Rope socket device and rope socket method

Abstract

To provide a rope socket device and a rope socket method that make it easy to properly fasten even a large-diameter rope to a fastener.SOLUTION: A rope socket device 1 includes a frame body 10, a traction device 20, and a detector. A socket 120 is fixed to the frame body 10. The traction device 20 pulls a rope. The detector has a detection unit which detects a movement of the socket 120 relative to a wedge. The detection unit detects which of the socket 120 and a tip end of the wedge faces the detection unit.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] FIELD OF THE PRESENT EMBODIMENTS The present invention relates to a rope socketing device and a rope socketing method. [Background technology]

[0002] For example, as disclosed in Japanese Patent No. 5625763, a wedge-type fastener 100 is known for connecting a car or a counterweight of an elevator system to a wire rope. As shown in Fig. 9, the fastener 100 has a wedge 110 and a socket 120 that receives the wedge 110. The fastener 100 has a front end 101 and a rear end 103.

[0003] In FIG. 9, the fastener 100 extends along the Z direction. In this specification, the direction from the tip 101 of the fastener 100 toward the rear end 103 is referred to as the +Z direction. Also, the direction from the rear end 103 of the fastener 100 toward the tip 101 is referred to as the -Z direction. Also, in the following, the tip 101 side of the fastener 100 is the tip side of the wedge 110 and the socket 120, and the rear end 123 side of the fastener 100 is the rear end side of the wedge 110 and the socket 120. Therefore, the +Z direction coincides with the direction from the tip 111, 121 of the wedge 110 and the socket 120 toward the rear end 113, 123, and the -Z direction coincides with the direction from the rear end 113, 123 of the wedge 110 and the socket 120 toward the tip 111, 121. Also, in this specification, the width direction of the fastener 100 is referred to as the X direction, and the thickness direction is referred to as the Y direction.

[0004] The wedge 110 has a front end 111, a rear end 113, and a pair of side edges 115, 115 connecting the front end 111 and the rear end 113. The wedge 110 tapers from the rear end 113 toward the front end 111. The side edges 115, 115 of the wedge 110 are V-shaped. A portion R1 of the rope R is wound from one side edge 115 of the wedge 110 through the rear end 113 to the other side edge 115. The wedge 110 is received in the socket 120 with the rope R wound around it.

[0005] The socket 120 has an internal space A into which the wedge 110 is inserted. A front end opening 122 is formed at a front end 121 of the socket 120. A rear end opening 124 is formed at a rear end 123 of the socket 120. The front end opening 122 and the rear end opening 124 communicate with the internal space A. The internal space A of the socket 120 tapers from the rear end 123 toward the front end 121. The inner surface of the socket 120 has a pair of inner surfaces 125, 125 facing the pair of side edges 115, 115 of the wedge 110. The pair of inner surfaces 125, 125 are generally V-shaped in correspondence with the pair of side edges 115, 115 of the wedge 110 being V-shaped. Therefore, each inner surface 125 is generally parallel to the corresponding side edge 115 of the wedge 110. The portion R1 of the rope R wound around the socket 120 is sandwiched between the side edges 115, 115 of the wedge 110 and the inner surfaces 125, 125 of the socket 120. The tip 111 of the wedge 110 extends through the tip opening 122. In addition, both side portions R0, R2 of the portion R1 of the rope R extend through the tip opening 122. The both side portions R0, R2 of the rope R are held by the holder 130 and fixed to each other. [Prior art documents] [Patent documents]

[0006] [Patent Document 1] Patent No. 5625763 Summary of the Invention [Problem to be solved by the invention]

[0007] Such a wedge-type fastener is preferable in terms of safety, since it does not use fire to fasten the rope. However, when the rope has a large diameter, such as the rope used in a large-capacity, high-speed elevator, it is difficult to fasten the rope to the wedge-type fastener. This is because the rope has a strong repulsive force, making it difficult to bend the rope along the outer periphery of the wedge, and as a result, it is difficult to pull the wedge around which the rope is wound into the appropriate position in the socket.

