CN211496839U

CN211496839U - Intelligent carrier

Info

Publication number: CN211496839U
Application number: CN202020101192.6U
Authority: CN
Inventors: 邱昱达; 谢明建; 曾金
Original assignee: Foshan Zhanda Intelligent Technology Co ltd
Current assignee: Foshan Zhanda Intelligent Technology Co ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-09-15
Anticipated expiration: 2030-01-17

Abstract

The utility model provides an intelligent carrier, a serial communication port, include: a yoke lifting device and a vehicle body; the vehicle body includes: the device comprises a vehicle body, a moving device, a guide device and a driven wheel; the guide device includes: the steering driving device, the steering mechanism and the driving wheel; the yoke elevating gear includes: the lifting device comprises a supporting plate, a lifting driving device, a first lifting mechanism, a second lifting mechanism and a tray; the lifting driving device drives the first lifting mechanism and the second lifting mechanism to synchronously do lifting motion by driving the driving rod to do reciprocating telescopic motion, so as to drive the tray to do lifting motion; the utility model discloses a set up sole drive arrangement among the yoke elevating gear, utilize one lift drive arrangement drives two simultaneously elevating movement is done to lift drive mechanism, guarantees the handling face of yoke elevating gear's tray is uneven, the problem that the goods turned on one's side easily to the level of working plane, the solution carrier tray.

Description

Intelligent carrier

Technical Field

The utility model relates to a technical field of carrier, especially an intelligent carrier.

Background

The common industrial truck is various carrying vehicles for loading, unloading, stacking and short-distance transportation of finished goods, the fork arm bodies of the carrying vehicles basically have no lifting function and can only lift the fork arms through an external lifting mechanism so as to lift the goods, most of the stress of the lifting mode falls on the joint of the fork arms and the lifting mechanism, and great requirements are placed on the connection strength of the joint of the fork arms and the lifting mechanism; the partial yoke has appeared at present and can realize the function that the yoke body promoted the goods, the inside a plurality of elevating system that are provided with of yoke of this type of carrier, the loading and unloading operation of goods is accomplished in the lift of a plurality of elevating system simultaneously, but a plurality of elevating system control through the drive arrangement of a plurality of differences, owing to be that a plurality of different drive arrangement control, the time and the lifting height of different elevating system's promotion all can probably be different, the plane that will lead to going up and down is uneven, lead to the condition of goods to turn on one's side to take place.

SUMMERY OF THE UTILITY MODEL

To the above defect, the utility model aims to provide an intelligent carrier solves the transport face of carrier tray uneven, the easy problem of turning on one's side of goods.

To achieve the purpose, the utility model adopts the following technical proposal:

an intelligent cart, comprising: a yoke lifting device and a vehicle body; the vehicle body includes: the device comprises a vehicle body, a moving device, a guide device and a driven wheel; the guide device includes: the steering driving device, the steering mechanism and the driving wheel; the steering driving device drives the steering mechanism to further drive the driving wheel to rotate; the yoke elevating gear includes: the lifting device comprises a supporting plate, a lifting driving device, a lifting mechanism and a tray; the lifting transmission mechanism comprises a first lifting mechanism and a second lifting mechanism, the first lifting mechanism and the second lifting mechanism are respectively arranged at two ends of the supporting plate, and the first lifting mechanism and the second lifting mechanism are both connected with the tray; the lifting driving device is provided with a driving rod, and the lifting driving device drives the driving rod to do reciprocating telescopic motion; the first lifting mechanism and the second lifting mechanism are connected with the driving rod; the lifting driving device drives the first lifting mechanism and the second lifting mechanism to synchronously do lifting motion through the driving rod, so that the tray is driven to do lifting motion.

Preferably, the vehicle body is provided with a mounting bracket, and the driven wheel is rotatably arranged below the vehicle body; the steering driving device is arranged on the upper surface of the mounting bracket, the steering mechanism is rotatably arranged below the mounting bracket, and the driving wheel is in transmission connection with the steering mechanism.

