CN213976848U

CN213976848U - Lightweight vehicle body integration device of unmanned forklift

Info

Publication number: CN213976848U
Application number: CN202022587024.5U
Authority: CN
Inventors: 王士军; 陈金龙; 夏正彬
Original assignee: ZHEJIANG ZILI MACHINERY CO Ltd
Current assignee: ZHEJIANG ZILI MACHINERY CO Ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-08-17
Anticipated expiration: 2030-11-10

Abstract

The invention relates to the technical field of forklifts, in particular to a lightweight forklift body integration device for an unmanned forklift, which comprises a forklift body, a control terminal, a monitor, a lifting mechanism, a lifting portal frame, a function box, fork plate pieces, moving wheels, an auxiliary plate and a driving mechanism.

Description

Lightweight vehicle body integration device of unmanned forklift

Technical Field

The invention discloses a lightweight vehicle body integration device of an unmanned forklift, and belongs to the technical field of forklifts.

Background

The forklift is a motor industry vehicle provided with a pallet fork and having the functions of carrying, loading and unloading, and the most traditional machine in the logistics carrying industry is developed to the present day for hundreds of years. Currently, all forklifts in the world are divided into european and japanese genres. European pards are typified by linde forklifts. It features that the walking system adopts static pressure transmission, the vehicle body adopts the combination of upper and lower frames, and the middle part adopts silicon damper to reduce vibration. The whole vehicle has the characteristics of good jogging performance, low noise, high transmission precision and the like. The operation system of the Japanese forklift represented by the Toyota forklift adopts hydraulic transmission and an integral frame of a forklift body. The unmanned forklift has the advantages of being high in transmission efficiency, effective in manufacturing cost control and the like, along with continuous maturity of modern navigation technology and continuous code adding of artificial intelligence technology, the unmanned forklift is rapidly developed, at present, parts such as a control mechanism, a driving mechanism and a lifting mechanism are often fixed in a forklift body, the unmanned forklift body is required to be large in size and high in strength, the forklift production cost is high, and therefore the unmanned forklift light-weight body integration device is required to be designed to solve the problems.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a lightweight vehicle body integration device of an unmanned forklift.

The technical scheme adopted by the invention for solving the technical problems is as follows: a lightweight vehicle body integration device of an unmanned forklift comprises a vehicle body, a control terminal, a monitor, a lifting mechanism, a lifting portal frame, a function box, fork plate members, moving wheels, an auxiliary plate and a driving mechanism, the upper end of the right side of the vehicle body is fixedly connected with a lifting portal frame which extends into the vehicle body, the middle position of the left end of the lifting portal frame is fixedly connected with a control terminal, the control terminal is positioned at the upper side of the vehicle body, the upper end of the front side of the control terminal is fixedly connected with a monitor which is connected with the control terminal, the lifting door frame is provided with a lifting device, the right end of the lifting portal frame is connected with the function box in a sliding way, the function box is connected with the lifting mechanism, two fork plate pieces are symmetrically arranged at the right end of the lower side of the function box, the right end of the lower side of the vehicle body is symmetrically and fixedly connected with two auxiliary plates, the right part of the auxiliary plates is rotatably connected with a movable wheel, the middle part in the vehicle body is rigidly connected with a driving mechanism which is vertically arranged and extends out of the lower side of the vehicle body.

Further, the inside two-way lead screw of connecting transverse arrangement that rotates of function case downside, two-way lead screw annular end symmetry is connected two through the ball nut pair and is removed the seat and two and remove the equal sliding connection of seat inside the function case, two-way lead screw annular end middle part fixed connection worm wheel and worm wheel are in between two removal seats, worm wheel right-hand member meshing worm and worm rotate and connect the inside bottom of function case, worm upper end fixed connection servo motor's output shaft and servo motor are in between two removal seats, servo motor and control terminal electric connection, servo motor's organism is fixed on the inside top of function case, two first logical grooves and first logical groove are seted up to function case downside right-hand member symmetry and are in removing the seat right side, fork plate left end run through first logical groove and with remove seat fixed connection.

Furthermore, a first guide rod is fixedly connected inside the upper side of the function box and is located on the left side of the servo motor, the first guide rod penetrates through the two moving seats and is in sliding connection with the two moving seats, and the fork plate is fixedly connected with the moving seat at the connecting position of the fork plate and the reinforcing seat and is located inside the function box.

