JP2007062949A - Guide rail supporting structure and guide rail supporting method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a guide rail supporting structure capable of stably supporting a guide rail. <P>SOLUTION: This guide rail supporting structure 10 supports a guide rail 19 in an elevator elevator shaft 8 in a house 7. The guide rail supporting structure 10 comprises a plurality of fixing means 20 fixed to a house structure 9, guide rail supporting members 11 connected with a plurality of the fixing means 20 and separated from the house structure 9, and a guide rail 19 supported by the guide rail supporting member 11. The guide rail supporting member 11 extends along the guide rail 19. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a guide rail support structure and a guide rail support method for supporting a guide rail in an elevator hoistway provided in a building.

  As shown in FIG. 10, in order to guide the movement of the elevator car 32 and the counterweight 34, a guide rail 19 extending along the moving direction of the elevator car 32 and the counterweight 34 is provided to the building 7. It is supported in the elevator hoistway 8 provided.

  FIG. 11 is a side view for explaining a conventional example of a method of supporting the guide rail 19 in the elevator hoistway 8. In this method, a guide rail support member 11 extending in the ascending / descending direction is directly attached between the building beams 9 forming the structure of the building as a preliminary work for the elevator installation location. The fastener 21 is attached to the building beam 9 and the bracket 27 is attached to the guide rail support member 11. Thereafter, the guide rail 19 is fixed to the bracket 27 attached to the fastener 21 or the guide rail support member 11 via the rail bracket 28 or the like.

  In such a method, by attaching and fixing the brackets to the guide rail support members at regular intervals, the guide rails can be connected and fixed to the guide rail support members at regular intervals along the elevation direction. Thus, the guide rail can be stably supported.

  However, it is impossible to directly attach the guide rail support member between the building beams because of the condition of the building side such as space problems, and this guide rail support method may not be used.

  Further, the guide rail support member may not be exposed in the elevator hoistway after completion of the construction of the building or when installing the elevator. In this case, even if the guide rail support member can be attached, if the mounting of the bracket or the like to the guide rail support member in the prior construction is inappropriate in terms of position, quantity, etc., the guide rail support member is used. The guide rail cannot be properly supported.

  The present invention has been made in consideration of such points, and a guide rail support member extending along the lifting direction is provided in the elevator hoistway of the building regardless of the conditions on the side of the building or the state of prior construction. It is an object of the present invention to provide a guide rail support structure and a guide rail support method that can be installed and thereby can stably support the guide rail.

  The present invention relates to a guide rail support structure for supporting a guide rail in an elevator hoistway in a building, a plurality of fixing means attached to the building structure, and a plurality of fixing means connected to the structure. A guide rail support structure, comprising: a guide rail support member installed at a distance; and a guide rail attached to the guide rail support member, wherein the guide rail support member extends along the guide rail. is there. According to the present invention, the guide rail support member extending along the lifting direction can be installed in the elevator hoistway of the building regardless of the conditions on the building side or the state of prior construction, thereby The guide rail can be supported stably.

  In the guide rail support structure according to the present invention, the guide rail support member may have a recess. According to the present invention as described above, for example, the wiring and piping disposed in the elevator hoistway can be accommodated in the recess of the guide rail support member. Thereby, the space in an elevator hoistway can be used effectively.

  In the guide rail support structure according to the present invention, the guide rail may be attached to the guide rail support member via attachment means. According to such this invention, a guide rail can be easily attached to a guide rail support member.

  In the guide rail support structure according to the present invention, a notch may be formed in at least one of the guide rail support member and the fixing means in the vicinity of the connection portion between the guide rail support member and the fixing means. According to such this invention, a guide rail support member can be installed on the building structure side in an elevator hoistway. Thereby, the space in an elevator hoistway can be used effectively and the inside of an elevator hoistway can be saved.

