Foldable lifting type electric hand-push forklift

Abstract

The utility model relates to the technical field of forklifts, and discloses a foldable lifting type electric hand-push forklift which comprises a forklift frame, and an electric lifting mechanism and a pallet fork body mechanism are arranged in the forklift frame. An output structure of the electric lifting mechanism is in transmission connection with the pallet fork main body mechanism and can enable the pallet fork main body mechanism to do reciprocating lifting movement in the forklift frame, two pallet fork bodies are arranged outside one side of the pallet fork main body mechanism, and a rotary adjusting device is arranged between one end of each pallet fork body and the pallet fork main body mechanism. After the pallet fork main body mechanism, the rotatable adjusting folding device, the movable supporting mechanism and the plurality of spring fixers are comprehensively assembled with the forklift frame, the electric lifting mechanism and the two pallet fork bodies for use, the use requirement of lifting goods can be met; under the support of the rotary adjusting folding device and the self-adjustment of the movable supporting mechanism, the two pallet fork bodies and the two supporting legs which are used as the convex structures can be stored and adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fork truck technical field, concretely is a foldable lifting type electric hand -push fork truck. BACKGROUND

[0002] As an industrial handling vehicle, the fork truck usually refers to various wheeled handling vehicles for loading and unloading, stacking and short-distance transporting of piece pallet goods, and in the modern enterprise logistics system, the fork truck plays a very important role and is the main force in the material handling equipment, and has been widely used in stations, ports, airports, factories, warehouses and other industries.

[0003] At present, with the further development of the fork truck, in addition to the common large fork truck requiring manual driving in the prior art, a small hand -push fork truck capable of manual pushing operation and suitable for lifting, loading and unloading, stacking and short-distance transporting of light goods has been developed, which is very flexible to use and easy to operate for beginners, but the applicant found that the small hand -push fork truck in use occupies a large space in the process of self -transfer and transportation, is not easy to carry with the vehicle, and further improvement in practicality is still needed. INVENTION CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a foldable lifting type electric hand -push fork truck, which solves the problems in the background art.

[0005] The utility model provides the following technical scheme: a foldable lifting type electric hand -push fork truck, including fork truck frame, the inside of fork truck frame is provided with electric lifting mechanism, fork body mechanism respectively, and the output structure of electric lifting mechanism is connected with fork body mechanism transmission and can make fork body mechanism reciprocating lifting movement in fork truck frame,

[0006] The side of fork body mechanism is provided with two fork bodies, and the one end of two fork bodies is provided with rotatable adjusting folding device between the fork body mechanism, and two fork bodies can be folded and stored or expanded on the outer surface of fork body mechanism through the corresponding rotatable adjusting folding device of itself.

[0007] The side of fork truck frame is provided with a moving support mechanism, and the moving support mechanism and the bottom structure of fork truck frame are provided with rotatable adjusting folding device and the bottom structure of fork body mechanism between them, and the spring fixer for connecting and limiting is arranged.

[0008] The selected fork truck frame includes a main frame, a main portal frame, a brake universal wheel, a main portal frame connecting beam, a handle, a secondary portal frame, and a secondary portal frame connecting beam. The main portal frame is composed of two U-shaped steels and is fixed on the front and rear ends of one side of the main frame. The handle is provided in two and is fixed on the surface of one side of the two U-shaped steels. The front and rear ends of the main portal frame connecting beam are fixed on the surface of one side of the top of the two U-shaped steels. The secondary portal frame is a rectangular frame and is slidingly installed between the two U-shaped steels. The top of the secondary portal frame is fixedly covered with the secondary portal frame connecting beam. The brake universal wheel is provided in two and is installed on the bottom of the other side of the main frame.

[0009] The selected electric lifting mechanism includes a winch fixing frame, an electric winch, a first steel wire rope pulley, a third steel wire rope pulley, a second steel wire rope pulley, a support, a fixed ring, a battery compartment, a power switch, a lifting switch, an instrument, an electric winch, a steel wire rope, a steel wire rope buckle, a position limiter, a remote controller, and a signal receiver. The electric winch is installed on the winch fixing frame, and the winch fixing frame is fixed on the main frame. The first steel wire rope pulley is installed on the bottom surface of the main portal frame connecting beam through a support and a wheel pin. The third steel wire rope pulley is installed on the bottom surface of the secondary portal frame connecting beam through a support and a wheel pin. The second steel wire rope pulley is installed on the bottom surface of the auxiliary portal frame and forms a movable pulley structure.

