CN217697937U

CN217697937U - Integrated stage fireproof curtain damping machine

Info

Publication number: CN217697937U
Application number: CN202220593245.XU
Authority: CN
Inventors: 樊荣
Original assignee: Jiangsu Liying Stage Technology Co ltd
Current assignee: Jiangsu Liying Stage Technology Co ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-11-01
Anticipated expiration: 2032-03-18

Abstract

The utility model discloses an integrated stage fireproof curtain damping machine, which comprises a speed reducer; the other side of the speed reducer is fixedly arranged on the side vertical plate; the side vertical plates are fixed on the frame; one side of speed reducer still be provided with the hydro-cylinder, during the use, in the outside recess of hydro-cylinder the wire rope winding that will be used for the lift curtain, the wire rope head utilizes the clamp plate bolt to fix the one end at the hydro-cylinder, when the curtain needs to descend, the speed reducer drives the hydro-cylinder rotatory, wire rope at this moment begins to unreel from the hydro-cylinder, thereby realize the decline of curtain, if when the conflagration appears, need the quick descending of fire prevention curtain to the stage on, hydraulic oil at this moment enters into inside the hydro-cylinder, and flow to the right side of piston through the check valve, hydraulic oil along with the hydro-cylinder right side constantly increases, force the piston to move left, because the end fixing of screw rod, the piston begins to rotate this moment, with this rotational speed of hydro-cylinder has been accelerated, thereby can be with the quick descending of fire prevention curtain to the stage on.

Description

Integrated stage fireproof curtain damping machine

Technical Field

The utility model relates to a relevant technical field of attenuator specifically is an integral type stage fire prevention curtain damping machine.

Background

The rigid fire-proof curtain of the stage is arranged at the position of a stage port and is a special safe fire-proof door. The two sides of the fire-proof curtain are provided with the operation guide rails, the periphery of the fire-proof curtain and the building wall body are provided with the sealing devices, a platform opening can be rapidly sealed under the condition of fire, the stage and an audience hall or the region outside the stage are isolated, and the fire spreading and smoke diffusion are prevented.

Traditional attenuator does not have the function of promoting and descending, and when the curtain was higher than 2.5 meters, when the curtain descends, the curtain was fallen the impact force in the twinkling of an eye to wire rope and damping machine equipment by the free fall, not only had great damage to the attenuator, and the motor also has damaged to some extent moreover, uses unsafe.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integral type stage fire prevention curtain damping machine to solve traditional attenuator that proposes in the above-mentioned background art and do not have the function of promoting and descending, when the curtain is higher than 2.5 meters, when the curtain descends, the free fall of curtain not only has great damage to the attenuator to wire rope and damping machine equipment's impact force in the twinkling of an eye, and the motor also damages to some extent moreover, uses unsafe problem.

In order to achieve the above object, the utility model provides a following technical scheme:

an integrated stage fire curtain damper comprises a limit counter, wherein the limit counter is fixedly arranged on one side of a support plate, and the support plate is fixedly arranged on a rack; a speed reducer is fixedly arranged on one side of the supporting plate; the other side of the speed reducer is fixedly arranged on the side vertical plate; the side vertical plates are fixed on the frame; an oil cylinder is arranged on one side of the speed reducer; and a driving motor is arranged at the top of the speed reducer.

Preferably, one side of the speed reducer is provided with a connecting bolt, and the connecting bolt is connected with the limit counter.

Preferably, the outer surface of the oil cylinder is cylindrical, and a plurality of steel wire rope winding grooves with the R6, the groove distance of 12 and the groove depth of 2 are formed in the outer part of the oil cylinder.

Preferably, a one-way valve is arranged inside the oil cylinder; the one-way valve is fixed on a piston, and the piston is movably connected inside the oil cylinder.

Preferably, a copper nut is arranged in the middle of the piston in a matching manner; the copper nut is arranged on the screw in a matching way, and the screw is arranged on the outer end cover through a bearing.

Preferably, a bearing seat is fixed outside the outer end cover; the outer part of the bearing seat is connected with a second support plate through a bearing; and the second supporting plate is provided with a positioning pin.

