JPH09156849A - Replacing jig for car guide shoe device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To efficiently replace a slide member without necessity of detaching or fitting of the whole device. SOLUTION: This replacing jig for a car guide shoe device is constituted of a plate body 33 inserted between the side plate part 6c of a supporting base 6 and a stopper 26, and a set bolt 35 threadedly engaged with the plate body 33 and contacting the extreme end with the side plate part 6c, and by inserting the plate body 33 between the side plate part 6c and the stopper 26 and fastening the set bolt 35, the side plate part 6c is pressed, and a supporting shaft 7 is pressed in the axial direction by the reaction through the stopper 26. Hereby, because an engaging part 8 supported with one end of the supporting shaft 7 is separated from a guide rail 3, by loosening the set bolt 35 after exchanging a slide member 29 in this state, the supporting shaft 7 is moved so as to contact the slide member 29 with the guide rail 3, and the respective spaces of the guide shoe device 2 are respectively returned to the prescribed dimensions.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a replacement jig for a car guide shoe device for guiding a car along a guide rail provided upright in an elevator hoistway.

[0002]

2. Description of the Related Art FIG. 6 is a perspective view of a car equipped with this type of guide shoe device, FIG. 7 is an enlarged perspective view showing a portion of the guide shoe device of FIG. 6, and FIG. 8 is a guide shoe of FIG. It is a longitudinal cross-sectional view of an apparatus.

On both sides of the upper part of the car 1 shown in FIG.
Guide shoe device 2 and second guide shoe device 2
a is provided, and the guide rails 3 and other guide rails (not shown) are erected on both sides of the car 1. The first guide shoe device 2 has one guide rail 3
When the second guide shoe device 2a engages with other guide rails, the car 1 moves up and down in the hoistway 4 while being guided by these guide rails 3 and the like.

As shown in FIG. 7, the first guide shoe device 2 is formed in a U-shape and is movable by the support base 6 attached to the car frame member 5 on the upper part of the car 1. Is provided on one end of the support shaft 7, which is supported by the support shaft 7 and extends in a direction orthogonal to the guide rail 3.
The second guide shoe device 2a is also provided with the engaging portion 8 that engages with the guide rail 3.

The above-mentioned support base 6 is, as shown in FIG.
From the bottom plate portion 6a that is fastened to the car frame member 5 through the two sets of bolts 9, the nut 10 and the one set of knock bolts 11 and the nuts 12, and the side plate portions 6b and 6c that stand upright from both ends of the bottom plate portion 6a. And one side plate portion 6b has
A through hole 14 in which the first bearing portion 13 is provided is bored,
The other side plate portion 6c is provided with a through hole 16 in which the second bearing portion 15 is provided.

The first bearing portion 13 has a through hole 1 in the support base 6.
4, the outer cylinder 17 to be fitted into the outer cylinder 17, and the outer cylinder 17
It is composed of an inner cylinder 18 through which the support shaft 7 is inserted, and an annular elastic body 19 made of rubber or the like and inserted between the outer cylinder 17 and the inner cylinder 18. The inner diameter of the outer cylinder 17 is
The inner cylinder 18 is formed so as to be gradually smaller with distance from the guide rail 3, and similarly, the outer diameter of the inner cylinder 18 is also formed to be gradually smaller with distance from the guide rail 3. The second bearing portion 15 also includes an outer cylinder 17a, an inner cylinder 18a, and an elastic body 19a that are similarly configured.

The above-mentioned support shaft 7 is provided with a pin hole 21 at one end, a threaded portion 22 is formed at an intermediate portion, and a small-diameter threaded portion 23 is formed on the other end side of the threaded portion 22.
An adjusting nut 24 and a lock nut 24a, which are in pressure contact with one end of the inner cylinder 18a, are screwed into the screw portion 22, and a nut 25 is screwed into the small-diameter screw portion 23. This nut 25 and one end of the outer cylinder 17a are screwed together. And the stopper 26 that restricts the movement of the support shaft 7 in the axial direction toward the guide rail 3.
Is interposed.