Preferably, the steering mechanism comprises a steering gear and a gear bracket, the output end of the steering driving device is provided with a steering driving gear, and the steering driving gear is meshed with the steering gear; the steering gear is rotationally connected with the mounting bracket; the gear bracket is connected below the steering gear; the driving wheel is vertically arranged on the outer side of the gear support.

Preferably, the moving device comprises a moving driving device and a moving transmission mechanism, and the moving driving device is arranged above the mounting bracket; the movable transmission mechanism comprises a speed reduction gear assembly and an output shaft, the speed reduction gear assembly is arranged in the gear bracket, the movable driving device is connected with the input end of the speed reduction gear assembly, and the output shaft is connected with the output end of the speed reduction gear assembly; the output shaft is connected with the driving wheel.

Preferably, the reduction gear assembly comprises an input gear, a transmission gear, an input bevel gear and an output bevel gear; the input gear is connected with the output end of the mobile driving device, the transmission gear is meshed with the input gear, the input bevel gear is connected with the transmission gear shaft, the input bevel gear and the output bevel gear are mutually vertically meshed and connected, and the output shaft is connected with the output bevel gear.

Preferably, the intelligent carrying vehicle further comprises a navigation device, and the navigation device is arranged on the vehicle body through a support frame.

Preferably, the first lifting mechanism and the second lifting mechanism respectively comprise a bottom plate, a top plate, two driving blocks and a plurality of hinged arms; the first lifting mechanism comprises a first driving block and a second driving block, and the second lifting mechanism comprises a third driving block and a fourth driving block; the first driving block and the second driving block are hinged with a bottom plate and a top plate of the first lifting mechanism through the hinge arm; the third driving block and the fourth driving block are hinged with a bottom plate and a top plate of the second lifting mechanism through the hinge arm; a guide post is arranged between the bottom plate and the top plate; the driving rod drives the driving block so as to drive the top plate to do lifting motion along the guide post.

Preferably, a synchronous component is arranged between the first lifting mechanism and the second lifting mechanism; the body of the lifting driving device is arranged on the third driving block, and the other end of the body of the lifting driving device is provided with a connecting block connected with the synchronous component; the two ends of the driving rod are respectively connected with the second driving block and the fourth driving block in a sliding mode, shaft shoulders are arranged at the two ends of the driving rod, and the driving rod pushes the second driving block or the fourth driving block through the shaft shoulders during reciprocating telescopic motion.

Preferably, the yoke lifting device further comprises: the induction plate and the induction device; the induction device comprises a base and a swing rod arranged at the top of the base; one end of the swing rod is hinged with the base, and the other end of the swing rod is provided with a roller and extends out; a notch is formed in the rear end of the tray, and one end of the induction plate is hinged to one side of the notch; and the roller arranged on the swing rod is supported at the bottom of the induction plate.

The utility model has the advantages that:

the utility model provides an intelligence carrier according to above-mentioned content, set up only drive arrangement among the yoke elevating gear of carrier, utilize one lift drive arrangement drives two simultaneously elevating movement is done to lift drive mechanism to drive the lift of tray guarantees the level of the working plane of yoke elevating gear's tray solves the transport face of carrier tray uneven, the problem that the goods turned on one's side easily.

Drawings

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

fig. 2 is a front view of the present invention;

fig. 3 is a side view of the present invention;

fig. 4 is a partial cross-sectional view of a mobile device of the present invention;

fig. 5 is a schematic structural view of the yoke lifting device of the present invention.

