CN105035928A - Lift self-balancing device, lift and lift self-balancing adjustment method - Google Patents
Lift self-balancing device, lift and lift self-balancing adjustment method Download PDFInfo
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- CN105035928A CN105035928A CN201510401842.2A CN201510401842A CN105035928A CN 105035928 A CN105035928 A CN 105035928A CN 201510401842 A CN201510401842 A CN 201510401842A CN 105035928 A CN105035928 A CN 105035928A
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- elevator
- drive motor
- sensor
- counterweight
- car
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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
- B66B7/04—Riding means, e.g. Shoes, Rollers, between car and guiding means, e.g. rails, ropes
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- Elevator Control (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a lift self-balancing device, a lift and a lift self-balancing adjustment method. The lift self-balancing device comprises sensors, a control mechanism and a levelling mechanism; the sensors are arranged on lift guide shoes, the control mechanism is located on a lift car, the levelling mechanism is located on a buffer beam of a lift car bottom frame, the input end of the control mechanism is connected with the sensors, and the output end of the control mechanism is connected with the levelling mechanism. By arranging the levelling mechanism on the buffer beam of the lift car bottom frame, the levelling mechanism is not located on the same plane with a compensation module and an accompanying cable of the lift in actual use, interference cannot occur, therefore, all-directional eccentric load balancing adjustment can be achieved, the service life of the lift guide shoes can be longer, and the lift operation can be safer and more comfortable.
Description
Technical field
The present invention relates to traction elevator technical field, be specifically related to a kind of elevator self balancing device, elevator and elevator self-balancing control method.
Background technology
Modern architecture hoists development gradually, and elevator has become indispensable means of delivery, and the safety and comfort of elevator more and more receives the concern of people.General, traction elevator runs change highly along with elevator or passenger takes elevator institute station location difference, and the center-of-gravity position of elevator ride part also will change, and make elevator occur unbalance loading, thus affect the service life of elevator guide shoe and the traffic safety and riding comfort of elevator.Traditional, be all that just no longer regulate, unbalance loading situation is more serious after fixed point adjustment when elevator is installed.Existing adjustment device generally can produce with the compensating module of elevator, trailing cable or energy disperser when regulating and conflict, and the limitation of installation and adjustment is comparatively large, and can not realize omnibearing adjustment.
Summary of the invention
Based on this, the invention reside in the defect overcoming prior art, there is provided one can realize omnibearing unbalance loading balance adjustment, make the longer service life of elevator guide shoe, elevator self balancing device, elevator and elevator self-balancing control method that elevator runs safety and comfort more.
Its technical scheme is as follows:
A kind of elevator self balancing device, comprise sensor, control mechanism and levelling gear, described sensor setting is on elevator guide shoe, described control mechanism is positioned on car, described levelling gear is positioned at above the buffer beam of car underframe, the input end of described control mechanism connects described sensor, and mouth connects described levelling gear.
Wherein in an embodiment, described levelling gear comprises cross slide way, is positioned at the longitudinal rail of described cross slide way both sides, horizontal drive motor, vertical drive motor and counterweight, buffer beam and/or the front and rear beam of described longitudinal rail and car underframe are connected, described cross slide way is slidably mounted on described longitudinal rail, described vertical drive motor is fixed on one end of described cross slide way, described horizontal drive motor connect with described counterweight and together be slidably mounted on described cross slide way.
Wherein in an embodiment, the first gear or the first worm screw is provided with in described horizontal drive motor, described cross slide way is provided with the first tooth bar be meshed with described first gear or the first worm screw, and described first gear or the first worm screw engage with described first tooth bar and described horizontal drive motor and counterweight are moved on described cross slide way; The second gear or the second worm screw is provided with in described vertical drive motor, described longitudinal rail is provided with the second tooth bar be meshed with described second gear or the second worm screw, and described second gear or the second worm screw engage with described second tooth bar and the described cross slide way being loaded with described horizontal drive motor, counterweight and vertical drive motor is moved on described longitudinal rail.
Wherein in an embodiment, the mouth of described control mechanism connects described horizontal drive motor and described vertical drive motor.
Wherein in an embodiment, four orientation that car contacts with car guide rail are equipped with elevator guide shoe, and three faces that elevator guide shoe contacts with car guide rail are equipped with described sensor.
Wherein in an embodiment, when elevator guide shoe is rolling guide shoe, described sensor is pressure sensor; When elevator guide shoe is sliding guide shoe, described sensor comprises pressure sensor and rang sensor.
