KR20100040972A - Elevator hoist - Google Patents

Abstract

In the hoist (23), a stator side housing (6a) to which a brake arm (7) is fixed opens around a shaft pin (9a) for the rotor side to which a sheave (8) and a brake drum (8g) are fixed. When the housing (6a) is opened, a fixing bolt (8d) is inserted into an engaging rod (8a) which moves upward to unlock the lock (13) of the housing (6a). In this regard, the brake drum (8g) is secured not to rotate by inserting the distal end of the engaging rod (8a) into the screw hole (8k) of the brake drum (8g). Furthermore, a sheave fixing confirmation switch (15) located above the engaging rod (8a) is pushed by inserting the fixing bolt (8d) and moving the engaging rod (8a) upward. Consequently, power supply to the hoist (23) is interrupted and the brake drum (8g) is stopped not to start rotation. Maintenance and inspection work of the hoist (23) is thereby facilitated and safety is enhanced.

Description

Elevator traction machine {ELEVATOR HOIST}

The present invention relates to, for example, a hoist of an elevator without a machine room provided with ease and safety of maintenance inspection work.

An elevator without a machine room does not require a machine room, and in addition, the number of installations is increasing because the elevator pit size and the top clearance can be reduced.

Patent document 1 (FIG. 1) has shown which position of the cage | basket | car, the balance weight, and the hoist of an elevator without a general machine room is arrange | positioned. In Patent Literature 1, a return sheave is mounted at the top of the hoistway, the hoist is disposed below the hoistway, and the rope from the return sheave is hooked on the lower half of the sheave of the hoist and pulled up by the upper return sheave.

Patent document 2 (FIG. 1) has shown that it connected by the bolt so that the rotating body and sheave of a hoist could be removed and disassembled.

Patent Document 1: International Publication No. 2004/080875 Patent Document 2: Japanese Patent Application Laid-Open No. 2005-200221

As patent document 1 shows, in an elevator without a machine room, a car and a balance weight are provided in a hoistway, and a hoist is arrange | positioned in the clearance gap between a car and a hoistway wall.

When checking the hoisting machine, a space is secured around the hoisting machine by moving the car upward and away from the hoisting machine, and the work of loosening the hoisting rope which is caught by the sheave of the hoisting machine is performed. For example, the hoisting rope can be loosened by hanging a car or counterweight with a chain block or a winch. Then, the hoist is removed, the required portion is disassembled, and the hoist is checked.

Moreover, although patent document 2 improves convenience with respect to the disassembly operation | work of the rotating body of a hoist and a sheave, it is difficult to disassemble a hoist because there is no operation | work which ensures the space around a hoist and loosens a hoisting rope.

As mentioned above, the maintenance check of the hoisting machine had a subject that a lot of preparation was required.

An object of the present invention is to improve the ease and safety of maintenance work of a hoist, for example.

The elevator hoist of the present invention is an elevator hoisting machine having a rotor housing equipped with a rotor and a stator housing equipped with a stator, the stator housing being disposed to face the rotor housing, and at an end of the rotor housing. It is connected to the end and the shaft pin, it characterized in that the rotation by the shaft pin.

The rotor includes a rotating shaft that rotates, a brake drum that rotates in conjunction with the rotating shaft, and a sheave that is wound around a suspension rope that suspends the car and rotates in conjunction with the brake drum, wherein the stator housing includes the rotor housing. And a brake arm which is disposed on the inner circumferential side of the brake drum when opposed to the brake drum, and brakes the brake drum by pressing the inner circumferential surface of the brake drum when advancing with respect to the brake drum and traveling toward the brake drum. It is characterized by.

The rotor housing and the stator housing are disposed opposite to orthogonal to the rotation axis, and the stator housing is rotated to open so as to intersect with the rotation axis.

The stator housing includes the brake drum when disposed opposite to the rotor housing and exposes the brake drum outward when rotated.

The stator housing has a stator cylindrical portion which forms a cylindrical shape in which one side is opened and the other is occluded to contain the brake drum from the open side, and when the brake drum is embedded, the inner circumferential surface of the stator cylindrical portion is an outer circumferential surface of the brake drum. It is characterized by opposing to.

The elevator hoisting machine is orthogonal to the rotational axis of the stator housing and at a distance including the rotational axis of the stator cylindrical portion from the open side of the stator cylindrical portion in front of the rotational axis of the rotational shaft in a plane including the rotational axis of the brake drum. The shortest distance between the outer circumferential surface of the brake drum and the rotating shaft and the inner circumferential surface of the stator cylindrical portion and the rotating shaft inside the rotating shaft of the rotating shaft is the outer circumferential surface of the brake drum on the side of which the stator cylindrical portion is closed. It is characterized in that it is longer than the distance between the end and the rotation shaft.

The stator housing further includes a stator coupling piece that engages with the mating component, and the rotor housing includes a rotor coupling piece that is retractable with respect to the stator coupling piece as the mating component, and the rotor coupling piece includes the stator. Engaging with the stator coupling piece when advancing toward the coupling piece to suppress rotation of the stator housing, and releasing the suppression of rotation of the stator housing away from the stator coupling piece when retracting from the stator coupling piece. do.

The rotor coupling piece has an insertion hole portion through which a tapered insertion hole is pulled out or inserted, and moves along the inclination of the taper of the insertion hole pulled out or inserted with respect to the insertion hole portion. It is characterized by retreating from the stator engaging piece when the insertion hole is inserted into the part, and moving toward the stator engaging piece side when the insertion hole is removed from the insertion hole part.

The sheave has a fixing hole portion into which the tip of the insertion hole inserted into the insertion hole portion of the rotor coupling piece is inserted, and is fixed so as not to rotate by insertion of the tip of the insertion hole into the fixing hole portion.

The elevator hoisting machine further includes a sheave power cut-off switch which cuts power to a rotating device that rotates the sheave when the switch is inserted and mounted in the rotor housing prior to the retraction of the rotor coupling piece. The coupling piece is characterized in that the sheave power disconnect switch is inserted when the stator coupling piece is retracted.

The elevator hoisting machine further comprises an insertion opening operation switch for inserting an insertion opening into the insertion hole portion of the rotor coupling piece when the switch is inserted.

The elevator hoisting machine includes a cylindrical screw cut rod screwed in a circumferential direction, a rope restraint portion facing the suspension rope and connected to one end of the screw cut rod, and the screw cut rod. And a rope restraint mechanism having a handle for rotating in the circumferential direction of the screw cut rod, the handle having a screw action to move the screw cut rod back and forth in the longitudinal direction of the screw cut rod. The rotated screw cut rod is advanced toward the rope restraint side, and the screw cut rod advanced toward the rope restraint side presses the rope restraint part with the suspension rope to restrain the suspension rope.

The elevator hoisting machine may further include a restrictor operation switch configured to restrain the suspension rope by pressing and touching the rope restraint with the suspension rope when the rope restraint and the switch opposite to the suspension rope are put therein.

The stator housing further includes a brake arm linking piece connecting to the brake arm, a brake arm inducing rod connecting to the brake arm linking piece, and a brake arm inducing cam having a convex portion, wherein the brake is provided before rotation of the stator housing. The arm link piece extends in the retracting direction of the brake arm, and the brake arm guide rod is disposed such that an end thereof contacts the brake arm guide cam, and the brake arm guide rod is disposed at the stator housing when the stator housing rotates. With the rotation, the end moves on the brake arm guide cam to climb the convex portion, and the brake arm link piece is connected to the brake arm guide rod by the brake arm guide rod with the end lifted on the convex portion. The connection is pushed out and the brake arm is By the brake arm link piece known keuam the connection of the inductive load and extruded characterized in that the retraction is pulled connection with the brake arm link piece.

