JPS60146724A - Battery loading or unloading method and device for electric automobile - Google Patents

Abstract

PURPOSE:To make the loading or unloading of a battery and its positioning to the car body performable easily and simply in a way of tilting the battery downward, by installing an outer carrier whose one end is supported on the car body with a hinge mechanism and the other end is made to be tiltable in both vertical directions. CONSTITUTION:A battery 4 is set to an inner carrier 5, while rollers 6 are installed in a lower surface of the carrier 5 in a row and lightly movable in design. An outer carrier 7 is attached to a car body with a hinge 10 at the side opposed to the side of a gate way A, and an end part of a wire W is engaged with a corner part of the gateway A side lower surface. The other end of the wire W is engaged with an internal thread plate 14 being engaged with a screw shaft 13 of a driving motor M via plural pieces of pulleys 12. In time of loading the battery 4, only the rearward of a body 1 is jacket up, keeping it obliquely, and the wire W is turned round whereby the carrier 7 is made into horizontality, and the carrier 5 is set to where it should be, then the carrier 7 is loaded on the body 1 horizontally.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a method and device for loading and unloading batteries for electric vehicles.

[Prior art]

Generally, electric cars have less battery energy.

Therefore, the mileage is prefecture. Therefore, some buses have adopted a method of increasing the utilization rate by replacing batteries. However, the replacement equipment may require special equipment, or
There was an inconvenience that the work required to draw out the batteries, load and unload them was to rely on manual labor, and that the work efficiency was not sufficient.

For this reason, Utility Application No. 51-135499 (Utility Application No. 53-
53709), the battery is housed in a carrier having wheels at the four corners of the lower surface, and one end of the wire is hooked to a hook attached to the top of the four corners of the carrier.
The other end is wound around the shaft Z of the power transmission switching mechanism, and the entire carrier is moved up and down by the power transmission switching mechanism.

For this reason, ■ Wire routing is complicated, ■ A lot of power is required to drive the wires, ■ It is difficult to position the battery on the vehicle body side, and ■ Loading and unloading the battery on the carrier □Manpower or special loading/unloading equipment is required each time to load and unload a heavy object, such as an electric hearing aid.
[Purpose of the Invention] In view of the above problems, the purpose of Honjomei□ is to:
By tilting the batteries to load and unload the batteries, it is possible to load and unload the batteries with a simple mechanism and with a small amount of power.

[Structure of the invention]

In order to achieve this object, the method of the first invention provides space for the battery movably loaded on the vehicle body to be tilted at a predetermined angle below the vehicle body.
The method comprises the steps of maintaining the vehicle attitude diagonally, tilting the battery to maintain it in a horizontal state, and moving the battery held in the horizontal state out of the vehicle body or vice versa, - The device of the second invention has one end hinged to the vehicle body in order to move an inner carrier that is movably loaded on the vehicle body and stores the battery, and the inner carrier from inside the vehicle body to outside the vehicle body or vice versa. The vehicle is characterized by comprising an outer carrier which is specially provided with a mechanism and whose other end can be tilted up and down, and a power mechanism for tilting the outer carrier with respect to the vehicle body.

[Function and effect of the invention]

According to the present invention, since the battery is loaded and unloaded by tilting the battery, one end of the carrier that accommodates the battery is hinged to the vehicle body, and only the other end needs to be moved. The mechanism for driving the carrier can be simplified.

Also, the second shot? According to a certain battery loading/unloading device, since the batteries are housed in an easily movable inner carrier, the batteries can be loaded/unloaded and positioned to the vehicle body easily and simply.

〔Example〕

Embodiments of the present invention will be described below with reference to the drawings. j Figures 1 and 2 are schematic configuration diagrams showing the overall configuration of an electric vehicle equipped with a battery loading/unloading device, and the vehicle body l is
It includes a front wheel 2 and a rear wheel 3, and a drive motor M is attached thereto.

The batteries 4 are set in an inner carrier 5, and a row of sticks 6 are arranged on the underside of the inner carrier 5 so that they can be easily moved. It's a sea urchin. - On the other hand, the lower surface of the outer carrier 7 is provided with a parallel groove 8, followed by a tapered groove on the entrance/exit A side of the inner carrier 5.
The inner carrier 5 is easily set from the entrance/exit A side by the roller 6 moving from the tapered groove 9 of the outer carrier 7 along the parallel groove 8. When the inner carrier 5 is set on the outer carrier 7, the rollers 6 and the parallel fllls 18 are fitted to position the inner carrier 5 in the left and right direction (with respect to the vehicle traveling direction), and the stopper S positions the inner carrier 5 in the vertical direction, and the bolt B The front and back directions (with respect to the vehicle traveling direction) are each fixed.

