CN212832614U

CN212832614U - Portable hand electric fork-lift

Info

Publication number: CN212832614U
Application number: CN202020561867.5U
Authority: CN
Inventors: 柳朝杰; 史建刚; 王静
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-19
Filing date: 2020-04-16
Publication date: 2021-03-30
Anticipated expiration: 2030-04-16
Also published as: CN111517246A

Abstract

The application discloses portable hand electric fork-lift. Comprises a first frame and a second frame arranged on the first frame; the scheme discloses a specific structure of a portable hand electric forklift, wherein a first frame is used as a bearing mechanism, a second frame moving relative to the first frame is additionally arranged, goods are placed on a front fork of the second frame, and when a driving assembly is started, one end, close to the first frame, of a lifting arm rotates around a first connecting rod, and one end, far away from the first connecting rod, of the lifting arm lifts the second frame, so that the goods to be transported on the second frame are lifted; in order to ensure the stability of the second frame in the lifting process, a balance pull rod is arranged between the first frame and the second frame and is respectively and rotatably connected with the front fork vertical beam and the second connecting rod, when the driving assembly is started, one end, close to the first frame, of the cargo boom rotates around the first connecting rod, and the balance pull rod rotates around the second connecting rod, so that the balance pull rod cannot hinder the lifting process of the cargo boom.

Description

Portable hand electric fork-lift

Technical Field

The present disclosure relates generally to the field of forklift equipment technology, and more particularly to a portable hand electric forklift.

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 necessary equipment for carrying out loading, unloading and transportation operations of tray goods in cabins, carriages and containers;

at present, for goods with large lifting capacity and large ports, airports and factory workshops, a vehicle-mounted forklift and a small-sized pushing forklift are needed to be matched for use under most conditions, the vehicle-mounted forklift is mostly used for carrying and lifting goods through a human-driven vehicle in the using process, the efficiency is high, but the cost of the vehicle-mounted forklift is high, the vehicle-mounted forklift is suitable for long-distance carrying, and the vehicle-mounted forklift is suitable for large-area sites; for small factories to carry goods, the vehicle-mounted forklift is high in cost, and even certain safety accidents can be caused due to the fact that the vehicle-mounted forklift is inconvenient to move under the condition that the field is small, and at the moment, the small pushing forklift can better meet the actual carrying requirements;

the small-size promotion fork truck that exists on the existing market mostly is manual hydraulic pressure type fork truck, its majority plays the effect of transporting the goods, manual hydraulic pressure type fork truck's defect lies in to the goods that need load and unload, it is limited that its height that rises, the majority still needs the manpower to carry out loading and unloading process, and to manual hydraulic pressure fork truck, its self weight is heavier, can't accomplish to carry on-the-car, consequently, we propose a portable hand electric fork truck, it is difficult to be used for solving the transport that current fork truck exists, inefficiency and the human cost is high problem.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defects or shortcomings in the prior art, it is desirable to provide a portable hand electric forklift which can be carried on a vehicle, can load and unload goods conveniently and quickly, saves manpower, has a simple structure, and is easy to implement.

In a first aspect, the present application provides a portable hand electric fork-lift truck, comprising: the vehicle comprises a first vehicle frame and a second vehicle frame arranged on the first vehicle frame;

the first frame includes: the frame and two parallel oblique beams; the frame is of a U-shaped structure and is provided with two front fork legs which are arranged in parallel; the end part of each front fork leg is provided with a first caster; two cross beams which are arranged in parallel are arranged on one side of the frame, which is far away from the front fork leg; a second caster is arranged at the end part of the beam; a first connecting rod and a second connecting rod which are arranged in parallel are arranged between the two oblique beams, and the second connecting rod is positioned at the end parts of the two oblique beams;

the second carriage includes: a cargo boom and a front fork vertical beam; the lifting arm is arranged on the first connecting rod and is connected with a driving assembly; the front fork vertical beam is arranged at the end part of the cargo boom; a front fork is arranged on the front fork vertical beam; a balance pull rod is arranged between the front fork vertical beam and the second connecting rod; the balance pull rod is respectively and rotatably connected with the front fork vertical beam and the second connecting rod; the crane boom is also provided with a strip hole; two symmetrically arranged pull scales are arranged at the edge of the long hole; and a connecting shaft is arranged between the two pull scales.