Wherein: yoke lifting device 100, support plate 1, lifting drive device 2, drive rod 21, shaft shoulder 211, lifting transmission mechanism 3, first lifting mechanism 3a, second lifting mechanism 3b, bottom plate 31, top plate 32, first drive block 331, second drive block 332, third drive block 333, fourth drive block 334, hinged arm 34, guide post 35, tray 4, induction plate 41, synchronizing assembly 5, synchronizing upright 51, connecting block 52, swing link 6, vehicle body 200, vehicle body 210, mounting bracket 211, moving device 220, moving drive device 221, moving transmission mechanism 222, reduction gear assembly 222a, input gear a, transmission gear b, input bevel gear c, output bevel gear d, output shaft 222b, guide device 230, steering drive device 231, steering drive gear 231a, steering mechanism 232, steering gear 232a, gear bracket 232b, driving wheel 233, driving wheel, Driven wheel 240, navigation device 300, support bracket 310.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1-3, an intelligent cart includes: the yoke lift 100 and the vehicle body 200; the vehicle body 200 includes: a body 210, a moving device 220, a guide 230, and a driven wheel 240; the guide 230 includes: a steering drive device 231, a steering mechanism 232, and a capstan 233; the steering driving device drives the steering mechanism to further drive the driving wheel to rotate; the yoke lifting device 100 includes: the device comprises a supporting plate 1, a lifting driving device 2, a lifting mechanism 3 and a tray 4; the lifting transmission mechanism 3 comprises a first lifting mechanism 3a and a second lifting mechanism 3b, the first lifting mechanism 3a and the second lifting mechanism 3b are respectively arranged at two ends of the supporting plate 1, and the first lifting mechanism 3a and the second lifting mechanism 3b are both connected with the tray 4; the lifting driving device 2 is provided with a driving rod 21, and the lifting driving device 2 drives the driving rod 21 to do reciprocating telescopic motion; the first lifting mechanism 3a and the second lifting mechanism 3b are both connected with the driving rod 21; the lifting driving device 2 drives the first lifting mechanism 3a and the second lifting mechanism 3b to synchronously lift through the driving rod 21, so as to drive the tray 4 to lift.

Specifically, the utility model relates to a technical field of carrier, the intelligent carrier that provides, the carrier through the mobile device 220 through drive the action wheel 233 rotate to control the whole movement of the carrier, the carrier through the guider 230 drive the turn of action wheel 233, specifically, through the turn drive 231 drive the turn mechanism 232 rotate, thereby drive the action wheel 233 installed on the turn mechanism 232 to rotate, reach the purpose that the carrier turned; the specific driving method of the yoke lifting device 100 is as follows: the lifting driving device 2 drives the driving rod 21, and the driving rod 21 is connected with the driving block, so that the driving rod 21 drives the driving block, and when the driving block moves horizontally, the hinge arm 34 rotates to push the top plate 32 to do lifting motion, thereby converting the horizontal translation motion into vertical lifting motion, and achieving the purpose of loading and unloading goods by lifting the tray 4; the utility model provides a yoke elevating gear 100 has only set up sole lift drive 2, utilizes solitary one lift drive 2 drives actuating lever 21, again by actuating lever 21 drives simultaneously first elevating system 3a with elevating system 3b is elevating movement, thereby drives tray 4's lift is guaranteed tray 4's work plane's level solves a plurality of lift drive 2 and controls elevating system 3 respectively and lead to the work plane of going up and down not flat, the problem that the goods turned on one's side easily.

Further, the vehicle body 210 is provided with a mounting bracket 211, and the driven wheel 240 is rotatably arranged below the vehicle body 210; the steering driving device 231 is arranged on the upper surface of the mounting bracket 211, the steering mechanism 232 is rotatably arranged below the mounting bracket 211, and the driving wheel 233 is in transmission connection with the steering mechanism 232.

Specifically, when the carrier needs to turn to in the process of moving ahead in the conveying process, the steering driving device 231 is controlled to be started, the steering driving device 231 drives the steering mechanism 232 to rotate, the steering mechanism 232 rotates while driving the steering mechanism 233 to rotate, so that the steering of the driving wheel is completed, the steering of the carrier is completed, the whole structure is arranged on the mounting bracket 211, the structure is simple and compact, the steering driving device 231 is utilized to control the steering, the free steering of the driving wheel 233 is prevented while the automatic control is realized, and the stability of the moving direction of the carrier is maintained.

