JP2017197355A - Elevator and method for measuring traveling margin of elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an elevator which has proper measurement workability and which enables simple performance of more accurate measurement of a traveling margin.SOLUTION: A hole 17 is formed in a floor 13 of an elevator car 3. The floor has a cover 19 for opening/closing the hole. A holder 23 extended downward is supported on an undersurface of the floor. The holder is positioned between a pair of emergency stop support members 7. A plate 37 is supported at an upper end of an elevator car side buffer 5. The holder is in a position deviating from vertically and directly above the elevator car side buffer. A part of the plate is positioned vertically and directly beneath the holder.SELECTED DRAWING: Figure 2

Description

  The present invention relates to an elevator and an elevator run-by measurement method.

  The elevator includes a hoistway that extends vertically and a car that is movably provided in the hoistway. Conventionally, there is a method disclosed in Patent Document 1 as a method for measuring the run-by of a car.

  In this method, a run-by measuring device is arranged on the threshold of the landing, the distance from the run-by measuring device to the shock absorber receiver of the car is measured, the distance to the shock absorber is then measured, and the run-by measuring device is further measured. The angle between the shock absorber receiver and the shock absorber of the car centered on was measured, and the runby was calculated from the measurement results. For this reason, considering the work amount from installation of the run-by measurement device to an appropriate position to obtaining a plurality of measurement values, it is more preferable if a measurement method with better workability can be realized.

  On the other hand, as a conventional method for obtaining a car run-by without measuring an angle, there are the following modes. As shown in FIG. 13, two measurers make a pair, the first measurer 81 gets into the car, and the second measurer 83 enters the pit. Then, the first measurer 81 takes out the steel rule 85 from the end of the car to the landing side, and measures the distance A between the landing and the steel ruler with the measure 87. The second measurer 83 measures the distance B between the upper end of the car shock absorber and the shock absorber receiver with the measure 89.

  And the value which deducted distance A from distance B is calculated | required as runby when a cage | basket | car stops on the lowest floor.

JP 2001-1311 A

  However, in the method shown in FIG. 13 described above, at least two measurers are required for the measurement, and it is necessary to raise and lower the car to a position suitable for the measurement, that is, the workability is not good. There wasn't.

  The present invention has been made in view of the above, and provides an elevator and an elevator run-by measurement method that has good measurement workability and can perform simple and more accurate run-by measurement. With the goal.

In order to achieve the above-described object, an elevator according to the present invention includes a car-side shock absorber arranged in a hoistway pit, a car-side shock absorber arranged in a hoistway, and a pair of cars arranged below the car floor. An emergency stop support member and a shock absorber support supported by the pair of emergency stop support members, and a hole is formed in the floor of the cage, and the floor of the cage is a lid that opens and closes the hole. A downwardly extending holder is supported on the lower surface of the floor of the car, and the holder is positioned between the pair of emergency stop support members, A plate is supported at the upper end, and the holder is in a position deviated from directly above the car-side shock absorber in a vertical direction, and a part of the plate is located directly below the holder in the vertical direction. .
Furthermore, the elevator run-by measurement method of the present invention for achieving the same object includes a car-side shock absorber disposed in a hoistway pit, a car-side shock absorber disposed in the hoistway, and a floor of the car. An elevator run-by measurement method comprising a pair of arranged emergency stop support members and a shock absorber receiver supported by the pair of emergency stop support materials, wherein a hole is formed in the floor of the car. And the floor of the car has a lid that opens and closes the hole, and a lower-side holder is supported on the lower surface of the floor of the car, and the holder includes the pair of emergency stop support members. A plate is supported on the upper end of the car-side shock absorber, and the holder is located at a position deviated from directly above the car-side shock absorber. Is located directly below the holder in the vertical direction, Stop the car at the landing on the lowest floor, open the lid and open the hole at the time of runby measurement, operate the laser measuring instrument supported by the holder through the hole from the floor of the car The laser measuring device emits a laser beam toward the plate, thereby obtaining a runby.

  According to the present invention, the measurement workability is good, and more accurate run-by measurement can be easily performed.

