JP3637077B2 - Tensioning device for rope pulling type suspension transportation equipment such as cableway - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a tensioning device used in a rope pulling type suspension transportation facility such as a cableway.
[0002]
[Prior art]
In the present application, the following transport apparatus or equipment is targeted as the rope pulling type suspension transportation equipment. That is, the cable lane equipment is the most widely used as a typical example of the rope pulling type suspension transportation equipment, and a traveling machine or a grasping rope using a branch as a guide way and having a traveling function and a linking function. There are a group of such as a crossing type cableway that hangs the carrier on the machine and coasts this carrier with a scoop and rolls the branch, and a double track or three line circulation type cableway, etc. In addition, the function of the guideway and the carrier are pulled. There is a group of single-line circulation cableway or double-line single-line circulation cableway using a branch cable that also has a function. In addition to this, as a transportation facility very similar to a cableway facility, a suspended transportation system of a type that guides a transporter using a rigid rail instead of the above-mentioned guideway and coasts with a rope as a guideway or a few examples is implemented or Proposed. The rope pulling type suspension transportation equipment targeted by the present invention includes all of these.
[0003]
Here, the prior art will be described in the case of a single-line circulation cableway, which is the most representative of these rope pulling type suspension transportation facilities.
[0004]
FIG. 8 shows the overall disposition relationship of the single wire circulation cableway 101. Pulleys 103a or 103b are pivotally provided at the stops 102a and 102b at both ends, respectively, and a rope 104 is wound endlessly between these pulleys 103a and 103b. Of the pulleys, one pulley 103 b is a driving pulley including a driving device 106, and one pulley 103 a is a tensioning pulley including a tensioning device 120. The carrier 110, which has the main body 113 suspended from the grinder 111 via the suspension machine 112, grasps the rope 104 from one stop, for example, 102ba, and is pulled by the rope 104 and is pulled by the rope 104. The train 105 is operated to reach the other party's stop 102a. In this way, the gripping device 111 unloads the rope 104 and is then transferred back along the rail 107, and is again operated in the same way as described above.
[0005]
In the configuration of the single-wire circulation cableway 101 as described above, a tensioning device 120 having a configuration as shown in FIGS. 9 and 10 is conventionally used. That is, the pulley 103a in which the rope 104 is wound around the peripheral portion is pivotally supported by the shaft 135 fixed to the sliding frame 130, and is supported in a horizontal posture. Shafts 140, 140 and 140, 140 are fixed to the sliding frame 130, projecting left and right, and sliding rollers 150, 150. On the other hand, guide frame members 123 and 123 of the guide frame 122 facing each other in a groove shape are fixed at fixed positions, and the sliding rollers 150 and 150 and 150 and 150 are guide frame members. In the case of this figure, it is connected to the hydraulic cylinder 129 as tension means 128 at the end of the sliding frame 130.
[0006]
In the above-described configuration, the sliding frame 130 slides back and forth along the guide frame 122 and balances with the tension of the tensioning means 128 with respect to the tension of the reciprocating two-line cable 104. Yes.
[0007]
[Problems to be solved by the invention]
In such a conventional tensioning device, since the sliding roller of the sliding frame rolls with respect to the guide frame, there is an advantage of rolling friction, but the contact between the sliding roller having a relatively small diameter and the guide frame. There is a problem that so-called Hertz contact stress generated at the contact point is high and the sliding roller is worn, and the guide rail is worn and deformed.
[0008]
The present invention eliminates such problems, does not generate high contact pressure of the guide frame and the sliding roller, and therefore is less likely to wear and deform, and the sliding operation of the sliding frame is performed smoothly. This was made for the purpose of providing a tensioning device for a rope pulling type suspension transportation facility such as a cableway.
[0009]
[Means for solving problems]
Corresponding to this purpose, the present invention is a tensioning device used in a suspended transport facility such as a cableway that transports by pulling a carrier with a rope stretched between a pulley and a pulley at both ends.
