CN212893740U - Fork frame quick replacement formula electric fork-lift - Google Patents

Abstract

The utility model provides an electronic fork truck of crotch quick replacement formula belongs to transport fork truck technical field for it is inconvenient to solve the fork truck crotch and change, and manual fork truck removes hard problem. The hydraulic lifting device comprises a frame, a power cylinder, a balance connecting rod, a cargo boom and a vertical frame assembly, wherein one end of the power cylinder, one end of the balance connecting rod and one end of the cargo boom are all hinged to the frame, the other end of the power cylinder penetrates through the middle part of the balance connecting rod and is hinged to the middle part of the cargo boom, the other ends of the balance connecting rod and the cargo boom are respectively and rotatably connected to the inside of a first rotating hole and a second rotating hole of two mounting plates, a plurality of fork frames are detachably arranged on the mounting shafts, two symmetrical quick ejection fixtures are fixed on the; the utility model discloses make things convenient for quick replacement centre gripping to fix the crotch of different grade type specifications, steadily load and unload and carry different goods; the movable walking assembly provides carrying power, is stable and flexible in moving and steering, is convenient to cross obstacles and ascend slopes, and saves physical power.

Description

Fork frame quick replacement formula electric fork-lift

Technical Field

The utility model belongs to the technical field of transport fork truck, a crotch quick replacement formula electric fork truck is related to.

Background

The forklift is an industrial carrying vehicle, and is various wheel type carrying vehicles for carrying out loading, unloading, stacking and short-distance transportation operation on finished pallet goods; industrial transportation vehicles are widely used in ports, stations, airports, cargo yards, factory workshops, warehouses, distribution centers, and the like, and are equipments essential for carrying and loading/unloading pallet goods in cabins, carriages, and containers.

To small-size mill transport goods, the cost of using on-vehicle type fork truck is higher to under the less condition in place, be not convenient for remove, perhaps cause certain incident even in addition, at this moment, the transport demand that small-size promotion fork truck can laminate reality more.

However, the fork frames of the common forklift are all integrally molded, namely one forklift only has one fork frame, but one fork frame cannot meet the loading and unloading of different goods, and the fork frames with corresponding length, width or shape are selected to meet the loading and unloading requirements when some goods are large and some goods are small and different goods are used, so that the application range and the application effect of the forklift are improved;

the existing miniature forklift is in a hand-held type, and is inconvenient to push when carrying heavy objects, especially when the miniature forklift crosses obstacles and goes up a slope, the miniature forklift needs to be pushed only by taking a large force, so that a differential hub motor is designed as power, the miniature forklift is more convenient to transport, and the physical power is saved.

Therefore, the fork frame quick-replacement type electric forklift is provided for solving the problems that a fork frame of an existing forklift is difficult to replace and carry, low in efficiency and high in labor cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided an crotch quick replacement formula electric fork truck, the technical problem that this fork truck will solve is: how to change fork truck's crotch fast conveniently, steady laborsaving removal fork truck simultaneously.

The purpose of the utility model can be realized by the following technical proposal:

an electric forklift with a quickly replaceable fork frame comprises a frame, a power cylinder, a balance connecting rod, a cargo boom and a vertical frame assembly, the utility model discloses a hydraulic power cylinder, the one end of balance connecting rod and jib loading boom all articulates on the frame, the other end of power cylinder passes the balance connecting rod middle part and articulates at the jib loading boom middle part, the grudging post subassembly includes two mounting panels and two installation axles, two installation axles are fixed between two mounting panels, two installation axles are vertical settings, the other end of balance connecting rod and jib loading boom rotates respectively to be connected inside first commentaries on classics hole and the second commentaries on classics hole of two mounting panels, installation epaxial detachably is provided with a plurality of crotch, install the epaxial quick ejecting anchor clamps that are fixed with two symmetries of axle, the frame lower extreme is provided with the removal running assembly, remove the running assembly including the antiskid ribbed tile of standing, be provided with the accuse.

