JP3909026B2 - Wire rope fastening bracket - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
  The present invention relates to a wire rope fastener for fixing two intersecting wire ropes to each other at the intersection.
[0002]
[Prior art]
  For example, on slopes dotted with floating stones, in order to prevent falling rocks, a falling rock prevention method may be implemented in which a number of wire ropes are stretched vertically and laterally and the floating stones are pressed down. In that case, the vertical and horizontal wire ropes are fixed to each other at the intersection.
[0003]
  As a wire rope fastening bracket for fixing the wire ropes that intersect with each other at the intersection, a cross clip as described in Patent Document 1 is known. As shown in FIG. 13, the cross clip includes a substrate 01, a pair of U bolts 02, 02 attached to the substrate 01 at a small interval, and nuts 03, 03... Screwed into the U bolt 02. For example, a horizontal wire rope 04 is disposed between a pair of U bolts 02 and 02, and a vertical wire rope 05 is passed over the horizontal wire rope 04 and into the U bolts 02 and 02. It arrange | positions so that it may penetrate, and the wire rope 05 is tightened with the U volt | bolts 02 and 02.
[0004]
  Further, in the rock fall prevention method as described above, it is necessary not only to fix the wire ropes at the intersections but also to fix the intersections to the ground. A cross anchor clip as described in Patent Document 2 is known as a wire rope fastening bracket that fixes each wire rope to each other at the intersection and also fixes the intersection to the ground. Yes. The cross anchor clip consists of a receiving washer and a holding washer having holes at both ends. The crossing portion of the wire rope is sandwiched between the receiving washer and the holding washer, and the upper end of the anchor bolt is inserted into one hole. A bolt is inserted into the other hole and the other hole is tightened with a nut. Each of the receiving washer and the holding washer is provided with a rope groove through which one of the wire ropes passes.
[0005]
[Patent Document 1]
        JP 2000-27123 A (page 3, FIG. 3)
[0006]
[Patent Document 2]
        Japanese Patent Laying-Open No. 2001-226916 (5th page, FIGS. 13 and 14)
[0007]
[Problems to be solved by the invention]
  However, in the cross clip as shown in Patent Document 1, as is clear from FIG. 13, the wire rope 05 disposed on the upper side is tightened by the U bolts 02 and 02 to tighten the lower wire rope 04. Therefore, there is a problem that the wire of the wire rope 05 is disconnected.
[0008]
  On the other hand, in the cross anchor clip as shown in Patent Document 2, since the intersecting wire rope is only sandwiched between the plate-shaped receiving washer and the holding washer, it prevents the wire rope from rotating and slipping. There is a problem in that the crossing portion cannot be stably held and fixed. The tightening force between the receiving washer and the holding washer may be increased, but doing so will cause the wire rope to be crushed and damaged.
[0009]
  The present invention has been made in view of the circumstances as described above, and provides a wire rope fastening bracket that can stably hold and fix an intersection of wire ropes without damaging the wire ropes. It is the purpose.
[0010]
[Means for Solving the Problems]
  In order to achieve the above object, the invention according to claim 1A wire rope fastening bracket for fixing two wire ropes intersecting each other at the intersection,It consists of a receiving washer and a holding washer that clamps the crossing part of the wire rope from both sides by tightening each other using the connecting hole, and the receiving washer and the holding washer face each other A first rope groove passing through one of the wire ropes is provided on the surface of the wire rope, and a strand groove along the strand of the wire rope is formed on the inner surface of the rope groove.The opposing faces of the receiving washer and the holding washer are provided with protrusions that protrude toward the other of the receiving washer and the holding washer and engage with each other.ThatSpecialIt is a sign.
[0011]
  TakeSpecialAccording to the feature, since the strand groove is formed on the inner surface of the rope groove provided in each of the receiving washer and the holding washer, rotation and slipping of the wire rope passed through the rope groove are prevented, and the wire rope is stabilized. Will be held and fixed. As a result, since it is not necessary to increase the tightening force applied to the wire rope, the wire rope can be prevented from being damaged.In addition, since the projections projecting toward the other of the receiving washer and the holding washer are provided on the opposing surfaces of the receiving washer and the holding washer,When fastening the receiving washer and the holding washer to each other, even if an excessive tightening force is applied, the protrusions provided on the receiving washer and the holding washer contact the other washer to prevent further tightening. IsAnd thisUnreasonable contact between the wire ropes is prevented, and the damage is prevented.Moreover, the protrusion of the receiving washer and the protrusion of the holding washer are engaged with each other,Since relative rotation and displacement between the receiving washer and the holding washer are prevented, the wire rope crossing portion can be more securely held and fixed.
[0012]
  And claims2The described inventionClaim 1In addition to the above feature, a second rope groove for passing the other of the wire rope is provided on the surface of the protrusion.SpecialSign andAnd thisAccording to the feature, any of the intersecting wire ropes is sandwiched by both the receiving washer and the holding washer, so that the holding and fixing is more stable.
[0013]
  Further claims3The described inventionClaim 1 or 2In addition to the above feature, the connecting hole is provided at one end of the receiving washer and the holding washer, and an anchor bolt insertion hole is provided at the opposite end.SpecialSign andAnd thisAccording to the feature, since it becomes possible to attach the wire rope fastening bracket to the anchor bolt, not only can the wire ropes be fixed to each other at the intersection, but also the intersection can be fixed to the ground. It becomes possible.
[0014]
  Further claims4The described inventionClaim 1, 2 or 3In addition to the above features, the receiving washer and the holding washer have the same shape.SpecialSign andAnd thisAccording to the feature, it is not necessary to distinguish between the receiving washer and the holding washer, so that the manufacturing cost can be reduced and the assembling workability can be improved.
[0015]
  And claims5In addition to the first or second feature described above, the invention describedA wire rope fastening bracket for fixing two wire ropes crossing each other at the crossing portion, having a connecting hole, and tightening each other using the connecting hole. A receiving washer and a holding washer that sandwich the crossing portion of the rope from both sides, and a first rope groove for passing one of the wire ropes is provided on the mutually facing surfaces of the receiving washer and the holding washer, respectively. A strand groove along the strand of the wire rope is formed on the inner surface of the rope groove,The connecting hole is provided at one end of the receiving washer and the holding washer, and an engaging portion for engaging the receiving washer and the holding washer is provided at the opposite end.SpecialIt is a sign.
[0016]
  thisSpecialAccording to the signSince the strand groove is formed on the inner surface of the rope groove provided in each of the receiving washer and the holding washer, the wire rope passed through the rope groove is not rotated or slipped. The wire rope is stably held and fixed. As a result, since it is not necessary to increase the tightening force applied to the wire rope, the wire rope can be prevented from being damaged. In addition, a connecting hole is provided at one end of the receiving washer and the holding washer, and an engaging portion for engaging the receiving washer and the holding washer at the opposite end is provided.When assembling the receiving washer and the holding washer, it is only necessary to engage the end on one side.WhatThe assembling work becomes easy.
[0017]
  And claims6The described inventionClaim 5In addition to the above feature, a second rope groove for passing the other of the wire ropes is provided in one of the receiving washer and the holding washer so as to intersect with the first rope groove. And a protrusion inserted into the first rope groove is provided on the other of the receiving washer and the holding washer.SpecialSign andAnd thisAccording to the feature, each of the intersecting wire ropes is sandwiched by both the receiving washer and the holding washer, so that the holding and fixing of each wire rope is more stable, and the protrusion and the first rope groove Since the relative rotation and displacement between the receiving washer and the holding washer are prevented by the engagement, the wire rope crossing portion can be held and fixed more reliably.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
  Hereinafter, embodiments of the present invention will be described based on examples of the present invention shown in the accompanying drawings.
[0019]
  1 to 12 show an embodiment of a wire rope fastening metal fitting according to the present invention, FIG. 1 is a plan view showing a state where a falling rock prevention construction method is constructed using the wire rope fastening metal fitting, and FIG. 1 is a cross-sectional view taken along line 2-2 in FIG. 1, FIG. 3 is an enlarged plan view of a cross anchor clip portion viewed from the direction of arrow 3 in FIG. 2, FIG. 4 is a cross-sectional view taken along line 4-4 in FIG. 4 is a plan view of the receiving washer seen from the direction of line 5-5 in FIG. 4, FIG. 6 is a rear view of the press washer seen from the direction of line 6-6 in FIG. 4, and FIG. FIG. 8 is an enlarged plan view of the cross clip portion viewed in the direction of arrow 8 in FIG. 2, FIG. 9 is a cross-sectional view taken along line 9-9 in FIG. 8, and FIG. FIG. 11 is a plan view of the receiving washer viewed from the direction of line 11-11 in FIG. Figure 12 is a rear view of the retainer washer viewed from line 12-12 direction of FIG.
[0020]
  1 and 2, a large number of wire ropes 11, 11,..., 12, 12,. Each wire rope 11, 11... 12, 12... Is fixed to the rock by the main anchors 13 and 13 at every other end. Further, the vertical wire rope 11 and the horizontal wire rope 12 fixed by the main anchor 13 are fixed to each other by the cross anchor clip 14 and also to the ground 10 at the intersection. . On the other hand, the other wire ropes 11, 11,..., 12, 12,... Are fixed to each other by cross clips 15, 15. Thereby, a net composed of vertical and horizontal wire ropes 11, 11,..., 12, 12,... Is formed, the float is pressed down, and falling rocks and collapse are prevented. The cross anchor clip 14 and the cross clip 15 used here are examples of the wire rope fastening fitting according to the present invention.
[0021]
  As shown in FIGS. 3 to 7, the cross anchor clip 14 includes a receiving washer 16 and a press washer 17. The receiving washer 16 and the holding washer 17 are plate-shaped parts formed by casting, and are stacked so as to face each other with an intersecting portion between the vertical wire rope 11 and the horizontal wire rope 12 interposed therebetween. Assembled.
[0022]
  Connection holes 18 and 19 are provided at one end of the receiving washer 16 and the holding washer 17, and anchor holes 20 and 21 are provided at opposite ends thereof. The holes 18, 19 and 20, 21 have the same diameter. As shown in FIG. 4, bolts 22 are inserted into the connecting holes 18 and 19, and nuts 23 are screwed into the bolts 22. Further, the anchor holes 20 and 21 are inserted into the anchor bolts 24 with the lower ends deeply inserted into the ground and fixed to the ground 10, and nuts 25 are screwed into the anchor bolts 24. . In this way, by tightening the nuts 23 and 25 respectively, the receiving washer 16 and the holding washer 17 are fastened to each other, and the intersecting portions of the wire ropes 11 and 12 are sandwiched from both sides.
[0023]
  As shown in FIG. 5, the receiving washer 16 is provided with a first rope groove 26 through which the longitudinal wire rope 11 passes on a surface 16 a facing the holding washer 17. The rope groove 26 extends through a center O of the receiving washer 16 and extends in a direction that forms an angle of approximately 45 ° with respect to a straight line connecting the centers of the holes 18 and 20. Further, on the opposite surface 16 a of the receiving washer 16, projections 27, 27 projecting toward the holding washer 17 are provided on both sides of the rope groove 26. Each of the protrusions 27 and 27 is symmetrical with respect to the center O of the receiving washer 16, has a side parallel to a straight line connecting the centers of the holes 18.20 and a side orthogonal to the side, and the surface is flat. It is said that. A second rope groove 28 through which the lateral wire rope 12 passes is provided on the surface of the protrusion 27 in a direction orthogonal to the first rope groove 26.
[0024]
  On the other hand, as shown in FIG. 6, the press washer 17 is provided with a first rope groove 29 through which the wire rope 12 in the horizontal direction passes through a surface 17 a facing the receiving washer 16. The rope groove 29 passes through the center O ′ of the press washer 17 and extends in a direction that forms an angle of approximately 45 ° with respect to a straight line connecting the centers of the holes 19 and 21. Further, on the opposing surface 17 a of the press washer 17, projections 30, 30 projecting toward the receiving washer 16 side are provided on both sides of the rope groove 29. Each of the protrusions 30 and 30 has a symmetrical shape with respect to the center O ′ of the presser washer 17 and has a side parallel to a straight line connecting the centers of the holes 19 and 21 and a side perpendicular to the side, and the surface thereof is It is assumed to be a plane. A second rope groove 31 through which the longitudinal wire rope 11 passes is provided on the surface of the protrusion 30 in a direction orthogonal to the first rope groove 29.
[0025]
  In this way, when the receiving washer 16 and the holding washer 17 are stacked face to face with each other, there is a vertical direction between the first rope groove 26 of the receiving washer 16 and the second rope groove 31 of the holding washer 17. The wire rope 11 is sandwiched between the first rope groove 29 of the presser washer 17 and the second rope groove 28 of the receiver washer 16 so that the receiver washer 16 and the presser washer 16 are pressed. The wire ropes 11 and 12 cross each other at the center O and O ′ portion of the washer 17. At that time, the projections 27 and 27 of the receiving washer 16 and the projections 30 and 30 of the holding washer 17 are engaged with each other.
[0026]
  The wire ropes 11 and 12 used here are each formed by twisting three strands s formed by twisting several to several tens of strands. Strand grooves 26s, 28s; 29s, 31s along the strands s of the corresponding wire ropes 11, 12 are formed on the inner surfaces of the rope grooves 26, 28 of the receiving washer 16 and the rope grooves 29, 31 of the press washer 17, respectively. ing. One strand groove 26 s formed in the first rope groove 26 of the receiving washer 16 passes through the center O of the receiving washer 16. One of the strand grooves 29 s formed in the first rope groove 29 of the press washer 17 also passes through the center O ′ of the press washer 17. Therefore, when the wire ropes 11 and 12 are respectively fitted into the first rope grooves 26 and 29 so that the strands s thereof extend along the strand grooves 26s and 29s, as shown in FIG. At the crossing position of the wire ropes 11 and 12 in the direction, that is, at the center O and O ′ portion of the receiving washer 16 and the holding washer 17, each wire rope 11 and 12 passes through two strands s, s; They will be in contact with each other.
[0027]
  The receiving washer 16 and the holding washer 17 having such a configuration have exactly the same shape.
[0028]
  As shown in FIGS. 8 to 12, the cross clip 15 is also composed of a receiving washer 32 and a holding washer 33. The receiving washer 32 and the holding washer 33 are prismatic shapes formed by casting, and are assembled so as to overlap each other with the intersection of the vertical wire rope 11 and the horizontal wire rope 12 therebetween. .
[0029]
  Connection holes 34 and 35 are provided at one end of the receiving washer 32 and the holding washer 33. The connection hole 34 of the receiving washer 32 is a screw hole, and the connection hole 35 of the holding washer 33 is a bolt insertion hole. Further, a hook-like engagement portion 36 that protrudes upward from a surface 32 a facing the presser washer 33 is provided at the opposite end of the receiving washer 32. On the other hand, a claw-like engaging portion 37 that engages with the engaging portion 36 is provided at the opposite end of the press washer 33. Thus, as shown in FIG. 9, the engaging portion 36 of the receiving washer 32 and the engaging portion 37 of the holding washer 33 are engaged with each other, and the bolt 38 inserted into the connecting hole 35 of the holding washer 33 is received. By screwing into the connecting hole 34 of the washer 32 and tightening the bolt 38, the receiving washer 32 and the holding washer 33 are fastened to each other so that the intersecting portion of the wire ropes 11 and 12 is sandwiched from both sides. It has become.
[0030]
  As shown in FIG. 11, the receiving washer 32 is provided with a first rope groove 39 through which the longitudinal wire rope 11 passes through a surface 32 a that faces the holding washer 33. The rope groove 39 passes through the center P of the receiving washer 32 and extends in a direction that forms an angle of approximately 45 ° with respect to the longitudinal direction of the receiving washer 32. Further, a second rope groove 40 through which the lateral wire rope 12 passes is provided in a direction orthogonal to the first rope groove 39 on the facing surface 32 a of the receiving washer 32. As shown in FIG. 10, the depth of the first rope groove 39 is sufficiently larger than the diameter of the wire rope 11. On the other hand, the depth of the second rope groove 40 is smaller than the radius of the wire rope 12. Therefore, the first rope groove 39 and the second rope groove 40 intersect each other with a step.
[0031]
  On the inner surface of the rope groove 39, strand grooves 39s along the strands s of the corresponding wire rope 11 are formed. One strand groove 39 s formed in the first rope groove 39 passes through the center P of the receiving washer 32.
[0032]
  In addition, as shown in FIG. 12, the press washer 33 is provided with a first rope groove 41 through which the lateral wire rope 12 passes through a surface 33 a that faces the receiving washer 32. The rope groove 41 passes through the center P ′ of the press washer 33 and extends in a direction that forms an angle of approximately 45 ° with the longitudinal direction of the press washer 33. Further, on the opposite surface 33 a of the press washer 33, projections 42, 42 that protrude toward the receiving washer 32 side and extend in a direction orthogonal to the rope groove 41 are provided on both sides of the rope groove 41. The width of the protrusion 42 is set to fit into the first rope groove 39 provided in the receiving washer 32.
[0033]
  The rope groove 41 provided in the holding washer 33 also has a strand groove 41s formed on the inner surface thereof. The strand groove 41 s extends along the strand s of the wire rope 12 in the lateral direction, and one of the strand grooves 41 s passes through the center P ′ of the press washer 33.
[0034]
  In this manner, the wire ropes 11 and 12 in the vertical direction and the horizontal direction are arranged so that the strands s run along the strand grooves 39s and 41s provided in the first rope grooves 39 and 41 of the washers 32 and 33, respectively. As shown in FIG. 9, at the crossing positions of the wire ropes 11 and 12, that is, at the centers P and P ′ of the receiving washer 32 and the holding washer 33, as shown in FIG. Each of the wire ropes 11 and 12 comes into contact with each other via two strands s, s; s, s. Then, when the receiving washer 32 and the holding washer 33 are stacked facing each other in this state, the protrusion 42 of the holding washer 33 is inserted into the first rope groove 39 of the receiving washer 32, as shown in FIG. The vertical wire rope 11 is sandwiched between the rope grooves 39 and the protrusions 42, and the horizontal rope 11 is interposed between the first rope groove 41 of the press washer 33 and the second rope groove 40 of the receiving washer 32. The wire rope 12 is sandwiched.
[0035]
  Next, the operation of the wire rope fastening bracket configured as described above, that is, the cross anchor clip 14 and the cross clip 15 will be described.
[0036]
  When the crossing portion of the wire ropes 11, 12 is fixed by the cross anchor clip 14, first, the anchor hole portion 20 of the receiving washer 16 is inserted into the upper end portion of the anchor bolt 24 fixed to the ground 10. Then, the vertical wire rope 11 is caused to run along the first rope groove 26 provided in the receiving washer 16, and the horizontal wire rope 12 is made to run along the second rope groove 28. At that time, the strands s, s... Of the wire ropes 11, 12 are matched with the strand grooves 26 s, 28 s formed in the rope grooves 26, 28. When the strands s of the wire ropes 11 and 12 are displaced from the strand grooves 26s and 28s, the positions of the wire ropes 11 and 12 may be slightly changed or the wire ropes 11 and 12 may be slightly twisted. Next, the presser washer 17 is overlaid thereon, and the anchor bolt 24 is inserted into the anchor hole 21 of the presser washer 17 and the bolt 22 is inserted into the connecting holes 18 and 19 of the receiver washer 16 and the presser washer 17. . When the press washer 17 is positioned with respect to the receiving washer 16 in this way, the center O of the receiving washer 16 and the center O ′ of the press washer 17 coincide with each other, and the strands s and s of the wire ropes 11 and 12 become This also matches the strand grooves 29s and 31s formed in the 17 rope grooves 29 and 31. Therefore, in this state, the nuts 23 and 25 are screwed into the bolt 22 and the anchor bolt 24, respectively, and are tightened. As a result, the intersecting portion of the wire ropes 11 and 12 is sandwiched between the receiving washer 16 and the holding washer 17 from both sides.
[0037]
  In this state, the vertical wire rope 11 is in surface contact with the inner surfaces of the first rope groove 26 of the receiving washer 16 and the second rope groove 31 of the holding washer 17, and the horizontal wire rope 12 is pressed against the holding washer. The first rope groove 29 of 17 and the inner surface of the second rope groove 28 of the receiving washer 16 are in surface contact. Therefore, the wire ropes 11 and 12 are securely held, and their rotation and sliding are prevented. Further, since the receiving washer 16 and the holding washer 17 are fixed to the anchor bolt 24, the wire ropes 11, 12 sandwiched between the washers 16, 17 are also fixed to the ground 10. become.
[0038]
  And since the wire ropes 11 and 12 are hold | maintained and fixed by the surface contact with the receiving washer 16 and the press washer 17 in this way, it is not necessary to press the wire ropes 11 and 12 strongly. Further, the wire ropes 11 and 12 are kept substantially straight without being curved. Therefore, damage due to disconnection of the strands of the wire ropes 11 and 12 is prevented. Moreover, since the wire ropes 11 and 12 are in contact with each other through the two strands s and s at the crossing position, the wire ropes 11 and 12 are connected to the wire ropes 11 and 12 from both sides by the receiving washer 16 and the holding washer 17. The transmitted tightening force is distributed over the two strands s and s. As a result, excessive force is prevented from being applied to the wire ropes 11 and 12, and early damage to the wire ropes 11 and 12 is prevented. Further, since the receiving washer 16 and the holding washer 17 are provided with projections 27 and 30 protruding from the opposing surfaces 16 and 17, it is assumed that the receiving washer 16 and the holding washer 17 are accidentally tightened with an excessive force. However, the protrusions 27 and 30 abut against the facing washers 17 and 16 to prevent further tightening. Thereby, excessive contact between the wire ropes 11 and 12 is prevented, and the damage is prevented.
[0039]
  Further, since the projections 27 and 30 provided on the receiving washer 16 and the holding washer 17 are engaged with each other, the positioning of the washer 16 and 17 is facilitated and the receiving portion 16 and 17 are received. The relative rotation and displacement between the washer 16 and the presser washer 17 are prevented, and the crossing portion of the wire ropes 11 and 12 is reliably held and fixed.
[0040]
  Furthermore, since the receiving washer 16 and the holding washer 17 have the same shape as each other, only one mold is required for the molding, and the manufacturing cost can be reduced. Further, since it is not necessary to distinguish between the receiving washer 16 and the holding washer 17 at the time of assembly, the assembling work becomes easier.
[0041]
  Next, when the crossing portion of the wire ropes 11, 12 is fixed by the cross clip 15, first, the receiving washer 32 is positioned below the crossing portion of the wire ropes 11, 12, and the first provided on the receiving washer 32 is provided. The vertical wire rope 11 is fitted into one rope groove 39 and the horizontal wire rope 12 is allowed to run along the second rope groove 40. At that time, as in the case of the cross anchor clip 14, the strands s, s... Of the wire rope 11 are matched with the strand grooves 39 s formed in the rope grooves 39. Next, the presser washer 33 is overlaid thereon, the engaging part 37 of the presser washer 33 is engaged with the engaging part 36 of the receiving washer 32, and the bolt 38 is inserted into the connecting hole 35 of the presser washer 33. The bolt 38 is screwed into the connecting hole 34 of the washer 32. When the holding washer 33 is positioned relative to the receiving washer 33 in this way, the center P of the receiving washer 32 and the center P ′ of the holding washer 33 coincide with each other, and the strands s, s of the wire ropes 11, 12 become This also matches the strand groove 41 s formed in the 33 rope grooves 41. Therefore, the bolt 38 is tightened in this state.
[0042]
  In this way, the projection 42 provided on the facing surface 33 a of the press washer 33 fits into the first rope groove 39 provided on the facing surface 32 a of the receiving washer 32 and passes through the rope groove 39. Since the vertical wire rope 11 is pressed by the protrusion 42 of the press washer 33, the vertical wire rope 11 is pressed against the inner surface of the first rope groove 39 of the receiving washer 32. Further, the lateral wire rope 12 is sandwiched between the inner surface of the second rope groove 40 provided in the receiving washer 32 and the inner surface of the first rope groove 41 provided in the holding washer 33. . The strand grooves 39s and 41s are formed on the inner surfaces of the rope grooves 39 and 41, respectively, so that the longitudinal wire rope 11 comes into surface contact with the inner surface of the first rope groove 39 of the receiving washer 32 and is The wire rope 12 in the direction comes into surface contact with the inner surfaces of the first rope groove 41 of the press washer 33 and the second rope groove 40 of the receiving washer 32. Therefore, the wire ropes 11 and 12 are securely held, and their rotation and sliding are prevented.
[0043]
  In this way, the intersecting portion of the wire ropes 11 and 12 is sandwiched from both sides by the receiving washer 32 and the holding washer 33, whereby the wire ropes 11 and 12 are held and fixed to each other.
[0044]
  In the cross clip 15, as in the case of the cross anchor clip 14, it is not necessary to strongly press the wire ropes 11 and 12, and the wire ropes 11 and 12 are substantially straight without being curved. Since it is maintained in the shape, damage due to disconnection of the strands of the wire ropes 11 and 12 is prevented. Moreover, since the wire ropes 11 and 12 are in contact with each other via the two strands s and s at the crossing position, it is possible to prevent an excessive force from being applied to the wire ropes 11 and 12. Early damage to the wire ropes 11 and 12 is prevented.
[0045]
  Further, at the time of assembly, since the protrusion 42 provided on the press washer 33 is inserted into the first rope groove 39 provided on the receiving washer 32, the assembly of the washers 32 and 33 is performed. Is easy to align, and the engagement between the projection 42 and the first rope groove 39 prevents relative rotation and displacement between the receiving washer 32 and the holding washer 33, and the crossing of the wire ropes 11 and 12 is ensured. To be held and fixed stably.
[0046]
  Furthermore, the end portions on one side of the receiving washer 32 and the presser washer 33 are connected simply by engaging the engaging portions 36 and 37, so that the screw member when the cross clip 15 is assembled is used. Tightening work can be reduced. Therefore, the assembling work becomes easy.
[0047]
  Although one embodiment of the present invention has been described above, the present invention is not limited to the embodiment, and various embodiments are possible within the scope of the present invention.
[0048]
  For example, the present invention can also be applied when the wire ropes 11 and 12 intersect at an angle other than 90 °. In that case, the angle formed by the rope grooves 26, 28... Provided in the receiving washers 16 and 32 and the holding washers 17 and 33 may be changed according to the crossing angle of the wire ropes 11 and 12. Moreover, the wire ropes 11 and 12 used are not limited to three strands, and the present invention can be applied to the case where six strands or eight strands are used. In that case, what is necessary is just to change the number, shape, etc. of the strand grooves 26s, 28s ... formed in the rope grooves 26, 28 ... according to the number of strands. Further, the receiving washer 32 and the holding washer 33 of the cross clip 15 may be provided with a part of the configuration, for example, the engaging portions 36 and 37, the rope groove 39 and the protrusion 42 on the opposite side.
[0049]
【The invention's effect】
  As aboveOf each claimAccording to the invention, since the strand groove along the strand of the wire rope is formed on the inner surface of the rope groove through which the wire rope passes, the wire rope comes into surface contact with the inner surface of the rope groove. Is stably held and fixed. As a result, it is not necessary to apply an excessive force to the wire rope, so that the wire rope can be prevented from being damaged.
[0050]
  AlsoClaim 1According to the invention, since the protrusions are provided on the opposing surfaces of the receiving washer and the holding washer, there is no possibility that an excessive force is applied to the wire rope, and damage to the wire rope can be more reliably prevented. it can. MoreoverSince the protrusions provided on the opposing surfaces of the receiving washer and the holding washer engage with each other, relative rotation and displacement between the receiving washer and the holding washer can be prevented.TheTherefore, it is possible to facilitate the positioning operation of the receiving washer and the holding washer during assembly, and to more reliably hold and fix the wire rope intersection.
[0051]
  AlsoClaim 2According to the invention, since the rope groove is provided also on the surface of the protrusion, the intersecting wire ropes can be sandwiched by both the receiving washer and the holding washer. Therefore, the holding and fixing of the wire rope can be further stabilized.
[0052]
  furtherOf claim 3According to the invention, since the receiving washer and the holding washer can be fixed to the anchor bolt, it is possible not only to fix the crossing wire ropes to each other but also to fix the crossing portion to the ground. It becomes.
[0053]
  FurthermoreClaim 4According to the invention, since the receiving washer and the holding washer have the same shape, the manufacturing cost can be reduced and the assembling workability can be improved.
[0054]
  AlsoOf claim 5According to the invention, since the engaging portion for engaging the receiving washer and the holding washer is provided at one end of the receiving washer and the holding washer, when assembling the receiving washer and the holding washer, The end on one side only needs to be engaged, and the assembling work can be facilitated.
[0055]
  AlsoClaim 6According to the invention, the second rope groove through which the other of the wire rope is passed is provided in one of the receiving washer and the holding washer, and the second rope groove is inserted into the other of the receiving washer and the holding washer. Since each of the intersecting wire ropes is sandwiched by both the receiving washer and the holding washer, the holding and fixing of each wire rope can be further stabilized, and the protrusions are provided. And the first rope groove can prevent relative rotation and displacement between the receiving washer and the holding washer, so that the wire rope crossing portion can be held and fixed more reliably.
[Brief description of the drawings]
FIG. 1 is a plan view showing a state in which a rock fall prevention method is applied using a wire rope fastening bracket according to the present invention.
FIG. 2 is a sectional view taken along line 2-2 in FIG.
3 is an enlarged plan view of a cross anchor clip portion viewed from the direction of arrow 3 in FIG. 2;
4 is a cross-sectional view taken along line 4-4 of FIG.
FIG. 5 is a plan view of the receiving washer viewed from the direction of line 5-5 in FIG.
6 is a rear view of the presser washer as seen from the direction of line 6-6 in FIG.
FIG. 7 is a perspective view showing a state in which the crossing portion of the wire rope is fixed by the cross anchor clip.
