JP3693284B2 - Battery mounting device for battery car - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a battery mounting device for a battery car using a battery such as a battery-type forklift, a battery-powered towing vehicle, and a battery-powered transport vehicle as a drive source.
[0002]
[Prior art]
FIG. 6 is a schematic side view of a battery car 51 using a battery as a drive source. Wheels 53 are respectively provided on the front and rear sides of the vehicle body frame 52 of the battery car 51. A driver's seat 54 is provided at the front, and a table lifter 55 for working at high places is provided at the rear. As is well known, the table lifter 55 is configured to be vertically extendable, and FIG. 6 shows a state in which the table lifter 55 is stored on the upper surface side of the vehicle body frame 52. A battery housing portion 56 is provided on the vehicle body frame 52 side located below the table lifter 55.
[0003]
As shown in FIG. 7, the battery main body 60 to be housed in the battery housing portion 56 includes a battery 61 made up of a large number of battery cells, a box-shaped metal case 62 having an open top surface for housing the battery 61, and The metal cover 63 covers the opening surface of the case 62. In addition, since the battery body 60 is very heavy, when replacing the battery body 60, a plurality of wire insertion holes 64 for being suspended by a crane are formed in the upper portion of the case 62.
[0004]
An opening 66 is perforated in the floor 65 of the vehicle body frame 52, and a box-shaped battery storage portion 56 having an upper surface opened on the lower surface side of the opening 66 is fixed by means such as welding. Note that the battery storage portion 56 shown in FIG. 7 has five sides, four side plates 67 and a bottom plate 68. However, the three sides of the two side plates 67 and the bottom plate 68 on both sides are provided. In some cases, it is composed of planes.
[0005]
Normally, the cover 63 is removed, a wire is inserted into the hole 64 of the case 62, the battery body 60 is lifted by hanging the wire with a crane, and the replacement is performed.
[0006]
[Problems to be solved by the invention]
In the structure of the battery vehicle 51 shown in FIG. 6, a table lifter 55 is disposed on the upper surface of the vehicle body frame 52 above the battery housing portion 56, and when replacing the battery body 60, the table lifter 55 is attached to the vehicle body frame 52. Then, the battery body 60 is recovered by lifting it upward with a crane. Then, the new battery main body 60 is suspended by a crane, and the battery main body 60 is lowered from the opening 66 of the vehicle body frame 52 and disposed in the battery storage portion 56. In the illustrated example, an example of the table lifter 55 is shown as an apparatus disposed above the battery storage unit 56, but the present invention is not limited thereto, and other large and heavy apparatuses are also included.
[0007]
However, there is a problem in that the battery main body 60 must be replaced after the table lifter 55 of the battery housing portion 56 is removed from the vehicle body frame 52 because of the structure in which the battery main body 60 is taken in and out from the upper part of the vehicle body frame 52. That is, since the replacement of the battery body 60 is generally about once a year, the arrangement structure of the table lifter 55 has priority over the replacement work of the battery body 60. For this reason, each time the battery body 60 is replaced, the table lifter 55 is removed and the attachment work is required, and the replacement work of the battery body 60 is very complicated.
[0008]
The present invention has been provided in view of the above points, and provides a battery mounting device for a battery car that can be easily and quickly replaced when the battery is replaced by allowing the battery to be inserted and removed from the lower side of the vehicle body. It is intended to provide.
[0009]
[Means for Solving the Problems]
Therefore, a battery vehicle battery mounting system of claim 1, wherein the present invention, Rutotomoni provided the battery housing space on the lower surface side of the body frame, and a fixing piece which is fixed to the vehicle body frame at positions on both sides of the battery receiving space A battery mounting member attached to the fixed piece by a bolt and ribs formed on both sides of the battery case storing the battery, and the battery case is carried upward from the bottom of the vehicle body frame and then stored in the battery The battery mounting member is placed in a state where the rib is positioned above the fixed piece, the battery mounting member is fixed to the fixed piece, the battery is lowered, and the battery is lowered. The rib is mounted on the battery mounting member .
