KR20220082744A - Energy self-reliant smart flag hoisting device - Google Patents

Abstract

The present invention relates to an energy-independent smart flag hoisting device, which automatically hoists and stores flags (national flags, local government flags, various event flags, etc.) on the basis of weather conditions (rainfall, illuminance, etc.) The hoisting and storage process of the hoist can be used without any repulsion by using the existing hoisting and the following operations, and by using the control method through communication, it is possible to control and operate multiple hoisting devices for each area, and control multiple flags at the same time The purpose of this is to speed up hoisting and retrieval.
Energy-independent smart flag hoisting device according to the present invention, the hoisting rod 10 supported on the ground or assembled to an existing hoisting pole at the bottom; a case 20 in which the flag is retractably accommodated therein and is fixed to the hoisting rod; a flag 30 that is retractably accommodated inside the case and is drawn out of the case and hoisted; elevating means 40 for hoisting the flag; and a control unit 50 for controlling the elevating means, wherein the case is disposed at a lower portion with a height at which the flag is hoisted from the upper end of the hoisting rod, and opens and closes an entrance and exit through which the flag is drawn out and accommodated at the upper end and the entrance and exit and an opening/closing member that raises the flag through the lifting means to the upper part of the case to be hoisted to the outside of the case, and lowered to the inside of the case to be stored inside the case.

Description

Energy self-reliant smart flag hoisting device

The present invention relates to a flag hoisting device, and more particularly, using new and renewable energy (solar power generation, etc.) and based on weather conditions (rainfall, illuminance, etc.), flags (national flag, local government flag, various events) It relates to an energy-independent smart flag hoisting device that automatically hoists and stores in a case.

This section provides background information related to the content of the present application and is not necessarily prior art.

In general, when national holidays or various events are held, flags (referred to as flags and related flags and flags connected to a flagpole) are hoisted in public offices and streets, as well as in general households.

For flag hoisting, as an example, a flagpole holder in which a flagpole with a flag hanging from a pole of a streetlight is fixedly installed on a street or roadside.

In order to hoist the flag on the street or roadside, each flag must be hung on a flagpole, and the flagpole must be fixed to the flagpole holder.

As described above, there is a problem that a lot of manpower must be put in to put the flag on the street or the side of the road and collect it again. is currently doing. In addition, in the case of government offices, although the national flag is hoisted all year round, it is not possible to raise the flag quickly in weather conditions where snow and rain are expected.

In addition, local governments (public offices) mobilize vehicles to raise and lower the national flag, but improvement is required as they are often exposed to traffic disturbance and risk of accidents.

And, in the case of households, there is also a problem in that many households do not hoist the national flag because there is an inconvenience of storing the national flag in a warehouse and taking it out of the warehouse in time for a national holiday and installing it.

Laid-open Patent No. 10-2001-0087786 constructs an incision in the support tube, installs a shaft between the flag rod and the flag rod control box, inserts PVC bearings on both ends, and rolls and unwinds the flag driving motor by operation of the control, and the control is wireless street light It is a national flag pole that can be operated remotely by operating a remote wireless main device on the receiver.

Registered Patent No. 10-1388631 discloses a post erected long in the height direction; a fixing rod formed to be long in the horizontal direction, one end in the horizontal direction is fixed to the upper end of the support, and the other end is opened to form an installation space therein; a motor installed inside the support and capable of forward and reverse rotation; a switch that is installed on the outside of the support and controls the operation of the motor; a rotating rod disposed inside the holder, one end connected to the motor, and the other end rotatably shaft-coupled to the holder; It is mounted on the rotating rod and spreads downward, and when the rotating rod is rotated, a suspension member that is wound around the outer circumferential surface of the rotating rod and folded. It is a flag hoisting pole having an opening that is opened to the pole, and a cover for opening and closing the lower end of the opening is formed at the lower end of the suspension member.

The above-mentioned patent documents do not create an atmosphere in which the flag is raised as it rises in a way that the national flag is wound and stored, and winding, etc. occurs in the process of winding up, unwinding, and lowering, causing malfunctions.

In addition, there is a problem in that a large number of flags cannot be simultaneously controlled (group control), and thus a large number of flags are consumed along a roadside where a large number of flags are used.

Patent Publication No. 10-2001-0087786 Registered Patent No. 10-1388631

The present invention is to solve the problems described above, and based on the weather conditions (rainfall, illuminance, etc.), flags (national flags, local government flags, various event flags, etc.) are automatically raised and stored in a case, The purpose of the flag hoisting and storage process is to provide an energy-independent smart flag hoisting device that can be used without repulsion by using the existing hoisting and the following operations.

And, another object of the present invention is to quickly hoist and do by controlling a plurality of flags at the same time.

Energy-independent smart flag hoisting device according to the present invention, a hoisting rod supported on the ground at the bottom or assembled to an existing hoisting pole; a case in which the flag is retractably accommodated therein and is fixed to the hoisting rod; a flag that is retractably accommodated inside the case and is drawn out of the case and hoisted; elevating means for hoisting the flag; and a control unit for controlling the elevating means, wherein the case is disposed below with a height at which the flag is hoisted from the upper end of the hoisting rod, and an entrance and exit for withdrawing and receiving the flag at the upper end, and an opening/closing member for opening and closing the entrance and exit Including, wherein the control unit raises the flag to the upper part of the case through the elevating means to be hoisted to the outside of the case, and lowered to the inside of the case to be stored inside the case.

According to the energy-independent smart flag hoisting device according to the present invention, the flag (national flag, local government flag, various event flags, etc.) is automatically hoisted and stored in a case based on weather conditions (rainfall, illuminance, etc.) It has the effect of protecting the equipment from pollution caused by snow and rain, and it is possible to operate without a configuration for power supply using new and renewable energy. do.

In addition, through the structure and location of the hoisting rod and case, the flag is raised from the case to the top of the hoisting rod and raised and lowered to the case on the contrary. Because it is the same, it gives a sense of homogeneity to the existing hoisting device, so it is easy to apply without feeling of rejection.

In addition, since a plurality of flags (for example, a plurality of flags installed in an area having the same weather condition) can be simultaneously controlled to quickly manage a plurality of flags at a low cost, there is an effect of reducing manufacturing and maintenance costs .

1 is a perspective view of an energy-independent smart flag hoisting device according to Embodiment 1 of the present invention;
2 and 3 are each a front view of an energy-independent smart flag hoisting device according to Embodiment 1 of the present invention,
2 is a state in which the flag is hoisted,
3 is a state in which the flag is accommodated in the case.
Figure 4 is a perspective view showing a lifting means applied to the energy independent smart flag hoisting device according to the first embodiment of the present invention.
Figure 5 is an exemplary view that the energy independent smart flag hoisting device according to the first embodiment of the present invention is installed in a government office.
Figure 6 is an exemplary view in which the energy-independent smart flag hoisting device according to the first embodiment of the present invention is installed in a street light.
7 and 8 are diagrams of an energy-independent smart flag hoisting device according to Embodiment 2 of the present invention, respectively.
9 is a view showing an energy-independent smart flag hoisting device according to Embodiment 3 of the present invention.
Figure 10 is an exemplary view in which the energy independent smart flag hoisting device according to the third embodiment of the present invention is installed in a street light.
11 is a view showing an example of the energy independent smart flag hoisting device according to the present invention is a group control method.

In the following description of the present invention, if it is determined that a detailed description of a related well-known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. And, the terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to intentions or customs of users and operators. Therefore, the definition should be made based on the content throughout this specification.

<Example 1>

1 to 3, the energy independent smart flag hoisting device 100 according to this embodiment is a hoisting rod 10, a case 20 fixed to the hoisting rod 10, the case 20 of The flag 30 stored inside and pulled out and hoisted, the elevating means 40 for raising and lowering the flag 30 to the storage and hoisting position, the control unit 50 for controlling the elevating means 40, illuminance for control and a sensor 60 for detecting rain and a solar cell 70 for supplying power.

The hoisting rod 10 is made of a length for the installation of the case 20 and the hoisting of the flag 30, and the bottom part is fixed to the ground, the wall (veranda) is fixed at home, etc. It is possible. That is, the hoisting device 100 of the present invention may be used in government offices, schools, etc. (refer to FIG. 5), may be fixed to the street lamp 200 (refer to FIG. 6), and may be used at home.