The brake arm induction rod has an elastic induction elastic body, and after the rotation of the stator housing, the brake arm induction rod is separated from the brake arm induction cam and opposite to the rotation of the stator housing by the induction elastic body. The brake arm link piece is pushed back by the brake arm guide rod, and the brake arm link piece is pushed back in the advancing direction by the brake arm link piece. It is characterized by.

The brake arm guide rod is characterized in that it has a long hole extending in the extending direction of the brake arm guide rod as a bearing of a pin connecting the brake arm link piece.

The stator housing is characterized in that it has a long hole extending in the advancing direction of the brake arm as a bearing of a pin connecting the brake arm and the brake arm link piece.

The elevator hoisting machine is further provided with a brake arm operation switch for retracting the brake arm to a position at the time of non-braking when the switch is inserted.

The stator housing is characterized in that it has a check hole opened to the portion facing the brake arm and the brake drum.

The elevator hoist further includes a sheave fixing mechanism for fixing the sheave during rotational stop and a rotation of the stator housing when the stator housing is closed, and in conjunction with fixing of the sheave by the sheave fixing mechanism. And a housing lock mechanism for releasing the suppression of rotation of the stator housing.

The elevator hoisting machine may further include a sheave power cut-off mechanism that cuts off power to a rotating device for rotating the sheave in conjunction with fixing of the sheave by the sheave fixing mechanism.

The elevator hoisting machine further comprises a rope restraint mechanism for restraining the movement of the suspension rope.

The elevator hoisting machine further includes a female operation mechanism for retracting the brake arm when the stator housing is rotated.

The arm operating mechanism pushes the brake arm in the advancing direction before the stator housing is rotated, pulls the brake arm in the retracting direction during the rotation of the stator housing, and moves the brake arm after the stator housing is rotated. It is characterized by being pushed back.

According to the present invention, for example, the stator housing and the rotor housing are rotatably connected by the shaft pin, so that the work of detaching the stator housing from the rotor housing using a tool is unnecessary, so that the rotor and the stator are externally located. It is easy to expose and repair.

1 is a perspective view showing a state in which a hoist 23 in the first embodiment is closed;
2 is a perspective view illustrating a state where the hoist 23 in the first embodiment is opened.
3 is a vertical sectional view of the hoist 23 in the first embodiment.
4 is a horizontal sectional view of the hoist 23 in the first embodiment.
5 is a plan view of the hoisting machine 23 according to the first embodiment.
6 is a partially enlarged view of a vertical section of the hoist 23 in the first embodiment.
7 is an enlarged view of the coupling rod 8a and the fixing bolt 8d included in the hoist 23 in the first embodiment.
8 is a partially enlarged view of a vertical section of the hoisting machine 23 according to the first embodiment.
9 is a partially enlarged view of a vertical section of the hoist 23 in the first embodiment.
10 is a partially enlarged view of a vertical section of the hoist 23 in the first embodiment.
11 is a partially enlarged view of a vertical section of the hoist 23 in the first embodiment.
12 is a partially enlarged view of a vertical section of the hoist 23 in the first embodiment.
FIG. 13 is a partially enlarged view of a vertical section of the hoist 23 in Embodiment 1. FIG.
14 is an enlarged view of the brake arm 7, the link 6d and the rod 6b of the hoist 23 in the first embodiment.
FIG. 15 is a view showing the inside of the housing 6a of the hoist 23 in Embodiment 1. FIG.
FIG. 16 is a view showing the inside of the housing 6a of the hoist 23 in Embodiment 1. FIG.
FIG. 17 is a horizontal sectional view of the housing 6a and the stator of the hoist 23 in Embodiment 1. FIG.
18 is a perspective view showing the layout of an elevator 101 without a machine room.
19 is a plan view showing the layout of an elevator 101 without a machine room.
20 is a partially enlarged view of a vertical section of the hoist 23 in Embodiment 2;

BEST MODE FOR CARRYING OUT THE INVENTION [

Embodiment 1

The hoisting machine in Embodiment 1 is comprised so that the inside of the hoisting machine (housing) can be opened and fixed, after fixing so that a sheave part may not rotate while a hoisting rope is attached to a sheave.

That is, the hoisting machine in Embodiment 1 can be inspected without hanging up the elevator car and counterweight of a elevator by a chain block or a winch, in order to remove the load applied to the hoisting rope to a sheave like conventionally.

As a result, the internal inspection of the hoisting machine can be easily performed with the hoisting rope wound around the sheave of the hoisting machine of the elevator, and the time and cost of the maintenance inspection can be greatly reduced.

Hereinafter, the hoisting machine in Embodiment 1 is demonstrated in detail.

1 is a perspective view showing a state where the hoist 23 in the first embodiment is closed.

2 is a perspective view showing a state where the hoist 23 in the first embodiment is opened.

The opening and closing of the hoisting machine 23 in Embodiment 1 is demonstrated below based on FIG. 1 and FIG.

The hoisting machine 23 according to the first embodiment is characterized in that the housing 6a is opened (rotated) for maintenance inspection.

The hoist 23 can be divided into a rotor having a sheave 8 and a brake drum 8g, and a stator having a brake arm 7, an electromagnet 14, and a winding 14a.

The rotor is rotated by rotating, rotating with power or rotating with power, and the stator does not rotate or stops the rotation of the rotor.

The rotor is mounted on the bearing support plate 9f (rotor housing) of the hoisting base 9, and rotates with the mounting portion with the bearing support plate 9f as the rotation axis. The stator is mounted to the housing 6a (stator housing). The housing 6a is disposed to face the bearing support plate 9f of the hoisting base 9 in the closed state, and the end of the bearing support plate 9f and the shaft pin 9a at the end of the housing frame 6 (stator housing) to be joined. ) Is rotated using the shaft pin (9a) as a rotating shaft. As the housing 6a rotates, the hoist 23 moves the brake drum 8g out of the closed state (Fig. 1) containing the brake drum 8g so that the housing 6a serves as a cover. The open state is revealed (Figure 2).

The housing 6a and the bearing support plate 9f are disposed to face orthogonal to the rotational axis of the rotor in the state where the hoist 23 is closed, and the housing 6a is rotated and opened to intersect with the rotational axis of the rotor.

The housing 6a and the bearing support plate 9f are rotated with a rotating shaft, like a bivalve shell or a suitcase, to form a closed state in which the inside is hidden and an open state in which the inside is exposed. The bearing support plate 9f is fixed as part of the hoisting base 9, and the housing 6a rotates.

The hoisting machine 23 according to the first embodiment can be repaired and inspected by exposing the brake drum 8g and the sheave 8, which is the rotor, and the brake arm 7, which is the stator, to the outside.

In addition, the hoist 23 can engage the rotor mounted on the bearing support plate 9f and the stator mounted on the housing 6a by opposing the housing 6a and the bearing support plate 9f.

Moreover, the hoist 23 can conceal the brake drum 8g before rotation, and can expose the brake drum 8g after rotation.

Further, the hoisting machine 23 faces the outer circumferential surface of the brake drum 8g and the inner circumferential surface of the housing 6a so as to mount the permanent magnet 12 along the circumference of the brake drum 8g and at the same time the circumference of the housing 6a. Thus, the electromagnet 14 can be mounted to generate an electromagnetic force on the electromagnet 14 of the housing 6a to rotate the sheave 8 interlocking with the brake drum 8g.