  In the guide rail support structure according to the present invention, the guide rail support member may be a square pipe. According to the present invention, the guide rail support member has a relatively high bending rigidity with respect to its weight. Therefore, the guide rail can be easily handled during construction and the like, and the guide rail can be supported more stably by suppressing the deformation of the guide rail support member.

  In the guide rail support structure according to the present invention, a car guide rail and a counterweight guide rail may be attached to the guide rail support member. According to the present invention, the car guide rails and the balancing guide rails can be attached to the guide rail support members according to the appropriate locations and the number of connecting points according to each. Accordingly, the counterweight guide rail and the car guide rail can be stably supported in an appropriate state.

  In the guide rail support structure according to the present invention, the guide rail support member may be formed of a plurality of steel materials. According to the present invention as described above, the guide rail support member has high rigidity, whereby the support rail can be supported more stably.

The present invention relates to a guide rail support method for supporting a guide rail in an elevator hoistway in a building, the step of attaching a plurality of fixing means to the building structure, and connecting the plurality of fixing means and the guide rail support member. A step of installing the guide rail support member apart from the building structure, and a step of attaching the guide rail to the guide rail support member.
The guide rail support member is installed so as to extend along the guide rail. According to the present invention, the guide rail support member extending along the lifting direction can be installed in the elevator hoistway of the building regardless of the conditions on the building side or the state of prior construction, thereby The guide rail can be supported stably.

  According to the present invention, the guide rail supporting member extending along the lifting direction can be installed in the elevator hoistway of the building regardless of the conditions on the side of the building or the state of prior construction. Can be stably supported.

  Embodiments of the present invention will be described below with reference to the drawings.

<First Embodiment>
First, a first embodiment of a guide rail support structure and a guide rail support method according to the present invention will be described with reference to FIGS. 1 and 2. 1 is a side view illustrating a guide rail support structure and a guide rail support method, and FIG. 2 is a cross-sectional view illustrating a guide rail support member and a guide rail support method.

  As shown in FIG. 1, the guide rail support structure 10 is installed with a plurality of fixing means 20 fixed to the building structure 9 and connected to the plurality of fixing means 20 so as to be separated from the building structure 9. A guide rail support member 11 and a guide rail 19 supported by the guide rail support member 11 are provided. The guide rail 19 is disposed adjacent to the car 32 and the counterweight 34 (FIG. 10), and extends along the up-and-down direction, that is, the moving direction of the car 32 and the counterweight 34. Such a guide rail 19 engages with a roller (not shown) or the like provided on the car 32 and the counterweight 34 and guides the movement of the car 32 and the counterweight 34 in the up and down direction.

  As shown in FIG. 1, the guide rail 19 is connected and fixed to the guide rail support member 11 via an attachment means 26. In the example shown in FIG. 1, the attachment means 26 includes a rail bracket 28 connected and fixed to the guide rail 19, and a rail bracket receiver 27 connected and fixed to the guide rail support member 11. These rail brackets 28 and rail bracket receivers 27 constituting the mounting means 26 are made of, for example, a flat steel material, a steel material having a U-shaped cross section (channel material), a steel material having an L-shaped cross section (angle shape), or the like. Can be formed. The connection position and the number of connection points of the guide rail 19 to the guide rail support member 11 via the mounting means 26 are particularly limited as long as the guide rail 19 can be stably supported by the guide rail support member 11. Not. The method of fixing the rail bracket 28 to the guide rail 19, the method of fixing the rail bracket receiver 27 to the guide rail support member 11, the method of fixing the rail bracket 28 and the rail bracket receiver 27, etc. include bolts and nuts. Methods such as fastening using and welding and welding can be employed.

  The fixing means 20 includes a fastener 21 fixedly attached to the building structure 9 and a guide rail support member bracket 22 connected and fixed to the guide rail support member 11. These fasteners 21 and guide rail support member brackets 22 constituting the fixing means 20 may be formed of, for example, a flat steel material, a steel material having a U-shaped cross section, a steel material having an L-shaped cross section, or the like. Moreover, the fixing method to the building structure 9 of the fastener 21, the fixing method to the guide rail support member of the bracket 22 for guide rail support members, the fixing method between the fastener 21 and the bracket 22 for guide rail support members, etc. Can employ methods such as fastening using bolts and nuts and welding.