The utility model discloses a theory of operation: the fork frame is provided with a plurality of specifications with different selected lengths, widths and shapes, the fork frames with all the specifications are required to be installed in a matching way with two installation shafts, a user can select the fork frame with the corresponding specification according to the types and the sizes of different goods, the fork frame is placed on the installation shafts and is quickly fixed by a quick ejection fixture, the fork frame is convenient to fixedly install and replace, the stretching out or withdrawing of a starting power cylinder is controlled through a button on a control button box, the original position of the fork frame is positioned between pulleys at the lower part of a frame, the power cylinder stretches out, a cargo boom is pushed up, the cargo boom drives a vertical frame assembly to move upwards, a balance connecting rod rotates along with the vertical frame assembly, the stable movement of the vertical frame assembly is ensured, so that the fork frame is driven to stably move, the goods are forked, the starting moving walking assembly is controlled through the button on the control button box, the goods with larger weight can be conveniently carried, the obstacle and the slope can be conveniently crossed, and the physical strength can be saved.

The frame includes chassis and two parallel arrangement's of fixing on the chassis sloping, the chassis is U type structure, the chassis is provided with two parallel arrangement's front fork leg, the tip of every front fork leg is provided with removes the wheel, all be provided with the bracing piece on the sloping, be provided with parallel arrangement's first pivot between two sloping, second pivot and handrail, and the handrail is located two sloping tip, power cylinder's one end is rotated and is set up on the chassis, the one end of balanced connecting rod articulates in first pivot, the one end of jib loading boom articulates in the second pivot, the control button box is located the handrail inboard.

The structure more than adopting adopts bolt fixed connection between each part, and the installation of facilitating production, the one end of balanced connecting rod and jib loading boom articulates respectively in first pivot and second pivot, but synchronous rotation drives two installation axles and is vertical position removal all the time.

The movable walking assembly comprises a bottom plate, the two sides of the bottom plate are provided with symmetrical wheel hub motor wheels, a storage battery and two motor drivers are fixed to the upper end of the bottom plate, the motor drivers are respectively electrically connected with the corresponding wheel hub motor wheels, the four corners of the upper end of the bottom plate are respectively fixed with a connecting rod, an upper cover plate is fixed on the connecting rod, the upper cover plate is fixedly connected below a frame, an industrial control case is fixed to the upper end of the upper cover plate, an electric quantity display lamp is further arranged on the upper cover plate, the electric quantity display lamp is electrically connected with the storage battery, the industrial control case is respectively connected with the storage battery, the motor drivers, a power cylinder and a control button box, and universal.

By adopting the structure, the control signal is sent to the industrial personal computer case by pressing the lifting button and the lifting button on the control button box, the industrial personal computer case controls the power oil cylinder to be pushed out or retracted, the corresponding control signal is sent to the industrial personal computer case by pressing the forward button, the backward button, the left turn button and the right turn button on the control button box, when the forward button is pressed, the industrial personal computer case controls the two motor drivers to drive the two in-wheel motor wheels to synchronously rotate in the forward direction, when the backward button is pressed, the industrial personal computer case controls the two motor drivers to drive the two in-wheel motor wheels to synchronously rotate in the reverse direction, when the left turn button or the right turn button is pressed, the industrial personal computer case controls the two motor drivers to drive the two in-wheel motor wheels to rotate in the differential speed for left turn or right turn, the universal wheel moves along with the universal wheel to play a stabilizing role.

The standing antiskid plate is fixed at the side end of the upper cover plate and is made of a stainless steel pattern plate.

By adopting the structure, the anti-skid device has an anti-skid effect and ensures that a user stably stands on the anti-skid plate.

Quick ejecting anchor clamps are located between two mounting panels, and quick ejecting anchor clamps's release end all is fixed with the limiting plate, and detachably is equipped with a plurality of rubber packing rings on the limiting plate, and limiting plate and rubber packing ring all slide to cup joint and install epaxial, and the mounting panel all stretches out at the both ends of installation axle, and the equal detachable in both ends of installation axle is provided with the stop collar pole.

