CN203820242U

CN203820242U - Elevator

Info

Publication number: CN203820242U
Application number: CN201420098111.6U
Authority: CN
Inventors: 冢田夏美
Original assignee: Toshiba Elevator Co Ltd
Current assignee: Toshiba Elevator and Building Systems Corp
Priority date: 2013-07-05
Filing date: 2014-03-05
Publication date: 2014-09-10
Anticipated expiration: 2024-03-05
Also published as: JP5823450B2; JP2015013728A

Abstract

The utility model provides an elevator, which is an elevator with rope winding ratio of 2:1, wherein a fixing unit which is used for fixing the end part of a rope which is wound on a winch is arranged in a lifting passage, the rope respectively passes through a car side opening part which is arranged on the bottom surface of the mechanical room of the winch and a counterweight side opening part which is formed on the bottom surface for one time, the car and a counterweight are respectively hung by the rope winding ratio of 2:1 and the end part of the rope is fixed by the fixing unit.

Description

Elevator

Technical field

Embodiment of the present utility model relates to update method and the elevator that the rope type elevator of 1:1 wiring (roping) is updated to the elevator of 2:1 wiring.

Background technology

In the middle low speed rope type elevator of having established, be provided with the winch that is provided with gear reduction unit, form the formation of the rotation of motor being slowed down and it is transmitted to main rope sheave by gear reduction unit.In this forms, in order to obtain slow speed of revolution and high torque (HT), the situation that is made as 1:1 wiring is more.

But, when upgrading rope type elevator, can consider that the gearless winch that winch is changed to main flow is to seek energy-saving.Gearless winch does not use gear reduction unit, and the rotation of motor is directly delivered to main rope sheave, so mechanical efficiency is high, from energy-conservation viewpoint, preferably.

Generally speaking, in gearless winch, the situation that is made as the 2:1 wiring that is provided with rope sheave the rope of reeling in car and balance weight on rope sheave is more.By 1:1 wiring is made as to 2:1 wiring, can drive elevator by gearless winch.As such invention, there are Japanese Laid-Open Patent Publication, JP 2012-201484 communique (hereinafter referred to as patent documentation 1).

When the rope type elevator of 1:1 wiring is updated to 2:1 wiring, need to make rope reciprocal in the peristome of being located at the bottom surface that is provided with winch, so rope need to be at this peristome by 2 times.But the peristome of having established of the rope type elevator of 1:1 wiring is for passing through the size of 1 time for rope.Therefore, need to append and carry out enlarged openings portion or being provided with the new bottom surface engineerings such as peristome that form on the bottom surface of winch, have the such problem of the renewal project spended time.

Utility model content

The utility model completes in view of above-mentioned problem, even if its problem is to provide the additional works of the bottom surface that is not provided with winch also the rope type elevator of 1:1 wiring can be updated to update method and the elevator of the elevator of 2:1 wiring.

The update method of the elevator that embodiment of the present utility model is related is by the elevator renewal of 1:1 wiring, to be the update method of the elevator of 2:1 wiring.Wherein, comprising: the step that the rope that the 1:1 wiring being wound on winch is used takes off; The hung chemical industry journey of carrying out car and balance weight in the mode that can hang by 2:1 wiring, and the fixed cell of the end of the rope that fixedly 2:1 wiring is used is respectively located to the step in the lift path below the bottom surface that is formed at the Machine Room that is provided with winch; With the rope that 2:1 wiring is used by be formed at the cage side peristome of bottom surface and be formed at bottom surface balance weight side opening portion each once and in the mode that hangs by 2:1 wiring by rope winding in winch, car and balance weight, and the end of rope is fixed on to the step of fixed cell.

In addition, the elevator that embodiment of the present utility model relates to is the elevator of 2:1 wiring.The fixed cell in lift path with the end of the rope that is fixedly wound in winch, rope by be formed at the Machine Room that is provided with winch bottom surface cage side peristome and be formed at bottom surface balance weight side opening portion each once, car and balance weight are hung by 2:1 wiring and the end of rope is all fixed, and unit is fixed.

Accompanying drawing explanation

Fig. 1 is the front view of the formation of the elevator before explanation renewal in the 1st embodiment.

Fig. 2 is the lateral plan of the formation of the elevator before explanation renewal in the 1st embodiment.

Fig. 3 is the back view of the formation of the elevator before explanation renewal in the 1st embodiment.

Fig. 4 is the front view of the formation of the elevator after explanation renewal in the 1st embodiment.

