JP5280300B2 - Double deck elevator - Google Patents

Abstract

The invention provides a double-deck elevator, where no interference appears between a suspension cable for adjusting the car position and a guide rail and the gravity center of an elevator car can be supported. The double-deck elevator comprises an upper car, upper car pulleys, a lower car, lower car pulleys and a suspension cable for adjusting the car position, wherein the upper car is disposed at the inner side of a main frame and is capable of moving in the up-down direction along a pair of upper car guide rails, the upper car pulleys are arranged below the upper car, the lower car is disposed at the inner side of the main frame and below the upper car and is capable of moving in the up-down direction along a pair of lower car guide rails, the lower car pulleys are arranged below the lower car, and the suspension cable suspends the upper car and the lower car on the main frame. In the double-deck elevator, the pairing upper and lower car pulleys in opposite arrangement are obliquely mounted in a manner to intersect with guide rail cores and are such arranged that the track of the suspension cable which is used for adjusting the car position and winds on the upper car pulleys intersects with the track of the suspension cable which is used for adjusting the car position and winds on the lower car pulleys.

Description

  The present invention relates to a double deck elevator having two upper and lower cars in a main frame.

  Conventionally, in a double deck elevator that can move two upper and lower cars in the main frame, the car position adjustment drive is performed by moving the upper car and the lower car up and down at the upper part of the upper car. An apparatus is installed, and a car position adjusting rope is wound around pulleys provided under the car position adjusting drive device, the upper car, and the lower car (see, for example, Patent Document 1).

JP2007-331871 (paragraph numbers 0008 to 0015, FIG. 1)

  However, in the conventional double deck elevator described above, there is no explanation of the hanging position of the upper car and the lower car by the car position adjusting rope, and how to perform the roping without interfering with the guide rail that guides the upper car and the lower car. There was no particular mention of.

  The present invention has been made from the above-described prior art, and an object of the present invention is to provide a double deck elevator in which the car position adjusting rope does not interfere with the guide rail and can support the center of gravity of the car. There is.

To achieve the above object, the present onset Ming, a main frame for lifting the hoistway, the main frame is positioned inside of the upper car vertically movable along the car guide rails or on the pair, the Two upper car pulleys attached to the lower part of the upper car, a lower car that is arranged inside the main frame and below the upper car, and that can move up and down along a pair of lower car guide rails. Two lower car pulleys attached to the lower part, a car mounted on the upper part of the main frame, and having a car position adjusting drive sheave, and the distance between the two is changed by moving the upper car and the lower car up and down. A position adjustment drive device, and a car position adjustment rope that is wound around the car position adjustment drive sheave, the upper car pulley, and the lower car pulley and suspends the upper car and the lower car from the main frame. Double with In the elevator elevator, each of the upper car pulley and the lower car pulley facing each other as a pair is attached obliquely so as to intersect the rail core, and the car wound around the upper car pulley The trajectory of the position adjustment rope and the trajectory of the car position adjustment rope wound around the lower car pulley are arranged so as to intersect with each other , and a pair of upper car shock absorbers are wound around the upper car pulley. And the lower car shock absorber to be paired is arranged so as to intersect the trajectory of the car position adjusting rope wound around the lower car pulley. It is characterized by being.

In thus constituted present onset bright, by mounting on squirrel pulley facing each other in pairs, and each of the lower car pulleys, obliquely so as to intersect the rail core, the upper car guide rails and the lower car The car positioning rope can be roped without interfering with the guide rail, and the car positioning rope can support the center of gravity of the car. Also, since the trajectory of the car position adjustment rope wound around the upper car pulley and the trajectory of the car position adjustment rope wound around the lower car pulley intersect, the upper car roping and the lower car Ropings do not interfere with each other. In addition, a pair of upper car shock absorbers are arranged at a position that intersects the trajectory of the car position adjusting rope wound around the upper car pulley, and a pair of lower car shock absorbers are wound around the lower car pulley. By arranging so as to intersect with the trajectory of the car position adjusting rope, the shock absorber can be structured not to interfere with the car pulley.

  According to the present invention, the car position adjusting rope can be roped without interfering with the guide rail. In addition, the car position adjusting rope can support the center of gravity of the car, thereby reducing the load on the car and reducing the vibration during traveling, thereby making the elevator comfortable.

It is a schematic block diagram of the double deck elevator to which this invention is applied. 1 is a top view of an upper car showing a first embodiment of a double deck elevator according to the present invention. 1 is a top view of a lower car showing a first embodiment of a double deck elevator according to the present invention. It is a top view of the upper car which shows the 2nd Example of the double deck elevator which concerns on this invention. It is a top view of the lower car which shows the 2nd Example of the double deck elevator which concerns on this invention.

  Embodiments of a double deck elevator according to the present invention will be described below with reference to the drawings.

  As shown in FIG. 1, the double deck elevator includes a main frame 1 that moves up and down in a hoistway, and an upper car 3 that is disposed inside the main frame 1 and that can move up and down along a pair of upper car guide rails 2. And two upper car pulleys 4 a and 4 b attached to the lower part of the upper car 3, and arranged below the upper car 3 inside the main frame 1, and can be moved up and down along a pair of lower car guide rails 5. A lower car 6, two lower car pulleys 7 a and 7 b attached to the lower part of the lower car 6, an upper car 3 and a lower car mounted on the upper part of the main frame 1 and having a car position adjusting drive sheave 8 a The car position adjustment drive device 8 that changes the distance between the two by moving the car 6 up and down, the car position adjustment drive sheave 8a, the upper car pulleys 4a and 4b, and the lower car pulleys 6a and 6b are wound around the upper car 3 And lower cage 6 to main frame 1 Te suspended or your position and an adjustment rope 9. One end of the car position adjusting rope 9 is fixed to the upper beam 1 f via the elastic body 14, and the other end is fixed to the intermediate beam 1 d via the elastic body 15.

  The main frame 1 is formed of a pair of vertical frames 1a and 1b, an upper beam 1c, an intermediate beam 1d, a lower beam 1e, and an upper beam 1f on which the car position adjustment driving device 8 is placed. Further, the upper car 3 suspended by the car position adjusting rope 9 is disposed between the upper beam 1f and the intermediate beam 1d, and the car position adjusting rope 9 is provided between the intermediate beam 1d and the lower beam 1e. A suspended lower basket 6 is arranged. Further, an upper car shock absorber 10 is provided on the intermediate beam 1d, and a lower car shock absorber 11 is provided on the lower beam 1e. Furthermore, guide shoes 13 are attached to the four corners of the main frame 1 so as to be in sliding contact with the guide rails 12 erected on the hoistway. The main frame 1 suspended from the hoistway via the main rope 14 moves up and down along the guide rail 12.

  Each of the upper car pulleys 4a and 4b and the lower car pulleys 7a and 7b facing each other as a pair is attached obliquely so as to intersect the rail core as shown in FIGS. 2 and 3, and the upper car pulley The trajectory 9a of the car position adjustment rope 9 wound around the pulleys 4a and 4b and the trajectory 9b of the car position adjustment rope 9 wound around the lower car pulleys 7a and 7b are arranged to intersect each other. That is, in the figure, when the lower side is the front side, as shown in FIG. 2, the upper car pulley 4a is behind the upper car guide rail 2, and the upper car pulley 4b is before the upper car guide rail 2, as shown in FIG. The lower car pulley 7 a is disposed in front of the lower car guide rail 5, and the lower car pulley 7 b is disposed in the back of the lower car guide rail 5.

  As shown in FIG. 2, two upper car shock absorbers 10 are provided so as to form a pair, and are arranged at positions intersecting with the locus 9a of the car position adjusting rope 9 wound around the upper car pulleys 4a and 4b. Has been. Further, two lower car shock absorbers 11 are provided so as to form a pair, and are arranged so as to intersect with the locus 9b of the car position adjusting rope 9 wound around the lower car pulleys 7a and 7b.

  In the first embodiment, the upper car pulleys 4a and 4b and the lower car pulleys 7a and 7b, which face each other in pairs, are attached obliquely so as to intersect with the rail core, whereby the upper car pulley The car position adjusting rope 9 that does not interfere with the guide rail 2 and the lower car guide rail 5 can be roped, and the car position adjusting rope 9 can support the center of gravity of the car. Also, the locus 9a of the car position adjusting rope 9 wound around the upper car pulleys 4a and 4b and the locus 9b of the car position adjusting rope 9 wound around the lower car pulleys 7a and 7b should intersect. Therefore, the roping of the upper car 3 and the roping of the lower car 6 do not interfere with each other.

  According to the first embodiment, the car position adjusting rope 9 that does not interfere with the upper car guide rail 2 and the lower car guide rail 5 can be roped. In addition, the car position adjusting rope 9 can support the center of gravity of the upper car 3 and the lower car 6, thereby reducing the unbalanced load of the upper car 3 and the lower car 6, and reducing the vibration during traveling. It can be a good elevator.

  Here, a second embodiment according to the present invention will be described with reference to FIGS. In addition, the same code | symbol is attached | subjected to the thing equivalent to what was mentioned above.

  In the second embodiment, the arrangement of the upper car pulleys 4a and 4b and the lower car pulleys 7a and 7b is a combination opposite to that shown in the first embodiment. That is, when the lower side is the front side in the figure, as shown in FIG. 4, the upper car pulley 4a is in front of the upper car guide rail 2, the upper car pulley 4b is in the back of the upper car guide rail 2, as shown in FIG. The lower car pulley 7 a is disposed behind the lower car guide rail 5, and the lower car pulley 7 b is disposed in front of the lower car guide rail 5.

  According to the second embodiment, the same effect as described above can be obtained.

DESCRIPTION OF SYMBOLS 1 Main frame 2 Upper car guide rail 3 Upper car 4a, 4b Upper car 5 Lower car guide rail 6 Lower car 7a, 7b Lower car pulley 8 Car position adjustment drive 8a Car position adjustment drive sheave 9 Car position adjustment rope 10 Upper car Shock absorber 11 Lower cage shock absorber 12 Guide rail 13 Guide shoe 14 Main rope

Claims (1)

A main frame that moves up and down in the hoistway; an upper cage that is arranged inside the main frame and that can move up and down along a pair of upper car guide rails; and two upper car pulleys that are attached to the lower part of the upper car A lower car disposed inside the main frame and below the upper car and movable up and down along a pair of lower car guide rails, two lower car pulleys attached to the lower part of the lower car, and the main car A car position adjusting drive sheave mounted on the top of the frame and having a car position adjusting drive sheave, and changing the distance between the upper car and the lower car by moving up and down; and the car position adjusting drive sheave, In a double deck elevator provided with a car position adjusting rope that is wound around the upper car pulley and the lower car pulley and suspends the upper car and the lower car from the main frame,
Each of the upper car pulley and the lower car pulley facing each other as a pair is obliquely attached so as to intersect the rail core, and the locus of the car position adjusting rope wound around the upper car pulley And the car position adjusting rope wound around the lower car pulley , and the upper car shock absorber is paired with the car position wound around the upper car pulley. The lower car shock absorber that is arranged at a position that intersects the trajectory of the adjustment rope is arranged to intersect the trajectory of the car position adjustment rope that is wound around the lower car pulley. Double deck elevator.

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