CN1329273C - Elevator system with overhead drive motor - Google Patents
Elevator system with overhead drive motor Download PDFInfo
- Publication number
- CN1329273C CN1329273C CNB998033642A CN99803364A CN1329273C CN 1329273 C CN1329273 C CN 1329273C CN B998033642 A CNB998033642 A CN B998033642A CN 99803364 A CN99803364 A CN 99803364A CN 1329273 C CN1329273 C CN 1329273C
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- pulley
- elevator
- lift car
- hoistway
- counterweight
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/0065—Roping
- B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/0035—Arrangement of driving gear, e.g. location or support
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/12—Counterpoises
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
- B66B7/023—Mounting means therefor
- B66B7/027—Mounting means therefor for mounting auxiliary devices
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
An elevator system includes a hoistway defined in a surrounding structure, and an elevator car and at least one counterweight disposed in the hoistway. The hoistway defines an overhead space over a vertical extent of the hoistway between a ceiling of the hoistway and a top portion of the elevator car at its highest operable location along the hoistway. At least one drive motor is disposed in the overhead space and drivingly couples and suspends the elevator car via at least one flat rope or belt.
Description
Technical field that the present invention belongs to
The present invention relates to a kind of elevator device, particularly relate to a kind of like this elevator device, it is interior on a top, horizontal position between lift car and the hoistway top board that promptly its drive motor is set at hoistway.
Background of invention
For elevator, significantly cost comprises the construction of machine room.The expense of the required member of weight that this expense comprises the expense of building machine room, support this machine room and lift facility and blocked the expense " method at sunshine " of Japan and other place (for example) that contiguous thing carries out daylighting.
The purpose of this invention is to provide a kind of elevator device that does not have machine room, it has avoided the existing above-mentioned defective of existing elevator device.
Another object of the present invention is to adopt flat ropes or belt, to reduce the being in conventional drive motor of well headroom or the size of flat drive motor, reduces whole dimension therefrom, and reduces hoistway structure expense.
Summary of the invention
A kind of elevator device comprises: a hoistway that limits by surrounding structure, and a lift car, and at least one is arranged on the counterweight in the hoistway.This hoistway is defining a head room that forms along hoistway between the top of hoistway top board and lift car when lift car is on its highest operating position on the vertical bearing of trend of hoistway.At least one drive motor is placed in this head room, and this drive motor connects and the suspension lift car by at least one flat ropes or belt drive.
An advantage of the invention is, avoided the construction machine room, thereby significantly reduced the expense that elevator is installed and made up.
Second advantage of the present invention be, adopts flat ropes or belt, reduced the size of traditional or flat drive motor, thus the space that has reduced to hold drive motor at the top of hoistway.
The 3rd advantage of the present invention is that a plurality of interchangeable drive motor position is provided in head room.
With reference to specification sheets and accompanying drawing, other advantage will embody more significantly.
Brief description of drawings
Fig. 1 is the schematic schematic partial front perspective view of the elevator device of the drive motor with the head room that is positioned at hoistway of the present invention.
Fig. 2 is the schematic schematic partial front perspective view of elevator device shown in Figure 1.
Fig. 3 is the schematic schematic partial front perspective view that has adopted the elevator device of synchronous driving motor in the second embodiment of the invention.
Fig. 4 is the schematic partial side view of the elevator device with 2: 1 rope layouts in the third embodiment of the invention.
Fig. 5 is the schematic partial perspective view of the underslung elevator device in the fourth embodiment of the invention.
Fig. 6 is the schematic partial perspective view of the underslung elevator device in the fifth embodiment of the invention.
Fig. 7 is the schematic partial view of the rope layout of the underslung elevator device in the expression sixth embodiment of the invention.
Fig. 8 is the schematic partial perspective view of elevator device shown in Figure 7.
Fig. 9 is the schematic partial perspective view of the underslung elevator device in the seventh embodiment of the invention.
Figure 10 is the side cross-sectional view of a hauling block and many flat ropes, has many heart yearns in the every rope.
Figure 11 is the cross sectional view of one of flat ropes.
