CN106429979B

CN106429979B - Battery compartment device for electric forklift

Info

Publication number: CN106429979B
Application number: CN201610665428.7A
Authority: CN
Inventors: 张�杰; 陈仕胜
Original assignee: Anhui Heli Co Ltd
Current assignee: Anhui Heli Co Ltd
Priority date: 2016-08-13
Filing date: 2016-08-13
Publication date: 2020-01-17
Anticipated expiration: 2036-08-13
Also published as: CN106429979A

Abstract

The invention provides a battery compartment device for an electric forklift, wherein a storage battery is placed in the battery compartment. The device utilizes a structure to satisfy the application occasion of all battery replacement modes of present electric fork-lift truck, avoids needing to develop different motorcycle types in order to cater to different customers' multiple operation mode.

Description

Battery compartment device for electric forklift

Technical Field

The invention relates to the technical field of electric forklifts, in particular to a battery compartment device for an electric forklift.

Background

At present, the replacement mode of the battery of the electric forklift mainly comprises the following four modes: lifting, side pulling, side shovels based on a cargo fork sleeve and side shovels directly from the bottom of the forklift.

Hoisting is the most common battery replacement mode, but it often needs to open a breach on the overhead guard in order to the entering of lifting rope to the user needs the configuration hoisting structure just can accomplish the change of battery, and the hoist and mount can cause cockpit structure fragmentation. The side pulling can make up the deficiency of hoisting, but the side pulling needs to be provided with a special trolley which generally consists of a pallet truck and a special bracket for a battery, and the side pulling mode can cause the cost increase. The side shovel mode based on the goods fork sleeve can solve the dependence of the side pulling mode on the trolley, the trolley is directly shoveled by another forklift, however, the problem that a larger open area is required to be reserved on the side edge of the forklift for the turning of a working vehicle exists, and particularly, the forklift needs to be stopped in an area with two sides open for a large-tonnage forklift with batteries on two sides, so that the management in a plant is not facilitated; and the bottom of the battery needs to be additionally provided with a goods fork sleeve or a tray, so that the height of the battery rises, the center of mass rises to reduce the dynamic stability of the forklift, and meanwhile, the bottom of the battery needs to be additionally provided with the goods fork sleeve or the tray to enlarge the space of a battery compartment and increase the arrangement difficulty of the automobile body. The direct side shovel mode of following fork truck bottom not only has the side shovel mode based on goods fork cover to the big shortcoming of both sides space demand, has fork truck moreover and need all leave empty shortcoming in bottom, increases the degree of difficulty of guaranteeing frame strength. The replacement mode of the battery of the electric forklift has the following problems: in the traditional hoisting mode, a gap needs to be formed in the overhead guard; the matching equipment used by side pulling is complex; the bottom shoveling mode needs to open the bottom of the forklift completely; the traditional battery compartment integrates two replacement modes at most, and has poor adaptability.

Compared with the above four battery replacement modes, each of the four battery replacement modes has advantages and disadvantages, and customers need to select the type of the forklift according to their own use conditions, which often goes wrong.

Disclosure of Invention

In order to solve the problems, the invention provides a battery compartment device for an electric forklift, which meets the application occasions of all battery replacement modes of the forklift.

The invention is realized by the following technical scheme:

a battery compartment device for an electric forklift is characterized in that a storage battery is placed in a battery compartment, and openings for taking out the storage battery are formed in the top, the side and the bottom of the battery compartment.

Furthermore, the battery compartment comprises two battery compartments which are symmetrically arranged, the battery compartment comprises a bottom front support plate and a bottom rear support plate which are correspondingly arranged, the bottom end of a front plate of the battery compartment is fixedly connected with the outer side surface of the bottom front support plate, the bottom end of a rear plate of the battery compartment is fixedly connected with the outer side surface of the bottom rear support plate, two ends of a longitudinal frame beam are respectively fixedly connected with the top ends of the front plate of the battery compartment and the rear plate of the battery compartment, a bottom longitudinal bottom plate is fixedly arranged between the inner side surfaces of the bottom front support plate and the bottom rear support plate, two side surfaces of the bottom longitudinal plate are respectively fixedly arranged on the side surfaces of the front plate of the battery compartment and the rear plate of the battery compartment,

furthermore, the bottom front support plate and the bottom rear support plate are provided with blank spaces.

