JPH0920492A - Hold suspending fixture for cylinder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform loading/unloading or the like to/from a loading space of a truck with a cylinder left as erected, so that damaging the cylinder can be prevented and labor of loading/unloading or the like can be reduced. SOLUTION: A fixed supporting arm 1 is formed in almost anchor hook shape, also to form a swivel support arm 2 into broken shape. One holding member 3 is supported on a lower end part of a longer suspension piece 1a of the fixed support arm 1, to supports the other holding member 4 on a lower end part of a suspension piece 2b of the swivel support arm 2. An intermediate part of the suspension piece 2b of the swivel support arm 2 is supported swivelably around a horizontal shaft on a lower end part of a shorter suspension piece 1b of the fixed support arm 1. By lifting a hoisting hook of a hoisting device hooked to a connection fitting 6 connected to a horizontal piece 2a of the swivel support arm 2, holding members 3, 4 are brought into contact with a barrel part of a cylinder B to hold it, and in this condition, the cylinder B is suspended.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cylinder holding and suspending device used for loading and unloading cylinders on a truck bed or transferring cylinders in a factory.

[0002]

2. Description of the Related Art Conventionally, when loading and unloading a gas cylinder onto a bed of a truck for transportation, an operator has dragged the gas cylinder to the bed or rolled it off the bed.

[0003]

The above gas cylinder is thick in order to have sufficient strength to withstand the gas pressure. However, as described above, when the gas cylinder is dragged up onto the truck bed or rolled down, The valve etc. may be damaged. Further, when a gas cylinder filled with liquid ammonia is used in a factory or the like, this gas cylinder is installed in a hot water tank to promote vaporization of the liquid ammonia. For this reason, it is necessary to transfer the gas cylinder in a factory or the like and attach it to the above-mentioned hot water tank, or to take it out from this hot water tank and transfer it.

However, since the gas cylinder is heavy,
There is a problem that it takes an excessive amount of labor for loading and unloading the truck onto the bed or transferring it in the factory. The present invention
The purpose is to prevent loading and unloading of trucks onto the bed of trucks and transportation within the factory while the cylinders are upright to prevent damage to the bottles and to reduce the labor for loading and unloading the above. .

[0005]

In order to achieve the above object, the present invention is configured as follows, for example, as shown in FIG. A holding and suspending device for suspending a body portion of a cylinder B while sandwiching the body portion thereof, which comprises a pair of support arms 1 and 2
Clamping members 3 and 4 that come into contact with the body of the cylinder B are arranged at the lower end of each of them so that these clamping members 3 and 4 face each other, and one support arm 1 is formed in a substantially U shape, and The supporting arm 2 is formed in a middle-bent shape, and one of the pair of opposing long and short hanging pieces 1a and 1b of one supporting arm 1 supports one holding member 3 at the lower end of the longer hanging piece 1a. , The other holding member 4 is supported on the lower end of the hanging piece 2b extending downward from the bent portion 2c of the other supporting arm 2, and the middle portion of the hanging piece 2b of the other supporting arm 2 is short on one supporting arm 1. A lower end of one hanging piece 1b is swingably supported around a horizontal axis, and a connecting piece 6 for engaging a hoisting device is attached to a horizontal piece 2a extending laterally from a bent portion 2c of the other supporting arm 2. It is a connection.

[0006]

The clamping and suspending device for a cylinder according to the present invention operates as follows, as shown in FIGS. 1 and 3, for example. When loading a cylinder B onto a truck bed or transferring it in a factory, the upright cylinder B is supported by one holding member 3 supported by one supporting arm 1 and the other supporting arm 2. After setting the holding suspending tool so as to be between the other holding member 4, the connecting tool 6 is hung (engaged) with a hoisting hook or the like of the lifting device.

After this, the hoisting hook is raised to raise the connector 6. As the connecting tool 6 rises, the connecting portion of the other supporting arm 2 with the connecting tool 6 on the laterally installed piece 2a moves upward. Then, the other support arm 2 is
The other holding member 4 is pressed against the body of the cylinder B by swinging in the clockwise direction.

Further, as the other holding member 4 moves to the cylinder B side, the distance between the holding members 3 and 4 is shortened, and one holding member 3 is also pushed to the cylinder B side to the body of the cylinder B. It is pressed. That is, the holding members 3 and 4 are both pressed against the body of the cylinder B, and the cylinder B is held by the holding members 3 and 4, as shown in FIG. By further raising the hoisting hook in this state,
The cylinder B is lifted by the hoisting hook while being held by the holding suspender.

Thereafter, when the hoisting hook is lowered and the cylinder B is grounded, the connecting tool 6 is lowered by its own weight, and the other supporting arm 2 swings counterclockwise in FIG. The other holding member 4 separates from the cylinder B. After that, the holding hanger is removed from the cylinder B.

