CN219864758U - Fireproof rolling shutter for tunnel vehicle transverse tunnel - Google Patents

Abstract

The utility model provides a fireproof rolling shutter for a tunnel car transverse tunnel, and belongs to the field of fireproof rolling shutters. The fire-proof rolling shutter is fixedly arranged on the surface of the rolling shutter door through the flexible belt and is respectively attached to the curtain plates, and the design of the overload alarm lamp is adopted, so that the problem of jamming and misoperation of personnel after jamming caused by the fact that the rolling shutter door is rolled up and put down due to dislocation of the curtain plates in the prior art is solved. The fire-proof rolling shutter for the tunnel car horizontal hole comprises a reel, a power piece, a plurality of curtain plates, flexible belts and overload alarm lamps, wherein the long sides of the curtain plates are sequentially hinged together to form a rolling shutter door, and the flexible belts are fixedly arranged on the surface of the rolling shutter door and are attached to each curtain plate; the overload alarm lamp is arranged on the side edge of the roller shutter door, and when the roller shaft is overloaded, the overload alarm lamp emits light.

Description

Fireproof rolling shutter for tunnel vehicle transverse tunnel

Technical Field

The utility model belongs to the field of fireproof roller shutter doors, and particularly relates to a fireproof roller shutter for a tunnel car transverse tunnel.

Background

The fire-proof rolling door is generally arranged in a transverse hole of the expressway vehicle, and comprises a frame, a curtain plate, a scroll box, a motor, a guide rail, a bracket, a protective cover, a control mechanism and the like, wherein the curtain plate is generally made of metal plates such as steel plates and is formed by a buckling ring or a hinging method; the fire-proof rolling shutter door is used for preventing rapid spreading of fire when fire occurs in a transverse hole, the width of the opening of the transverse hole of the highway vehicle is generally larger, the length of a corresponding required curtain plate is longer, the longer the length of the curtain plate is, the larger the absolute value of processing tolerance is, the length value of different curtain plates and the parallelism difference between the upper side and the lower side of the curtain plate are caused to be more, and larger gaps exist between the left side and the right side of a steel plate formed by connecting a plurality of curtain plates and the connecting position of two adjacent curtain plates.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the present utility model is directed to providing a fire-proof rolling shutter for a tunnel car horizontal tunnel, which is used for solving the problem that in the prior art, jamming occurs when a fire-proof rolling shutter door is rolled up and put down due to dislocation of a shutter plate, and the problem that personnel are easy to operate by mistake after jamming.

To achieve the above and other related objects, the present utility model provides a fire-proof rolling shutter for a tunnel car cross tunnel, comprising a reel, a power member, a plurality of shutter plates, a flexible belt and an overload warning lamp, wherein the plurality of shutter plates are hinged together in sequence on long sides of the plurality of shutter plates to form a rolling shutter door, and the flexible belt is fixedly installed on the surface of the rolling shutter door and is attached to each shutter plate;

the top of the rolling door is wound on the scroll, the power piece drives the scroll to rotate, the scroll rotates to drive the rolling door to be wound on the scroll or put down from the scroll, and the flexible belt is wound and put down along with the winding and putting down of the rolling door;

the overload alarm lamp is arranged on the side edge of the roller shutter door, and when the roller shaft is overloaded, the overload alarm lamp emits light.

Optionally, when the rolling door is unfolded, the length direction of the flexible belt is parallel to the height direction of the rolling door.

Optionally, the flexible strip and each of the slats are fixedly attached together by rivets.

Optionally, the flexible belt has a plurality of, and a plurality of flexible belts are fixedly installed on the surface of the rolling shutter door in sequence from left to right.

Optionally, the flexible belt has many, both sides are all fixed mounting has the flexible belt around the rolling slats door.

Optionally, the material of the flexible band is flexible graphite packing.

Optionally, the power piece comprises an output end, the torque limiter is arranged between the output end of the power piece and one end of the scroll, and the power piece drives the scroll to rotate through the torque limiter.