[0010] One end of the steel wire rope is wound on the electric winch. The other end of the steel wire rope is sequentially wound through the first steel wire rope pulley, the second steel wire rope pulley, and the third steel wire rope pulley and is fixedly connected with the steel wire rope buckle. The fixed ring is sleeved with the steel wire rope buckle and is fixed on the upper part of the fork main support.

[0011] The battery compartment is provided with a battery, and the battery is specifically a rechargeable battery and is provided with a charging port on the surface thereof. The instrument and the signal receiver are respectively installed on the top of the main portal frame connecting beam and the winch fixing frame. The lifting switch is installed on the surface of any one handle. The position limiter is installed on the top surface of the main portal frame.

[0012] The selected fork main body mechanism includes a fork main frame. The top and the bottom of one side of the fork main frame are fixed with fourth connecting shafts. One end of each of the two fourth connecting shafts is sleeved with a supporting bearing. The outer side of each of the two supporting bearings is sleeved with a positioning groove wheel that can slide up and down in the secondary portal frame.

[0013] The support is fixedly connected with the fork main frame, the top and the bottom of the other side of the fork main frame are fixedly provided with second connecting shafts, and the front ends and the rear ends of the two second connecting shafts are clamped with fork movable columns, the top of the two fork movable columns is screw-locked with a fixed knob, and the fixed knob can press and limit the corresponding fork movable column under the cooperation and support of the corresponding second connecting shaft.

[0014] The selected rotatable adjustment folding assembly includes two folding support plates, the two folding support plates are respectively installed on one end of the two fork bodies, and two upper and lower third accommodation holes are formed in each of the two folding support plates.

[0015] The two third accommodation holes in the upper position state are aligned with the two second accommodation holes in the upper position state and form a rotating positioning hole space, and the two rotating support spaces are sleeved with a third connecting shaft.

[0016] The two fork bodies are respectively rotated around the central axis of the corresponding third connecting shaft as the rotating reference, and the two third accommodation holes in the lower position state are aligned with the two second accommodation holes in the lower position state and form two rotating positioning spaces.

[0017] The selected moving support mechanism includes a main gantry frame, two second folding angle plates and two supporting legs, the two second folding angle plates are provided with threaded holes, two upper and lower positioning holes and a first connecting shaft, and the edges of the top of the two second folding angle plates are provided in a rounded structure.

[0018] The two supporting legs are respectively connected with the two second folding angle plates, the two first folding angle plates are welded to one end of the supporting legs, the two supporting legs are respectively sleeved with a shaft tube, one end of the two shaft tubes is sleeved on the surface of the two ends of the first connecting shaft, the other end of the two supporting legs is provided with a nylon wheel shaft, and the middle part of the nylon wheel shaft is sleeved with a bearing nylon wheel.

[0019] The two first folding angle plates are provided with three first accommodation holes, the three first accommodation holes are aligned with the threaded holes and the two positioning holes, and at least one first accommodation hole is aligned with one positioning hole and forms a combined space capable of being clamped and limited by the corresponding spring holder during the turning adjustment of the first folding angle plate, and the second folding angle plate and the corresponding first folding angle plate are limited by the screw penetrating the first accommodation hole and the threaded hole.

[0020] The selected spring fixer comprises a shell, a positioning pin and a spring, the positioning pin is clamped in the inner part of the corresponding shell, and the two ends of the spring are fixedly connected to the inner wall of the shell and the surface of one end of the positioning pin respectively, and the end of the other end of the positioning pin extends to the outside of the shell and is fixed with a movable handle.

[0021] One end of the shell can be mounted on the outer surface of the folding support plate or the outer surface of the first folding angle plate, and the positioning pin is clamped and limited with the combined space or the rotary positioning space under the guidance of the shell and the elastic transmission of the movable handle.

