CN212450181U

CN212450181U - Separable double-car elevator

Info

Publication number: CN212450181U
Application number: CN202020758958.8U
Authority: CN
Inventors: 程林林
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-02-02
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses a two sedan-chair lifts of detachable, the elevator include car and lower car, hauler group, assembly pulley, towline, and the left and right sides of lower car upper end is equipped with the assembly pulley respectively, and the one end of towline is installed on the elevator top down, or installs at last car lower extreme, and the other end of towline passes the assembly pulley and is connected with the counterweight block down. The double-car elevator can improve passenger capacity, save operation cost, solve emergency use problems, is safe and stable, and has good market popularization value.

Description

Separable double-car elevator

Technical Field

The utility model relates to a conveyer especially relates to a double car elevator.

Background

With the development of science and technology, the higher the building is, the higher the requirement of elevator carrying capacity is. In order to increase the capacity, the conventional one-shaft transportation is expanded to multi-shaft transportation to increase the capacity by increasing the number of elevator shafts, but the plurality of elevator shafts occupy a large amount of space of the building. Some high-rise buildings have limited building space, and the addition of a plurality of elevator shafts to increase the carrying capacity is unrealistic and needs to meet the requirements in the aspect.

In order to improve the carrying capacity and the transportation efficiency in a limited elevator shaft, the fixed-spacing double-deck elevator can effectively improve the carrying capacity and the transportation capacity, and is applied to ultrahigh buildings. However, when the passenger capacity is in the low peak time period, the structure of the fixed-spacing double-deck elevator increases extra energy consumption, causes resource waste, increases the operation cost, and is uneconomical. Patent No. 2018103220957 discloses a double-deck car elevator with adjustable interval, can adapt to the double-deck car elevator with adjustable interval of low floor height. More owners or staff can be borne during the peak hours of work and work, but the passenger capacity is in the valley hours at ordinary times, extra energy consumption is increased during the operation of the double-deck elevator with the adjustable space, the operation cost is increased, and the economical efficiency is influenced.

Meanwhile, no matter the double-deck elevator with fixed spacing or the double-deck elevator with adjustable spacing, once any one car of the double-deck elevator breaks down, the double-deck cars in the whole hoistway must be shut down at the same time to wait for maintenance, and the normal use or emergency use is seriously influenced.

Therefore, there is an urgent need for a dual-car elevator that can increase passenger capacity and save operation cost, and can solve emergency or urgent needs to be used, so as to solve the above-mentioned deficiencies of the prior art.

SUMMERY OF THE UTILITY MODEL

The defects of the prior art are caused by the fact that the existing double-deck elevator, namely the fixed-spacing double-deck elevator or the spacing-adjustable double-deck elevator, can be used as a whole car to move up and down in the elevator operation process. The utility model discloses an overcome above-mentioned not enough, provide a two sedan-chair lifts of disconnect-type, one kind can promote passenger capacity and can practice thrift the operation cost again, can also provide the two sedan-chair lifts of emergent use scheme, is particularly useful for the high floor, the narrow perpendicular elevator scene of installation space.

The utility model adopts the technical proposal that: the separable double-car elevator comprises an upper car, a lower car, an upper counterweight block and a lower counterweight block, wherein a traction unit is mounted at the top end of the elevator, an upper traction rope is arranged in the center of the upper end of the upper car, one end of the upper traction rope is connected with the upper counterweight block, lower traction ropes are arranged on the left side and the right side of the upper end of the lower car respectively, pulley blocks are arranged on the left side and the right side of the upper end of the lower car respectively, and the lower traction ropes penetrate through the pulley blocks and are connected with the lower counterweight block.

The two ends of the dragging rope are respectively connected with the lift car and the counterweight block and wound on a dragging wheel and a guide wheel of the dragging unit, a dragging motor of the dragging unit drives the dragging wheel to rotate after speed change of a speed reducer, and the lift car and the counterweight block are lifted by traction force generated by applying work of the dragging rope and the dragging wheel, so that the purpose of transporting the lift car is achieved. The top center of the upper cage is connected with an upper hauling rope, and when the upper hauling rope is dragged by the hauling machine set, the upper cage can freely lift. The left side and the right side of the top end of the lower car are symmetrically connected with a lower hauling rope, or can be a hauling rope group consisting of a plurality of hauling ropes. The traction machine set symmetrically pulls the lower traction ropes at the same time, so that the lifting motion of the lower lift car and the counterweight block is realized, and the lower lift car reaches a destination point.

The left side and the right side of the upper end of the lower lift car are respectively provided with a pulley block. One end of a lower traction rope of the connecting pulley block can be selectively arranged at the top layer of the elevator and also can be selectively arranged at the lower end of the upper car. The lower hauling rope passes through the pulley block and is connected with the lower counterweight block. Through the arrangement of the pulley block, the upper and lower double cars can be selected to be operated separately, and can also be selected to be combined into a whole to be operated jointly. When the elevator car is combined into a whole, normal transportation of the double cars in the same elevator can be realized, the passenger capacity can be effectively improved, and the elevator car is particularly suitable for operation in rush hours and rush hours.

When the passenger capacity is low during the valley period at ordinary times, the aim of saving the cost can be fulfilled only by controlling the running of the traction machine set, selecting corresponding partial motors to operate independently and suspending the work of other motors. Or the lower lift car is suspended at the bottom layer of the elevator, and the upper lift car is independently operated between other floors except the bottom layer; or the upper cage is suspended at the top floor of the elevator, only the lower cage is allowed to operate, and the cage operates between floors except the top floor. The double-car elevator designed in this way can not only improve the passenger capacity, but also save the operation cost.

When any one of the double cages has temporary fault, the fault cage can be moved to the top layer or the bottom layer to be repaired, and the other cage continues to operate between other floors to play a role in emergency operation. When the fault car cannot move, the other car can also operate between other partial floors, and partial emergency operation can be performed.

Furthermore, one end of the lower dragging rope is installed at the lower end of the upper car, and the other end of the lower dragging rope penetrates through the pulley block to be connected with the lower counterweight block. Through the arrangement of the pulley block, the traction rope in the pulley block is tightly connected, and the upper car and the lower car can be combined into a whole to be operated jointly. When the passenger flow is in a peak period, the passenger carrying capacity can be carried to the maximum extent, the overall transportation efficiency is improved, and the operation cost can be saved.

Further, the traction machine set consists of an upper traction machine and a lower traction machine, the upper traction machine pulls the upper traction rope to move up and down back and forth, and the lower traction machine pulls the lower traction rope to move up and down back and forth. The traction machines are arranged to independently pull the corresponding traction ropes to move, so that the upper car or the lower car can be effectively ensured to operate independently, and the double cars can be selected to transport simultaneously or only any one car can be selected to transport according to the passenger capacity waiting for transportation, so that the aim of effectively saving the operation cost is fulfilled.

Further, go up the car lower extreme and be equipped with the locking component, car upper end is equipped with the buckle down, the locking component lockable the buckle. The upper car and the lower car can be connected into a whole through the arrangement of the locking component. When the passenger flow is in a peak period, the passenger carrying capacity can be carried to the maximum extent, the overall transportation efficiency is improved, and the operation cost can be saved.

Further, the upper end of the lower car is provided with a buffer component. Set up the buffer member between last car and lower car, can play the effect of moving away to avoid possible earthquakes, can effectively alleviate the impact force that the collision of last car and lower car produced, can improve the operation security of double-car elevator.

Further, the tail end of the buffer component (52) is provided with a buckle. The design has simple structure and is easier to connect the upper car and the lower car into a whole. When the passenger flow is in a peak period, the passenger carrying capacity can be carried to the maximum extent, the overall transportation efficiency is improved, and the operation cost can be saved.

Furthermore, an integrated controller is arranged at the top end of the elevator and used for controlling the traction machine set to operate. Through setting up integrated control ware PLC, realize the automated control function, can guarantee double-car elevator operation safety to effective synchro control of servo hauler.

Further, the left side and the right side of the upper lift car are provided with upper lift car frames, the left side and the right side of the lower lift car are provided with lower lift car frames, and the upper lift car frames and the lower lift car frames are sleeved on the guide rail set and move up and down along the guide rail set. The double-car elevator is ensured to operate stably and ensure the operation safety by respectively limiting the double cars to move along the guide rail direction.

Furthermore, a speed limiting mechanism is arranged in the elevator and comprises a speed limiter and a speed limiting tensioner, the speed limiter is provided with a rope and is installed at the top end of the elevator, and the speed limiting tensioner is installed at the bottom end of the elevator and is used for tensioning the rope. Through the combination of the speed limiter and the speed-limiting tensioner, the elevator car can be effectively prevented from falling, and the safe operation of the double-car elevator is ensured.

Further, the bottom end of the elevator is provided with a buffer. The impact force generated when the lower car collides with the bottom floor of the elevator can be effectively reduced, and the operation safety of the double-car elevator can be improved.

Has the advantages that: through the utility model discloses an implement, can realize safely, high-efficiently that double car elevator operates simultaneously or the function that arbitrary car operated alone. In the peak time of the elevator going on and off duty, the double cars are operated to bear more owners or employees; at the time of the low valley of the passenger carrying capacity at ordinary times, any car is selected to operate independently, and the operation cost can be saved. The utility model discloses a brought one kind for people and can promoted the passenger capacity and can save the operation cost again, still can solve the problem of emergent use, performance safety and stability's double car elevator.

Drawings

Fig. 1 is a schematic structural view of the independent operation state of the present invention;

fig. 2 is a schematic structural diagram of the joint operation state of the present invention;

fig. 3 is a schematic structural view of the emergency operation state of the present invention;

reference numerals: the elevator comprises an upper car 1, an upper car frame 11, a lower car 2, a lower car frame 21, a pulley block 23, an upper hoisting rope 31, a lower hoisting rope 32, an upper hoisting machine 33, a lower hoisting machine 34, an upper counterweight 41, a lower counterweight 42, a locking member 51, a buffering member 52, an integrated controller 6, a guide rail group 7, a speed limiter 81, a speed limiter tensioner 82, a rope 83 and a buffer 9.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments so that the invention may be more clearly and intuitively understood.

Generally, a double-deck elevator is composed of two cars stacked together in the same hoistway, and can be divided into a fixed-pitch double-deck elevator and an adjustable-pitch double-deck elevator. The utility model provides a double-deck elevator of another kind, a two sedan-chairs elevator of detachable, this elevator adopts and tows the drive mode. The traction machine is used as a driving mechanism, a traction rope is hung on a rope wheel of the traction machine, one end of the traction rope suspends the lift car, and the other end of the traction rope suspends the counterweight block. When the traction machine rotates, traction force is generated by the interaction between the traction rope and the rope wheel.

The elevator realizes relative motion by traction force, a motor arranged in a machine room passes through a traction machine consisting of a reduction gearbox, a brake and the like, one end of a traction rope passes through a traction wheel and is connected with a lift car, the other end of the traction rope passes through a counterweight block, the gravity of the lift car and the counterweight block causes the traction rope to be tightly pressed in a rope groove of the traction wheel, and thus, the motor rotates to drive the traction wheel to rotate, drive the traction rope, and drag the lift car and the counterweight block to do relative motion.

Fig. 1 shows an embodiment of the independent operational state of the invention.

As shown in fig. 1, this embodiment provides a split type double-car elevator, in which an upper car 1 and a lower car 2 are installed in a closed elevator, a hoisting machine group is installed at the top end position of the elevator, an upper hoist rope 31 is installed at the center of the upper end of the upper car 1, the other end of the upper hoist rope 31 is connected to an upper counterweight 41, lower hoist ropes 32 are respectively installed at the left and right sides of the upper end of the lower car 2, the other end of the lower hoist rope 32 is connected to a lower counterweight 42, and the hoisting machine group tows the upper hoist rope 31 and the lower hoist rope 32 to reciprocate up and down. The two ends of the upper dragging rope 31 and the lower dragging rope 32 are respectively connected with the respective lift car and the counterweight block and wound on the traction machine set, the traction machine set traction machine drives the traction sheave to rotate after the speed of the speed reducer is changed, and the lift car and the counterweight block are lifted by the traction force generated by the traction rope and the traction sheave to achieve the purpose of lift car transportation. An upper hoist rope 31 is connected to the center of the top end of the upper car 1, and the upper car 1 can be freely lifted and lowered when the upper hoist rope 31 is pulled by the hoist unit. Lower hoisting ropes 32 are symmetrically connected to the left and right sides of the top end of the lower car 2, and a hoisting rope group consisting of a plurality of hoisting ropes is selected, wherein the number of strands is more than 2, and preferably even number of strands. When the traction machine set simultaneously and symmetrically pulls the lower traction ropes 32, the lifting motion of the lower car 2 and the lower counterweight 42 is realized, and the lower car 2 reaches a destination point. The traction machine group is composed of a plurality of traction machines, wherein one traction machine group pulls the upper traction rope 31 to move up and down back and forth, and the other traction machine group pulls the lower traction rope 32 to move up and down back and forth.

The left side and the right side of the upper lift car 1 are provided with upper lift car frames 11, the left side and the right side of the lower lift car 2 are provided with lower lift car frames 21, and the upper lift car frames 11 and the lower lift car frames 22 are sleeved on the guide rail group 7 and move up and down along the guide rail group 7. The double-car elevator is ensured to operate stably and ensure the operation safety by respectively limiting the double cars to move along the guide rail direction.

The embodiment is also provided with an integrated controller 6 at the top end of the elevator, which controls the running of the traction machine set. Through setting up integrated control ware PLC, realize the automated control function, can guarantee double-car elevator operation safety to effective synchro control of servo hauler. The elevator is internally provided with a speed limiting mechanism which consists of a speed limiter 81 and a speed limiting tensioner 82, wherein the speed limiter 81 is provided with a rope 83 and is arranged at the top end of the elevator, and the speed limiting tensioner 82 is arranged at the bottom end of the elevator and is used for tensioning the rope 83. Through the combination of the speed limiter 81 and the speed limit tensioner 82, the falling of the upper car 1 or the lower car 2 can be effectively prevented, and the safe operation of the double-car elevator is ensured.

The upper end of the lower car 2 is provided with a buffer member 52. The buffer component 52 arranged between the upper car 1 and the lower car 2 can play a role of shock absorption, can effectively buffer the impact force generated by the collision of the upper car 1 and the lower car 2, and can improve the operation safety of the double-car elevator. The bottom end of the elevator is also provided with a buffer 9. The impact force generated when the lower car 2 collides with the bottom floor of the elevator can be effectively reduced, and the operation safety of the double-car elevator can be improved.

When the elevator is in the low valley period of usual passenger capacity, different traction machines are arranged to independently draw corresponding traction ropes to move, the embodiment can ensure that the upper cage 1 or the lower cage 2 respectively and independently operate,

according to the embodiment, due to the fact that the unique double-car separation structure is arranged, the traction machines of the traction machine set are used for synchronous operation, the different traction machines are arranged to independently pull the corresponding traction ropes to move, normal transportation of the double cars in the same elevator can be achieved, and passenger capacity transportation in peak time can be effectively guaranteed.

Fig. 2 shows an embodiment of the joint operation state of the invention.

As shown in fig. 2, this embodiment provides a split type double-car elevator, in which a locking member 51 is provided at the lower end of an upper car 1, and the locking member 51 can lock the upper end of a lower car 2, based on the embodiment shown in fig. 1. The upper end of the lower car 2 is provided with a buffer member 52, the end of the buffer member 52 is provided with a catch, and the locking member 52 can lock the catch at the upper end of the lower car 2. The upper car 1 and the lower car 2 are integrally connected by the provision of the lock member 52. The traction machine group is composed of two traction machines, wherein one traction machine pulls the upper traction rope 31 to move up and down back and forth, and the other traction machine pulls the lower traction rope 32 to move up and down back and forth.

Pulley blocks 23 are respectively arranged at the left side and the right side of the upper end of the lower cage 2, one end of a lower dragging rope 32 can be arranged at the lower end of the upper cage 1, and the other end passes through the pulley blocks 23 to be connected with a lower counterweight 42. The pulley block 23 is arranged to connect the upper cage 1 and the lower cage 2 into a whole. And in combination with the arrangement of the pulley block 23, the traction machine set can realize combined operation only by arranging two traction machines.

When the elevator is in the peak time of the passenger flow on duty and off duty, the upper and lower double cars are preferably locked into a whole by the locking member 51, and the elevator is regarded as an increased single-car elevator operation, so that the locking is safer, the operation is more convenient, the overall planning is better, and the efficiency is higher.

Because the embodiment is provided with the unique double-car locking component, the elevator car locking component is particularly suitable for operation in the peak time of the elevator going to and from work, thereby not only bearing the passenger capacity to the maximum extent, improving the efficiency of the whole transportation, but also saving the operation cost.

Fig. 3 shows an embodiment of the emergency operation state of the invention.

As shown in fig. 3, this embodiment provides a separable double-car elevator based on the embodiment shown in fig. 1, and preferably moves the upper car 1 with a fault to the top floor of the elevator, and the lower car 2 in normal operation can reach other floors except the top floor, and passengers on all floors except the top floor can normally travel. In the same way, after the lower car 2 with the fault is moved to the bottom floor of the elevator, the upper car 1 which normally operates can reach other floors except the bottom floor, and passengers on all floors except the top floor can normally travel.

Because the embodiment is provided with the unique double-car separation structure, when any car of the double cars has a temporary fault, only the fault car needs to be moved to the top layer or the bottom layer to be repaired, and the other car can continue to operate between other floors to play a role in emergency operation. When the fault car is immovable, the other car can continue to operate among other partial floors, and partial emergency operation can be performed.

To sum up, the utility model discloses according to what of the passenger capacity of waiting for the transportation, select two cars simultaneous combined transportation, perhaps only select arbitrary one car to transport alone. Or the lower cage can be suspended at the bottom layer of the elevator, and the upper cage can be independently and continuously operated between other floors except the bottom layer; or the upper car may be suspended at the top floor of the elevator and the lower car may continue to operate between floors other than the top floor.

The utility model discloses have apparent progress, the utility model discloses can realize safely, high-efficiently that double car elevator operates simultaneously or the function of arbitrary car alone operation, at the peak period of working on the elevator, operate simultaneously two cars and can bear more owners or staff, at the time of the low ebb of carrying passenger volume at ordinary times, select arbitrary car to operate alone, can practice thrift the operation cost. The utility model discloses brought one kind for people and can promoted the passenger capacity and can save the operation cost again, can also solve emergent use problem, the double car elevator of safety and stability has fine market spreading value.

The above description is only the preferred embodiment of the present invention, and the changes of the equivalent shape or the equivalent structure made by the contents of the description and the drawings of the present invention should be understood as being within the protection scope of the present invention.

Claims

1. The separable double-car elevator comprises an upper car (1), a lower car (2), an upper counterweight block (41) and a lower counterweight block (42), and is characterized in that a traction machine set is installed at the top end of the elevator, an upper traction rope (31) is arranged in the center of the upper end of the upper car (1), one end of the upper traction rope (31) is connected with the upper counterweight block (41), lower traction ropes (32) are respectively arranged on the left side and the right side of the upper end of the lower car (2), pulley blocks (23) are respectively arranged on the left side and the right side of the upper end of the lower car (2), and the lower traction rope (32) penetrates through the pulley blocks (23) to be connected with the lower counterweight block (42).

2. The separable double-car elevator according to claim 1, wherein the lower hoist rope (32) has one end installed at the lower end of the upper car (1) and the other end connected to a lower counter weight (42) through the sheave block (23).

3. The separable double-car elevator according to claim 1, wherein the traction machine group is composed of an upper traction machine (33) and a lower traction machine (34), the upper traction machine (33) pulls the upper traction rope (31) to reciprocate up and down, and the lower traction machine (34) pulls the lower traction rope (32) to reciprocate up and down.

4. Separable double-car elevator according to claim 1, characterized in that the upper car (1) is provided with a locking member (51) at its lower end and a catch at its upper end, said locking member (51) locking said catch.

5. The separable double-car elevator according to claim 1, wherein the upper end of the lower car (2) is provided with a buffering member (52).

6. Separable double-car elevator according to claim 5, characterized in that the ends of the buffer members (52) are provided with catches.

7. Separable double-car elevator according to claim 1, wherein an integrated controller (6) is provided on the top end of the elevator, and the integrated controller (6) controls the operation of the traction machine group.

8. The separable double-car elevator according to claim 1, wherein an upper car frame (11) is provided on each of left and right sides of the upper car (1), a lower car frame (21) is provided on each of left and right sides of the lower car (2), and the upper car frame (11) and the lower car frame (21) are sleeved on the guide rail set (7) and move up and down along the guide rail set (7).

9. The separable double-car elevator according to claim 1, wherein a speed limiting mechanism is arranged in the elevator, the speed limiting mechanism is composed of a speed limiter (81) and a speed limiting tensioner (82), the speed limiter (81) is provided with a rope (83) and is installed at the top end of the elevator, and the speed limiting tensioner (82) is installed at the bottom end of the elevator and tensions the rope (83).

10. Separable double-car elevator according to claim 1, wherein said bottom end of the elevator is provided with a buffer (9).