Preferably, the piston is further provided with a guide shaft sleeve; the guide shaft sleeve is internally provided with a flow guide shaft which penetrates through the outside of the oil cylinder and is provided with a flow control valve in a matching way.

Preferably, the supporting plate, the side vertical plate and the second supporting plate are fixedly installed with the rack through rack screws.

Compared with the prior art, the beneficial effects of the utility model are that: when the fireproof curtain is used, a steel wire rope for lifting the curtain is wound in a groove outside an oil cylinder, a steel wire rope head is fixed at one end of the oil cylinder through a pressing plate bolt, when the curtain needs to descend, a speed reducer drives the oil cylinder to rotate, the steel wire rope at the moment is unreeled from the oil cylinder, so that the curtain descends, if a fire disaster occurs, a fireproof curtain needs to quickly descend to a stage, hydraulic oil at the moment enters the oil cylinder and flows to the right side of a piston through a one-way valve, the piston is forced to move leftwards along with the continuous increase of the hydraulic oil at the right side of the oil cylinder, the end of a screw is fixed, the piston starts to rotate at the moment, the rotating speed of the oil cylinder is accelerated, so that the fireproof curtain can quickly descend to the stage, and the two driving modes in the novel type can quickly descend the curtain within 45 seconds;

when the curtain landing speed is too fast, the flow control valve is opened, hydraulic oil at the right end of the oil cylinder is discharged, the left side pressure of the piston is larger than the right side pressure, and therefore the piston is pushed to move rightwards.

Drawings

Fig. 1 is a schematic structural view of an integrated stage fire curtain damper of the present invention;

fig. 2 is a partial enlarged view of the integrated stage fire curtain damper of the present invention;

fig. 3 isbase:Sub>A sectional view taken frombase:Sub>A-base:Sub>A of fig. 1 in the integrated stage fire curtain damper of the present invention. In the figure 1, a limit counter; 2. a support plate; 3. a speed reducer; 4. a side vertical plate; 5. an oil cylinder; 6. a one-way valve; 7. a piston; 8. a copper nut; 9. a screw; 10. an outer end cover; 11. a bearing; 12. a bearing seat; 13. a second support plate; 14. positioning pins; 15. a guide shaft sleeve; 16. a flow guide shaft; 17. a flow control valve; 18. a frame; 19. a frame screw; 20. and connecting the bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an integrated stage fire curtain damper comprises a limit counter 1, wherein the limit counter 1 is fixedly arranged on one side of a support plate 2, and the support plate 2 is fixedly arranged on a rack 18; a speed reducer 3 is fixedly arranged on one side of the supporting plate 2; the other side of the speed reducer 3 is fixedly arranged on the side vertical plate 4; the side vertical plate 4 is fixed on the frame 18; an oil cylinder 5 is also arranged on one side of the speed reducer 3; and a driving motor is arranged at the top of the speed reducer 3.

Preferably, a connecting bolt 20 is arranged at one side of the speed reducer 3, and the connecting bolt 20 is connected with the limit counter 1.

Preferably, the outer surface of the oil cylinder 5 is cylindrical, and a plurality of steel wire rope winding grooves with the groove distance of 12 and the groove depth of 2 are formed in the outer part of the oil cylinder 5.

Preferably, a one-way valve 6 is arranged inside the oil cylinder 5; the one-way valve 6 is fixed on a piston 7, and the piston 7 is movably connected inside the oil cylinder 5.

Preferably, a copper nut 8 is arranged in the middle of the piston 7 in a matching manner; the copper nut 8 is arranged on a screw rod 9 in a matching mode, and the screw rod 9 is arranged on an outer end cover 10 through a bearing 11.

Preferably, a bearing seat 12 is fixed on the outer part of the outer end cover 10; a second supporting plate 13 is connected to the outside of the bearing seat 12 through a bearing 11; the second support plate 13 is provided with a positioning pin 14.

