JPH063193Y2 - Clutch mechanism - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a clutch mechanism used in a moving device that moves a substrate using only fluid energy as a power source.

[Prior Art] In a water channel for cooling, irrigation, etc., or a channel in which a fluid flows, such as a river or an intake / exhaust duct, a device for cleaning the inside of the channel or transporting an object is required. Is.

For example, in power plants, petroleum complexes, liquefied gas terminals, etc., waterways for introducing seawater are provided for various types of cooling, and the side walls of the waterways contain shellfish and shell eggs that have flowed in together with seawater. Since they adhere and accumulate, it is necessary to clean the waterway to remove eggs and so on.

Conventionally, an electric device has been used for such an application, but since the device is complicated and is inconvenient to use, and the operating cost is high, the applicants of the present invention have found a practical application. No. 150313 proposes a device that can remove eggs and the like by moving in a water channel using only water flow energy as a power source.

Further, in the patent application dated November 14, 1991, the applicants of the present invention used only a fluid energy as a power source along a fixed rope such as a rope or a chain stretched in a flow path of liquid or gas. Has proposed a moving device capable of moving the substrate. Such a moving device rotates an impeller supported by a base body movable along a fixed rope by a flow of fluid, and further rotates a rotating body such as a pulley or a sprocket by a rotating force of the impeller to rotate the rotating body. The base and the fixed rope are made to move in the longitudinal direction of the fixed rope by cooperating with each other without slipping. In order to perform cleaning of the water channel more efficiently using such a device, it is preferable to switch the moving direction between the upstream end and the downstream end of the water channel for reciprocating movement.

In order to switch the moving direction, it is necessary to provide a clutch mechanism to reverse the rotating direction of the pulley, but the clutch that is a joint for opening and reconnecting the connected shafts Conventionally, various things are known.

The clutch is roughly divided into transmission parts, and it is divided into a meshing clutch that has a structure in which flanges with pawls attached to a shaft are in mesh with each other and a friction clutch that continues movement by using frictional force. The shape is further classified.

Further, regarding the operation mode of the clutch, there are a method of manually operating, a method of operating by hydraulic pressure or air pressure, a method of utilizing electromagnetic force, and the like.

[Problems to be Solved by the Invention] However, in order to operate any of the conventional clutches as described above, a power source other than fluid energy such as an engine or an electric motor is required. Therefore, even in a device that moves the substrate using only fluid energy as described above, in order to automatically reciprocate the flow path, a power source for the clutch must be mounted. In the end, the device becomes complicated and expensive, and the usability becomes poor.

The present invention has been made in view of the above points, and is a clutch mechanism used to change the moving direction of a moving device that moves a substrate using fluid energy, and requires a power source other than fluid energy. It is an object of the present invention to provide a clutch mechanism that can be operated without operating.

[Means for Solving the Problems] A clutch mechanism of the present invention comprises a fixed rope such as a rope, a chain, and a rack stretched in a flow path of a fluid, a base body movable along the fixed rope, and The impeller supported by the base body and rotated by the flow of the fluid, and the impeller that is rotated by the rotational force of the impeller and cooperates with the fixed rope without slipping, thereby moving the base body relatively in the longitudinal direction of the fixed rope. A clutch mechanism for use in a moving device including a rotating body such as a pulley and a sprocket, which transmits the rotational force of the impeller to the rotating body so that the rotational direction can be switched, and is connected to the rotating shaft of the impeller. And a driven shaft connected to the rotating shaft of the rotating body, and coaxially arranged on the other shaft so as to transmit rotations in opposite directions to one of the driving shaft and the driven shaft. Had first and second Gear transmission means having an idle gear, and gear selection means mounted on the other shaft for selectively rotationally coupling the first or second idle gear and the other shaft by axial displacement. A direction in which the gear selecting means is pivotally supported by the base body and rotates to cause axial displacement of the gear selecting means by interfering with a switching piece fixedly disposed in the middle of the flow path at an end portion of the moving range of the base body. It is a clutch mechanism provided with a switching lever means.

[Operation] The operation of the clutch mechanism of the present invention will be described with reference to FIG. 1, which is a drive conceptual diagram of a moving device according to an embodiment of the present invention described later.

