KR100716924B1 - Positive pressure apparatus for blocking influx of nocuous materials into driving room of moving system - Google Patents

Abstract

The present invention supplies air to the cab 102 and the electric chamber 101 of the crane, which is a aerial transport facility, to maintain a high air pressure than the outside, so that the gas and dust in the atmosphere inside the factory flows into the cab and the electric chamber. It relates to a positive pressure device for preventing the flow of air, which consists of an air pipe part serving as an inflow path of water and air, and an air supply part which is attached to the crane and moves along the air pipe part to supply air in the air pipe part to the crane cab and the electric room. It features.

According to the present invention, the dust and gas in the factory in the factory are blocked from penetrating into the interior to maintain the temperature of the electrical room below the appropriate and to maintain the air in the cab to improve the working environment.

Positive pressure device, Crane, Air line, Air supply part, Wheel

Description

Positive pressure device for blocking harmful substances in mobile cab {POSITIVE PRESSURE APPARATUS FOR BLOCKING INFLUX OF NOCUOUS MATERIALS INTO DRIVING ROOM OF MOVING SYSTEM}

1 is a cross-sectional view showing a conventional crane cab positive pressure device.

Figure 2 is a perspective view showing the air line of the present invention positive pressure device

a) is an exploded perspective view showing an air pipe part;

b) is an assembly diagram showing the assembling state of the air pipe.

Figure 3 is a perspective view showing the air supply of the present inventors positive pressure device

a) is an exploded perspective view showing an air supply unit;

b) is an assembly diagram showing the assembly state of the air supply.

Figure 4 is a perspective view of the present positive pressure device

a) is a perspective view showing the engagement state of the positive pressure device.

b) is a cross-sectional view showing the coupling state of the positive pressure device.

5 is an operating state diagram showing a positive pressure device flow state while running crane

a) shows the operation state of the positive pressure device when the running rail is raised or lowered.

b) is the operation state of the positive pressure device when the left and right movement of the crane wheel.

Figure 6 is a crane attached state of the positive pressure device.

● Explanation of symbols for the main parts of the drawings ●

1: conventional crane cab 2: conventional crane electric room

3: conventional positive pressure device 11: air line

11-1: Bolt Hole 12: Guide Rail

13: Gasket 14: Air line cover

14-1: Bolt Hole 15: Cover Fixing Bolt

21: Air piping 22: Ball valve

23: Quick Coupler 24: Roller Bracket

25: Roll 26: Roll Fixing Pin

27: fixing bolt 28: support plate

28-1: protrusion 28-2: hole

29: Arm 30: Female Push Pin

31: fixing plate 31-1: bolt hole

31-2: protrusion 33: body fixing bolt

41: air supply pipe 42: air distributor

43: blower in electric room 44: blower in cab

100: crane 101: electrical room

102: Cab 111: Wheel Truck

112: wheel 112-1: wheel flange

113: driving rail

The present invention relates to a facility for introducing clean air into the cab 102 and the electric chamber 101 of a crane, which is a aerial transport facility, to block dust and gas from outside, and in particular, to close the traveling rail of a crane moving section, By installing a pipe 11 to supply clean air to the cab and the electric room during the movement of the crane to maintain a high air pressure than the outside relates to a positive pressure device that prevents the gas and dust in the atmosphere inside the factory into the cab and the electric room.

In general, a plant such as an ironworks plant uses a crane to move heavy loads, and the driver stays in the cab for a long time to operate the crane.

However, due to the nature of the operation, due to the large amount of dust or gas generated in the plant air is quite polluted, the operator and the electric device has a difficult task to perform in a harsh environment. Particularly, dust and gaseous contaminants are introduced through the gap between the cab and the electric room, causing problems such as damage to the electric equipment and deterioration of health. Therefore, the internal pressure of the air filtration device or the cab equipped with the filter is solved. A positive pressure device was used to maintain the positive pressure to prevent the inflow of external air.

