JP7435666B1 - Elevator maintenance jig and elevator maintenance method using the maintenance jig - Google Patents

Abstract

An object of the present invention is to provide an elevator maintenance jig that allows an operator to perform elevator maintenance work efficiently. [Solution] The elevator maintenance jig is an elevator maintenance jig for operating and maintaining equipment provided in a box of an elevator hall operation device buried in the wall of a building. a first engaging part capable of engaging with the engaged part provided in the first engaging part; a flat body part extending to the side opposite to the side of the first engaging part that engages with the engaged part; The main body has a second engaging part on one surface that can be engaged with an insertion part provided at the upper end of the back surface of the cover of the elevator hall operation device, and the main body allows the cover to be attached to a wall of a building or a three-sided frame of the elevator hall. separate from [Selection diagram] Figure 2

Description

The present application relates to a jig used for elevator maintenance work.

Conventionally, for example, in an elevator hall operating device, a cover provided with a button switch is removably attached to a box embedded in a hall wall. The box is formed into a box shape by a rectangular back plate, an upper plate and a lower plate erected from the upper and lower sides of the four sides of the back plate, and a pair of side plates erected from the side sides. A leaf spring is provided on the inner surface of the upper plate and the lower plate, respectively, and the tabs protruding from the upper and lower parts of the back of the cover are inserted between the leaf spring of the box and the upper plate or the lower plate, and the plate spring The structure was such that the cover was supported by the pressing force of.

Incidentally, in elevator maintenance work, there are cases where the maintenance work is performed by operating switches provided in a box of an elevator hall operating device. In such a case, the cover must be removed to work inside the box, but it is necessary to hold the cover with one hand and operate and work with the other hand.

Japanese Patent Application Publication No. 11-301935

Therefore, an object of the present invention is to provide an elevator maintenance jig that allows an operator to perform elevator maintenance work efficiently.

Elevator maintenance jigs are tools for elevator maintenance that are carried by workers to operate and maintain the equipment installed in the box of the elevator hall operation device buried in the wall of the building or in the three-sided frame of the elevator hall. The jig includes a first engaging part that can be engaged with the engaged part provided on the box, and a jig that extends to a side opposite to a side of the first engaging part that engages with the engaged part. The main body has a flat plate-like main body provided thereon, and the main body has a second engaging part on one surface that can be engaged with an insertion part provided at the upper end of the back surface of the cover of the elevator hall operating device, and the main body has to separate the cover from the wall surface.

Further, in the elevator maintenance jig, the main body portion may be bent and extended toward the one surface with respect to the first engaging portion.

Further, in the elevator maintenance jig, the first engaging portion may include a second guided portion guided to a first guiding portion provided in the box.

Further, in the elevator maintenance jig, the first engaging part may have a convex shape with cutouts on the left and right sides of the part that engages with the engaged part with respect to the engagement direction. .

Furthermore, the elevator maintenance method may be configured to use the elevator maintenance jig.

It is a diagram showing an elevator landing. FIG. 2 is a diagram illustrating a maintenance method using an elevator maintenance jig according to the present invention. FIG. 3(a) is a front view of the elevator maintenance jig according to the present invention, and FIG. 3(b) is a right side view of the elevator maintenance jig according to the present invention.

An embodiment of an elevator maintenance jig will be described below with reference to FIGS. 1 to 3. Note that in each figure, the dimensional ratio in the drawing and the actual dimensional ratio do not necessarily match, and the dimensional ratio between the drawings also does not necessarily match.

First, prior to explaining each structure of the elevator maintenance jig according to the present embodiment, the elevator landing will be explained.

As shown in FIG. 1, in an elevator landing, for example, a doorway 104 is surrounded by a three-sided landing frame 101, and a pair of landing doors 102 open and close the doorway 104. An elevator hall operation device 100 is installed on a wall surface 103 of a building adjacent to a three-sided hall frame 101. Note that FIG. 1 shows, as an example, an elevator landing on the lowest floor. Further, in FIG. 1, the elevator hall operation device 100 is installed on the wall surface 103 of the building, but it may be installed on the front mitsuke part of the three-sided hall frame.

In the elevator hall operation device 100, a box 2 shown in FIG. 2 is embedded in a building wall 103 or a three-sided hall frame 101, and the opening of the box 2 is closed by a cover 1 that constitutes a design surface of the elevator hall operation device 100. ing.

On the surface 1a of the cover 1 on the landing side, there are provided a display section 4 and a button switch 3 for displaying a traveling direction display indicating the traveling direction of the elevator car, a car position display indicating the current car position, and the like. Further, on the back surface 1b of the cover 1 opposite to the front surface 1a, electronic components such as the display section 4 and the button switch 3 are provided so as to protrude from the back surface 1b of the cover 1.

In addition, on the back surface 1b, insertion portions 7 for engaging with the box 2 are provided near the upper and lower ends of the cover 1 so as to protrude toward the back surface (in FIG. 2, only the upper insertion portion 7 is shown). ing). The insertion portion 7 includes a slit-shaped first guided portion 7a with an open end.

The box 2 has a box shape that opens toward the landing side and is longitudinal in the vertical direction, and engaged portions 8 are provided inside the upper plate 2a and the lower plate 2b (in FIG. 2, the lower Only the engaged portion 8 on the inside of the plate 2b is shown).

The engaged portion 8 is composed of a leaf spring, and is provided along the inside of the lower plate 2b, and is fixed to the back plate 2c side by a fastening member (not shown) such as a screw. Further, the engaged portion 8 has a substantially rectangular shape when viewed in the vertical direction, and is curved toward the opening of the box 2 when viewed from the side and away from the inner side of the lower plate 2b. Further, a first guiding portion 9 for guiding the insertion portion 7 is provided inside the lower plate 2b on the landing side of the engaged portion 8.

The first guide portion 9 has a cylindrical pin shape, and is erected from inside the lower plate 2b in a direction perpendicular to the lower plate 2b. In the present embodiment, the first guide portion 9 includes, for example, a female threaded screw hole in the bottom surface of a metal cylinder, and is fixed to the inside of the lower plate 2b with a screw. The first guiding part 9 may be a stud bolt or a bolt screwed into an internally threaded screw hole provided in the lower plate 2b, as long as it can guide the insertion part 7. good. Note that the engaged portion 8 and the first guide portion 9 inside the upper plate 2a have the same configuration as the engaged portion 8 and the first guide portion 9 inside the lower plate 2b, so a description thereof will be omitted.

The box 2 is provided with a cable 5 extending from a box-shaped back plate 2c toward the elevator hoistway, and is connected to a control panel (not shown) for controlling the elevator. Further, the cable 5 and the electronic components on the back surface 1b of the cover 1 are connected by a wire harness 6.

During normal elevator use, the insertion part 7 at the upper end of the back surface 1b of the cover 1 is inserted into the engaged part 8 provided on the inner side 2a of the upper plate of the box 2, and the insertion part 7 at the lower end of the back surface 1b of the cover 1 is inserted into the engaged portion 8 provided on the inner side 2b of the lower plate of the box 2, and the insertion portion 7 receives the elastic force of the engaged portion 8, thereby fixing the cover 1.

Next, the elevator maintenance jig 10 used for maintenance will be described. The elevator maintenance jig 10 includes a flat (rectangular) main body portion 10a and a first engaging portion 10b extending from one end of the main body portion 10a. The first engaging portion 10b is cut out at both ends in a direction perpendicular to the extending direction, and has a convex shape. The first engaging portion 10b also includes a second guided portion 10c in the form of a slit with an open end.

The first engaging portion 10b extends from the main body portion 10a, but in this embodiment, the first engaging portion 10b extends obliquely toward one surface of the main body portion 10a. . Note that the inclination angle is preferably 45° or less, more preferably 15° or less.

A second engaging portion 10e is fixed to one surface of the main body portion 10a by a fastening member 10f. The fastening material 10f is, for example, a set of screws and nuts, and in this embodiment, two sets of screws and nuts fix the second engaging portion 10e on the first engaging portion 10b side.

The second engaging portion 10e has a substantially rectangular shape when viewed from a direction perpendicular to one surface, and is curved in a direction opposite to the first engaging portion 10b and away from the one surface in a side view. It is made up of shapes. Further, a second guiding portion 10d for guiding the insertion portion 7 is provided on the opposite side of the second engaging portion 10e to the first engaging portion 10b.

The second guiding portion 10d has a cylindrical pin shape, and is erected in a direction perpendicular to one surface. In the present embodiment, the second guide portion 10d has, for example, a female threaded screw hole in the bottom surface of a metal cylinder, and is fixed to the main body portion 10a with a screw. The second guide portion 10d may be a stud bolt or a bolt screwed into a female threaded hole provided in the main body portion 10a, as long as it can guide the insertion portion 7. good.

Next, an elevator maintenance method using the elevator maintenance jig 10 will be described.

(1) A worker who maintains the elevator first pulls out the cover 1 of the elevator hall operating device 100 from the box 2 against the elastic force of the engaged portion 8 .

(2) Next, the worker moves the first engaging part 10b of the elevator maintenance jig 10 to the engaged part 8 of the box 2 so that the second guided part 10c is guided to the first guiding part 9. Insert into.

(3) Next, the worker inserts the insertion portion 7 provided at the upper end of the back surface 1b of the cover 1 into the second engaging portion 10e of the elevator maintenance jig 10 so that the first guided portion 7a is connected to the second guided portion 10d. Insert as directed.

(4) After that, operate the switches (equipment) inside the box 2 and perform maintenance work.

After the maintenance work is completed, remove the cover 1 from the elevator maintenance jig 10 by reversing steps (1) to (3), then remove the elevator maintenance jig from the box 2, and then remove the cover 1 from the box 2. The cover 1 is fixed to the box 2 by inserting the insertion part 7 into the engaged part 8 of the box 2.

As described above, as in this embodiment, elevator maintenance is performed to operate and maintain the equipment provided in the box 2 of the elevator hall operating device 100 buried in the building wall 103 or the elevator hall three-sided frame 101. The jig 10 includes a first engaging part 10b that can engage with the engaged part 8 provided on the box 2, and a first engaging part 10b that engages with the engaged part 8. The main body part 10a has a flat plate shape and extends to the opposite side to the side where the main body part 10a is attached. It is preferable to have a second engaging portion 10e, and to separate the cover 1 from the wall surface 103 of the building or the three-sided frame 101 of the elevator hall by the main body portion 10a.

According to this configuration, while the worker is performing maintenance work, the cover 1 is lifted from the wall surface 103 or the three-sided elevator landing frame 101 using the elevator maintenance jig 10 while the elevator hall operation device 100 is energized. It can be kept in the same condition. As a result, the worker can use both hands to operate switches and the like (devices) inside the box 2 to perform maintenance work. In addition, at this time, the electronic components such as the display section 4 and the button switch 3 provided protruding from the back surface of the cover 1 do not come into contact with the wall surface 103 of the building or the three-sided frame 101 of the elevator landing, so that the wall surface 103 of the building Alternatively, it is possible to prevent damage to the three-sided elevator hall frame 101 and to prevent damage to electronic components. Furthermore, since the button switches 3 and the like on the cover 1 are connected to a control panel (not shown) by a wire harness 6, even if maintenance work is being performed by workers, the work can be temporarily interrupted and the elevator is not available to users. can be used.

Further, as in the present embodiment, it is preferable that the main body portion 10a be bent and extended toward the one surface side with respect to the first engaging portion 10b.

According to such a configuration, the main body portion 10a is bent upward when the elevator maintenance jig 10 is used, so that the cover 1 can be bent away from the wall surface 103 of the building or the three-sided elevator landing frame 101. Tilt away. As a result, even if the main body portion 10a is made compact, the cover 1 can be held suspended from the wall surface 103. Further, during maintenance work, the cover 1 is installed downward by the vertical length of the cover 1 by the elevator maintenance jig 10, but by engaging with the bent main body part 10a, Since the cover 1 faces upward, a user using the elevator can easily operate the button switch 3 provided on the cover 1 during maintenance work.

Further, as in the present embodiment, it is preferable that the first engaging portion 10b includes a second guided portion 10c guided by the first guiding portion 9 provided in the box 2.

According to such a configuration, since the second guided portion 10c is guided by the first guiding portion 9, the first engaging portion 10b can be reliably engaged with the engaged portion 8. Moreover, it is possible to reduce the possibility that the first engaging part 10b is shifted in the left-right direction, the engagement between the first engaging part 10b and the engaged part 8 is released, and the cover 1 falls off.

Further, as in the present embodiment, it is preferable that the first engaging portion 10b has a convex shape in which the portion that engages with the engaged portion 8 is cut out on the left and right sides with respect to the engagement direction. .

According to such a configuration, even if there are protrusions on the lower plate 2b of the box 2 on the left and right sides of the engaged portion 8 in the width direction of the box 2, the first engaging portion 10b will not interfere with the protrusions and the first engaging portion 10b will not interfere with the protrusions. The engaging portion 10b can be inserted into the engaged portion 8.

Further, as in this embodiment, a configuration of an elevator maintenance method using the above-mentioned elevator maintenance jig 10 is preferable.

According to such a configuration, while a worker is performing maintenance work, the cover 1 can be held in a state floating from the wall surface 103 while the elevator hall operation device 100 is energized by the elevator maintenance jig 10. . As a result, the worker can use both hands to operate switches and the like (devices) inside the box 2 to perform maintenance work. In addition, at this time, the electronic components such as the display section 4 and the button switch 3 provided protruding from the back surface of the cover 1 do not come into contact with the wall surface 103 of the building or the three-sided frame 101 of the elevator landing, so that the wall surface 103 of the building Alternatively, it is possible to prevent damage to the three-sided elevator hall frame 101 and to prevent damage to electronic components.

Note that the elevator maintenance jig 10 is not limited to the configuration of the embodiment described above, nor is it limited to the effects described above. Moreover, it goes without saying that the elevator maintenance jig 10 may be modified in various ways without departing from the gist of the present invention. For example, it goes without saying that one or more of the configurations, methods, etc. according to the various modification examples described below may be arbitrarily selected and adopted as the configurations, methods, etc. according to the above-described embodiments.

(1) In the elevator maintenance jig 10 according to the above embodiment, the main body portion 10a is configured to be bent and extended toward one surface side with respect to the first engaging portion 10b. However, the elevator maintenance jig 10 is not limited to such a configuration. For example, the main body portion 10a may be configured to extend linearly with respect to the first engaging portion 10b.

Specifically, for example, the main body portion 10a and the first engaging portion 10b may be configured on the same plane. In other words, the main body portion 10a and the first engaging portion 10b may be configured as a single flat plate. Even with such a configuration, if the main body portion 10a is large enough to separate the cover 1 from the wall surface 103 of the building or the three-sided elevator landing frame 101, the same effects as in the above embodiment can be obtained. be able to.

(2) Furthermore, in the elevator maintenance jig 10 according to the above embodiment, the first engaging portion 10b engages the second guided portion 10c that is guided to the first guiding portion 9 provided in the box 2. The structure is to prepare. However, the elevator maintenance jig 10 is not limited to such a configuration. For example, the first engaging portion 10b may not include the second guided portion 10c. Even with such a configuration, effects similar to those of the above embodiment can be obtained. Note that in this case, the first guide portion 9 is not provided in the box 2.

(3) Furthermore, in the elevator maintenance jig 10 according to the above embodiment, the first engaging portion 10b is cut out on the left and right sides with respect to the engagement direction of the portion that engages with the engaged portion 8, and has a convex shape. It has a character-like structure. However, the elevator maintenance jig 10 is not limited to such a configuration. For example, the first engaging portion 10b may have a rectangular shape without having cutouts on the left and right sides of the portion that engages with the engaged portion 8 with respect to the engagement direction. Even with such a configuration, if there is no protrusion on the left and right sides of the box 2 width direction of the engaged portion 8 of the lower plate 2b of the box 2, the same effects as in the above embodiment can be obtained.

(4) Furthermore, in the elevator maintenance method according to the above embodiment, the order of each procedure may be changed. The same effect can be obtained even if the order of each procedure is changed.

DESCRIPTION OF SYMBOLS 1...Cover, 2...Box, 3...Button switch, 4...Display part, 5...Cable, 6...Wire harness, 7...Insertion part, 8...Engaged part, 9...First guide part, 10...Elevator Maintenance jig, 10a... Main body part, 10b... First engaging part, 10c... Second guided part, 10d... Second guiding part, 10e... Second engaging part, 10f... Fastening material, 100... Elevator landing Operating device, 101... Elevator landing three-sided frame, 102... Landing door, 103... Building wall, 104... Entrance/exit

Claims (6)

An elevator maintenance jig carried by a worker for operating and maintaining equipment installed in a box of an elevator hall operating device buried in a wall of a building or a three-sided elevator landing frame,
a first engaging portion that can engage with an engaged portion provided on the box;
a flat main body portion extending to a side opposite to a side of the first engaging portion that engages with the engaged portion;
The main body part has a second engaging part on one surface that can be engaged with an insertion part provided at the upper end of the back surface of the cover of the elevator hall operating device,
separating the cover from a wall of the building or a three-sided frame of the elevator landing by the main body;
Elevator maintenance jig. When the first engaging portion is engaged with the engaged portion, a button switch of the elevator hall operating device is directed toward the hall side;
An elevator maintenance jig according to claim 1.. The elevator maintenance jig according to claim 1 or 2 , wherein the main body portion is bent and extended toward the one surface with respect to the first engaging portion. The elevator maintenance jig according to claim 1 or 2, wherein the first engaging part includes a second guided part guided by a first guiding part provided in the box. 3. The elevator maintenance jig according to claim 1, wherein the first engaging part has a convex shape with cutouts on the left and right sides with respect to the engaging direction of the part that engages with the engaged part. An elevator maintenance method using the elevator maintenance jig according to claim 1 or 2.

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