Further, the steering mechanism 232 comprises a steering gear 232a and a gear bracket 232b, the output end of the steering driving device 231 is provided with a steering driving gear 231a, and the steering driving gear 231a is meshed with the steering gear 232 a; the steering gear 232a is rotatably connected with the mounting bracket 211;

the gear bracket 232b is connected below the steering gear 232 a; the driving wheel 233 is vertically disposed at an outer side of the gear holder 232 b.

Specifically, the steering mechanism 232 operates according to the following specific principle: the output end of the steering driving device 231 is connected with the steering driving gear 231a, when the truck needs to turn, the steering driving device 231 is activated to drive the steering driving gear 231a to rotate, meanwhile, the steering gear 232a engaged with the steering gear 232a is driven to rotate, and the steering gear 232a is rotatably connected with the mounting bracket 211, and the specific implementation mode can be that a guide post is arranged on the upper side of the steering gear 232a, the guide post is arranged on the mounting bracket 211 through a bearing, the steering gear 232a is rotated by the steering driving gear 231a, thereby driving the gear holder 232b, the driving pulley 233 is installed at the outer side of the gear holder 232b, the center of the driving wheel 233 is also located on the rotation axis of the steering gear 232a, and specifically, a connecting rod is extended from the gear bracket 232b and connected to the driving wheel 233.

Further, the moving device 220 includes a moving driving device 221 and a moving transmission mechanism 222, wherein the moving driving device 221 is disposed above the mounting bracket 211; the moving transmission mechanism 222 comprises a reduction gear assembly 222a and an output shaft 222b, the reduction gear assembly 222a is arranged in the gear bracket 232b, the moving driving device 221 is connected with the input end of the reduction gear assembly 222a, and the output shaft 222b is connected with the output end of the reduction gear assembly 222 a; the output shaft 222b is connected to the driving pulley 233.

Specifically, the axis of the output end of the movement driving device 221 and the axis of the rotation of the steering gear 232a are located on the same axis, and the center of the driving wheel 233 is also located on the axis; the steering gear 232a is hollowed in the center thereof with a slotted hole, the output end of the mobile driving device 221 penetrates through the slotted hole of the steering gear 232a and then is connected with the reduction gear assembly 222a, so as to drive the reduction gear assembly 222a, after the driving force is reduced through the transmission of the reduction gear assembly 222a, the driving force is transmitted to the driving wheel 233 through the output shaft 222b, and the driving wheel 233 is driven to rotate around the output shaft 222b, so as to realize the forward movement or backward movement of the carrier; through the deceleration of the deceleration gear assembly 222a, the slipping caused by the too fast rotation speed of the driving wheel 233 is prevented, and simultaneously, the torque of the rotation of the driving wheel 233 can be increased, so that the driving wheel 233 can still have enough torque to drive the truck to travel when the truck is used for carrying heavy objects.

Further, as shown in fig. 4, the reduction gear assembly 222a includes an input gear a, a transmission gear b, an input bevel gear c, and an output bevel gear d; the input gear a is connected with the output end of the mobile driving device 221, the transmission gear b is in meshed connection with the input gear a, the input bevel gear c is connected with the transmission gear b in a shaft, the input bevel gear c and the output bevel gear d are in mutually vertical meshed connection, and the output shaft 222b is connected with the output bevel gear d.

Specifically, the driving force of the movement driving device 221 is transmitted in the following directions: the driving force is transmitted from the input gear a to the transmission gear b, then to the input bevel gear c, then to the output bevel gear d, and finally transmitted from the output bevel gear d to the driving wheel 233 through the output shaft 222b, and after a series of transmissions, the driving force is output to the driving wheel 233 through speed reduction transmission, and multiple speed reductions can ensure that the rotation of the driving wheel 233 has enough torque, so that the driving wheel 233 can still have enough torque to drive the truck to travel when the truck is used for carrying heavy objects.

Further, the vehicle body further comprises a navigation device 300, wherein the navigation device 300 is arranged on the vehicle body 200 through a support frame 310.