1 shows a conventional positive pressure device, the conventional positive pressure device filters the dust in the factory through the general filter (primary) and activated carbon (chemical to remove CO gas) while passing through [CO ] It is a method of introducing air into the cab by removing the gas secondaryly.

However, the crane of the steelmaking process, in which the upper part of the electric furnace is the main movement path, the dust and gas generated by the electric furnace operation characteristics are not collected by the dust collecting equipment, but are distributed in the upper part of the electric furnace, so that the filter of the positive pressure device installed in the crane There was a problem that should be replaced and cleaned frequently.

In addition, even if the positive pressure device is operated, a certain amount of gas is introduced into the cab because it does not completely block dust and gas. Therefore, although the driver is wearing a dust mask in the cab, the gas is not filtered so that no harmful gas can be removed. There was a problem to work inhaled.

Accordingly, the present invention has been made in order to solve the conventional problems as described above, its purpose is to introduce clean air into the air line from the outside during the movement of the crane and to supply the filter directly to the crane's cab and electrical chamber frequently filter To solve the problem of exchanging and to keep the air pressure higher than the outside, it is possible to breathe clean air by blocking the inflow of harmful substances such as gas and dust in the atmosphere of the factory so that it can work in the improved environment. In providing a positive pressure device.

The present invention as a technical configuration for achieving the above object is to provide air to the crane cab and the electric room while the air pipe portion that serves as an inflow path of water and air, attached to a crane moving along the air pipe portion It is characterized by consisting of an air supply.

Take a closer look at each of the components.

The air conduit part comprises an air conduit having a predetermined length with an upper portion partially formed, a guide rail serving as a running rail along the air conduit, and an air conduit cover having a cover function of the air conduit. Can be. The air pipe line part may further include a gasket positioned between the air pipe line and the air pipe cover to prevent air from leaking in the air pipe line.

Meanwhile, the air supply part has a curved air pipe, a roller bracket fastened to the air pipe, a protrusion having a predetermined length on left and right sides, and a hole is drilled in the center to insert the air pipe. Support plate for supporting, protrusions of predetermined length are formed on the left and right sides, the vehicle body fixing plate attached to the crane body, predetermined holes are drilled in both ends and inserted into the left and right protrusions of the support plate and the fixing plate, respectively. It can consist of a cancer to be made.

In addition, the positive pressure device may include a blower (Blower) of the crane electrical room for supplying air in the interior of the air pipe to the crane and the cab of the crane through the air pipe, and the blower of the cab.

Hereinafter, the configuration and operation of the positive pressure device according to the present invention through a preferred embodiment with reference to the accompanying drawings.

Figure 2 is a perspective view showing the air pipe portion of the positive pressure device of the present invention a) is an exploded perspective view showing the air pipe portion, b) is an assembled view showing the assembled state of the air pipe portion, Figure 3 shows the air supply of the positive pressure device of the present invention As a perspective view, a) is the exploded perspective view which shows the air supply part, and b) is the assembly view which shows the assembly state of an air supply part.

Figure 2 a) shows a separate state of the air line of the positive pressure device of the present invention, the air line is a rectangular shape to store a liquid material such as water and a plurality of bolt holes (11-1) in the upper perforated A part of the air pipe passage 11 having a predetermined length, a guide rail 12 attached to the side of the air pipeline 11 serving as a running rail of the roll 25, and a plurality of bolt holes in the upper portion (14-1) is perforated to cover the air conduit 14 of the air conduit 11, a plurality of bolt holes are formed is located between the air conduit 11 and the air conduit cover 14 It consists of a gasket (Gasket) 13 to prevent the air (Air) in the air pipe (11) to leak.

The air line 11 may be formed in the form of a circular other polygon (triangle, pentagon, etc.) and does not necessarily have to be in the form of a rectangle.

On the other hand, as a preferred embodiment of the present invention, but the gasket 13 to prevent the leakage of air as a component, but air leakage is prevented even by the combination of the air pipe line 11 and the air pipe cover 14 only If the air gasket 13, except for the gasket 13 may be made of the air pipe cover (14).

2 b shows an assembled state of the air pipe part, wherein the air pipe path 11, the gasket 13, and the air pipe path cover 14 are coupled to each other by the cover fixing bolt 15. We will make up wealth. However, this shows the case by the bolt coupling method according to an embodiment of the present invention, it can also be made by a welding coupling method or an adhesive coupling method.

Figure 3 a) shows a separate state of the air supply of the positive pressure device of the present invention, the air supply is a pipe made of sus (SUS) material to be bent at a right angle up and down so as not to corrode the ball valve (Ball Valve) ( 22) and a quick coupler (23) is attached to the air pipe 21, the lower end of the two rolls 25 are fastened with a roll fixing pin 26 and the upper end of the clamp (Clamp) is formed to form the air A roller bracket 24 fastened to the pipe 21, and protrusions 28-1 having a predetermined length are formed on the upper and lower ends of the left and right sides, and holes 28-2 are formed in the center of the air pipe 21. ) Is inserted into the support plate 28 of the rectangular shape, the projections 31-2 of predetermined length are formed on the upper and lower left and right sides, and the bolt hole 31-1 is drilled in the four corners so as to be attached to the crane body. Car body fixing plate 31, predetermined holes are drilled in both end portions The support plate 28 and is inserted into each of the left and right protrusions (28-1, 31-2) of the fixing plate 31 is composed of arms (29) which is fastened to the arm fasteners (30).

On the other hand, the fixing plate 31 is attached to the vehicle body by the vehicle body fixing bolt 33.

3B shows an assembled state of the air supply unit, wherein the air pipe 21, the quick coupler 23, the roller bracket 24, the support plate 28, and the fixing plate 31 are shown. And the air supply unit by the arm 29.

Figure 4 is a perspective view showing a positive pressure device of the present invention a) is a perspective view showing a coupled state of the positive pressure device, b) is a cross-sectional view showing a coupled state of the positive pressure device.

As shown in FIG. 4, the positive pressure device is formed by combining the air pipe part and the air supply part. That is, the air pipe 21 bent to fit the internal structure of the air pipe passage portion is disposed between the air pipe passage 11 and the air pipe passage cover 14, the roller fastened to the air pipe 21 The roll 25 of the bracket 24 is fastened to the guide rail 12 attached to the side of the air conduit 11.

Hereinafter, the structure and operation of the present invention configured as described above will be described in more detail.

As shown in FIG. 4, the roller having the roll 25 attached to the guide rail 12 attached to the side surface of the air pipeline 11 is installed horizontally on the ground. The bracket 24 is fastened to the horizontal portion of the air pipe 21.

In addition, the vehicle body fixing plate 31 is fastened so that the horizontal end portion of the air pipe 21 is inserted into and supported in the hole 28-2 of the support plate 28 and moved up and down by the arm 29. ) Is attached to the crane body and fixed with the body fixing bolt (33).

Meanwhile, when the air pipe part and the air supply part are fixed and fastened, water is introduced into the air pipe path 11 by about 2/3, and the gasket 13 and the dust in the factory do not flow into the air pipe path 11. Together with the air pipe cover 14 is seated on the top of the air pipe line 11 and fastened with a cover fixing bolt (15).

At this time, the distal end of the air pipe line 11 is connected to the place where the clean air outside the factory to allow clean air to flow into the inside of the air pipe line (11).

As shown in FIG. 6 and FIG. 4A, the air supply unit attached to the vehicle body of the crane 100 moves along the guide rail 12 attached to the side of the air pipe line 11 in the traveling direction of the crane. In FIG. 5A, the operating state of the positive pressure device by the level of the running rail 113 and the bias of the crane wheel 112 during the movement of the crane is shown. The vertical flow of the air supply unit prevents the flow of the air pipe 21 while the arm 29 flows up and down, so that the air supply unit traveling along the guide rail 12 does not generate flow.