[0010]

The present invention has the following effects because it is configured and operates as described above. Set the sandwiching suspending tool so that the upright cylinder is between the sandwiching members supported by both support arms, and hang (engage) the hoisting hook of the lifting device on the connecting tool. With the simple operation of raising the sting hook, you can suspend the cylinder and load it onto the truck bed or transfer it inside the factory. It will not be pulled up or will not be rolled down, damage to the valve of the cylinder can be prevented, and the labor for transporting the cylinder can be reduced.

When the connecting arm and the guide groove are provided, the vertical movement of the connecting tool hung on the hoisting hook or the like of the hoisting device causes the other supporting arm to swing around the horizontal axis via the connecting arm. Since it is smoothly converted into motion, the vertical movement of the hoisting hook or the like and the swing of the other support arm around the horizontal axis are smoothly interlocked.

Further, when the urging means and the lock mechanism are arranged, the support arm can be locked while holding both the sandwiching members at a predetermined interval, so that when the sandwiching suspending tool is set in the cylinder, it is supported. The arm sways and the holding member sways,
It is possible to prevent obstruction of the quick setting of the holding hanger to the cylinder.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a holding and suspending device for a cylinder according to the present invention will be described below with reference to FIGS. 1 to 4. FIG. 1 is a partial cross-sectional view of the above-mentioned clamping suspension. FIG. 2 is a side view of the holding and suspending device. FIG. 3 is a partial cross-sectional view showing a state in which the cylinder is clamped by the clamping suspension. FIG.
FIG. 4 is a sectional view taken along the line IV-IV of FIG. As shown in FIG. 1, this holding device is composed of a pair of left and right fixed support arms (one support arm) 1 and a swing support arm (the other support arm) 2 in a substantially hanger shape. The holding members 3 and 4 are arranged at the lower ends of the support arms 1 and 2 in a state where the holding members 3 and 4 face each other.

That is, the fixed support arm 1 has a pair of long and short hanging pieces 1a and 1b facing each other, and is formed in a substantially inverted U shape in FIG. The one holding member 3 is supported at the lower end. Further, the swing support arm 2 is formed in a middle bent shape, and has a bent portion.
A lateral piece 2a extends laterally (leftward in FIG. 1) from 2c, and a hanging piece 2b extends downward from the bent portion 2c. At the lower end of the hanging piece 2b, the other holding member 4 is supported by a swing shaft 23 so as to be swingable around a horizontal axis.

An intermediate portion of the hanging piece 2b of the swing support arm 2 is connected to the lower end of the shorter hanging piece 1b of the fixed support arm 1 by an arm support shaft 5, whereby the swing support arm 1b. 2 can swing about the horizontal axis with respect to the fixed support arm 1. On the other hand, a connecting tool 6 is arranged at the upper end of the fixed support arm 1. The connecting tool 6 is connected via a connecting arm 7 to the left end of the lateral piece 2a of the swing support arm 2.

That is, the connecting member 6 is composed of a ring-shaped ring portion 6a and a hanging piece 6b which is provided at the lower end of the ring portion 6a. The hanging piece 6b is connected to the connecting arm 7a.
Is connected to the upper end of the shaft by a connecting shaft 8 so as to be swingable around a horizontal axis. The lower end of the connecting arm 7 is connected to the lateral piece 2a of the swing support arm 2 by a connecting shaft 9 so as to be swingable around a horizontal axis.

The connecting shaft 8 is used for the fixed support arm 1.
Is fitted in a guide groove 12 formed in the up-down direction at the upper end of the. As a result, the connecting shaft 8 can only move up and down. Further, the connecting shaft 8 is provided with a pair of small arms 13 and 14
Is connected to the lock mechanism 15, and these small arms 13 and 14 are connected to a swing shaft 16 so as to be swingable around a horizontal axis. The upper end of the small arm 13 is supported by the upper end of the fixed support arm 1 so as to be swingable about a horizontal axis, and the lower end of the small arm 14 is connected to the connecting shaft 8 so as to be swingable about a horizontal axis. To be done.

Further, a projecting piece 13a is projected rightward from the lower end of the small arm 13, and the right end portion of the projecting piece 13a is
It is bent forward (left in FIG. 2). Then, as shown in FIG. 1, when the small arms 13 and 14 are bent in a dogleg shape, the projecting piece 13a comes into contact with the intermediate portion of the small arm 14 (the state of FIG. 1), and the small arms 13 and 14 Controls refraction to the left. At this time, the distance between the holding members 3 and 4 is larger than the diameter of the cylinder B (see FIG. 1).

The lateral piece 2a of the swing support arm 2 is also provided.
A spring (biasing means) 17 is arranged between the fixed support arm 1 and the fixed support arm 1. The spring 17 biases the left end of the swing support arm 2 upward, and gives the swing support arm 2 a moment in the clockwise direction in FIG.

