JP2574602Y2 - Tongue device for fixed rope rig of cableway - Google Patents

Description

[Detailed description of the invention] [Industrial application field] In the field of cableway, the present invention relates to a case where a towing machine for gripping a rope passes through a position of a gripping ring in a cableway line. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tongue device of a fixed towing machine for smoothing.

[Prior Art] A facility in which a towing machine having a carrier suspended therefrom is fixedly grasped by a circulating towline, and the carriage is operated and transported together with the movement of the towline is a fixed circulation type cableway, which is used in a snow-covered area. It is widely known that they are frequently used for transporting skiers or for sightseeing.

Such towing ropes are supported or supported by pressure receiving rings provided on the columns in the cableway line, but the grippers of the towing machine have a slightly bulged shape from the top of the structure. Therefore, when the towing machine passes through the above-mentioned pressure receiving rope, particularly the pressure rope position, it is accompanied by a slight impact and causes vibration of the carrier. In particular, in recent years, the operation speed has been gradually improved, and a large-capacity carrier has been frequently used.

In order to eliminate such adverse effects, the shape of the towing machine is formed by extending the front and rear sides of the towing machine in a tapered and tapered shape so as to extend to the crawling wheel. The one in which the start and the end of the passage are made smooth to reduce the shock at the passage of the cable ring is used.

Alternatively, in the case of a large-sized or high-speed towing machine, the above-described structure has a remarkably long extended portion and lacks the ability to follow the longitudinal bending of the cable, so that a hinged type is used. Have been.

FIG. 6 shows a hinge type tongue device conventionally used.

A rope 51 is provided on a support column (not shown) so as to be pivotable.
52a, 52b ... are being squeezed. The cable pulling machine 60 hangs a carrier (not shown) downward via a hanging machine 55. The handgrip 60 grasps the rope 51 with a handgrip 65, and a base body 62 is formed near the upper part of the handgrip 65. The tongue members 81, 81 constituting the tongue devices 80, 80 are pivotally connected by hinge pins 68, 68 in the forward and backward directions in the traveling direction. With this configuration, when the cable search device 60 advances in the direction of the arrow 54 and enters the pressure ropes 52a, 52b,..., The pressure from the distal end portion 83 of the tongue member 81 having a wedge shape or knife edge shape. The wire is cut into the peripheral portion 53 of the cable ring 52a and enters, so that the impact of the base portion 62 is reduced, and the passing impact is reduced via the distal end portion 83 of the tongue member 81 on the rearward side of the traveling.

Further, since the tongue members 81, 81 are rotatably connected to the hinge pins 68, 68, respectively, the tongue members 81, 81 are configured to be able to temporarily follow the bending of the rope 51 in the longitudinal curve.

Such tongue members 81, 81 were made of steel so as to have sufficient strength against passing frequently through the pressure ropes 52a, 52b... The tongue member
If the hinge pins 68, 68 for pivotally connecting the 81, 81 project outside, they will hinder the passage of the pressure ropes 52a, 52b ... so that the hinge pins 68, 68 Base part 6
Conventionally, those fixed to 2 by welding and fixed so as not to protrude outside, such as a pin head, have been used.

[Problem to be Solved by the Invention] When such a conventional tongue device 80 is used, there are the following defects or problems.

As described above, the tongue members 81, 81 are repeatedly loaded with the groin load each time they pass through the groin rings 52a, 52b... In the cableway line, so that the required toughness and durability are maintained. Needed and made of steel.

FIG. 6 shows that the tongue member 81 of the conventional tongue device 80 is
It shows that the vehicle travels in the direction and interrupts and enters the peripheral portion 53 of the pressure rope 52a. The tow ring 52a rolls on the upper edge 84 of the tongue member 81, and the tongue member 81
, And a rope load is applied. The tongue member 81 can be driven or bent at the position of the hinge pin 68, but during the period from the position of the hinge pin 68 to the position of the distal end 83, ie, B
There is no flexibility between the point and the point A, and it is almost rigid. Therefore, the cable 51 between the points B to A is linearly restrained along the lower edge 85 of the tongue member 81, and the cable 51 is released from the restraint at the tip 83, namely, Around the point A, the vehicle is locally or intensively bent. The angle of such vertical bending changes with the movement of the towing machine 60,
In addition, since the cable 51 is repeatedly loaded, the cable 51 is locally subjected to repeated bending, which causes wire breakage due to fatigue. Needless to say, the ropes were suspended from the carriage, and the immediate identification of the ropes was a serious problem in the safe operation of the cableway, and required constant monitoring.

Next, as described above, the steel tongue member 81 has high rigidity and rigidity, so that the impact generated when the steel tongue member 81 enters the groin rings 52a, 52b... And transmitted to the transporter, causing unpleasant vibration to passengers.