By adopting the structure, the fork frame is sleeved or hung on the mounting shaft, the limiting sleeve rod is mounted, the fork frame is positioned between the quick ejection fixture and the limiting sleeve rod, a plurality of rubber gaskets are placed according to the type and the specification of the fork frame, the handle of the quick ejection fixture is pushed, the push-out end of the quick ejection fixture is pushed out, the push-out end drives the limiting plate to move, the rubber gaskets are driven to abut against the fork frame, and the fork frame is quickly clamped and fixed between the rubber gaskets and the limiting sleeve rod.

The inside of installation axle is equipped with the internal thread hole, and the stop collar bar internal diameter is the same with the diameter of installation axle, and inside the stop collar bar is fixed with interior screw rod, and inside the screw hole including the interior screw rod spiro union, the end fixing of stop collar bar has the rotation handle.

Structure more than adopting, rotatory rotation handle, with interior screw rod spiro union including inside the screw hole, spacing loop bar suit is fixed on the installation axle, according to the type and the specification of crotch, controls the degree of depth that the installation axle was emboliaed to the spacing loop bar, cooperates with quick ejecting anchor clamps and rubber packing ring, the crotch of the fixed different grade type specification of quick centre gripping.

Compared with the prior art, this crotch quick replacement formula electric fork-lift has following advantage:

the vertical frame assembly is matched with a quick ejection clamp, a rubber gasket and a limiting sleeve rod, so that the fork frames with different types and specifications can be conveniently and quickly clamped and fixed, the loading, unloading and carrying of different goods are met, and the application range is wide; the moving and walking assembly adopts the matching of a motor driver and a wheel hub motor wheel to provide carrying power, can synchronously or differentially rotate, is flexible in moving and steering, is convenient to carry goods with larger weight, is convenient to cross obstacles and ascend slopes, and saves physical power; the fork frame is driven to move stably through the matching of the frame, the power oil cylinder, the balance connecting rod, the crane boom and the vertical frame assembly, so that goods can be forked, and the operation is stable.

Drawings

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

fig. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic perspective view of the mobile walking assembly of the present invention;

fig. 4 is a schematic perspective view of the middle frame assembly of the present invention;

FIG. 5 is an enlarged schematic view of the structure at A in FIG. 4;

fig. 6 is a control block diagram of the present invention;

in the figure: 1-vehicle frame, 1 a-underframe, 1 b-moving wheel, 1 c-oblique beam, 1 d-supporting rod, 1 e-first rotating shaft, 1 f-second rotating shaft, 1 g-handrail, 2-power cylinder, 3-moving walking component, 3 a-bottom plate, 3 b-wheel hub motor wheel, 3 c-universal wheel, 3 d-connecting rod, 3 e-storage battery, 3 f-upper cover plate, 3 g-industrial control cabinet, 3 h-motor driver, 3 i-standing antiskid plate, 3 j-electric quantity display lamp, 4-balance connecting rod, 5-cargo boom, 6-vertical frame component, 6 a-mounting plate, 6 b-mounting shaft, 6 c-quick ejection fixture, 6 d-limiting plate, 6 e-rubber washer, 1 d-supporting rod, 1 e-first rotating shaft, 1 f-second rotating shaft, 1 g-handrail, 2-power cylinder, 3 g-moving walking component, 3a, 6 f-a limit sleeve rod, 6 g-an internal screw rod, 6 h-an internal thread hole, 7-a fork frame and 8-a control button box.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-6, the embodiment provides a fork carriage quick-change electric forklift, which comprises a frame 1, a power cylinder 2, a balance connecting rod 4, a cargo boom 5 and a vertical frame assembly 6, wherein one end of the power cylinder 2, the balance connecting rod 4 and the cargo boom 5 are hinged on the frame 1, the other end of the power cylinder 2 passes through the middle of the balance connecting rod 4 and is hinged at the middle of the cargo boom 5, the vertical frame assembly 6 comprises two mounting plates 6a and two mounting shafts 6b, the two mounting shafts 6b are fixed between the two mounting plates 6a, in the embodiment, the two mounting shafts 6b are welded, the two mounting shafts 6b are vertically arranged, the other ends of the balance connecting rod 4 and the cargo boom 5 are respectively and rotatably connected inside a first rotating hole and a second rotating hole of the two mounting plates 6a, a plurality of fork carriages 7 are detachably arranged on the mounting shafts 6b, two symmetrical quick-, in the embodiment, the fixing mode adopts a set screw for fixed connection, the lower end of the frame 1 is provided with the movable walking component 3, the movable walking component 3 comprises a standing antiskid plate 3i, symmetrical control devices 8 are arranged on the frame 1, and the control button box 8 is electrically connected with the power cylinder 2 and the movable walking component 3 respectively;