As shown in FIG. 2, the fixed support arm 1 and the swing support arm 2 are formed of front and rear flat plates. The fixed support arms 1 and 1 are connected by a connecting member 21 with a predetermined gap, and the swing support arm 2 is interposed between two flat plates in front of and behind the fixed support arm 1. The rocking support arms 2 and 2 are connected by a connecting member 22 with a predetermined gap.

As shown in FIG. 4, the sandwiching members 3 and 4 are formed by flat plates whose surfaces facing each other are curved in an arcuate cross section. Thereby, when the cylinder B is sandwiched between the sandwiching members 3 and 4, the sandwiching members 3 and 4 can be brought into close contact with the peripheral surface of the body portion of the cylinder B.

Further, as described above, since the other holding member 4 is attached to the swing support arm 2 so as to be swingable around the horizontal axis, the holding member 4 is attached to the peripheral surface of the body of the cylinder B. Even if it abuts diagonally to the cylinder B, it swings around the swing shaft 23 and surely comes into close contact with the peripheral surface of the body of the cylinder B.

Further, elastic members 18 having a large friction coefficient such as rubber and synthetic resin are attached to the opposing surfaces of the sandwiching members 3 and 4, respectively. Then, when the cylinder B is sandwiched between the sandwiching members 3 and 4, the cylinder B is prevented from sliding down between the sandwiching members 3 and 4 due to the friction between the cylinder B and the elastic member 18.

A cylindrical body 24 is provided in the lower center of the fixed support arm 1, and the lower surface 24a of the cylindrical body 24 is opened. Then, in order to hold the upright cylinder B with the holding suspending tool, when the holding suspending tool is lowered from above the cylinder B, the valve portion V of the cylinder B is inserted into the tubular body from the opening of the lower surface 24a. It is inserted into the inside of 24, and the sandwiching hanger is guided so that the cylinder B is properly positioned between the sandwiching members 3 and 4.
(State of FIG. 3). Further, the tubular body 24 protects the valve portion V and prevents it from interfering with other objects.

Next, the operation of the holding and suspending device having the above structure will be described with reference to FIGS. 1 and 3. First, the connecting tool 6 is lowered to the lower end side of the guide groove 12, and the support arm 1 is moved.
・ Spread 2 left and right. In this state, the protruding piece 13a of the small arm 13 is pushed to the left side in FIG. 1 to bend the small arms 13 and 14 in a dogleg shape as shown in FIG.

Then, the connecting shaft 8 is moved by the spring 17.
Is urged upward through the connecting arm 7 so that the intermediate portion of the small arm 14 comes into contact with the protruding piece 13a of the small arm 13 (state of FIG. 1). As a result, the small arms 13 and 14 are restricted from bending to the left of the state of FIG. 1 and locked, and the locked small arms 13 and 14 prevent the connecting shaft 8 from moving upward. That is, the distance between the sandwiching members 3 and 4 remains widened.

Then, for example, when the cylinder B is loaded and unloaded on the bed (not shown) of the truck for transportation, the holding suspending tool in which the support arms 1 and 2 spread to the left and right are attached to the upright cylinder B. The valve portion V of the cylinder B is lowered from above and is loosely inserted into the tubular body 24 through the opening of the lower surface 24 a of the tubular body 24. As a result, the sandwiching suspending tool is set so that the cylinder B is properly positioned between the sandwiching members 3 and 4.

Subsequently, the hoisting hook of the crane arranged on the truck is attached to the ring portion 6a of the connector 6.
(Not shown) is hung (engaged) and the protruding piece 13a of the small arm 13 is pushed rightward in FIG.
・ Refract 14 to the right. Then, the small arms 13 and 14 are unlocked, and the middle portion of the small arm 14 is
Does not abut the protruding piece 13a (see FIG. 3). That is, the connecting shaft 8 can move up and down along the guide groove 12.

When the hoisting hook is raised as it is, the connecting tool 6 is moved up, the connecting shaft 8 is moved up along the guide groove 12, and the connecting arm 7 is pulled up.

As the connecting arm 7 rises, the left end side of the lateral piece 2a of the swing support arm 2 is lifted, and the swing support arm 2 swings clockwise about the arm support shaft 5, The other holding member 4 is pressed against the body of the cylinder B. Further, as the other holding member 4 moves to the cylinder B side, the distance between the holding members 3 and 4 decreases, and the one holding member 3 is also pushed to the cylinder B side and pressed against the body of the cylinder B.