The outer carrier 7 is attached to the vehicle body with a hinge 10 on the side opposite to the entrance A side, and two hooks 11 are attached to the corners of the lower surface on the entrance A side, so that the ends of the wires W It is attached.

The other end of the wire W is engaged via a plurality of pulleys 12 to an internally threaded plate 14 that is meshed with the screw 1-shaft I3 of the drive motor M.

A switch 15 for forward and reverse rotation is attached to the drive motor M (power mechanism), and the wire W is rotated to tilt the outer carrier 7 up and down about the hinge 10. When the outer carrier 7 is pulled by the drive motor M and the wire W is pulled by the drive motor M, the entrance/exit A side of the inner carrier 5 rises and becomes horizontal with respect to the vehicle body.
It is designed to stop automatically.

Next, the operation of this embodiment will be explained.

When loading the battery 4 into the vehicle body, set the battery 4 in the inner carrier 5 in advance, place it on the bench C, hold the vehicle body l with only the rear end jacked up, and hold the vehicle body l at an angle. M moves the rewire W in the direction of the arrow Y shown by the solid line, and the outer carrier 7, which moves with the hinge 10 as a fulcrum, is horizontal to the floor F (state shown by the solid line).
Make it. Since rollers 6 are arranged in a row on the lower surface of the inner carrier 5 which is placed on the table C, the rollers 6 move along the parallel grooves 8 through the tapered grooves 9 of the outer carrier 7 by a light hand pushing operation, and the battery 4 The inner carrier 5 containing the goods is transferred to the outer carrier 7. In this way, when the inner carrier 5 is set on the outer carrier 7, the rollers 6 and the parallel grooves 8 are fitted to position it in the left and right direction, and the stopper S is used in the vertical direction, and the bolt B is used in the front and back directions. are fixed respectively.

Next, the wire W is rotated in the X direction (not shown by the broken line) by the drive motor M, and the outer carrier 7 is made horizontal with respect to the vehicle body l (shape B of the broken line), and the battery 4 is loaded onto the vehicle body 1. can be included. .

On the other hand, when loading and unloading the battery 4 from the vehicle body 1, if the Wabuya W is rotated in the direction of the arrow Y shown by the solid line,
Loading and unloading can be done by reversing the procedure described above.

In the case of this embodiment, the rollers 6 and parallel grooves 8 position the left and right sides, the stoppers S up and down, and the poles H in the front and rear directions. Then, everything except bolt tightening will be done automatically.
It is expected that it will be possible to significantly reduce the burden on workers and significantly improve work efficiency.

Although one embodiment of the present invention has been described above, the present invention is not limited to this embodiment, and includes various embodiments within the scope of the claims, such as To move the battery out of the vehicle body or vice versa while holding the vehicle at an angle, the vehicle body is placed on a slope surface that has a space on the underside of the vehicle body that allows the battery to be moved. Furthermore, in order to automatically position the inner carrier not only vertically and horizontally but also in the front-rear direction, a click mechanism may be used instead of bolts to fix the inner carrier in the front-rear direction. r

[Brief explanation of the drawing]

1 and 2 are schematic configuration diagrams showing an embodiment of the battery loading/unloading method and apparatus according to the present invention, with FIG. 1 being a side view and FIG. 2 being a plan view thereof. 1 ------- Vehicle body 4 - Battery 5 - Inner carrier 6 - Roller 7 - Outer middle rear 8 - Parallel groove 9 -1---Taber groove 10,---Hinge 12---・Pulley 13------Screw shaft I4---Female thread plate A---Inner carrier entrance/exit M'------ Drive motor (power mechanism) W・-1--wire

Claims (1)

[Claims] 1. The step of maintaining the vehicle attitude diagonally in order to secure a space that allows the batteries movably loaded on the vehicle body to be tilted at a predetermined angle below the vehicle body; A method for loading and unloading batteries in an electric vehicle, comprising the steps of tilting the battery to hold it in a horizontal position, and moving the battery held in the horizontal position out of the vehicle body or vice versa. 2. An inner carrier that is movably loaded on the vehicle body and stores the battery, and one end of which is specially installed on the vehicle body with a hinge mechanism, and the other end is specially provided with a hinge mechanism in order to move the inner carrier from inside the vehicle body to outside the vehicle body or vice versa. A battery loading/unloading device for an electric vehicle, comprising: an outer carrier whose end can be tilted up and down; and a power mechanism for tilting the outer carrier with respect to the vehicle body.