Specifically, navigation head 300 can be electromagnetic navigation, magnetic tape navigation, laser navigation etc., the utility model discloses what use is that vision radar navigates, and vision radar navigation flexibility is better, and the route is laid simply relatively, and is convenient for control communication, and the relative laser navigation of cost is low, navigation head 300 passes through support frame 310 and sets up in automobile body 200's upper end to upwards extend the setting, can make navigation head 300 can detect farther place, makes the planning of circuit in advance.

Further, as shown in fig. 5, each of the first lifting mechanism 3a and the second lifting mechanism 3b includes a bottom plate 31, a top plate 32, two driving blocks, and a plurality of hinge arms 34; the first lifting mechanism 3a comprises a first driving block 331 and a second driving block 332, and the second lifting mechanism 3b comprises a third driving block 333 and a fourth driving block 334; the first driving block 331 and the second driving block 332 are both hinged to the bottom plate 31 and the top plate 32 of the first lifting mechanism 3a by the hinge arm 34; the third driving block 333 and the fourth driving block 334 are both hinged to the bottom plate 31 and the top plate 32 of the second lifting mechanism 3b by the hinge arm 34; a guide post 35 is arranged between the bottom plate 31 and the top plate 32; the driving rod 21 drives the driving block to drive the top plate 32 to move up and down along the guide post 35.

Specifically, the lifting transmission mechanism 3 is provided with a top plate 32 and a bottom plate 31, the bottom plate 31 is fixedly arranged on the support plate 1, and the bottom plate 31 is connected with the top plate 32 through the hinge arm 34; the tray 4 is fixedly connected above the top plate 32, and the tray 4 is driven to move up and down when the top plate 32 moves up and down along the guide post 35; the specific driving mode is as follows: the lifting driving device 2 drives the driving rod 21, because the driving rod 21 is connected with the driving block, the driving rod 21 drives the driving block, when the driving block moves horizontally, the hinged arm 34 rotates to push the top plate 32 to do lifting motion, so that the translation motion in the horizontal direction is converted into the lifting motion in the vertical direction, and the aim of loading and unloading goods by lifting the tray 4 is fulfilled.

Further, a synchronizing assembly 5 is arranged between the first lifting mechanism 3a and the second lifting mechanism 3 b; the body of the lifting driving device 2 is arranged on the third driving block 333, and the other end of the body of the lifting driving device 2 is provided with a connecting block 52 connected with the synchronizing assembly 5; two ends of the driving rod 21 are respectively connected with the second driving block 332 and the fourth driving block 334 in a sliding manner, two ends of the driving rod 21 are respectively provided with a shaft shoulder 211, and the driving rod 21 pushes the second driving block 332 or the fourth driving block 334 through the shaft shoulder 211 during reciprocating telescopic motion.

Specifically, the lifting driving device 2 of the present invention is installed on the third driving block 333 of the second lifting mechanism 3b, and then the connecting block 52 is arranged at the other end of the lifting driving device 2 to connect with the synchronizing assembly 5, so as to achieve the purpose of making the overall structure more compact; since the lifting driving device 2 is disposed on the third driving block 333, the third driving block 333 moves to drive the lifting driving device 2 to move, the connection of the driving rod 21 to the second driving block 332 and the fourth driving block 334 needs to be a sliding connection, the driving rod 21 is slidably moved in the slots of the second driving block 332 and the fourth driving block 334, the second driving block 332 or the fourth driving block 334 is pushed by the shoulder 211, thereby driving the second driving block 332 or the fourth driving block 334 to move, thereby driving the first driving block 331 or the third driving block 333, and then the first driving block 331 and the third driving block 333 are linked by the synchronization component 5, thereby achieving synchronous lifting of the first lifting mechanism 3a and the second lifting mechanism 3 b; the driving rod 21 is flexibly connected with the driving block, so that problems caused by rigid connection, such as dead transmission and serious abrasion among transmission mechanisms due to stroke errors, can be prevented, and the transmission between the lifting driving device 2 and the lifting transmission mechanism 3 is more stable; simultaneously elevating gear 2 set up in on the third drive block 333 of second elevating system 3b, utilize when elevating gear 2 drives, not only pass through actuating lever 21 drives, still utilizes the reaction force of actuating lever 21 thrust is applyed the reaction force on the third drive block 333, makes drive power obtain the utilization of maximize, reduces the loss of power, makes when elevating gear 2 exports same drive power, the utility model discloses an elevating gear can promote heavier goods.

