CN111186793A

CN111186793A - Automatic lifting forklift

Info

Publication number: CN111186793A
Application number: CN202010092228.3A
Authority: CN
Inventors: 吴虎群
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2020-05-22
Also published as: CN112938824A

Abstract

The invention discloses an automatic lifting forklift, which structurally comprises a rear driving wheel, a forklift body, a front driving wheel, a fork device, a lifting device, a high-strength steel frame, a hydraulic cylinder, a hood and a seat, wherein the driving wheel is arranged on each of two sides of the front end of the forklift body, and the rear driving wheel is arranged on each of two sides of the rear end of the forklift body. The fork device provided by the invention adopts a novel structure, the high-strength fork has a telescopic function by arranging the hydraulic telescopic frame, the problem that a forklift is limited by advancing is solved, the high-strength fork has a translation function by arranging the translation adjusting mechanism and can be limited by the side position, the high-strength fork has an angular rotation function by arranging the angle adjusting mechanism, the problem that the forklift is limited by the local space position is solved, and the goods can be tightened by arranging the goods limiting and clamping device to prevent the goods from falling.

Description

Automatic lifting forklift

Technical Field

The invention relates to the technical field of engineering machinery, in particular to an automatic lifting forklift.

Background

With the rapid development of Chinese economy, the material handling of most enterprises has been separated from the original manual handling, and is replaced by the mechanized handling mainly based on a forklift, the forklift is used for lifting and handling heavy goods to a specified position, the application field of the forklift is increasingly wide, and the existing forklift has the following defects due to the incomplete technology to be improved:

present fork and lifter plate are the fixity, rely on fork truck to turn to the movement track who controls the fork plate, when fork truck carried the goods in narrow and small passageway, because the narrow and small nature of passageway can make fork truck can't advance or can't the side shift for the fork can not just to the goods, is unfavorable for the fork to carry the goods and can't carry the goods even.

Disclosure of Invention

The invention mainly aims to overcome the defects of the prior art and provide an automatic lifting forklift.

The invention is realized by adopting the following technical scheme: an automatic lifting forklift structurally comprises a rear driving wheel, a forklift body, a front driving wheel, a fork device, a lifting device, a high-strength steel frame, a hydraulic cylinder, a hood and a seat, wherein the driving wheel is arranged on each of two sides of the front end of the forklift body, the rear driving wheel is arranged on each of two sides of the rear end of the forklift body, the hood is connected to the forklift body, the seat is arranged in the forklift body, the forklift body is connected with the high-strength steel frame through the hydraulic cylinder, the lifting device is arranged on the high-strength steel frame, and the lifting device is connected with the;

the fork device is including hydraulic telescoping frame, fixed even board, activity even board, translation adjustment mechanism, angle adjustment mechanism, high strength fork, fixed even board is connected with the activity even board through hydraulic telescoping frame, the bottom fixedly connected with translation adjustment mechanism of activity even board, translation adjustment mechanism is connected with the high strength fork through angle adjustment mechanism, the fixed one side of keeping away from hydraulic telescoping frame that links the board is connected in elevating gear.

As optimizing, translation adjustment mechanism is including micromotor, lead screw, slip subassembly, fixed box body, rectangular direction mouth No. one, rectangular direction mouth has all been seted up to the upper and lower both ends face and the lateral surface of fixed box body, rectangular direction mouth cooperatees with the slip subassembly, the slip subassembly is connected with the lead screw, place fixed box body in the lead screw in and be connected with a micromotor transmission, fixed box body and fixed even board fixed connection, the slip subassembly links in angle adjustment mechanism.

As optimization, the slip subassembly is including U type slider, connecting block, nut pair, triangle fastening block, the interior wall connection of connecting block and U type slider is all passed through to both ends and one side about the nut is vice, the outer wall quartering position of connecting block still all connects in the nut pair through triangle fastening block, place fixed box body in the nut pair and with lead screw threaded connection, fixed box body is located outward to U type slider and is connected with angle adjustment mechanism, connecting block and rectangular direction mouthful clearance fit.

