CN216690755U - A safe lifting door for circulating stereo garage - Google Patents

Abstract

The utility model discloses a safety lifting door for a circulating stereo garage, and relates to the field of stereo garages. The device comprises two upright posts which are oppositely arranged and a rotating shaft which is connected between the two upright posts through a fixing frame, wherein a driving motor for driving the rotating shaft to rotate is arranged at one end part of the rotating shaft on each upright post; the lower end of the rotating shaft is connected with a door plate through a pull rope, and a take-up pulley for winding the pull rope is arranged on the rotating shaft; the upright post is provided with sliding rails corresponding to the two sides of the door panel along the length direction, and the pull rope can be used for pulling the door panel to move up and down linearly along the sliding rails. The safety lifting door is reasonable in structural design and good in safety performance, and the door plate is closed after the whole garage is parked, so that animals or children can be prevented from entering the garage, and the safety lifting door is safer when the animals are parked or taken out; the falling prevention assembly can prevent the broken door plate of the steel wire rope from falling accidentally; the counterweight torsion spring is used for applying preset torque to the rotating shaft, so that the counterweight effect is achieved, a smaller driving motor can be used, and the cost is reduced.

Description

A safe lifting door for circulating stereo garage

Technical Field

The utility model relates to the field of stereo garages, in particular to a safety lifting door for a circulating stereo garage.

Background

Along with the increase of car holding capacity, the difficult problem of parking is prominent day by day, and perpendicular circulation stereo garage more and more receives people's favor, and the appearance of perpendicular circulation stereo garage has alleviated the urban land problem greatly when taking into account parking, the efficiency of getting the car. When a vertical circulating stereo garage parks, the car carrying hanger rotates circularly in the vertical direction, children lie on the road rail to watch parking or enter the garage from the rail gap, animals such as domestic dogs enter the garage through the rail gap, and therefore danger can occur during parking or car taking and safety parking is not facilitated; therefore, the garage needs to be closed by the lifting door in a conventional state and opened again during parking or taking a car, and the automatic lifting door used on the conventional vertical circulating stereo garage is simple and crude, poor in safety, high in cost and inconvenient to maintain, install and adjust.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems of the existing garage safety door, and provides the safe lifting door for the circulating stereo garage, which has the advantages of reasonable structural design, good safety performance, capability of preventing the door panel from accidentally falling, capability of preventing animals or children from entering the garage after the whole garage is parked and preventing the animals or children from entering the garage when the garage is parked or picked up, and safety.

In order to achieve the purpose, the utility model provides the following technical scheme:

a safe lifting door for a circulating stereo garage comprises two oppositely arranged stand columns and a rotating shaft connected between the two stand columns through a fixing frame, wherein a driving motor used for driving the rotating shaft to rotate is arranged at one end part of each stand column, which is positioned on the rotating shaft; the lower end of the rotating shaft is connected with a door plate through a pull rope, and a take-up pulley for winding the pull rope is arranged on the rotating shaft; the upright post is provided with sliding rails corresponding to two sides of the door plate along the length direction, and the pull rope can be used for pulling the door plate to move linearly up and down along the sliding rails.

Preferably, the fixing frame comprises a cross beam fixedly connected between the two upright posts and a bearing support connected to the lower end of the cross beam, and the rotating shaft is connected to the bearing support.

Preferably, the pivot is coaxial to be provided with the counter weight torsional spring, the one end fixed connection of counter weight torsional spring is in one side of bearing bracket, the other end of counter weight torsional spring passes through connecting piece and pivot fixed connection.

Preferably, the take-up pulley is a cone pulley, and the take-up pulley and the rotating shaft are coaxially fixed.

Preferably, the take-up pulley is two and is arranged at two ends of the rotating shaft.

Preferably, the two sides of the door plate are connected with a plurality of connecting shafts which are transversely arranged along the vertical direction, the sliding rails are provided with sliding grooves along the length direction, and the end parts of the connecting shafts are provided with pulleys matched with the sliding grooves.