The above-mentioned engaging portion 8 has a case 28 mounted via a pin 27 inserted into the pin hole 21 and a U-shaped cross section, and slides so as to straddle the guide rail 3. The sliding member 29 is accommodated in the case 28, and the mounting plate 31 is attached to the upper and lower portions of the case 28 via the bolts 30 to support the sliding member 29. ing. In addition,
The sliding member 29 is made of a material such as gun metal, nylon, polyurethane, Duracon.

In the guide shoe device 2 as described above, the inner diameter of the outer cylinder 17 and the outer diameter of the inner cylinder 18 of the first bearing portion 13 are formed so as to become gradually smaller with increasing distance from the guide rail 3. Since the outer cylinder 17a and the inner cylinder 18a of the second bearing portion 15 are similar, the elastic force of the elastic bodies 19 and 19a urges the engaging portion 8 and the support shaft 7 to the left side in FIG. . This allows
The sliding member 29 is brought into pressure contact with the guide rail 3 with a predetermined biasing force. In order to make the urging force applied to the sliding member 29 appropriate, the distance A between the case 28 of the engaging portion 8 and the side plate portion 6b of the support base 6 at the time of mounting,
A distance B between the inner end of the inner cylinder 18a and the inner end of the outer cylinder 17a,
It is necessary to adjust the distance C between the outer end of the outer cylinder 17a and the stopper 26.

As a method of adjusting the guide shoe device 2, first, the case 28 of the engaging portion 8 and the side plate portion 6b of the support base 6 are provided.
After the support base 6 is moved so that the distance A between the support base 6 and the predetermined size, for example, 5 to 7 mm, the support base 6 is attached to the car frame member 5 through the bolt 9, the nut 10, the knock bolt 11, and the nut 12. To conclude. Then, the distance B between the inner end of the inner cylinder 18a and the inner end of the outer cylinder 17a is a predetermined dimension, for example, 4 to
Rotate the adjusting nut 24 so that it becomes 8 mm, and
After being moved in the axial direction, the lock nut 24a is tightened with respect to the adjustment nut 24 to lock the adjustment nut 24. Next, the outer end of the outer cylinder 17a and the stopper 2
The nut 25 is rotated to move the stopper 26 in the axial direction of the support shaft 7 so that the distance C with respect to 6 becomes a predetermined dimension, for example, 6 to 10 mm. In this way, the guide shoe device 2
Is mounted on the car 1 and each distance A, B, C is adjusted to a predetermined size, and then slides on the guide rail 3 when the car 1 moves up and down the hoistway 4. Since the moving member 29 gradually wears, it is necessary to replace the worn existing sliding member 29 with a new one.

Conventionally, when the sliding member 29 is replaced,
First, the bolts 9, nuts 10, knock bolts 11, and nuts 12 of the guide shoe device 2 are loosened to move the support base 6 in a direction away from the guide rails 3, and one worker removes the car 1 from the guide rails 3. After the other worker removes the bolt 9, the nut 10, the knock bolt 11, and the nut 12 by moving them away from each other, the entire guide shoe device 2 is removed from the car 1 and the existing sliding member 2 is removed.
Replace 9 with a new one. Next, one worker again moves the car 1 away from the guide rail 3,
Another worker places the guide shoe device 2 at a predetermined position on the car 1 and attaches it through the bolt 9, the nut 10, the knock bolt 11, and the nut 12. Similarly, after the sliding member of the second guide shoe device 2a is also replaced, the distances A, B, and C are adjusted to the predetermined dimensions as described above, and the replacement work of the sliding member 29 and the like is performed. It was finished.

As a car guide shoe device of this type, a car guide shoe device disclosed in, for example, JP-A-60-190783 has been proposed.

[0013]

By the way, in the above-mentioned prior art, when the sliding member 29 of the guide shoe device 2 is replaced, one worker pulls the car 1 away from the guide rail 3 and , Other workers attach and detach the guide shoe device 2, so two workers are required,
There was a problem that the work cost was high. Further, as the guide shoe device 2 is attached and detached, adjustment work of each distance A, B, C is required, and since this adjustment work requires delicate dimension adjustment, the work is complicated, and thus the work time is long. There was also a problem.

