CN203112299U

CN203112299U - Dual-drive elevator

Info

Publication number: CN203112299U
Application number: CN 201320106035
Authority: CN
Inventors: 黄柏森
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-03-08
Filing date: 2013-03-08
Publication date: 2013-08-07
Anticipated expiration: 2023-03-08

Abstract

A dual-drive elevator comprises a lift car, a counter weight set, a transmission device and a driving device, wherein the transmission device drives the lift car and the counter weight set through steel wire ropes, a driving main engine of the driving device is arranged on the counter weight set, operating chains of the driving device are sleeved on an auxiliary driving wheel set and a tensioning wheel set which are located on the top of a well and on the bottom of the well respectively in a surrounding mode, a chain on one side penetrates through the driving wheel set driven by the driving main engine in a surrounding mode, and the driving device is further provided with an auxiliary driver capable of driving the auxiliary driving wheel set. When the dual-drive elevator is used normally, the driving main engine rotates in a forward direction or in a reversed direction to enable relative displacement to be generated between the driving main engine and the operating chains, the counter weight set is driven to rise and fall, the lift car is driven to rise and fall in the opposite direction through the transmission device, and then the transporting function of the elevator is achieved. When breakdown of system components or outage occurs, the standby auxiliary driver can be started to drive the operating chains to move the lift car to a safe floor so that a passenger can escape successfully and quickly.

Description

Two driving elevators

Technical field

The utility model relates to a kind of elevator that is applied to building, particularly relates to a kind of two driving elevators that have additional standby assistive drive machine.

Background technology

Existing elevator is to be arranged in the lifting hoistway of building, as shown in figure 12, generally comprise steel rope 92 and that actuating device 91, that a car 90, that liftably is arranged at hoistway is arranged at well headroom connects this car 90 and this actuating device 91 be connected in this steel rope 92 to the structures such as 93 of recombinating; Wherein, this actuating device 91 has one and drives main frame 911, in the axle drive shaft of this driving main frame 911 be provided with one for this steel rope 92 around traction sheave 912, one end of this steel rope 92 is consolidated in well headroom, after then walking around one group of car assembly pulley 901 that is positioned at these car 90 bottoms, this traction sheave 912 and one group in regular turn and being positioned at this counterweight assembly pulley 931 to 93 tops of recombinating, again the other end is consolidated in well headroom; So, this driving main frame 911 can utilize this traction sheave 912 to drive this steel rope 92, and then reaches these car 90 generation risings of driving, descends or stop the location.

91 of the actuating devices of existing elevator as shown in figure 12 arrange a driving main frame 911, when unexpected situations such as the parts system failure or generation outage, the safety apparatus of existing elevator can be automatically with these traction sheave 912 lockings, allow this car 90 can't lifting moving, use and avoid taking place the problem that this car 90 falls, yet when these car 90 locked can't movements, will cause the occupant to be enclosed in for a long time in this car 90, or the occupant must climb escape, not only can cause occupant's body and mind injury, and dangerous high, necessity of further researching and solving is arranged really.

This traction sheave 912 of existing elevator must bear this car 90, this is to recombinating 93 and the weight of carrying personnel or article, cause that the main shaft of this driving main frame 911 bears total stressed greatly, for instance, the deadweight of the car 90 of the elevator that six people take is about 600 kilograms (W0), payload ratings is 400 kilograms (W1), this is 800 kilograms (W2=W0+1/2W1) to 93 the balance counterweight of recombinating, then the main shaft of this driving main frame 911 total stressed is about 900 kilograms [(W0+W1+W2)/2], this driving main frame 911 will drive so big load, the acquisition cost height of the driving main frame 911 of Cai Yonging not only, power consumption is big, and directly influence the structural strength of this driving main frame 911, possess enough traction friction force between this traction sheave 912 and this steel rope 92 for guaranteeing simultaneously, the steel rope race of this traction sheave 912 must have certain included angle and easily this steel rope 92 be damaged, and influences the service life of this steel rope 92.

The utility model content

For solving existing elevator at elevator because can lockedly can't move escape safely when the parts system failure or outage, and driving main unit load not enough and restriction greatly, main purpose of the present utility model is to propose a kind of pair of driving elevator, it is that the driving main frame is arranged at reorganization, collocation operation chain drives reorganization and lift car, reach and alleviate the effect that drives the stressed load of main frame, and set up standby assistive drive machine in actuating device, in the daily use of elevator because the parts system failure or when outage, can switch startup assistive drive machine fast and allow the interior occupant safety of elevator get rid of poverty rapidly, effectively solve the existing every problem of aforementioned existing elevator.

