JP2015054769A - Connection member for elevator balance weight frame, and fitting method thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connection member for an elevator balance weight frame for fitting to an intermediate part in a height direction of a vertical frame with more sureness and easiness.SOLUTION: There are provided a fitting stage 4 provided between a pair of adjoining balance weights 3 among a plurality of balance weights 3 arrayed in a height direction, and a connection member 5 for a vertical frame which is provided across a pair of vertical frames 21 and runs between the pair of balance weights 3 to which the fitting stage 4 is provided. A dimension of the fitting stage 4 in a depth direction of the balance weight 3 is smaller than the dimension of the balance weight 3 in the depth direction of the balance weight 3.

Description

  The present invention relates to a connecting member for an elevator counterweight frame that suppresses a deformation of a pair of vertical frames in a counterweight frame in a direction in which the pair of vertical frames expands due to horizontal seismic motion, and a method of attaching the same.

  A counterweight frame having a pair of vertical frames, an upper frame provided over the upper end of each vertical frame, and a lower frame provided over the lower end of each vertical frame; and a counterweight frame In an elevator weight device equipped with a counterweight that is stacked and held inside, a pair of vertical frames will bend and deform in the direction of spreading due to horizontal shaking caused by a horizontal earthquake, etc., and the counterweight will fall off In order to prevent this, it is necessary to install an elevator balancing weight frame connecting member in the vicinity of the intermediate portion in the height direction of the vertical frame where the amount of deflection is maximized. Conventionally, as a connecting member for an elevator balancing weight frame, a connecting body having a front side connecting body and a rear side connecting body that are provided over each intermediate portion in the height direction of a pair of vertical frames, 2. Description of the Related Art An elevator balancing weight frame connecting member provided with bolts for fixing a connecting body to each vertical frame is known.

JP 2008-143655 A

  However, since the connecting body is arranged so as to surround the counterweight, if there is not enough installation space in the gap between the counterweight and the car and the gap between the counterweight and the hoistway wall, the elevator balance There was a problem that the weight frame connecting member could not be attached. Also, in many cases, a counterweight is stacked on the inner side of the counterweight frame up to the upper part in the height direction beyond the middle in the height direction of the vertical frame. In order to install the connecting member for the elevator counterweight weight frame while maintaining the size of the gap between the road wall and the gap between the counterweight and the car and the gap between the counterweight and the hoistway wall, the width is narrow. It is necessary to install a predetermined number of narrow weights, which are counterweights, in the middle in the height direction of the vertical frame, and fix the connecting body to the pair of vertical frames so as to surround the narrow weight. In this case, in order to install a narrow weight, it is necessary to remove some counterweights from the counterweight frame, install the narrow weights, and then attach the removed counterweight to the counterweight frame. For this reason, there has been a problem that a great amount of labor is required for mounting the elevator balance weight frame connecting member.

  This invention provides the connecting member for elevator balance weight frames which can be reliably and easily attached by the height direction intermediate part in a vertical frame, and its attachment method.

  The elevator balancing weight frame connecting member according to the present invention includes a mounting base provided between a pair of adjacent counterweights in a plurality of counterweights arranged in the height direction, and a pair of vertical frames. And a connecting member for a vertical frame that passes between a pair of counterweights provided with a mounting base.

  According to the connecting member for an elevator counterweight frame according to the present invention, a mounting base provided between a pair of adjacent counterweights among a plurality of counterweights arranged in the height direction, and a pair of longitudinal weights Since it is provided with a connecting member for a vertical frame that is provided across the frame and passes between a pair of counterweights provided with mounting bases, the uppermost part of the plurality of counterweights arranged in the height direction is Even if it is located above the intermediate portion in the height direction of the vertical frame, it can be reliably and easily attached by the intermediate portion in the vertical direction of the vertical frame.

It is a front view which shows the elevator balance weight apparatus with which the connection member for elevator balance weight frames which concerns on Embodiment 1 of this invention is attached. It is an enlarged view which shows the state by which the connection member for elevator balance weight frames was attached to the elevator balance weight apparatus of FIG. It is arrow sectional drawing along the III-III line of FIG. It is a perspective view which shows the mount of FIG. It is a perspective view which shows the through bolt of FIG. It is a side view which shows the modification of the mounting base of FIG. It is a side view which shows the modification of the mounting base of FIG. It is a front view which shows the modification of the connection member for vertical frames of FIG.

Embodiment 1 FIG.
1 is a front view showing an elevator balancing weight device to which a connecting member for an elevator balancing weight frame according to Embodiment 1 of the present invention is attached. The elevator counterweight device includes a counterweight frame 2 that moves up and down along a pair of guide rails 1 and a plurality of counterweights 3 that are attached to the counterweight frame 2. The counterweight frame 2 includes a pair of vertical frames 21 extending in the height direction, an upper frame 22 that connects the upper ends of the pair of vertical frames 21, and a lower frame 23 that connects the lower ends of the pair of vertical frames 21. And have. The plurality of counterweights 3 are arranged on the lower frame 23 in the height direction.

  2 is an enlarged view showing a state in which an elevator balancing weight frame connecting member is attached to the elevator balancing weight device of FIG. 1, and FIG. 3 is a cross-sectional view taken along the line III-III in FIG. The elevator balancing weight frame connecting member includes two mounting bases 4 and a vertical frame connecting member 5 provided across a pair of vertical frames 21.

  The mounting base 4 is disposed between a pair of adjacent counterweights 3 in the counterweight 3 arranged in the height direction. The mounting base 4 is disposed between the pair of counterweights 3 so as to be adjacent to the middle portion in the vertical direction of the vertical frame 21.

  The dimension A of the mounting base 4 in the depth direction of the counterweight 3 is smaller than the dimension B of the counterweight 3 in the depth direction. In this example, the depth direction of the counterweight 3 is a direction perpendicular to the width direction (longitudinal direction) of the counterweight 3 when the counterweight 3 is viewed from above. The dimension A of the mounting base 4 in the depth direction of the counterweight 3 may be equal to the dimension B of the counterweight 3 in the depth direction.

  FIG. 4 is a perspective view showing the mounting base 4 of FIG. The mounting base 4 is made of iron. The mounting base 4 is formed in a cylindrical shape. The dimension in the width direction of the mounting base 4 is smaller than the dimension between the pair of vertical frames 21. Thereby, the mounting base 4 can be installed between the pair of counterweights 3 while moving the mounting base 4 in the depth direction. Two through holes 41 extending along the top and bottom surfaces are formed in the mounting base 4. The mounting base 4 is disposed between the pair of counterweights 3 so that the direction of the through hole 41 coincides with the width direction of the counterweight 3. The shape of the mounting base 4 is not limited to a cylindrical shape, and may be, for example, a rectangular parallelepiped shape or a cubic shape.

  As shown in FIG. 3, the vertical frame connecting member 5 includes two through bolts 51 and nuts 52 attached to both ends of each through bolt 51. The vertical frame 21 is formed with a through hole into which the through bolt 51 is inserted. The through bolts 51 are attached to the pair of vertical frames 21 so that both ends protrude outward in the width direction from the pair of vertical frames 21. When the nut 52 is screwed to the end of the through bolt 51, the vertical frame connecting member 5 is fixed to the pair of vertical frames 21.

  FIG. 5 is a perspective view showing the through bolt 51 of FIG. At both ends of the through bolt 51, thread grooves 511 for being screwed onto the nut 52 are formed.

  As shown in FIG. 3, each through bolt 51 is inserted into the through hole 41 of the mount 4. Thereby, it can prevent that the mounting base 4 remove | deviates from an elevator balance weight apparatus.

  Next, the attachment method which attaches the connection member for elevator balance weight frames to an elevator balance weight apparatus is demonstrated. First, some of the counterweights 3 among the plurality of counterweights 3 arranged in the height direction are lifted (lifting step). Specifically, a hydraulic jack having a wedge-shaped tip is inserted between a pair of counterweights 3 and the hydraulic jacks are driven to lift some counterweights 3.

  After the lifting process, two mounting bases 4 are installed between the pair of counterweights 3 in which the gap C (FIG. 2) is formed by the lifting process (mounting base installation process). At this time, the direction of the through hole 41 and the width direction of the counterweight 3 are matched.

  After the mounting base installation process, the vertical frame connecting member 5 is mounted across the pair of vertical frames 21 so as to pass between the pair of counterweights 3 in which the gap C is formed by the lifting process (the vertical frame connection). Member attachment process). At this time, the through bolt 51 is inserted into the through hole 41. When the through hole into which the through bolt 51 is inserted is not formed in the vertical frame 21, the through hole is formed in the vertical frame 21 and the vertical frame connecting member 5 is attached across the pair of vertical frames 21. Thus, the method for attaching the connecting member for the elevator balance weight frame is completed.

  As explained above, according to the connecting member for elevator counterweight frames according to Embodiment 1 of the present invention, a pair of adjacent counterweights among the plurality of counterweights 3 arranged in the height direction. 3 and a connecting member 5 for a vertical frame provided across a pair of vertical frames 21 and passing between a pair of counterweights 3 provided with the mounting base 4. Therefore, even when the uppermost portions of the plurality of counterweights 3 arranged in the height direction are positioned higher than the intermediate portion in the height direction of the vertical frame 21, the intermediate portion in the vertical direction of the vertical frame 21 is more reliable. And can be easily attached.

  Moreover, since the dimension of the mounting base 4 in the depth direction of the counterweight 3 is smaller than the dimension of the counterweight 3 in the depth direction, a member such as a hoistway wall on the outer side in the depth direction of the elevator counterweight device. Even if it is a case where it is arrange | positioned, it can prevent that the counterweight 3 contacts the member.

  Moreover, according to the attachment method of the connecting member for elevator counterweight frames which concerns on Embodiment 1 of this invention, some counterweights 3 in the some counterweight 3 arranged in the height direction are attached. A lifting step for lifting, a mounting base installation step for installing the mounting base 4 between a pair of counterweights 3 in which a gap C is formed by the lifting step, and a pair of fishing for which a gap C is formed by the lifting step A vertical frame connecting member mounting step for mounting the vertical frame connecting member 5 across the pair of vertical frames 21 so as to pass between the counterweights 3, so that the counterweights 3 arranged in the height direction are provided. Even when the uppermost portion of the vertical frame 21 is positioned above the intermediate portion in the height direction of the vertical frame 21, it can be reliably and easily attached to the intermediate portion in the vertical direction of the vertical frame 21.

  In the first embodiment, a hydraulic jack having a wedge-shaped tip is inserted between a pair of counterweights 3 and the hydraulic jacks are driven to lift some counterweights 3. Although the above process has been described, the present invention is not limited to this. For example, by attaching an anchor bolt to each of the pair of counterweights 3 and using a hydraulic jack to spread between the anchor bolts, a part of the balance The weight 3 may be lifted, or a part of the counterweight 3 may be lifted by lowering the counterweight frame 2 with the part of the counterweight 3 and the guide rail 1 fixed. Good.

  Moreover, in the said Embodiment 1, although the structure of the mounting base 4 in which the through-hole 41 was formed was demonstrated, even if it is the mounting base 4 divided | segmented into the two mounting base pieces 42 as shown in FIG. Good. A groove 43 is formed in each mounting base piece 42, and through holes 41 into which through bolts 51 are inserted are formed in the mounting base 4 by overlapping the respective mounting base pieces 42. Moreover, as shown in FIG. 7, the mounting base 4 in which the groove | channel 43 was formed in the side surface may be sufficient. In these cases, the mounting base installation step can be performed after the vertical frame connecting member mounting step.

  In the first embodiment, the configuration of the vertical frame connecting member 5 having the through bolt 51 and the nuts 52 attached to both ends of the through bolt 51 has been described. As shown in FIG. A pair of connecting bolts (mounting members) 53 attached to the vertical frame 21 (FIG. 3), and connecting members for connecting bolts (mounting members) that are detachably provided on the connecting bolts 53 and connect the connecting bolts 53. The connecting member 5 for vertical frames having a connecting member 54) and a nut 52 (FIG. 3) attached to the connecting bolt 53 may be used. The connecting member 54 for connecting bolts includes, for example, a wire 541 provided over each connecting bolt 53 and a bind 542 that maintains a state where both ends of the wire 541 are bent. The connecting bolt 53 has a wire insertion hole 531 into which the wire 541 is inserted. In this case, the connecting bolt 53 can be attached to the vertical frame 21 from the inner side in the width direction. As a result, even when the space on the outer side in the width direction of the vertical frame 21 is small, the elevator balancing weight frame connecting member can be easily attached to the elevator balancing weight device.

  1 guide rail, 2 counterweight frame, 3 counterweight, 4 mounting base, 5 vertical frame connecting member, 21 vertical frame, 22 upper frame, 23 lower frame, 41 through hole, 42 mounting base piece, 43 groove, 51 through bolt, 52 nut, 53 connecting bolt (mounting member), 54 connecting bolt connecting member (mounting member connecting member), 511 thread groove, 531 wire insertion hole, 541 wire, 542 bind.

Claims (5)

A mounting base provided between a pair of adjacent counterweights among a plurality of counterweights arranged in the height direction;
An elevator counterweight frame connection member, comprising: a pair of vertical frame connection members provided over a pair of vertical frames and passing between the pair of counterweights provided with the mounting base.   The connecting member for an elevator counterweight frame according to claim 1, wherein a dimension of the mounting base in the depth direction of the counterweight is equal to or less than a dimension of the counterweight in the depth direction.   The vertical frame connecting members include a pair of mounting members attached to the vertical frames, and attachment member connecting members that are detachably provided on the mounting members and connect the mounting members. The elevator balancing weight frame connecting member according to claim 1 or 2, wherein the elevator balancing weight frame connecting member is provided.   The elevator counterweight frame according to any one of claims 1 to 3, wherein a groove into which the vertical frame connecting member can be inserted is formed on a side surface of the mounting base. Connecting member. A mounting base provided between a pair of adjacent counterweights among a plurality of counterweights arranged in the height direction, and a pair provided over a pair of vertical frames and provided with the mounting base An elevator balancing weight frame connecting member for attaching an elevator balancing weight frame connecting member having a vertical frame connecting member passing between the counterweights to an elevator balancing weight device,
A lifting step of lifting a part of the counterweights among the plurality of counterweights arranged in the height direction;
A mounting base installation step for installing the mounting base between a pair of counterweights in which a gap is formed by the lifting step;
A vertical frame connecting member mounting step for mounting the vertical frame connecting member across the pair of vertical frames so as to pass between the pair of counterweights in which a gap is formed by the lifting step. The attachment method of the connection member for elevator balance weight frames characterized by these.

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