KR20110012011A - Auxiliary door opening device for industrial automatic door - Google Patents

Abstract

PURPOSE: An auxiliary opening and closing device for an industrial automatic-door is provided to protect the safety of a worker in case of emergency since the automatic door can be forcibly opened. CONSTITUTION: An auxiliary opening and closing device for an industrial automatic-door comprises a case, a shaft, a pulley, a driving bevel gear and a ring block. The shaft is installed in the case. While both ends of the shaft are supported, the shaft can rotate. A wire is wound on the pulley. The pulley is installed on one side of the shaft and rotates along with the shaft. The driving bevel gear selectively engages with a driven bevel gear, which is located in the case. The driving bevel gear is installed on the other side of the shaft and rotates along with the shaft. The ring block guides the horizontal movement of the shaft and enables selective engaging between the bevel gears.

Description

Auxiliary door opening device for industrial automatic door

The present invention relates to an industrial automatic door auxiliary opening and closing device, and more particularly, to an auxiliary opening and closing device that can directly open the industrial automatic door in case of emergency, such as a power failure.

In general, in the case of industrial facilities equipped with large-scale production facilities, the installation of industrial automatic doors is increasing.

The industrial automatic door blocks the inside and outside of the facility to prevent inflow of outside air or invasion of pests, and to allow a forklift or the like to enter and exit a vehicle or a person.

In particular, it is very usefully used in food processing facilities and advanced production facilities that require a clean environment.

Such industrial automatic doors have a structure in which opening and closing of automatic doors are normally performed by driving a frame installed on the upper side of the motor, and a sheet connected to the frame to be linked thereto to move up or down.

For example, as shown in FIG. 7, the industrial automatic door includes a frame 100 installed at an upper portion, a motor 110 for providing power, a seat 120 for blocking or opening an entrance or the like.

The industrial automatic door is opened while the seat 120 is raised when the frame 100 is rotated by the forward driving of the motor 110, and the seat 120 is rotated when the frame 100 is rotated by the reverse driving of the motor 110. Is closed in a descending manner.

However, the conventional industrial automatic door has a problem in that it is difficult to open it when the automatic door is stopped in the event of a power failure or motor failure.

That is, since the automatic door opening and closing method is used to open or close the seat by raising or lowering the seat by the power of the motor, the automatic door may be stopped in a situation where power is not applied to the motor such as a power failure. In addition, in this case, there is a problem that it is not easy to open the automatic door by manpower or the like.

If the automatic opening of the industrial automatic door cannot be performed, the logistics work between the inside and the outside of the facility is not performed until the situation of power failure or breakdown is resolved, and thus the amount of products shipped per hour for large industrial facilities such as semiconductors and LCDs. In consideration of this, there is a huge cost loss caused by the closing of the automatic industrial doors, and there is a need to prepare countermeasures such as there is a high risk of human injury even in an emergency such as a fire.

Accordingly, the present invention has been made in view of the above, by implementing a new type of auxiliary opening and closing means that can be operated by manual operation of the operator while opening the automatic door while being connected to the drive unit for opening and closing of the automatic door, It is possible to forcibly open the automatic doors by manpower even in the event of a motor failure, thereby increasing the efficiency related to the automatic door handling and operation, such as protecting the safety of workers in the event of an emergency such as fire as well as normal distribution. The purpose is to provide an automatic door assist opening and closing device.

Industrial automatic door auxiliary opening and closing device provided by the present invention in order to achieve the above object is a case for accommodating the following parts, the shaft which is horizontally movable and rotated while being supported at both ends while the inside of the case is supported, the wire that can be manually operated A pulley installed on one side of the shaft and rotatable together with the shaft, and engaged with a driven bevel gear extending from the automatic door driving side and entering the case and installed on the other side of the shaft to rotate together with the shaft. Possible driving bevel gears, including a ring block which is rotatably disposed on the other side of the shaft and is rotatably installed and in contact with the shaft side to induce horizontal movement of the shaft to engage the bevel gears. Consisting of power failure or motor It characterized in that that allows worker in an emergency situation, such as Jiangxi to open the automatic doors manually.