The present invention has been made in view of the actual situation in the prior art as described above, and an object thereof is a car capable of efficiently exchanging a sliding member without requiring the attachment / detachment of the entire guide shoe device. It is to provide a replacement jig for the guide shoe device.

[0015]

In order to achieve the above-mentioned object, the invention according to claim 1 of the present invention is a support base mounted on the upper part of a car that moves up and down in an elevator hoistway, and is moved by this support base. A support shaft that is movably supported and that extends in a direction orthogonal to the guide rail that is erected in the hoistway; and a sliding member that is supported by one end of the support shaft and that slides on the guide rail. An engaging portion having, and a bearing portion provided on the support base for urging at least one of the support shaft and the engaging portion in a direction approaching the guide rail, and the car along the guide rail. In the replacement jig for the guiding car guide shoe device for guiding, a pressing means for pressing the support shaft in the direction away from the guide rail is provided between the support base and the support shaft.

According to a third aspect of the present invention, a support base mounted on the upper part of a car that moves up and down in the elevator hoistway and a movably supported by the support base are set up in the hoistway. A support shaft extending in a direction orthogonal to the guide rail to be installed, an engaging portion having a sliding member supported by one end of the support shaft and sliding on the guide rail, and provided on the support base. A bearing portion for urging at least one of the support shaft and the engaging portion in a direction approaching the guide rail; and a stopper provided at the other end of the support shaft for restricting axial movement of the support shaft. In a replacement jig for a car guide shoe device that guides the car along the guide rail, a pressing force that presses the support shaft in a direction away from the guide rail between the support base and the stopper. hand Are the structure in which a.

The invention according to claim 1 or claim 3 of the present invention having the above-described structure is such that the pressing means provided between the support base and the support shaft, or between the support base and the stopper. By the operation of the pressing means provided on the support shaft, the support shaft is pressed in the direction away from the guide rail. Therefore, the sliding member of the engaging portion supported at one end of the support shaft is also separated from the guide rail, that is, the bearing. The state in which the sliding member is biased by the portion is released. After replacing the sliding member in this state, if the operating state of the pressing means is released,
Since at least one of the support shaft and the engaging portion is biased by the bearing portion in the direction of approaching the guide rail, the support shaft and the engaging portion return to the initial position. by this,
The sliding member can be efficiently replaced without the need to attach and detach the entire guide shoe device.

[0018]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a replacement jig for a car guide shoe device of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a car guide shoe device equipped with an exchange jig according to a first embodiment of the present invention, FIG. 2 is a vertical sectional view of the car guide shoe device of FIG. 1, and FIG. FIG. 3 is a front view of a plate body included in the replacement jig of FIG. In addition, in FIGS. 1 and 2, the same components as those shown in FIGS. 6 to 8 described above are designated by the same reference numerals.

The exchange jig 32 of this embodiment shown in FIG.
A plate body 33 inserted between the side plate portion 6c of the support base 6 and the stopper 26 and three screw holes 34 formed in the plate body 33 are respectively screwed to each other, and each tip is a side plate of the support base 6. Part 6c
It consists of three push bolts 35 that abut. As shown in FIG. 3, the plate body 33 is formed in an inverted U shape and has a notch 36 that engages with the support shaft 7. With these plate body 33 and the push bolt 35,
A pressing unit that presses the support shaft 7 in a direction away from the guide rail 3 is configured.

In the first embodiment, the plate member 33 of the exchange jig 32 is attached to the side plate portion 6c of the support base 6 and the stopper 26.
And the notch 36 of the plate body 33 is engaged with the support shaft 7, so that the plate body 3 is straddled over the support shaft 7.
Place 3. Then, by tightening the three push bolts 35 screwed into the screw holes 34 of the plate body 33, the tips of the push bolts 35 press the side plate portion 6c of the support base 6, and the reaction force causes the plate to move. The body 33 presses the stopper 26 to the right in FIG. 2, and the distance D between the side plate portion 6c of the support base 6 and the stopper 26 increases. Along with this, the support shaft 7 is pressed via the nut 25 in a direction away from the guide rail 3,
The elastic body 19 of the first bearing portion 13 and the second bearing portion 1
5 elastic bodies 19a are elastically deformed respectively. At this time,
The sliding member 29 of the engaging portion 8 supported by one end of the support shaft 7 is also separated from the guide rail 3, and the elastic members 19, 19a described above are provided.
Since the urging force of the sliding member 29 due to the elastic force is maintained, the bolt 30 and the mounting plate 31 of the engaging portion 8 are removed and the sliding member 29 is replaced with a new one. After that, the bolt 30 and the mounting plate 31 are mounted again.