According to the technical scheme provided by the embodiment of the application, the driving assembly comprises: an oil cylinder and a storage battery; the oil cylinder is arranged on the frame and is positioned between the two cross beams; a piston rod of the oil cylinder is fixedly connected with a telescopic rod, and the end part of the telescopic rod penetrates through the strip hole and is fixedly connected to the connecting shaft; the storage battery can be arranged on the side wall of any one of the oblique beams, the surface of the frame or the side wall of the frame close to the cross beam; the outer wall of each oblique beam is provided with a handrail, the handrail is close to the end part of the oblique beam, and the two handrails are symmetrically arranged; a control switch is further arranged at the end part of any one of the oblique beams, and the control switch is arranged adjacent to the handrail; the storage battery is respectively connected with the oil cylinder and the control switch through leads.

According to the technical scheme provided by the embodiment of the application, the angle formed by the oblique beam and the front fork leg is greater than or equal to 90 degrees.

According to the technical scheme provided by the embodiment of the application, the second caster is a universal wheel.

According to the technical scheme provided by the embodiment of the application, the supporting rod is arranged between the oblique beam and the cross beam.

According to the technical scheme provided by the embodiment of the application, the two ends of the supporting rod are respectively detachably connected with the oblique beam and the cross beam.

According to the technical scheme provided by the embodiment of the application, the cargo boom is provided with the limit switch, and the limit switch is close to the first connecting rod.

In summary, the present technical solution specifically discloses a specific structure of a portable hand electric forklift. The application specifically utilizes first frame as this hand electric fork-lift's load-bearing mechanism, and add the second frame that can remove relatively first frame on the first frame, will treat that the goods of carrying arrange the front fork of second frame in, start as drive assembly and make the jib loading boom be close to the one end of first frame around the head rod rotation and the jib loading boom is kept away from the one end of head rod relatively and promote the second frame to the goods of treating the transport on the second frame promotes. In the technical scheme, in order to ensure the balance stability of the second frame in the lifting process, a balance pull rod is arranged between the first frame and the second frame, and the balance pull rod is respectively and rotatably connected with the front fork vertical beam and the second connecting rod; when the driving assembly is started, one end of the lifting arm close to the first frame rotates around the first connecting rod, and meanwhile, the balance pull rod rotates around the second connecting rod, so that the balance pull rod does not interfere with the lifting operation process of the lifting arm.

In the scheme, the boom is further provided with a strip hole, the two symmetrical pull scales are arranged at the edge of the strip hole, the end part of the telescopic rod penetrates through the strip hole and is fixedly connected to the connecting shaft between the two pull scales, the boom can be driven to lift by starting the oil cylinder, the pull scales can share part of gravity borne by the boom, and the problem that the boom bears excessive gravity and is broken is avoided.

For the support effect of further reinforcing sloping in this scheme, set up the bracing piece between sloping and crossbeam, the bracing piece can support the sloping when the goods weight of treating the transport is big, share weight for the sloping, when avoiding the front fork to rise the transport goods, the sloping atress is too big pressed absolutely, makes this fork truck receive the damage.

In the scheme, in order to further control the lifting height of the crane boom, a limit switch close to the first connecting rod is arranged on the crane boom, so that the crane boom can stop moving when moving to a set position, and the crane boom is protected.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a schematic structural diagram of a portable hand electric forklift.

Fig. 2 is a schematic structural diagram of a portable hand electric forklift in a lifting state.

Reference numbers in the figures: 1. a frame; 2. an oblique beam; 3. a cross beam; 4. a first connecting rod; 5. a second connecting rod; 6. a cargo boom; 7. a front fork vertical beam; 8. a front fork; 9. a balance pull rod; 10. an oil cylinder; 11. a telescopic rod; 12. weighing; 13. a connecting shaft; 14. a strip hole; 15. a first caster; 16. a second caster; 17. a storage battery; 18. a control switch; 19. a support bar; 20. a limit switch; 21. a handrail.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example one

