CN105084156A - Compensating device for elevator driven by double main engines - Google Patents

Compensating device for elevator driven by double main engines Download PDF

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Publication number
CN105084156A
CN105084156A CN201510591572.6A CN201510591572A CN105084156A CN 105084156 A CN105084156 A CN 105084156A CN 201510591572 A CN201510591572 A CN 201510591572A CN 105084156 A CN105084156 A CN 105084156A
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CN
China
Prior art keywords
elevator
pulley
compensating device
counterweight
assembly pulley
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Pending
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CN201510591572.6A
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Chinese (zh)
Inventor
赵忠义
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Individual
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Individual
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Priority to CN201510591572.6A priority Critical patent/CN105084156A/en
Publication of CN105084156A publication Critical patent/CN105084156A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00Other common features of elevators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16GBELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G13/00Chains

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

The invention discloses a compensating device for an elevator driven by double main engines. The compensating device comprises at least one car platform pulley, a pulley block and a connecting mechanism; the car platform pulley is fixedly arranged at the bottom of an elevator lift car; the pulley block comprises a first pulley block body and a second pulley block body which are arranged in a liftway pit; and one end of the connecting mechanism is fixedly connected with a first counter-weight bottom of the elevator, and the other end of the connecting mechanism vertically bypasses the first pulley block body, the car platform pulley and the second pulley block body sequentially and finally is fixedly connected to a second counter-weight bottom of the elevator. By means of the compensating device, the problem that the compensating device is prone to being damaged when the double main engines of the elevator operate asynchronously is solved, and the problem that the single main engine of the elevator cannot be compensated is also solved.