Fig. 5 is the lateral plan of the formation of the elevator after explanation renewal in the 1st embodiment.

Fig. 6 is the back view of the formation of the elevator after explanation renewal in the 1st embodiment.

Fig. 7 is the birds-eye view of the formation of the elevator after explanation renewal in the 1st embodiment.

Fig. 8 is the vertical view cutaway drawing of the formation of the elevator after explanation renewal in the 1st embodiment.

Fig. 9 is the diagram of circuit of order that the update method of elevator is described in the 1st embodiment.

Figure 10 is the front view of the formation of the elevator after explanation renewal in the 2nd embodiment.

Figure 11 is the back view of the formation of the elevator after explanation renewal in the 2nd embodiment.

Figure 12 is the birds-eye view of the formation of the elevator after explanation renewal in the 2nd embodiment.

The specific embodiment

With reference to the accompanying drawings, the update method of the elevator of embodiment and elevator are described.In addition, in the 2nd embodiment, the parts identical with parts are described are marked identical Reference numeral and omission is described subsequently.

(the 1st embodiment)

First, the 1st embodiment is described.Fig. 1～Fig. 3 is respectively front view, lateral plan and the back view of the formation of the elevator before explanation is upgraded.

In elevator EB before renewal, on the bottom surface 2 of Machine Room 1, dispose 2 row mechanical beams (machine beam) 3, and in this 2 row mechanical beams 3, be provided with mechanical pedestal (machine bed) 4, on mechanical pedestal 4, as winch, be provided with gear winch 5.

In elevator EB before renewal, there is gear winch 5 by gear reduction unit, the rotation of motor slowed down and transmit rotation to main rope sheave 6.And then, winch lateral deviation sheave 7 is installed in mechanical pedestal 4.On the bottom surface 2 of Machine Room 1, as the peristome that passes through the size of 1 time for rope 8B, be formed with cage side peristome 9 and balance weight side opening portion 10.

Rope 8B at one end portion is anchored on car 11 tops, is anchored on balance weight 12 tops in the other end.Rope 8B is winding to by cage side peristome 9 from car 11 tops the main rope sheave 6 that has gear winch 5, by 7 guiding of winch lateral deviation sheave, by balance weight side opening portion 10, is connected in balance weight 12 tops.By this, form, via rope 8B, the car 11 in lift path 13 along car the balance weight 12 with guide rail 14 and in lift path 13 along the relative lifting of guide rail 15 for balance weight.In elevator EB before renewal, form like this 1:1 wiring.

Fig. 4～Fig. 8 is respectively front view, lateral plan, back view, birds-eye view and the vertical view cutaway drawing of the formation of the elevator after explanation is upgraded.In addition, in Fig. 7, by section, represent lift path wall, Fig. 8 is the direction of arrow P1-P1 cutaway view of Fig. 4.

In elevator ER after renewal, on the bottom surface 2 of Machine Room 1, be arranged with 2 row mechanical beams 3, in this 2 row mechanical beams 3, be provided with mechanical pedestal 4, in mechanical pedestal 4, as winch, be provided with gearless winch 16.On gearless winch 16, the main rope sheave 17 of the rotation of direct transmission motor is installed.And, winch lateral deviation sheave 7,18 is also installed in mechanical pedestal 4.

On the bottom surface 2 of Machine Room 1, be formed with for rope 8R by cage side peristome 9 and the balance weight side opening portion 10 of the size of 1 time.

In elevator ER after renewal, in order to be made as 2:1 wiring, on car 11, be provided with car sheave 19, in balance weight 12, be provided with balance weight rope sheave 20.And, in lift path 13, be provided with the fixing fixed cell F in rope 8R end.In the present embodiment, fixed cell F has: the beam 21 for car that is fixed on the car use guide rail 14 in lift path 13; With the beam 24 for balance weight that is fixed on the balance weight use guide rail 15 in lift path 13.

At car, with on beam 21, be provided with deflector sheave 22(rope pilot unit G for car) and be fixed with suspension hook for car (hitch) 23.By the car in lift path 13, with beam 21 for car is set on guide rail 14, can deflector sheave 22 and suspension hook 23 for car for car be set lift path 13 is interior.

In balance weight, with on beam 24, be provided with deflector sheave 25(rope pilot unit G for balance weight) and be fixed with suspension hook 26 for balance weight.By the balance weight in lift path 13, with beam 24 for balance weight is set on guide rail 15, can deflector sheave 25 and suspension hook 26 for balance weight for balance weight be set lift path 13 is interior.