As shown in Figure 4, the hoisting rod 10 can be variously configured according to the configuration of the lifting means 40, the drawing shows a preferred example, so that the lifting means 40 can be accommodated therein As the hollow part is provided, it is divided into two spaces through the bulkhead 11 , and an open rail 12 for connecting the elevating means 40 and the flag 30 is included in the periphery. The rail 12 may be formed symmetrically on both sides with respect to the partition wall 11 .

The case 20 has a structure having a space sized for the flag 30 to be stored therein, and the hoisting rod 10 is fixed ( bolting, etc.).

The case 20 should have an upper part open for storage and hoisting of the flag 30 , and at this time, the lower part may be both open and closed.

The case 20 includes an opening/closing plate 21 as an opening/closing member in order to prevent foreign substances (snow, rain, dust, etc.) from entering through the upper opening and contaminating the flag 30 .

The opening/closing plate 21 is opened and closed through an actuator driven under the control of the controller 50 . The actuator is capable of various methods such as a motor method for rotating the opening/closing plate 21, a rack and pinion method for linear sliding of the opening/closing plate 21, etc. Close operation immediately after storage.

In addition to the electric type, the opening and closing plate 21 has a structure that opens and closes the opening while moving in both directions by its own elastic force. .

The position of the case 20 is a position suitable for the hoisting height of the flag 30 , and at this time, a position in consideration of early hoisting of the flag 30 .

The present invention may include a lamp 22 to illuminate the flag 30 when hoisting at night, and the lamp 22 uses the case 20 at the bottom of the flag 30 when the flag 30 is hoisted as an installation space. It can be, for example, the LED strip installed along the circumferential direction on the periphery of the case (20).

The lamp 22 is connected to an illuminance sensor among the sensors 60 so that lighting and turning off are controlled according to the illuminance.

The flag 30 is connected to the elevating means 40 , ascending through the elevating means 40 , hoisted, and lowered to be accommodated in the case 20 .

The elevating means 40 is wired in the form of a track so as not to be twisted with each other through the bulkhead 11 inside the hoisting rod 10, and the elevating belt 41 to which the flag 30 is fixed, and the elevating belt 41 forcibly in both directions. It is composed of a lifting motor 42 that rotates to raise the flag 30 through ascending or lowering through lowering.

The lifting belt 41 is wired in the form of a track through the idle drum 43 and the driving drum 44 on both upper and lower sides of the hoisting rod 10, and the flag 30 is mounted on the rail 12 from the outside of the hoisting rod 10. ) is connected to the lifting belt 41 through the. The idle drum 43 and the driving drum 44 are fixed to the hoisting rod 10 or the case 20 or installed to be idling to guide the bidirectional movement of the elevating belt 41 .

The elevating belt 41 is installed in the form of a track to collectively refer to all forms of elevating the flag 30, for example, a general rope, a rope with beads at regular intervals, and gear-coupled to the drums 43 and 44 There are belts with irregularities and the like.

The lifting motor 42 is controlled to rotate in both directions through the control unit 50 and generates a bidirectional rotational force with the power of the solar cell 70 , and transmits the rotational force to the driving drum 44 to move the lifting belt 41 in both directions. make it

According to the above structure, the flag 30 rises upward to create the same hoisting atmosphere as hoisting in the past.

The sensor 60 detects an external weather environment and includes a rainfall sensor for detecting snow and rain, and an illuminance sensor for detecting illuminance. It is preferable to be installed on the periphery of the case 20 for the detection of external weather conditions.

The sensor 60 is not limited to detecting the weather conditions directly at the installation location of the hoisting device, but it is also possible to receive weather information from the Meteorological Administration.

The controller 50 controls the lifting means 40 based on the detection value of the sensor 60, that is, the rain sensor detects snow or rain, and the controller 50 raises and lowers when it is determined that it is snowing or raining. Controlling the flag 30 through the means 40 (lowering the flag and storing it in the case 20), and controlling the flag 30 below a certain illuminance (sunset) when an illuminance sensor is included. , On the other hand, the control unit 50 controls the lifting means 40 to hoist the flag 30 in a weather condition of not detecting snow or rain or exceeding a certain illuminance (sunrise).

The control of stopping the lifting and lowering of the lifting belt 41 by the control unit 50 is a method in which the moving distance of the lifting belt 41 is input in advance so that the lifting belt 41 ascends and descends only a certain distance, and a limit sensor is installed. method, etc. is possible.