Further, a plurality of second through groove of arranging about fork plate upper end equidistance is seted up, fork plate inside movable mounting transverse arrangement's movable plate, a plurality of function board of movable plate upper end equidistance fixed connection, and the function board upper end sets up the second and leads to the groove and extend into second through inslot portion, even fixed connection a plurality of spring between movable plate lower extreme and the inside bottom of fork plate, movable plate lower extreme intermediate position fixed connection pull rod, pull rod movable mounting is passed fork plate and is connected with the movable plate at fork plate lower extreme intermediate position, set up the third on the pull rod lower part and lead to the groove, set up limiting plate and limiting plate on the pull rod and run through the third and lead to the groove, the limiting plate laminating sets up to pass through the rope at fork plate lower extreme and limiting plate and is connected with the handle of pull rod lower extreme.

Further, the driving mechanism comprises an electromagnetic brake, a driving motor, a steering large gear, a driving wheel, a reduction box, a steering small gear, a steering motor, a driving seat and an encoder, the upper end of the driving seat is fixedly connected with a driving motor and a steering motor which are vertically arranged, an output shaft of the driving motor penetrates through the driving seat and is fixedly connected with an input shaft of a reduction gearbox with a two-stage speed reduction design, the output shaft of the reduction gearbox is fixedly connected with a driving wheel which is vertically arranged, the reduction gearbox is fixedly connected with a steering bull gear, an output shaft of the steering motor penetrates through the driving seat and is fixedly connected with a steering pinion which is meshed with the steering bull gear, the driving motor upper end sets up electromagnetic braking ware and control terminal electric connection, steering motor upper end installation encoder and control terminal electric connection.

Further, the electromagnetic brake is a spring-loaded electromagnetic brake.

Further, the vehicle body is a member made of an aluminum material.

The invention has the beneficial effects that: (1) according to the lightweight vehicle body integration device for the unmanned forklift, the vehicle body provides an installation carrier for the lifting door frame, the auxiliary plate and the driving mechanism, the control terminal, the lifting mechanism and the function box are installed on the lifting door frame, the two fork plate pieces are fixed on the function box, the driving mechanism, the control terminal and the lifting mechanism are designed up and down, the lightweight vehicle body integration arrangement of the forklift is achieved, and the production cost is reduced.

(2) According to the lightweight vehicle body integration device of the unmanned forklift, the bidirectional screw rod can be rotated through the servo motor, the worm and the worm wheel, so that the two moving seats can move inwards or outwards, the two fork plate pieces are driven to move inwards or outwards to proper positions, the distance between the two fork plate pieces is adjusted, objects with different lengths can be lifted, and the application range is widened.

(3) According to the light-weight vehicle body integration device of the unmanned forklift, the limiting plate is taken out from the pull rod, the moving plate moves upwards under the action of the spring, the function plate extends out of the upper side of the fork plate through the second through groove, the friction coefficient of the upper end of the fork plate is increased by the aid of the extending end of the function plate, articles are effectively prevented from sliding on the fork plate, and safety is high.

(4) The light-weight vehicle body integration device of the unmanned forklift disclosed by the invention has the advantages that the driving wheel is rotated through the driving motor to realize walking work, in addition, the driving wheel can be steered through the steering motor, the steering pinion and the steering bull gear, in addition, the reduction gearbox adopts a two-stage reduction design, the primary reduction gearbox adopts a cylindrical gear, the secondary reduction gearbox adopts a spiral bevel gear to reduce speed, the rotation radius is small, the in-situ rotation can be realized, and the driving motor is vertically assembled on the reduction gearbox, so that the rotation radius installed on a vehicle body is small.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of a lightweight vehicle body integration device of the unmanned forklift truck of the invention;

FIG. 2 is a schematic view of a functional box in the lightweight vehicle body integration device of the unmanned forklift;

FIG. 3 is a sectional view taken along line A in FIG. 2;

FIG. 4 is a cross-sectional view of a functional box in the lightweight vehicle body integration device of the unmanned forklift truck of the present invention;

FIG. 5 is a schematic view of a fork plate member of the lightweight integrated device for a body of the unmanned forklift truck according to the present invention;

FIG. 6 is a cross-sectional view of a fork plate member of the lightweight body integrated device of the unmanned forklift truck of the present invention;

FIG. 7 is an enlarged view of portion B of FIG. 6;

fig. 8 is a schematic view of a driving mechanism in the lightweight vehicle body integrated device of the unmanned forklift.