the fork frame 7 is provided with a plurality of specifications with different selected lengths, widths and shapes, the fork frames 7 with all specifications are required to be matched with two installation shafts 6b for installation, a user can select the fork frames 7 with corresponding specifications according to the types and sizes of different goods, the fork frames 7 are placed on the installation shafts 6b and are quickly fixed by a quick ejection clamp 6c, the fork frames 7 are conveniently and fixedly installed and replaced, the power oil cylinder 2 is controlled to extend or retract by pressing a button on one control button box 8, the original position of the fork frames 7 is positioned at the bottom of the frame 1, the power oil cylinder 2 extends, the lifting arm 5 is pushed up, the lifting arm 5 drives the vertical frame assembly 6 to move upwards, the balance connecting rod 4 rotates along with the vertical frame assembly 6, the vertical frame assembly 6 is ensured to stably move, the fork frames 7 are driven to stably move and used for forking the goods, and the button on the other control, the control starts and removes running gear 3, removes running gear 3 and drives this device and remove, and the user can stand on the antiskid ribbed tile 3i of standing, conveniently carries the great goods of weight, conveniently hinders and goes up a slope more, saves physical power.

The frame 1 comprises an underframe 1a and two parallel oblique beams 1c fixed on the underframe 1a, the underframe 1a is of a U-shaped structure, the underframe 1a is provided with two parallel front fork legs, the end part of each front fork leg is provided with a moving wheel 1b, the oblique beams 1c are respectively provided with a support rod 1d, a first rotating shaft 1e, a second rotating shaft 1f and a handrail 1g which are arranged in parallel are arranged between the two oblique beams 1c, the handrail 1g is positioned at the end part of the two oblique beams 1c, one end of a power oil cylinder 2 is rotatably arranged on the underframe 1a, one end of a balance connecting rod 4 is hinged on the first rotating shaft 1e, one end of a cargo boom 5 is hinged on the second rotating shaft 1f, and a control button box 8 is positioned at the inner side of the handrail 1 g; the components are fixedly connected through bolts, production and installation are facilitated, one ends of the balance connecting rod 4 and one end of the crane boom 5 are respectively hinged to the first rotating shaft 1e and the second rotating shaft 1f and can synchronously rotate, and the two installation shafts 6b are driven to move in the vertical position all the time.

The movable walking assembly 3 comprises a bottom plate 3a, two sides of the bottom plate 3a are provided with symmetrical wheel hub motor wheels 3b, the upper end of the bottom plate 3a is fixed with a storage battery 3e and two motor drivers 3h, in the embodiment, the fixing mode adopts bolt connection, the motor drivers 3h are respectively and electrically connected with the corresponding wheel hub motor wheels 3b, four corners of the upper end of the bottom plate 3a are respectively fixed with connecting rods 3d, in the embodiment, the fixing mode adopts bolt connection, an upper cover plate 3f is fixed on the connecting rods 3d, in the embodiment, the fixing mode adopts bolt connection, the upper cover plate 3f is fixedly connected below the frame 1, in the embodiment, the fixing mode adopts bolt connection, the upper end of the upper cover plate 3f is fixed with an industrial control cabinet 3g, in the embodiment, the fixing mode adopts bolt connection, and an electric quantity display lamp 3j is also arranged on the upper cover plate 3f, the electric quantity display lamp 3j is electrically connected with the storage battery 3e, the industrial control cabinet 3g is respectively electrically connected with the storage battery 3e, the motor driver 3h, the power cylinder 2 and the control button box 8, and four corners of the lower end of the bottom plate 3a are respectively fixed with universal wheels 3 c;

