CN1512957A

CN1512957A - Elevator device

Info

Publication number: CN1512957A
Application number: CNA028113497A
Authority: CN
Inventors: 石井敏昭; 洋; 瀧川行洋
Original assignee: Mitsubishi Electric Corp
Current assignee: Mitsubishi Electric Corp
Priority date: 2002-03-15
Filing date: 2002-03-15
Publication date: 2004-07-14
Anticipated expiration: 2022-03-15
Also published as: JP4110097B2; EP1486449B1; KR100631476B1; KR20040019401A; EP1486449A4; JPWO2003078289A1; WO2003078289A1; DE60238644D1; CN1243659C; EP1486449A1

Abstract

An elevator device has, in an elevator shaft, a machine chamber disposed in a space that does not overlap two spaceS in which a cage rises and falls and an imaginary space difined by the cage extendedly moving in the direction of rise and fall, the machine chamber having a machine chamber floor projecting substantially horizontally from the wall surface of the elevator shaft, a moving means for a mainteniance person to transfer from the cage or building onto the machine chamber floor, an extension floor horizontally projectable from the machine chamber floor, the extension floor being movable back and forth between a receiving position where it does not project into the space where the cage rises and falls, nor into the imaginary space into which the cage is extendedly moved in the direction of rise and fall, and a projection position extended from the machine chamber floor so as to extend the machine chamber floor, the height from the machine chamber floor and extension floor to the calling of the elevator shaft being such as to allow the maintenance person to work.

Description

Lift appliance

Technical field

The present invention relates to be arranged at the Machine Room of the lift appliance in the lift well, particularly relate to can reduce to be provided with the space, the result is the lift appliance that can reduce lift well.

Background technology

Fig. 9 is the section-drawing of the lift well of the traditional lift appliance of expression.Cage 5 in the lift well 1 that vertical direction is extended along the above-below direction lifting.Be provided with Machine Room 2 in the lift well 1.In Machine Room 2, be provided with the winch 3 of cage lifter railway carriage or compartment 5 usefulness and the control panel 4 of this winch 3 of control.Package has not shown rope on the winch 3, and a side of this rope engages with cage 5, is used for the lifting of cage 5, and opposite side is connected with balance block 6.

In the past, comprised the height of lift well 1 of Machine Room 2 and the expenditure on construction that reduces Machine Room 2 with reduction and be its purpose, a kind of motion that Machine Room 2 is configured in lift well 1 inboard with the form of the Machine Room 2a shown in Fig. 9 dotted line was arranged.In the 2a of Machine Room, similarly be provided with winch 3a and control panel 4a.

But, in lift appliance, on top ceiling that the maintenance man climbs up cage 5 appears in regular meeting, carry out the situation of various maintenance activities.For this reason, require to have between the top ceiling of the top ceiling of cage 5 and lift well 1 space of institute's take the altitude.That is, from top ceiling to (or between obstacle from cage 5 to top) between the top ceiling of lift well 1 of the cage 5 that stops at the superiors must have fixed size (hereinafter referred to as built on stilts size).

Among the figure, the built on stilts H2 that is of a size of when the built on stilts H1 of being of a size of when Machine Room 2 is on the lift well 1, Machine Room 2a constitute state shown in the dotted line in lift well 1.Because H1 and H2 need roughly the same length actually, therefore,, can not reduce to comprise the overall height H3 of the lift well 1 of Machine Room even Machine Room 2a is arranged on separately in the lift well 1.

Again, in lift well 1, normally the Machine Room is arranged in the narrow space of cage 5 and lift well 1 wall, but the Machine Room must leave be used to keep in repair winch 3 and control panel 4 usefulness fixed ground area and service clearance thereof, if want to guarantee these spaces, then exist the problem that the Machine Room volume is big, hinder the space in the building effectively to utilize.

Again, also has a kind of directly motion of putting down in writing as No. 2593288 communiques of Japanese Patent Laid of configuration winch and control panel in lift well 1, but because of there not being the Machine Room, so the problem of the non-constant of operation when existing maintenance activity.

The present invention is exactly in order to solve above-mentioned problem, and its purpose is, is provided at the Machine Room can be set in lift well under the situation of the overall height that does not increase lift well, and can guarantee that the Machine Room has the lift appliance of sufficient working space.