The end of rope 8R is anchored on suspension hook 23 and suspension hook 26 for balance weight for car.Rope 8R, in end, be fixed on car with suspension hook 23 and be wound in car sheave 19, by car, by deflector sheave 22 guiding, by cage side peristome 9, be wound in the main rope sheave 17 of gearless winch 16, by winch lateral deviation sheave 18,7, led by balance weight side opening portion 10, by balance weight, by deflector sheave 25 guiding, be wound in balance weight wheel 20, and be fixed on suspension hook 26 for balance weight.

(explanation to the sequence of events of upgrading)

Fig. 9 is the diagram of circuit of order that the update method of elevator is described in the present embodiment.With reference to Fig. 9, the renewal operation of carrying out is in the present embodiment described on one side on one side below.

First, car 11 and balance weight 12 are installed on to hook in lift path 13 etc., the rope 8B of coiling is taken off, the gear winch 5 that has of having established is removed to (step S1).Next, the gearless winch 16(step S2 newly establishing is set in mechanical pedestal 4), and then, append deflector sheave 18(step S3 be set).

Then, in order to carry out 2:1 wiring, car 11 and balance weight 12 are constructed.In the present embodiment, on car 11 tops, car sheave 19 is installed, balance weight wheel 20(step S4 is installed on balance weight 12 tops).

In addition, fixing beam 21 for car between the car of having established is with the track of guide rail 14, at beam 24(step S5 for stable equilibrium counterweight between the track of guide rail 15 for balance weight).

Then, at car with deflector sheave 22 and suspension hook 23 car for for car is set on beam 21, in balance weight with balance weight use deflector sheave 25 and balance weight use suspension hook 26(step S6 are set on beam 24).

And then, suspension hook 23 for car is fixed on in the end of rope 8R, by rope 8R be wound in car sheave 19, deflector sheave 22 for car, and be wound in main rope sheave 17, winch lateral deviation sheave 18,7 by cage side peristome 9, then via deflector sheave 25, balance weight wheel 20 for balance weight, be fixed in suspension hook 26(step S7 for balance weight by balance weight side opening portion 10).

So, rope 8R by cage side peristome 9 and balance weight side opening portion 10 each once, the end of rope 8R is individually fixed in as beam 21 and beam 24 for balance weight for the car of fixed cell F, can be made as the elevator ER that is updated to 2:1 wiring.

In addition, sequence of events during renewal can be also above-mentioned other orders in addition, for example, in step S7, also the rope 8R that can reel on winch 5, by rope 8R respectively by cage side peristome 9 and balance weight side opening portion 10, then, in car 11 sides and balance weight 12 sides, by the mode of 2:1 wiring, reel respectively, cable end is individually fixed in to car use suspension hook 23 and suspension hook 26 for balance weight.

(effect)

As discussed above, in the present embodiment, when being updated to the elevator of 2:1 wiring from 1:1 wiring, by the car in lift path 13 with on guide rail 14 fixedly car with beam 21 and at car with deflector sheave 22 and suspension hook 23 for car for car is set on beam 21, and the balance weight in lift path 13 with stable equilibrium counterweight on guide rail 15 with beam 24 and in balance weight with deflector sheave 25 and suspension hook 26 for balance weight for balance weight is set on beam 24, thereby can be at the both ends of the interior stationary rope 8R of lift path 13.Therefore, rope 8R can not pass through cage side peristome 92 times, 1:1 wiring can be changed to 2:1 wiring.Thus, do not need to carry out the construction that cage side peristome 9 is expanded and/or the construction that forms new peristome on bottom surface 2 etc. for the construction of building, so can complete at short notice renewal operation, and can use gearless winch 16 as winch.

In addition, even if can obtain, in the situation that newly establish the elevator of 2:1 wiring, do not need to make the size of cage side peristome 9 to compare the large such effect of size in the past yet.

In addition, the car in lift path 13 is with deflector sheave 22 for car is installed on beam 21.Thus, can prevent rope 8R and 9 interferences of cage side peristome, and rope 8R is via deflector sheave 22 for car, thereby can to rope 8R, be led accurately smoothly by car sheave 19.In addition, can utilize car to adjust winding angle by deflector sheave 22, so can make to act on car, with deflector sheave 22 and the friction force between rope 8R, increase, very suitable as winch use gearless winch 16 in the situation that.

