JP2006193257A - Elevator rope holding device, and installing method thereof - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an elevator rope holding device allowing a rope holding support beam to be easily and efficiently transported, stored or carried into a hoistway by shrinking the support beam to a compact mode, of which length is shrunken, when transporting and storing the rope holding support beam or carrying it into the hoistway, and to provide an installing method thereof. <P>SOLUTION: The support beam 30 stretched between guide rails 14 inside the hoistway and provided with a holding mechanism 50 for holding a main rope 4 of the elevator is horizontally suspended on the way of the pair of guide rails through a suspending member 31. The support beam 30 is structured of a main body beam 62 having a length shorter than the interval width of the pair of guide rails and an auxiliary beam 63 removably fitted to both ends of the main body beam to stop swing of the main body beam in the back and forth direction and in the right and left direction by engaging with the guide rails through a swing stopper mechanism 40. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a rope gripping apparatus used for gripping and fixing a main rope in a hoistway of the elevator when installing or replacing the main rope of the elevator, and an installation method of the gripping apparatus.

  FIG. 15 shows a state at the time of exchanging the main rope of the elevator. Reference numeral 1 denotes a hoistway provided in the building, and a machine room 2 is provided at the upper end of the hoistway 1. A hoisting machine 3 is installed in 2.

  A plurality of main ropes 4 are wound in parallel on the sheave 3a of the hoisting machine 3, these main ropes 4 are pulled down into the hoistway 1, and a car 5 is placed at one end and a counter is placed at the other end. Weights 6 are respectively attached, and the car 5 is driven by the hoisting machine 3 in a state in which the car 5 and the counterweight 6 are substantially balanced in weight, and the car 5 is moved up and down in the hoistway 1. Reference numeral 7 denotes a deflecting wheel for deflecting the main rope 4 from the hoisting machine 3.

  When exchanging the main rope 4, the car 5 is raised to the upper part in the hoistway 1, the car 5 is supported by the chain block 10, and the counterweight 6 is installed via the beam member 12 installed in the pit 11. And support. In addition, a rope gripping device 13 is provided in the hoistway 1 at a position substantially the same level as the elevated car 5, and the rope gripping device 13 grips and fixes the middle of the main rope 4.

  Then, the main rope 4 is cut at a portion immediately above the gripping device 13, the upper side is removed, and the lower side is removed from the gripping device 13 and removed. Next, the new main rope 4a is passed through the hoisting machine 3 and the deflecting wheel 7, and the middle thereof is gripped by the gripping device 13. In this state, one end of the main rope 4a is connected to the car 5, and the other The end on the end side is connected to the counterweight 6, and finally the main rope 4 a is removed from the gripping device 13.

  The structure of the conventional rope gripping device 13 is shown in FIGS. 16 (A) and 16 (B), 14 is a guide rail for counterweight, and a bracket 15 is attached to each of these guide rails 14 via a fastener 16. The support beam 17 is mounted horizontally between the brackets 15 via bolts 18.

  The gripping device 13 includes a gripping mechanism for gripping the main ropes 4, 4 a, and the gripping mechanism is fixed to the front surface of the support beam 17 by a fastener 19, and the rope fixing plate 20 is connected to the fastener. 19, a plain washer 21, a spring washer 22, and a rope clip 24 fixed via a nut 23, and the old main rope 4 and the new main rope 4 a are sandwiched between the rope fixing plate 20 and the rope clip 24. The main ropes 4, 4a are firmly held and fixed by tightening the nut 23.

  17 to 21 show another conventional rope gripping device 13. The gripping device 13 includes a support beam 30, and the support beam 30 is horizontally suspended between a pair of guide rails 14 arranged in parallel using a pair of chain blocks 31 as suspension members. That is, the sling wire 34 is hung on the eye plate 33 provided on the back surface of the joint portion of the guide rail 14, and the chain block 31 is hung on the sling wire 34. Then, the shackle 31a of the chain block 31 is hooked on a hanging metal fitting 36 attached to the support beam 30, and thereby the support beam 30 is suspended horizontally between the guide rails 14.

  On both ends of the support beam 30, an anti-sway mechanism 40 that prevents the support beam 30 from swinging back and forth and from side to side is provided. The steadying mechanism 40 includes a steadying plate 43, and the steadying plate 43 is fixed to the back surface of the guide rail 14 via a clip / bolt member 44. A slit 45 is formed in the steady plate 43, and the end of the support beam 30 is inserted into the slit 45, thereby suppressing the back-and-forth movement of the support beam 30.

  A long hole 46 which is long in the left-right direction is formed at both ends of the support beam 30, and a bolt / nut member 47 is inserted into the long hole 46, and a presser plate 48 having an L-shaped cross section with respect to the bolt / nut member 47. Is installed. Then, the bolt / nut member 47 is slid along the elongated hole 46, the presser plate 48 is applied to the side surface of the steady plate 43, and the presser plate 48 is fixed by tightening the bolt / nut member 47 in this state. The horizontal deflection of the support beam 30 is suppressed via the presser plate 48.

