper side slides downwards along the roller assembly in the inclined state, the telescopic plate in the cargo receiving mechanism extends out at the moment, the box cargo body falls on the telescopic plate and slides downwards along the telescopic plate, and finally falls on the ground, the automatic unloading function is completed, manual carrying or auxiliary unloading of the corresponding unloading assembly is not required, the cost is saved, and in addition, when the box cargo body slides down, a certain reaction force can be caused to the frame body, at the moment, the supporting mechanisms are arranged at the four corners of the frame body, the supporting base plates extend downwards and are contacted with the ground, and the vehicle frame body is replaced by wheels to support the frame body, so that the self stability of the frame body is greatly improved, and the unloading is convenient.

Drawings

The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.

In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a bottom perspective view of the present invention;

fig. 3 is a perspective view of the invention in an unloaded state;

FIG. 4 is a side view of the present invention;

FIG. 5 is a front cross-sectional schematic view of the present invention;

FIG. 6 is a schematic cross-sectional view of the discharge mechanism of the present invention;

FIG. 7 is an enlarged partial schematic view of region A of FIG. 6;

FIG. 8 is a perspective view of the chute of the present invention;

FIG. 9 is a schematic cross-sectional side view of the present invention;

FIG. 10 is a perspective view of the power assembly of the present invention;

FIG. 11 is a cross-sectional schematic view of the power assembly of the present invention;

FIG. 12 is a perspective view of a trapezoidal arc wedge of the present invention;

in the figure: 1. an unloading mechanism; 101. a short drum; 102. a support plate; 103. a hinge table; 104. a long drum; 105. a stationary case; 106. connecting the rollers; 107. rolling a disc; 108. inclining and unfilled corners; 109. a connecting strip;

2. a goods receiving mechanism; 201. a retractable plate; 202. a rolling cylinder; 203. rotating the roller; 204. moving the plate; 205. a chute; 206. a center pole; 207. a drive plate; 208. a first threaded rod; 209. a guide bar;

3. a support mechanism; 301. supporting the base plate; 302. a second threaded rod; 303. a threaded sleeve; 305. a support housing; 306. a crown gear I; 307. a first gear;

4. a reversing mechanism; 401. a steering wheel; 402. a first electromagnet ring; 404. clamping a ring; 405. a telescopic column; 406. an arc-shaped clamping piece; 407. a second electromagnet ring;

5. a power assembly; 501. a driving wheel; 502. a universal wheel; 503. rotating the rod; 504. a crown gear II; 505. a second gear; 506. rotating the sleeve; 507. a holder; 508. a support sleeve; 509. a drive shaft; 510. a chain wheel I; 511. a second chain wheel;

6. a frame main body; 601. a square through groove; 602. a trapezoidal arc wedge block; 604. an annular chute;

7. a boxed cargo body;

9. a first motor; 901. and a second motor.

Detailed Description

The following disclosure provides many different embodiments or examples for implementing different features of the application. To simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

Referring to fig. 1-12, the present invention provides the following technical solutions: an intelligent AGV (automatic guided vehicle) comprises a frame main body 6, an unloading mechanism 1, a receiving mechanism 2, a supporting mechanism 3, a reversing mechanism 4 and a power assembly 5; wherein:

the unloading mechanism 1 is arranged on the upper side of the frame body 6, the unloading mechanism 1 comprises a roller assembly, the roller assembly is used for bearing the box cargo body 7 and is hinged with one side of the frame body 6, a lifting assembly is arranged on the other side of the roller assembly and is used for upwards pushing the roller assembly and enabling the roller assembly to be in an inclined state, and the box cargo body 7 slides downwards along the roller assembly in the inclined state;

the goods receiving mechanism 2 is arranged between the roller component and the frame main body 6, the goods receiving mechanism 2 comprises a pair of expansion plates 201, and the expansion plates 201 are used for receiving the fallen box goods main body 7 and delivering the box goods main body to the ground when extending out;

the supporting mechanism 3 is arranged at the lower side of the frame main body 6, the supporting mechanism 3 comprises four supporting base plates 301, and the supporting base plates 301 are used for automatically extending to the ground when unloading so as to support the frame main body 6;

the power assembly 5 is arranged at the lower side of the frame main body 6, and the power assembly 5 is used for driving the frame main body 6 to move;

the reversing mechanism 4 is disposed on the upper side of the power assembly 5, and the reversing mechanism 4 is used for rotating the power assembly 5 to perform reversing of movement.