That is, the holding members 3 and 4 are both pressed against the body of the cylinder B, and the cylinder B is held by the holding members 3 and 4. When the hoisting hook is lifted in this state, the cylinder B is lifted together with the holding hanger and lifted. Then, the hoisting hook is lowered to ground the cylinder B to the truck bed.
Then, the connecting tool 6 descends by its own weight, and the connecting shaft 8 descends along the guide groove 12, whereby the connecting arm 7 descends.

As the connecting arm 7 descends, the left end of the lateral piece 2a of the rocking support arm 2 lowers, and the rocking support arm 2 rocks counterclockwise about the arm support shaft 5, The other holding member 4 separates from the body of the cylinder B. In this state, when the protruding piece 13a of the small arm 13 is pushed to the left side in FIG. 1 to bend the small arms 13 and 14 into a dogleg shape, as described above, the interval between the holding members 3 and 4 is widened. Leave. As a result, the gripping suspending tool from the cylinder B can be easily removed.

As described above, by setting the holding suspender on the cylinder B and lifting the connecting tool 6 with the hoisting hook, the cylinder B can be suspended by the hoisting hook in an upright state. Therefore, the heavy cylinder B can be loaded / unloaded on the bed of the truck or transferred in the factory by a simple operation.

The above embodiment can be modified as follows. Similarly to the holding member 4 of the swing support arm 2, the holding member 3 of the fixed support arm 1 is fixed via the shaft.
It may be attached to be swingable. In addition, the holding member 3
-4 may be planar. Further, the sandwiching members 3 and 4
May be divided into a plurality of parts.

Further, the lock mechanism 15 is not limited to the one constituted by the small arms 13 and 14,
It suffices to prevent the connecting shaft 8 from moving upward in the locked state and hold the sandwiching members 3 and 4 while keeping the gap therebetween. The connecting tool 6 may have any shape as long as it can be engaged with a hoisting hook or the like of the hoisting device, and may be formed in a hook shape, for example.

Further, the connecting tool 6 is attached to the swing support arm 2
Even if it is directly connected to the horizontal piece 2a, it is possible to hang the hoisting hook on the connecting tool 6 and lift it, and suspend the cylinder B with the hoisting hook.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional view showing an embodiment of a holding and suspending device for a cylinder of the present invention.

FIG. 2 is a side view of the sandwich hanging device.

FIG. 3 is a partial cross-sectional view showing a state in which a cylinder is clamped by the clamping suspension.

FIG. 4 is a sectional view taken along line IV-IV in FIG. 3;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Fixed support arm (one support arm), 1a and 1b ... Hanging piece of a fixed support arm, 2 ... Oscillation support arm (other support arm), 3 ... One holding member, 4 ... The other holding member,
6 ... Connector, B ... Cylinder.

Claims (3)

[Claims] 1. A holding and suspending device for suspending a body part of a cylinder (B) while sandwiching the body part of the cylinder (B), wherein a lower end part of a pair of support arms (1) and (2) is attached to the body part of the cylinder (B). The sandwiching members (3) and (4) that come into contact with each other are
(3) and (4) are arranged so as to face each other, the one support arm (1) is formed in a substantially U-shape, and the other support arm (2) is formed in a middle-folded shape. Of the pair of long and short hanging pieces (1a) (1b) facing each other on one support arm (1), the one holding member (3) is supported on the lower end of the longer hanging piece (1a), The other holding member is provided at the lower end of the hanging piece (2b) extending downward from the bent portion (2c) of the other support arm (2).
(4) is supported, and the middle portion of the hanging piece (2b) of the other supporting arm (2) is attached to the lower end of the shorter hanging piece (1b) of the one supporting arm (1) around the horizontal axis. A connecting tool that is swingably supported and that engages with a hoisting device on a horizontal piece (2a) that extends laterally from the bent portion (2c) of the other support arm (2).
(6) is connected, The holding tool of the cylinder characterized by the above-mentioned. 2. The clamping and suspending device for a cylinder according to claim 1, wherein the lateral piece (2a) of the other supporting arm (2) and the connecting device.
A connecting arm (7) is interposed between (6) and the connecting arm (7) and the lateral piece (2a) of the other supporting arm (2) are connected so as to be swingable around a horizontal axis. In addition, the connecting arm (7) and the connecting tool (6) are connected together.
(8) is swingably connected about a horizontal axis, and a guide groove (12) extending in the vertical direction is provided in an upper portion of the one support arm (1), and the connecting shaft is connected to the guide groove (12).
(8) Fitted so that it can slide up and down. 3. The holding device for holding a cylinder according to claim 2, wherein the other holding member supported by the other support arm (2).
The other support arm (2) so that (4) swings toward the one holding member (3) side supported by the one support arm (1).
A lock for restricting the swinging of the other holding member (4) to the one holding member (3) side is provided between the support arms (1) and (2) by urging means (17) for urging the other holding member (1) (2). The mechanism (15) is provided on the one supporting arm (1).