JP2018100155A - Elevator and elevator brake device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an elevator and an elevator brake device that are capable of easily correcting positional deviation even when the positional deviation occurs in the elevator brake device.SOLUTION: An elevator brake device 6 is provided with: a brake shoe 15; a brake base 17 that is mounted on a base 3 provided to an elevator machine chamber 7 and supports the brake shoe 15; a plate 41 that is arranged so as to touch the brake base 17; and a brake base position adjustment mechanism 40 for moving the plate 41 to move the brake base 17 horizontally to the base 3.SELECTED DRAWING: Figure 2

Description

  The present invention relates to an elevator including an elevator brake device and the elevator brake device.

  The elevator is provided with a rope brake device for braking the car when an abnormality or failure occurs in a main brake or an elevator control device provided in the hoisting machine. However, when the car is braked by sandwiching the main rope with the brake shoe of the rope brake device (elevator brake device), the mounting position of the elevator brake device may shift due to the force acting on the elevator brake device.

  Therefore, the brake base is attached to the mounting member attached to the fixing member of the elevator hoistway, and further, a pressing tool for pressing the brake base is provided on the mounting member, and the mounting position of the brake device is not shifted in the horizontal direction by this pressing tool. There is known a technique for fixing to a lip (Patent Document 1).

JP 2012-153494 A

  However, the technique described above is to make it difficult for the elevator brake device to be displaced in the horizontal direction. If a large force is applied to the elevator brake device, the elevator brake device is level with respect to the fixed member. It may shift in the direction.

  When the position of the elevator brake device is displaced, correction work is required to return the position of the elevator brake device attached to the fixed member to the original position. However, the elevator brake device is heavy and takes a lot of time. It took time and effort.

  The present invention has been made to solve such problems, and an object of the present invention is to provide an elevator and an elevator that can easily correct misalignment even when the misalignment of the elevator brake device occurs. A brake device for a vehicle is provided.

  In order to solve the above problems and achieve the object of the present invention, an elevator according to the present invention includes a main rope having a car connected to one end and a counterweight connected to the other end, and a hoisting machine that drives the main rope. And an elevator brake device that brakes the car that moves up and down in the elevator hoistway by sandwiching the main rope. Furthermore, the elevator brake device is mounted on a brake shoe that brakes the car by sandwiching the main rope between a fixed shoe and a movable shoe arranged to face each other, and a base provided in the elevator hoistway A brake base that supports the brake shoe, an adjustment plate member arranged to contact the brake base, and a brake base that moves the adjustment plate member in a horizontal direction with respect to the base A position adjusting mechanism.

  The elevator according to the present invention includes a main rope having a passenger car connected to one end and a counterweight connected to the other end, a hoisting machine that drives the main rope, and an elevator hoistway by sandwiching the main rope. And an elevator brake device that brakes the car that moves up and down. Further, the elevator brake device is mounted on a brake shoe that brakes the car by sandwiching a main rope between a fixed shoe and a movable shoe arranged to face each other, and a base provided in the elevator hoistway. A brake base that supports the brake shoe, an adjustment plate member arranged so as to contact the brake shoe, and an adjustment plate member that moves the adjustment plate member to the main rope sandwiched between the fixed shoe and the movable shoe. And a brake shoe position adjusting mechanism for moving in a vertical direction.

  According to the elevator and the elevator brake device of the present invention, the positional deviation can be easily corrected when the position of the elevator brake device is adjusted.

It is a whole lineblock diagram showing an elevator provided with a brake device for elevators by an example of an embodiment of the invention. It is a side view of the brake device for elevators by the embodiment of this invention. It is a top view of the brake device for elevators by the example of an embodiment of the invention. It is a longitudinal cross-sectional view of the brake device for elevators by the embodiment of this invention. It is a side view of the brake device for elevators by the other example of embodiment of this invention. It is a top view of the brake device for elevators by the other embodiment of this invention. It is a longitudinal cross-sectional view of the brake device for elevators by the other embodiment of this invention.