  As shown in FIG. 1, in the present embodiment, the fixing means 25 is attached and fixed to H steel (H-shaped steel) forming the beam of the building 7 as the building structure 9. It is not restricted to it, You may attach and fix to the structural wall etc. as the building structure 9.

  As shown in FIG. 1, the guide rail support member 11 extends along the guide rail 19 in parallel with the guide rail 19. The guide rail support member 11 is formed of, for example, a flat steel material, an H steel having an H-shaped cross section, a steel material having a U-shaped cross section (channel material), a steel material having an L-shaped cross section (angle shape), or the like. obtain. The shape of the guide rail support member 11 is not particularly limited as long as the guide rail 19 can be stably supported, but preferably has a recess 16 extending along the longitudinal direction thereof.

  FIG. 2 shows a cross section of a preferable guide rail as an example. FIG. 2A shows a guide rail support member 11 made of H steel, which is a cross section taken along the line II-II in FIG. 1, and FIG. 2B is a guide made of steel having a U-shaped cross section. It is sectional drawing similar to Fig.2 (a) which shows the rail support member 11b, Comprising: FIG.2 (c) is similar to Fig.2 (a) which shows the guide rail support member 13 which consists of steel materials which have a cross-sectional L shape. It is sectional drawing. Each of the guide rail support members 11, 12, 13 shown in FIGS. 2A to 2C has a recess 16. When the guide rail support member has the recess 16 along the longitudinal direction thereof, the wiring and piping disposed along the lift direction in the elevator hoistway 8 are accommodated in the recess 16 of the guide rail support member 11. be able to. In this case, the space in the elevator hoistway 8 can be used effectively, and since the interior of the elevator hoistway 8 is organized, safety during maintenance work can be improved.

  Although FIG. 1 shows an example in which the guide rail support member 11 is connected and fixed to the building structure 9 via the fixing means 20 at two locations near the upper end and near the lower end, it is not limited thereto. You may change a connection position and the number of connection places according to the condition of a building.

  Next, a method (procedure) for supporting the guide rail 19 in the elevator hoistway 8 provided in the building 7 using such a guide rail support structure 10 will be described.

  First, as a preliminary work before installing the elevator, for example, during the construction of the building 7, the fixing means 20 is attached to the building structure 9. As described above, the attachment position and the number of attachments of the fixing means 20 to the building structure 9 are determined so that the guide rail support member 11 can be stably supported by the building structure 9.

  The fixing means 20 is attached so that at least a part of the fixing means 20 protrudes into the elevator hoistway 8 or protrudes into a region to be the elevator hoistway 8 to be completed later. In this range, the fixing means 20 attached at this time does not have to be all the constituent members including the rail bracket 28 and the rail bracket receiver 27 described above, and is attached in direct contact with the building structure 9, for example. Only a member may be sufficient.

  Only the mounting work of the fixing means 20 is performed as pre-construction work prior to the installation of the elevator, and the subsequent work is performed, for example, in the construction work of the civil engineering or the like of the building 7 itself. Done. Therefore, during the subsequent work, the building structure 9 may not be exposed in the elevator hoistway 8 due to a decorative wall or the like.

  Next, the guide rail support member 11 is attached to the building structure 9 via the fixing means 20. In this case, even if the building structure 9 is not exposed in the elevator hoistway 8, the guide rail support member 11 is fixed because at least a part of the fixing means 20 is exposed in the elevator hoistway 8. It can be attached to the means 20 and connected to the building structure 9 via the fixing means 20. In addition, as mentioned above, when the fixing means 20 previously attached to the building structure 9 is a part of the constituent elements of the fixing means 20, all or part of the remaining constituent members of the fixing means 20 Is attached to the guide rail support member 11 in advance, and the guide rail support member 11 to which a part of the fixing means 20 is attached and fixed is connected to some of the components of the fixing means 20 protruding into the elevator hoistway 8. May be. In this way, the guide rail support member 11 is installed in the elevator hoistway 8.