In Fig. 2, the housing 6a (stator cylindrical portion) forms a cylindrical shape in which one side is opened and the other is occluded to contain the brake drum 8g from the open side. When the brake drum 8g is contained, the inner circumferential surface of the housing 6a faces the outer circumferential surface of the brake drum 8g. The housing 6a has an electromagnet 14 and a winding 14a for rotating the brake drum 8g at the circumference thereof, and the brake arm 7 and the rotor side for braking the brake drum 8g inside the cylinder. The fixed shaft 6k which connects with the encoder 8f mentioned later is arrange | positioned.

When the housing 6a is closed as shown in FIG. 1, the brake arm 7 retreats from the inner circumferential side of the brake drum 8g with respect to the inner circumferential surface of the brake drum 8g, and toward the inner circumferential surface of the brake drum 8g. When it progresses, the inner peripheral surface of the brake drum 8g is pressurized and the rotation of the brake drum 8g is braked.

Moreover, the sheave 8 of the rotor side is rotatably connected with respect to the bearing support plate 9f of the hoisting machine base 9, and the hoisting rope 11 (suspension rope) which swings the elevator car and the counterweight of an elevator is carried out. Is wound. Moreover, the sheave 8 is joined with the cylindrical brake drum 8g and the encoder 8f which counts the rotation speed, and rotates in conjunction with the brake drum 8g.

1 and 2, the hoist 23 is fixed to the mounting block 3b mounted on the hoist mounting upper frame 3 by bolts 9b. In addition, the hoist 23 is fixed to the hoist mounting lower frame 4 by the bolt 9c. The hoisting upper frame 3 and the hoisting lower frame 4 are fixed to the hoisting vertical frame 5, and the mounting block 3a is mounted, and the car guide rail 2 is mounted on the mounting block 3a. It is installed.

FIG. 3 is a vertical sectional view of the hoist 23 in Embodiment 1, and a longitudinal cross section at the central portion of the hoist 23 is shown from the side A side of FIG. 3 has shown through the part of the bolt 9b and the mounting block 3b.

FIG. 4 is a horizontal sectional view of the hoist 23 in Embodiment 1, and shows a cross section in the horizontal direction at the center of the hoist 23 from B side in FIG. 1. 4 has shown through the pin 6h part.

5 is a plan view of the hoist 23 in the first embodiment.

3-5 show the hoisting machine 23 in the state which the housing 6a shown in FIG. 1 was closed, respectively.

In Fig. 3, the fixed shaft 6k on the stator side is coupled to the cavity of the encoder 8f on the rotor side. In Fig. 4, the brake drum 8g on the rotor side is the electromagnet 14 and the brake arm on the stator side. (7) is accommodated between. As shown in FIG. 2, the electromagnet 14 has the some winding 14a on the circumference, and rotates the brake drum 8g by the electromagnetic force which generate | occur | produced through the winding 14a. The permanent magnet 12 is attached to the outer circumference of the brake drum 8g. The sheave 8 moves in conjunction with the brake drum 8g to move the hoisting rope 11, and the encoder 8f counts the rotational speed of the sheave 8. In addition, at the time of the rotation of the sheave 8, the brake arm 7 is pulled away from the brake drum 8g by the electromagnetic force generated by energizing the electromagnetic magnet device 7c shown in FIG.

When the sheave 8 is stopped rotating, the energization of the winding 14a is cut off, and the rotation of the brake drum 8g is stopped. At the time of stopping rotation of the sheave 8, the energization to the electromagnetic magnet device 7c is cut off, and the brake arm 7 is pushed out by the brake operating spring 7d. In Fig. 4, the pushed brake arm 7 presses the inner circumferential surface of the brake drum 8g with the brake shoe 7a mounted at the front, and brakes the brake drum 8g to which rotational torque is applied. The rotation torque is applied to the brake drum 8g by the balance of the force between the car 27 and the counterweight 32 suspended on the hoist rope 11 when the sheave 8 is stopped.

FIG. 6 is a partially enlarged view of a vertical section of the hoist 23 in Embodiment 1, and shows an enlarged lower part of the hoist 23 in the cross-sectional view of FIG. 6 shows a state in which the fixing bolt 8d is not fastened.

7 is an enlarged view of the coupling rod 8a and the fixing bolt 8d included in the hoist 23 in the first embodiment.

FIG. 8 is a partially enlarged view of the vertical section of the hoist 23 in Embodiment 1, and shows the lower part of the hoist 23 in the cross section of FIG. 8 shows the state in which the fixing bolt 8d is fastened.

FIG. 9 is a partially enlarged view of a vertical section of the hoist 23 in Embodiment 1, and shows arrangement portions of the fixing bolt 8d, the detection rod 15c, and the sheave fixation confirmation switch 15 in the cross-sectional view of FIG. It is enlarged and shown.

Sheave fixing mechanism for fixing the sheave 8 during rotational stop when the housing 6a of the hoist 23 in Embodiment 1 is opened, and the opening operation (rotation) of the housing 6a when the housing 6a is closed. And a rotating device (electromagnet 14 and winding 14a) for rotating the housing lock mechanism and the sheave which release the suppression of the opening operation of the housing 6a in conjunction with the fixing of the sheave 8 by the sheave fixing mechanism. 6 to 9 will be described below with reference to FIGS. 6 to 9.

The hoisting machine 23 according to the first embodiment does not lock and open the housing 6a during normal operation, and simultaneously releases the housing 6a to mechanically and electrically brake the sheave 8 to secure safety during maintenance inspection. It is one of the features to secure.

In FIG. 6, the hoist 23 has a rod-shaped or plate-shaped coupling rod 8a. The engaging rod 8a is assembled to the bearing support plate 9f of the hoisting base 9, and projects the lower engaging portion 8e into the lock device avoiding window 9d in a state where the housing 6a is closed. Moreover, the hoist 23 is provided with the rod-shaped or plate-shaped lock apparatus 13 of cross section "LE" shape. The lock device 13 has an engaging portion 13b protruding from the tip, and the other end is fixed to the housing 6a by a screw 13a. The lock device 13 extends from the housing 6a toward the bearing support plate 9f, and the engagement rod 8a extends in a direction intersecting with the lock device 13 (particularly, a direction perpendicular to it). In the lock device 13, the engaging portion 13b positioned in the lock device avoidance window 9d with the housing 6a closed is engaged with the engaging portion 8e of the engaging rod 8a. The hoisting machine 23 in the state where the housing 6a is closed prevents the housing 6a from opening during normal operation because the coupling rod 8a is coupled to the lock device 13.

The engaging rod 8a (rotor engaging piece) retreats with respect to the locking device 13, and engages with the engaging portion 13b of the lock device 13 when traveling toward the locking device 13 (stator engaging piece). This suppresses the opening operation of the housing 6a (stator housing), and releases the suppression of the opening operation of the housing 6a from the engaging portion 13b of the lock device 13 when retracting from the locking device 13. .

In Fig. 7, the engagement rod 8a has a tapered hole 8b (insertion hole) inclined in a conical shape in the thickness direction, and a fixing bolt 8d (insertion hole) in the tapered hole 8b. Is inserted. The fixing bolt 8d has a tapered portion 8n inclined in a conical shape. When the fixing bolt 8d is inserted into the taper hole 8b, the coupling rod 8a is pulled up along the inclination of the taper portion 8n and the inclination of the taper hole 8b, and the coupling portion of the coupling rod 8a ( 8e is released from the engaging portion 13b of the lock device 13, and the opening operation of the housing 6a is enabled.

