JPH06334U - Battery replacement device for floor cleaning car - Google Patents

Abstract

(57) [Abstract] [Purpose] A battery tray equipped with a battery can be easily transferred between the floor cleaning vehicle and a separately installed battery stand, and the battery can be easily replaced. A mounting table 8 for a battery tray 7 on which a battery B is mounted is provided on an upper part of a vehicle body 1, and an accommodating chamber 12 for a wheeled battery carriage 13 is provided on a lower part thereof. A hinge 9a is rotatably supported on the mounting table 8. A fall prevention plate 9 which can be tilted up and down as a shaft is erected, and the fall prevention plate 9 is hooked on the mounting table 8 by a turnbuckle stopper 10 and tilted to the outside of the mounting table 8 by using a hinge 9a as a pivot. Then, it becomes a delivery plate 9'of the wheeled battery carriage 13. The wheeled battery carriage 13 is provided with a wheel supporting frame pair 16 and a battery tray mounting plate 17, and further, the inclined sliding surface 16b, the inclined surface 17a, the screw fitting portion 16a, the adjusting screw 18, the connecting block 17
A height adjusting mechanism including b and the like is provided.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an improvement of a battery exchanging device for a floor cleaning vehicle.

[0002]

[Prior art]

 Conventionally, as a battery exchanging device for a floor cleaning vehicle or the like, as a "battery exchanging device for a floor cleaning device" in Japanese Utility Model Laid-Open No. 3-3961, a space for storing a tray with wheels on a vehicle body and a storage stopper for the tray are provided. Between the floor cleaning machine with the wheelchair and the space for loading the tray with wheels and the movable carriage with the loading stopper for the tray, or both spaces The technique which provided the connection means to connect was disclosed.

[0003]

[Problems to be solved by the device]

 The technique disclosed in Japanese Utility Model Laid-Open No. 3-3961 is heavy because the tray with wheels itself has to support the weight of the battery, and it is made sturdy to ensure strength. Further, since the floor cleaning machine always travels with this heavy tray with wheels mounted thereon, it has a problem that the weight becomes large and the usable time of the battery is shortened. In addition, since the wheeled tray had to be prepared for the spare battery, the initial cost was high and wasteful.

Therefore, an object of the present invention is to easily lower a battery tray on which a used battery is placed from a floor cleaning vehicle to a separately-installed battery stand with a small force, and from the battery stand. An object of the present invention is to provide an economical floor cleaning vehicle battery replacement device that can easily load a battery tray on which a charged battery is placed onto a floor cleaning vehicle with a small force.

[0005]

Means for Solving the Problems In order to solve the above-mentioned problems, a battery exchange device for a floor cleaning vehicle according to the present invention includes a battery tray mounting table having a battery and an accommodating chamber for a wheeled battery cart. A battery exchanging device for a floor cleaning vehicle, comprising: a vehicle body provided with the vehicle body; and a battery carriage with wheels that can be housed in the storage chamber, wherein the battery carriage with wheels has front wheels, rear wheels, and wheel supports that support them. The vehicle frame and the wheel supporting frame are provided with a battery tray mounting plate that can be moved up and down by a height adjusting mechanism.

[0006]

[Action]

 Place the battery trolley with wheels on the separately installed battery platform, place the battery tray with the battery on the battery tray mounting plate of the battery trolley with wheels, and operate the height adjustment mechanism with a small force. Float the battery tray mounting plate a little higher than the mounting surface of the floor cleaning vehicle. Then, the floor cleaning vehicle is brought close to the battery mounting table, the floor cleaning vehicle is connected to the battery mounting table, and the wheeled battery carriage prepared as described above is rolled and easily accommodated in the storage room of the floor cleaning vehicle. To do. Therefore, by operating the height adjusting mechanism and lowering the battery tray mounting plate to the surface of the mounting table, the battery tray can be easily mounted on the mounting table with a small force. After mounting, the wheeled battery cart is returned from the storage chamber to the battery table and used for battery replacement of other floor cleaning vehicles.

In order to lower the used battery from the floor cleaning vehicle to the separately installed battery placing table, first, as in the case of loading, the floor cleaning vehicle is first brought close to the battery placing table, and the floor cleaning vehicle is moved. Is connected to the battery stand. Next, operate the height adjustment mechanism to float the battery tray mounting plate slightly higher than the mounting table surface, and in that state, roll the wheeled battery carriage back to the battery mounting table, You can easily lower the battery above into the battery stand with a small amount of force.