Furthermore, a front support plate baffle is arranged at the front end of the bottom front support plate, and a rear support plate baffle is arranged at the front end of the bottom rear support plate.

Further, the cockpit is arranged between the two frame rails.

Furthermore, a space for accommodating a forklift pipeline and a circuit is arranged between the two bottom longitudinal plates.

Furthermore, two battery compartments share a bottom longitudinal plate.

Further, the components in the device are connected by welding.

Furthermore, rollers which can rotate freely are arranged in the blank spaces.

Furthermore, the contact surfaces of the storage battery and the bottom front support plate and the bottom rear support plate are respectively provided with a front limiting block blocked by the front support plate baffle and a rear limiting block blocked by the rear support plate baffle.

The top, the side and the bottom of the battery compartment are provided with openings for taking out the storage battery, so that the application occasions of all battery replacement modes of the conventional electric forklift are met by utilizing one structure, and the condition that different vehicle types need to be developed to cater to various operation modes of different customers is avoided. And realize hoist and mount and need not the cockpit and open the breach, what originally pull with the side only needs the pallet truck can accomplish, can follow fork truck bottom shovel and get and the frame need not to open the bottom totally like traditional bottom shovel gets.

Drawings

FIG. 1 is a perspective view of the device structure;

FIG. 2 is a bottom view of the device with the batteries replaced;

FIG. 3 is a perspective view of the device with the battery replaced;

fig. 4 shows a structural variation of the device.

Detailed Description

Electric fork-lift, especially the battery compartment device among the large-tonnage electric fork-lift is applicable to and is equipped with two sets of batteries, and the device is bilateral symmetry structure, so only introduces unilaterally, and the left part includes: as shown in fig. 1, the top, side and bottom of the battery compartment are provided with openings for taking out the storage battery, the two battery compartments are symmetrically arranged, the battery compartment comprises a bottom front support plate 3.1 and a bottom rear support plate 3.2 which are correspondingly arranged, the front end of the bottom front support plate 3.1 is provided with a front support plate baffle 5.1, the front end of the bottom rear support plate 3.2 is provided with a rear support plate baffle 5.2, the bottom end of the battery compartment front plate 2 is fixedly connected with the outer side of the bottom front support plate 3.1, the bottom end of the battery compartment rear plate 8 is fixedly connected with the outer side of the bottom rear support plate 3.2, the two ends of the frame longitudinal beam 1 are respectively fixedly connected with the top ends of the battery compartment front plate 2 and the battery compartment rear plate 8, a bottom longitudinal bottom plate 6 is fixedly arranged between the inner sides of the bottom front support plate 3.1 and the bottom rear support plate 3.2, the two side surfaces of the bottom longitudinal plate 7 are respectively arranged at the sides of the battery compartment front plate 2 and the, the bottom front support plate 3.1 and the bottom rear support plate 3.2 are provided with blank spaces. Wherein, except the roller 4, the rest are connected by welding to form the battery compartment box-shaped structure. Can arrange between two frame longitudinal 1 and be the cockpit area, the battery compartment of both sides can arrange two bottom vertical plates 7 like in 1, also can share one, and when arranging two, the space in the middle of can be used to the pipeline of fork truck and the arrangement of circuit. The bottom front support plate 3.1 and the bottom rear support plate 3.2 are provided with spaces for the placement of the rollers 4. In fig. 2 and 3, the storage battery 9 is arranged above the rollers, and the rollers can rotate freely, so that the storage battery can do low-resistance left-right translational motion in the box body.

When the storage battery 9 in the battery compartment device is replaced by using a hoisting mode, the storage battery 9 is replaced as shown in fig. 2 and 3, firstly, the storage battery 9 is moved outwards for a certain distance, the distance does not exceed half of the width of the storage battery 9, and otherwise, the storage battery 9 falls. The action of moving the battery 9 is not limited to manual work, and other mechanical actuators may be used. In order to limit the moving distance of the storage battery 9, the two sides of the bottom of the storage battery 9 are respectively provided with a front limiting block 9.1 blocked by a front support plate baffle 5.1 and a rear limiting block 9.2 blocked by a rear support plate baffle 5.2. After the front limiting block 9.1 and the rear limiting block 9.2 on the storage battery 9 collide with the front support baffle 5.1 and the rear support baffle 5.2 at the bottom of the battery bin, the storage battery 9 stops moving. At the moment, the hoisting hole above the storage battery 9 is exposed, the storage battery 9 can be hoisted to enter and exit, the overhead guard 10 and the frame longitudinal beam 1 have the same width, and the overhead guard 10 and the frame longitudinal beam 1 in the forklift are not required to be provided with notches, so that the strength of the forklift structure is ensured. The invention is not limited to limit by using the limiting block, and can also limit by using other limiting parts.