the control signal is sent to an industrial control cabinet 3g by pressing a lifting button and a lifting button on one control button box 8, the industrial control cabinet 3g controls a power oil cylinder 2 to be pushed out or retracted, corresponding control signals are sent to the industrial control cabinet 3g by pressing a forward button, a backward button, a left-turning button and a right-turning button on the other control button box 8, when the forward button is pressed, the industrial control cabinet 3g controls two motor drivers 3h to drive two hub motor wheels 3b to synchronously rotate in the forward direction, when the backward button is pressed, the industrial control cabinet 3g controls two motor drivers 3h to drive two hub motor wheels 3b to synchronously rotate in the reverse direction, when the left-turning button or the right-turning button is pressed, the industrial control cabinet 3g controls two motor drivers 3h to drive two hub motor wheels 3b to rotate in a differential speed for left-turning or right-turning, a universal wheel 3c moves along with the universal wheel, and a stabilizing effect is achieved, the electric quantity display lamp 3j displays the electric quantity of the storage battery 3e to remind charging.

The standing antiskid plate 3i is fixed at the side end of the upper cover plate 3f, and the standing antiskid plate 3i is made of a stainless steel pattern plate; has the antiskid function, and ensures that a user stably stands on the standing antiskid plate 3 i.

The quick ejection fixture 6c is located between the two mounting plates 6a, the ejection end of the quick ejection fixture 6c is fixed with a limiting plate 6d, in the embodiment, the fixing mode adopts bolt connection, the limiting plate 6d is detachably provided with a plurality of rubber gaskets 6e, the limiting plate 6d and the rubber gaskets 6e are both slidably sleeved on the mounting shaft 6b, two ends of the mounting shaft 6b extend out of the mounting plates 6a, and two ends of the mounting shaft 6b are both detachably provided with limiting sleeve rods 6 f; in this embodiment, the fast ejecting clamp 6c is a push-pull fast clamp, which is a prior art, and can be directly purchased and used in the market, the fork 7 is sleeved or hung on the installation shaft 6b, the limit loop bar 6f is installed, the fork 7 is located between the fast ejecting clamp 6c and the limit loop bar 6f, according to the type and specification of the fork 7, a plurality of rubber gaskets 6e are placed, the handle of the fast ejecting clamp 6c is pushed, the pushing end of the fast ejecting clamp 6c is pushed out, the pushing end drives the limit plate 6d to move, the rubber gaskets 6e are driven to abut against the fork 7, and the fork 7 is fast clamped and fixed between the rubber gaskets 6e and the limit loop bar 6 f.

An internal thread hole 6h is formed in the mounting shaft 6b, the inner diameter of the limit sleeve rod 6f is the same as the diameter of the mounting shaft 6b, an internal screw 6g is fixed in the limit sleeve rod 6f, in the embodiment, the fixing mode adopts bolt connection, the internal screw 6g is screwed in the internal thread hole 6h, a rotating handle is fixed at the end part of the limit sleeve rod 6f, and in the embodiment, the fixing mode adopts welding; the handle is rotated to connect the inner screw rod 6g inside the inner threaded hole 6h in a threaded manner, the limiting sleeve rod 6f is sleeved and fixed on the mounting shaft 6b, the depth of the limiting sleeve rod 6f sleeved on the mounting shaft 6b is controlled according to the type and the specification of the fork frame 7, and the limiting sleeve rod is matched with the quick ejection clamp 6c and the rubber gasket 6e to quickly clamp and fix the fork frames 7 with different specifications.

