JP6206770B2 - Endless winch - Google Patents

Description

Detailed Description of the Invention

The present invention relates to a winch, and more particularly, to an endless winch installed at an intermediate portion of a rope without the end of the rope being fixed to the winch.

Conventionally, an endless winch includes a rectangular winch body, a drive shaft rotatably supported on the winch body, a winding drum attached to the drive shaft and rotating as the drive shaft rotates, A groove formed along the outer peripheral edge of the winding drum and wound around the rope; and a moving roller body provided to press the rope along the groove except for a portion where the rope is taken into and taken out from the groove; The rope is composed of a pair of guide sheaves that are pivotally supported on the winch body so as to take in and move the rope to the groove side and to take out and move the rope from the groove.

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.

Further, there is a drawback that the rope cannot be smoothly moved to the groove side when the end of the moving roller body is strongly pressed.

Accordingly, the present invention solves the above-described problems, and provides an endless winch that can smoothly take out and incorporate a rope into a groove of a winding drum, is easy to perform maintenance work, and is excellent in safety. It is an object to do.

Means for solving the problem

As described in claim 1, an endless winch as a means for solving the above-described problems is a winch body on which a drive shaft is rotatably supported, and an outer peripheral edge attached to the drive shaft. A winding drum formed with a groove for winding the rope along the rope, a pair of guide sheaves rotatably supported on the winch body, and taking in and taking out the rope, and the grooves excluding the guide sheave portion. And an endless winch composed of a movable roller body having elastic bodies connected to both ends, the movable roller body is attached to the plate body in a tensioned state with an elastic body, The plate is detachably attached to the winch body .

An endless winch as another means for solving the above-mentioned problems is provided with a winch body on which a drive shaft is rotatably supported, and an external winch attached to the drive shaft. A winding drum formed with a groove for winding the rope along the periphery, a pair of guide sheaves rotatably supported on the winch body, and taking in and taking out the rope, and the guide sheave portion except for the guide sheave portion. In an endless winch configured with a moving roller body attached along the groove and having an elastic body connected to both ends, the moving roller body is attached to the plate body in a tensioned state with an elastic body, the plate body is rotatably supported on the winch body at the apex portion, a part or entirety is constituted rotatably in a direction away the winding drum with respect to the winch body And said that you are.

Effects of the invention

The effects of the endless winch of the present invention will be described.

First, the endless winch according to claim 1 is provided with an endless winch, and a moving roller body attached to the plate body in a state of being tensioned by an elastic body is removed from the winch body, and a winding drum is provided. Open the groove.

In this state, the rope spanned endlessly is wound around the groove of the winding drum to attach the rope, and then the plate body to which the moving roller body is attached is attached to the winch body again, so that the rope is attached. The groove can be pressed.

As a result, the rope can be smoothly moved by the endless winch.

Also, when removing from winch endless type rope, an attached plate member of the moving roller body similarly releases the pressing of the removal from the winch body, the groove side of the rope, is taken out of the groove of the winding drum rope .

Then, after the work is completed, the moving roller body is attached to the winch body again.
Therefore, maintenance work of the endless winch 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, the endless winch described in claim 2 is pivotally supported on the winch body so as to be rotatable at the apex portion, and a part or the whole of the plate body to which the moving roller body is attached is wound around the winch body. It rotates in the direction away from the rotating drum to open the groove of the winding drum.

In this state, the rope is wound along the groove of the winding drum, and the plate attached with the moving roller body is rotated again to the groove side of the winding drum, thereby pressing the rope toward the groove side. Can do.

Also, when removing the groove of the rope, to open the grooves of the winding drum rotates in the direction away from the grooves of the winding drum part or the whole of the attached plate member of the moving roller body at the same time.

Further, when removing the rope from the groove, similarly, a part or the whole of the moving roller body is rotated in a direction away from the groove of the winding drum to open the space between the grooves of the winding drum.

After that, remove the rope from the groove, perform the rope maintenance work, wind the rope again along the groove, rotate the plate with the moving roller body to the groove side again, and press the rope to the groove side To do.

As described above, the endless winch of the present invention can be easily replaced and maintained in a state where the rope is attached, and can be easily installed with the endless winch installed. Exchange work etc. can be performed.

In addition, maintenance work and the like can be performed smoothly, and work efficiency can be significantly improved.

Next, the endless winch of the present invention will be described with reference to the drawings.

FIG. 1 is a schematic plan view showing a first embodiment of a moving roller body used in an endless winch of the present invention, and FIG. 2 is a schematic plan view showing an endless winch in which the moving roller body of FIG. 1 is installed. FIG. 3 is a schematic explanatory plan view showing a second embodiment of the moving roller body, and FIG. 4 is a schematic explanatory plan view showing the opening and closing movement of FIG.