  A plurality of gripping mechanisms 50 for gripping the main rope are provided in front of the intermediate portion of the support beam 30. As shown in FIGS. 20 and 21, each gripping mechanism 50 includes a pair of first and second gripping plates 51 and 52, and the first gripping plate 51 is in front of the support beam 30 via a bolt 54. The second holding plate 52 is attached to the first holding plate 51 via bolts 55 and 56 so as to face the first holding plate 51.

  V-shaped grooves 51a and 52a are formed on the inner surfaces of the grip plates 51 and 52, respectively. The main ropes 4 and 4a are passed between the gripping plates 51 and 52 so as to engage with the concave grooves 51a and 52a. In this state, the bolts 55 and 56 are tightened to fix the main ropes between the gripping plates 51 and 52. The main ropes 4, 4 a are fixed to the support beam 30 by the pressure bonding of 4, 4 a.

  The bolt 55 is screwed with a nut 57 for preventing the bolt 55 from falling off the grip plate 52, and a shaft 59 extending forward is integrally formed at the tip of the bolt 56. A shaft 59 passes through the support beam 30 and extends to the opposite side of the gripping plate 52, and a double nut 60 is attached to the end of the shaft 59, thereby connecting the second gripping plate 52 to the first gripping plate 51. Even when the bolts 55, 56 are detached from the first gripping plate 51, the double nut 60 of the shaft 59 is hooked on the support beam 30 and is prevented from falling off.

  Thus, the conventional rope gripping device has a structure in which the integral support beams 17 and 30 are spanned between the pair of guide rails 14 arranged in parallel. For this reason, the support beams 17 and 30 are connected to the pair of guide rails 14. The length must be longer than the interval width.

  By the way, with the recent increase in capacity of elevators, the shape of the counterweight is also increased, and it is necessary to increase the interval between the guide rails. For this reason, the lengths of the support beams 17 and 30 of the rope gripping device spanned between the guide rails tend to become longer and longer.

  Further, as the elevator height increases, the number of main ropes used for each elevator increases, and the number of rope gripping mechanisms provided on the support beams 17 and 30 of the rope gripping device increases accordingly. 17, 30 tend to be larger.

  However, when the support beam of the rope gripping device is long and large as described above, there is a problem that the work efficiency of transportation and storage or loading into the hoistway is troublesome and the work efficiency is lowered.

  The present invention has been made paying attention to such points. The purpose of the present invention is to transport and store the support beam, or to carry the support beam into a small-sized, short-sized device when carrying it into the hoistway. It is an object of the present invention to provide an elevator rope gripping device and a method of installing the gripping device that can be reduced and transported and stored or carried into a hoistway easily and efficiently.

  According to the first aspect of the present invention, there is provided a rope gripping device for gripping and fixing a main rope in a hoistway of the elevator when the main rope of the elevator is installed or replaced, between a pair of guide rails for an elevator counterweight or a car A support beam spanned between the pair of guide rails, suspended horizontally through a suspension member in the middle of the pair of guide rails, and having a gripping mechanism for gripping the main rope, A main body beam having a length shorter than the interval width of the guide rail, and detachably attached to both ends of the main body beam, and engaged with the guide rail via a steady-rest mechanism to front and rear of the main body beam It is characterized by being composed of auxiliary beams that stop the lateral movement.

  According to a second aspect of the present invention, there is provided a rope gripping device for gripping and fixing a main rope in a hoistway of the elevator when the main rope of the elevator is installed or replaced, between a pair of guide rails for an elevator counterweight or a car A support beam spanned between the pair of guide rails, suspended horizontally through a suspension member in the middle of the pair of guide rails, and having a gripping mechanism for gripping the main rope, A main beam having a length shorter than the interval between the guide rails, and attached to both ends of the main beam so as to be extendable and engaged with the guide rail via a steady-state mechanism under the extended state. Thus, the main beam is constituted by an auxiliary beam that stops the swinging motion of the front, rear, left and right of the main beam.

  According to a third aspect of the present invention, the auxiliary beam has an engaging portion that engages with the guide rail in accordance with the extension operation and functions as a steadying mechanism that stops the swinging motion of the main body beam from front to back and from side to side. It is characterized by.

  According to a fourth aspect of the present invention, there is provided a rope gripping device for gripping and fixing a main rope in a hoistway of the elevator when the main rope of the elevator is installed or replaced, between a pair of guide rails for an elevator counterweight or a car A support beam spanned between the pair of guide rails, suspended horizontally through a suspension member in the middle of the pair of guide rails, and having a gripping mechanism for gripping the main rope, A main body beam having a length shorter than the interval width of the guide rail, and a unfolded state in which the main body beam is rotatably attached to both ends of the main body beam and extends horizontally toward the end side of the main body beam by the rotation. It can be converted into a folded state that fits within the section of the length of the main body beam, and is engaged with the guide rail via a steady-state mechanism under the expanded state. Ri is characterized in that it is constituted by an auxiliary beam to stop longitudinal and lateral deflection movements of the body beams.