  Thereafter, the guide rail 19 is attached to the guide rail support member 11 via the attachment means 26. The attachment position and the attachment quantity of the attachment means 26 are determined so that the guide rail 19 can be stably supported by the guide rail support member 11.

  As described above, when the guide rail support member 11 having the recess 16 is used, the recess 16 of the guide rail support member 11 installed in the elevator hoistway 8 is placed in the elevator hoistway 8. It is preferable to fix the wiring and piping to be disposed.

  As described above, the guide rail 19 can be supported in the elevator hoistway 8 provided in the building 7 by the guide rail support structure 10 described above.

  According to this embodiment, the guide rail support member 11 extending along the lifting / lowering direction is installed in the elevator hoistway 9 of the building 7 regardless of the conditions on the building side or the state of prior construction. Can do. The guide rail 19 can be connected to the guide rail support member 11 at an appropriate position via an appropriate number of attachment means 26. For example, the guide rail 19 can be firmly fixed to the guide rail support member 11 at regular intervals along the ascending / descending direction using a large number of attachment means 26 on the upper floor. Therefore, the guide rail 19 can be stably supported by the guide rail support member 11.

  In the present embodiment, the guide rail support member 11 has the recess 16, and the wiring and piping disposed in the elevator hoistway 8 can be accommodated in the recess 16. Therefore, the space in the elevator hoistway 8 can be used effectively, and the interior of the elevator hoistway 8 is arranged, which is preferable in terms of safety during maintenance work.

  In the present embodiment, the example in which the guide rail 19 is supported by the guide rail support member 11 via the attachment means 26 has been described, but the present invention is not limited to this. For example, when the guide rail support member 11 has a flat surface facing the guide rail 19, the attachment means 26 can be omitted and the guide rail 19 can be directly and stably attached to the guide rail support member 11.

<Second Embodiment>
Next, a second embodiment of the guide rail support structure and the guide rail support method according to the present invention will be described with reference to FIGS.

  The second embodiment shown in FIGS. 3 and 4 differs only in the configuration of the connecting portion between the guide rail support member and the fixing means 20, and the other is the first embodiment described with reference to FIGS. This is substantially the same as the embodiment. 3 and 4, the same parts as those in the first embodiment shown in FIGS. 1 and 2 are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 4, the guide rail support member 11 in the present embodiment includes a flat plate portion 11 a disposed on the side (hoistway wall side) facing the building structure 9, and an elevator on the opposite side. It consists of H steel which has the flat plate part 11b arrange | positioned at the hoistway 8 side, and the connection flat plate part 11c which connects between both flat plate parts 11a and 11b. 3 and 4, in the vicinity of the connecting portion with the fixing means 20, the flat plate portion 11a on the side facing the building structure 9 and the connecting flat plate portion adjacent to the flat plate portion 11a A notch 18 for removing a part of 11c is formed in the guide rail support member 11.

  On the other hand, as shown in FIG. 4, the guide rail beam support bracket 22 of the fixing means 20 fixed to the guide rail support member 11 also has a portion corresponding to the connecting flat plate portion 11 c of the guide rail support member 11. The provided cutout 22a is formed.

  The guide rail support member bracket 22 having such a configuration is fixed in contact with the flat plate portion 11b on the elevator hoistway 8 side. That is, as shown in FIG. 4, the connecting portion 22 b of the fixing means 20 with the guide rail support member 11 is higher than the end portion 11 d of the guide rail support member 11 on the building structure 9 side. It is arranged on the center side. Therefore, the guide rail support member 11 can be installed closer to the building structure 9 side, in other words, closer to the hoistway wall surface, and the space in the narrow elevator hoistway 9 can be effectively used or saved. To be able to.