Preferably, one end of the pull rope is connected to the take-up pulley, and the other end of the pull rope extends to the bottom end of the door panel and is connected with the door panel through the anti-falling assembly.

Preferably, the anti-falling assembly comprises a fixed frame fixedly connected to the door panel and a movable frame coaxially connected with the fixed frame through a hinge shaft, a reset torsion spring is arranged on the hinge shaft, one end of the reset torsion spring is connected to the fixed frame, the other end of the reset torsion spring is connected to the movable frame, and the pull rope is fixedly connected with the movable frame and can pull the movable frame to drive the drive torsion spring to open; one side of the movable frame is connected with a baffle which can be used for abutting against one side of the sliding rail.

Preferably, a first photoelectric sensor for detecting whether foreign matters exist at the lower end of the door panel is arranged on one side of the upright post corresponding to the door panel; and the bottom end of the door plate is provided with an air bag.

Preferably, the driving motor is a servo motor and is connected with a servo controller and a PLC system; the driving motor is connected with the rotating shaft through a speed reducer; and a second photoelectric sensor for detecting the maximum stroke or the minimum stroke of the door panel is arranged on one side of the upright post corresponding to the door panel.

Compared with the prior art, the utility model has the beneficial effects that: the safety lifting door for the circulating stereo garage is reasonable in structural design and good in safety performance, and after the whole garage is parked, the door plate is closed, so that animals or children can be prevented from entering the garage, and the safety lifting door is safer when the garage is parked or taken; the falling prevention assembly can prevent the broken door plate of the steel wire rope from falling accidentally; the counterweight torsion spring is used for applying a preset torque to the rotating shaft to play a role of counterweight, a smaller driving motor can be used, the cost is reduced, and meanwhile, the door plate can be slowly lowered under the condition that the driving motor is damaged, so that the door plate is safer; the servo motor is used for controlling, meanwhile, the PLC system reads feedback information of the driving motor in real time, whether the action of the door panel is abnormal or not is judged in real time, and when the door panel collides with a foreign matter or the information is abnormal, the door panel is immediately subjected to relevant processing such as emergency stop and the like; meanwhile, the lifting door has a self-recovery function, when the door plate is used for a long time, the door plate has an error in a stroke, and the door plate is corrected and reset through the servo controller and the PLC system, so that the maintenance and debugging cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a block diagram of a safety lift gate in an embodiment of the present invention;

FIG. 2 is a schematic view of another embodiment of a safety lift gate according to the present invention;

FIG. 3 is a partial schematic view of A in example A of the present invention;

FIG. 4 is a partial schematic view of embodiment B of the present invention;

FIG. 5 is a schematic view of the connection of the cross member to the rotating shaft in the embodiment of the present invention;

FIG. 6 is a schematic illustration of the construction of the fall arrest assembly in an embodiment of the present invention;

FIG. 7 is an exploded schematic view of the fall arrest assembly in an embodiment of the present invention;

in the figure: 10 is a column, 11 is a beam, 12 is a connecting frame, 20 is a rotating shaft, 21 is a pull rope, 22 is a take-up pulley, 23 is a counterweight torsion spring, 24 is a driving motor, 25 is a speed reducer, 26 is a bearing support, 30 is a door panel, 31 is a sliding rail, 32 is a connecting shaft, 33 is a pulley, 34 is an airbag, 35 is a hinge, 40 is a lower end sensor, 41 is an upper end sensor, 42 is an outer side sensor, 43 is an inner side sensor, 50 is an anti-falling assembly, 51 is a fixing frame, 511 is a first connecting plate, 512 is a first side plate, 513 is a guide groove, 52 is a movable frame, 521 is a second connecting plate, 522 is a second side plate, 523 is a fixing sleeve, 53 is a baffle, 54 is a hinge shaft, and 55 is a reset torsion spring.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description.

In the description of the present application, it is to be understood that the terms "intermediate," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus should not be construed as limiting the present application. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In addition, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are intended to be inclusive and mean, for example, that there may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The embodiment is as follows: referring to fig. 1-7, the utility model mainly aims at the problems that when an existing vertical circulation stereo garage is parked, a car carrying hanger rotates circularly in a vertical direction, a child lies on a road rail to watch parking or enters the garage from a rail gap, or an animal enters the garage through the rail gap, so that danger may occur during parking or car taking, and an automatic lifting door used on the existing vertical circulation stereo garage is simple and crude, poor in safety, high in cost, inconvenient to maintain, install and adjust and the like, and provides a safety lifting door which is used for the vertical circulation stereo garage, as shown in fig. 1 and 2, and comprises two oppositely arranged upright posts 10 and a rotating shaft 20 connected between the two upright posts 10 through a fixing frame, in the embodiment, the two upright posts 10 are arranged in parallel in the vertical direction, and the rotating shaft 20 is connected between the two upright posts 10 to form a door-shaped structure, a driving motor 24 for driving the rotation of the rotating shaft 20 is disposed at one end of the upright post 10 located at the rotating shaft 20, in this embodiment, the driving motor 24 is a servo motor and is connected to a servo controller and a PLC system, and the driving motor 24 is connected to the rotating shaft 20 through a reducer 25 to achieve the effect of reducing the speed of the rotating shaft 20; the lower end of the rotating shaft 20 is connected with a door panel 30 through a pull rope 21, and a take-up pulley 22 for winding the pull rope 21 is arranged on the rotating shaft 20; the upright post 10 is provided with sliding rails 30 corresponding to two sides of the door panel 30 along the length direction, and the two sides of the door panel 30 are limited by the sliding rails 30, so that the door panel 30 is prevented from shaking; when the garage is used, the driving motor 24 drives the rotating shaft 20 to drive the take-up pulley 22 to rotate, and the pull rope 21 is driven to be wound or released on the take-up pulley 22, so that the door plate 30 is pulled to linearly move up and down along the slide rail 30. In the present embodiment, the slide rail 30 is fixedly connected to the upright 10 through the connecting frame 12.

Specifically, the fixing frame includes a cross beam 11 vertically and fixedly connected between the two columns 10 and a bearing bracket 26 fixedly connected to the lower end of the cross beam 11, the rotating shaft 20 is connected to the bearing bracket 26 through a bearing, the number of the bearing brackets 26 is one or more, in this embodiment, the number of the bearing brackets 26 is three, and the bearing brackets are fixedly connected to the lower end of the cross beam 11, so as to prevent the main shaft from deforming under the pulling force of the pulling rope 21.

In a specific embodiment, the rotating shaft 20 is coaxially provided with a counterweight torsion spring 23, one end of the counterweight torsion spring 23 is fixedly connected to one side of the bearing bracket 26, and the other end of the counterweight torsion spring 23 is fixedly connected to the rotating shaft 20 through a connecting member. In this embodiment, the counterweight torsion spring 23 is coaxially connected to the rotating shaft 20, the driving motor 24 drives the take-up pulley 22 to rotate, the door panel 30 moves downward along the sliding rail 30, and at this time, the counterweight torsion spring 23 gradually opens under the rotation of the rotating shaft 20; when driving motor 24 drive pivot 20 made take-up pulley 22 retrieve winding stay cord 21, counter weight torsional spring 23 resets gradually, exerts predetermined moment of torsion to pivot 20 through using counter weight torsional spring 23, plays the effect of counter weight, can make more miniature driving motor, and reduce cost can make door plant decline speed slow simultaneously under the condition that driving motor 24 damaged, and the security performance is good.