Please refer to fig. 1 and fig. 2, which illustrate schematic structural diagrams of a first embodiment of a portable electric hand truck according to the present application, including: the vehicle comprises a first vehicle frame and a second vehicle frame arranged on the first vehicle frame;

the first frame includes: the frame comprises a frame 1 and two oblique beams 2 arranged in parallel; the frame 1 is of a U-shaped structure, and the frame 1 is provided with two front fork legs which are arranged in parallel; a first caster 15 is arranged at the end of each front fork leg; two cross beams 3 which are arranged in parallel are arranged on one side of the frame 1, which is far away from the front fork leg; a second caster 16 is arranged at the end part of the cross beam 3; a first connecting rod 4 and a second connecting rod 5 which are arranged in parallel are arranged between the two oblique beams 2, and the second connecting rod 5 is positioned at the end parts of the two oblique beams 2;

the second carriage includes: a cargo boom 6 and a front fork vertical beam 7; the cargo boom 6 is arranged on the first connecting rod 4, and the cargo boom 6 is connected with a driving assembly; the front fork vertical beam 7 is arranged at the end part of the crane arm 6; a front fork 8 is arranged on the front fork vertical beam 7; a balance pull rod 9 is arranged between the front fork vertical beam 7 and the second connecting rod 5; the balance pull rod 9 is respectively rotatably connected with the front fork vertical beam 7 and the second connecting rod 5; the cargo boom 6 is also provided with a strip hole 14; two symmetrically arranged pull scales 12 are arranged at the edge of the long hole 14; a connecting shaft 13 is arranged between the two pull scales 12.

In this embodiment, the frame 1 is a U-shaped structure, and serves as a bearing base of the forklift, and is used for mounting a second frame capable of moving relative to the first frame;

the two oblique beams 2 are arranged on the surface of the frame 1 in parallel and have a function of supporting cargos, and in addition, the angle formed by the oblique beams 2 and the front fork legs of the frame 1 is more than or equal to 90 degrees, so that the force borne by the cargo boom 6 can be dispersed, and the cargo boom 6 is prevented from being broken by pressing;

the first foot wheel 15 is arranged at the end part of the front fork leg, so that the forklift can move conveniently; the two cross beams 3 are arranged on one side of the frame 1 far away from the front fork legs in parallel, are used for installing second caster wheels 16, and also have the effects of supporting and facilitating movement;

the second caster wheels 16 are arranged at the end parts of the cross beams 3, the first caster wheels 15 and the second caster wheels 16 are matched for use, so that the effect of facilitating the movement of the forklift is achieved, and the second caster wheels 16 are universal wheels, so that the effect of facilitating the turning of the forklift during the movement is achieved;

the first connecting rod 4 and the second connecting rod 5 are arranged between the two oblique beams 2 and are arranged in parallel, the second connecting rod 5 is positioned at the end parts of the two oblique beams 2, the first connecting rod 4 is used for installing a crane boom 6, and the second connecting rod 5 is used for installing a balance pull rod 9;

the cargo boom 6 is arranged on the first connecting rod 4 and used for lifting the goods to be transported, and the cargo boom 6 can realize the lifting process of the goods to be transported by adopting a straight arm or a bent arm;

the front fork vertical beam 7 is arranged at the end part of the cargo boom 6 and is used for installing a front fork 8; the front fork 8 is arranged on the front fork vertical beam 7 and used for bearing the goods to be carried;

the balance pull rod 9 is arranged between the front fork upright beam 7 and the second connecting rod 5, is respectively and rotatably connected with the front fork upright beam 7 and the second connecting rod 5, is used for keeping the balance stability of the front fork upright beam 7, and can share gravity for the cargo boom 6, when the driving assembly is started, one end of the cargo boom 6 close to the first frame rotates around the first connecting rod 4, and simultaneously, the balance pull rod 9 rotates around the second connecting rod 5, so the balance pull rod 9 cannot obstruct the lifting operation process of the cargo boom 6, in addition, the connection mode of the balance pull rod 9 can also be that a connecting frame is arranged at the end parts of the two inclined beams 2, the two ends of the balance pull rod 9 are respectively and rotatably connected with the connecting frame and the front fork upright beam 7, and the connecting frame can also be used as a handrail and an installation control switch;

the long hole 14 is arranged on the lifting arm 6 and used for the telescopic rod 11 to pass through, and the cross section of the long hole 14 can be round or square;

the two pull scales 12 are symmetrically arranged at the edges of the strip hole 14, a connecting shaft 13 is arranged between the two pull scales 12 and used for fixing the telescopic rod 11, the lifting action of the cargo boom 6 controlled by the oil cylinder 10 is realized, meanwhile, the pull scales 12 also have the function of sharing the gravity of the cargo boom 6, and the problem that the cargo boom 6 is broken due to overlarge gravity is avoided, wherein the shape of the pull scales 12 is not limited, and optionally, a triangular shape, a square shape, a rectangular shape or a special-shaped shape and the like are adopted.