After the sliding member 29 is replaced in this way, the push bolts 35 of the replacement jig 32 are loosened, and the elastic force of the elastic members 19 and 19a causes the support shaft 7 to move.
Moves toward the guide rail 3 and the sliding member 29 of the engaging portion 8 contacts the guide rail 3. As a result, the intervals A, B, C of the guide shoe device 2 are restored to their respective predetermined dimensions.

In the first embodiment configured as described above,
The sliding member 29 can be efficiently replaced without removing the entire guide shoe device 2 from the top of the car 1.

In this embodiment, the plate body 33 is provided between the side plate portion 6c of the support base 6 and the stopper 26, and the distance D is set.
However, the plate member 33 may be interposed between the side plate portion 6b of the support base 6 and the lock nut 24a to increase the distance F therebetween.

FIG. 4 is a vertical sectional view of a car guide shoe device equipped with an exchange jig according to a second embodiment of the present invention. In FIG. 4, the same components as those shown in FIGS. 1, 2, and 6 to 8 described above are designated by the same reference numerals.

The exchange jig 40 of this embodiment shown in FIG.
An outer ring body 41 interposed between the side plate portion 6c of the support base 6 and the stopper 26, and an outer ring body 41 inserted into one end side of the outer ring body 41 so that the outer ring body 41 can be inserted and removed, and one end of the outer ring body 41 contacts the side plate portion 6c of the support base 6. The first inner ring body 42 in contact with the outer ring body 41 is inserted into the other end side of the outer ring body 41 so that the stopper 2 can be inserted and removed.
6 and a second inner ring body 44 that is in pressure contact with the outer ring body 41, the first inner ring body 42, and the holding plate 43.
And the second inner ring body 44 allows the support shaft 7 to
The pressing means is configured to press in the direction away from the guide rail 3.

At both ends of the inner circumference of the outer ring body 41, a pair of female screw portions 41a, 41b, into which the inner ring bodies 42, 44 are respectively screwed, are formed in the opposite directions. The female screw portion 41a of is a right-handed screw type, and the other female screw portion 41b is a left-handed screw type. The pressing plate 43 is formed in an inverted U shape and has a notch 45 that engages with the small-diameter screw portion 23 of the support shaft 7.

In the second embodiment, the integrated outer ring body 41 and inner ring bodies 42, 44 are attached to the side plate portion 6c of the support base 6 from the right side of FIG. The small diameter screw portion 23 of the support shaft 7 and one end of the outer cylinder 17a are inserted into the ring body 41 and the inner ring bodies 42 and 44. Next, the pressing plate 43 is inserted between the second inner ring body 44 and the stopper 26, and the notch 45 of the pressing plate 43 is engaged with the small diameter threaded portion 23 of the support shaft 7, so that the small diameter threaded portion is formed. The presser plate 43 is arranged so as to straddle 23. Then, the outer peripheral surface of the outer ring body 41 is gripped to grasp the outer ring body 4
When 1 is rotated, since the inner ring bodies 42 and 44 are respectively screwed into the female screw portions 41a and 41b on the inner circumference of the outer ring body 41, these inner ring bodies 42 and 44 are respectively connected to the outer ring body 41. While protruding from 41, the first inner ring body 42 contacts the side plate portion 6c of the support base 6, and
The inner ring body 44 presses the stopper 26 via the holding plate 43. That is, since the distance D between the side plate portion 6c of the support base 6 and the stopper 26 increases, the support shaft 7 moves in the direction away from the guide rail 3 in FIG.
Elastic body 19 and elastic body 19a of the second bearing portion 15
Respectively elastically deform.

