JPH0442290Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) This invention relates to a rotating device for a drum for winding and supplying long objects such as hoses, electric wires, ropes, and belts.

(Prior art) In order to continuously wind up or send out a long object such as a hose, a drum is rotated by a rotating device, and the unwound hose, etc. is wound around the drum or removed from the drum. Continuously feeding out hoses, etc. is practiced.

Conventionally known devices for rotating this drum are equipped with receiving rollers arranged side by side, the drum is placed on the receiving rollers, and the receiving rollers are rotated. There is one in which the drum is rotated based on the frictional force of contact with the flanges on both sides in the axial direction.

(Problem to be solved by the invention) However, in this device, when setting a heavy drum (the drum itself or a drum with hoses etc. wound around it) on the receiving roller,
Alternatively, when replacing the drum on the receiving roller with another drum, the drum must be lifted with a lifting device such as a crane, which requires skill and is dangerous, and the crane and other devices are dangerous. There were some problems such as the necessity of

(Means for solving the problems) The rotating device of the present invention was devised to solve the above problems, and its gist is (a)
a drive roller disposed close to the floor surface, which contacts and supports the outer circumferential portion of the drum in a set state and rotates the drum based on the frictional force with the outer circumferential portion of the drum through its own rotation; A closed position and a closed position, which are arranged close to the floor surface at a position opposite to the drive roller with respect to a vertical plane passing through the axis of the drum in the set state, and which face each other in the direction of the axis of the drum. (c) a pair of support rollers that are rotated to open and close between an open position that is opened at a certain angle in a substantially horizontal direction; and (c) a drive device that drives the support rollers to open and close; In its open state, it opens a path for the drum to roll through, and in its closed state, it rolls between the supporting rollers and pushes up the lower part of the outer periphery of the drum that is in contact with the drive roller, thereby pushing the drum into the The drum is lifted up to a set position where it is raised a certain amount from the floor surface, and the drum is selected to be rotatably supported in the closed position.

(Function) According to the device of the present invention, the drum can be set at a predetermined position in the following manner. That is, with the pair of rotatable support rollers in an open state, the drum is passed between the pair of support rollers and brought into contact with the drive roller while rolling on the floor surface. Next, when the drive device is actuated to close the support roller, the support roller closes the passage and first contacts the lower part of the outer periphery of the drum, specifically, the lower part of the outer periphery on the opposite side of the drum's ground contact area from the drive roller. The support roller that contacts the drum and then raises the drum to a set position where it is a certain distance above the floor based on the driving force of the drive device is provided close to the floor, that is, at a position lower than the axis of the drum. When the support roller is forcibly closed, the drum is lifted upward by the cam action of the circular drum outer periphery and the circular support roller outer peripheral surface (furthermore, the rotational action of the support roller). The support roller that floated the drum rotatably supports it as it is.

On the other hand, when replacing a drum that has been lifted to the set position with another drum, the support rollers are opened to the open position, the drum is grounded, and then rolled to the outside through the passage between the opened support rollers. It is then carried out, and then a new drum is set on the drive roller and support roller in the same manner as described above.

As described above, in the apparatus of the present invention, when setting a drum in a predetermined position or replacing a drum in a set position with another drum, there is no need to lift each drum one by one using a lifting device. Therefore, the work of setting or replacing the drum becomes simple and safe, and there is no need for a large lifting device such as a crane.

(Example) Next, an example in which the present invention is applied to a rotation device for a hose winding drum will be described in detail based on the drawings.

In FIGS. 1 to 4, 10 is a drum, which is provided with large-diameter flanges 12 on both sides in the width direction (axial direction). Reference numeral 14 denotes an underframe of a rotating device that rotationally drives this drum 10, and has a short side plate 16 and a bottom plate 18, and has a U-shaped cross section. A platform 20 is provided at one end (left end in FIG. 2) on which a guide device 19, which will be described later, is placed.

A pair of drive rollers 22 are disposed inside the underframe 14 at a position close to the floor surface. These drive rollers 22 are connected to the side plate 1 via bearings 24.
The rotary shaft 26 is fixed to a rotating shaft 26 supported by the rotary shaft 26, and rotates integrally with the rotating shaft 26. A sprocket 28 is also fixed to this rotating shaft 26, and the rotating shaft 26 is connected to a motor 30 via this sprocket 28 and a chain 29 wound around the sprocket, and the rotating shaft 26 and the driving roller 22 are connected to each other. It is designed to be rotationally driven by a motor 30.

On the other hand, the side plate 1 is located a predetermined distance away from the drive roller 22.
A pair of support rollers 32 are disposed at the tip of the roller 6 (the right end in FIG. 1) close to the floor surface. These support rollers 32 are attached to the side plate 16 via a vertical support shaft 34 and a bearing 36, as shown in FIG. It can be rotated to open and close between the open position and the open position.
Further, a cylinder 38 is fixed to this side plate 16, and the cylinder 38 is connected to the support roll 32 so as to be relatively rotatable, and the support roller 32 is driven to open and close by the expansion and contraction operation of the cylinder 38. There is. Note that the support roller 32 is 2 in FIG.
As shown by the dashed dotted line, the open position is selected such that the distance between the pair of support rollers 32 is wider than the width of the drum 10 in the open position. That is, when these support rollers 32 are opened, a passage is opened for the drum 10 to pass through.