In the figure, a shaft 2 is a base body (not shown) floating in a water channel.
It is rotatably supported on the shaft 2. A water turbine 3 and a sprocket 4 are fixed to the shaft 2. This shaft 2
The shaft 5b, which is the driving shaft of the clutch mechanism, is a sprocket 4 and a sprocket 5d fixed to the shaft 5b.
They are connected by hanging a chain 6 between them.

Further, the pulley 7 which is a rotating body is fixed to a shaft 5c which is a driven shaft of the clutch mechanism, and a rope (fixed rope) 8 stretched in a water channel is wound around the pulley 7 from the bottom to the top. There is. Switching pieces 9 and 10 for rotating a switching lever 5k, which will be described later, are fixedly arranged at predetermined positions of the rope 8 (ends of the moving section of the base body).

Next, the clutch mechanism will be described. Two gears 5e and 5h are mounted on a shaft 5b, which is a driving shaft, in a state of idling at predetermined intervals. First idle gear 5e
Is a driven shaft via a gear 5f fixed to another shaft arranged in parallel between the shafts 5b and 5c.
It meshes with a gear 5g fixed to c, and the second idle gear 5h directly meshes with a gear 5i fixed to a shaft 5c. These gears 5e, 5f, 5g, 5h,
5i constitutes the gear transmission means in the present invention.

Further, between the idle gears 5e and 5h of the shaft 5b, a gear selection is made by axially displacing to connect with either of the idle gears 5e and 5h and selectively rotate one of the idle gears to the shaft 5b. Means 5j are provided. The gear selecting means 5j is rotatably connected to the switching lever 5k via an arm 5l arranged in a direction orthogonal to the shaft 5b.

The switching lever 5k has a substantially U shape, and the U-shaped vertical bar portion is substantially parallel to the rope 8 and the horizontal bar portion faces the switching pieces 9 and 10 fixed to the rope 8. The vertical rod portion is pin-coupled (pin coupling portion 5m) to the base body at a substantially central portion (position separated from the coupling portion 5n with the arm 51 by a predetermined distance).

In the clutch mechanism having the above structure, when the water turbine 3 is rotated by the water flow (white arrow), this rotation is transmitted to the shaft 5b via the sprocket 4, the chain 6 and the sprocket 5d, and the shaft 5b is in the same direction as the water turbine 3. Rotate to.

At this time, if the gear selecting means 5j is connected to the first idle gear 5e, the rotation of the shaft 5b is the gear 5e (rotating in the same direction as the shaft 5b), 5f (rotating in the opposite direction), 5g.
It is transmitted to the shaft 5c via (rotation in the same direction), and the shaft 5c rotates in the direction of the arrow A. Therefore, in this case, the pulley 7 rotates in the same direction as the water turbine 3, and the base body moves from the downstream side to the upstream side against the water flow.

When the crossbar portion end of the front side of the switching lever 5k to switching piece 9 at the upstream end collision, the switching lever 5k rotates as 5k ₁ indicated by a dotted line pin coupling section 5m as a fulcrum. That is, the connecting portion 5n with the arm 5l has an arc (radius of 5m
And 5n), and the gear selecting means 5j is axially displaced in the direction of arrow D along with this. Then, the first idle gear 5e, which has been rotatably coupled to the shaft 5b by the gear selecting means 5j, is released, and the second idle gear 5h is rotatively coupled to the shaft 5b. As a result, the rotation of the shaft 5b is
It is transmitted to the shaft 5c by the gear 5h (rotating in the same direction as the shaft 5b) and the gear 5m (rotating in the opposite direction), and the shaft 5c rotates in the direction of arrow B. Therefore, the pulley 7 rotates in the direction opposite to the water turbine 3, and the base body moves from upstream to downstream (toward the switching piece 10).

Next, when the end of the horizontal bar of the switching lever 5k at the downstream end collides with the switching piece 10 at the downstream end, the switching lever 5k rotates about the pin coupling portion 5m as a fulcrum (dotted line) as in the case of the upstream end. 5k ₂ ), gear selection means 5j
Is axially displaced in the direction of arrow C and is again connected to the first idle gear 5e. When the first idling gear 5e is connected to the shaft 5b, the pulley 7 is again connected to the water turbine 3 as described above.
Will rotate in the same direction, and the substrate will move from downstream to upstream.

[Embodiment] An embodiment of the present invention will be described with reference to the drawings. FIG. 2 is a schematic plan view of a moving device using a clutch mechanism according to the present invention, and FIG. 3 is a schematic side view of the moving device.