[0022] Compared with the prior art, the utility model has the following beneficial effects:

[0023] 1、The utility model discloses a fork main body mechanism, rotatable adjusting folding device, mobile support mechanism and multiple spring fixers are used in combination with the forklift frame, electric lifting mechanism and two fork bodies, in addition to meeting the use demand of lifting goods, under the support of the rotatable adjusting device and the self -adjustment of the mobile support mechanism, the two fork bodies as the outer convex structure and the two supporting legs can be stored and adjusted, thereby reducing the floor area of the overall device, facilitating the transfer use of the overall device.

[0024] 2、The spring fixer is simple in overall structure, and only needs to be plugged in or pulled out to complete the work in the specific limiting or giving place, and has the use effect of automatic reset.

[0025] 3、The electric lifting mechanism is provided with a limiter for stroke limiting protection, and is used in combination with a battery and a charging port, so that continuous charging use can be realized, thereby further optimizing the use effect of the overall device. DETAILED DESCRIPTION

[0026] Figure 1 It is a front view schematic diagram of the utility model structure;

[0027] Figure 2 It is a local sectional view schematic diagram of the utility model structure;

[0028] Figure 3 It is a storage schematic diagram of the utility model structure;

[0029] Figure 4 It is a front view schematic diagram of the main frame of the utility model structure;

[0030] Figure 5 It is an enlarged schematic diagram of the supporting leg of the utility model structure;

[0031] Figure 6 It is a sectional view schematic diagram of the spring fixer of the utility model structure.

[0032] Figure 7 It is the limiting state schematic view of the spring fixer of the utility model structure;

[0033] Figure 8 It is the enlarged schematic view of the utility model structure fork body;

[0034] Figure 9 It is the enlarged schematic view of the utility model rotary adjusting device.

[0035] In the drawing: 1, main frame;2, brake universal wheel;3, main portal frame;4, main portal frame connecting beam;5, handle;6, auxiliary portal frame;7, auxiliary portal frame connecting beam;8, support leg;9, nylon wheel;10, nylon wheel shaft;11, first folding angle plate;12, shaft tube;13, round corner structure;14, first let - go hole;15, second folding angle plate;16, screw hole;17, positioning hole;18, first connecting shaft;19, fork main frame;20, second connecting shaft;21, fork movable stand column;22, second let - go hole;23, fixed knob;24, fork body;25, folding support plate;26, third connecting shaft;27, third let - go hole;28, spring fixer;281, shell;282, positioning pin;283, movable handle;284, spring;29, signal receiver;30, positioning groove wheel;31, support bearing;32, fourth connecting shaft;33, support;34, fixed ring;35, battery compartment;36, battery;37, charging port;38, power switch;39, first steel wire rope pulley;40, second steel wire rope pulley;41, third steel wire rope pulley;42, capstan fixed frame;43, electric capstan;44, steel wire rope;45, steel wire rope buckle;46, lifting switch;47, limiter;48, instrument;49, remote controller. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0037] Please refer to Figures 1-9 A foldable lifting type electric hand push forklift, which comprises a forklift frame, an electric lifting mechanism and a fork main body mechanism are arranged in the forklift frame respectively, and the output structure of the electric lifting mechanism is in transmission connection with the fork main body mechanism and can make the fork main body mechanism reciprocatingly move up and down in the forklift frame;

[0038] Two fork bodies 24 are arranged on one side of the fork body mechanism, one ends of the two fork bodies 24 are provided with rotatable adjusting and folding devices between the fork body mechanism, and the two fork bodies 24 can be folded and stored or expanded on the outer surface of the fork body mechanism through the corresponding rotatable adjusting and folding devices;

[0039] The mobile support mechanism is arranged on one side of the forklift frame, and spring fixers 28 for connection and limiting are arranged between the mobile support mechanism and the bottom structure of the forklift frame and between the rotatable adjusting and folding devices and the bottom structure of the fork body mechanism;

[0040] The spring fixer 28 comprises a shell 281, a positioning pin 282 and a spring 284 sleeved in the shell 281, the positioning pin 282 is clamped in the corresponding shell 281, the spring 284 is fixedly connected to the inner wall of the shell 281 and the surface of one end of the positioning pin 282, and the other end of the positioning pin 282 extends to the outside of the shell 281 and is fixedly connected with a movable handle 283;

[0041] One end of the shell 281 can be welded to the outer surface of the folding support plate 25 or the outer surface of the first folding angle plate 11, and the positioning pin 282 is clamped and limited in the combined space or the rotating positioning space under the guidance of the shell 281 and the elastic transmission of the movable handle 283;