Description

A kind of compensating device for two host driven elevator
Technical field
The present invention relates to a kind of compensating device of elevator.More particularly, the present invention relates to a kind of compensating device for two host driven elevator.
Background technology
Traditional elevator is all generally the elevator adopting single host to drive, when its running velocity is very large, or when load carrying ability is very large, drive the volume of main frame will become very huge, main frame cost also can be multiplied, but also can cause installation difficulty, cannot meet at a high speed and the requirement of load capacity simultaneously.Patents CN104760870A discloses a kind of two host driven elevator, and which employs two towing machines as driving, be correspondingly configured with two counterweights, it lays respectively at lift car both sides or the same side.It is large that the elevator that this pair of host synchronization drives has load carrying ability, and speed is fast, and structure is simple, and manufacturing cost is the advantage such as relatively low also.
Elevator is in operational process, and the length of the hanging steel rope of cage side and counterweight-side in continuous change, thus causes the change of traction sheave side-by-side mounting steel rope weight.When car is positioned at minimum stop, the weight major part of steel rope acts on cage side; When car is positioned at top station, the weight major part of steel rope acts on counterweight-side.This change is when lifting height of lift is little, little on the drive ability impact of elevator, but when being lifted beyond certain altitude, can having a strong impact on the safety and stability that elevator runs, jeopardize the safety of passenger.Therefore, when the hoisting depth of elevator exceedes certain altitude, the parts with constant weight must be set and balance because hoisting depth changes the hanging steel rope changes in weight brought, the compensating device of Here it is elevator.But the disclosed two host driven elevator of patent CN104760870A does not configure corresponding compensating device.Traditional single host drives the compensating device suspending way of elevator to be all arrange a sling point respectively in the bottom of car and counterweight, and the two ends compensating rope or compensated chain are directly suspended on the bottom of car and counterweight, respectively to compensate the weight difference of traction steel-cable.For two host driven elevator, it has a car and two counterweights, if still adopt the compensating device hang of traditional single host elevator will be inapplicable.Because when two main frames of pair host driven elevator run asynchronous, just there will be and compensate rope or the nonsynchronous situation of compensated chain, this is guide piece of easy allowance for damage chain or the tightening device of compensation rope just.And when two host driven elevator only has one of them host driven to run, traditional compensating device also cannot play the effect of compensation.
Summary of the invention
An object of the present invention is to solve at least the problems referred to above and/or defect, and the advantage will illustrated at least is below provided.
A further object of the invention is to provide a kind of compensating device for two host driven elevator, it can solve the problem easily causing compensating device to damage when two host driven elevator two main frame runs asynchronous, can also solve the problem that can not compensate when two host driven elevator individual host runs.
In order to realize, according to these objects of the present invention and other advantage, providing a kind of compensating device for two host driven elevator, comprising:
Pulley at the bottom of at least one sedan-chair, it is fixedly installed on bottom lift car;
Assembly pulley, it comprises and is arranged at the first assembly pulley in elevator hoistways pit and the second assembly pulley;
Bindiny mechanism, its one end is fixedly attached to bottom the first counterweight of elevator, and the other end walks around pulley and the second assembly pulley at the bottom of described first assembly pulley, sedan-chair successively, bottom the second counterweight being finally fixedly attached to elevator.
Preferably, at least one pulley is included in described first assembly pulley and the second assembly pulley.
Preferably, described assembly pulley adopts guiding wheels, and described guiding wheels comprise and are fixedly installed on the first guiding wheels in elevator hoistways pit and the second guiding wheels.
Preferably, described bindiny mechanism adopts compensated chain, described compensated chain one end is fixedly attached to bottom the first counterweight of elevator, and the other end walks around described first guiding wheels, pulley at the bottom of sedan-chair and the second guiding wheels successively, bottom the second counterweight being finally fixedly attached to elevator.
Preferably, described assembly pulley adopts tensioning wheels, described tensioning wheels comprise and adopt gravity tensioning mode to be arranged in elevator hoistways pit and the first tensioning wheels that can vertically slide up and down and the second tensioning wheels, connect into an entirety between each tension wheel in described first tensioning wheels and the second tensioning wheels by attaching parts.
Preferably, the described compensating device for two host driven elevator also comprise the guide rail that to be arranged in elevator hoistways pit vertically and be fixedly connected with the second tensioning wheels with described first tensioning wheels respectively lead boots, described in lead boots and slide up and down along guide rail.
Preferably, described bindiny mechanism adopts and compensates rope, described compensation rope one end is fixedly attached to bottom the first counterweight of elevator, and the other end walks around pulley and the second tensioning wheels at the bottom of described first tensioning wheels, sedan-chair successively, bottom the second counterweight being finally fixedly attached to elevator.
