Rope tester supporting jig

Abstract

To provide a rope tester supporting jig capable of easily changing mutual spaces of multiple sensor heads and capable of fixing them.SOLUTION: A rope tester supporting jig supports sensor heads to detect a magnetic flux by magnetizing an inspection target rope. The rope tester supporting jig comprises a main body part to which the multiple sensor heads are fixed in order to inspect simultaneously the multiple ropes arranged in a first direction. The main body part comprises an attachment part to which the multiple sensor heads are arranged in the first direction and attached. At least one of the multiple sensor heads can be attached to the attachment part at multiple positions in the first direction.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present application relates to a rope tester support fixture. [Background technology]

[0002] Elevator ropes are inspected, for example, by a rope tester. In Patent Document 1 below, in order to efficiently inspect a plurality of aligned elevator ropes, the ropes are inspected simultaneously using a plurality of sensor heads.

[0003] In Patent Document 1, multiple sensor heads are fixed by passing through an axis member extending in the direction in which the ropes are arranged. The multiple sensor heads are then positioned by inserting a spacer member into the gaps formed between adjacent sensor heads. However, the structure of Patent Document 1 makes it difficult to change the spacing between the multiple sensor heads and fix them. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2012-56717 A Summary of the Invention [Problem to be solved by the invention]

[0005] Therefore, an object of the present invention is to provide a rope tester support jig that allows multiple sensor heads to be fixed while easily changing the spacing between them. [Means for solving the problem]

[0006] The rope tester support jig is a rope tester support jig that supports a sensor head that magnetizes a rope to be tested and detects magnetic flux, A main body to which a plurality of the sensor heads are fixed in order to simultaneously inspect a plurality of the ropes arranged in a first direction, the main body includes a mounting portion to which the plurality of sensor heads are attached and arranged in a first direction; The mounting portion is capable of mounting at least one of the plurality of sensor heads at a plurality of positions in a first direction. [Brief description of the drawings]

[0007] [Figure 1] FIG. 1 is a perspective view of a rope tester support jig and a sensor head according to an embodiment; [Diagram 2] FIG. 1 is a perspective view of a sensor head according to the embodiment; [Diagram 3] FIG. 1 is a perspective view of a rope tester support jig according to the embodiment; [Figure 4] FIG. 13 is a rear view of the main body according to the embodiment; [Diagram 5] FIG. 13 is an exploded perspective view of a main body according to the embodiment; [Figure 6] FIG. 13 is a rear view of the base unit according to the embodiment; [Figure 7] A side view showing a main part of a rope tester support jig according to another embodiment. [Figure 8] FIG. 13 is a rear view of the main body according to another embodiment. [Figure 9] FIG. 13 is a rear view of the main body according to another embodiment. [Figure 10] FIG. 13 is a rear view of the main body according to another embodiment. [Figure 11] FIG. 13 is a perspective view of a main body according to another embodiment; DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0008] Hereinafter, one embodiment of a rope tester support jig will be described with reference to Figures 1 to 6. Note that in each figure (as well as Figures 7 to 11), the dimensional ratios in the drawings do not necessarily match the actual dimensional ratios, and the dimensional ratios between the drawings do not necessarily match either.

[0009] As shown in Fig. 1, the rope tester support jig 1 supports a plurality of sensor heads 9A, 9B and is used to inspect elevator ropes (hereinafter also simply referred to as "ropes") X1 to X6 using the supported sensor heads 9A, 9B. Note that the ropes X1 to X6 are arranged in a plurality (the number is not particularly limited) in a first direction D1. Although not particularly limited, in this embodiment, two adjacent ropes X1, X2 of the six ropes X1 to X6 are inspected simultaneously using the two sensor heads 9A, 9B.

[0010] In each drawing, the first direction D1 is referred to as the arrangement direction D1 in which the ropes X1 to X6 are arranged, the second direction D2 is referred to as the extension direction D2 in which the ropes X1 to X6 extend, and the third direction D3 is referred to as the orthogonal direction D3 that is orthogonal to the arrangement direction D1 and the extension direction D2. Furthermore, when the rope tester support jig 1 and the sensor heads 9A and 9B are described using the directions D1 to D3, unless otherwise specified, the directions D1 to D3 are the directions D1 to D3 when the sensor heads 9A and 9B are inspecting the ropes X1 to X6.

[0011] 2, the sensor head 9A includes a base portion 91 and an inspection portion 92 that is connected to the base portion 91 and inspects the ropes X1 and X2. The sensor head 9B has the same shape as the sensor head 9A.

[0012] The base portion 91 is preferably made of a non-magnetic material. By making the base portion 91 of a non-magnetic material, a certain distance can be ensured between the inspection portion 92 and the rope tester support jig 1 when the sensor head 9A is fixed to the rope tester support jig 1 via the base portion 91, so that the effect of the metal material of the rope tester support jig 1 on the detection ability of the sensor head 9A can be reduced.

[0013] The base portion 91 may include a grip portion 91a that is gripped by an inspector. The grip portion 91a is formed with a through hole 91b that penetrates in the perpendicular direction D3. For example, two through holes 91b are formed in the extension direction D2.

[0014] The inspection unit 92 includes a case portion 92a and a rope guide portion 92b that guides the ropes X1 and X2. The inspection unit 92 also includes a magnetization portion (not shown) that magnetizes the ropes X1 and X2, and a magnetic flux detection portion (not shown) that detects the magnetic flux caused by the ropes X1 and X2.

[0015] One side of the case part 92a in the orthogonal direction D3 is connected to the base part 91, and the other side of the case part 92a in the orthogonal direction D3 is connected to the rope guide part 92b. The case part 92a accommodates the magnetization part and the magnetic flux detection part therein.

[0016] Although not particularly limited, in this embodiment, the rope guide portion 92b extends continuously along the extension direction D2. Note that the rope guide portion 92b may be configured, for example, such that a plurality of rope guide portions 92b are arranged in the extension direction D2, that is, such that the rope guide portions 92b extend discontinuously along the extension direction D2.

[0017] The rope guide portion 92b is formed in a partially open concave surface as shown in Fig. 2. Specifically, both sides of the rope guide portion 92b in the arrangement direction D1 are closed, one side of the rope guide portion 92b in the orthogonal direction D3 is closed, and the other side of the rope guide portion 92b in the orthogonal direction D3 is open.

[0018] The rope tester support jig 1 may include a main body 2 to which a plurality of sensor heads 9A, 9B are fixed, an arm 3 that supports the main body 2, and a base 4 that supports the arm 3.

[0019] 4, the main body 2 includes a mounting portion 2a to which the sensor heads 9A, 9B are attached and arranged in an arrangement direction D1. The main body 2 is formed of, for example, a metal material.

[0020] The main body 2 may include a plate-shaped portion 20. The plate-shaped portion 20 may have a horizontal H-shape. By forming the plate-shaped portion 20 in an H-shape, when attaching the sensor heads 9A and 9B to the plate-shaped portion 20, the gripping portion 91a of the sensor heads 9A and 9B, the plate-shaped portion 20, and the female screw material 95 (described later) can be easily held in the same hand, and the attachment work using the male screw material 94 (described later) can be stably performed. In addition, when gripping the gripping portion 91a, it is natural to hold the gripping portion 91a from the side. However, if the plate-shaped portion 20 is rectangular, it becomes difficult to grip the gripping portion 91a when attaching the sensor heads 9A and 9B to the center of the plate-shaped portion 20.

[0021] The sensor heads 9A and 9B are fixed side by side in the arrangement direction D1 to one surface (also called the front surface) of the plate-shaped portion 20 in the orthogonal direction D3. A bracket 21 to which the arm 3 is connected is provided on the other surface (also called the rear surface) of the plate-shaped portion 20 in the orthogonal direction D3. The bracket 21 is disposed approximately in the center of the plate-shaped portion 20 in the arrangement direction D1 and the extension direction D2.

[0022] The plate-like portion 20 has an elongated hole 22 formed along the arrangement direction D1. The elongated holes 22 may be formed, for example, in a pair with a gap therebetween in the extension direction D2.

[0023] The sensor heads 9A and 9B are attached to the long holes 22 by a mounting fixture 93. As shown in FIG. 5, the mounting fixture 93 is composed of a male screw material 94 and a female screw material 95. Although not limited to this, the male screw material 94 is, for example, a knurled screw or a butterfly bolt. With this configuration, no tools are required to attach the sensor heads 9A and 9B, and workability at the site can be improved. Although not limited to this, the female screw material 95 is a nut plate on which a female screw portion 95a is formed. A plurality of female screw portions 95a may be formed on one female screw material 95. In this embodiment, two female screw portions 95a are formed at positions facing the two through holes 91b of the sensor heads 9A and 9B.

[0024] After the male screw 94 is inserted through the elongated hole 22 of the main body 2 and the through-hole 91b of the sensor heads 9A and 9B, the male screw 94 is screwed into the female screw portion 95a of the female screw 95, whereby the sensor heads 9A and 9B are attached to the elongated hole 22. That is, the elongated hole 22 constitutes the mounting portion 2a. It can also be said that the mounting portion 2a is provided with the elongated hole 22. Although not particularly limited, the mounting portion 2a is constituted by one continuous elongated hole 22. Since the mounting portion 2a is constituted by the elongated hole 22, the sensor heads 9A and 9B can be attached to any position in the arrangement direction D1. Furthermore, when the male screw 94 is loosened to move the sensor heads 9A and 9B along the elongated hole 22 in the arrangement direction D1, the plate-shaped portion 20 is H-shaped, so that the sensor heads 9A and 9B can be moved by holding the grip portion 91a except when the sensor heads 9A and 9B are completely in the center of the plate-shaped portion 20.

[0025] 3, the arm 3 may include a long, plate-like arm body 30 and joints 31, 32 fixed to both ends of the arm body 30. Although not particularly limited, the arm body 30 may be adjustable in length. Furthermore, a plurality of arm bodies 30 may be provided in the arrangement direction D1.

[0026] The joint 31 is rotatably connected to the bracket 21 of the main body 2 by using a connecting pin 31a. The joint 32 is rotatably connected to a bracket 41 of the base 4, which will be described later, by using a connecting pin 32a.

[0027] 3, the base unit 4 includes a base plate 40, a bracket 41 fixed to one surface of the base plate 40, and a magnet 42 fixed to the other surface of the base plate 40. When inspecting the ropes X1 and X2, the base unit 4 is fixed to, for example, a machine stand by the magnet 42.

[0028] The base unit 4 may also include an arm fixing part 43 fixed to one surface of the base plate 40. The arm fixing part 43 includes a guide rail 44 and an arm fixing device 45 that fixes and releases the arm 3 to the guide rail 44. The guide rail 44 includes an arc-shaped guide hole 44a centered on the connecting pin 32a.

[0029] 6, the arm fixing device 45 includes a connecting member 45a connected to the arm body 30, and a ring-shaped member 45b and a cam lever 45c provided on the connecting member 45a. The connecting member 45a is, for example, a cylindrical pin member, and is inserted through the guide hole 44a and the arm body 30. A nut 45d is screwed onto the tip side of the connecting member 45a so that the connecting member 45a does not come off the arm body 30.

[0030] The ring-shaped member 45b is inserted into the base end side of the connecting member 45a so as to be movable in the longitudinal direction of the connecting member 45a. One end face of the ring-shaped member 45b faces the guide rail 44, and the other end face of the ring-shaped member 45b faces the cam surface of the cam lever 45c.

[0031] The cam lever 45c is rotatable between, for example, an upright position (indicated by a two-dot chain line in FIG. 6) in which the cam lever 45c is disposed substantially linearly with the connecting member 45a, and a laid-down position in which the cam lever 45c is disposed substantially perpendicular to the connecting member 45a. The cam surface of the cam lever 45c is formed so that the guide rail 44 moves away from the arm body 30 when the cam lever 45c is in the upright position. The cam surface of the cam lever 45c is formed so that the ring-shaped member 45b is pressed against the guide rail 44 and the guide rail 44 is pressed against the arm body 30 by rotating the cam lever 45c from the upright position to the laid-down position. This allows the arm 3 to be fixed to and released from the guide rail 44 by rotating the cam lever 45c from the upright position to the laid-down position.

[0032] [1] From the above, it is preferable that the rope tester support jig 1 is a rope tester support jig 1 that supports sensor heads 9A, 9B that magnetize the ropes X1, X2 to be tested and detect magnetic flux, and has a main body portion 2 to which the multiple sensor heads 9A, 9B are fixed in order to simultaneously test the multiple ropes X1, X2 arranged in a first direction (in this embodiment, the arrangement direction) D1, the main body portion 2 has a mounting portion 2a to which the multiple sensor heads 9A, 9B are attached in an arrangement in the first direction D1, and the mounting portion 2a is capable of mounting at least one of the multiple sensor heads 9A, 9B (in this embodiment, both sensor heads 9A, 9B) at multiple positions in the first direction D1.

[0033] According to such a configuration, at least one of the multiple sensor heads 9A, 9B can be attached to the mounting portion 2a at multiple positions in the first direction D1, so that the multiple sensor heads 9A, 9B can be easily fixed with their mutual spacing changed in accordance with the spacing between the ropes X1, X2.

[0034] [2] In addition, in the rope tester support jig 1 described above in [1], it is preferable that the main body portion 2 includes a plate-shaped portion 20, and the sensor heads 9A, 9B are fixed to the front surface of the plate-shaped portion 20.

[0035] According to such a configuration, the plurality of sensor heads 9A, 9B can be fixed separately to the main body 2, so that the plurality of sensor heads 9A, 9B can be fixed while easily changing the mutual intervals.

[0036] [3] In the rope tester support jig 1 described above in [2], it is preferable that the mounting portion 2a has an elongated hole 22 formed in the plate-shaped portion 20 along the first direction D1.

[0037] According to this configuration, since the mounting portion 2a is formed of the elongated hole 22, the sensor heads 9A and 9B can be mounted at any position in the arrangement direction D1.

[0038] [4] In addition, in the rope tester support jig 1 of [2] or [3] above, it is preferable that the rope tester support jig 1 is provided with an attachment device 93 that is operated from the rear side of the plate-shaped portion 20, and the sensor heads 9A, 9B are attached to the attachment portion 2a by the attachment device 93.

[0039] According to such a configuration, the sensor heads 9A, 9B can be attached to the attachment portion 2a from the rear surface side of the plate-like portion 20, so that the plurality of sensor heads 9A, 9B can be fixed while easily changing the mutual spacing.

[0040] [5] In addition, in the rope tester support jig 1 of any one of [1] to [4] above, the sensor heads 9A, 9B are preferably configured to include an inspection portion 92 that contacts and inspects the ropes X1, X2, and a gripping portion 91a that is connected to the inspection portion 92 so as to face the ropes X1, X2 across the inspection portion 92, and an end face of the gripping portion 91a opposite the inspection portion 92 is fixed to the main body portion 2.

[0041] According to this configuration, the gripping portions 91a of the sensor heads 9A, 9B can be fixed to the main body 2, so that the plurality of sensor heads 9A, 9B can be fixed at easily changed intervals. Also, for example, depending on the installation locations of the ropes X1 to X6, it may not be possible to inspect the ropes X1 to X6 with the sensor heads 9A, 9B attached to the rope tester support jig 1. In this case, an inspector can inspect the ropes X1 to X6 by grasping the gripping portions 91a of the sensor heads 9A, 9B.

[0042] The rope tester support jig 1 is not limited to the configuration of the embodiment described above, and is not limited to the above-mentioned functions and effects. Of course, the rope tester support jig 1 can be modified in various ways without departing from the gist of the present invention. For example, it is of course possible to arbitrarily select one or more of the configurations, methods, etc. of the various modified examples described below and adopt them in the configurations, methods, etc. of the embodiment described above.

[0043] (A) In the rope tester support jig 1 according to the above embodiment, the main body 2 includes a plate-shaped portion 20, and the sensor heads 9A and 9B are fixed to the front surface of the plate-shaped portion 20. However, the rope tester support jig 1 is not limited to such a configuration. For example, as shown in FIG. 7, the main body 2 may include a rod-shaped portion 23 extending in the arrangement direction D1, and the sensor heads 9A and 9B may be fixed to the front surface of the rod-shaped portion 23. The pair of rod-shaped portions 23 are connected by a connecting portion not shown. The rod-shaped portion 23 is configured to pass through a support member 91c provided on the gripping portion 91a of the sensor heads 9A and 9B and guide the sensor heads 9A and 9B in the arrangement direction D1. A screw hole is formed in the support member 91c, penetrating in the orthogonal direction D3, and a butterfly bolt 96 is screwed into the screw hole. By tightening the wing bolt 96, the support member 91c can be fixed at any position on the rod-shaped portion .

[0044] In the rope tester support jig 1 according to the above embodiment, the plate-shaped portion 20 has a horizontal H-shape, but is not limited to this configuration. For example, the plate-shaped portion 20 may have a rectangular plate shape.

[0045] (B) In the rope tester support jig 1 according to the above embodiment, the mounting portion 2a is configured to include an elongated hole 22 formed in the plate-shaped portion 20 along the first direction D1. However, the rope tester support jig 1 is not limited to such a configuration. For example, as shown in FIG. 8, the mounting portion 2a may be configured to include a round hole 24 and an elongated hole 22 formed in the plate-shaped portion 20 along the first direction D1. In this case, for example, the sensor head 9A is attached to the round hole 24, and the sensor head 9B is attached to the elongated hole 22. The mounting portion 2a can attach the sensor head 9B at a plurality of positions along the elongated hole 22.

[0046] 9, the mounting portion 2a may be configured to have a plurality of elongated holes 22 formed along the first direction D1 in the plate-shaped portion 20. The mounting portion 2a can mount the sensor heads 9A and 9B at a plurality of positions along the elongated holes 22.

[0047] 10, the mounting portion 2a may be configured to have a plurality of round holes 24 aligned along the arrangement direction D1 in the plate-shaped portion 20. By selecting the round holes 24 for mounting the sensor heads 9A, 9B from among the plurality of round holes 24, the mounting positions of the sensor heads 9A, 9B in the arrangement direction D1 can be changed.

[0048] (C) As shown in FIG. 11, the long hole 22 may have one end in the arrangement direction D1 open. Although not particularly limited, in the example shown in FIG. 11, one end of the upper long hole 22 in the arrangement direction D1 is open. When the sensor heads 9A and 9B are heavy and difficult to attach from the rear side of the plate-shaped portion 20, the female screw material 95 and the sensor heads 9A and 9B can be temporarily fixed with one male screw material 94 first, and attached to the plate-shaped portion 20 from the open end of the upper long hole 22, and finally the male screw material 94 can be inserted into the lower long hole 22 and screwed into the female screw material 95. The open end of the long hole 22 may be closed with a stopper 25. The stopper 25 is fixed to the rear surface of the plate-shaped portion 20 with a fixing screw 26, and can open or close the long hole 22. It is to be noted that not only the upper long hole 22 but also the lower long hole 22 may have one end in the arrangement direction D1 open.

[0049] (D) The rope tester support jig 1 according to the above embodiment is configured to include a mounting fixture 93 that is operated from the rear side of the plate-shaped portion 20, and the sensor heads 9A and 9B are attached to the mounting portion 2a by the mounting fixture 93. However, the rope tester support jig 1 is not limited to such a configuration. For example, the sensor heads 9A and 9B may be attached to the mounting portion 2a by a mounting fixture that is operated from the gripping portion 91a side.

[0050] (E) In the rope tester support jig 1 according to the above embodiment, two sensor heads 9A, 9B are fixed to the main body 2, but three or more sensor heads may be fixed to the main body 2. In other words, the number and spacing of the sensor heads may be adjusted as appropriate depending on the elevator specifications and on-site conditions. [Explanation of symbols]

[0051] 1...rope tester support jig, 2...main body, 2a...mounting portion, 3...arm, 4...base portion, 9A...sensor head, 9B...sensor head, 20...plate-shaped portion, 21...bracket, 22...long hole, 23...rod-shaped portion, 24...round hole, 25...stopper, 26...fixing screw, 30...arm body, 31...joint, 31a...connecting pin, 32...joint, 32a...connecting pin, 40...base plate, 41...bracket, 42...magnet, 43...arm fixing portion, 44...guide Drail, 44a...guide hole, 45...arm fixing device, 45a...connecting member, 45b...ring-shaped member, 45c...cam lever, 45d...nut, 91...base portion, 91a...gripping portion, 91b...through hole, 91c...supporting member, 92...inspection portion, 92a...case portion, 92b...rope guide portion, 93...mounting device, 94...male thread material, 95...female thread material, 95a...female thread portion, 96...wing bolt, D1...arrangement direction, D2...extension direction, D3...orthogonal direction, X1 to X6...rope

Claims

1. A rope tester support jig for supporting a sensor head that magnetizes a rope to be tested and detects magnetic flux, a main body to which a plurality of the sensor heads are fixed in order to simultaneously inspect a plurality of the ropes arranged in a first direction; the main body includes an attachment portion to which the plurality of sensor heads are attached and arranged in a first direction; The mounting portion is capable of mounting at least one of the multiple sensor heads at multiple positions in a first direction.

2. The main body portion includes a plate-shaped portion, The rope tester support jig according to claim 1 , wherein the sensor head is fixed to a front surface of the plate-shaped portion.

3. The rope tester support jig according to claim 2 , wherein the mounting portion has a long hole formed in the plate-shaped portion along a first direction.

4. A mounting tool is provided which is operated from the rear side of the plate-shaped portion, The rope tester support jig according to claim 2 , wherein the sensor head is attached to the mounting portion by the mounting fixture.

5. The sensor head includes an inspection unit that contacts the rope to inspect the rope, and a gripping unit that is connected to the inspection unit so as to face the rope across the inspection unit, The rope tester support jig according to any one of claims 1 to 4, wherein an end surface of the gripping portion opposite the inspection portion is fixed to the main body portion.

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