In the figure, the rope 8, which is a fixed rope, has one end fixed to the upstream side of the water channel and the other end fixed to the downstream side, and is stretched at a position higher than the water surface along the longitudinal direction of the water channel. Predetermined positions on the upstream side and the downstream side of the rope 8 (ends of the moving section of the base body)
The clutch switching pieces 9 and 10, which will be described later, are fixedly arranged in the.

A base (not shown) of the moving device according to the present embodiment is provided with a float and floats in the water channel 1, and the shaft 2 is arranged at a position slightly higher than the water surface in a direction orthogonal to the direction of the water flow (white arrow). , Rotatably supported by the base body. A turbine 3 and a sprocket 4 are fixed to the shaft 2.

Also, a clutch mechanism (details described later; clutch box 5)
Is provided at a position higher than the shaft 2, and the shaft 5b, which is the driving shaft of the clutch mechanism, is
And a sprocket 5d fixed to the shaft 5b are connected by a chain 6 wound around. Also,
A pulley 7 which is a rotating body is fixed to a shaft 5c which is a driven shaft of the clutch mechanism, and a rope 8 which is stretched in a water channel is wound around the pulley 7 from the bottom to the top.

In the substantially U-shaped clutch switching lever 5k, the substantially central portion of the U-shaped vertical rod portion is pin-coupled (pin coupling portion 5m) in the clutch box 5, and the U-shaped horizontal rod portion end is connected to the rope 8. It is arranged to intersect. The side wall of the clutch box 5 is provided with an elongated hole so as not to hinder the rotational movement of the switching lever 5k with the pin coupling portion 5m as a fulcrum.

Here, the clutch mechanism of the present embodiment is shown in FIG.
It will be described in more detail with reference to FIG.

In the figure, a shaft 5b which is a driving shaft and a shaft 5c which is a driven shaft are arranged in parallel at a predetermined interval,
It is rotatably supported by the clutch box 5. As described above, the sprockets 5d and the pulleys 7 are mounted on the ends of the shafts 5b and 5c (outside the clutch box 5), respectively.

Two gears 5e and 5h are mounted on the shaft 5b in a state of idling at predetermined intervals, and inner surfaces of both the idling gears are engaged with gear selecting means to be described later. A joint is provided. Both idle gears 5e, 5h
Among them, the first idle gear 5e is fixed to the shaft 5c, which is a driven shaft, via a gear 5f fixed to another shaft (not shown) arranged in parallel between the shafts 5b and 5c. It meshes with the gear 5g (see FIG. 5 (a)), and the second idle gear 5h directly meshes with the gear 5i fixed to the shaft 5c (see FIG. 5 (b)). These gears 5e, 5f, 5g, 5h, 5i form the gear transmission means in this embodiment.

The first and second idle gears 5e, 5 of the shaft 5b
The gear selecting means 5j having a substantially cylindrical shape is axially mounted between h. The gear selecting means 5j is mounted so as to rotate together with the shaft 5b and to be slidable in the axial direction, and fitted to the engaging portions of the first and second idler gears at both end faces. A flange with engaging claws is provided. Further, the gear selecting means 5j is provided with a concave groove on its peripheral surface, and is connected to the vertically arranged arm 5l through a slide bearing fitted in the concave groove.

The arm 5l is connected to the above-mentioned substantially U-shaped switching lever 5k at a position separated from the pin coupling portion 5m of the vertical rod portion by a predetermined distance. In FIG. 4, only one lateral bar portion of the switching lever 5k is shown by a dotted line. In this embodiment, a long hole 8a as shown in the figure is provided in the horizontal bar portion of the switching lever 5k that intersects with the rope 8 so that the rope 8 can pass through it. The switching lever 5k may rotate right above (or just below) the rope 8 as shown in the conceptual diagram of FIG.
If it is shown in the figure, the lever 5k can be made to collide with the switching pieces 9 and 10 more reliably. If the size of the long hole is set to match the range of rotation of the lever, the rope 8 will not be pulled out of the pulley 7 by the rotation of the switching lever 5k.

Further, in this embodiment, since the movement of the arm 51 along with the rotation of the switching lever 5k is made smooth, the guide 11 provided with an elongated hole corresponding to the locus of the arm 51 as shown in FIG. Is provided above the arm 5l.