As optimization, angle adjustment mechanism is including fixed block, pivot, driven gear, high strength U type piece, No. two micromotors, driving gear, install the driving gear on the output shaft of No. two micromotors, the driving gear meshes with driven gear mutually, driven gear overfitting in pivot, the pivot run through in the fixed block and with the high strength U type piece fixed connection who integratively becomes the U type.

As optimization, the high-strength U-shaped block is connected to the high-strength pallet fork, the fixing block is fixedly connected with the U-shaped sliding block, a movable gap is formed between the outer side face of the fixing block and the inner side face of the high-strength U-shaped block, and the second micromotor is mechanically connected with the top of the U-shaped sliding block.

As optimization, high strength fork is including backup pad, pulley, swivel mount, pole setting, U type fork is connected with the pole setting is perpendicular, swing joint has the swivel mount in the pole setting, the pulley is equipped with on the swivel mount, the pulley contacts with the backup pad, U type fork is connected in high strength U type piece.

Preferably, a cargo limiting and clamping device is further arranged between the two forks of the U-shaped fork.

Preferably, the goods limiting and clamping device comprises a fixed sliver can, a limiting clamping plate, a telescopic rod and a fixed clamping plate, one end of the telescopic rod is perpendicularly connected with the fixed clamping plate, the other end of the telescopic rod is connected with the fixed sliver can, and the fixed sliver can is provided with the lifting limiting clamping plate.

Preferably, a gap is formed between the tail end face of the fixed long barrel and the inner wall face of the U-shaped fork, the fixed clamping plate is fixedly connected with the U-shaped fork, and one face, facing the fixed clamping plate, of the limiting clamping plate is in a rough surface structure.

Advantageous effects

Compared with the prior art, the invention provides an automatic lifting forklift, which has the following beneficial effects:

(1) according to the invention, by arranging the hydraulic telescopic frame, when the forklift is limited by advancing, the high-strength pallet fork extends outwards in the direction of the goods to carry the goods by stretching the hydraulic telescopic frame;

(2) according to the invention, by arranging the translation adjusting mechanism, when the forklift is limited by the space position at the side, the screw rod is rotated by driving the first micro motor to operate, so that the nut pair drives the U-shaped sliding block to translate through the connecting block and the triangular fastening block, the high-strength pallet fork translates along with the nut pair under the connecting action of the fixing block and the high-strength U-shaped block, and the high-strength pallet fork is laterally displaced, thereby being suitable for the forklift for carrying goods in different narrow and small passageways;

(3) according to the forklift truck, the angle adjusting mechanism is arranged, when the forklift truck is limited by a local space position, the driving gear is driven to rotate by driving the second micro motor to operate, so that the driven gear meshed with the driving gear is driven to rotate, the driven gear rotates to enable the high-strength U-shaped block to be linked through the rotating shaft, and further the high-strength pallet fork is driven to rotate by taking the rotating shaft as the shaft, so that the forklift truck can conveniently rotate when carrying goods in a narrow passage through the rotation of the high-strength pallet fork angle, and the practicability of the forklift truck is guaranteed;

(4) according to the goods limiting and clamping device, the goods are clamped by the fixed clamping plate and the limiting clamping plate, so that the goods are prevented from falling off during moving, the distance between the limiting clamping plate and the fixed clamping plate can be adjusted by the telescopic rod, the goods limiting and clamping device can adapt to goods with different widths, and the application range is wide.

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 structural view of an automatic forklift according to the present invention.

Fig. 2 is a side view of the fork assembly of the present invention.

Fig. 3 is a schematic top view of the fork assembly of the present invention in a first operating state.

Fig. 4 is a schematic top view of the fork assembly of the present invention in a second operating condition.

Fig. 5 is a schematic top view of the fork assembly of the present invention in a third operating state.

Fig. 6 is a schematic top view of the fork assembly of the present invention in a fourth operating state.

Fig. 7 is a schematic structural diagram of the translation adjusting mechanism of the present invention.

FIG. 8 is a schematic view of the structure of the sliding assembly of the present invention

FIG. 9 is a schematic view of the structure of the U-shaped slider of the present invention cooperating with a second micro-motor.