Specifically, when the frame body 6 is used for carrying loads, a worker firstly places the box cargo body 7 on a roller assembly of the unloading mechanism 1, the frame body 6 and the box cargo body 7 are driven to move and transport through the power assembly 5, the reversing mechanism 4 is arranged for rotating in the moving direction, when the box cargo body arrives at a place and needs to be unloaded, one end of the roller assembly is lifted upwards through the lifting assembly, the other end of the roller assembly is hinged with the frame body 6, so that the roller assembly on the frame body 6 is inclined towards the side, the upper box cargo body 7 is inclined along the inclined roller assembly, the roller assembly slides downwards, the telescopic plate 201 in the receiving mechanism 2 extends out, the lower end of the telescopic plate is contacted with the ground, the box cargo body 7 falls on the telescopic plate 201 and slides downwards along the telescopic plate 201, finally falls on the ground, the automatic unloading function is completed, manual carrying or auxiliary unloading of the corresponding unloading assembly is not needed, the working efficiency is improved, the cost is saved, the self-unloading can automatically, the unloading place can be unloaded, the operation is more convenient, and the box cargo body 7 slides down from the frame body 6, the frame body 3 can greatly replace the unloading mechanism 6, and the unloading support plate can greatly improve the stability of the unloading mechanism 6, and the unloading main body 301.

The roller assembly comprises a plurality of short rollers 101, the short rollers 101 are distributed in two rows, a fixed shell 105 is arranged on the middle side of each of the two rows of short rollers 101, the lower end of the fixed shell 105 is fixedly connected with the upper end of the frame body 6, two ends of each of the single rows of short rollers 101 are rotatably connected with supporting plates 102, the lower ends of the supporting plates 102 are in contact with the upper end face of the frame body 6, the top end of each of the short rollers 101 is flush with the top face of the fixed shell 105, the horizontal height of the top end of each of the supporting plates 102 is lower than that of the top end of each of the short rollers 101, one end of each of the supporting plates 102 on the outer sides of the two rows of short rollers 101 is rotatably connected with a pair of hinge tables 103, each hinge table 103 is fixed on one side of the upper end face of the frame body 6, and the inner sides of the hinge tables 103 are rotatably connected with long rollers 104;

a connecting roller 106 is arranged between the long rollers 104 and the short rollers 101, and two ends of the connecting roller 106 are rotatably connected with the supporting plates 102 on the outer sides of the two rows of short rollers 101.

Specifically, when the box cargo body 7 is placed on the roller assembly, the box cargo body 7 is supported by the two rows of short rollers 101 and the middle fixing shell 105, because the top height of the short rollers 101 is flush with the top surface of the fixing shell 105, the box cargo body 7 keeps contact with the fixing shell 105, and cannot slide freely on the frame body 6 due to the short rollers 101, the two rows of short rollers 101 are connected by the connecting roller 106, so that the two rows of short rollers are inclined synchronously, and the stability is improved.

The lifting assembly comprises a plurality of rolling discs 107, the rolling discs 107 are arranged opposite to the support plate 102, one end of the support plate 102, which is far away from the hinge station 103, is provided with an inclined notch 108, the inclined surface of the inclined notch 108 is arranged opposite to and in contact with the rolling discs 107, and the rolling discs 107 are driven by the driving assembly, move towards the hinge station 103 along the support plate 102 and lift the support plate 102 to form an inclined state.

