JP7102034B1 - Holding device for covering sheet of escalator - Google Patents

Abstract

An object of the present invention is to simplify the configuration for maintaining the erected state of a cover sheet in restraining and holding a cover sheet that is installed between handrails of an escalator and covers the top of the escalator. A pair of holding members (2, 2) are mounted on parallel handrails (6) of an escalator (5), span between the parallel handrails (6, 6), and restrain a cover sheet (7) covering the escalator (5). A holding device 1 is constituted by a main body portion 3 placed on each handrail 6 on a holding member 2, and a pair of main body portions 3 on both sides in the length direction of the main body portion 3 and sandwiching the handrails 6 from both sides in the width direction. At least one of the pair of gripping portions 41 and 42 is supported by the body portion 3 so that the distance between the opposing surfaces of the gripping portions 41 and 42 is adjustable, and the upper surface of the body portion 3 is supported. , protruding portions 32 that are inserted into the insertion holes 7a formed on both sides of the cover sheet 7 in the width direction. [Selection drawing] Fig. 1

Description

The present invention is for a covering sheet of an escalator that is erected between handrails that are parallel to each other when inspecting a main body other than the handrail, such as a tread of an escalator, and is used to restrain and hold a covering sheet that covers the escalator. It relates to a holding device.

When inspecting or repairing the tread or machine room, which is the main body of the escalator, the work space is separated from the surrounding space and the work space is sealed in order to protect the work place from falling objects, wind and rain, etc. It may be necessary to make it a space.

As a method of sealing the work space, a method of erection (deployment) of a curing sheet between the railings supporting parallel handrails and supporting the curing sheet with a U-shaped frame (framework) (see Patent Documents 1 and 2). , There is a method in which a wire is stretched between the columns installed on the upper floor side and the lower floor side of the escalator, and the wire supports the sheet (see Patent Document 3). In the former method, a frame that supports the seat is used to maintain the shape of the erected (deployed) seat, and in the latter method, tension is applied to the wire because the seat is supported by one wire. There is.

JP-A-2002-370886 (Claim 1, paragraphs 0011 to 0048, FIGS. 1 to 17) JP-A-2011-236002 (Claim 1, paragraphs 0010 to 0026, FIGS. 1 to 11) JP-A-2005-335850 (Claim 1, paragraphs 0018 to 0034, FIGS. 1 to 7)

In Patent Documents 1 and 2, in order to maintain the stretched state of the curing sheet, it is necessary to arrange a large number of frames in parallel balustrades at intervals in the length direction of the escalator, so that the curing sheet is held. It takes time and effort to work.

In Patent Document 3, a wire serving as a frame of the seat is stretched between the upper floor side and the lower floor side of the escalator, but in order to prevent the wire from hanging due to its own weight and the load of the seat, a tension applying means is provided on the wire. Since it is necessary to connect, the number of facilities for maintaining the erected state of the seat increases, and the installation work requires time and effort.

From the above background, the present invention proposes a holding device for a covering sheet of an escalator having a simple structure for maintaining an erected state of a sheet.

The holding device for a covering sheet of an escalator according to claim 1 is attached to each of the parallel handrails of the escalator, and is erected between the parallel handrails to restrain the covering sheet covering the escalator. Equipped with a holding member
The holding member is paired with a main body portion placed on each of the handrails on both sides in the length direction of the main body portion, the handrail is sandwiched from both sides in the width direction, and the surface on the handrail side is formed. It has a pair of grips that are part of a polygonal shape ,
The main body portion supports at least one of the pair of grip portions so that the distance between the opposing surfaces of the grip portions can be adjusted, and insertion holes formed on both sides of the covering sheet in the width direction on the upper surface of the main body portion. It is a constituent requirement that a convex portion to be inserted into the protrusion is provided.

"Providing a pair of holding members attached to each handrail in parallel of the escalator" means that two holding members attached to the handrails on both sides of the escalator in the width direction form a pair to form a holding device. Say that. Each holding member has a main body and a pair of grips.

"Holding a pair of grips paired on both sides in the length direction of the main body" means that a pair of grips are arranged on both sides in the length direction of the main body, and the pair of grips provide a handrail. It is sandwiched from both sides in the width direction and gripped (held). The length direction of the main body is the width direction of the escalator and the width direction of the handrail.

"The main body supports at least one of the pair of grips so that the distance between the opposing surfaces of the grips can be adjusted" means that one of the pair of grips, or both grips, is supported. Is supported by the main body portion so that the distance between the gripping portions can be freely adjusted. For example, when only one grip portion 41 is freely supported for adjusting the distance as shown in FIG. 1, the other grip portion 42 is integrated with the main body portion 3 (claim 3). Both of the pair of grip portions 41 and 42 may be supported by the main body portion 3 in a state in which the distance between them can be freely adjusted.

"At least one grip portion is freely supported to adjust the distance between the grip portions" is connected to the main body portion 3 so as to be movable in the length direction of the main body portion 3 as shown in FIG. 1, for example. This is possible by joining one grip portion 41 to the end of the shaft member 44 such as a screw (bolt) on the handrail 6 side, or by rotatably connecting to the shaft member 44 around an arbitrary shaft. However, it is not necessarily limited to this structure.

When the shaft member 44 is a screw (all screws), the shaft member 44 inserts a receiving portion 31 facing one of the grip portions 41 of a part of the main body portion 3 as shown in FIG. 3- (a). It is screwed into the receiving portion 31, stops at an arbitrary position in the axial direction of the shaft member 44, and is supported by the receiving portion 31. When the shaft member 44 is not a full screw but the receiving portion 31 is inserted, a male screw is formed in at least a part of the axial direction of the shaft member 44, and the nut 45 screwed into the male screw abuts on the receiving portion 31. As a result, it stops at an arbitrary position in the axial direction with respect to the receiving portion 31. The nut 45 may also be used when the shaft member 44 is screwed into the receiving portion 31. The "state in which the shaft member 44 is stopped at an arbitrary position in the axial direction" is made possible by being restrained by the nuts 45 arranged on at least one of both sides in the thickness direction of the receiving portion 31.

"Convex portions to be inserted into the insertion holes formed on both sides of the covering sheet in the width direction are projected on the upper surface of the main body portion" means that the convex portion 32 is projected on the upper surface of the main body portion 3 by fixing or screwing. However, it is said that the covering sheet 7 is held on both sides in the width direction by inserting the covering sheet 7 into the insertion holes 7a formed on both sides in the width direction. A male screw may be formed on the convex portion 32, and in that case, the covering sheet 7 is restrained by screwing the nut 33 from the upper surface of the covering sheet 7 to the convex portion 32 as shown in FIG. On the other hand, it is stable. The convex portion 32 may be screwed into the main body portion 3 from the lower surface side of the main body portion 3 so as to protrude from the upper surface portion.

The convex portion 32 on which the male screw is formed corresponds to the shaft portion of the bolt. Even when the male screw is not formed, the nut-shaped part through which the convex portion 32 can be inserted is dropped from above the convex portion 32, and the covering sheet 7 is attached to the main body 3 by the mass (weight) of the part itself or by the adhesion effect due to the magnetic force. It may be constrained to the upper surface of the. A ring (eyelet) for preventing breakage of the covering sheet 7 may be fixed around the insertion hole 7a of the covering sheet 7.

The convex portion 32 to be inserted into the insertion hole 7a of the covering sheet 7 is projected from the upper surface of the main body portion 3, so that the main body portion 3 of the holding member 2 in which the covering sheet 7 is arranged on both sides in the width direction of the escalator 5 is provided. It is possible to maintain the erected (tensioned) state of the covering sheet 7 simply by dropping the convex portion 32 through the insertion hole 7a and dropping the nut 33 or the like. As a result, the configuration for maintaining the erected state of the covering sheet 7 is simplified, and the erection work of the covering sheet 7 is also simplified.

In particular, as shown in FIG. 2, the convex portion 32 is vertically extended from the main body portion 3 side (lower side) to the tip end side (upper side), and the escalator 5 is inclined from both sides in the width direction toward the center side ( 2. The tension is applied to the covering sheet 7 in the width direction only by pushing the covering sheet 7 downward of the convex portion 32 in a state where the convex portion 32 is inserted into the insertion hole 7a of the covering sheet 7. Can be done. If a male screw is formed on the convex portion 32, tension can be applied to the covering sheet 7 in the width direction as the nut (throw screw) 33 is tightened on the convex portion 32.

When the pair of gripping portions 41 and 42 are separate from the main body portion 3, for example, it is not easy to attach the holding member 2 to the handrail 6 so as to stably sandwich the holding member 2 from both sides in the width direction. It is difficult to install with at least one hand. Therefore, of the pair of grips 41 and 42, one grip 42 is integrated with the main body 3, and the other grip 41 is supported by the main body 3 so as to be movable in the length direction (claimed). Item 3), the holding member 2 can be stably attached to the handrail 6.

"Integrating one grip portion into the main body portion" means that the one grip portion 42 is on one side in the length direction of the main body portion 3, the other grip portion 42 is on one side in the width direction of the handrail 6, and the handrail 6 is connected from the outside in the width direction. It is said that the handrail 6 is integrated so as to be able to come into contact with each other, and the handrail 6 can be sandwiched from both sides in the width direction together with the other grip portion 41.

"The other grip portion is supported by the main body portion so as to be movable in the length direction thereof" means that, for example, as shown in FIG. 1, the other grip portion 41 has a length on the receiving portion 31 which is a part of the main body portion 3. A state in which the handrail 6 is supported by connecting or the like to the tip of the shaft member 44 which is movably movable in the direction and connected by screwing or the like, and can be gripped (held) by sandwiching the handrail 6 from both sides in the width direction together with one grip portion 42. Say that it is in.

In this case, both of the pair of grip portions 41 and 42 are not separate from the main body portion 3, one grip portion 42 is a part of the main body portion 3, and the other grip portion 41 is attached to the main body portion 3. As a result, both gripping portions 41 and 42 are in a state equivalent to being a part of the main body portion 3. Therefore, the holding member 2 can be installed on the handrail 6 simply by holding the main body 3 (holding member 2) and placing the holding member 2 on the handrail 6, and the installation can be performed with one hand. The holding member 2 is put into a mounted state by moving the grip portion 41 which is movable in the length direction of the main body portion 3 as it is and sandwiching the handrail 6 together with the fixed grip portion 42.

Further, since the surfaces of the handrail 6 on both sides in the width direction are convex curved surfaces, the surface on the handrail 6 side, which is the inner peripheral surface of the pair of grip portions 41 and 42, is a surface (curved surface) on the surface of the handrail 6. If the shape is such that the handrails 6 are in contact with each other, slippage is likely to occur when the handrail 6 is gripped by the pair of gripping portions 41 and 42, and the stability in the gripped state may be lowered.

On the other hand, by forming the surface of the pair of gripping portions 41, 42 on the handrail 6 side (inner peripheral side) into a part of a polygonal shape (claim 1 ), stability in the gripping state is ensured. Will be possible. “A part of a polygon” means a part of a triangle, a quadrangle, or the like. In the example shown in FIG. It has the shape of a side.

Since the inner peripheral surfaces of the grips 41 and 42 are partly polygonal, the inner peripheral surfaces of the grips 41 and 42 have a plurality of points such as two points on the vertical cross section of the handrail 6. It will be in a state of contact at a point. As a result, when the pair of gripping portions 41, 42 grip the handrail 6 from both sides in the width direction, the pressure at the contact portion (line) becomes larger than when the handrail 6 is in contact with the surface, so that the pressure between the handrail 6 and the handrail 6 is increased. Slip is less likely to occur and stability in the gripped state is increased.

Among the holding members attached to the handrails of the escalator, the covering sheet is escalator because a convex portion to be inserted into the insertion hole of the covering sheet is projected on the upper surface of the main body portion mounted on each handrail. It is possible to maintain the erected state of the covering sheet simply by dropping it on the main body of the holding device arranged on both sides in the width direction, inserting the convex portion into the insertion hole, and dropping the nut or the like. As a result, the configuration for maintaining the erected state of the covering sheet can be simplified, and the erection work of the covering sheet can be simplified.

