TW201741223A - Guide rail supporting apparatus and guide rail supporting method - Google Patents

Abstract

The present invention is to apply a guide rail supporting apparatus and a guide rail supporting method which are capable of support guide rail temporarily so as to change the joint plate of the guide rail easily. The guide rail supporting apparatus has: a rail backing that supports a guide rail having rail member connected in the vertical direction, be fixed along the rail member so as to not overlapping the joint plate; a pressing part of a fixed shoe, pressing the guide rail to the rail backing; a side contactor and a movable shoe that clamp the guide rail from two sides of the width direction which is different with the depth direction, the depth direction is the direction that the guide rail be pressed.

Description

Rail support device and guide rail support method

The present invention relates to a rail support device and a rail support method that support a guide rail for guiding an elevator to move up and down.

The guide rails of the hoistway provided in the elevator guide the elevator car to move up and down, and a plurality of rail members are connected to each other through the joint plate in the vertical direction. Here, in the case of the modernization of the earthquake-resistant reinforcement of the elevator equipment, that is, during the modification or maintenance, the joint plate sometimes has to be replaced. When the joint plate is removed at the time of replacement, the guide rail must be temporarily supported so that the positions of the rail members are not offset from each other, and the positions of the upper and lower rail members are maintained.

Patent Document 1 describes a center correction device that is fixed to a flange of a guide rail during a connection work of a guide rail, and presses a side portion of a flange of the support rail with a jack bolt. This allows the upper and lower rail members to be center-corrected with each other.

(previous technical literature) (Patent Literature)

Patent Document 1: Japanese Laid-Open Patent Publication No. 60-151875

However, when the joint plate is removed from the guide rail, the center correction device of Patent Document 1 supports only the side portion of the guide rail. Therefore, when a large load acts on the guide rail, the position of the upper and lower rail members cannot be sufficiently maintained. . Therefore, when the joint plate of the guide rail is replaced in the field, in order to prevent the load from being applied to the guide rail, it is necessary to lift the elevator car from above and perform the replacement work while assembling the dedicated work frame, which may cause time and expense.

The present invention has been made in order to solve such a problem, and an object thereof is to provide a rail supporting device and a rail supporting method capable of temporarily supporting a guide rail so as to easily replace a joint plate of a guide rail.

In order to solve the above problems, the rail supporting device of the present invention supports a rail that guides the movement of the elevator car in the vertical direction and has a plurality of rail members that are respectively connected to the vertical direction through the joint plate. The utility model has a track pad which is fixed by at least two track members which are connected to each other in an up-and-down direction, and is disposed not to overlap with the joint plate; the pressing portion presses the guide rail against the track pad; The holding portion sandwiches the guide rail from both sides in a direction different from the pressing direction of the pressing portion by the pressing portion.

In addition, the guide rail of the rail support device of the present invention has a a flange portion that fixes the joint plate, and a convex head portion that protrudes from the flange portion and guides movement of the elevator in the up-down direction, and the rail pad is fixed to the flange portion; the pressing portion is convex The head is pressed in the pressing direction, and the nip portion may be sandwiched between both side faces of the convex head in a direction orthogonal to the vertical direction and orthogonal to the pressing direction.

Further, the rail pad, the pressing portion, and the clamping portion may be coupled by a connecting member.

Further, the rail pad may be formed with an opening that exposes the joint plate when the rail is fixed to the guide rail, and the size of the opening is larger than the outer shape of the joint plate.

In addition, the rail support method of the present invention supports a rail support method for a guide rail, which guides the movement of the elevator car in the up-down direction, and has a plurality of rail members respectively connected to the up-and-down direction through the joint plate, and the guide rail support method is : straddle the two rail members that are connected in the up and down direction, and fix the rail pads so as not to overlap with the joint plates; push the rails against the rail pads; and push against the rails by pressing the push portions Hold the rails from the sides and hold them in different directions.

According to the rail supporting device and the rail supporting method of the present invention, the rail can be temporarily supported so that the joint plate of the rail can be easily replaced.