[0042] The forklift frame comprises a main frame 1, a main gantry 3, brake universal wheels 2, a main gantry connecting beam 4, a handle 5, a vice gantry 6 and a vice gantry connecting beam 7, the main gantry 3 is composed of two C-shaped steels and is fixed on the front and rear ends of one side of the main frame 1, the handle 5 is arranged in two numbers and is fixed on the surfaces of the two C-shaped steels, the front and rear ends of the main gantry connecting beam 4 are fixed on the surfaces of the top of the two U-shaped steels, the vice gantry 6 is a rectangular frame and is slidingly installed between the two U-shaped steels, the top of the vice gantry 6 is fixedly covered with the vice gantry connecting beam 7, and the brake universal wheels 2 are arranged in two numbers and are installed on the bottom of the main frame 1 and the other side;

[0043] The electric lifting mechanism comprises a winch fixing frame 42, an electric winch 43, a first steel wire rope pulley 39, a third steel wire rope pulley 41, a second steel wire rope pulley 40, a support 33, a fixing ring 34, a battery compartment 35, a power switch 38, a lifting switch 46, an instrument 48, the electric winch 43, a steel wire rope 44, a steel wire rope buckle 45, a position limiter 47, a remote controller 49, and a signal receiver 29. The electric winch 43 is installed on the winch fixing frame 42, and the winch fixing frame 42 is fixed on the main frame 1. The first steel wire rope pulley 39 is installed on the bottom surface of the main gantry connecting beam 4 through a support and a wheel pin. The third steel wire rope pulley 41 is installed on the bottom surface of the auxiliary gantry connecting beam 7 through a support and a wheel pin. The second steel wire rope pulley 40 is installed on the bottom surface of the auxiliary gantry 6 through a support and a wheel pin, and forms a movable pulley structure.

[0044] One end of the steel wire rope 44 is wound on the electric winch 43. The other end of the steel wire rope 44 is sequentially wound through the first steel wire rope pulley 39, the second steel wire rope pulley 40, the third steel wire rope pulley 41, and is fixedly connected with the steel wire rope buckle 45. The fixing ring 34 is sleeved with the steel wire rope buckle 45 and is fixed on the top of the support 33.

[0045] The battery compartment 35 is provided with a battery 36. The battery 36 is specifically a rechargeable battery and is provided with a charging port 37 on the surface thereof. The instrument 48 and the signal receiver 29 are respectively installed on the top of the main gantry connecting beam 4 and the winch fixing frame 42. The lifting switch 46 is installed on the surface of any one handle 5. The position limiter 47 is installed on the top surface of the main gantry 3.

[0046] Specifically, in use:

[0047] In the lifting use of the whole forklift device to the auxiliary gantry 6 and the auxiliary gantry 6 related structure as follows:

[0048] The battery 36 in the battery compartment 35 supplies power to the electric winch 43. The lifting switch 46 on the handle 5 controls the forward and reverse rotation of the electric winch 43. The electric winch 43 rotates to hoist and drive the steel wire rope 44. Then the steel wire rope 44 drives the auxiliary gantry 6 and the auxiliary gantry 6 related structure to be lifted and adjusted in the main gantry 3 through the linkage support of the first steel wire rope pulley 39, the second steel wire rope pulley 40, the third steel wire rope pulley 41, and the steel wire rope buckle 45.

[0049] In the specific lifting process, the position limiter 47 limits the limit safe position of the auxiliary gantry 6 and the auxiliary gantry 6 related structure to avoid excessive movement and ensure the service life of the electric winch 43. The instrument 48 displays the power of the battery 36 in the battery compartment 35. When the power of the battery 36 is consumed, the battery 36 can be charged through the power switch 38 for subsequent use.

