CN210873830U - Cascaded telescopic rigidity lift fire prevention curtain - Google Patents

Abstract

The utility model relates to a ladder-type telescopic rigid lifting fireproof curtain, which comprises a first curtain body, a second curtain body, a first guide rail module, two counterweight modules, two second guide rail modules, two counterweight components, a driving component, a first sealing component, a second sealing component, two traction components, a travel switch and a collision iron; the driving assembly is arranged on the right side of a second guide rail module on the right side and is connected with the first curtain body, the second curtain body is connected with the first curtain body through two symmetrically distributed traction assemblies, and the first curtain body is respectively connected with the two counterweight modules through two symmetrically distributed counterweight assemblies; the utility model discloses both saved great space, enlarged application scope again.

Description

Cascaded telescopic rigidity lift fire prevention curtain

Technical Field

The utility model relates to a cascaded telescopic rigidity fire prevention curtain that goes up and down.

Background

The lifting fireproof curtain is used as special safety fireproof equipment and is arranged at a platform opening between an auditorium hall and a stage, when a fire accident occurs in a theater, the stage and the auditorium hall can be divided into two fireproof areas by falling the fireproof curtain, so that on one hand, a fire source can be blocked, and oxygen and smoke can be prevented from being combusted and sucked and diffused; on the other hand, the device can stabilize the emotion of the audience, organize the safe evacuation, strive for time for fire extinguishing, and reduce the loss to the minimum, so the device is a very important device on the stage, and the safety and the reliability of the device are emphasized.

The existing lifting fireproof curtain is mainly divided into a rigid integral type fireproof curtain and a flexible rolling curtain type fireproof curtain, the height of the rigid integral type fireproof curtain needs to be matched with the height of a platform opening, so that the stage needs to have enough space height to accommodate the integral type fireproof curtain so as not to hinder the performance of stage operators, and the stage can not be used in stages with limited height; when the flexible rolling curtain type fireproof curtain is folded, the outer diameter of the rolled fireproof curtain is larger, thereby occupying valuable space at the top of the front area of the stage and hindering the installation and the use of equipment at the top of the stage; therefore, the two types of lifting fireproof curtains occupy larger vertical or horizontal space, have smaller application range and are to be further improved.

SUMMERY OF THE UTILITY MODEL

To the current situation of the above prior art, the technical problem to be solved by the utility model is to provide a cascaded telescopic rigidity lift fire prevention curtain which has not only saved great space but also enlarged application scope.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a step-type telescopic rigid lifting fireproof curtain comprises a first curtain body, a second curtain body, a first guide rail module, two counterweight modules, two second guide rail modules, two counterweight components, a driving component, a first sealing component, a second sealing component, two traction components, a travel switch and a collision iron, and is characterized in that the two first guide rail modules are vertically arranged and symmetrically distributed with each other, the first curtain body and the second curtain body are slidably arranged between the two first guide rail modules, the second curtain body is arranged at the front side of the first curtain body, the two second guide rail modules are vertically arranged and respectively arranged at the outer sides of the two first guide rail modules, the two second guide rail modules are respectively provided with a slidable counterweight module, the driving component is arranged at the right side of one second guide rail module at the right side and is connected with the first curtain body, the second curtain body is connected with the first curtain body through two symmetrically distributed traction assemblies, and the first curtain body is respectively connected with two counterweight modules through two symmetrically distributed counterweight assemblies; the first sealing assembly is arranged on the rear side of the first curtain body; a second sealing assembly is arranged between the second curtain body and the first curtain body; two the upper end inboard of first guide rail module all is provided with a travel switch, correspondingly, the both sides top of second curtain body all is provided with a fender iron, two the fender iron is mutually supported with two travel switches respectively.

Preferably, the driving assembly comprises a brake releasing device, a brake releasing steel wire rope, a winch, a brake releasing pulley, a first diverting pulley, a second diverting pulley and a traction steel wire rope; the upper portion of hoist engine is provided with two rotatable first diverting pulleys, the middle part top of the first curtain body is provided with two rotatable second diverting pulleys, the winding drum of hoist engine is gone up around being equipped with two and pulls wire rope, the device that declutches sets up the below at the hoist engine, the switch floodgate top of hoist engine is provided with two rotatable declutching pulleys, the switch floodgate of hoist engine is connected to declutching wire rope's one end, the other end of declutching wire rope is connected on the device that declutches through the upside of two declutching pulleys and connection.

Preferably, the outer ends of the two traction steel wire ropes respectively wind over the upper sides of the two first diverting pulleys and the upper sides of the two second diverting pulleys and are fixed downwards on the upper side of the middle part of the first curtain body.

Preferably, the counterweight assembly comprises a first counterweight sheave, a second counterweight sheave and a counterweight wire rope; the top of second guide rail module is provided with two superpose and rotatable first counter weight pulleys around, the top of the first curtain body is provided with two rotatable second counter weight pulleys, be provided with two counter weight wire rope on the counter weight module.

Preferably, two outer ends of the counterweight steel wire ropes respectively and upwards wind over the upper sides of the two first counterweight pulleys and respectively wind over the upper sides of the two second counterweight pulleys, and then are vertically fixed on the upper side of the first curtain body downwards.

Preferably, the traction assembly comprises a riding wheel, a lifting pulley, a fixed seat and a traction steel wire rope; the rotatable setting of lift pulley is at the upside of first curtain body, correspondingly, the front side top of first curtain body is provided with two rotatable riding wheels, the fixing base sets up the rear side at first curtain body, traction wire rope's one end is fixed on the fixing base, traction wire rope's the other end upwards around the upside of lift pulley and downwards around the front side of the rear side of a riding wheel of upside and a riding wheel of downside and fix the upside at the second curtain body.

Preferably, the first seal assembly comprises a seal carrier, a sand trough and sand; the utility model discloses a screen curtain, including first curtain body, sand groove, seal frame, sand groove, picture peg and sand groove, the rear side top at first curtain body is fixed to the seal frame, the sand groove sets up the rear side at the seal frame, be provided with the sand in the sand groove, the outside of seal frame is formed with the picture peg downwards, picture peg and sand groove are mutually supported.

Preferably, the second sealing assembly comprises a sealing strip, a channel steel strip, an L-shaped steel strip, a first roller and a second roller; the groove billet is transversely fixed in the rear side top of the second curtain body, be provided with a plurality of horizontal equidistant first gyro wheels of arranging in the groove billet, L shaped steel strip transversely fixes in the front side below of the first curtain body, be provided with a plurality of horizontal equidistant second gyro wheels of arranging in the first curtain body, the sealing strip transversely fixes in the upside of L shaped steel strip and mutually supports with the downside of groove billet.

Preferably, the outer side of each first roller is attached to the front plane of the first curtain body, and the outer side of each second roller is attached to the rear plane of the second curtain body.

Compared with the prior art, the utility model has the advantages of: the utility model adopts the first curtain body and the second curtain body to replace a whole rigid fireproof curtain, thereby reducing the vertical height by half and greatly reducing the requirement on the height of the stage; in addition, compared with the flexible rolling fire-proof curtain, the transverse size is smaller, so that the space at the top of the front area of the stage can not be occupied, the larger space is saved, and the application range is expanded.

Drawings

FIG. 1 is a front view structural diagram of the present invention;

FIG. 2 is a top view of the structure of the present invention;

fig. 3 is a structural diagram after the first curtain body and the second curtain body of the present invention fall down;

fig. 4 is a structural diagram of the first curtain body and the second curtain body of the present invention after being retracted;

FIG. 5 is a sectional view of the present invention at A;

FIG. 6 is a cross-sectional view of the present invention at B;

FIG. 7 is a partial enlarged view of the structure of the present invention at C;

FIG. 8 is a partially enlarged view of the structure of the present invention at D;

FIG. 9 is a partial enlarged view of the structure of the present invention at E;

fig. 10 is a partial enlarged structural view of the present invention at F.

