CN210237011U

CN210237011U - Power supply device of lithium battery pack for forklift

Info

Publication number: CN210237011U
Application number: CN201920967604.1U
Authority: CN
Inventors: Husheng Chu; 褚护生; Yan Mou; 牟艳; Yongfu Dong; 董永富; Tao Tao; 陶陶; Li Cheng; 程力
Original assignee: Anhui Heli Co Ltd
Current assignee: Anhui Heli Co Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-04-03
Anticipated expiration: 2029-06-26

Abstract

The utility model discloses a lithium battery pack power supply device for a forklift, which comprises a forklift body provided with a cavity and a power supply device for providing power for the whole forklift, wherein the power supply device comprises a power receiving device, a lithium battery arranged in the cavity of the forklift body and a base stand column with one end fixed at the central position of the bottom of the cavity of the forklift body; the power supply device also comprises an electric control bottom plate, the base upright column extends towards the direction far away from the bottom of the vehicle body and sequentially passes through the fixed end of the power receiving device and the center of the electric control bottom plate, and a cavity for placing the lithium battery is formed between the electric control bottom plate and the bottom of the vehicle body; the power of the whole forklift is provided by the lithium batteries and the motors, the structure is simple, and the economical efficiency is good.

Description

Power supply device of lithium battery pack for forklift

Technical Field

The utility model relates to an electric fork-lift truck technical field especially relates to a lithium cell group power supply unit for fork truck.

Background

The forklift is important equipment in the transportation industry, is a self-propelled loading and unloading and carrying machine with a trolley, a portal frame and a pallet fork as working devices, is generally used for loading and unloading cargoes, has the advantages of small volume, compact structure, light weight, convenient and flexible operation, low noise, small pollution, low labor intensity of operators and the like, and can operate in a space with a complicated working environment; with the development of modern construction, the forklift has good maneuverability, can be operated conveniently and has strong applicability, and the forklift is more and more popular in use. However, after a long time of use, the existing forklift is found to have a defect: the traditional internal combustion hydraulic machine and the like are commonly used as power sources of the forklift, the cost is high, and the environmental pollution is caused, so that the electric forklift can be transported at will.

The electric forklift is electrically driven, and the storage battery pack or the lithium battery provides direct current to drive each action motor. With the development of economy and the improvement of environmental protection and energy conservation requirements, the electric forklift develops rapidly, and particularly in ports, storage, tobacco, food, light textile and other industries, the electric forklift gradually replaces an internal combustion hydraulic forklift and becomes a main force for carrying goods in a fixed range.

However, most of the existing electric forklift transmission systems directly use electric drive to replace internal combustion hydraulic drive as a power source so as to improve the cost and the environmental impact of the forklift, but because the compatibility of the two power sources on the forklift structure is different, the defects of unstable power output, low mechanical efficiency and poor economical efficiency of the forklift directly using electric drive on the forklift are caused.

SUMMERY OF THE UTILITY MODEL

Based on the technical problem that the background art exists, the utility model provides a lithium cell group power supply unit for fork truck, whole fork truck's power is provided by lithium cell and each group's motor, simple structure, and economic nature is good.

The utility model provides a lithium battery pack power supply device for a forklift, which comprises a forklift body provided with a cavity and a power supply device for providing power for the whole forklift, wherein the power supply device comprises a power receiving device, a lithium battery placed in the cavity of the forklift body and a base stand column with one end fixed at the bottom of the cavity of the forklift body; the base stand extends the stiff end that receives the electric installation to keeping away from the bottom half orientation, and the terminal end of receiving the electric installation and the outer cable junction of automobile body, the electric installation is connected with the output of lithium cell in the stiff end department, and the stiff end and the terminal end of receiving the electric installation are corresponding.

Further, power supply unit still includes automatically controlled bottom plate, and the base stand extends to keeping away from the bottom of the car body direction and passes the stiff end of power device and the center of automatically controlled bottom plate in proper order, forms the cavity that is used for placing the lithium cell between automatically controlled bottom plate and the bottom of the car body.

Furthermore, the base upright post is hollow axially, a slideway group is arranged around the outer side of the base upright post in the axial direction, and the power receiving device is connected with the base upright post through the slideway group;

furthermore, the base column is provided with a wire number outlet on the side surface close to the lower part of the slide way group, a cable in the cavity of the base column is connected with the fixed end of the power receiving device through the wire number outlet, and one end of the cable is connected with the output end of the lithium battery.

Furthermore, the slide group comprises at least one slide and a wiring hole arranged on the lower surface of the slide group with the largest diameter, the wiring hole is communicated with the slides in a one-to-one correspondence mode, and cables in the cavity of the base stand column are connected into the wiring hole through a wire harness outlet.

