JPH05201645A - Speed adjustor device for elevator - Google Patents

Abstract

(57) [Abstract] [Purpose] The present invention aims to improve the appearance of a cage 22 from outside the hoistway 21.
The purpose is to improve the view from the inside. [Structure] The speed governor rope 14 is arranged such that the grip side 14a and the non-gripping side 14b are arranged side by side in the width direction of the car 22, and the ducts 31 are combined into one to hold the speed governor rope 14 on the grip side 14a.
Also, both the non-grasping side 14b are surrounded.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a speed governor device for an elevator, which is provided in, for example, an elevator for a view intended for a view from a car and has a concealing device for concealing a speed governor rope. Is.

[0002]

13 is a vertical sectional view of an example of a conventional elevator, and FIG. 14 is a sectional view of the elevator shown in FIG. In the figure, a machine room 2 is provided above the hoistway 1 in the building. A hoisting machine 3 is installed in the machine room 2. A sheave 4 rotated by the hoisting machine 3 is connected to the hoisting machine 3. In the vicinity of the sheave 4,
A deflecting wheel 5 is rotatably provided.

A hoisting rope 6 is attached to the sheave 4 and the deflector 5
Is wrapped around. The hoisting rope 6 has a car 7 suspended at one end and a counterweight 8 suspended at the other end. The counterweight 8 is arranged at the rear of the car 7. The car 7 and the counterweight 8 move up and down in the hoistway 1 along a car guide rail 9 and a counterweight guide rail 10 provided in the hoistway 1, respectively. The hoistway 1 is provided with a hall entrance / exit 11 for each floor.

In the machine room 2, there is installed a speed governor 12 for detecting the abnormal increase in the ascending / descending speed of the car 7 to stop the car 7. This governor 12 and hoistway 1
A loop governor rope 14 is wound around the inner tensioning wheel 13. The governor rope 14 is connected to the car 7 by a connecting fitting 15, which is a connecting portion. As shown in FIG. 14, the speed governor rope 14 is arranged such that the grip side 14a and the counter grip side 14b are arranged substantially parallel to the depth direction of the car 7.

In the conventional elevator constructed as described above, when the ascending / descending speed of the car 7 increases above the specified value, the speed governor 12 operates to grab and fix the speed governor rope 14. As a result, the emergency stop device (not shown) provided in the car 7 operates and the car 7 stops.

Next, FIG. 15 shows, for example, Japanese Utility Model Publication No.
It is sectional drawing of the conventional elevator for observations shown by the gazette No. 7. In the figure, an opening 21b is provided on the rear hoistway wall facing the hall entrance 21a of the hoistway 21 for a view. Transparent glass may be fitted into the open portion 21b. Further, the car 22 is provided with first to third windows 22a to 22c. The counterweight 8 is separated by a hoistway wall so as not to obstruct the view.
It is located on the side of 22.

The speed governor rope 14 arranged in the same manner as that of FIG. 14 is concealed by a concealing device 23 in order to improve the appearance. The concealment device 23 includes a first duct 24 that surrounds the grip side 14a of the speed governor rope 14 and a second duct 25 that surrounds the opposite grip side 14b. The first duct 24 has a C-shaped cross section provided with an opening 24a for passing the connecting fitting 15, and the second duct 25 has a completely closed cross section.

In such a conventional view elevator, since the speed governor rope 14 is concealed by the concealment device 23, the appearance from the car 22 is improved. Further, the speed governor rope 14 does not interfere with or get caught in the elevator equipment due to the influence of the wind outside the hoistway 21 or the shaking during an earthquake.

[0009]

SUMMARY OF THE INVENTION In the conventional observatory elevator constructed as described above, the speed governor rope is used.
Since it is necessary to lay a plurality of ducts 24 and 25 in order to conceal 14 and the second duct 25 is arranged in the open portion 21b of the hoistway 21, the view from the inside of the car 22 is greatly hindered. Therefore, there has been a problem that it is not possible to realize the appearance from the outside of the hoistway 21 and the improvement of the view from the inside of the car 22 which are required in recent intelligent buildings.

The present invention has been made to solve the above-mentioned problems, and it is an elevator governor capable of further improving the appearance from outside the hoistway and the view from inside the car. The purpose is to obtain the device.

[0011]

According to a first aspect of the present invention, there is provided an elevator governor device, in which a governor rope is arranged such that a gripping side and an opposite gripping side are aligned in a width direction of a car. The concealing device is provided with a duct having a C-shaped cross section, which is provided with an opening through which a connecting portion of the cage of the speed machine rope is passed and which surrounds both the gripping side and the non-grasping side.

In the speed governor device for an elevator according to the second aspect of the present invention, the speed governor ropes are arranged such that the grip side and the non-grasping side are aligned in the width direction of the car, and the deflecting wheel is provided. A section that makes the gap between the grip side and the non-grab side smaller than the diameter of the sheave, and that has an opening through which the connecting part of the cage of the governor rope is passed and that surrounds both the clasp side and the non-grab side. The concealing device having a C-shaped duct is used.

[0013]

According to the invention of claim 1, the gripping side and the non-grasping side of the speed governor rope are arranged in the width direction of the car, and the ducts surrounding the same are gathered into one, so that it looks good from outside the hoistway. Improve the view from inside the basket.

According to the second aspect of the present invention, the gripping side and the non-grasping side of the speed governor rope are arranged in the width direction of the car, and the ducts surrounding the gripping side are combined into one, so that it looks good from outside the hoistway. By improving the view from the inside of the basket and making the distance between the gripping side and the non-grasping side smaller than the diameter of the sheave of the governor, the dimension in the frontage of the hoistway can be reduced.

[0015]

【Example】

Example 1. 1 is a longitudinal sectional view of an elevator for observation having a speed governor device according to an embodiment of the invention of claim 1, FIG. 2 is a sectional view taken along the line II-II of FIG. 1, and FIG. III-I
It is an arrow sectional view which follows the II line. 13 to 1
The same or corresponding portions as those in No. 5 are designated by the same reference numerals, and the description thereof will be omitted.

In the figure, the speed governor 12 is installed such that the direction of the rotary shaft of the sheave faces the depth direction of the car 22. As a result, the speed governor ropes 14 are arranged such that the gripping side 14a and the non-gripping side 14b are aligned in the width direction of the car 22 (front direction), that is, in the direction parallel to the spacing direction of the pair of car guide rails 9. It is wrapped around the sheave of speed governor 12.

The governor rope 14 is a guide rail 9 for a car.
It is provided on the rear side of the car 21 and adjacent to the car guide rail 9. A tension wheel 13 is provided at the lower end of the speed governor rope 14 located in the pit 21c of the hoistway 21, that is, immediately below the sheave of the speed governor 12. U-shaped grooves are provided on the outer peripheral portions of the sheave and the tension wheel 13 of the speed governor 12 so that the speed governor rope 14 does not deviate.

The gripping side 14a and the non-gripping side 14b of the speed governor rope 14 are surrounded by one duct 31. The duct 31 has a substantially rectangular cross section, but has a C-shaped cross section because an opening 31a for allowing the connecting fitting 15 to pass through is provided on the short side of the car 22 side. ..

Next, FIG. 4 is a sectional view taken along the line IV-IV of FIG. 3, and FIG. 5 is a side view showing a part of the duct 31 of FIG. 3 in an enlarged manner. FIG. 6 is a duct 31 of FIG. FIG. 3 is an exploded perspective view showing a mounting state of FIG. In the figure, the main body 32a of the mounting metal fitting 32 is a metal fitting fastener 34 composed of bolts, nuts and rail clips.
Is attached to the car guide rail 9. A guide 32b having a U-shaped cross section is welded and fixed to the tip of the main body 32a.

The guide 32b is provided with a duct fastener 35 composed of a bolt and a nut. A U-shaped notch corresponding to the duct fastener 35 is provided at the upper end and the lower end of the duct 31.
31b is provided. The duct 31 is attached in parallel with the car guide rail 9 by inserting the upper end or the lower end into the guide 32b and tightening the duct fastener 34. Further, in order to make the third window 22c of the car 22 as large as possible, the duct 31 is installed as close as possible to the car guide rail 9.

The concealment device 33 of this embodiment is a duct.
It consists of 31 and mounting bracket 32. The speed governor device of this embodiment has a speed governor 12, a tensioning wheel 13, a speed governor rope 14, and a concealment device 33.

In the speed governor device constructed as described above, since the duct 31 is integrated into one, the window 22 on the side of the car is provided.
b and 22c can be made large, the passenger's field of view is widened, and the view is improved. Further, since the duct 31 having a long cross section in the width direction of the car 22 is arranged outside the car guide rail 9 of the hoistway 21, the devices and the like in the hoistway 21 are hidden by the duct 31, and the hoistway 21 The appearance of the entire elevator from the outside will be improved. Moreover, normally, the equipment in the hoistway 21 is painted in a dark color so as to make them inconspicuous, but since the duct 31 is painted in design, it becomes more attractive. Furthermore, the speed governor rope 14 can be easily inspected by pulling out the grip side 14a and the counter grip side 14b from the opening 31a.

Further, the main body 32a of the mounting bracket 32 and the guide 32b
Since the upper and lower ducts 31 are connected and fixed by being inserted into the guide 32b, the ducts 31 are connected to each other, positioned from the car guide rail 9, and the duct 31 to the car guide rail 9 is connected. Is fixed to the mounting bracket 32
Will be possible at the same time.

By the way, the long side of the cross section of the duct 31 must have a length of (32 times or more the diameter of the governor rope 14) + (twice the margin around the governor rope 14). And That is, the sheave diameter of the speed governor 12 is determined to be 32 times or more the diameter of the speed governor rope 14 according to the regulations (Enforcement Ordinance of the Building Base Law). Therefore, when the diameter of the governor rope 14 is 10 mm, the duct 31
The long-side dimension of (10mm
× 32) + (30 × 2) = 380 mm is required.
In this case, the distance from the side surface of the car 22 to the hoistway wall facing the car 22 is required to be 440 mm (380 mm + distance between the car 22 and 30 mm + distance between the car and hoistway wall 30 mm = 440 mm). It will occupy most. Also, the diameter of the tensioning wheel 13 at the lower part of the hoistway must be 32 times or more the diameter of the governor rope 14.

Example 2. FIG. 7 is a cross-sectional view of an elevator for observation having a governor device according to an embodiment of the present invention. In this embodiment, an upper deflector wheel 41 is provided below the speed governor 12, and a lower deflector wheel 42 is provided near the tension wheel 13. Also, the lower deflector 42
Is attached to the car guide rail 9 via a mounting metal (not shown).

By providing such deflecting wheels 41 and 42, the gripping side 14a and the counter-gripping side 14b of the speed governor rope 14 are provided.
And the long side dimension of the duct 31 is reduced to about 1/3. As a result, the frontage dimension of the hoistway 21 (the dimension in the left-right direction in FIG. 7) is shortened, the occupied area of the elevator in the building is reduced, and the efficiency for the building is improved.

Here, the opposite grip side 14b of the governor rope 14
If the upper deflecting wheel 41 is installed in, the operating force of the speed governor 12 is minimized. In addition, the governor 12 operates and the governor rope
Even if 14 is not paid out, a large downward force is applied to the upper part of the sheave of the governor 12, and the load is applied to the shaft of the upper deflector 41, so the upper deflector 41 is economical in terms of its strength. It is possible to manufacture it.

Further, in this embodiment, by using the deflecting wheels 41 and 42, a normal standard product can be applied as the speed governor 12 and the tensioning wheel 13, which is not only inexpensive but also in view of standardization. preferable. In addition, the upper deflector is attached to the play side of the governor 12.
By installing 41, the winding angle of the speed governor rope 14 in the sheave of the speed governor 12 is increased and the slip is reduced, so that the speed governor 12 operates more accurately.

Example 3. In the above-described first and second embodiments, the width of the opening 31a of the duct 31 is increased in consideration of the allowance for the passage of the coupling fitting 15, and the diameter of the speed governor rope 14 is 4-5. More than doubled. Therefore, even if the building shakes due to an earthquake, etc.
I had to keep 14 out of the way.

FIG. 8 is a cross-sectional view showing a third embodiment according to the invention of claim 1. In this third embodiment, a flat cable or a flat tape wider than the opening 31a is used for the speed governor rope 14. ing. As a result, the speed governor rope 14 can be prevented from slipping out of the opening 31a without using any special means, and the deflecting wheel 4 shown in FIG.
It is possible to eliminate 1 and 42. For example, if the thickness of the flat cable or the flat tape is set to about 2 mm, it is possible to store the sheave of the governor in a small space of 2 × 32 = 64 mm. Therefore, the distance between the hoistways is reduced, the area occupied by the elevator in the building is reduced, and the efficiency of the building is improved.

Example 4. Next, FIG. 9 is a cross-sectional view showing a mounted state of a duct according to a fourth embodiment of the invention of claim 1, FIG. 10 is a side view of FIG. 9, and FIG. 11 is a front view of FIG. In the figure, an inter-duct fastener 36 is attached to the lower part of the duct 31. On the upper part of the duct 31 connected to this, a partial rising piece 31b is provided which is in contact with the outer peripheral surface of the wall part facing the opening 31a of the upper duct 31. This partially rising piece 31b is provided with an L-shaped notch 31c. As shown in FIG. 11, the upper and lower ducts 31 are connected to each other by hooking the inter-duct fasteners 36 on the notches 31c and tightening them.

In this way, the ducts 31 are sequentially connected, pulled up to the top of the hoistway and temporarily fixed, and fixed to the mounting brackets 37 extending from the car guide rail 9 either below or above the hoistway 21. To do. On the mounting bracket 37, the fastener 38
The duct 31 is fixed to the mounting bracket 37 by hooking the fastener 38 into the dharma-shaped tightening holes 31d provided at appropriate intervals in the duct 31 and tightening.

The fittings 37 are fixed to the car guide rail 9 avoiding joints (not shown) provided at intervals of about 5 m, and one fitting is provided for each duct. Further, the tip of the mounting bracket 37 is bent into an L shape as shown in FIG. 9, and by pressing the duct 31 inside the L-shaped bent portion 37a and tightening the fastener 38,
The accuracy of verticality in the installation of the duct 31 is improved.

When a scaffold is provided from the lower part to the top of the hoistway 21, it is common that a work floor is provided in the hoistway 21 near each floor. Duct fixing work can be started at the same time by the number of workers at a plurality of locations in the road 21, and the construction period can be shortened.

Example 5. FIG. 11 is a sectional view showing a fifth embodiment according to the invention of claim 1, in which ducts 31 are arranged on both sides of the car 22. As a result, not only the side on which the governor rope 14 is located (on the right side in the figure), but also the car guide rail 9 on the opposite side (on the left side in the figure) is hidden from the outside. Since the duct 31 has a design coating, the hoistway 21 looks good from the outside of the building.

[0036]

As described above, in the speed governor device for an elevator according to the first aspect of the present invention, the speed governor ropes are arranged such that the grip side and the non-gripping side are aligned in the width direction of the car, and Since the ducts are combined into one and surround both the grip side and the non-grab side of the governor rope, it is possible to improve the appearance from the outside of the hoistway and the view from the inside of the car, This has the effect of reducing costs. Also, because the duct has an opening, it is easy to inspect the governor rope on both the grip side and the non-grab side, and it is possible to detect defects such as damage to the governor rope at an early stage and to improve safety. There is also an effect that it can be improved.

Further, in addition to the effect of the invention of claim 1, the elevator speed governor device according to a second aspect of the present invention is provided with a deflecting wheel so that the speed governor rope has a gripping side and an opposite gripping side. Since the space between is smaller than the diameter of the sheave, it is possible to reduce the size of the frontage of the hoistway, which reduces the area occupied by the elevator in the building and improves the efficiency of the building. Produce an effect.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view of an elevator for observation having a speed governor device according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along the line II-II of FIG.

3 is a sectional view taken along the line III-III of FIG.

4 is a sectional view taken along the line IV-IV of FIG.

5 is a side view showing a part of the duct of FIG. 3 in an enlarged manner. FIG.

FIG. 6 is an exploded perspective view showing a mounted state of the duct of FIG.

FIG. 7 is a cross-sectional view of a view elevator having a governor device according to an embodiment of the present invention.

FIG. 8 is a sectional view of a view elevator according to a third embodiment of the invention of claim 1.

FIG. 9 is a cross-sectional view showing a mounted state of a duct according to a fourth embodiment of the invention of claim 1.

FIG. 10 is a side view of FIG. 9.

FIG. 11 is a front view of FIG. 9.

FIG. 12 is a sectional view of a view elevator according to a fifth embodiment of the invention of claim 1.

FIG. 13 is a vertical sectional view of an example of a conventional elevator.

14 is a cross-sectional view of the elevator shown in FIG.

FIG. 15 is a cross-sectional view of an example of a conventional view elevator.

[Explanation of symbols]

 12 speed governor 14 speed governor rope 14a gripping side 14b anti-gripping side 15 connecting metal fittings (connecting part) 22 car 31 duct 31a opening 33 concealment device 41 upper deflector 42 lower deflector

─────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] April 19, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0016

[Correction method] Change

[Correction content]

In the figure, the speed governor 12 is installed so that the direction of the rotary shaft of the sheave is parallel to the depth direction of the car 22. As a result, the speed governor rope 14 is attached to the grip side.
It is wound around the sheave of the speed governor 12 so that 14a and the opposite grip side 14b are aligned in the width direction (front direction) of the car 22, that is, in the direction parallel to the spacing direction of the pair of car guide rails 9. There is.

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0035

[Correction method] Change

[Correction content]

Example 5. 1 2 is a sectional view showing a fifth embodiment according to the invention of claim 1, in which is arranged a duct 31 on both sides of the car 22. As a result, not only the side on which the governor rope 14 is located (on the right side in the figure), but also the car guide rail 9 on the opposite side (on the left side in the figure) is hidden from the outside. Since the duct 31 has a design coating, the hoistway 21 looks good from the outside of the building.

Claims (2)

[Claims] 1. A speed governor device for an elevator, wherein a speed governor rope wrapped around a sheave of a speed governor and connected to a car is concealed by a concealing device, wherein the car of the speed governor rope is the car. The grip side and the opposite grip side, which are connected to each other, are arranged so as to be aligned in the width direction of the car, and the concealment device has an opening through which the connecting part of the car of the speed governor rope is inserted. An governor device for an elevator, comprising: a duct having a C-shaped cross section, which is provided and surrounds both the gripping side and the opposite gripping side. 2. A speed governor device of an elevator in which a speed governor rope wrapped around a sheave of a speed governor and connected to a car is hidden by a hiding device. The grip side and the counter grip side connected to each other are arranged side by side in the width direction of the car, and the gap between the grip side and the counter grip side is in contact with the governor rope. The diameter of the sheave is smaller than that of the sheave by a rotating deflecting wheel, and the concealing device is provided with an opening through which a connecting portion of the cage of the governor rope is inserted, and the gripping side and the opposite gripping side are provided. A speed governor device for an elevator, characterized in that it has a duct having a C-shaped cross section surrounding both of them.