In FIG. 6, the fixing bolt 8d is inserted into the taper hole 8b of the coupling rod 8a from the bolt hole 8r of the bearing support plate 9f, and the threaded part of the tip is shifted by the bolt tool 16. In FIG. It is screwed into the screw hole 8k of (8). As shown in FIG. 2, the sheave 8 is provided with a plurality of screw holes 8k arranged in a columnar shape. The sheave 8 is fixed so that the fixing bolt 8d is not rotated by being tightened to the screw hole 8k.

That is, as shown in FIG. 8, when the fixing bolt 8d attached to the bearing support plate 9f is tightened, as for the hoisting machine 23, the opening operation | movement of the housing 6a is canceled | released by the release of the lock apparatus 13. As shown in FIG. At the same time, the sheave 8 is mechanically fixed by the fixing bolt 8d.

The fixing bolt 8d and the screw hole 8k constitute a sheave fixing mechanism, and the engaging rod 8a and the locking device 13 constitute a housing lock mechanism.

In addition, in FIG. 9, the hoist 23 has a detection rod 15c assembled to the bearing support plate 9f of the hoist base 9 above the coupling rod 8a, and the hoist 23 is A sheave fixation confirmation switch 15 (sheave power disconnect switch) assembled to the bearing support plate 9f of the hoisting machine base 9 is provided above the detection rod 15c.

When the fixing bolt 8d is tightened to the screw hole 8k and the coupling rod 8a is pulled up, the upper end of the coupling rod 8a pushes the spring bearing 15d positioned at the lower end of the detection rod 15c. Up. Then, the upper end of the detection rod 15c presses the detection unit 15a of the sheave fixation confirmation switch 15. The sheave fixation confirmation switch 15 stops the rotation of the sheave 8 so that the rotation of the sheave 8 is interrupted by blocking the power supply (the winding 14a and the electromagnetic magnet device 7c) to the hoisting machine 23 while the detection unit 15a is pressed. Let's do it.

That is, when the fixing bolt 8d mounted on the hoisting base 9 is tightened, the hoisting machine 23 enables the housing 6a to be opened by the release of the lock device 13 and at the same time the sheave 8 It is electrically braked by the sheave fixed confirmation switch 15.

The sheave fixation confirmation switch 15, the detection unit 15a, the detection rod 15c, and the spring receiver 15d constitute a sheave power interrupting mechanism.

When the fixing bolt 8d is loosened, the coupling rod 8a is pushed down along the inclination of the tapered portion 8n of the fixing bolt 8d by the return spring 15e mounted on the detection rod 15c.

As a result, when the fixing bolt 8d becomes loose and is out of the screw hole 8k, the fixing of the sheave 8 by the fixing bolt 8d is released and the specific pressure of the detection unit 15a is lowered. The shut-off of the power supply to the hoisting machine 23 is released by the sheave fixation confirmation switch 15 which detects the () state, and the locking device 13 is locked by the engaging rod 8a.

FIG. 10 is a partially enlarged view of the vertical section of the hoist 23 in Embodiment 1, and shows the state where the hoist rope 11 is fixed by the auxiliary brake 10 from the state of FIG.

The auxiliary brake 10 which fixes the hoisting rope 11 with which the hoist 23 in Embodiment 1 is equipped is demonstrated below based on FIG.

The hoisting machine 23 in Embodiment 1 is equipped with the auxiliary brake 10 which fixes the hoisting rope 11, It is one of the characteristics which improves safety at the time of maintenance inspection.

The auxiliary brake 10 has a rod 10a, a fitting portion 10e, a handle 10b, and a rotating neck 10d.

The rod 10a (screw cut rod) has a cylindrical shape and has a threaded portion 10c that is threaded in the circumferential direction. The rod 10a passes through the hoisting base fixing plate 9k, and the threaded portion 10c is located in the threaded hole of the hoisting base fixing plate 9k.

The fitting portion 10e (rope restricting portion) is connected to the upper end of the rod 10a and faces the hoisting rope 11 so that the hoisting rope 11 (suspension rope) is fitted.

The handle 10b is mounted at the lower end of the rod 10a, and rotates the rod 10a in the circumferential direction of the rod 10a to move the rod 10a back and forth in the longitudinal direction of the rod 10a by screwing. .

In addition, the fitting portion 10e and the rod 10a are connected via the rotary wood 10d, and the fitting portion 10e does not rotate even when the rod 10a rotates.

When the handle 10b is rotated in the direction of tightening the screw portion 10c of the rod 10a to the hoisting base fixing plate 9k, the rod 10a is pushed up. Then, the fitting portion 10e is pushed up by the rod 10a to press and restrain the hoisting rope 11 and the sheave 8 from below.

The auxiliary brake 10 (rope restraint and rope restraint mechanism) has a rod 10a, which is rotated by the handle 10b, to the insertion portion 10e side, and to the insertion portion 10e side. ) Restrains the hoisting rope 11 by pushing the fitting portion 10e into the hoisting rope 11.

When the housing 6a is opened, the sheave 8 is fixed by the fixing bolt 8d and the sheave fixing confirmation switch 15, and the hoisting rope 11 is fixed by the auxiliary brake 10, whereby the housing ( 6a) can be opened safely.

The locking device 13 may be mounted in any of the upper side, the right side, the left side, and not the lower side of the hoisting machine 23. The engaging rod 8a extending toward the locking device 13 is arranged in accordance with the position of the locking device 13, and the sheave fixation confirmation switch 15 located at the end of the engaging rod 8a is the engaging rod 8a. It is arranged in accordance with the stretching direction of.

11, 12 and 13 are partially enlarged views of the vertical section of the hoist 23 in the first embodiment, showing the operation of the rod 6b when the housing 6a is opened from the state of FIG. have.

As shown in FIG. 11, the hoist base 9 is cam 9g (brake arm induction cam) whose cross section is undulating to a trapezoidal mountain shape on the hoist base fixing plate 9k fixed to the hoist mounting lower frame 4. Has Further, a rod 6b (brake arm guide rod) is connected to the brake arm 7 disposed inside the housing 6a via a link 6d (brake arm link piece) described later. The rod 6b forms an L-shaped rod shape between the vertical piece and the horizontal piece, connects with the brake arm 7 at the upper part of the vertical piece, and is equipped with a spring 6n at the center of the horizontal piece, and ends of the horizontal piece. The roller 6c is attached to the.

The cam 9g, the rod 6b, and the link 6d constitute a female operation mechanism.

With the opening operation of the housing 6a, the roller 6c of the rod 6b climbs the inclined surface of the cam 9g (Fig. 11), climbs the top of the cam 9g (Fig. 12), and the cam ( 9g) down the slope (FIG. 13).

At this time, the rod 6b is lifted by the roller 6c raising the cam 9g. That is, the rod 6b is lifted up during the opening operation of the housing 6a. Further, the rod 6b is pushed down by the spring 6n (inductive elastic body) when the housing 6a before the opening operation is closed and when the housing 6a after the opening operation is open.

14 is an enlarged view of the brake arm 7, the link 6d, and the rod 6b of the hoist 23 in the first embodiment.

The connection structure of the brake arm 7, the link 6d, and the rod 6b with which the hoist 23 in Embodiment 1 is equipped is demonstrated below based on FIG.

Inside the housing 6a of the hoisting machine 23, a pair of brake arms 7 located at right and left are provided, and the two brake arms 7 are connected by two links 6d. The brake arm 7 and the link 6d are rotatably connected by the pin 6e, and the pin 6e is also fitted in a horizontally extending long hole 6f formed in the housing 6a. The two links 6d are rotatably connected to each other by the pin 6h at the other end and the rod 6b is connected at the same time. The pin 6h is fitted in the longitudinally extending long hole 6m formed in the upper part of the longitudinal piece of the rod 6b. The pair of brake arms 7 and the rod 6b are connected via two links 6d.

15 and 16 are views showing the inside of the housing 6a of the hoist 23 in the first embodiment.

FIG. 15 shows a state where the rod 6b before the housing 6a is opened, and FIG. 16 shows a state where the rod 6b is raised during the opening operation of the housing 6a. FIG. 15 corresponds to FIG. 10, and FIG. 16 corresponds to FIG. 12.

The operation of the brake arm 7, the link 6d and the rod 6b included in the hoist 23 in the first embodiment will be described below with reference to FIG. 14.

In Fig. 15, when the housing 6a is closed, the link 6d extends in the retraction direction (horizontal direction) of the brake arm 7, and the rod 6b has the roller 6c contacting the cam 9g. It is arranged to.

When the brake drum 8g is rotating, the brake arm 7 is attracted by the electromagnetic force generated by energizing the winding 7f by the electromagnetic magnet device 7c. The brake shoe 7a is separated from the inner circumferential surface of the brake drum 8g. When the brake drum 8g stops rotating, the electromagnetic magnet device 7c stops energizing the winding 7f, and the brake arm 7 is braked by the brake actuating spring 7d. 8g). The extruded brake arm 7 presses the brake shoe 7a on the inner circumferential surface of the brake drum 8g to suppress rotational torque applied to the brake drum 8g. The electromagnetic magnet device 7c is fixed to the housing 6a, and the brake arm 7 is connected to the electromagnetic magnet device 7c by the pin 7b at the end opposite to the end connecting the link 6d. It is connected to the rod 7e. The brake arm 7 is connected to a brake actuating spring 7d attached to the electromagnetic magnet device 7c.

The brake arm 7 is mounted so that the brake shoe 7a is close to the inner circumferential surface of the brake drum 8g when not braking. For example, the brake arm 7 is mounted while being adjusted so that the interval between the brake shoe 7a and the inner circumferential surface of the brake drum 8g is about several minutes in 10 minutes when not braking. For example, in order to improve braking property and to suppress a collision sound between the brake shoe 7a and the brake drum 8g.

The maintenance work of the hoist 23 is performed at the time of braking when the brake drum 8g has stopped rotating to ensure safety. In the maintenance inspection, for example, the distance between the brake shoe 7a of the brake arm 7 and the inner circumferential surface of the brake drum 8g is adjusted.

Here, as shown in FIG. 16, when the housing 6a is opened, the winding machine 23 in Embodiment 1 raises the roller 6c by the cam 9g, and the rod 6b is lifted, and the link ( The brake shoe 7a of the brake arm 7 is separated from the inner circumferential surface of the brake drum 8g via 6d) to facilitate the opening operation of the housing 6a.

That is, the rod 6b moves along the cam 9g with the opening operation of the housing 6a to ride up the convex portion, and the link 6d moves the roller 6c to the cam 9g. The connection part with the rod 6b is pushed by the rod 6b which raised on the convex part, and the brake arm 7 is pulled by the link 6d by the link 6d by which the connection part with the rod 6b was pushed out. Retreat

Also, similarly when the housing 6a is closed, the hoist 23 has the roller 6c ascending the cam 9g or the rod 6b being lifted up, so that the brake shoe 7a of the brake arm 7 can be lifted. Is separated from the inner circumferential surface of the brake drum 8g to facilitate the closing operation of the rod 6b. At this time, the brake arm 7 rotates the pin 7b about its axis. In addition, the long hole 6m formed in the rod 6b assists the rod 6b and the link 6d to operate smoothly in the longitudinal direction as the bearing of the pin 6h, and the long hole 6f formed in the housing 6a As the bearing of the pin 6e, the brake arm 7 and the link 6d are assisted to operate smoothly in the horizontal direction. The long hole 6m may be formed in the housing 6a, and the long hole 6f may be formed in the link 6d or the brake arm 7.

In addition, the brake arm 7 may be arrange | positioned up and down instead of right and left. The link 6d, the rod 6b, the cam 9g and the long hole 6f are arranged in accordance with the position of the brake arm 7. The link 6d may be connected to the central portion in the longitudinal direction of the brake arm 7 instead of the end of the brake arm 7.

As described above, the hoisting machine 23 according to the first embodiment brakes the sheave 8 by the fixing bolt 8d and the sheave fixing confirmation switch 15, and simultaneously the auxiliary hoisting the hoisting rope 11. Since it is fixed by (10), even if the brake arm 7 is removed from the brake drum 8g, the brake drum 8g does not rotate, and safety is ensured.

The hoisting machine 23 according to the first embodiment is characterized in that the opening and closing of the housing 6a is facilitated by widening the distance between the brake shoe 7a of the brake arm 7 and the brake drum 8g.

Moreover, the hoisting machine 23 in Embodiment 1 is equipped with the maintenance work power supply circuit (illustration omitted) for supplying electric power to the electromagnetic magnet apparatus 7c for maintenance work. When the switch (brake arm operation switch) of the power supply circuit for maintenance work is pressed, the power supply circuit for maintenance work supplies power to the electromagnetic magnet device 7c, retracts the brake arm 7, and makes it into the state at the time of non-braking.

When the maintenance worker performs the maintenance work, before opening the housing 6a, the maintenance worker presses the switch of the power supply circuit for maintenance work to bring the brake arm 7 into a non-braking state, and checks the brake shoe spacing formed in the housing 6a. From the hole 6p, the space | interval of the brake shoe 7a of the brake arm 7 at the time of non-braking, and the inner peripheral surface of the brake drum 8g is confirmed. The maintenance worker opens the housing 6a and adjusts the mounting position of the brake arm 7 based on the checked interval. As shown in FIG. 1, FIG. 2, or FIG. 4, the brake shoe space | interval check hole 6p is formed in the housing 6a by three on either side. The left and right three brake shoe interval checking holes 6p are disposed along the inner circumferential surface of the brake drum 8g at the upper part, the middle part, and the lower part of the brake shoe 7a of the brake arm 7, respectively. In addition, a cap 6r is attached to the brake shoe gap inspection hole 6p to prevent dust from entering the housing 6a.

In addition, when the housing 6a is opened, the rod 6b is pushed down by the spring 6n, and the brake arm 7 is returned to the position at the time of braking, so that the maintenance worker can The mounting position of the brake arm 7 can also be adjusted based on the distance from the peripheral edge (or the electromagnet 14). For example, the maintenance worker presses the switch of the power supply circuit for maintenance work with the housing 6a open, thereby bringing the brake arm 7 from the braking state to the non-braking state, and the inner periphery of the housing 6a. The inner diameter and the outer diameter of the brake arm 7 (the linear distance between the brake shoes 7a of the left and right brake arms 7) are measured, and the mounting position of the brake arms 7 is adjusted based on the difference.

The hoist 23 in Embodiment 1 is provided with the power supply circuit for maintenance work, and brake shoe space | interval check hole 6p, and adjusts the space | interval of the brake shoe 7a of the brake arm 7 and the inner peripheral surface of the brake drum 8g. One of the features to facilitate the.

The hoist 23 in Embodiment 1 is provided with the link 6d connected to the brake arm 7, and the rod 6b connected to the link 6d, and the rod 6b with rotation of the housing 6a. By moving the cam 9g, the brake arm 7 is separated from the brake drum 8g when the housing 6a is rotated, so that the rotation of the housing 6a can be facilitated.

In addition, the hoist 23 has a spring 6n on the rod 6b, whereby the brake arm 7 returns to its original position when the housing 6a is opened, thereby adjusting the position of the brake arm 7. It can be done easily.

In addition, the hoist 23 has a long hole 6m as a bearing between the rod 6b and the link 6d, thereby making it possible to smoothly operate the rod 6b.

Further, the hoist 23 has a long hole 6f as a bearing between the brake arm 7 and the link 6d, so that the operation of the link 6d can be smoothly performed.

In addition, the hoist 23 has a switch for activating the brake arm 7, so that the brake arm 7 can be moved to the non-braking position when the housing 6a is opened. Adjustment can be made easy.

In addition, the hoist 23 has a brake shoe interval inspection hole 6p in the housing 6a, whereby the gap between the brake arm 7 and the brake drum 8g can be confirmed when the housing 6a is closed. Therefore, the position adjustment of the brake arm 7 can be made easy.

In addition, when the housing 6a of the hoisting machine 23 is opened, the maintenance worker adjusts the winding 14a, the encoder 8f, the electromagnetic magnet device 7c, the bearing bearing, the lubrication to each sliding part, and the brake powder. Can be easily cleaned.

FIG. 17 is a horizontal cross-sectional view of the housing 6a and the stator of the hoisting machine 23 according to the first embodiment, and the housing 6a, the brake drum 8g, the sheave 8, and the bolt 9b in the configuration shown in FIG. 4. ). In addition, each structure shown in FIG. 17 is shown by the dimension and space | interval different from each structure shown in FIG. 4 for convenience of description.

The relationship between the rotor 6 which consists of the housing 6a, the brake drum 8g, and the sheave 8 of the hoisting machine 23 in Embodiment 1 and the bolt 9b is demonstrated below based on FIG.

The hoisting machine 23 according to the first embodiment has the following relationship between the rotor and the bolt 9b composed of the housing 6a, the brake drum 8g, and the sheave 8, and thus the brake drum 8g. Without contact, the housing 6a opens.

FIG. 17 is a cross-sectional view in a plane including the rotation axis of the sheave 8 and the brake drum 8g at the same time as the shape of the housing 6a being orthogonal to the rotation axis of the housing 6a.

In Fig. 17, the point p is the rotational axis, the dashed-dotted line is the axis of rotation of the sheave 8 and the brake drum 8g, and the dotted line is the axis perpendicular to the rotational axis and the axis of rotation.

In addition, (1) shows the housing 6a (stator cylindrical part) before rotation, (2) is a housing 6a during rotation, and brake drum 8g is seen inward (bottom of FIG. 17) from the rotation shaft p. (6) is the housing 6a during rotation, which is the housing 6a closest to the brake drum 8g in the front (upper FIG. 17) as seen from the rotation axis p. It is shown.

In the following description, the electromagnet 14 and the winding 14a are part of the housing 6a, and the permanent magnet 12 is part of the brake drum 8g.

The hoist 23 has a distance between the end a on the open side of the inner circumferential surface of the housing 6a and the pivot shaft p from the outer circumferential surface of the brake drum 8g to the pivot shaft p, that is, FIG. In (1) of 17, it is shorter than the distance between the point b of the brake drum 8g and the rotation shaft p which intersects a dashed line from the rotation shaft p and crosses for the first time.

Further, the hoist 23 has a shortest distance between the inner circumferential surface of the housing 6a and the rotational axis p, that is, the distance between the point c of the housing 6a where the dotted line crosses in FIG. It is longer than the distance between the end d of the outer circumferential surface of the brake drum 8g on the side to be blocked and the rotation shaft p.

A traction pin 9a is arranged so that the hoisting machine 23 has the above relationship, and a gap is formed between the housing 6a and the brake drum 8g to satisfy the above relationship.

The hoist 23 satisfies the above relationship, and the housing 6a can rotate without sliding on the brake drum 8g.

18 is a perspective view showing the layout of the elevator 101 without a machine room.

19 is a plan view showing the layout of an elevator 101 without a machine room.

The hoisting machine 23 in Embodiment 1 can be arrange | positioned at the same position as the elevator without a conventional machine room.

For example, as shown in FIG. 18 and FIG. 19, the hoisting machine 23 in Embodiment 1 is a cage | basket | car 27 and the hoistway wall 1a below the hoistway 1 of the elevator 101 without a machine room. It is placed between and. In addition, the hoistway 1 shown in FIG. 18 and FIG. 19 changes the advancing direction of the hoisting rope 11 with the return sheave 30 and the return sheave 31 which were arrange | positioned at the top of the hoistway 1, (27) and counterweights (32).

At the time of maintenance work of the hoisting machine 23, the car 27 is moved upward and separated from the hoisting machine 23, and it is performed in the state which the working space was secured around the hoisting machine 23.

The maintenance work of the hoist 23 in Embodiment 1 is performed in the following procedures.

(1) The car 27 is moved upward to secure a working space around the hoist 23.

(2) By tightening the fixing bolt 8d, the sheave 8 is mechanically and electrically braked and the lock device 13 of the housing 6a is released.

(3) The hoisting rope 11 is fixed by the auxiliary brake 10.

(4) Press the switch of the power supply circuit for maintenance work and check the distance between the brake shoe clearance inspection hole 6p and the brake shoe 7a of the brake arm 7 and the inner peripheral surface of the brake drum 8g.

(5) The housing 6a is opened to adjust the position of the brake arm 7 and other maintenance work.

(6) Close the housing 6a, release the auxiliary brake 10, loosen the fixing bolt 8d, and release the mechanical and electrical braking of the lock and sheave 8 of the housing 6a.

In Embodiment 1, the following elevator hoisting apparatus was demonstrated.

The hoisting machine 23 of the elevator 101 without a machine room is a hoisting rope 11 wound around the sheave 8 of the hoisting machine 23, and an elevator car which elevates the inside of the hoistway 1 via this hoisting rope 11. (27) and counterweight (32). In addition, the hoist 23 has a rotor pin between the sheave 8 and the permanent magnet 12 and a stator side having the electromagnet 14 and the brake arm 7 wound around the iron core 14 and the brake arm 7. 9a), the stator side can be opened.

In addition, the hoist 23 has a lock device 13 and a sheave fixed confirmation switch interlocked with the fastening of the fixing bolt 8d for fixing the rotation of the sheave 8 provided in the bearing support plate 9f of the sheave 8. 15) and the power is cut off when the fixing of the sheave 8 is confirmed.

In addition, the hoist 23 has an auxiliary brake 10 for fixing the sheave 8 and the hoist rope 11 from the outside in addition to the fixing bolt 8d, and the rod 10a having the threaded portion 10c has a handle ( 10b), the sheave 8 and the hoisting rope 11 are fixed.

Moreover, the hoisting machine 23 is a rod 6b, a link 6d, and a brake arm 7 with a roller 6c attached to the cam 9g operating in conjunction with the opening operation of the stator side main body of the hoisting machine 23. And a long hole 6f extending in the horizontal direction to the bearing of the lower point pin (pin 6e) to guide the lower point pin of the brake arm 7 inward, and the stator side main body of the hoist 23. The gap between the sheave 8 and the brake arm 7 is automatically widened during the opening operation.

In addition, the action of widening the gap between the sheave 8 and the brake arm 7 when the stator side main body of the hoisting machine 23 is opened operates only when the opening operation starts and closes, and the housing 6a opens. In one state, the position of the brake arm 7 becomes a clearance position of the braking state which applied the brake at the time of normal operation of an elevator.

The hoist 23 feeds the electromagnetic magnet device 7c such that the gap between the sheave 8 and the brake arm 7 of the hoist 23 is the same as the non-braking state in which the brake is released during normal operation of the elevator. Maintenance switch and power source for operating the brake arm (7).

In addition, the rod 6b with the roller 6c provided with a longitudinal hole 6m as a spring 6n and a link support pin hole, and the hoist 23 is normally used in an elevator in a state where the housing 6a is closed. The acting force from the cam 9g does not apply to the rod 6b, which does not interfere with the operation of the main brake of the elevator.

Moreover, the outer diameter of the sheave 8 is smaller than the inner diameter of the housing 6a of the hoist 23.

With the above-described configuration, the inside of the hoist 23 can be easily inspected while the hoist rope 11 is wound around the sheave 8 of the hoist 23 of the elevator. You can get off a lot.

In addition, since the car 27 and the counterweight 32 do not need to be suspended, safer maintenance work can be performed.

Embodiment 2 Fig.

20 is a partially enlarged view of a vertical section of the hoist 23 in Embodiment 2, and is a diagram corresponding to FIG. 6 in Embodiment 1. FIG.

The hoist 23 in Embodiment 2 is provided with the electronic rod 18 and the auxiliary brake 10 which are electrically operated instead of the fixed bolt 8d and the auxiliary brake 10 which were manually operated in Embodiment 1. Characterized in that.

Other configurations and effects of the hoist 23 in the second embodiment are the same as those of the hoist 23 in the first embodiment.

In FIG. 20, the rod end portion 18a is moved forward and backward by the electromagnetic magnet 17 with respect to the fixing hole 22 formed in the sheave 8. In addition, the auxiliary brake 10 is mounted on the electromagnetic rod 19, and the electronic rod 19 is moved forward and backward with respect to the hoist rope 11 by the electromagnetic magnet 20 fixed to the mounting bracket 21. As shown in FIG.

The hoist 23 includes a push button (insertion opening switch, restraint opening switch) (not shown) for fixing the sheave 8, and simultaneously supplies power to the electromagnetic magnet 17 when the push button is pressed. The supply of power to 20 is cut off.

The electromagnetic magnet 17 supplied with power by pressing the push button pushes the electronic rod 18 by the electromagnetic force generated by the energization of the winding 17a, and the rod end portion is formed in the fixing hole 22 formed in the sheave 8. Insert 18a. As a result, as in the first embodiment, the brake drum 8g is fixed, the supply of power to the hoisting machine 23 is interrupted, and the lock device 13 of the housing 6a is released.

In addition, the electromagnetic magnet 20 in which the power supply is cut off by pressing the push button pushes the rod 10 by the auxiliary brake 10 by pushing the electromagnetic rod 19 by the spring 20b. Thereby, similarly to Embodiment 1, the hoisting rope 11 and the sheave 8 are fixed by the auxiliary brake 10. As shown in FIG.

When the push button is pressed again, the hoist 23 cuts off the power supply to the electronic magnet 17 and supplies power to the electromagnetic magnet 20.

The electromagnetic magnet 17 which cuts off the power supply by pressing the push button again pulls the rod end part 18a of the electromagnetic rod 18 from the fixing hole 22 formed in the sheave 8 by the spring 17b. Subtract

In addition, the electromagnetic magnet 20 supplied with power by pressing the push button again sucks the electronic rod 19 by the electromagnetic force generated by the energization of the winding 20a, and the auxiliary brake 10 is wound on the hoist rope 11. Away from it.

The hoisting machine 23 can insert the electromagnetic rod 18 into the fixing hole 22 of the sheave 8 electrically by providing an insertion port operation switch.

In Embodiment 2, the following elevator hoisting apparatus was demonstrated.

The hoist 23 has an electromagnetic magnet 17 and an electronic rod 18 instead of the fixing bolt 8d for fixing the rotation of the sheave 8, and also functions to fix the sheave 8 by an operation button. The locking device 13 and the sheave fixing confirmation switch 15 for confirming the fixing of the sheave 8 interlocked with each other, and when the fixing of the sheave 8 is confirmed, the power is cut off.

Moreover, the hoist 23 has an electromagnetic magnet 20 and an electromagnetic rod 19 for operating the auxiliary brake 10 for fixing the sheave 8 and the hoist rope 11 from the outside, and the sheave by the operation button. Secure the hoisting rope 11 with (8).

1 hoistway, 1a hoistway wall, 2 car guide rails, 2a rail clip, 2b bolt, 3 hoist mounting top frame, 3a mounting block, 3b mounting block, 4 hoist mounting bottom frame, 5 hoist vertical frame, 6 housing frame, 6a housing, 6b rod, 6c roller, 6d link, 6e pin, 6f long hole, 6h pin, 6k fixed shaft, 6n spring, 6m long hole, 6p brake shoe clearance check hole, 6r cap, 7 brake arm, 7a brake shoe, 7b Pin, 7c electronic magnet, 7d brake actuation spring, 7e connecting rod, 7f winding, 8 sheave, 8a coupling rod, 8b taper hole, 8c spring, 8d fixing bolt, 8e coupling, 8f encoder, 8g brake drum, 8h Bearing, 8k threaded hole, 8n taper, 8r bolt hole, 9 hoisting base, 9a shaft pin, 9b, 9c bolt, 9d locker avoidance window, 9e bearing, 9f bearing support plate, 9g cam, 9h shaft, 9k hoisting base fixing plate, 10 Auxiliary brake, 10a rod, 10b handle, 10c thread, 10d swivel, 10e clip Wedge, 11 hoisting rope, 12 permanent magnet, 13 locker, 13a screw, 13b coupling part, 14 electromagnet, 14a winding, 15 sheave fixing check switch, 15a detection part, 15c detection rod, 15d spring bearing 15e return spring, 16 Tool for bolts, 17 electromagnetic magnet, 17a winding, 17b spring, 18 electromagnetic rod, 18a rod end, 19 electromagnetic rod, 20 electromagnetic magnet, 20a winding, 20b spring, 21 mounting bracket, 22 fixing hole, 23 winding machine, 24 rail stand , 25 counterweight rails, 26 rail platforms, 27 cars, 28 car floors, 29 car suspension suspension sheaves, 30 return sheaves, 31 return sheaves, 32 counterweights, 33 suspending pulleys, 34 rope stop blocks, 35 ropes Detent beam, 101 elevator without machine room.

