CN1714038B

CN1714038B - Elevator system of machine-free chamber

Info

Publication number: CN1714038B
Application number: CN028299493A
Authority: CN
Inventors: F·戴特; D·迪佩; J·-N·克卢克斯; M·比夫塞尔特; R·皮卡; P·勒比拉尔; F·里科; D·皮林; H·法尼勒; J·B·勒格兹
Original assignee: Otis Elevator Co
Current assignee: Otis Elevator Co
Priority date: 2002-11-25
Filing date: 2002-11-25
Publication date: 2013-01-16
Anticipated expiration: 2022-11-25
Also published as: WO2004048246A1; EP1567440A4; DE60217935T2; KR100951522B1; AU2002350256A1; DE20221212U1; EP1567440A1; EP1567440B3; JP4530857B2; KR20050091703A; EP1567440B1; HK1084371A1; DE60217935T3; ATE352510T1; JP2006507200A; ES2278070T3; CN1714038A; DE60217935D1; ES2278070T7; PT1567440E

Abstract

An elevator system includes guide rail mounted machine (16) and a sheave assembly(32) that accommodates a guide rail (38) within a hoistway. The inventive sheave assembly includes individual sheave portions (54) rotatable along a common axis. At least two of the sheave portions are spaced apart along a shaft (50) and a portion of the guide rail extends toward the axis beyond a plane formed tangent to the outside diameter of the sheave portions.

Description

Elevator device without propulsion plant

Technical field

The present invention relates generally to elevator device, more specifically, relate to a kind of comprise the machine that is installed on the guide rail and hold guide rail the pulley design, joint space-efficient elevator device.

Background technology

Elevator device is usually included in car and bob-weight mobile in the elevator.Rope connects car and bob-weight, and when they move they is supported.Direct motor drive rope lifting car.Usually, car comprises roll wheel assembly, and itself and guide rail are engaged in guiding car in the elevator.Traditionally, electrical motor is installed in the propulsion plant at elevator top.

For example, be arranged on the part of the idle pulley formation cable system on the lift car, be used for making car and bob-weight one lifting.Rope such as lift car and bob-weight, passes idle pulley from the diverse location of system.Idle pulley must take up room in elevator, and guide rail extends to lift car from the inside face of hoistway wall.Proposed various machines conception has been installed, but in view of the requirement of building ordinance and safety procedure, the sometimes expensive of equipment and control.

Developed recently a kind ofly without the propulsion plant elevator device, it no longer needs independently propulsion plant.Answer the customer to wish that elevator device is simpler, more effectively utilize the demand in space to develop without the propulsion plant elevator device.But even this system has been arranged, still need to reduce the shared space of elevator device.

Need the minimization system expense to save hoistway space, and lift car to be easy to install in elevator.In addition, building is not done customized design for holding elevator device usually yet.

For these reasons, preferably can design a kind of elevator device that is suitable for effectively utilizing hoistway space.The present invention solves these demands.

Summary of the invention

Briefly say, the present invention is a kind of elevator device with unique pulley structure, and described pulley structure holds a part of guide rail, takes up room in elevator less, and arrange to have greater flexibility aspect the parts in system.

Elevator device comprises that car and at least one are used for the guide rail of guiding car in elevator when car moves designed according to this invention.The pulley assembly that is installed on the car comprises at least two around the rotatable sheave segment of common axis line, between this part the interval is arranged.Sheave segment is installed around common axle, perhaps installs around the independent axes that is arranged on the common axis line.Guide rail stretches into the interval between the sheave segment, so that at least a portion of guide rail is contained in the interval between the described sheave segment, wherein, each of described sheave segment comprises the neighboring with first outer radial dimension, and the described interval between the described part has the second less outer radial dimension.

Therefore, the structure of system unit of the present invention can provide a kind of more effective and save the space-efficient elevator device.

Description of drawings

To the present detailed description of preferred embodiment, it will be appreciated by one of skill in the art that various characteristics of the present invention and advantage from following.Drawings that accompany the detailed description can be briefly described as follows:

A kind of elevator device of the schematically illustrated design according to the present invention of Fig. 1;

Fig. 2 is the lateral plan that comprises the lift car of guide wheel and idle pulley assembly;

Fig. 3 is the top view of lift car and bob-weight;

Fig. 4 is the top view of another embodiment of the present invention;

Fig. 5 is the enlarged drawing of lift car and bob-weight idle pulley assembly;

Fig. 6 is the enlarged drawing of lift car roll wheel assembly and bob-weight top sheave assembly; With

Fig. 7 is the enlarged drawing of another embodiment of idle pulley assembly.