[0010]
With this configuration, it is possible to carry out and carry in the battery from the lower surface side of the vehicle body frame, and even when a large device is attached to the upper surface of the vehicle body frame, it is easy to replace the battery without removing such a device, and It can be done quickly. Further, since the battery is carried in from the bottom of the vehicle body frame, the battery can be replaced without using a crane, unlike the conventional case. Further, even when the battery car is loaded with a load, the battery can be replaced while the load is loaded.
[0011]
With this configuration, the battery is loaded from the bottom of the vehicle body frame, the battery is further lifted upward, the battery mounting member is fixed to the fixed piece, the battery is lowered, and the battery rib is attached to the battery mounting member. The battery can be easily and quickly attached by simply placing it. Therefore, even if a large device is attached to the upper surface of the body frame, the battery can be attached and detached in a short time without removing the device.
[0012]
3. The battery mounting device for a battery car according to claim 2 , wherein two protrusions are provided on the upper surface of the battery mounting member, the dimension between the two protrusions is substantially the same as the length of the battery rib, and the rib protrudes. It is characterized by being placed between.
[0013]
Thereby, the movement of the battery in the front-rear direction or the left-right direction can be restricted.
[0014]
The battery mounting device for a battery car according to claim 3 is characterized in that the dimensions between the battery mounting members fixed to the fixing pieces on both sides and the width of the battery are substantially the same.
[0015]
Thereby, the movement of the battery in the front-rear and left-right directions can be restricted.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is an exploded perspective view of a battery mounting device. A battery main body 1 is a box-shaped metal case having a battery 2 composed of a large number of battery cells and a top surface in which the battery 2 is mounted as in the conventional case. 3 and a metal cover 4 that covers the opening surface of the case 3. In addition, since the battery body 1 is very heavy, when replacing the battery body 1, a plurality of wire insertion holes 5 for being suspended by a crane are formed in the upper portion of the case 3. Further, a square pillar-shaped rib 6 made of metal is fixed to upper portions on both sides of the case 3 by means such as welding.
[0017]
In addition, a rectangular opening 12 is perforated in the floor 11 of the vehicle body frame 10 similar to the conventional one, and a battery storage space 13 for storing the battery body 1 is formed below the opening 12. The side portions 14 of the vehicle body frame 10 on both sides of the opening portion 12 have a substantially U-shaped cross section. A metal side plate 15 is disposed on the opening surface of the side portion 14 on the opening portion 12 side. Yes. Further, substantially L-shaped fixing pieces 16 are fixed to both sides of the side plate 15 so as to face each other inward. The fixing piece 16 has an insertion hole 17 through which a bolt 18 is inserted. In addition, the cross-sectional structure of the side part 14 is an example, and changes with the models of a battery vehicle.
[0018]
A pair of brackets 21 for storing and arranging the battery main body 1 is provided in the battery storage space 13. As shown in FIGS. 1 and 2, screw holes 22 into which the bolts 18 are screwed on both sides of the bracket 21. Is threaded. Further, protrusions 23 are integrally fixed to both sides of the upper surface of the bracket 21, and a substantially U-shaped grip 24 is provided on the lower surface of the bracket 21. The dimension between the protrusions 23 of the bracket 21 is substantially the same as the length dimension of the rib 6 of the battery body 1, so that the rib 6 fits between the protrusions 23. Moreover, the dimension between the brackets 21 on both sides when both the brackets 21 are attached to the fixed piece 16 is substantially the same as the dimension between both side surfaces of the battery body 1 (see FIG. 5).
[0019]
Next, the work of replacing the battery body 1 will be described. The replacement is originally performed after the battery main body 1 is removed and then the new battery main body 1 is mounted. However, for convenience of explanation, the battery main body 1 will be described first from the side where it is mounted on the battery car. Further, as a vehicle necessary for the replacement of the battery main body 1, a transport vehicle such as a forklift, a walkie-type high lift, or a manual high lift is necessary for transporting the battery main body 1.