Detailed Description

As shown in fig. 1 to 10, a step-type telescopic rigid lifting fireproof curtain comprises a first curtain body 1, a second curtain body 2, a first guide rail module 3, two counterweight modules 4, two second guide rail modules 5, two counterweight assemblies, a driving assembly, a first sealing assembly, a second sealing assembly, two traction assemblies, a travel switch 21 and a collision iron 22; the two first guide rail modules 3 are vertically arranged and symmetrically distributed with each other, the first curtain body 1 and the second curtain body 2 are slidably arranged between the two first guide rail modules 3, the second curtain body 2 is arranged at the front side of the first curtain body 1, the two second guide rail modules 5 are vertically arranged and respectively arranged at the outer sides of the two first guide rail modules 3, a slidable counterweight module 4 is arranged on each of the two second guide rail modules 5, a driving assembly is arranged at the right side of one second guide rail module 5 at the right side and is connected with the first curtain body 1, the second curtain body 2 is connected with the first curtain body 1 through two symmetrically distributed traction assemblies, and the first curtain body 1 is respectively connected with the two counterweight modules 4 through two symmetrically distributed counterweight assemblies; the first sealing assembly is arranged at the rear side of the first screen body 1; a second sealing component is arranged between the second curtain body 2 and the first curtain body 1; the inner sides of the upper ends of the two first guide rail modules 3 are respectively provided with a travel switch 21, correspondingly, the upper parts of the two sides of the second curtain body 2 are respectively provided with a touch iron 22, and the two touch irons 22 are respectively matched with the two travel switches 21; the driving component comprises a brake releasing device 6, a brake releasing steel wire rope 7, a winch 8, a brake releasing pulley 9, a first diverting pulley 10, a second diverting pulley 23 and a traction steel wire rope 14; two rotatable first diverting pulleys 10 are arranged above the winch 8, two rotatable second diverting pulleys 23 are arranged above the middle part of the first curtain body 1, two traction steel wire ropes 14 are wound on a winding drum of the winch 8, and the outer ends of the two traction steel wire ropes 14 respectively wind the upper sides of the two first diverting pulleys 10 and the upper sides of the two second diverting pulleys 23 and are downwards fixed on the upper side of the middle part of the first curtain body 1; the brake releasing device 6 is arranged below the winch 8, two rotatable brake releasing pulleys 9 are arranged above the switch brake of the winch 8, one end of a brake releasing steel wire rope 7 is connected to the switch brake of the winch 8, and the other end of the brake releasing steel wire rope 7 winds through the upper sides of the two brake releasing pulleys 9 and is connected to the brake releasing device 6; the counterweight assembly comprises a first counterweight pulley 11, a second counterweight pulley 12 and a counterweight steel wire rope 13; two first counterweight pulleys 11 which are overlapped front and back and can rotate are arranged above the second guide rail module 5, two second counterweight pulleys 12 which can rotate are arranged above the first curtain body 1, two counterweight steel wire ropes 13 are arranged on the counterweight module 4, the outer ends of the two counterweight steel wire ropes 13 respectively wind upwards the upper sides of the two first counterweight pulleys 11 and respectively wind the upper sides of the two second counterweight pulleys 12, and then are vertically fixed on the upper side of the first curtain body 1 downwards; the traction assembly comprises a riding wheel 16, a lifting pulley 17, a fixed seat 18 and a traction steel wire rope 24; the lifting pulley 17 is rotatably arranged on the upper side of the first curtain body 1, correspondingly, two rotatable supporting rollers 16 are arranged above the front side of the first curtain body 1, the fixed seat 18 is arranged on the rear side of the first curtain body 1, one end of a traction steel wire rope 24 is fixed on the fixed seat 18, and the other end of the traction steel wire rope 24 upwards winds through the upper side of the lifting pulley 17 and downwards winds through the rear side of one supporting roller 16 on the upper side and the front side of one supporting roller 16 on the lower side, and is further fixed on the upper side of the second curtain body 2; the first seal assembly comprises a seal carrier 19, a sand trough 24 and sand 20; the sealing frame 19 is fixed above the rear side of the first curtain body 1, the sand groove 24 is arranged at the rear side of the sealing frame 19, sand 20 is arranged in the sand groove 24, an inserting plate 191 is formed downwards on the outer side of the sealing frame 19, and the inserting plate 191 is matched with the sand groove 24; the second sealing assembly comprises a sealing strip 15, a channel steel strip 25, an L-shaped steel strip 26, a first roller 27 and a second roller 28; the groove billet 25 is transversely fixed in the rear side top of the second curtain body 2, be provided with a plurality of horizontal equidistant first gyro wheels 27 of arranging in the channel-section steel strip 25, every first gyro wheel 27's the outside is all laminated on the front side plane of the first curtain body 1, L shaped steel strip 26 is transversely fixed in the front side below of the first curtain body 1, be provided with a plurality of horizontal equidistant second gyro wheels 28 of arranging in the first curtain body 1, every second gyro wheel 28's the outside is all laminated on the rear side plane of the second curtain body 2, sealing strip 15 transversely fixes the upside at L shaped steel strip 26 and mutually supports with the downside of channel-section steel strip 25.

