JPH08245122A - Elevator - Google Patents

Abstract

PURPOSE: To easily adjust an engaging position of a tail cord on the lower side of a cage. CONSTITUTION: A pair of brackets 2 is provided in parallel against a lower surface of a floor frame 1. A pair of rollers 4A is placed on the insides of these brackets 2. Shafts 4a of these rollers 4A are supported by arms 5b, and these arms 5b are supported by vertical arms 5a. A base 5 is fixed on lower ends of these vertical arms 5b. A pair of guide frames 3 is fixed on a lower surface of this base 5, and a pair of rollers 4B is placed on the insides of these guide frames 3. A shaft 7 is pierced through these rollers 4B, and an upper end of a mounting plate 6 is fixed on this shaft 7. Tail cords 32 are locked on the lower parts of the mounting plate 6.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to elevators.

[0002]

2. Description of the Related Art FIG. 5 is a perspective view showing an example of a conventional rope traction type 1: 1 single wrap type elevator. In FIG. 5, a machine beam 27 is laterally fixed to a building wall (not shown) at the upper part of a hoistway 20 that is vertically formed in a drawing of a building.
And a control panel 26 are installed.

Of these, the hoisting machine 21 on the left side has an electric motor 22
Is fixed, and a reducer and a brake 24 are connected to the output shaft of the electric motor 22, and a sheave 23 is attached to the output shaft of the reducer. This sheave 23 has a main rope
30 is wound, and a car frame 41 is suspended at the lower end of the main rope 30 on the right side in FIG. 5, and the car frame 41 is mounted on the car frame 41.
42 are stored.

The left side of the main rope 30 hangs down along the left side of the hoistway 20 through the deflecting sheave 28, and the counterweight 31 is suspended at the lower end. The counterweight 31 is the upper and lower ends of the counterweight 31. A pair of guide rails installed vertically in the hoistway 20 via guide rollers (not shown)
You are guided to 34.

Similarly, a pair of guide rails 25 are vertically installed on the right side of the hoistway 20 to vertically move the hoistway 20 in the car frame 41.
Is attached to the top and bottom of this car frame 41 and guide rail 25
It is guided by a guide roller (not shown) that is pressed by and rolls.

The lower end of the cable hanging from the control panel 26 to the hoistway 20 is connected to a hoistway joint box (not shown) installed in the hoistway 20, and the cable is hung from the lower end of the hoistway joint box to the hoistway 20. The end portion of the tail cord 32 is passed through a tail cord joint box 19 provided at the lower end of the car frame 41, and then an electric motor for driving a car door (not shown) above the car 42 or the car 42
It is connected to the internal push buttons and indicators, limit switches, etc.

In the pit 35 at the lower end of the hoistway 20, an oil-filled shock absorber 33A is installed at a position below the counterweight 31.
The oil-filled shock absorber 33B is erected at a position below the car frame 41.

In the elevator constructed as described above, the counterweight 31 is within the rating mounted on the car 42,
For example, it is configured to have a weight corresponding to 40% to 60% of the rated load, and due to the friction between the sheave 23 and the main rope 30,
Along the guide rails 24 and 25, it is operated in a slippery manner.

When the car frame 41 is located above and below the hoistway 20, the length of the main rope 30 on the balance frame 41 side and the counterweight 31 side changes, and as a result, the main rope 30 In order to prevent the load on both sides from fluctuating, a compensating rope (not shown) is locked to the lower end of the car frame 41.

FIG. 6 is a partial detailed view showing the lower end of the car frame 41 shown in FIG. In FIG. 6, a pair of lower beams 8 made of channel steel are provided in the car frame 41 at substantially the center of the floor frame 1.
Are provided in the direction orthogonal to the paper surface. The lower ends of the vertical frames on both sides of the car frame 41 shown in FIG. 5 are fixed to both ends of the lower beam 8 in the direction orthogonal to the paper surface.

On the left side (that is, the car door side) of the lower beam 8 in FIG. 6, a pair of brackets made of channel steel.
12 are provided in the direction orthogonal to the paper surface and are fixed to the lower surface of the floor frame 1, respectively.

A support frame 13 also made of channel steel is placed on the upper surfaces of the lower teeth of the bracket 12 facing each other. A plurality of bolt holes 13a are continuously formed in the central portion of the support frame 13. Both ends of the support frame 13
It is fastened to the lower teeth of the left and right brackets 12 by rail clips 11.

An upper end of a mounting plate 15 formed in a substantially convex shape is superposed on the support frame 13, and is fixed by a bolt inserted in a bolt hole 13a. The upper ends of the wire ropes 14 of the plurality of tail cords 32 are fixed to the mounting plate 15 via bolts 10B. As shown in FIG. 5, each of the tail cords 32 is disposed on the upper side of the car frame 41 via the side surface of the car frame 41.

In the thus constructed elevator, the mounting position of the mounting plate 15 is adjusted in the horizontal direction in FIG. 6 in order to maintain the balance of the car frame during the installation work of the elevator.

In that case, the car frame 41 is lowered to the pit of the hoistway, and the bolts are removed while the lower end of the mounting plate 15 is supported by a jack or the like, and the position of the mounting plate 15 is moved to the left or right. Is inserted into the bolt hole 13a and tightened again.

[0016]

However, in the elevator constructed as described above, the work for adjusting the position of the mounting plate 15 may not be completed by one movement. After removing and supporting the jack against the lower end of the mounting plate 15, the bolt tightening location must be changed.

Even so, since the positions of the bolt holes 13a are positioned in a stepwise manner, when the mounting position of the mounting plate 15 goes too far, the mounting plate 15 must be returned to its original position, and the jack is carried out each time. The mounting plate 15 must be repeatedly supported and the bolts must be removed and tightened again.

Moreover, these works must be completed within a short deadline which is restricted by the schedule of other works of the building in which this elevator is installed and the trial run adjustment work of this elevator. Then, the objective of this invention is to obtain the elevator which can adjust easily the locking position of the tail cord under the car.

[0019]

According to the elevator of the invention described in claim 1, a mounting plate is suspended via a roller provided on the lower side of a car floor, and one side of the mounting plate is locked in a hoistway to a control panel. The other side of the tail cord to be connected is locked to a mounting plate.

Further, in the elevator according to the second aspect, a pair of first guide frames are additionally provided on the lower side of the car floor, and the first guide frames are loosely fitted to the first guide frames so that the first guide frames are interposed between the first guide frames. A pair of second guide frames provided in a direction orthogonal to the first guide frame is suspended, and a mounting plate is suspended on the second guide frame via a second roller, and one side is locked in the hoistway and controlled. It is characterized in that the other side of the tail cord connected to the board is supported by a mounting plate.

In the elevator according to the third aspect of the present invention, a screw rod is supported by a support provided below the car floor,
The upper end of the mounting plate is screwed to this screw rod, and one side is locked to this mounting plate, the other side is locked to the hoistway, and the other side of the tail cord connected to the control panel is supported by the mounting tool. And

Further, in the elevator according to the invention as defined in claim 4, a pair of first supports is attached to the lower side of the car floor, and a first screw rod is penetrated through the first supports. A pair of second supports are suspended on the first screw rod, a second screw rod is pierced on the second support, and a mounting plate is suspended on the second screw rod.
It is characterized in that one side is supported by the mounting plate, the other side is locked in the hoistway, and the other side of the tail cord connected to the control panel is supported by the mounting plate.

[0023]

According to the present invention, the position of the load applied to the car by the tail cord is adjusted by the movement of the mounting plate suspended below the car floor via the roller.

Further, in the invention described in claim 2,
The position of the load applied to the car by the tail cord is determined by the second guide frame suspended from the first guide frame via the first roller,
It is adjusted in any direction by a mounting plate suspended from the second guide frame via a second roller.

Further, in the invention described in claim 3,
The position of the load applied to the car by the tail cord is adjusted by the movement of the mounting plate supported on the lower side of the car floor via the screw rod.

Further, in the invention as set forth in claim 4, the position of the load applied to the car by the tail cord is the second support suspended on the first screw rod penetrating the first support, It is adjusted in any direction by the movement of the mounting plate suspended on the second screw rod penetrating the second support.

[0027]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the elevator according to the present invention will be described below with reference to the drawings. FIG. 1 is a partial detailed view showing a first embodiment of the elevator of the present invention, which is a view corresponding to FIG. 6 shown in the prior art, and FIG.
It is -A sectional drawing. The same elements as those in FIG. 6 are designated by the same reference numerals and the description thereof will be omitted.

In FIGS. 1 and 2, a pair of brackets 2 are fixed to the left side (car door side) of the lower surface of the floor frame 1 in parallel with the opening / closing direction of the car door. A plurality of elliptical tightening holes for fixing a later-described fixing metal fitting 9 are continuously provided in the lower tooth portion of the bracket 2.
Inside the bracket 2, a pair of rollers 4A is inserted.

One side of the shaft 4a of the roller 4A is press-fitted into a radial bearing (not shown) inserted into a boss portion (not shown) at the tip of the strip-shaped arm 5b. The base end of the arm 5b is fixed to the upper part of the strip-shaped vertical arm 5a.

On one side of the vertical arm 5a, one side of a fixing metal fitting 9 shown in FIG. 2 (b) made of a mountain rope is fixed.
The other side of the fixing bracket 9 is fixed to the upper surface of the lower portion of the bracket 2 with a bolt. A pair of bolt holes 9a fixed to the vertical arm 5a are formed on one side of the fixing fitting 9, and oval bolt holes 9b for positioning adjustment are formed on the other side.

The lower end of the vertical arm 5a is fixed to the upper surface of the base 5, which is not shown in the plan view.
It is formed in a rectangular shape. A pair of guide frames 3 made of channel steel is provided on the lower surfaces of the left and right ends of the base 5 in FIG.
Are fixed parallel to each other. A plurality of oval-shaped not-shown tightening holes are also continuously formed in the central portion of the lower teeth of the guide frame 3.

Inside the pair of guide frames 3, a roller 4 which is the same as the roller 4A provided inside the bracket 2 is provided.
B is provided. A shaft 4a extends through the roller 4B, and each roller 4B is rotatable via a radial bearing (not shown) press-fitted into the shaft 4a.

The tip of the arm 6a is inserted into one end of each shaft 4a. The base end of the arm 6a is fixed to the upper end of the mounting plate 6 that is bent in a substantially Z shape. Similar to FIG. 6, the upper ends of the wire ropes 14 protruding from the upper ends of the plurality of tail cords 32 are locked to the lower part of the mounting plate 6 with bolts 10A via a spacing tube.

In the elevator thus constructed, when adjusting the locking position of the tail cord 32, the bolt fixing the fixing bracket 9 to the bracket 2 is removed, and the base 5 is indicated by the arrow X1 shown in FIG. Move in the direction of. When the positioning adjustment of the base 5 is completed, the fixing bracket 9 is fixed to the bracket 2 again and tightened to the vertical frame 5a.

Further, when the position of the tail cord 32 is viewed from the front side of the car, the left and right directions, that is, the arrow Y1 in FIG.
When adjusting in the direction indicated by, the mounting plate 6 is moved to the left and right as shown by an arrow Y1 in FIG. 2 to be positioned at a predetermined position.

After the positioning of the mounting plate 6 is completed, the same fixtures 9 as shown in FIG. 1 are brought into contact with both sides of each roller 4B, and the fixtures 9 are fixed to the guide frame 3 with bolts. .

Therefore, in the thus constructed elevator, the work of adjusting the position of the tail cord is performed by the roller 4A moving on the upper surface of the lower tooth of the bracket 2.
Since it can be performed by the roller 4B that rolls the guide frame 3 and the tail cord and the supporting portion of the tail cord can be lifted, the work can be performed easily and in a short time.

Further, the vertical arm 5 suspended from the roller 4A.
By fixing a to the fixing bracket 9, the force that exceeds the load of the tail cord due to the acceleration and deceleration of the car is applied to the roller 4A and the arm 5b.
Can be prevented from being applied to the.

Next, FIG. 3 shows a second elevator of the present invention.
4 is a partial detailed view showing the embodiment of FIG.
[Fig. 3] is a sectional view taken along line BB in Fig. 3 and also a diagram corresponding to Fig. 2.

In FIGS. 3 and 4, a pair of brackets 2 are fixed to the left side (car door side) of the lower surface of the floor frame 1 in parallel with the opening / closing direction of the car door. A jack bolt 16A is pierced through the bracket 2, of which the right side in FIG. 3 is fixed to the right side bracket 2 by a double nut 20.

The jack bolt 16A has a vertical arm 17A,
The upper part of 17B is inserted. The base 5 is fixed to the lower ends of the vertical arms 17A and 17B, and the upper surfaces of the pair of support frames 19 are fixed to the lower surfaces of the base 5.

This support frame 19 has a short jack bolt 16
B is laid horizontally. The right side of the jack bolt 16B is also fixed to the right supporting frame 19 with a pair of double nuts 20.

The upper end of the mounting plate 6A is inserted into the jack bolt 16B. At the center of the mounting plate 6A, the upper ends of the wire ropes 14 of the pair of tail cords 32 are attached by bolts 10.
It is fixed with A and color.

In the elevator thus constructed, when the tail cord 32 is moved as shown by an arrow X2 in FIG. 3 to adjust the level of the car, after tightening the double nut 20, the jack bolt 16A is tightened. Is rotated to the right or left to move the mounting plate 6A via the base 5 and the support frame 19.

Similarly, in the case of moving as shown by the arrow Y2 in FIG. 4, the right side of the jack bolt 16B is
After tightening the double nut 20 that is fixed to the right support frame 19, attach a tool to the head of the jack bolt 16B and rotate it to the right or the left, so that the base 5 and the support frame 19 , The mounting plate 6A is moved.

In the thus constructed elevator, the tail cord position can be adjusted continuously by rotating the jack bolt, so that the position can be continuously adjusted. Compared with an elevator, there is an advantage that fine adjustment is easy.

[0047]

As described above, according to the invention of claim 1,
By suspending the mounting plate via the rollers provided on the lower side of the car floor, one side is locked to the hoistway and the other side of the tail cord that is connected to the control panel is locked to the mounting plate. Since the position of the load applied to the car is adjusted by moving the mounting plate suspended under the car floor via rollers, it is possible to easily adjust the locking position of the tail cord under the car. Can be obtained.

According to the second aspect of the present invention, a pair of first guide frames are additionally provided on the lower side of the car floor, and the first guide frames are loosely fitted to the first guide frames so that the first guide frames are inserted through the first rollers. A pair of second guide frames provided in the direction orthogonal to the first guide frame are suspended, and the second guide frame is suspended.
By suspending the mounting plate on the guide frame of the second roller via the second roller, and supporting the other side of the tail cord that is locked to the hoistway and connected to the control panel to the mounting plate, The position of the load is placed on the second guide frame suspended from the first guide frame via the first roller, and the second guide frame is provided with the second guide frame.
Since it is possible to adjust in any direction by the mounting plate suspended via the roller, it is possible to obtain an elevator in which the locking position of the tail cord under the car can be easily adjusted.

According to the third aspect of the invention, a screw rod is supported by a support provided on the lower side of the car floor, and the upper end of the mounting plate is screwed onto this screw rod. One side is locked to one side and one side is locked to the hoistway and is connected to the control panel.The other side of the tail cord is supported by the fixture, and the position of the load applied to the car by the tail cord is determined by the cage through the screw rod. Since it can be adjusted by moving the mounting plate supported on the lower side of the floor, it is possible to obtain an elevator in which the locking position of the tail cord on the lower side of the car can be easily adjusted.

Further, according to the invention of claim 4,
A pair of first supports is attached to the lower side of the car floor, a first screw rod is pierced through the first support, and a pair of second supports is suspended on the first screw rod, A second screw rod is pierced through the second support, and a mounting plate is suspended on the second screw rod. One side is supported by the mounting plate and the other side is locked in the hoistway and connected to the control panel. By supporting the other side of the tail cord with a mounting plate, a position where the load applied to the car by the tail cord is suspended by a first screw rod penetrating the first support, and Since the mounting plate suspended on the second screw rod penetrating the second support can be adjusted in any direction, the locking position of the tail cord below the car can be easily adjusted. It is possible to obtain an elevator that can be used.

[Brief description of drawings]

FIG. 1 is a partial detailed view showing a first embodiment of an elevator of the present invention.

2A is a sectional view taken along line AA in FIG. 1, and FIG.
The partial expanded detail perspective view of (a).

FIG. 3 is a partial detailed view showing a second embodiment of the elevator of the present invention.

FIG. 4 is a sectional view taken along line BB of FIG. 3;

FIG. 5 is a perspective view showing an example of a conventional elevator.

FIG. 6 is a partially enlarged view showing an example of a conventional elevator.

[Explanation of symbols]

1 ... Floor frame, 2 ... Bracket, 3 ... Guide frame, 4A, 4B ...
Roller, 5 ... Base, 6 ... Mounting plate, 7 ... Shaft, 8 ... Lower beam,
9 ... Fixing bracket, 10A, 10B ... Bolt, 14 ... Wire rope, 16A, 16B ... Jack bolt, 17A, 17B ... Vertical arm,
19 ... Support frame, 20 ... Double nut, 32 ... Tail cord.

Claims (4)

[Claims] 1. A mounting plate movably suspended via rollers provided on the lower side of a car floor, and one side is locked to this mounting plate and the other side is locked to a hoistway and connected to a control panel. Elevator with tail code. 2. A pair of first guide frames attached to the lower side of the car floor, and the first guide frame suspended via a first roller that is loosely fitted to the first guide frames. A pair of second guide frames provided in the orthogonal direction, a mounting plate suspended by the second guide frame via a second roller, and one side supported by the mounting plate and the other side locked in the hoistway. Elevator with a tail cord that is connected to the control panel. 3. A screw rod supported by a support attached to the lower side of the car floor, and a mounting plate having an upper end screwed to the screw rod,
An elevator having a tail cord, one side of which is supported by the mounting plate and the other side of which is locked in a hoistway and connected to a control panel. 4. A pair of first supports attached to the lower side of the car floor, and a first screw rod penetrating the first supports,
A pair of second supports suspended on the first screw rod; a second screw rod penetrating the second support; a mounting plate suspended on the second screw rod; An elevator having a tail cord, one side of which is supported by a mounting plate and the other side of which is locked in a hoistway and connected to a control panel.