In the figure: 1. the device comprises a vehicle body, 2, a control terminal, 3, a monitor, 4, a lifting mechanism, 5, a lifting gantry, 6, a function box, 7, a fork plate piece, 8, a moving wheel, 9, an auxiliary plate, 10, a driving mechanism, 61, a first through groove, 62, a bidirectional screw rod, 63, a moving seat, 64, a worm wheel, 65, a worm, 66, a first guide rod, 67, a servo motor, 71, a function plate, 72, a moving plate, 73, a spring, 74, a pull rod, 75, a limiting plate, 76, a second through groove, 101, an electromagnetic brake, 102, a driving motor, 103, a steering gear wheel, 104, a driving wheel, 105, a reduction box, 106, a steering pinion, 107, a steering motor, 108, a driving seat, 109 and an encoder.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1 to 8, the present invention provides a technical solution: the light-weight vehicle body integration device of the unmanned forklift comprises a vehicle body 1, a control terminal 2, a monitor 3, a lifting mechanism 4, a lifting portal frame 5, a function box 6, fork plate pieces 7, moving wheels 8, auxiliary plates 9 and a driving mechanism 10, wherein the upper end of the right side of the vehicle body 1 is fixedly connected with the lifting portal frame 5, the lifting portal frame 5 extends into the vehicle body 1, the middle position of the left end of the lifting portal frame 5 is fixedly connected with the control terminal 2, the control terminal 2 is positioned on the upper side of the vehicle body 1, the upper end of the front side of the control terminal 2 is fixedly connected with the monitor 3, the monitor 3 is connected with the control terminal 2, the lifting portal frame 5 is provided with a lifting mechanism, the right end of the lifting portal frame 5 is slidably connected with the function box 6, the function box 6 is connected with the lifting mechanism 4, the right end of the lower side of the function box 6 is symmetrically provided with two fork plate pieces 7, the right end of the lower side of the vehicle body 1 is symmetrically and fixedly connected with the two auxiliary plates 9, the right part of the auxiliary plates 9 is rotatably connected with the moving wheels 8, the driving mechanism 10 is rigidly connected to the middle of the vehicle body 1, and the driving mechanism 10 extends out of the lower side of the vehicle body 1.

Specifically, by means of the vehicle body 1, a mounting carrier is provided for the lifting gantry 5, the auxiliary plate 9 and the driving mechanism 10, the control terminal 2, the lifting mechanism 4 and the function box 6 are mounted on the lifting gantry 5, and the two fork plate members 7 are fixed on the function box 6, when in use, the driving mechanism 10 and the lifting mechanism 4 can be started through the control terminal 2, the driving mechanism 10 works and cooperates with the moving wheel 8 to realize walking work, the lifting mechanism 4 works to enable the function box 6 to move up and down along the lifting gantry 5, so that the two fork plate members 7 and corresponding articles can be lifted and lowered, the monitor 3 is connected with sensors at various positions of the forklift, such as an ultrasonic sensor, a pull rope sensor, a touch edge sensor and the like, so as to realize monitoring and data acquisition work, the up-down design of the driving mechanism 10, the control terminal 2 and the lifting mechanism 4 is adopted, realize fork truck lightweight automobile body integrated the arranging, reduction in production cost.

