JP2015199600A - Endless winch, and moving method of rope using endless winch - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an endless winch and a moving method of a rope using the endless winch which is easy in maintenance work and rope winding work and excellent in safety.SOLUTION: An endless winch comprises: a winch body 3 mounted to a drive shaft that is rotatably pivoted, and provided with a winding drum 6 in which a groove 5 for winding a rope along the outer peripheral edge is formed; and a lid body 2 crowned on the winch body 3. A movable roller body 9 located on the outer periphery of the winding drum 6 and stretched along the groove except for take-in and take-out portions of the rope to the groove 5 side is mounted to the lid body.

Description

Detailed Description of the Invention

The present invention relates to a winch and a rope moving method using the winch, and in particular, an endless winch installed at an intermediate portion of the rope without the end of the rope being fixed to the winch and the endless winch. It relates to a method of moving the rope.

Conventionally, an endless winch is attached to a rectangular winch main body, a rectangular lid attached to the winch main body, a drive shaft rotatably supported on the winch main body, and the drive shaft. A winding drum that rotates along with the rotation of the drive shaft, a groove that is formed along the outer peripheral edge of the winding drum and winds the rope, and along the groove except for the portion where the rope is taken into and out of the groove. And a pair of guide sheaves pivotally supported on the winch body so as to move the rope into the groove and move the rope out of the groove. ing.

The endless winch is generally used for opening / closing movement of a ball-proof net in a ball game / golf driving range, moving up / down, opening / closing movement of a large tent, or lifting / lowering work gondola.

The rope wound around the groove of the winding drum is different in the load applied to the rope (the load of the ballproof net, etc.) on the side taking in the winch body and the side taking out from the winch body, and one of them is strongly pulled. The other will relax.

For this reason, the moving roller body of the endless winch is normally separated from the guide roller and the moving roller body (Japanese Patent Laid-Open No. 2000-351580, Patent Document 1) in which both ends are connected to the elastic body. It is pressed by a body pressing member (Japanese Patent Laid-Open No. 2013-221926, Patent Document 2), and the rope moves smoothly while eliminating the loosened portion of the rope.

Problems to be solved by the invention

However, the endless type winch usually takes the end of the rope from the guide sheave on one side into the groove of the winding drum, winds the rope along the groove while rotating the winding drum, and the guide sheave on the other side. In order to attach the rope to the winch by pulling out the rope, remove the rope from the ball-proof net at the time of maintenance work, etc., pull out the rope from the groove of the winding drum, and wind the rope again after the work After winding in the groove of the drum, it had to be connected to the net, and there was a drawback that the work was complicated.

In addition, the moving roller body has a different amount of wear on the strong pulling side and the loose side of the rope, and the rope is frequently replaced. However, it is difficult to remove the rope from the endless winch. There was a drawback that it took time.

In addition, since the moving roller body is attached to the winch body, the exchanging operation of the worn moving roller body must be performed by removing the winch body or replacing it, or removing the moving roller body from the winch body in the installed state. In other words, there is a drawback that the work is complicated or the work must be performed in a narrow space.

Furthermore, since the guide sheave is attached to the winch body, it has to be attached by changing the attaching direction of the winch along the moving direction of the rope, and there is a problem that the installation position is limited.

Therefore, the present invention solves the above-mentioned problem, and the rope can be smoothly taken out and taken into the groove of the winding drum, the maintenance work can be easily performed in a state where the rope is suspended, and the safety is ensured. It is an object to provide an excellent endless winch.

Means for solving the problem

An endless winch as a solution of the present invention that solves the above-mentioned problems is attached to a drive shaft that is rotatably supported and winds a rope along an outer peripheral edge. In an endless winch composed of a winch body provided with a winding drum having a groove and a lid attached to the winch body, the lid is positioned on the outer periphery of the winding drum. In addition, a moving roller body stretched along the groove except for the portion taken in and taken out from the groove side of the rope is attached.

In addition, an endless winch as another means for solving the above-mentioned problems is a rotation of a drive shaft that is rotatably supported by a winch body on which a lid body is crowned. In the method of moving a rope using an endless winch that moves the rope along a groove formed on the outer peripheral edge of the winding drum by rotating the winding drum attached to the drive shaft, In the moving step, the rope is pressed to the groove side by the moving roller body attached to the lid body and stretched along the groove of the winding drum, and the rope is taken in and out of the groove side. The rope is taken in and taken out from the winch body by a guide sheave rotatably attached to the lid.