In the clutch mechanism configured as described above, as described above, the base body is moved by the water flow and the rope 8 is moved.
When the switching lever 5k collides with the switching piece 9 or 10 fixed to, the switching lever 5k rotates about the pin coupling portion 5m. Then, the switching lever 5
k and gear selection means 5 connected via arm 51
j moves in the axial direction of the shaft 5b. As a result, the idle gear previously meshed with the gear selecting means 5j is released, and the other idle gear is coupled to the shaft 5b. As described above, since the first and second idle gears transmit opposite rotations to the shaft 5c, the rotation direction of the shaft 5c to which the pulley 7 is fixed is reversed by changing the idle gear to be connected. To be done.

In this way, in this embodiment, the base body can be reciprocated between the switching pieces 9 and 10 as long as there is a water flow in a fixed direction. At this time, the rotational speed of the pulley 7 can be set to a desired speed by adjusting the number of teeth of each gear that constitutes the gear transmission means, and the moving speed can be changed between going and returning.

In the above embodiment, the first and second idle gears and the gear selecting means are mounted on the driving shaft side, but it goes without saying that these may be mounted on the driven shaft side. The shape of the switching lever is not limited to the U-shape as long as it can rotate due to interference with the switching piece.

Further, in the above embodiment, the case of moving in the water channel has been described, but it can be similarly applied to the case where the fluid is gas, for example, when moving in the intake / exhaust duct, and the switching piece is fixed. It may be supported on the bottom surface of the flow path other than the rope.

[Advantages of the Invention] As described above, the present invention is provided with the direction switching lever means that rotates by interfering with the switching piece fixedly arranged in the middle of the flow path, and the gears are rotated by the rotation of the direction switching lever means. Since the first and second idle gears that are coaxially arranged to transmit rotations in opposite directions are selectively rotationally coupled to the shaft by causing axial displacement of the selection means, an engine, an electric motor, etc. Even if a power source other than the fluid energy is not provided, the moving direction can be automatically switched at the position where the switching piece is provided as long as there is a flow in a certain direction.

By using such a clutch mechanism of the present invention, it is possible to obtain a moving device having a simple structure capable of reciprocating the base body using only fluid energy as a power source. Such a device has good usability, consumes no electric power, etc., and therefore has a low operating cost, and is suitably used for cleaning the flow passage, carrying luggage in the flow passage, and the like.

[Brief description of drawings]

FIG. 1 is a drive conceptual diagram of a moving device using a clutch mechanism according to an embodiment of the present invention, and FIG. 2 is a schematic plan view of the moving device.
FIG. 3 is a schematic side view of the moving device, and FIG. 4 is FIG.
FIG. 5 is a sectional view of a portion A, FIG. 5 is a conceptual diagram for explaining a gear transmission unit in the embodiment, and FIG. 6 is a schematic plan view of a switching lever in the embodiment. [Explanation of symbols of main parts] 3 ... Water turbine 5b ... Shaft (driving shaft) 5c ... Shaft (driven shaft) 5j ... Gear selection means 5k ... Direction switching lever 7 ... Pulley 8 ... Rope 9, 10 ... Switching piece

Claims (1)

[Scope of utility model registration request] 1. A fixed rope stretched in a flow path of a fluid,
By the base body movable along the fixed rope, the impeller supported by the base body, which is rotated by the flow of the fluid, and the rotary force of the impeller, which is rotated and cooperates with the fixed rope without slipping. A clutch mechanism that is used in a moving device that includes a rotating body that relatively moves the base body in the longitudinal direction of the fixed rope, and that transmits the rotational force of the impeller to the rotating body so that the rotation direction can be switched. A driving shaft connected to the rotating shaft of the impeller, a driven shaft connected to the rotating shaft of the rotating body, and one of the driving shaft and the driven shaft to transmit rotations in opposite directions to each other. A gear transmission having first and second idle gears coaxially arranged on the other shaft; and the first or second idle gear mounted on the other shaft and axially displaced. Selective rotation with the other axis The gear selecting means and the gear selecting means that are pivotally supported by the base body and rotate by interfering with the switching piece fixedly arranged in the middle of the flow path at the end portion of the moving range of the base body, thereby rotating the shaft of the gear selecting means. A clutch mechanism provided with a direction switching lever means for causing a direction displacement.