In addition, as shown in b) of FIG. 5, when the crane travels, the wheel flange 112-1 comes into contact with the running rail 113 to generate left and right flows by the side a. The air pipe 21 inserted into the hole 28-2 drilled at the center of the air pipe 21 is slid left and right by the side b so that the air pipe 11 runs without interference.

6 shows a state of attaching the crane of the positive pressure device, which is connected to the quick coupler 23 and the blower 43 and the cab of the electric chamber 101 with the ball valve 22 open. The air in the air line 11 is supplied to the electric chamber 101 and the cab 102 through the air pipe 21 by the rotation of the blower 44 of the 102. A constant pressure is formed in the cab 102 so that external dust and gas do not flow into the interior. In fact, even if the internal pressure is slightly higher than the external pressure, the outside air does not flow into the interior.

Here, since the air in the air pipe line 11 is blocked from external air by water, dust and gas in the factory cannot be penetrated into the air pipe line 11, and clean air is maintained in the electric room while the crane is in operation. It can be supplied to the cab.

As described above, according to the present invention, by using a positive pressure device that blocks dust and gas in the factory by using water, the driver can suck clean air because the clean air outside the factory can be supplied to the crane's electric room and the cab while the crane is running. In addition, the electrical room can block the inflow of dust, so the facility management and maintenance ability is improved, and in particular, the temperature drop effect in the summer electrical room is expected to prevent failure due to high heat.

While the invention has been shown and described with respect to specific embodiments thereof, it will be appreciated that various changes and modifications can be made in the art without departing from the spirit or scope of the invention as set forth in the claims below. It will be appreciated that those skilled in the art can easily know.

Claims (6)

Air pipe line part that serves as an inlet of water and air (W); And Positive pressure device, characterized in that consisting of; an air supply unit for supplying the air in the air duct to the cab 102 and the electric chamber 101 of the crane while moving along the air duct. According to claim 1, The air pipe portion, An air pipe passage 11 having a predetermined length with the upper portion partially opened; A guide rail 12 attached to a side of the air pipe 11 and serving as a running rail of the roll 25; And Positive pressure device comprising a; air pipe passage cover (14) having a cover function of the air pipe passage (11). The method of claim 2, wherein the air pipe portion, Positive pressure device, characterized in that it comprises a gasket (13) which is located in the middle of the air conduit (11) and the air conduit cover (14) to prevent leakage of air in the air conduit (11). The positive pressure device according to claim 2 or 3, wherein the air pipe line (11) and the air pipe cover (14) are coupled by bolting, welding or adhesive bonding. The method of claim 1, wherein the air supply unit, An air pipe 21 that is bent at an upper and lower right angle and has a ball valve 22 and a quick coupler 23 attached to a distal end thereof; A roller bracket 24 having two rolls 25 fastened to a roll fixing pin 26 at a lower end thereof and a clamp formed at an upper end thereof to be fastened to the air pipe 21; A projection plate 28 having a predetermined length at left and right upper and lower ends and a hole 28-2 formed in the center to insert and support the air pipe 21 to support it; A vehicle body fixing plate 31 having a protrusion 31-2 having a predetermined length formed on the left and right upper and lower ends thereof, and having a bolt hole 31-1 perforated in a corner thereof to be attached to the crane vehicle body; And A predetermined hole is drilled at both end portions, and the arm is inserted into the left and right protrusions 28-1 and 31-2 of the support plate 28 and the fixing plate 31, and is fastened by the female fixing pin 30. Positive pressure device comprising a; According to claim 5 , The positive pressure device, And; blower (Blower) (43) of the crane electric room (101) to be supplied to the electric room (101) and the cab (102) of the crane through the air pipe 21 to the air in the interior of the air duct portion Positive pressure device, comprising; a blower (44) of the cab (102).

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