CN113023526A - Traction type multi-car circulating running elevator and control method - Google Patents
Traction type multi-car circulating running elevator and control method Download PDFInfo
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- CN113023526A CN113023526A CN202110323760.6A CN202110323760A CN113023526A CN 113023526 A CN113023526 A CN 113023526A CN 202110323760 A CN202110323760 A CN 202110323760A CN 113023526 A CN113023526 A CN 113023526A
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- 230000001174 ascending effect Effects 0.000 claims abstract description 56
- 238000013519 translation Methods 0.000 claims description 35
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 claims 1
- 239000000725 suspension Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
- B66B9/003—Kinds or types of lifts in, or associated with, buildings or other structures for lateral transfer of car or frame, e.g. between vertical hoistways or to/from a parking position
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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
- B66B11/0005—Constructional features of hoistways
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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
- B66B11/0045—Arrangement of driving gear, e.g. location or support in the hoistway
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
- B66B9/06—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces
- B66B9/08—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces associated with stairways, e.g. for transporting disabled persons
- B66B9/0807—Driving mechanisms
- B66B9/0823—Screw and nut
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Automation & Control Theory (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Elevator Control (AREA)
Abstract
The invention provides a traction type multi-car circulating operation elevator and a control method, wherein an ascending well is arranged for upward operation of a car, and a descending well is arranged for downward operation of the car; the rail changing hoistway enables the two vertical rails to be communicated; the rail changing mechanism is arranged in the rail changing hoistway and can drive the lift car to be switched between an ascending hoistway and a descending hoistway; each lift car corresponds to one set of traction system, the traction ropes are connected with the lift cars through the unhooking mechanism, when the lift cars move to the rail changing hoistway, the traction ropes are separated from the lift cars through the unhooking mechanism, rail changing is completed under the driving of the rail changing mechanism, then the traction ropes are connected with the lift cars through the unhooking mechanism, and the operation is continued, so that the operation is repeated. According to the invention, the vertical shafts are functionally divided, and the unhooking mechanism is utilized to skillfully avoid the conflict between the hauling ropes when the rails are changed, so that a plurality of cars circularly run in at least two shafts, the vertical transportation efficiency of the elevator is improved, and the occupied area of the elevator shafts is reduced.
Description
Technical Field
The invention belongs to the technical field of elevators, and particularly relates to a traction type multi-car circulating running elevator and a control method.
Background
Along with the development of society and the progress of engineering technology, people tend to expand high-rise space more and more high-rise buildings and even super high-rise buildings are pulled out of the ground, in order to meet the transportation requirements of the high-rise buildings, the elevator technology is also developing day by day, but because a lift car of a traditional elevator occupies a shaft, along with the increase of the height of the buildings, the transportation efficiency of the elevator is greatly reduced, dozens of or even more than ten elevators have to be arranged in some super high-rise buildings to meet the transportation requirements, therefore, the area occupied by the elevator is larger and larger, the use area of the buildings is further reduced, and the cost is not saved.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the traction type multi-car circulating operation elevator and the control method thereof are provided, the utilization rate of an elevator shaft is improved, and the occupied area of the elevator is reduced.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a many cars of traction formula circulate and move elevator, this elevator includes:
the elevator system comprises at least two vertical shafts arranged in a building, wherein each vertical shaft comprises at least one ascending shaft and one descending shaft, the ascending shafts and the descending shafts are parallel and adjacent to each other, a middle wall body is arranged between the vertical shafts, the ascending shafts are mainly used for the upward movement of a car, and the descending shafts are mainly used for the downward movement of the car;
the rail changing well is at least arranged at the topmost layer and the bottommost layer of the vertical well, so that the two vertical rails are communicated;
the rail replacing mechanism is arranged in a rail replacing shaft and comprises an upper rail replacing mechanism positioned at the topmost layer and a lower rail replacing mechanism positioned at the bottommost layer, the upper rail replacing mechanism is used for carrying the car from an ascending shaft to an adjacent descending shaft, and the lower rail replacing mechanism is used for carrying the car from the descending shaft to the adjacent ascending shaft, so that the rail replacing of the car is completed, and the circulating operation of a plurality of cars in a vertical shaft is realized; a jacking device is arranged in the rail replacing mechanism and used for jacking the car in the rail replacing process;
the car system comprises cars, each car corresponds to a set of special traction system and a set of special counterweight system and circularly runs in the vertical shaft and the rail replacing shaft;
the traction system comprises a traction machine, a traction rope and a unhooking mechanism, wherein one end of the traction rope is connected with a counterweight, the other end of the traction rope is divided into two strands of sub-traction ropes after bypassing a rope wheel of the traction machine, the two strands of sub-traction ropes are respectively led into an upper hoistway and a lower hoistway, the tail ends of the two strands of sub-traction ropes are respectively provided with the unhooking mechanism used for being connected with a car, and when one strand of sub-traction rope is connected with the car and runs in the hoistway, the other strand of sub-traction rope is unloaded and runs in the hoistway synchronously; the sub-hoisting rope is separated from the car through the unhooking mechanism after the car runs to the rail replacing mechanism, the car completes rail replacement under the driving of the rail replacing mechanism, and then the sub-hoisting rope is connected with the car through the unhooking mechanism;
the counterweight system comprises the counterweight and is used for balancing the weight of the car, the unhooking mechanism and part of live load;
the guide system comprises a car guide rail, a sub-hoisting rope guide rail and a counterweight guide rail, wherein the top and the bottom of the sub-hoisting rope guide rail are respectively provided with a limiting device which is used for replacing the car to balance the weight of the counterweight when the car is horizontally moved and the rail is changed after the car is separated from the hoisting rope;
and the control system controls the operation of the car in the vertical shaft, the operation of the rail replacing mechanism and the operation and scheduling of a plurality of cars, so that the operation safety of the car is guaranteed.
According to the scheme, the rail replacing mechanism comprises a translation frame, a translation guide rail and a driving device, the translation frame is connected with the translation guide rail through a sliding block, so that the cage is carried to walk along the guide rail, and the driving device provides walking power.
According to the scheme, the translation frame is internally provided with the same car guide rail as that in the vertical shaft, so that the car directly moves into the translation frame, and the car guide rail is used for limiting the horizontal movement of the car; the jacking device is arranged in the translation frame, and the vertical jacking device capable of self-locking is used for supporting the car after the car moves to the translation frame and drives the car to ascend for a certain distance, so that the car is conveniently separated from the hoisting rope.
According to the scheme, the translation frame is a space frame structure which can be used for the car to move to the interior of the translation frame.
According to the scheme, the vertical jacking device is a hydraulic oil cylinder or a screw rod lifter with a self-locking function.
According to the scheme, the guide rail is a linear guide rail.
According to the scheme, the driving mode of the driving device is a ball screw or a gear rack.
According to the scheme, the unhooking mechanism comprises a lifting appliance connected to the end part of the hoisting rope and a telescopic rod arranged on the lift car, the telescopic rod extends out to be connected with the lifting appliance, and the telescopic rod is retracted to be separated from the lifting appliance.
According to the scheme, the tail end of the sub hoisting rope is connected with the lifting appliance, the guide rail of the sub hoisting rope is the guide rail of the lifting appliance, the stable operation of the lifting appliance along a vertical well is ensured, and the limiting device is a movable baffle arranged at the top and the bottom of the guide rail of the lifting appliance and used for limiting the movement of the lifting appliance when the car changes the rail and ensuring the smooth passing of the lifting appliance when the car moves up and down.
The control method of the traction type multi-car circulating running elevator comprises the following steps:
an uplink step: the sub-hoisting ropes in the ascending shaft are connected with the car, the sub-hoisting ropes in the descending shaft are in no-load, and under the balance action of the counterweight, the hoisting machine drives the sub-hoisting ropes in the ascending shaft and the descending shaft simultaneously, so that the car is driven to move upwards in the ascending shaft;
an uplink-downlink step: the elevator car moves to the top rail replacing mechanism at the topmost layer along the ascending shaft, the traction machine stops working, the position of the sub traction rope is fixed by the limiting device, and the traction rope is prevented from slipping due to unbalanced weight at two sides of the traction machine when the elevator car is subjected to stress conversion; the lifting device in the rail replacing mechanism lifts the car for a certain distance, at the moment, two strands of sub-hoisting ropes are in an idle state, the unhooking mechanism positioned in the ascending shaft enables the sub-hoisting ropes in the ascending shaft to be separated from the car, the upper rail replacing mechanism carries the car to one side of the descending shaft, the unhooking mechanism positioned in the descending shaft enables the sub-hoisting ropes in the descending shaft to be connected with the car, and the lifting device in the rail replacing mechanism drives the car to descend for a certain distance, so that the sub-hoisting ropes in the descending shaft are stressed, and rail replacement is completed;
a downlink step: the sub-hoisting ropes in the descending shaft are connected with the car, the sub-hoisting ropes in the ascending shaft are in no-load, and under the balance action of the counterweight, the hoisting machine drives the sub-hoisting ropes in the ascending shaft and the descending shaft simultaneously, so that the car is driven to move downwards in the descending shaft;
a step of downlink to uplink: the elevator car runs into the bottommost lower rail replacing mechanism along the descending hoistway, the traction machine stops working, the position limiting device fixes the position of the sub traction rope, and the traction rope is prevented from slipping due to unbalanced weight on two sides of the traction machine when the elevator car is subjected to stress conversion; the lifting device in the rail replacing mechanism lifts the car for a distance, at the moment, two strands of sub-hoisting ropes are in an idle state, the unhooking mechanism positioned in the descending well enables the sub-hoisting ropes in the descending well to be separated from the car, the lower rail replacing mechanism carries the car to one side of the ascending well, the unhooking mechanism positioned in the ascending well enables the sub-hoisting ropes in the ascending well to be connected with the car, and the lifting device in the rail replacing mechanism drives the car to descend for a distance so that the sub-hoisting ropes in the ascending well are stressed, and rail replacing is finished.
The invention has the beneficial effects that:
the function division is carried out on the vertical shaft, the single vertical shaft is mainly used for ascending or descending, connection and disconnection between the hauling ropes and the cars are conveniently realized by utilizing the unhooking mechanism during rail replacement, conflict between the hauling ropes is ingeniously avoided, so that multiple cars can circularly run in the vertical shaft, the current situation that only one car can run in the single shaft of the traditional elevator is changed, the problems of low elevator shaft utilization rate, large building area occupation, insufficient carrying capacity and the like are solved, and the running quality of the high-rise and super high-rise building elevator is improved.
Drawings
FIG. 1 is an elevation view of the overall structure of the present invention
FIG. 2 is a flow chart of the circulation operation of a single cage
FIG. 3 is a top view of the rail replacing mechanism
FIG. 4 is a single suspension point asymmetric suspension plane layout diagram
FIG. 5 is a plane layout diagram of a double-hanging point symmetrical suspension
FIG. 6 is a schematic view of the overall structure of an exemplary embodiment
In the figure: 1.1-lower hoistway, 1.2-upper hoistway, 1.3-lower hoistway, 1.4-upper hoistway, 2-car, 3.1-traction machine, 3.2-unhooking mechanism, 3.2.1-telescopic rod, 3.2.2-spreader, 3.3-guide wheel, 3.4-traction rope, 3.4.1-upper hoistway sub-traction rope, 3.4.2-lower hoistway sub-traction rope, 4.1-translational frame, 4.1.1-jacking device, 4.2-translational guide rail, 4.2.1-slide block, 4.3-driving device, 5-counterweight, 6-guide rail, 6.1-car guide rail, 6.2-spreader guide rail, 6.3-counterweight guide rail, 7-building structure.
Detailed Description
The invention is further illustrated by the following specific examples and figures.
As shown in fig. 1, the invention provides a traction type multi-car circulation running elevator and a control method, at least two vertical hoistways arranged in a building comprise at least one ascending hoistway 1.2 and one descending hoistway 1.1, the ascending hoistway 1.2 and the descending hoistway 1.1 are parallel and adjacent to each other, the ascending hoistway 1.2 is used for the car 2 to run upwards, and the descending hoistway 1.1 is used for the car 2 to run downwards. And a guide rail 6 for guiding the car 2 to move up and down is arranged in the vertical shaft, so that the guide function is realized for the up-and-down movement of the car 2.
The rail replacing well comprises an upper rail replacing well 1.4 and a lower rail replacing well 1.3, the upper rail replacing well is arranged at the topmost layer of the vertical well, and the lower rail replacing well 1.3 is arranged at the bottommost layer of the vertical well, so that the two vertical wells are communicated; the rail-changing well can be additionally arranged at any middle layer, so that the dispatching is improved. Rail mechanism trades, sets up in trading the rail well, including being located the last rail mechanism trades of topmost layer with be located the lower rail mechanism trades of bottommost layer, goes up rail mechanism trades and is used for carrying 2 cars from ascending well 1.2 to adjacent descending well 1.1, trades rail mechanism down and is used for carrying 2 cars from descending well 1.1 to adjacent ascending well 1.2 to realize the circulation operation of many cars between different wells.
Each car 2 corresponds to a set of dedicated traction systems 3.1, 3.2, 3.3, 3.4 and a set of dedicated counterweight systems 5.
The traction system comprises a traction machine 3.1, a traction rope 3.4 and a unhooking mechanism 3.2, wherein one end of the traction rope 3.4 is connected with a counterweight 5, the other end of the traction rope is divided into two sub traction ropes 3.4.1 and 3.4.2 after bypassing a rope sheave of the traction machine 3.1, the two sub traction ropes 3.4.1 and 3.4.2 are respectively introduced into an upper hoistway 1.2 and a lower hoistway 1.1, the tail ends of the two sub traction ropes 3.4.1 and 3.4.2 are respectively provided with the unhooking mechanism 3.2 used for being connected with the car 2, when one sub traction rope 3.4.1 or 3.4.2 is connected with the car to run in the hoistway, the other sub traction rope 3.4.2 or 3.4.1 is unloaded and runs in the hoistway synchronously; the unhooking mechanism 3.2 can realize the connection or disconnection of the sub-hauling ropes 3.4.1 and 3.4.2 and the car 2, when the car 2 runs to the rail replacing mechanism, the sub-hauling ropes 3.4.1 and 3.4.2 are separated from the car 2 through the unhooking mechanism 3.2, the car 2 completes rail replacement under the driving of the rail replacing mechanism, and then the sub-hauling ropes 3.4.1 and 3.4.2 are connected with the car 2 through the unhooking mechanism 3.2. It can be seen structurally that the counterweight 5 "pulls" the sub-hoisting ropes 3.4.1, 3.4.2 in both vertical hoistways simultaneously. Typically the hoisting ropes 3.4 are steel wire ropes.
The guide rails 6 comprise car guide rails 6.1, sub-hoisting rope guide rails and counterweight guide rails 6.3.
As shown in fig. 3, the rail replacing mechanism includes a translation frame 4.1, a translation guide rail 4.2 and a driving device 4.3, the translation frame 4.1 is connected with the translation guide rail 4.2 through a slider 4.2.1, and can carry the car to travel along the guide rail, the driving device 4.3 provides the power for traveling, the translation frame 4.1 is generally a space steel frame, the translation guide rail 4.2 is generally a linear guide rail with higher guiding precision, and can meet the step requirement when the car guide rails are butted, the driving device 4.3 is generally a ball screw with higher stroke precision, and also aims to meet the step requirement when the car guide rails are butted. In this embodiment, linear guide 4.2 and drive arrangement 4.3's one end are fixed structurally, and drive arrangement 4.3's the other end is fixed on translation frame 4.1, and driving motor rotates, drives ball and rotates to drive translation frame reciprocating motion on linear guide.
Furthermore, a car guide rail 6 which is the same as that in the vertical shaft is arranged in the translation frame 4.1, the car 2 can directly move into the translation frame 4.1, and the guide rail 6 can limit the horizontal movement of the car 2; but translation frame 4.1 in still be provided with the vertical jacking device 4.1.1 of auto-lock, after car 2 moves to translation frame 4.1 in, can hold car 2 to can drive car 2 and rise a section distance, make things convenient for car 2 and towline 3.4 to throw off. The jacking mechanism 4.1.1 in the embodiment is a spiral elevator, a screw rod of the spiral elevator can extend and shorten, and can also rotate 90 degrees, so that the operation of the car 2 in the translation frame 4.1 is not influenced while the function of jacking or falling the car 2 is realized.
Further, the unhooking mechanism 3.2 comprises a lifting appliance 3.2.2 connected to the end part of the hoisting rope 3.4 and an expansion link 3.2.1 arranged on the car 2, wherein the expansion link 3.2.1 extends out to be connected with the lifting appliance 3.2.2, and the expansion link 3.2.1 is retracted to be disconnected with the lifting appliance 3.2.2.
More specifically, the sub-hoisting rope guide rail is actually the guide rail 6.2 of the lifting appliance 3.2.2, so that the lifting appliance 3.2.2 stably runs along a vertical well, the top and the bottom of the guide rail 6 are respectively provided with the movable baffle 3.2.3, the movable baffle can limit the movement of the lifting appliance 3.2.2 when the car 2 changes the rail, and the movable baffle can ensure that the lifting appliance 3.2.2 smoothly passes through when the car 2 runs up and down. The movable baffle 3.2.3 plays a role in limiting, and other limiting devices can be adopted.
In this embodiment, when the car 2 moves to the upper rail-changing hoistway 1.4, the car decelerates to 0, and reaches a flat floor, the movable baffle 3.2.3 on the upper portion of the guide rail 6 acts first to limit the movement of the lifting appliance 3.2.2, then the lifting device 4.1.1 in the translation frame 4.1 drives the car to lift by 5cm, at this time, the sub-hoist rope 3.2.1 is in an idle state, the load of the car 2 is transmitted to the translation frame 4.1 by the lifting device 4.1.1 and then to the linear guide rail 4.2, the movable baffle 4.2.3 provides a vertical downward force for the lifting appliance 3.2.2, the weight of the counterweight 5 is balanced, at this time, the working readiness before unhooking is achieved, the telescopic rod 3.2.1 retracts to be separated from the lifting appliance 3.2.2, then the translation frame 4.1 carries the car 2 to move horizontally along the linear guide rail 4.2, and after reaching a specified position, the telescopic rod 3.2.1 extends out of the lifting appliance connected with the sub-hoist rope 3.4.2, the lifting device returns to the movable baffle 4.1, and the lifting appliance is opened, and the lifting appliance. The car 2 travels downwards and the translating frame 4.1 is then returned to the initial position corresponding to the upper run shaft 1.2 ready to carry the next car 2.
Fig. 4 shows a scheme of single-point asymmetric suspension of four cars, wherein a counterweight 5 is positioned at the left and right sides of an ascending hoistway 1.2 and a descending hoistway 1.1, and each car 2 is provided with a telescopic rod 3.2.1, which belongs to a scheme of single-point asymmetric suspension and is one of good solutions of the invention.
Fig. 5 shows a double-point symmetrical suspension scheme of four cars, wherein a counterweight 5 is positioned at the back of the cars 2, and two telescopic rods 3.2.1 are arranged on each car 2, which belongs to a double-point symmetrical suspension scheme and is another good example of the invention.
The control method is the same as that of the descending shaft 1.1 to the ascending shaft 1.2.
The number of the cages (limited) and the corresponding traction system and the counterweight system can be increased arbitrarily in the shaft within the allowable space range.
The traction type multi-car circulating operation elevator and the control method thereof have the elevator circulating operation process shown in figure 2, and the method comprises the following steps:
an uplink step: the sub-hoisting rope 3.4.1 in the ascending hoistway 1.2 is connected with the car 2, the sub-hoisting rope 3.4.2 in the descending hoistway 1.1 is unloaded, and under the balance action of the counterweight 5, the hoisting machine 3.1 drives the sub-hoisting ropes 3.4.1 and 3.4.2 in the ascending hoistway 1.2 and the descending hoistway 1.1 simultaneously, so that the car 2 is driven to move upwards in the ascending hoistway 1.2;
an uplink-downlink step: the lift car 2 moves to the top rail replacing mechanism at the topmost layer along the ascending shaft 1.2, the traction machine 3.1 stops working, the movable baffle 3.2.3 fixes the position of the lifting appliance 3.2.2, and the traction ropes 3.4 are prevented from slipping due to unbalanced weight at two sides of the traction machine 3.1 when the lift car 2 is subjected to stress conversion. The car 2 is jacked for a certain distance by a jacking device 4.1.1 in the rail replacing mechanism, at the moment, two sub hoisting ropes 3.4.1 and 3.4.2 are in an idle load state, a telescopic rod 3.2.1 of a unhooking mechanism 3.2 positioned in an ascending well 1.2 is retracted, so that the sub hoisting rope 3.4.1 in the ascending well 1.2 is separated from the car 2, the upper rail replacing mechanism carries the car 2 to one side of a descending well 1.1, the telescopic rod 3.2.1 of the unhooking mechanism 3.2 positioned in the descending well 1.1 extends out, so that the sub hoisting rope 3.2.2 in the descending well 1.1 is connected with the car 2, the jacking device 4.1.1 in the rail replacing mechanism drives the car 2 to descend for a certain distance, so that a sub hoisting rope 3.4.2 in the descending well 1.1 is stressed, and rail replacing is completed;
a downlink step: the sub-hoisting rope 3.4.2 in the descending hoistway 1.1 is connected with the car 2, the sub-hoisting rope 3.4.1 in the ascending hoistway 1.2 is unloaded, and under the balance action of the counterweight 5, the hoisting machine 3.1 drives the sub-hoisting ropes 3.4.1 and 3.4.2 in the ascending hoistway 1.2 and the descending hoistway 1.1 simultaneously, so that the car 2 is driven to move downwards in the descending hoistway 1.1;
a step of downlink to uplink: the lift car 2 moves to the bottommost lower rail replacing mechanism along the descending hoistway 1.1, the traction machine 3.1 stops working, the movable baffle 3.2.3 fixes the position of the lifting appliance 3.2.2, and the traction rope 3.4 is prevented from slipping due to unbalanced weight on two sides of the traction machine 3.1 when the lift car 2 is subjected to stress conversion. The car 2 is jacked for a certain distance by a jacking device 4.1.1 in the rail changing mechanism, at the moment, two sub hoisting ropes 3.4.1 and 3.4.2 are in an idle load state, a telescopic rod 3.2.1 of a unhooking mechanism 3.2 of a descending hoistway 1.1 is retracted, so that the sub hoisting rope 3.4.2 in the descending hoistway 1.1 is separated from the car 2, the car 2 is carried to one side of the ascending hoistway 1.2 by a lower rail changing mechanism, the telescopic rod 3.2.1 of the unhooking mechanism 3.2 of the ascending hoistway 1.2 extends out, so that the sub hoisting rope 3.4.1 in the ascending hoistway 1.2 is connected with the car 2, and the jacking device 4.1.1 in the rail changing mechanism drives the car 2 to descend for a certain distance, so that the sub hoisting rope 3.4.1 in the ascending hoistway 1.2 is stressed, and rail changing is completed.
The above embodiments are merely illustrative of the design concepts and features of the present invention, which are intended to enable those skilled in the art to understand the content of the present invention and implement the present invention, and the protection scope of the present invention is not limited to the above embodiments. Therefore, all equivalent changes and modifications made in accordance with the principles and concepts disclosed herein are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a many cars of traction formula circulation operation elevator which characterized in that: this elevator includes:
the elevator system comprises at least two vertical shafts arranged in a building, wherein each vertical shaft comprises at least one ascending shaft and one descending shaft, the ascending shafts and the descending shafts are parallel and adjacent to each other, a middle wall body is arranged between the vertical shafts, the ascending shafts are mainly used for the upward movement of a car, and the descending shafts are mainly used for the downward movement of the car;
the rail changing well is at least arranged at the topmost layer and the bottommost layer of the vertical well, so that the two vertical rails are communicated;
the rail replacing mechanism is arranged in a rail replacing shaft and comprises an upper rail replacing mechanism positioned at the topmost layer and a lower rail replacing mechanism positioned at the bottommost layer, the upper rail replacing mechanism is used for carrying the car from an ascending shaft to an adjacent descending shaft, and the lower rail replacing mechanism is used for carrying the car from the descending shaft to the adjacent ascending shaft, so that the rail replacing of the car is completed, and the circulating operation of a plurality of cars in a vertical shaft is realized; a jacking device is arranged in the rail replacing mechanism and used for jacking the car in the rail replacing process;
the car system comprises cars, each car corresponds to a set of special traction system and a set of special counterweight system and circularly runs in the vertical shaft and the rail replacing shaft;
the traction system comprises a traction machine, a traction rope and a unhooking mechanism, wherein one end of the traction rope is connected with a counterweight, the other end of the traction rope is divided into two strands of sub-traction ropes after bypassing a rope wheel of the traction machine, the two strands of sub-traction ropes are respectively led into an upper hoistway and a lower hoistway, the tail ends of the two strands of sub-traction ropes are respectively provided with the unhooking mechanism used for being connected with a car, and when one strand of sub-traction rope is connected with the car and runs in the hoistway, the other strand of sub-traction rope is unloaded and runs in the hoistway synchronously; the sub-hoisting rope is separated from the car through the unhooking mechanism after the car runs to the rail replacing mechanism, the car completes rail replacement under the driving of the rail replacing mechanism, and then the sub-hoisting rope is connected with the car through the unhooking mechanism;
the counterweight system comprises the counterweight and is used for balancing the weight of the car, the unhooking mechanism and part of live load;
the guide system comprises a car guide rail, a sub-hoisting rope guide rail and a counterweight guide rail, wherein the top and the bottom of the sub-hoisting rope guide rail are respectively provided with a limiting device which is used for replacing the car to balance the weight of the counterweight when the car is horizontally moved and the rail is changed after the car is separated from the hoisting rope;
and the control system controls the operation of the car in the vertical shaft, the operation of the rail replacing mechanism and the operation and scheduling of a plurality of cars, so that the operation safety of the car is guaranteed.
2. The traction type multi-car circulation running elevator according to claim 1, characterized in that: the rail replacing mechanism comprises a translation frame, a translation guide rail and a driving device, the translation frame is connected with the translation guide rail through a sliding block so as to carry the lift car to walk along the guide rail, and the driving device provides walking power.
3. The traction type multi-car circulation running elevator according to claim 2, characterized in that: the translation frame is internally provided with a car guide rail which is the same as that in the vertical shaft, so that the car directly moves into the translation frame, and the car guide rail is used for limiting the horizontal movement of the car; the jacking device is a vertical jacking device which is arranged in the translation frame and can be self-locked, and is used for supporting the car after the car runs into the translation frame and driving the car to ascend for a certain distance, so that the car and the hoisting rope can be conveniently separated.
4. The traction type multi-car circulation running elevator according to claim 3, characterized in that: the translation frame be for can supplying the car to move to its inside space frame construction.
5. The traction type multi-car circulation running elevator according to claim 3, characterized in that: the vertical jacking device is a hydraulic oil cylinder or a screw rod lifter with a self-locking function.
6. The traction type multi-car circulation running elevator according to claim 2, characterized in that: the guide rail is a linear guide rail.
7. The traction type multi-car circulation running elevator according to claim 2, characterized in that: the driving device adopts a transmission mode of a ball screw or a gear rack.
8. The traction type multi-car circulation running elevator according to claim 1, characterized in that: the unhooking mechanism comprises a lifting appliance connected to the end of the hoisting rope and a telescopic rod installed on the lift car, the telescopic rod extends out to be connected with the lifting appliance, and the telescopic rod is retracted to be unhooked from the lifting appliance.
9. The traction type multi-car circulation running elevator according to claim 1, characterized in that: the tail end of the sub hoisting rope is connected with a lifting appliance, the guide rail of the sub hoisting rope is the guide rail of the lifting appliance, the stable operation of the lifting appliance along a vertical well is ensured, and the limiting devices are movable baffle plates arranged at the top and the bottom of the guide rail of the lifting appliance and used for limiting the movement of the lifting appliance when the rail of the car is changed and ensuring the smooth passing of the lifting appliance when the car moves up and down.
10. A control method of a traction type multi-car circulation running elevator according to any one of claims 1 to 9, characterized in that: the control method comprises the following steps:
an uplink step: the sub-hoisting ropes in the ascending shaft are connected with the car, the sub-hoisting ropes in the descending shaft are in no-load, and under the balance action of the counterweight, the hoisting machine drives the sub-hoisting ropes in the ascending shaft and the descending shaft simultaneously, so that the car is driven to move upwards in the ascending shaft;
an uplink-downlink step: the elevator car moves to the top rail replacing mechanism at the topmost layer along the ascending shaft, the traction machine stops working, the position of the sub traction rope is fixed by the limiting device, and the traction rope is prevented from slipping due to unbalanced weight at two sides of the traction machine when the elevator car is subjected to stress conversion; the lifting device in the rail replacing mechanism lifts the car for a certain distance, at the moment, two strands of sub-hoisting ropes are in an idle state, the unhooking mechanism positioned in the ascending shaft enables the sub-hoisting ropes in the ascending shaft to be separated from the car, the upper rail replacing mechanism carries the car to one side of the descending shaft, the unhooking mechanism positioned in the descending shaft enables the sub-hoisting ropes in the descending shaft to be connected with the car, and the lifting device in the rail replacing mechanism drives the car to descend for a certain distance, so that the sub-hoisting ropes in the descending shaft are stressed, and rail replacement is completed;
a downlink step: the sub-hoisting ropes in the descending shaft are connected with the car, the sub-hoisting ropes in the ascending shaft are in no-load, and under the balance action of the counterweight, the hoisting machine drives the sub-hoisting ropes in the ascending shaft and the descending shaft simultaneously, so that the car is driven to move downwards in the descending shaft;
a step of downlink to uplink: the elevator car runs into the bottommost lower rail replacing mechanism along the descending hoistway, the traction machine stops working, the position limiting device fixes the position of the sub traction rope, and the traction rope is prevented from slipping due to unbalanced weight on two sides of the traction machine when the elevator car is subjected to stress conversion; the lifting device in the rail replacing mechanism lifts the car for a distance, at the moment, two strands of sub-hoisting ropes are in an idle state, the unhooking mechanism positioned in the descending well enables the sub-hoisting ropes in the descending well to be separated from the car, the lower rail replacing mechanism carries the car to one side of the ascending well, the unhooking mechanism positioned in the ascending well enables the sub-hoisting ropes in the ascending well to be connected with the car, and the lifting device in the rail replacing mechanism drives the car to descend for a distance so that the sub-hoisting ropes in the ascending well are stressed, and rail replacing is finished.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110323760.6A CN113023526B (en) | 2021-03-26 | 2021-03-26 | Traction type multi-car circulating running elevator and control method |
| PCT/CN2022/076018 WO2022199270A1 (en) | 2021-03-26 | 2022-02-11 | Traction elevator having multiple cars running cyclically, and control method |
| DE112022000766.4T DE112022000766T5 (en) | 2021-03-26 | 2022-02-11 | Rope elevator with several cyclically operated elevator cars and control methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110323760.6A CN113023526B (en) | 2021-03-26 | 2021-03-26 | Traction type multi-car circulating running elevator and control method |
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| Publication Number | Publication Date |
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| CN113023526A true CN113023526A (en) | 2021-06-25 |
| CN113023526B CN113023526B (en) | 2022-11-01 |
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| CN202110323760.6A Active CN113023526B (en) | 2021-03-26 | 2021-03-26 | Traction type multi-car circulating running elevator and control method |
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| Country | Link |
|---|---|
| CN (1) | CN113023526B (en) |
| DE (1) | DE112022000766T5 (en) |
| WO (1) | WO2022199270A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114368657A (en) * | 2021-12-31 | 2022-04-19 | 湖南大举信息科技有限公司 | Combined multi-car elevator system |
| WO2022199270A1 (en) * | 2021-03-26 | 2022-09-29 | 中建三局集团有限公司 | Traction elevator having multiple cars running cyclically, and control method |
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- 2021-03-26 CN CN202110323760.6A patent/CN113023526B/en active Active
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- 2022-02-11 WO PCT/CN2022/076018 patent/WO2022199270A1/en active Application Filing
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2022199270A1 (en) | 2022-09-29 |
| CN113023526B (en) | 2022-11-01 |
| DE112022000766T5 (en) | 2023-11-09 |
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