The control unit 50 is built into the case 20 and is connected to the external sensor 60 wirelessly or wiredly, while being connected to the elevating motor 42 inside the case 20 wirelessly or wiredly.

The control unit 50 is a program, and therefore, in the present invention, a method of a smart phone app is also possible, and a method of a remote controller is also possible.

The sensor 60 and the control unit 50 may be applied to the hoisting rod 10 in a 1:1 ratio, or two or more hoisting rods 10 using one sensor 60 and the control unit 50 It is also possible to apply for simultaneous control (group control) (refer to FIG. 11). In the latter case, the sensor 60 detects a weather condition by targeting a plurality of hoisting rods 10 installed in an area having the same weather condition, and the control unit 50 communicates with the sensor 60 and the elevating motor 42 (Preferably, Bluetooth communication) to control the lifting motor 42.

The date of hoisting the flag is stored in the memory so that early control of the flag 30 can be distinguished, and the control unit 50 compares the date stored in the memory with the current date, and when it is the date of early hoisting, the elevating means 40 Control by early hoisting.

The solar cell 70 produces electric energy by photovoltaic power generation and supplies it to the lifting motor 42 and the lamp 22, and it is also possible to store electricity through a storage battery.

The operation of the energy-independent smart flag hoisting device according to this embodiment is as follows.

1. Flag hoisting.

It is based on the flag 30 being hoisted as shown in FIG. The flag 30 is drawn out from the case 20 and is hoisted on the top of the hoisting rod 10 .

The opening/closing plate 21 is in a state of opening the opening of the case 20 . Of course, a state in which the opening is closed is also possible.

2. Flag.

The sensor 60 detects a weather condition in real time, and when it detects that it is snowing or raining, the controller 50 determines the summer of the flag 30 .

According to this determination, the elevating motor 42 of the elevating means 40 is controlled below to generate a clockwise rotational force based on FIG. 2 , and the elevating belt 41 is rotated clockwise.

The flag 30 descends toward the case 20 according to the rotational direction of the elevating belt 41 . At this time, if the opening/closing plate 21 is in the closed state, it is switched to the open state.

When the flag 30 descends and is inserted into the case 20, the lifting motor 42 is controlled to stop, the lifting belt 41 is stopped, and the opening/closing plate 21 closes the opening (refer to FIG. 3).

Therefore, since the flag 30 is stored in a state blocked from the outside in the case 20, it is not contaminated by snow or rain.

On the other hand, if the sensor 60 does not detect snow and rain for a certain period of time while sensing the weather condition in real time, the controller 50 controls the flag 30 to be raised as follows.

The opening of the case 20 is opened by controlling the opening and closing plate 21 to be opened.

In the state of FIG. 3 , the control unit 50 controls the lifting motor 42 to generate a counterclockwise rotational force, and the lifting belt 41 rotates counterclockwise by the lifting motor 42 , and the flag 30 ) is raised by the rotation of the elevating belt 41 , and is eventually drawn out of the case 20 and hoisted on the hoisting rod 10 .

The flag 30 is hoisted on the top of the hoisting stick 10, and the control unit compares the current date and the early hoisting date stored in the memory to hoist the flag 30 in the form of an early hoisting if the current date is an early hoisting date. The lifting motor 42 is controlled.

<Example 2>

7 and 8, the energy self-reliant smart flag hoisting device 100 according to the present embodiment hoists the flag 30 obliquely on the side of the road and vertically in the same way as the vertical hoisting pole (or street lamp pole). It is different from the first embodiment in that it is stored, and is configured to include a tilting-type case (20-1) and a rotating-type hoisting rod (10-1). Other configurations of the Taegeukgi are applied in the same manner as in Example 1 described above.

The tilting-type case 20-1 is mounted so as to be tiltable through a tilting means while the bottom part thereof is connected to the hoisting table 1 by a hinge 20-2. The tilting means may be a motor, a wire type, an air cylinder, or the like.

The tilting-type case 20-1 has a structure in which a space is provided so that the rotating-type hoisting rod 10-1 does not protrude to the outside and is accommodated therein, however, it includes an opening so that the flag 30 is hoisted to the outside. do.

In addition, a support 20-3 for supporting the tilting-type case 20-1 may be included.