Optionally, the roller shutter door further comprises a forced lifting switch and a forced descending switch, wherein the forced lifting switch, the forced descending switch and the overload alarm lamp are arranged on the same side of the roller shutter door, and the overload alarm lamp is controlled by a series circuit;

the series circuit comprises a first switch and a second switch, wherein the first switch is closed when the power piece works, and the first switch is opened when the power piece stops working;

when the reel rotates, the second switch is opened, and when the reel stops rotating, the second switch is closed.

Optionally, the roller shutter door further comprises two sliding rails, the two sliding rails are arranged on the left side and the right side of the roller shutter door, and the left side and the right side of the roller shutter door are respectively in sliding fit with the one sliding rail.

Optionally, the rolling device further comprises a rollback box, the scroll is installed in the rollback box, a down opening is formed in the lower portion of the rollback box, and the rolling door is rolled onto the scroll from the down opening or is rolled onto the scroll from the upper portion of the scroll and is discharged out of the rollback box.

As described above, the fireproof rolling shutter for the tunnel traffic transverse tunnel has at least the following beneficial effects:

1. according to the utility model, through the design that the flexible belt is fixedly arranged on the surface of the roller shutter door and is attached to each curtain plate, the flexible belt limits the possibility of dislocation movement between the curtain plates, reduces the probability of faults caused by overlarge reel load due to clamping stagnation caused by dislocation of the curtain plates, and improves the running reliability of the fire-proof roller shutter for the horizontal tunnel of the tunnel vehicle; and the design of the overload alarm lamp reminds relevant staff in time, so that loss caused by misoperation is avoided.

2. According to the utility model, through the designs of the overload alarm lamp, the series circuit and the torque limiter, when the motor works and the reel stops rotating due to overload, the overload alarm lamp can emit light, so that not only is the fault of the rolling door reminded to the staff, but also the staff can press the forced descending button to drop the rolling door and prevent the spread of fire when the staff breaks out of order.

Drawings

FIG. 1 is a schematic view of a tunnel traffic traversing fire-resistant roller blind according to the present utility model.

Fig. 2 shows a schematic view of the transmission part of the present utility model.

Fig. 3 shows a schematic diagram of the series circuit of the present utility model.

Description of element reference numerals

Reel 1, power piece 2, curtain board 3, flexible band 4, overload alarm lamp 5, rolling shutter door 6, rivet 7, torque limiter 8, forced lifting switch 9, forced descending switch 10, stop switch 11, switch one 12, switch two 13, slide rail 14, rollback case 15, secondary shaft 16, first lead screw 17, first slip table 18, first spring back 19, small diameter shaft 20, second lead screw 21, second slip table 22, second spring back 23, first bevel gear 24, second bevel gear 25.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

Please refer to fig. 1 to 3. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the utility model, are included in the spirit and scope of the utility model which is otherwise, without departing from the spirit or scope thereof. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

The following examples are given by way of illustration only. Various embodiments may be combined and are not limited to only what is presented in the following single embodiment.

Referring to fig. 1 and 2, the utility model provides a fire-proof rolling shutter for a tunnel car horizontal hole, which comprises a scroll 1, a power part 2, shutter plates 3, a flexible belt 4 and an overload alarm lamp 5, wherein a plurality of shutter plates 3 are arranged, the long sides of a plurality of shutter plates 3 are hinged together in sequence to form a rolling shutter door 6, the flexible belt 4 is fixedly arranged on the surface of the rolling shutter door 6 and is attached to each shutter plate 3, and the flexible belt 4 is designed so that dislocation movement between adjacent shutter plates 3 hinged together in sequence does not occur, thereby avoiding blocking in the process of rewinding or descending the rolling shutter door 6 caused by dislocation of the shutter plates 3;

the top of the rolling door 6 is rolled on the scroll 1, the power piece 2 drives the scroll 1 to rotate, the scroll 1 rotates to drive the rolling door 6 to be rolled on the scroll 1 or to be put down from the scroll 1, the flexible belt 4 is rolled and put down along with the rolling and putting down of the rolling door 6, and the flexible belt 4 is soft and bendable and mainly has the function of preventing the transverse dislocation movement and the up-down movement of the curtain plate 3;

the overload alarm lamp 5 is installed the side of rolling slats door 6, when spool 1 takes place to overload, overload alarm lamp 5 sends light, and the tunnel car of installing flexible band 4 is walked the transverse tunnel fire prevention and is rolled up the curtain and only has improved the reliability of work to can not avoid the emergence of jamming completely, so still need strengthen daily maintenance, overload alarm lamp 5's design also is in order to remind staff spool 1 to take place to overload in time when spool 1 takes place to overload, avoids forcing the operation to cause irreversible harm for rolling slats door 6.

In this embodiment, referring to fig. 1, when the rolling door 6 is unfolded, the length direction of the flexible belt 4 is parallel to the height direction of the rolling door 6, so that the flexible belt 4 is shortest when each curtain plate 3 is attached.

In this embodiment, referring to fig. 1, the flexible belt 4 and each of the slats 3 are fixedly connected together by rivets 7. The advantage of using rivets 7 to fix the flexible belt 4 and the slats 3 together is that the reliability of operation of the rolling door 6 can be improved, and the fixing of the rivets 7 is more secure than gluing or the like.

In this embodiment, referring to fig. 1, the flexible strips 4 are plural, and the plural flexible strips 4 are fixedly installed on the surface of the rolling door 6 from left to right.

In this embodiment, referring to fig. 1 and 2, the flexible belts 4 are provided in plural, the flexible belts 4 are fixedly installed on both front and rear surfaces of the rolling door 6, and the functions of preventing dislocation between the curtain plates 3 are further improved due to the design of the plural flexible belts 4.

In this embodiment, referring to fig. 1 and 2, the flexible belt 4 is made of flexible graphite packing, which is a pure graphite product made of natural scaly high-carbon graphite through special chemical and physical treatments. Besides the good characteristics of natural squamous graphite, the fireproof roller shutter has the good characteristics of softness, rebound resilience, corrosion resistance, high pressure resistance, radiation resistance, heat conduction and the like, and is mainly fireproof and suitable for application scenes of fireproof roller shutters of tunnel vehicles and transverse holes.

In this embodiment, referring to fig. 2, the power unit 2 further includes a torque limiter 8, the torque limiter 8 is installed between the output end of the power unit 2 and one end of the spool 1, the power unit 2 drives the spool 1 to rotate through the torque limiter 8, the torque limiter 8 is a component for connecting the main motor and the working machine, the main function is overload protection, and the torque limiter 8 limits the torque transmitted by the transmission system in a slipping manner when the required torque exceeds a set value due to overload or mechanical failure, and the torque limiter is self-recovered after the overload situation disappears, which is not described in detail herein.

In this embodiment, referring to fig. 1 to 3, the device further includes a forced lifting switch 9, a forced lowering switch 10 and a stopping switch 11, where the forced lifting switch 9, the forced lowering switch 10 and the overload alarm lamp 5 are installed on the same side of the roller shutter door 6, and a serial circuit controls the overload alarm lamp 5 to emit light or to extinguish;

after the spool 1 is in jamming overload, the connection between the power piece 2 and the spool 1 is disconnected, the spool 1 stops rotating, at the moment, the overload of the spool 1 disappears, if a fire disaster happens, the forced lifting switch 9 can be continuously pressed down, the power piece 2 can continuously drive the spool 1 to rotate until the load of the spool 1 exceeds the rated value again, in this way, the shutter door 6 can be forced to lift and descend, because the damage to the spool 1 caused by the operation is excessive and irreversible, the operation can be performed only under special conditions such as fire disaster, the forced lifting button is used under special conditions, the circuit connection of the power piece 2 is disconnected, and the forced lifting button is used in emergency and is not repeated;

in order to avoid damage to the reel 1 caused by the use of these buttons by some staff in non-emergency situations, we install overload warning lamps 5 on one side of these switches and control the overload warning lamps 5 to emit light or not through a series circuit;

the series circuit comprises a first switch 12 and a second switch 13, the power part 2 selects a servo motor, the servo motor is provided with another shaft besides a working shaft at an output end, the servo motor is named as a secondary shaft 16, the secondary shaft 16 rotates or stops along with the working shaft, the working shaft drives the scroll 1 to rotate through the torque limiter 8, the secondary shaft 16 is connected with a first screw pair named as a first screw pair, the first screw pair comprises a first screw 17 and a first sliding table 18, two ends of the first screw 17 are rotationally connected with an external working platform, the first sliding table 18 is positioned between two ends of the first screw 17, the first screw 17 rotates through the first sliding table 18, a rotary connecting part of the first screw 17 and the first sliding table 18 is provided with balls, when the first screw 17 rotates, the balls rotate around the screw, thereby driving the first sliding table 18 to perform translational motion along a rotary axis of the first screw 17, when the first screw 16 rotates, the first sliding table 17 drives the first screw 17 to rotate, and the first sliding table 18 is in a natural state without a return spring, and the first spring is in a state of being opened, and the second spring is in a state of being opened; when the sliding table slides to apply force to the first switch 12, the first return spring 19 is compressed, the first switch 12 is closed, and when the servo motor stops working, the working shaft and the secondary shaft 16 stop rotating, wherein the first return spring 19 is selected from springs with elasticity larger than the force required by rolling of balls between the first sliding table 18 and the first screw rod 17, such as some commercially available compression springs and suspension springs, so as to ensure that after the external force applied to the first switch 12 disappears, the balls between the first sliding table 18 and the first screw rod 17 can roll under the strong resilience force of the first return spring 19, thereby driving the first sliding table 18 to slide in a direction away from the first switch 12 until the first return spring 19 is in a natural telescopic state, and the first switch 12 can be opened;

a coaxial small diameter shaft 20 is installed at one end of the scroll 1, the small diameter shaft 20 rotates along with the rotation of the scroll 1, the small diameter shaft 20 is connected with another screw pair, the screw pair is named as a second screw pair, the second screw pair comprises a second screw 21 and a second sliding table 22, two ends of the second screw 21 are rotationally connected with an external working platform, the second sliding table 22 is positioned between two ends of the second screw 21, the second screw 21 rotates to pass through the second sliding table 22, a ball is arranged at the rotation connecting part of the second screw 21 and the second sliding table 22, when the second screw 21 rotates, the ball rotates around the screw, thereby driving the second sliding table 22 to perform translational motion along the rotation axis of the second screw 21, the small-diameter shaft 20 rotates to drive the second screw 21 to rotate so as to provide power for sliding of the second sliding table 22, the second switch 13 is connected with the second return spring 23, when the second switch 13 is not subjected to external force, the second return spring 23 is in a natural telescopic state, the second switch 13 is closed, when the small-diameter shaft 20 rotates, the second sliding table 22 is finally driven to slide so as to push the second switch 13, the second return spring 23 is compressed, the second switch 13 is opened, the second return spring 23 is selected by a force with a rebound force larger than the force required by rolling of balls between the second sliding table 22 and the second screw 21, when the spool 1 is blocked and does not rotate, the second screw 21 cannot rotate, the second sliding block 22 cannot move, and the second return spring 23 can push the second switch 13 to be closed.

Because of the series circuit, the overload warning lamp 5 will only be on when both switches are closed, i.e. the overload warning lamp 5 will be on when the operating shaft of the motor is rotating and the reel 1 is not rotating.

In this embodiment, please refer to fig. 1 and 2, the rolling shutter door further includes two sliding rails 14, two sliding rails 14 are mounted on the side walls of the tunnel transverse tunnel on the left and right sides of the rolling shutter door 6, the left and right sides of the rolling shutter door 6 are respectively slidably matched with one sliding rail 14, and the sliding direction of the rolling shutter door 6 can be further limited by the sliding rails 14, which is a more conventional design and will not be repeated here.

In this embodiment, referring to fig. 1, the device further includes a rollback box 15, the reel 1 is installed in the rollback box 15, a discharging opening is formed below the rollback box 15, the rolling door 6 is rolled onto the reel 1 from the discharging opening or is discharged out of the rollback box 15 from the reel 1, and the rollback box 15 protects the reel 1 and the rolling door 6 rolled therein.