  Hereinafter, an embodiment of an elevator brake device and an elevator according to the present invention (hereinafter referred to as “this example”) will be described with reference to FIGS. In addition, the same code | symbol is attached | subjected to the common member in each figure.

<First embodiment>
FIG. 1 is an overall configuration diagram illustrating an elevator including an elevator brake device.
As shown in FIG. 1, an elevator machine room 7 is installed in the upper part of the hoistway 1 of the elevator 100 of the present example, and a base member 3 that is a fixed member attached to the beam member 2 and fixed to the beam member 2. And are provided. A plurality of bases 3 extend in the horizontal direction and are provided in parallel to each other. On these bases 3, a hoisting machine 4, a deflecting sheave 5, and an elevator brake device 6 are supported. .

  The hoisting machine 4 has an electric motor 8 and rotates the main sheave 10. A main rope 12 is wound around the main sheave 10 and the deflecting sheave 5, a car 13 is connected to one end of the main rope 12, and a counterweight 14 is connected to the other end of the main rope 12.

2 is a side view of the elevator brake device of the present example, FIG. 3 is a plan view thereof, and FIG. 4 is a longitudinal sectional view of the elevator brake device of FIG. 2 cut along line AA. is there.
The rope brake device (elevator brake device) 6 in this example is used when an abnormality or failure occurs in a main brake (not shown) or an elevator control device (not shown) provided in the hoisting machine 4. This is a device for braking the car 13 that moves up and down in the hoistway 1, and includes a brake shoe 15, a brake box 16, and a brake base 17, as shown in FIG.

  The brake shoe 15 is composed of a fixed shoe 15a and a movable shoe 15b that are disposed so as to face each other with the main rope 12 interposed therebetween at a position between the main sheave 10 and the deflecting sheave 5. The fixed shoe 15 a is fixed to the side surface of the brake box 16, and the movable shoe 15 b is connected to one end of the movable link 21. A movable shaft 22 is attached to the other end of the movable link 21, and the movable shaft 22 is provided so as to be movable along an arcuate cam surface 23 formed in the brake box 16.

  A fixed shoe 15 a is fixed to the brake box 16 and a movable link 21 is attached to the brake box 16. In the brake box 16, a spring (not shown) is normally maintained in a compressed state and urges the movable shaft 22 to move upward along the cam surface 23 when the compressed state is released. And a solenoid (not shown) for maintaining the spring in a compressed state and releasing the compressed state of the spring in an emergency.

  When the spring is maintained in a compressed state, the movable shaft 22 is located at a position indicated by a solid line in FIG. 2 (a lower end position of the cam surface 23), and the movable shoe 15b is separated from the main rope 12. When the compressed state of the spring is released in an emergency, the movable shaft 22 moves to an upper position indicated by a two-dot chain line in FIG. 2 due to the urging force of the spring, and the movable link 21 and the movable shoe 15b move along with this movement. The main rope 12 is sandwiched between the movable shoe 15b and the fixed shoe 15a, and the elevator 13 is braked to move up and down.

  The brake base 17 is a pair of plate-like members that support the brake shoe 15 together with the brake box 16, and is fixed to both sides of the brake box 16 using bolts 24. The brake box 16 is formed with an arc-shaped elongated hole (not shown) as a hole through which the bolt 24 is inserted, and the tilt angle of the brake box 16 with respect to the brake base 17 can be adjusted by adjusting the tightening of the bolt 24. Can be adjusted.

  As shown in FIG. 3, the brake base 17 that supports the brake shoe 15 and the brake box 16 is attached to the base 3 using bolts 25. The bolt 25 is inserted into a long hole 18 formed in a mounting piece 17 a provided at the lower end of the brake base 17, and is attached by screwing a nut 27 into the bolt 25.