An endless winch 1 of the present invention is supported by a substantially rectangular winch main body 2 and a winch main body 2 so as to be rotatable, and directly or via a speed increasing / decreasing device or the like on a drive source (an electric motor or a manual handle). A drive shaft 3 coupled to the drive shaft 3 and a circular winding drum 5 attached to the drive shaft 3 and driven to rotate as the drive shaft 3 rotates, and having a substantially U-shaped groove 4 formed on the outer peripheral edge thereof. In the vicinity of the winding drum 5, a rope (in the present invention, described as a general term for a winch wire, a pulling rope and other ropes) is introduced into the groove 4 of the winch body 2 and taken out from the groove 4 to guide the winch. A pair of guide sheaves 6 (6A, 6B) rotatably supported on the main body 2 and the guide sheave 6 are attached along the groove except for the portion where the rope 20 is taken in and out, and both ends are elastic bodies. And a moving roller body 7 linked to.

The moving roller body 7 is formed by connecting a plurality of rollers 7A, and is attached to a substantially U-shaped plate body 9 in a state where tension is applied to both ends by an elastic body 8 such as a spring. The body 9 is configured to be detachably attached to the winch body 2 (a screw is attached to the winch body 2 or a slide movement is performed in the groove).

The plate body 9 is integrally formed. However, in the present invention, the shape of the plate body 9 is not limited to this, and for example, the plate body 9 may be divided into two parts. Only the winch body 2 may be detachable.

Furthermore, the shape of the plate body 9 is not limited to the substantially U-shape, and may be a rectangular shape, for example.

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, the moving roller body 7 is removed together with the plate body 9 from the winch body 2 of the installed endless winch 1.

As a result, the outer periphery of the groove 4 of the winding drum 5 is opened, the rope is taken in from one guide sheave 6A, wound along the groove 4 of the winding drum 5, and then from the other guide sheave 6B. It can be attached by taking it out.

Thereafter, by attaching the plate body 9 to the winch body 2 again, the moving roller body 7 can be wound along the groove 4 of the winding drum 5 and the wound rope can be pressed toward the groove 4 side.

Further, when the maintenance work is performed, the plate body 9 is separated from the winch main body 2, so that the work can be performed while the rope is easily separated from the groove 4.

Thus, by attaching and detaching the plate body 9 from the winch body 2, the moving roller body 7 can be separated from the groove 4 of the winding drum 5 and the rope can be easily wound and detached.

In addition, the rope can be freely attached and detached while the endless winch 1 is installed, and the working efficiency can be significantly improved.

Moreover, the structure is simple and does not require frequent maintenance work.

In the first embodiment, the plate body 9 is configured to be detachably attached to the winch body 2, but the mounting of the moving roller body 7 is not limited thereto, and the plate body 9 is attached to the winch body 2 so as to be rotatable. It is also possible.

In this case, the plate body 9 is pivotally supported on the winch body 2 so that the rotation portions R and L to which the elastic body 8 is attached rotate so that the rotation portions R and L are rotated. Is rotated in a direction away from the groove 4, and the rope is wound around the groove 4 of the winding drum 5, and then the plate body 9 is rotated again toward the groove 4 to wind the rope.

Accordingly, the rope can be easily attached in a state where the endless winch 1 is installed.

Further, the rotating portion of the plate body 9 is not limited to the case where the above-described two divided components are rotated. For example, the plate portion 9 may be configured to rotate only the end side of the moving roller body 7. Good.

In addition, the moving roller body 7 is attached between the elastic bodies 8. However, in the present invention, the configuration of the moving roller body 7 is not limited to this, and may be, for example, a configuration divided at the central portion.

Schematic explanatory plan view showing a first embodiment of a moving roller body used in an endless winch of the present invention Schematic explanatory plan view showing an endless winch equipped with the moving roller body of FIG. Schematic explanatory plan view showing a second embodiment of the moving roller body Schematic explanatory plan view showing the opening and closing movement of FIG.

1-endless winch, 2-winch body, 3-drive shaft, 5-winding drum, 7-moving roller body

Claims (2)

A winch main body on which a drive shaft is rotatably supported, a winding drum attached to the drive shaft and having a groove around which a rope is wound along an outer peripheral edge, and a pivot support rotatably on the winch main body An endless winch comprising a pair of guide sheaves for taking in and taking out the rope, and a moving roller body attached along the groove excluding the guide sheave portion and having elastic bodies connected to both ends. The endless winch is characterized in that the moving roller body is an elastic body and is attached to the plate body in a tensioned state, and the plate body is detachably attached to the winch body . A winch main body on which a drive shaft is rotatably supported, a winding drum attached to the drive shaft and having a groove around which a rope is wound along an outer peripheral edge, and a pivot support rotatably on the winch main body An endless winch comprising a pair of guide sheaves for taking in and taking out the rope, and a moving roller body attached along the groove excluding the guide sheave portion and having elastic bodies connected to both ends. The movable roller body is elastically attached to the plate body in a tensioned state, and the plate body is pivotally supported on the winch body at the apex portion, and part or all of the plate body is attached to the winch body. On the other hand, an endless winch characterized in that it is configured to be rotatable in a direction away from the winding drum.

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