Further, the slideway group comprises at least two slideways and a lane dividing groove for dividing the slideways;

furthermore, a protective cover used for sealing the cavity of the vehicle body is arranged at the upper part of the vehicle body, and a signal receiving and transmitting device is installed at the top end of the protective cover.

Furthermore, the lithium battery is arranged in parallel with the axial direction of the base upright column, and the power receiving device does circular motion along the axial direction of the base upright column.

The utility model provides a pair of lithium cell group power supply unit for fork truck's advantage lies in: the utility model provides a lithium cell group power supply unit for fork truck in structure, the kinetic energy that the lithium cell in the automobile body cavity produced transmits to the current-collecting device, and the current-collecting device stably transmits the kinetic energy to the consumer outside the automobile body through the terminal end to realize the use of the electrification of consumer, and the power of whole fork truck is provided by lithium cell and each group motor, has simple structure, energy-concerving and environment-protective, easy maintenance and good advantage of economic nature; meanwhile, the lithium batteries can be stacked layer by layer in a manner of being separated by the electric control bottom plate so as to adapt to the requirements of different forklift electric energy; the wiring hole communicates with the slide one-to-one, the powered device is connected with the lithium battery through a cable in the slide, and meanwhile, the cable is arranged in a cavity of the base stand column, so that the requirements of reasonable wiring and simple structure are met.

Drawings

Fig. 1 is a schematic view of an assembly structure of a lithium battery pack power supply device for a forklift according to the present invention;

fig. 2 is a schematic structural diagram of the power supply device of the present invention;

FIG. 3 is a schematic view of the assembly structure of the base column of the present invention;

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

FIG. 5 is a schematic view of the plane A of FIG. 4;

fig. 6 is a schematic structural view of the power receiving device of the present invention;

fig. 7 is a schematic structural view of the fixed end of the current collector of the present invention;

the device comprises a vehicle body 3, a vehicle body 4, a protective cover 5, a lifting mechanism 6, a lithium battery 7, an electric control bottom plate 8, a power receiving device 8-1, an interface 8-2, a T-shaped wire groove 8-3, a rotating hole 10, a base upright post 10-1, a wiring hole 10-2, a slideway group 10-3, a shunting groove 10-4, a slideway 10-5 and a wire harness outlet.

Detailed Description

The technical solutions of the present invention are explained in detail below with reference to specific embodiments, and many specific details are set forth in the following description to provide a thorough understanding of the present invention. The present invention can be embodied in many other forms than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 and 2, the lithium battery pack power supply device for the forklift provided by the utility model comprises a forklift body 3 provided with a cavity and a power supply device for providing power for the whole forklift, wherein the power supply device comprises a power receiving device 8, a lithium battery 6 placed in the cavity of the forklift body 3 and a base upright post 10 with one end fixed at the bottom of the cavity of the forklift body 3; the base stand 10 extends the stiff end of receiving device 8 to keeping away from 3 bottom directions of automobile body, and the terminal end of receiving device 8 and the outer cable junction of automobile body 3, receiving device 8 are connected with lithium battery 6's output in the stiff end department, and receiving device 8's stiff end corresponds with the terminal end, and lithium battery 6 can be the lithium metal battery who does not charge, also can be rechargeable lithium ion battery.

It should be understood that the outward appearance shape of automobile body 3 is unrestricted, and on the kinetic energy that lithium cell 6 in the automobile body 3 cavity produced transmitted to powered device 8, powered device 8 passed through the terminal end with kinetic energy and transmitted the electric part outside automobile body 3 on to realize using with the circular telegram of electric part, whole fork truck's power is provided by lithium cell and each group's motor, and on the one hand energy-concerving and environment-protective, on the other hand easy maintenance. Meanwhile, the power of the lithium battery 6 is transmitted to the electric appliance outside the vehicle body 3 through the power receiving device, so that the power of the electric appliance is stable, the mechanical efficiency is high, and the economy is high.

In this embodiment, it is preferable that the vehicle body 3 is cylindrical, and the base pillar 10 is disposed at a central position of the bottom of the cavity of the vehicle body 3, so that the power receiving device 8 can stably rotate around the base pillar 10 without affecting a connection relationship between the power receiving device 8 and an external power consumption device.