[0008]

【Example】

 An embodiment of a battery exchanging device for a floor cleaning vehicle according to the present invention will be described with reference to the accompanying drawings. FIG. 1 is a side view showing an embodiment of a floor cleaning vehicle to which the battery exchanging device according to the present invention is applied. FIG. 2 is a sectional view taken along the line AA of FIG. A vehicle body, 2 is a front wheel, 3 is a rear wheel, 4 is a cleaning brush, and 5 is a squeegee. A motor 6 for driving a cleaning brush and a rectangular mounting table 8 of a battery tray 7 on which a battery B is mounted are provided on the upper portion of the vehicle body 1, and a recess 7 a is formed on the bottom of the battery tray 7 to prevent leakage of battery liquid. Is designed to store.

At the tray entrance / exit of the mounting table 8, a fall prevention plate 9 which can be tilted outward with a hinge 9a as a pivot is erected, and the fall prevention plate 9 serves as a stopper as shown in FIG. A commercially available turnbuckle stopper 10 is hooked on the mounting table 8 to prevent the battery tray 7 with the battery B mounted on the mounting table 8 from falling off. Further, as shown in FIG. 2, when the fall prevention plate 9 is tilted substantially horizontally to the outside of the mounting table 8 about the hinge 9a as a pivot, it serves as a delivery plate 9'of the wheeled battery carriage 13 described later. The wheeled battery carriage 13 can be transferred to and from the separately installed battery mount 11.

Further, in the upper part of the vehicle body 1, there is provided a housing chamber 12 for a wheeled battery cart formed by the surrounding space of the mounting table 8. The wheeled battery carriage 13 housed in the housing chamber 12 is configured as shown in FIGS. 4 and 5. That is, the front wheels 14 and the rear wheels 15 are axially attached to the wheel supporting frame 16, the battery tray mounting plate 17 is provided above the wheel supporting frame 16, and the battery tray mounting plate 17 is The height adjusting mechanism described below allows the wheel supporting frame 16 to move up and down.

The inclined slide surfaces 16b of the battery tray mounting plate 17 are brought into contact with the inclined slide surfaces 16b which are inclined forward and are provided at the four corners of the wheel supporting frame 16, and both of them are inclined slide surfaces 16b and the inclined surfaces 17a. And a screw fitting portion 16a is provided at the center of the rear portion of the wheel supporting frame 16, and the screw fitting portion 16a has an adjusting screw 18a with an operating handle 18a. Is screwed in, and the tip of the adjusting screw 18 is fitted into the long hole 17c of the connecting block 17b projecting from the lower portion of the battery tray mounting plate 17, and the retaining plate 18b integral with the adjusting screw 18 is provided. It is connected to the battery tray mounting plate 17 by 18b.

Therefore, when the operating handle 18a is operated to rotate the adjusting screw 18, the entire body moves left and right (refers to left and right in FIG. 4, which will be used in the same meaning hereinafter) with the rotation. , The battery tray mounting plate 17 connected to the tip of the plate moves forward and backward. Therefore, when the battery tray mounting plate 17 moves to the left, the battery tray mounting plate 17 moves upward due to the action of the inclined sliding surface 16b and the inclined surface 17a, and the battery tray mounting plate 17 moves to the right. When it moves to, it moves downward due to the same action. The range of this vertical movement is determined by the upper and lower limits of the long hole 17c into which the adjusting screw 18 is fitted. With such a height adjusting mechanism, the battery tray 7 having the battery B is floated or lowered with respect to the mounting table 8 to transfer the battery tray 7 between the wheeled battery carriage 13 and the floor cleaning vehicle C. To facilitate.

In order to perform the battery exchange of the floor cleaning vehicle C with the battery exchanging device having the above-described structure, the wheeled battery cart 13 is placed on the separately installed battery table 11, and the wheeled battery cart 13 is installed. The battery tray 7 on which the charged battery B is mounted is placed on the battery tray mounting plate 17 of 13. Then, the floor cleaning vehicle C is brought close to the battery mounting table 11, and the fall prevention plate 9 is tilted outward so that it is flush with the battery mounting table 11, and as shown in FIG. The floor cleaning vehicle C is connected to the battery stand 11 by passing it to the stand 11 to form a delivery board 9 '.

Therefore, the height adjusting mechanism is operated to float the battery tray mounting plate 17 slightly higher than the mounting table 8 surface of the floor cleaning vehicle C, and the wheeled battery carrier 13 is mounted on the transfer plate 9 ′. It can be rolled and easily accommodated in the accommodation room 12 of the floor cleaning vehicle C. Then, by operating the height adjusting mechanism again to lower the battery tray mounting plate 17 to the surface of the mounting table 8, the battery tray 7 can be easily mounted on the mounting table 8. After the placement, if the fall prevention plate 9 is raised to close the entrance of the placement table 8, the battery tray 7 on which the battery B is placed is prevented from coming off. Further, the wheeled battery carriage 13 accommodated in the accommodation room 12 may be accommodated in the floor cleaning vehicle C as it is, or may be returned from the accommodation room 12 to the battery pedestal 11 via the delivery plate 9 ′. . In this way, since the wheeled battery cart 13 can be removed from the floor cleaning vehicle C and returned to the battery mount table 11, unlike the conventional technique, one wheeled cart can be used for a plurality of sets of batteries and a plurality of batteries. It is possible to support one battery stand and multiple floor cleaning vehicles, and the initial cost is low and economical.