8 is an enlarged plan view of a cross clip portion viewed from the direction of arrow 8 in FIG.
9 is a sectional view taken along line 9-9 in FIG.
10 is a sectional view taken along line 10-10 in FIG.
11 is a plan view of a washer viewed from the direction of line 11-11 in FIG. 9;
12 is a rear view of the presser washer seen from the direction of line 12-12 in FIG.
FIGS. 13A and 13B show a cross clip as an example of a conventional wire rope fastening bracket, wherein FIG. 13A is a plan view, and FIG. 13B is a side view seen from the direction of line bb in FIG.
[Explanation of symbols]
  11 Longitudinal wire rope
  12 Wire rope in the horizontal direction
  14 Cross anchor clip (wire rope fastening bracket)
  15 Cross clip (wire rope fastening bracket)
  16 Washer
  16a facing surface
  17 Presser washer
  17a Opposing surface
  18 Connecting hole
  19 Connecting hole
  20 Anchor hole
  21 Anchor hole
  26 First rope groove
  26s strand groove
  27 Protrusion
  28 Second rope groove
  28s strand groove
  29 First rope groove
  29s Strand groove
  30 Protrusion
  31 Second rope groove
  31s Strand groove
  32 Washer
  32a Opposite surface
  33 Presser washer
  33a Opposing surface
  34 Connecting hole
  35 Connecting hole
  36 engaging part
  37 engaging part
  39 First rope groove
  39s strand groove
  40 Second rope groove
  41 First rope groove
  41s strand groove
  42 Protrusions
  s Strand

Claims (6)

A wire rope fastening bracket (1 4 ) for fixing two wire ropes (11, 12) intersecting each other at the intersection,
Has a connecting hole (18, 1 9), pinching the connecting hole intersections of the wire rope (11, 12) by tightening one another using a (18,1 9) from both sides It consists of a receiving washer (1 6 ) and a holding washer (1 7 )
The opposing surfaces thereof receiving washer (1 6) and the presser washer (1 7) (16a, 17 a), a first rope groove through one of the (11, 12) of each of said wire rope (11, 12) (26, 2 9 ) is provided, and on the inner surface of the rope groove (26, 2 9 ), a strand groove (26s, 29 s ) along the strand (s) of the wire rope (11, 12) is formed. ,
Projecting portions that protrude toward the other of the receiving washer (16) and the holding washer (17) and engage with each other on the opposing surfaces (16a, 17a) of the receiving washer (16) and the holding washer (17). (27, 30), characterized in Rukoto provided, wire rope fastening bracket. A second rope groove (28, 31) for passing the other (12, 11) of the wire rope (11, 12) is provided on the surface of the protrusion (27, 30). The wire rope fastener according to claim 1 . The connecting hole (18, 19) is provided at one end of the receiving washer (16) and the holding washer (17), and at the opposite end, an anchor bolt (24) insertion hole (20 21) is provided. The wire rope fastening bracket according to claim 1 or 2 , wherein the wire rope fastening bracket is provided. The wire rope fastening bracket according to claim 1 , 2 or 3, wherein the receiving washer (16) and the holding washer (17) have the same shape. A wire rope fastening bracket (15) for fixing two wire ropes (11, 12) intersecting each other at the intersection,
A receiving washer that has a connecting hole (34, 35) and clamps the crossed portion of the wire rope (11, 12) from both sides by tightening each other using the connecting hole (34, 35). (32) and holding washer (33),
The first rope grooves (39, 39) through which one (11, 12) of the wire ropes (11, 12) are passed through the mutually facing surfaces (32a, 33a) of the receiving washer (32) and the holding washer (33), respectively. 41) and strand grooves (39s, 41s) along the strands (s) of the wire ropes (11, 12) are formed on the inner surfaces of the rope grooves (39, 41),
The connecting hole (34, 35) is provided at one end of the receiving washer (32) and the holding washer (33), and at the opposite end, the receiving washer (32) and the holding washer (33). wherein the engagement portion for the engagement with each other (36, 37) is provided, the wire rope fastening bracket. A second rope groove (40) through which the other (12) of the wire ropes (11, 12) passes through either the receiving washer (32) or the holding washer (33) (32) is the first washer. The rope groove (39) is provided in a crossing manner with a step, and the other one of the receiving washer (32) and the holding washer (33) (33) is connected to the first rope groove (39). 6. The wire rope fastening bracket according to claim 5 , wherein a protrusion (42) to be inserted is provided.

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