Detailed description of preferred embodiment
Referring to Fig. 1 and Fig. 2, in specific embodiments of the invention, generally come the indicating elevator system with label 10.This elevator device 10 comprises a hoistway 12 that is limited by the surrounding structure of building.A lift car 14 is positioned at hoistway 12, is used for carrying out up-and-down movement along hoistway.First and second support columns 16 and the 18 vertical bearing of trends along the hoistway 12 relevant with the operation of lift car extend, and are separately positioned on two opposed sidewall 20,22 position adjacent with lift car 14.Each root support column in first and second support columns 16 and 18 has formed a hollow interior space or groove, in order to hold relevant counterweight 24 (only showing among the figure), makes counterweight 24 carry out vertically moving along the support column that is associated.As depicted in figs. 1 and 2, cantilever 26,26 stretches out forward from first support column 16 and second support column 18, on the front side wall 28 that is installed to hoistway 12.
Supporting member 30 install and between first support column 16 and second support column 18 horizontal-extending, and in the head room 32 of hoistway 12; The head room 32 of described hoistway 12 is when lift car 14 is on its highest operating position, a space of being defined by the vertical length or the extension " V " of hoistway that form, that be positioned at hoistway between the top of the top ceiling 34 of hoistway and lift car or top ceiling 36.In head room 32, drive motor 38 is installed on the supporting member 30, and as shown in Figure 1, this drive motor 38 is positioned at the top of the top board 36 of lift car 14 substantially.First drive pulley, 40 driving coupling and are positioned at the top of first support column 16 to drive motor 38.Driving coupling is to drive motor 38 by a long axle drive shaft 44 for second drive pulley 42, and second drive pulley 42 is positioned at the top of second support column 18.The first flat flexible rope or belt 46 have first end 48 on the top of counterweight of being connected to 24 and are connected to second end, 50 (see figure 1)s on the sidewall 20 of lift car 14, and described counterweight 24 is positioned at first support column 16.Flat ropes 46 extends upward, curves 180 °, extends downwards then and end at its second end 50 on the downside 52 of lift car 14 around first drive pulley 40 from its first end 48.Second flat ropes 54 similarly is disposed on second drive pulley 42 and links up with lift car 14 with the counterweight 24 that will be positioned at second support column 18, forms the double cable layout therefrom.
With respect to the drive motor and the pulley that use traditional circular rope, adopt flat ropes or belt just can drive and hang lift car and counterweight load with less drive motor and pulley.Since rope through the diameter that caters to pulley repeatedly and crooked with stretch after can produce fatigue, so the diameter of the drive pulley of using on the elevator that has traditional circular rope is restricted to 40 times of rope diameter or bigger.Flat ropes or belt have the size ratio greater than 1, said here size than the ratio of the width w that is defined as rope or belt and thickness t (generous size than=w/t).Therefore flat ropes or belt are pulled outwardly and stretch and approach originally with respect to traditional circular rope.Because rope approaches, so when this rope or belt were walked around the pulley of a given diameter, intrastitial flexure stress was less.So just can use hauling block than minor diameter.Torque is directly proportional with the diameter of hauling block.Therefore, use the torque that can reduce motor than the hauling block of minor diameter.The size of motor (volume of rotor) roughly is directly proportional with torque, therefore, though the size of mechanical horsepower output and pulley has nothing to do and remains unchanged, but with respect to the elevator device that uses traditional circular rope, flat ropes or belt make this system can use the drive motor of smaller size smaller to come with higher speed operation.Therefore, less traditional flat drive motor can be placed in the head room of hoistway, and this has reduced the size of head room and the expense of its construction significantly.
In a word, the size (that is the size of drive motor and pulley) that reduces equipment has many advantages.At first, when equipment was placed on the top of lift car, small device had reduced the demand to head room.This makes building structurally can have flat roof, reduces the fabrication cost of building therefrom, and meets the method at sunshine.The second, the used material of skinny device is few, thereby its manufacturing cost is lower with respect to bigger equipment.The 3rd, skinny device in light weight, this has just reduced the time that is used for treatment facility, and has reduced and be used for the equipment lifting needed device that puts in place, thereby has reduced erected cost significantly.The 4th, low torque and the high-speed characteristic system that makes can save expensive gear.Furtherly, gear can cause vibration and noise, and need be lubricated maintenance.The equipment that has gear also is operable, but the present invention is useful especially for gearless equipment.
With respect to circular rope, the load distribution that flat ropes or belt also make elevator and counterweight on the pulley than large tracts of land on, to reduce the specific pressure on the rope, this has just prolonged the service life of rope.Again furtherly, flat ropes or belt can be made by the material with high towability, for example urethanes or have fiber or the rubber sheath of reinforcing bar.
Fig. 3 has schematically shown elevator device 100, and this elevator device 100 is similar to the elevator device 10 shown in Fig. 1 and Fig. 2, but the mode of operation of the drive motor of elevator device 100 is different, and has saved supporting member 30.As shown in Figure 3, first and second drive motor 102,104 and first and second drive pulley 106,108 that are associated are supported in respectively on first and second support columns 16,18.A synchronous device, for example controller makes 106,108 rotations synchronized with each other of first and second drive pulley.
Fig. 4 schematically shows a kind of elevator device 200 with rope layout of 2: 1, rope whenever moves the distance of a unit around drive pulley, lift car moves the distance of half unit), this elevator device can be used as the remodeling of the elevator device among Fig. 1-3 is used.The member identical with previous embodiment represented with identical label.Because at the rope distribution element of lift car 14 each side all is the same, thus in the drawings a pair of identical rope structure and element will only be shown, and with respect to the explanation that makes an explanation of a side of lift car.
The effect of rope ratiometric is similar to gear.For a given diameter, 2: 1 rope layout will make the torque of motor reduce 1/2nd, make the speed of motor increase by 1/2nd simultaneously.So just can use less motor, because to a limiting factor of motor be, torque it and speed are opposed.Another advantage of above-mentioned this 2: 1 rope layout is the load that has reduced sheave shaft, promptly is applied to diametral load on the drive motor from rope.By adopting littler bearing, so reduced motor size.The radial load that removes from drive pulley is by the hitch point carrying of rope.In the rope layout of 1: 1 or 2: 1, the rope total amount of use is roughly the same.The length of rope approximately is the twice of rope lengths in 1: 1 the rope layout in 2: 1 the rope layout.But the rope in 2: 1 the rope layout has carried the load of half, thereby can have small cross section or have less rope amount.For the rope layout with a greater number, for example 4: 1 rope layout has above-mentioned advantage too.
As shown in Figure 4, elevator device 200 comprises that one is installed in the deflection sheave 202 on support column 16 tops, and these deflection sheave 202 residing positions and drive motor 204 and drive pulley thereof 206 are adjacent and be positioned at the below of drive motor 204 and drive pulley 206 thereof.One counterweight pulley 208 links with the top of counterweight 210, and an elevator pulley 212 links with the bottom side of lift car 14.First end 216 of flat ropes 214 and second end 218 link with the top of hoistway, preferably are connected in the top of support column 16.Flat ropes 214 is extended downwards from its first end 216, after turning over 180 °, elevator pulley 212 extends upward, change certain radian slightly around deflection sheave 202 then, turn over 180 ° around drive pulley 206 again, then extend downwards and turn over 180 ° around counterweight pulley 208, extend upward then, stop at its second end 218.
Fig. 5 to Fig. 9 shows other embodiment of elevator device that its drive motor of the present invention is placed in the head room of hoistway.The rope layout that these embodiment adopted is from below suspention lift car (seeing Fig. 5-8) or from top suspention lift car (see figure 9), and has adopted traditional T type guide rail, rather than the support column of the hollow shown in Fig. 1-4.
Rope layout that hangs from the below shown in Fig. 5-8 and the double cable layout shown in Fig. 1-4 all are to promote lift car from the bottom, and relative center of gravity symmetry, thereby lift car is a balance.The lift car of balance has reduced the load on the elevator slideway, thereby has formed good running quality.These layouts all need the top of lift car be provided with from above hang the member of usefulness, thereby head room is dwindled.The rope layout that hangs from the below only needs counterweight in a side of lift car, has so just saved gap between lift car or hoistway and the counterweight in a side of hoistway.This just makes the lift car that hangs from the below can use less hoistway.On the other hand, with regard to 1: 1 rope layout, the double cable layout was used less pulley, thereby vibration and noise are all little than the system that hangs from the below.
Fig. 5 schematically shows the elevator device 400 that adopts the rope layout of the lift car 14 that hangs from the below among the present invention.This elevator device 400 comprises a drive motor 402 and the drive pulley 404 that is associated, described drive motor 402 and drive pulley 404 are arranged in the head room of hoistway 12, and collimate along the vertical extending part of hoistway between the sidewall 420 of lift car 14 and hoistway.Have elevator pulley 406,406 (only illustrating among the figure) on this lift car 14, described elevator pulley 406 links with the downside of lift car on two sides respect to one another of lift car.Counterweight 410 and the counterweight pulley 412 that is connected to the counterweight top are arranged in the position of vertical extension of hoistway 12 and between lift car 14 and adjacent with it hoistway wall 420, counterweight 410 and counterweight pulley 412 are positioned at the below of drive motor 402.First end 416 and second end 418 of flat ropes or belt 414 are fixed in the top of hoistway 12, for example are fixed on the top board or sidewall of hoistway 12.Flat rope 414 extends downwards, turns over 180 ° around counterweight pulley 412 from its first end 416, extend upward then and turn over 180 ° around drive pulley 404, then extend downwards and hang lift car 14 by elevator pulley 406,406 and from the below, extend upward then, stop at its second end 418.
As can seeing from Fig. 5, the orientation of the rotation axis of drive motor 402 is the sidewall 420-426 bevels with respect to hoistway 12.The orientation of drive motor 402 makes drive pulley 404 reach one vertically to extend and be placed with in the space of counterweight 410 along hoistway 12 between the sidewall 420 of the sidewall 428 of lift car 14 and hoistway, thereby just no longer needs with deflection sheave flat ropes or belt 414 to be directed to the space of above-mentioned vertical extension to connect counterweight 410 from drive pulley 404.Less pulley can make that cost reduces, behaviour in service improves, because the member that operational failure may occur seldom.
The elevator device 600 that Fig. 6 represents comprises a drive motor 602 and the drive pulley 604 that is associated, described drive motor 602 and the drive pulley 604 whole tops that are arranged on the top board 36 of lift car 14, and be positioned at the head room of hoistway 12.First and second deflection sheavies 606,608 be arranged on the head room of hoistway 12 and between the sidewall 610 of lift car 14 and hoistway along in the spaces that hoistway 12 vertically extends.First and second deflection sheavies 606,608 synergy is directed to flat rope or belt 612 on the drive pulley 604 and to returning from this space of vertically extending and directs in the space of counterweight 614 residing vertical extensions.Compare with system shown in Figure 5 400,600 pairs of drive motor of system shown in Figure 6 provide bigger space.Drive motor shown in Figure 5 may need added space when being not suitable for.
Fig. 7 and Fig. 8 represent to adopt the schematic lateral plan and the front perspective view of simplification of elevator device 900 of 4: 1 rope layout respectively, so-called 4: 1 rope layout is meant that lift car whenever moves the distance of a unit, and rope moves the distance of four units on drive pulley.For representing this rope layout better, not shown lift car in Fig. 7.
The lift car 14 that is positioned at hoistway 12 has first and second elevator pulleys 902,904, and described elevator pulley 902,904 is connected in the below of lift car and is positioned at lift car both sides respect to one another.Third and fourth elevator pulley 906,908 also is connected in the below of lift car 14 and is positioned at lift car both sides respect to one another.As Fig. 8 clearly the expression, first and second elevator pulleys 902,904 are positioned at lift car 14 opposed both sides with respect to third and fourth elevator pulley 906,908.The counterweight 910 that is positioned at hoistway 12 has the first and second counterweight pulleys 912,914 that are connected to the counterweight top.
What Fig. 9 represented is the elevator device 1000 that has adopted first and second elevator pulleys 1002,1004, and described first and second elevator pulleys 1002,1004 are connected to (rope that promptly hangs from the top is arranged) on the top board 36 of lift car 14 in lift car both sides respect to one another.Drive motor 1006 and drive pulley associated therewith 1008 are arranged on the head room of hoistway 12 and are positioned at the top of the top board 36 of lift car 14.Deflection sheave 1010 is set at the head room of hoistway 12 and puts in one and vertically extends and be placed with in the space of counterweight 1014 and counterweight pulley 1016 along hoistway 12 between the sidewall 1012 of lift car 14 and hoistway.First end 1020 of flat ropes or belt 1018 and second end 1022 are connected in the top of hoistway 12.Flat ropes 1018 is extended downwards from its first end 1020, roughly turn over 180 ° around counterweight pulley 1016, extend upward then and turn over a radian a little around deflection sheave 1010, then roughly turn over 180 ° around drive pulley 1008, extend downwards then and turn over roughly 90 ° around first elevator pulley 1002, along continuous straight runs extends then, and turns over roughly 90 ° around second elevator pulley 1004, extend upward then, and end at its second end 1022.
This rope that hangs from the top is arranged and is easy to pulley and rope are keeped in repair and install.If rope layout shown in Figure 9 is rotated 90 °, then can use a kind of wide lift car that has counterweight at the rear portion.Have at the rear portion under the situation of counterweight, can not use the rope layout that hangs from the below, this is because rope will pass through or other many deflection sheavies of process from the place ahead of elevator door, and undesirable rope twisted phenomena occurs.
Principal character of the present invention is to have used flat ropes in above-mentioned elevator device.The increase of size ratio causes rope to have an active flank that is limited by width " W ", and this makes the distribution of rope pressure be optimized.Therefore, the maximum rope pressure in the rope can reach minimum.In addition, green phase increases above-mentioned size than (the size ratio of circular rope equals 1) for circular rope, and the thickness of flat ropes " t1 " (seeing Figure 11) can reduce, and keeps being used in the rope supporting the constant cross-section area at the rope position of tensile load simultaneously.
Shown in Figure 10 and 11, flat ropes 722 comprises a plurality of independent bearing core wires 726, and these heart yearns are enclosed in the same overplate 728.Overplate 728 separates each heart yearn 726 and has determined to be used for and hauling block 724 ingear mating surfaces 730.Bearing core wires 726 can be made by high-intensity lightweight non-metallic material, and for example aramid fibre is perhaps made by metallic material, for example thin high-carbon steel fiber.Very expectation makes the thickness " d " of heart yearn 726 as far as possible little, to increase alerting ability and to reduce the stress of heart yearn 726.In addition, for the heart yearn of being made by steel fiber, fibre diameter should be less than 0.25 millimeter, and preferably diameter is in about 0.10 millimeter to 0.20 millimeter scope.Steel fiber with this diameter can improve the alerting ability of heart yearn and rope.The heart yearn of making by the material that will have this weight, intensity, life-span, especially above-mentioned alerting ability characteristic is in flat ropes, and traction sheave diameter " D " can reduce, and still can remain in the maximum rope pressure that can accept in the limit simultaneously.
Mating surface 730 contacts with the corresponding surface 750 of hauling block 724.Overplate 728 is by the polyurethane material, preferably thermoplastics type's amido ethyl formate is made, many heart yearns 726 are extruded and be installed with to this material in the following manner, and promptly each independent heart yearn 726 all is carried out restriction and can not be along the longitudinal movement with respect to other heart yearns 726.For overplate, if there is other materials to be enough to satisfy tectal required function, promptly draw, wear and tear, to the load of heart yearn transmitting tractive and overcome environmental factor etc., also can adopt these materials.Should be understood that,,, then adopt flat ropes and the favourable aspect that has will reduce if they can not satisfy or surpass the mechanical characteristics of thermoplastics type's amido ethyl formate although can adopt other materials for overplate.According to the mechanical characteristics of thermoplastics type's amido ethyl formate, the diameter of hauling block 724 can be reduced to 100 millimeters or littler.
The result of structure flat ropes 722 is like this, and rope pressure can distribute more equably by rope 722.Because many little heart yearns 726 in flat ropes resilient coating 728, are then compared with the rope of prior art, the pressure on every heart yearn 726 has obviously reduced.Heart yearn pressure is reduced by at least n
-1/2, wherein n is for giving fixed load and steel wire cross-sectional area, the number of parallel heart yearn in the flat ropes.Therefore, compare with the traditional rope elevator with less load-carrying capacity, maximum rope pressure has obviously reduced in the flat ropes.In addition, for identical load-carrying capacity, effectively rope diameter ' d ' (measuring at bending direction) has reduced, and is not reducing under the D/d ratiometric situation, and diameter of pulley ' D ' is kept than fractional value.In addition owing to reduced diameter of pulley D, just can adopt at a low price with more compact high-speed electric expreess locomotive as driving host.
Figure 10 has also represented the sort of hauling block with traction surface 750 724 that is configured to hold flat ropes 722.Mating surface 750 be constructed to be permeable to provide tractive force and guide flat ropes 722 and pulley 724 between the complementary type of engagement.Hauling block 724 comprises a pair of flange 744 and the one or more dividing plate 745 that is arranged between the adjacent flat rope that is arranged on pulley 724 both sides.Hauling block 724 also comprises the lining 742 that is contained between flange 744 and the dividing plate 745.Lining 742 defines mating surface 750, makes to form lateral clearance 754 between the both sides of flat ropes 722 and lining 742.Double-type flange 744 and dividing plate are realized function that flat ropes 722 is guided with lining, produce tangible inconsistent phenomenon to prevent rope under the state lax the grade.Although graphic display unit comprises lining, should be understood that, also can adopt the not hauling block of belt material cover.
Though according to embodiments of the invention the present invention is illustrated and describes, but those skilled in the art should be known in change, omission and the increase that can make other under the situation that does not break away from the spirit and scope of the present invention in form and details.Therefore, the present invention represented and that describe represents in the mode of example among each embodiment, rather than limitation of the present invention.
Claims (15)
1. elevator device comprises:
A hoistway that limits by surrounding structure;
A lift car is arranged on the interior counterweight of hoistway with at least one, and this hoistway is defining a head room that forms along hoistway between the top of hoistway top board and lift car when lift car is on its highest operating position on the vertical bearing of trend of hoistway;
At least one is arranged at the drive motor in the head room, and this drive motor connects drivingly by at least one flat ropes and hangs lift car.
2. elevator device as claimed in claim 1, also comprise first and second support columns, each support column vertically partly and vertically extends along the hoistway that is associated with the operation of lift car, described first and second support columns are positioned on two sidewall position adjacent of putting toward each other with lift car, and wherein drive motor is installed at least one support column in first and second support columns.
3. elevator device as claimed in claim 2 is characterized in that, first and second support columns are hollow basically, and above-mentioned counterweight has two, comprises first and second counterweights that are separately positioned in first and second support columns.
4. elevator device as claimed in claim 3, it is characterized in that, comprise that also one is being extended between first and second supporting members and is being installed on first and second supporting members supporting member in order to the supporting drive motor along the direction of level substantially at above-mentioned head room, first and second drive pulley be connected on the drive motor rotationally and in described head room, lay respectively at the first and second support column position adjacent on, wherein this at least one flat ropes comprises and being meshed with first and second drive pulley respectively respectively first and second counterweights are connected to first and second flat ropes on the lift car.
5. elevator device as claimed in claim 3 also comprises: one is being extended between first and second support columns and is being installed on first and second support columns supporting member in order to the supporting drive motor along the direction of level substantially at above-mentioned head room; First and second drive pulley, they described head room lay respectively at the first and second support column position adjacent on; Be used for drive motor is connected to device on first and second drive pulley rotationally; First and second deflection sheavies, they are positioned at the head room of hoistway; The first and second counterweight pulleys, they are connected to the top of first and second counterweights respectively; First and second elevator pulleys, they are connected on the lift car; And this at least one flat ropes comprises first and second flat ropes, first and second flat ropes have first end that is fixed in the well headroom space, first and second ropes extend downwards and turn round around the first and second counterweight pulleys respectively from first end, extend upward then and turn round around first and second drive pulley respectively, extend downwards by first and second deflection sheavies respectively then, turn round and extend upward around first and second elevator pulleys respectively then, end at second end that is fixed in the well headroom space again.