[0050] Please refer toFigure 1 、 Figures 8-9 The fork body mechanism includes a fork main frame 19, the top and bottom of one side of the fork main frame 19 are fixed with fourth connecting shafts 32, one end of the two fourth connecting shafts 32 is sleeved with support bearings 31, and the outer side of the two support bearings 31 is sleeved with positioning groove wheels 30 that can slide up and down in the auxiliary gantry 6, a support 33 is fixedly connected with the fork main frame 19, the top and bottom of the other side of the fork main frame 19 are fixed with second connecting shafts 20, and the front end and the rear end of the two second connecting shafts 20 are clamped with fork movable columns 21, the top of the two fork movable columns 21 is screw-locked with fixed knobs 23, and the fixed knobs 23 can press and limit the corresponding fork movable column 21 under the cooperation and support of the corresponding second connecting shaft 20.

[0051] Specific use:

[0052] The fork body mechanism moves synchronously under the transmission of the steel wire rope 44 through the steel wire rope buckle 45, and the plurality of positioning groove wheels 30 arranged in the fork body mechanism synchronously rotate and slide in the auxiliary gantry 6, thereby improving the movement stability of the fork main frame 19 in the fork body mechanism, and the synchronous lifting of the two fork bodies 24 and the nylon wheels 9 can also meet the lifting and carrying requirements of the target goods.

[0053] For adjusting the interval between the two fork bodies 24, the two fixed knobs 23 can be respectively screwed, so that the two fixed knobs 23 temporarily move away from the second connecting shaft 20, then the interval between the two column fork movable columns 21 is directly adjusted, and after completion, the two fixed knobs 23 are reset for work.

[0054] Please refer to Figure 9 The rotating adjusting assembly includes two folding support plates 25, the two folding support plates 25 are respectively installed on one end of the two fork bodies 24, and two holes third accommodating holes 27 are formed in the two folding support plates 25.

[0055] The two third accommodating holes 27 in the upper position state are aligned with the two second accommodating holes 22 in the upper position state and form a rotating positioning hole space in pairs, and a third connecting shaft 26 is sleeved in each of the two rotating support spaces.

[0056] The two fork bodies 24 respectively take the central axis of the corresponding third connecting shaft 26 as the rotating reference, and the two third accommodating holes 27 in the lower position state can be aligned with the two second accommodating holes 22 in the lower position state and form two rotating positioning spaces in pairs with the rotation of the fork bodies 24.

[0057] Specific use:

[0058] When the overall device needs to be transferred, the overall device can be adjusted for storage, thereby reducing its footprint, as follows:

[0059] Hold the two movable handles 283 in the corresponding spring fixers 28 and apply traction, thereby using the two movable handles 283 to drive the respective positioning pins 282 to separate from the two rotating positioning spaces, thereby temporarily releasing the limiting constraint of the two fork bodies 24, and after completion, turn over the two fork bodies 24 and change the two fork bodies 24 and the fork main frame 19 from the vertical use state to the horizontal storage state.

[0060] Please refer to Figure 1 , Figure 5 , Figures 8-9 The moving support mechanism includes a main gantry 3, two second folding angle plates 15 and two legs 8 installed at the front and rear ends of the bottom of the main gantry 3, two second folding angle plates 15, two upper and lower positioning holes 17, and a first connecting shaft 18 are provided in the two second folding angle plates 15, and the edges of the top of the two second folding angle plates 15 are provided with a rounded structure 13;

[0061] The first folding angle plates 11 are fixed to the end surfaces of the two legs 8 close to the main gantry 3, the two second folding angle plates 15 are connected with the two folding angle plates 11, the two first folding angle plates 11 are welded to one end of the legs 8, and the two legs 8 are sleeved with shaft tubes 12 at one end, and the other ends of the two legs 8 are provided with nylon wheel shafts 10, and the middle part of the nylon wheel shaft 10 is sleeved with a bearing nylon wheel 9.

[0062] Three first clearance holes 14 are provided in the two first folding angle plates 11, and the three first clearance holes 14 can be aligned with the threaded holes 16 and the two positioning holes 17, and at least one first clearance hole 14 can be aligned with one positioning hole 17 and form a combined space capable of being clamped and limited by the corresponding spring fixer 28 during the turning and adjusting process of the first folding angle plate 11 with the corresponding leg 8, and the second folding angle plate 15 and the corresponding first folding angle plate 11 can be limited by the screw penetrating a first clearance hole 14 and then being screwed into the threaded hole 16.