Specifically, an inclined unfilled corner 108 is arranged at one end, away from the hinge, of the support plate 102, a plurality of rolling discs 107 are arranged, the inclined plane of the inclined unfilled corner 108 serves as a starting point, the rolling discs roll along the upper end face of the frame body 6 under the driving of a driving assembly, the upper ends of the rolling discs 107 correspond to the support plate 102, the rolling discs 107 firstly jack the support plate 102 through the inclined unfilled corner 108 and continuously move towards the hinge table 103 along with the support plate, the upper ends of the rolling discs are always in contact with the support plate 102, so that the angle between the support plate 102 and the frame body 6 is gradually increased, the roller assemblies are lifted to be in an inclined state, the box cargo body 7 slides down, and when the box cargo body needs to be reset, the rolling discs 107 are only needed to be reset, the roller assemblies at the upper ends of the rolling discs 107 are finally flush with the upper end face of the frame body 6, and the next load transportation is facilitated.

This arrangement is advantageous in saving the volume of the lifting mechanism, and the lifting work of the drum assembly can be realized by the rolling discs 107 of smaller volume, reducing the structural load of the frame body 6.

A pair of square through grooves 601 have been seted up to the upside of frame main body 6, square through groove 601 sets up in the downside of two rows of short cylinders 101, expansion plate 201 slides in the inboard of square through groove 601, the upside of expansion plate 201 is provided with a plurality of roll section of thick bams 202, the one end hinged joint that hinge platform 103 was kept away from to expansion plate 201 has commentaries on classics roller 203, the one end hinged joint of commentaries on classics roller 203 has movable plate 204, movable plate 204 and the both sides sliding fit of square through groove 601, the inboard of commentaries on classics roller 203 runs through and is provided with well core rod 206, spout 205 has been seted up to the both sides of square through groove 601, well core rod 206 extends into spout 205 and rather than sliding fit, the one end that square through groove 601 is close to hinge platform 103 sets up to the chamfer, the lower extreme of movable plate 204 is provided with sharp drive assembly.

Specifically, a square through groove 601 is formed in the upper end face of the frame main body 6, the retractable plate 201 is arranged to sink into the square through groove 601, so that space is saved, the size of the truck is reduced, the retractable plate 201 is arranged corresponding to the two rows of short rollers 101 at the upper end, the position accuracy during cargo receiving is ensured, through the linear driving assembly, the driving movable plate 204 slides in the square through groove 601, the movable plate 204 pushes the rotary rollers 203 and the retractable plate 201 to move towards the sliding direction of the box cargo main body 7, the central rod 206 in the rotary rollers 203 slides along the sliding groove 205 until the central rod 206 moves to the tail end of the sliding groove 205, at the moment, the retractable plate 201 also leaves the range of the square through groove 601, the retractable plate completely extends out of the outer side of the frame main body 6, under the hinge action of the retractable plate 201 and the rotary rollers 203, the retractable plate 201 rotates downwards under the action of self gravity, one end of the rotary rollers 203 contacts with the ground, is in an inclined state (as shown in fig. 6), the case cargo main body 7 slides from the inclined state, the inclined roller 201, the retractable plate 201 can be conveniently reset, and the retractable plate 201 can be reset after being automatically driven by the retractable plate 201, and the retractable plate 201, the telescopic plate can be reset after being reset, and the unloading can be conveniently reset in the box cargo main body 201, and the box cargo can be reset, and can be reset by the lifting mechanism, and the unloading box cargo main body 201, and the unloading box can be conveniently, and the unloading box can be automatically reset after being reset, and the unloading box can be reset.

The linear driving assembly comprises a pair of driving plates 207, the driving plates 207 are fixed at the lower ends of the moving plates 204, threaded rods 208 are arranged on the middle sides of the driving plates 207, two ends of each threaded rod 208 are rotatably connected with two ends of the inner side of the frame main body 6, the threaded rods 208 penetrate through the driving plates 207 and are in threaded connection with the driving plates, a pair of guide rods 209 penetrate through the inner sides of the driving plates 207, two ends of each guide rod 209 are fixedly connected with the frame main body 6, one end of each threaded rod 208 is provided with a motor I9, and the motor I9 is fixed on the outer side of the frame main body 6.