6. elevator device as claimed in claim 5 is characterized in that, first end of first and second flat ropes is connected to respectively on first and second support columns, and second end of first and second flat ropes is connected to respectively on first and second support columns.
7. elevator device as claimed in claim 3, it is characterized in that, this at least one drive motor is included in first and second drive pulley that are bearing in first and second drive motor on first and second support columns in the head room respectively and are associated, this at least one flat ropes comprise respectively with the engagement of first and second drive pulley respectively first and second counterweights are connected to first and second flat ropes on the lift car, also comprise the device that is used to make the rotation synchronized with each other of first and second drive pulley.
8. elevator device as claimed in claim 7 is characterized in that, described synchronous device comprises a controller.
9. elevator device as claimed in claim 3, it is characterized in that, this at least one drive motor is included in first and second drive pulley that are bearing in first and second drive motor on first and second support columns in the head room respectively and are associated, and also comprises: the device that is used to make the rotation synchronized with each other of first and second drive pulley; First and second deflection sheavies, they are positioned at the head room of hoistway; The first and second counterweight pulleys, they are connected to the top of first and second counterweights respectively; First and second elevator pulleys, they are connected on the lift car; And this at least one flat ropes comprises first and second flat ropes, each flat rope has first end in the head room that is fixed on hoistway, rope extends downwards and around separately counterweight pulley revolution from first end, extend upward then and turn round around drive pulley separately, pass through separately deflection sheave and extension downwards then, around the revolution of separately elevator pulley and extend upward, end at second end that is fixed in the well headroom space more again.
10. elevator device as claimed in claim 9 is characterized in that, first end of first and second flat ropes is connected to respectively on first and second support columns, and second end of first and second flat ropes is connected to respectively on first and second support columns.
11. elevator device as claimed in claim 9 is characterized in that, described synchronous device comprises a controller.
12. elevator device as claimed in claim 1, it is characterized in that, also comprise a drive pulley that is connected to drivingly on the drive motor, a counterweight pulley that is connected to the counterweight top, be connected to the elevator pulley of lift car bottom side with at least one, flat ropes has first and second ends, each end all is fixed in the head room of hoistway, this flat ropes is extended downwards from its first end, walks around the counterweight pulley and extends upward, and walks around the drive pulley revolution then, extend downwards again, and by this at least one elevator pulley and from below suspension lift car, and then extend upward, end at its second end again.
13. elevator device as claimed in claim 1, it is characterized in that, also comprise a drive pulley that is connected to drivingly on the drive motor, a counterweight pulley that is connected to the counterweight top, be connected to the elevator pulley of elevator car roof with at least one, this flat ropes has first and second ends, each end all is fixed in the head room of hoistway, this flat ropes is extended downwards from its first end, extends upward around the counterweight pulley, turns round around drive pulley then, extend downwards again, and by this at least one elevator pulley and from below suspension lift car, and then extend upward, end at its second end again.
14. elevator device as claimed in claim 1 is characterized in that, also comprises a drive pulley that is connected to drivingly on the drive motor; Be connected to the first and second counterweight pulleys at counterweight top; Be connected to first and second elevator pulleys of lift car below; Be connected to third and fourth elevator pulley below the lift car on the lift car with on the opposed opposite side of first and second elevator pulleys; Be positioned at first and second deflection sheavies in well headroom space; This flat ropes has first and second ends, each end all is fixed in the head room of hoistway, flat ropes is extended downwards from its first end, turn round around the first counterweight pulley, extend upward then and turn round around first deflection sheave, extend downwards then and turn round around the second counterweight pulley, extend upward then and turn round around drive pulley, extend downwards then and hang lift car from the below by first and second elevator pulleys, and then extend upward and turn round around second deflection sheave, extend downwards then and hang lift car from the below, extend upward then, end at its second end again by third and fourth elevator pulley.