It is a vertical cross-sectional view which showed the state when a pair of holding members were attached to parallel handrails, a covering sheet was stretched between holding members, and it was restrained by a holding member. (A) is a vertical cross-sectional view showing a configuration example of a holding device when the convex portions of the pair of holding members shown in FIG. 1 are hung from the lower side to the upper side and inclined from both sides in the width direction of the escalator toward the center side. , (B) is a partially enlarged view of (a). (A) is an elevation view showing one of the holding members shown in FIG. 1, (b) is a side view of the left grip portion side of (a), and (c) is a right side paired with the left grip portion. An elevational view showing a movable grip portion, (d) shows a connecting material integrated with the grip portion shown in (c) and connected to a shaft material (screw) movably connected to the main body portion. A side view of the shaft member side, (e) is a side view showing the right side of the main body through which the shaft member is inserted. It is a perspective view which showed the state when the covering sheet erected between handrails was attached to each handrail, was held by a plurality of holding members, and was erected between handrails. It is a perspective view which showed the state when the parallel handrail of an escalator was seen from the lower floor side. It is a perspective view which showed the state when the holding member was attached to the handrail shown in FIG.

FIG. 1 is a pair of holding members 2 attached to each of the parallel handrails 6 of the escalator 5 as shown in FIGS. 4 and 5 and for restraining the covering sheet 7 erected between the parallel handrails 6 and 6. A configuration example of the holding device 1 provided with 2 and 2 is shown. The covering sheet 7 erected between the handrails 6 and 6 covers the escalator 5 and forms a closed work space together with the balustrades 8 and 8 on both sides of the escalator 5.

The pair of holding members 2 and 2 are basically arranged so as to be paired at the same position of the handrails 6 and 6 in parallel, but it is not always necessary. The “same position” refers to the position of the other handrail 6 that is closest (on the shortest distance) to the position of the one handrail 6 on which the one holding member 2 is placed.

As shown in FIGS. 1 and 3- (a), the holding member 2 is paired with the main body 3 mounted on each handrail 6 on both sides in the length direction of the main body 3, and the handrail 6 is widened. It has a pair of gripping portions 41 and 42 sandwiched from both sides in the direction. The main body 3 has a length equal to or greater than the width of the handrail 6 in the width direction of the handrail 6, and when it is placed on the handrail 6, the pair of grips 41 and 42 face each other. It has a length that allows the handrail 6 to be sandwiched in the width direction between the inner peripheral surfaces.

Assuming that the upper surface of the handrail 6 is a substantially flat surface, the lower surface of the main body 3 is a flat surface that forms a surface parallel to the upper surface of the handrail 6 when placed on the handrail 6. Or it has a curved surface close to a flat surface. The main body 3 itself has a flat plate shape or a curved plate shape.

The main body 3 supports at least one of the pair of grips 41 and 42, 41, in an adjustable distance between the opposing surfaces of the grips 41 and 42. When one grip portion 41 is movably supported by the main body portion 3 in the length direction thereof, the other grip portion 42 is integrated with the main body portion 3 as shown in FIG. 1 or the like, or one grip portion is integrated with the main body portion 3. Like 41, it is movably supported by the main body 3 in the length direction.

As shown in FIGS. 2 and 3- (a), the upper surface of the main body 3 is provided with convex portions 32 that are inserted into the insertion holes 7a formed on both sides of the covering sheet 7 in the width direction. The insertion hole 7a of the covering sheet 7 is dropped from above the convex portion 32, the convex portion 32 is inserted into the insertion hole 7a, and the covering sheet 7 is prevented from coming off, so that the covering sheet 7 is shown in FIG. Maintain the erected state as shown. Since the insertion holes 7a are formed at regular intervals in the length direction (circulation direction) of the handrail 6, the holding member 2 inserts the covering sheet 7 into the handrail 6 as shown in FIG. It is installed at a position corresponding to the position of the hole 7a. FIG. 6 shows a state in which the holding member 2 is installed on the handrail 6 of the escalator 5 shown in FIG.