Specifically, a first motor 9 is started to drive a first threaded rod 208 to rotate, the first threaded rod 208 is in threaded connection with a driving plate 207, the driving plate 207 moves along a guide rod 209 under the guiding effect of the guide rod 209, and the driving plate 207 drives a moving plate 204 to move, so that the extension and the recovery of the telescopic plate 201 are realized.

The upper end of the moving plate 204 is provided with a connecting bar 109, and the upper end of the connecting bar 109 is rotatably connected with the rolling disc 107.

Specifically, through connecting strip 109, moving plate 204 and rolling disc 107 are connected, when drive plate 207 drives moving plate 204 and moves, it moves to also drive rolling disc 107 simultaneously, when the linear drive subassembly stretches out at drive expansion plate 201, also synchronous drive rolling disc 107 moves and jacks up the roller assembly to the tilt state, and the same reason is adopted when needing to reset, and it carries out synchronous work with a drive assembly to have realized unloading mechanism 1 and connect goods mechanism 2, has saved driving cost, and the synchronism is strong, the integrated work of automatic completion unloading.

Support backing plate 301 upper end fixedly connected with thread bush 303, the inboard threaded connection of thread bush 303 has two 302 threaded rods, a plurality of telescopic link one of upper end fixedly connected with of support backing plate 301, the outside sliding fit of support backing plate 301 has support casing 305, the inboard at frame main part 6 is fixed to the one end of support casing 305, the upper end of telescopic link one is connected with the up end of support casing 305, the upper end of two 302 threaded rods runs through in support casing 305 and rather than clearance fit, the upper end fixedly connected with crown gear one 306 of two 302 threaded rods, the upper end meshing of crown gear one 306 is connected with gear one 307, the inboard and the threaded rod one 208 fixed connection of gear one 307.

Specifically, when the first threaded rod 208 rotates, the first gears 307 at two ends are driven to rotate, the first gears 307 are meshed with the first crown gears 306, so that the first crown gears 306 and the second threaded rods 302 are driven to rotate, the second threaded rods 302 are in threaded connection with the threaded sleeves 303, under the guiding action of the first telescopic rods, the supporting base plates 301 in the supporting shell 305 move downwards to be in contact with the ground, the frame body 6 is supported, the stability of the truck is enhanced, in addition, the first threaded rods 208 drive the moving plates 204 and the rolling discs 107 to move simultaneously, the second threaded rods 302 are also driven to rotate simultaneously, namely, the first threaded rods 208 drive the roller assemblies and the telescopic plates 201 to unload, the supporting base plates 301 are also driven to enhance the stability, the synchronism is good, the unloading mechanism 1, the receiving mechanism 2 and the supporting mechanism 3 are driven by the first motor 9 at the same time, the motor utilization rate is greatly improved, and the cost is saved.

The power assembly 5 comprises a plurality of universal wheels 502 and a pair of driving wheels 501, the plurality of universal wheels 502 are fixed at the lower sides of four corners of the frame body 6, the pair of driving wheels 501 are arranged at the lower side of the middle side of the frame body 6, the pair of driving wheels 501 are connected through a rotating rod 503, the outer side of the rotating rod 503 is rotatably connected with a pair of rotating sleeves 506, the upper end of each rotating sleeve 506 is fixedly connected with a supporting frame 507, the middle side of each supporting frame 507 is fixedly connected with a supporting sleeve 508, the middle side of each supporting sleeve 508 is rotatably connected with a transmission shaft 509, the lower end of each transmission shaft 509 is provided with a second gear 505, one side of each rotating rod 503 is fixedly connected with a second crown gear 504, the upper side of each second crown gear 504 is meshed with the second gear 505, the upper end of each transmission shaft 509 is provided with a first sprocket 510, one side of each first sprocket 510 is provided with a second sprocket 511, the first sprocket 510 is connected with the second sprocket 511 through a transmission chain, the lower end of each sprocket second sprocket 511 is provided with a second motor 901, and the second motor 901 is fixed at the lower end of the frame body 6.