Fig. 10 is a partial structural schematic view of the angle adjustment mechanism of the present invention.

Fig. 11 is a schematic structural view of a high strength pallet fork of the present invention.

Fig. 12 is a schematic top view of the U-shaped fork of the present invention in cooperation with a cargo restraint clamp.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

rear driving wheel-1, vehicle body-2, front driving wheel-3, fork device-4, lifting device-5, high-strength steel frame-6, hydraulic cylinder-7, hood-8, seat-9, hydraulic telescopic frame-41, fixed connecting plate-42, movable connecting plate-43, translation adjusting mechanism-44, angle adjusting mechanism-45, high-strength fork-46, first micro-motor-441, screw rod-442, sliding component-443, fixed box-444, long guide opening-445, U-shaped sliding block-443 a, connecting block-443 b, nut pair-443 c, triangular fastening block-443 d, fixed block-451, rotating shaft-452, driven gear-453, high-strength U-shaped block-454, second micro-motor-455, 455, A driving gear-456, a support plate-461, a pulley-462, a rotating frame-463, an upright rod-464, a U-shaped fork-465, a goods limiting and clamping device-465 a, a fixed long barrel-465 b, a limiting clamping plate-465 c, an expansion rod-465 d and a fixed clamping plate-465 e.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 to 10, the present invention provides an automatic lift type forklift technical scheme: the structure of the forklift comprises a rear driving wheel 1, a forklift body 2, a front driving wheel 3, a fork device 4, a lifting device 5, a high-strength steel frame 6, a hydraulic cylinder 7, a hood 8 and seats 9, wherein the driving wheel 3 is arranged on each of two sides of the front end of the forklift body 2, the rear driving wheel 1 is arranged on each of two sides of the rear end of the forklift body 2, the hood 8 is connected onto the forklift body 2, the seats 9 are arranged in the forklift body 2, the forklift body 2 is connected with the high-strength steel frame 6 through the hydraulic cylinder 7, the lifting device 5 is arranged on the high-strength steel frame 6, and the lifting device;

fork device 4 is including hydraulic telescoping frame 41, fixed even board 42, activity even board 43, translation adjustment mechanism 44, angle adjustment mechanism 45, high strength fork 46, fixed even board 42 is connected with activity even board 43 through hydraulic telescoping frame 41, the bottom fixedly connected with translation adjustment mechanism 44 of activity even board 43, translation adjustment mechanism 44 is connected with high strength fork 46 through angle adjustment mechanism 45, the one side that hydraulic telescoping frame 41 was kept away from to fixed even board 42 is connected in elevating gear 5, setting up of hydraulic telescoping frame 41 makes high strength fork 46 have flexible function, can make high strength fork 46 overhanging carry the goods through hydraulic telescoping frame 41 when fork truck receives the restriction of advancing.

The translation adjusting mechanism 44 comprises a first micro motor 441, a screw rod 442, a sliding component 443, a fixed box body 444 and a strip guide opening 445, the upper and lower end faces and the outer side face of the fixed box body 444 are both provided with a long guide opening 445, the elongated guide opening 445 is engaged with a slide assembly 443, the slide assembly 443 is connected with the lead screw 442, the screw rod 442 is arranged in the fixed box 444 and is in transmission connection with the first micro-motor 441, the fixed box 444 is fixedly connected with the fixed connecting plate 42, the sliding component 443 is connected with the angle adjusting mechanism 45, the translational adjustment mechanism 44 is configured to provide the high strength forks 46 with a translational function, so that when the fork truck is limited in lateral position, can finely tune high strength fork 46's position, make high strength fork 46 carry out side displacement to can be adapted to different narrow and small passageway fork truck transport goods.

The sliding assembly 443 includes a U-shaped slider 443a, a connecting block 443b, a nut pair 443c, and a triangular fastening block 443d, wherein the upper end, the lower end, and one side of the nut pair 443c are connected to the inner wall of the U-shaped slider 443a through the connecting block 443b, the four equal parts of the outer wall of the connecting block 443b are also connected to the nut pair 443c through the triangular fastening block 443d, the nut pair 443c is embedded in the fixed box 444 and is threadedly connected to the screw rod 442, the U-shaped slider 443a is externally installed on the fixed box 444 and is connected to the angle adjustment mechanism 45, the connecting block 443b is in clearance fit with the long guiding opening 445, the triangular fastening block 443d is installed to further improve the connection between the nut pair 443c and the U-shaped slider 443a, and the U-shaped slider 443a is installed to drive the high-strength fork 46 to translate.