Preferably, the piston 7 is further provided with a guide shaft sleeve 15; the guide shaft sleeve 15 is internally provided with a flow guide shaft 16, and the flow guide shaft 16 penetrates through the oil cylinder 5 and is provided with a flow control valve 17 in a matching way.

Preferably, the supporting plate 2, the side standing plate 4 and the second supporting plate 13 are all fixedly mounted with the frame 18 through a frame screw 19.

It should be noted that, the utility model relates to an integral type stage fire prevention curtain damping machine, when using, wire rope winding that will be used for the lift curtain is in the outside recess of hydro-cylinder 5, the wire rope head utilizes clamp plate bolt to fix the one end at hydro-cylinder 5, when the curtain needs to descend, speed reducer 3 drives hydro-cylinder 5 rotatory, wire rope at this moment begins to unreel from hydro-cylinder 5, thereby realize the decline of curtain, if when the conflagration appears, the quick landing of fire prevention curtain is required to the stage, hydraulic oil at this moment enters into hydro-cylinder 5 inside, and flow to the right side of piston 7 through check valve 6, hydraulic oil along with hydro-cylinder 5 right side constantly increases, force piston 7 to move left, because the end fixing of screw rod 9, piston 7 begins to rotate at this moment, thereby the rotational speed of hydro-cylinder 5 has been accelerated, thereby can be with the quick landing of fire prevention curtain to the stage, two kinds of drive methods in the utility model, can descend the curtain in 45 seconds fast;

when the falling speed of the curtain is too high, the flow control valve 17 is opened, hydraulic oil at the right end of the oil cylinder 5 is discharged, the left side pressure of the piston 7 is larger than the right side pressure, so that the piston 7 is pushed to move rightwards, and the piston 7 starts to rotate at the moment due to the fixed end of the screw 9, so that the rotating speed of the oil cylinder 5 is reduced, the rotating speed of equipment is reduced, and the damage to the speed reducer 3 caused by impact force generated by free falling motion is avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an integral type stage fire prevention curtain damping machine which characterized in that: the device comprises a limit counter (1), wherein the limit counter (1) is fixedly arranged on one side of a support plate (2), and the support plate (2) is fixedly arranged on a rack (18); a speed reducer (3) is fixedly arranged on one side of the supporting plate (2); the other side of the speed reducer (3) is fixedly arranged on the side vertical plate (4); the side vertical plates (4) are fixed on the frame (18); an oil cylinder (5) is also arranged on one side of the speed reducer (3); and a driving motor is arranged at the top of the speed reducer (3).

2. The integrated stage fire curtain damper as recited in claim 1, wherein: one side of the speed reducer (3) is provided with a connecting bolt (20), and the connecting bolt (20) is connected with the limit counter (1).

3. The integrated stage fire curtain damper as recited in claim 2, wherein: the outer surface of the oil cylinder (5) is cylindrical, and a plurality of steel wire rope winding grooves with the length of R6, the groove distance of 12 and the groove depth of 2 are formed in the outer part of the oil cylinder (5).

4. The integrated stage fire curtain damper according to claim 3, wherein: a one-way valve (6) is arranged in the oil cylinder (5); the check valve (6) is fixed on the piston (7), and the piston (7) is movably connected inside the oil cylinder (5).

5. The integrated stage fire curtain damper as recited in claim 4, wherein: a copper nut (8) is arranged in the middle of the piston (7) in a matching way; the copper nut (8) is installed on the screw rod (9) in a matching mode, and the screw rod (9) is installed on the outer end cover (10) through the bearing (11).

6. The integrated stage fire curtain damper as recited in claim 5, wherein: a bearing seat (12) is fixed outside the outer end cover (10); the outer part of the bearing seat (12) is connected with a second supporting plate (13) through a bearing (11); and a positioning pin (14) is arranged on the second supporting plate (13).

7. The integrated stage fire curtain damping machine according to claim 5, wherein: the piston (7) is also provided with a guide shaft sleeve (15); and a flow guide shaft (16) is arranged in the guide shaft cylinder sleeve (15), and the flow guide shaft (16) penetrates through the outside of the oil cylinder (5) and is provided with a flow control valve (17) in a matching way.