JP4862349B2 - Elevator screen guide groove inspection device - Google Patents

Description

  The present invention relates to an inspection device for inspecting the presence or absence of foreign matter in a screen guide groove provided at an elevator hall.

  Some elevator halls are provided with a screen that shields the hall entrances and exits in order to prevent smoke from spreading through the elevator hoistway in the event of a fire. As such prior art, a winding device provided on the upper frame of the landing three-way frame, a heat-resistant sheet composed of a screen having smoke-proofing properties and flame-proofing properties, and an edge in the width direction of the heat-resistant sheet are mounted. And a weight attached to the lower end of the heat-resistant sheet, and a control device for instructing the control means of the winding device to release rotational braking by the operation of the smoke detector. There has been proposed one in which the heat-resistant sheet is lowered by the operation of the control means based on the operation so as to shield the landing entrance (see, for example, Patent Document 1).

JP 2002-338160 A

  Both ends of the screen described in Patent Document 1 are arranged inside the vertical frame through the screen lifting groove formed in the vertical frame of the landing three-way frame, and the moving direction thereof is guided by the guide rail provided in the vertical frame. Guided. The screen elevating groove formed in the vertical frame is narrower than a generally used elevating groove such as a shutter, and is usually only about 6 mm. Therefore, there is no foreign matter in the screen elevating groove, or inside the guide rail. It is difficult to judge whether or not dust or the like that hinders the lifting of the screen, and it takes time and labor to check the screen lifting groove and guide rail (hereinafter referred to as “screen guide groove”) during elevator maintenance and inspection. Therefore, there was a problem that workability was poor. In addition, if the foreign matter caught in the screen lifting groove or the dust left in the guide rail could not be found at the time of maintenance inspection, the screen entrance and exit shielding will not be complete, There has also been a problem that sufficient fire and smoke prevention performance cannot be ensured in the event of a fire.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide an elevator that can easily and reliably carry out maintenance and inspection of the screen guide groove during maintenance and inspection of the elevator. It is to provide an inspection device for a screen guide groove.

The elevator screen guide groove inspection device according to the present invention is provided in the vertical frame of the elevator hall three-way frame, and the adjacent end portions of the panels on the landing side and the hoistway side constituting the vertical frame are on the side of the anti-elevation passage The screen elevating groove is formed between the end portions by being bent to descend from the upper side of the landing entrance and shutting off the entrance entrance in the event of a fire, and the screen elevating groove is the anti-elevation passage In the inspection device for the screen guide groove of the elevator that inspects the inside of the guide rail provided on the back side of the panel on the hoistway side with one side part on the back side of the panel on the landing side so as to straddle from the side , and thin rod-like portion than the width of the screen lifting groove, so that the straight line with respect to the rod-shaped portion when viewed from the side end face, provided at one end of the rod-shaped portion, than the width of the screen lifting groove A plate portion having a large width and a thickness smaller than the width of the screen elevating groove, and the plate portion is inserted in the screen elevating groove in a state where it is raised in accordance with the groove direction of the screen elevating groove, and then the guide rail When the shaft is rotated about the rod-shaped portion and arranged in a horizontal state, the tip portion and both side portions face the inner surface of the guide rail with a predetermined gap.

According to the elevator screen guide groove inspection device according to the present invention , the maintenance inspection of the screen guide groove can be easily and reliably performed during the maintenance inspection of the elevator.

  In order to explain the present invention in more detail, it will be described with reference to the accompanying drawings. In addition, in each figure, the same code | symbol is attached | subjected to the part which is the same or it corresponds, The duplication description is simplified or abbreviate | omitted suitably.

Embodiment 1 FIG.
1 is a front view showing an elevator hall, and FIG. 2 is a cross-sectional view taken along line AA in FIG. 1 and 2, reference numeral 1 denotes a landing three-way frame that is provided at an elevator landing and forms a landing doorway with the floor 2 of the landing, and is erected on both sides of the landing doorway, part of which is a side wall of the landing doorway A vertical frame 3 that forms 3a, and a curtain plate 4 provided over the vertical frame 3 and disposed above the landing doorway. Reference numeral 5 is a landing door provided at the landing to open and close the landing doorway, and 6 is a screen case provided on the back side of the curtain plate 4. The screen case 6 includes a screen 7 having fire resistance and smoke resistance. Is wound and stored.