Here, the industrial automatic door auxiliary opening and closing device is provided on one side of the shaft further includes a limit switch for detecting the horizontal movement of the shaft through the contact, when the automatic door is operating normally, the operation of the opening and closing device of the operator by mistake In this case, it is desirable to allow the motor to be stopped immediately.

Industrial automatic door auxiliary opening and closing device of the present invention provides the following advantages.

First, since the operator can manually open the automatic door manually in an emergency situation such as a power failure or a motor failure, the logistics work can be carried out between the inside and the outside of the facility without waiting for the power failure or failure to be resolved. It can reduce the huge cost loss caused by the logistical interruption.

In addition, since automatic doors can be easily opened by manual operation of an operator even in a situation in which an automatic door is difficult to open and close in an emergency such as a fire, workers can be quickly evacuated, thereby minimizing human injury.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Figure 1a and 1b is a perspective view showing the appearance of the automatic industrial automatic door auxiliary opening and closing device according to an embodiment of the present invention, Figures 2a and 2b is a perspective view showing the interior of the industrial automatic door auxiliary opening and closing device according to an embodiment of the present invention, Figure 3 is a cross-sectional view showing the interior of the automatic industrial auxiliary door opening and closing device according to an embodiment of the present invention.

The auxiliary opening and closing device is a device that can be manually operated by the operator, and is composed of a mechanism for providing power to the automatic door driving unit by using a bevel gear combination that can be selectively engaged transmission.

To this end, a case 10 having two assembly forms is provided, and a bevel gear inlet 23 and a wire inlet 24 are provided at the upper and lower portions of the case 10, respectively.

The bevel gear entry port 23 is where the driven bevel gear 14 including the shaft extending from the automatic door drive side enters, through which the driven bevel gear 14 may be located inside the case.

At this time, the shaft of the driven bevel gear 14 is connected to each other by a gear assembly (not shown) that transmits the shaft of the worm gear of the drive unit 130 and the rotating shaft power of the motor 110, manual operation through the wire 12 When the rotational force of the driven bevel gear 14 is transmitted to the axis of the worm gear of the drive unit 130, the seat 120 can be elevated by the rotation of the frame 100.

In addition, the wire entry port 24 is a place where a wire 12, for example, a chain 12, which is directly pulled and operated by an operator, enters the wire 12 into the case through the wire 12. After walking around the pulley 13 once again can come out of the case.

Therefore, the operator can rotate the pulley 13 by pulling any one wire.

The inside of the case 10 is provided with a shaft 11 extending from side to side, and the shaft 11 at this time is rotatably installed in a structure in which both ends are supported.

That is, one side of the shaft 11 is supported by being inserted into the shaft support 25 provided in one wall of the case 10, and the other side is supported in the form of being assembled inside the central portion of the ring block 16 described later. .

Here, the shaft support portion 15 is interposed with a spring 21 to always push the shaft 11 to one side, so that the shaft 11 is always located to the right side of the drawing in the absence of operation, the bevel gear The engagement state of the liver can be released.

In addition, a pin 17 is fastened to one end of the shaft 11 at a right angle, and the pin 17 protruding from both sides of the shaft 11 at this time is a pin seating groove 26 provided in the ring block 16. ) Or slide along the inclined surface 18 of the ring block 16.

The pulley 13 is integrally mounted on one side of the shaft 11, and the driving bevel gear 15 is integrally mounted on the other side of the shaft 11.

Accordingly, when the pulley 13 rotates by the operator's operation, the entire shaft 11 and the driving bevel gear 15 may rotate together.

Here, the pulley 13 is a portion in which the wire 12 spans, and the driving bevel gear 15 is selectively disposed in a 90 ° position relationship with a vertical driven bevel gear 14 positioned inside the case. It's interlocking part.

A ring block 16 is provided as a means for the horizontal movement of the shaft 11, that is, for the selective engagement between the bevel gears.

The ring block 16 is disposed in a concentric manner around one end of the shaft 11 and installed in a form supported in the bearing 22 installed on the case 10 side, and is rotated when the shaft 11 rotates. It is rotated with time difference.

As shown in FIG. 4, the ring block 16 includes a pair of inclined surfaces 18 each of which is formed upward in the same direction along the circumferential direction while maintaining a 180 ° position with respect to the center of the block. do.