Specifically, when the frame main body 6 needs to be moved, the second motor 901 is started to drive the second chain wheel 511 to rotate, the second chain wheel 511 drives the first chain wheel 510 to rotate through chain transmission, the first chain wheel 510 drives the transmission shaft 509 and the second gear 505 to rotate, the support sleeve 508 supports the transmission shaft 509 to enhance the transmission stability, the second gear 505 is meshed with the second crown gear 504, the second crown gear 504 drives the rotating rod 503 and the driving wheel 501 to rotate, the frame main body 6 is driven to move under the auxiliary action of the universal wheels 502, and the rotating sleeve 506 is arranged to position and support the rotating rod 503.

The reversing mechanism 4 comprises a steering wheel 401, a circular through hole is formed in the middle side of the frame main body 6, the steering wheel 401 is arranged in the circular through hole and is in clearance fit with the circular through hole, the lower end of the steering wheel 401 is fixedly connected with a support frame 507, a transmission shaft 509 penetrates through the steering wheel 401, the upper end of the steering wheel 401 is fixedly connected with a clamping ring 404, a plurality of trapezoidal arc grooves are formed in the outer side of the clamping ring 404, a plurality of trapezoidal arc wedges 602 are correspondingly arranged on the lower sides of the trapezoidal arc grooves, the trapezoidal arc grooves and the trapezoidal arc wedges 602 are uniformly arranged in an annular shape, and the trapezoidal arc wedges 602 are arranged on the outer ring of the circular through hole and are fixedly connected with the frame main body 6;

the upper end of the transmission shaft 509 is provided with a straight key groove, and the first chain wheel 510 is in sliding fit with the straight key groove;

an annular sliding groove 604 is formed in the lower side of the frame body 6, two pairs of telescopic columns 405 are fixedly connected to two sides of the upper end of the supporting frame 507, a first spring is arranged on the outer side of each telescopic column 405, arc clamping pieces 406 are arranged at the upper ends of the single pair of telescopic columns 405, two ends of the first spring are respectively connected with the supporting frame 507 and the arc clamping pieces 406, and the arc clamping pieces 406 are arranged in the annular sliding groove 604 to slide.

Specifically, the steering wheel 401 is arranged at the center of the frame main body 6, the lower side of the steering wheel 401 is connected with the support frame 507, when the moving direction needs to be switched, only the steering wheel 401 needs to be rotated, the steering wheel 401 drives the support frame 507, the rotating sleeve 506, the rotating rod 503 and the driving wheel 501 to rotate by taking the transmission shaft 509 as an axis, so that the advancing direction of the driving wheel 501 is changed, the driving wheel can move towards a new direction, and the frame main body 6 and the box cargo main body 7 borne by the frame main body 6 are kept still and cannot rotate by the frame main body and the box cargo main body 7, so that the loss of driving force during rotation is reduced, and the stability of the box cargo main body 7 during transportation is also ensured;

in order to avoid friction between the driving wheel 501 and the ground during reversing, a clamping ring 404 and a trapezoidal arc wedge 602 are arranged, when the steering wheel 401 rotates, the clamping ring 404 is driven to rotate, a trapezoidal arc groove corresponding to the trapezoidal arc wedge 602 fixed on the frame body 6 is formed in the clamping ring 404, when the clamping ring 404 rotates, the trapezoidal arc wedge 602 is fixed, the trapezoidal arc groove of the clamping ring 404 moves upwards while rotating along the inclined plane of the trapezoidal arc wedge 602, so that when the clamping ring 404 rotates, the power assemblies 5 such as the steering wheel 401, the support frame 507, the transmission shaft 509 and the driving wheel 501 are driven to move upwards for a short distance, the driving wheel 501 is separated from the ground, friction is avoided, when the support frame 507 rotates, the telescopic column 405 and the arc clamping piece 406 rotate together, the arc clamping piece 406 rotates along the annular sliding groove 604 and abuts against the support frame 507 through a spring I, when reversing is performed, the support frame 507 moves upwards, the spring I is compressed, when the clamping ring 404 is adjusted to the corresponding direction, the trapezoidal arc wedge is clamped into the trapezoidal arc wedge 602 again, the arc wedge is positioned, and the direction of the trapezoidal arc wedge is also moved again, so that the direction of the reversing can be achieved through the strong universality and the direction of the trapezoidal arc wedge 602 and the reversing direction is achieved.