A kind of elevator, comprise described elevator self balancing device, car, car underframe and elevator guide shoe, described sensor setting is on elevator guide shoe, described control mechanism is positioned on car, described levelling gear is positioned at above the buffer beam of car underframe, the input end of described control mechanism connects described sensor, and mouth connects described levelling gear.
A kind of elevator self-balancing control method, comprises the following steps:
The center of gravity of horizontal drive motor and counterweight is adjusted to hanging center, and with the center of hanging for initial point sets up rectangular coordinate system, described hanging center refers to the sling point at elevator suspension steel rope place;
During elevator unbalance loading, sensors generate signals is also sent to control mechanism;
Control mechanism Received signal strength, carries out transformational analysis to data, calculates unbalance loading direction and unbalance loading amount, when must send as an envoy to elevator balanced counterweight and movable parts should movement coordinate position and send described coordinate position to levelling gear; When the unbalance loading amount that control mechanism calculates can not be offset completely by the weight of counterweight and movable parts, send limit coordinate position, when for horizontal unbalance loading, described limit coordinate position is the end of cross slide way, when for longitudinal unbalance loading, described limit coordinate position is the end of longitudinal rail;
Horizontal drive motor receives horizontal unbalance loading coordinate position and transports counterweight and arrives assigned address, and vertical drive motor receives longitudinal unbalance loading coordinate position and transports cross slide way and arrives assigned address.
Wherein in an embodiment, with the center of hanging for fulcrum, suppose that offset loading force is P, offset loading force is H3 to the distance of fulcrum, then the moment that offset loading force produces is P × H3;
When described offset loading force is rear side unbalance loading, above sensor pressurized on rear side of two elevator guide shoes, power is respectively F1, F2, and F1, F2 are H1 to the distance of fulcrum, then the moment that the sensor above on rear side of two elevator guide shoes produces is F1 × H1+F2 × H1; Sensor pressurized below on front side of two elevator guide shoes, power is respectively F3, F4, and F3, F4 are H2 to the distance of fulcrum, then the moment that the sensor below on front side of two elevator guide shoes produces is F3 × H2+F4 × H2;
By stress balance, obtain P × H3=F1 × H1+F2 × H1+F3 × H2+F4 × H2;
Requirement car balances, then elevator guide shoe stressed F1, F2, F3, F4 is 0, and known counterweight amount is F, counterweight and movable parts center of gravity need be regulated to L, known, P × H3=F × L, i.e. F × L=F1 × H1+F2 × H1+F3 × H2+F4 × H2 by stress balance;
Obtain coordinate position L=(F1 × H1+F2 × H1+F3 × H2+F4 × H2)/F.
Beneficial effect of the present invention is:
Described elevator guide shoe is provided with sensor, the signal of generation is sent to control mechanism by described sensor, described control mechanism controls levelling gear further, thus realize elevator unbalance loading balance adjustment, by above the buffer beam that described levelling gear is arranged on described car underframe, described levelling gear when reality uses and the compensating module of elevator and trailing cable not at grade, can not interfere, omnibearing unbalance loading balance adjustment can be realized, make the longer service life of elevator guide shoe, elevator runs safety and comfort more.
Described elevator comprises described elevator self balancing device, and described elevator operationally can realize the comprehensive unbalance loading balance adjustment of described car by described elevator self balancing device, increase the service life of described elevator guide shoe, described elevator runs safety and comfort more.
Described elevator self-balancing control method principle is simple, achieve comprehensive unbalance loading balance adjustment to car, makes the longer service life of elevator guide shoe, elevator runs safety and comfort more.