On the other hand, the guide device 19 provided on the platform 20
The drum has a pair of guide rollers 40 and a main body 42, and the main body 42 is guided by a guide rod 44 and is movable in the width direction of the drum 10.

Next, the operation of this device will be explained.

First, as shown in FIG. 1, the drive cylinder 38 is extended to bring the pair of support rollers 32 into an open state as shown by two-dot chain lines. At this time, the distance between the pair of support rollers 32 becomes wider than the width of the drum 10.
That is, the passage for the drum 10 to pass through is in an open state. The drum 10 is then rolled on the floor as shown by the two-dot chain line in FIG. 3, and is pushed into the underframe 14 until it passes between the pair of support rollers 32 and comes into contact with the drive roller 22. When the drum 10 comes into contact with the drive roller 22, the cylinder 38 is contracted to forcibly close the support roller 32. Then, the support roller 32 first comes into contact with the lower part of the flange 12 of the drum 10, and then, due to the driving force of the cylinder 38, the cam action of the circular outer peripheral surface of the flange 12 and the circular outer peripheral surface of the support roller 32, and further the support roller The drum 10 is pushed upward based on the rotational action of the drum 32 itself. That is, the drum 10 is lifted to a set position (indicated by the solid line in FIG. 3) a small distance higher than the floor surface, and the drum 10 is rotatably supported together with the drive roller 22. Therefore, when the drive roller 22 is driven while operating the guide device 19, the hose 2 is continuously fed out from a predetermined feeding device.
5 is continuously and orderly wound around the drum 10.

On the other hand, in order to remove the drum 10 from above the drive roller 22 and support roller 32, the operation described above may be reversed. That is, the supporting rollers 32 are opened to release the support from the drum 20, and the drum 10 that is in contact with the floor is rolled and carried out of the underframe 14.

In this way, according to the apparatus of this example, a heavy drum can be easily set in a predetermined position simply by rolling it on the floor. This eliminates the need for conventionally required equipment such as a crane, and also simplifies the work, allowing the drum to be quickly set or replaced.

Although the embodiments of the present invention have been described in detail above, the present invention can also be configured in other forms.

For example, in the above embodiment, the drum is used for winding the hose, but as shown in FIG.
It is also possible to provide a guide roller 46 on the drum 10 either fixedly or movably in the axial direction of the drum 10 by the tension of the hose 25, and use the drum 10 for supplying a hose.

It is also possible to use a drive device other than the cylinder 38 as the drive device for the support roller 32.
In addition, 2
Instead of the individual drive rollers 22, the drum 10
It is also possible to arrange only one roller with a length greater than the width of . Similarly, regarding the support roller 32,
If it is less than half the width of the drum 10, it is possible to make it longer, or the support roller may be constructed in two stages, upper and lower, or the support roller may be provided with an auxiliary wheel that rolls on the floor. It is also possible to reduce the load on the mounting part. Furthermore, when the support rollers are arranged in two stages, each stage can be driven by a single drive device, or each stage can be driven by separate drive devices. In addition, the present invention can be applied to rotating devices for drums for winding and supplying electric wires, ropes, cables, belts, and other long materials, and various modifications can be made without departing from the spirit of the invention. It is possible to configure it in a different form.

(Effects of the invention) As described above, the present invention allows the drum to float or touch the floor by opening and closing the supporting rollers, and at the same time opens and closes the passage for rolling the drum. This is what was done.

This eliminates the need for a lifting device such as a crane that was previously required, simplifies the work of setting or replacing the drum, and eliminates the dangers associated with lifting the drum, ensuring work safety. Excellent effects such as reducing the number of personnel required to operate cranes, etc., are produced.

[Brief explanation of the drawing]

FIG. 1 is a plan view showing the inside of a rotating device that is an embodiment of the present invention, and FIG. 2 is a side view showing the inside of the same rotating device. 3 and 4 are a side view and a plan view, respectively, of the same rotating device. FIG. 5 is a front view (partially sectional view) of essential parts showing the support roller and its surroundings of the same rotating device, and FIG. 6 is a side view showing the inside of the rotating device which is another embodiment of the present invention. It is. 10... Drum, 12... Flange, 22... Drive roller, 25... Hose, 32... Support roller,
34... Support shaft, 36... Bearing, 38... Cylinder.

Claims (1)

[Scope of Claim for Utility Model Registration] A device for rotating a drum for winding and supplying long materials such as hoses, which is placed close to the floor and supports the outer periphery of the drum in a set state. a drive roller that rotates the drum based on the frictional force with the outer peripheral portion of the drum due to its own rotation; and a floor at a position opposite to the drive roller with respect to a vertical plane passing through the axis of the set drum. a pair of support rollers disposed close to the surface and rotated to open and close between a closed position facing each other in the axial direction of the drum and an open position opened at a certain angle in a substantially horizontal direction from the closed position; , a drive device that drives the support rollers to open and close, and the opening and closing positions of the support rollers are such that in the open state, a path is opened for the drum to roll through, while in the closing operation, the drive device is configured to rotate between the support rollers. A position where the lower part of the outer periphery of the drum that has passed through the drum and is in contact with the drive roller is lifted up to a set position where the drum is raised a certain amount from the floor surface, and the drum is rotatably supported in the closed position. A rotating device for a drum for winding and supplying long objects such as hoses, characterized by being selected as follows.