  The invention according to claim 5 is characterized in that the main body beam is provided with a flat support member that enables the main body beam to be placed on a horizontal floor surface in an upright state. .

  According to a sixth aspect of the present invention, the steadying mechanism with which the auxiliary beam engages has a steadying plate attached to a guide rail, and the steadying plate and the main body beam can be connected by a line member. It is characterized by having.

  The invention according to claim 7 is a method of installing a rope gripping device for gripping and fixing the main rope within the elevator hoistway during installation or replacement of the main rope of the elevator, the rope gripping device comprising: A support beam spanned between a pair of guide rails for a counterweight or a car, and this support beam has a gripping mechanism for gripping the main rope, and is larger than the interval width of the pair of guide rails. A main beam having a short length, and an auxiliary beam that is detachably attached to both ends of the main beam, the main beam is suspended horizontally via a suspension member in the middle of the pair of guide rails, The auxiliary beams are attached to both ends of the main beam, and the auxiliary beams are engaged with the guide rail via a steady-state mechanism. It is characterized in that to achieve the right and left of the steady rest.

  The invention of claim 8 is a method of installing a rope gripping device for gripping and fixing a main rope in a hoistway of the elevator when installing or replacing the main rope of the elevator, the rope gripping device comprising: A support beam spanned between a pair of guide rails for a counterweight or a car, and this support beam has a gripping mechanism for gripping the main rope, and is larger than the interval width of the pair of guide rails. It is composed of a main beam having a short length and auxiliary beams provided at both ends of the main beam so as to be extendable and contracted, and the main beam is horizontally suspended through a suspension member in the middle of the pair of guide rails. The auxiliary beams are extended from both ends of the main body beam, and these auxiliary beams are engaged with the guide rail via a steady-rest mechanism. It is characterized in that to achieve a steady rest.

  The invention of claim 9 is a method of installing a rope gripping device for gripping and fixing the main rope in the elevator hoistway when installing or replacing the main rope of the elevator, the rope gripping device comprising: A support beam spanned between a pair of guide rails for a counterweight or a car, and this support beam has a gripping mechanism for gripping the main rope, and is larger than the interval width of the pair of guide rails. It is composed of a main beam having a short length and auxiliary beams provided to be foldable at both ends of the main beam, and the main beam is suspended horizontally via a suspension member in the middle of the pair of guide rails. The auxiliary beam is expanded from a folded state to a protruding state protruding to the side of the main body beam, and these auxiliary beams are engaged with the guide rail via a steady-state mechanism. So, it is characterized in that to achieve longitudinal and lateral of the steady rest of the body beams in this engagement.

  According to the present invention, when the support beam is transported and stored, or carried into the hoistway, the support beam is reduced to a small form with a short length, and the transport beam is stored or carried into the hoistway. Work can be done easily and efficiently.

  Embodiments of the present invention will be described below with reference to FIGS. In addition, the same code | symbol is attached | subjected to the part corresponding to the conventional structure, and the overlapping description is abbreviate | omitted.

  1 and 2 show a first embodiment. A support beam 30 in this embodiment is detachably attached to a main body beam 62 and both ends of the main body beam 62 via a plurality of bolts 64. It is comprised with the auxiliary beam 63 which makes the formed strip shape. A suspension bracket 36 is attached to the main body beam 62, and a plurality of gripping mechanisms 50 for gripping the main ropes 4 and 4a are provided on the front surface thereof.

  The main body beam 62 has a lateral length smaller than the distance between the pair of guide rails 14, and auxiliary beams 63 are detachably attached to both ends of the main body beam 62 via a plurality of bolts 64. . The support beam 30 is suspended between the guide rails 14 via the chain block 31 and supported horizontally.

  The auxiliary beam 63 extends horizontally from both ends of the main body beam 62 and protrudes to the outside of the guide rail 14, and a steadying mechanism 40 is provided between the auxiliary beam 63 and each guide rail 14. . That is, as shown in FIG. 2, a steady rest plate 43 similar to the conventional one is fastened and fixed to the back surface of the guide rail 14 via the clip / bolt member 44. Then, the auxiliary beam 63 is inserted into the slit 45 of the steady plate 43, thereby suppressing the deflection of the support beam 30 in the front-rear direction.

  The auxiliary beam 63 is formed with a long hole 46 extending in the longitudinal direction, and a bolt / nut member 47 is inserted into the long hole 46, and a presser plate having an L-shaped cross section with respect to the bolt / nut member 47. 48 is attached. Then, the bolt / nut member 47 is slid along the elongated hole 46, the presser plate 48 is applied to the side surface of the steady plate 43, and the presser plate 48 is fixed by tightening the bolt / nut member 47 in this state. The lateral deflection of the support beam 30 is suppressed via the presser plate 48.

  When installing such a rope gripping device on the guide rail 14, first, the support beam 30 is carried into the hoistway in a state where the support beam 30 is disassembled into the main body beam 62 and the auxiliary beam 63. Then, the auxiliary beam 63 is attached to both ends of the main body beam 62 via bolts 64, and the support beam 30 is assembled. A bolt / nut member 47 and a presser plate 48 are mounted in advance in the long hole 46 of each auxiliary beam 63.

  Further, the chain block 31 is hung at a predetermined position of each guide rail 14 in the hoistway, and the steady plate 43 is fastened and fixed to each predetermined position of each guide rail 14 via a clip / bolt member 44.

  Next, the shackle 31a of each chain block 31 is connected to the hanging bracket 36 of the assembled support beam 30, and the support beam 30 is lifted to a predetermined position by operating these chain blocks 31.

  At this time, the auxiliary beam 63 protruding to the side of the support beam 30 is engaged with the anti-swing mechanism 40. That is, the auxiliary beam 63 is inserted into the slit 45 of the swing plate 43, and the press plate 48 is slid along the long hole 46 and pressed against the side surface of the steady plate 43. In this state, the bolt / nut member 47 is inserted. And the presser plate 48 is fastened and fixed to the auxiliary beam 63.

  Thereby, the swinging motion of the support beam 30 in the front-rear and left-right directions is suppressed, and the support beam 30 is positioned at a predetermined position. Under this state, the main ropes 4, 4 a are gripped by the gripping mechanisms 50 provided in front of the main body beam 62 and fixed to the support beam 30.

  As described above, the rope gripping device of the present embodiment can disassemble the support beam 30 into the main body beam 62 and the auxiliary beam 63. For this reason, the gripping device is reduced in size by the disassembly and the bulk is increased. It can be made small, and thereby it can be carried and stored or carried into the hoistway easily and efficiently. Since the auxiliary beam 63 has a strip shape with a width smaller than that of the main body beam 62, the support beam 30 is reduced in weight and can be handled more easily and efficiently.

  Further, when the interval width of the guide rail 14 becomes extremely large, it is possible to cope with the interval width of the guide rail 14 only by exchanging the auxiliary beam 63 with a corresponding length.

  The support beam 30 is not limited to the case where the auxiliary beam 63 is attached to the main body beam 62 and is assembled and then lifted by the chain block 31. After the main beam 62 is lifted by the chain block 31, the auxiliary beam 63 is attached to the main beam 62. The support beam 30 may be assembled by attaching the.

  3 and 4 show a second embodiment. In this embodiment, the auxiliary beam 63 is continuous from the end on one end side to the end on the other end side along the longitudinal direction thereof. A long hole 46 having a long length is formed. A plurality of bolts 64 are inserted from the front surface of the main body beam 62 over the elongated hole 46, and nuts 65 are screwed to the end portions on the insertion side, and the auxiliary beams are tightened by the bolts 64 and the nuts 65. 63 is fastened and fixed to the main body beam 62.

  Then, by loosening the bolt 64 and the nut 65, the auxiliary beam 63 can be slid along the long hole 46 so that the auxiliary beam 63 can be accommodated on the intermediate portion side of the main body beam 62. That is, the auxiliary beam 63 is attached to the body beam 62 so as to be extendable and contractible.

  When installing such a rope gripping device on the guide rail 14, the supporting beam 30 is placed in the hoistway in a state where the auxiliary beam 63 is housed in the middle portion of the main body beam 62 and the length of the supporting beam 30 is reduced. Carry in. Then, after carrying in, the bolt 64 and the nut 65 are loosened, the auxiliary beam 63 is slid and protruded to the side of the end of the main body beam 62 by a predetermined length, and the bolt 64 and the nut 65 are tightened again in this state. The auxiliary beam 63 is fastened. A bolt / nut member 47 and a presser plate 48 are mounted in advance in the long hole 46 of each auxiliary beam 63.

  Further, the chain block 31 is hung at a predetermined position of each guide rail 14 in the hoistway, and the steady plate 43 is fastened and fixed to each predetermined position of each guide rail 14 via a clip / bolt member 44.

  Next, the shackle 31a of each chain block 31 is connected to the hanging bracket 36 of the support beam 30, and the support beam 30 is lifted to a predetermined position by operating these chain blocks 31.

  At this time, the auxiliary beam 63 protruding to the side of the support beam 30 is engaged with the swinging mechanism 40. That is, the auxiliary beam 63 is inserted into the slit 45 of the swing plate 43, and the press plate 48 is slid along the long hole 46 and pressed against the side surface of the steady plate 43. In this state, the bolt / nut member 47 is inserted. And the presser plate 48 is fastened and fixed to the auxiliary beam 63.

  Thereby, the swinging motion of the support beam 30 in the front-rear and left-right directions is suppressed, and the support beam 30 is positioned at a predetermined position. Under this state, the main ropes 4, 4 a are gripped by the gripping mechanisms 50 provided in front of the main body beam 62 and fixed to the support beam 30.

  In the case of such an embodiment, the bulk of the support beam 30 can be reduced simply by sliding the auxiliary beam 63 toward the middle side of the main body beam 62 and reducing it without disassembling the main body beam 62 and the auxiliary beam 63. can do. Since the auxiliary beam 63 is not separated from the main body beam 62, the auxiliary beam 63 can be transported, stored, or carried into the hoistway more easily, and the auxiliary beam 63 can be dropped when installed on the guide rail 14. Can be handled safely.

  FIGS. 5 and 6 show a third embodiment. In this embodiment, a bracket 66 having a substantially U-shaped cross section is attached to the end of the main body beam 62, and an auxiliary beam is provided inside the bracket 66. 63 is slidably inserted. The bracket 66 is screwed with a bolt 67 that abuts the plate surface of the auxiliary beam 63 and prevents the auxiliary beam 63 from sliding, and the end of the auxiliary beam 63 is detached from the bracket 66. A stop pin 68 is attached.

  When installing such a rope gripping device on the guide rail 14, the supporting beam 30 is placed in the hoistway in a state where the auxiliary beam 63 is housed in the middle portion of the main body beam 62 and the length of the supporting beam 30 is reduced. Carry in. Then, after carrying in, the bolt 67 is loosened, the auxiliary beam 63 is slid to project a predetermined length to the side of the end of the main body beam 62, and the bolt 67 is tightened again in this state to fasten the auxiliary beam 63. . A bolt / nut member 47 and a presser plate 48 are mounted in advance in the long hole 46 of each auxiliary beam 63.

  Further, the chain block 31 is hung at a predetermined position of each guide rail 14 in the hoistway, and the steady plate 43 is fastened and fixed to each predetermined position of each guide rail 14 via a clip / bolt member 44.

  Next, the shackle 31a of each chain block 31 is connected to the hanging bracket 36 of the support beam 30, and the support beam 30 is lifted to a predetermined position by operating these chain blocks 31.

  At this time, the auxiliary beam 63 protruding to the side of the support beam 30 is engaged with the swinging mechanism 40. That is, the auxiliary beam 63 is inserted into the slit 45 of the swing plate 43, and the press plate 48 is slid along the long hole 46 and pressed against the side surface of the steady plate 43. In this state, the bolt / nut member 47 is inserted. And the presser plate 48 is fastened and fixed to the auxiliary beam 63.

  Thereby, the swinging motion of the support beam 30 in the front-rear and left-right directions is suppressed, and the support beam 30 is positioned at a predetermined position. Under this state, the main ropes 4, 4 a are gripped by the gripping mechanisms 50 provided in front of the main body beam 62 and fixed to the support beam 30.

  Even in such a configuration, as in the second embodiment, the auxiliary beam 63 is slid to the intermediate portion side of the main beam 62 and reduced without disassembling the main beam 62 and the auxiliary beam 63. Only by this, the bulk of the support beam 30 can be reduced. Since the auxiliary beam 63 is not separated from the main body beam 62, the auxiliary beam 63 can be transported, stored, or carried into the hoistway more easily, and the auxiliary beam 63 can be dropped when installed on the guide rail 14. Can be handled safely.

  FIG. 7 shows a fourth embodiment. In this embodiment, an auxiliary beam 63 is attached to an end of a main body beam 62 via a shaft 70 so as to be rotatable, that is, foldable. The beam 62 and the auxiliary beam 63 constitute the support beam 30.

  Engaging portions 71a and 71b for positioning are cut out at both side edges on the end side supported by the shaft 70 of the auxiliary beam 63, and the positioning beams corresponding to the engaging portions 71a and 71b are formed in the main body beam 62. Bolts 72a and 72b are screwed.

  When the auxiliary beam 63 is rotated and horizontally deployed, as shown in the left part of FIG. 7, the engaging portion 71a engages with the bolt 72a, whereby the auxiliary beam 63 is held in a horizontal state. In addition, when the bolt 72a is fastened and its horizontal state is fixed, and the auxiliary beam 63 is rotated and folded so as to be vertical, the engagement portion 71b is formed as shown in the right part of FIG. The auxiliary beam 63 is held in a vertical state by engaging with the bolt 72b, and the vertical state is fixed by tightening the bolt 72b.

  When the auxiliary beam 63 is folded vertically, the auxiliary beam 63 is arranged so as to extend along the edge of the main body beam 62. A bolt / nut member 47 and a presser plate 48 are mounted in the long hole 46 of each auxiliary beam 63.

  In the case of this embodiment, the auxiliary beam 63 is folded when the support beam 30 is transported and stored, or carried into the hoistway. As a result, the support beam 30 can be reduced in size and the bulk thereof can be reduced, so that the work of carrying and storing or carrying it into the hoistway can be performed easily and efficiently.

  When the support beam 30 is installed on the guide rail 14, the auxiliary beam 63 is expanded horizontally, and the expanded state is fixed by tightening the bolt 72a. In this state, the support beam 30 is lifted to a predetermined position by the chain block 31. Then, the auxiliary beam 63 is engaged with the steadying mechanism 40, and the support beam 30 is positioned. The auxiliary beam 63 may be deployed after the support beam 30 is lifted up to a predetermined position.

  In the case of such an embodiment, similarly to the second embodiment, the bulk of the support beam 30 can be reduced by simply folding the auxiliary beam 63 without disassembling the main body beam 62 and the auxiliary beam 63. Can do. Since the auxiliary beam 63 is not separated from the main body beam 62, the auxiliary beam 63 can be transported, stored, or carried into the hoistway more easily, and the auxiliary beam 63 can be dropped when installed on the guide rail 14. Can be handled safely.

  8 to 10 show a fifth embodiment. In this embodiment, the auxiliary beam 63 is attached to the end of the main body beam 62 via a hinge 75 so as to be rotatable, that is, foldable. The main beam 62 and the auxiliary beam 63 constitute the support beam 30.

  When the auxiliary beam 63 is rotated and deployed in a horizontally extending state, the proximal end surface of the auxiliary beam 63 comes into contact with the end surface of the end portion of the main body beam 62. Flange 76 is integrally formed on both side edge portions of the base end side of auxiliary beam 63, and engaging portions 76a made of U-shaped notches are formed on these flanges 76 as shown in FIG. A bolt 78 corresponding to the engaging portion 76a is screwed to the end of the main body beam 62.

  When the auxiliary beam 63 is rotated and deployed, the flange 76 is engaged with the bolt 78. Then, by tightening the bolt 78 in this state, the unfolded state in which the auxiliary beam 63 extends horizontally from the end portion of the main body beam 62 to the side and projects is fixed.

  In the case of this embodiment, the auxiliary beam 63 is folded when the support beam 30 is transported and stored, or carried into the hoistway. As a result, the auxiliary beam 63 overlaps the main body beam 62, and the support beam 30 can be reduced in size and reduced in bulk. Therefore, its transportation and storage, or carrying-in work into the hoistway can be performed easily and efficiently. be able to.

  When the support beam 30 is installed on the guide rail 14, the auxiliary beam 63 is unfolded and protrudes from the end of the main body beam 62, and the unfolded state is fixed by tightening the bolt 72 a, and the support beam 30 is chained in this state. The block 31 is lifted to a predetermined position, the auxiliary beam 63 is engaged with the steadying mechanism 40, and the support beam 30 is positioned. The auxiliary beam 63 may be deployed after the support beam 30 is lifted up to a predetermined position.

  In the case of such an embodiment, similarly to the second embodiment, the bulk of the support beam 30 can be reduced by simply folding the auxiliary beam 63 without disassembling the main body beam 62 and the auxiliary beam 63. Can do. Since the auxiliary beam 63 is not separated from the main body beam 62, the auxiliary beam 63 can be transported, stored, or carried into the hoistway more easily, and the auxiliary beam 63 can be dropped when installed on the guide rail 14. Can be handled safely.

  11 and 12 show a sixth embodiment. In this embodiment, a long slot 80 is formed in the auxiliary beam 63 along the longitudinal direction thereof. Then, a plurality of bolts 81 are inserted from the front surface of the main body beam 62 over the long hole 80, and nuts 82 are respectively screwed to end portions on the insertion side, and the auxiliary beams are tightened by the bolts 81 and the nuts 82. 63 is fastened and fixed to the main body beam 62.

  Then, by loosening the bolt 81 and the nut 82, the auxiliary beam 63 can be slid along the long hole 80 so that the auxiliary beam 63 can be accommodated on the intermediate portion side of the main body beam 62. That is, the auxiliary beam 63 is attached to the body beam 62 so as to be extendable and contractible.

  A bracket 85 is attached to the end of the auxiliary beam 63 on the distal end side, and the bracket 85 forms a groove-like engaging portion 86 that can engage with the tooth portion 14a of the guide rail 14 at the distal end of the auxiliary beam 63. ing. By extending the auxiliary beam 63, the engaging portion 86 can be engaged with the tooth portion 14a of the guide rail 14.

  In the case of this embodiment, when the support beam 30 is transported and stored, or carried into the hoistway, the auxiliary beam 63 is slid and stored on the intermediate portion side of the main body beam 62, and the bolt 81 is used to The auxiliary beam 63 is fastened to the main body beam 62. As a result, the auxiliary beam 63 overlaps the main body beam 62, and the support beam 30 can be reduced in size and reduced in bulk. Therefore, its transportation and storage, or carrying-in work into the hoistway can be performed easily and efficiently. be able to.

  When the support beam 30 is installed on the guide rail 14, first, the support beam 30 is lifted up to a predetermined position by the chain block 31. Next, the bolt 81 is loosened, the auxiliary beam 63 is slid to the side of the main body beam 62 and extended, and the engaging portion 86 at the tip thereof is engaged with the tooth portion 14a of the guide rail 14, and thereafter The bolt 81 is tightened, and the auxiliary beam 63 is fastened and fixed to the main body beam 62.

  According to such an embodiment, as in the case of the second embodiment, the auxiliary beam 63 is slid to the intermediate portion side of the main beam 62 without disassembling the main beam 62 and the auxiliary beam 63. The bulk of the support beam 30 can be reduced simply by storing. Since the auxiliary beam 63 is not separated from the main body beam 62, the auxiliary beam 63 can be transported, stored, or carried into the hoistway more easily, and the auxiliary beam 63 can be dropped when installed on the guide rail 14. Can be handled safely.

  Further, the support beam 30 is lifted to a predetermined position by the chain block 31, and the auxiliary beam 63 is slid and extended to the side of the main body beam 62, so that the engaging portion 86 at the distal end portion of the auxiliary beam 63 becomes the guide rail. 14, the support beam 30 can be prevented from steadying, that is, the engaging part 86 of the auxiliary beam 63 functions as a steadying mechanism of the support beam 30. The steady rest mechanism as in the embodiment can be omitted, and the configuration can be simplified.

  When the groove-like engaging portion 86 of the auxiliary beam 63 is engaged with the tooth portion 14a of the guide rail 14, the groove-like engaging portion may be damaged if there is a risk of damaging the surface of the tooth portion 14a. By attaching an elastic material such as rubber to the inner surface of 86, the damage can be prevented.

  13 and 14 show a seventh embodiment. In this embodiment, a plurality of flat support members 88 are horizontally and uniformly attached to the lower end edge of the main body beam 62 in the support beam 30. The support beam 30 can be placed on a horizontal floor via these support members 88.

  In addition, the main body beam 62 of the support beam 30 and the anti-sway mechanism 40 are connected to each other by a wire 89 as a linear member having a sufficient length. One end of the wire 89 is coupled to the main body beam 62, and the other end is detachably coupled to the steady plate 43 via a hook 90.

  According to such a configuration, the support beam 30 can be placed on the horizontal floor surface in a standing state via the support member 88 when the support beam 30 is stored or installed. Temporary storage or storage.

  The support beam 30 is provided with a large number of bolts and the like projecting on both sides thereof. Therefore, if the support beam 30 is laid down on the floor surface, the bolts and the like are damaged. However, as in the present embodiment, a flat support member 88 is provided at the lower end edge of the support beam 30 to place the support beam 30 in an upright state on the floor surface and damage the bolts and the like. Can be prevented.

  Further, according to the present embodiment, when the steady plate 43 is attached to the guide rail 14, the steady plate 43 can be connected to the main body beam 62 by the wire 89. Even if the stop plate 43 is carelessly separated from the hand, the fall can be prevented.

  The present invention is not limited to the case where the support beam is installed on the counterweight guide rail, but may be a case where the support beam is installed on the car guide rail.

The front view which shows the rope holding | grip apparatus which concerns on 1st Embodiment of this invention. Sectional drawing which expands and shows a part of structure of the rope gripping apparatus. The front view which shows the rope holding | grip apparatus which concerns on 2nd Embodiment of this invention. The top view which expands and shows a part of structure of the rope gripping apparatus. The front view which shows the one part structure of the rope holding | grip apparatus which concerns on 3rd Embodiment of this invention. Sectional drawing which expands and shows a part of structure of the rope gripping apparatus. The front view which shows the rope holding | grip apparatus which concerns on 4th Embodiment of this invention. The front view which shows the one part structure of the rope holding | grip apparatus which concerns on 5th Embodiment of this invention. The top view which expands and shows a part of structure of the rope gripping apparatus. Sectional drawing which expands and shows a part of structure of the rope gripping apparatus. The front view which shows the one part structure of the rope holding | grip apparatus which concerns on 6th Embodiment of this invention. The top view which expands and shows a part of structure of the rope gripping apparatus. The front view which shows the rope holding | grip apparatus which concerns on 7th Embodiment of this invention. The side view which expands and shows the structure of a part of the rope gripping device. Explanatory drawing which shows the state at the time of the exchange work of the main rope of an elevator. The perspective view which shows the structure of the conventional rope holding | grip apparatus. The front view which shows the structure of the other conventional rope holding | grip apparatus. The top view which shows the structure of the rope holding | grip apparatus. Sectional drawing which shows the structure of a part of the rope gripping device. The front view which shows the rope holding | grip mechanism in the rope holding | grip apparatus. Sectional drawing of the rope gripping mechanism.

Explanation of symbols

4.4a ... Main rope 10 ... Chain block 13 ... Rope gripping device 14 ... Guide rail 30 ... Support beam 31 ... Chain block 40 ... Stabilizing mechanism 43 ... Stabilizing plate 45 ... Slit 46 ... Long hole 48 ... Presser plate 50 ... Rope gripping mechanism 62 ... main body beam 63 ... auxiliary beam 70 ... shaft 71a. 71b ... engaging part 72a. 72b ... bolt 75 ... hinge 88 ... support member 89 ... wire

Claims (9)

In the rope gripping device that grips and fixes the main rope in the elevator hoistway when installing or replacing the main rope of the elevator,
Equipped with a support beam spanned between a pair of guide rails for elevator counterweight or car, this support beam,
A main body beam suspended horizontally through a suspension member in the middle of the pair of guide rails, having a gripping mechanism for gripping the main rope, and having a length shorter than the interval width of the pair of guide rails ,
Auxiliary beams that are detachably attached to both ends of the main body beam, and stop the front and rear, left and right wobbling movements of the main body beam by engaging the guide rail via a vibration preventing mechanism,
An elevator rope gripping device comprising: In the rope gripping device that grips and fixes the main rope in the elevator hoistway when installing or replacing the main rope of the elevator,
Equipped with a support beam spanned between a pair of guide rails for elevator counterweight or car, this support beam,
A main body beam suspended horizontally through a suspension member in the middle of the pair of guide rails, having a gripping mechanism for gripping the main rope, and having a length shorter than the interval width of the pair of guide rails ,
Auxiliary beams that are attached to both ends of the main beam so as to be extendable and stop the swinging motion of the main beam in the front-rear and left-right directions by engaging with the guide rail via a steady-rest mechanism in the extended state. When,
An elevator rope gripping device comprising:   3. The auxiliary beam includes an engaging portion that engages with the guide rail according to an extension operation thereof and functions as a steady stop mechanism that stops a swinging motion of the main body beam from front to back and from side to side. The elevator rope gripping device according to claim 1. In the rope gripping device that grips and fixes the main rope in the elevator hoistway when installing or replacing the main rope of the elevator,
Equipped with a support beam spanned between a pair of guide rails for elevator counterweight or car, this support beam,
A main body beam suspended horizontally in the middle of the pair of guide rails via a suspension member, having a gripping mechanism for gripping the main rope, and having a length shorter than the interval width of the pair of guide rails ,
It is attached to both ends of the main beam so as to be pivotable, and by the rotation, it extends horizontally toward the side of the end of the main beam and a folded state that fits within the length of the main beam. Auxiliary beams that can be converted and stop the back-and-forth and left-and-right swing movements of the main beam by engaging the guide rails via a steady-state mechanism under the deployed state,
An elevator rope gripping device comprising:   5. The flat support member that enables the main body beam to be placed on a horizontal floor surface in an upright state is provided on the main body beam. The elevator rope gripping device according to claim 1.   The steadying mechanism with which the auxiliary beam engages has a steadying plate attached to a guide rail, and the steadying plate and the main body beam can be connected by a line member. The elevator rope gripping device according to claim 1, 2, 4 or 5. A method of installing a rope gripping device for gripping and fixing the main rope in the elevator hoistway when installing or replacing the main rope of the elevator,
The rope gripping device includes a support beam spanned between a pair of guide rails for an elevator counterweight or a car, and the support beam has a gripping mechanism for gripping a main rope. The main beam is shorter than the interval width of the guide rail, and the auxiliary beam is detachably attached to both ends of the main beam.
The main body beam is suspended horizontally through a suspension member in the middle of the pair of guide rails, and the auxiliary beams are attached to both ends of the main body beam. An elevator rope gripping device installation method characterized in that the main body beams are engaged with each other to prevent back-and-forth and left-and-right steadying. A method of installing a rope gripping device for gripping and fixing the main rope in the elevator hoistway when installing or replacing the main rope of the elevator,
The rope gripping device includes a support beam spanned between a pair of guide rails for an elevator counterweight or a car, and the support beam has a gripping mechanism for gripping a main rope. It consists of a main beam that is shorter than the interval width of the guide rails, and auxiliary beams that are extendable at both ends of the main beam,
The main body beam is suspended horizontally through a suspension member in the middle of the pair of guide rails, the auxiliary beams are extended from both ends of the main body beam, and an anti-sway mechanism is provided for the auxiliary beams with respect to the guide rails. An elevator rope gripping device installation method characterized in that the main body beams are engaged with each other to prevent back-and-forth and left-and-right steadying. A method of installing a rope gripping device for gripping and fixing the main rope in the elevator hoistway when installing or replacing the main rope of the elevator,
The rope gripping device includes a support beam spanned between a pair of guide rails for an elevator counterweight or a car, and the support beam has a gripping mechanism for gripping a main rope. It is composed of a main beam that is shorter than the interval width of the guide rail, and auxiliary beams that are foldable at both ends of the main beam,
The main body beam is suspended horizontally through a suspension member in the middle of the pair of guide rails, and the auxiliary beam is expanded from a folded state to a protruding state projecting to the side of the main body beam. A method for installing an elevator rope gripping device, wherein the rail is engaged with a rail via a steadying mechanism, and the main body beam is secured to the front, back, left and right by this engagement.

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