Summary of the invention

Lift appliance of the present invention, in the lift well of elevator, has the Machine Room, this Machine Room is set at respect to the space in cage lifter railway carriage or compartment and cage and prolongs in imaginary space when mobile, the space that two spaces do not overlap along the lifting direction, and the Machine Room comprises: from the ground, Machine Room that lift well wall general horizontal direction is convexly equipped with; The maintenance man transfers to the mobile device that ground, Machine Room is used from cage or building; And be arranged to the expansion platform that can protrude from mechanical room floor general horizontal direction, the expansion platform is arranged in to be accommodated not to the space of cage lifter railway carriage or compartment lifting with cage and prolongs the projecting inward reception position in imaginary space when mobile along the lifting direction and make ground, Machine Room be stretched to the action of advancing and retreat between the salient position that prolongs shape from mechanical room floor, but will and expand platform to the height of the height between the lift well top ceiling as maintenance man's operation from mechanical room floor.

Again, upright being provided with falls the machine compartment wall that prevents usefulness on the ground-surface outer peripheral edges in Machine Room.

Again, ground, Machine Room is set on the beam between the inwall of hanging up in lift well.

Again, the expansion platform becomes the part of machine compartment wall on reception position, and the bottom swing is connected with ground, Machine Room freely and swings to the lifting space side of cage and become salient position.

Be provided with in expansion flat-bed outer peripheral edges and fall the expansion platform that prevents usefulness and fall and prevent wall again.

Protrude from the expansion platform of salient position by the steel rope support of hanging up between expansion platform and lift well again.

Again, the expansion platform is roughly square shape, and the swing of 1 limit is connected with ground, Machine Room freely, is respectively arranged with to expand platform and fall and prevent wall on other 3 limits, and the expansion platform of adjacency falls and prevents that wall and machine compartment wall from linking mutually.

And mobile device is that the top ceiling by cage moves to the ground-surface ladder in Machine Room.

The simple declaration of accompanying drawing

Fig. 1 is the section-drawing of the lift appliance of the embodiment of the invention 1.

Fig. 2 be along the II-II line of Fig. 1 to pseudosection.

Fig. 3 will be for expanding the longitudinal diagram that platform and expansion platform fall the lift appliance that prevents the wall deployed condition.

Fig. 4 will be for expanding the drawing in side sectional elevation that platform and expansion platform fall the lift appliance that prevents the wall deployed condition.

Fig. 5 for expression continue with the Machine Room deployed condition along the V-V line of Fig. 4 to pseudosection.

Fig. 6 for expression continue with the Machine Room deployed condition along the VI-VI line of Fig. 3 to pseudosection.

Fig. 7 is another routine longitudinal diagram of the lift appliance of the embodiment of the invention 2.

Fig. 8 is the drawing in side sectional elevation of the lift appliance of Fig. 7.

Fig. 9 is the section-drawing of the lift well of the traditional lift appliance of expression.

The specific embodiment

Fig. 1 is the section-drawing of lift appliance of the present invention.Fig. 2 be along the II-II line of Fig. 1 to pseudosection.Cage 5 lifting along the vertical direction in the lift well 1 that vertical direction is extended.Be provided with Machine Room 200 in the lift well 1.This Machine Room 200 be set at the space in cage lifter railway carriage or compartment 5 and cage 5 in the lifting direction prolongs the space that imaginary space is relative and two spaces do not overlap when mobile.That is, though to continue in imagination cage 5 be to move shown in the dotted line among Fig. 1 when the lifting direction moves, the Machine Room 200 of present embodiment is set at by in the space between face shown in this dotted line and the lift well wall.

Fig. 1 represents that cage 5 stops at the occasion of taking advantage of mouth 9 of the superiors.The cage 5 of present embodiment can continue shown in dotted line being moved upward actually.Yet, the invention is characterized in, be set at and the record along the lifting direction prolongs in the space that imaginary space is relative and two spaces do not overlap when mobile of the space in cage lifter railway carriage or compartment 5 and cage 5 as Machine Room 200, also comprise the horizontal lift appliance that cage 5 does not move to Machine Room 200.

The ground, Machine Room 201 of Machine Room 200 is arranged on the beam 202 between 2 walls of the subtend of hanging up in lift well 1.Ground, Machine Room 201 is arranged on the above-mentioned beam 202, can realize that winch 3 and control panel 4 must bear the strong structure of cage 5 and balance block 6 loads.

Fall the machine compartment wall 203 that prevents usefulness upright being provided with of the outer peripheral edges of the cage 5 on ground, Machine Room 201.Machine compartment wall 203 for example also can use the grid of being made by pipe the sort of simple in structure to substitute.The space that is surrounded by ground, Machine Room 201 and machine compartment wall 203 forms the Machine Room 200 of present embodiment.

In Machine Room 200, be provided with the winch 3 of cage lifter railway carriage or compartment 5 usefulness and the control panel 4 of this winch 3 of control.Volume is hung rope 7 on the winch 3, and the top ceiling of the back lift well 1 of Returning wheel 7 joints is connected under a side of rope 7 and the cage of cage 5, and the opposite side of rope 7 is connected with balance block 6.On ground, Machine Room 201, be equipped with 2 rope holes 205 that rope 7 connects.Between the top ceiling of ground, Machine Room 201 and cage 5, be linked with ladder 204, when being transferred to ground 201, Machine Room, use for the maintenance man as mobile device.Ladder 204 adopts dress to take from as structure, can hang up when needing.

By adopting the lift appliance of this structure, can make the following space S of top ceiling of the lift well 1 of cage 5 tops become the space of clear.Therefore, built on stilts size can obtain being arranged on the identical size H1 of occasion outside the lift well 1 with the Machine Room 2 of Fig. 9.Comprise the Machine Room lift well whole height basically only the height used of the terraced lifting of needs power supply get final product, so the height that compares in the past is low.

Fig. 3 will be for expanding the longitudinal diagram that platform and expansion platform fall the lift appliance that prevents the wall deployed condition.Fig. 4 will be for expanding the drawing in side sectional elevation that platform and expansion platform fall the lift appliance that prevents the wall deployed condition.Machine Room 200 has is arranged to the expansion platform 208 that can protrude from mechanical room floor 201 general horizontal direction.Expansion platform 208 is arranged to and can be extended into the action of advancing and retreat between the salient position that prolongs from mechanical room floor 201 with making ground, Machine Room 201 being accommodated not the projecting inward reception position in imaginary space that prolongs along the lifting direction when mobile to the space in cage lifter railway carriage or compartment 5 and cage, but from mechanical room floor 201 and expand platform 208 to the abundant height of the height between the top ceiling of lift well 1 as maintenance man's operation.

The structure of extendible Machine Room 200 is described according to maintenance man's sequence of events below.Fig. 5 for expression continue with the Machine Room deployed condition along the V-V line of Fig. 4 to pseudosection.Fig. 6 for expression continue with the Machine Room deployed condition along the VI-VI line of Fig. 3 to pseudosection.Fig. 5 (a) and Fig. 6 (b) expression expansion platform 208 are in the state of reception position.Expansion platform 208 becomes the part of wall 203 on reception position, the bottom is connected the lifting space side of also swinging to cage 5 freely by hinge 209 swings the general horizontal direction shape with ground, Machine Room 201 become salient position.Fig. 5 (d) and Fig. 6 (d) expression expansion platform 208 are in the state of salient position.

At first, the maintenance man uses ladder 204 to climb up Machine Room 200 from the top ceiling of cage 5.With steel rope 207 hook 206 is connected (Fig. 5 (a)) with expansion platform 208.Secondly, with the salient position of expansion platform 208 overturnings in the lifting space of cage 5 side.Protrusion the expansion platform 208 on the salient position by hang up and lift well 1 between steel rope 207 support and form horizontality (Fig. 5 (b)).

Then, maintenance man's the 1st expansion platform that will be arranged at the lifting space side of cage 5 falls and prevents that wall 210 from erecting.The 1st expansion platform falls the bottom that prevents wall 210 and is connected with the outer peripheral edges of expansion platform 208 freely by hinge 212 swings, can be folded when taking in, and it can be erected ((c) of Fig. 5, (c) of Fig. 6) during maintenance activity.

The maintenance man falls 2 the 2nd expansion platforms that are arranged at the both side edges portion of expansion platform 208 respectively and prevents that wall 211 from erecting.The 2nd expansion platform falls and prevents that wall 211 and the 1st expansion platform from falling and prevent that wall 210 is the same and be connected with the lateral margin of expanding platform 208 freely by the hinge swing, can be folded when taking in, and it can be erected ((d) of Fig. 5, (d) of Fig. 6) during maintenance activity.

At last, the maintenance man uses and links accessory 213 and respectively the 1st expansion platform is fallen and prevent that wall the 210, the 2nd expansion platform from falling and prevent that wall 211 and wall 203 from linking and make it stable.Linking accessory 213 is accessories of コ word shape, and not shown the inserting in the hole of being located at the upper corner of the adjacent wall of 2 parallel portion by insertion links.In the present embodiment, the 1st expansion platform falls and prevents that wall 210 and the 2nd expansion platform from falling and prevent that wall 211 from being tabular strong, but for example also can use the barrier of being made by pipe the sort of simple in structure to substitute.

The lift appliance of this structure in the lift well 1 of elevator, have be arranged on along on the lifting direction of cage 5 with space that cage 5 does not overlap in Machine Room 200, Machine Room 200 comprises: from the ground, Machine Room 201 that lift well 1 wall general horizontal direction is convexly equipped with; The maintenance man transfers to the ladder 204 of ground, Machine Room 201 usefulness from cage 5; And be arranged to the expansion platform 208 that can protrude from mechanical room floor 201 general horizontal direction, expansion platform 208 is not arranged on the lifting direction that is accommodated cage and prolongs the shape ground from the action of advancing and retreat between the salient position of mechanical room floor 201 stretching, extensions to the projecting inward reception position in the space that overlaps with cage 5 with making ground, Machine Room 201, but from mechanical room floor 201 and expand platform 208 to the height of the height between lift well 1 top ceiling as maintenance man's operation.Thus, can under the situation that does not increase lift well 1 overall height, Machine Room 200 be arranged in the lift well 1, and can fully guarantee working space in the Machine Room 200.

In addition, in the present embodiment, mobile device is to hang over the top ceiling of cage 5 and the ladder 204 between the ground, Machine Room 201, but mobile device is not limited to ladder 204, for example also can be arranged in the lift well 1 from exterior inlet etc.

Embodiment 2

Fig. 7 is another routine longitudinal diagram of the lift appliance of the embodiment of the invention 2.Fig. 8 is the drawing in side sectional elevation of the lift appliance of Fig. 7.Embodiment 1 is arranged on example in the Machine Room 200 with winch 3, but the configuration of winch is not limited to this, as shown in Figure 7 and Figure 8, also applicable to the size of winch 3a big and from the Machine Room the 200 the sort of structures of exposing.Present embodiment is the topmost that winch 3a is configured in Machine Room 200, and prolongs the space coincidence that moves with cage 5.Therefore, the built on stilts size of this moment becomes obstacle because of winch 3a, so formed H4 to winch 3a bottom.Other structure is identical with embodiment 1.The overall height of the lift well 1 of present embodiment has just exceeded the size of winch 3a than embodiment 1, but can obtain the effect identical with embodiment 1 basically.

Utilizability on the industry

Lift appliance of the present invention has the Machine Room in the lift well of elevator, this Machine Room be arranged on The space in elevator railway carriage or compartment and cage along the lifting direction prolong when mobile imaginary space relatively and two In the space that the space does not overlap, the Machine Room comprises: from the Machine Room that lift well wall general horizontal direction is convexly equipped with Ground; The maintenance man transfers to the mobile device that ground, Machine Room is used from cage or building; And arrange The expansion platform that one-tenth can protrude from mechanical room floor general horizontal direction, the expansion platform is provided in and is accommodated Not to the space in elevator railway carriage or compartment and cage projecting inward along the imaginary space that the lifting direction prolongs when mobile Reception position and ground, Machine Room is extended between mechanical room floor prolongs the salient position of shape carry out The advance and retreat action can as the maintenance man from mechanical room floor and expansion platform to the height between the lift well ceiling The height of operation. Thus, can in the situation that does not increase the lift well overall height, the Machine Room be arranged in the lift well, And can fully guarantee working space in the Machine Room.

Fall the machine compartment wall that prevents usefulness vertical being provided with of the outer peripheral edges on ground, Machine Room again. Thus, not only But maintenance man's safety work, and instrument etc. can not fall in the lift well, can improve security.

Again, ground, Machine Room is arranged on the beam between the inwall of hanging up in lift well. Thus, hoist engine Can form the reinforcing structure of the load that can bear cage and balance weight with control panel.

Again, the expansion platform becomes the part of machine compartment wall at reception position, the bottom swing freely with Ground, Machine Room connects and swings to the lifting space side of cage and become salient position. Thus, expansion platform In the situation that does not hinder other space, can successfully take in, can improve operation.

Be provided with in the outer peripheral edges of expansion platform and fall the expansion platform that prevents usefulness and fall and prevent wall again. Thus, But not only maintenance man's safety work, and instrument etc. can not fall in the lift well, can improve security.

Protrude from the expansion platform of salient position by the steel wire rope of hanging up between expansion platform and lift well again, Support. Thus, not only available simple structure will be expanded platform and support securely, and can be in little space Realize supporting structure.

Again, the expansion platform is roughly square shape, and 1 limit swing is connected with ground, Machine Room freely, other 3 Be respectively arranged with the expansion platform on the bar limit and fall and prevent wall, the expansion platform of adjacency falls and prevents wall and Machine Room Wall links mutually. Thus, can be stably the expansion platform be fallen and prevent that wall from fixing, can improve security.

And mobile device is the ladder that moves to ground, Machine Room by the ceiling of cage. Thus, Available simple structure consists of mobile device, can reduce cost.

Claims

1. a lift appliance has the Machine Room in the lift well of elevator, this Machine Room be set at the space in cage lifter railway carriage or compartment and cage in the lifting direction prolongs the space that imaginary space is relative and described two spaces do not overlap when mobile, it is characterized in that,

Described Machine Room comprises:

From the ground, Machine Room that described lift well wall general horizontal direction is convexly equipped with;

The maintenance man transfers to the mobile device that ground, described Machine Room is used from described cage or building; And

Be arranged to the expansion platform that can protrude from ground, described Machine Room general horizontal direction,

Described expansion platform is arranged in to be accommodated not to the space of cage lifter railway carriage or compartment lifting and cage and prolongs the projecting inward reception position in imaginary space when mobile along the lifting direction and make ground, Machine Room be stretched to the action of advancing and retreat between the salient position that prolongs shape from mechanical room floor

But will be from ground, described Machine Room and described expansion platform to the height of the height between the described lift well top ceiling as maintenance man's operation.

2. lift appliance as claimed in claim 1 is characterized in that, upright being provided with falls the machine compartment wall that prevents usefulness on the ground-surface outer peripheral edges in described Machine Room.

3. lift appliance as claimed in claim 1 or 2 is characterized in that, ground, described Machine Room is arranged on the beam between the inwall of hanging up in described lift well.

4. as each described lift appliance of claim 1 to 3, it is characterized in that, described expansion platform becomes the part of described machine compartment wall at described reception position, and the bottom swing is connected with ground, described Machine Room freely and swings to the lifting space side of described cage and become described salient position.

5. as each described lift appliance of claim 1 to 4, it is characterized in that, be provided with in described expansion flat-bed outer peripheral edges and fall the expansion platform that prevents usefulness and fall and prevent wall.

6. as each described lift appliance of claim 1 to 5, it is characterized in that the described expansion platform that protrudes from described salient position is by the steel rope support of hanging up between described expansion platform and described lift well.

7. lift appliance as claimed in claim 5, it is characterized in that, described expansion platform is roughly square shape, article 1, the limit swing is connected with ground, described Machine Room freely, be respectively arranged with described expansion platform and fall and prevent wall on other 3 limits, the described expansion platform of adjacency falls and prevents that wall and described machine compartment wall from linking mutually.

8. as each described lift appliance of claim 1 to 7, it is characterized in that described mobile device is that the top ceiling by described cage moves to the ground-surface ladder in described Machine Room.