JP5130921B2 - Elevator rope steady rest - Google Patents

Description

  The present invention relates to an elevator rope steadying device.

  With conventional elevator rope steady rests, the hoisting rope, control cable, or governor rope connected to the hoistway or the counterweight are greatly shaken by the shaking of the building during an earthquake or strong wind. An elevator in which a car and a counterweight are suspended on a hoisting rope so that they do not interfere with equipment installed in the hoistway, and a compen- sion rope is suspended from the lower surface of the counterweight via a compensator to the lower surface of the car. In the apparatus, the mounting member is installed so as to face each other in the vicinity of the vertical movement path of the counterweight, and is installed between the mounting members at a predetermined distance from the counterweight that moves up and down as the cage moves up and down. And a first and second elastic body doubled on the outer surface of the frame. The steady rest, which is arranged at least one is known in the vertical movement path direction of the counterweight (e.g., see Patent Document 1).

JP 2003-276965 A

  However, in the conventional elevator rope steadying apparatus shown in Patent Document 1, since the rope steadying apparatus is fixedly attached at a predetermined interval between the car and the counterweight, the maintenance worker When the car is moved while performing maintenance and inspection work on the ceiling of the car, instruments used for maintenance and inspection work are sandwiched between the handrails provided on the car and the rope steadying device. However, there is a problem that the movement of the car may be hindered and a problem that this maintenance worker may come into contact with the rope steadying device.

  The present invention has been made to solve the above-described problems.When a maintenance worker is carrying out maintenance inspection work on the ceiling of the car, the car is moved on the car. It is an object of the present invention to provide an elevator rope steadying device that can prevent an instrument used for maintenance work from being sandwiched between a handrail provided and a rope steadying device.

With respect to the elevator rope steadying device according to the present invention, a pair of car rails arranged in opposition to the hoistway, a pair of weight rails arranged to oppose the hoistway, and the car rail An elevator comprising: a guide that is guided and arranged to be raised and lowered in the hoistway; and a counterweight that is guided by the weight rail and arranged to be raised and lowered in the hoistway; An elevator rope steadying device provided between the lifting / lowering path of the counterweight, wherein the resting arm provided between the lifting / lowering path of the car and the lifting / lowering path of the counterweight, The steady arm is held in a horizontally inward position, and when the predetermined load is applied from above to below or from below to above, the steady arm is held at the predetermined load. Comprising a bracing arm rotation means is same direction in a predetermined range rotation and direction, the said steadying arm pivoting means comprises a stop shaft runout supporting the arm stop the shake rotatably, said bracing A position restricting ring that is provided on the shaft and restricts the steady-state shaft from sliding in the longitudinal direction over a predetermined distance, and is arranged so that the longitudinal direction is horizontal and perpendicular to the steady-state shaft, A stopper guide having a substantially cylindrical shape with one end on the side close to the steadying shaft opened, and a stopper ball fitted into the stopper guide so that a part thereof protrudes from one end of the stopper guide A stopper spring that is inserted into the stopper guide and biases the stopper ball against the steady shaft, and the steady arm of the steady shaft is in a horizontally inward position. The stopper ball is drilled at a position where the stopper ball abuts, has a diameter smaller than the diameter of the stopper ball, and is biased by the stopper spring when the steadying arm is in a horizontally inward position. Further, a ball receiving hole formed so that the stopper ball is engaged, and a twist spring that biases the steady arm so as to restore it to a horizontally inward position .

Oite to the elevator rope anti-vibration apparatus according to the present invention, when a maintenance worker is performing the maintenance and inspection work riding on the ceiling of the car, in the case of moving the car, handrail or the like provided on the car There is an effect that it is possible to prevent an instrument or the like used in maintenance inspection work from being sandwiched between the rope and the rope steadying device.

Embodiment 1 FIG.
1 to 9 relate to Embodiment 1 of the present invention, FIG. 1 is a plan view of an elevator hoistway, and FIG. 2 is a side view showing a state in which a maintenance worker is in contact with a rope steady stop during a car ascending operation. FIGS. 3 and 3 are perspective views showing a state where a maintenance worker is in contact with the rope steady rest during the car ascending operation, FIG. 4 is a perspective view of the rope steady rest, and FIG. 5 is an exploded perspective view in which a main part of the rope steady rest is enlarged. FIG. 6, FIG. 6 is an enlarged plan view of the main part of the rope steady rest, FIG. 7 is a sectional view cut along a section AA in FIG. 6, and FIG. 8 is a sectional view cut along a section BB in FIG. FIG. 9 is a cross-sectional view taken along a section CC in FIG.
In the figure, reference numeral 1 denotes an elevator hoistway. In this hoistway 1, a pair of car rails 2 arranged opposite to each other and a pair of weight rails 3 arranged opposite to each other are respectively provided with a car rail bracket 4 and a weight. It is erected by the rail bracket 5. The car 6 is guided to the car rail 2 and the counterweight 7 is guided to the weight rail 3 so as to be raised and lowered in the hoistway 1.
A hoisting rope 8 (not shown) installed at the top of the hoistway 1 is wound around a hoisting rope 8. One end of the hoisting rope 8 is on the upper surface of the car 6, and the other end is the counterweight 7. Each is connected to the upper end. A car upper handrail 6 a is erected along the outer periphery of the upper surface of the car 6.
9 is a speed governor rope connected to the car 6 after being wound around a speed governor (not shown) for detecting the speed of the car 6, and 10 is a control panel (not shown) for controlling the overall operation of the elevator and the car. The control cable 10 is electrically connected to the hoistway cable hanger 11 provided in the hoistway 1 and the car cable hanger 12 provided on the lower surface of the car 6. And is suspended in the hoistway 1.

Reference numeral 13 denotes ropes such as the hoisting rope 8 and the governor rope 9 which are provided in the hoisting path 1 between the hoisting path of the car 6 and the hoisting path of the counterweight 7. And a rope steady stop that prevents the control cable 10 and the like from being greatly shaken and caught on equipment or the like in the hoistway 1 and is configured as follows.
A mounting plate 13a is fixed to each of the pair of weight rails 3 by a rail clip 14 and a clip bolt 14a, and these mounting plates 13a are arranged at substantially the same height. A columnar steadying shaft 13b whose longitudinal dimension is longer than the horizontal dimension of the mounting plate 13a is rotatably mounted on each mounting plate 13a by a bearing 13c and a bearing bolt 13d.
A first steadying arm 13e is fixed to one end of the one steadying shaft 13b, and a second steadying arm 13f is fixed to one end of the other steadying shaft 13b. The side on which the first steadying arm 13e of the one steadying shaft 13b is fixed and the side on which the second steadying arm 13f of the other steadying shaft 13b is fixed are connected to the weight rail 3. On the other hand, they are arranged on the same side and on the side where the car 6 is arranged. That is, the first steadying arm 13 e and the second steadying arm 13 f are provided between the lifting path of the car 6 and the lifting path of the counterweight 7.
The longitudinal dimension of the first steadying arm 13e and the second steadying arm 13f is longer than half of the distance between the pair of weight rails 3, and between the pair of weight rails 3. Near the center, one of the first steadying arm 13e and the second steadying arm 13f (here, the first steadying arm 13e) is on the upper side, and the other (here, the second steadying arm 13e). 13f) are shifted in the vertical direction so as to be positioned on the lower side, and the end portions of the first steadying arm 13e and the second steadying arm 13f overlap each other. That is, the steady rest arm is divided into right and left near the center between the pair of weight rails 3. Here, one corner portion of each of the end portions of the first steady rest arm 13e and the second steady rest arm 13f that overlap in the vertical direction is formed in a smooth shape.
Each of the pair of steadying shafts 13b includes a first position regulation ring 13g and a second position regulation that regulate the sliding of the steadying shaft 13b in the longitudinal direction beyond a predetermined distance. A ring 13h is provided. The first position restricting ring 13g is located near the first steady rest arm 13e or the second steady rest arm 13f of the steady rest shaft 13b, and the second position restricting ring 13h is the steady rest. The first position restricting ring is attached to an end portion of the shaft 13b on the side of the anti-rest arm, and when the anti-rest shaft 13b tries to slide in the longitudinal direction beyond a predetermined distance. 13g or the second position regulating ring 13h abuts against the end of the mounting plate 13a, thereby regulating the slidable distance in the longitudinal direction of the steadying shaft 13b.
Further, each of the pair of steadying shafts 13b has a range in which the first steadying arm 13e and the second steadying arm 13f can be rotated within a range from a horizontally inward position to a vertically upward position. A rotation range restricting stopper 13j for restricting the inside is provided. The rotation range restricting stopper 13j has a shape having a notch formed by cutting out one corner from a rectangular plate-like body, and the notch is brought into contact with a circumferential portion of the steady shaft 13b. The first steadying arm 13e and the second steadying arm 13f are fixed to each of the steady resting shafts 13b perpendicular to the longitudinal direction of the steady resting shaft 13b. When the rotating range is used beyond the range of the vertically upward position, one end of the rotation range regulating stopper 13j comes into contact with the surface of the mounting plate 13a, so that the first steadying arm 13e and the The pivotable range of the second steady rest arm 13f is restricted.

In a normal state, due to the action of gravity, the first steadying arm 13e and the second steadying arm 13f are respectively positioned horizontally inward (FIG. 4) and are located in the hoistway 1 The ropes to be arranged and the control cable 10 and the like are largely shaken to prevent the ropes from being caught by the equipment in the hoistway 1.
When the maintenance worker 15 is carrying out maintenance inspection work on the ceiling (upper surface) of the car 6, when the car 6 is moved in the upward direction, it is provided on the car 6 for some reason. If an instrument or the like used for maintenance and inspection work has entered between the car upper handrail 6a and the like and the rope steady rest 13, the first steady rest arm 13e and the second steady rest arm 13f. When an upward load is applied from below, the first steadying arm 13e and the second steadying arm 13f jump up. Also, when the maintenance worker 15 comes into contact with the rope steady rest 13, the first steady rest arm 13e and the second steady rest arm 13f jump up (FIGS. 2 and 2). 3).

In the elevator rope steadying apparatus configured as described above, when a maintenance worker is performing maintenance inspection work on the ceiling of the car, when the car is moved in the upward direction, for some reason The handrail provided on the car will be lifted up when the equipment used for maintenance work enters between the car handrail provided on the car and the rope steady. It is possible to prevent the appliances used for the maintenance inspection work from being sandwiched between the cable and the rope steadying device.
In addition, since the steady rest arms are divided into left and right, the weight of each steady rest arm can be reduced, and the predetermined load required for the steady rest arm to rotate upward can be reduced. It is possible.

Embodiment 2. FIG.
FIGS. 10 to 13 relate to the second embodiment of the present invention. FIG. 10 is a perspective view of the rope steady rest, FIG. 11 is an exploded perspective view in which a main part of the rope steady rest is enlarged, and FIG. FIG. 13 is a cross-sectional view showing a state in which the rope steadying arm is rotated up and down in FIG. 10 to 13, the same reference numerals as those in FIGS. 1 to 9 denote the same or corresponding parts, and the description thereof is omitted.
In the configuration of the first embodiment described above, the pivotable range of the steady rest arm is restricted within the range of the horizontal upward position to the vertical upward position, but the second embodiment described here is The steady rest arm is configured to be rotatable from a horizontally inward position to either a vertically upward position or a vertically downward position.
That is, in place of the rotation range regulating stopper 13j in the first embodiment, the first steadying arm 13e and the second steadying arm 13f are held in a horizontally inward position in a normal state, and the first When an upward or downward load is applied to the steady rest arm 13e and the second steady arm 13f, the first steady arm 13e and the second steady arm 13f are vertically upward. A stopper 16 configured to be rotatable toward a position or a vertically downward position is provided, and the stopper 16 is configured as follows.
A substantially L-shaped stopper mounting metal 16a in front view is screwed perpendicularly to the mounting plate 13a, and the stopper mounting metal 16a has a longitudinal direction perpendicular to the mounting plate 13a (that is, A stopper guide 16b having a substantially cylindrical shape, which is disposed horizontally (perpendicular to the steady shaft 13b) and is open at one end close to the steady shaft 13b, is screwed.
A stopper spring 16c is inserted into the stopper guide 16b, and a stopper ball 16d is fitted therein. The stopper spring 16c urges the stopper ball 16d to be pressed against the steady shaft 13b, and the stopper ball 16d is provided so that a part thereof protrudes from one end of the stopper guide 16b. Yes.
There is a ball receiving hole at a position where the stopper ball 16d abuts when the first steady arm 13e (or the second steady arm 13f) is in a horizontal inward position of the steady shaft 13b. 13k is drilled. The ball receiving hole 13k has a diameter smaller than that of the stopper ball 16d, and the first steadying arm 13e (or the second steadying arm 13f) is in a horizontally inward position. Further, the stopper ball 16d biased by the stopper spring 16c is engaged with the ball receiving hole 13k.
Between the first position restricting ring 13g of the steady shaft 13b and the first steady arm 13e (or the second steady arm 13f), the first steady arm 13e and the first steady arm 13e A twist spring 17 that urges the second steady rest arm 13f to be restored to a horizontally inward position is provided around the steady shaft 13b, and one end of the twist spring 17 is provided on the mounting plate. The other end is fixed to the first steadying arm 13e (or the second steadying arm 13f).
Other configurations are the same as those in the first embodiment.

In a normal state, the stopper ball 16d biased by the stopper spring 16c engages with the ball receiving hole 13k, so that the first steady arm 13e and the second steady arm 13f are The ropes arranged in the hoistway 1 and the control cable 10 etc. are greatly shaken and caught by the equipment in the hoistway 1 etc. To prevent.
When the maintenance worker 15 is carrying out maintenance inspection work on the ceiling (upper surface) of the car 6, when the car 6 is moved in the upward direction, it is provided on the car 6 for some reason. If an instrument or the like used for maintenance and inspection work has entered between the car upper handrail 6a and the like and the rope steady rest 13, the first steady rest arm 13e and the second steady rest arm 13f. If a load is applied from below to above the predetermined load, the stopper ball 16d is disengaged from the ball receiving hole 13k, and the first steady arm 13e and the second runout are disengaged. The stop arm 13f rotates upward. Further, even when the maintenance worker 15 comes into contact with the rope steady rest 13, an upward load is applied to the first steady rest arm 13e and the second steady rest arm 13f from below. If the load is greater than or equal to a predetermined value, the stopper ball 16d and the ball receiving hole 13k are disengaged, and the first steady arm 13e and the second steady arm 13f rotate upward. (FIG. 13).
Then, after the rotation, the first steadying arm 13e and the second steadying arm 13f are restored to the horizontally inward position by the biasing force of the twist spring 17.
In addition, when the car 6 is moved in the downward direction, an instrument used for maintenance and inspection work between the car handrail 6a provided on the car 6 and the rope steady rest 13 for some reason. Has entered the first steady arm 13e and the second steady arm 13f from above, and if this load exceeds a predetermined value, the stopper ball 16d and the The engagement with the ball receiving hole 13k is released, and the first steadying arm 13e and the second steadying arm 13f rotate downward. In addition, even when the maintenance worker 15 comes into contact with the rope steady rest 13, a load from above to below is applied to the first steady rest arm 13e and the second steady rest arm 13f. If the load is equal to or greater than a predetermined value, the stopper ball 16d and the ball receiving hole 13k are disengaged, and the first steady arm 13e and the second steady arm 13f rotate downward. (FIG. 13).
Then, after the rotation, the first steadying arm 13e and the second steadying arm 13f are restored to the horizontally inward position by the biasing force of the twist spring 17.
The predetermined load for disengaging the stopper ball 16d and the ball receiving hole 13k can be adjusted in advance to a desired value by adjusting the biasing force of the stopper spring 16c.

In the elevator rope steady rest constructed as described above, when the maintenance worker is carrying out maintenance inspection work on the ceiling of the car, the car is moved for some reason when the car is moved in the upward direction. When an instrument used for maintenance work enters between the upper rail of the car and the rope steady rest, an upward load is applied to the steady rest arm. If there is, the engagement between the stopper ball and the ball receiving hole is disengaged, and the steadying arm rotates upward, so that the same effect as in the first embodiment can be obtained.
In addition to this, when a downward load of a predetermined amount or more is applied to the steadying arm, the stopper ball and the ball receiving hole are disengaged, and the steadying arm is rotated downward. Therefore, not only when the car is moved in the upward direction, but also when the car is moved in the downward direction, maintenance and inspection work is not performed between the handrail provided on the car and the rope steadying device. It is possible to prevent the appliance used in the process from being caught.

Embodiment 3 FIG.
14 and 15 relate to the third embodiment of the present invention. FIG. 14 is an enlarged perspective view of the main part of the rope steady rest, and FIG. 15 is a sectional view cut along a section DD in FIG. is there. 14 and 15, the same reference numerals as those in FIGS. 1 to 9 denote the same or corresponding parts, and the description thereof is omitted.
The third embodiment described here is obtained by providing a soft material molded on the surface of the rope steadying arm in the configuration of the first or second embodiment described above.
That is, the surface of the first steady arm 13e and the second steady arm 13f is provided with a molded soft material 18, and other configurations are the same as those in the first or second embodiment. It is the same.

  In the elevator rope steadying device configured as described above, in addition to being able to achieve the same effects as those of the first to second embodiments, a soft material can be used for maintenance of the rope steadying. It is possible to reduce the impact that occurs when a tool or the like to be used comes into contact. Also, the ropes and control cables arranged in the hoistway are greatly shaken to reduce the impact generated when they collide with the rope steady rest, and prevent the ropes and the control cables from being damaged beforehand. be able to.

Embodiment 4 FIG.
FIG. 16 relates to Embodiment 4 of the present invention, and is an enlarged perspective view of a main part of the rope steadying. In FIG. 16, the same reference numerals as those in FIGS. 1 to 9 denote the same or corresponding parts, and the description thereof is omitted.
In the fourth embodiment described here, in addition to the configurations of the first to third embodiments described above, a cautionary note is provided on the surface of the rope steady rest arm to call attention to maintenance personnel. is there.
That is, on the surface of the first steady arm 13e and the second steady arm 13f, a caution note 19 that calls attention to the maintenance worker 15, for example, “Do not put your hands or feet here” The other configurations are the same as those in the first to third embodiments.

  In the elevator rope steadying device configured as described above, in addition to being able to achieve the same effects as those of the first to third embodiments, the maintenance worker carelessly contacts the steadying arm. It is possible to prevent the steady arm from rotating due to the load applied by this contact.

It is a top view of the elevator hoistway regarding Embodiment 1 of this invention. It is a side view which shows the state which the maintenance worker contacted the rope steadying during the cage raise driving | operation regarding Embodiment 1 of this invention. It is a perspective view which shows the state which the maintenance worker contacted the rope steadying during the cage raise driving | operation regarding Embodiment 1 of this invention. It is a perspective view of the rope steady rest concerning Embodiment 1 of this invention. It is the disassembled perspective view which expanded the principal part of the rope steady rest regarding Embodiment 1 of this invention. It is the top view to which the principal part of the rope steady rest regarding Embodiment 1 of this invention was expanded. It is sectional drawing cut | disconnected by the cross section AA in FIG. 6 regarding Embodiment 1 of this invention. It is sectional drawing cut | disconnected by the cross section BB in FIG. 6 regarding Embodiment 1 of this invention. It is sectional drawing cut | disconnected by the cross section CC in FIG. 6 regarding Embodiment 1 of this invention. It is a perspective view of the rope steadying regarding Embodiment 2 of this invention. It is the disassembled perspective view which expanded the principal part of the rope steady rest regarding Embodiment 2 of this invention. It is sectional drawing cut | disconnected by the cross section EE in FIG. 10 regarding Embodiment 2 of this invention. It is sectional drawing which shows the state which the rope steadying arm rotated up and down in FIG. 12 regarding Embodiment 2 of this invention. It is the perspective view which expanded the principal part of the rope steadying regarding Embodiment 3 of this invention. It is sectional drawing cut | disconnected by the cross section DD in FIG. 14 regarding Embodiment 3 of this invention. It is the perspective view which expanded the principal part of the rope steadying regarding Embodiment 4 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Hoistway 2 Car rail 3 Weight rail 4 Car rail bracket 5 Weight rail bracket 6 Car 6a Car upper handrail 7 Counterweight 8 Hoisting rope 9 Governor rope 10 Control cable 11 Hoistway cable hanging hand 12 Car cable hanging hand 13 Rope Stabilizer 13a Mounting plate 13b Stabilizing shaft 13c Bearing 13d Bearing bolt 13e First steady arm 13f Second steady arm 13g First position regulating ring 13h Second position regulating ring 13j Rotation range regulating stopper 13k Ball bearing Hole 14 Rail clip 14a Clip bolt 15 Maintenance worker 16 Stopper 16a Stopper mounting metal 16b Stopper guide 16c Stopper spring 16d Stopper ball 17 Twist spring 18 Soft material 19 Precautionary note

Claims (6)

A pair of car rails arranged opposite to each other in the hoistway, a pair of weight rails arranged opposite to each other in the hoistway, and arranged so as to freely move up and down in the hoistway guided by the car rails. In an elevator comprising a car and a counterweight guided by the weight rail and arranged to be raised and lowered in the hoistway, the elevator is provided between the car hoisting path and the counterweight hoisting path. An elevator rope steady rest device,
A steady-rest arm provided between a lifting path of the car and a lifting path of the counterweight;
In a normal state, the steady rest arm is held in a horizontally inward position, and when a predetermined load is applied to the steady rest arm from above to below or from below to above, the steady arm is attached to the predetermined load. An anti-sway arm rotating means for rotating a predetermined range in the same direction as the direction ,
The steadying arm turning means is
A steady shaft that rotatably supports the steady arm,
A position restricting ring that is provided on the steady rest shaft and restricts the steady rest shaft from sliding in the longitudinal direction over a predetermined distance;
A stopper guide that is arranged so that its longitudinal direction is horizontal and perpendicular to the steady-state shaft, and has a substantially cylindrical shape with one end on the side close to the steady-state shaft being opened;
A stopper ball fitted into the stopper guide so that a part of the stopper guide protrudes from one end of the stopper guide;
A stopper spring that is inserted into the stopper guide and biases the stopper ball against the steady shaft;
The steadying arm of the steadying shaft is drilled at a position where the stopper ball abuts when the steadying arm is in a horizontally inward position, and has a diameter smaller than the diameter of the stopper ball, and the steadying arm A ball receiving hole formed so that the stopper ball biased by the stopper spring engages when the is in a horizontally inward position;
An elevator rope steadying device comprising: a torsion spring that biases the steadying arm so as to be restored to a horizontally inward position .   The said steadying arm is divided | segmented into right and left in the center vicinity between a pair of said weight rails, and consists of a 1st steadying arm and a 2nd steadying arm. Elevator rope steady rest device. The first steady rest arm and the second steady rest arm are:
Having a longitudinal dimension longer than half of the distance between the pair of weight rails;
In the vicinity of the center between the pair of weight rails, the first steady arm and the second steady arm are shifted in the vertical direction so that one of the first steady arm and the second steady arm is located on the upper side and the other on the lower side. 3. The elevator rope steadying device according to claim 2, wherein ends of the one steadying arm and the second steadying arm are provided so as to overlap each other. Range before Kisho constant is claim from claim 1, wherein the range between positions of vertically downward from the scope and position of the horizontal inward between the position of the vertically upward from the position of the horizontal inward The elevator rope steadying device according to any one of claims 3 to 4. The elevator rope steadying device according to any one of claims 1 to 4 , further comprising a soft material provided on a surface of the steadying arm. The elevator rope steadying device according to any one of claims 1 to 5 , further comprising a cautionary note that is provided on a surface of the steadying arm and urges a maintenance worker to pay attention.

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