The tension device includes a sliding frame pivotally attached to the pulley, a guide frame for guiding the sliding frame, and tension means for tensioning the sliding frame. The moving frame is provided with a guide shoe having a sliding contact surface, and the guide frame is provided with a guide surface for guiding the sliding contact surface, and the sliding contact surface is connected to the guide surface. the contact guide with a surface contact between each other, without to be supported, the use of anti-friction material on the sliding contact surface or guide surface, formed on the spherical surface-shaped support shaft fixed to said sliding frame A tensioning device for a rope pulling type suspension system such as a cableway, in which the supported end is inserted into the hole of the guide shoe and is slidably fitted to support the guide shoe on the end. It is a thing.
[0010]
[Action]
The tension device of the rope pulling type suspension transportation equipment is equipped with a sliding frame pivotally attached to a tension pulley so that it can slide along the guide rail and is tensioned by the tension force of the tension means, and the tension of the rope is constant. In the present invention, the sliding frame side is provided with a guide shoe unit provided with a guide shoe member, and is supported in contact with the guide surface of the fixed-side guide frame, and It is configured to slide back and forth by being guided by this.
[0011]
With this configuration, the contact area between the sliding contact surface and the guide surface can be increased, so that the contact surface pressure is low, and therefore the contact surface pressure between them is low, which causes wear and deformation of the guide frame and the guide shoe member. hard. In addition, by using an anti-friction material for the sliding contact surface or the guide surface, the friction coefficient is small and sliding is performed smoothly.
[0012]
【Example】
(Example 1)
The configuration of the tension device of the cable traction transportation equipment such as cableway of the present invention is applied to the cable traction suspension transportation equipment having the same configuration as described above as far as the configuration of the cable traction equipment and the tension device according to the present invention is concerned. Although it is possible, in this embodiment, a case where the present invention is applied to a single-line circulating cableway facility using a passenger car type carrier is described as an example. FIG. 1 shows the overall disposition relationship of the single-line circulation cableway 1. Pulleys 3 or 3 are respectively pivoted at the stops 2 a and 2 b at both ends, and a strip 4 is wound endlessly between these pulleys 3 and 3 and is stretched in the cableway 5. Among these pulleys 3 and 3, the pulley 3 at one stop 2 b is a driving pulley 3 b provided with a driving device 6, and the pulley 3 at the other stop 2 a is a tension pulley 3 a belonging to the tensioning device 20. The rope 4 is wound endlessly between these pulleys 3 and 3, and is stretched in the cableway 5 and circulated. The carrier 10 includes a grinder 11, a suspension machine 12, and a passenger car body 13, and grips the rope 4 with the grinder 11, and circulates between the stops 2a and 2b as the rope 4 moves. Further, in the stop 2a or 2b, the transporter 10 moves away from the rope 4 and rolls on the rail 7a or 7b at a slow speed, and transports by repeating such operation. In the figure, only one transporter 10 is shown, but actually, a plurality or a plurality of transporters 10 are used and operated in sequence at predetermined intervals.
[0013]
2 and 3 show the arrangement of the tensioning device 20. Supports 21 and 21 in the form of columns are erected in the stop 2a, and a guide frame 22 is bridged between the supports 21 and 21. As will be described in detail later, the sliding frame 30 is a frame-like body, and a shaft 35 is fixed and extends downward. A tension pulley 3a is pivotally attached to the shaft 35, and the tension pulley 3a includes the above-described tension pulley 3a. The rope 4 is wound around like this.
[0014]
As will be described later, the sliding frame 30 is guided by guide frame members 23 and 23 of the guide frame 22 so as to be slidable in the front-rear direction. Further, in the vicinity of the end 33 of the sliding frame 30, the tension means 28 is provided. In the present embodiment, it is connected to the hydraulic cylinder 29. Further, the reciprocating two-line rope 4 is tensioned by the tension force of the tension means 28, and the sliding frame 30 is guided to the guide frame 22 and slides back and forth in response to a change in the tension of the rope 4. To balance.
[0015]
FIG. 4 shows the details of the relationship between the guide frame 22 and the sliding frame 30 in the tensioning device 20. On the left side in FIG. 4, one sliding frame member 31 among the sliding frame members 31, 31 constituting the sliding frame 30 is shown in a sectional view. In the case of the present embodiment, the sliding frame member 31 is shown using a square tube material. A plate member 41 is adhered to the side surface of the sliding frame member 31 by welding or the like to establish a fixed relationship. The support bracket 42 has a shape in which a boss portion 42b formed integrally with the flat plate portion 42a is protruded, and a hole 43 is formed in the boss portion 42b. The support bracket 42 is fixed to the plate member 41 by a plurality of bolts 44, 44.
[0016]
A support shaft 45 is fitted into the hole 43 of the support bracket 42. Although not particularly shown, the support shaft 45 is prevented from coming out of the hole 43 by using a normal fixing means such as a key plate. The support bracket 42 is in a fixed relationship. As shown in FIG. 4, the support shaft 45 includes a cylindrical base portion 45a, a columnar or round bar-shaped intermediate portion 45b having a slightly smaller diameter, and a peripheral portion that is convex or spherical in the center in a side view. This is a substantially axial pin-shaped member integrally formed with a support end portion 46 formed in a shape. In addition, the basic portion 45a of the support shaft 45 is inserted into the hole 43 of the support bracket 42 and is fixedly connected to the support bracket 42 as described above, and the intermediate portion 45b and the support end portion 46 extend in a cantilever manner. The guide shoe member 50 is supported at the support end 46. Here, the bearing end portion 46 has a spherical outer surface as described above, and has a self-aligning property.
[0017]
As shown in FIGS. 4 and 5, the guide shoe member 50 is a block having a generally rectangular shape. A hole 51 is perforated near the center, and a lower surface member 52 is stuck below. In addition, the lower surface member 52 has a planar shape in the vicinity of the central portion, and the vicinity of both end portions is retracted slightly upward so that introduction portions 53 and 53 are formed in a boat shape. Further, a sliding member 54 a is adhered to the lower surface member 52 to form a sliding contact surface 54. Further, the back surface of the guide shoe member 50 is formed to be substantially flat, and a sliding member 55a is adhered to the guide shoe member 50 to form a sliding side surface 55. Here, for the sliding member 54a and the sliding member 55a, it is preferable to use an antifriction material having a small friction coefficient and excellent wear resistance, such as Teflon resin.
[0018]
As shown in FIG. 4, the guide shoe member 50 formed in this way has a support end portion 46 of the support shaft 45 inserted in its hole 51 and is slidably fitted. As described above, the guide shoe unit 40 including the support bracket 42, the support shaft 45, and the guide shoe member 50 has the left and right sliding frame members 31 or 31 constituting the sliding frame 30 as shown in FIG. A total of four pieces are arranged on the side surface.
[0019]
On the other hand, as shown in FIG. 3, the guide frame 22 has two left and right guide frame members 23, 23 suspended in parallel to each other and fixed. FIG. 4 shows one guide frame member 23. In this embodiment, the guide frame member 23 shows a case where a member having an H-shaped cross section is used. The guide shoe member 50 is inserted into the guide frame member 23, and the flange inner surface below the guide frame member 23 is used as the guide surface 24, and the sliding contact surface 54 of the guide shoe member 50 is brought into contact therewith. The inner side surface of the guide frame member 23 is used as the guide side surface 25, thereby restricting the left and right positions of the sliding side surface 55 of the guide shoe member 50.
[0020]
In this way, the guide shoe units 40, 40 and 40, 40 are respectively guided to the left and right guide frame members 23 or 23, slidably moved in the front-rear direction, and the tension of the rope 4 is tensioned by the tension force of the tension means 28. Is done. The guide shoe members 50, 50 or 50, 50 are guided by the guide frame members 23 or 23, respectively, and the sliding contact surfaces 54 or 54... Slide or slide with the guide surfaces 24 or 24. Thus, the sliding movement of the sliding frame 30 back and forth is performed smoothly. At this time, since the sliding contact surfaces 54, 54... Of the guide shoe members 50, 50... And the guide surfaces 24, 24 of the guide frame members 23, 23 are in surface contact, the surface pressure value of the contact is determined. Accordingly, the contact stress generated in the guide frame members 23 and 23 is reduced, so that the wear and deformation of the guide frame members 23 and 23 can be prevented, and it can be used for a long life. Since the abrasive material is stuck and used, sliding is performed smoothly. Further, in the guide shoe unit 40, the support end portion 46 of the support shaft 45 has a substantially spherical shape with respect to the hole 51 of the guide shoe member 50. Even if a follow-up displacement occurs, it can be smoothly slid by the aligning action without any trouble.
[0021]
(Example 2)
In the above embodiment, the case where the antifriction material is attached to the moving side of the guide shoe is described. However, in this embodiment, the case where the antifriction material is attached to the guide frame member which is the fixed side. State.
[0022]
In FIG. 6, the structure of the guide frame 22, the guide frame member 23, the support shaft 45, the guide shoe member 50, etc. is the same as that shown in FIG. 3, and the same reference numerals are given.
[0023]
In the second embodiment, the lower surface of the lower surface member 52 of the guide shoe member 50 is directly used as the sliding contact surface 61, while the sliding member 62 made of an antifriction material is provided on the inner surface of the flange below the guide frame member 22. The guide surface 63 is adhered to the entire sliding range to guide the sliding contact surface 61. The back surface of the guide shoe member 50 is directly used as a sliding contact surface 64, and a sliding member 65 made of an anti-friction material is attached to the entire inner surface of the guide frame member 22 over the entire sliding range. A guide surface 66 is used to guide the sliding contact surface 64. Even in such a configuration, the same effect as in the case of the above-described embodiment can be obtained.
[0024]
(Example 3)
The case of the present embodiment is basically the same as the case of the first embodiment, but shows a case where the mutual relationship with the guide shoe member is partially different.
[0025]
In FIG. 7, the configuration of the guide shoe unit 70 is equivalent to that in the first embodiment, and the same reference numerals as those in the above description are given. A sliding member 54a is attached to the lower surface member 52 of the guide shoe member 50 to form a sliding contact surface 54, and the back surface of the guide shoe member 50 is formed to be substantially flat. The point that the moving member 55a is adhered and the sliding side surface 55 is formed is also equivalent to the above case.
[0026]
On the other hand, the guide frame member 23Y is a member having an H-shaped cross section as in the case of the first embodiment. In this embodiment, the upper surface of the flange portion of the guide rail member 23Y is used as the guide surface 24Y. The sliding contact surface 54 of the sliding member 54a on the guide shoe 50 side is brought into contact therewith to guide and guide it. Further, a stopper member 71 is fixed and protrudes upward from the upper surface of the flange portion of the guide frame member 23Y, and the inner surface side is used as the guide side surface 25Y, and the sliding member 55a on the rear surface of the guide shoe member 50 is provided. That is, the left and right positions of the guide shoe member 50 are regulated by guiding and guiding the sliding side surface 55.
[0027]
Even when configured in this manner, the same effects as those of the first embodiment can be achieved.
[0028]
【The invention's effect】
Conventionally, a tension device for a rope pulling type suspension transportation facility such as a cableway has a structure in which a sliding roller of a sliding frame on the moving side rolls forward and backward with respect to a guide frame on a fixed side. Commonly used. Although this configuration of the prior art has a preferable advantage that the rolling friction resistance is small, the surface pressure of the contact between the relatively small diameter sliding roller and the guide frame is large, so-called Hertz contact stress generated at the contact point is high, Therefore, wear of the sliding roller and wear and deformation of the guide rail were not easily caused.
[0029]
The tension device of the rope pulling type suspension transportation equipment of the present invention is provided with a sliding frame pivotally attached to a tension pulley so as to be slidable along the guide rail, and is tensioned by the tension force of the tensioning means. In the present invention, a guide shoe unit having a guide shoe member is provided on the sliding frame side, and a sliding contact surface of the guide shoe member, or A sliding member made of an antifriction material is attached to and abutted on any one of the guide surfaces of the stationary guide rail, and is configured to slide and move back and forth.
[0030]
With this configuration, the contact area between the sliding contact surface and the guide surface is large and the contact surface pressure is small. Therefore, the contact stress between them is low, and the guide rail and the guide shoe member are not easily worn or deformed. In addition, since sliding members made of an anti-friction material are used between them, there is an advantage that the friction coefficient is small and sliding is performed smoothly. In addition, since the support end of the support shaft is inserted in a substantially spherical shape with respect to the hole of the guide shoe member, the guide shoe member follows the unevenness of the guide frame member and is slightly displaced. Even if it occurs, this is applied without any trouble by the aligning action, and the sliding is performed smoothly.
[Brief description of the drawings]
FIG. 1 is a plan view showing the overall arrangement relationship of a single-line circulation cableway.
FIG. 2 is a side view showing a tension device of a rope pulling type suspension transportation facility such as a cableway.
FIG. 3 is a plan view showing a relationship between a guide frame and a sliding frame in a tension device of a rope pulling type suspension transportation facility such as a cableway.
FIG. 4 is a front view showing the configuration of the guide shoe unit in a partial cross-sectional view.
FIG. 5 is a side view showing a guide shoe member;
FIG. 6 is a front view illustrating a configuration of a guide shoe unit according to a second embodiment in a partial cross-sectional view.
FIG. 7 is a front view showing a configuration of a guide shoe unit in Embodiment 3 in a partial cross-sectional view.
FIG. 8 is a plan view showing the overall disposition relationship of a single track circulating cableway.
FIG. 9 is a plan view illustrating a configuration of a conventional tensioning device.
FIG. 10 is a front view illustrating the configuration of a conventional tensioning device.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Single track recirculation type cableway 2a, 2b Stop place 3 Pulley 3a Tension pulley 3b Driving pulley 4 Cable 5 Cableway 6 Driving device 7a, 7b Rail 10 Carrying device 11 Grip machine 12 Suspension machine 13 Carrying device body 20 Tensioning device 21 Support 22 Guide frame 23 Guide frame member 23a Groove portion 24 Guide surface 25 Guide side surface 28 Tensioning means 29 Hydraulic cylinder 30 Slide frame 31 Slide frame member 32 Connecting member 33 End portion 34 Bearing portion 35 Shaft 40 Guide shoe unit 41 Plate member 42 Support bracket 42a Flat plate portion 42b Boss portion 43 Hole 44 Bolt 45 Support shaft 45a Core portion 45b Intermediate portion 46 Bearing end portion 50 Guide shoe member 51 Hole 52 Lower surface member 53 Introduction portion 54 Sliding contact surface 54a Sliding member 55 Sliding side surface 55a Sliding member 60 Guide shoe unit 61 Sliding contact surface 62 Sliding member 63 Surface 64 Sliding contact surface 65 Sliding member 66 Guide surface 22Y Guide frame 23Y Guide frame member 24Y Guide surface 25Y Guide side surface 70 Guide shoe unit 71 Stopper member 101 Single-line circulation cableway 102a, 102b Stop places 103a, 103b Pulley 104 Cable Strip 105 Cableway 106 Driving device 107 Rail 110 Carriage 111 Grasping machine 112 Suspension machine 113 Passenger car body 120 Tensioning device 122 Guide frame 123 Guide frame member 128 Tensioning means 129 Hydraulic cylinder 130 Sliding frame 135 Shaft 145 Support shaft 150 Sliding roller

Claims (1)

A tensioning device used in a suspended transport facility such as a cableway that transports by pulling a carrier with a rope stretched between a pulley at both ends and a pulley,
The tension device includes a sliding frame pivotally attached to the pulley, a guide frame for guiding the sliding frame, and tension means for tensioning the sliding frame. The moving frame is provided with a guide shoe having a sliding contact surface, and the guide frame is provided with a guide surface for guiding the sliding contact surface, and the sliding contact surface is connected to the guide surface. the contact guide with a surface contact between each other, without to be supported, the use of anti-friction material on the sliding contact surface or guide surface, formed on the spherical surface-shaped support shaft fixed to said sliding frame A tensioning device for a rope pulling type suspension system such as a cableway, in which a supported end portion is inserted into a hole of the guide shoe and is slidably fitted so that the guide shoe is supported by the support end portion .

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