  Reference numeral 8 denotes a screen elevating groove provided so as to be opposed to each vertical frame 3 of the landing three-way frame 1 constituting the side wall 3a of the landing doorway, and extends vertically from the screen case 6 to the floor 2 of the landing. Is formed. A guide rail 9 is provided on the side opposite to the entrance / exit passage of each vertical frame 3 provided with the screen elevating groove 8 and guides the moving direction of both ends of the screen 7 when it is raised and lowered.

  Here, the screen elevating groove 8 is formed by panels arranged on the landing side and the hoistway side of the vertical frame 3a constituting the side wall 3a of the landing doorway. In other words, the screen elevating groove 8 is bent to the side opposite to the entrance / exit passage so that end portions 3b and 3c adjacent to each other of the two panels constituting the vertical frame 3a are substantially L-shaped in cross section. Thus, they are formed to have a predetermined width so as to face each other. Further, the guide rail 9 has a substantially U-shaped cross section, and one side is on the back side of the panel on the landing side and the other side is so as to straddle the screen elevating groove 8 by this U-shaped portion. It is fixed to the back side of the panel on the hoistway side.

  In the elevator hall having the above-described structure, when a fire detector detects that a fire has occurred, a signal is received from the fire detector and the screen 7 is controlled to descend from above the hall entrance / exit. Has been. When the screen 7 is raised and lowered, both end portions of the screen 7 are arranged in the vertical frame 3 through the screen lifting grooves 8 of the vertical frame 3 from the hallway side, and the moving direction thereof is guided by the guide rail 9. And when the lower end part of the screen 7 reaches the floor surface 2 of the hall, the hall entrance / exit is shielded and a fire prevention section is formed. In addition, each screen raising / lowering groove | channel 8 formed in the vertical frame 3 of the hall three-way frame 1 is thinner than a raising / lowering groove | channel, such as a shutter used generally, and is comprised about about 6 mm.

  Next, an inspection device that performs maintenance inspection of the screen guide groove composed of the screen lifting groove 8 and the guide rail 9 will be described. During the elevator maintenance inspection, the elevator maintenance worker checks whether foreign matter is caught in the screen lifting groove 8 or whether dust or the like that inhibits the lifting of the screen 7 has entered the guide rail 9. However, it is implemented using an inspection device to be described later.

  FIG. 3 is an inspection device for a screen guide groove of an elevator according to Embodiment 1 of the present invention, in which (a) is a side view thereof and (b) is a front view thereof. In FIG. 3, the screen guide groove inspection device includes a substantially rectangular plate portion 10 having a predetermined size and thickness, and a substantially cylindrical shape having one end portion provided on one end surface of the plate portion 10 and having a predetermined diameter. The rod-shaped portion 11 and a handle portion 12 provided at the other end of the rod-shaped portion 11 are configured.

  Here, the rod-like portion 11 has a predetermined length and is configured such that its diameter is smaller than the width B of the screen elevating groove 8. On the other hand, the plate portion 10 is provided at one end of the rod-like portion 11 so as to be substantially straight with respect to the rod-like portion 11, and rotates from the vertical state to the horizontal state around the rod-like portion 11 in the guide rail 9. It has a predetermined shape that is slightly smaller than the cross section of the guide rail 9 and a thickness that is thinner than the width B of the screen elevating groove 8 as possible.

  Next, a case where the inspection of the screen guide groove is performed using the inspection apparatus having the above configuration will be described. FIG. 4 is a diagram for explaining the operation of the elevator screen guide groove inspection apparatus according to Embodiment 1 of the present invention. 3 and 4, during maintenance and inspection of the elevator, the maintenance worker holds the plate portion 10 of the inspection device in a state where the plate portion 10 stands vertically in accordance with the groove direction of the screen lifting groove 8, and the plate portion 10 is lifted and lowered by the screen. Insert into the groove 8. And after arrange | positioning the plate part 10 completely in the guide rail 9, this plate part 10 is rotated 90 degree | times, it is made a horizontal state, and it moves to the up-down direction, keeping the plate part 10 in a horizontal state.

  Here, the plate portion 10 has a shape that is slightly smaller than the cross-sectional shape of the guide rail 9, and when the plate portion 10 is arranged in a horizontal state in the guide rail 9, the tip portion thereof is in contact with the inner surface of the guide rail 9. It is configured to face each other with a predetermined slight gap. For this reason, when foreign matter has entered the guide rail 9, the plate portion 10 comes into contact with the foreign matter when the inspection device is moved in the vertical direction. The existence can be easily grasped. In addition, when foreign matter is caught in the screen lifting groove 8, the rod-shaped portion 11 comes into contact with the foreign matter when the inspection device is moved in the vertical direction. The existence can be easily grasped.