Preferably, the bindiny mechanism overhang on pulley at the bottom of described sedan-chair arranges in vertical, and the bindiny mechanism between elevator first counterweight and the first assembly pulley is in vertically arranging, the bindiny mechanism between elevator second counterweight and the second assembly pulley is in vertically arranging.
Preferably, pulley at the bottom of described sedan-chair is symmetrical centered by the traction hitch point of elevator car roof.
The present invention includes following beneficial effect:
One, the present invention by the commutation effect of pulley at the bottom of sedan-chair and the directional tagging of the first assembly pulley and the second assembly pulley or tension, compensated chain or compensate the compensation of rope to the situation that lays particular stress on of traction steel-cable on lift car and counterweight in the lifting process of the car realizing two counterweight elevator in hoistway;
Two, the compensating device of this structure can solve the problem easily causing compensating device to damage when two host driven elevator two main frame runs asynchronous, can also solve the problem that can not compensate when two host driven elevator individual host runs;
Three, can according to the relative position relation of car and two counterweights and hoistway layout scenarios around thereof, the concrete pulley adjusting pulley at the bottom of the first assembly pulley, the second assembly pulley and sedan-chair uses the concrete relative position between number and each pulley, make the stress balance of counterweight and car, adjustment is simple flexibly;
Four, the present invention can also avoid the layout in compensating device and hoistway to interfere, and ensures the balance of lift car, is applicable to the hoistway of various different layout.
Part is embodied by explanation below by other advantage of the present invention, target and feature, part also will by research and practice of the present invention by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the structural representation of two host driven elevator and compensating device thereof in one embodiment of the invention;
Fig. 2 is the structural representation for the compensating device of two host driven elevator in another embodiment of the present invention;
Fig. 3 is the structural representation for the compensating device of two host driven elevator in another embodiment of the present invention;
Fig. 4 is the structural representation for the compensating device of two host driven elevator in another embodiment of the present invention;
Fig. 5 is the birds-eye view of the first tensioning wheels and the second tensioning wheels in another embodiment of the present invention.
Number in the figure:
Car 1, first counterweight 21, second counterweight 22, pulley 4, first assembly pulley 5, second assembly pulley 6, bindiny mechanism 7, tension wheel 8, attaching parts 9 at the bottom of towing machine 3, sedan-chair, leads boots 10.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to specification sheets word to make those skilled in the art.
Should be appreciated that used hereinly such as " to have ", other element one or more do not got rid of in " comprising " and " comprising " term or the existence of its combination or interpolation.
As shown in Figure 1, the invention provides a kind of compensating device for two host driven elevator, described pair of host driven elevator comprises: be arranged at the car 1 in elevator hoistways, two towing machines 3 that two counterweights (being respectively the first counterweight 21 and the second counterweight 22) and both the chien shihs being connected to described car and two counterweights can be elevated along elevator hoistways and hanging steel rope 31, described two counterweights are arranged at car 1 homonymy or are arranged at car 1 both sides respectively, described pair of host driven elevator also comprises the compensating device of the unbalanced moment for balancing hanging steel rope 31 generation when elevator runs.For the concrete structure feature of two host driven elevator, the invention provides a kind of compensating device for two host driven elevator, comprising:
Pulley 4 at the bottom of at least one sedan-chair, it is fixedly installed on bottom lift car 1;
Assembly pulley, it comprises the first assembly pulley 5 and the second assembly pulley 6 be arranged in elevator hoistways pit;
Bindiny mechanism 7, its one end is fixedly attached to bottom the first counterweight 21 of elevator, and the other end walks around pulley 4 and the second assembly pulley 6 at the bottom of described first assembly pulley 5, sedan-chair successively, bottom the second counterweight 22 being finally fixedly attached to elevator.
Described bindiny mechanism 7 is by pulley 4 at the bottom of the first assembly pulley 5, sedan-chair and the directional tagging of the second assembly pulley 6 or the double action of guiding and tensioning, to in running process of elevator, the unbalance loading situation that car and counterweight are elevated the hanging steel rope caused in opposite direction compensates.For described pair of host driven elevator, lift car is driven to rise in the process of high-storey at towing machine, counterweight constantly declines, the weight major part of hanging steel rope acts on counterweight-side, and most of length of described bindiny mechanism is positioned at cage side, and then the weight major part of bindiny mechanism acts on cage side, balances the weight of counterweight-side hanging steel rope with this.Same principle, lift car is driven to drop in the process of ground floor layer at towing machine, counterweight constantly rises, the weight major part of hanging steel rope acts on cage side, and most of length of described bindiny mechanism is positioned at counterweight-side, and then the weight major part of bindiny mechanism acts on counterweight-side, balances the weight of cage side suspension steel rope with this.Therefore, improve the stability that elevator runs, ensure the safety of passenger.Described compensating device also solves the problem easily causing compensating device to damage when two host driven elevator two main frame runs asynchronous simultaneously, and solve the problem that can not compensate when two host driven elevator individual host runs, further increase the security and stability of elevator.