The specific embodiment

See figures.1.and.2, embodiments of the invention are elevator devices 10, and it comprises the lift car 12 that is supported on elevator 14 interior movements.Elevator 14 comprises and is positioned on elevator 14 inwalls 24 and is installed in guide rail 38 on the counter-weight bracket 56.Counter-weight bracket 56 is installed on the relative inwall 26.Guide rail 38 guiding lift cars 12 are in elevator 14 interior movements.Counter-weight bracket 56 provides the space of extending elevator 14 whole height 42, so that bob-weight 22 moves.

As everyone knows, bob-weight 22 moves when lift car 12 moves.Bob-weight 22 is by guide rail 40 guiding (as shown in Figure 3) that are installed in the elevator.Lift car 12 and bob-weight 22 comprise

pulley assembly

32,34, and they cooperate with rope 36 and machine 16, with cage lifter car 12.In illustrated example, pulley assembly 32 is installed on the bottom 48 of lift car 12, yet in limit of consideration of the present invention, pulley assembly 32 can be as is known to the person skilled in the art be installed on other positions of lift car 12 or other places of system 10 like that as required.Lift car 12 also comprises the

roll wheel assembly

28,30 that is arranged at lift car 12 tops and bottom, and it moves along guide rail 38, to keep the correct aligning of lift car 12.

The machine 16 of example elevator system 10 is positioned and is supported at least one the top in the guide rail 38,40.At

guide rail

38,40 top upper support machine 16, can not need between stand-alone machine that traditional elevator systems requires.Design without propulsion plant elevator device 10 can effectively utilize hoistway space 14, and has got rid of for the demand between stand-alone machine.Utilize guide rail to support machine 16 and also have the minimized advantage of the number of components of making.

Elevator device 10 has been optimized the space utilization in the elevator 14.Method of the present invention allows guide rail 38 to be positioned as close to lift car 12 location.Pulley assembly 32 comprises the interval 62 between special-shaped strip junction surface 54, and it allows guide rail 38 more closely to stretch to lift car 12.

Pulley assembly 32 is arranged on the bottom 48 of lift car 12, and at least two bands 36 pass the idle pulley assembly that is arranged on lift car 12 either sides, and the one end is fixed on the terminal hitch 18 that is installed in one of guide rail 38 top.The other end of every band 36 is fixed on the terminal hitch 20 that is installed in guide rail 38 tops with machine 16 at the idle pulley assembly 34 that passes bob-weight 22 with after above the machine 16.Graphic rope structure only is one type, and should be appreciated that, other structures of elevator rope that are used for cage lifter car 12 are also within consideration of the present invention.

With reference to Fig. 3, each of guide rail 38 comprises the mounting portion 64 that is installed on inwall 24 or the counter-weight bracket 56.What stretched out by guide rails assembling part 64 is a targeting part 66.As everyone knows, targeting part 66 cooperates with roll wheel assembly 28,30.Extend beyond the band composition surface on the sheave segment 54 of pulley assembly 32 by the targeting part 66 that makes guide rail 38 to car 12, save the space in the elevator 14.The targeting part 66 of each guide rail 38 extends between the pulley 54 of pulley assembly 32, reduces the shared amount of space of parts of elevator device 10, thereby has saved the space in the elevator 14.

Example sheave assembly 32 comprises 4 single sheave segments 54 that support around common axle 50.Interval 62 is separated into 2 independent groups that are comprised of two idle pulley parts 54 with sheave segment 54.Each of idle pulley part 54 comprises external diameter 74 (Fig. 4).The plane 72 that the part of the targeting part 66 of each guide rail 38 stretches into and the external diameter 74 of sheave segment 54 is tangent and the interval 62 between the axle 50.The outside dimension at interval 62 is less than the external diameter 74 of sheave segment.In graphic example, the outside dimension of axle 50 has been determined the outside dimension that this is less.

With reference to Fig. 4, in another embodiment of the present invention, independent axes 51 and 53 supports around common axis 58, in order to rotatably support sheave segment 54.In this embodiment, less outside dimension further reduces with respect to the embodiment with common axle 50 shown in Figure 3.

With reference to Fig. 5, axle 50 is supported by the strut member 52 that is attached on the lift car 12.Each of pulley 54 comprises external diameter 74.External diameter 74 and rotation axis 58 spaced apart the first distances 75.Targeting part 66 and the spaced apart second distance 77 of rotation axis of guide rail 38.Second distance 77 to the first distance 75 is little, so that the part of guide rail is in the interval 62 between the sheave segment.In other words, the plane 72 tangent with the external diameter 74 of sheave segment 54 extends through interval 62, and the targeting part 66 of guide rail 38 has at least a part and plane 72 to intersect.

With reference to Fig. 6, guide rail 38 engages with the roll wheel assembly 28 of lift car 12.Rope 36 is shown in the position relative with guide rail 38 and roll wheel assembly 28.Be shown in the position relative with rope 36 with the tangent plane 72 of the external diameter 74 of pulley 54, and intersect with the part of guide rail 38.Idle pulley assembly 32 is installed can be by the interval 62 of its extension to form targeting part 66, like this for the use of lift car 12 has increased the space, and has effectively distributed the interior rare and valuable space of elevator 14.The demand that the customer requires effectively to utilize hoistway space has been satisfied in the space of elevator 14 interior increases provided by the present invention.

With reference to Fig. 5, show the enlarged view of pulley assembly 32.Sheave segment 54 is supported around axis 58 by common axle 50, and comprises the bearing assembly 60 that is installed in each sheave segment 54.Bearing assembly 60 can be any type known to those skilled in the art.In the present embodiment, two sheave segments 54 are shown in any side of guide rail 38 together with corresponding rope 36.Should be appreciated that, support sheave segment 54 also in limit of consideration of the present invention with independent axes.

With reference to Fig. 7, another embodiment of pulley assembly is shown, it all comprises 3 idle pulley parts 54 on each side at interval 62.The number that is arranged on the sheave segment 54 on guide rail 38 either sides is used differently because of concrete, and according to the needs of concrete application, can comprise 2,3,4 or their any combination.

Bob-weight 22 comprises and the pulley assembly 32 similar pulley assemblies 34 that are installed on the lift car 12.In the present embodiment, the guide rail 40 that is used for bob-weight 22 does not extend between the sheave segment 54 that is installed in the pulley assembly 34 on the bob-weight 22.

Above description is exemplary, and is not only an essence explanation.The present invention is described in an illustrative manner, and should be appreciated that, used term is intended to be described but not limits.Can make amendment and change according to above teaching.The preferred embodiments of the present invention have disclosed, yet those of ordinary skills will appreciate that it is to have carried out within the scope of the invention certain modification.Be appreciated that within the scope of the present invention, the present invention can implement by the mode different from specific descriptions.

Claims

1. elevator device without propulsion plant, it comprises:

At least one guide rail;

The car that can optionally move along described guide rail;

The machine of lifting car, this machine are supported at least one the top in the described guide rail; And

Be supported on the pulley assembly on the described car, it comprises at least two sheave segments, between described sheave segment the interval is arranged, and described car can optionally stretch into described interval along its described guide rail that moves,

It is characterized in that, also comprise at least two bands, described at least two bands pass this pulley assembly and through the machine top, described at least two sheave segments are supported on the common axle, to rotate around common axis.

2. the system as claimed in claim 1 is characterized in that, each of described sheave segment comprises the neighboring with first outer radial dimension, and the described interval between the described sheave segment has the second less outer radial dimension.

3. the system as claimed in claim 1 is characterized in that, each described sheave segment comprises the separate piece that is positioned on the either side of described interval.

4. system as claimed in claim 3, comprise be arranged at described car can be optionally a plurality of separate piece on the either side of its described guide rail that moves.

5. the system as claimed in claim 1, it is characterized in that, described elevator device comprises first, second guide rail that is arranged on the described car opposite side, and is arranged on the first pulley assembly on described car one side, and is arranged on the second pulley assembly on the opposite side of described car.

6. the system as claimed in claim 1 comprises the bob-weight with another pulley assembly, and described another pulley assembly has at least two can around the sheave segment of common axis rotation, have the interval between the sheave segment of described another pulley assembly.

7. system as claimed in claim 6 comprises the common axle of described two sheave segments that support described bob-weight.

8. system as claimed in claim 6 comprises the independent axes of described two sheave segments that support described bob-weight.

9. system as claimed in claim 6 comprises at least one the counter-weight bracket that supports the described guide rail that is used for described car and the guide rail that is used for described bob-weight.

10. the system as claimed in claim 1 is characterized in that, described pulley assembly is installed on the bottom of described car.

11. the system as claimed in claim 1 is characterized in that, described pulley assembly is installed on the top of described car.

12. the system as claimed in claim 1 comprises being installed on described car and engaging to guide the guidance set of described car with described guide rail.