Accompanying drawing explanation
Fig. 1 is the structural representation of the elevator self balancing device described in the embodiment of the present invention;
Fig. 2 is the birds-eye view of the levelling gear of the elevator self balancing device described in the embodiment of the present invention;
Fig. 3 is the schematic flow sheet of the elevator self-balancing control method described in the embodiment of the present invention;
The coordinate position that Fig. 4 is the elevator self-balancing control method described in the embodiment of the present invention calculates schematic diagram;
Description of reference numerals:
10, control mechanism, 20, levelling gear, 201, cross slide way, 202, longitudinal rail, 203, horizontal drive motor, 204, vertical drive motor, 205, counterweight, 30, elevator guide shoe, 40, car, 50, car underframe, 60, car guide rail, 70, hanging center, 80, energy disperser, 90, compensating module, 100, trailing cable.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail:
As shown in Figure 1 and Figure 2, a kind of elevator self balancing device, comprise sensor (not shown), control mechanism 10 and levelling gear 20, described sensor setting is on elevator guide shoe 30, described control mechanism 10 is positioned on car 40, described levelling gear 20 is positioned at above the buffer beam of car underframe 50, and the input end of described control mechanism 10 connects described sensor by data cable, and mouth connects described levelling gear 20 by data cable.Further, the mouth of described control mechanism 10 connects described horizontal drive motor 203 and described vertical drive motor 204.Described elevator guide shoe 30 is provided with sensor, the signal of generation is sent to control mechanism 10 by described sensor, described control mechanism 10 controls levelling gear 20 further, thus realize elevator unbalance loading balance adjustment, by above the buffer beam that described levelling gear 20 is arranged on described car underframe 50, described levelling gear 20 when reality uses and the compensating module 90 of elevator and trailing cable 100 not at grade, can not interfere, omnibearing unbalance loading balance adjustment can be realized, make the longer service life of elevator guide shoe 30, elevator runs safety and comfort more.In addition, the energy disperser 80 of elevator and dash plate are positioned at below the buffer beam of car underframe 50, shelter can not be had between the energy disperser 80 of usual elevator and dash plate, by described levelling gear 20 is arranged on above the buffer beam of car underframe 50, when described levelling gear 20 carries out balance adjustment, also can not produce with energy disperser 80 and interfere, omnibearing unbalance loading balance adjustment all around can be realized.Described control mechanism 10 is directly to the balance sit cursor position that horizontal drive motor 203 and vertical drive motor 204 control to make it arrive and specify, and control accuracy is high.The present invention runs unbalance loading situation by Real-Time Monitoring elevator, and comprehensive adjustment elevator unbalance loading balance, simple and reasonable, safety performance is good.
As Fig. 1, shown in Fig. 2, described levelling gear 20 comprises cross slide way 201, be positioned at the longitudinal rail 202 of described cross slide way 201 both sides, horizontal drive motor 203, vertical drive motor 204 and counterweight 205, buffer beam and/or the front and rear beam of described longitudinal rail 202 and car underframe 50 are connected, described cross slide way 201 is slidably mounted on described longitudinal rail 202, described vertical drive motor 204 is fixed on one end of described cross slide way 201, described horizontal drive motor 203 be bolted with described counterweight 205 and together be slidably mounted on described cross slide way 201.Described levelling gear 20 is in actual leveling process, described horizontal drive motor 203 and counterweight 205 can move on cross slide way 201, described cross slide way 201 and vertical drive motor 204 can move on described longitudinal rail 202, namely described counterweight 205 can carry out omnibearing movable all around, thus realizes omnibearing unbalance loading balance adjustment all around.Preferably, the first gear or the first worm screw (not shown) is provided with in described horizontal drive motor 203, described cross slide way 201 is provided with the first tooth bar (not shown) be meshed with described first gear or the first worm screw, and described first gear or the first worm screw engage with described first tooth bar and described horizontal drive motor 203 and counterweight 205 are moved on described cross slide way 201.The second gear or the second worm screw (not shown) is provided with in described vertical drive motor 204, described longitudinal rail 202 is provided with the second tooth bar (not shown) be meshed with described second gear or the second worm screw, and described second gear or the second worm screw engage the described cross slide way 201 making to be loaded with described horizontal drive motor 203, counterweight 205 and vertical drive motor 204 and move on described longitudinal rail 202 with described second tooth bar.By adopting, the mode of rack and pinion engagement or worm rack engagement drives described counterweight 205, described cross slide way 201 arrives assigned address, and compact conformation, transmission are comparatively accurate, efficiency is high.
Preferably, four orientation that car 40 contacts with car guide rail 60 are equipped with elevator guide shoe 30, and three faces that elevator guide shoe 30 contacts with car guide rail 60 are equipped with described sensor.Described sensor is equipped with by three faces contacting with car guide rail 60 at elevator guide shoe 30, can omnibearing mensuration offset loading force and unbalance loading direction, precision is high, measures accurately.When elevator guide shoe 30 is rolling guide shoe, described sensor is pressure sensor; When elevator guide shoe 30 is sliding guide shoe, described sensor comprises pressure sensor and rang sensor.When elevator guide shoe 30 is sliding guide shoe, if offset loading force is little, may occur car guide rail 60 not with the situation of pressure sensor contacts, now pressure sensor is measured less than unbalance loading signal, cannot produce signal and then can affect leveling precision.Therefore, when elevator guide shoe 30 is sliding guide shoe, be also provided with rang sensor, can precise acquisition to unbalance loading signal, improve leveling precision.
With reference to Fig. 1, a kind of elevator, comprise described elevator self balancing device, car 40, car underframe 50 and elevator guide shoe 30, described sensor setting is on elevator guide shoe 30, described control mechanism 10 is positioned on car 40, described levelling gear 20 is positioned at above the buffer beam of car underframe 50, and the input end of described control mechanism 10 connects described sensor, and mouth connects described levelling gear 20.Described elevator comprises described elevator self balancing device, described elevator operationally can realize the comprehensive unbalance loading balance adjustment of described car 40 by described elevator self balancing device, increase the service life of described elevator guide shoe 30, described elevator runs safety and comfort more.
As shown in Figure 3, a kind of elevator self-balancing control method, comprises the following steps:
S110: the center of gravity of horizontal drive motor 203 and counterweight 205 is adjusted to hanging center 70, with the center of hanging 70 for initial point sets up rectangular coordinate system, described hanging center 70 refers to the sling point at elevator suspension steel rope place;
S120: during elevator unbalance loading, sensors generate signals is also sent to control mechanism 10;
S130: control mechanism 10 Received signal strength, carries out transformational analysis to data, calculates unbalance loading direction and unbalance loading amount, when must send as an envoy to elevator balanced counterweight 205 and movable parts should movement coordinate position and send described coordinate position to levelling gear 20; When the unbalance loading amount that control mechanism 10 calculates can not be offset completely by the weight of counterweight 205 and movable parts, send limit coordinate position, when for horizontal unbalance loading, described limit coordinate position is the end of cross slide way 201, when for longitudinal unbalance loading, described limit coordinate position is the end of longitudinal rail 202;
S140: horizontal drive motor 203 receives horizontal unbalance loading coordinate position and transports counterweight 205 and arrives assigned address, vertical drive motor 204 receives longitudinal unbalance loading coordinate position and transports cross slide way 201 and arrives assigned address.
In step s 110, described hanging center refers to the sling point of elevator suspension steel rope, i.e. the center of diversion sheave, if when diversion sheave quantity is two, described hanging center is the mid point of the two diversion sheave lines of centres.In step s 130, which, described movable parts refers to horizontal drive motor 203, cross slide way 201 and vertical drive motor 204.Described elevator self-balancing control method principle is simple, achieves the comprehensive unbalance loading balance adjustment to car, makes the longer service life of elevator guide shoe 30, elevator runs safety and comfort more.
Further, as shown in Figure 4, with the center of hanging 70 for fulcrum, suppose that offset loading force is P, offset loading force is H3 to the distance of fulcrum, then the moment that offset loading force produces is P × H3;
When described offset loading force is rear side unbalance loading, above sensor pressurized on rear side of two elevator guide shoes 30, power is respectively F1, F2, and F1, F2 are H1 to the distance of fulcrum, then the moment that the sensor above on rear side of two elevator guide shoes 30 produces is F1 × H1+F2 × H1; Sensor pressurized below on front side of two elevator guide shoes 30, power is respectively F3, F4, and F3, F4 are H2 to the distance of fulcrum, then the moment that the sensor below on front side of two elevator guide shoes 30 produces is F3 × H2+F4 × H2;
By stress balance, obtain P × H3=F1 × H1+F2 × H1+F3 × H2+F4 × H2;
Require that car 40 balances, then elevator guide shoe 30 stressed F1, F2, F3, F4 is 0, and known counterweight amount is F, counterweight and movable parts center of gravity need be regulated to L, known, P × H3=F × L, i.e. F × L=F1 × H1+F2 × H1+F3 × H2+F4 × H2 by stress balance;
Obtain coordinate position L=(F1 × H1+F2 × H1+F3 × H2+F4 × H2)/F.
Described rear side refers to the side of car away from elevator door ladder, is front side near the side of elevator door ladder, is left side towards left side during elevator door ladder, is right side towards the right during elevator door ladder.When calculating front side or rear side unbalance loading, described counterweight amount not only should consider the weight of counterweight 205, also will consider the weight of horizontal drive motor 203, vertical drive motor 204 and cross slide way 201.When calculating left side or right side unbalance loading, described counterweight amount not only should consider the weight of counterweight 205, also will consider the weight of horizontal drive motor 203.Above-mentioned formula gives the method for calculated equilibrium coordinate position when unbalance loading is rear side unbalance loading, when for front side, left side or right side unbalance loading time, Computing Principle and above-mentioned formula same or similar.Above-mentioned coordinate position method of calculating principle is simple, and result is accurate, effectively can realize the comprehensive balance adjustment of the unbalance loading all around of elevator.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification sheets is recorded.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (9)
1. an elevator self balancing device, it is characterized in that, comprise sensor, control mechanism and levelling gear, described sensor setting is on elevator guide shoe, described control mechanism is positioned on car, described levelling gear is positioned at above the buffer beam of car underframe, and the input end of described control mechanism connects described sensor, and mouth connects described levelling gear.
2. elevator self balancing device according to claim 1, it is characterized in that, described levelling gear comprises cross slide way, is positioned at the longitudinal rail of described cross slide way both sides, horizontal drive motor, vertical drive motor and counterweight, buffer beam and/or the front and rear beam of described longitudinal rail and car underframe are connected, described cross slide way is slidably mounted on described longitudinal rail, described vertical drive motor is fixed on one end of described cross slide way, described horizontal drive motor connect with described counterweight and together be slidably mounted on described cross slide way.
3. elevator self balancing device according to claim 2, it is characterized in that, the first gear or the first worm screw is provided with in described horizontal drive motor, described cross slide way is provided with the first tooth bar be meshed with described first gear or the first worm screw, and described first gear or the first worm screw engage with described first tooth bar and described horizontal drive motor and counterweight are moved on described cross slide way;
The second gear or the second worm screw is provided with in described vertical drive motor, described longitudinal rail is provided with the second tooth bar be meshed with described second gear or the second worm screw, and described second gear or the second worm screw engage with described second tooth bar and the described cross slide way being loaded with described horizontal drive motor, counterweight and vertical drive motor is moved on described longitudinal rail.
4. elevator self balancing device according to claim 2, is characterized in that, the mouth of described control mechanism connects described horizontal drive motor and described vertical drive motor.
5. elevator self balancing device according to claim 1, is characterized in that, four orientation that car contacts with car guide rail are equipped with elevator guide shoe, and three faces that elevator guide shoe contacts with car guide rail are equipped with described sensor.
6. elevator self balancing device according to claim 1, is characterized in that, when elevator guide shoe is rolling guide shoe, described sensor is pressure sensor; When elevator guide shoe is sliding guide shoe, described sensor comprises pressure sensor and rang sensor.
7. an elevator, it is characterized in that, comprise the elevator self balancing device described in any one of the claims 1-7, car, car underframe and elevator guide shoe, described sensor setting is on elevator guide shoe, described control mechanism is positioned on car, described levelling gear is positioned at above the buffer beam of car underframe, and the input end of described control mechanism connects described sensor, and mouth connects described levelling gear.
8. an elevator self-balancing control method, is characterized in that, comprises the following steps:
The center of gravity of horizontal drive motor and counterweight is adjusted to hanging center, and with the center of hanging for initial point sets up rectangular coordinate system, described hanging center refers to the sling point at elevator suspension steel rope place;
During elevator unbalance loading, sensors generate signals is also sent to control mechanism;
Control mechanism Received signal strength, carries out transformational analysis to data, calculates unbalance loading direction and unbalance loading amount, when must send as an envoy to elevator balanced counterweight and movable parts should movement coordinate position and send described coordinate position to levelling gear; When the unbalance loading amount that control mechanism calculates can not be offset completely by the weight of counterweight and movable parts, send limit coordinate position, when for horizontal unbalance loading, described limit coordinate position is the end of cross slide way, when for longitudinal unbalance loading, described limit coordinate position is the end of longitudinal rail;
Horizontal drive motor receives horizontal unbalance loading coordinate position and transports counterweight and arrives assigned address, and vertical drive motor receives longitudinal unbalance loading coordinate position and transports cross slide way and arrives assigned address.
9. elevator self-balancing control method according to claim 8, is characterized in that, with the center of hanging for fulcrum, suppose that offset loading force is P, offset loading force is H3 to the distance of fulcrum, then the moment that offset loading force produces is P × H3;
When described offset loading force is rear side unbalance loading, above sensor pressurized on rear side of two elevator guide shoes, power is respectively F1, F2, and F1, F2 are H1 to the distance of fulcrum, then the moment that the sensor above on rear side of two elevator guide shoes produces is F1 × H1+F2 × H1; Sensor pressurized below on front side of two elevator guide shoes, power is respectively F3, F4, and F3, F4 are H2 to the distance of fulcrum, then the moment that the sensor below on front side of two elevator guide shoes produces is F3 × H2+F4 × H2;
By stress balance, obtain P × H3=F1 × H1+F2 × H1+F3 × H2+F4 × H2;
Requirement car balances, then elevator guide shoe stressed F1, F2, F3, F4 is 0, and known counterweight amount is F, counterweight and movable parts center of gravity need be regulated to L, known, P × H3=F × L, i.e. F × L=F1 × H1+F2 × H1+F3 × H2+F4 × H2 by stress balance;
Obtain coordinate position L=(F1 × H1+F2 × H1+F3 × H2+F4 × H2)/F.
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