In order to lower the used battery B from the floor cleaning vehicle C to the separately installed battery placing table 11, first, as in the case of loading, the floor cleaning vehicle C is brought close to the battery placing table 11, The fall prevention plate 9 is tilted outward so as to be flush with the battery stand 11, the tip end thereof is passed to the battery stand 11, and the floor cleaning vehicle C is connected to the battery stand 11 by the delivery plate 9 '. Next, the height adjusting mechanism is operated to float the battery tray mounting plate 17 slightly above the surface of the mounting table 8. In this state, the wheeled battery carriage 13 is rolled on the delivery plate 9'and the battery mounting base 11 is moved. Then, the battery B 1 on the battery tray mounting plate 17 can be easily lowered onto the battery mounting base 11.

As described above, by using the delivery plate 9 ′, the battery B can be easily replaced even if there is a certain distance between the floor cleaning vehicle C and the battery mount 11. . Further, since the wheeled battery cart 13 is used, the battery tray 7 can be easily moved between the floor cleaning vehicle C and the battery stand 11 with a small force, and the height adjustment mechanism allows the wheeled battery cart to be moved. The battery tray 7 can be easily exchanged between the vehicle 13 and the floor cleaning vehicle C with a small force.

It should be noted that the configuration and shape of the battery tray, the fall-prevention plate and the stopper, the attachment position and the number of the stopper, and the detailed structure such as the height adjustment mechanism of the wheeled battery dolly of this embodiment are examples. However, the present invention is not limited to this, and can be appropriately changed without departing from the scope and spirit of the present invention.

[0018]

[Effect of device]

 As described above, the battery exchanging device for a floor cleaning vehicle according to the present invention comprises a vehicle body equipped with a loading tray for a battery tray and an accommodation chamber for a wheeled battery trolley, and a wheeled battery trolley. Since the dolly is equipped with a battery tray mounting plate that can be moved up and down by a height adjustment mechanism, by using a wheeled battery dolly, a battery tray between the floor cleaning car and the battery pedestal can be used. Can be easily moved with a small force, and the height adjustment mechanism allows the battery tray mounting plate to float, allowing the battery tray to be lightly placed on the floor cleaning vehicle's mounting table or lightly removed from the mounting table. The battery tray can be easily exchanged between the wheeled battery cart and the floor cleaning vehicle with a small force. Furthermore, the wheeled battery cart can be removed from the floor cleaning vehicle, so one wheeled battery cart can handle multiple sets of batteries, multiple battery mounts, and multiple floor cleaning vehicles. Therefore, the initial cost is low and the cost is economical.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of a floor cleaning vehicle to which a part of the battery exchanging device according to the present invention is applied.

FIG. 2 is a cross-sectional view taken along the line AA of FIG. 1 and a schematic explanatory view of a wheeled battery cart.

FIG. 3 is a perspective view showing an example in which a dropout prevention plate is hooked on a mounting table by a metal stopper.

FIG. 4 is a side view showing an example of a battery cart with wheels.

5 is a sectional view taken along line EE of FIG.

[Explanation of symbols]

1 ... Car body, 7 ... Battery tray, 8 ... Mounting table, 1
2 ・ ・ Accommodation chamber, 13 ・ ・ Wheel battery cart, 14 ・
・ Front wheel, 15 ・ ・ Rear wheel, 16 ・ ・ Wheel support frame, 16
a ・ ・ Screw fitting part, 16b ・ ・ Inclined sliding surface, 17 ・ ・ Battery tray mounting plate, 17a ・ ・ Inclined surface, 17b ・ ・ Connecting block, 18 ・ ・ Adjusting screw, B ・ ・ Battery, C ・ ・Floor cleaning car.

Claims (1)

[Scope of utility model registration request] 1. A battery exchanging device for a floor cleaning vehicle, comprising a vehicle body having a battery tray mounting table on which a battery is mounted and an accommodation chamber for a wheeled battery trolley, and a wheeled battery trolley capable of being accommodated in the accommodation chamber. The battery cart with wheels is provided with a front wheel and a rear wheel, a wheel supporting frame that supports them, and a battery tray mounting plate that is vertically movable with respect to the wheel supporting frame by a height adjusting mechanism. A battery exchanging device for a floor cleaning vehicle, comprising: