JPH09207587A - Gas container holding device of industrial vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To retain a gas container certainly regardless of its diameter. SOLUTION: A gas container 15 is supported by a receptacle 3 in its supporting surface whose two ends in the form of a circular arc having a smaller diameter than the outside diameter of the gas container 15 are to contact with the container in two places A and B when the gas container 15 is viewed on the circular section, and a contacting part C at the tip of a supporting arm 4 rotatable round a supporting shaft 7 parallel with the gas container 15 is contacted with that peripheral surface of the gas container 15 positioned symmetrically to the parts supported of the container, which is thus held pinchedly by the supporting arm 4 and receptacle 3. A fastening belt 13 is wound on that peripheral surface of the container 15 which is positioned opposite the fulcrum of the supporting arm 4 rotating, and the receptacle 3 and the supporting arm 4 are coupled together.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas cylinder for mounting a gas cylinder filled with propane gas for use as a fuel in an industrial vehicle such as a forklift truck in a horizontal position on a machine base. Relating to a holding device.

[0002]

2. Description of the Related Art In an industrial vehicle, it is difficult to secure a space for accommodating a gas cylinder in a machine base, so that the gas cylinder is often attached externally. In a model of a forklift truck to which a gas cylinder is attached externally, for example, as illustrated in FIG. 11, a lateral position in which the gas cylinder 15 is tilted to have a horizontally long shape at a rear position on the machine base 2 corresponding to a counterweight. The gas cylinder 15 is mounted in the conventional case shown in FIG.
As illustrated in FIG. 3, a holding device for fitting and holding the gas cylinder 15 in plate-shaped holders 16, 16 that have arcuate support surfaces 16a, 16a that match the outer circumference of the gas cylinder 15, respectively, and As illustrated in FIG. 13, a pair of pedestals 17, 17 having a supporting surface 17a capable of closely contacting and supporting the lower circumferential surface of the gas cylinder in a horizontal position is provided, and is supported by the pedestals 17, 17. A pair of band members 18 having a supporting surface 18a that is in close contact with the peripheral surface of the gas cylinder, which is opposite to the supported surface of the gas cylinder,
There is a holding device or the like that is fastened and fixed to the gas cylinder 18, and the cradle 17 and the band member 18 are also formed such that the supporting surfaces 17a, 18a that come into contact with the cylinder are both shaped to match the outer circumference of the designated cylinder. The supporting surfaces 17a, 18
It was fitted in a so as to hold almost the entire circumference uniformly.

[0003]

Since the conventional gas cylinder holding device is a dedicated type intended only for a gas cylinder formed into a shape of a predetermined size, the manufacturing side responds to the demand of the customer by the cylinder. It was necessary to select and assemble a holder, a pedestal, a band member, etc. having a shape adapted to the diameter of, and it was necessary to always stock sufficient types to accommodate them. Also, on the use side, if a gas cylinder with a diameter different from that of the prescribed gas cylinder is to be temporarily installed instead of it, if the diameter of the cylinder is small, it will rattle, and if it is large, the cylinder cannot be fitted into the support surface, so It was not possible to hold a gas cylinder with a different diameter whose outer periphery does not match the support surface.

[0004]

DISCLOSURE OF THE INVENTION The present invention is a gas cylinder holding device having an excellent function, and its structure is such that in a gas cylinder holding device for mounting a gas cylinder in a horizontal position on an industrial vehicle, When the gas cylinder can be fixed in place and viewed in a circular cross section, the pedestal that supports the gas cylinder by abutting at two points on the peripheral surface and the horizontal axis parallel to the gas cylinder when placed on the machine side A support arm that is rotatably attached as a fulcrum and that abuts on the peripheral surface of the gas cylinder that is symmetrical to the supported portion of the gas cylinder supported by the pedestal and holds the gas cylinder so as to sandwich it between the pedestal and the pedestal. It is equipped with and. Further, the cradle can be configured to have a fixing means that is rotatable with respect to the base fixed to the machine base with the support arm about the horizontal axis as a fulcrum and is fixed in a gas cylinder mounting posture. Further, the pedestal is formed with a supporting surface in which both end portions of an arc shape having a diameter smaller than the outer periphery of the gas cylinder to be mounted are contact portions with the gas cylinder, or the supporting arm is contacted at least at the tip with respect to the peripheral surface of the gas cylinder. A contact can be provided.

[0005]

According to the invention of claim 1, since the gas cylinder is held so as to be sandwiched between the pedestal and the support arm, the pedestal and the support arm are provided even if the gas cylinders have different diameters. The different diameters can be absorbed by bringing the sandwich between and into and out. That is, when viewed in a circular cross section, the gas cylinder is supported by the pedestal at two locations and by the support arm at positions symmetrical to the two locations, so that the diameter of the cylinder to be held is not selected. According to the second aspect of the present invention, the pedestal and the support arm are rotatable with respect to the base fixed to the machine base, so that when the gas cylinder is replaced, the gas cylinder can be easily lifted and unloaded. You can move to. According to the invention of claim 3, as long as the gas cylinder has a diameter larger than the diameter of the arc shape of the contact portion, the gas cylinder is supported by the pedestal at two positions of both ends of the arc shape regardless of the diameter. According to the invention of claim 4, the gas cylinder is supported at least at three points by the pedestal and the support arm.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment in which a gas cylinder holding device according to the present invention is applied to a forklift will be described with reference to the drawings. FIG. 1 is an exploded perspective view of the gas cylinder holding device, and FIG. 2 is an assembly view of the gas cylinder holding device. In each drawing, 1 is fixed to a portion corresponding to a counterweight of a machine base 2 with bolts or the like, and both sides are fixed. The bases 3 provided with the standing plates 1a and 1a are the receiving plates 3a and 3a each having a supporting surface formed on the upper edge in a circular arc shape having a diameter smaller than the outer circumference of the gas cylinder. 1
Inside the a and 1a, a pedestal 4 having an end that is integrally connected by a connecting plate 3b while keeping a space that can be placed parallel to the standing plate 1a apart from the standing plate 1a has an inner edge from the outer periphery of the gas cylinder. A pair of left and right support plates 4 cut out in an arc shape with a small diameter
a and 4a are the receiving plates 3a and 3a of the receiving table 3, respectively.
It is a support arm that is integrally connected to the inside of 3a by a connecting rod 4b while keeping a space that can be arranged parallel to the receiving plate 3a.

The standing plates 1a, 1a of the base 1, the receiving plates 3a, 3a of the receiving stand 3, and the supporting plate 4 of the supporting arm 4.
a and 4a, supporting shaft insertion holes 5, 5 ...
And the base 1, the pedestal 3 and the support arm 4 are arranged side by side through spacers 6, 6 ... from the outer sides in order of the standing plate 1a, the receiving plate 3a and the supporting plate 4a. .. are aligned so that the support shaft insertion holes 5, 5, ... Are coaxially arranged, and the horizontal support shaft 7 is inserted into the support shaft insertion holes 5, 5 ,. Both the base 3 and the support arm 4 are rotatably assembled to the base 1 with a support shaft 7 as a fulcrum.

The base 1 has a standing plate 1a on one side,
A lock pin 8 is provided, the tip of which protrudes toward the inner surface of the upright plate 1a by a spring force, and a lock having a pin insertion hole 9a is provided on the side surface of the receiving plate 3a corresponding to the lock pin 8 in the receiving base 3. When the member 9 is provided and the cradle 3 is fully rotated to the front side, the tip of the lock pin 8 projecting on the inner surface of the upright plate 1a slides outwardly while slidingly contacting the lower end taper surface of the lock member 9. When pushed back and the pin insertion hole 9a coincides with the axis of the lock pin 8, the tip of the lock pin 8 is inserted into the pin insertion hole 9a by the spring force, whereby the pedestal 3 is fixed to the base 1. Further, a fixed rod 10 is provided between the receiving plates 3a of the receiving table 3 and 3a.
, While supporting plates 4a, 4 of the supporting arm 4 are installed.
A latching plate 11 is provided between a and is engaged with the fixed rod 10 when the support arm 4 is rotated rearward. In the state where the cradle 3 is fixed to the base 1, only the support arm 4 is provided. It is not possible to rotate the rearward any further. Further, a back plate 12 is installed between the rear end support plates 4a, 4a of the support arm 4.

