JP2006182461A - Temporary elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a temporary elevator capable of easily attaching a winch and pulling a rope coming out of the winch around simply. <P>SOLUTION: This temporary elevator 1 is provided with a car floor 2, a car vertical frame 3, a winch rope 4, the winch 5, a winch frame 6, and a rope guide 7. The car floor 2 is a car floor used in a car moving along a shaft 20 of the elevator. The car vertical frame 3 is upward extended in a pair from fringes 2a, 2b which become opposing sides of the car floor 2. The winch rope 4 is suspended from a suspension origin 21 provided in an upper part of the shaft 20. The winch 5 is arranged in a basic part 3a of the car vertical frame 3 on an inner side of the outer periphery of the car floor 2 to reel out the winch rope 4 to a taking-in side from above. The winch frame 6 fixes the winch 5 to the car vertical frame 3. The rope guide 7 hangs down the winch rope 4 reeled out of the winch 5 into the shaft 20 by detouring the car vertical frame 3 and the car floor 2. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a temporary lifting device that is used for elevator installation work by attaching a winch to a work rod that uses a part of a rod bed and a frame.

  In elevator installation work, there is a temporary lifting device for work that is provided to carry in materials, hold doors, and assemble frames until the riding and hoisting machines are operated after the rails are installed. is there. The temporary lifting device includes a work rod that uses a part of the main riding rod and a winch that winds the working rod. In this case, as the building becomes taller, an endless type winch that does not wind up the winch rope is used.

Patent document 1 is disclosing the temporary raising / lowering apparatus using an endless type winch. Patent document 1 is disclosing several examples of a different form about the case where a winch is installed in the upper part of a hoistway, and the case where a winch is installed in the work rod side. In particular, when the winch is attached to the side of the work rod, it is attached to the upper part of the rod frame of the main vehicle.
Japanese Patent No. 3092456

  In the case of the temporary winch device for installing an elevator described in Patent Document 1, the winch mounting position is above the vertical frame. Since the winch alone is heavy, in order to attach the winch to the vertical frame, it is necessary to hang and attach the winch with another hoist. Therefore, it is necessary to prepare for lifting the hoist to lift the winch. Since it takes time to handle the installation and removal of the winch, additional man-hours are required.

  In addition, at the stage of installing the elevator using the temporary winch device, various peripheral devices and scaffolds for attaching them are beginning to be installed in the hoistway. The winch rope hangs down naturally after exiting the winch, and care must be taken to prevent it from hitting peripheral equipment below the floor. In particular, when the winch is mounted at a position inside the bed, it should be prevented from rubbing at the edge of the bed.

  Then, this invention is providing the temporary raising / lowering apparatus which can attach a winch easily and can route the rope which comes out of a winch easily.

  The temporary raising / lowering apparatus which concerns on this invention is provided with a saddle floor, a saddle vertical frame, a winch rope, a winch, a winch frame, and a rope guide. The bed is a bed used for a ride that moves along the elevator hoistway. The cocoon vertical frame extends in a pair upward from the opposite edge of the heel bed. The winch rope is hung from a suspension provided at the upper part of the hoistway. The winch is arranged at the base of the vertical frame inside the outer periphery of the vertical bed, and takes in the winch rope from above and feeds it to the side. The winch frame fixes the winch to the vertical frame. The rope guide hangs the winch rope fed out from the winch, bypassing the vertical frame and the vertical floor to the hoistway.

  In order to transport the winch to the mounting position without using a special lifting machine, the winch frame is preferably provided with a caster at the bottom. It is also preferable to provide a positioning guide for guiding the winch frame to the mounting position with the vertical hook frame in order to facilitate alignment with the mounting position. Further, in order to improve handling during transportation, the winch frame may include at least one handle on the upper side where the winch takes in the winch rope. In order to guide the winch rope smoothly, the rope guide includes a first pulley for routing the winch rope fed out from the winch to the outside of the floor, and the winch rope passing through the first pulley as a hoistway. A second pulley is provided for routing along the direction.

  According to the temporary lifting device according to the present invention, since the winch is installed at the base of the vertical frame, it is not necessary to prepare a hoist separately and attach the winch. In addition, it is equipped with a rope guide that hangs the winch rope to the hoistway, bypassing the vertical frame and the eaves floor, so that the winch rope does not rub against the eaves and can be attached to peripheral equipment and scaffolding in the hoistway. It can be hung in an appropriate position where it does not hit.

  The temporary raising / lowering apparatus 1 of 1st Embodiment which concerns on this invention is demonstrated with reference to FIG. 1 and FIG. As shown in FIG. 1, the temporary lifting device 1 includes a saddle floor 2, a saddle vertical frame 3, a winch rope 4, a winch 5, a winch frame 6, and a rope guide 7. The bed 2 is a bed used for a ride that moves along the elevator hoistway 20. The eaves vertical frame 3 extends upward from the edges 2a and 2b which are opposite sides of the eaves floor 2 as a pair. The elevator floor 2 and the elevator vertical frame 3 are diverted from the elevator to be installed in the hoistway 20.

  The winch rope 4 is hung from a suspension base 21 provided at the upper part of the hoistway 20. The hanging base 21 may be a dedicated one, may be diverted to something else, or may be temporarily installed. As shown in FIG. 3, a suspension base 21 is provided at a position where the winch rope 4 hangs down on a line segment connecting the pair of eaves vertical frames 3.

  As shown in FIGS. 1 and 3, the winch 5 is disposed on the base 3 a of the eaves vertical frame 3 inside the outer periphery of the eaves floor 2. The winch 5 is an endless type that does not wind up the winch rope 4 and takes the winch rope 4 vertically from above and feeds it to the side.

  As shown in FIG. 2, the winch frame 6 is provided so as to surround the four sides of the winch 5, and fixes the winch 5 to the vertical frame 3. A rope hole 6 b through which the winch rope 4 is passed and a handle 8 for conveying the winch frame 6 together with the winch 5 are attached to the top plate 6 a of the winch frame 6. Four casters 9 are attached to the bottom 6 c of the winch frame 6. Accordingly, even if the winch 5 is heavy to be lifted and transported by an operator, it can be transported without using a special lifting machine, and handling when moving the winch frame 6 mounted with the winch 5 is possible. good.

  Further, the heel vertical frame 3 is provided with a heel side bracket 3 b for fixing the winch frame 6. The winch frame 6 is provided with a winch side mounting portion 6d at a position corresponding to the heel side bracket 3b in a state where the winch frame 6 is erected on the heel floor 2 with casters 9. The heel side bracket 3b and the winch side attaching portion 6d are fastened by bolts 10 and nuts 11 as shown in FIGS. In the present embodiment, a vertically long bolt hole 12a is provided in the vertical side bracket 3b, and a horizontally long bolt hole 12b is provided in the winch side mounting portion 6d to absorb manufacturing errors and assembly errors. Therefore, the operator carries the winch 5 together with the winch frame 6 by the caster 9 and presses it against the vertical frame 3 as it is, so that the bolt holes 12a and 12b of the vertical bracket 3b and the winch side mounting portion 6d are aligned with each other. Can be fixed.

  The rope guide 7 is provided on the winch frame 6 on the side where the winch rope 4 is fed. The rope guide 7 is made by bending a round steel bar. The base portion 7a of the rope guide 7 is fixed to the winch frame 6 by an appropriate method such as welding or bolting. The distal end 7b of the rope guide 7 extends to a position where the rope guide 7 is disengaged from the floor 2 and is formed in at least one spiral shape. Therefore, the winch rope 4 can be hung without passing from the end. The winch rope 4 is drawn from the side of the winch 5 and then hangs on the hoistway 20 by bypassing the vertical frame 3 and the vertical floor 2 by the rope guide 7. The position where the winch rope 4 is hung is set so as to be the position where the possibility of contact with peripheral devices is the least.

  The temporary lifting device 1 configured as described above is used for installing various devices installed in the hoistway 20, such as a hold door and a safety device, in the installation work of the elevator. After the rails for riding rods are laid in the hoistway 20, when the rod floor 2 and the rod vertical frame 3 are installed, the winch frame 6 on which the winch 5 is mounted is carried into the base 3 a of the rod vertical frame 3. Fix it. Then, the winch rope 4 that is lowered from the suspension base 21 provided in the upper part of the hoistway 20 is hung on the winch 5.

  A caster 9 is attached to the winch frame 6, and the caster 9 is combined with the vertical frame 3 in a state of being placed on the vertical bed 2. Therefore, the installation work of the winch 5 can be performed easily. In addition, a rope guide 7 is attached to the winch frame 6, and the winch rope 4 is guided to a position outside the edges 2a, 2b of the heel bed 2, so that the edges 2a, 2b of the heel bed 2 are It won't hurt.

  The temporary raising / lowering apparatus 1 of 2nd Embodiment which concerns on this invention is demonstrated with reference to FIG. In addition, about the same structure as the temporary raising / lowering apparatus 1 of 1st Embodiment, the same code | symbol is attached | subjected, and FIG. 1 and its description are referred for the whole structures, such as arrangement | positioning of the winch frame 6. The description here is omitted.

  As shown in FIG. 4, a guide plate 15 serving as a positioning guide is attached to the bed 2. The guide plate 15 guides the caster 9 attached to the bottom 6 c of the winch frame 6 and positions the winch frame 6 with respect to the vertical frame 3. In addition, what has the function to guide the winch 5 for positioning with respect to the eaves vertical frame 3, for example, an arm extending inward from the eaves vertical frame 3, a guide pin protruding from the eaves side bracket 3b, etc. May be provided instead of the guide plate 15.

  The rope guide 7 attached to the winch frame 6 is made by three-dimensionally bending an L-shaped steel, bypassing the winch rope 4 fed from the winch 5 around the vertical frame 3 and the vertical floor 2, Gently guide to the outside of the bed 2. The temporary lifting device 1 can easily position the winch 5 with respect to the heel vertical frame 3 as compared with the case of the first embodiment, and the bolt hole 12a between the heel side bracket 3b and the winch side mounting portion 6d. , 12b can be omitted for fine adjustment.

  A temporary lifting apparatus 1 according to a third embodiment of the present invention will be described with reference to FIG. The temporary lifting device 1 of the present embodiment is different in the form of the rope guide 7 from the temporary lifting device 1 of the first and second embodiments. Since the entire configuration of the temporary lifting device 1 is the same as that of the first embodiment, reference is made to FIG. 1 and corresponding portions, and description thereof is omitted here. Moreover, in FIG. 5, the same structure as the temporary raising / lowering apparatus 1 of 1st Embodiment attaches | subjects the same code | symbol, and abbreviate | omits the description.

  As shown in FIG. 5, the rope guide 7 includes at least two pulleys, and is fixed to the winch frame 6 with brackets. The first pulley 31 routes the winch rope 4 fed out from the winch 5 toward the outside of the floor 2. The second pulley 32 routes the winch rope 4 that has passed through the first pulley 31 in the direction along the hoistway 20. In the present embodiment, a third pulley 33 is further provided between the first pulley 31 and the winch 5. The third pulley 33 is arranged so as to follow the direction in which the winch rope 4 hangs down by its own weight. As a result, the amount of bending by which the winch rope 4 is bent by the first pulley 31 and the second pulley 32 is reduced. Therefore, the burden on the winch rope 4 can be reduced.

The perspective view which shows the temporary raising / lowering apparatus of 1st Embodiment which concerns on this invention. The perspective view which shows one winch of the temporary raising / lowering apparatus shown in FIG. The top view which looked down at the temporary raising / lowering apparatus shown in FIG. 1 from upper direction. The perspective view which removed the winch shown in FIG. 2 from the heel vertical frame. The perspective view which shows the winch of the temporary raising / lowering apparatus of 2nd Embodiment which concerns on this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Temporary raising / lowering device, 2 ... Saddle floor, 3 ... Saddle vertical frame, 3a ... Base, 4 ... Winch rope, 5 ... Winch, 6 ... Winch frame, 6c ... Bottom part, 7 ... Rope guide, 8 ... Handle, 9 ... Caster, 15 ... guide plate (positioning guide), 20 ... hoistway, 21 ... hanging base, 31 ... first pulley, 32 ... second pulley.

Claims (5)

A riding bed that moves along the elevator hoistway;
A pair of eaves vertical frames extending upward from the opposite edge of the eaves;
A winch rope suspended from a suspension base provided at the top of the hoistway;
A winch that is arranged at the base of the vertical frame inside the outer periphery of the vertical bed and feeds the winch rope from above to the side, and
A winch frame for fixing the winch to the vertical vertical frame;
A temporary elevating device comprising: a rope guide for hanging the winch rope fed out from the winch to the hoistway while hanging down the vertical frame and the eaves floor.   The temporary lifting device according to claim 1, wherein the winch frame includes a caster at a bottom portion.   The temporary elevating device according to claim 1 or 2, further comprising a positioning guide for guiding the winch frame to a mounting position with the vertical frame.   The temporary lifting device according to any one of claims 1 to 3, wherein the winch frame includes at least one handle on an upper side where the winch takes in the winch rope.   The rope guide includes a first pulley for routing the winch rope fed out from the winch to the outside of the floor, and the winch rope passing through the first pulley in a direction along the hoistway. The temporary elevating device according to any one of claims 1 to 4, further comprising a second pulley to be rotated.

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