The inside of the lower side of the function box 6 is rotatably connected with a transversely arranged bidirectional screw 62, the annular end of the bidirectional screw 62 is symmetrically connected with two moving seats 63 through a ball nut pair, the two moving seats 63 are connected inside the function box 6 in a sliding way, the middle position of the annular end of the bidirectional screw 62 is fixedly connected with a worm wheel 64, the worm wheel 64 is positioned between the two moving seats 63, the right end of the worm wheel 64 is meshed with a worm 65, the worm 65 is rotatably connected with the bottom end inside the function box 6, the upper end of the worm 65 is fixedly connected with an output shaft of a servo motor 67, the servo motor 67 is positioned between the two moving seats 63, the servo motor 67 is electrically connected with the control terminal 2, the body of the servo motor 67 is fixed at the top end inside the function box 6, the right end of the lower side of the function box 6 is symmetrically provided with two first through grooves 61, the first through grooves 61 are positioned at the right side of the moving seats 63, and the left end of the fork plate 7 penetrates through the first through grooves 61 and is fixedly connected with the moving seats 63, specifically, through control terminal 2, start servo motor 67, servo motor 67 work can drive the worm 65 rotatory, because of worm wheel 64 and worm 65 meshing, so the worm 65 is rotatory to be made the worm wheel 64 rotatory, and then it is rotatory to drive two-way lead screw 62, because of two-way lead screw 62 passes through two removal seats 63 of ball nut pair connection, so two-way lead screw 62 is rotatory to be made two removal seats 63 inwards or outwards move, and then drive two fork plate spare 7 inwards or outwards move to suitable position, realize adjusting distance between two fork plate spare 7, satisfy and lift the article of different length, promote application scope.

Inside fixed connection first guide arm 66 and first guide arm 66 are in servo motor 67 left side of the upside of function case 6, and first guide arm 66 runs through two and removes seat 63 and with two and remove seat 63 sliding connection, and fork board spare 7 is connected the position fixed connection with removing seat 63 and is strengthened the seat and strengthen the seat and be in inside function case 6, specifically, through first guide arm 66, leads to the removal that removes seat 63.

The upper end of the fork plate member 7 is provided with a plurality of second through grooves 76 which are arranged left and right at equal intervals, the fork plate member 7 is internally movably provided with a transversely arranged moving plate 72, the upper end of the moving plate 72 is fixedly connected with a plurality of function plates 71 at equal intervals, the upper ends of the function plates 71 are provided with second through grooves 76 and extend into the second through grooves 76, a plurality of springs 73 are uniformly and fixedly connected between the lower end of the moving plate 72 and the bottom end of the interior of the fork plate member 7, the middle position of the lower end of the moving plate 72 is fixedly connected with a pull rod 74, the pull rod 74 is movably arranged at the middle position of the lower end of the fork plate member 7 and penetrates through the fork plate member 7 to be connected with the moving plate 72, the lower part of the pull rod 74 is provided with a third through groove, the pull rod 74 is provided with a limiting plate 75, the limiting plate 75 is arranged at the lower end of the fork plate member 7 in a fit manner, the limiting plate 75 is connected with an operating handle at the lower end of the pull rod 74 through a rope, specifically, the limiting plate 75 is taken out from the pull rod 74, and the pull rod 74 is loosened, the moving plate 72 is moved upwards under the action of the spring 73, the function plate 71 extends out of the upper side of the fork plate 7 through the second through groove 76, the friction coefficient of the upper end of the fork plate 7 is increased by utilizing the extending end of the function plate 71, articles are effectively prevented from sliding from the fork plate 7, and the safety is high.

The driving mechanism 10 comprises an electromagnetic brake 101, a driving motor 102, a steering large gear 103, a driving wheel 104, a reduction box 105, a steering small gear 106, a steering motor 107, a driving seat 108 and an encoder 109, the upper end of the driving seat 108 is fixedly connected with the driving motor 102 and the steering motor 107 which are vertically arranged, an output shaft of the driving motor 102 penetrates through the driving seat 108 and is fixedly connected with an input shaft of the reduction box 105 with a two-stage speed reduction design, the output shaft of the reduction box 105 is fixedly connected with the driving wheel 104 which is vertically arranged, the steering large gear 103 is fixedly connected on the reduction box 105, an output shaft of the steering motor 107 penetrates through the driving seat 108 and is fixedly connected with the steering small gear 106, the steering small gear 106 is meshed with the steering large gear 103, the upper end of the driving motor 102 is provided with the electromagnetic brake 101 and is electrically connected with the control terminal 2, the encoder 109 is installed at the upper end of the steering motor 107 and is electrically connected with the control terminal 2, specifically, the driving wheel 104 can be rotated to realize walking work by the operation of the driving motor 102 and the reduction gearbox 105, in addition, the steering pinion 106 can be rotated by the steering motor 107, the steering gearwheel 103 can be rotated, the reduction gearbox 105 and the driving wheel 104 can be rotated to realize steering work, in addition, the reduction gearbox 105 adopts a two-stage speed reduction design, the first stage is a cylindrical gear, the second stage is a spiral bevel gear speed reduction, the rotation radius is small, the in-situ rotation can be realized, and the driving motor 102 is vertically assembled on the reduction gearbox 105, so that the rotation radius installed on the vehicle body 1 is small.