The working principle is as follows: fixing a winch 8, a fixed seat 18, a sand groove 24, two brake releasing pulleys 9, two first diverting pulleys 10, two second diverting pulleys 23, two first guide rail modules 3, two second guide rail modules 5, two first counterweight pulleys 11 and two second counterweight pulleys 12 on a vertical wall surface at the top of the stage; under normal conditions, the fire curtain is in a retracted position; if an emergency state such as a fire occurs, the brake release device 6 is pulled down, and then the switch on and off of the winch 8 is pulled through the brake release steel wire rope 7 and the two brake release pulleys 9, so that the winch 8 rotates reversely to slowly release the two traction steel wire ropes 14, the first curtain body 1 descends between the two first guide rail modules 3 by means of self weight of the first curtain body, and the counterweight module 4 descends along with the first curtain body 1 by means of the sliding connection relationship between the two counterweight steel wire ropes 13 and the two first counterweight pulleys 11 and the two second counterweight pulleys 12, and then ascends along the two second guide rail modules 5, so that the descending speed of the first curtain body 1 is reduced; when the insert plate 191 of the sealing frame 19 is inserted into the sand 20 provided in the sand groove 24, the first curtain body 1 reaches the lowest point of descent and the sealing is completed; the lifting pulley 17 will descend along with the first curtain body 1, thus reducing the distance between the lifting pulley 17 and the fixed seat 18, and then the second curtain body 2 will continue to descend by virtue of self-gravity and pull the traction steel wire rope 24 to slide between the lifting pulley 17 and the two riding wheels 16; when the lower side of the channel steel bar 25 is attached to the upper side of the sealing strip 15, the second curtain body 2 reaches the lowest point of descent and sealing is completed; in the descending process of the second curtain body 2, each first roller 27 in the channel steel strip 25 rolls downwards along the front side plane of the first curtain body 1, and each second roller 28 in the L-shaped steel strip 26 rolls upwards along the rear side plane of the second curtain body 2, so that the transverse distance between the second curtain body 2 and the first curtain body 1 is ensured; when the stage returns to normal, the brake release device 6 is pulled again to start the winch 8 to rotate normally, and then the winding drum on the winch 8 starts to wind the two traction steel wire ropes 14 slowly, and then the first curtain body 1 is lifted up slowly through the two first diverting pulleys 10 and the two second diverting pulleys 23, along with the rising of the first curtain body 1, the distance between the lifting pulley 17 and the fixing seat 18 is increased slowly, and then the second curtain body 2 is lifted up slowly through the outer end of the traction steel wire rope 24, when the two contact bars 22 on the second curtain body 2 are in contact with the two travel switches 21 respectively, the winch 8 stops winding, and the first curtain body 1 and the second curtain body 2 rise to the highest positions and are located at the retracting positions.

The existing lifting fireproof curtain is mainly divided into a rigid integral type fireproof curtain and a flexible rolling curtain type fireproof curtain, the height of the rigid integral type fireproof curtain needs to be matched with the height of a platform opening, so that the stage needs to have enough space height to accommodate the integral type fireproof curtain so as not to hinder the performance of stage operators, and the stage can not be used in stages with limited height; when the flexible rolling curtain type fireproof curtain is folded, the outer diameter of the rolled fireproof curtain is larger, thereby occupying valuable space at the top of the front area of the stage and hindering the installation and the use of equipment at the top of the stage; therefore, the two types of lifting fireproof curtains occupy larger vertical or horizontal space, and have smaller application range; the utility model adopts the first curtain body 1 and the second curtain body 2 to replace a whole rigid fireproof curtain, thereby reducing the vertical height by half and greatly reducing the requirement on the height of the stage; in addition, compared with the flexible rolling fire-proof curtain, the transverse size is smaller, so that the space at the top of the front area of the stage can not be occupied, the larger space is saved, and the application range is expanded.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (9)