1 and 3 show that when the convex portion 32 is a shaft portion of a screw (bolt) having a male screw formed on the entire length in the axial direction, the convex portion 32 (shaft portion) is welded or adhered to the upper surface of the main body portion 3. An example is shown in which the convex portion 32 is projected by screwing the convex portion 32 from the lower surface side of the main body 3 and projecting the convex portion 32 toward the upper surface side. The convex portion 32 does not necessarily have to be a screw, and may be a simple rod-shaped material. The method of projecting the convex portion 32 is not limited to these.

When a male screw is formed on the convex portion 32, the covering sheet 7 is dropped from above the convex portion 32, and a nut screwed into, for example, the male screw of the convex portion 32 in a state where the convex portion 32 is inserted into the insertion hole 7a. It is prevented from coming off by screwing 33. When the male screw is not formed on the convex portion 32, a cylindrical (nut-shaped) part into which the convex portion 32 can be fitted is dropped from the covering sheet 7 and pressed down as a weight or by using a magnetic force. It will be stopped by that. When magnetic force is used, a magnet is used for at least one of the cylindrical part and the main body 3, and a metal attracted (adsorbed) by the magnet is used for the other.

In FIG. 2- (a), the convex portions 32, 32 of the pair of holding members 2 and 2 in FIG. An example of tilting toward is shown. In this case, as shown in (b), for example, the tip (upper end) of the convex portion 32 is inserted into the insertion hole 7a and the nut 33 is screwed into the convex portion 32 as it is, or the nut-shaped part is inserted into the convex portion. By lowering along 32 and bringing the nut 33 and the like into close contact with the upper surface of the covering sheet 7, the insertion hole 7a is pulled from the widthwise center side of the covering sheet 7 toward both sides in the width direction, so that the covering sheet 7 is pulled in the width direction. Can be tensioned.

FIG. 3- (a) shows the details of the holding member 2 shown in FIG. The main body 3 is placed on the upper surface of the handrail 6 and has a substantially flat plate shape or a curved plate shape corresponding to the surface shape of the handrail 6. A grip portion 42 integrated with the main body portion 3 is continuously formed from one side in the length direction of the main body portion 3 downward. On the other side of the main body 3, a receiving portion 31 that supports the grip portion 41 that is movable in the length direction is continuously formed so as to face downward. FIG. 3- (b) shows the surface (side surface) of the grip portion 42 integrated with the main body portion 3.

A convex portion 32 for inserting into the insertion holes 7a formed on both sides in the width direction of the covering sheet 7 is provided at any position in the length direction of the upper surface of the main body portion 3. In the drawing, the convex portion 32 is projected on the opposite side of the parallel handrails 6 and 6 so that the covering sheet 7 can cover the entire handrail 6, but the projecting position does not matter. ..

A shaft member 44 such as a screw (bolt) that supports a grip portion 41 that is movable in the length direction penetrates (inserts) into the receiving portion 31 in the thickness direction, and the shaft member 44 is axially oriented with respect to the receiving portion 31. It is supported by the receiving portion 31 in a state where it can be moved freely and stopped at an arbitrary position. In FIG. 3- (a), a screw is used for the shaft member 44, and the nut 33 screwed to the shaft member 44 is locked (tied) to the receiving portion 31 to support the shaft member 44 so that it can be stopped at an arbitrary position. However, the shaft member 44 does not have to be a screw, and the means for stopping the shaft member 44 is not limited.

As shown in FIG. 3- (e), the receiving portion 31 is formed with an insertion hole 31a through which the shaft portion 44 is inserted or screwed. In the case of a screw, the shaft member 44 is stopped in a state of being positioned with respect to the main body portion 3 by locking the nut 45 screwed to the shaft member 44 from the front surface side or the back surface side of the receiving portion 31 to the receiving portion 31. And be restrained stably.

A grip portion 41 that is movable in the length direction of the main body portion 3 is connected to an end portion on the grip portion 42 side integrated with the main body portion 3, which is the tip end side of the shaft member 44. As shown in FIG. 3- (c), the grip portion 41 itself basically has a shape that is paired with the grip portion 42, but it is not always necessary. The "paired shape" means that the grip portions 41 and 42 are line-symmetrical as shown in FIGS. 1 and 2. In FIGS. 1 and 2, the upper portion of the movable grip portion 41 is shorter than the grip portion 42 so as not to come into contact with the main body portion 3, and in FIG. 3- (a), the bent portion of the grip portion 41 is the grip portion 42. Although it is located below the bent part, both have a substantially axisymmetric shape.

The grip portion 41 is connected to the tip of the shaft member 44 with some play, for example, by being integrated with the connecting member 43 as shown in FIGS. 3- (a) and 3- (d), thereby forming the shaft member 44. Supported by. The "state with play" means that the connecting member 43 is rotatable about an axis in an arbitrary direction with respect to the shaft member 44.

For example, the connecting member 43 has a curved surface portion integrated with the shaft member 44 side, and the tip of the shaft member 44 penetrates the curved surface portion to prevent the connecting member 43 from coming off so that the connecting member 43 can rotate around the shaft member 44. Be connected. In the "state with play", the grip portion 41 moves from the receiving portion 31 side to the one grip portion 42 side, and the grip portion 41 is appropriate (optimal) with respect to the shaft member 44. It is significant that the inner peripheral surface of the grip portion 41 can be brought into close contact with the surface of the handrail 6 in an angled state.

The opposing inner peripheral surfaces of the paired grips 41 and 42 have a partial polygonal shape so as to contact the surface of the handrail 6 at a plurality of points such as two points on the vertical cross section. Since the inner peripheral surface is polygonal, there is an advantage that it is difficult to rotate with respect to the surface of the handrail 6 with respect to the center on the cross section of the handrail 6, as in the case of surface contact.

1 …… Holding device,
2 …… Holding member,
3 …… Main body, 31 …… Receiving part, 31a …… Insertion hole, 32 …… Convex part, 33 …… Nut,
41 …… Grip part (movably supported by the main body), 42 …… Grip part (integrated with the main body), 43 …… Connection material, 44 …… Shaft material, 45 …… Nut,
5 ... Escalator, 6 ... Handrail,
7 ... Covering sheet, 7a ... Insertion hole,
8 …… The balustrade.

Claims (3)

It is attached to each of the parallel handrails of the escalator, and is provided with a pair of holding members for restraining the covering sheet erected between the parallel handrails and covering the escalator.
The holding member is paired with a main body portion placed on each of the handrails on both sides in the length direction of the main body portion, the handrail is sandwiched from both sides in the width direction, and the surface on the handrail side is formed. It has a pair of grips that are part of a polygonal shape ,
The main body supports at least one of the pair of grips so that the distance between the opposing surfaces of the grips can be adjusted.
An escalator holding device for a covering sheet, characterized in that convex portions for inserting into insertion holes formed on both sides in the width direction of the covering sheet are provided on the upper surface of the main body portion. It is attached to each of the parallel handrails of the escalator, and is provided with a pair of holding members for restraining the covering sheet erected between the parallel handrails and covering the escalator.
The holding member has a main body portion placed on each of the handrails and a pair of gripping portions which are paired on both sides in the length direction of the main body portion and sandwich the handrail from both sides in the width direction.
The main body supports at least one of the pair of grips so that the distance between the opposing surfaces of the grips can be adjusted.
Convex portions that are inserted into the insertion holes formed on both sides of the covering sheet in the width direction are projected on the upper surface of the main body portion, and the convex portions extend from the main body portion side to the tip side and are closer to both sides in the width direction of the escalator. A holding device for a covering sheet of an escalator, which is characterized in that it is inclined toward the center side from the escalator. The claim is characterized in that one of the pair of grip portions is integrated with the main body portion, and the other grip portion is movably supported by the main body portion in the length direction thereof. 1 or the holding device for a covering sheet of the escalator according to claim 2.

Images