[0020]
First, as shown in FIG. 3A, the battery body 1 suspended by a crane is placed on the fork 31 of the transport vehicle 30. Next, as shown in FIG. 3 (b), the battery main body 1 is mounted by a fork 31 from below the body frame 10 between the side of the battery car 33 and the front and rear wheels 33 similar to that shown in FIG. I'm grateful. When the battery body 1 can be put into the lower surface of the vehicle body frame 10 with the battery body 1 slightly raised from the ground with the fork 31, the above-described operation may be performed, but the lower surface of the vehicle body frame 10 is low. The vehicle body frame 10 is lifted by a jack (not shown) or the like.
[0021]
As described above, the battery body 1 is transported to a position where it can be accommodated in the battery storage space 13, and at that position, as shown in FIG. It is raised to a position above it and stopped at that position. This state is shown in FIG. Next, as shown in FIG. 4 (b), the operator holds the grip 24 of the bracket 21 with one hand, puts the grip 24 between the fixed piece 16 and the side surface of the battery body 1, The bracket 21 is positioned so that the position of the insertion hole 17 of the fixed piece 16 and the position of the screw hole 22 of the bracket 21 are aligned. While holding the bracket 21 with one hand, the bolt 18 through the washer 19 is inserted into the insertion hole 17 from the inside of the fixed piece 16 with the other hand, and the bolt 18 is screwed into the screw hole 22 of the bracket 21. To do. Thereby, the bracket 21 is attached and fixed to the fixed piece 16.
[0022]
In this state, as shown in FIG. 4B, the rib 6 of the battery body 1 located between the two protrusions 23 of the bracket 21 is in a position slightly lifted from the upper surface of the bracket 21. Then, as shown in FIG. 4C, by lowering the fork 31 downward, the battery body 1 is also lowered, whereby the rib 6 of the battery body 1 is placed on the upper surface of the bracket 21. This state is shown in FIG.
[0023]
Here, since the rib 6 of the battery body 1 is positioned between the projections 23 of the bracket 21, the movement in the front-rear direction in FIG. 5 is restricted, and the movement in the left-right direction is restricted by the brackets 21 on both sides. ing. Thereby, the movement of the battery body 1 in the front-rear and left-right directions is regulated by the bracket 21. In the vertical direction, since the weight of the battery body 1 is heavy, there is no problem when the battery car 33 travels during normal work.
[0024]
When removing the battery main body 1 from the vehicle body frame 10, the battery main body 1 can be easily removed from the vehicle body frame 10 by performing a procedure reverse to the above procedure.
[0025]
When the dimensions between the wheel bases are short and the battery body 1 cannot be inserted from the side surface of the body frame 10, the battery body 1 is inserted from the rear part of the body frame 10.
[0026]
Needless to say, the number of the fixing pieces 16 for attaching the battery main body 1 and the number of the projections 23 of the bracket 21 can be appropriately changed depending on the weight of the battery main body 1 or the like. Note that the number of protrusions 23 corresponds to the number of ribs 6 of the battery body 1. When a plurality of ribs 6 are provided, the number of protrusions 23 to sandwich the ribs 6 accordingly. Will increase.
[0027]
Thus, even if a large device such as the table lifter 55 is disposed on the upper surface of the vehicle body frame 10, the battery body 1 can be easily and quickly replaced without removing the device. In particular, it is not necessary to remove or attach a device such as the table lifter 55, so that the battery replacement operation can be performed in a dramatically shorter time. In the above description, the case where the crane is used to place the battery body 1 on the fork 31 is described. However, when the battery body 1 is placed on the pallet in advance, the fork 31 is inserted into the pallet. In this case, a crane is unnecessary.