The angle adjusting mechanism 45 comprises a fixing block 451, a rotating shaft 452, a driven gear 453, a high-strength U-shaped block 454, a second micro motor 455 and a driving gear 456, the driving gear 456 is mounted on an output shaft of the second micro motor 455, the driving gear 456 is meshed with the driven gear 453, the driven gear 453 is in over-fit connection with the rotating shaft 452, the rotating shaft 452 penetrates through the fixing block 451 and is fixedly connected with the integrally formed high-strength U-shaped block 454, the structure of the angle adjusting mechanism is arranged in a manner that the high-strength pallet fork 46 has an angle adjusting function, the space position of the forklift can be limited, the forklift can conveniently rotate when the forklift carries goods in a narrow aisle through the rotation of the angle of the high-strength pallet fork 46, and the practicability of the forklift is guaranteed.

The high-strength U-shaped block 454 is connected to the high-strength pallet fork 46, the fixing block 451 is fixedly connected with the U-shaped sliding block 443a, a movable gap is formed between the outer side surface of the fixing block 451 and the inner side surface of the high-strength U-shaped block 454, and the second micro-motor 455 is mechanically connected with the top of the U-shaped sliding block 443 a.

The high-strength pallet fork 46 comprises a supporting plate 461, a pulley 462, a rotating frame 463, an upright stanchion 464 and a U-shaped fork 465, wherein the U-shaped fork 465 is vertically connected with the upright stanchion 464, the rotating frame 463 is movably connected to the upright stanchion 464, the pulley 462 is mounted on the rotating frame 463, the pulley 462 is in contact with the supporting plate 461, the U-shaped fork 465 is connected to the high-strength U-shaped block 454, and the pulley 462, the upright stanchion 464 and the rotating frame 463 are arranged to further improve the firmness of the U-shaped fork 465, and meanwhile, the angle adjustment of the U-shaped fork 465 is facilitated, and the adjustment is smoother.

Example 2

Referring to fig. 1 to 12, the present invention provides a technical solution of an automatic lift type forklift: the structure of the forklift comprises a rear driving wheel 1, a forklift body 2, a front driving wheel 3, a fork device 4, a lifting device 5, a high-strength steel frame 6, a hydraulic cylinder 7, a hood 8 and seats 9, wherein the driving wheel 3 is arranged on each of two sides of the front end of the forklift body 2, the rear driving wheel 1 is arranged on each of two sides of the rear end of the forklift body 2, the hood 8 is connected onto the forklift body 2, the seats 9 are arranged in the forklift body 2, the forklift body 2 is connected with the high-strength steel frame 6 through the hydraulic cylinder 7, the lifting device 5 is arranged on the high-strength steel frame 6, and the lifting device;

The angle adjusting mechanism 45 comprises a fixed block 451, a rotating shaft 452, a driven gear 453, a high-strength U-shaped block 454, a second micro-motor 455 and a driving gear 456, wherein the driving gear 456 is installed on an output shaft of the second micro-motor 455, the driving gear 456 is meshed with the driven gear 453, the driven gear 453 is in over-fit with the rotating shaft 452, the rotating shaft 452 penetrates through the fixed block 451 and is fixedly connected with the integrally formed high-strength U-shaped block 454, the high-strength U-shaped block 454 is connected with the high-strength pallet fork 46, the fixed block 451 is fixedly connected with a U-shaped sliding block 443a, a movable gap is formed between the outer side surface of the fixed block 451 and the inner side surface of the high-strength U-shaped block 454, the second micro-motor 455 is mechanically connected with the top of the U-shaped sliding block 443a, and the structure of the angle adjusting mechanism is arranged to enable the high-strength pallet fork 46 to, rotation through 46 angles of high strength fork can be in narrow and small passageway fork truck also can be convenient when carrying goods rotate, guarantees fork truck's practicality.