In this embodiment, all the electrical components are in the prior art and can be purchased and used directly.

The utility model discloses a theory of operation:

a user can select the fork frame 7 with the length, the width and the shape suitable for corresponding according to the types and the sizes of different goods, the fork frame 7 is sleeved or hung on the two installation shafts 6b, a plurality of rubber gaskets 6e are placed according to the types and the specifications of the fork frame 7, the handle is rotated and rotated, the inner screw 6g is screwed in the inner threaded hole 6h, the limiting sleeve rod 6f is sleeved and fixed on the installation shafts 6b, the depth of the limiting sleeve rod 6f sleeved in the installation shafts 6b is controlled according to the types and the specifications of the fork frame 7, the push-out end of the quick push-out clamp 6c is pushed out, the push-out end drives the limiting plate 6d to move, the rubber gaskets 6e are driven to abut against the fork frame 7, the fork frame 7 is quickly clamped and fixed between the rubber gaskets 6e and the limiting sleeve rod 6;

when carrying goods, a user stably stands on the standing antiskid plate 3i, corresponding control signals are sent to the industrial control case 3g by pressing the forward, backward, left-turn and right-turn buttons on the control button box 8 through the other button, when the forward button is pressed, the industrial control case 3g controls the two motor drivers 3h to drive the two hub motor wheels 3b to synchronously rotate in the forward direction, when the backward button is pressed, the industrial control case 3g controls the two motor drivers 3h to drive the two hub motor wheels 3b to synchronously rotate in the reverse direction, when the left-turn or right-turn button is pressed, the industrial control case 3g controls the two motor drivers 3h to drive the two hub motor wheels 3b to rotate in a differential speed for left-turn or right-turn, the universal wheels 3c move along with the rotation, the goods with larger weight are conveniently carried, the obstacle crossing and the uphill climbing are convenient, and the physical strength is saved;

the original position of the fork frame 7 is located between two front fork legs which are arranged in parallel, a control signal is sent to the industrial control case 3g by pressing a lifting button and a lifting button on one control button box 8, the industrial control case 3g controls the power oil cylinder 2 to be pushed out or retracted, the power oil cylinder 2 extends out, the cargo boom 5 is pushed up, the cargo boom 5 drives the vertical frame assembly 6 to move upwards, the balance connecting rod 4 rotates along with the vertical frame assembly 6, the vertical frame assembly 6 is guaranteed to move stably, and therefore the fork frame 7 is driven to move stably and is used for forking cargoes.

In conclusion, the vertical frame assembly 6 is matched with the quick ejection clamp 6c, the rubber gasket 6e and the limiting sleeve rod 6f, so that the fork frames 7 of different types and specifications can be conveniently and quickly clamped and fixed, the loading, unloading and carrying of different goods are met, and the application range is wide; the moving and walking component 3 adopts a motor driver 3h to be matched with a hub motor wheel 3b, provides carrying power, can synchronously or differentially rotate, is flexible to move and turn, is convenient to carry goods with larger weight, is convenient to cross obstacles and ascend slopes, and saves physical power; the fork frame 7 is driven to move stably through the matching of the frame 1, the power oil cylinder 2, the balance connecting rod 4, the crane boom 5 and the vertical frame assembly 6, and is used for forking goods, so that the operation is stable.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (6)