  According to the first embodiment of the present invention, foreign substances in the guide rail 9 and the screen elevating groove 8 can be easily and reliably found by the plate portion 10 and the rod-like portion 11 of the detection device, and maintenance is performed. The working time can be greatly shortened. In addition, the maintenance inspection work can be made more reliable by providing the gripping part 12 with a mark or the like that can confirm whether the plate part 10 is horizontal.

Embodiment 2. FIG.
5A and 5B show an elevator screen guide groove inspection apparatus according to Embodiment 2 of the present invention. FIG. 5A is a side view thereof, and FIG. 5B is a front view thereof. In FIG. 5, the screen guide groove inspection device is formed from a single thin plate that is thinner than the width B of the screen elevating groove 8. In other words, the inspection device has a substantially rectangular plate portion 13 having a predetermined size and thickness from one thin plate, and a width B of the screen lifting groove 8 having one end connected to the plate portion 13. A rod-shaped portion 14 having a narrow width and a grip portion 15 connected to the other end of the rod-shaped portion 14 are molded. With such a configuration, the inspection device can be manufactured by laser processing, punching with a mold, or the like, and can be provided at a low cost. The rest of the configuration and effects are the same as those of the first embodiment.

Embodiment 3 FIG.
6A and 6B show an elevator screen guide groove inspection apparatus according to Embodiment 3 of the present invention. FIG. 6A is a side view thereof, and FIG. 6B is a front view thereof. In FIG. 6, the screen guide groove inspection device has a substantially rectangular plate portion 10 having a predetermined size and thickness, and a substantially cylindrical shape having one end portion provided on one end surface of the plate portion 10 and a predetermined diameter. The rod-shaped portion 11, the handle portion 12 provided at the other end portion of the rod-shaped portion 11, and the substantially circular shape having a predetermined diameter provided at the other end portion side of the rod-shaped portion 11 so as to be orthogonal to the rod-shaped portion 11 And a protective plate 16 having a shape.

  7 is a view for explaining the operation of the elevator screen guide groove inspection device according to the third embodiment of the present invention. After the plate portion 10 is arranged in the guide rail 9, the plate portion 10 is rotated by 90 degrees. Is shown in a horizontal state. Here, the protective plate 16 is made of a soft material such as plastic, and when the plate portion 10 is inserted into the screen elevating groove 8 and disposed in the guide rail 9, a slight amount is formed on the side wall 3a of the vertical frame 3. It arrange | positions in the position which has a clearance gap and opposes. By having such a configuration, it is possible to prevent the design surface of the side wall 3a from being damaged during maintenance inspection work, and it is possible to improve maintainability.

Embodiment 4 FIG.
FIG. 8 is a front view of an elevator screen guide groove inspection apparatus according to Embodiment 4 of the present invention, and FIG. 9 is a diagram for explaining the operation of the elevator screen guide groove inspection apparatus according to Embodiment 4 of the present invention. . 8 and 9, the screen guide groove inspection device includes a plate portion 17 having a predetermined size, shape, and thickness, and a substantially circular shape having one end portion provided on one end surface of the plate portion 17 and a predetermined diameter. It is comprised from the column-shaped rod-shaped part 11 and the holding part 12 provided in the other end part of the rod-shaped part 11. FIG.

  Here, the plate portion 17 is provided at one end of the rod-shaped portion 11 so as to be substantially straight with respect to the rod-shaped portion 11, and rotates from the vertical state to the horizontal state around the rod-shaped portion 11 in the guide rail 9. It has a predetermined shape that is slightly smaller than the cross section of the guide rail 9 so as to be movable, and a thickness that is thinner than the width B of the screen elevating groove 8. That is, the front end portion of the plate portion 17 is configured to face the inner surface of the guide rail 9 with a predetermined slight gap when arranged in a horizontal state in the guide rail 9. For this reason, the presence of the foreign matter on the back side of the guide rail 9 can be easily inspected by rotating the plate portion 17 90 degrees after the plate portion 17 is arranged in the guide rail 9 and moving it in the vertical direction.

  On the other hand, when the plate portion 10 is disposed horizontally in the guide rail 9, the opposite end portion side of the plate portion 17 is opposed to the groove constituting portion that forms the screen elevating groove 8 with a predetermined gap. It is configured as follows. That is, on the opposite end side of the plate portion 17, when the plate portion 10 is disposed horizontally in the guide rail 9, there is a predetermined gap at the end portions 3 b and 3 c of the panel that becomes the groove constituting portion. Thus, opposing recesses are formed. Therefore, after the plate portion 17 is arranged in the guide rail 9, it is rotated 90 degrees to be in a horizontal state, and the plate portion 17 is further slid to the landing passage side by a predetermined distance, so that the plate portion is also installed in the space on both sides of the panel end portion. Since the 17 is arranged, it is possible to easily find foreign objects existing in the space.