Still be provided with the spacing clamping device 465a of goods between two forks of U type fork 465, the spacing clamping device 465a of goods sets up and lies in pressing from both sides tightly the goods, helps improving the integrality of goods transport, plays the effect of protection to the goods.

The goods limiting and clamping device 465a comprises a fixed long barrel 465b, a limiting clamping plate 465c, an expansion rod 465d and a fixed clamping plate 465e, one end of the expansion rod 465d is vertically connected with the fixed clamping plate 465e, the other end of the expansion rod 465d is connected with the fixed long barrel 465b, the fixed long barrel 465b is provided with the liftable limiting clamping plate 465c, the fixed clamping plate 465e and the limiting clamping plate 465c are combined and arranged to be static by the fixed clamping plate 465e and move by the limiting clamping plate 465c, so that clamping of goods is realized, dropping of the goods in moving is avoided, the expansion rod 465d is arranged to enable the spacing clamping plate c to be adjustable with the interval of the fixed clamping plate 465e, the goods with different widths can be adapted, and the application range is wide.

The terminal surface of fixed rectangular section of thick bamboo 465b and the internal face of U type fork 465 have the clearance, decide splint 465e and U type fork 465 fixed connection, spacing splint 465c sets up for the mat face structure towards the one side of deciding splint 465e, can increase the coefficient of friction of spacing splint 465c and goods, improves the clamp force of spacing splint 465c to the goods, prevents that the goods from dropping.

The working principle of the invention is as follows: when the forklift is limited to advance, the high-strength fork 46 extends outwards in the direction of the goods to carry the goods through the extension of the hydraulic telescopic frame 41;

when the forklift is limited by the lateral space position, the first micro-motor 441 is driven to operate, so that the screw rod 442 rotates, the nut pair 443c drives the U-shaped sliding block 443a to translate through the connecting block 443b and the triangular fastening block 443d, the high-strength pallet fork 46 translates along with the nut pair 443c under the connecting action of the fixing block 451 and the high-strength U-shaped block 454, the high-strength pallet fork 46 is laterally displaced, and the forklift can be suitable for different narrow and small aisle forklifts to carry goods;

when the forklift is limited by a local space position, the driving gear 456 rotates by driving the second micro motor 455 to operate, so that the driven gear 453 meshed with the driving gear is driven to rotate, the driven gear 453 rotates to enable the high-strength U-shaped block 454 to be linked through the rotating shaft 452, and further the high-strength pallet fork 46 is driven to rotate by taking the rotating shaft 452 as an axis, the forklift can conveniently rotate when the forklift carries goods in a narrow passageway through the rotation of the high-strength pallet fork 46, and the practicability of the forklift is guaranteed;

after the U-shaped fork 465 receives the goods, after moving a distance, make fixed rectangular barrel 465b stretch out to the goods outermost through telescopic link 465d, stretch out to fixed rectangular barrel 465b through spacing splint 465c, use fixed splint 465e as quiet, use spacing splint 465c as moving to realize pressing from both sides tight to the goods, avoid dropping in the removal of goods, the setting of telescopic link 465d lies in making spacing splint 465c and fixed splint 465 e's interval adjustable, thereby can adapt to the goods of different width, and accommodation is wide.

In summary, the technical progress obtained by the invention compared with the prior art is as follows: the fork device provided by the invention adopts a novel structure, the high-strength fork has a telescopic function by arranging the hydraulic telescopic frame, the problem that a forklift is limited by advancing is solved, the high-strength fork has a translation function by arranging the translation adjusting mechanism and can be limited by the side position, the high-strength fork has an angular rotation function by arranging the angle adjusting mechanism, the problem that the forklift is limited by the local space position is solved, and the goods can be tightened by arranging the goods limiting and clamping device to prevent the goods from falling.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an automatic over-and-under type fork truck, its structure includes rear drive wheel (1), automobile body (2), front drive wheel (3), fork device (4), elevating gear (5), high strength steelframe (6), pneumatic cylinder (7), hood (8), seat (9), establish front drive wheel (3) before automobile body (2), rear drive wheel (1) goes up even hood (8), and built-in seat (9) have, automobile body (2) are connected with high strength steelframe (6) through pneumatic cylinder (7), high strength steelframe (6) are equipped with elevating gear (5) of taking fork device (4), its characterized in that:

fork device (4) link board (43), translation adjustment mechanism (44), angle adjustment mechanism (45), high strength fork (46) including hydraulic telescoping frame (41), fixed even board (42), activity, fixed even board (42) is connected with activity even board (43) through hydraulic telescoping frame (41), the activity links at the bottom of board (43) and connects translation adjustment mechanism (44), translation adjustment mechanism (44) link to each other with high strength fork (46) through angle adjustment mechanism (45), fixed even board (42) meet with elevating gear (5).

2. The automatic lift truck of claim 1, wherein: translation adjustment mechanism (44) is including micromotor (441) No. one, lead screw (442), slip subassembly (443), fixed box body (444), rectangular direction mouth (445) have been seted up to fixed box body (444), rectangular direction mouth (445) and slip subassembly (443) cooperation, slip subassembly (443) link to each other with lead screw (442), place fixed box body (444) in lead screw (442) and meet with micromotor (441) No. one, fixed box body (444) link firmly with fixed even board (42), slip subassembly (443) link in angle adjustment mechanism (45).

3. The automatic lift truck of claim 2, wherein: the sliding assembly (443) comprises a U-shaped sliding block (443a), a connecting block (443b), a nut pair (443c) and a triangular fastening block (443d), the nut pair (443c) is connected with the U-shaped sliding block (443a) through the connecting block (443b) and the triangular fastening block (443d), the nut pair (443c) is arranged in the fixed box body (444) and is in threaded connection with the screw rod (442), the U-shaped sliding block (443a) is connected with the angle adjusting mechanism (45), and the connecting block (443b) is matched with the long guide opening (445).

4. The automatic lift truck of claim 1, wherein: the angle adjusting mechanism (45) comprises a fixing block (451), a rotating shaft (452), a driven gear (453), a high-strength U-shaped block (454), a second micro motor (455) and a driving gear (456), the driving gear (456) matched with the driven gear (453) is installed on the second micro motor (455), the driven gear (453) is arranged on the rotating shaft (452), and the rotating shaft (452) penetrates through the fixing block (451) and is fixedly connected with the high-strength U-shaped block (454).

5. The automatic lift truck of claim 4, wherein: the high-strength U-shaped block (454) is connected to the high-strength pallet fork (46), the fixing block (451) is connected with the U-shaped sliding block (443a), the fixing block (451) is matched with the high-strength U-shaped block (454), and the second micro motor (455) is connected with the U-shaped sliding block (443 a).

6. The automatic lift truck of claim 1, wherein: the high-strength pallet fork (46) comprises a supporting plate (461), a pulley (462), a rotating frame (463), an upright rod (464) and a U-shaped fork (465), wherein the U-shaped fork (465) is vertically connected with the upright rod (464), the rotating frame (463) with the pulley (462) is connected onto the upright rod (464), the pulley (462) is in contact with the supporting plate (461), and the U-shaped fork (465) is connected to a high-strength U-shaped block (454).

7. The automatic lift truck of claim 6, wherein: the U-shaped fork (465) is also provided with a cargo limiting and clamping device (465 a).

8. The automatic lift truck of claim 7, wherein: the goods limiting and clamping device (465a) comprises a fixed long barrel (465b), a limiting clamping plate (465c), an expansion rod (465d) and a fixed clamping plate (465e), one end of the expansion rod (465d) is connected with the fixed clamping plate (465e), the other end of the expansion rod is connected with the fixed long barrel (465b), and the fixed long barrel (465b) is provided with the limiting clamping plate (465 c).

9. The automatic lift truck of claim 8, wherein: the fixed long barrel (465b) is matched with the U-shaped fork (465), the fixed clamping plate (465e) is fixedly connected with the U-shaped fork (465), and the inner side of the limiting clamping plate (465c) is provided with a rough surface.