  In addition, since the fixing means 20 and the guide rail support member 11 can be engaged with each other, the guide rail support member 11 and the fixing means 20 can be fixed easily and firmly. The guide rail support member 11 made of a steel material having high bending rigidity (secondary moment of section) can be easily and stably installed by having a complicated shape.

  In the present embodiment, the example in which the notches 22a and 18 are provided in both the fixing means 20 and the guide rail support member 11 is shown, but the present invention is not limited to this, and the notch is provided in only one of them. Also good. Moreover, although the example which used H steel as the guide rail support member 11 was shown, it is not restricted to this, Various shapes, for example, cross-sectional U-shape (FIG.2 (b)) and cross-section L as the guide rail support member 11 are shown. A steel material or the like having a letter shape (FIG. 2C) can be used. Even in these cases, by appropriately changing the shape of the notch provided in the guide rail support member 11, the above-described operational effects of the present embodiment can be achieved.

<Third Embodiment>
Next, a third embodiment of the guide rail support structure and the guide rail support method according to the present invention will be described with reference to FIGS.

  The third embodiment shown in FIGS. 5 and 6 is different from the first embodiment described with reference to FIGS. 1 and 2 except for the cross-sectional shape of the guide rail support member. is there. 5 and FIG. 6, the same parts as those in the first embodiment shown in FIG. 1 and FIG. 2 are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 6, in the present embodiment, the guide rail support member 14 is a square pipe.

  A square pipe has a relatively high bending stiffness (second moment of section) with respect to its cross-sectional area. Therefore, according to the present embodiment, it is possible to stably support the guide rail 19 by using the low-weight guide rail support member 14 that is advantageous in transportation and easy to handle.

  As shown in FIG. 6, the guide rail support member 14 has a flat surface on the side facing the guide rail 19 (the elevator hoistway side). Therefore, the guide rail 19 can be easily and firmly attached and fixed to the guide rail support member 14 without using the attachment means 26. Thereby, the guide rail 19 can be stably supported in the elevator hoistway 8. In addition, since the amount of protrusion of the guide rail 19 from the hoistway wall surface can be reduced, the space in the elevator hoistway 8 can be effectively used or saved.

  Note that the notches described in the second embodiment shown in FIGS. 3 and 4 can also be applied to this embodiment.

<Fourth embodiment>
Next, a fourth embodiment of the guide rail support structure and the guide rail support method according to the present invention will be described with reference to FIGS.

  The fourth embodiment shown in FIGS. 7 to 9 is suitable when the car guide rail 19a and the counterweight guide rail 19b are supported in the elevator hoistway 8 in a state where they are close to each other. There are many parts identical to those of the first embodiment described with reference to FIGS. 7 to 9, the same parts as those in the first embodiment shown in FIGS. 1 and 2 are denoted by the same reference numerals, and detailed description thereof is omitted.

  In FIG. 9, a car 32 and a counterweight 34 are arranged adjacent to each other, and are supported in the elevator hoistway 8 in a state where the car guide rail 19a and the counterweight guide rail 19b are close to each other. An example of the case is shown. In this case, the guide rail support structure 10 shown in FIG. 7 can be used. In the guide rail support structure 10 shown in FIG. 7, a guide rail support member 11 made of one H steel, a car guide rail 19a and a counterweight guide rail 19b are respectively connected to a rail bracket 28 and a rail bracket. It is supported via fixing means 20 comprising a receiver 27.