A base end portion of a fastening belt 13 having an engaging fitting 13a at its tip is fixed to the connecting plate 3b of the cradle 3 via a bracket 13b, while a connecting rod 4b of the support arm 4 is fixed to the connecting rod 4b. , The fastening fitting 1 corresponding to the engaging fitting 13a
4 is attached via a pivoting member 14a. The connecting plate 3b has a plurality of bracket mounting holes 15, 1
.. are provided, the length of the fastening belt 13 can be adjusted by selecting the mounting position of the bracket 13b, and the position of the fastening metal fitting 14 can be adjusted by the screwing length with respect to the pivotal attachment member 14a. (See FIGS. 8, 9 and 10).

The base 1 is fixed so that its rear end is located near the rear end of the machine base 2, and the support arm 4 is rotated together with the receiving base 3 to an angle until the front end thereof is directed obliquely downward and rearward. Is possible. When the support arm 4 is fully rotated rearward, the back plate 12 contacts the rear surface of the machine base 2 and is stably supported at a predetermined angle.

In order to hold the gas cylinder 15 in the gas cylinder holding device, first the holder 3 is tilted forward and the lock pin 8 is inserted through the pin insertion hole 9a.
And the supporting arm 4 is rotated rearward until the fixing rod 10 and the locking plate 11 come into contact with each other to open the upper part of the pedestal 3 so that the gas cylinder 15 in the horizontal position is fixed to both the receiving plates 3a and 3a. It is mounted on a support surface having an arcuate cutout. Next, the support arm 4a is rotated forward to press the abutting portion of the tip against the circumferential surface of the gas cylinder 15, and finally is fastened to the engaging fitting 13a of the fastening belt 13 that has bypassed the front outer circumference of the gas cylinder 15. The metal fitting 14 is engaged and tightened (FIG. 3).

The gas cylinder 15 held by the gas cylinder holding device in this way is, as shown in FIG.
Thus, the contact portions A and B (D) corresponding to the arcuate end portions of the pedestal 3 come into contact with each other, and the support arm 4 also comes into contact with the contact portion C corresponding to the tip of the support arm 4 on which the largest supporting force acts. It is supported at a total of three places. Therefore, if the diameter of the gas cylinder 15 is larger than the circular arc shape of the pedestal 3, the gas cylinder 15 is supported by the three contact points A, B (D) and C as shown in the figure, and the gas cylinders of different diameters are supported. Even it can be installed. In the support arm 4 of the above-described embodiment, the contact portion D on the base end side is located at the same position as the contact portion B of the pedestal, and as a result, the gas cylinder 15 is supported at three points. As illustrated in FIG. 5, the surface of the support arm 4 facing the gas cylinder has a shape symmetrical with the pedestal 3, that is, an arc shape having a diameter smaller than the outer circumference of the gas cylinder, and two portions of the tip and the base end are in contact with each other. , D, and a total of four points may be supported. Further, as shown in FIG. 6, the support surface of the pedestal 3 is formed so that the two sides of the V-shape are the contact portions A and B with the gas cylinder 15, and the support surface of the support arm 4 on the base end side is formed. The contact portion may be omitted, and further, as illustrated in FIG. 7, the cradle 3 (support arm) may be formed by a plate curved into an arc smaller than the diameter of the gas cylinder 15, or, although not shown, The pedestal supports the peripheral surface of the gas cylinder at two locations, such as by arranging three or more plates and support plates side by side or arranging only one support arm at a position that is in the middle of the receiving plate, and at the symmetrical part. By holding the gas cylinder so as to be sandwiched between the pedestal and the support arm by abutting the arm, and by fastening the outer circumference of the gas cylinder with the fastening belt, the structure of any of the above-described embodiments can be used as long as the diameter of the cylinder is not selected. Limited to There. It should be noted that although the rotation angle of the support arm changes and the length of the fastening belt changes due to the difference in the diameter of the gas cylinder, the mounting position of the bracket and the screwing length of the bracket are adjusted, and the elastic belt Can be handled by adopting.

