CN103708323A

CN103708323A - Double-lift-car escape device

Info

Publication number: CN103708323A
Application number: CN201310324774.5A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-07-30
Filing date: 2013-07-30
Publication date: 2014-04-09

Abstract

The invention relates to a double-lift-car escape device. The double-lift-car escape device comprises a steel wire rope (1), two vertical guide rails (2), two steel wire rope driving wheels (3 and 4), upper sliding boots (7), two lift cars (8), lower sliding boots (9), a counter-weight wheel (12), a counter-weight support (13), an upper guide block (14), a counterweight (15), a lower guide block (16) and vertical guide slides (17). The lift cars (8) are hung and pulled to two ends of the steel wire rope (1) through the steel wire rope (1) which is wound on the steel wire rope driving wheels (3 and 4) and parallel to the vertical guide rails (2), the lift cars (8) are driven to slide on the vertical guide rails (2) in an closely attached manner through the upper sliding boots (7) and the lower sliding boots (9), the steel wire rope driving wheels (3 and 4) are respectively driven with permanent magnet synchronous motors of the same, the steel wire rope (1) between the steel wire rope driving wheels (3 and 4) is wound on the counter-weight wheel (12) which is fixed at the top of the counterweight (15) through the counter-weight support (13), and the counterweight (15) slides on the vertical guide slides (17) through the upper guide block (14) and the lower guide block (16) which are mounted on the counterweight (15). By the arrangement, double-lift-car can be operated to carry passengers efficiently through cooperation with an existing intelligent control system and a lift group control coordination function.

Description

Two car escape devices

Technical field

The present invention relates to a kind of pair of car escape device, belong to the technical fields such as electro-mechanical system engineering and automated intelligent control system thereof.

Background technology

People doubt the safety problem proposition value of the traditional elevator in life, thereby have proposed a kind of double-car elevator, and the U.S. and Germany test this elevator at present, and they adopt the double-car elevator operation scheme of double-layered car van-type.Fig. 2 is three kinds of elevator structure principle comparison diagrams, and in Fig. 2, (a) is traditional elevator, is (b) U.S. and German double-car elevator, is (c) two car escape devices.Traditional elevator Fig. 2 (a) shortcoming is inefficiency, and passenger is transported in every work one time, and car must zero load returns and just can carry out next time and transport work afterwards.The double-car elevator that U.S. shown in Fig. 2 (b) Germany proposes, on a vertical guide rail, two cars are upper and lower two-layer general layout, are two traditional elevators stacks, its shortcoming be move not smooth.

Summary of the invention

In order to overcome the shortcoming of above-mentioned two kinds of elevators, a kind of double-car elevator has been proposed, as shown in Figure 2 (c).This double-car elevator develops into by single elevator the efficient double-car elevator that cluster is controlled, and speed and efficiency are the twices of traditional elevator, and such double-car elevator can, for tall-building fire fighting and escape, be become to a kind of pair of car escape device.

This pair of car escape device, it comprises: steel rope (1), vertical guide rail (2), steel wire rope driving wheel (3, 4), upper piston shoes (7), car (8), lower piston shoes (9), to roller (12), counterweight support (13), upper orienting lug (14), counterweight (15), lower orienting lug (16) and vertically-guided slideway (17), two cars (8) hang and draw in steel rope (1) two ends by steel rope (1), this steel rope (1) is looped around two steel wire rope driving wheels (3, 4) on, and be parallel to two vertical guide rails, two cars (8) are close on two vertical guide rails (2) and are slided by upper piston shoes (7) and lower piston shoes (9), two steel wire rope driving wheels (3, 4) drive with permagnetic synchronous motor shaft coupling separately respectively, two steel wire rope driving wheels (3, 4) steel rope between (1) is looped around in roller (12), roller (12) is fixed on to counterweight (15) top by counterweight support (13), counterweight (15) slides on vertically-guided slideway (17) by upper orienting lug (14) mounted thereto and lower orienting lug (15).

This pair of car escape device can adopt and be wound around than being the drive configuration of 2:1, as shown in Fig. 1 (a); Also can adopt and be wound around than being the drive configuration of 1:1, as shown in Fig. 1 (b).When being wound around ratio for 2:1, this escape device also comprises track adjusting wheel (5,10) and support (6,11), track adjusting wheel (10,12) is fixed on respectively the top of two cars (8) by support (6,11), it is upper that steel rope (1) two ends are looped around respectively track adjusting wheel (10,12), and be fixed on hoistway top.