And because during the switching-over, transmission shaft 509 also upwards shifts along with stand 507, consequently open to establish straight keyway on the upside for when transmission shaft 509 upwards shifts, sprocket 510 then slides along straight keyway, thereby keeps unchangeable of self position, and does not influence sprocket 510 and drive transmission shaft 509 and rotate, and the practicality is strong.

A first electromagnet ring 402 is arranged at the penetrating position of the transmission shaft 509 and the steering wheel 401, the outer side of the first electromagnet ring 402 is fixedly connected with the steering wheel 401, the inner side of the first electromagnet ring 402 is rotatably connected with the transmission shaft 509, and the transmission shaft 509 is made of magnetic metal;

a second electromagnet ring 407 is fixedly connected to the inner side of the second gear 505, and the inner side of the second electromagnet ring 407 is rotatably connected to the lower end of the transmission shaft 509.

Specifically, when the transmission shaft 509 rotates, the electromagnet ring one 402 is powered off, the electromagnet ring two 407 is powered on, the electromagnet ring two 407 and the transmission shaft 509 are adsorbed together, the gear two 505 and the transmission shaft 509 are connected into a whole, the transmission shaft 509 can drive the gear two 505 to rotate, the driving wheel 501 is driven to rotate, the frame main body 6 is driven to move, and the electromagnet ring one 402 is powered off, the driving wheel is separated from the transmission shaft 509, the transmission shaft 509 is driven to rotate, the steering wheel 401 can not be driven to rotate together, the reversing can not be performed, conversely, when the electromagnet ring one 402 is powered on, the electromagnet ring two 407 is powered off, the transmission shaft 509 can drive the steering wheel 401 to rotate to reverse, the driving wheel 501 can not be driven to rotate, the transmission shaft 509 can be realized by powering on and powering off the electromagnet rings, the frame main body 6 can be driven to move and reverse, the utilization rate is improved, and the cost is saved.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; may be directly connected, may be internal to the two elements or may be in an interactive relationship with the two elements. The meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

The above detailed description is given to an intelligent AGV truck provided in the embodiment of the present application, and a specific example is applied in the detailed description to explain the principle and the implementation manner of the present application, and the description of the above embodiment is only used to help understand the technical scheme and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.

Claims

1. An intelligent AGV (automatic guided vehicle) comprises a frame main body (6), a discharging mechanism (1), a receiving mechanism (2), a supporting mechanism (3), a reversing mechanism (4) and a power assembly (5); wherein:

the unloading mechanism (1) is arranged on the upper side of the frame main body (6), the unloading mechanism (1) comprises a roller assembly, the roller assembly is used for bearing the box cargo main body (7), the roller assembly is hinged with one side of the frame main body (6), a lifting assembly is arranged on the other side of the roller assembly and used for pushing the roller assembly upwards and enabling the roller assembly to be in an inclined state, and the box cargo main body (7) slides downwards along the roller assembly in the inclined state;

the goods receiving mechanism (2) is arranged between the roller assembly and the frame main body (6), the goods receiving mechanism (2) comprises a pair of expansion plates (201), and the expansion plates (201) are used for receiving the fallen box goods main body (7) and delivering the box goods main body to the ground when extending out;

the supporting mechanism (3) is arranged on the lower side of the frame main body (6), the supporting mechanism (3) comprises four supporting base plates (301), and the supporting base plates (301) are used for automatically extending to the ground when unloading so as to support the frame main body (6);

the power assembly (5) is arranged on the lower side of the frame main body (6), and the power assembly (5) is used for driving the frame main body (6) to move;

the reversing mechanism (4) is arranged on the upper side of the power assembly (5), and the reversing mechanism (4) is used for rotating the power assembly (5) so as to reverse the movement.