The gas cylinder holding device of the above embodiment is
Since the pedestal 3 and the support arm 4 are rotatable, when removing the gas cylinder, the fastening belt 13 is removed while the pedestal 3 is fixed to the base 1, and the support arm 4 is pivoted rearward. In addition to releasing the holding and lifting the gas cylinder 15, the lock pin 8 is pulled to the side to unlock the pedestal 3, and the gas cylinder 15 held by the pedestal 3 and the support arm 4 is hung. Three
And the support arm 4 together with the support arm 4 to the rear side to rotate the gas cylinder 15
To the rear side of the machine base 2, remove the fastening belt 13,
The gas cylinder 15 can be removed by rotating the pedestal 3 to the front side (FIG. 8). In that case, when the base 1 is fixed to the rear end of the machine base 2, if the pedestal 3 and the support arm 4 are rotated rearward until the gas cylinder 15 is held, as shown in FIG. Since 15 goes down to the lower position at the rear of the machine, it becomes easier to replace the cylinder. In the gas cylinder holding device of the above-mentioned embodiment, since the locking plate 11 is locked to the fixed rod 10 and the support arm 4 is rotated rearward together with the pedestal 3, the fastening belt 13 is removed. After that, the gas cylinder 15 can be rotated backward together with the support arm 4 and the cradle 3 (see FIG. 1).
0).

Further, as described above, the pedestal 3 and the support arm 4 are provided.
Since the gas cylinder can be supported by the support arm in the state in which and are rotated to the rear side, the process reverse to the removal of the gas cylinder, that is, the pedestal 3 is rotated to the front side and the support arm 4 is rotated. The support plates 4a, 4a are brought into contact with each other so that the peripheral surfaces of the gas cylinders 15 contact each other.
The gas cylinder 15 is placed on a and 4a, the pedestal 3 is rotated rearward and fastened with the fastening belt 13, and then the pedestal 3 and the support arm 4 are rotated forward together with the gas cylinder 15. You may fix it by fixing it.

The gas cylinder holding device of the above embodiment is
The pedestal and the support arm both have a structure in which the side edge portions of the plate-shaped receiving plate and the supporting plate are brought into contact with the peripheral surface of the gas cylinder, and the supporting arm is connected to the receiving base with a fastening belt. The arm is fixed in a state of being brought into contact with the outer peripheral surface of the gas cylinder, but the receiving portion of the pedestal and the abutting portion of the support arm may be appropriately changed other than the form exemplified in the above description, The fixing means of the (support arm and) pedestal is not limited to the structure of the embodiment, and well-known fixing means can be adopted. (For the support arm, for example, a spring for biasing the contact portion toward the gas cylinder and , A mechanism that can be fixed by pressing with a ratchet mechanism that prevents return is adopted, or the cradle may be fixed so that the base is abolished and the cradle is fixed directly to the machine base so that it cannot rotate. Can, cradle If a stationary, a fixed rod, the hooking plate, the back plate and the like is omitted. Further, even if the fastening belt 13 is attached to the base 1 instead of the cradle 3, the same effect as in the present embodiment is obtained. Furthermore, the gas cylinder holding device of the present invention is applicable not only to forklifts but also to other industrial vehicles, and the mounting position can be freely selected.