Further, the lower edge 85 of the tongue member 81 and the cable 51 are in contact with each other, but in actuality, such as when successively passing through the pressure ropes 52a, 52b. The delicate contact / separation operation is repeated. Here the steel tongue member
Such an interaction between the cable 81 and the cable 51, that is, the steel cable, is a metal-to-metal contact, and this causes noise, which is transmitted to the carrier and impairs a comfortable riding feeling.

Further, the steel tongue member 81 is connected to the ropes 52a, 52b.
It is also one of the causes of wear. That is, recently, a rubber liner is generally used at the peripheral portion of the pressure receiving cable ring, but a steel tongue member 81 is frequently colliding with such a rubber liner in a collision-like manner. Is not preferred for the protection of the rubber liner.

In addition to the problem in operation, there are the following problems in processing.

That is, the tongue member 81 has a generally wedge-like or knife-edge-like shape, and has a relatively complicated curved surface. Therefore, there is a problem that it is troublesome to form by cutting, and that it takes time and effort to finish the surface smoothly even when forming by plastic working.

From the viewpoints of performance and processing as described above, the conventional tongue member has many problems, and improvement has been demanded.

To date, no satisfactory materials have been used for the above demands without finding suitable materials.

The present invention solves such a problem, does not give a local bend to the cable, dampens harmful vibrations, generates less noise, is useful for rubber liner protection and processing. The purpose of the present invention is to provide a tongue device for a hand-holding machine that is easy to use.

[Means for Solving the Problems] In response to this object, the tongue device of the cableway fixed towing device of the present invention is a tongue member for a tongue device of a cableway excavator, and is provided from the base end. It has a through hole through which the mounting hinge pin can be inserted into the protruding protrusion, the base end has a thick wide width, the front end opposite to the base end has a thin narrow width, and the upper surface is formed as a curved surface. And urethane resin,
It is characterized by being composed of at least one resin of nylon resin, AAS resin and acrylic resin.

[Operation] The tongue device configured as described above has a base end portion attached to a towing machine with a hinge pin. At this time, the lower surface is in contact with the cable. When the handgrip passes the yard, the upper surface of the tongue device contacts the yard. Since the tongue device is made of resin, the tongue device bends when it comes into contact with the cable rope to reduce the impact.

[Embodiment] Hereinafter, the configuration of the present invention and the material and characteristics of the tongue member will be described with reference to the drawings.

FIGS. 1 (a) and 1 (b) show the entire structure of the towing machine 10 provided with the tongue device 30 of the present invention.

In FIG. 1 (a), a main body 11 of the towing machine 10 includes a polygonal base member 12 in plan view, a cylindrical portion 13 integrally fixed to the base member, and an extended cylindrical portion 13. It is composed of a spring case 14 fixedly provided. A fixed-side handgrip 15 extends downward from the base 12. On the other hand, the cylindrical portion 13 and the spring case 14 are hollow. The other handle 20 has a rod
The rod 21 is fixedly extended and the rod 21 is not shown, but is inserted through the hollow hole of the cylindrical portion 13 and the spring case is urged and pressed by a spring built in the cylinder 14. Therefore, the fixed side gripper portion 14,
The movable gripper 20 grips the rope (the rope 1 in FIG. 5) to grip the rope. Further, the cylindrical portion 13
On the outer diameter side, a suspension machine is pivotally mounted, and a transporter is suspended. Although detailed illustration and numbering are omitted in the above description, such a configuration is well known to those skilled in the art as a general configuration of a spring-type gripping machine. Each of the members of the above-described handgrip is made of metal, as in the case of a normal configuration, and generally a steel material is used.

Next, the tongue devices 30, 30 which are features of the present invention will be described.

Protrusions 15, 15 and 15, 15 for connecting the tongue members 31, 31 are formed on both sides of the base portion 12 so as to protrude.

2 (A) and 2 (A) show details of the mounting of one tongue device 30. FIG.

The tongue member 31 has a tapered or tapered shape in which the height dimension gradually decreases from the base 32 to the distal end 33 in a wedge shape or a knife edge shape in a side view. That is, the lower edge portion 35 is a portion that abuts or abuts on the cable as described later, and is formed in a horizontal straight line.
Has a gentle slope descending from the base 32 toward the tip 33. In addition, the vicinity of the tip portion 33 has an appropriate arc-shaped end so as not to have an extremely thin blade shape. Further, as shown in FIG. 2 (c), when viewed in cross section, it has a general shape of "camel-shaped", that is, the lower edge 35 is substantially straight, and the upper edge 34 is a pressure cable ring described later. Are formed in a semicircular convex shape so as to substantially conform to the groove concave surfaces formed on the peripheral portions 3, 3... Of 2a, 2b.

