JPH0734071Y2 - Governor rope steady rest device for elevator - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a governor rope for an elevator that conveys the speed of a moving body such as an elevator car or a counterweight to a governor, and more particularly to a steady rest device for the governor rope. .

[Conventional technology]

As an example of a conventional governor rope steady rest device for elevators, a governor rope steady rest device for elevator cars
This will be described with reference to FIG. 8 and FIG. 8 which is a sectional view taken along the line I-I of FIG. In the figure, 1 is a hoistway in which a car and a counterweight (not shown), which are moving objects, ascends and descends, 2 is a side wall of the hoistway 1, and 3 is laid on the side wall 2 of the hoistway 1 with its longitudinal direction oriented vertically. A guide rail, 4 is a machine room directly above the hoistway 1, and 5 is a governor installed in the machine room 4 for detecting the speed of a car (not shown),
Reference numeral 6 denotes a tension wheel that is vertically provided below the governor 5 and is pulled downward by a weight 7. Reference numeral 8 denotes an arm whose one end is fixed to the guide rail 3 and whose other end guides the vertical movement of the tension wheel 6. , 9 is an endless governor rope wound around the governor 5 and the tensioning wheel 6 and stretched, 9a is fixed to the car via the lever 10, the driving side rope of the governor rope 9, and 9b is the driven side of the governor rope 9. One end of the rope, 11 is fixed to the guide rail 3 and extends in the horizontal direction, and is a mounting arm located between the governor rope 9 and the side wall 2 and above the arm 8 of the tensioning wheel 6 by a predetermined distance from each other. A plurality of them are arranged with a space between them. Reference numeral 12 denotes a hat-shaped holder with a bent steel strip, and both ends thereof are fixed to the mounting arm 11 by bolts 14 and nuts 15 so as to form a space 13 into which the driven rope 9b of the governor rope 9 is loosely inserted. Is attached to. Reference numeral 16 denotes a horizontal (X-direction) elongated hole formed in the mounting arm 11, and the holder 12 for the mounting arm 11 is adjusted by adjusting the insertion position of the bolt 14.
The mounting position, that is, the position of the holder 12 with respect to the driven rope 9b in the X direction can be adjusted.
Reference numerals 17 and 18 denote protective members whose surfaces attached to the holder 12 and the mounting arm 11 are made of an elastic body having a low friction.
A steady rest 19 is constituted by 11 to the protective member 18.

In the above-mentioned conventional governor rope steady rest device, during normal operation, the drive side rope 9a of the governor rope 9 is interlocked with the raising / lowering operation of the car through the lever 10 and moves in the same direction as the car to move the governor 5 into the car. Drive at the number of rotations corresponding to the speed. On the other hand, the driven rope 9b moves in the opposite direction through the space 13 and the cage. At this time, even if the driven rope 9b swings in the horizontal direction due to the normal movement of the car, it does not scratch because it rubs against the protection members 17 and 18.
No perceptible rubbing noise is produced. Therefore, the passengers are not anxious.

On the other hand, in the event of an abnormal situation such as the occurrence of an earthquake, the governor rope 9 receives an abnormal force in the horizontal direction, but the driven rope 9b has a plurality of steady rests arranged at appropriate positions in the hoistway 1.
Since the horizontal runout is limited by 19, the hoistway 1
It is possible to prevent the device from being caught in another device or the like arranged inside.

[Problems to be solved by the device]

However, in the above-mentioned conventional governor rope steady rest, when inserting the driven rope 9b in the space 13, the bolt 14 and the nut 15 are removed, and the parts constituting the space 13 are disassembled once to disassemble the driven rope. After inserting 9b, each part had to be reassembled, so there was a risk of accidentally dropping the part during work. Further, the mounting position of the holder 12 is adjustable in the X direction in FIG. 8 but not adjustable in the Y direction.

The present invention is intended to solve the above problems.

[Means for Solving the Problems]

In the governor rope steady rest of the present invention, one end of the retainer is always attached to the attachment arm with a nut, and
The other end is configured to be attachable to and detachable from the mounting arm by loosening or tightening the nut at the one end.

[Action]

According to the present invention, when inserting the driven rope into the space, loosen the nut at one end of the holder to remove the other end from the mounting arm, insert the driven rope, and then attach the other end to the mounting arm. The nut at the one end is tightened.

〔Example〕

An embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a front view of a main part of the present embodiment, FIG. 2 is a plan view of FIG. 1, and FIG. 3 is a view showing a state during a mounting operation of a steady rest.

In the figure, 20 is a holder in which a steel rod having a threaded portion 21 at one end is bent in a U shape, 22 and 23 are elongated holes formed in a mounting arm 24, and one elongated hole 22 has a threaded portion 21. Inserted with nut 2
The holder 20 is fixed by 5,25. The other end 26 of the holder 20 is inserted into the other long hole 23, but the other end 26 is merely inserted and locked, and is not fixed to the mounting arm 24. 27 is a band-shaped first protective material wound around the holder 20 and made of an elastic body having a low friction, and 28 is a first protective member fixed to the holder 20 side of the mounting arm 24 and made of an elastic body having a low friction. The second protective member 29 is a split pin for preventing the nut 25 from coming off, and the holding tool 20 to the split pin 29 constitute a steady rest 30. The same reference numerals as those in FIG. 8 indicate the same parts.

Next, in the present embodiment, a case where the driven rope 9b is inserted into the space 13, that is, a case where the steady rest 30 is attached to the driven rope 9b will be described. First, the mounting arm 24 is fixed to the guide rail 3 by the rail clip 31 and the nut 32. Next, the nuts 25, 25 are loosened, the holder 20 is tilted as shown in FIG. 3, the other end 26 is pulled out from the elongated hole 23, and the driven rope 9b is inserted into the space 13. Thereafter, the other end 26 is again inserted into the elongated hole 23 and the screw portion 21 is tightened with the nuts 25, 25 as shown in FIG.

When inserting the driven-side rope 9b in the space 13 as described above, it is only necessary to loosen and tighten the nuts 25, 25, and it is not necessary to separate the components that make up the space 13 as in the conventional art. There is no fear of dropping parts inside, and workability and safety can be improved. Further, the position adjustment between the holder 20 and the mounting arm 24, that is, the driven side rope 9b is performed by using the long hole 2
By using 2,23, adjustment in the X direction of Fig. 2 can be performed,
Also, the adjustment in the Y direction can be performed by changing the tightening position of the nuts 25, 25 with respect to the screw portion 21.

The first protective material 27 may be wound around the holder 20 in advance, or may be wound after the work is completed. Furthermore,
Although the second protective member 28 is a plate-shaped member, a band-shaped member may be wound around the mounting arm 24 as in the first protective member. Furthermore, the holder 20 is not limited to the U-shape, but may be a U-shape or a semicircle.

In the above embodiment, in order to completely prevent the driven rope 9b from being damaged when the driven rope 9b swings, it is necessary to wind the first protective material around the nut 25, and the driven rope 9b. In order to prevent the mounting arm 24 from coming into contact with the mounting arm 24, it is necessary to take measures such as thickening the second protective material 28 or winding the first protective material 27 around the wide mounting arm as described above.

Next, another embodiment in which this point is improved will be described with reference to FIGS. FIG. 4 is a view corresponding to FIG. 1 and FIG. 5 is a view corresponding to FIG. 2, respectively, and FIGS. 6 (a) to 6 (d) are explanatory views of the mounting work of the governor rope steady rest.

In the figure, 50 is a steady rest of this embodiment, 40 is a spiral holder, and a screw portion 41 is provided at one end as in the above embodiment.
Is provided and is inserted into the long hole 22 and the mounting arm 2 is
It is fixed to 4, and the other end 42 is inserted into the elongated hole 23 and locked to the mounting arm 24. The same reference numerals as those in FIG. 2 indicate the same parts.

When inserting the driven rope 9b into the space 13 in this embodiment, first loosen the nuts 25, 25 to lengthen the other end 42 of the protector 40 as shown in FIGS. 6 (a) to (d). Pull out from hole 23,
The holder 40 is attached to the driven rope 9b as shown in FIG.
Rotate in the order of (d). After that, the other end 42 is inserted into the elongated hole 23, and the screw portion 41 is tightened with the nuts 25, 25 as shown in FIG.

Also in the case of the present embodiment, when inserting the driven rope 9b in the space 13, it is only necessary to loosen and tighten the nuts 25, 25. Further, since the driven rope 9b is inserted into the space portion 13 formed only by the holder 40, even if the driven rope 9b swings, the driven rope 9b is located inside the spiral portion of the holder 40. Since it only contacts, the driven rope 9b can be protected only by winding the first protective material 27 around the holder 40. Therefore, it is not necessary to provide the mounting arm 24 with the second protective member 28 as in the embodiment of FIG.
Does not get caught in the nut 25.

In the above embodiments, the mounting arm 24 is indirectly fixed to the hoistway side wall 2 via the guide rail 3, but may be directly fixed. In addition, the first protective material 27 is a belt-shaped holder 2
Although it is wound around 0 and 40, it may be covered with a tubular body or coated with a synthetic resin material. Further, the elongated hole 23 may be a cutout hole communicating with the right side of the mounting arm 24 (on the side opposite to the guide rail 3). Furthermore, in order to further widen the adjustment width in the X direction, a plurality of elongated holes 22 and 23 may be provided.

[Effect of device]

As described above, according to the present invention, it is possible to improve workability and safety during the work of attaching the steady rest to the driven rope of the governor rope, and to attach the steady rest to the driven rope. The position can be adjusted to the optimum position.

[Brief description of drawings]

1 to 3 are views showing an embodiment of the present invention. FIG. 1 is a front view of essential parts, FIG. 2 is a plan view of FIG. 1, and FIG. FIGS. 4 to 6 are views showing another embodiment of the present invention, FIG. 4 is a front view of a main part, FIG. 5 is a plan view of FIG. 4, and FIG. Figure (a)
~ (D) is an explanatory view of the mounting work of the steady rest, FIG.
FIG. 8 is a view showing a main part of a conventional elevator hoistway, and FIG. 8 is a sectional view taken along the line I--I of FIG. 1 ... Hoistway, 2 ... Hoistway side wall, 3 ... Guide rail, 5 ... Governor, 6 ... Tension wheel, 9 ... Governor rope, 9a ... Governor rope drive side rope, 9b ... Governor rope driven Side ropes, 11,24 ... Mounting arms, 12,20,40 ...
… Holder, 13 …… Space part, 16,22,23 …… Oval hole, 27 …… First protective material, 28 …… Second protective material

Claims (2)

[Scope of utility model registration request] 1. A governor for detecting the speed of a moving body moving up and down in a hoistway, a tensioning wheel provided in pair with the governor, and the governor and the tensioning wheel wound endlessly on one side of the governor. A governor rope comprising a driving side rope fixed to the moving body and a driven side rope which moves in a direction opposite to the driving side rope, and a governor rope steady rest having a space portion in which the driven side rope is loosely inserted. A mounting arm fixed to the hoistway, one side is inserted into the long hole of the mounting arm and fixed in this long hole by a fastener, and the other side is inserted into the long hole or notch of the mounting arm. When the driven side rope formed by the mounting arm and the holding tool is loosely inserted, the holding tool is attached to the mounting arm so as to be positionally adjustable in two directions. Space The elevator governor rope is characterized in that, by loosening the fastener, only the other side of the holder is removed from the mounting arm, and the driven rope can be inserted into the space portion. Steady rest device. 2. A governor for detecting the speed of a moving body moving up and down in a hoistway, a tensioning wheel provided in pair with the governor, and the governor and tensioning wheel wound endlessly on one side of the governor. A governor rope comprising a driving side rope fixed to the moving body and a driven side rope which moves in a direction opposite to the driving side rope, and a governor rope steady rest having a space portion in which the driven side rope is loosely inserted. A spiral arm having a mounting arm fixed to the hoistway and a space in which the driven side rope is loosely inserted in the middle part, and one side is inserted into the long hole of the mounting arm and the fastener is attached. Is fixed to this long hole by the above, and the other side is locked by being inserted into the long hole or notch of the above-mentioned mounting arm, so that it can be adjusted in two directions and is attached to the above-mentioned mounting arm. And the fastener By Mel, only the other side of the holder removed from the attachment arm, the space above the driven rope governor rope steadying device for elevator and characterized by being configured for insertion into.