  In the conventional method, particularly when the building structure 9 is not exposed in the elevator hoistway 8 after completion of the elevator pre-construction work, a bracket or the like protruding into the elevator hoistway 8 is balanced with the car guide rail 19a. The guide rail 19b is connected at the same height direction position (the same up-and-down direction position). If the guide rail support structure 10 of this Embodiment is used, the guide rail support member 19a and the balance weight guide rail 19b will be made independent from each other by the connection position and the number of connection places suitable for each. 11 can be connected. Further, since the degree of freedom of the connecting position is increased, it is possible to avoid interference with other devices installed in the elevator hoistway 8 when connecting the guide rails 19a and 19b to the guide rail support member 11. It becomes easy. Thereby, the freedom degree of selection of the installation place of the guide rail support member 11 itself in the elevator hoistway 8 also increases.

  In this embodiment, the guide rail support member 11 supports the two guide rails 19a and 19b. However, the present invention is not limited to this, and supports three or more guide rails depending on the situation. You may do it.

  Moreover, in this Embodiment, although the guide rail support member 11 showed the example which consists of one H steel, it is not restricted to this. As long as the plurality of guide rails 19a and 19b can be stably supported, a guide made of a steel material having a U-shaped cross section (FIG. 2B) or an L-shaped cross section (FIG. 2C). The rail support member or the guide rail support member 14 formed of a square pipe described in the third embodiment (FIGS. 5 and 6) can be appropriately changed. Further, as shown in FIG. 8, the guide rail support member 15 may be formed by a plurality of steel materials 15 a and 15 b connected to each other by the fixing means 20.

  Further, the notches described in the second embodiment shown in FIGS. 3 and 4 can be applied to this embodiment.

The side view explaining 1st Embodiment of the guide rail support structure and guide rail support method by this invention. Sectional drawing explaining 1st Embodiment of a guide rail support member and a guide rail support method. The side view explaining 2nd Embodiment of a guide rail support structure and a guide rail support method. The top view explaining 2nd Embodiment of a guide rail support structure and a guide rail support method. The side view explaining 3rd Embodiment of a guide rail support structure and a guide rail support method. Sectional drawing along the VI-VI line of FIG. The top view explaining 4th Embodiment of a guide rail support structure and a guide rail support method. The top view which shows the modification of 4th Embodiment. The top view which shows the positional relationship with a passenger car and a balance weight. Sectional drawing which shows an example of the elevator hoistway in a building. The side view explaining an example of the conventional support method of the guide rail in an elevator hoistway.

Explanation of symbols

7 Building 8 Elevator hoistway 9 Building structure 10 Guide rail support structure 11, 12, 13, 14, 15 Guide rail support member 16 Recess 18 Notch 19 Guide rail 19a Car guide rail 19b Balance rail guide rail 20 Fixing means 26 Mounting means

Claims (8)

In the guide rail support structure that supports the guide rail in the elevator hoistway in the building,
A plurality of fixing means attached to the building structure;
A guide rail support member connected to the plurality of fixing means and installed apart from the building structure;
A guide rail attached to the guide rail support member,
A guide rail support structure, wherein the guide rail support member extends along the guide rail.   The guide rail support structure according to claim 1, wherein the guide rail support member has a recess.   The guide rail support structure according to claim 1 or 2, wherein the guide rail is attached to the guide rail support member via an attaching means.   The notch is formed in at least one of the guide rail support member and the fixing means in the vicinity of the connecting portion between the guide rail support member and the fixing means. Guide rail support structure as described.   The guide rail support structure according to any one of claims 1 to 3, wherein the guide rail support member is a square pipe.   The guide rail support structure according to any one of claims 1 to 5, wherein a guide rail for a car and a guide rail for a weight are attached to the guide rail support member.   The guide rail support structure according to claim 6, wherein the guide rail support member is formed of a plurality of steel materials. In the guide rail support method for supporting the guide rail in the elevator hoistway in the building,
Attaching a plurality of fixing means to the building structure;
Connecting the plurality of fixing means and the guide rail support member, and installing the guide rail support member away from the building structure;
Attaching the guide rail to the guide rail support member,
A guide rail support method, wherein the guide rail support member is installed so as to extend along the guide rail.

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