CN210973758U

CN210973758U - AGV fork truck

Info

Publication number: CN210973758U
Application number: CN201921404696.9U
Authority: CN
Inventors: 刘晓光
Original assignee: Shanghai Yunda Freight Co ltd
Current assignee: Shanghai Fengshuo Intelligent Technology Co ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-07-10
Anticipated expiration: 2029-08-28

Abstract

The utility model provides an AGV forklift, which comprises a walking driving mechanism, a rotating mechanism, a lifting mechanism and a fixed seat, wherein the lifting mechanism is connected with a forklift part, and the forklift part is movably connected with the fixed seat; the walking driving mechanism comprises a walking wheel, and a driving motor is connected to the walking wheel; the forklift is lifted in a servo module mode, the lifting stability is better, and the reasonable structural layout ensures that the whole equipment has small volume, simple structure and convenient transportation; a single driving wheel is arranged and can realize steering, the single driving wheel is large in wheel body, better in controllability compared with a plurality of small wheels, and larger in bearing capacity.

Description

AGV fork truck

Technical Field

The utility model relates to a AGV car field especially relates to AGV fork truck.

Background

In present transportation industry and logistics, the transport of goods is generally accomplished by fork truck, and present fork truck is mostly manual type, controls fork truck's operation and fork truck promptly and goes up the action of lifting and the descending action of fork, and then accomplishes the transport operation. With the rapid rise of AGVs (Automated Guided vehicles), people hope to perform unmanned transport functions for AGVs.

The current AGV fork truck just as patent publication number is: CN 109607426 a discloses an AGV forklift, which is bulky, difficult to transport for some goods on the ground, and complicated in structure.

For another example, patent publication numbers are: the structure of the forklift AGV disclosed in CN 205740213U is small in size, but cannot perform operations such as steering.

Also like a speed measuring device and forklift type AGV disclosed in CN 103935935A, this kind of dolly all is a plurality of wheel bodies usually, and the centre sets up steering mechanism, though can realize turning to, but the bearing capacity of middle universal wheel is relatively poor, has reduced the bearing of whole dolly.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an AGV forklift, which comprises a walking driving mechanism, a rotating mechanism, a lifting mechanism and a fixed seat, wherein the lifting mechanism is connected with a forklift part, and the forklift part is movably connected with the fixed seat;

the walking driving mechanism comprises a walking wheel, and a driving motor is connected to the walking wheel;

the rotating mechanism is connected to the upper part of the travelling wheel and comprises a horizontally arranged steering wheel, the center of the steering wheel is connected with a hollow steering shaft, the steering driving mechanism drives the steering wheel to rotate, and the hollow steering shaft penetrates through the fixed seat;

the hollow steering shaft is coaxially connected with a lifting gear, the lifting gear is meshed with a lifting driving mechanism, the center of the lifting gear is connected with a lead screw, a sliding block of the lead screw is fixed with the lifting gear, one end of the lead screw extends into the hollow steering shaft, and the end part of the lead screw is fixed with the forklift part.

Preferably, the fixed seat comprises a horizontal frame, the steering driving mechanism is fixed on the horizontal frame, and the output end of the steering driving mechanism is meshed with the steering wheel; the lifting driving mechanism is fixed on the horizontal frame, and the output end of the lifting driving mechanism is meshed with the lifting gear.

Preferably, the steering driving mechanism comprises a steering motor, the output end of the steering motor is connected with a first gear, and the first gear is meshed with the steering wheel.

Preferably, the lifting driving mechanism comprises a lifting motor, the output end of the lifting motor is connected with a second gear, and the second gear is meshed with the lifting gear.

Preferably, the forklift part comprises linkage pieces connected to two sides of the fixed seat, one end of each linkage piece is connected with the fixed seat, the other end of each linkage piece is connected with a pull rod, and the tail end of each pull rod is horizontally arranged and connected with a roller; a connecting shaft is connected between the linkage pieces; and a shell is fixed on the linkage piece, a fork body is arranged at the lower part of the shell, and the fork body is positioned at the upper part of the pull rod.

Preferably, a battery pack is arranged in the housing.