1. An electric forklift with a quickly replaceable fork frame comprises a frame (1), a power oil cylinder (2), a balance connecting rod (4), a cargo boom (5) and a vertical frame assembly (6), and is characterized in that one ends of the power oil cylinder (2), the balance connecting rod (4) and the cargo boom (5) are hinged on the frame (1), the other end of the power oil cylinder (2) penetrates through the middle part of the balance connecting rod (4) and is hinged in the middle part of the cargo boom (5), the vertical frame assembly (6) comprises two mounting plates (6a) and two mounting shafts (6b), the two mounting shafts (6b) are fixed between the two mounting plates (6a), the two mounting shafts (6b) are vertically arranged, the other ends of the balance connecting rod (4) and the cargo boom (5) are respectively and rotatably connected inside a first rotary hole and a second rotary hole of the two mounting plates (6a), a plurality of fork frames (7) are detachably arranged on the mounting, two symmetrical quick ejection fixtures (6c) are fixed on the mounting shaft (6b), a movable walking assembly (3) is arranged at the lower end of the frame (1), the movable walking assembly (3) comprises a standing antiskid plate (3i), symmetrical control button boxes (8) are arranged on the frame (1), and the control button boxes (8) are respectively electrically connected with the power cylinder (2) and the movable walking assembly (3).

2. The fork quick change electric fork lift truck of claim 1, characterized in that the frame (1) comprises an underframe (1a) and two parallel placed oblique beams (1c) fixed to the underframe (1a), the underframe (1a) being of a U-shaped configuration, the underframe (1a) being provided with two parallel placed front fork legs; the end part of each front fork leg is provided with a moving wheel (1b), a support rod (1d) is arranged on each oblique beam (1c), a first rotating shaft (1e), a second rotating shaft (1f) and a handrail (1g) which are arranged in parallel are arranged between the two oblique beams (1c), the handrail (1g) is located at the end part of each oblique beam (1c), one end of a power oil cylinder (2) is rotatably arranged on an underframe (1a), one end of a balance connecting rod (4) is hinged on the first rotating shaft (1e), one end of a crane boom (5) is hinged on the second rotating shaft (1f), and a control button box (8) is located on the inner side of the handrail (1 g).

3. The fork quick-change electric forklift as claimed in claim 2, wherein the moving and traveling assembly (3) comprises a bottom plate (3a), the two sides of the bottom plate (3a) are provided with symmetrical hub motor wheels (3b), the upper end of the bottom plate (3a) is fixed with a storage battery (3e) and two motor drivers (3h), the motor drivers (3h) are respectively and electrically connected with the corresponding hub motor wheels (3b), the four corners of the upper end of the bottom plate (3a) are respectively fixed with connecting rods (3d), the connecting rods (3d) are fixed with an upper cover plate (3f), the upper cover plate (3f) is fixedly connected below the oblique beams (1c), the upper end of the upper cover plate (3f) is fixed with an industrial control cabinet (3g), the upper cover plate (3f) is also provided with a power display lamp (3j), and the power display lamp (3j) is electrically connected with the storage battery (3e), the industrial control cabinet (3g) is respectively and electrically connected with the storage battery (3e), the motor driver (3h), the power cylinder (2) and the control button box (8), and universal wheels (3c) are fixed at four corners of the lower end of the bottom plate (3 a).

4. The fork quick change electric fork lift truck of claim 3, characterized in that the standing cleats (3i) are fixed to the side ends of the upper cover plate (3f), the standing cleats (3i) being made of stainless steel pattern plate.

5. The fork quick replacement type electric forklift as claimed in claim 1 or 3, wherein the quick ejection fixture (6c) is located between two mounting plates (6a), a limiting plate (6d) is fixed at the ejection end of the quick ejection fixture (6c), a plurality of rubber washers (6e) are detachably arranged on the limiting plate (6d), the limiting plate (6d) and the rubber washers (6e) are slidably sleeved on the mounting shaft (6b), both ends of the mounting shaft (6b) extend out of the mounting plates (6a), and both ends of the mounting shaft (6b) are detachably provided with limiting sleeve rods (6 f).

6. The fork quick-change electric forklift as claimed in claim 5, wherein the mounting shaft (6b) is internally provided with an internally threaded hole (6h), the inner diameter of the stop collar (6f) is the same as the diameter of the mounting shaft (6b), an internal screw (6g) is fixed inside the stop collar (6f), the internal screw (6g) is screwed inside the internal threaded hole (6h), and a rotating handle is fixed at the end of the stop collar (6 f).

Images