[0008] The present invention has been made in consideration of these points, and aims to provide a rope socketing device and a rope socketing method that make it easy to properly fasten even ropes with a large diameter to a fastener. [Means for solving the problem]

[0009] The rope socketing device according to this embodiment is A rope socketing device fastens a rope to a fastener including a wedge and a socket that receives the wedge in a tip portion thereof, by drawing the wedge and the portion of the rope into the tip portion of the socket in a state in which a portion of the rope is wound around the wedge and both side portions of the portion of the rope extend from an opening in the tip portion of the socket together with the tip portion of the wedge, a frame body to which the both side portions of the rope and one of the sockets are engaged; a traction device for traction the other of the two side portions of the rope and the socket; a detector fixed to the tip portion of the wedge at a position facing the fastener, the detector having a detection portion that detects movement of the socket relative to the wedge; Equipped with The detection unit faces the socket before the both side portions of the rope or the socket are pulled by the pulling device, and faces the tip of the wedge when the both side portions of the rope or the socket move by a predetermined amount or more relative to the socket or the both side portions of the rope due to the pulling of the both side portions of the rope or the socket by the pulling device, The detection portion detects whether the tip of the socket or the tip of the wedge faces the detection portion.

[0010] The rope socketing method according to the present embodiment is a method for fastening the rope to the fastener using the above-mentioned rope socketing device, inserting the wedge and the rope into the socket such that the both side portions of the rope extend from the opening at the tip of the socket together with the tip of the wedge in a state where the portion of the rope is wound around the wedge; a step of engaging the two side portions of the rope and one of the sockets with the frame; connecting the other of the two side portions of the rope and the socket to the traction device; fixing the tip portion of the wedge relative to the detector; A step of pulling one of the two side portions of the rope and the socket with the pulling device, and detecting with the detector which of the socket and the tip of the wedge faces the detection unit; Equipped with. [Brief description of the drawings]

[0011] [Figure 1] FIG. 1 is a perspective view showing an example of the overall configuration of a rope socketing device according to the present embodiment. [Diagram 2] FIG. 2 is an enlarged side view of a portion of the rope socketing device shown in FIG. [Figure 3A]FIG. 3A is a side view of the fastener with detector before traction. [Figure 3B] FIG. 3B is a side view of the fastener after traction along with the detector. [Figure 4A] FIG. 4A corresponds to FIG. 3A and shows a modified example of the detector. [Figure 4B] FIG. 4B corresponds to FIG. 3B and shows a modified example of the detector. [Diagram 5] FIG. 5 is a partially enlarged perspective view showing a modified example of the rope socketing device. [Figure 6] FIG. 6 is a partially enlarged perspective view showing another modified example of the rope socketing device. [Figure 7] FIG. 7 is a perspective view showing still another modified example of the rope socketing device. [Figure 8] FIG. 8 is a perspective view showing still another modified example of the rope socketing device. [Figure 9] FIG. 9 shows the fastener with the rope fastened thereto. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0012] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In order to clarify the directional relationship between the drawings, some drawings show common directions by arrows with common symbols. An arrow pointing toward the viewer in a direction perpendicular to the surface of the drawing is shown by a symbol with a dot in a circle, as shown in Fig. 2, for example. An arrow pointing toward the viewer in a direction perpendicular to the surface of the drawing is shown by a symbol with an x ​​in a circle, as shown in Fig. 9, for example.

[0013] The device 1 is used to fasten the rope R to the fastener 100 shown in FIG. 9. The configuration of the fastener 100 is the same as that shown in FIG. 9, so the description of the fastener 100 will be omitted. The fastener 100 is attached to the rope socketing device 1 in a state in which the part R1 of the rope R is wound around the wedge 110 and inserted into the internal space A of the socket 120 together with the wedge 110, and the both side parts R0 and R2 of the rope R extend from the tip opening 122 of the socket 120 together with the tip part 111 of the wedge 110. The rope socketing device 1 pulls the wedge 110 around which the rope R is wound to an appropriate position in the socket 120, and fastens the rope R to the fastener 100.

[0014] The following describes the configuration of the rope socketing device 1. The rope socketing device 1 (hereinafter also simply referred to as "device 1") includes a frame 10, a traction device 20, and a detector 30.

[0015] The frame 10 supports the traction device 20 and the detector 30. The frame 10 also has a locking portion 11 that locks the above-mentioned both side portions R0, R2 of the rope R. In the illustrated example, the locking portion 11 of the frame 10 comes into contact with the holder 130 to restrict the movement of the holder 130 in the +Z direction.

[0016] In the illustrated example, the frame body 10 is made of aluminum from the viewpoint of reducing the weight of the device 1 and from the viewpoint of ease of assembly of the frame body 10. The frame body 10 is assembled by connecting a plurality of rod-shaped aluminum members to each other with fasteners such as screws. This makes it easy to assemble the frame body 10 and also easy to disassemble the assembled frame body 10. In addition, since the aluminum frame body is lightweight, it is easy to carry. Of course, the material of the frame body 10 is not limited to aluminum, and any material can be used. In addition, any method can be used to connect the members that make up the frame body 10.

[0017] The traction device 20 traction the socket 120 in the +Z direction. In the illustrated example, the traction device 20 includes a traction rope 21 and a hoist 25. One end of the traction rope 21 is connected to the rear end 123 of the socket 120. The other end of the traction rope 21 is connected to the hoist 25, which winds up the traction rope 21. When the traction rope 21 is wound up by the hoist 25, it traction the socket 120 in the +Z direction. The traction rope 21 may be a wire rope or a chain. In the illustrated example, the hoist 25 rotates by receiving power supply and winds up the traction rope 21. The hoist 25 is fixed to the frame 10 at a position away from the socket 120 in the +Z direction. The traction rope 21 may be pulled by a power source other than the hoist 25.

[0018] When the traction device 20 pulls the socket 120 in the +Z direction, the socket 120 moves in the +Z direction relative to the wedge 110, and the wedge 110 is relatively pulled into the tip 121 of the socket 120. When the socket 120 moves a predetermined amount or more relative to the wedge 110, the rope R wound around the wedge 110 is firmly sandwiched between the wedge 110 and the socket 120. As a result, the rope R is fastened to the fastener 100.

[0019] As shown in Fig. 2, the detector 30 is supported by the frame 10. The detector 30 has a fixed portion 31 and a detection portion 35. A tip portion 111 of a wedge 110 is fixed to the fixed portion 31. More specifically, the tip portion 111 of the wedge 110 is fixed to the fixed portion 31 with the detection portion 35 facing the fastener 100. The detection portion 35 detects the movement of the socket 120 relative to the wedge 110. The position of the detection portion 35 relative to the fixed portion 31 is unchanged.

[0020] As shown in FIG. 3A, before the traction device 20 traction the socket 120, the detection unit 35 faces the socket 120. When the traction device 20 traction the socket 120 and the socket 120 moves relative to the wedge 110, the detection unit 35 also moves relative to the socket 120. As shown in FIG. 3B, when the wedge 110 moves by the above-mentioned predetermined amount or more relative to the socket 120, the detection unit 35 faces the tip 111 of the wedge 110. The detection unit 35 detects which of the socket 120 of the fastener 100 and the tip 111, 121 of the wedge 110 faces the detection unit 35. This makes it possible to determine whether the socket 120 has moved by the above-mentioned predetermined amount or more relative to the wedge 110. In other words, it is possible to determine whether the rope R has been fastened to the fastener 100 based on the detection result of the detection unit 35.

[0021] The detector 30 may be movable in the Z direction on the frame 10. This allows the detector 30 to follow the movement of the wedge 110 even if the wedge 110 moves slightly in the +Z direction when the traction device 20 traction the socket 120. The detector 30 may have an alarm function that notifies the user that the tip 111 of the wedge 110 faces the detection unit 35. For example, the detector 30 may emit a sound or turn on a lamp when the tip 111 of the wedge 110 faces the detection unit 35.

[0022] In the example shown in FIG. 3A and FIG. 3B, the distance between the detection unit 35 and the fastener 100 is different when the detection unit 35 faces the socket 120 (FIG. 3A) and when the detection unit 35 faces the wedge 110 (FIG. 3B). When the detection unit 35 faces the socket 120, the distance between the detection unit 35 and the fastener 100 is L1. On the other hand, when the detection unit 35 faces the wedge 110, the distance between the detection unit 35 and the fastener 100 is L2. The distances L1 and L2 are different from each other. Correspondingly, the detection unit 35 is a distance sensor. The detector 30 having such a detection unit 35 can detect which of the socket 120 and the tip 111, 121 of the wedge 110 faces the detection unit 35 based on the distance between the detection unit 35 and the fastener 100.

[0023] Next, the method of use and the action of the device 1 of this embodiment will be described. First, one end R0 of the rope R is inserted into the internal space A from the tip opening 122 of the socket 120. Next, one end R0 of the rope R is pulled out from the rear end opening 124 of the socket 120. Next, a part R1 in the vicinity of one end R0 of the rope R is wound around the side edges 115, 115 and the rear end 113 of the wedge 110, and then the one end R0 is inserted into the internal space A of the socket 120 and pulled out from the tip opening 122. At this time, the wedge 110 is inserted into the internal space A of the socket 120 with the tip 111 of the wedge 110 facing the tip 121 of the socket 120. Then, the tip 111 of the wedge 110 is caused to protrude from the tip opening 122 of the socket 120. Next, the holder 130 is attached to the both side portions R0, R2 of the rope R extending from the tip opening 122 of the socket 120, and the both side portions R0, R2 of the rope R are fixed to each other.

[0024] Next, as shown in FIG. 1, the holder 130 is brought into contact with the locking portion 11 of the frame body 10 of the device 1 to restrict the movement of the holder 130 in the +Z direction. Also, one end of the towing rope 21 of the towing device 20 is fixed to the rear end portion 123 of the socket 120. Next, as shown in FIG. 3A, the tip portion 111 of the wedge 110 is fixed to the fixing portion 31 of the detector 30 supported by the frame body 10. At this time, the extension amount of the tip portion 111 of the wedge 110 from the socket 120 is small, and the detection portion 35 faces the socket 120. Thereafter, the detector 30 is operated to start measuring the distance between the detection portion 35 and the fastener 100. At this time, the detection portion 35 measures the distance L1 between the socket 120 and the detection portion 35 as the distance between the fastener 100 and the detection portion 35.

[0025] Next, the hoist 25 of the traction device 20 is operated to wind up the traction rope 21. As a result, the socket 120 moves in the +Z direction, and the extension amount of the tip 111 of the wedge 110 from the socket 120 increases. When the socket 120 moves by more than the above-mentioned predetermined amount relative to the wedge 110, the detection unit 35 faces the tip 111 of the wedge 110, as shown in FIG. 3B. At this time, the detection unit 35 measures the distance L2 between the tip 111 of the wedge 110 and the detection unit 35 as the distance between the fastener 100 and the detection unit 35. In this way, when the detection unit 35 moves from a state facing the socket 120 to a state facing the wedge 110, the distance detected by the detection unit 35 changes. As a result, it is detected that the detection unit 35 faces the tip 111 of the wedge 110, and it is detected that the wedge 110 has been drawn to an appropriate position in the socket 120.

[0026] After the detection unit 35 faces the tip 111 of the wedge 110, the hoist 25 is stopped and the traction device 20 stops towing the socket 120. Thereafter, the wedge 110 is prevented from moving relative to the socket 120 by, for example, inserting a split pin into an opening (not shown) provided in the tip 111 of the wedge 110. This completes the operation of fastening the rope R to the fastener 100.

[0027] It should be noted that various modifications can be made to the embodiment described above.

[0028] For example, as in the above example, in the case where the towing device 20 receives power and tows the socket 120, the device 1 may be configured to stop the power supply to the towing device 20 when the detection unit 35 transitions from facing the socket 120 to facing the wedge 110. In this case, when the socket 120 moves relative to the wedge 110 by more than the above-mentioned predetermined amount, the towing device 20 can be automatically stopped.

[0029] The detection unit 35 may change its position when the detection unit 35 moves from a state in which it faces the socket 120 to a state in which it faces the wedge 110. In the example shown in Figs. 4A and 4B, the detector 30 includes a base 32 and a detection unit 35. The detection unit 35 includes an arm 36 having one end 36a connected to the base 32. The arm 36 is swingably connected to the base 32. The arm 36 extends in a direction from the base 32 toward the fastener 100 as a whole. A roller 37 is rotatably attached to the other end 36b of the arm 36, and the roller 37 is in contact with the fastener 100. The swing of the arm 36 is limited so that the other end 36b does not move downward beyond the one end 36a (the connection position P of the arm 36 and the base 32).

[0030] In the illustrated example, the distance between the connection position P and the fastener 100 differs between the case where the other end 36b of the arm 36 faces the socket 120 (see FIG. 4A) and the case where the other end 36b of the arm 36 faces the wedge 110 (see FIG. 4B). When the other end 36b of the arm 36 faces the socket 120, the distance between the connection position P and the fastener 100 is L3. On the other hand, when the other end 36b of the arm 36 faces the wedge 110, the distance between the connection position P and the fastener 100 is L4. The distance L4 is greater than the distance L3. Therefore, as shown in FIG. 4A, while the other end 36b of the arm 36 faces the socket 120, the arm 36 is disposed in a first position extending upward from the connection position P. 4B, when the other end 36b of the arm 36 faces the wedge 110, the other end 36b of the arm 36 lowers and the arm 36 is disposed at a second position extending generally horizontally from the connection position P. In this manner, when the detection unit 35 transitions from a state in which it faces the socket 120 to a state in which it faces the wedge 110, the detection unit 35 changes its posture.

[0031] In the example shown in FIG. 4A and FIG. 4B, the detection unit 35 further includes a switch 38 swingably connected to the base 32. The switch 38 is disposed in a virtual plane in which the arm 36 rotates. The switch 38 is movable between an energizing position (see FIG. 4A) that allows power supply to the traction device 20 and a cutoff position (see FIG. 4B) that cuts off the power supply to the traction device 20. The arm 36 also has an extension 36c that extends from the connection position P toward the switch 38. As shown in FIG. 4A, the extension 36c does not prevent the switch 38 from being disposed in the energizing position while the arm 36 is disposed in the first position. On the other hand, as shown in FIG. 4B, the extension 36c pushes the switch 38 toward the cutoff position when the arm 36 is disposed in the second position. As a result, the power supply to the traction device 20 is cut off. That is, when the socket 120 moves relative to the wedge 110 by more than the predetermined amount, the detector 35 automatically stops the traction device 20.

[0032] Furthermore, detection unit 35 may acquire an image of a portion of fastener 100 facing detection unit 35. In this case, detection unit 35 detects which of socket 120 and wedge 110 of fastener 100 faces detection unit 35 from the acquired image. Detection unit 35 may detect which of socket 120 and wedge 110 faces detection unit 35 by detecting a mark provided on socket 120 and / or wedge 110.

[0033] 5, the frame 10 may be provided with a guide member 40 that guides the movement of the socket 120 in the Z direction. In this case, the socket 120 can be prevented from being pulled in a direction other than the Z direction, and the rope R can be properly fastened to the fastener 100.

[0034] As shown in FIG. 6, the frame 10 may be provided with a tilt prevention member 45 that prevents the socket 120 from tilting. In the example shown in FIG. 6, the socket 120 has a pair of connection parts 126, 126 to which the towing rope 21 is connected at the rear end 123. Each connection part 126 extends in the +Z direction. The pair of connection parts 126, 126 face each other in the Y direction. The tilt prevention member 45 extends in the X direction between the pair of connection parts 126, 126. The tilt prevention member 45 suppresses the socket 120 from tilting in the Y direction. As a result, it is possible to suppress the socket 120 from being pulled in a state inclined in the Y direction, and the rope R can be appropriately fastened to the fastener 100. The tilt prevention member 45 may be one that prevents the socket 120 from tilting in the X direction. The tilt prevention member 45 may be one that prevents the socket 120 from tilting in any direction other than the Z direction.

[0035] 6, the tilt prevention member 45 is movable in the Z direction on the frame body 10. This allows the tilt prevention member 45 to move in the +Z direction together with the socket 120. Therefore, there is no risk that the tilt prevention member 45 will hinder the movement of the socket 120 in the Z direction.

[0036] The hoist 25 may be installed at any position on the frame 10. For example, as shown in Fig. 7, the hoist 25 may be attached to the side of the frame 10. In this case, it is preferable that a pulley 26 is provided on the frame 10 to guide the traction rope 21 connected to the socket 120 from the socket 120 in the +Z direction and to guide it to the hoist 25.

[0037] 8, a plurality of fasteners 100 may be attachable to the frame 10. This allows a single device 1 to fasten a plurality of ropes R to a plurality of fasteners 100 at the same time. In this case, it is preferable that the device 1 includes the same number of traction devices 20 and detectors 30 as the number of fasteners 100 that can be attached to the device 1. This allows the ropes R to be properly fastened to each fastener 100.

[0038] Also, the traction device 20 may be configured to pull the both side portions R0, R2 of the rope R in the -Z direction instead of the socket 120. In this case, the both side portions R0, R2 of the rope R are movable in the -Z direction relative to the frame body 10. Meanwhile, the socket 120 is engaged with the frame body 10, and its movement in the -Z direction relative to the frame body 10 is restricted. Also, in this case, the guide member 40 may be configured to guide the movement of the both side portions R0, R2 of the rope R in the Z direction. Also, in this case, the tilt prevention member 45 may be configured to prevent the both side portions R0, R2 of the rope R from tilting.

[0039] According to the above-described embodiment and modified example, the rope socketing device 1 is used to fasten the rope R to the fastener 100. The fastener 100 includes a wedge 110 and a socket 120 that receives the wedge 110 in a tip portion 121. In a state in which a portion R1 of the rope R is wound around the wedge 110 and both side portions R0 and R2 of the portion R1 of the rope R extend from an opening 122 of the tip portion 121 of the socket 120 together with the tip portion 111 of the wedge 110, the wedge 110 and the portion R1 of the rope R are pulled into the tip portion 121 of the socket 120, whereby the rope R is fastened to the fastener 100. The rope socketing device 1 includes a frame 10, a traction device 20, and a detector 30. The both side portions R0 and R2 of the rope R and one of the sockets 120 are engaged with the frame 10. The traction device 20 traction the other of the both side portions R0, R2 of the rope R and the socket 120. The detector 30 is fixed to the tip portion 111 of the wedge 110 at a position facing the fastener 100. The detector 30 has a detection unit 35 that detects the movement of the socket 120 relative to the wedge 110. The detection unit 35 faces the socket 120 before the both side portions R0, R2 of the rope R or the socket 120 are pulled by the traction device 20. The detection unit 35 faces the tip portion 111 of the wedge 110 when the both side portions R0, R2 of the rope R or the socket 120 move by a predetermined amount or more relative to the socket 120 or the both side portions R0, R2 of the rope R due to the traction by the traction device 20 of the both side portions R0, R2 of the rope R. The detection portion 35 detects whether the socket 120 or the tip portion 111 of the wedge 110 faces the detection portion 35 .

[0040] According to such a rope socketing device 1, it is possible to confirm by the detector 30 that the wedge 110 has been pulled to an appropriate position in the socket 120, and therefore to confirm that the rope R has been properly fastened to the fastener 100. This makes it easy to properly fasten even a rope R having a large diameter and a large repulsive force to the fastener 100.

[0041] Furthermore, according to the embodiment and the modified example described above, the distance between detection unit 35 and fastener 100 differs between when detection unit 35 faces socket 120 and when detection unit 35 faces wedge 110. Detection unit 35 detects the distance from fastener 100. In this case, it is easy to detect whether socket 120 or tip 111 of wedge 110 faces detection unit 35.

[0042] Furthermore, according to the above-described modified example, the distance between detection unit 35 and fastener 100 differs between when detection unit 35 faces socket 120 and when detection unit 35 faces wedge 110. Detection unit 35 changes its posture depending on the distance from fastener 100. In this case as well, it is easy to detect whether socket 120 or tip 111 of wedge 110 faces detection unit 35.

[0043] Furthermore, according to the above-described modified example, detection unit 35 acquires an image of the portion of fastener 100 that faces detection unit 35. In this case as well, it is easy to detect which of socket 120 and tip portion 111 of wedge 110 faces detection unit 35.

[0044] According to the above-mentioned modified example, the traction device 20 receives power supply and traction the both side portions R0, R2 of the rope R or the socket 120. When the detection unit 35 shifts from a state facing the socket 120 to a state facing the wedge 110, the power supply to the traction device 20 is stopped. In this case, when the wedge 110 is pulled into an appropriate position in the socket 120, the traction device 20 can be automatically stopped.

[0045] According to the above-mentioned modified example, the rope socketing device 1 further includes a guide member 40 that guides the movement of the both side portions R0, R2 or the socket 120 of the rope R in the pulling direction (Z direction) by the pulling device 20. In this case, it is possible to prevent the both side portions R0, R2 or the socket 120 of the rope R from being pulled in a direction other than the Z direction, and the rope R can be properly fastened to the fastener 100.

[0046] According to the above-mentioned modified example, the rope socketing device 1 further includes a tilt prevention member 45 that prevents the above-mentioned both side portions R0, R2 or the socket 120 of the rope R from tilting in any direction other than the pulling direction (Z direction) by the pulling device 20. In this case, it is possible to prevent the above-mentioned both side portions R0, R2 or the socket 120 of the rope R from being pulled in a tilted state in any direction other than the pulling direction (Z direction), and the rope R can be properly fastened to the fastener 100.

[0047] According to the above-described modified example, the tilt prevention member 45 is movable along the pulling direction (Z direction) on the frame body 10. In this case, there is no risk that the tilt prevention member 45 will hinder the movement of the both side portions R0, R2 of the rope R or the socket 120 in the pulling direction (Z direction).

[0048] According to the above-described embodiment and modified example, the rope socketing method is a method for fastening the rope R to the fastener 100 using the above-described rope socketing device 1. The rope socketing method includes a step of inserting the wedge 110 and the rope R into the socket 120 so that the both side portions R0, R2 of the rope R extend from the opening 122 of the tip portion 121 of the socket 120 together with the tip portion 111 of the wedge 110 in a state where the part R1 of the rope R is wound around the wedge 110. The rope socketing method also includes a step of engaging one of the both side portions R0, R2 of the rope R and the socket 120 with the frame body 10. The rope socketing method also includes a step of connecting the both side portions R0, R2 of the rope R and the other of the socket 120 to the traction device 20. The rope socketing method also includes a step of fixing the tip portion 111 of the wedge 110 to the detector 30. The rope socketing method also includes a step of pulling one of the two side portions R0, R2 of the rope R and the socket 120 with a pulling device 20, and detecting with a detector 30 which of the socket 120 and the tip 111 of the wedge 110 faces the detection unit 35.

[0049] According to this rope socketing method, it is possible to confirm by the detector 30 that the wedge 110 has been pulled into the socket 120 to an appropriate position, and therefore to confirm that the rope R has been fastened to the fastener 100. This makes it easy to properly fasten the rope R to the fastener 100 even if the rope R has a large diameter and a large repulsive force.

[0050] Although some embodiments of the present invention have been described, these embodiments are presented as examples and are not intended to limit the scope of the invention. These new embodiments can be implemented in various other forms, and various omissions, substitutions, and modifications can be made without departing from the gist of the invention. These embodiments and their modifications are included in the scope and gist of the invention, and are included in the scope of the invention and its equivalents described in the claims. In addition, it is of course possible to combine these embodiments and their modifications in part as appropriate within the gist of the present invention. [Explanation of symbols]

[0051] 1: rope socketing device, 10: frame, 11: locking part, 20: traction device, 21: traction rope, 25: hoist, 30: detector, 35: detector, 100: fastener, 110: wedge, 111: tip, 120: socket, 121: tip, 122: tip opening, R: rope

Claims

1. A rope socketing device fastens a rope to a fastener including a wedge and a socket that receives the wedge in a tip portion thereof, by drawing the wedge and the portion of the rope into the tip portion of the socket in a state in which a portion of the rope is wound around the wedge and both side portions of the portion of the rope extend from an opening in the tip portion of the socket together with the tip portion of the wedge, a frame body to which the both side portions of the rope and one of the sockets are engaged; a traction device for traction the other of the two side portions of the rope and the socket; a detector fixed to the tip portion of the wedge at a position facing the fastener, the detector having a detection portion that detects movement of the socket relative to the wedge; Equipped with The detection unit faces the socket before the both side portions of the rope or the socket are pulled by the pulling device, and faces the tip of the wedge when the both side portions of the rope or the socket move by a predetermined amount or more relative to the socket or the both side portions of the rope due to the pulling of the both side portions of the rope or the socket by the pulling device, A rope socketing device, wherein the detection unit detects whether the socket or the tip of the wedge faces the detection unit.

2. a distance between the detection portion and the fastener differs between when the detection portion faces the socket and when the detection portion faces the wedge; The rope socketing device according to claim 1 , wherein the detection unit detects a distance to the fastener.

3. a distance between the detection portion and the fastener differs between when the detector faces the socket and when the detector faces the wedge; The rope socketing device according to claim 1 , wherein the detection unit changes its posture depending on the distance from the fastener.

4. The rope socketing device according to claim 1 , wherein the detection unit acquires an image of a portion of the fastener facing the detection unit.

5. The traction device receives power supply and traction the both side portions of the rope or the socket, 2. The rope socketing device according to claim 1, wherein when the detection portion transitions from a state facing the socket to a state facing the wedge, power supply to the traction device is stopped.

6. The rope socketing device according to claim 1 , further comprising a guide member for guiding movement of said both side portions of said rope or said socket in a pulling direction by said pulling device.

7. 2. The rope socketing device of claim 1, further comprising an anti-tilt member for preventing tilting of said both side portions of said rope or said socket in any direction other than the direction of pulling by said pulling device.

8. The rope socketing device according to claim 7, wherein the anti-tilt member is movable on the frame body along the pulling direction.

9. 9. A method for fastening the rope to the fastener using a rope socketing device according to any one of claims 1 to 8, comprising the steps of: inserting the wedge and the rope into the socket such that the both side portions of the rope extend from the opening at the tip of the socket together with the tip of the wedge in a state where the portion of the rope is wound around the wedge; a step of engaging the two side portions of the rope and one of the sockets with the frame; connecting the other of the two side portions of the rope and the socket to the traction device; fixing the tip portion of the wedge relative to the detector; a step of pulling one of the two side portions of the rope and the socket with the pulling device, and detecting with the detector which of the socket and the tip of the wedge faces the detection unit; A rope socketing method comprising:

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