In any preferred embodiment, the drive assembly comprises: an oil cylinder 10 and a storage battery 17; the oil cylinder 10 is arranged on the frame 1, and the oil cylinder 10 is positioned between the two cross beams 3; a piston rod of the oil cylinder 10 is fixedly connected with a telescopic rod 11, and the end part of the telescopic rod 11 penetrates through the strip hole 14 and is fixedly connected to the connecting shaft 13; the storage battery 17 can be arranged on the side wall of any one of the oblique beams 2, the surface of the frame 1 or the side wall of the frame 1 close to the cross beam 3; the outer wall of each oblique beam 2 is provided with a handrail 21, the handrail 21 is close to the end part of the oblique beam 2, and the two handrails 21 are symmetrically arranged; a control switch 18 is further arranged at the end part of any one of the oblique beams 2, and the control switch 18 is arranged adjacent to the handrail 21; the storage battery 17 is respectively connected with the oil cylinder 10 and the control switch 18 through leads.

In this embodiment, a cylinder 10 is disposed on the frame 1, the cylinder 10 is located between the two cross beams 3, and a rod of the cylinder 10 is fixedly connected with a telescopic rod 11 to provide a driving force for lifting the boom 6, the type of the cylinder 10, for example, TKC MOB40 × 200-TC, when the cylinder 10 is actuated, such that one end of the boom 6 close to the first frame rotates around the first connecting rod 4 and one end of the boom 6 relatively far from the first connecting rod 4 lifts the second frame to lift the goods to be transported on the second frame; the storage battery 17 is arranged on the side wall of any one of the oblique beams 2, the surface of the frame 1 or the side wall of the frame 1 close to the cross beam 3 and used for providing electric energy for the oil cylinder 10, and the type of the storage battery is 48V 12ah for example; the handrails 21 are arranged on the outer wall of each oblique beam 2 and close to the end parts of the oblique beams 2, the two handrails 21 are symmetrically arranged, so that an operator can conveniently push the forklift, and here, the handrails 21 can also be arranged at the end parts of the oblique beams 2, so that the function of conveniently pushing and operating the forklift can be achieved; the control switch 18 is arranged at the end part of any one of the oblique beams 2 and is adjacent to the handrail 21, an operator can operate the control switch 18 to be turned on or turned off while holding the handrail, the storage battery 17 is respectively connected with the oil cylinder 10 and the control switch 18 through conducting wires, and the control switch 18 controls the opening and closing of the oil cylinder so as to control the working state of the forklift.

In any preferred embodiment, a support bar 19 is provided between the oblique beam 2 and the transverse beam 3.

In this embodiment, bracing piece 19 sets up sloping 2 with between the crossbeam 3, reinforcing sloping 2's supporting effect avoids sloping 2 to be pressed by the goods that weight is big and cuts apart, causes the damage to this device.

In any preferred embodiment, the two ends of the support rod 19 are detachably connected with the oblique beam 2 and the cross beam 3 respectively.

In the present embodiment, the connection manner of the two ends of the supporting rod 19 with the oblique beam 2 and the cross beam 3 respectively is not limited here, and optionally, the connection manner is a bolt connection: the two ends of the supporting rod 19 are respectively connected with the oblique beam 2 and the cross beam 3 through bolts, so that the supporting rod 19 is convenient to replace, and the supporting rod 19 is selected to be installed appropriately according to different weights of loaded goods so as to ensure the supporting effect.

In any preferred embodiment, the lift arm 6 is provided with a limit switch 20, and the limit switch 20 is arranged near the first connecting rod 4.

In the present embodiment, the limit switch 20 is disposed on the lift arm 6 and near the first connecting rod 4, and is used for limiting the lifting height of the lift arm 6, so that the lift arm 6 can stop moving when moving to a set position, so as to achieve the effect of protecting the lift arm 6, wherein the limit switch 20 is, for example, a STEIMEX LSA-012 limit switch.