Then, after replacing the sliding member 29 with a new one in the same procedure as in the case of the first embodiment described above,
When the outer ring body 41 is rotated in the opposite direction while gripping the outer peripheral surface of the outer ring body 41, the inner ring bodies 42 and 44 retreat into the outer ring body 41, respectively.
The elastic force of 19a causes the support shaft 7 to move in the direction of approaching the guide rail 3, and the sliding member 29 of the engaging portion 8 contacts the guide rail 3. As a result, the respective intervals A, B, C of the guide shoe device 2 are restored to the initial predetermined dimensions.

Also in the second embodiment configured as described above,
The sliding member 29 can be efficiently replaced without removing the entire guide shoe device 2 from the top of the car 1.

FIG. 5 is a longitudinal sectional view of a car guide shoe device equipped with an exchange jig according to a third embodiment of the present invention. In FIG. 5, the same components as those shown in FIGS. 1, 2, 4 and 6 to 8 described above are designated by the same reference numerals.

The exchange jig 50 of this embodiment shown in FIG.
An engaging body 51 that is formed in an inverted U shape and that engages so as to straddle the support shaft 7, an abutting body 52 that abuts on the inside of the side plate portion 6b of the support base 6, and an engaging body 51 and an abutting body 52. And a toggle mechanism 53 interposed between these engaging members 51,
The abutting body 52 and the toggle mechanism 53 constitute a pressing unit that presses the support shaft 7 in a direction away from the guide rail 3 in FIG.

The toggle mechanism 53 is, for example, of a four-bar link type, and has a link 55 rotatably connected to an upper portion of one end of the engaging body 51 via a first pin 54, and the link 55. A link 58, which is rotatably connected via a second pin 56 and to which a handle 57 is fixed, and a link 58, which is rotatably connected via the link 58 and a third pin 59, presses the contact body 52. And a pressing portion 60 that operates. The pressing portion 60 is inserted into a protrusion 61 provided at the upper end of the other end of the engaging body 51, and the protrusion 61 regulates the pressing portion 60 so that it moves only in the horizontal direction.

In the third embodiment, the engaging body 51 of the exchange jig 50 is engaged so as to straddle the support shaft 7,
One end of this engaging body 51 is brought into contact with the lock nut 24a,
At the other end of the engaging body 51, an abutting body 52 that comes into contact with the inside of the side plate portion 6b of the support base 6 is provided. Then handle 5
When 7 is tilted in the direction shown by arrow K in FIG. 5, the link 58 rotates counterclockwise in FIG. 5, the pressing portion 60 moves leftward in FIG. The side plate portion 6b of 6 is pressed. Due to the reaction force, the engagement body 51 causes the lock nut 2 to move.
The support shaft 7 is pressed in the right direction of FIG. 5, that is, in the direction away from the guide rail 3 of FIG. 1 via the 4a, and the distance F between the side plate portion 6b of the support base 6 and the lock nut 24a is widened. The elastic body 19 of the bearing 13 and the elastic body 19a of the second bearing 15 are elastically deformed.

Then, after the sliding member 29 is replaced with a new one in the same procedure as in the case of the first embodiment described above,
When the handle 57 of the exchange jig 50 is returned to the clockwise direction in FIG. 5, the engaging body 51 is engaged with the support shaft 7 via the lock nut 24a.
Since the pressed state is released, the elastic members 19, 19
The elastic force of a causes the support shaft 7 to move in the direction of approaching the guide rail 3, and the sliding member 29 of the engaging portion 8 moves.
Abut. As a result, the intervals A, B, C of the guide shoe device 2 are restored to the predetermined dimensions.

Also in the third embodiment configured as described above,
The sliding member 29 can be efficiently replaced without removing the entire guide shoe device 2 from the top of the car 1.

[0036]

Since the present invention is constructed as described above, it is possible to efficiently replace the sliding member without the need to attach or detach the entire guide shoe device, and therefore one worker can replace the sliding member. Since it is possible to perform the work and the work is quick, there is an effect that the work cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view of a car guide shoe device including a replacement jig according to a first embodiment of the present invention.

2 is a vertical cross-sectional view of the car guide shoe device of FIG.