By such wirerope-winding mode, coordinate existing intelligent control system and elevator group controlling coordination function, can realize the operation of two cars, pick the continuous manned high-performance device that passenger becomes two car synchronized operations.Two cars (8) close power-actuated mode with same rotation direction and move by being looped around steel wire rope driving wheel (3,4), only have after the end points of two cars arrival vertical guide rails (2), two steel wire rope driving wheels (3, the 4) operation that just commutates, no matter steel wire rope driving wheel (3,4) is forward running or antiport, no matter be that the same direction of two drive wheels makes a concerted effort to drive or single drive wheel, depend on cage operation trend completely; Tightening device develops into the range difference that rope traction car back and forth moves and traction car slides the stroke of rope capacity simultaneously, Action of Gravity Field by counterweight (15) and at vertically-guided slideway (17), slide receive mode revised, make steel rope (1) two ends tightly fastening car (8) top or by track adjusting wheel (10) and track adjusting wheel (5) with around mode be connected, make two cars (8) pick passenger's device easily more flexibly.

Accompanying drawing explanation

Fig. 1 is two car escape device drive path expansion drawings, the structure that the speed ratio that (a) in Fig. 1 is permagnetic synchronous motor and steel rope is 2:1, the structure that the speed ratio that (b) in Fig. 1 is permagnetic synchronous motor and steel rope is 1:1;

Tri-kinds of elevator structure principle comparison diagrams of Fig. 2, in Fig. 2, (a) is traditional elevator, is (b) U.S. and German double-car elevator, is (c) two car escape devices.

The specific embodiment

The present invention is a kind of pair of car escape device, and it comprises: steel rope 1, vertical guide rail 2, steel wire rope driving wheel 3,4, upper piston shoes 7, car 8, lower piston shoes 9, to roller 12, counterweight support 13, upper orienting lug 14, counterweight 15, lower orienting lug 16 and vertically-guided slideway 17.As shown in Figure 1, two cars 8 hang and draw in steel rope 1 two ends by steel rope 1, this steel rope 1 is looped around two steel wire rope driving wheels 3, on 4, and be parallel to two vertical guide rails, two cars 8 are close on two vertical guide rails 2 and are slided by upper piston shoes 7 and lower piston shoes 9, two steel wire rope driving wheels 3, 4 drive with permagnetic synchronous motor shaft coupling separately respectively, two steel wire rope driving wheels 3, steel rope 1 between 4 is looped around in roller 12, roller 12 is fixed on to counterweight 15 tops by counterweight support 13, counterweight 15 slides on vertically-guided slideway 17 by upper orienting lug 14 mounted thereto and lower orienting lug 15.

By such structure, two cars are just as intelligent gondola, one up, one descending, take their own roads, synchronously slide and synchronous flat bed (flat bed: refer to that bottom surface and floor ground level two plane errors≤5mm when stopping in car are called flat bed, synchronous flat bed is for once stopping two cars flat bed respectively), with the shortest, apart from discrete time, by vertical guide rail 2, search the passenger of different floor different directions calls, realize the stop of floor gap and the device of picking.Device coordinates existing intelligent control system and elevator group controlling coordination function to realize the operation of two cars, picks the continuous manned high-performance device that passenger becomes two car synchronized operations.