When the storage battery 9 in the battery bin device is replaced by side pulling, a fork sleeve side shovel or a fork of a forklift in a manner of shoveling from the bottom of the forklift, the storage battery 9 is supported from the bottom by a pallet truck or the fork of the forklift, so that the front limiting block 9.1 and the rear limiting block 9.2 at the bottom of the storage battery 9 are vertically staggered with the front support baffle 5.1 and the rear support baffle 5.2, and the storage battery 9 can be removed. The process of loading the battery 9 may be performed by reversing the above-described procedure of taking out the battery 9.

When the battery 9 is removed by means of a pallet truck or forklift fork lift, the battery is not pulled, the battery compartment device can also be arranged such that the bottom longitudinal floor 6 is narrowed and connected to the bottom longitudinal floor 7, as shown in fig. 4, without any component being arranged between the bottom front carrier plate 3.1 and the bottom rear carrier plate 3.2. The rollers 4 are not arranged in the spaces on the bottom front support plate 3.1 and the bottom rear support plate 3.2, and the storage battery 9 directly falls on the bottom front support plate 3.1 and the bottom rear support plate 3.2. From this, frictional force is big between battery 9 and bottom front support plate 3.1 and the bottom rear support plate 3.2, and front support plate baffle 5.1 and rear support plate baffle 5.2 are spacing to battery 9 simultaneously, have further increased the security of battery 9.

Claims

1. A battery compartment device for an electric forklift, a storage battery (9) is placed in a battery compartment, and the device is characterized in that the top, the side and the bottom of the battery compartment are provided with openings for taking out the storage battery (9), the device comprises two battery compartments which are symmetrically arranged, the battery compartment comprises a bottom front support plate (3.1) and a bottom rear support plate (3.2) which are correspondingly arranged, the bottom end of a front plate (2) of the battery compartment is fixedly connected with the outer side surface of the bottom front support plate (3.1), the bottom end of a rear plate (8) of the battery compartment is fixedly connected with the outer side surface of the bottom rear support plate (3.2), two ends of a longitudinal frame beam (1) are respectively fixedly connected with the top ends of the front plate (2) of the battery compartment and the rear plate (8) of the battery compartment, a bottom longitudinal bottom plate (6) is fixedly arranged between the inner side surfaces of the front support plate (3.1) and the rear support plate (3.2) of the bottom, two side surfaces of a bottom longitudinal bottom plate, the bottom surface of the bottom longitudinal plate (7) is fixedly arranged on the side surface of the bottom longitudinal bottom plate (6).

2. Device according to claim 1, characterized in that the bottom front shelf (3.1) and the bottom rear shelf (3.2) are provided with spaces.

3. A device according to claim 1, characterized in that the front end of the bottom front carrier plate (3.1) is provided with a front carrier plate baffle (5.1) and the front end of the bottom rear carrier plate (3.2) is provided with a rear carrier plate baffle (5.2).

4. A device according to any one of claims 1-3, characterised in that the cockpit is arranged between two frame rails (1).

5. A device according to any one of claims 1-3, characterised in that the bottom longitudinal plate (7) is provided in two pieces, and that a space for forklift lines and circuits is provided between the two bottom longitudinal plates (7).

6. A device according to any one of claims 1-3, characterized in that two battery compartments share a bottom longitudinal plate (7).

7. A device according to any of claims 1-3, wherein the parts of the device are connected by welding.

8. Device according to claim 2, characterized in that the space is provided with a freely rotatable roller (4).

9. A device according to any one of claims 1-3, characterized in that the battery (9) is provided with a front stop (9.1) blocked by a front shelf flap (5.1) and a rear stop (9.2) blocked by a rear shelf flap (5.2) on the contact surfaces with the bottom front shelf flap (3.1) and the bottom rear shelf flap (3.2), respectively.