2. The intelligent AGV according to claim 1, wherein: the roller assembly comprises a plurality of short rollers (101), the short rollers (101) are distributed in two rows, a fixed shell (105) is arranged on the middle side of the two rows of short rollers (101), the lower end of the fixed shell (105) is fixedly connected with the upper end of a frame main body (6), two ends of a single row of short rollers (101) are rotatably connected with supporting plates (102), the lower end of each supporting plate (102) is in contact with the upper end face of the frame main body (6), the top end of each short roller (101) is flush with the top face of the fixed shell (105), the horizontal height of the top end of each supporting plate (102) is lower than that of the top end of each short roller (101), one end of each supporting plate (102) on the outer side of the two rows of short rollers (101) is rotatably connected with a pair of hinge tables (103), each hinge table (103) is fixed on one side of the upper end face of the frame main body (6), and the inner side of each hinge table (103) is rotatably connected with a long roller (104);

a connecting roller (106) is arranged between the long rollers (104) and the short rollers (101), and two ends of the connecting roller (106) are rotatably connected with the supporting plates (102) on the outer sides of the two rows of short rollers (101).

3. The intelligent AGV truck of claim 2, wherein: the lifting assembly comprises a plurality of rolling discs (107), the rolling discs (107) and the support plate (102) are arranged oppositely, one end, far away from the hinge table (103), of the support plate (102) is provided with an inclined unfilled corner (108), the inclined surface of the inclined unfilled corner (108) is arranged opposite to and in contact with the rolling discs (107), and the rolling discs (107) are driven by the driving assembly, move towards the hinge table (103) along the support plate (102) and lift the support plate (102) to form an inclined state.

4. The intelligent AGV truck of claim 3, wherein: the utility model discloses a roller frame, including frame main body (6), frame main body (6) and expansion plate (201), the upside of frame main body (6) has seted up a pair of square through groove (601), square through groove (601) sets up in the downside of two rows of short cylinders (101), expansion plate (201) slide in the inboard of square through groove (601), the upside of expansion plate (201) is provided with a plurality of rolls a section of thick bamboo (202), the one end hinged joint that hinge platform (103) were kept away from in expansion plate (201) has changeing roller (203), the one end hinged joint that changes roller (203) has movable plate (204), movable plate (204) and the both sides sliding fit of square through groove (601), the inboard of changeing roller (203) runs through and is provided with well core rod (206), spout (205) have been seted up to the both sides of square through groove (601), well core rod (206) extend into spout (205) and rather than sliding fit, the one end that square through groove (601) is close to hinge platform (103) sets up to oblique chamfer, the lower extreme of movable plate (204) is provided with sharp drive assembly.

5. The intelligent AGV truck of claim 4, wherein: the linear driving assembly comprises a pair of driving plates (207), the driving plates (207) are fixed at the lower end of the moving plate (204), a first threaded rod (208) is arranged on the middle side of the driving plates (207), two ends of the first threaded rod (208) are rotatably connected with two ends of the inner side of the frame main body (6), the first threaded rod (208) penetrates through the driving plates (207) and is in threaded connection with the first threaded rod, a pair of guide rods (209) are arranged on the inner side of the driving plates (207) in a penetrating mode, two ends of the guide rods (209) are fixedly connected with the frame main body (6), a first motor (9) is arranged at one end of the first threaded rod (208), and the first motor (9) is fixed on the outer side of the frame main body (6).

6. The intelligent AGV truck of claim 4, wherein: the upper end of the moving plate (204) is provided with a connecting strip (109), and the upper end of the connecting strip (109) is rotatably connected with the rolling disc (107).