Effects of the invention

The effects of the endless winch and the rope moving method using the endless winch of the present invention will be described.

The endless winch according to claim 1, wherein an endless winch is first installed in a predetermined space, and then the outer peripheral edge of a winding drum which is rotatably attached to the winch body by removing the lid of the winch. A rope suspended along a groove formed on the wire is wound.

After that, by reattaching the lid body to the winch body, the moving roller body stretched on the lid body is positioned on the outer periphery of the groove of the winding drum, and the rope wound around the groove is grooved. Can be pressed to the side.

In this state, by rotating the drive shaft and rotating the winding drum, the rotation can be transmitted to the rope without waste and moved smoothly.

When the rope is removed from the endless winch for maintenance work or the like, first, the cover body is removed from the winch body, and at the same time, the moving roller body can be detached from the groove of the winding drum.

In this state, the rope is detached from the groove and maintenance work is performed.

And after completion | finish of work, such as a maintenance, a rope can be pressed to the groove | channel side with a moving roller body by winding a rope around the groove | channel of a winding drum again, and attaching a cover body to a winch main body.

Thus, since the endless type winch of the present invention has the moving roller body attached to the lid body, the moving roller body is removed from the groove of the winding drum by removing the lid body from the winch body. The outside of the groove is opened, the rope can be easily attached and detached, and maintenance work and the like can be easily performed.

Moreover, the pressing to the groove side of a rope by a moving roller body can also be performed appropriately.

Next, in the method of moving the rope using the endless winch according to claim 2, the drive shaft pivotally supported on the winch body is rotated and the winding drum provided on the drive shaft is rotated, In the step of moving the rope wound around the groove formed on the outer peripheral edge of the winding drum, after the rope is wound around the groove of the winding drum, the lid is attached to the winch body A moving roller body stretched around the body is installed along the groove, and moves while pressing the rope toward the groove side.

At this time, the winch can be freely installed regardless of the direction of the rope tension by rotatably attaching the guide sheave to the lid according to the direction in which the rope is taken in and taken out from the groove of the winding drum. .

As described above, the rope moving method using the endless winch can be easily wound and removed from the groove of the winding drum in a situation where the rope is suspended, and depending on the direction in which the rope is suspended. By attaching the guide sheave, the rope can be easily moved with the winch body installed.

In addition, it is possible to smoothly replace the winch wear member.

In addition, the winch can be installed in a narrow space regardless of the moving direction of the rope, and the working efficiency can be greatly improved.

Next, an endless winch of the present invention and a rope moving method using the endless winch will be described with reference to the drawings.

FIG. 1 is a schematic plan view showing a first embodiment of an endless winch lid according to the present invention, and FIG. 2 is a schematic plan view showing a winch main body on which the lid of FIG. 3 is a schematic explanatory plan view showing a winch body with a lid attached thereto, FIGS. 4, 5 and 6 are schematic explanatory plan views showing other embodiments of the lid, and FIG. It is a flowchart of the moving method of the rope using a winch.

An endless winch 1 according to the present invention includes a substantially rectangular lid 2, a winch body 3 having the same shape that is attached to the lid 2, a pivotally supported by the winch body 3, and a drive source ( A drive shaft 4 that is connected to an electric motor or a manual handle) directly or via a speed increase / decrease device, and is driven to rotate along with the rotation of the drive shaft 4 attached to the drive shaft 4, and is substantially U-shaped on the outer periphery. And a circular winding drum 6 in which a groove 5 is formed.

In the lid 2, a rope 20 (in the present invention, a generic term for a winch wire, a pulling rope and other ropes) is taken into and taken out from the groove 5 of the winch body 3 in the vicinity of the winding drum 6. A pair of guide sheaves 7 (7A, 7B) that are pivotally supported so as to guide them, and the guide sheave 7 are attached along the groove 5 except for the portion where the rope 20 is taken in and out, and both ends are elastic. A moving roller body 9 connected to the body 8 is provided.