A mounting fitting 36 is formed in the vicinity of the base 32 of the tongue member 31 in a stepped shape, and the mounting fitting 36 is fitted and fitted between the protruding portions 16, 16 protruding from the base 12. It is formed so that. Further, a hole 37 is formed in the mounting fitting portion 36. On the other hand, the projecting portions 16, 16 are also formed with holes 17, 17 concentrically therethrough.

Here, the tongue members 31, 31 have the load-bearing strength and durability when passing through the crushing rings 52a, 52b... It is necessary to use excellent materials. And, because it is used outdoors, it has weather resistance,
In addition, it is necessary that the above characteristics do not change even when used in cold regions for ski lifts.

In consideration of these conditions, when examining the material of the tongue member 31 of the present invention, as a flexible material, rubbers such as natural chloroprene can be mentioned, but at low temperatures, the rebound resilience and the tear strength change. Disadvantageous in weather resistance.

In the case of thermoplastic resin materials such as polyethylene, nylon, polypropylene and polyurethane, the above-mentioned drawbacks are less than rubber, but in the case of resins having a small surface hardness such as polyethylene, polypropylene and polyacetal, there is a drawback that the wear resistance is poor and the tear strength is low. .

Therefore, the above requirements can be satisfied by using a resin having a high surface hardness and a good weather resistance, such as urethane, nylon, AAS, and acrylic resin. Thermoplastic polyurethanes are most preferred.

The tongue member 31 made of the material as described above and formed
As shown in FIG. 3, the mounting pin 36 is inserted between the projecting portions 16, 16 of the base portion 12, and the hinge pin having the holes 17, 17 and the hole 37 coincident with each other on a coaxial core is inserted inside. Insert and insert. At this time, the recessed end surface 16a of the base portion 12 and the mounting portion end surface 36a of the tongue member 31 are in contact or almost contact with each other, and the tongue member 31 is substantially fixedly connected to the base portion 12. Is done.

Here, a solid cylindrical pin may be used for the hinge pin 18 or, for example, a spring pin may be used. FIG. 3 shows a spring pin formed by winding a plate material such as spring steel into a winding shape. The hinge pin 18 formed by the spring pin is inserted through the holes 17, 17 and the hole 37 and pressed or pressed. Since the spring pins are fitted into the holes 17, 17 and the holes 18 and expanded and resilient to the inner diameter by a resilient or expanding force, the locking connection is achieved without falling off.

Next, the operation of the tongue device configured as described above will be described.

As shown in FIGS. 1 (A), 1 (A) and 5, the handgrip 10 includes a handgrip 15 of the base 12 and a movable handgrip 20.
Cooperate with each other to pinch the rope 1 and squeeze it. Although not shown in the figure, the suspension machine is pivotally suspended on the outer diameter of the hollow portion 13 as in the case of the conventional general configuration.

In FIG. 4, the rope 1 is supported by groin rings 2a, 2b,... At groin points in the cableway line, and is refracted and guided upward on the right side of the figure. The towing machine 10 has a carrying device (not shown) suspended therefrom via a hanging machine 5, and the rope 1 is gripped as described above and moves in the direction of arrow 4 with the movement of the rope 1. I have. The gripping machine 10 has the rope 2a, 2b
... When entering the position, the distal end 33 of the tongue member 31 cuts into the peripheral edge 3 of the press rope 2a and enters, and the peripheral edge of the press rope 2a gradually increases in height. 3 rolls and advances to reduce the impact of the base portion 12 from entering. Further, the peripheral edge portion 3 rolls and passes over the upper edge portion 34 of the tongue member 31 on the advancing rear side whose height gradually decreases. Similarly, the vehicle passes the position of the next rope 2a, and in the case of a multi-wheel device, also passes one after another.

FIG. 5 shows a case where the tongue member 31 is passing through the pressure rope 2a as described above.

The tongue member 31 is stopped and connected to the base portion 12 by a hinge pin 18 in a substantially fixed state. Accordingly, there is no danger that the tip 33 of the tongue member 31 will turn upward and protrude, and will collide with the groin rings 2a, 2b... When entering the groin rings 2a, 2b.

On the other hand, since the material used for the tongue member 31 is a flexible thermoplastic polyurethane resin, it has the following operational characteristics. In a state as shown in FIG. 5, when a crushing load is applied to the upper edge portion 34 of the tongue member 31 from the peripheral portion 3 of the tubing ring 2a, the portion between the vicinity of the base portion 32 and the vicinity of the tip portion 33 of the tongue member 31, ie, the point B Between point A and point A, it curves gently concavely upward. Accordingly, the rope 1 contacting along the lower edge 35 is also gently bent to follow. Therefore, cable 1 is B
Even between the point A and the point A, the wire 1 is bent with a relatively large radius of curvature, so that the local sharp bending of the rope 1 near the point A unlike the conventional one is not caused.