Preferably, the idler wheel comprises a connecting seat, the connecting seat is connected with the pull rod through a rotating pin, and two wheel bodies are connected to the connecting seat.

Preferably, two holes are formed in the fork body, and the holes correspond to the wheel body.

Preferably, the surface of the steering wheel is provided with an arc-shaped groove, a positioning pin is clamped in the arc-shaped groove, and the positioning pin is fixed on the fixed seat.

The utility model provides a AGV fork truck has following beneficial effect: 1. the forklift is lifted in a servo module mode, the lifting stability is better, and the reasonable structural layout ensures that the whole equipment has small volume, simple structure and convenient transportation; 2. a single driving wheel is arranged and can realize steering, the single driving wheel is large in wheel body, better in controllability compared with a plurality of small wheels, and larger in bearing capacity.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic view of the fixing base of the present invention;

fig. 5 is a schematic view of a hollow steering shaft of the present invention;

fig. 6 is a schematic connection diagram of the linkage plate of the present invention;

wherein, 1, fixing the base; 2. a traveling wheel; 3. a drive motor; 4. a steering wheel; 5. a hollow steering shaft; 6. A steering motor; 7. a first gear; 8. a lifting gear; 9. a screw rod; 10. a slider; 11. a lifting motor; 12. A second gear; 13. positioning pins; 14. an arc-shaped slot; 15. a linkage piece; 16. a pull rod; 17. a fork body; 18. a housing; 19. a connecting shaft; 20. rotating the pin; 21. a wheel body; 22. a horizontal frame; 23. and (4) a hole.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1, 2 and 3, the utility model provides an AGV forklift, which comprises a walking driving mechanism, a rotating mechanism, a lifting mechanism and a fixed seat 1, wherein the lifting mechanism is connected with a forklift part, and the forklift part is movably connected with the fixed seat 1; the walking driving mechanism is used for driving the whole forklift to move, and specifically comprises: the walking driving mechanism comprises a walking wheel 2, a driving motor 3 is connected to the walking wheel 2, the driving motor 3 is connected to the side edge of the center of the walking wheel 2, the walking wheel 2 is large in diameter and can bear heavy weight by being directly borne by a single wheel, meanwhile, a rotating mechanism is specially arranged for realizing the steering function, the rotating mechanism is connected to the upper portion of the walking wheel 2 and comprises a steering wheel 4 which is horizontally arranged, the center of the steering wheel 4 is connected with a hollow steering shaft 5, the steering driving mechanism drives the steering wheel 4 to rotate, the hollow steering shaft 5 penetrates through the fixed seat 1, the upper portion of the walking wheel 2 is connected with a mounting seat for fixing the driving motor 3 and fixing the steering wheel 4, the steering driving mechanism comprises a steering motor 6, the output end of the steering motor 6 is connected with a first gear 7, the first gear 7 is meshed with the steering wheel 4; through the rotation that turns to motor 6, can drive the fixed walking wheel 2 rotation in lower part to the adjustment of realization direction, and in order to guarantee pivoted direction restriction nature, and guarantee that whole volume is less, 4 surfaces of directive wheel are equipped with arc wall 14, the block has locating pin 13 in the arc wall 14, locating pin 13 is fixed in on the fixing base 1, through locating pin 13 in arc wall 14, during the rotation, can guarantee to rotate along the orbit of arc wall 14, and stability can guarantee.

And in order to realize fork truck can go up and down in order to lift up the goods, this device has designed elevating system and fixing base 1 very much, the last fork truck portion that is connected with of elevating system, fork truck portion with 1 swing joint of fixing base, specific theory:

a lifting gear 8 is coaxially connected to the hollow steering shaft 5, a lifting driving mechanism is engaged with the lifting gear 8, a lead screw 9 is connected to the center of the lifting gear 8, a slider 10 of the lead screw 9 is fixed to the lifting gear 8, one end of the lead screw 9 extends into the hollow steering shaft 5, and the end of the lead screw 9 is fixed to the forklift part, wherein it is described that the hollow steering shaft 5 passes through a through hole 23 in the center of a fixing seat 1 as shown in fig. 5, a bearing is arranged on the hollow rotating shaft and is connected with the lifting gear 8 and the steering wheel 4, the size of the device is reduced due to the integrated design, the hollow designer facilitates the lifting of the lead screw 9, the fixing seat 1 comprises a horizontal frame 22, the steering driving mechanism is fixed to the horizontal frame 22, and the output end of the steering driving mechanism is engaged with the steering wheel 4; the lifting driving mechanism is fixed in on the horizontal shelf 22 and the output with lifting gear 8 meshes, lifting driving mechanism includes lifting motor 11, lifting motor 11 output is connected with second gear 12, second gear 12 in lifting gear 8 meshes, and when lifting gear 8 rotated, because lifting gear 8 and the slider 10 of lead screw 9 are fixed, during the rotation, can drive lead screw 9 up-and-down motion, and then the fork truck portion of drive flagpole end connection goes up and down.

Specifically, the forklift part comprises linkage pieces 15 connected to two sides of a fixed seat 1, one end of each linkage piece 15 is connected with the fixed seat 1, the other end of each linkage piece 15 is connected with a pull rod 16, and the tail end of each pull rod 16 is horizontally arranged and connected with a roller; a connecting shaft 19 is connected between the linkage pieces 15; the linkage piece is fixed with a shell 18, the lower portion of the shell 18 is provided with a fork body 17, the fork body 17 is located on the upper portion of the pull rod 16, a connecting shaft 19 is arranged between the linkage pieces 15, consistency of two sides is guaranteed, the linkage pieces 15 can be of an arc-shaped or Y-shaped structure, the fork body 17 can be upwards in a linear mode when jacking upwards, structural complexity of a traditional chain conveying mode is reduced by combining the screw rod 9 through the structure, and stability is higher.

It is further noted that the battery pack is arranged in the housing 18 and is arranged in the housing 18 at the end of the fork 17, so that the volume of the device is reduced.

Be equipped with two holes 23 on the fork body 17, hole 23 with wheel body 21 corresponds, the gyro wheel includes the connecting seat, the connecting seat is connected with pull rod 16 through commentaries on classics round pin 20, be connected with two wheel bodies 21 on the connecting seat, be equipped with two holes 23 on the fork body 17, hole 23 with wheel body 21 corresponds, guarantees that wheel body 21 is pressed always subaerially in the lift process, makes the in-process that descends like this, and stability is better, and the goods is unstable when descending.

Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An AGV forklift is characterized by comprising a walking driving mechanism, a rotating mechanism, a lifting mechanism and a fixed seat, wherein a forklift part is connected to the lifting mechanism and movably connected with the fixed seat;

2. The AGV fork truck of claim 1, wherein the mounting bracket includes a horizontal bracket, the steering drive mechanism being secured to the horizontal bracket and having an output end engaging the steering wheel; the lifting driving mechanism is fixed on the horizontal frame, and the output end of the lifting driving mechanism is meshed with the lifting gear.

3. The AGV fork truck of claim 1 or 2, wherein the steering drive comprises a steering motor, a first gear being connected to the steering motor output, the first gear being engaged with the steering wheel.

4. The AGV fork truck of claim 1 or 2, wherein the lift drive comprises a lift motor, and a second gear is coupled to the lift motor output and is engaged with the lift gear.

5. The AGV forklift of claim 1, wherein the forklift portion comprises linkage pieces connected to both sides of a fixed seat, one end of each linkage piece is connected with the fixed seat, the other end of each linkage piece is connected with a pull rod, and the horizontal ends of the pull rods are connected with rollers; a connecting shaft is connected between the linkage pieces; and a shell is fixed on the linkage piece, a fork body is arranged at the lower part of the shell, and the fork body is positioned at the upper part of the pull rod.

6. The AGV forklift of claim 5, wherein a battery pack is provided within said enclosure.

7. The AGV fork truck of claim 5, wherein the rollers comprise a coupling socket connected to the drawbar via a pivot pin, the coupling socket having two wheel bodies attached thereto.

8. The AGV fork truck of claim 7, wherein the fork body includes two apertures, the apertures corresponding to the wheels.

9. The AGV fork truck of claim 1, wherein the surface of the steering wheel is provided with an arc-shaped groove, a positioning pin is clamped in the arc-shaped groove, and the positioning pin is fixed on the fixed seat.