The purpose of this utility model is to adopt following technical scheme to realize.

According to the two driving elevators that the utility model proposes, it is arranged in the hoistway and comprises a car, a pair of reorganization, a driving device and an actuating device, wherein:

Described car moves form with liftable and is arranged in the described hoistway;

This moves the side that form is arranged in the described hoistway and is positioned at this car to reorganization with liftable, and this has a counterweight frame to reorganization;

Described driving device has the BOGEY WHEEL that one group of steel rope and is arranged at described well headroom, described steel rope walk around described BOGEY WHEEL and connect the described car of transmission respectively and this to the reorganization; And

Described actuating device comprises that a driving main frame, that is arranged at this counterweight frame is arranged at this counterweight frame and is subjected to the driving wheels of described driving host driven, is arranged at assistive drive wheels of described well headroom and bottom and tensioning wheels, one respectively and wears operation chain around the described driving wheels of engagement around being sheathed on described assistive drive wheels and described tensioning wheels and a side chain bar, and one is arranged at described well headroom and can drives the assistive drive machine of described assistive drive wheels.

Preferably, described actuating device comprises that a cable and is arranged at described well headroom and is positioned at the cable sheave of described assistive drive wheels side, and the described cable sheave of described cable pile warp and two ends are connected to described counterweight frame and described car.

Preferably, described driving wheels comprise that one is connected in drive sprocket and two sprocket wheels that turn to that lay respectively at the upper and lower side of described drive sprocket of described driving main frame.

Preferably, described assistive drive wheels comprise that one is connected in the assistive drive sprocket wheel of described assistive drive machine and the deflection sprocket wheel that a deflection is arranged at described assistive drive sprocket wheel downside.

Preferably, described tensioning wheels utilize a tensioner to be arranged at the bottom of described hoistway.

The beneficial effect that the technical scheme that the utility model proposes can obtain comprises:

1. actuating device of the present utility model is provided with main frame and the standby assistive drive machine of driving simultaneously, driving main frame by operating system control during normal the use does rotating and produces relative displacement with chain and drive the lifting moving of recombinating, through driving device traction car synchronous backward lifting moving, provide elevator normal transportation function; Run into system's parts fault or when outage when elevator is in service, can switch easily and start standby assistive drive machine, drive operation chain lifting moving, effectively reach and promptly allow the usefulness that occupant safety is got rid of poverty in the lift car.

The utility model will drive main frame be arranged to the reorganization, allow drive main frame needn't load lift car, to the weight of reorganization and payload ratings, alleviate the stressed and minimizing power consumption of the load that drives main frame significantly, effectively ensure the structural strength that drives main frame and drive sprocket, reduce and purchase and maintenance cost.

3. actuating device of the present utility model is to utilize the operation chain to drive, the steel rope race of the BOGEY WHEEL of the existing elevator of release and the restriction that must have certain included angle to guarantee to draw required friction force with steel rope can improve the safety of running and the service life of prolongation shackle line.

4. the utility model will drive main frame and be arranged at reorganization, can save need to arrange to heavy material, and reduce and drive the main frame noise resonance that structure is produced in service.

Below cooperate preferred embodiment graphic and of the present utility model, further setting forth the utility model is to reach the technological means that predetermined utility model purpose is taked.

Description of drawings

Fig. 1 is the configuration schematic diagram of the utility model preferred embodiment forward sight.

Fig. 2 is the configuration schematic diagram of the utility model preferred embodiment side-looking.

Fig. 3 is the utility model preferred embodiment top configuration scheme drawing.

Fig. 4 is the configuration schematic diagram of the utility model preferred embodiment horizontal profile.

Fig. 5 is the forward sight configuration schematic diagram of driving main frame of the present utility model.

Fig. 6 is the side-looking configuration schematic diagram of driving main frame of the present utility model.

Fig. 7 is the forward sight configuration schematic diagram of assistive drive machine of the present utility model.

Fig. 8 is the side-looking configuration schematic diagram of assistive drive machine of the present utility model.

Fig. 9 is the configuration schematic diagram of operation chain tensioning device of the present utility model.

Figure 10 is the use view of the utility model preferred embodiment forward sight.

Figure 11 is the use view of the utility model preferred embodiment side-looking.

Figure 12 is the structure configuration schematic diagram of existing elevator.

Drawing reference numeral:

10 cars

20 pairs of reorganization 21 counterweight frames

22 clump weights

30 drivings device, 31 steel ropes

32 car assembly pulleys, 33 BOGEY WHEELs

34 counterweight assembly pulleys

40 actuating devices 41 drive main frame

42 operation chains 43 drive wheels

431 drive sprockets 432 turn to sprocket wheel

44 assistive drive wheels, 441 assistive drive sprocket wheels

442 deflection sprocket wheels, 45 tensioning wheels

451 tensioners, 46 assistive drive machines

47 cables, 48 cable sheaves

50 hoistways, 51 gangways

52 bearing beams, 53 track supports

55 pairs of reorganization tracks of 54 car tracks

90 cars, 901 car assembly pulleys

91 actuating devices 911 drive main frame

912 traction sheaves, 92 steel ropes

93 pairs of reorganization 931 counterweight assembly pulleys

The specific embodiment

The preferred embodiment of two driving elevators that the utility model proposes as shown in Figures 1 and 2, this pair driving elevator is to install to be arranged in the hoistway 50, and include a car 10, a pair of reorganization 20, one and connect this car 10 and this to recombinating 20 driving device 30, an and actuating device 40; Wherein:

As Fig. 2, Fig. 3 and shown in Figure 4, this hoistway 50 is provided with a space structure that vertically arranges up and down, and the floor of corresponding building and upper and lowerly be arranged at intervals with most gangways 51, and be provided with the track support 53 that a bearing beam 52 and that is positioned at the top is positioned at these hoistway 50 spaces in this hoistway 50, utilize this track support 53 to be arranged with one group of car track 54 and one group in parallel to reorganization track 55; The utility model is identical with existing elevator technology relevant for the basic structure setting of this hoistway 50, no longer describes in detail.

This car 10 utilizes aforesaid car track 54 to move form with liftable and is installed in this hoistway 50;

This 20 utilizes and aforesaid reorganization track 55 is moved the side that form is installed in this hoistway 50 and is positioned at this car 10 with liftable recombinating, and this 20 includes a counterweight frame 21 and stack the clump weight 22 that is arranged in this counterweight frame 21 more than one recombinating;

As Fig. 1, Fig. 2 and shown in Figure 3, this driving device 30 comprises that one group of steel rope 31, is arranged at the BOGEY WHEEL 33 and of this bearing beam 52 in conjunction with being arranged at this to the counterweight assembly pulley 34 at 20 tops of recombinating in conjunction with the car assembly pulley 32, that is arranged at these car 10 bottoms; Wherein, one end secure bond of this steel rope 31 is in these hoistway 50 tops of these bearing beam 52 opposite side, then walk around downwards in regular turn this car assembly pulley 32, upwards walk around this BOGEY WHEEL 33, downwards walk around this counterweight assembly pulley 34 after, extending upward secure bond in this bearing beam 52, and for taking full advantage of the finite space of this hoistway 50.

As Fig. 1, Fig. 2 and shown in Figure 7, this actuating device 40 include one in conjunction with being arranged at this to recombinating 20 driving main frame 41, one operation chain 42, one be arranged at this to recombinate 20 and for this operation chain 42 wear around driving wheels 43, one be arranged at these hoistway 50 tops and for this operation chain 42 wear around assistive drive wheels 44, one be arranged at these hoistway 50 bottoms and for this operation chain 42 wear around tensioning wheels 45, one is arranged at these hoistway 50 tops and can drives the assistive drive machine 46 of these assistive drive wheels 44, one cable 47 and a cable sheave 48 for these cable 47 windings; Wherein:

As Fig. 5 and shown in Figure 6, this driving main frame 41 is fixedly set in this counterweight frame 21 and connects and drives these driving wheels 43, these driving wheels 43 comprise one be fixed in that the drive sprocket 431 of these driving main frame 41 main shafts and two lay respectively at these drive sprocket 431 upper and lower sides turn to sprocket wheel 432, allow this operation chain 42 can pile warp this turn to sprocket wheel 432 and this drive sprocket 431 and drive for these drive sprocket 431 engagements really;

As shown in Figures 7 and 8, this assistive drive wheels 44 are installed and are arranged at this bearing beam 52 and comprise an assistive drive sprocket wheel 441 and a deflection is arranged at the deflection sprocket wheel 442 of these assistive drive sprocket wheel 441 downsides, allow this operation chain 42 can be really this assistive drive sprocket wheel 441 of pile warp engagingly; This assistive drive machine 46 is arranged at this bearing beam 52 for motor and the installation of low power, low velocity; This cable sheave 48 is that the side be arranged at this bearing beam 52 and be positioned at these assistive drive wheels 44 is installed, this this cable sheave 48 of cable 47 pile warps and two ends are fixedly connected on this counterweight frame 21 respectively and flexible fastening is connected in this car 10; As Fig. 1 and shown in Figure 9, these tensioning wheels 45 are to utilize a tensioner 451 that the bottom that is arranged at this hoistway 50 is installed, and can adjust this operation chain 42 and keep best degree of tightness state.

See also Fig. 1,2 and Figure 10,11 shown in, the utility model will move chain 42 around being set in these assistive drive wheels 44 that are positioned at these hoistway 50 tops and the tensioning wheels 45 that are positioned at these hoistway 50 bottoms, and the operation chain 42 of a side is worn around these driving wheels 43 by driven by this driving main frame 41, under the state that standby assistive drive machine 46 does not move, can form the chain of two static and appropriate tensionings.When normal operation uses, utilize the operating system of elevator to control that this driving main frame 41 is made forward or reverse and produce relative displacemenies with this operation chain 42, and then drive this 20 oscilaltions of recombinating are moved, and utilize this car 10 of steel rope 31 traction drives of this driving device 30 to produce reverse dipping and heaving simultaneously, reach the function that drives this car 10 liftings transportation.

If in that elevator is in service when running into unexpected situations such as system's parts fault or outage, the maintenance personnel of speedily carrying out rescue work are switching operating system easily, start this standby assistive drive machine 46 and drive this operation chain 42, allow this car move to 51 positions, nearest gangway, the very first time promptly allows these car 10 interior occupant safeties get rid of poverty, and significantly improves adaptability to changes and the safety of elevator.

As Fig. 1 and shown in Figure 10, the utility model should drive main frame 41 and be arranged at this to recombinating 20, allow and drive main frame 41 this car 10 of needn't loading, this is to recombinating 20 and the weight of payload ratings, for instance, the deadweight of the car 10 of the elevator that six people take is about 600 kilograms (W0), payload ratings is 400 kilograms (W1), this is 800 kilograms (W2=W0+1/2W1) to 20 the balance counterweight of recombinating, this moment, main shaft total stressed of this driving main frame 41 only was about 200 kilograms (W0+W1-W2), be about 900 kilograms compared to the stressed load that has the driving main frame of elevator as shown in figure 12 now, the utility model can alleviate that the load of this driving main frame 41 is stressed to reach 4.5 times, if and the transmitting ratio of this steel rope 31 is when being 1:1, this difference will reach 9 times.The utility model can alleviate the stressed and minimizing power consumption of load of this driving main frame 41 significantly, effectively ensures the structural strength of this driving main frame 41 and this drive sprocket 431.

The above only is preferred embodiment of the present utility model; only be illustrative for the utility model; and it is nonrestrictive; in the spirit and scope that the utility model claim limits; those skilled in the art can understand and the modification carried out or equivalence change, and all will belong to protection domain of the present utility model.

Claims

1. two driving elevator, it is arranged in the hoistway and comprises a car, a pair of reorganization, a driving device and an actuating device, and wherein, described car moves form with liftable and is arranged in the described hoistway; This moves the side that form is arranged in the described hoistway and is positioned at described car to reorganization with liftable, and this has a counterweight frame to reorganization; It is characterized in that:

2. according to claim 1 pair of driving elevator, it is characterized in that: described actuating device comprises that a cable and is arranged at described well headroom and is positioned at the cable sheave of described assistive drive wheels side, and the described cable sheave of described cable pile warp and two ends are connected to described counterweight frame and described car.

3. according to claim 1 and 2 pair of driving elevator, it is characterized in that: described driving wheels comprise that one is connected in drive sprocket and two sprocket wheels that turn to that lay respectively at the upper and lower side of described drive sprocket of described driving main frame.

4. according to claim 3 pair of driving elevator is characterized in that: described assistive drive wheels comprise that one is connected in the assistive drive sprocket wheel of described assistive drive machine and the deflection sprocket wheel that a deflection is arranged at described assistive drive sprocket wheel downside.

5. according to claim 4 pair of driving elevator, it is characterized in that: described tensioning wheels utilize a tensioner to be arranged at the bottom of described hoistway.

6. according to claim 1 and 2 pair of driving elevator is characterized in that: described assistive drive wheels comprise that one is connected in the assistive drive sprocket wheel of described assistive drive machine and the deflection sprocket wheel that a deflection is arranged at described assistive drive sprocket wheel downside.

7. according to claim 1 and 2 pair of driving elevator, it is characterized in that: described tensioning wheels utilize a tensioner to be arranged at the bottom of described hoistway.