The moving roller body 9 is formed by connecting a plurality of rollers 9A, and the mounting position can be changed via a plurality of holes (not shown) formed in the lid body 2.

Similarly, the mounting position of the guide sheave 7 can be changed via a plurality of holes (not shown) formed in the lid 2.

In the above-described embodiment, the guide sheave 7 is rotatably attached to the lid body 2 so as to freely correspond to the direction in which the rope 20 is suspended. However, in the present invention, the attachment of the guide sheave 7 is not limited to this. For example, by attaching to the winch body 3 to be rotatable, it is possible to cope with the direction in which the rope 20 is suspended.

In the above embodiment, the moving roller body 9 is formed by connecting a plurality of rollers 9A. However, in the present invention, the configuration of the moving roller body 9 is not limited to this. 9 is composed of a plurality of rollers 9B individually stretched on the lid 2 so that the rope 20 can be pressed to the groove 5 side, and two or three are connected. It is also possible to press the rope 20 to the groove 5 side by configuring the roller 9C and the fixed pressing body 9D.

The endless winch 1 of the present invention is configured as described above, and a case where a rope is attached to the endless winch 1 will be described.

First, a lid 20 of an endless winch 1 installed in a predetermined space is removed from the winch body 2, and the rope 20 suspended from the winch body 3 in the groove 5 of the winding drum 6 attached to the drive shaft 4. After winding, the cover body 2 is attached to the winch body 3 so that the moving roller body 9 is installed along the groove 5 and the guide sheave 7 is taken in and out of the winch body 3 of the rope 20. Can be attached according to direction.

As a result, the rope 20 can be pressed toward the groove 5 by the moving roller body 9 and the endless winch 1 can be installed freely according to the direction in which the rope 20 is stretched.

Next, when performing maintenance work on the endless winch 1 and the rope 20, first, the guide body 7 and the moving roller body 9 are removed simultaneously by removing the lid body 2 from the winch body 3, and the winding drum opened. The rope 20 is removed from the groove 5 of 6, and the maintenance work of the endless winch 1 and the rope 20 is performed.

After completion of the work, the rope 20 is wound around the groove 5 of the winding drum 6 and the lid body 2 is crowned on the winch body 3 so that the rope 20 is moved toward the groove 5 by the moving roller body 9 and moved. The rope 20 can be taken into and out of the groove 5 by the guide sheave 7.

As described above, the endless winch 1 of the present invention can easily remove and attach the rope 20, and can efficiently perform maintenance work and the like.

In addition, the moving roller body 9 that is heavily worn can be easily replaced by simply removing the lid 2 from the winch body 3.

Schematic explanatory plan view showing the lid of the endless winch of the present invention Schematic explanatory plan view showing a winch main body on which the lid of FIG. Schematic explanatory plan view showing a winch body wearing the lid of the present invention Schematic explanatory plan view showing another embodiment of the lid Schematic explanatory plan view showing another embodiment of the moving roller body stretched on the lid Schematic explanatory plan view showing another working right of the moving roller body stretched on the lid The flowchart which shows the movement method of the rope using the endless type winch of this invention

1-endless winch, 2-lid body, 3-winch body, 4-drive shaft, 6-winding drum, 9-moving roller body

Claims (2)

A winch body provided with a winding drum that is attached to a drive shaft that is rotatably supported and has a groove that winds a rope along an outer peripheral edge, and a lid that is attached to the winch body In the constructed endless winch, the lid body has a moving roller body that is located on the outer periphery of the winding drum and is stretched along the groove except for the take-in and take-out portions of the rope. Endless winch characterized by being attached. By rotating a drive shaft that is rotatably supported by a winch body that is attached to the lid, and rotating a winding drum attached to the drive shaft, a groove formed on the outer peripheral edge of the winding drum is formed. In the method of moving a rope using an endless winch that moves the rope along the groove, a moving roller attached to the lid body and stretched along the groove of the winding drum in the step of moving the rope Endless, characterized in that the rope is pushed into the winch body with a guide sheave that is rotatably attached to the lid body along the direction of taking in and taking out the rope from the groove side, and the rope moves into and out of the winch body Move to the rope using the winch of the method.

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