In addition, car is fixed on guide rail 14 for car with beam 21, so car can be arranged to the optional position that car is used 14, guide rail with suspension hook 23.Therefore, can be from car with suspension hook 23 to car sheave 19 suspension cord 8R vertically.

Similarly, balance weight in lift path 13 is with deflector sheave 25 for balance weight is installed on beam 24, can prevent rope 8R and 10 interferences of balance weight side opening portion, and because rope 8R is via deflector sheave 25 for balance weight, can takes turns 20 by balance weight and accurately rope 8R be led smoothly.In addition, can utilize balance weight to adjust winding angle by deflector sheave 25, thus can make the friction force that acts between balance weight is with deflector sheave 25 and rope 8R increase, very suitable use gearless winch 16 as winch in the situation that.

In addition, balance weight is fixed on guide rail 15 for balance weight with beam 24, so balance weight can be arranged to balance weight with suspension hook 26, uses the optional position between guide rail 15.Therefore, can be from balance weight with suspension hook 26 to balance weight wheel 20 suspension cord 8R vertically.

In addition, it is to justify shape that rope 8R is not limited to cross section, also can use cross section for ellipticity and/or plane.

In addition, also can be made as following structure: by connecting part material, car is linked up and is made as for example frame shape portion material with beam 24 with beam 21 and balance weight, car is fixed on to car use guide rail 14 and guide rail 15 for balance weight with beam 21 and balance weight more firmly with beam 24.

(the 2nd embodiment)

Next, the 2nd embodiment is described.Figure 10～Figure 12 is respectively front view, back view and the birds-eye view of the formation of the elevator after explanation is upgraded.In addition, in Figure 12, by section, represent lift path wall.

In the present embodiment, as shown in Figure 10, Figure 12, in the elevator ER after renewal, be provided with: cage side support portion material 27, it is fixed in Machine Room 1 by mechanical beams 3, and starts in the interior extension of lift path 13 from cage side peristome 9; With balance weight side support portion material 28, it is fixed in Machine Room 1 by mechanical beams 3, and starts in the interior extension of lift path 13 from balance weight side opening portion 10.

In addition, in the present embodiment, as by the fixing fixed cell F in the end of rope 8R, in lift path 13, be provided with car curb girder 21 and balance weight curb girder 24.In lift path 13, car curb girder 21 is fixed on cage side support portion material 27, and balance weight curb girder 24 is fixed on balance weight side support portion material 28.

In the present embodiment, except the effect playing at the 1st embodiment, because from Machine Room, 1 side supports fixed cell F(car curb girder 21 and balance weight curb girder 24), so even if can also play that height (overhead) size in lift path 13 is shorter also can be in the interior effect that fixed cell F is set of lift path 13.

Above, several embodiments of the present utility model are illustrated, but these embodiments are to propose as an example, and are not used in the circumscription of utility model in this.These new embodiments can be implemented with other various forms, in the scope that does not depart from the main aim of utility model, can carry out various omissions, displacement, change.These embodiments and/or its distortion are contained in scope and/or the main aim of utility model, and are contained in the utility model of technical scheme record and equal scope thereof.

Claims

1. an elevator, is the elevator of 2:1 wiring, it is characterized in that:

In lift path, there is the fixed cell being fixed being wound in the end of the rope of winch,

Described rope by be formed at the Machine Room that is provided with described winch bottom surface cage side peristome and be formed at described bottom surface balance weight side opening portion each once, car and balance weight are hung by 2:1 wiring and the end of described rope is all fixed by described fixed cell.

2. the elevator of recording according to claim 1, is characterized in that, described fixed cell contains:

Car beam, its car being fixed in described lift path is fixed with guide rail and to the cable end of cage side; With

Balance weight beam, its balance weight of being fixed in described lift path is fixed with guide rail and to the cable end of balance weight side.

3. the elevator of recording according to claim 1, is characterized in that, is provided with:

Cage side support portion material, it is fixed on described Machine Room and reaches in described lift path from described cage side peristome; With

Balance weight side support portion material, it is fixed on described Machine Room and reaches in described lift path from described balance weight side opening portion;

Described fixed cell is fixed by described cage side support portion material and described balance weight side support portion material.

4. according to wantonly 1 elevator of recording in claim 1～3, it is characterized in that:

At described fixed cell, be provided with rope pilot unit, this rope pilot unit prevents that described rope and described cage side peristome and described balance weight side opening portion from interfering.