JP2011246209A - Forklift - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a forklift capable of suppressing jumping-out of a battery case upward from a battery storage chamber, without applying any processing to the battery case.SOLUTION: This forklift includes the battery storage chamber surrounded by a bottom plate and a side plate 11b and opening upward to a vehicle body, the rectangular solid-shaped battery case 3 stored in the battery storage chamber, and a battery stopper 4 for suppressing jumping-out of the battery case 3 upward from the battery storage chamber. The side plate 11b of the battery storage chamber has a stopper hole of penetrating in the thickness direction in a higher position than an upper surface of the battery case 3. The battery stopper 4 includes a columnar pin member 4a rotatably inserted into the stopper hole, having one end side projecting in the battery storage chamber and having the other end side projecting outside the battery storage chamber, and a locking member 4b locked on the upper edge of the side plate 11b by rotating the pin member 4a inserted into the stopper hole.

Description

  The present invention relates to a forklift provided with a battery stopper that prevents a battery case from protruding upward from a battery storage chamber.

  A general forklift that uses a battery as a drive source includes a battery storage chamber for storing a battery case. The battery storage chamber is opened upward from the vehicle body, and the battery case is taken in and out from above by a lifting machine such as a crane or a hoist (see, for example, Patent Document 1).

  By the way, in the conventional forklift provided with the battery storage chamber as described above, the battery case may jump upward from the battery storage chamber due to overturn or vibration during traveling. For this reason, as shown in FIG. 5, the conventional forklift is provided with a battery stopper 14 that prevents the battery case from jumping upward from the battery storage chamber.

  As shown in the figure, the battery stopper 14 includes a pin member 14a and a locking member 14b. The pin member 14a is rotatably inserted into a stopper hole provided in the vicinity of the upper edge of the rear plate 15 of the battery storage chamber and the rear plate 16 of the battery case, and the locking member 14b is inserted into the rear plate 16 of the battery case. It is latched by the L-shaped retaining hook 17 provided in the.

JP 2001-302192 A

  However, in the forklift described above, the battery case can be prevented from jumping upward from the battery storage chamber, but it is necessary to provide a stopper hole and a retaining hook 17 on the rear plate 16 of the battery case. There was a problem that the structure was complicated and the cost was high. In the forklift described above, the positions of the stopper holes provided in each of the rear plate 16 of the battery case and the rear plate 15 of the battery storage chamber need to be exactly aligned, so that the battery case is stored in the battery storage chamber. There was a problem that it took time and effort.

  This invention is made | formed in view of said situation, The place made into the subject can suppress that a battery case jumps upwards from a battery storage chamber, without giving any processing to a battery case. The object is to provide a forklift having a battery stopper.

  In order to solve the above problems, a forklift according to the present invention includes a battery storage chamber that is surrounded by a bottom plate and a side plate and opens toward the upper side of the vehicle body, a rectangular parallelepiped battery case that is stored in the battery storage chamber, and a battery A forklift having a battery stopper for preventing the case from jumping upward from the battery storage chamber, wherein the side plate of the battery storage chamber has a stopper hole penetrating in the thickness direction at a position higher than the upper surface of the battery case The battery stopper is rotatably inserted into the stopper hole. One end of the battery stopper protrudes into the battery storage chamber, and the other end protrudes out of the battery storage chamber, and the pin member inserted into the stopper hole rotates. And a locking member locked to the upper edge of the side plate.

  According to this configuration, the pin member of the battery stopper is inserted into the stopper hole provided in the side plate of the battery storage chamber at a position higher than the upper surface of the battery case, and the locking member of the battery stopper is the battery storage chamber. Therefore, the battery case can be prevented from jumping out from the battery storage chamber without processing the stopper case, the retaining hook, or the like on the battery case.

  For example, in a state where the locking member is locked to the upper edge, the side member protrudes from the outer peripheral surface on one end side of the pin member toward the upper side of the vehicle body, and the front end is folded outside the battery storage chamber. An abutting portion that abuts on the upper edge may be formed.