Specifically, the take-up pulley 22 is coaxially fixed to the rotating shaft 20, and the pull rope 21 is wound or released by the take-up pulley 22, and the pull rope 21 is a steel rope to improve the rigidity of the pull rope 21. In this embodiment, the take-up pulley 22 is a cone pulley, which is a take-up pulley 22 having a tapered structure with a gradually increasing radius, and when such a take-up pulley 22 is applied, the radius of the take-up pulley 22 increases sequentially from one end to the other end, the circumference corresponding to each turn increases gradually, and if the load is not changed, the moment on the axis of the take-up pulley 22 also increases gradually. Further, a tip fixed connection of stay cord 21 is in the less one end of diameter on take-up pulley 22, the other end is connected with door plant 30, when the take-up pulley 22 retrieves the winding and acts as go-between, stay cord 21 is located the great one end winding of diameter to the less one end of diameter on the take-up pulley 22, in the twinkling of an eye that door plant 30 promoted, the moment of torsion of requirement is bigger, to driving motor 24, the moment of torsion is rated, consequently, the cone pulley is adopted in this application, driving motor 24 can be with a less grade, the take-up speed is guaranteed simultaneously to the cost that reduces. Further, the take-up pulley 22 is two and is disposed at two ends of the rotating shaft 20, so that the stress at two ends of the door panel 30 is uniform, and the ascending process is more stable. However, the application can also adopt an I-shaped take-up pulley, and the cone pulley is adopted to arrange the coils regularly in the take-up process compared with the I-shaped take-up pulley, so that the take-up is smoother, and the phenomenon that the pull rope 21 is wound on the take-up pulley 22 to influence the normal movement of the door plate 30 is avoided.

Specifically, as shown in fig. 3, two sides of the door panel 30 are connected with a plurality of connecting shafts 32 arranged transversely along the vertical direction, the sliding rail 30 is provided with sliding grooves along the length direction, and the end portions of the connecting shafts 32 are provided with pulleys 33 matched with the sliding grooves. In this embodiment, slide rail 30 and stand 10 parallel arrangement and set up in the both sides of door plant 30 relatively, be equipped with the spout of T shape along vertical direction on the slide rail 30, be equipped with the pulley 33 that can remove along the spout in the spout, the one end of connecting axle 32 rotates with the pulley 33 that is located the spout to be connected, another of connecting axle 32 passes through hinge 35 and connects in the back of door plant 30, an organic whole is equipped with the axle sleeve of horizontal setting on the hinge 35, in connecting axle 32 alternates and is fixed in the axle sleeve, hinge 35 passes through screw and door plant 30 fixed connection, in the stupid embodiment again, pulley 33, connecting axle 32, the quantity of hinge 35 is a plurality ofly, the stationarity that door plant 30 reciprocated has been improved, avoid door plant 30 to rock.

Specifically, the one end of stay cord 21 is connected on take-up pulley 22, and the other end of stay cord 21 extends to the bottom of door plant 30 and is connected with door plant 30 through preventing weighing down subassembly 50, and when stay cord 21 broke, prevent that weighing down subassembly 50 can effectively stop door plant 30 on slide rail 31, prevent that door plant 30 from further tenesmus, improved the security performance.

In the present embodiment, referring to fig. 4, 6 and 7, the anti-falling assembly 50 includes a fixed frame 54 fixedly connected to the door panel 30 and a movable frame 52 coaxially connected to the fixed frame 54 through a hinge shaft 54, the fixed frame 54 and the movable frame 52 are both U-shaped frames, the fixed frame 54 includes a first connecting plate 511 and a first side plate 512 integrally connected to both sides of the first connecting plate 511; the movable frame 52 comprises a second connecting plate 521 and second side plates 522 integrally connected to two sides of the second connecting plate 521, connecting holes are formed in the first side plate 512 and the second side plate 522, one end of the hinge shaft 54 penetrates through the connecting holes to hinge the fixed frame 54 and the movable frame 52, the other end of the hinge shaft extends into the sliding groove to be connected with the pulley 33, and the fixed frame 54 and the movable frame 52 are arranged oppositely. Further, a reset torsion spring 55 sleeved on the hinge shaft 54 is arranged in the fixed frame 54 or the movable frame 52, one end of the reset torsion spring 55 is connected to the first connecting plate 511 of the fixed frame 54, and the other end of the reset torsion spring 55 is fixedly connected to the second side plate 522 of the movable frame 52. In this embodiment, the anti-falling assembly 50 is connected to a lower end corner of the inner side of the door panel 30, the first connecting plate 511 is fixedly connected to the inner side of the door panel 30 in an attaching manner, the second connecting plate 521 is fixedly connected with the baffle 53, and an edge of the second connecting plate 521 where the baffle 53 extends is connected to one side edge of the baffle 53; one end of the pull rope 21 extends to the bottom end of the door panel 30 and is fixedly connected with the movable frame 52, and the pull rope 21 can pull the movable frame 52 to drive the reset torsion spring 55 to open; furthermore, one side of the fixed frame 54 is provided with a guide groove 513, the pull rope 21 is fixedly connected with the movable frame 52 along the guide groove 513, and one side of the movable frame 52 is provided with a fixed sleeve 523 for fixing the pull rope 21; in a specific embodiment, the door panel 30 is provided with a plurality of position-limiting rings on the side wall, one end of the pull rope 21 is connected to the take-up pulley 22, and the other end passes through the position-limiting rings to be connected to the anti-falling assembly 50. When the device is used, the pull rope 21 is in a tight state under the action of the gravity of the door plate 30 and the tension of the take-up pulley 22, and the movable frame 52 is tensioned, so that the reset torsion spring 55 is opened; if the stay cord fracture, the door plant 30 accident falls, then the torsional spring that resets 55 resets and drive movable frame 52 and rotate along articulated shaft 54, makes baffle 53 butt in one side of slide rail 30, and door plant 30 presss from both sides between baffle 53 and slide rail 30 this moment, can effectively stop door plant 30 on slide rail 31 through baffle 53, prevents that door plant 30 from weighing down to the security performance is improved.