In addition, a locking jaw 19 is provided at an uphill end of the inclined surface 18.

Accordingly, since the pin 17 in the shaft 11 is guided while contacting the inclined surface 18 during rotation, the shaft 11 may be moved in the horizontal direction to the left of the drawing (FIG. 3).

That is, the pin 17 is normally located in the pin seating groove 26 of the ring block 16, and the pin 17, which rotates together when the shaft rotates, naturally proceeds on the inclined surface 18, so that the shaft 11 ) May be moved a certain distance in the horizontal direction opposite the ring block 16 is installed.

In addition, the pin 17 reaches the uphill end of the inclined surface 18 to be caught by the locking jaw 19. From this time, the shaft 11 and the hook 11 are interposed between the pin 17 and the locking jaw 19. The ring block 16 can be rotated together.

In the case of the inclined surface 18, both pairs are provided, and by arranging the pair of inclined surfaces 18 in a mutually symmetrical structure, it is possible to rotate the shaft 11 in the forward or reverse direction, thereby driving bevel gears. Since the rotation direction of (15) can be arbitrarily selected and determined, it is possible to obtain the advantage that the automatic door can be opened as well as closed by manual operation.

Meanwhile, when the automatic door is normally used in the case 10, that is, when the auxiliary door is operated inadvertently or by mistake of the operator while the automatic door is opened or closed by using a motor, various dangerous situations such as damage to internal parts may occur. As such, the present invention provides a means to prepare for such a situation.

To this end, the limit switch 20 is installed at a position close to the shaft 11 in the case 10, and the limit switch 20 at this time is in contact with the shaft side to perform horizontal movement of the shaft 11 horizontally. It will play a role.

Accordingly, when the shaft 11 is horizontally moved and the step portion is in contact with the limit switch 20, the detection signal of the limit switch 20 is provided to the control unit (not shown), and at the same time, by the output control of the control unit. By stopping the operation of the motor, various problems caused by the misoperation of the auxiliary switchgear can be solved.

Figure 5 is a schematic diagram showing the installation state of the industrial automatic door auxiliary opening and closing apparatus according to an embodiment of the present invention.

As shown in FIG. 5, a frame 100 installed at an upper entrance of an industrial facility, a seat 120 for blocking or opening an entrance, a driver 130 including a motor 110 to provide power, and the driver An auxiliary opening and closing device 140 connected to the side 130 is provided, and a shaft and a driven bevel gear (not shown) extending from the driving unit 130 side are positioned inside the auxiliary opening and closing device 140.

Here, the manner of supporting the auxiliary switchgear may be adopted without particular limitation as long as it is a method commonly known in the art.

Therefore, when the operator pulls down the wire 12 provided in the auxiliary switchgear 140 in case of a power failure or a motor failure, power is transmitted to the driving unit 130 by shaft movement and rotation and transmission of the bevel gear combination. As a result, the automatic door is opened while the seat 120 is raised by the rotation of the frame 100.

Figure 6 is a schematic diagram showing the operating state of the industrial automatic door auxiliary opening and closing apparatus according to an embodiment of the present invention.

As shown in FIG. 6, when the operator pulls any one of two rows of wires 12 descending below the case 10, the pulley 13 and the shaft 11 rotate, and At the same time, the pin 17 on the shaft 11 proceeds up the inclined surface 18 of the ring block 16.

Accordingly, the entire shaft 11 including the pulley 13 and the driving bevel gear 15 is horizontally moved in the left direction of the drawing (FIG. 3) while being rotated, and the pin 17 at this time is an inclined surface ( At the end of the uphill end of 17), the locking jaw 19 is engaged, and at the same time, the driving bevel gear 15 is engaged with the driven bevel gear 14 in the forward direction of the movement.

Subsequently, when the worker pulls the wire 12, the driven bevel gear 14 engaged with the drive bevel gear 15 by rotation of the shaft 11 including the pulley 13 and the drive bevel gear 15. In addition, the power of the driven bevel gear 14 at this time is transmitted to the drive unit 130 at this time, the seat 120 is raised by the rotation of the frame 100 to be able to open the doorway.

Of course, the ring block 16 is also rotated together with the shaft 11 by the locking between the pin 17 and the locking jaw (19).

After opening and exiting the door, when the worker releases the wire 12, the entire shaft 11 including the pulley 13 and the driving bevel gear 15 moves to the right side of the figure by the force of the spring 21 to return. The driving bevel gear 15 is also separated from the driven bevel gear 14.

In addition, the entire shaft 11 including the driving bevel gear 15 moves horizontally when the auxiliary opening and closing device is operated by pulling the wire 12 by the carelessness or error of the operator while the automatic door is opened or closed using a motor. In the case of contact with the limit switch 20, the detection signal of the limit switch 20 is provided to the control unit (not shown), and at the same time, the operation of the motor is stopped by the output control of the control unit.

In this way, the door can be opened by manually operating the auxiliary switchgear in an emergency situation such as a power failure or a motor failure, so that the logistic work can be performed without disruption and the loss due to the logistical work can be minimized.

In the above, certain preferred embodiments according to the present invention have been illustrated and described. However, the present invention is not limited to the above-described embodiment, and those skilled in the art to which the present invention pertains may vary without departing from the spirit of the technical idea of the present invention described in the claims below. It will be possible to carry out the change.

Figure 1a, 1b is a perspective view showing the appearance of the automatic industrial auxiliary door opening and closing device according to an embodiment of the present invention

Figure 2a, 2b is a perspective view showing the interior of the automatic industrial auxiliary door opening and closing device according to an embodiment of the present invention

Figure 3 is a cross-sectional view showing the interior of the automatic industrial auxiliary door opening and closing device according to an embodiment of the present invention.

Figure 4 is a perspective view showing a ring block for moving the shaft left and right in the industrial automatic door auxiliary opening and closing device according to an embodiment of the present invention

Figure 5 is a schematic diagram showing the installation state of the industrial automatic door auxiliary opening and closing apparatus according to an embodiment of the present invention

Figure 6 is a schematic diagram showing the operating state of the automatic industrial auxiliary door opening and closing device according to an embodiment of the present invention

7 is a schematic view showing a typical industrial automatic door

<Description of the symbols for the main parts of the drawings>

10 case 11 shaft

12: wire 13: pulley

14: driven bevel gear 15: driven bevel gear

16: ring block 17: pin

18: inclined surface 19: locking jaw

20: limit switch 21: spring

22: bearing 23: bevel gear entrance

24: wire entry port 25: shaft support

26: pin seating groove

Claims (4)

A case 10 for accommodating the following parts; A shaft 11 which is installed inside the case 10 and is supported at both ends to allow horizontal movement and rotation horizontally; A pulley (13) rotatable with the shaft (11), which is installed on one side of the shaft (11) as a part for hanging the wire (12) which can be operated manually; A driving bevel gear 15 extending from the side of the automatic door driving unit and engaged with the driven bevel gear 14 entering the case and installed on the other side of the shaft 11 and rotatable with the shaft 11; A ring block (16) rotatably disposed on the other side of the shaft (11), the ring block (16) enabling engagement between the bevel gears by inducing a horizontal movement of the shaft (11) in contact with the shaft side; Industrial automatic door auxiliary opening and closing device comprising a. The method of claim 1, wherein the ring block 16 maintains a 180 ° position with respect to the center of the block to guide the pin 17 provided in the shaft 11 to guide the horizontal movement of the shaft 11 And industrial automatic door auxiliary opening and closing device characterized in that formed in the form comprising a pair of inclined surface 18 and the locking jaw (19) of the end formed upward in the same direction along the circumferential direction. The method of claim 2, wherein the pair of inclined surface 18 provided in the ring block 16 is a symmetrical structure is further provided with a pair of horizontal movement of the shaft 11 regardless of the forward or reverse rotation of the shaft 11 Industrial automatic door auxiliary opening and closing device characterized in that enabled. The motor of claim 1, further comprising a limit switch 20 installed at one side of the shaft 11 to sense horizontal and horizontal movement of the shaft 11 through contact. Industrial automatic door auxiliary opening and closing device characterized in that the stop.

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