JP2013001465A - Elevator governor support apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an elevator governor support apparatus that can be composed of inexpensive and lightweight members even if a governor is installed at a position away from a guide rail.SOLUTION: A cord stop beam 4 is fixed horizontal between adjacent guide rails 2 and 3 on the top inside a hoistway 1. The cord stop beam 4 is connected with a plurality of main ropes 7 which sling down a cage and a balance weight. A governor support member 8 is connected to the cage guide rail 2 under the cord stop beam 4. A connecting member 10 is connected between the second support member end 8b of the governor support member 8 and the middle part of the cord stop beam 4. A governor 13 is mounted on the governor support member 8.

Description

  The present invention relates to an elevator governor support device for supporting a governor with respect to a guide rail.

  In a conventional machine room-less elevator, one end portion of a support member that supports the speed governor is fixed to a guide rail or a rope stop column. In other words, the speed governor is cantilevered by a support member with respect to the guide rail and the rope-stopping pillar (see, for example, Patent Documents 1 and 2).

JP 2000-72353 A WO03 / 018458A1

  In the conventional machine room-less elevator as described above, the speed governor may need to be installed at a position away from the guide rail and the rope-stopping pillar due to layout restrictions in the hoistway. In such a case, it is necessary to increase the rigidity of the support member by increasing the distance from the object to be fixed. Therefore, there is a problem that the support member becomes heavy and expensive, and costs increase.

  The present invention has been made in order to solve the above-described problems. Even when the speed governor is installed at a position away from the guide rail, the control of the elevator that can be configured with an inexpensive and lightweight member. It aims at obtaining a speed machine support device.

  The elevator governor support device according to the present invention is fixed between adjacent guide rails, and is connected to the end of the suspension means for suspending the car. A speed governor support member connected to the rail and to which the speed governor is attached, and a connection member connected between the rope anchoring beam and the speed governor support member are provided.

  Since the governor support device for an elevator according to the present invention connects the governor support member to the rope anchoring beam via the connecting member, the governor support member can be supported at both ends by the guide rail and the connecting member. Thus, even when the speed governor is installed at a position away from the guide rail, the rigidity of the speed governor support member and the connecting member can be reduced, and these can be configured inexpensively and lightly.

It is a front view which shows the governor support apparatus of the machine room less elevator by Embodiment 1 of this invention. It is a top view which shows the principal part of FIG. It is a block diagram which shows the 1st example of the connection part to the tether beam of the connection member of FIG. It is a block diagram which shows the 2nd example of the connection part to the tether beam of the connection member of FIG. It is a block diagram which shows the 1st example of the connection part to the governor support member of the connection member of FIG. It is a block diagram which shows the 2nd example of the connection part to the governor support member of the connection member of FIG. It is a front view which shows the principal part of the governor support apparatus of the elevator by Embodiment 2 of this invention. It is a left view which shows the governor support apparatus of FIG.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
Embodiment 1 FIG.
1 is a front view showing a governor support device for a machine room-less elevator according to Embodiment 1 of the present invention, and FIG. 2 is a plan view showing a main part of FIG. In the figure, a pair of car guide rails 2 facing each other and a pair of counterweight guide rails 3 facing each other are installed in the hoistway 1 (only one of them is shown).

  A car (not shown) is guided up and down in the hoistway 1 by being guided by the car guide rail 2. A counterweight (not shown) is guided up and down in the hoistway 1 by being guided by the counterweight guide rail 3. In this example, the car guide rail 2 and the counterweight guide rail 3 are adjacent to each other at a distance in the depth direction of the car.

  The ropes 4 are fixed horizontally between the adjacent guide rails 2 and 3 at the top of the hoistway 1. In addition, the leash beam 4 includes a first leash beam end portion 4 a fixed to the car guide rail 2 and a second leash beam end portion 4 b fixed to the counterweight guide rail 3. ing.

  The first rope retaining beam end 4 a is in contact with the back surface of the car guide rail 2 and is fixed to the car guide rail 2 using a plurality of sets of rail clips 5. The second rope retaining beam end 4 b is in contact with the back surface of the counterweight guide rail 3 and is fixed to the counterweight guide rail 3 using a plurality of sets of rail clips 6.

  A plurality of main ropes 7 serving as suspension means for suspending the car and the counterweight are connected to the tufting beam 4. The ends of the main ropes 7 are connected to the ropes 4 via shackles 7a. The main rope 7 is wound around a sheave of a hoisting machine (not shown) installed in the hoistway 1. The car and the counterweight are suspended by the main rope 7 and are raised and lowered in the hoistway 1 by the hoisting machine.

  The governor support member 8 is connected to the car guide rail 2 below the rope-stopping beam 4. Further, the governor support member 8 is disposed in parallel with, ie, horizontally, the rope-stopping beam 4. Further, the governor support member 8 includes a first support member end 8a connected to the car guide rail 2 and a second support member that is an end opposite to the first support member end 8a. And an end portion 8b.

  The first support member end 8 a is in contact with the back surface of the car guide rail 2 and is fixed to the car guide rail 2 using a plurality of sets of rail clips 9. A connecting member 10 is connected between the second support member end portion 8b and the intermediate portion of the rope-stopping beam 4. The connecting member 10 has a vertical portion 10a parallel to the guide rails 2 and 3, and a horizontal portion 10b formed by bending an upper end portion of the vertical portion 10a at a right angle.

  The horizontal portion 10 b is in contact with the lower surface of the rope tie beam 4 and is fixed to the rope tie beam 4 by a plurality of upper fasteners 11. The lower end portion of the vertical portion 10 a is in contact with the second support member end portion 8 b and is fixed to the governor support member 8 by a plurality of lower fasteners 12. As the upper fastener 11 and the lower fastener 12, combinations of bolts, flat seats, spring seats, and nuts are used, respectively.

  The rope anchoring beam 4, the governor support member 8, and the connecting member 10 can each be formed of a metal plate such as a steel plate.

  The speed governor support member 8 is attached with a speed governor 13 that detects an overspeed of the car. The governor 13 is supported by the governor support member 8 in the vicinity of an intermediate portion between the guide rails 2 and 3. The governor 13 includes a governor sheave 14, an overspeed detection switch (not shown), a rope catch, and the like. An endless governor rope 15 is wound around the governor sheave 14.

  The governor rope 15 is connected to an emergency stop device (not shown) mounted on the car. A governor tension wheel (not shown) around which a governor rope 15 is wound is provided in the lower part of the hoistway 1. When the car is raised and lowered, the governor rope 15 is circulated, and the governor sheave 14 is rotated at a speed corresponding to the traveling speed of the car 8. When the traveling speed of the car 8 reaches the preset first overspeed, the overspeed detection switch is operated, the energization to the hoisting machine is cut off, and the car is suddenly stopped by the brake of the hoisting machine.

  When the lowering speed of the car reaches a preset second overspeed (second overspeed> first overspeed), the governor rope 15 is gripped by the rope catch, and the governor rope 15 Is stopped. Accordingly, the emergency stop device is mechanically operated, and the car is emergency stopped by the emergency stop device.

  FIG. 3 is a configuration diagram showing a first example of a connecting portion of the connecting member 10 of FIG. 1 to the clasp beam 4, and FIG. 4 is a second view of a connecting portion of the connecting member 10 of FIG. It is the block diagram which shows an example, and is the figure seen along the arrow A of FIG. 1, respectively.

  The horizontal portion 10b of the connecting member 10 has a plurality of elongated upper fastener insertion holes 10c (FIG. 3) through which the upper fastener 11 is passed, or a plurality of notched upper fastener insertion holes 10d (FIG. 4). Is provided. For this reason, in the state where the upper fastener 11 is loosened, the connecting position of the connecting member 10 to the rope anchoring beam 4 can be adjusted in the axial direction of the governor sheave 14 (direction perpendicular to the paper surface of FIG. 1). ing.

  FIG. 5 is a configuration diagram showing a first example of a connecting portion of the connecting member 10 of FIG. 1 to the governor support member 8, and FIG. 6 is a connecting portion of the connecting member 10 of FIG. 1 to the governor support member 8. It is a block diagram which shows the 2nd example of this, and is the figure seen along the arrow B of FIG. 1, respectively.

  At the lower end of the vertical portion 10a of the connecting member 10, a plurality of elongated lower fastener insertion holes 10e (FIG. 5) through which the lower fastener 12 is passed, or a notched lower fastener insertion hole 10f (FIG. 6). Is provided. For this reason, in the state which loosened the lower fastener 12, the connection position of the connection member 10 to the governor support member 8 can be adjusted to an up-down direction.

  In such a machine room-less elevator, a load is applied to the governor support member 8 in a vertically downward direction corresponding to the weight of the governor rope 15 and the governor tension vehicle in addition to the own weight of the governor 13. Further, during operation of the safety device, a governor pulling force is applied vertically downward in addition to the above-described load.

  On the other hand, since the speed governor support device according to the first embodiment connects the speed governor support member 8 to the rope anchoring beam 4 via the connecting member 10, the speed governor support member 8 is connected to the car guide rail. 2 and the connecting member 10 can be supported at both ends. Thus, even when the speed governor 13 is installed at a position away from the guide rails 2 and 3, the speed governor support member 8 and the connecting member 10 can be formed of a flat plate having a low rigidity, and the speed governor support The apparatus can be configured with inexpensive and lightweight members.

  Further, when the governor support member 8 is formed of a flat plate, for example, as shown in FIG. 2, by providing a bent portion (or curved portion) 8 c at an intermediate portion of the governor support member 8, the main rope 7 or the like. Interference with the elevator equipment in the hoistway 1 can be easily avoided, and the layout can be improved.

  Furthermore, before attaching the governor support member 8 to the car guide rail 2, the connection member 10 is attached to the rope anchoring beam 4, thereby determining the installation height of the governor support member 8. It can be used as a guide. Thereby, it is not necessary to measure the installation position with a convex (measure) or the like, and it is possible to shorten the installation time.

  Further, since the elongated hole-shaped upper fastener insertion hole 10c or the notch-shaped upper fastener insertion hole 10d is provided in the horizontal portion 10b, it is possible to absorb the in-plane displacement between the tug beam 4 and the connecting member 10. it can. As a result, installation tolerances and component tolerances can be absorbed, making manufacturing easier and reducing installation time by reducing rework during installation.

  Further, by providing the notch-shaped upper fastener insertion hole 10d in the horizontal portion 10b, the connecting member 10 can be attached to the leash beam 4 without removing the upper fastener 11 from the leash beam 4. The upper fastener 11 is not accidentally dropped.

  Furthermore, since the elongated hole-like lower fastener insertion hole 10e for passing the lower fastener 12 or the notch-like lower fastener insertion hole 10f is provided in the vertical portion 10a, the governor support member 8 with respect to the connecting member 10 is provided. Even if the installation height is slightly deviated, it can be absorbed. This reduces rework during installation and shortens the installation time.

  Further, by providing the notch-shaped lower fastener insertion hole 10f in the vertical portion 10a, the connecting member 10 is connected to the governor support member 8 without removing the lower fastener 12 from the governor support member 8. Thus, the lower fastener 12 is not accidentally dropped during installation.

Embodiment 2. FIG.
7 is a front view showing a main part of the governor support device for an elevator according to Embodiment 2 of the present invention, and FIG. 8 is a left side view showing the governor support device of FIG. In this example, a combination of a square root bolt, a spring seat and a nut is used as the lower fastener 12. The square root bolt is a bolt whose section between the head and the screw portion is rectangular. Other configurations are the same as those in the first embodiment.

  In such a governor support device, since the connecting member 10 is connected to the governor support member 8 using a square root bolt, the rotation of the square root bolt with respect to the lower fastener insertion hole 10e is prevented, and the connecting member 10 Only one spanner is required for connecting the motor to the governor support member 8, so that the installation work can be simplified and the installation time can be shortened.

Note that the lower fastener 12 of the second embodiment can also be applied to the lower fastener insertion hole 10f shown in FIG.
Moreover, although the flat connection member 10 was shown in said example, it is not limited to this, For example, it can also be set as flexible things, such as a rod-shaped thing or a wire.
Furthermore, in the above example, the speed governor 13 is provided at the top of the hoistway 1 and the speed governor tension wheel is disposed at the lower part of the hoistway, but the speed governor 13 is disposed at the lower part of the hoistway, The present invention can also be applied to an elevator in which the upper guide wheel around which the governor rope 15 is wound is provided at the top of the hoistway. In this case, the upper guide wheel is supported by the governor support member 8 instead of the governor 13.
Furthermore, in the above example, the governor support member 8 is connected to the car guide rail 2, but may be connected to the counterweight guide rail 3 depending on the layout of the elevator.
In the above example, the main rope 7 is shown as the suspension means, but the suspension means may be a belt.
Furthermore, although the machine room-less elevator is shown in the above example, the elevator to which the present invention is applied is not necessarily limited to the machine room-less type.

  DESCRIPTION OF SYMBOLS 1 Hoistway, 2 Car guide rail, 3 Counterweight guide rail, 4 Tail beam, 7 Main rope (suspension means), 8 Speed governor support member, 10 Connecting member, 10c, 10d Upper fastener insertion hole, 10e , 10f Lower fastener insertion hole, 11 Upper fastener, 12 Lower fastener, 13 Speed governor.

Claims (4)

Tightening beams fixed between adjacent guide rails and connected to the end of suspension means for hanging the car,
A governor support member connected to any one of the guide rails below the clasp beam and to which a speed governor is attached, and a connection coupled between the cleat beam and the governor support member A speed governor support device for an elevator, comprising: a member. The connecting member is connected to the rope-stopping beam by an upper fastener,
2. The governor support device for an elevator according to claim 1, wherein the connecting member is provided with an upper hole insertion hole having a long hole shape or a notch shape through which the upper fastener is passed. The connecting member is connected to the governor support member by a lower fastener,
3. The governor support device for an elevator according to claim 1, wherein the connecting member is provided with a slotted or notched lower fastener insertion hole through which the lower fastener is passed. .   The governor support device for an elevator according to any one of claims 1 to 3, wherein the connecting member is connected to the governor support member by a square root bolt.

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