15. elevator device as claimed in claim 1 is characterized in that, described drive motor is a gearless.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/031108 | 1998-02-26 | ||
| US09/031,108 US6401871B2 (en) | 1998-02-26 | 1998-02-26 | Tension member for an elevator |
| US16321898A | 1998-09-29 | 1998-09-29 | |
| US09/163218 | 1998-09-29 | ||
| US09/218,990 US6739433B1 (en) | 1998-02-26 | 1998-12-22 | Tension member for an elevator |
| US09/218990 | 1998-12-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1313827A CN1313827A (en) | 2001-09-19 |
| CN1329273C true CN1329273C (en) | 2007-08-01 |
Family
ID=27363791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB998033642A Expired - Lifetime CN1329273C (en) | 1998-02-26 | 1999-02-19 | Elevator system with overhead drive motor |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP1066213B1 (en) |
| JP (1) | JP2002504471A (en) |
| CN (1) | CN1329273C (en) |
| BR (1) | BR9908230A (en) |
| DE (2) | DE29924745U1 (en) |
| ES (1) | ES2262331T3 (en) |
| HK (1) | HK1039105B (en) |
| PT (1) | PT1066213E (en) |
| WO (1) | WO1999043593A1 (en) |
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| CN110709344B (en) * | 2017-06-06 | 2021-03-26 | 株式会社日立制作所 | Elevator with a movable elevator car |
| CN109720964A (en) | 2017-10-27 | 2019-05-07 | 奥的斯电梯公司 | Elevator traction system and elevator device |
| CN109319631A (en) * | 2018-10-12 | 2019-02-12 | 佛山市高明区安承升降装备研究院 | A kind of elevator based on ground hoistway |
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- 1999-02-19 EP EP99936067A patent/EP1066213B1/en not_active Revoked
- 1999-02-19 JP JP2000533359A patent/JP2002504471A/en active Pending
- 1999-02-19 DE DE29924745U patent/DE29924745U1/en not_active Expired - Lifetime
- 1999-02-19 WO PCT/US1999/003648 patent/WO1999043593A1/en active IP Right Grant
- 1999-02-19 PT PT99936067T patent/PT1066213E/en unknown
- 1999-02-19 BR BR9908230-6A patent/BR9908230A/en not_active IP Right Cessation
- 1999-02-19 DE DE69931764T patent/DE69931764T2/en not_active Revoked
- 1999-02-19 CN CNB998033642A patent/CN1329273C/en not_active Expired - Lifetime
- 1999-02-19 ES ES99936067T patent/ES2262331T3/en not_active Expired - Lifetime
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- 2002-01-30 HK HK02100741.0A patent/HK1039105B/en not_active IP Right Cessation
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| US3101130A (en) * | 1960-10-12 | 1963-08-20 | Silopark S A | Elevator system in which drive mechanism is mounted upon the counterweight |
| DE1506479A1 (en) * | 1967-06-14 | 1969-12-18 | Hans Mangelsdorff | Elastic headstock chain drive, especially for industrial and garage lifts |
| FR1521441A (en) * | 1967-07-22 | 1968-04-19 | Freight elevator with cab with removable side walls and movable grids on the floors, and equipped with electronic control devices | |
| DE2333120A1 (en) * | 1973-06-29 | 1975-01-23 | Rudolf Dr Ing Vogel | DRIVING AND / OR REVERSING ROLLERS FOR STEEL BELTS AS A CARRIER FOR TRANSPORT MEANS |
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| EP0710618A2 (en) * | 1994-11-03 | 1996-05-08 | Kone Oy | Traction sheave elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| DE69931764D1 (en) | 2006-07-20 |
| DE29924745U1 (en) | 2005-06-09 |
| DE69931764T2 (en) | 2007-06-06 |
| EP1066213B1 (en) | 2006-06-07 |
| ES2262331T3 (en) | 2006-11-16 |
| JP2002504471A (en) | 2002-02-12 |
| PT1066213E (en) | 2006-09-29 |
| HK1039105A1 (en) | 2002-04-12 |
| HK1039105B (en) | 2008-03-14 |
| EP1066213A1 (en) | 2001-01-10 |
| WO1999043593A1 (en) | 1999-09-02 |
| CN1313827A (en) | 2001-09-19 |
| BR9908230A (en) | 2000-10-31 |
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