  Preferably, the side plate has a notch at the upper edge, and the contact portion of the locking member is in contact with the bottom edge of the notch due to the weight of the locking member. According to this structure, it can prevent that a pin member rotates during driving | running | working. Furthermore, according to this configuration, even if the pin member rotates during traveling and the contact portion of the locking member moves away from the bottom edge of the notch portion, the locking member hits the side edge of the notch portion. As a result, the rotation of the battery stopper is limited, so that the abutting portion of the locking member can be immediately returned to the original abutted position.

  In addition, when the forklift further includes a device storage chamber provided adjacent to the battery storage chamber and a cover that covers the top of the device storage chamber, the stopper hole is provided between the battery storage chamber and the device storage chamber. What is necessary is just to provide in the side board used as a boundary. According to this configuration, the battery stopper can be attached and detached from the inside of the battery storage chamber while the upper portion of the device storage chamber is covered with the cover.

  ADVANTAGE OF THE INVENTION According to this invention, the forklift provided with the battery stopper which can suppress that a battery case jumps upwards from a battery storage chamber can be provided, without giving a battery case any processing.

It is the partially abbreviated perspective view which looked at the forklift concerning the present invention from the front. It is the partially abbreviated perspective view which looked at the forklift concerning the present invention from back. It is a figure which shows the state in which the battery stopper in this invention is latched by the rear side board of a battery storage chamber. It is a figure which shows the state in which the battery stopper in this invention is not latched by the rear side board of a battery storage chamber. It is a figure which shows the state by which the conventional battery stopper is latched by the rear side board of a battery case.

  Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

  As shown in FIG. 1, a forklift 1 according to the present invention includes a battery storage chamber 2 provided in the center of a vehicle body, a battery case 3 stored in the battery storage chamber 2, and a battery case 3 including a battery storage chamber. The battery stopper 4 which suppresses jumping upward from 2 and the apparatus storage chamber 5 provided adjacent to the back of the battery storage chamber 2 are provided. A cargo handling device (not shown) provided with a fork that can be moved up and down is provided at the front of the vehicle body, and a counterweight 6 is provided at the rear of the vehicle body. As shown in FIG. 2, an openable and closable battery cover 8 with a driver seat 7 fixed thereto is provided above the battery storage chamber 2, and a head guard 9 is provided above the driver seat 7. It has been.

  The battery case 3 is a rectangular parallelepiped iron case in which a plurality of batteries are stored. The battery case 3 is put into and out of the battery storage chamber 2 from above by a lifting machine such as a battery replacement crane or hoist.

  The battery storage chamber 2 is surrounded by the bottom plate 10 and the side plate, and is opened upward of the vehicle body. The side plates include a front side plate 11a and a rear side plate 11b arranged to face each other at an appropriate interval in the longitudinal direction of the vehicle body, and a right side plate and a left side plate arranged to face each other at an appropriate interval in the width direction of the vehicle body.

  As shown in FIG. 3, the rear plate 11 b is provided with a circular stopper hole penetrating in the thickness direction at a position higher than the upper surface of the battery case 3. A rectangular notch 12 is provided on the upper edge of the rear plate 11b. In the present embodiment, the distance from the upper surface of the battery case 3 to the stopper hole is 5 mm, and the width of the notch 12 is 50 mm.

  As shown in the figure, the battery stopper 4 includes a cylindrical pin member 4 a that is rotatably inserted into the stopper hole, and a locking member 4 b that is locked to the bottom edge of the notch 12. One end of the pin member 4 a protrudes above the battery case 3 stored in the battery storage chamber 2, and the other end protrudes outside the battery storage chamber 2. The locking member 4b is formed by bending a flat metal plate, and in a state where the locking member 4b is locked to the bottom edge of the notch 12, the pin member 4a is directed obliquely upward from the outer peripheral surface on one end side. And a contact portion that is in contact with the bottom edge of the notch portion 12 is formed by folding the tip end out of the battery storage chamber 2. The contact portion is in contact with the bottom edge of the notch portion 12 by the weight of the locking member 4b.