As shown in fig. 2, the power supply device further includes an electric control bottom plate 7, the base pillar 10 extends to a direction away from the bottom of the vehicle body 3 and sequentially passes through the fixed end of the power receiving device 8 and the center of the electric control bottom plate 7, and a cavity for placing the lithium battery 6 is formed between the electric control bottom plate 7 and the bottom of the vehicle body 3. Can place the consumer on automatically controlled bottom plate 7, a plurality of simultaneously with electrical apparatus when more, can carry out the successive layer stack, separate with electrically controlled bottom plate 7 between layer and layer, save the occupation space of consumer, automatically controlled bottom plate 7 separates lithium cell 6 with electrical apparatus simultaneously, fixes lithium cell 6 on the one hand, and on the other hand makes whole device overhaul convenient. Meanwhile, the lithium batteries 6 can be separated by the electric control bottom plate 7 and are arranged into a plurality of layers, so that the forklift with large electric energy demand works, and when the lithium batteries 6 are arranged into the plurality of layers, each layer is provided with the slideway group 10-2.

As shown in fig. 3 and 4, the base column 10 is axially hollow, a slideway group 10-2 is arranged around the outer side of the base column 10 in the axial direction, and the power receiving device 8 is connected with the base column 10 through the slideway group 10-2; a wiring harness outlet 10-5 is formed in the side face, close to the lower portion of the slide rail group 10-2, of the base upright post 10, a cable in a cavity of the base upright post 10 is connected with the fixed end of the powered device 8 through the wiring harness outlet 10-5, and one end of the cable is connected with the output end of the lithium battery 6. The slideway group 10-2 comprises at least one slideway 10-4 and wiring holes 10-1 formed in the lower surface of the largest-diameter slideway group 10-2, the wiring holes 10-1 are communicated with the slideways 10-4 in a one-to-one correspondence mode, cables in a cavity of the base upright post 10 are connected into the wiring holes 10-1 through a wiring harness outlet 10-5, and a plurality of wiring harness outlets 10-5 are arranged, so that the cables are preferably connected into the wiring holes 10-1.

The lithium battery 6 is connected with the power receiving device 8 through a cable, for the sake of attractive appearance and fixation of the cable, the cable is arranged in an axial cavity of the base upright post 10, one end of the cable is connected with the output end of the lithium battery 6, the other end of the cable is connected into the wiring hole 10-1 through a wire harness outlet 10-5, when the external electrical appliance needs different power supply, a plurality of slideways 10-4 can be arranged, and the slideways 10-4 are separated from each other through a passage groove 10-3; the one-to-one correspondence relationship between the wiring holes 10-1 and the slideways 10-4 is that the cables in each slideway 10-4 can be provided with cables which are connected with the powered device 8 and have different control functions, the cables with different functions are in one-to-one correspondence with the output of the terminal end of the power receiving device 8, and are separated by the shunting grooves 10-3 to separate different control circuits, so that the powered device 8 supplies power for external electric devices with different requirements, and the application range of the power supply device to the power supply of the forklift is improved.

In the embodiment shown in fig. 4 and 5, three slideway groups 10-2 with different diameters, namely small, medium and large, are sequentially arranged on the base upright post 10, and each slideway group 10-2 is divided into two slideways 10-4 by a shunting groove 10-3, so that six slideways 10-4 are provided, and each slideway 10-4 is correspondingly communicated with six wiring holes 10-1 one by one and does not interfere with each other.

As shown in fig. 6 and 7, the terminal end of the power receiving device 8 is provided with a plurality of interfaces 8-1, each interface 8-1 is connected to a cable in one of the slideways 10-4, and the inner wall of the fixed end of the power receiving device 8 is matched with the slideway 10-4 and the shunting groove 10-3 on the base upright 10, so that the fixed end of the power receiving device 8 can rotate axially around the base upright 10 while being connected to the corresponding cable; the power receiving device 8 is provided with a T-shaped wire slot 8-2 between the fixed end and the terminal end, and a cable wire connected into the terminal end from the fixed end is placed in the T-shaped wire slot 8-2, so that orderly wiring is realized, disorder of the cable wire is avoided, and attractiveness is affected. When the power receiving device 8 is installed, the T-shaped wire slot is arranged facing the bottom of the vehicle body 3, and the connector at the terminal of the terminal is arranged facing the direction away from the bottom of the vehicle body 3. In this embodiment, a rotation hole 8-3 may be formed at the fixed end of the power receiving device 8, and a plurality of annular rings with alternating concave surfaces and convex surfaces may be disposed on the inner surface of the rotation hole 8-3, and on one hand, the annular rings rotate in cooperation with the slideway 10-4 and the shunting groove 10-3 on the base upright post 10, and on the other hand, the electric energy of the lithium battery is transmitted to the lifting mechanism 5 and other external electric devices through the electric brushes on the contact surfaces of the base upright post 10 and the annular rings with alternating concave surfaces and convex surfaces.

As shown in fig. 1, a protective cover 4 for sealing the cavity of the vehicle body 3 is provided on the upper portion of the vehicle body 3, and a signal transceiver is mounted on the top end of the protective cover 4. Set up a plurality of consumer on the control bottom plate 7, if direct exposure in the air, will cause the outward appearance not pleasing to the eye, the dust is big, place the low defect of security, consequently cover consumer, lithium cell 6 etc. through protection casing 4 for the outward appearance is pleasing to the eye, and consumer, lithium cell 6 etc. are difficult for being covered by the dust moreover.

The lithium battery 6 is placed in the cavity of the vehicle body 3 in many ways, and can be regular or irregular on the premise of realizing energy supply of the lithium battery 6, and in the embodiment, the lithium battery 6 is arranged in parallel with the axial direction of the base upright post 10; when the forklift works, when the working space is small, the forklift which is easy to turn or the lifting mechanism 5 which can rotate is often adopted so as to save the space for loading and unloading goods, so that the power receiving device is arranged in such a way that the base upright post 10 axially moves circularly, and power is conveniently supplied to electric appliances outside the forklift body 3 in 360 degrees in all directions; the lifting mechanism 5 is a mechanism for loading and unloading goods.

As shown in fig. 1 to 5, the working process is as follows: in this embodiment, automobile body 3's appearance is the cylinder, safety cover 4 is circular-arc, when needing the power consumption with electrical apparatus, the electric energy of 6 outputs of lithium cell passes through the cable conductor and carries powered device 8, with the terminal end through powered device 8 for 3 outside power supplies with electrical apparatus of automobile body, realize the normal operating with electrical apparatus, replace traditional internal combustion hydraulic transmission, environmental protection and energy saving, when hoist mechanism 5 that is used for goods handling rotates around automobile body 3, powered device rotates around base stand 10, in order to realize 360 degrees undifferentiated energy supplies.

It should be understood that the vehicle body 3 may be supported by moving wheels, be configured to be movable 360 degrees, and be movable along a set track to load and unload goods.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A lithium battery pack power supply device for a forklift comprises a forklift body (3) provided with a cavity and a power supply device for providing power for the whole forklift, and is characterized in that the power supply device comprises a power receiving device (8), a lithium battery (6) placed in the cavity of the forklift body (3) and a base upright post (10) with one end fixed at the bottom of the cavity of the forklift body (3);

the base stand column (10) extends through the fixed end of the power receiving device (8) towards the direction far away from the bottom of the vehicle body (3), the terminal of the power receiving device (8) is connected with a cable outside the vehicle body (3), the power receiving device (8) is connected with the output end of the lithium battery (6) at the fixed end, and the fixed end of the power receiving device (8) corresponds to the terminal.

2. The lithium battery pack power supply device for the forklift as recited in claim 1, wherein the power supply device further comprises an electric control bottom plate (7), the base upright column (10) extends to the direction far away from the bottom of the forklift body (3) and sequentially passes through the fixed end of the power receiving device (8) and the center of the electric control bottom plate (7), and a cavity for placing the lithium battery (6) is formed between the electric control bottom plate (7) and the bottom of the forklift body (3).

3. The lithium battery pack power supply device for the forklift as recited in claim 1, wherein the base upright post (10) is axially hollow, the slide way group (10-2) is arranged around the axial outer side of the base upright post (10), and the powered device (8) is connected with the base upright post (10) through the slide way group (10-2).

4. The power supply device of lithium battery pack for forklift truck according to claim 3, characterized in that the base pillar (10) has a harness outlet (10-5) on the side near the lower part of the slideway group (10-2), the cable in the cavity of the base pillar (10) is connected with the fixed end of the power receiving device (8) through the harness outlet (10-5), and one end of the cable is connected with the output end of the lithium battery (6).

5. The lithium battery pack power supply device for the forklift as recited in claim 4, wherein the slideway group (10-2) comprises at least one slideway (10-4) and wiring holes (10-1) formed in the lower surface of the largest-diameter slideway group (10-2), the wiring holes (10-1) are communicated with the slideways (10-4) in a one-to-one correspondence manner, and cables in the cavity of the base upright post (10) are connected into the wiring holes (10-1) through a wiring harness outlet (10-5).

6. The lithium battery pack power supply device for forklift according to claim 5, characterized in that the slide group (10-2) comprises at least two slides (10-4) and a shunting groove (10-3) separating the slides (10-4).

7. The lithium battery pack power supply device for the forklift according to any one of claims 1 to 6, wherein a protective cover (4) for sealing a cavity of the forklift body (3) is arranged at the upper part of the forklift body (3), and a signal transceiving device is installed at the top end of the protective cover (4).

8. The lithium battery pack power supply device for the forklift according to any one of claims 1 to 6, wherein the lithium battery (6) is arranged in parallel with the axial direction of the base upright post (10), and the power receiving device (8) performs circular motion along the axial direction of the base upright post (10).