Claims (24)

An elevator hoist having a rotor housing equipped with a rotor and a stator housing equipped with a stator,
The stator housing is disposed opposite the rotor housing, is connected to the end of the rotor housing and the shaft pin at the end, and is rotated by the shaft pin. The method according to claim 1,
The rotor,
Rotary axis of rotation,
A brake drum which rotates in conjunction with the rotary shaft and a suspension rope which suspends a car and is wound with the brake drum,
The stator,
The stator housing is disposed on the inner circumferential side of the brake drum when the stator housing is disposed opposite to the rotor housing, and presses the inner circumferential surface of the brake drum to advance toward the brake drum when the stator housing is advanced toward the brake drum. An elevator hoisting machine, comprising: a brake arm for braking a car; The method according to claim 2,
The rotor housing and the stator housing are disposed opposite to orthogonal to the axis of rotation,
Elevator stator, characterized in that the stator housing is rotated to open to cross the rotation axis. The method according to claim 3,
The stator housing,
An elevator hoisting machine comprising the brake drum when disposed opposite to the rotor housing and exposing the brake drum outward when rotated. The method according to claim 3,
The stator housing,
It has a stator cylindrical part which forms a cylindrical shape which one side is opened and the other side is occluded, and contains the said brake drum from an open side, When the brake drum is contained, the inner peripheral surface of the stator cylindrical part opposes the outer peripheral surface of the said brake drum. Elevator hoisting machine. The method according to claim 5,
In a plane including the rotation axis of the brake drum at the same time orthogonal to the rotation axis of the stator housing,
In front of the rotation axis of the rotation shaft,
The distance between the open end of the inner circumferential surface of the stator cylindrical portion and the pivot shaft is shorter than the shortest distance between the outer circumferential surface of the brake drum and the pivot shaft,
Inside the rotating shaft of the rotation shaft,
The shortest distance between the inner circumferential surface of the stator cylindrical portion and the pivot shaft is longer than the distance between the end of the outer circumferential surface of the brake drum and the pivot shaft on the side where the stator cylindrical portion occludes. The method according to any one of claims 1 to 6,
The stator housing further includes a stator coupling piece that engages with the mating component,
The rotor housing includes a rotor coupling piece that can be moved back and forth with respect to the stator coupling piece as the counterpart.
The rotor coupling piece engages with the stator coupling piece as it travels toward the stator coupling piece and suppresses rotation of the stator housing, and moves away from the stator coupling piece when retracted from the stator coupling piece to rotate the stator housing. Elevator traction machine, characterized in that to release the suppression of. The method according to claim 7,
The rotor coupling piece has an insertion hole portion through which a tapered insertion hole is pulled out or inserted into the insertion hole, and the insertion hole is inserted into the insertion hole by moving along the inclination of the taper of the insertion hole pulled out or inserted into the insertion hole portion. And retracting from the stator engaging piece when the insertion hole is pulled out from the insertion hole, and moving toward the stator engaging piece. The method according to claim 8,
And the sheave has a fixing hole portion into which the tip of the insertion hole inserted into the insertion hole portion of the rotor coupling piece is inserted, and is fixed so as not to rotate by insertion of the tip of the insertion hole into the fixing hole portion. The method according to any one of claims 7 to 9,
The elevator hoisting machine,
Prior to the retracting of the rotor coupling piece, and further equipped with a sheave power cut-off switch that is mounted on the rotor housing and at the same time the power to the rotary device for rotating the sheave when the switch is inserted,
The rotor coupling piece is the elevator hoisting machine, characterized in that for inserting the sheave power cut-off switch when retracted from the stator coupling piece. The method according to any one of claims 8 to 9,
The elevator hoisting machine,
And an insertion opening operation switch for inserting an insertion opening into the insertion hole portion of the rotor coupling piece when the switch is inserted. The method according to any one of claims 2 to 11,
The elevator hoisting machine,
A cylindrical screw cut rod threaded in a circumferential direction, a rope restraint portion facing the suspension rope and connected to one end of the screw cut rod, and the screw cut rod connected to the screw cut rod. It further comprises a rope restraint having a handle for rotating in the circumferential direction of the screw cut rod back and forth in the longitudinal direction of the screw cut rod by a screw action,
The rope restraint is the screw cut rod rotated by the handle is advanced to the rope restraint side, the screw cut rod advanced to the rope restraint side by pressing the rope restraint portion to the suspension rope to contact the suspension rope Elevator hoisting machine, characterized in that the restraint. The method according to any one of claims 2 to 11,
The elevator hoisting machine,
Rope restraints facing the suspension ropes,
An elevator hoisting machine, characterized in that it further comprises a restraint actuation switch which restrains the suspension rope by pressing the rope restraint onto the suspension rope when the switch is inserted. The method according to any one of claims 2 to 13,
The stator housing,
A brake arm link piece connected to the brake arm;
A brake arm guide rod connected to the brake arm link piece;
Further provided with a brake arm induction cam having a convex portion,
Before rotation of the stator housing,
The brake arm link piece extends in the retraction direction of the brake arm,
The brake arm guide rod is disposed so that an end thereof contacts the brake arm guide cam,
At rotation of the stator housing
The brake arm induction rod moves on the brake arm induction cam to climb the convex part with the end of the stator housing rotating.
The brake arm link piece is pushed out of the connecting portion with the brake arm guide rod by the brake arm guide rod on which the end is raised on the convex portion.
The brake arm is an elevator hoisting machine, wherein the connection part with the brake arm link piece is pulled back by the brake arm link piece on which the connection part with the brake arm guide rod is pushed out. The method according to claim 14,
The brake arm induction rod is provided with an induction elastic body that stretches,
After the rotation of the stator housing,
The brake arm guide rod is separated from the brake arm guide cam and is pushed back in the opposite direction to the rotation of the stator housing by the guide elastic body.
The brake arm link piece is pulled back by the connecting portion with the brake arm guide rod by the brake arm guide rod,
And said brake arm is pushed back in the advancing direction by said brake arm link piece. The method according to any one of claims 14 to 15,
And said brake arm guide rod has a long hole extending in an extension direction of said brake arm guide rod as a bearing of a pin connecting said brake arm link piece. The method according to any one of claims 14 to 16,
And the stator housing has a long hole extending in the advancing direction of the brake arm as a bearing of a pin connecting the brake arm and the brake arm link piece. The method according to any one of claims 2 to 17,
The elevator hoisting machine is further
An elevator hoisting machine comprising a brake arm operating switch for retracting said brake arm to a position at the time of non-braking when the switch is inserted. The method according to any one of claims 2 to 18,
And the stator housing has an inspection hole opened to a portion facing the brake arm and the brake drum. The method according to claim 2,
The elevator hoisting machine,
Sheave fixing mechanism for fixing the sheave during rotation stop,
And a housing lock mechanism for suppressing rotation of the stator housing when the stator housing is closed and releasing the suppression of rotation of the stator housing in conjunction with the fixing of the sheave by the sheave fixing mechanism. Elevator hoisting machine. The method of claim 20,
The elevator hoisting machine,
An elevator hoisting machine, characterized in that it further comprises a sheave power cut-off mechanism for blocking the power to the rotary device for rotating the sheave in conjunction with the fixing of the sheave by the sheave fixing mechanism. The method according to claim 2,
The elevator hoisting machine,
An elevator hoisting machine further comprising a rope restraint mechanism for restraining the movement of the suspension rope. The method according to claim 2,
The elevator hoisting machine,
And an arm operation mechanism for retracting the brake arm when the stator housing is rotated. The method according to claim 23,
The cancer operation mechanism,
Pushing the brake arm in a direction of travel before rotation of the stator housing, pulling the brake arm in a retracting direction during rotation of the stator housing, and pushing back the brake arm in a direction of travel after rotation of the stator housing; An elevator traction machine characterized in that.

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