  Further, as shown in FIG. 4, even when the battery stopper 4 rotates during traveling and the contact portion of the locking member 4 b is separated from the bottom edge of the notch portion 12, the battery stopper 4 is locked to the side edge of the notch portion 12. Since the rotation of the battery stopper 4 is restricted by the contact with the member 4b, the contact portion of the locking member 4b immediately returns to the original position in contact with the bottom edge. In addition, when it is necessary to take out the battery case 3 from the battery storage chamber 2 for battery replacement or the like, in a state where the contact portion of the battery stopper 4 is separated from the bottom edge of the notch portion 12 (state of FIG. 4), The battery stopper 4 can be removed by pulling out the pin member 4a from the stopper hole.

  The device storage chamber 5 stores a control unit for controlling electric devices mounted on the vehicle body. The device storage chamber 5 and the battery storage chamber 2 are separated by a rear side plate 11 b that constitutes the battery storage chamber 2. The upper part of the device storage chamber 5 is covered with a waterproof cover 13. In the forklift 1 according to the present embodiment, since the battery stopper 4 can be attached and detached from the inside of the battery storage chamber 2, the waterproof cover 13 is kept attached to the device storage chamber 5 even during the operation. Can do.

  As described above, according to the forklift 1 according to the present invention, the pin member 4 a of the battery stopper 4 is inserted into the stopper hole provided in the rear plate 11 b of the battery storage chamber 2 at a position higher than the upper surface of the battery case 3. Since the locking member 4b of the battery stopper 4 is locked to the bottom edge of the notch 12 provided in the rear plate 11b of the battery storage chamber 2, the battery case 3 is subjected to some processing. The battery case 3 can be prevented from jumping upward from the battery storage chamber 2.

  Although preferred embodiments of the present invention have been described above, the present invention is not limited to these configurations.

  For example, in order to prevent the pin member 4a of the battery stopper 4 from rotating during traveling, the other end side of the pin member 4a protruding outside the battery storage chamber 2 is attached with a spring or the like in a direction opposite to the insertion direction. By energizing, the folded portion of the front end of the locking member 4b may be brought into contact with the rear side plate 11b of the battery storage chamber 2.

  Moreover, in the said embodiment, although the stopper hole and the notch part 12 are provided in the rear side plate 11b of the battery storage chamber 2, you may provide a stopper hole and the notch part 12 in side plates other than the rear side plate 11b.

  Further, the positional relationship between the pin member 4a and the locking member 4b can be arbitrarily changed. For example, in the above embodiment, the locking member 4b is provided on one end side of the pin member 4a, but may be provided on the other end side of the pin member 4a.

DESCRIPTION OF SYMBOLS 1 Forklift 2 Battery storage chamber 3 Battery case 4 Battery stopper 4a Pin member 4b Locking member 5 Device storage chamber 6 Counterweight 7 Driving seat 8 Battery cover 9 Head guard 10 Bottom plate 11a Front plate 11b Rear plate 12 Notch 13 Cover 14 Battery stopper 14a Pin member 14b Locking member 15 Rear plate 16 of battery storage chamber Rear plate 17 of battery case Retaining hook

Claims (4)

A battery storage chamber surrounded by a bottom plate and a side plate and opened upward of the vehicle body;
A rectangular parallelepiped battery case stored in the battery storage chamber;
A forklift provided with a battery stopper for preventing the battery case from popping upward from the battery storage chamber;
The side plate of the battery storage chamber has a stopper hole penetrating in the thickness direction at a position higher than the upper surface of the battery case,
The battery stopper is rotatably inserted into the stopper hole, and one end side protrudes into the battery storage chamber and the other end side protrudes outside the battery storage chamber, and is inserted into the stopper hole. A forklift, comprising: a locking member locked to an upper edge of the side plate by rotating the pin member.   When the locking member is locked to the upper edge, the locking member protrudes from the outer peripheral surface of the one end side toward the upper side of the vehicle body, and the tip is folded back to the outside of the battery storage chamber. The forklift according to claim 1, wherein a contact portion that contacts the upper edge of the side plate is formed. The side plate has a notch on the upper edge,
The forklift according to claim 2, wherein the contact portion of the locking member is in contact with the bottom edge of the notch due to its own weight. A device storage chamber provided adjacent to the battery storage chamber;
A cover for covering the upper part of the device storage chamber;
The forklift according to any one of claims 1 to 3, wherein the stopper hole is provided in a side plate of the side plate that serves as a boundary between the battery storage chamber and the device storage chamber.

Images