In such scheme, include at least one pulley in described first assembly pulley 5 and the second assembly pulley 6, the use number of described pulley can adjust according to the relative position relation of car and two counterweights and hoistway layout scenarios around thereof.As shown in Figure 2 in embodiment, described compensating device comprises two and is arranged at pulley 4 at the bottom of the sedan-chair of cage bottom, be arranged in the first assembly pulley 5 in elevator hoistways pit and the second assembly pulley 6 and include a pulley, bindiny mechanism 7 one end is fixedly attached to bottom the first counterweight 21 of elevator, the other end walks around a pulley of pulley 4 and the second assembly pulley 6 at the bottom of the pulley comprising the first assembly pulley 5, two sedan-chairs straight down successively, bottom the second counterweight 22 being finally fixedly attached to elevator.
In another kind of example, as shown in Figure 3, described assembly pulley adopts guiding wheels, and described guiding wheels comprise the first guiding wheels 5 and the second guiding wheels 6 be fixedly installed in elevator hoistways pit, and it has directional tagging to described bindiny mechanism 7.Preferably, described bindiny mechanism 7 adopts compensated chain, under the directional tagging of pulley at the bottom of wheels and sedan-chair that leads, described compensated chain one end is fixedly attached to bottom the first counterweight 21 of elevator, the other end walks around described first guiding wheels 5 successively, pulley 4 and the second guiding wheels 6 at the bottom of sedan-chair, bottom the second counterweight 22 being finally fixedly attached to elevator.
In another kind of example, as shown in Figure 4 and Figure 5, described assembly pulley adopts tensioning wheels, described tensioning wheels comprise and adopt gravity tensioning mode to be arranged in elevator hoistways pit and first tensioning wheels 5 and the second tensioning wheels 6 that can vertically slide up and down, and connect into an entirety between each tension wheel 8 in described first tensioning wheels 5 and the second tensioning wheels 6 by attaching parts 9.It is with the gravity tensioning bindiny mechanism 7 of self, prevents described bindiny mechanism 7 from swinging, rock and being mutually wound around between each section.
In such scheme, the described compensating device for two host driven elevator also comprise the guide rail that to be arranged in elevator hoistways pit vertically and be fixedly connected with the second tensioning wheels with described first tensioning wheels respectively lead boots 10, described boots of leading slide up and down along guide rail, make compensation rope keep tensioning to make described first tensioning wheels and the second tensioning wheels by the weight of self.
In such scheme, described bindiny mechanism 7 adopts and compensates rope, describedly to compensate bottom the first counterweight that rope one end is fixedly attached to elevator 21, the other end walks around pulley 4 and the second tensioning wheels 6 at the bottom of described first tensioning wheels 5, sedan-chair successively, bottom the second counterweight being finally fixedly attached to elevator 22.Described first tensioning wheels and the second tensioning wheels compensate rope with own wt tensioning, prevent compensating rope and swing, rock and be mutually wound around between each section.
In such scheme, the bindiny mechanism 7 overhang on pulley 4 at the bottom of described sedan-chair is arranged vertically, bindiny mechanism 7 between first counterweight 21 and the first assembly pulley 5 of elevator is arranged vertically, bindiny mechanism 7 between second counterweight 22 and the second assembly pulley 6 of elevator is arranged vertically, and effectively improves the unbalance loading situation of car and counterweight.
The present invention further technical scheme is, pulley 4 at the bottom of described sedan-chair is symmetrical centered by the traction hitch point at lift car 1 top, makes car stress balance, improves the unbalance loading situation of car and counterweight further, ensures the safe and stable operation of elevator.
Here the number of devices illustrated and treatment scale are used to simplify explanation of the present invention.The application, the modifications and variations that the present invention are used for the compensating device of two host driven elevator will be readily apparent to persons skilled in the art.
As mentioned above, the present invention has following beneficial effect:
One, the present invention is by the commutation effect of pulley at the bottom of sedan-chair and the directional tagging of the first assembly pulley and the second assembly pulley or tension, compensated chain or compensate the compensation of rope to the situation that lays particular stress on of traction steel-cable on lift car and counterweight in the lifting process of the car realizing two counterweight elevator in hoistway; Two, the compensating device of this structure can solve the problem easily causing compensating device to damage when two host driven elevator two main frame runs asynchronous, can also solve the problem that can not compensate when two host driven elevator individual host runs; Three, can according to the relative position relation of car and two counterweights and hoistway layout scenarios around thereof, the concrete pulley adjusting pulley at the bottom of the first assembly pulley, the second assembly pulley and sedan-chair uses the concrete relative position between number and each pulley, make the stress balance of counterweight and car, adjustment is simple flexibly; Four, the present invention can also avoid the layout in compensating device and hoistway to interfere, and ensures the balance of lift car, is applicable to the hoistway of various different layout.
Although embodiment of the present invention are open as above, it is not restricted to listed in specification sheets and embodiment utilization.It can be applied to various applicable the field of the invention completely.For those skilled in the art, can easily realize other amendment.Therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.