The specific working principle is as follows: when the tray 4 needs to be lifted, the lifting driving device 2 drives the driving rod 21 to move toward the first lifting mechanism 3a, the shoulder 211 of the driving rod 21 collides with the second driving block 332, so as to push the second driving block 332, the first driving block 331 and the second driving block 332 approach each other, and the top plate 32 of the first lifting mechanism 3a is lifted along the guide post 35 thereof by the rotation of the hinge arm 34; meanwhile, when the first driving block 331 moves, the third driving block 333 is driven to move due to the action of the synchronizing assembly 5, so that the third driving block 333 and the fourth driving block 334 approach each other, and the top plate 32 of the second lifting mechanism 3b moves up along the guide post 35 thereof by the rotation of the hinge arm 34, so that the first lifting mechanism 3a and the second lifting mechanism 3b synchronously lift up, and the tray 4 is driven to lift up; when the tray 4 needs to be lowered, the lifting driving device 2 drives the driving rod 21 to move toward the second lifting mechanism 3b, the shoulder 211 of the driving rod 21 collides with the fourth driving block 334, so as to push the fourth driving block 334, so that the third driving block 333 and the fourth driving block 334 approach each other, and the top plate 32 of the second lifting mechanism 3b is lowered along the guide post 35 thereof by the rotation of the hinge arm 34; meanwhile, when the third driving block 333 moves, the first driving block 331 is driven to move due to the action of the synchronizing assembly 5, so that the first driving block 331 and the second driving block 332 approach each other, the top plate 32 of the first lifting mechanism 3a descends along the guide post 35 thereof by the rotation of the hinge arm 34, and thus the first lifting mechanism 3a and the second lifting mechanism 3b descend synchronously to drive the tray 4 to descend.

Further, the yoke lifting device 100 further includes: a sensing plate 41 and a sensing device; the induction device comprises a base and a swing rod 6 arranged at the top of the base; one end of the swing rod 6 is hinged with the base, and the other end of the swing rod is provided with a roller and extends out; a notch is formed in the rear end of the tray 4, and one end of the induction plate 41 is hinged to one side of the notch; the roller wheel arranged on the swing rod 6 is supported at the bottom of the induction plate 41.

Specifically, when goods move from the front end to the rear end of the fork arm, the goods pass through the sensing plate 41, the sensing plate 41 is pressed downwards, the sensing plate 41 rotates around a hinge shaft of the sensing plate and pushes the swing rod 6 of the sensing device, the roller rolls at the bottom of the sensing plate 41, the swing rod 6 swings downwards, the sensing device sends a signal that the goods move to the position of the sensing plate 41 to the control center, and the control center controls the lifting driving device 2 to start to lift the goods, so that the goods are transported away from the ground; the utility model discloses a set up induction system for this elevating gear is more intelligent and automatic, makes the transport operation more standard simultaneously, solves manual operation's subjective instability, makes the transport more stable, and is safer.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. An intelligent transportation vehicle, comprising: a yoke lifting device and a vehicle body;

the vehicle body includes: the device comprises a vehicle body, a moving device, a guide device and a driven wheel;

the guide device includes: the steering driving device, the steering mechanism and the driving wheel; the steering driving device drives the steering mechanism to further drive the driving wheel to rotate;

the yoke elevating gear includes: the lifting device comprises a supporting plate, a lifting driving device, a lifting transmission mechanism and a tray;

the lifting transmission mechanism comprises a first lifting mechanism and a second lifting mechanism, the first lifting mechanism and the second lifting mechanism are respectively arranged at two ends of the supporting plate, and the first lifting mechanism and the second lifting mechanism are both connected with the tray;

the lifting driving device is provided with a driving rod, and the lifting driving device drives the driving rod to do reciprocating telescopic motion;

the first lifting mechanism and the second lifting mechanism are connected with the driving rod;

the lifting driving device drives the first lifting mechanism and the second lifting mechanism to synchronously do lifting motion through the driving rod, so that the tray is driven to do lifting motion.