The electromagnetic brake 101 is a spring 73 pressurized electromagnetic brake 101, specifically, the spring 73 pressurized electromagnetic brake 101 is a single-disc brake with double friction surfaces, strong braking torque can be generated in a power-off state through the pressure spring 73, and the brake is released through an electromagnetic effect.

The vehicle body 1 is a member made of an aluminum material, specifically, an aluminum material, and is effective in reducing the weight of the vehicle body 1 and reducing energy consumption.

In the embodiment, firstly, according to the length of an article, the servo motor 67 can be started through the control terminal 2, the servo motor 67 can drive the worm 65 to rotate when working, the worm wheel 64 can rotate by the rotation of the worm 65 due to the engagement of the worm wheel 64 and the worm 65, and then the bidirectional screw 62 can be driven to rotate, the bidirectional screw 62 can drive the two moving seats 63 to move inwards or outwards due to the rotation of the worm 65 due to the engagement of the worm wheel 64 and the worm 65, and further the two fork plate members 7 can move inwards or outwards to proper positions to adjust the distance between the two fork plate members 7, then the overdrive motor 102 can be started through the control terminal 2, the drive motor 102 can drive the drive wheel 104 to rotate to realize walking work, and the steering pinion 106 can be driven to rotate by the steering motor 107, and further the steering bull gear 103 can be driven to rotate, and further the reduction box 105 and the drive wheel 104 can be driven to rotate, the steering work is realized, so that the two fork plates 7 are inserted into the lower parts of the articles, the lifting mechanism 4 is utilized to enable the function box 6 to move up and down along the lifting portal 5, the two fork plates 7 and the corresponding articles are lifted and lowered, the opening degree of the regulating valve on the lifting mechanism 4 and the rotating speed of the oil pump motor on the lifting mechanism 4 are output according to the analog quantity given by the control terminal 2, the oil flow is regulated steplessly, the precise positioning of the fork height is realized, the data such as the lifting height, the load weight and the like are collected by the monitor 3 and are fed back to the control terminal 2, the control terminal 2 automatically regulates the lifting speed and the lowering speed of the function box 6 and the running speed of the forklift body 1 according to a certain control strategy, and the active safety and the running efficiency of the forklift are improved.

Wherein the control terminal 2, the monitor 3, the lifting mechanism 4, the servo motor 67, the electromagnetic brake 101, the driving motor 102, the reduction box 105, the steering motor 107 and the encoder 109 are all in the prior art, and can be fully realized by those skilled in the art, and needless to say, the protection content of the present invention does not relate to the improvement of software and methods.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Unmanned fork truck lightweight automobile body integrated device, its characterized in that: the lifting device comprises a vehicle body (1), a control terminal (2), a monitor (3), a lifting mechanism (4), a lifting portal frame (5), a function box (6), fork plate pieces (7), a moving wheel (8), an auxiliary plate (9) and a driving mechanism (10), wherein the upper end of the right side of the vehicle body (1) is fixedly connected with the lifting portal frame (5), the lifting portal frame (5) extends into the vehicle body (1), the middle position of the left end of the lifting portal frame (5) is fixedly connected with the control terminal (2), the control terminal (2) is positioned on the upper side of the vehicle body (1), the upper end of the front side of the control terminal (2) is fixedly connected with the monitor (3), the monitor (3) is connected with the control terminal (2), the lifting portal frame (5) is installed and lifted, the right end of the lifting portal frame (5) is slidably connected with the function box (6), the function box (6) is connected with the lifting mechanism (4), and two fork plate pieces (7) are symmetrically arranged at the right end of the lower side of the function box (6), the automobile body is characterized in that the right end of the lower side of the automobile body (1) is symmetrically and fixedly connected with two auxiliary plates (9), the right part of each auxiliary plate (9) is rotatably connected with a movable wheel (8), the middle part in the automobile body (1) is rigidly connected with a vertically arranged driving mechanism (10), and the driving mechanism (10) extends out of the lower side of the automobile body (1).