Claims (9)

1., for a compensating device for two host driven elevator, it is characterized in that, comprising:
Pulley at the bottom of at least one sedan-chair, it is fixedly installed on bottom lift car;
Assembly pulley, it comprises and is arranged at the first assembly pulley in elevator hoistways pit and the second assembly pulley;
Bindiny mechanism, its one end is fixedly attached to bottom the first counterweight of elevator, and the other end walks around pulley and the second assembly pulley at the bottom of described first assembly pulley, sedan-chair successively, bottom the second counterweight being finally fixedly attached to elevator.
2., as claimed in claim 1 for the compensating device of two host driven elevator, it is characterized in that, in described first assembly pulley and the second assembly pulley, include at least one pulley.
3. as claimed in claim 1 for the compensating device of two host driven elevator, it is characterized in that, described assembly pulley adopts guiding wheels, and described guiding wheels comprise and are fixedly installed on the first guiding wheels in elevator hoistways pit and the second guiding wheels.
4. as claimed in claim 3 for the compensating device of two host driven elevator, it is characterized in that, described bindiny mechanism adopts compensated chain, described compensated chain one end is fixedly attached to bottom the first counterweight of elevator, the other end walks around described first guiding wheels, pulley at the bottom of sedan-chair and the second guiding wheels successively, bottom the second counterweight being finally fixedly attached to elevator.
5. as claimed in claim 1 for the compensating device of two host driven elevator, it is characterized in that, described assembly pulley adopts tensioning wheels, described tensioning wheels comprise and adopt gravity tensioning mode to be arranged in elevator hoistways pit and the first tensioning wheels that can vertically slide up and down and the second tensioning wheels, connect into an entirety between each tension wheel in described first tensioning wheels and the second tensioning wheels by attaching parts.
6. as claimed in claim 5 for the compensating device of two host driven elevator, it is characterized in that, also comprise the guide rail that to be arranged in elevator hoistways pit vertically and be fixedly connected with the second tensioning wheels with described first tensioning wheels respectively lead boots, described in lead boots and slide up and down along guide rail.
7. as claimed in claim 6 for the compensating device of two host driven elevator, it is characterized in that, described bindiny mechanism adopts and compensates rope, described compensation rope one end is fixedly attached to bottom the first counterweight of elevator, the other end walks around pulley and the second tensioning wheels at the bottom of described first tensioning wheels, sedan-chair successively, bottom the second counterweight being finally fixedly attached to elevator.
8. as claimed in claim 1 for the compensating device of two host driven elevator, it is characterized in that, the bindiny mechanism overhang on pulley at the bottom of described sedan-chair arranges in vertical, bindiny mechanism between elevator first counterweight and the first assembly pulley is in vertically arranging, the bindiny mechanism between elevator second counterweight and the second assembly pulley is in vertically arranging.
9., as claimed in claim 1 for the compensating device of two host driven elevator, it is characterized in that, pulley at the bottom of described sedan-chair is symmetrical centered by the traction hitch point of elevator car roof.
CN201510591572.6A 2015-09-15 2015-09-15 Compensating device for elevator driven by double main engines Pending CN105084156A (en)

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CN201510591572.6A CN105084156A (en) 2015-09-15 2015-09-15 Compensating device for elevator driven by double main engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111927929A (en) * 2020-07-29 2020-11-13 昆山科亚迪自动化设备有限公司 Transmission structure
CN112249847A (en) * 2020-07-15 2021-01-22 德普家用电梯(上海)有限公司 Weight balance system of home elevator

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US180186A (en) * 1876-07-25 Improvement in elevators
US2537075A (en) * 1948-10-09 1951-01-09 Otis Elevator Co Compensating apparatus for elevator hoisting roping
JPH0664863A (en) * 1992-07-17 1994-03-08 Mitsubishi Electric Corp Elevator-driving system
JPH06211463A (en) * 1993-01-18 1994-08-02 Hitachi Ltd Elevator equipment
CN103848322A (en) * 2012-12-06 2014-06-11 通力股份公司 Elevator with compensation rope
CN204549762U (en) * 2015-04-14 2015-08-12 赵忠义 Two host driven elevator
CN204917531U (en) * 2015-09-15 2015-12-30 赵忠义 A compensation arrangement that is used for two host computers drive elevators

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US180186A (en) * 1876-07-25 Improvement in elevators
US2537075A (en) * 1948-10-09 1951-01-09 Otis Elevator Co Compensating apparatus for elevator hoisting roping
JPH0664863A (en) * 1992-07-17 1994-03-08 Mitsubishi Electric Corp Elevator-driving system
JPH06211463A (en) * 1993-01-18 1994-08-02 Hitachi Ltd Elevator equipment
CN103848322A (en) * 2012-12-06 2014-06-11 通力股份公司 Elevator with compensation rope
CN204549762U (en) * 2015-04-14 2015-08-12 赵忠义 Two host driven elevator
CN204917531U (en) * 2015-09-15 2015-12-30 赵忠义 A compensation arrangement that is used for two host computers drive elevators

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112249847A (en) * 2020-07-15 2021-01-22 德普家用电梯(上海)有限公司 Weight balance system of home elevator
CN111927929A (en) * 2020-07-29 2020-11-13 昆山科亚迪自动化设备有限公司 Transmission structure

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Application publication date: 20151125