FIG. 3 is a front view of a plate body included in the exchange jig of the present embodiment.

FIG. 4 is a vertical cross-sectional view of a car guide shoe device including an exchange jig according to a second embodiment of the present invention.

FIG. 5 is a vertical cross-sectional view of a car guide shoe device including an exchange jig according to a third embodiment of the present invention.

FIG. 6 is a perspective view of a car equipped with a general guide shoe device.

FIG. 7 is an enlarged perspective view showing a portion of the guide shoe device of FIG.

8 is a vertical cross-sectional view of the guide shoe device of FIG.

[Explanation of symbols]

 1 Cage 2 Guide shoe device 3 Guide rail 6 Support base 7 Support shaft 8 Engagement part 13, 15 Bearing part 26 Stopper 29 Sliding member 32 Exchange jig 33 Plate 35 Push bolt 36 Notch 40 Exchange jig 41 Outside Ring bodies 41a, 41b Female threaded portion 42 First inner ring body 44 Second inner ring body 50 Replacement jig 51 Engagement body 52 Abutment body 53 Toggle mechanism 57 Handle

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Masao Kobayashi 1-6 Kandanishikicho, Chiyoda-ku, Tokyo Within Hitachi Building System Service Co., Ltd. (72) Inventor Seiichi Yuyama 1-6-6 Kandanishikicho, Chiyoda-ku, Tokyo Inside the Hitachi Building System Service

Claims (5)

[Claims] 1. A support base attached to an upper portion of a car that moves up and down in an elevator hoistway, and a support movably supported by the support base and extending in a direction orthogonal to a guide rail erected in the hoistway. At least one of the support shaft and the engaging portion, which is provided on the support base, is provided with a supporting shaft, an engaging portion that is supported by one end of the supporting shaft, and has a sliding member that slides on the guide rail. In a replacement jig for a car guide shoe device that guides the car along the guide rail, a bearing portion that urges one of the bearings in a direction approaching the guide rail, between the support base and the support shaft. An exchanging jig for a car guide shoe device for a car, comprising: pressing means for pressing the support shaft in a direction away from the guide rail. 2. The pressing means includes an engagement body that engages with the support shaft, a toggle mechanism interposed between the engagement body and the support base, and a handle that operates the toggle mechanism. 2. The replacement jig for a car cage guide shoe device according to claim 1, wherein the support shaft is pressed in a direction away from the guide rail by operating the switch mechanism to operate the toggle mechanism. 3. A support base mounted on an upper part of a car that moves up and down in an elevator hoistway, and a support base movably supported by the support base and extending in a direction orthogonal to a guide rail erected in the hoistway. At least one of the support shaft and the engaging portion, which is provided on the support base, is provided with a supporting shaft, an engaging portion that is supported by one end of the supporting shaft, and has a sliding member that slides on the guide rail. A bearing portion that urges one side toward the guide rail and a stopper that is provided at the other end of the support shaft and restricts the movement of the support shaft in the axial direction are provided. An exchange jig for a car guide shoe device for guiding a car, characterized in that a pressing means for pressing the support shaft in a direction away from the guide rail is provided between the support base and the stopper. Moth Exchange jig of Doshu apparatus. 4. A pressing means is inserted between the support and the stopper, and has a plate body having a notch for engaging with the support shaft, and the plate body is screwed into the plate body, and the front end abuts on the support base. It is composed of a plurality of push bolts, and the support shaft is pushed in a direction away from the guide rail by screwing these push bolts to press the plate body against the stopper. Item 3. A replacement jig for a car guide shoe device according to item 3. 5. An outer ring body having a pair of female screw portions, which are provided between the support base and the stopper and are formed in opposite directions, at both ends of the inner circumference of the outer ring body, and a pressing means. A first inner ring body that is screwed into one of the female threaded portions and has one end abutting on the side surface of the support base, and a second inner ring body that is screwed into the other female threaded portion of the outer ring body and has one end abutting the stopper. 4. The car according to claim 3, further comprising: an inner ring body, and rotating the outer ring body to press the support shaft in a direction away from the guide rail via the stopper. Replacement jig for the guide shoe device.