Specifically, a first photoelectric sensor for detecting whether foreign matter exists at the lower end of the door panel 30 is arranged on one side of the upright post 10 corresponding to the door panel 30; in this embodiment, the first photoelectric sensor includes an outside sensor 42 located on the pillar 10 and close to the outside of the door panel 30 and an inside sensor 43 located close to the inside of the door panel 30, the outside sensor 42 is used to detect whether there is a foreign object on the outside of the door panel 30, the inside sensor 43 is used to detect whether there is a foreign object on the inside of the door panel 30, and if there is a foreign object on the outside or inside of the door panel 30 detected during the descending process of the door panel 30, the door panel 30 is controlled by the PLC system to stop descending. Further, the bottom end of door plant 30 is equipped with air bag 34, and air bag 34 is equipped with the gasbag sensor, and in the door descending process, the gasbag sensor detects under door plant 30 and touches the foreign matter or will touch the foreign matter when, and the gasbag sensor triggers air bag 34 to control door plant 30 stops to descend.

Specifically, a second photoelectric sensor for detecting the maximum stroke or the minimum stroke of the door panel 30 is disposed on one side of the pillar 10 corresponding to the door panel 30. In the present embodiment, the second photoelectric sensor includes an upper end sensor 41 and a lower end sensor 40, the upper end sensor 41 is fixed to the upper end of the pillar 10 and located at the highest movable position of the door panel 30, and the lower end sensor 40 is fixed to the lower end of the pillar 10 and located at the lowest movable position of the door panel 30. When the driving motor 24 drives the door panel 30 to move up and down for a long time, the door panel 30 has an error in stroke, so that the door panel 30 continues to descend when descending to the bottommost end, after the door panel 30 descends to exceed the position of the lower end sensor 40, the lower end sensor 40 is triggered, the driving motor 24 controls the door panel 30 to enter a self-recovery state, the PLC system controls the door panel 30 to reset upwards, until the upper end sensor 41 is triggered, the PLC system reestablishes a coordinate system, and meanwhile, the door panel is automatically closed, and the door panel is reset; the drive motor 24 is controlled by the PLC system, and the PLC system reads the feedback information (including current, voltage, torque, etc. of the motor) of the motor in real time, determines whether the motion of the door panel 30 is abnormal in real time, and immediately performs relevant processing such as emergency stop on the door panel 30 when the door panel collides with a foreign object or the information is abnormal.

The safety lifting door for the circulating stereo garage is reasonable in structural design and good in safety performance, and after the whole garage is parked, the door plate is closed, so that animals or children can be prevented from entering the garage, and the safety lifting door is safer when the animals or children park or take the cars; the falling prevention assembly 50 can prevent the door panel 30 with broken steel wire rope from falling accidentally; the counterweight torsion spring 23 is used for applying a preset torque to the rotating shaft to play a counterweight role, a smaller driving motor can be used, the cost is reduced, and meanwhile, the door plate 30 can be slowly lowered under the condition that the driving motor is damaged, so that the counterweight torsion spring has higher safety; the servo motor is used for controlling, meanwhile, the PLC system reads feedback information of the driving motor in real time, whether the action of the door panel is abnormal or not is judged in real time, and when the door panel collides with a foreign matter or the information is abnormal, the door panel is immediately subjected to relevant processing such as emergency stop and the like; meanwhile, the lifting door has a self-recovery function, when the door plate is used for a long time, the door plate has an error in a stroke, and the door plate is corrected and reset through the servo controller and the PLC system, so that the maintenance and debugging cost is reduced.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (10)

1. A safe lifting door for a circulating stereo garage is characterized by comprising two oppositely arranged stand columns and a rotating shaft connected between the two stand columns through a fixing frame, wherein a driving motor for driving the rotating shaft to rotate is arranged at one end part of each stand column, which is positioned on the rotating shaft; the lower end of the rotating shaft is connected with a door plate through a pull rope, and a take-up pulley for winding the pull rope is arranged on the rotating shaft; the upright post is provided with sliding rails corresponding to two sides of the door plate along the length direction, and the pull rope can be used for pulling the door plate to move linearly up and down along the sliding rails.

2. The safety lifting door for the circulating stereo garage of claim 1, wherein the fixing frame comprises a cross beam fixedly connected between the two upright columns and a bearing support connected to the lower end of the cross beam, and the rotating shaft is connected to the bearing support.

3. The safety lifting door for the circulating stereo garage of claim 2, wherein the rotating shaft is coaxially provided with a counterweight torsion spring, one end of the counterweight torsion spring is fixedly connected to one side of the bearing support, and the other end of the counterweight torsion spring is fixedly connected with the rotating shaft through a connecting piece.

4. The safety lift gate for the circulating stereo garage of claim 1, wherein the take-up pulley is a cone pulley, and the take-up pulley and the rotating shaft are coaxially fixed.

5. The safety lifting door for the circulating stereo garage of claim 4, wherein the take-up pulley is two and is arranged at two ends of the rotating shaft.

6. The safety lifting door for the circulating stereo garage according to claim 1, wherein a plurality of connecting shafts which are transversely arranged are connected to two sides of the door plate along a vertical direction, sliding grooves are formed in the sliding rails along a length direction, and pulleys matched with the sliding grooves are arranged at end portions of the connecting shafts.

7. The safety lift gate for the circulating stereo garage of claim 1, wherein one end of the pull rope is connected to the take-up pulley, and the other end of the pull rope extends to the bottom end of the door panel and is connected with the door panel through the anti-falling assembly.

8. The safety lifting door for the circulating stereo garage according to claim 7, wherein the anti-falling assembly comprises a fixed frame fixedly connected to the door plate and a movable frame coaxially connected with the fixed frame through a hinge shaft, a reset torsion spring is arranged on the hinge shaft, one end of the reset torsion spring is connected to the fixed frame, the other end of the reset torsion spring is connected to the movable frame, and the pull rope is fixedly connected with the movable frame and can pull the movable frame to drive the torsion spring to open; one side of the movable frame is connected with a baffle which can be used for abutting against one side of the sliding rail.

9. The safety lifting door for the circulating stereo garage of claim 1, wherein a first photoelectric sensor for detecting whether foreign matters exist at the lower end of the door panel is arranged on one side of the upright post corresponding to the door panel; and the bottom end of the door plate is provided with an air bag.

10. The safety lifting door for the circulating stereoscopic garage of claim 1, wherein the driving motor is a servo motor and is connected with a servo controller and a PLC system; the driving motor is connected with the rotating shaft through a speed reducer; and a second photoelectric sensor for detecting the maximum stroke or the minimum stroke of the door panel is arranged on one side of the upright post corresponding to the door panel.

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