2. The intelligent cart of claim 1, wherein:

the vehicle body is provided with a mounting bracket, and the driven wheel is rotatably arranged below the vehicle body;

the steering driving device is arranged on the upper surface of the mounting bracket, the steering mechanism is rotatably arranged below the mounting bracket, and the driving wheel is in transmission connection with the steering mechanism.

3. The intelligent cart of claim 2, wherein:

the steering mechanism comprises a steering gear and a gear bracket, the output end of the steering driving device is provided with a steering driving gear, and the steering driving gear is meshed with the steering gear;

the steering gear is rotationally connected with the mounting bracket;

the gear bracket is connected below the steering gear;

the driving wheel is vertically arranged on the outer side of the gear support.

4. The intelligent cart of claim 3, wherein:

the moving device comprises a moving driving device and a moving transmission mechanism, and the moving driving device is arranged above the mounting bracket;

the movable transmission mechanism comprises a speed reduction gear assembly and an output shaft, the speed reduction gear assembly is arranged in the gear bracket, the movable driving device is connected with the input end of the speed reduction gear assembly, and the output shaft is connected with the output end of the speed reduction gear assembly;

the output shaft is connected with the driving wheel.

5. The intelligent cart of claim 4, wherein:

the reduction gear assembly comprises an input gear, a transmission gear, an input bevel gear and an output bevel gear;

the input gear is connected with the output end of the mobile driving device, the transmission gear is meshed with the input gear, the input bevel gear is connected with the transmission gear shaft, the input bevel gear and the output bevel gear are mutually vertically meshed and connected, and the output shaft is connected with the output bevel gear.

6. The intelligent cart of claim 1, wherein: still include navigation head, navigation head pass through the support frame set up in automobile body.

7. The intelligent cart of claim 1, wherein:

the first lifting mechanism and the second lifting mechanism respectively comprise a bottom plate, a top plate, two driving blocks and a plurality of hinged arms;

the first lifting mechanism comprises a first driving block and a second driving block, and the second lifting mechanism comprises a third driving block and a fourth driving block;

the first driving block and the second driving block are hinged with a bottom plate and a top plate of the first lifting mechanism through the hinge arm;

the third driving block and the fourth driving block are hinged with a bottom plate and a top plate of the second lifting mechanism through the hinge arm;

a guide post is arranged between the bottom plate and the top plate;

the driving rod drives the driving block so as to drive the top plate to do lifting motion along the guide post.

8. The intelligent cart of claim 7, wherein:

a synchronous component is arranged between the first lifting mechanism and the second lifting mechanism;

the body of the lifting driving device is arranged on the third driving block, and the other end of the body of the lifting driving device is provided with a connecting block connected with the synchronous component;

the two ends of the driving rod are respectively connected with the second driving block and the fourth driving block in a sliding mode, shaft shoulders are arranged at the two ends of the driving rod, and the driving rod pushes the second driving block or the fourth driving block through the shaft shoulders during reciprocating telescopic motion.

9. The intelligent cart of claim 1, wherein:

the yoke lifting device further comprises: the induction plate and the induction device;

the induction device comprises a base and a swing rod arranged at the top of the base;

one end of the swing rod is hinged with the base, and the other end of the swing rod is provided with a roller and extends out;

a notch is formed in the rear end of the tray, and one end of the induction plate is hinged to one side of the notch; and the roller arranged on the swing rod is supported at the bottom of the induction plate.