[0063] Specific use:

[0064] The nylon wheel shafts 10 installed on the two legs 8 cooperate with the plurality of brake universal wheels 2, thereby meeting the moving and using requirements of the overall device, and when the overall device is moved and transferred, the two legs 8 can be stored, as follows:

[0065] Screw the screw locked in the screw hole 16, then hold the movable handle 283 in the corresponding spring holder 28 and apply traction, then use the movable handle 283 to drive the corresponding positioning pin 282 to separate from the combined space, thereby temporarily releasing the limiting constraint of the first folding angle plate 11 and the second folding angle plate 15, and then turning over the support leg 8, so that the support leg 8 changes from the state of being perpendicular to the main gantry 3 to the state of being parallel to the main gantry 3, then reset the locking screw, and then the remaining one support leg 8 is also operated according to the above steps, thereby finally being able to meet the complete storage and transportation of the overall device.

[0066] It should be noted that in this paper, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment. Meanwhile, in the drawings of the utility model, the filling pattern is only for distinguishing layers, and does not have any other limitation.

[0067] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A foldable lift-type electric motorized hand truck comprising a truck frame, characterized in that: The inner part of the forklift frame is respectively provided with an electric lifting mechanism and a fork body mechanism, and the output structure of the electric lifting mechanism is in transmission connection with the fork body mechanism and can make the fork body mechanism reciprocatingly and vertically move in the forklift frame; The outer side of the fork body mechanism is provided with two fork bodies (24), and the one end of the two fork bodies (24) is provided with a rotating adjusting and folding device between the fork body mechanism, and the two fork bodies (24) can be folded and stored or expanded on the outer surface of the fork body mechanism through the corresponding rotating adjusting and folding device; The side of the forklift frame is provided with a moving support mechanism, and the moving support mechanism and the rotating adjusting device are both provided with a spring fixer (28) for connecting and limiting between the bottom structure of the forklift frame and the bottom structure of the fork body mechanism.

2. The foldable lift-type electric power hand-pushed fork truck according to claim 1, wherein: The forklift frame comprises a main frame (1), a main gantry (3), a brake universal wheel (2), a main gantry connecting beam (4), a handle (5), a vice gantry (6) and a vice gantry connecting beam (7). The main gantry (3) is composed of two U-shaped steels and is fixed on the front and rear ends of one side of the main frame (1). The handle (5) is provided in two and is fixed on the surface of one side of the two U-shaped steels. The front and rear ends of the main gantry connecting beam (4) are fixed on the surface of one side of the top of the two U-shaped steels. The vice gantry (6) is a rectangular frame and is slidingly installed between the two U-shaped steels. The top of the vice gantry (6) is fixedly covered with the vice gantry connecting beam (7). The brake universal wheel (2) is provided in two and is installed on the bottom front and rear ends of the other side of the main frame (1).

3. The foldable lift-type electric power hand-pushed fork truck according to claim 2, wherein: The electric lifting mechanism comprises a winch fixing frame (42), an electric winch (43), a first steel wire rope pulley (39), a third steel wire rope pulley (41), a second steel wire rope pulley (40), a support (33), a fixed ring (34), a battery compartment (35), a power switch (38), a lifting switch (46), an instrument (48), the electric winch (43), a steel wire rope (44), a steel wire rope buckle (45), a limiter (47), a remote controller (49), a signal receiver (29), the electric winch (43) is installed on the winch fixing frame (42), and the winch fixing frame (42) is fixed on the main frame (1). The first steel wire rope pulley (39) is installed on the bottom surface of the main gantry connecting beam (4) through a support and a wheel pin. The third steel wire rope pulley (41) is installed on the bottom surface of the vice gantry connecting beam (7) through a support and a wheel pin. The second steel wire rope pulley (40) is installed on the bottom surface of the auxiliary gantry vice gantry (6) through a support and a wheel pin and forms a movable pulley structure. One end of the steel wire rope (44) is wound on the electric winch (43). One end of the steel wire rope (44) is sequentially and successively wound through the first steel wire rope pulley (39), the second steel wire rope pulley (40) and the third steel wire rope pulley (41) and is fixedly connected with the steel wire rope buckle (45). The fixed ring (34) is sleeved with the steel wire rope buckle (45) and is fixed on the top of the support (33). The battery compartment (35) is provided with a battery (36), and the battery (36) is specifically a rechargeable battery and is provided with a charging port (37) on the surface thereof, the meter (48) and the signal receiver (29) are respectively installed on the top of the main gantry connecting beam (4) and the winch fixing frame (42), the lifting switch (46) is installed on the surface of any one handle (5), and the limiter (47) is installed on the top surface of the main gantry (3).