3‧‧‧ joint plate

4‧‧‧ fastening members

4a‧‧‧ nuts

4b‧‧‧Bolts

5‧‧‧rails

5a‧‧‧Upper track member

5b‧‧‧Bottom track members

6‧‧‧Track pad

6a‧‧‧ openings

6b‧‧‧立起部

8‧‧‧ Track clips

10‧‧‧Connecting components

11‧‧‧Connecting column

12a, 12b, 12c, 12d, 12e, 12f‧‧‧ connecting beams

14‧‧‧Fixed slides

14a‧‧‧Pushing Department

14b‧‧‧Side contact (clamping)

15‧‧‧movable track (clamping part)

16‧‧‧ board

16a‧‧‧first slit

16b‧‧‧second slit

19‧‧‧ Lifting bolts

51‧‧‧Flange

52‧‧‧ convex head

52a‧‧‧Front end

52b‧‧‧ right side

52c‧‧‧left side

100‧‧‧rail support device

B‧‧‧Back side

D‧‧‧depth direction

F‧‧‧Front side

H‧‧‧Up and down direction

L‧‧‧left

R‧‧‧right

W‧‧‧Width direction

Fig. 1 is a perspective view showing a rail supporting device according to an embodiment of the present invention.

Fig. 2 is a perspective view of the rail supporting device shown in Fig. 1 as seen from the back side.

Fig. 3 is a cross-sectional view showing a state in which the rail supporting device shown in Fig. 1 is cut along the cutting line III-III shown in Figs. 1 and 2 .

Fig. 4 is a perspective view showing the configuration of a plate, a fixed shoe, and a movable shoe provided in the connecting member of the rail supporting device shown in Fig. 1.

Fig. 5 is a view showing a mounting sequence of the rail supporting device shown in Fig. 1, and is a view showing a rail before mounting the rail supporting device.

Fig. 6 is a view showing a mounting sequence of the rail supporting device shown in Fig. 1, and is a view showing a state in which a rail spacer is attached to a flange portion of the rail shown in Fig. 5.

Fig. 7 is a view showing a mounting sequence of the rail supporting device shown in Fig. 1, and is a view showing a state in which a connecting member is fixed to the rail spacer shown in Fig. 6.

Fig. 8 is a view showing a mounting sequence of the rail supporting device shown in Fig. 1, and is a view showing a state in which a plate, a fixed piece, and a movable piece are attached to the connecting member shown in Fig. 7.

Fig. 9 is a view showing a state in which the joint plate is removed in a state in which the rail supporting device shown in Fig. 1 is attached to the guide rail.

Hereinafter, embodiments of the present invention will be described based on the drawings.

A rail support device 100 for supporting the guide rail 5 is shown in Figures 1 to 3, which guides the movement of the elevator car.

Here, the guide rail 5 has a plurality of rail members connected to each other. to In the following description, the rail supporting device 100 is described as being attached to a part of the upper rail member 5a and the lower rail member 5b which are attached to a plurality of rail members belonging to the rail 5. Further, in the following description, the direction in which the guide rail 5 extends (that is, the direction in which the elevator car (not shown) is guided by the guide rail 5) is referred to as the vertical direction H.

As shown in Fig. 3, the cross-sectional shape of the guide rail 5 is substantially T-shaped. Specifically, the guide rail 5 has a substantially plate-shaped flange portion 51 that extends in the vertical direction H, and a convex head portion 52 that protrudes along the center line of the flange portion 51 and that extends in the vertical direction H. Here, the convex head portion 52 is engaged with a guide mechanism (not shown) provided in the elevator car, and guides the movement of the elevator car in the vertical direction H. Further, the joint plate 3 is fixed to the guide rail 5 by the eight fastening members 4, and the joint plate 3 connects the upper rail member 5a and the lower rail member 5b in the vertical direction H (see the fifth section). Figure).

In the following description, the direction orthogonal to the vertical direction H and along the width of the flange portion 51 is defined as the width direction W. Further, a direction in which the convex head portion 52 protrudes toward the flange portion 51 is defined as a depth direction D. The up-and-down direction H and the width direction W and the depth direction are orthogonal to each other. Further, in the depth direction, the side on which the convex head portion 52 protrudes is referred to as the front side F, and the side on which the flange portion 51 faces is referred to as the back side B. Further, the right side viewed from the front side F is referred to as the right side R, and the left side viewed from the front side F is referred to as the left side L.

Further, as shown in Fig. 3, the end portion of the front side F of the convex head portion 52 of the guide rail 5 is referred to as a front end portion 52a. Further, the side surface of the right side R of the convex head portion 52 is set to the right side surface 52b, and the side surface of the left side L is set to the left side. Side 52c.

As shown in FIGS. 1 to 3, a substantially plate-shaped rail backing 6 is fixed to the back side B of the flange portion 51 of the guide rail 5 via eight rail clips 8. Specifically, the flange portion 51 of the guide rail 5 is sandwiched between the rail pad 6 and the rail clip 8, whereby the rail spacer 6 is fixed to the guide rail 5. Further, the track pad 6 is attached so as to straddle both the upper rail member 5a and the lower rail member 5b of the guide rail 5. Further, as shown in Fig. 2, an opening 6a is formed in the rail spacer 6, and when the rail spacer 6 is fixed to the guide rail 5, the joint plate 3 is exposed to the back side B via the opening 6a. That is, the track pad 6 is provided so as not to overlap the bonding plate 3. Furthermore, the opening 6a of the track pad 6 is larger than the outer shape of the joint plate 3. Further, the rail mat 6 has a pair of rising portions 6b formed by rising both end portions toward the back side B.

Each of the rising portions 6b at both ends of the track pad 6 is sequentially connected from the upper end toward the lower end of the track pad 6 and fixed by the bolts to the six connecting beams 12a to 12f extending along the front side F. . Here, the connecting beams 12a to 12f are connected from the top, that is, the connecting beams 12a and 12b of the first and second branches from the upper side, and the connecting beams 12c and 12d of the third and fourth branches, the fifth The connecting beams 12e and 12f of the branch and the sixth branch are respectively paired. Further, as shown in Fig. 2, the positions of the third and fourth connecting beams 12c and 12d from the top correspond to the mounting position of the joint plate 3, that is, the upper rail member is partitioned along the vertical direction H. The position of the joint portion between the 5a and the lower rail member 5b. Further, a lifting bolt 19 is attached to each of the connecting beams 12a to 12f on the left side L.

Further, at the end portions of the front side F of the right and left connecting beams 12a to 12f, the connecting posts 11 extending in the vertical direction H are attached by bolt fastening. Further, as shown in Fig. 3, the cross-sectional shape of one of the pair of left and right sides of the connecting post 11 when viewed from the front side F is substantially L-shaped which faces each other. Further, three sheets 16 are fixed between the pair of connecting columns 11 by bolt fastening. In the vertical direction H, the three sheets 16 are disposed between the first and second connecting beams 12a and 12b, the third and fourth connecting beams 12c and 12d, and the fifth. Between the sixth connecting beams 12e, 12f.

Here, the connecting post 11 and the connecting beams 12a to 12f constitute the connecting member 10.

Further, as shown in FIGS. 3 and 4, each of the three sheets 16 is formed with a first slit that is cut into a substantially rectangular shape from the end portion of the back side B toward the front side F in the depth direction D. Sew 16a. Further, the plate 16 is formed with a second slit 16b that is cut into a substantially square shape adjacent to the left side L of the first slit 16a.

A fixed piece 14 having a substantially L-shaped cross section is fixedly attached to the right side R of the first slit 16a of the plate 16. Here, as shown in FIG. 3, the portion of the fixed shoe 14 that faces the front side F is configured to constitute the pressing portion 14a, and is connected to the right side R of the pressing portion 14a and faces the back side in the depth direction D. The portion where the side B extends constitutes the side contact portion 14b. Further, when the plate 16 is fixed to the connecting member 10, as shown in Fig. 3, the pressing portion 14a of the fixed shoe 14 abuts against the front end portion 52a of the convex head portion 52 of the guide rail 5 to be convex. The head 52 is pressed toward the back side B. also That is, the pressing portion 14a of the fixed shoe 14 presses the convex head portion 52 against the rail pad 6. Further, the side contact portion 14b of the fixed shoe 14 is in contact with the right side surface 52b of the convex head portion 52.

Here, the direction in which the pressing portion 14a of the fixed shoe 14 presses the convex head portion 52 is referred to as a pressing direction. Further, the pressing direction is consistent with the depth direction D.

Further, a movable piece 15 having a substantially rectangular parallelepiped shape is engaged with the second slit 16b of the plate 16. The movable shoe 15 is movable in the width direction W along the second slit 16b. Further, the end portions of the lifting bolts 19 attached to the respective connecting beams 12a to 12f on the left side L abut against the movable shoe 15. Therefore, by pushing the lifting bolt 19 toward the right side R, the movable shoe 15 also moves toward the right side R to abut against the left side surface 52c of the convex head portion 52. That is, in the width direction W, the movable shoe 15 can sandwich the side faces 52b and 52c of the convex head portion 52 between the movable shoe piece 15 and the side surface contact portion 14b of the fixed shoe 14.

Here, the fixed shoe 14 and the movable shoe 15 provided on the plate 16 are coupled to the track pad 6 through the connecting member 10.

Further, the side contact portion 14b of the fixed shoe 14 and the movable shoe 15 constitute a nip portion.

Next, the procedure for attaching the rail supporting device 100 to the guide rail 5 and detaching the joint plate 3 will be described with reference to FIGS. 5 to 9. Further, these operations are performed at a height at which the worker on the work surface located on the elevator car can perform the work sufficiently.

First, as shown in FIG. 5, the rail support device 100 is not mounted. In the state, the upper rail member 5a and the lower rail member 5b of the guide rail 5 are coupled by the joint plate 3 attached to the back side B of the flange portion 51.

Next, as shown in FIG. 6, the rail spacer 6 is attached to the back side B of the flange portion 51 via the rail clip 8 across the upper rail member 5a and the lower rail member 5b. The track pad 6 is disposed such that the position of the opening 6a coincides with the joint plate 3.

Then, as shown in Fig. 7, the rising portions 6b at both ends of the rail spacer 6 are connected to the connecting members 10 projecting toward the front side.

Further, as shown in Fig. 8, between the pair of connecting columns 11 of the connecting member 10, three plates 16 each of which is provided with a fixed piece 14 and a movable piece 15 are sequentially attached from above. Further, after the mounting plate 16, the lifting bolts 19 provided on the respective connecting beams 12a to 12b are moved to the right side, and the movable shoe 15 is moved toward the right side R to abut against the convex head. The left side surface 52c of the portion 52. Thereby, the side surfaces 52b and 52c of the convex head portion 52 are sandwiched and supported between the side surface contact portion 14b of the fixed shoe 14 and the movable shoe 15.

Next, as shown in Fig. 9, the nut 4a of the fastening member 4 that fixes the joint plate 3 to the guide rail 5 is detached from the bolt 4b. Further, the joint plate 3 is detached via the opening 6a of the rail gasket 6.

After the joint plate 3 is removed, the new joint plate 3 is fitted into the position of the opening 6a of the track pad 6 and fixed again by the fastening member 4. Moreover, the rail support device 100 is detached from the guide rail 5 in the reverse order of mounting.

According to the above, the guide rail support in the embodiment In the case of 100, the rail mat 6 which is provided so as not to overlap with the joint plate 3 is fixed across the upper rail member 5a and the lower rail member 5b. Further, the pressing portion 14a of the fixed shoe 14 presses the convex head portion 52 of the guide rail 5 against the rail pad 6 in the depth direction D. Further, the side contact portion 14b of the fixed shoe 14 and the movable shoe 15 sandwich and support both side faces of the convex head portion 52. Thereby, since the upper rail member 5a and the lower rail member 5b of the guide rail 5 are firmly supported from both the depth direction D and the width direction W, that is, from two different directions, even if the joint plate 3 is removed, The positions of the upper rail member 5a and the lower rail member 5b are also not offset. Therefore, the operator can easily perform the replacement work of the joint plate 3 on the elevator car in a short time in a state where the load is applied to the guide rail 5. Further, the center correction of the guide rail 5 after the replacement of the joint plate becomes easy.

Further, the fixed shoe 14 and the movable shoe 15 provided on the plate 16 are coupled to the track pad 6 through the connecting member 10. Thereby, the rail supporting device 100 can simultaneously support the back side B of the flange portion 51 of the guide rail 5, the front end portion 52a of the front side F of the convex head portion 52, and both side faces 52b, 52c of the convex head portion 52. Therefore, the rail support device 100 can support the guide rail 5 more firmly.

Further, the rail pad 6 is formed with an opening 6a for attaching and detaching the joint plate 3, and since the opening 6a is larger than the outer shape of the joint plate 3, the replacement work of the joint plate 3 can be performed more smoothly.

Further, in the rail supporting method according to the embodiment of the present invention, the rail spacer is passed over the upper rail member 5a and the lower rail member 5b. 6 is fixed so as not to overlap with the joint plate 3. Moreover, the guide rail 5 is urged toward the track pad 6 in the depth direction, and is sandwiched from both sides in the width direction W. Thereby, since the guide rail 5 is supported from the depth direction D and the width direction W, that is, from two different directions, it can be strongly supported in a case where it is supported only from one direction. Therefore, even if the joint plate 3 is removed, the positions of the upper rail member 5a and the lower rail member 5b are not shifted, and the replacement work of the joint plate 3 can be easily performed in a short time.

In the present embodiment, the rail supporting device 100 supports the upper rail member 5a and the lower rail member 5b that are coupled in the vertical direction H. However, the present invention is not limited thereto, and may span three or more rail members. To install and support.

Further, the rail supporting device 100 is provided with three sheets 16 in the vertical direction H. However, the present invention is not limited thereto, and may be increased to 5 to 7 stages in accordance with the load acting on the guide rail 5.

Further, the pressing portion 14a and the side surface contact portion 14b of the fixed shoe 14 are integrally formed. However, the present invention is not limited thereto, and the pressing portion 14a and the side surface contact portion 14b may be provided separately.

3‧‧‧ joint plate

4a‧‧‧ nuts

4b‧‧‧Bolts

5‧‧‧rails

5a‧‧‧Upper track member

5b‧‧‧Bottom track members

6‧‧‧Track pad

10‧‧‧Connecting components

11‧‧‧Connecting column

12a, 12b, 12c, 12d, 12e, 12f‧‧‧ connecting beams

15‧‧‧movable track (clamping part)

19‧‧‧ Lifting bolts

100‧‧‧rail support device

Claims (5)

A rail supporting device for supporting a rail, the rail guiding the movement of the elevator car in the up and down direction, and having a plurality of rail members respectively connected to the vertical direction through the joint plate, the rail supporting device having the track pad, The rail member is fixed so as to be overlapped with at least two of the rail members connected in the vertical direction, and is not overlapped with the joint plate; the pressing portion presses the rail to the rail pad; and the grip portion The guide rails are sandwiched from both sides in a direction different from a pressing direction in which the pressing portions are pressed by the pressing portion. The rail supporting device according to claim 1, wherein the rail has a flange portion for fixing the joint plate, and protrudes from the flange portion and guides movement of the elevator in the vertical direction. a convex head; the rail spacer is fixed to the flange portion; the pressing portion presses the convex head portion in the pressing direction; and the clamping portion is orthogonal to the vertical direction The both sides of the convex head portion are sandwiched in a direction orthogonal to the pressing direction. The rail supporting device according to claim 1 or 2, wherein the rail pad and the pressing portion and the clamping portion are coupled by a connecting member. The rail support device according to claim 1, wherein An opening that exposes the joint plate when the rail pad is fixed to the guide rail is formed, and the size of the opening is larger than an outer shape of the joint plate. A rail supporting method for supporting a rail, the rail guiding the movement of the elevator car in the up and down direction, and having a plurality of rail members respectively connected to the upper and lower directions through the joint plate, wherein the rail mat is not matched with the joint plate The overlapping means is fixed to at least two of the rail members connected in the vertical direction; the rail is pressed against the rail pad; and the pressing direction is different from the pressing direction of the rail by the pressing portion The aforementioned rails are clamped from both sides.