The specific working process is as follows:

firstly, a storage battery 17 fully charged with electricity is arranged on an oblique beam 2, the whole forklift is moved to a specified position of a to-be-transported cargo, then an operator starts a control switch 18, the storage battery 17 supplies power to an oil cylinder 10, the output end of the driving oil cylinder 10 lifts a lifting arm 6, the lifting arm 6 drives a front fork upright beam 7 to move upwards, the front fork upright beam 7 is kept balanced in the lifting process under the action force of two ends of a balance pull rod 9, the front fork upright beam 7 is ensured to be kept balanced in the lifting process, because the front fork upright beam 7 is rigidly connected with a front fork 8, the lifting process of the front fork upright beam 7 is the lifting process of the front fork 8, the forklift is further forked and the cargo is transported, when the cargo is unloaded, the operator can push the forklift to the specified position by holding a handrail 21, the control switch 18 is started, the lifting arm 6 is lowered, the front fork force beam 7 and the front fork 8 are further lowered, and the cargo is unloaded, and finishing the whole loading and unloading process.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A portable hand-held electric forklift, comprising: the vehicle comprises a first vehicle frame and a second vehicle frame arranged on the first vehicle frame;

the first frame includes: the bicycle frame comprises a bicycle frame (1) and two oblique beams (2) which are arranged in parallel; the frame (1) is of a U-shaped structure, and the frame (1) is provided with two front fork legs which are arranged in parallel; the end part of each front fork leg is provided with a first caster (15); two cross beams (3) which are arranged in parallel are arranged on one side of the frame (1) far away from the front fork leg; a second caster (16) is arranged at the end part of the cross beam (3); a first connecting rod (4) and a second connecting rod (5) which are arranged in parallel are arranged between the two oblique beams (2), and the second connecting rod (5) is positioned at the end parts of the two oblique beams (2);

the second carriage includes: a cargo boom (6) and a front fork vertical beam (7); the cargo boom (6) is arranged on the first connecting rod (4), and the cargo boom (6) is connected with a driving assembly; the front fork vertical beam (7) is arranged at the end part of the cargo boom (6); a front fork (8) is arranged on the front fork vertical beam (7); a balance pull rod (9) is arranged between the front fork vertical beam (7) and the second connecting rod (5); the balance pull rod (9) is respectively and rotatably connected with the front fork vertical beam (7) and the second connecting rod (5); the crane boom (6) is also provided with a strip hole (14); two symmetrically arranged pull scales (12) are arranged at the edge of the long hole (14); a connecting shaft (13) is arranged between the two pull scales (12).

2. A portable hand-held electric fork-lift truck according to claim 1, characterised in that said drive assembly comprises: an oil cylinder (10) and a storage battery (17); the oil cylinder (10) is arranged on the frame (1), and the oil cylinder (10) is positioned between the two cross beams (3); a piston rod of the oil cylinder (10) is fixedly connected with a telescopic rod (11), and the end part of the telescopic rod (11) penetrates through the strip hole (14) and is fixedly connected to the connecting shaft (13); the storage battery (17) can be arranged on the side wall of any one of the oblique beams (2), the surface of the frame (1) or the side wall of the frame (1) close to the cross beam (3); the outer wall of each oblique beam (2) is provided with a handrail (21), the handrail (21) is close to the end part of the oblique beam (2), and the two handrails (21) are symmetrically arranged; a control switch (18) is further arranged at the end part of any one of the oblique beams (2), and the control switch (18) is arranged adjacent to the handrail (21); the storage battery (17) is respectively connected with the oil cylinder (10) and the control switch (18) through leads.

3. A portable hand electric fork-lift truck according to claim 1, characterized in that the angle formed by the oblique beam (2) and the front fork leg is greater than or equal to 90 degrees.

4. A portable hand-held electric fork-lift truck according to claim 1, characterised in that the second castor wheels (16) are universal wheels.

5. A portable hand-held electric fork-lift truck according to claim 1, characterised in that a support bar (19) is arranged between the oblique beam (2) and the transverse beam (3).

6. A portable hand-held electric fork-lift truck according to claim 5, characterised in that the support bar (19) is detachably connected at its two ends to the stringer (2) and the cross member (3), respectively.

7. A portable hand-held electric fork-lift truck according to claim 1, characterised in that the boom (6) is provided with a limit switch (20), and that the limit switch (20) is arranged close to the first connecting rod (4).