4. The foldable lift-type electric power hand-pushed fork truck according to claim 3, wherein: The fork body mechanism comprises a fork main frame (19), fourth connecting shafts (32) are fixed to the top and bottom of one side of the fork main frame (19), support bearings (31) are sleeved on one end of the two fourth connecting shafts (32), and positioning groove wheels (30) capable of sliding up and down in the auxiliary gantry (6) are sleeved on the outer sides of the two support bearings (31); The support (33) is fixedly connected with the fork main frame (19), second connecting shafts (20) are fixed to the top and bottom of the other side of the fork main frame (19), and fork movable upright columns (21) are clamped between the front ends and the rear ends of the two second connecting shafts (20), and fixed knobs (23) are screw-locked on the top of the two fork movable upright columns (21), and the fixed knobs (23) can press and limit the corresponding fork movable upright columns (21) under the cooperation and support of the corresponding second connecting shafts (20).

5. The foldable lift-type electric power hand-pushed fork truck according to claim 4, wherein: The rotatable adjusting and folding assembly comprises two folding support plates (25), the two folding support plates (25) are respectively installed on one end of the two fork bodies (24), and two upper and lower third accommodating holes (27) are formed in the two folding support plates (25); The two third accommodating holes (27) in the upper position state are aligned with the two second accommodating holes (22) in the upper position state and form two rotating positioning hole spaces in pairs, and a third connecting shaft (26) is sleeved in each of the two rotating support spaces; The two third accommodating holes (27) in the lower position state can be aligned with the two second accommodating holes (22) in the lower position state and form two rotating positioning spaces in pairs with the fork bodies (24) as rotating reference axes.

6. The foldable lift-type electric power hand-pushed fork truck according to claim 5, wherein: The moving support mechanism comprises a main gantry (3), two second folding angle plates (15) and two supporting legs (8) installed at the front and rear ends of the bottom of the main gantry (3), threaded holes (16), two upper and lower positioning holes (17) and first connecting shafts (18) are formed in the two second folding angle plates (15), and the edges of the top of the two second folding angle plates (15) are provided with rounded corner structures (13); Two said branch legs (8) near one end of the main gantry (3) end surface are fixed with first folding angle plates (11), two second folding angle plates (15) are respectively connected with two folding angle plates (11), two first folding angle plates (11) are welded on one end of the branch leg (8), and two said shaft pipes (12) are sleeved in one end of the two said branch legs (8), and one end of the two said shaft pipes (12) is sleeved on the surface of the two ends of the first connecting shaft (18), and the other end of the two said branch legs (8) is provided with a nylon wheel shaft (10), and the middle part of the nylon wheel shaft (10) is sleeved with a bearing nylon wheel (9); Three first position holes (14) are arranged in the two said first folding angle plates (11), and the three first position holes (14) can be aligned with the threaded holes (16) and the two positioning holes (17), and at least one first position hole (14) can be aligned with one positioning hole (17) and form a combined space capable of being clamped and limited with the corresponding spring fixing device (28) during the turning adjustment process of the corresponding branch leg (8), and the second folding angle plate (15) and the corresponding first folding angle plate (11) can be limited by the way that the screw penetrates a first position hole (14) and then is screw-locked with the threaded hole (16).

7. The foldable lift-type electric power hand-pushed fork truck according to claim 6, wherein: The spring fixing device (28) comprises a shell (281), a positioning pin (282) and a spring (284) sleeved in the shell (281), the positioning pin (282) is clamped in the corresponding shell (281), and the two ends of the spring (284) are fixedly connected to the inner wall of the shell (281) and the surface of one end of the positioning pin (282), respectively, and the other end of the positioning pin (282) extends to the outside of the shell (281) and is fixedly connected with a movable handle (283); One end of the shell (281) can be welded on the outer surface of the folding support plate (25) or the outer surface of the first folding angle plate (11), and the positioning pin (282) is clamped and limited in the combined space or the rotary positioning space under the guidance of the shell (281) and the elastic transmission of the movable handle (283).

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