JP6732604B2 - Rail unit formation method - Google Patents

Description

The present invention relates to a method of forming a rail unit for running a sliding door.

In general, a gate for opening and closing is provided at a gate at the exterior of a building or at the boundary of a site. The means for opening and closing the gate include, for example, a mode in which the gate is rotatably attached to the gate pole and a mode in which the door is opened and closed by a sliding door that moves between the gate poles. Examples of the sliding door include a foldable shape and a shape elongated in the moving direction.

Among the gates, sliding doors are mainly installed at the entrances and exits of schools, factories, etc., and a form in which they run on rails buried at the installation location of sliding doors is often used. When installing this rail, generally, the installation site is excavated to provide an embedding site, and a filling material such as concrete or mortar is poured on the bottom surface of the embedding site to provide a foundation, and at the same time, anchor bolts, piles, etc. for alignment Is buried, then sleepers and rails are installed, and the last buried excavation site is buried with a filler so that the running surface of the rail and the upper surface of the filler are the same.

In rail installation, as shown in Patent Document 1, a gate rail in which a roller traveling surface on which a sliding door travels and an engaged surface on which an engagement fitting of a fall prevention unit of the sliding door is engaged are integrally formed, As shown in Patent Document 2, there is disclosed a guide rail in which a roller rail on which a roller of a sliding door rolls and a groove rail for receiving a fall-prevention metal fitting of the sliding door are respectively fitted and fixed to an embedded plate.

Japanese Utility Model Publication No. 8-474 Japanese Patent No. 4672512

By the way, since the gate rail described in Patent Document 1 is integrally formed, it is difficult to form a complicated shape, and the degree of freedom of the shape is limited. In the guide rail described in Patent Document 2, the groove rail and the roller rail are supported by the embedding plate. Usually, the groove rail and the roller rail have not only the shape but also the material and the unit length per unit length. Since the weights are often different, the pitches of the embedding plates that match the rails are not always the same, so it was difficult to set the embedding pitch of the embedding plates.

The present invention solves the above problems and provides a method of forming a rail unit having excellent workability when assembling sleepers and various rails at a construction site.

In order to achieve the above object, the present invention has the following configuration.
Or cover forming method rail unit according to the present invention, which are arranged along the sliding door rail erection step of bridging the sliding door rail between the sleepers were placed at intervals, and the sliding door rail, in the longitudinal direction of the sliding door rail is formed by the rail, the arrangement space formation step of forming a configuration space which overturn preventing portion of the sliding door is disposed a forming method including the rail unit, wherein the cover rail is positioned below the fall preventing portion and the lower surface portion of an upper surface portion, and a connecting portion connecting the upper surface portion and the lower surface portion, said location cavity forming step, a first mounting provided in vertically intermediate portion of the sliding door rail with placing the lower surface wherein a one side end portion of the cover rail section, and a cover rail placing step of placing the top surface portion to the second mounting portions to be erected on the sleepers, wherein in which it characterized in that it comprises a rail bonding step of bonding the sliding door rail and the lower surface portion which is placed on the first mounting portion.

According to the rail unit of the present invention, in the arrangement space forming step of forming the arrangement space in which the fall prevention portion of the sliding door is arranged, one side of the cover rail is attached to the mounting portion provided in the vertical middle portion of the sliding door rail. Since it includes the cover rail placing step of placing the end portion and the rail joining step of joining the cover rail and the sliding door rail placed on the above-described placing portion, regardless of the pitch of the sleepers, It is possible to set the pitch, and since it is possible to finely adjust the placement position after placing the cover rail on the placing portion, it is possible to perform construction while suppressing slack and distortion of the cover rail. ..

It is a front view showing an embodiment of a rail unit formed by a forming method concerning the present invention. It is an expanded sectional view of the principal part of the AA line of FIG. It is explanatory drawing of the rail erection process which erects a sliding door rail on a sleeper. It is explanatory drawing of the rail erection process which erects a sliding door rail on a sleeper. It is explanatory drawing of the rail erection process which erects a sliding door rail on a sleeper. It is explanatory drawing of a cover rail mounting process. It is explanatory drawing of a cover rail mounting process. It is explanatory drawing of a cover rail mounting process. It is explanatory drawing which shows the process of the finish of construction of a rail unit.

Next, the best mode for carrying out the present invention will be specifically described with reference to the drawings.

FIG. 1 is a front view showing an embodiment of a rail unit P formed by a forming method according to the present invention, and FIG. 2 is an enlarged cross-sectional view of a main part taken along the line AA of FIG. The rail unit P according to the present embodiment includes a sliding door rail 20 on which the sliding door 10 travels, a sleeper 30 on which the sliding door rail 20 is installed, and a fall prevention portion 11 of the sliding door 10 arranged along the longitudinal direction of the sliding door rail 20. A cover rail 50 that forms an arrangement space 40 to be arranged together with the sliding door rail 20 is provided.

The sliding door rail 20 has a traveling surface portion 21 having a traveling surface 21a on which the sliding door 10 travels, and a recess 22 that is open below the traveling surface portion 21 and laterally in the width direction of the sliding door 10. And a wide base portion 23 mounted and fixed on the sleeper 30.

The sliding door 10 has wheels 12 that roll on the running surface 21 a of the sliding door rail 20 and a fall prevention unit 11 that prevents the wheels 12 from coming off the sliding door rail 20. The fall prevention portion 11 is formed with a base portion 13 fixed to the sliding door 10, a locking portion 14 that can be arranged in the recessed portion 22, and a running surface portion 21 of the sliding door rail 20 that is spaced downward from the base portion 13. And a connecting portion 15 that is connected to the locking portion 14.

With this structure, even if the wheel 12 moves upward, the locking portion 14 can be locked to the lower surface of the traveling surface portion 21, so that the movement is restricted and the wheel 12 is less likely to come off the traveling surface 21a.

The fall prevention unit 11 is arranged in an arrangement space 40 formed by a sliding door rail 20 and a cover rail 50 arranged at a position facing the sliding door rail 20 with respect to the fall prevention unit 11.

The cover rail 50 is elongated along the longitudinal direction of the sliding door rail 20, and has a first mounting portion 24 provided at an intermediate portion in the up-down direction of the sliding door rail 20 and a second standing portion on the sleeper 30. Is installed between the mounting portion 31 and the mounting portion 31.

More specifically, the cover rail 50 is mounted on the first mounting portion 24 and is located on the lower surface portion 51 of the fall prevention portion 11 below the locking portion 14 and the second mounting portion 31. It is provided with an upper surface portion 52 that is placed on the upper surface of the sliding door rail 20 and a connecting portion 53 that connects the lower surface portion 51 and the upper surface portion 52 to each other. There is. Further, the lower surface portion 51 is joined to the sliding door rail 20.

With this structure, if the cover rail 50 is installed between the first placing portion 24 and the second placing portion 31, the arrangement space 40 can be easily formed by the sliding door rail 20 and the cover rail 50. it can.

The sliding door rails 20 are provided in two rows at intervals in the width direction with respect to the sleepers 30, and in the present embodiment, the overturn preventing portion 11 and the cover rail 50 of the sliding door 10 are outside the pair of sliding door rails 20. However, they may be arranged inside and can be appropriately set according to the installation place.

Next, an example of a construction procedure for the rail unit P will be described in detail with reference to FIGS. First, FIGS. 3 to 5 are explanatory diagrams of a rail erection process of erection of the sliding door rail 20 on the sleeper 30, FIG. 3 is an explanatory diagram before erection, FIG. 4 is an explanatory diagram after erection, and FIG. 5 is erected. It is explanatory drawing which shows the fixing method of the sliding door rail 20. First, as shown in FIG. 5, a hole 60 for digging and burying the installation location of the rail unit P is provided. Next, the sleepers 30 are installed in the holes 60 with a predetermined space. The sleepers 30 according to this embodiment have a pitch of about 1000 mm. In the present embodiment, the method of fixing the sleepers 30 is as follows. The foundations 61 are provided by pouring a filling material such as concrete or mortar into the bottoms of the holes 60, the piles 61a are erected at predetermined intervals on the foundations 61, and the sleepers 30 are attached to the piles 61a. The method of fixing is mentioned.

Subsequently, the sliding door rail 20 is installed between the sleepers 30. The sleeper 30 has a L-shaped cross section, and a vertical plate portion 32 for fixing the sleeper 30 via a pile (not shown) and a rail mounting on which the base portion 23 of the sliding door rail 20 is placed. A horizontal plate portion 33 having a surface 33a and a fixing portion 34 provided on the rail mounting surface 33a for fixing the sliding door rail 20 are provided. In the present embodiment, the fixing portion 34 has a pair of thin plate-shaped fixing pieces 35 that stand upright at intervals in the direction orthogonal to the sliding door rail 20. The sliding door rail 20 is inserted and placed between the fixing pieces 35, the fixing piece 35 is tilted to the sliding door rail 20 side, and the base portion 23 of the sliding door rail 20 is placed between the fixing piece 35 and the rail placement surface 33a. The sliding door rail 20 is fixed by sandwiching it.

6 to 8 are explanatory views of the cover rail mounting step, FIG. 6 is an explanatory view before mounting, FIG. 7 is an explanatory view after installation, and FIG. 8 is a side view illustrating the cover rail mounting step. Is. First, the cover rail 50 is arranged above the sleeper 30, moved in the Y direction, and the lower surface portion 51 of the cover rail 50 is mounted on the first mounting portion 24 of the sliding door rail 20 to remove the cover rail 50. The upper surface portion 52 is placed on the second placing portion 31 of the sleeper 30.

In the present embodiment, the plurality of first mounting portions 24 are provided at the bottom of the recess 22 of the sliding door rail 20 and along the longitudinal direction of the sliding door rail 20 at a predetermined pitch. The pitch of the 1st mounting part 24 which concerns on this form is about 500 mm.

With this structure, since the sliding door rail 20 provided with the first mounting portion 24 is a separate body from the sleepers 30, it is necessary to support the lower surface portion 51 of the cover rail 50 regardless of the pitch of the sleepers 30. The pitch can be set according to the number of the first mounting portions 24.

Further, with these structures, after the mounting work of the cover rail 50, the cover rail 50 can be removed and the mounting position can be finely adjusted, and since these works are easy, the workability is improved. ..

Then, the lower surface part 51 of the cover rail 50 and the sliding door rail 20 are joined. By this rail joining step, the installation position of the cover rail 50 with respect to the sliding door rail 20 can be fixed. The joining position is preferably in the vicinity of the first mounting portion 24, but is not particularly limited, and it is sufficient if the erected cover rail 50 does not easily move. In addition, welding is generally used as the joining means, and generally, it is easy to join the upper surface of the lower surface portion 51 of the cover rail 50 and the sliding door rail 20, and the cover rail 50 is the first mounting member. It is preferable because it can be firmly fixed by being sandwiched by the portion 24 and the joint portion. The joining method may use an adhesive instead of welding. In short, in the finishing process described below, it is sufficient that the poured filler does not cause a problem such that the cover rail 50 comes off the sliding door rail 20.

FIG. 9 is an explanatory diagram showing a finishing process of construction of the rail unit P. With respect to the rail unit P installed in the hole 60, the remaining space other than the arrangement space 40 is filled with the filler 62 in the hole 60. In the present embodiment, the height position of the upper end of the upper surface portion 52 of the cover rail 50 and the height position of the running surface 21a of the sliding door rail 20 are matched. This facilitates horizontal alignment of the vicinity of the sliding door rail 20 and the vicinity of the upper surface portion 52 of the cover rail 50 on the upper surface of the filling material.

According to the present invention, in the arrangement space forming step of forming the arrangement space 40 in which the fall prevention portion 11 of the sliding door 10 is arranged, the first placing portion 24 provided in the vertically intermediate portion of the sliding door rail 20 is covered. Since the cover rail mounting step of mounting one side end of the rail 50 and the rail bonding step of bonding the cover rail 50 mounted on the first mounting portion 24 and the cover rail 50 are included, It is possible to set the pitch of the first mounting portion 24 regardless of the pitch of the sleepers 30, and after mounting the cover rail 50 on the first mounting portion 24, the mounting position is slightly changed. Adjustment is possible, and the construction can be performed while suppressing the slack and distortion of the cover rail 50.

INDUSTRIAL APPLICATION This invention can be widely utilized in the formation method etc. which form the rail unit which a sliding door runs, when installing a sliding door.

DESCRIPTION OF SYMBOLS 10 Sliding door 11 Wheel 12 Fall prevention part 13 Base part 14 Locking part 15 Connecting part 20 Sliding door rail 21 Running surface part 21a Running surface 22 Recessed part 23 Base part 24 First mounting part 30 Sleeper 31 Second mounting part 32 Vertical plate Part 33 Horizontal plate part 33a Rail mounting part 34 Fixing part 35 Fixing piece 40 Arrangement space 50 Cover rail 51 Lower surface part 52 Upper surface part 53 Connecting part 60 Hole 61 Foundation 61a Pile 62 Filling material P Rail unit

Claims (1)

A sliding door rail installation process of installing a sliding door rail between the sleepers installed at intervals,
Said sliding door rail is formed by a cover rail which is arranged along the longitudinal direction of the sliding door rail, forming an arrangement space formation step of forming a configuration space which overturn preventing portion of the sliding door is arranged in including rail unit Method ,
The cover rail includes a lower surface portion that is located below the fall prevention portion, an upper surface portion, and a connecting portion that connects the lower surface portion and the upper surface portion,
In the arrangement space forming step,
With placing the one the lower surface is a side end portion of the vertically intermediate portion the cover rail in the first mounting portion provided on the sliding door rail, a second mounting erected on the sleepers A step of placing the cover rail on the upper portion ,
Method of forming a rail unit, characterized in that it comprises a rail bonding step of bonding the sliding door rail and said lower surface portion which is placed on the first mounting portion.

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