It is a figure which shows the elevator of embodiment of this invention seen from the side. It is the figure of the elevator seen from the arrow II of FIG. FIG. 3 is a plan view of the elevator car of FIG. 2. It is a perspective view of a cage side shock absorber. It is a top view of the part containing the hole and holder of a cage | basket | car floor. FIG. 6 is a view of a portion including a hole in a cage floor and a holder as seen from the side at the position of the VI-VI line in FIG. 5. It is the figure of the part containing the hole of the floor of a cage | basket | car and the holder seen from the side in the position of the VII-VII line of FIG. It is a figure which shows the part containing the floor of a cage | basket | car, a pair of emergency stop support material, and a holder seen from the front of the cage | basket | car. It is a figure which shows the part containing the floor of a cage | basket | car, a pair of emergency stop support material, and a holder seen from the side of the cage | basket | car. It is a figure which shows the state by which the laser measuring device was supported by the holder seen from upper direction. It is a figure which shows the state of FIG. 10 seen from the arrow XI of FIG. It is a figure which shows the state of FIG. 10 seen from the arrow XII of FIG. It is a figure which shows the one aspect | mode of the conventional runby measurement.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings, the same reference numerals indicate the same or corresponding parts.

Embodiment 1 FIG.
FIG. 1 is a diagram showing an elevator according to an embodiment of the present invention as viewed from the side. FIG. 2 is a diagram of the elevator as seen from the arrow II in FIG. FIG. 3 is a plan view of the elevator car of FIG. The elevator includes a hoistway 1 that is provided in a structure and extends vertically. The hoistway 1 extends across a plurality of floors of the structure.

  The elevator includes a car 3, a car-side shock absorber 5, a pair of emergency stop support members 7, and a shock absorber receiver 9.

  The cage | basket | car 3 is arrange | positioned in the hoistway 1 so that raising / lowering is possible. In addition, the structure regarding raising / lowering of the cage | basket | car 3 and a stop may be a well-known aspect. The car-side shock absorber 5 is disposed in the pit 11 at the lower part of the hoistway 1. A weight side shock absorber 13 is disposed in the pit 11.

  The pair of emergency stop supports 7 is disposed below the floor 13 of the car 3. FIG. 8 is a view showing a portion including the floor of the car, the pair of emergency stop supports, and the holder as seen from the front of the car. FIG. 9 is a view showing a portion including the floor of the car, the pair of emergency stop supports, and the holder as seen from the side of the car. As well shown in FIGS. 8 and 9, the floor 13 has a car floor plate 13 b on which the car floor surface (tile surface 13 a) is laid, and the pair of emergency stop supports 7 are It is supported below the car floor plate 13b by a suitable support material via the vibration isolating rubber 15.

  The shock absorber receiver 9 is attached to the lower surfaces of the pair of emergency stop supports 7. That is, the shock absorber receiver 9 is located so as to bridge the pair of emergency stop supports 7. Further, the shock absorber receiver 9 is disposed at a position through which the so-called car core C passes.

  Next, with reference to FIG. 5 to FIG. 7 and FIG. 10 to FIG. FIG. 5 is a plan view of a portion including a hole in the floor of the car and a holder. FIG. 6 is a view of a portion including a hole in the floor of the cage and a holder as seen from the side at the position of line VI-VI in FIG. 5. FIG. 7 is a view of a portion including a hole in the floor of the cage and a holder as seen from the side at the position of the line VII-VII in FIG. 5.

  As is well shown in FIGS. 3 to 9, holes 17 are formed in the floor 17 of the car 3, more specifically in the car floor plate 13 b. The hole 17 penetrates the car floor plate 13b. The hole 17 is formed in a rectangular shape in plan view.

  The floor 13 of the car 3 has a lid 19 that opens and closes the hole 17. The lid 19 is guided to open and close by a rail 21 attached so as to be suspended from the lower surface of the car floor 13b. The lid 19 is slidably installed in a direction parallel to the floor 13. The lid 19 has a handle 19a.

  A downwardly extending holder 23 is supported on the lower surface of the floor 13 of the car 3. Strictly speaking, the holder 23 is fixed to the lower surface of the car floor plate 13b by welding. In addition, the holder 23 is located between the pair of emergency stop supports 7 as shown particularly well in FIG. The holder 23 is made of a steel plate.

  The holder 23 has a substantially Z-shaped main body part 25 and a pair of support parts 27 positioned so as to sandwich the main body part from the left and right sides when viewed from the side. As shown in FIG. 12, the main body 25 includes a first portion 25a, a second portion 25b, and a third portion 25c. The first portion 25a extends vertically when viewed from the side. The second portion 25b extends along the lower surface of the car floor plate 13b from the upper end of the first portion 25a toward the car core C side. The holder 23 is fixed to the car floor 13b by welding in the second portion 25b. The third portion 25c extends from the lower end of the first portion 25a in a direction away from the car core C, that is, on the side opposite to the first portion 25a when viewed from the side. The upper surface of the third portion 25c serves as a mounting surface on which a laser measuring device to be described later is mounted, and the mounting surface extends in the horizontal direction.

  The first portion 25a and the second portion 25b have a rectangular shape when viewed from the normal direction of the respective surfaces. Further, when viewed from the side, the second portion 25b extends from the first portion 25a in a right angle direction, and the third portion 25c also extends from the first portion 25a in a right angle direction.

  A laser measuring device 29 is supported on the holder. More specifically, the laser measuring instrument 29 is placed on the placement surface of the third portion 25 c of the holder 23. On the mounting surface of the holder 23, a notch 31 for allowing the laser projected by the laser measuring device 29 to pass is formed. In the present embodiment, specifically, the third portion 25 c is separated into two portions, and a notch 31 is formed between these two portions. The zero point of the measurement distance of the laser measuring instrument 29 is located at the same level L as the lower end of the shock absorber receiver 9.

  The pair of support portions 27 extend so as to surround the third portion 25c in plan view, as well shown in FIG. More specifically, each of the pair of support portions 27 extends from the corresponding side portion of the first portion 25a so as to form an L shape. Further, as viewed from the side, the lower ends of the pair of support portions 27 are located at a distance from the third portion 25c.

  Next, the positional relationship between the hole 17 and the holder 23 will be described. As shown in FIGS. 5 and 7, the support area center SC of the holder 23 in a plan view is at a position deviated from the center AC of the hole 17. Further, the holder 23 has an opening portion 33 between the pair of support portions 27, and the operation portion 29 a of the laser measuring instrument 29 supported by the holder 23 is exposed from the opening portion 33. . The open portion 33 is located on the center AC side of the hole 17 in the holder 23 in plan view.

  Although not limited as the present invention, in the present embodiment, as shown in FIG. 3, the plan view, the direction of the rail 21, the opening / closing direction (sliding direction) of the lid 19, and the car door The car-side shock absorber 5, the holder 23, and the hole 17 are arranged in the opening / closing direction of 35.

  As shown in FIG. 4, a plate 37 is supported on the upper end of the car-side shock absorber 5. The plate 37 is an example, but is fixed to the upper end of the car-side shock absorber 5 by a wire 39. The holder 23 is at a position deviated from directly above the car-side shock absorber 5 in the vertical direction, and a part of the plate 37 is located directly below the holder 23 in the vertical direction. Therefore, as shown in FIG. 4, the laser beam LR is applied to a portion of the plate 37 that deviates from the upper side of the car-side buffer 5 in plan view.

  Next, an elevator run-by measurement method according to the present embodiment will be described. In the elevator according to the present embodiment described above, the car 3 is stopped at the landing 41 on the lowest floor. The measurer 43 turns the tile surface 13a, opens the lid 19, and opens the hole 17. Then, the same measurer 43 operates the laser measuring device 29 supported by the holder through the hole 17 from the floor 13 of the car 3 and irradiates the plate 37 with the laser from the laser measuring device 29. , Thereby getting the car side runby. Note that either the step of raising and lowering the car 3 to stop at the landing 41 on the lowest floor and the step of opening the hole 17 may be performed first. Further, the laser measuring device 29 may always be in a state of being accommodated in the holder 23 during normal operation of the elevator, or after the step of raising and lowering the car 3 to stop at the landing 41 on the lowest floor, or The laser measuring device 29 may be placed in the holder 23 after the step of opening the hole 17.

  According to the elevator and elevator run-by measurement method of the present embodiment described above, two measurers are not required for measurement, and it is not necessary to perform angle measurement to obtain run-by. Therefore, the measurement workability is good, and more accurate run-by measurement can be easily performed. Further, it is not necessary to raise or lower the car to a position suitable for measurement, and the measurement can be completed at the lowest floor position of the car in normal operation of the elevator. This also makes it easier for a single measurer to perform the measurement. In addition, there is an advantage that no person can enter the pit during measurement.

  Although not limited as the present invention, in the present embodiment, the zero point of the measurement distance of the laser measuring device is located at the same height as the lower end of the shock absorber receiver, so the measured value itself is The runby can be obtained without obtaining a process such as calculation from a plurality of measured values.

  Further, the holder has a mounting surface extending in the horizontal direction, and the laser measuring device is mounted on the mounting surface, so that the horizontal is ensured only by mounting, and the installation and installation of the laser measuring device is performed. The removal operation can be performed extremely simply by inserting and pulling up.

  Further, in plan view, the support area center of the holder is at a position deviated from the center of the hole, and the holder has an open portion on the center side of the hole, and laser measurement in a state supported by the holder. The operation part of the vessel is exposed from the open part. For this reason, the measurer can reach out his hand and easily operate the laser measuring instrument.

  It should be noted that the shock absorber receptacle in this embodiment is not provided with a hole or notch for allowing laser light to pass through. That is, in the present embodiment, it is not necessary to provide a hole or a notch for allowing the laser beam to pass through the shock absorber receiver, and the existing shock absorber receiver can be used as it is, which is preferable for safety considerations. .

  Although the contents of the present invention have been specifically described with reference to the preferred embodiments, various modifications can be made by those skilled in the art based on the basic technical idea and teachings of the present invention. It is self-explanatory.

  DESCRIPTION OF SYMBOLS 1 Hoistway, 3 cages, 5 cage side shock absorbers, 7 emergency stop support material, 9 shock absorber support, 11 pits, 13 floors, 17 holes, 19 lids, 23 holders, 27 support units, 29 laser measuring instruments, 33 open Part, 37 plates.

Claims (6)

The car placed in the hoistway,
A car-side shock absorber disposed in the pit of the hoistway;
A pair of emergency stop supports disposed below the floor of the car;
A shock absorber support supported by the pair of emergency stop supports,
A hole is formed in the floor of the car,
The floor of the car has a lid that opens and closes the hole,
A holder extending downward is supported on the lower surface of the floor of the car,
The holder is located between the pair of emergency stop supports;
A plate is supported on the upper end of the car-side shock absorber,
The holder is at a position deviated from directly above the car-side shock absorber in the vertical direction;
A part of the plate is located directly below the holder in the vertical direction.
elevator. A laser measuring device is supported on the holder,
The zero point of the measurement distance of the laser measuring device is located at the same height as the lower end of the shock absorber receiver,
The elevator according to claim 1. The holder has a mounting surface extending in the horizontal direction,
The laser measuring instrument is mounted on the mounting surface,
The elevator according to claim 2. In plan view, the support area center of the holder is at a position deviating from the center of the hole,
The holder has an open portion on a center side of the hole in a plan view,
The operation part of the laser measuring instrument supported by the holder is exposed from the opening part,
The elevator according to claim 2 or 3. The lid is slidably installed in a direction parallel to the floor,
The elevator according to any one of claims 1 to 4. The car placed in the hoistway,
A car-side shock absorber disposed in the pit of the hoistway;
A pair of emergency stop supports disposed below the floor of the car;
An elevator run-by measurement method comprising a shock absorber support supported by the pair of emergency stop supports,
A hole is formed in the floor of the car,
The floor of the car has a lid that opens and closes the hole,
A holder extending downward is supported on the lower surface of the floor of the car,
The holder is located between the pair of emergency stop supports;
A plate is supported on the upper end of the car-side shock absorber,
The holder is at a position deviated from directly above the car-side shock absorber in the vertical direction;
A portion of the plate is located directly below the holder in the vertical direction,
Stop the car at the landing on the lowest floor,
During runby measurement, open the lid and open the hole,
From the floor of the car, through the hole, operating the laser measuring instrument supported by the holder, irradiating the laser from the laser measuring instrument toward the plate,
By that, get a runby,
Elevator run-by measurement method.

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