JP5099735B2 - Telescopic handrail device - Google Patents

Description

  The present invention relates to a telescopic handrail device that can be suitably implemented as a handrail of a transition passage having an expansion joint structure provided between two adjacent buildings.

  FIG. 9 is a vertical sectional view showing a conventional telescopic handrail device 1, and this conventional technique is described in, for example, Patent Document 1. In order to enable mutual traffic between two adjacent buildings, each building is connected by a crossing passage. In order to prevent a passerby from falling and an object from falling, this extension passage is provided with telescopic handrail devices 1 on the left and right sides of the joint cover body 2 in the direction of passage perpendicular to the paper surface of FIG. .

  The telescopic handrail device 1 is disposed on the inner side of the passage (on the right side in FIG. 9), and is connected to a first handrail assembly 3 that is pivotally connected to one building by a hinge (not shown) around a vertical axis. The second handrail assembly 4 is disposed adjacent to the outside of the handrail assembly 3 (left side in FIG. 9) and is connected to the other building so as to be rotatable around a vertical axis by a hinge (not shown).

  In the first handrail assembly 3, both longitudinal end portions of the first upper chord material 5 and both longitudinal end portions of the first lower chord material 6 are connected by the first struts 7. A plurality of first rods 8 having an upper end connected to the first upper chord member 5 and a lower end connected to the first lower chord member 6 are provided.

  In the second handrail assembly 4, both longitudinal end portions of the second upper chord material 9 and both longitudinal end portions of the second lower chord material 10 are connected by the second support pillars 11. A plurality of second eaves bars 12 having an upper end connected to the second upper chord member 9 and a lower end connected to the second lower chord member 10 are provided.

  Guide grooves 14 and 15 are formed in the first and second upper chord members 5 and 9 so as to face each other. A slide core material 16 having an H-shaped cross section is inserted into the guide grooves 14 and 15, and the first and second upper chord materials 5 and 9 are formed by the slide core material 16 and the guide grooves 14 and 15. Are connected so as to be movable in the longitudinal direction.

  Further, guide grooves 17 and 18 are formed in the first and second lower chord members 6 and 10 so as to face each other. A slide core member 19 having an H-shaped cross section is inserted into the guide grooves 17 and 18, and the first and second lower chord members 6 and 10 are formed by the slide core member 19 and the guide grooves 17 and 18. Are connected so as to be movable in the longitudinal direction.

  When each building is relatively displaced in the direction of approaching and moving away due to a sudden earthquake, the first and second handrail assemblies 3 and 4 are displaced following the displacement of each building, but the first and second upper chord members 5 , 9 and the first and second lower chord members 6, 10 are movably connected by slide core members 16, 19 inserted into the respective guide grooves 14, 15; 17, 18. The relative displacement of the handrail assemblies 3 and 4 is allowed, the first and second handrail assemblies 3 and 4 are prevented from interfering with each other and damaged, and both sides of the passage are not opened even if an earthquake occurs. In this way, the safety of passers-by is ensured.

Japanese Patent Laid-Open No. 2001-220832

  In the prior art, the first and second handrail assemblies 3 and 4 move individually following each building against relative displacement in the direction in which the buildings approach and separate from each other due to a sudden earthquake. Therefore, the first and second handrail assemblies 3 and 4 can be prevented from interfering with each other. However, the first upper chord member 5 and the slide core member are prevented against relative displacement in the vertical and horizontal directions. 16, between the second upper chord material 9 and the slide core material 16, between the first lower chord material 6 and the slide core material 19, and between the second lower chord material 10 and the slide core material 19. Since the effective contact area that can transmit is small, the force acting as a load from the first handrail assembly 3 to the second handrail assembly 4 or from the second handrail assembly 4 to the first handrail assembly 3 is wide. Cannot be spread over a range and is locally large Stress will occur, the upper chord members 5,9, each lower chord members 6, 10 and each slide core 16 and 19 will be easily deformed.

  When the upper chord members 5 and 9, the lower chord members 6 and 10, and the slide core members 16 and 19 are deformed, the slide core members 16 and 19 are bitten at the deformed portions, and the initial deformation is caused. There is a problem that the handrail assemblies 3 and 4 are broken due to enlargement.

  Further, the upper chord members 5, 9, the lower chord members 6, 10 and the slide core members 16, 19 are deformed in part, and the upper chord members 5, 9, the lower chord members 6, 10, and the slide core members. If the parallelism of 16 and 19 is impaired, the next time an earthquake occurs, there will be a large gap between the upper chord members 5 and 9 and the slide core member 16 and between the lower chord members 6 and 10 and the slide core member 19. Friction may occur and seizure or biting may occur, and smooth relative movement may not be possible between the handrail assemblies 3 and 4, and there is a problem that reliability is low with respect to absorption of relative displacement. is there.

  An object of the present invention is to provide an extendable handrail device with improved reliability that can prevent deformation and breakage of the first and second handrail assemblies and allow relative displacement between the buildings. .

The present invention is a telescopic handrail device provided in a passage between two adjacent buildings through a gap,
Both longitudinal ends of the first upper chord member and both longitudinal end portions of the first lower chord member are connected by a pair of first struts, and an upper end portion is connected to the first upper chord member and a lower end between the first struts. There are provided a plurality of first rods whose parts are connected to the first lower chord material, and one first strut disposed at one longitudinal end of the first upper chord material and the first lower chord material rotates to one building A first handrail assembly which is freely locked;
Both ends in the longitudinal direction of the second upper chord member and both ends in the longitudinal direction of the second lower chord member are respectively connected by a pair of second struts, and an upper end portion is connected to the second upper chord member between the second struts and a lower end. A plurality of second eaves whose parts are connected to the second lower chord material are provided, and the second struts arranged at the other longitudinal ends of the second upper chord material and the second lower chord material are rotatable to the other building A second handrail assembly locked to
The first handrail assembly and the second handrail assembly are arranged parallel to each other and adjacent to each other in the horizontal direction,
The first handrail assembly is disposed closer to the central axis of the transition passage than the second handrail assembly,
The first upper chord member is integrally formed with an upper rail portion protruding in a direction approaching the second upper chord member,
The first lower chord material is integrally formed with a lower rail portion protruding in a direction approaching the second lower chord material,
In the second upper chord material, an upper guide groove into which the upper rail portion is movably fitted in the longitudinal direction is formed,
The second lower chord material is formed with a lower guide groove into which the lower rail portion is movably fitted in the longitudinal direction thereof,
Immediately below the other first support column is provided a guide roller movable on the crossing passage ,
The first upper chord member covers the upper end portion of each first support column and the upper end portion of each first eaves from above, and a first coping member in which the upper rail portion is integrally formed, and the first coping member Is mounted, and includes a first coping receiving member to which an upper end portion of each first support column and an upper end portion of each first eaves bar are coupled,
The second upper chord member covers the upper end portion of each second support column and the upper end portion of each second eaves from above, and a second coping member in which the upper guide groove is formed, and the second coping member is mounted. A telescopic handrail device comprising: a second cap receiving member to which an upper end portion of each second column and an upper end portion of each second bar are connected respectively .

Further, in the present invention, the first lower chord member is integrally formed with the lower rail portion on the first lower chord member main body to which the lower end portion of each first support column and the lower end portion of each first rod are connected,
In the second lower chord material, a guide groove forming portion having the lower guide groove is integrally formed on a second lower chord material main body to which a lower end portion of each second support column and a lower end portion of each second rod are connected. It is characterized by that.

According to the present invention, the first handrail assembly is disposed closer to the center axis of the crossing passage than the second handrail assembly, and the upper rail portion provided on the first upper chord member of the first handrail assembly is the second handrail assembly. A lower guide groove fitted into an upper guide groove provided in the second upper chord member of the body, and a lower rail portion provided in the first lower chord member of the first handrail assembly is provided in the second lower chord member of the second handrail assembly The first handrail assembly and the second handrail assembly are movably connected to each other along each rail portion, and a guide roller is provided directly below the other column of the first handrail assembly. because it is, such as by sudden earthquakes, also act a large force to the upper rail section and a lower rail section, is possible to generate a stress to disperse the force to a wide area of the first upper chord member and the first lower chord member And thereby the first upper chord material and the first lower chord material It is possible to reduce the stress generated by a load. As described above, since the stress generated when the first upper chord material and the first lower chord material are subjected to a load is reduced, the deformation due to the stress is reduced, and the first upper chord material and the first lower chord are less likely to cause plastic deformation such as residual strain. The material can be realized, the deformation and breakage of the first and second handrail assemblies can be prevented, the relative displacement between the buildings can be allowed for a long time, and the reliability can be improved.
In addition, since a guide roller that is movable on the crossing path is provided directly under the other support column, the guide roller causes the load of the first and second handrail assemblies, the load of the passerby leaning on the handrail, and the passerby's belongings. In addition, it can support the entire weight including the luggage and the like, and can smoothly move on the passageway to allow relative displacement between the buildings.

A first upper chord member was or, a first coping member on the rail portion are integrally formed, the first coping member is mounted, the upper end portion of the upper end and the first Tatezan of each first strut The second upper chord member is configured to be divided into a first cap member to be coupled, and the second cap member is formed with an upper guide groove, and the second cap member is mounted. Since it is divided into the upper end portion and the second headstock receiving member to which the upper end portion of each second bar is connected, it was not assumed at the time of designing from one of the first and second upper chord members to the other. Even if an excessive force acts to cause deformation or damage, it is only necessary to replace the deformed or damaged member, and it is not necessary to replace one or both of the first upper chord material and the second upper chord material. Maintenance management can be performed easily.

  Further, according to the present invention, the first lower chord member is integrally formed with the lower rail portion on the first lower chord member main body to which the lower end portion of each first support column and the lower end portion of each first rod are connected, and the second Since the lower chord material is integrally formed with a guide groove forming portion having a lower guide groove on the second lower chord material main body to which the lower end portion of each second support column and the lower end portion of each second rod are connected, the number of parts is reduced. Therefore, productivity and assembly are improved.

  FIG. 1 is a horizontal sectional view of a crossing passage 21 to which the telescopic handrail device 20 according to the embodiment of the present invention is applied. A gap C exists as a joint between two adjacent buildings A and B. In order to enable passage between the passages A1 and B1 of the buildings A and B via the gap C, the space between the buildings A and B Is provided with a passage 21. These buildings A and B are realized by a concrete structure, for example.

  The crossing passage 21 has a direction X (vertical direction in FIG. 1) in which the buildings A and B approach and separate from each other due to a sudden earthquake and the like, and a front-rear direction Y (vertical direction Y) on the horizontal plane in the approach and separation direction X. In order to allow relative displacement that occurs as a behavior in the direction in which the respective displacement components in the three orthogonal axes in the vertical direction Z (perpendicular to the paper surface in FIG. 1) perpendicular to the horizontal plane in FIG. An expansion joint structure called an expansion joint is used.

  Such a crossing passage 21 is erected on one side of the stretchable floor structure 22 that extends substantially horizontally between the passages A1 and B1 of the buildings A and B, and the front-rear direction Y of the stretchable floor structure 22. The telescopic handrail device 20 according to the present invention and the L-shaped handrail device 23 erected over the other side portion of the front-rear direction Y of the telescopic floor structure 22 and one building A are configured.

  2 is a side view of the telescopic handrail device 20 as viewed from the cutting plane line II-II in FIG. 1, and FIG. 3 is a cross-sectional view of the telescopic handrail device 20 as viewed from the cutting plane line III-III in FIG. The telescopic handrail device 20 includes a first handrail assembly 25 disposed on the inner side closer to the center axis L of the passage 21, that is, closer to the other side in the front-rear direction Y, and an outer side than the first handrail assembly 25 ( 2) and a second handrail assembly 26 arranged in parallel and adjacent to each other.

  The first handrail assembly 25 includes a first upper chord member 27, a first lower chord member 28, a pair of first struts 29 and 30, and a plurality of second struts 29 provided at intervals between the struts 29 and 30. 1 pier 31. Both longitudinal ends of the first upper chord member 27 and both longitudinal ends of the first lower chord member 28 are connected by the first struts 29 and 30, and the upper end portion is between the first struts 29 and 30. A plurality of first rods 31 connected to the first upper chord member 27 and having a lower end portion connected to the first lower chord member 28 are provided. The first support column 29 disposed at one longitudinal end of the first upper chord member 27 and the first lower chord member 28 is connected to one building A so as to be rotatable around a vertical axis by a pair of upper and lower hinges 33 and 34. Is done.

  The second handrail assembly 26 includes a second upper chord member 36, a second lower chord member 37, a pair of second struts 38, 39, and a plurality of second strut assemblies 38 spaced apart from each other. The second pier 40. Both longitudinal ends of the second upper chord member 36 and both longitudinal ends of the second lower chord member 37 are connected by second struts 38, 39, and the upper end portion is between the second struts 38, 39. A plurality of second rods 40 connected to the upper chord member 36 and having lower ends connected to the second lower chord member 37 are provided. The second support column 39 disposed at the other longitudinal end of the second upper chord member 36 and the second lower chord member 37 is rotatable about the vertical axis by the pair of upper and lower hinges 41 and 42 on the other building B. Connected.

  The stretchable floor structure 22 is provided between the floors 43 and 44 of the passages A1 and B1 of the buildings A and B. The stretchable floor structure 22 is configured such that, of the opposing wall portions 45 and 46 facing each other in the direction X in which the floors 43 and 44 are close to and away from each other, the bracket 47 and the anchor body 48 are attached to one opposing wall portion 45. A Y-axis guide rail 50 fixed in parallel to Y, a plurality of guide rollers 51 fitted and guided in the Y-axis guide rail 50, and the Y-axis guide rail 50 are fixed to the back surface facing the gap C. It includes a joint cover body 52 and an edge member 114 having an L-shaped cross section that is fixed to the side edge of the other building B and extends in the approaching and separating direction X.

The joint cover 52 is provided over the floor 43 and the other floor 44 of the building B of one of the building A. One end portion in the direction X in which the joint cover body 52 approaches and separates is disposed on the opposing wall portion 45 of the floor 43 of the one building A, and the plurality of guide rollers 51 are disposed in the front-rear direction on the back surface in the vicinity of the one end portion. Attached to Y at a distance.

  The other end portion in the approaching and separating direction X of the joint cover body 52 enters the distance corresponding to the distance ΔL in the approaching and separating direction X of the gap C from the facing wall portion 46 of the floor 45 of the other building B. It is supported movably in the state. Such joint cover body 52 is made of, for example, a stainless steel plate. Further, displacement of the joint cover body 52 in one of the front and rear directions Y (leftward in FIG. 1) is blocked by the edge material 114, and the joint cover body 52 is displaced in a direction in which it projects from the other building B. It is prevented.

FIG. 4 is an enlarged cross-sectional view taken along section line IV-IV in FIG. 2, and FIG. 5 is an enlarged cross-sectional view taken along section line III - III in FIG. The first upper chord member 27 is integrally formed with an upper rail portion 60 having a T-shaped cross section projecting in a direction close to the second upper chord member 36, and the first lower chord member 28 has a second lower chord member 28. A lower rail portion 61 having a T-shaped cross section that protrudes in a direction close to 37 is integrally formed. The second upper chord member 36 is formed with an upper guide groove 62 having a T-shaped cross section in which the upper rail portion 60 is movably fitted in the longitudinal direction thereof. The second lower chord member 37 has the lower rail portion 61 formed thereon. A lower guide groove 63 having a T-shaped cross section that is movably fitted in the longitudinal direction is formed.

  The first upper chord member 27 covers the upper end portions of the first struts 29 and 30 and the upper end portion of the first rods 31 from above, and the first upper chord member 27 has a reverse concave first shape in which the upper rail portion 60 is integrally formed. The headboard member 65 and the first headboard receiving member 66 to which the first headboard member 65 is attached and to which the upper end portions of the first struts 29 and 30 and the upper end portion of the first eaves bars 31 are respectively connected are included.

  The second upper chord member 36 covers the upper end portions of the second support columns 38 and 39 and the upper end portion of the second eaves bars 40 from above, and has a second concave base member having a reverse concave shape in which the upper guide groove 62 is formed. 67, and a second cap receiving member 68, to which the second cap member 67 is attached, and the upper ends of the second support columns 38 and 39 and the upper ends of the second rods 40 are connected to each other.

  The first lower chord material 28 includes a lower rail portion 61 on a first lower chord material main body 69 having a reverse concave shape in cross section, to which the lower ends of the first struts 29 and 30 and the lower ends of the first rods 31 are connected. It is formed integrally. The second lower chord material 37 is formed with a guide groove having the lower guide groove 63 in the second lower chord material main body 70 to which the lower end portions of the second support columns 38 and 39 and the lower end portions of the second rods 40 are connected. The part 71 is integrally formed.

  The first and second head members 65 and 67 and the first and second lower chord members 28 and 37 are made of extruded aluminum alloy. Further, each of the support columns 29, 30; 38, 39 and each of the eaves bars 31, 40 are made of extruded shapes made of stainless steel or aluminum alloy.

  A guide roller 72 that is movable on the joint cover body 52 is provided immediately below the support column 30 that is disposed near the other building B of the first lower chord material main body 69. The guide roller 72 supports the entire weight including the loads of the first and second handrail assemblies 25, 26, the belongings of the passerby who is leaning on the handrail and luggage, and smoothly moves on the joint cover body 52. The relative displacement in the direction X and the front-rear direction Y between the buildings A and B can be allowed.

  FIG. 6 is a horizontal sectional view of the L-shaped handrail device 23 as viewed from above. The L-shaped handrail device 23 includes a first movable handrail assembly 80 provided on the wall facing the passage B1 of the opposing wall 46 of the other building B so as to be movable in the approaching and separating directions X, and one building. A second movable handrail assembly 81 provided movably in the front-rear direction Y and end portions close to each other of the first and second movable handrail assemblies 80 and 81 are connected to the wall surface of the facing wall portion 45 of A. And a fastening member 82 having an L-shaped horizontal cross section.

  FIG. 7 is a cross-sectional view of the first movable handrail assembly 80 as viewed from section line VII-VII in FIG. 6. In the first movable handrail assembly 80, both longitudinal end portions of the upper chord member 83 and both longitudinal end portions of the lower chord member 84 are connected by struts 85, 86, and the upper end portion is the upper chord member between the struts 85, 86. A plurality of eaves bars 87 connected to 83 and having lower ends connected to the lower chord member 84 are provided.

  The upper chord member 83 covers the upper end portions of the columns 85 and 86 and the upper end portions of the eaves bars 87 from above, and is supported by the upper rail member 88 so as to be movable in the approaching and separating direction X. And the cap member 89 to which the cap member 89 is mounted, and the upper ends of the columns 85 and 86 and the upper end of the eaves 87 are connected to each other.

  The upper rail member 88 is made of a long aluminum alloy or steel material having an inverted L-shaped cross section, and the other of the upper rail member 88 is anchored by the anchor body 91 via a rubber sheet-like liner member 95 for absorbing irregularities on the wall surface. It is fixed to the wall surface 92 of the building B. The lower chord member 84 is made of an aluminum alloy or a steel material whose cross section is reverse concave, with the lower ends of the columns 85 and 86 and the lower ends of the rods 87 connected.

  FIG. 8 is a cross-sectional view of the second movable handrail assembly 81 as viewed from the section line VIII-VIII in FIG. 6. In the second movable handrail assembly 81, both longitudinal end portions of the upper chord member 100 and both longitudinal end portions of the lower chord member 101 are connected by struts 102, 103, and the upper end portion is an upper chord between the struts 102, 103. A plurality of eaves bars 104 connected to the material 100 and having lower ends connected to the lower chord material 101 are provided, and the headboard member 100 is moved to one building A in the front-rear direction Y by a pair of upper and lower guide rail members 105 and 106. Freely locked. Each of the guide rail members 105 and 106 is horizontally placed on the wall surface of the opposing wall portion 46 of one building A by the anchor bodies 107 and 108 through rubber sheet-like liner members 120 and 121 for absorbing irregularities on the wall surface. Fixed to.

  The upper chord member 100 is formed with an upper guide groove 110 into which the upper guide rail member 105 is movably fitted in the longitudinal direction thereof, and the lower chord member 101 is movably movable in the longitudinal direction thereof. A lower guide groove 111 to be fitted is formed. The upper chord member 100 covers the upper end portions of the columns 102 and 103 and the upper end portions of the crosspieces 104 from above, and a cap member 112 in which the upper guide groove 110 is formed, and the cap member 112 is mounted. It includes a headboard receiving member 113 to which the upper end portions of the columns 102 and 103 and the upper end portions of the respective crosspieces 104 are respectively connected.

  Next, in the crossing passage 21 configured as described above, each displacement component in the three orthogonal directions of the direction X, the front-rear direction Y, and the up-down direction Z in which the buildings A and B approach and leave each other due to a sudden earthquake A description will be given of the operation in the case where a relative displacement is generated by combining the two.

  Since the first and second telescopic handrail assemblies 25 and 26 are movable in the approaching and separating directions X, an upper rail portion 60 is integrally formed on the first upper chord member 27, and the first lower chord is formed. Since the lower rail portion 61 is integrally formed on the material 28, even if a large force acts on the upper rail portion 60 and the lower rail portion 61 due to a sudden earthquake or the like, the force is applied to the first upper chord material 27 and The stress can be generated by being distributed over a wide area of the first lower chord material 28, whereby the stress generated by the load on the first upper chord material 27 and the first lower chord material 28 can be reduced.

  Thus, since the stress generated by the first upper chord member 27 and the first lower chord member 28 is reduced, the deformation due to the stress is reduced, and the first upper chord member 27 and the plastic deformation such as residual strain are less likely to occur. Realizing the first lower chord material 28, preventing deformation and breakage of the first and second handrail assemblies 25, 26, allowing the relative displacement between the buildings A, B over a long period of time, and improving reliability Can be improved.

  In addition, according to the present embodiment, the first upper chord member 27 is attached to the first coping member 65 in which the upper rail portion 60 is integrally formed, and the first coping member 65 is mounted, 30 is divided into a first cap receiving member 66 to which the upper end of each first bar 31 is connected, and the second upper chord member 36 is a second in which an upper guide groove 62 is formed. The structure which divided | segmented into the 2nd sag receiving member 68 to which the 2nd sag member 67 with which this 2nd sag member 67 was mounted | worn and the upper end part of each 2nd support | pillar 38 and 39 and the upper end part of each 2nd bar 40 was connected was attached. Therefore, even if an excessive force that was not assumed at the time of design acts on one of the first and second upper chord members 27 and 36 to cause deformation or damage, the deformation or damage has occurred. It is only necessary to replace the member, and one of the first and second upper chord members 27 and 36 is replaced. There is no need to replace all of the both, it is possible to perform the maintenance easily.

  According to the present embodiment, the first lower chord member 28 has the lower rail portion 61 on the first lower chord member main body 69 to which the lower ends of the first struts 29 and 30 and the lower ends of the first rods 31 are connected. The second lower chord member 37 is integrally formed, and has a lower guide groove 63 in the second lower chord member main body 70 to which the lower end portions of the second pillars 38 and 39 and the lower end portions of the second rods 40 are connected. Since the guide groove forming portion 71 is integrally formed, the number of parts can be reduced, and the productivity and assemblability can be improved.

It is a horizontal sectional view of the connecting passage 21 to which the telescopic handrail device 20 according to the embodiment of the present invention is applied. It is a side view of the expansion-and-contraction handrail apparatus 20 seen from the cut surface line II-II of FIG. It is sectional drawing of the expansion-contraction handrail apparatus 20 seen from the cut surface line III-III of FIG. FIG. 4 is an enlarged cross-sectional view seen from a cutting plane line IV-IV in FIG. 2. It is the expanded sectional view seen from the cut surface line VV of FIG. It is the horizontal sectional view which looked at the L-shaped handrail device 23 from the upper part. It is sectional drawing of the 1st movable handrail assembly 80 seen from the cut surface line VII-VII of FIG. It is sectional drawing of the 2nd movable handrail assembly 81 seen from the cut surface line VIII-VIII of FIG. It is a vertical sectional view showing a telescopic handrail device 1 of the prior art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 20 Telescopic handrail device 21 Transition passage 22 Stretchable floor structure 23 L-shaped handrail device 25 1st handrail assembly 26 2nd handrail assembly 27 1st upper chord material 28 1st lower chord material 29,30 1st support | pillar 31 1st bar 33, 34; 41, 42 Hinge 36 Second upper chord material 37 Second lower chord material 40 Second eaves 43, 44 Floors 45, 46 of the passages A1, B1 Opposing walls 47 Bracket 48 Anchor body 50 Y-axis guide rail 51 Guide Roller 52 Joint cover body 60 Upper rail portion 61 Lower rail portion 62 Upper guide groove 63 Lower guide groove 65 First coping member 66 First coping member 67 67 Second coping member 68 Second coping member 69 First lower chord material main body 70 Second lower chord material main body 71 Guide groove forming portion 72 Guide roller 80 First movable handrail assembly 81 Second movable handrail assembly Connecting member A, B Building C Gap A1 B1 passage X toward and away from that direction Y longitudinal direction Z vertical direction

Claims (2)

A telescopic handrail device provided in a crossing passage between two adjacent buildings via a gap,
Both longitudinal ends of the first upper chord member and both longitudinal end portions of the first lower chord member are connected by a pair of first struts, and an upper end portion is connected to the first upper chord member and a lower end between the first struts. There are provided a plurality of first rods whose parts are connected to the first lower chord material, and one first strut disposed at one longitudinal end of the first upper chord material and the first lower chord material rotates to one building A first handrail assembly which is freely locked;
Both ends in the longitudinal direction of the second upper chord member and both ends in the longitudinal direction of the second lower chord member are respectively connected by a pair of second struts, and an upper end portion is connected to the second upper chord member between the second struts and a lower end. A plurality of second eaves whose parts are connected to the second lower chord material are provided, and the second struts arranged at the other longitudinal ends of the second upper chord material and the second lower chord material are rotatable to the other building A second handrail assembly locked to
The first handrail assembly and the second handrail assembly are arranged parallel to each other and adjacent to each other in the horizontal direction,
The first handrail assembly is disposed closer to the central axis of the transition passage than the second handrail assembly,
The first upper chord member is integrally formed with an upper rail portion protruding in a direction approaching the second upper chord member,
The first lower chord material is integrally formed with a lower rail portion protruding in a direction approaching the second lower chord material,
In the second upper chord material, an upper guide groove into which the upper rail portion is movably fitted in the longitudinal direction is formed,
The second lower chord material is formed with a lower guide groove into which the lower rail portion is movably fitted in the longitudinal direction thereof,
Immediately below the other first support column is provided a guide roller movable on the crossing passage ,
The first upper chord member covers the upper end portion of each first support column and the upper end portion of each first eaves from above, and a first coping member in which the upper rail portion is integrally formed, and the first coping member Is mounted, and includes a first coping receiving member to which an upper end portion of each first support column and an upper end portion of each first eaves bar are coupled,
The second upper chord member covers the upper end portion of each second support column and the upper end portion of each second eaves from above, and a second coping member in which the upper guide groove is formed, and the second coping member is mounted. A telescopic handrail device comprising: a second coping receiving member to which an upper end portion of each second support column and an upper end portion of each second eaves bar are respectively coupled . In the first lower chord material, the lower rail portion is integrally formed on a first lower chord material main body to which a lower end portion of each first support column and a lower end portion of each first rod are connected,
In the second lower chord material, a guide groove forming portion having the lower guide groove is integrally formed on a second lower chord material main body to which a lower end portion of each second support column and a lower end portion of each second rod are connected. claim 1 Symbol placement telescopic handrail device characterized Rukoto.

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