  In such a configuration, when the elevator 100 is operated in a normal state, the fixed shoe 15a and the movable shoe 15b are separated from the main rope 12 as shown by the solid line in FIG. The elevator is lifted and lowered without being braked by the elevator brake device 6.

  When an abnormality or failure occurs in a main brake (not shown) or an elevator control device (not shown) provided on the hoisting machine 4, the spring stored in the brake box 16 releases the compressed state. Then, an urging force is applied to the movable shaft 22, and the movable shaft 22 moves to a position indicated by a two-dot chain line in FIG. 2 by the urging force. Along with this movement, the movable link 21 and the movable shoe 15b move to a position indicated by a two-dot chain line, the main rope 12 is sandwiched between the movable shoe 15b and the fixed shoe 15a, and the elevation of the car 13 is braked. .

  As shown in FIG. 3, in the elevator brake device 6 of this example, a pair of support brackets 31 are attached to the outside of the brake base 17 so as to be parallel to the brake base 17. As shown in FIG. 4, the support bracket 31 has an L-shaped cross section, and is composed of a fixed piece 31a and a vertical piece 31b. The fixing piece 31 a of the support bracket 31 is fixed to the base 3 with a bolt 32. Further, a long arm member 34 that is bent by a bolt 35 so that the tip end portion 34 a is vertical is attached to the vertical piece 31 b of the support bracket 31 so as to be parallel to the brake base 17. . The arm member 34 is made of a metal material such as strong iron. An insertion hole (not shown) for inserting the adjustment bolt 40 is provided at the distal end portion 34a of the arm member 34, and an adjustment bolt inserted into the insertion hole by welding or the like around the insertion hole. A holding nut 38 for holding 40 is fixed. In this example, the support bracket 31, the arm member 34, the adjustment bolt 40, etc. constitute a brake base position adjustment mechanism for adjusting the position of the brake base 17.

  As shown in FIG. 3, a plate 41 as an adjustment plate member is provided on the front end side of the brake base 17 of the elevator brake device 6, that is, the side facing the main rope 12. The plate 41 is made of a metal material such as strong iron, and is formed in a long shape.

  Insertion holes (not shown) for inserting the adjustment bolts 40 are provided at both ends of the plate 41, and the adjustment bolts 40 in a state in which the floating nuts 39 are screwed are inserted. The plate 41 into which the adjustment bolts 40 are inserted at both ends is arranged so that its longitudinal direction is perpendicular to the longitudinal direction of the arm member 34.

  With the plate 41 supported, the tip of the adjustment bolt 40 is inserted into the insertion hole and the holding nut 38 provided in the tip 34 a of the arm member 34. As a result, the plate 41 is supported by the arm member 34 via the two adjustment bolts 40 in a state where the plate 41 is in contact with the flat portion formed at the tip of the brake base 17.

  In the elevator 100 of the present example, when the elevator brake device 6 brakes the raising / lowering of the car 13, the mounting position of the elevator brake device 6 is adjusted to the base 3 by the horizontal component force acting on the elevator brake device 6. On the other hand, it may shift in the horizontal direction. When such a shift occurs, in this example, the plate 41 is pressed by rotating the idle nut 39 screwed to the adjustment bolt 40, and the position of the plate 41 is moved to the arm member 34 side. Let

  When the plate 41 is moved to the arm member 34 side, the brake base 17 is pressed by the plate 41 and moves along the longitudinal direction of the long hole 18 formed in the attachment side 17a. Thereby, the elevator brake device 6 can be returned to the attachment position parallel to the main rope 12 by finely adjusting the attachment position of the elevator brake device 6 within the range of the length of the long hole 18. Before adjusting the mounting position of the elevator brake device 6, the bolt 25 and the nut 27 that fix the brake base 17 to the base 3 are released and the brake base 17 can be moved so that it can move. After the adjustment of the mounting position of the brake device 6 is completed, the bolt 25 and the nut 27 are fastened again to fix the elevator brake device 6 to the base 3.

  As described above, according to the elevator 100 and the elevator brake device 6 of this example, the positional deviation generated in the elevator brake device 6 can be corrected by a simple operation of rotating the idle nut 39. Accordingly, when the elevator 100 is normally operated in a state where the position of the elevator brake device 6 is shifted, the main rope 12 comes into contact with the corner portion of the brake shoe 15. Thus, the brake shoe 15 and the main rope 12 can be prevented from being worn, and the elevator brake device 6 can surely brake the elevator 13 up and down.

<Second Embodiment>
FIG. 5 is a side view of the elevator brake device of this example, FIG. 6 is a plan view thereof, and FIG. 7 is a longitudinal sectional view of the elevator brake device of FIG. 5 cut along line AA. is there.
As shown in FIG. 5, the elevator brake device 6 of the present example is when an abnormality or failure occurs in a main brake (not shown) or an elevator control device (not shown) provided in the hoisting machine 4. The brake 13 is a device that brakes the car 13 that moves up and down in the hoistway 1, and includes a brake shoe 15, a brake box 16, and a brake base 17.
Hereinafter, this example will be described with a focus on differences from the first embodiment.

  In the elevator brake device 6 of this example, a pair of support brackets 31 are attached to the outside of the brake base 17 so as to be parallel to the brake base 17. As shown in FIG. 5, one end of a first link member 43 formed in a long shape is attached to the center portion of the vertical piece 31 b of the support bracket 31 by a bolt 36. The first link member 43 is fixed to the support bracket 31 so as to extend in a substantially vertical direction with respect to the base 3.

  At the other end of the first link member 43, a long second link member 44 that is bent by a bolt 37 so that the tip end portion 44 a is perpendicular to the main rope 12 sandwiched between the brake shoes 15. The first link member 43 is attached so as to be vertical. The 1st link member 43 and the 2nd link member 44 are comprised with metal materials, such as iron with strong rigidity. The distal end portion 44a of the second link member 44 is provided with an insertion hole (not shown) for inserting the adjustment bolt 40, and the periphery of the insertion hole is inserted into the insertion hole by welding or the like. A holding nut 38 for holding the adjustment bolt 40 is fixed. In this example, the support bracket 31, the first link member 43, the second link member 44, the adjustment bolt 40, and the like constitute a brake shoe position adjustment mechanism for adjusting the position of the brake shoe 15.

  As shown in FIG. 5, a plate 41 as an adjustment plate member is provided on the distal end side of the movable shoe 15 b of the brake shoe 15 connected to the brake box 16. The plate 41 is made of a metal material such as strong iron, and is formed in a long shape.

  Insertion holes (not shown) for inserting the adjustment bolts 40 are provided at both ends of the plate 41, and the adjustment bolts 40 in a state in which the floating nuts 39 are screwed are inserted. The plate 41 in which the adjustment bolts 40 are inserted at both ends is arranged so that the longitudinal direction thereof is perpendicular to the longitudinal direction of the second link member 44.

  With the plate 41 supported, the tip of the adjustment bolt 40 is inserted through the insertion hole and the holding nut 38 provided in the tip 44 a of the second link member 44. Accordingly, the plate 41 is held by the second link member 44 via the two adjustment bolts 40 in a state where the plate 41 is in contact with the flat portion formed at the tip of the movable shoe 15b.

  In the elevator 100 of this example, when the elevator brake device 6 brakes the raising / lowering of the car 13, the position of the brake box 16 with respect to the brake base 17 shifts due to the force acting on the elevator brake device 6, and the main rope 12, the positional relationship between the fixed shoe 15a and the movable shoe 15b cannot be maintained in parallel. When such a shift occurs, in this example, the plate 41 is pressed by rotating the idle nut 39 screwed to the adjustment bolt 40 and moved to the second link member 44 side.

  When the plate 41 is moved to the second link member 44 side, the movable shoe 15b is pressed by the plate 41, and the brake box 16 to which the brake shoe 15 is connected is formed in the brake box 16 through which the bolt 24 is inserted. It moves along an arc-shaped slot. Thus, by finely adjusting the inclination angle of the brake box 16 with respect to the brake base 17, the brake shoe 15 is moved in a direction perpendicular to the main rope 12, and the main rope 12, the fixed shoe 15a, and the movable shoe 15b are moved. Can be returned to the original parallel state.

  As described above, according to the elevator 100 and the elevator brake device 6 of this example, it is possible to correct the positional deviation generated in the brake shoe 15 of the elevator brake device 6 by a simple operation of rotating the idle nut 39. it can. Thereby, the elevator brake device 6 can reliably perform the braking of the elevator 13. Further, the contact between the main rope 12 and the corners of the brake shoe 15 caused by the displacement of the elevator brake device 6 can be prevented, and the wear of the main rope 12 and the brake shoe 15 due to the contact can be prevented.

  The present invention is not limited to the embodiment described above and shown in the drawings, and various modifications can be made without departing from the scope of the invention described in the claims. For example, the configurations of the brake base position adjustment mechanism and the brake shoe position adjustment mechanism are not limited to this example, and any configuration that can move the positions of the brake base and the brake shoe may be used.

  DESCRIPTION OF SYMBOLS 1 ... Hoistway, 2 ... Beam member, 3 ... Base, 4 ... Hoisting machine, 5 ... Warp sheave, 6 ... Rope brake device, 7 ... Elevator machine room, 12 ... Main rope, 13 ... Ride car, 14 ... Balance weight 15 ... Brake shoe 15a ... Fixed shoe 15b ... Movable shoe 16 ... Brake box 17 ... Brake base 17a ... Installation piece 18 ... Long hole 19 ... 20 ... Case, 21 ... movable link, 22 ... movable shaft, 23 ... cam surface, 24, 25, 35 ... bolt, 31 ... support bracket, 31a ... fixed piece, 31b ... vertical piece, 34 ..・ Arm member, 38... Fixing nut, 39... Floating nut, 40 .. adjusting bolt, 41 .. plate, 100.

Claims (3)

A main rope with a car connected to one end and a counterweight connected to the other end;
A hoist that drives the main rope;
An elevator brake device that brakes the car that moves up and down in an elevator hoistway by sandwiching the main rope;
An elevator with
The elevator brake device comprises:
A brake shoe that brakes the car by sandwiching the main rope between a fixed shoe and a movable shoe arranged to face each other;
A brake base mounted on a base provided in the elevator hoistway and supporting the brake shoe;
An adjustment plate member arranged to contact the brake base;
An elevator comprising: a brake base position adjustment mechanism that moves the adjustment plate member to move the brake base in a horizontal direction with respect to the base. A main rope with a car connected to one end and a counterweight connected to the other end;
A hoist that drives the main rope;
An elevator brake device that brakes the car that moves up and down in an elevator hoistway by sandwiching the main rope;
An elevator with
The elevator brake device comprises:
A brake shoe that brakes the car by sandwiching the main rope between a fixed shoe and a movable shoe arranged to face each other;
A brake base mounted on a base provided in the elevator hoistway and supporting the brake shoe;
An adjustment plate member arranged to contact the brake shoe;
An elevator comprising: a brake shoe position adjusting mechanism that moves the adjustment plate member and moves the brake shoe in a direction perpendicular to a main rope sandwiched between the fixed shoe and the movable shoe. A main rope with a car connected to one end and a counterweight connected to the other end;
A brake shoe that brakes the car by sandwiching the main rope between a fixed shoe and a movable shoe arranged to face each other;
A brake base mounted on a base provided in an elevator hoistway and supporting the brake shoe;
An adjustment plate member arranged to contact the brake shoe;
A brake device for an elevator, comprising: a brake shoe position adjusting mechanism that moves the adjustment plate member and moves the brake shoe in a direction perpendicular to a main rope sandwiched between the fixed shoe and the movable shoe.

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