[0016]

Since the gas cylinder holding device of the present invention is a general-purpose type capable of holding gas cylinders having different diameters, it is not necessary to manufacture a plurality of types according to the diameters of the cylinders. The support arm can rotate together with the pedestal to change the cylinder replacement position, and the arc shape with a diameter smaller than the cylinder diameter makes it reasonable to support gas cylinders with different diameters at two locations. By the three-point support with the tip portion of the support arm on which the largest support force acts, the maximum support effect can be obtained with the minimum contact portion.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a gas cylinder holding device of an embodiment.

FIG. 2 is an explanatory view of the assembled gas cylinder holding device.

FIG. 3 is an explanatory diagram showing an example of mounting a gas cylinder.

FIG. 4 is an explanatory diagram showing a holding state of a gas cylinder.

FIG. 5 is an explanatory diagram showing a modified example of a support arm.

FIG. 6 is an explanatory diagram showing a modified example of a pedestal and a support arm.

FIG. 7 is an explanatory diagram showing an example of changing a cradle.

FIG. 8 is an explanatory diagram showing an example of removing the gas cylinder.

FIG. 9 is an explanatory diagram in which the pedestal and the support arm are rotated rearward while holding the gas cylinder.

FIG. 10 is an explanatory diagram in which the fastening belt is removed and the pedestal and the support arm are rotated rearward.

FIG. 11 is an explanatory diagram showing a mounting position of a gas cylinder.

FIG. 12 is an explanatory view showing a conventional gas cylinder holding device.

FIG. 13 is an explanatory view showing a conventional gas cylinder holding device.

[Explanation of symbols]

1 .. Base 1a .. Standing plate 2 .. Machine stand 3 .. Cradle 3a .. Catch plate 3b .. Connection plate 4 .. Support arm 4a .. Support plate 4a .. Support plate 4b .. Connecting rod, 5 ... Support shaft insertion hole, 6 ... Spacer, 7 ... Support shaft, 8 ... Lock pin, 9 ... Lock member, 9a ... Pin insertion hole, 1
0 ... Fixing rod, 11 ... Latch plate, 12 ... Back plate, 13 ... Tightening belt, 13a ... Engaging metal fitting, 13b
..Brackets, 14..Clamps, 14a..Pivot members, 15..Gas cylinders, 16..Holders, 16a ..
Supporting surface, 17 ... Cradle, 17a ... Supporting surface, 18 ...
Band member, 18a ... Supporting surface, A, B, C, D ... Contact portion.

Claims (4)

[Claims] 1. A gas cylinder holding device for mounting a gas cylinder in a horizontal position on an industrial vehicle, which can be fixed at a predetermined position of a machine base and has a circular cross section when viewed.
A pedestal that abuts at two points on the peripheral surface to support the gas cylinder, and is rotatably attached with a horizontal axis parallel to the gas cylinder when placed on the machine side as a fulcrum,
A gas cylinder holding device for an industrial vehicle, comprising: a support arm of the gas cylinder supported by the cradle, and a support arm that abuts a peripheral surface of the gas cylinder at a symmetrical position to hold the gas cylinder between the cradle and the cradle. . 2. The receiving base has a fixing means that is rotatable with respect to the base fixed to a machine base with the support arm about the horizontal axis as a fulcrum and is fixed in a gas cylinder mounting posture. A gas cylinder holding device for an industrial vehicle according to 1. 3. The gas cylinder for an industrial vehicle according to claim 1 or 2, wherein the pedestal is provided with a supporting surface having arcuate end portions having a diameter smaller than the outer periphery of the gas cylinder to be mounted, the supporting surfaces being contact portions with the gas cylinder. Holding device. 4. The gas cylinder holding device for an industrial vehicle according to claim 1, wherein at least a tip of the support arm is a contact portion with respect to a peripheral surface of the gas cylinder.