2. The unmanned forklift lightweight vehicle body integration device according to claim 1, characterized in that: the inside two-way lead screw (62) of connecting transverse arrangement that rotates of function case (6) downside, two-way lead screw (62) annular end symmetry is connected two through the ball nut pair and is removed seat (63) and two and remove equal sliding connection of seat (63) inside function case (6), two-way lead screw (62) annular end middle part position fixed connection worm wheel (64) and worm wheel (64) are in between two removal seats (63), worm wheel (64) right-hand member meshing worm (65) and worm (65) rotate and connect the inside bottom of function case (6), output shaft and servo motor (67) of worm (65) upper end fixed connection are in between two removal seats (63), servo motor (67) and control terminal (2) electric connection, the organism of servo motor (67) is fixed at the inside top of function case (6), two first through grooves (61) are symmetrically formed in the right end of the lower side of the functional box (6), the first through grooves (61) are located on the right side of the movable seat (63), and the left end of the fork plate (7) penetrates through the first through grooves (61) and is fixedly connected with the movable seat (63).

3. The unmanned forklift lightweight vehicle body integration device according to claim 2, characterized in that: function box (6) upside inside fixed connection first guide arm (66) and first guide arm (66) are in servo motor (67) left side, first guide arm (66) run through two and remove seat (63) and with two removal seat (63) sliding connection, fork plate spare (7) and removal seat (63) hookup location fixed connection strengthen the seat and be in inside function box (6).

4. The unmanned forklift lightweight vehicle body integration device according to claim 1, characterized in that: the fork plate piece (7) upper end equidistance is seted up and is led to a plurality of second that arrange about, fork plate piece (7) inside movable mounting transverse arrangement's movable plate (72), a plurality of function board (71) of movable plate (72) upper end equidistance fixed connection, and function board (71) upper end sets up the second and leads to groove (76) and extend into the second and lead to the inslot (76), evenly fixed connection a plurality of spring (73) between movable plate (72) lower extreme and the inside bottom of fork plate piece (7), movable plate (72) lower extreme intermediate position fixed connection pull rod (74), pull rod (74) movable mounting is in fork plate piece (7) lower extreme intermediate position and is passed fork plate piece (7) and be connected with movable plate (72), set up the third and lead to the groove on pull rod (74) lower part, set up limiting plate (75) and limiting plate (75) on pull rod (74) and run through the third and lead to the groove, the limiting plate (75) is attached to the lower end of the fork plate piece (7), and the limiting plate (75) is connected with an operating handle at the lower end of the pull rod (74) through a rope.

5. The unmanned forklift lightweight vehicle body integration device according to claim 1, characterized in that: the driving mechanism (10) comprises an electromagnetic brake (101), a driving motor (102), a steering large gear (103), a driving wheel (104), a reduction gearbox (105), a steering small gear (106), a steering motor (107), a driving seat (108) and an encoder (109), the upper end of the driving seat (108) is fixedly connected with the driving motor (102) and the steering motor (107) which are vertically arranged, an output shaft of the driving motor (102) penetrates through the driving seat (108) and is fixedly connected with an input shaft of the reduction gearbox (105) with a secondary speed reduction design, an output shaft of the reduction gearbox (105) is fixedly connected with the driving wheel (104) which is vertically arranged, the reduction gearbox (105) is fixedly connected with the steering large gear (103), an output shaft of the steering motor (107) penetrates through the driving seat (108) and is fixedly connected with the steering small gear (106), and the steering small gear (106) is meshed with the steering large gear (103), the electromagnetic brake (101) and the electromagnetic brake (101) are arranged at the upper end of the driving motor (102) and electrically connected with the control terminal (2), and the encoder (109) are installed at the upper end of the steering motor (107) and electrically connected with the control terminal (2).

6. The unmanned forklift lightweight vehicle body integration device according to claim 5, characterized in that: the electromagnetic brake (101) is a spring (73) pressurizing electromagnetic brake (101).

7. The unmanned forklift lightweight vehicle body integration device according to claim 1, characterized in that: the vehicle body (1) is a component made of an aluminum material.