7. The intelligent AGV according to claim 5, wherein: support backing plate (301) upper end fixedly connected with thread bush (303), the inboard threaded connection of thread bush (303) has two (302) threaded rods, a plurality of telescopic links of upper end fixedly connected with of support backing plate (301) are one, the outside sliding fit of support backing plate (301) has support casing (305), the inboard at frame main part (6) is fixed to the one end of support casing (305), the upper end of telescopic link one is connected with the up end of support casing (305), the upper end of two (302) threaded rods runs through in support casing (305) and rather than clearance fit, the upper end fixedly connected with crown gear one (306) of two (302) threaded rods, the upper end meshing of crown gear one (306) is connected with gear one (307), the inboard and threaded rod one (208) fixed connection of gear one (307).

8. The intelligent AGV according to claim 1, wherein: the power assembly (5) comprises a plurality of universal wheels (502) and a pair of driving wheels (501), the universal wheels (502) are fixed on the lower sides of four corners of the frame main body (6), the pair of driving wheels (501) are arranged on the lower side of the middle side of the frame main body (6), the pair of driving wheels (501) are connected through a rotating rod (503), a pair of rotating sleeves (506) are rotatably connected to the outer side of the rotating rod (503), the upper end of the rotating sleeve (506) is fixedly connected with a supporting frame (507), the middle side of the supporting frame (507) is fixedly connected with a supporting sleeve (508), the middle side of the support sleeve (508) is rotatably connected with a transmission shaft (509), the lower end of the transmission shaft (509) is provided with a second gear (505), one side of the rotating rod (503) is fixedly connected with a second crown gear (504), the upper side of the second crown gear (504) is in meshed connection with a second gear (505), the upper end of the transmission shaft (509) is provided with a first chain wheel (510), a second chain wheel (511) is arranged on one side of the first chain wheel (510), the first chain wheel (510) is connected with the second chain wheel (511) through a transmission chain, a second motor (901) is arranged at the lower end of the second chain wheel (511), the second motor (901) is fixed at the lower end of the frame main body (6).

9. The intelligent AGV according to claim 8, wherein: the reversing mechanism (4) comprises a steering wheel (401), a circular through hole is formed in the middle side of the frame main body (6), the steering wheel (401) is arranged in the circular through hole and is in clearance fit with the circular through hole, the lower end of the steering wheel (401) is fixedly connected with a support frame (507), a transmission shaft (509) penetrates through the steering wheel (401), a clamping ring (404) is fixedly connected to the upper end of the steering wheel (401), a plurality of trapezoidal arc grooves are formed in the outer side of the clamping ring (404), a plurality of trapezoidal arc wedges (602) are correspondingly arranged on the lower sides of the trapezoidal arc grooves, the trapezoidal arc grooves and the trapezoidal arc wedges (602) are uniformly arranged in an annular shape, and the trapezoidal arc wedges (602) are arranged on the outer ring of the circular through hole and are fixedly connected with the frame main body (6);

the upper end of the transmission shaft (509) is provided with a straight key groove, and the first chain wheel (510) is in sliding fit with the straight key groove;

annular sliding grooves (604) are formed in the lower side of the frame main body (6), two pairs of telescopic columns (405) are fixedly connected to two sides of the upper end of the supporting frame (507), springs I are arranged on the outer sides of the telescopic columns (405), arc clamping pieces (406) are arranged at the upper ends of the telescopic columns (405), two ends of each spring I are respectively connected with the supporting frame (507) and the arc clamping pieces (406), and the arc clamping pieces (406) are arranged in the annular sliding grooves (604) in a sliding mode.

10. The intelligent AGV according to claim 9, wherein: a first electromagnet ring (402) is arranged at the penetrating position of the transmission shaft (509) and the steering wheel (401), the outer side of the first electromagnet ring (402) is fixedly connected with the steering wheel (401), the inner side of the first electromagnet ring (402) is rotatably connected with the transmission shaft (509), and the transmission shaft (509) is made of magnetic metal;

the inner side of the second gear (505) is fixedly connected with a second electromagnet ring (407), and the inner side of the second electromagnet ring (407) is rotatably connected with the lower end of the transmission shaft (509).