Referring to fig. 2, the embodiment further includes a transmission component, where the transmission component includes a first bevel gear 24 and a second bevel gear 25, one end of the first bevel gear 24 is fixedly connected with one end of the reel 1, central axes of the first bevel gear and the second bevel gear are collinear, the second bevel gear 25 is meshed with the first bevel gear 24, central axes of the second bevel gear 25 and the first bevel gear are perpendicular to each other, the second bevel gear 25 is connected with the torque limiter 8, and the power component 2 drives the second bevel gear 25 to rotate through the torque limiter 8 to drive the first bevel gear 24 to rotate, so as to drive the reel 1 to rotate. In summary, according to the utility model, by the design that the flexible belt 4 is fixedly installed on the surface of the roller shutter door 6 and is attached to each curtain board 3, the flexible belt 4 limits the possibility of dislocation movement between the curtain boards 3, reduces the probability of faults caused by overlarge load of the roller 1 due to clamping stagnation caused by dislocation of the curtain boards 3, and improves the running reliability of the tunnel car transverse tunnel fire-proof roller shutter; meanwhile, through the design of the overload alarm lamp 5, the series circuit and the torque limiter 8, when the motor works and the reel 1 stops rotating because of overload, the overload alarm lamp 5 can emit bright light, so that a worker is reminded of faults of the roller shutter door 6, and meanwhile, the worker can press a forced descending button to drop the roller shutter door 6 and prevent fire spreading when the worker breaks out of the alarm lamp. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (10)

1. Fireproof rolling shutter for tunnel car transverse tunnel, and is characterized in that: the curtain plate comprises a plurality of reels, power pieces, curtain plates, flexible belts and overload alarm lamps, wherein the long sides of the curtain plates are sequentially hinged together to form a rolling shutter door, and the flexible belts are fixedly arranged on the surface of the rolling shutter door and are attached to each curtain plate;

the top of the rolling door is wound on the scroll, the power piece drives the scroll to rotate, the scroll rotates to drive the rolling door to be wound on the scroll or put down from the scroll, and the flexible belt is wound and put down along with the winding and putting down of the rolling door;

the overload alarm lamp is arranged on the side edge of the roller shutter door, and when the roller shaft is overloaded, the overload alarm lamp emits light.

2. The tunnel travelator fire-protection roller blind according to claim 1, characteri zed in that: when the rolling door is unfolded, the length direction of the flexible belt is parallel to the height direction of the rolling door.

3. The tunnel travelator fire-protection roller blind according to claim 1, characteri zed in that: the flexible belt and each of the slats are fixedly attached together by rivets.

4. The tunnel travelator fire-protection roller blind according to claim 1, characteri zed in that: the flexible belts are fixedly arranged on the surface of the roller shutter door from left to right in sequence.

5. The tunnel travelator fire-protection roller blind according to claim 1, characteri zed in that: the flexible belts are arranged on the front surface and the rear surface of the rolling door, and the flexible belts are fixedly arranged on the front surface and the rear surface of the rolling door.

6. The tunnel travelator fire-protection roller blind according to claim 1, characteri zed in that: the material of the flexible belt is flexible graphite packing.

7. The tunnel travelator fire-protection roller blind according to claim 1, characteri zed in that: the power piece comprises an output end, the torque limiter is arranged between the output end of the power piece and one end of the scroll, and the power piece drives the scroll to rotate through the torque limiter.

8. The tunnel travelator fire-protection roller blind according to claim 1, characteri zed in that: the automatic control device is characterized by further comprising a forced lifting switch and a forced descending switch, wherein the forced lifting switch, the forced descending switch and the overload alarm lamp are arranged on the same side of the roller shutter door, and the overload alarm lamp is controlled by a series circuit;

the series circuit comprises a first switch and a second switch, wherein the first switch is closed when the power piece works, and the first switch is opened when the power piece stops working;

when the reel rotates, the second switch is opened, and when the reel stops rotating, the second switch is closed.

9. The tunnel travelator fire-protection roller blind according to claim 1, characteri zed in that: the rolling shutter door comprises a rolling shutter door body and is characterized by further comprising two sliding rails, wherein the two sliding rails are arranged on the left side and the right side of the rolling shutter door body, and the left side and the right side of the rolling shutter door body are respectively in sliding fit with the sliding rails.

10. The tunnel travelator fire-protection roller blind according to claim 1, characteri zed in that: the rolling door is wound on the reel from the unwinding opening or is unwound from the reel to the outside of the rewinding box.