[0028]
Further, in the case of a transport vehicle in which the upper surface of the body frame 10 above the battery storage space 13 is a loading platform, in the conventional structure for loading and unloading the battery body 1 from the body frame 10, the loading of the loading platform is temporarily lowered. Although the battery body 1 has been replaced, in the present invention, since the battery body 1 is replaced from below the body frame 10, the battery body 1 can be replaced even when a load is loaded. Can do. The maintenance of the battery 2 is performed by removing the cover 4 exposed on the upper surface of the vehicle body frame 10.
[0029]
【The invention's effect】
According to the battery attachment device for a battery car according to claim 1 of the present invention, the battery can be carried out and carried in from the lower surface side of the vehicle body frame, and such a device can be used even when a large device is attached to the upper surface of the vehicle body frame. Without removing the battery, the battery can be easily and quickly replaced. Further, since the battery is carried in from the bottom of the vehicle body frame, the battery can be replaced without using a crane, unlike the conventional case. Further, even when the battery car is loaded with a load, the battery can be replaced while the load is loaded.
[0030]
According to the battery mounting device for a battery car according to claim 1 , for battery mounting, the battery is loaded from under the vehicle body frame, the battery is further lifted upward, the battery mounting member is fixed to the fixed piece, and then the battery is lowered. By simply placing the battery rib on the battery mounting member, the battery can be mounted easily and quickly. Therefore, even if a large device is attached to the upper surface of the body frame, the battery can be attached and detached in a short time without removing the device.
[0031]
According to the battery mounting device for a battery car according to claim 2, the two protrusions are provided on the upper surface of the battery mounting member, the dimension between the two protrusions and the length of the rib of the battery are substantially the same, Since it is placed between the protrusions, the movement of the battery in the front-rear direction or the left-right direction can be restricted.
[0032]
According to the battery attachment device for a battery car according to claim 3, since the dimension between the battery attachment members fixed to the fixing pieces on both sides and the width dimension of the battery are substantially the same, Can be regulated.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of a main part of an attachment device for a battery main body according to an embodiment of the present invention.
2A to 2C are a plan view, a front view, and a side view of a bracket according to an embodiment of the present invention. FIG.
FIG. 3 is an explanatory diagram when replacing the battery main body according to the embodiment of the present invention.
FIG. 4 is an explanatory diagram for replacing the battery body according to the embodiment of the present invention.
FIG. 5 is a cross-sectional view when the battery main body according to the embodiment of the present invention is mounted.
FIG. 6 is a schematic side view of a conventional battery car.
FIG. 7 is an explanatory diagram when battery replacement is performed in a conventional example.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Battery main body 2 Battery 3 Case 4 Cover 6 Rib 10 Body frame 13 Battery storage space 16 Fixing piece 18 Bolt 21 Bracket (battery attachment member)
22 Screw hole 23 Projection 24 Grip

Claims (3)

Rutotomoni the battery housing space provided on the lower surface side of the body frame, and a fixing piece which is fixed to the vehicle body frame at positions on both sides of the battery receiving space, and a battery mounting member attached by bolts to the fixed piece, housing a battery Ribs formed on both sides of the battery case, and after the battery case is carried from the bottom of the vehicle body frame, the battery case is raised upward and stored in the battery storage space. The battery case is moved upward from the fixed piece. A battery mounting member is disposed in a positioned state, the battery mounting member is fixed to the fixed piece, the battery is lowered, and a battery rib is mounted on the battery mounting member . Battery mounting device. Two protrusions are provided on the upper surface of the battery mounting member, the dimension between the two protrusions is substantially the same as the length of the battery rib, and the rib is placed between the protrusions. The battery mounting apparatus of the battery vehicle of Claim 1 . The battery mounting device for a battery car according to claim 1 or 2, wherein a dimension between battery mounting members fixed to the fixing pieces on both sides is substantially the same as a width dimension of the battery.

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