Next, the impact of the tongue member 31 at the time of intrusion into the press ropes 52a, 52b... Is also buffered by the flexibility or flexibility of the tongue member 31 in accordance with the above-described operation, and therefore, the vibration transmitted to the carrier through the suspension machine. Also decreases.

The lower edge 35 of the tongue member 31 and the cable 51 are basically in contact with each other.
The noise generated due to the repetition of the minute contact / separation operation that occurs when passing through successively 2a, 2b... Is also reduced because there is no mutual metal-to-metal contact.

Further, the tongue member 31 of the present invention is different from the metal-made tongue member, and is desirable for protecting the rubber liner of the pressure receiving cable.

[Effects of the Invention] By using the present invention, the following effects can be particularly enjoyed.

(1) Since the tongue member of the present invention has flexibility, it also flexibly bends flexibly at the intermediate portion of the tongue member in response to the applied load, so that the rope is also bendably bent and localized at a specific location. Does not cause mechanical bending. Therefore, there is no danger of wire breakage of the cable due to fatigue, and on safe operation of the cableway,
Especially effective. The following effects are exhibited in addition to the above.

(2) Due to the flexibility or flexibility of the tongue member, the impact of the tongue member entering the press ring is buffered, and the riding comfort of the carrier is improved.

(3) Since the tongue member is not made of metal, the generation of noise due to the minute contact / separation operation between the tongue member and the cable during operation is reduced.

(4) Since the tongue member is not made of metal, it is suitable for protecting the pressure receiving cable liner.

(5) The thermoplastic polyurethane resin or the like used in the tongue device of the present invention satisfies the above-mentioned performance, has strength and durability under the above-mentioned use conditions, and has weather resistance and cold conditions against outdoor conditions. It is also usable and suitable.

(6) Compared with a conventional metal tongue member, it can be used without requiring special surface processing as it is formed by a mold.

[Brief description of the drawings]

FIG. 1 (A) is a plan view showing the entire towing machine provided with the tongue device of the present invention, and FIG. 1 (A) is a cross-sectional view showing the entire towing machine equipped with the tongue device of the present invention. 2 (A) is a plan view showing the tongue device of the present invention, FIG. 2 (A) is a sectional view showing the tongue device of the present invention, and FIG. 2 (C) is a sectional view of the tongue member of the present invention. FIG. 3 is a plan view showing a part of the connection of the tongue member in a cross-sectional view, FIG. 4 is a side view showing the relationship between the towing machine, the ridges, and the pressure rope, FIG. 5 is a side view showing the relationship between the tongue member and the rope and the press rope, and FIG. 6 is a side view showing the relationship between the tongue member, the rope and the press rope in the conventional art. 1 ... cord, 2a, 2b ... press ring, 3 ... peripheral part, 4 ...
Arrows, 5 ... suspension machines, 10 ... gripping machines, 11 ... main body, 12
…… Base part, 13 …… Cylindrical part, 14 …… Spring case, 15 ……
Handle part, 16 ... Projecting part, 16a ... End face of concave part, 17 ... Hole, 1
8… Hinge pin, 20… Handle, 21… Rod, 30…
... tongue device, 31 ... tongue member, 32 ... base, 33 ...
Tip part, 34 ... Upper edge part, 35 ... Lower edge part, 36 ... Mounting fitting part, 36a ... Fitting part end face, 37 ... Hole, 51 ... Cable, 52a, 5
2b …… Cable ring, 53 …… Peripheral part, 54 …… Arrow, 55 …… Suspension machine, 60 …… Groove machine, 62 …… Basic body part, 65 …… Handle part, 67…
… Hole, 68… Hinge pin, 80… Tongue device, 81… Tongue member, 83… Tip, 84… Upper edge, 85… Lower edge

Continuation of front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B61B 12/12 B61B 11/00

Claims (1)

(57) [Scope of request for utility model registration] 1. A tongue member for a tongue device of a cableway excavator, comprising a through-hole through which a mounting hinge pin can be inserted through a protruding portion protruding from a base end, wherein the base end is thick. The distal end portion opposite to the base end portion has a wide width and the thin end has a narrow width and the upper surface is formed as a curved surface, and at least one resin of urethane resin, nylon resin, AAS resin and acrylic resin Tongue device for a fixed rope rig of cableway, characterized by comprising: