JP6629379B2 - Elevator car ceiling, car ceiling installation jig, and car ceiling installation method - Google Patents

Description

  An embodiment of the present invention relates to an elevator car ceiling, a car ceiling installation jig, and a car ceiling installation method.

  The car ceiling of the elevator includes a ceiling plate fixed to a car room wall panel, and a ceiling case provided on a lower surface side of the ceiling plate and transmitting illumination light into the car room.

  Conventionally, when a ceiling case is renewed, as a method of vertically moving the ceiling case up and down, a method is employed in which a chain attached to the ceiling case is moved up and down by a winch provided at an upper end of the ceiling. Further, since the ceiling case is wider than the width of the entrance of the car, the ceiling case has a split and folded structure in order to carry the ceiling case into and out of the car.

JP-A-7-137961 JP 2009-155031 A

  However, as described above, the ceiling case can be moved up and down in the car room, or the ceiling case can be carried in and out of the car, when the guide roller for lifting and lowering the surface (design surface) of the ceiling case is used. It is necessary to provide a dividing line on the ceiling case so that it can be folded. For this reason, the design was lacking. Further, the conventional method relates to replacement of only the ceiling case, and when replacing a ceiling plate to be mounted on the ceiling case, it was necessary to remove the car wall panel once.

  In view of the above circumstances, the present invention is superior in design of the ceiling, the ceiling can be carried in and out of the car room without removing the car wall panel, and the elevator car ceiling and the car ceiling installation that can exchange the complete ceiling efficiently can be installed. It is an object of the present invention to provide a jig and a method of installing a car ceiling.

  An embodiment for achieving the above object has a ceiling plate fixed to a car wall panel constituting a wall of a car room, and the ceiling plate is a panel body and ceiling ends respectively attached to four sides of the panel body. And a ceiling end flange is rotatably attached to the panel body by a hinge, and when the ceiling plate is carried into or out of the cab, the ceiling end flange is provided. When the ceiling flanges are folded by rotating the unit flanges in the direction of the car floor and the ceiling plate carried into the car room is fixed to the car wall panel, the folded ceiling end flanges are rotated in the horizontal direction and the panel An elevator car ceiling characterized by being attached to a car wall panel flush with a main body.

Explanatory drawing which shows the whole structure of an elevator cab. Explanatory drawing which shows the structure of the car ceiling which consists of a ceiling board and a ceiling case. Explanatory drawing which shows the structure of a ceiling board. Explanatory drawing which shows the detail of the A section of the ceiling board shown in FIG. Explanatory drawing which shows the rotation operation of a car ceiling end flange. Explanatory drawing which shows the time of folding of a car ceiling end part flange. Explanatory drawing of a ceiling case. Explanatory drawing of a ceiling case receiver. FIG. 4 is an explanatory view showing a horizontal state of the rotating cart. Explanatory drawing which shows the time of rotation of a rotating cart. Explanatory drawing which shows the ceiling case receiver fastened to the rotating dolly. Explanatory drawing which shows the state of the car ceiling fastened to the rotating dolly. Explanatory drawing which shows the rotation state of the car ceiling fastened to the rotating cart. Explanatory drawing which shows the state of carrying in and out of the car room of a rotating cart. Explanatory drawing which shows the state after carrying in a car room of a rotary cart. Explanatory drawing of a hoist as an example of a lifting device. Ceiling up and down by hoist. Explanatory drawing of the bogie guide rail which comprises an example of a jig | tool for car ceiling installation. FIG. 4 is an explanatory view of a carriage being carried in by a carriage guide rail as an example of a jig for installing a car ceiling. Explanatory drawing of a bogie installation when a bogie guide rail is used. Explanatory drawing of positioning by a bogie guide stopper. Explanatory drawing of the raising / lowering guide rail which comprises an example of a jig | tool for car ceiling installation. Explanatory drawing which shows the example which installs a raising / lowering guide rail outside. Explanatory drawing of a lifting guide rail fall prevention pin. Explanatory drawing of a ceiling case receiving jack-up. FIG. 9 is a flowchart illustrating an example of a ceiling installation processing procedure. Explanatory drawing which shows the example which installs a raising / lowering guide rail inside. Explanatory drawing of a hydraulic lifting device as an example of the lifting device. Explanatory drawing which shows carrying in a car by a hydraulic lifting device. FIG. 3 is an explanatory view of lifting and lowering a ceiling by a hydraulic lifting device. Explanatory drawing of a pneumatic lifting device as an example of a lifting device. Explanatory drawing of ceiling lifting by a pneumatic lifting device. FIG. 3 is an explanatory diagram of an electric lifting device as an example of the lifting device. Explanatory drawing of a ceiling elevating by an electric hoisting device. FIG. 2 is an explanatory view of a screw type lifting device as an example of the lifting device. Explanatory drawing of the ceiling elevating by a screw type elevating device.

<< 1st Embodiment >>
<Configuration>
Hereinafter, a first embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is a perspective view showing an external configuration of an elevator cab. As shown in the figure, the cab 1 is composed of a skirting board 3 erected vertically from an end of a car floor 2 and a car wall panel 4 mounted on the skirting board 3 to form three sides of the cab. And a curtain plate 6 installed above the entrance 5 of the car room 1, a car wall panel 4 and a ceiling 7 mounted on the curtain plate 6.

<Ceiling structure>
As shown in FIG. 2, the ceiling 7 includes a ceiling plate 8 and a ceiling case 9 attached to the ceiling plate 8 and facing the cab 1 side. An internal space 10 is formed between the ceiling plate 8 and the ceiling case 9 and a lighting device or the like is mounted.

  As shown in FIG. 3, the ceiling plate 8 includes a panel main body 11 and a ceiling end flange 12 attached to four sides of the panel main body 11. Each ceiling end flange 12 and the panel end of the ceiling plate 8 are rotatably mounted via hinges 13.

FIG. 4 shows a detailed configuration of a portion A surrounded by a two-dot chain line in FIG. As shown in FIG. 4A, when the ceiling end flange 12 is raised in the horizontal direction, the hinge 13 is prevented from opening beyond the horizontal direction by contacting the stopper bolt 14. With the ceiling end flange 12 raised, the four corners are blindfolded and the plate 15 is fastened with bolts and nuts, thereby ensuring designability.
The ceiling end flange 12 is screwed and fixed to the car wall panel 1 by a mounting hole 18.

  5A to 5C show the ceiling end flange 12 viewed from the side. When the stopper bolt 14 is loosened, the hinge 13 rotates from the horizontal direction shown in (A) to the vertical direction as shown in (B). As shown in (C), in the vertically rotated state, the stopper bolt 13 restricts the movement of the hinge 13 and restricts the ceiling end flange 12 from closing vertically or more. Regulates returning to the direction. That is, when the stopper bolt 14 is loosened, the ceiling end flange 12 serves as a rotation stopper for the ceiling end flange 12 so that the ceiling end flange 12 does not rotate above the horizontal state with respect to the panel body 11. When the stopper bolt 14 is closed, the ceiling end flange 12 rotates downward and serves as a rotation stopper for the ceiling end flange 12 so as not to rotate upward.

  FIG. 6 shows the state of FIG. 5B in which the ceiling end flange 12 is moved in the closing direction (vertical direction).

  As shown in FIG. 7, the ceiling case 9 attached to the lower surface side of the ceiling plate 8 has a quadrangular pyramid shape, has a function of introducing illumination light from the illumination device into the cab, and has a function as a design surface. Has functions. When the ceiling case 9 is installed on the ceiling, as shown in FIG. 8, the ceiling case 9 is placed on the ceiling case receiver 20 and transported.

  The ceiling case receiver 20 is assembled in a lattice shape by square pipes 24, ceiling case fastening brackets 21 are attached to three sides, and jack receiving plates 22 are installed at four corners. Further, an elevating rail guide 23, which will be described later, is installed at the ends of the square pipes 24 at the four corners by bolts 25, and is configured to move up and down along the elevating guide rails.

<Rotating trolley>
As shown in FIG. 9, the rotary bogie 30 as a jig for ceiling installation is configured such that the rotary bogie 30 is framed by a square pipe welding structure. , A supporting portion 33 vertically mounted on the cart portion 31, a rotating mechanism 34, and a ceiling case mounting base 35.

  The rotating mechanism 34 includes a shaft 36 rotatably supported by a bearing (not shown) for rotating the ceiling case mounting base 35, an operation lever 37 for rotating the shaft 36, and an operation lever As shown in FIG. 10, a rotation stopper 38 is provided for rotating the ceiling case mounting table 35 in a range of approximately 90 degrees in the horizontal and vertical directions while restricting the movement of the 37. The operation case 37 is configured to be able to rotate the ceiling case mounting table 35 about the shaft 36 as an axis.

  As shown in FIG. 11, the above-described ceiling case receiver 20 is attached to the ceiling case mounting base 35. The ceiling 7 or the ceiling case 9 is placed and fixed on the ceiling case receiver 20 as shown in FIG. 12, and the operator operates the operation lever 37 in this state, as shown in FIG. The mounting table 35 can be rotated in the vertical direction (the direction of the car floor).

  FIG. 14 shows a state in which the ceiling case mounting table 35 is rotated in the vertical direction, and is carried into the car room from the car doorway 5 of the ceiling 7. After the ceiling 7 horizontally mounted on the rotating trolley 30 is moved in the car floor direction toward the car floor until the ceiling 7 can pass through the car doorway, the operation lever 37 is operated again, as shown in FIG. Rotate in the horizontal direction as shown.

<Elevating device>
FIG. 16 shows a hoist 40 as an example of a lifting device. The hoist 40 raises and lowers the car ceiling of the elevator suspended by the chain, and is configured so that the ceiling 7 can be suspended by the hook 42 at the tip of the chain 41. Further, it is attached to a rail or a beam of a hoistway via a hook 43 and a chain 44.

<First Embodiment: Car Ceiling Installation Method Using Hoist>
Next, a method of installing a car ceiling using the hoist 40 as a lifting device will be described.

  As shown in FIGS. 8 to 12, the ceiling case receiver 20 is bolted onto the ceiling case mounting base 35 of the rotating carriage 30. The ceiling 7 and the ceiling case 9 are placed on the ceiling case receiver 20, and are bolted while being pressed in a direction to compress the ceiling case 9 by a ceiling case fastening bracket 21 installed at an end of the ceiling case receiver 20. With the ceiling 7, the ceiling case 9, and the ceiling case receiver 20 placed on the ceiling case mounting base 35, the operation lever 37 of the rotating carriage 30 is turned clockwise to rotate the shaft 36 of the rotating carriage.

  As shown in FIG. 21, after rotating the ceiling 7 to a state where the ceiling 7 stands up, the rotating carriage 30 is carried into the car room, and the operation lever 37 of the rotating carriage 30 is turned counterclockwise to bring the ceiling 7 into a horizontal state. Rotate until it becomes Loosen the bolts of the ceiling case fastening bracket 21, and remove the ceiling case 9 and the ceiling case receiver 20.

  Next, as shown in FIG. 17, the hoist 40 installed on the car frame 45 (or the rails or beams of the hoistway) and the ceiling suspension hole 19 (see FIG. 6) are fixed with the wire rope 46, and the ceiling 7 is The ceiling case 9 is moved up and down until it is above the upper end of the car wall panel 1. Then, while rotating until the ceiling end flange 12 is horizontal, the hoist 40 is lowered until the lower surface of the ceiling end flange 12 contacts the upper surfaces of the car wall panel 1 and the curtain plate 6. Finally, the ceiling end flange 12 and the car wall panel 1 and the curtain plate 6 are bolted together with bolts through the mounting holes 18 (see FIG. 6) of the ceiling end flange 12.

<Action / Effect>
By setting the ceiling on the rotating cart 30, the ceiling 7 and the ceiling case 9 can be carried in and out from the entrance 5 of the cab. By making the ceiling end flange 12 rotatable, the radius of the rotation track of the ceiling 7 can be reduced when the car is rotated by the rotating bogie 30, so that it does not interfere with the car wall panel 1 and can be used in the car room. The ceiling 7 can be rotated. Also, when the ceiling 7 is raised and lowered by the hoist 40, interference between the ceiling 7 and the car wall panel 1 can be prevented.

  Also, the dividing line (the boundary between the panel main body 11 and the ceiling end flange 12) at the fastening portion between the ceiling 7 and the ceiling end flange 12 is located inside the peripheral end of the ceiling case 9, so that the dividing line is taken from the car interior. Excellent design without any visible.

<< 2nd Embodiment >>
<Configuration>
In the second embodiment, the bogie guide rails 50 are installed so that the rotary bogie 30 on which the ceiling 7 is placed can be easily and accurately positioned when being carried into the car cabin.

  As shown in FIGS. 18 to 21, the bogie guide rail 50 made of a bent sheet steel is installed on the car floor 2 so that the side surface of the bogie guide rail 50 matches the wheel width of the rotating bogie 30, and the doorway 5 side Is fixed to the inclined guide rail 51 having a wide angle. A bogie stopper 52 is provided on the bogie guide rail 50 for positioning the rotary bogie 30 when it is carried into the car.

<Action / Effect>
When the traveling position and the angle are incorrect when the rotating carriage 30 is loaded into the car, the traveling position and the angle can be corrected by the inclined guide rail 51. The bogie guide rails 50 installed according to the wheel width of the rotary bogie 30 can reduce the operation of adjusting the position of the rotary bogie 30 in the frontage direction in the car cabin.

  The bogie stopper 52 installed on the bogie guide rail 50 can reduce the work of adjusting the position of the rotary bogie 30 in the car room in the depth direction.

<< 3rd Embodiment >>
<Configuration>
In the third embodiment, when the ceiling 7 is moved up and down by the elevating device in the car cabin, the ceiling 7 is prevented from being damaged by touching left and right, and the elevating guide rail 60 is installed to raise the ceiling 7 straight. It is what was constituted.

  As shown in FIGS. 22, 23, and 30, four lifting guide rails 60 formed of square pipes are installed between the ceiling 7 and the car wall panel 1 in the car room. The lower part of each elevating guide rail 60 is fixed to a rail base 61 made of a square pipe. Each elevating guide rail 60 is provided with a plurality of round holes, and has a structure in which a fall prevention pin 62 can be attached to the round hole.

  When the ceiling 7, the ceiling case 9, and the ceiling case receiver 20 are lifted up by the lifting device, the lifting rail guide 63 provided on the ceiling case receiver 20 moves up and down along the lifting guide rail 60. A fall prevention pin 62 is passed through a round hole provided on the lift guide rail 60 below the lift rail guide 63.

<Action / Effect>
The elevating guide rail 60 is installed in the car room, and the elevating rail guide 63 is attached to the ceiling case receiver 20 to be moved up and down. It is possible to move straight up and down without one case. In addition, by passing the fall prevention pin 62 through the round hole provided in the rail under the lift rail guide 63, if the ceiling 7 and the ceiling case 9 fall down, the lower surface of the lift rail guide 63 and the fall prevention pin The upper surface of the ceiling 62 comes into contact with the ceiling 7 and the ceiling case 9 can be prevented from falling. Others are the same as the first embodiment.

  FIG. 27 shows a processing procedure of an elevator car ceiling installation method. The flowchart shown in FIG. 27 is a process common to all the embodiments.

  As shown in the figure, first, the ceiling end flange 12 is rotated and folded from a horizontal state to a folded state (step S1). Next, the ceiling 7 is installed on the rotating trolley 30 (step S2). Next, in order to make the width of the doorway 5 of the car room 1 narrower than the width of the doorway 5, the car 30 is rotated and installed on the ceiling 7 (vertical direction) (step S3). In this state, the rotating carriage 30 and the ceiling 7 placed on the rotating carriage 30 are carried into the car room (step S4).

  In the car cabin, the car 30 is rotated, and the ceiling 7 is set in a horizontal state (step S5). Next, the fastening between the rotating carriage 30 and the ceiling 7 is removed (step S6). Next, the ceiling 7 is lifted up by the lifting device (step S7). The folded ceiling end flange 1 is rotated back to a horizontal state (step S8). Next, the ceiling 7 is lifted down to the upper ends of the car wall panel 4 and the curtain plate 6 by the lifting device (step S9). Finally, the ceiling end flange 12 and the car wall panel 4 and the curtain plate 6 are fastened by bolts (step S10).

  According to the elevator car ceiling installation method described above, the elevator car ceiling can be installed by a simple operation.

<Installation of guide rail in case of car ceiling modification>
As shown in FIG. 28, when the car ceiling 7 is formed in a U-shape in plan view, the elevating guide rail is installed inside the car ceiling 7 (the inside of the U-shape). It was done. With this configuration, as shown in FIG. 23, the installation space can be reduced as compared with the case where the elevating guide rail is installed outside the car ceiling 7, and the work element pail can be secured accordingly. Therefore, workability is improved.

<< 4th Embodiment >>
<Configuration>
In the fourth embodiment, the ceiling 7 is raised and lowered by using a hydraulic lifting device 70 as the lifting device.

  As shown in FIGS. 29 to 30, a caster 71 is provided at a lower portion of the hydraulic elevating device 70, and a round hole 72 for fastening the ceiling case receiver 20 is formed in a top plate of the hydraulic elevating device 70. Is established. After the rotating carriage 30, the ceiling 7, the ceiling case 9, and the ceiling case receiver 20 are carried into the car room 1, the rail base 61, the rail 60, the jack 65, and the fall prevention pin 62 are assembled in the car room 1.

  Next, as shown in FIG. 25, the fastening bolts between the rotating carriage 30 and the ceiling case receiver 20 are removed, and the jack 65 installed on the rail base 61 is tightened. Then, the jack receiving plate 22 installed below the ceiling case receiver 20 is removed. Push up. When the contact between the rotary cart 30 and the ceiling case receiver 20 is lost, the rotary cart 30 is carried out of the car. The hydraulic lifting device 70 is carried into the car cabin, the hydraulic lifting device 70 is lifted up, and the top plate of the hydraulic lifting device 70 and the ceiling case receiver 20 are fastened. The ceiling 7 and the ceiling case 9 are raised and lowered by the hydraulic lifting device 70 until the ceiling 7 and the ceiling case 9 are above the upper end of the car wall panel 1. While rotating the ceiling end flange 12 until it is horizontal, lower it until the lower surface of the ceiling end flange 12 and the upper surface of the car wall panel 1 and the upper surface of the curtain plate 6 are in contact with each other. The plate 6 is bolted. Others are the same as the first embodiment.

<Action / Effect>
Since there is no need to attach a hoist to the rails or beams of the hoistway, work on the hoistway becomes unnecessary. Others are the same as the first embodiment.

<< Other embodiments >>
Various devices can be used as the lifting device.

  For example, the pneumatic lifting device 80 shown in FIGS. 32 and 33 raises and lowers the elevator car ceiling by air pressure. In addition, the electric lifting device 90 shown in FIGS. 34 and 35 raises and lowers the car ceiling of the elevator by an electric motor. Further, the screw type lifting device 100 shown in FIGS. 36 and 37 raises and lowers the elevator car ceiling by moving the pole up and down with the rotation of the screw.

  By using these hoisting devices 80, 90, and 100, there is no need to attach a hoist to the rails or beams of the hoistway, so that work on the hoistway becomes unnecessary, and workability is improved.

  As described above, these embodiments are presented as examples, and are not intended to limit the scope of the invention. These new embodiments can be implemented in other various forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. These embodiments and their modifications are included in the scope and gist of the invention, and are also included in the invention described in the claims and their equivalents.

  DESCRIPTION OF SYMBOLS 1 ... Car room, 2 ... Car floor, 3 ... Skirting board, 4 ... Car wall panel, 5 ... Doorway, 6 ... Curtain board, 7 ... 5 part flange, 13 ... Hinge, 14 ... Stopper bolt (rotation restriction member) , 15: Blindfold plate, 16: Bolt, 17: Nut, 18: Mounting hole, 20: Ceiling case receiver, 21: Ceiling case fastening bracket, 22: Jack receiving plate, 23: Elevating rail guide, 24: Square pipe, 30 ... Rotating trolley, 31 ... Bogie part, 32 ... Caster, 33 ... Support part, 34 ... Rotating mechanism, 35 ... Ceiling case mount, 36 ... Shaft, 37 ... Operation lever, 38 ... Rotation stopper, 40 ... Hoist, 41 ... Chains, 42, 43 ... Hook, 44,46 ... Wire rope, 45 ... Car frame, 50 ... Carriage guide rail, 51 ... Inclination guide rail, 52 ... Carriage stopper, 60 ... Elevation guide rail Le, 61 rail foundation, 62 ... drop prevention pin, 70 ... hydraulic lifting device, 80 ... pneumatic lifting device, 90 ... electric lifting device, 100 ... screw type lifting device.

Claims (7)

Having a ceiling plate fixed to a car wall panel constituting a wall of the car room,
The ceiling plate includes a panel body and ceiling end flanges respectively attached to four sides of the panel body,
The ceiling end flange is rotatably attached to the panel body by a hinge,
When loading the ceiling plate into the car room, or when unloading from the car room, the ceiling end flange is rotated and folded toward the car floor,
When fixing the ceiling plate carried into the car room to the car wall panel, the ceiling end flange in the folded state is rotated in the horizontal direction, and is flush with the panel main body so that the car wall is Attached to the panel ,
On the lower surface side of the ceiling plate, a ceiling case that transmits illumination light into the car room is attached,
The ceiling case is wider than a width dimension of the panel body, and has a size smaller than a width dimension when the ceiling end flange is horizontally opened.
An elevator car ceiling characterized by the following: A rotation restricting member that restricts rotation of the ceiling end flange is provided at a location where the hinge is installed, and the rotation restricting member includes:
When rotating the ceiling end flange in the folded state in the opening direction, restricting the opening in the horizontal direction or more,
When rotating the ceiling end flange in the open state in the closing direction, restricting closing in the vertical direction or more,
The elevator car ceiling according to claim 1 , wherein: A claim 1 or 2 ceiling mounting jig to be used when Keru with laid the ceiling is carried into the cab of the car ceiling of an elevator according to,
A ceiling case mounting table on which the ceiling plate and the ceiling case are mounted with a ceiling case receiver interposed therebetween; and a rotation member configured to rotate the ceiling case mounting table between a horizontal direction and a vertical direction. A rotating carriage that transports the placed ceiling plate and ceiling case into the car room,
A lifting and lowering device that moves the ceiling plate conveyed into the car room by the rotating bogie up to the ceiling height;
A jig for installing an elevator car ceiling, comprising: A trolley guide rail for guiding the loading and unloading of the rotating trolley into and out of the car room,
A stopper for positioning the rotary cart,
The jig for installing an elevator car ceiling according to claim 3 , further comprising: A rail base on which the ceiling case receiver carried by the rotating carriage is placed, which is installed in a car room,
An elevating guide rail that is attached to each of the four corners of the rail base in the vertical direction and guides the elevating and lowering of the ceiling plate and the ceiling case to be elevated by the elevating device,
A jack attached below each of the elevating guide rails, and a jack for separating the ceiling case receiver from the ceiling case mounting table of the rotating cart when the rotating cart is carried out of the car,
A fall prevention bracket attached below each of the elevating guide rails to support the ceiling case receiver separated by the jack in a horizontal state,
The jig for installing an elevator car ceiling according to claim 3 or 4 , comprising: The lifting device is a hoist that raises and lowers a car ceiling of the elevator suspended by a chain, a hydraulic lifting device that raises and lowers the elevator car ceiling by hydraulic pressure, and a pneumatic lifting device that raises and lowers the elevator car ceiling by air pressure. A motor-driven elevator that raises and lowers the car ceiling of the elevator by an electric motor, and / or a screw-type elevator that raises and lowers the car ceiling of the elevator by moving a pole up and down with the rotation of a screw.
The jig for installing a car ceiling of an elevator according to any one of claims 3 to 5 , wherein: Keru with laid the cage ceiling in the cab of the elevator a cage ceiling installation method,
A car ceiling of the elevator according to claim 1 or 2 is mounted on a mounting table of a rotating bogie with the ceiling end flange closed.
The mounting table of the rotating car is rotated in a direction intersecting with the car floor of the elevator, and is carried into the car room from the doorway,
After loading, return the mounting table to the horizontal direction,
After removing the rotating cart, raise the car ceiling to near the ceiling by a lifting device,
After that is rotated in the opening direction or raised your ceiling of the ceiling end flange, Keru Installing the cage wall panel,
An elevator car ceiling installation method characterized by the following.

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