1. A step-type telescopic rigid lifting fireproof curtain comprises a first curtain body, a second curtain body, a first guide rail module, two counterweight modules, two second guide rail modules, two counterweight components, a driving component, a first sealing component, a second sealing component, two traction components, a travel switch and a collision iron, and is characterized in that the two first guide rail modules are vertically arranged and symmetrically distributed with each other, the first curtain body and the second curtain body are slidably arranged between the two first guide rail modules, the second curtain body is arranged at the front side of the first curtain body, the two second guide rail modules are vertically arranged and respectively arranged at the outer sides of the two first guide rail modules, the two second guide rail modules are respectively provided with a slidable counterweight module, the driving component is arranged at the right side of one second guide rail module at the right side and is connected with the first curtain body, the second curtain body is connected with the first curtain body through two symmetrically distributed traction assemblies, and the first curtain body is respectively connected with two counterweight modules through two symmetrically distributed counterweight assemblies; the first sealing assembly is arranged on the rear side of the first curtain body; a second sealing assembly is arranged between the second curtain body and the first curtain body; two the upper end inboard of first guide rail module all is provided with a travel switch, correspondingly, the both sides top of second curtain body all is provided with a fender iron, two the fender iron is mutually supported with two travel switches respectively.

2. The stepped, telescoping, rigid elevating fire curtain of claim 1, wherein the drive assembly includes a brake release device, a brake release cable, a hoist, a brake release pulley, a first diverting pulley, a second diverting pulley, and a traction cable; the upper portion of hoist engine is provided with two rotatable first diverting pulleys, the middle part top of the first curtain body is provided with two rotatable second diverting pulleys, the winding drum of hoist engine is gone up around being equipped with two and pulls wire rope, the device that declutches sets up the below at the hoist engine, the switch floodgate top of hoist engine is provided with two rotatable declutching pulleys, the switch floodgate of hoist engine is connected to declutching wire rope's one end, the other end of declutching wire rope is connected on the device that declutches through the upside of two declutching pulleys and connection.

3. The stepped telescopic rigid elevating fire curtain as claimed in claim 2, wherein the outer ends of the two traction cables are passed around the upper sides of the two first diverting pulleys and the upper sides of the two second diverting pulleys and fixed downward to the upper side of the middle part of the first curtain body.

4. The stepped, telescoping, rigid elevating fire curtain of claim 1, wherein the counterweight assembly includes a first counterweight sheave, a second counterweight sheave, and a counterweight wire rope; the top of second guide rail module is provided with two superpose and rotatable first counter weight pulleys around, the top of the first curtain body is provided with two rotatable second counter weight pulleys, be provided with two counter weight wire rope on the counter weight module.

5. The stepped telescopic rigid elevating fire curtain as claimed in claim 4, wherein the outer ends of the two counterweight steel cables are respectively wound upwards on the upper sides of the two first counterweight pulleys and respectively wound on the upper sides of the two second counterweight pulleys, and are vertically fixed downwards on the upper side of the first curtain body.

6. The stepped, telescoping, rigid elevating fire curtain of claim 1, wherein the tow assembly includes a riding wheel, an elevating pulley, a mounting bracket, and a tow cable; the rotatable setting of lift pulley is at the upside of first curtain body, correspondingly, the front side top of first curtain body is provided with two rotatable riding wheels, the fixing base sets up the rear side at first curtain body, traction wire rope's one end is fixed on the fixing base, traction wire rope's the other end upwards around the upside of lift pulley and downwards around the front side of the rear side of a riding wheel of upside and a riding wheel of downside and fix the upside at the second curtain body.

7. The stepped, telescoping, rigid elevating fire curtain of claim 1, wherein the first seal assembly includes a seal carrier, a sand trough and sand; the utility model discloses a screen curtain, including first curtain body, sand groove, seal frame, sand groove, picture peg and sand groove, the rear side top at first curtain body is fixed to the seal frame, the sand groove sets up the rear side at the seal frame, be provided with the sand in the sand groove, the outside of seal frame is formed with the picture peg downwards, picture peg and sand groove are mutually supported.

8. The stepped, telescoping, rigid elevating fire curtain of claim 1, wherein the second seal assembly includes a weather strip, a channel bar, an L-bar, a first roller and a second roller; the groove billet is transversely fixed in the rear side top of the second curtain body, be provided with a plurality of horizontal equidistant first gyro wheels of arranging in the groove billet, L shaped steel strip transversely fixes in the front side below of the first curtain body, be provided with a plurality of horizontal equidistant second gyro wheels of arranging in the first curtain body, the sealing strip transversely fixes in the upside of L shaped steel strip and mutually supports with the downside of groove billet.

9. The stepped, retractable, rigid elevating fire curtain of claim 8, wherein the outer side of each first roller is attached to the front plane of the first curtain body and the outer side of each second roller is attached to the rear plane of the second curtain body.

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