Described Fig. 1 (a) or (b) shown in the pulley combined device of two cars, two cars 8 are drawn respectively by the two ends that are looped around the steel rope 1 on steel wire rope driving wheel 3 and 4, and on two vertical guide rails 2, slide, realize synchronously sliding and synchronizeing flat bed of two cars 8, sliding and flat bed of car on 3 corresponding left side vertical guide rails 2 of steel wire rope driving wheel on the left side, sliding and flat bed of car on 4 corresponding the right vertical guide rails 2 of steel wire rope driving wheel on the right, two steel wire rope driving wheels 3 and 4 are by the integral body that is connected to become an operation of steel rope, with same rotation direction, closing power-actuated mode moves, only have after the end points of two cars arrival vertical guide rails 2, two steel wire rope driving wheels 3 and 4 operation that just commutates, no matter steel wire rope driving wheel 3 and 4 is forward running or antiport, no matter be that the same direction of two drive wheels makes a concerted effort to drive or single drive wheel, depend on cage operation trend completely, if two steel wire rope driving wheels 3 are identical with 4 rotation direction, these two steel wire rope driving wheel fixed pulleys of equivalence just completely independently so, if be the words of a fixed pulley, just can not realize the synchronous flat bed of two cars, because steel rope is an elastomeric objects that has retractility, its whenever and wherever possible may be because variation of car load amount and length changes, owing to having had such two Steel rope drive wheel apparatus and can receive the tightening device of steel rope stroke, by utilizing at any time any one steel wire rope driving wheel in the middle of two steel wire rope driving wheels, revise the steel rope stroke that draws car on its corresponding vertical guide rail 2, even if be auxiliary operation scheme, it act as the stroke that receives and revise its traction car steel rope auxiliary operation scheme, and realize synchronously sliding and synchronous flat bed of two cars, the operation of two cars adopts is the operation scheme of (car is up, another car is descending and simultaneously carry out) one on the other, simultaneously, when the lift car leveling of a steel wire rope driving wheel because of correspondence shuts down, another car that another steel wire rope driving wheel is corresponding is failed flat bed needs the auxiliary operation scheme of isolated operation, adopts this auxiliary operation scheme to help operation fine setting and the flat bed of another car.In real-world operation, this operation fine setting and flat bed are indispensable, when steel wire rope driving wheel 3 or 4 is when rotation direction is identical, in the process that two cars move one on the other simultaneously, must there is a car to arrive in advance the anchor point that self needs flat bed, the corresponding steel wire rope driving wheel of car of so also failing to arrive anchor point just must remain in operation and find the anchor point of wanting this lift car leveling, so steel wire rope driving wheel 3 or 4 rotation directions and time of run, depend on completely service direction and the flat bed of the car on corresponding vertical guide rail 2, and the position at car place and call passenger relative position, if therefore have a steel wire rope driving wheel 3 or 4 to enter braking state, represent this steel wire rope driving wheel car on corresponding vertical guide rail 2 entered that flat bed finishes operation and brake is stopped, the steel wire rope driving wheel 3 or 4 of another car also needs to continue independent operating and completes track 2 distances that car fails to arrive flat bed floor, realize steel wire rope driving wheel the flat bed of car on corresponding vertical guide rail 2.Due to the flexible of operating steel rope and the existence of floor gap apart from difference, just produced operating range difference, this range difference will be completed by tightening device, tightening device comprises: to roller 12, counterweight support 13, upper orienting lug 14, counterweight 15, lower orienting lug 16, vertically-guided slideway 17, tightening device arrives two cage operations in the length of the steel rope of the formation of the range difference of anchor point separately, by the Action of Gravity Field of counterweight 15, counterweight is by upper and lower orienting lug 14, 16 slide on vertically-guided slideway 17, the range difference that rope traction car back and forth moves and traction car slides is developed into the stroke of rope capacity, by vertically-guided slideway 17, slide and receive mode revised again, and guarantee that steel cable has enough degree of tensions, make steel rope 1 two ends tightly fasten car 8 tops or pass through track adjusting wheel 5, 10 with around mode connect, making two cars 8 pick passenger installs more flexibly easily.

The device of described continuous manned and synchronized operation, depends on steel wire rope driving wheel 3, 4, and passive element steel rope 1, vertical guide rail 2, track adjusting wheel 5,10, support 6,11, upper piston shoes 7, car 8, lower piston shoes 9, to roller 12, counterweight support 13, upper orienting lug 14, counterweight 15, lower orienting lug 16 is connected and is linked by steel rope 1 with vertically-guided slideway 17 moving members such as grade, the operation that from Fig. 1 (a) or (b) can see them is all linked into an integrated entity by steel rope, in Fig. 1 (a), steel rope 1 is fixed (even if be steel wire rope head fixed end from the fixed end in two steel wire rope driving wheel axle center, a upper support point that is equivalent to movable pulley) start to around track adjusting wheel 10, around the steel wire rope driving wheel 3 that unrolls again after track adjusting wheel 10, after steel wire rope driving wheel 3, again around to the steel wire rope driving wheel 4 that unrolls after roller 12, the track adjusting wheel 5 of unrolling again after steel wire rope driving wheel 4 of unrolling returns fixed end, or the top of car 8 is tightly being fastened at steel rope 1 two ends shown in Fig. 1 (b), omitted around track adjusting wheel 5, 10 operation member in movable pulley, operation usefulness identical, just drive speed ratio difference.

Claims

1. this pair of car escape device, it comprises: steel rope (1), vertical guide rail (2), steel wire rope driving wheel (3, 4), upper piston shoes (7), car (8), lower piston shoes (9), to roller (12), counterweight support (13), upper orienting lug (14), counterweight (15), lower orienting lug (16) and vertically-guided slideway (17), two cars (8) hang and draw in steel rope (1) two ends by steel rope (1), this steel rope (1) is looped around two steel wire rope driving wheels (3, 4) on, and be parallel to two vertical guide rails, two cars (8) are close on two vertical guide rails (2) and are slided by upper piston shoes (7) and lower piston shoes (9), two steel wire rope driving wheels (3, 4) drive with permagnetic synchronous motor shaft coupling separately respectively, two steel wire rope driving wheels (3, 4) steel rope between (1) is looped around in roller (12), roller (12) is fixed on to counterweight (15) top by counterweight support (13), counterweight (15) slides on vertically-guided slideway (17) by upper orienting lug (14) mounted thereto and lower orienting lug (15).

2. as claimed in claim 1 pair of car escape device, also comprise track adjusting wheel (5,10) and support (6,11), track adjusting wheel (10,12) is fixed on respectively the top of two cars (8) by support (6,11), it is upper that steel rope (1) two ends are looped around respectively track adjusting wheel (10,12), and be fixed on hoistway top.