The support 20-3 has both sides in the longitudinal direction connected to the hoisting pole 1 and the tilting-type case 20-1, respectively, to support the tilting-type case 20-1 based on the hoisting pole 1 as a support base. This prevents the tilting-type case 20-1 from sagging in the direction of gravity, and it is also possible to prevent the flag 30 from being wound around the tilting-type case 20-1 using such a connection structure. do.

The support 20-3 is capable of various structures such as a link type and includes all configurations for achieving the above-mentioned purpose.

When the tilting means is a wire type, the wire is wired to be fixed to the tilting-type case 20-1 after passing through the hoisting pole 1, and a winding drum is installed on the hoisting pole 1, and the wire by rotation of the winding drum Tilts the tilting-type case 20-1 while winding or unwinding, thus preventing the flag 30 from being wound because the wire is wired between the hoisting pole 1 and the tilting-type case 20-1 may give

The rotating hoisting rod 10-1 is rotatably mounted in the tilting type case 20-1, and the rotation angle is the angle of winding and unwinding the flag 30.

The rotating means for rotating the rotating hoisting rod (10-1) is a motor.

The motor is controlled (programmed) to rotate the rotary hoisting rod 10-1 by a predetermined angle in both directions.

As in the first embodiment, the tilting means and the rotating means are controlled to be driven based on the sensing values of the illuminance sensor and the rainfall sensor.

7 is an operation sequence when the flag is hoisted, the normally tilting-type case 20-1 is vertically erected next to the hoisting pole 1, and the flag 30 is a rotating hoisting rod (10-) 1) wrapped around the tilting type case (20-1) is not exposed to the outside.

In this state, the tilting-type case 20-1 is rotated at an angle of 90 degrees through the tilting means, and the rotating hoisting rod 10-1 rotates to release the flag 30 and the tilting-type case ( 20-1) is hoisted outside.

Then, the tilting-type case 20-1 is tilted upward at an angle of 45 degrees to hoist the flag 30 at an angle of 45 degrees.

Of course, it is also possible to release and hoist the flag 30 in a state in which the tilting-type case 20-1 is tilted at an angle of 45 degrees.

8 is an operation sequence when the flag 30 is raised, tilting the tilting-type case 20-1 toward the bottom at a 45-degree angle to set it at a 90-degree angle, and in this state, the rotating hoisting rod ( 10-1) is rotated in the opposite direction to wind the flag 30.

Tilt the tilting-type case 20-1 at an angle of 90 degrees toward the hoisting pole 1 and attach it to the side of the hoisting pole 1 and store it.

The hoisting stick 10-1 can be both a newly manufactured hoisting stick and an existing hoisting stick.

Figure 9 shows the use of inserting the hoisting rod (10-1) that is sold in the past. That is, the hoisting rod (10-1) is a conventional hoisting rod and is used by being fixed by fitting to the fixing part (10-3) installed in the tilting-type case (20-1). The hoisting rod (10-1) is rotatably connected to the fixing part (10-3) and can be rotated about the fixing part (10-3) as an axis through a rotation means, or the fixing part (10-3) is It is also possible to rotate together with the fixing part 10-3 by rotating through the rotating means.

<Example 3>

As shown in FIG. 9, the energy self-reliant smart flag hoisting device 100 according to this embodiment is a fixed case 20-1, a hoisting rod which is installed to protrude and store to the outside in the case 20-1. It is composed of (10-1).

The case 20-1 has one side fixed to maintain an angle of about 45 degrees to the hoisting pole or street lamp, and the hoisting rod 10-1 is accommodated therein and has an open portion to protrude (hoist) to the outside.

The hoisting rod 10-1 is accommodated in the case 20-1 and rotates downward at an angle of 45 degrees to hoist the flag 30 by maintaining the level with the ground, and tilting in the case 20-1 It consists of a tilting part 10-3 connected to the possible, and a hoisting rod 10-1 swingably connected to the tilting part 10-3.

The tilting unit 10-3 rotates in both directions within a 45 degree angular trajectory through a tilting means such as a motor to accommodate the hoisting rod 10-1 in the case 20-1 (below) or convert it to a hoisting position. .

The hoisting rod 10-1 can be a conventional hoisting rod, and while being swingably connected to the tilting unit 10-3, it rotates in both directions through a motor or the like to wind or unwind the flag 30 and hoist it.

The tilting unit 10-3 and the hoisting rod 10-1 are driven by the control of the control unit based on the sensing value of a sensor such as a rain sensor, and may also be driven by a remote controller.

10 is a view showing an example applied to the street lamp 200 in this embodiment.

10,10-1: hoisting rod, 11: bulkhead
12: rail,
20, 20-1: case, 21: opening and closing plate
30: flag,
40: elevating means, 41: elevating belt
42: elevating motor;
50: control unit, 60: sensor
70: solar cell,

Claims (11)

a hoisting rod supported on the ground at the bottom or assembled to an existing hoisting pole or street lamp post;
a case in which the flag is retractably accommodated therein and is fixed to the hoisting rod;
a flag that is retractably accommodated inside the case and is drawn out of the case and hoisted;
elevating means for hoisting the flag;
a control unit for controlling the elevating means;
Includes a power supply unit that produces and supplies power through self-generation,
The case comprises an entrance and exit member disposed at a height at which the flag is hoisted from the upper end of the hoisting rod and disposed at a lower portion at an upper end where the flag is drawn out and accommodated, and an opening and closing member for opening and closing the entrance and exit,
The control unit raises the flag to the upper part of the case through the elevating means so as to be hoisted to the outside of the case, and lowered to the inside of the case to be stored inside the case. . a case assembled to an existing hoisting pole or street lamp post;
a hoisting rod accommodated in the case;
a flag fixed to the hoisting pole;
a control unit controlling the hoisting of the flag;
Includes a power supply unit that produces and supplies power through self-generation,
The case is a case in which the hoisting rod is accommodated therein and fixed at an angle to the hoisting pole or street lamp,
The hoisting rod is tilted to be accommodated in a horizontal position in the case and in the case, while winding the flag through a swing and hoisting the energy independent smart flag hoisting device, characterized in that it is hoisted by hoisting or hoisting it in a hoisting state. a case assembled to an existing hoisting pole or street lamp post;
a hoisting rod accommodated in the case;
a flag fixed to the hoisting pole;
a control unit controlling the hoisting of the flag;
Includes a power supply unit that produces and supplies power through self-generation,
The case is a tilting-type case in which the hoisting rod is accommodated and the bottom part is tilted through a hinge to the hoisting pole or street lamp,
The hoisting rod is rotatably mounted in the case,
The flag is an energy self-reliant smart flag hoisting device, characterized in that it is released from the hoisting rod through the rotation of the hoisting rod and hoisted or wound around the hoisting rod. The method according to any one of claims 1 to 3, comprising at least one sensor module of an illuminance sensor and a rainfall sensor, wherein the control unit controls the raising or lowering of the flagstick based on the detected value of the sensor module. Energy-independent smart flag hoisting device. The energy-independent smart flag hoisting device according to claim 1, wherein the control unit is a smartphone app or a remote controller. The method according to claim 4, wherein each of the sensor and the control unit is one, and the hoisting rod and the flag are plural, and the one control unit performs the same operation of raising and lowering the flag based on the same weather condition based on the sensing value of one sensor. Energy independent smart flag hoisting device, characterized in that the driving control in a routine. The energy self-reliant smart flag hoisting device according to any one of claims 1 to 3, wherein the power supply unit is a solar cell for supplying power to the elevating means by producing electric energy through solar power generation. The method according to claim 1, wherein the hoisting rod includes a rail so that the flag ascends and descends on one side of the periphery while the interior is divided into two spaces through a partition wall, and the lifting means is connected to each other through the partition wall inside the hoisting rod. Energy independent type, characterized in that it comprises a lifting belt that is wired in the form of a track so as not to be twisted and to which the flag is fixed, and a lifting motor that forcibly rotates the lifting belt in both directions to raise the flag by raising or lowering it through lowering Smart flag hoisting device. The energy self-reliant smart flag hoisting device according to claim 1, wherein the opening and closing member opens and closes the entrance and exit in conjunction with withdrawal and storage of the flag. The energy-independent smart flag hoisting device according to claim 1, wherein it is installed on the case or the hoisting rod and includes a light that is turned on by receiving power at night. The energy self-reliant smart flag hoisting device according to claim 3, wherein the hoisting rod is an existing hoisting rod and is connected to a fixing part formed in the case.

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