  According to the fourth embodiment of the present invention, it is possible to detect the foreign matter in the entire guide rail 9 and the screen elevating groove 8 more reliably by the plate portion 17 and the rod-like portion 11 of the detection device. Others have the same configuration and effects as any of the first to third embodiments.

  In the fourth embodiment of the present invention, a concave portion matching the shape of the end portions 3b and 3c of the panel is formed on the opposite end portion side of the plate portion 17 to be present on both sides of the end portions 3b and 3c of the panel. However, the shape on the side opposite to the tip of the plate portion 17 is not limited to the concave portion, and it is adjusted to the shape of the groove constituting portion so that the entire foreign matter in the guide rail 9 can be found. Needless to say, it may be molded.

It is a front view which shows an elevator hall. It is AA sectional drawing in FIG. It is the inspection apparatus of the screen guide groove | channel of the elevator in Embodiment 1 of this invention, (a) is the side view, (b) is the front view. It is a figure explaining operation | movement of the inspection apparatus of the screen guide groove of the elevator in Embodiment 1 of this invention. It is the inspection apparatus of the screen guide groove of the elevator in Embodiment 2 of this invention, (a) is the side view, (b) is the front view. It is the inspection apparatus of the screen guide groove of the elevator in Embodiment 3 of this invention, (a) is the side view, (b) is the front view. It is a figure explaining operation | movement of the inspection apparatus of the screen guide groove of the elevator in Embodiment 3 of this invention. It is a front view of the inspection apparatus of the screen guide groove of the elevator in Embodiment 4 of this invention. It is a figure explaining operation | movement of the inspection apparatus of the screen guide groove of the elevator in Embodiment 4 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Boarding three-way frame 2 Boarding floor 3 Vertical frame 3a Side wall 3b, 3c End part 4 Curtain plate 5 Boarding door 6 Screen case 7 Screen 8 Screen raising / lowering groove 9 Guide rail 10, 13, 17 Plate part 11, 14 Rod-like part 12 , 15 Handle 16 Protection plate

Claims (4)

It is provided in the vertical frame of the elevator hall three-way frame, and is formed between the end portions by bending the adjacent end portions of the landing side and hoistway side panels constituting the vertical frame to the anti-elevation passage side. And a screen lifting groove in which both ends of the screen descending from above the landing doorway in the event of a fire and shielding the landing doorway are disposed,
The inside of the guide rail provided on the back side of the panel on the landing side, the other side is provided on the back side of the panel on the hoistway side, so that the screen elevating groove is straddled from the side opposite to the entrance / exit passageway,
In the inspection device for elevator screen guide grooves,
A rod-shaped portion thinner than the width of the screen lifting groove,
As a straight line with respect to the rod-shaped portion when viewed from the side end face, provided at one end of said rod portion, said screen elevating groove of width greater than the width, and than the width of the screen lifting groove A plate portion having a thin thickness,
The plate portion is inserted into the screen elevating groove in a state of being erected in accordance with the groove direction of the screen elevating groove, and then rotated around the rod-shaped portion inside the guide rail and arranged in a horizontal state. Then, the inspection device for the screen guide groove of the elevator, wherein the front end portion and the both side portions face the inner surface of the guide rail with a predetermined gap. The plate portion is inserted into the screen elevating groove in a state of being erected in accordance with the groove direction of the screen elevating groove, and then rotated around the rod-shaped portion inside the guide rail and arranged in a horizontal state. Further, when it is slid by a predetermined distance toward the boarding / alighting passage side, the anti-tip portion is predetermined on the back surface of the end portion of the panel on the landing side and the back surface of the end portion of the panel on the hoistway side . The apparatus for inspecting a screen guide groove of an elevator according to claim 1, wherein the inspection device is opposed to each other with a gap. The plate portion is
A gripping portion provided at the other end of the rod-shaped portion;
With
3. The elevator screen guide groove inspection device according to claim 1, wherein the plate portion, the rod-shaped portion, and the grip portion are formed from a single plate material . 4. It claims 1 to 3, wherein the plate portion is protective plate that faces a said vertical frame with a predetermined gap between the hall jamb when disposed in said guide rail is provided The elevator inspection device according to any one of the above.

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